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a/vendor/libssh2-1.4.2/COPYING b/vendor/libssh2-1.4.2/COPYING new file mode 100644 index 0000000..1bd78c9 --- /dev/null +++ b/vendor/libssh2-1.4.2/COPYING @@ -0,0 +1,42 @@ +/* Copyright (c) 2004-2007 Sara Golemon + * Copyright (c) 2005,2006 Mikhail Gusarov + * Copyright (c) 2006-2007 The Written Word, Inc. + * Copyright (c) 2007 Eli Fant + * Copyright (c) 2009 Daniel Stenberg + * Copyright (C) 2008, 2009 Simon Josefsson + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + diff --git a/vendor/libssh2-1.4.2/ChangeLog b/vendor/libssh2-1.4.2/ChangeLog new file mode 100644 index 0000000..404c887 --- /dev/null +++ b/vendor/libssh2-1.4.2/ChangeLog @@ -0,0 +1 @@ +see NEWS diff --git a/vendor/libssh2-1.4.2/HACKING b/vendor/libssh2-1.4.2/HACKING new file mode 100644 index 0000000..5da8e66 --- /dev/null +++ b/vendor/libssh2-1.4.2/HACKING @@ -0,0 +1,13 @@ + +libssh2 source code style guide: + + - 4 level indent + - 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src/userauth.o + +# target to build an object file +src/userauth.c.o: + cd /Users/dlarimer/projects/AthenaRuntime && $(MAKE) -f vendor/fc/vendor/libssh2-1.4.2/CMakeFiles/ssh2.dir/build.make vendor/fc/vendor/libssh2-1.4.2/CMakeFiles/ssh2.dir/src/userauth.c.o +.PHONY : src/userauth.c.o + +src/userauth.i: src/userauth.c.i +.PHONY : src/userauth.i + +# target to preprocess a source file +src/userauth.c.i: + cd /Users/dlarimer/projects/AthenaRuntime && $(MAKE) -f vendor/fc/vendor/libssh2-1.4.2/CMakeFiles/ssh2.dir/build.make vendor/fc/vendor/libssh2-1.4.2/CMakeFiles/ssh2.dir/src/userauth.c.i +.PHONY : src/userauth.c.i + +src/userauth.s: src/userauth.c.s +.PHONY : src/userauth.s + +# target to generate assembly for a file +src/userauth.c.s: + cd /Users/dlarimer/projects/AthenaRuntime && $(MAKE) -f vendor/fc/vendor/libssh2-1.4.2/CMakeFiles/ssh2.dir/build.make vendor/fc/vendor/libssh2-1.4.2/CMakeFiles/ssh2.dir/src/userauth.c.s +.PHONY : src/userauth.c.s + +src/version.o: src/version.c.o +.PHONY : src/version.o + +# target to build an object file +src/version.c.o: + cd /Users/dlarimer/projects/AthenaRuntime && $(MAKE) -f vendor/fc/vendor/libssh2-1.4.2/CMakeFiles/ssh2.dir/build.make vendor/fc/vendor/libssh2-1.4.2/CMakeFiles/ssh2.dir/src/version.c.o +.PHONY : src/version.c.o + +src/version.i: src/version.c.i +.PHONY : src/version.i + +# target to preprocess a source file +src/version.c.i: + cd /Users/dlarimer/projects/AthenaRuntime && $(MAKE) -f vendor/fc/vendor/libssh2-1.4.2/CMakeFiles/ssh2.dir/build.make vendor/fc/vendor/libssh2-1.4.2/CMakeFiles/ssh2.dir/src/version.c.i +.PHONY : src/version.c.i + +src/version.s: src/version.c.s +.PHONY : src/version.s + +# target to generate assembly for a file +src/version.c.s: + cd /Users/dlarimer/projects/AthenaRuntime && $(MAKE) -f vendor/fc/vendor/libssh2-1.4.2/CMakeFiles/ssh2.dir/build.make vendor/fc/vendor/libssh2-1.4.2/CMakeFiles/ssh2.dir/src/version.c.s +.PHONY : src/version.c.s + +# Help Target +help: + @echo "The following are some of the valid targets for this Makefile:" + @echo "... all (the default if no target is provided)" + @echo "... clean" + @echo "... depend" + @echo "... edit_cache" + @echo "... install" + @echo "... install/local" + @echo "... install/strip" + @echo "... list_install_components" + @echo "... rebuild_cache" + @echo "... ssh2" + @echo "... src/agent.o" + @echo "... src/agent.i" + @echo "... src/agent.s" + @echo "... src/channel.o" + @echo "... src/channel.i" + @echo "... src/channel.s" + @echo "... src/comp.o" + @echo "... src/comp.i" + @echo "... src/comp.s" + @echo "... src/crypt.o" + @echo "... src/crypt.i" + @echo "... src/crypt.s" + @echo "... src/global.o" + @echo "... src/global.i" + @echo "... src/global.s" + @echo "... src/hostkey.o" + @echo "... src/hostkey.i" + @echo "... src/hostkey.s" + @echo "... src/keepalive.o" + @echo "... src/keepalive.i" + @echo "... src/keepalive.s" + @echo "... src/kex.o" + @echo "... src/kex.i" + @echo "... src/kex.s" + @echo "... src/knownhost.o" + @echo "... src/knownhost.i" + @echo "... src/knownhost.s" + @echo "... src/libgcrypt.o" + @echo "... src/libgcrypt.i" + @echo "... src/libgcrypt.s" + @echo "... src/mac.o" + @echo "... src/mac.i" + @echo "... src/mac.s" + @echo "... src/misc.o" + @echo "... src/misc.i" + @echo "... src/misc.s" + @echo "... src/openssl.o" + @echo "... src/openssl.i" + @echo "... src/openssl.s" + @echo "... src/packet.o" + @echo "... src/packet.i" + @echo "... src/packet.s" + @echo "... src/pem.o" + @echo "... src/pem.i" + @echo "... src/pem.s" + @echo "... src/publickey.o" + @echo "... src/publickey.i" + @echo "... src/publickey.s" + @echo "... src/scp.o" + @echo "... src/scp.i" + @echo "... src/scp.s" + @echo "... src/session.o" + @echo "... src/session.i" + @echo "... src/session.s" + @echo "... src/sftp.o" + @echo "... src/sftp.i" + @echo "... src/sftp.s" + @echo "... src/transport.o" + @echo "... src/transport.i" + @echo "... src/transport.s" + @echo "... src/userauth.o" + @echo "... src/userauth.i" + @echo "... src/userauth.s" + @echo "... src/version.o" + @echo "... src/version.i" + @echo "... src/version.s" +.PHONY : help + + + +#============================================================================= +# Special targets to cleanup operation of make. + +# Special rule to run CMake to check the build system integrity. +# No rule that depends on this can have commands that come from listfiles +# because they might be regenerated. +cmake_check_build_system: + cd /Users/dlarimer/projects/AthenaRuntime && $(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR) --check-build-system CMakeFiles/Makefile.cmake 0 +.PHONY : cmake_check_build_system + diff --git a/vendor/libssh2-1.4.2/README b/vendor/libssh2-1.4.2/README new file mode 100644 index 0000000..d297f31 --- /dev/null +++ b/vendor/libssh2-1.4.2/README @@ -0,0 +1,102 @@ +libssh2 - SSH2 library +====================== + +libssh2 is a library implementing the SSH2 protocol, available under +the revised BSD license. + +Web site: http://www.libssh2.org/ + +Mailing list: http://cool.haxx.se/mailman/listinfo/libssh2-devel + +The rest of this readme does not apply as the build system has been replaced +with CMake for use in mace on windows/linux and mac. + + + +Generic installation instructions are in INSTALL. Some ./configure +options deserve additional comments: + + * --enable-crypt-none + + The SSH2 Transport allows for unencrypted data + transmission using the "none" cipher. Because this is + such a huge security hole, it is typically disabled on + SSH2 implementations and is disabled in libssh2 by + default as well. + + Enabling this option will allow for "none" as a + negotiable method, however it still requires that the + method be advertized by the remote end and that no + more-preferable methods are available. + + * --enable-mac-none + + The SSH2 Transport also allows implementations to + forego a message authentication code. While this is + less of a security risk than using a "none" cipher, it + is still not recommended as disabling MAC hashes + removes a layer of security. + + Enabling this option will allow for "none" as a + negotiable method, however it still requires that the + method be advertized by the remote end and that no + more-preferable methods are available. + + * --disable-gex-new + + The diffie-hellman-group-exchange-sha1 (dh-gex) key + exchange method originally defined an exchange + negotiation using packet type 30 to request a + generation pair based on a single target value. Later + refinement of dh-gex provided for range and target + values. By default libssh2 will use the newer range + method. + + If you experience trouble connecting to an old SSH + server using dh-gex, try this option to fallback on + the older more reliable method. + + * --with-libgcrypt + * --without-libgcrypt + * --with-libgcrypt-prefix=DIR + + libssh2 can use the Libgcrypt library + (http://www.gnupg.org/) for cryptographic operations. + Either Libgcrypt or OpenSSL is required. + + Configure will attempt to locate Libgcrypt + automatically. + + If your installation of Libgcrypt is in another + location, specify it using --with-libgcrypt-prefix. + + * --with-openssl + * --without-openssl + * --with-libssl-prefix=[DIR] + + libssh2 can use the OpenSSL library + (http://www.openssl.org) for cryptographic operations. + Either Libgcrypt or OpenSSL is required. + + Configure will attempt to locate OpenSSL in the + default location. + + If your installation of OpenSSL is in another + location, specify it using --with-libssl-prefix. + + * --with-libz + * --without-libz + * --with-libz-prefix=[DIR] + + If present, libssh2 will attempt to use the zlib + (http://www.zlib.org) for payload compression, however + zlib is not required. + + If your installation of Libz is in another location, + specify it using --with-libz-prefix. + + * --enable-debug + + Will make the build use more pedantic and strict compiler + options as well as enable the libssh2_trace() function (for + showing debug traces). diff --git a/vendor/libssh2-1.4.2/RELEASE-NOTES b/vendor/libssh2-1.4.2/RELEASE-NOTES new file mode 100644 index 0000000..ee52e8c --- /dev/null +++ b/vendor/libssh2-1.4.2/RELEASE-NOTES @@ -0,0 +1,21 @@ +libssh2 1.4.2 + +This release includes the following bugfixes: + + o Return LIBSSH2_ERROR_SOCKET_DISCONNECT on EOF when reading banner + o userauth.c: fread() from public key file to correctly detect any errors + o configure.ac: Add option to disable build of the example applications + o Added 'Requires.private:' line to libssh2.pc + o SFTP: filter off incoming "zombie" responses + o gettimeofday: no need for a replacement under cygwin + o SSH_MSG_CHANNEL_REQUEST: default to want_reply + o win32/libssh2_config.h: Remove hardcoded #define LIBSSH2_HAVE_ZLIB + +This release would not have looked like this without help, code, reports and +advice from friends like these: + + Alexander Lamaison, Rafael Kitover, Guenter Knauf, Peter Stuge, + Oleksiy Zagorskyi + + Thanks! (and sorry if I forgot to mention someone) + diff --git a/vendor/libssh2-1.4.2/cmake_install.cmake b/vendor/libssh2-1.4.2/cmake_install.cmake new file mode 100644 index 0000000..52195e4 --- /dev/null +++ b/vendor/libssh2-1.4.2/cmake_install.cmake @@ -0,0 +1,37 @@ +# Install script for directory: /Users/dlarimer/projects/AthenaRuntime/vendor/fc/vendor/libssh2-1.4.2 + +# Set the install prefix +IF(NOT DEFINED CMAKE_INSTALL_PREFIX) + SET(CMAKE_INSTALL_PREFIX "/usr/local") +ENDIF(NOT DEFINED CMAKE_INSTALL_PREFIX) +STRING(REGEX REPLACE "/$" "" CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}") + +# Set the install configuration name. +IF(NOT DEFINED CMAKE_INSTALL_CONFIG_NAME) + IF(BUILD_TYPE) + STRING(REGEX REPLACE "^[^A-Za-z0-9_]+" "" + CMAKE_INSTALL_CONFIG_NAME "${BUILD_TYPE}") + ELSE(BUILD_TYPE) + SET(CMAKE_INSTALL_CONFIG_NAME "Release") + ENDIF(BUILD_TYPE) + MESSAGE(STATUS "Install configuration: \"${CMAKE_INSTALL_CONFIG_NAME}\"") +ENDIF(NOT DEFINED CMAKE_INSTALL_CONFIG_NAME) + +# Set the component getting installed. +IF(NOT CMAKE_INSTALL_COMPONENT) + IF(COMPONENT) + MESSAGE(STATUS "Install component: \"${COMPONENT}\"") + SET(CMAKE_INSTALL_COMPONENT "${COMPONENT}") + ELSE(COMPONENT) + SET(CMAKE_INSTALL_COMPONENT) + ENDIF(COMPONENT) +ENDIF(NOT CMAKE_INSTALL_COMPONENT) + +IF(NOT CMAKE_INSTALL_COMPONENT OR "${CMAKE_INSTALL_COMPONENT}" STREQUAL "Unspecified") + FILE(INSTALL DESTINATION "${CMAKE_INSTALL_PREFIX}/lib" TYPE STATIC_LIBRARY FILES "/Users/dlarimer/projects/AthenaRuntime/vendor/fc/vendor/libssh2-1.4.2/libssh2.a") + IF(EXISTS "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libssh2.a" AND + NOT IS_SYMLINK "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libssh2.a") + EXECUTE_PROCESS(COMMAND "/opt/local/bin/ranlib" "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libssh2.a") + ENDIF() +ENDIF(NOT CMAKE_INSTALL_COMPONENT OR "${CMAKE_INSTALL_COMPONENT}" STREQUAL "Unspecified") + diff --git a/vendor/libssh2-1.4.2/include/libssh2.h b/vendor/libssh2-1.4.2/include/libssh2.h new file mode 100644 index 0000000..6af0028 --- /dev/null +++ b/vendor/libssh2-1.4.2/include/libssh2.h @@ -0,0 +1,1188 @@ +/* Copyright (c) 2004-2009, Sara Golemon + * Copyright (c) 2009-2012 Daniel Stenberg + * Copyright (c) 2010 Simon Josefsson + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#ifndef LIBSSH2_H +#define LIBSSH2_H 1 + +#define LIBSSH2_COPYRIGHT "2004-2012 The libssh2 project and its contributors." + +/* We use underscore instead of dash when appending DEV in dev versions just + to make the BANNER define (used by src/session.c) be a valid SSH + banner. Release versions have no appended strings and may of course not + have dashes either. */ +#define LIBSSH2_VERSION "1.4.2" + +/* The numeric version number is also available "in parts" by using these + defines: */ +#define LIBSSH2_VERSION_MAJOR 1 +#define LIBSSH2_VERSION_MINOR 4 +#define LIBSSH2_VERSION_PATCH 2 + +/* This is the numeric version of the libssh2 version number, meant for easier + parsing and comparions by programs. The LIBSSH2_VERSION_NUM define will + always follow this syntax: + + 0xXXYYZZ + + Where XX, YY and ZZ are the main version, release and patch numbers in + hexadecimal (using 8 bits each). All three numbers are always represented + using two digits. 1.2 would appear as "0x010200" while version 9.11.7 + appears as "0x090b07". + + This 6-digit (24 bits) hexadecimal number does not show pre-release number, + and it is always a greater number in a more recent release. It makes + comparisons with greater than and less than work. +*/ +#define LIBSSH2_VERSION_NUM 0x010402 + +/* + * This is the date and time when the full source package was created. The + * timestamp is not stored in the source code repo, as the timestamp is + * properly set in the tarballs by the maketgz script. + * + * The format of the date should follow this template: + * + * "Mon Feb 12 11:35:33 UTC 2007" + */ +#define LIBSSH2_TIMESTAMP "Fri May 18 21:30:56 UTC 2012" + +#ifndef RC_INVOKED + +#ifdef __cplusplus +extern "C" { +#endif +#ifdef _WIN32 +# include +# include +#endif + +#include +#include +#include +#include + +/* Allow alternate API prefix from CFLAGS or calling app */ +#ifndef LIBSSH2_API +# ifdef LIBSSH2_WIN32 +# ifdef LIBSSH2_LIBRARY +# define LIBSSH2_API __declspec(dllexport) +# else +# define LIBSSH2_API __declspec(dllimport) +# endif /* LIBSSH2_LIBRARY */ +# else /* !LIBSSH2_WIN32 */ +# define LIBSSH2_API +# endif /* LIBSSH2_WIN32 */ +#endif /* LIBSSH2_API */ + +#if defined(LIBSSH2_DARWIN) +# include +#endif + +#if (defined(NETWARE) && !defined(__NOVELL_LIBC__)) +# include +typedef unsigned char uint8_t; +typedef unsigned int uint32_t; +#endif + +#ifdef _MSC_VER +typedef unsigned char uint8_t; +typedef unsigned int uint32_t; +typedef unsigned __int64 libssh2_uint64_t; +typedef __int64 libssh2_int64_t; +#ifndef ssize_t +typedef SSIZE_T ssize_t; +#endif +#else +typedef unsigned long long libssh2_uint64_t; +typedef long long libssh2_int64_t; +#endif + +#ifdef WIN32 +typedef SOCKET libssh2_socket_t; +#define LIBSSH2_INVALID_SOCKET INVALID_SOCKET +#else /* !WIN32 */ +typedef int libssh2_socket_t; +#define LIBSSH2_INVALID_SOCKET -1 +#endif /* WIN32 */ + +/* Part of every banner, user specified or not */ +#define LIBSSH2_SSH_BANNER "SSH-2.0-libssh2_" LIBSSH2_VERSION + +/* We *could* add a comment here if we so chose */ +#define LIBSSH2_SSH_DEFAULT_BANNER LIBSSH2_SSH_BANNER +#define LIBSSH2_SSH_DEFAULT_BANNER_WITH_CRLF LIBSSH2_SSH_DEFAULT_BANNER "\r\n" + +/* Default generate and safe prime sizes for diffie-hellman-group-exchange-sha1 */ +#define LIBSSH2_DH_GEX_MINGROUP 1024 +#define LIBSSH2_DH_GEX_OPTGROUP 1536 +#define LIBSSH2_DH_GEX_MAXGROUP 2048 + +/* Defaults for pty requests */ +#define LIBSSH2_TERM_WIDTH 80 +#define LIBSSH2_TERM_HEIGHT 24 +#define LIBSSH2_TERM_WIDTH_PX 0 +#define LIBSSH2_TERM_HEIGHT_PX 0 + +/* 1/4 second */ +#define LIBSSH2_SOCKET_POLL_UDELAY 250000 +/* 0.25 * 120 == 30 seconds */ +#define LIBSSH2_SOCKET_POLL_MAXLOOPS 120 + +/* Maximum size to allow a payload to compress to, plays it safe by falling + short of spec limits */ +#define LIBSSH2_PACKET_MAXCOMP 32000 + +/* Maximum size to allow a payload to deccompress to, plays it safe by + allowing more than spec requires */ +#define LIBSSH2_PACKET_MAXDECOMP 40000 + +/* Maximum size for an inbound compressed payload, plays it safe by + overshooting spec limits */ +#define LIBSSH2_PACKET_MAXPAYLOAD 40000 + +/* Malloc callbacks */ +#define LIBSSH2_ALLOC_FUNC(name) void *name(size_t count, void **abstract) +#define LIBSSH2_REALLOC_FUNC(name) void *name(void *ptr, size_t count, \ + void **abstract) +#define LIBSSH2_FREE_FUNC(name) void name(void *ptr, void **abstract) + +typedef struct _LIBSSH2_USERAUTH_KBDINT_PROMPT +{ + char* text; + unsigned int length; + unsigned char echo; +} LIBSSH2_USERAUTH_KBDINT_PROMPT; + +typedef struct _LIBSSH2_USERAUTH_KBDINT_RESPONSE +{ + char* text; + unsigned int length; +} LIBSSH2_USERAUTH_KBDINT_RESPONSE; + +/* 'publickey' authentication callback */ +#define LIBSSH2_USERAUTH_PUBLICKEY_SIGN_FUNC(name) \ + int name(LIBSSH2_SESSION *session, unsigned char **sig, size_t *sig_len, \ + const unsigned char *data, size_t data_len, void **abstract) + +/* 'keyboard-interactive' authentication callback */ +#define LIBSSH2_USERAUTH_KBDINT_RESPONSE_FUNC(name_) \ + void name_(const char* name, int name_len, const char* instruction, \ + int instruction_len, int num_prompts, \ + const LIBSSH2_USERAUTH_KBDINT_PROMPT* prompts, \ + LIBSSH2_USERAUTH_KBDINT_RESPONSE* responses, void **abstract) + +/* Callbacks for special SSH packets */ +#define LIBSSH2_IGNORE_FUNC(name) \ + void name(LIBSSH2_SESSION *session, const char *message, int message_len, \ + void **abstract) + +#define LIBSSH2_DEBUG_FUNC(name) \ + void name(LIBSSH2_SESSION *session, int always_display, const char *message, \ + int message_len, const char *language, int language_len, \ + void **abstract) + +#define LIBSSH2_DISCONNECT_FUNC(name) \ + void name(LIBSSH2_SESSION *session, int reason, const char *message, \ + int message_len, const char *language, int language_len, \ + void **abstract) + +#define LIBSSH2_PASSWD_CHANGEREQ_FUNC(name) \ + void name(LIBSSH2_SESSION *session, char **newpw, int *newpw_len, \ + void **abstract) + +#define LIBSSH2_MACERROR_FUNC(name) \ + int name(LIBSSH2_SESSION *session, const char *packet, int packet_len, \ + void **abstract) + +#define LIBSSH2_X11_OPEN_FUNC(name) \ + void name(LIBSSH2_SESSION *session, LIBSSH2_CHANNEL *channel, \ + const char *shost, int sport, void **abstract) + +#define LIBSSH2_CHANNEL_CLOSE_FUNC(name) \ + void name(LIBSSH2_SESSION *session, void **session_abstract, \ + LIBSSH2_CHANNEL *channel, void **channel_abstract) + +/* I/O callbacks */ +#define LIBSSH2_RECV_FUNC(name) ssize_t name(libssh2_socket_t socket, \ + void *buffer, size_t length, \ + int flags, void **abstract) +#define LIBSSH2_SEND_FUNC(name) ssize_t name(libssh2_socket_t socket, \ + const void *buffer, size_t length,\ + int flags, void **abstract) + +/* libssh2_session_callback_set() constants */ +#define LIBSSH2_CALLBACK_IGNORE 0 +#define LIBSSH2_CALLBACK_DEBUG 1 +#define LIBSSH2_CALLBACK_DISCONNECT 2 +#define LIBSSH2_CALLBACK_MACERROR 3 +#define LIBSSH2_CALLBACK_X11 4 +#define LIBSSH2_CALLBACK_SEND 5 +#define LIBSSH2_CALLBACK_RECV 6 + +/* libssh2_session_method_pref() constants */ +#define LIBSSH2_METHOD_KEX 0 +#define LIBSSH2_METHOD_HOSTKEY 1 +#define LIBSSH2_METHOD_CRYPT_CS 2 +#define LIBSSH2_METHOD_CRYPT_SC 3 +#define LIBSSH2_METHOD_MAC_CS 4 +#define LIBSSH2_METHOD_MAC_SC 5 +#define LIBSSH2_METHOD_COMP_CS 6 +#define LIBSSH2_METHOD_COMP_SC 7 +#define LIBSSH2_METHOD_LANG_CS 8 +#define LIBSSH2_METHOD_LANG_SC 9 + +/* flags */ +#define LIBSSH2_FLAG_SIGPIPE 1 +#define LIBSSH2_FLAG_COMPRESS 2 + +typedef struct _LIBSSH2_SESSION LIBSSH2_SESSION; +typedef struct _LIBSSH2_CHANNEL LIBSSH2_CHANNEL; +typedef struct _LIBSSH2_LISTENER LIBSSH2_LISTENER; +typedef struct _LIBSSH2_KNOWNHOSTS LIBSSH2_KNOWNHOSTS; +typedef struct _LIBSSH2_AGENT LIBSSH2_AGENT; + +typedef struct _LIBSSH2_POLLFD { + unsigned char type; /* LIBSSH2_POLLFD_* below */ + + union { + int socket; /* File descriptors -- examined with system select() call */ + LIBSSH2_CHANNEL *channel; /* Examined by checking internal state */ + LIBSSH2_LISTENER *listener; /* Read polls only -- are inbound + connections waiting to be accepted? */ + } fd; + + unsigned long events; /* Requested Events */ + unsigned long revents; /* Returned Events */ +} LIBSSH2_POLLFD; + +/* Poll FD Descriptor Types */ +#define LIBSSH2_POLLFD_SOCKET 1 +#define LIBSSH2_POLLFD_CHANNEL 2 +#define LIBSSH2_POLLFD_LISTENER 3 + +/* Note: Win32 Doesn't actually have a poll() implementation, so some of these + values are faked with select() data */ +/* Poll FD events/revents -- Match sys/poll.h where possible */ +#define LIBSSH2_POLLFD_POLLIN 0x0001 /* Data available to be read or + connection available -- + All */ +#define LIBSSH2_POLLFD_POLLPRI 0x0002 /* Priority data available to + be read -- Socket only */ +#define LIBSSH2_POLLFD_POLLEXT 0x0002 /* Extended data available to + be read -- Channel only */ +#define LIBSSH2_POLLFD_POLLOUT 0x0004 /* Can may be written -- + Socket/Channel */ +/* revents only */ +#define LIBSSH2_POLLFD_POLLERR 0x0008 /* Error Condition -- Socket */ +#define LIBSSH2_POLLFD_POLLHUP 0x0010 /* HangUp/EOF -- Socket */ +#define LIBSSH2_POLLFD_SESSION_CLOSED 0x0010 /* Session Disconnect */ +#define LIBSSH2_POLLFD_POLLNVAL 0x0020 /* Invalid request -- Socket + Only */ +#define LIBSSH2_POLLFD_POLLEX 0x0040 /* Exception Condition -- + Socket/Win32 */ +#define LIBSSH2_POLLFD_CHANNEL_CLOSED 0x0080 /* Channel Disconnect */ +#define LIBSSH2_POLLFD_LISTENER_CLOSED 0x0080 /* Listener Disconnect */ + +#define HAVE_LIBSSH2_SESSION_BLOCK_DIRECTION +/* Block Direction Types */ +#define LIBSSH2_SESSION_BLOCK_INBOUND 0x0001 +#define LIBSSH2_SESSION_BLOCK_OUTBOUND 0x0002 + +/* Hash Types */ +#define LIBSSH2_HOSTKEY_HASH_MD5 1 +#define LIBSSH2_HOSTKEY_HASH_SHA1 2 + +/* Hostkey Types */ +#define LIBSSH2_HOSTKEY_TYPE_UNKNOWN 0 +#define LIBSSH2_HOSTKEY_TYPE_RSA 1 +#define LIBSSH2_HOSTKEY_TYPE_DSS 2 + +/* Disconnect Codes (defined by SSH protocol) */ +#define SSH_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1 +#define SSH_DISCONNECT_PROTOCOL_ERROR 2 +#define SSH_DISCONNECT_KEY_EXCHANGE_FAILED 3 +#define SSH_DISCONNECT_RESERVED 4 +#define SSH_DISCONNECT_MAC_ERROR 5 +#define SSH_DISCONNECT_COMPRESSION_ERROR 6 +#define SSH_DISCONNECT_SERVICE_NOT_AVAILABLE 7 +#define SSH_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8 +#define SSH_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9 +#define SSH_DISCONNECT_CONNECTION_LOST 10 +#define SSH_DISCONNECT_BY_APPLICATION 11 +#define SSH_DISCONNECT_TOO_MANY_CONNECTIONS 12 +#define SSH_DISCONNECT_AUTH_CANCELLED_BY_USER 13 +#define SSH_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14 +#define SSH_DISCONNECT_ILLEGAL_USER_NAME 15 + +/* Error Codes (defined by libssh2) */ +#define LIBSSH2_ERROR_NONE 0 + +/* The library once used -1 as a generic error return value on numerous places + through the code, which subsequently was converted to + LIBSSH2_ERROR_SOCKET_NONE uses over time. As this is a generic error code, + the goal is to never ever return this code but instead make sure that a + more accurate and descriptive error code is used. */ +#define LIBSSH2_ERROR_SOCKET_NONE -1 + +#define LIBSSH2_ERROR_BANNER_RECV -2 +#define LIBSSH2_ERROR_BANNER_SEND -3 +#define LIBSSH2_ERROR_INVALID_MAC -4 +#define LIBSSH2_ERROR_KEX_FAILURE -5 +#define LIBSSH2_ERROR_ALLOC -6 +#define LIBSSH2_ERROR_SOCKET_SEND -7 +#define LIBSSH2_ERROR_KEY_EXCHANGE_FAILURE -8 +#define LIBSSH2_ERROR_TIMEOUT -9 +#define LIBSSH2_ERROR_HOSTKEY_INIT -10 +#define LIBSSH2_ERROR_HOSTKEY_SIGN -11 +#define LIBSSH2_ERROR_DECRYPT -12 +#define LIBSSH2_ERROR_SOCKET_DISCONNECT -13 +#define LIBSSH2_ERROR_PROTO -14 +#define LIBSSH2_ERROR_PASSWORD_EXPIRED -15 +#define LIBSSH2_ERROR_FILE -16 +#define LIBSSH2_ERROR_METHOD_NONE -17 +#define LIBSSH2_ERROR_AUTHENTICATION_FAILED -18 +#define LIBSSH2_ERROR_PUBLICKEY_UNRECOGNIZED LIBSSH2_ERROR_AUTHENTICATION_FAILED +#define LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED -19 +#define LIBSSH2_ERROR_CHANNEL_OUTOFORDER -20 +#define LIBSSH2_ERROR_CHANNEL_FAILURE -21 +#define LIBSSH2_ERROR_CHANNEL_REQUEST_DENIED -22 +#define LIBSSH2_ERROR_CHANNEL_UNKNOWN -23 +#define LIBSSH2_ERROR_CHANNEL_WINDOW_EXCEEDED -24 +#define LIBSSH2_ERROR_CHANNEL_PACKET_EXCEEDED -25 +#define LIBSSH2_ERROR_CHANNEL_CLOSED -26 +#define LIBSSH2_ERROR_CHANNEL_EOF_SENT -27 +#define LIBSSH2_ERROR_SCP_PROTOCOL -28 +#define LIBSSH2_ERROR_ZLIB -29 +#define LIBSSH2_ERROR_SOCKET_TIMEOUT -30 +#define LIBSSH2_ERROR_SFTP_PROTOCOL -31 +#define LIBSSH2_ERROR_REQUEST_DENIED -32 +#define LIBSSH2_ERROR_METHOD_NOT_SUPPORTED -33 +#define LIBSSH2_ERROR_INVAL -34 +#define LIBSSH2_ERROR_INVALID_POLL_TYPE -35 +#define LIBSSH2_ERROR_PUBLICKEY_PROTOCOL -36 +#define LIBSSH2_ERROR_EAGAIN -37 +#define LIBSSH2_ERROR_BUFFER_TOO_SMALL -38 +#define LIBSSH2_ERROR_BAD_USE -39 +#define LIBSSH2_ERROR_COMPRESS -40 +#define LIBSSH2_ERROR_OUT_OF_BOUNDARY -41 +#define LIBSSH2_ERROR_AGENT_PROTOCOL -42 +#define LIBSSH2_ERROR_SOCKET_RECV -43 +#define LIBSSH2_ERROR_ENCRYPT -44 +#define LIBSSH2_ERROR_BAD_SOCKET -45 + +/* this is a define to provide the old (<= 1.2.7) name */ +#define LIBSSH2_ERROR_BANNER_NONE LIBSSH2_ERROR_BANNER_RECV + +/* Global API */ +#define LIBSSH2_INIT_NO_CRYPTO 0x0001 + +/* + * libssh2_init() + * + * Initialize the libssh2 functions. This typically initialize the + * crypto library. It uses a global state, and is not thread safe -- + * you must make sure this function is not called concurrently. + * + * Flags can be: + * 0: Normal initialize + * LIBSSH2_INIT_NO_CRYPTO: Do not initialize the crypto library (ie. + * OPENSSL_add_cipher_algoritms() for OpenSSL + * + * Returns 0 if succeeded, or a negative value for error. + */ +LIBSSH2_API int libssh2_init(int flags); + +/* + * libssh2_exit() + * + * Exit the libssh2 functions and free's all memory used internal. + */ +LIBSSH2_API void libssh2_exit(void); + +/* + * libssh2_free() + * + * Deallocate memory allocated by earlier call to libssh2 functions. + */ +LIBSSH2_API void libssh2_free(LIBSSH2_SESSION *session, void *ptr); + +/* + * libssh2_session_supported_algs() + * + * Fills algs with a list of supported acryptographic algorithms. Returns a + * non-negative number (number of supported algorithms) on success or a + * negative number (an eror code) on failure. + * + * NOTE: on success, algs must be deallocated (by calling libssh2_free) when + * not needed anymore + */ +LIBSSH2_API int libssh2_session_supported_algs(LIBSSH2_SESSION* session, + int method_type, + const char*** algs); + +/* Session API */ +LIBSSH2_API LIBSSH2_SESSION * +libssh2_session_init_ex(LIBSSH2_ALLOC_FUNC((*my_alloc)), + LIBSSH2_FREE_FUNC((*my_free)), + LIBSSH2_REALLOC_FUNC((*my_realloc)), void *abstract); +#define libssh2_session_init() libssh2_session_init_ex(NULL, NULL, NULL, NULL) + +LIBSSH2_API void **libssh2_session_abstract(LIBSSH2_SESSION *session); + +LIBSSH2_API void *libssh2_session_callback_set(LIBSSH2_SESSION *session, + int cbtype, void *callback); +LIBSSH2_API int libssh2_session_banner_set(LIBSSH2_SESSION *session, + const char *banner); +LIBSSH2_API int libssh2_banner_set(LIBSSH2_SESSION *session, + const char *banner); + +LIBSSH2_API int libssh2_session_startup(LIBSSH2_SESSION *session, int sock); +LIBSSH2_API int libssh2_session_handshake(LIBSSH2_SESSION *session, + libssh2_socket_t sock); +LIBSSH2_API int libssh2_session_disconnect_ex(LIBSSH2_SESSION *session, + int reason, + const char *description, + const char *lang); +#define libssh2_session_disconnect(session, description) \ + libssh2_session_disconnect_ex((session), SSH_DISCONNECT_BY_APPLICATION, \ + (description), "") + +LIBSSH2_API int libssh2_session_free(LIBSSH2_SESSION *session); + +LIBSSH2_API const char *libssh2_hostkey_hash(LIBSSH2_SESSION *session, + int hash_type); + +LIBSSH2_API const char *libssh2_session_hostkey(LIBSSH2_SESSION *session, + size_t *len, int *type); + +LIBSSH2_API int libssh2_session_method_pref(LIBSSH2_SESSION *session, + int method_type, + const char *prefs); +LIBSSH2_API const char *libssh2_session_methods(LIBSSH2_SESSION *session, + int method_type); +LIBSSH2_API int libssh2_session_last_error(LIBSSH2_SESSION *session, + char **errmsg, + int *errmsg_len, int want_buf); +LIBSSH2_API int libssh2_session_last_errno(LIBSSH2_SESSION *session); +LIBSSH2_API int libssh2_session_block_directions(LIBSSH2_SESSION *session); + +LIBSSH2_API int libssh2_session_flag(LIBSSH2_SESSION *session, int flag, + int value); +LIBSSH2_API const char *libssh2_session_banner_get(LIBSSH2_SESSION *session); + +/* Userauth API */ +LIBSSH2_API char *libssh2_userauth_list(LIBSSH2_SESSION *session, + const char *username, + unsigned int username_len); +LIBSSH2_API int libssh2_userauth_authenticated(LIBSSH2_SESSION *session); + +LIBSSH2_API int libssh2_userauth_password_ex(LIBSSH2_SESSION *session, + const char *username, + unsigned int username_len, + const char *password, + unsigned int password_len, + LIBSSH2_PASSWD_CHANGEREQ_FUNC((*passwd_change_cb))); + +#define libssh2_userauth_password(session, username, password) \ + libssh2_userauth_password_ex((session), (username), strlen(username), \ + (password), strlen(password), NULL) + +LIBSSH2_API int +libssh2_userauth_publickey_fromfile_ex(LIBSSH2_SESSION *session, + const char *username, + unsigned int username_len, + const char *publickey, + const char *privatekey, + const char *passphrase); + +#define libssh2_userauth_publickey_fromfile(session, username, publickey, \ + privatekey, passphrase) \ + libssh2_userauth_publickey_fromfile_ex((session), (username), \ + strlen(username), (publickey), \ + (privatekey), (passphrase)) + +LIBSSH2_API int +libssh2_userauth_publickey(LIBSSH2_SESSION *session, + const char *username, + const unsigned char *pubkeydata, + size_t pubkeydata_len, + LIBSSH2_USERAUTH_PUBLICKEY_SIGN_FUNC((*sign_callback)), + void **abstract); + +LIBSSH2_API int +libssh2_userauth_hostbased_fromfile_ex(LIBSSH2_SESSION *session, + const char *username, + unsigned int username_len, + const char *publickey, + const char *privatekey, + const char *passphrase, + const char *hostname, + unsigned int hostname_len, + const char *local_username, + unsigned int local_username_len); + +#define libssh2_userauth_hostbased_fromfile(session, username, publickey, \ + privatekey, passphrase, hostname) \ + libssh2_userauth_hostbased_fromfile_ex((session), (username), \ + strlen(username), (publickey), \ + (privatekey), (passphrase), \ + (hostname), strlen(hostname), \ + (username), strlen(username)) + +/* + * response_callback is provided with filled by library prompts array, + * but client must allocate and fill individual responses. Responses + * array is already allocated. Responses data will be freed by libssh2 + * after callback return, but before subsequent callback invokation. + */ +LIBSSH2_API int +libssh2_userauth_keyboard_interactive_ex(LIBSSH2_SESSION* session, + const char *username, + unsigned int username_len, + LIBSSH2_USERAUTH_KBDINT_RESPONSE_FUNC((*response_callback))); + +#define libssh2_userauth_keyboard_interactive(session, username, \ + response_callback) \ + libssh2_userauth_keyboard_interactive_ex((session), (username), \ + strlen(username), (response_callback)) + +LIBSSH2_API int libssh2_poll(LIBSSH2_POLLFD *fds, unsigned int nfds, + long timeout); + +/* Channel API */ +#define LIBSSH2_CHANNEL_WINDOW_DEFAULT (256*1024) +#define LIBSSH2_CHANNEL_PACKET_DEFAULT 32768 +#define LIBSSH2_CHANNEL_MINADJUST 1024 + +/* Extended Data Handling */ +#define LIBSSH2_CHANNEL_EXTENDED_DATA_NORMAL 0 +#define LIBSSH2_CHANNEL_EXTENDED_DATA_IGNORE 1 +#define LIBSSH2_CHANNEL_EXTENDED_DATA_MERGE 2 + +#define SSH_EXTENDED_DATA_STDERR 1 + +/* Returned by any function that would block during a read/write opperation */ +#define LIBSSH2CHANNEL_EAGAIN LIBSSH2_ERROR_EAGAIN + +LIBSSH2_API LIBSSH2_CHANNEL * +libssh2_channel_open_ex(LIBSSH2_SESSION *session, const char *channel_type, + unsigned int channel_type_len, + unsigned int window_size, unsigned int packet_size, + const char *message, unsigned int message_len); + +#define libssh2_channel_open_session(session) \ + libssh2_channel_open_ex((session), "session", sizeof("session") - 1, \ + LIBSSH2_CHANNEL_WINDOW_DEFAULT, \ + LIBSSH2_CHANNEL_PACKET_DEFAULT, NULL, 0) + +LIBSSH2_API LIBSSH2_CHANNEL * +libssh2_channel_direct_tcpip_ex(LIBSSH2_SESSION *session, const char *host, + int port, const char *shost, int sport); +#define libssh2_channel_direct_tcpip(session, host, port) \ + libssh2_channel_direct_tcpip_ex((session), (host), (port), "127.0.0.1", 22) + +LIBSSH2_API LIBSSH2_LISTENER * +libssh2_channel_forward_listen_ex(LIBSSH2_SESSION *session, const char *host, + int port, int *bound_port, int queue_maxsize); +#define libssh2_channel_forward_listen(session, port) \ + libssh2_channel_forward_listen_ex((session), NULL, (port), NULL, 16) + +LIBSSH2_API int libssh2_channel_forward_cancel(LIBSSH2_LISTENER *listener); + +LIBSSH2_API LIBSSH2_CHANNEL * +libssh2_channel_forward_accept(LIBSSH2_LISTENER *listener); + +LIBSSH2_API int libssh2_channel_setenv_ex(LIBSSH2_CHANNEL *channel, + const char *varname, + unsigned int varname_len, + const char *value, + unsigned int value_len); + +#define libssh2_channel_setenv(channel, varname, value) \ + libssh2_channel_setenv_ex((channel), (varname), strlen(varname), (value), \ + strlen(value)) + +LIBSSH2_API int libssh2_channel_request_pty_ex(LIBSSH2_CHANNEL *channel, + const char *term, + unsigned int term_len, + const char *modes, + unsigned int modes_len, + int width, int height, + int width_px, int height_px); +#define libssh2_channel_request_pty(channel, term) \ + libssh2_channel_request_pty_ex((channel), (term), strlen(term), NULL, 0, \ + LIBSSH2_TERM_WIDTH, LIBSSH2_TERM_HEIGHT, \ + LIBSSH2_TERM_WIDTH_PX, LIBSSH2_TERM_HEIGHT_PX) + +LIBSSH2_API int libssh2_channel_request_pty_size_ex(LIBSSH2_CHANNEL *channel, + int width, int height, + int width_px, + int height_px); +#define libssh2_channel_request_pty_size(channel, width, height) \ + libssh2_channel_request_pty_size_ex( (channel), (width), (height), 0, 0) + +LIBSSH2_API int libssh2_channel_x11_req_ex(LIBSSH2_CHANNEL *channel, + int single_connection, + const char *auth_proto, + const char *auth_cookie, + int screen_number); +#define libssh2_channel_x11_req(channel, screen_number) \ + libssh2_channel_x11_req_ex((channel), 0, NULL, NULL, (screen_number)) + +LIBSSH2_API int libssh2_channel_process_startup(LIBSSH2_CHANNEL *channel, + const char *request, + unsigned int request_len, + const char *message, + unsigned int message_len); +#define libssh2_channel_shell(channel) \ + libssh2_channel_process_startup((channel), "shell", sizeof("shell") - 1, \ + NULL, 0) +#define libssh2_channel_exec(channel, command) \ + libssh2_channel_process_startup((channel), "exec", sizeof("exec") - 1, \ + (command), strlen(command)) +#define libssh2_channel_subsystem(channel, subsystem) \ + libssh2_channel_process_startup((channel), "subsystem", \ + sizeof("subsystem") - 1, (subsystem), \ + strlen(subsystem)) + +LIBSSH2_API ssize_t libssh2_channel_read_ex(LIBSSH2_CHANNEL *channel, + int stream_id, char *buf, + size_t buflen); +#define libssh2_channel_read(channel, buf, buflen) \ + libssh2_channel_read_ex((channel), 0, (buf), (buflen)) +#define libssh2_channel_read_stderr(channel, buf, buflen) \ + libssh2_channel_read_ex((channel), SSH_EXTENDED_DATA_STDERR, (buf), (buflen)) + +LIBSSH2_API int libssh2_poll_channel_read(LIBSSH2_CHANNEL *channel, + int extended); + +LIBSSH2_API unsigned long +libssh2_channel_window_read_ex(LIBSSH2_CHANNEL *channel, + unsigned long *read_avail, + unsigned long *window_size_initial); +#define libssh2_channel_window_read(channel) \ + libssh2_channel_window_read_ex((channel), NULL, NULL) + +/* libssh2_channel_receive_window_adjust is DEPRECATED, do not use! */ +LIBSSH2_API unsigned long +libssh2_channel_receive_window_adjust(LIBSSH2_CHANNEL *channel, + unsigned long adjustment, + unsigned char force); + +LIBSSH2_API int +libssh2_channel_receive_window_adjust2(LIBSSH2_CHANNEL *channel, + unsigned long adjustment, + unsigned char force, + unsigned int *storewindow); + +LIBSSH2_API ssize_t libssh2_channel_write_ex(LIBSSH2_CHANNEL *channel, + int stream_id, const char *buf, + size_t buflen); + +#define libssh2_channel_write(channel, buf, buflen) \ + libssh2_channel_write_ex((channel), 0, (buf), (buflen)) +#define libssh2_channel_write_stderr(channel, buf, buflen) \ + libssh2_channel_write_ex((channel), SSH_EXTENDED_DATA_STDERR, (buf), (buflen)) + +LIBSSH2_API unsigned long +libssh2_channel_window_write_ex(LIBSSH2_CHANNEL *channel, + unsigned long *window_size_initial); +#define libssh2_channel_window_write(channel) \ + libssh2_channel_window_write_ex((channel), NULL) + +LIBSSH2_API void libssh2_session_set_blocking(LIBSSH2_SESSION* session, + int blocking); +LIBSSH2_API int libssh2_session_get_blocking(LIBSSH2_SESSION* session); + +LIBSSH2_API void libssh2_channel_set_blocking(LIBSSH2_CHANNEL *channel, + int blocking); + +LIBSSH2_API void libssh2_session_set_timeout(LIBSSH2_SESSION* session, + long timeout); +LIBSSH2_API long libssh2_session_get_timeout(LIBSSH2_SESSION* session); + +/* libssh2_channel_handle_extended_data is DEPRECATED, do not use! */ +LIBSSH2_API void libssh2_channel_handle_extended_data(LIBSSH2_CHANNEL *channel, + int ignore_mode); +LIBSSH2_API int libssh2_channel_handle_extended_data2(LIBSSH2_CHANNEL *channel, + int ignore_mode); + +/* libssh2_channel_ignore_extended_data() is defined below for BC with version + * 0.1 + * + * Future uses should use libssh2_channel_handle_extended_data() directly if + * LIBSSH2_CHANNEL_EXTENDED_DATA_MERGE is passed, extended data will be read + * (FIFO) from the standard data channel + */ +/* DEPRECATED */ +#define libssh2_channel_ignore_extended_data(channel, ignore) \ + libssh2_channel_handle_extended_data((channel), \ + (ignore) ? \ + LIBSSH2_CHANNEL_EXTENDED_DATA_IGNORE : \ + LIBSSH2_CHANNEL_EXTENDED_DATA_NORMAL ) + +#define LIBSSH2_CHANNEL_FLUSH_EXTENDED_DATA -1 +#define LIBSSH2_CHANNEL_FLUSH_ALL -2 +LIBSSH2_API int libssh2_channel_flush_ex(LIBSSH2_CHANNEL *channel, + int streamid); +#define libssh2_channel_flush(channel) libssh2_channel_flush_ex((channel), 0) +#define libssh2_channel_flush_stderr(channel) \ + libssh2_channel_flush_ex((channel), SSH_EXTENDED_DATA_STDERR) + +LIBSSH2_API int libssh2_channel_get_exit_status(LIBSSH2_CHANNEL* channel); +LIBSSH2_API int libssh2_channel_get_exit_signal(LIBSSH2_CHANNEL* channel, + char **exitsignal, + size_t *exitsignal_len, + char **errmsg, + size_t *errmsg_len, + char **langtag, + size_t *langtag_len); +LIBSSH2_API int libssh2_channel_send_eof(LIBSSH2_CHANNEL *channel); +LIBSSH2_API int libssh2_channel_eof(LIBSSH2_CHANNEL *channel); +LIBSSH2_API int libssh2_channel_wait_eof(LIBSSH2_CHANNEL *channel); +LIBSSH2_API int libssh2_channel_close(LIBSSH2_CHANNEL *channel); +LIBSSH2_API int libssh2_channel_wait_closed(LIBSSH2_CHANNEL *channel); +LIBSSH2_API int libssh2_channel_free(LIBSSH2_CHANNEL *channel); + +LIBSSH2_API LIBSSH2_CHANNEL *libssh2_scp_recv(LIBSSH2_SESSION *session, + const char *path, + struct stat *sb); +LIBSSH2_API LIBSSH2_CHANNEL *libssh2_scp_send_ex(LIBSSH2_SESSION *session, + const char *path, int mode, + size_t size, long mtime, + long atime); +LIBSSH2_API LIBSSH2_CHANNEL * +libssh2_scp_send64(LIBSSH2_SESSION *session, const char *path, int mode, + libssh2_int64_t size, time_t mtime, time_t atime); + +#define libssh2_scp_send(session, path, mode, size) \ + libssh2_scp_send_ex((session), (path), (mode), (size), 0, 0) + +LIBSSH2_API int libssh2_base64_decode(LIBSSH2_SESSION *session, char **dest, + unsigned int *dest_len, + const char *src, unsigned int src_len); + +LIBSSH2_API +const char *libssh2_version(int req_version_num); + +#define HAVE_LIBSSH2_KNOWNHOST_API 0x010101 /* since 1.1.1 */ +#define HAVE_LIBSSH2_VERSION_API 0x010100 /* libssh2_version since 1.1 */ + +struct libssh2_knownhost { + unsigned int magic; /* magic stored by the library */ + void *node; /* handle to the internal representation of this host */ + char *name; /* this is NULL if no plain text host name exists */ + char *key; /* key in base64/printable format */ + int typemask; +}; + +/* + * libssh2_knownhost_init + * + * Init a collection of known hosts. Returns the pointer to a collection. + * + */ +LIBSSH2_API LIBSSH2_KNOWNHOSTS * +libssh2_knownhost_init(LIBSSH2_SESSION *session); + +/* + * libssh2_knownhost_add + * + * Add a host and its associated key to the collection of known hosts. + * + * The 'type' argument specifies on what format the given host and keys are: + * + * plain - ascii "hostname.domain.tld" + * sha1 - SHA1( ) base64-encoded! + * custom - another hash + * + * If 'sha1' is selected as type, the salt must be provided to the salt + * argument. This too base64 encoded. + * + * The SHA-1 hash is what OpenSSH can be told to use in known_hosts files. If + * a custom type is used, salt is ignored and you must provide the host + * pre-hashed when checking for it in the libssh2_knownhost_check() function. + * + * The keylen parameter may be omitted (zero) if the key is provided as a + * NULL-terminated base64-encoded string. + */ + +/* host format (2 bits) */ +#define LIBSSH2_KNOWNHOST_TYPE_MASK 0xffff +#define LIBSSH2_KNOWNHOST_TYPE_PLAIN 1 +#define LIBSSH2_KNOWNHOST_TYPE_SHA1 2 /* always base64 encoded */ +#define LIBSSH2_KNOWNHOST_TYPE_CUSTOM 3 + +/* key format (2 bits) */ +#define LIBSSH2_KNOWNHOST_KEYENC_MASK (3<<16) +#define LIBSSH2_KNOWNHOST_KEYENC_RAW (1<<16) +#define LIBSSH2_KNOWNHOST_KEYENC_BASE64 (2<<16) + +/* type of key (2 bits) */ +#define LIBSSH2_KNOWNHOST_KEY_MASK (3<<18) +#define LIBSSH2_KNOWNHOST_KEY_SHIFT 18 +#define LIBSSH2_KNOWNHOST_KEY_RSA1 (1<<18) +#define LIBSSH2_KNOWNHOST_KEY_SSHRSA (2<<18) +#define LIBSSH2_KNOWNHOST_KEY_SSHDSS (3<<18) + +LIBSSH2_API int +libssh2_knownhost_add(LIBSSH2_KNOWNHOSTS *hosts, + const char *host, + const char *salt, + const char *key, size_t keylen, int typemask, + struct libssh2_knownhost **store); + +/* + * libssh2_knownhost_addc + * + * Add a host and its associated key to the collection of known hosts. + * + * Takes a comment argument that may be NULL. A NULL comment indicates + * there is no comment and the entry will end directly after the key + * when written out to a file. An empty string "" comment will indicate an + * empty comment which will cause a single space to be written after the key. + * + * The 'type' argument specifies on what format the given host and keys are: + * + * plain - ascii "hostname.domain.tld" + * sha1 - SHA1( ) base64-encoded! + * custom - another hash + * + * If 'sha1' is selected as type, the salt must be provided to the salt + * argument. This too base64 encoded. + * + * The SHA-1 hash is what OpenSSH can be told to use in known_hosts files. If + * a custom type is used, salt is ignored and you must provide the host + * pre-hashed when checking for it in the libssh2_knownhost_check() function. + * + * The keylen parameter may be omitted (zero) if the key is provided as a + * NULL-terminated base64-encoded string. + */ + +LIBSSH2_API int +libssh2_knownhost_addc(LIBSSH2_KNOWNHOSTS *hosts, + const char *host, + const char *salt, + const char *key, size_t keylen, + const char *comment, size_t commentlen, int typemask, + struct libssh2_knownhost **store); + +/* + * libssh2_knownhost_check + * + * Check a host and its associated key against the collection of known hosts. + * + * The type is the type/format of the given host name. + * + * plain - ascii "hostname.domain.tld" + * custom - prehashed base64 encoded. Note that this cannot use any salts. + * + * + * 'knownhost' may be set to NULL if you don't care about that info. + * + * Returns: + * + * LIBSSH2_KNOWNHOST_CHECK_* values, see below + * + */ + +#define LIBSSH2_KNOWNHOST_CHECK_MATCH 0 +#define LIBSSH2_KNOWNHOST_CHECK_MISMATCH 1 +#define LIBSSH2_KNOWNHOST_CHECK_NOTFOUND 2 +#define LIBSSH2_KNOWNHOST_CHECK_FAILURE 3 + +LIBSSH2_API int +libssh2_knownhost_check(LIBSSH2_KNOWNHOSTS *hosts, + const char *host, const char *key, size_t keylen, + int typemask, + struct libssh2_knownhost **knownhost); + +/* this function is identital to the above one, but also takes a port + argument that allows libssh2 to do a better check */ +LIBSSH2_API int +libssh2_knownhost_checkp(LIBSSH2_KNOWNHOSTS *hosts, + const char *host, int port, + const char *key, size_t keylen, + int typemask, + struct libssh2_knownhost **knownhost); + +/* + * libssh2_knownhost_del + * + * Remove a host from the collection of known hosts. The 'entry' struct is + * retrieved by a call to libssh2_knownhost_check(). + * + */ +LIBSSH2_API int +libssh2_knownhost_del(LIBSSH2_KNOWNHOSTS *hosts, + struct libssh2_knownhost *entry); + +/* + * libssh2_knownhost_free + * + * Free an entire collection of known hosts. + * + */ +LIBSSH2_API void +libssh2_knownhost_free(LIBSSH2_KNOWNHOSTS *hosts); + +/* + * libssh2_knownhost_readline() + * + * Pass in a line of a file of 'type'. It makes libssh2 read this line. + * + * LIBSSH2_KNOWNHOST_FILE_OPENSSH is the only supported type. + * + */ +LIBSSH2_API int +libssh2_knownhost_readline(LIBSSH2_KNOWNHOSTS *hosts, + const char *line, size_t len, int type); + +/* + * libssh2_knownhost_readfile + * + * Add hosts+key pairs from a given file. + * + * Returns a negative value for error or number of successfully added hosts. + * + * This implementation currently only knows one 'type' (openssh), all others + * are reserved for future use. + */ + +#define LIBSSH2_KNOWNHOST_FILE_OPENSSH 1 + +LIBSSH2_API int +libssh2_knownhost_readfile(LIBSSH2_KNOWNHOSTS *hosts, + const char *filename, int type); + +/* + * libssh2_knownhost_writeline() + * + * Ask libssh2 to convert a known host to an output line for storage. + * + * Note that this function returns LIBSSH2_ERROR_BUFFER_TOO_SMALL if the given + * output buffer is too small to hold the desired output. + * + * This implementation currently only knows one 'type' (openssh), all others + * are reserved for future use. + * + */ +LIBSSH2_API int +libssh2_knownhost_writeline(LIBSSH2_KNOWNHOSTS *hosts, + struct libssh2_knownhost *known, + char *buffer, size_t buflen, + size_t *outlen, /* the amount of written data */ + int type); + +/* + * libssh2_knownhost_writefile + * + * Write hosts+key pairs to a given file. + * + * This implementation currently only knows one 'type' (openssh), all others + * are reserved for future use. + */ + +LIBSSH2_API int +libssh2_knownhost_writefile(LIBSSH2_KNOWNHOSTS *hosts, + const char *filename, int type); + +/* + * libssh2_knownhost_get() + * + * Traverse the internal list of known hosts. Pass NULL to 'prev' to get + * the first one. Or pass a poiner to the previously returned one to get the + * next. + * + * Returns: + * 0 if a fine host was stored in 'store' + * 1 if end of hosts + * [negative] on errors + */ +LIBSSH2_API int +libssh2_knownhost_get(LIBSSH2_KNOWNHOSTS *hosts, + struct libssh2_knownhost **store, + struct libssh2_knownhost *prev); + +#define HAVE_LIBSSH2_AGENT_API 0x010202 /* since 1.2.2 */ + +struct libssh2_agent_publickey { + unsigned int magic; /* magic stored by the library */ + void *node; /* handle to the internal representation of key */ + unsigned char *blob; /* public key blob */ + size_t blob_len; /* length of the public key blob */ + char *comment; /* comment in printable format */ +}; + +/* + * libssh2_agent_init + * + * Init an ssh-agent handle. Returns the pointer to the handle. + * + */ +LIBSSH2_API LIBSSH2_AGENT * +libssh2_agent_init(LIBSSH2_SESSION *session); + +/* + * libssh2_agent_connect() + * + * Connect to an ssh-agent. + * + * Returns 0 if succeeded, or a negative value for error. + */ +LIBSSH2_API int +libssh2_agent_connect(LIBSSH2_AGENT *agent); + +/* + * libssh2_agent_list_identities() + * + * Request an ssh-agent to list identities. + * + * Returns 0 if succeeded, or a negative value for error. + */ +LIBSSH2_API int +libssh2_agent_list_identities(LIBSSH2_AGENT *agent); + +/* + * libssh2_agent_get_identity() + * + * Traverse the internal list of public keys. Pass NULL to 'prev' to get + * the first one. Or pass a poiner to the previously returned one to get the + * next. + * + * Returns: + * 0 if a fine public key was stored in 'store' + * 1 if end of public keys + * [negative] on errors + */ +LIBSSH2_API int +libssh2_agent_get_identity(LIBSSH2_AGENT *agent, + struct libssh2_agent_publickey **store, + struct libssh2_agent_publickey *prev); + +/* + * libssh2_agent_userauth() + * + * Do publickey user authentication with the help of ssh-agent. + * + * Returns 0 if succeeded, or a negative value for error. + */ +LIBSSH2_API int +libssh2_agent_userauth(LIBSSH2_AGENT *agent, + const char *username, + struct libssh2_agent_publickey *identity); + +/* + * libssh2_agent_disconnect() + * + * Close a connection to an ssh-agent. + * + * Returns 0 if succeeded, or a negative value for error. + */ +LIBSSH2_API int +libssh2_agent_disconnect(LIBSSH2_AGENT *agent); + +/* + * libssh2_agent_free() + * + * Free an ssh-agent handle. This function also frees the internal + * collection of public keys. + */ +LIBSSH2_API void +libssh2_agent_free(LIBSSH2_AGENT *agent); + + +/* + * libssh2_keepalive_config() + * + * Set how often keepalive messages should be sent. WANT_REPLY + * indicates whether the keepalive messages should request a response + * from the server. INTERVAL is number of seconds that can pass + * without any I/O, use 0 (the default) to disable keepalives. To + * avoid some busy-loop corner-cases, if you specify an interval of 1 + * it will be treated as 2. + * + * Note that non-blocking applications are responsible for sending the + * keepalive messages using libssh2_keepalive_send(). + */ +LIBSSH2_API void libssh2_keepalive_config (LIBSSH2_SESSION *session, + int want_reply, + unsigned interval); + +/* + * libssh2_keepalive_send() + * + * Send a keepalive message if needed. SECONDS_TO_NEXT indicates how + * many seconds you can sleep after this call before you need to call + * it again. Returns 0 on success, or LIBSSH2_ERROR_SOCKET_SEND on + * I/O errors. + */ +LIBSSH2_API int libssh2_keepalive_send (LIBSSH2_SESSION *session, + int *seconds_to_next); + +/* NOTE NOTE NOTE + libssh2_trace() has no function in builds that aren't built with debug + enabled + */ +LIBSSH2_API int libssh2_trace(LIBSSH2_SESSION *session, int bitmask); +#define LIBSSH2_TRACE_TRANS (1<<1) +#define LIBSSH2_TRACE_KEX (1<<2) +#define LIBSSH2_TRACE_AUTH (1<<3) +#define LIBSSH2_TRACE_CONN (1<<4) +#define LIBSSH2_TRACE_SCP (1<<5) +#define LIBSSH2_TRACE_SFTP (1<<6) +#define LIBSSH2_TRACE_ERROR (1<<7) +#define LIBSSH2_TRACE_PUBLICKEY (1<<8) +#define LIBSSH2_TRACE_SOCKET (1<<9) + +typedef void (*libssh2_trace_handler_func)(LIBSSH2_SESSION*, + void*, + const char *, + size_t); +LIBSSH2_API int libssh2_trace_sethandler(LIBSSH2_SESSION *session, + void* context, + libssh2_trace_handler_func callback); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* !RC_INVOKED */ + +#endif /* LIBSSH2_H */ diff --git a/vendor/libssh2-1.4.2/include/libssh2_publickey.h b/vendor/libssh2-1.4.2/include/libssh2_publickey.h new file mode 100644 index 0000000..7350e9f --- /dev/null +++ b/vendor/libssh2-1.4.2/include/libssh2_publickey.h @@ -0,0 +1,118 @@ +/* Copyright (c) 2004-2006, Sara Golemon + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +/* Note: This include file is only needed for using the + * publickey SUBSYSTEM which is not the same as publickey + * authentication. For authentication you only need libssh2.h + * + * For more information on the publickey subsystem, + * refer to IETF draft: secsh-publickey + */ + +#ifndef LIBSSH2_PUBLICKEY_H +#define LIBSSH2_PUBLICKEY_H 1 + +#include "libssh2.h" + +typedef struct _LIBSSH2_PUBLICKEY LIBSSH2_PUBLICKEY; + +typedef struct _libssh2_publickey_attribute { + const char *name; + unsigned long name_len; + const char *value; + unsigned long value_len; + char mandatory; +} libssh2_publickey_attribute; + +typedef struct _libssh2_publickey_list { + unsigned char *packet; /* For freeing */ + + const unsigned char *name; + unsigned long name_len; + const unsigned char *blob; + unsigned long blob_len; + unsigned long num_attrs; + libssh2_publickey_attribute *attrs; /* free me */ +} libssh2_publickey_list; + +/* Generally use the first macro here, but if both name and value are string literals, you can use _fast() to take advantage of preprocessing */ +#define libssh2_publickey_attribute(name, value, mandatory) \ + { (name), strlen(name), (value), strlen(value), (mandatory) }, +#define libssh2_publickey_attribute_fast(name, value, mandatory) \ + { (name), sizeof(name) - 1, (value), sizeof(value) - 1, (mandatory) }, + +#ifdef __cplusplus +extern "C" { +#endif + +/* Publickey Subsystem */ +LIBSSH2_API LIBSSH2_PUBLICKEY *libssh2_publickey_init(LIBSSH2_SESSION *session); + +LIBSSH2_API int libssh2_publickey_add_ex(LIBSSH2_PUBLICKEY *pkey, + const unsigned char *name, + unsigned long name_len, + const unsigned char *blob, + unsigned long blob_len, char overwrite, + unsigned long num_attrs, + const libssh2_publickey_attribute attrs[]); +#define libssh2_publickey_add(pkey, name, blob, blob_len, overwrite, \ + num_attrs, attrs) \ + libssh2_publickey_add_ex((pkey), (name), strlen(name), (blob), (blob_len), \ + (overwrite), (num_attrs), (attrs)) + +LIBSSH2_API int libssh2_publickey_remove_ex(LIBSSH2_PUBLICKEY *pkey, + const unsigned char *name, + unsigned long name_len, + const unsigned char *blob, + unsigned long blob_len); +#define libssh2_publickey_remove(pkey, name, blob, blob_len) \ + libssh2_publickey_remove_ex((pkey), (name), strlen(name), (blob), (blob_len)) + +LIBSSH2_API int +libssh2_publickey_list_fetch(LIBSSH2_PUBLICKEY *pkey, + unsigned long *num_keys, + libssh2_publickey_list **pkey_list); +LIBSSH2_API void libssh2_publickey_list_free(LIBSSH2_PUBLICKEY *pkey, + libssh2_publickey_list *pkey_list); + +LIBSSH2_API int libssh2_publickey_shutdown(LIBSSH2_PUBLICKEY *pkey); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* ifndef: LIBSSH2_PUBLICKEY_H */ diff --git a/vendor/libssh2-1.4.2/include/libssh2_sftp.h b/vendor/libssh2-1.4.2/include/libssh2_sftp.h new file mode 100644 index 0000000..74884fb --- /dev/null +++ b/vendor/libssh2-1.4.2/include/libssh2_sftp.h @@ -0,0 +1,345 @@ +/* Copyright (c) 2004-2008, Sara Golemon + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#ifndef LIBSSH2_SFTP_H +#define LIBSSH2_SFTP_H 1 + +#include "libssh2.h" + +#ifndef WIN32 +#include +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* Note: Version 6 was documented at the time of writing + * However it was marked as "DO NOT IMPLEMENT" due to pending changes + * + * Let's start with Version 3 (The version found in OpenSSH) and go from there + */ +#define LIBSSH2_SFTP_VERSION 3 + +typedef struct _LIBSSH2_SFTP LIBSSH2_SFTP; +typedef struct _LIBSSH2_SFTP_HANDLE LIBSSH2_SFTP_HANDLE; +typedef struct _LIBSSH2_SFTP_ATTRIBUTES LIBSSH2_SFTP_ATTRIBUTES; +typedef struct _LIBSSH2_SFTP_STATVFS LIBSSH2_SFTP_STATVFS; + +/* Flags for open_ex() */ +#define LIBSSH2_SFTP_OPENFILE 0 +#define LIBSSH2_SFTP_OPENDIR 1 + +/* Flags for rename_ex() */ +#define LIBSSH2_SFTP_RENAME_OVERWRITE 0x00000001 +#define LIBSSH2_SFTP_RENAME_ATOMIC 0x00000002 +#define LIBSSH2_SFTP_RENAME_NATIVE 0x00000004 + +/* Flags for stat_ex() */ +#define LIBSSH2_SFTP_STAT 0 +#define LIBSSH2_SFTP_LSTAT 1 +#define LIBSSH2_SFTP_SETSTAT 2 + +/* Flags for symlink_ex() */ +#define LIBSSH2_SFTP_SYMLINK 0 +#define LIBSSH2_SFTP_READLINK 1 +#define LIBSSH2_SFTP_REALPATH 2 + +/* SFTP attribute flag bits */ +#define LIBSSH2_SFTP_ATTR_SIZE 0x00000001 +#define LIBSSH2_SFTP_ATTR_UIDGID 0x00000002 +#define LIBSSH2_SFTP_ATTR_PERMISSIONS 0x00000004 +#define LIBSSH2_SFTP_ATTR_ACMODTIME 0x00000008 +#define LIBSSH2_SFTP_ATTR_EXTENDED 0x80000000 + +/* SFTP statvfs flag bits */ +#define LIBSSH2_SFTP_ST_RDONLY 0x00000001 +#define LIBSSH2_SFTP_ST_NOSUID 0x00000002 + +struct _LIBSSH2_SFTP_ATTRIBUTES { + /* If flags & ATTR_* bit is set, then the value in this struct will be + * meaningful Otherwise it should be ignored + */ + unsigned long flags; + + libssh2_uint64_t filesize; + unsigned long uid, gid; + unsigned long permissions; + unsigned long atime, mtime; +}; + +struct _LIBSSH2_SFTP_STATVFS { + libssh2_uint64_t f_bsize; /* file system block size */ + libssh2_uint64_t f_frsize; /* fragment size */ + libssh2_uint64_t f_blocks; /* size of fs in f_frsize units */ + libssh2_uint64_t f_bfree; /* # free blocks */ + libssh2_uint64_t f_bavail; /* # free blocks for non-root */ + libssh2_uint64_t f_files; /* # inodes */ + libssh2_uint64_t f_ffree; /* # free inodes */ + libssh2_uint64_t f_favail; /* # free inodes for non-root */ + libssh2_uint64_t f_fsid; /* file system ID */ + libssh2_uint64_t f_flag; /* mount flags */ + libssh2_uint64_t f_namemax; /* maximum filename length */ +}; + +/* SFTP filetypes */ +#define LIBSSH2_SFTP_TYPE_REGULAR 1 +#define LIBSSH2_SFTP_TYPE_DIRECTORY 2 +#define LIBSSH2_SFTP_TYPE_SYMLINK 3 +#define LIBSSH2_SFTP_TYPE_SPECIAL 4 +#define LIBSSH2_SFTP_TYPE_UNKNOWN 5 +#define LIBSSH2_SFTP_TYPE_SOCKET 6 +#define LIBSSH2_SFTP_TYPE_CHAR_DEVICE 7 +#define LIBSSH2_SFTP_TYPE_BLOCK_DEVICE 8 +#define LIBSSH2_SFTP_TYPE_FIFO 9 + +/* + * Reproduce the POSIX file modes here for systems that are not POSIX + * compliant. + * + * These is used in "permissions" of "struct _LIBSSH2_SFTP_ATTRIBUTES" + */ +/* File type */ +#define LIBSSH2_SFTP_S_IFMT 0170000 /* type of file mask */ +#define LIBSSH2_SFTP_S_IFIFO 0010000 /* named pipe (fifo) */ +#define LIBSSH2_SFTP_S_IFCHR 0020000 /* character special */ +#define LIBSSH2_SFTP_S_IFDIR 0040000 /* directory */ +#define LIBSSH2_SFTP_S_IFBLK 0060000 /* block special */ +#define LIBSSH2_SFTP_S_IFREG 0100000 /* regular */ +#define LIBSSH2_SFTP_S_IFLNK 0120000 /* symbolic link */ +#define LIBSSH2_SFTP_S_IFSOCK 0140000 /* socket */ + +/* File mode */ +/* Read, write, execute/search by owner */ +#define LIBSSH2_SFTP_S_IRWXU 0000700 /* RWX mask for owner */ +#define LIBSSH2_SFTP_S_IRUSR 0000400 /* R for owner */ +#define LIBSSH2_SFTP_S_IWUSR 0000200 /* W for owner */ +#define LIBSSH2_SFTP_S_IXUSR 0000100 /* X for owner */ +/* Read, write, execute/search by group */ +#define LIBSSH2_SFTP_S_IRWXG 0000070 /* RWX mask for group */ +#define LIBSSH2_SFTP_S_IRGRP 0000040 /* R for group */ +#define LIBSSH2_SFTP_S_IWGRP 0000020 /* W for group */ +#define LIBSSH2_SFTP_S_IXGRP 0000010 /* X for group */ +/* Read, write, execute/search by others */ +#define LIBSSH2_SFTP_S_IRWXO 0000007 /* RWX mask for other */ +#define LIBSSH2_SFTP_S_IROTH 0000004 /* R for other */ +#define LIBSSH2_SFTP_S_IWOTH 0000002 /* W for other */ +#define LIBSSH2_SFTP_S_IXOTH 0000001 /* X for other */ + +/* macros to check for specific file types, added in 1.2.5 */ +#define LIBSSH2_SFTP_S_ISLNK(m) \ + (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFLNK) +#define LIBSSH2_SFTP_S_ISREG(m) \ + (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFREG) +#define LIBSSH2_SFTP_S_ISDIR(m) \ + (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFDIR) +#define LIBSSH2_SFTP_S_ISCHR(m) \ + (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFCHR) +#define LIBSSH2_SFTP_S_ISBLK(m) \ + (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFBLK) +#define LIBSSH2_SFTP_S_ISFIFO(m) \ + (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFIFO) +#define LIBSSH2_SFTP_S_ISSOCK(m) \ + (((m) & LIBSSH2_SFTP_S_IFMT) == LIBSSH2_SFTP_S_IFSOCK) + +/* SFTP File Transfer Flags -- (e.g. flags parameter to sftp_open()) + * Danger will robinson... APPEND doesn't have any effect on OpenSSH servers */ +#define LIBSSH2_FXF_READ 0x00000001 +#define LIBSSH2_FXF_WRITE 0x00000002 +#define LIBSSH2_FXF_APPEND 0x00000004 +#define LIBSSH2_FXF_CREAT 0x00000008 +#define LIBSSH2_FXF_TRUNC 0x00000010 +#define LIBSSH2_FXF_EXCL 0x00000020 + +/* SFTP Status Codes (returned by libssh2_sftp_last_error() ) */ +#define LIBSSH2_FX_OK 0 +#define LIBSSH2_FX_EOF 1 +#define LIBSSH2_FX_NO_SUCH_FILE 2 +#define LIBSSH2_FX_PERMISSION_DENIED 3 +#define LIBSSH2_FX_FAILURE 4 +#define LIBSSH2_FX_BAD_MESSAGE 5 +#define LIBSSH2_FX_NO_CONNECTION 6 +#define LIBSSH2_FX_CONNECTION_LOST 7 +#define LIBSSH2_FX_OP_UNSUPPORTED 8 +#define LIBSSH2_FX_INVALID_HANDLE 9 +#define LIBSSH2_FX_NO_SUCH_PATH 10 +#define LIBSSH2_FX_FILE_ALREADY_EXISTS 11 +#define LIBSSH2_FX_WRITE_PROTECT 12 +#define LIBSSH2_FX_NO_MEDIA 13 +#define LIBSSH2_FX_NO_SPACE_ON_FILESYSTEM 14 +#define LIBSSH2_FX_QUOTA_EXCEEDED 15 +#define LIBSSH2_FX_UNKNOWN_PRINCIPLE 16 /* Initial mis-spelling */ +#define LIBSSH2_FX_UNKNOWN_PRINCIPAL 16 +#define LIBSSH2_FX_LOCK_CONFlICT 17 /* Initial mis-spelling */ +#define LIBSSH2_FX_LOCK_CONFLICT 17 +#define LIBSSH2_FX_DIR_NOT_EMPTY 18 +#define LIBSSH2_FX_NOT_A_DIRECTORY 19 +#define LIBSSH2_FX_INVALID_FILENAME 20 +#define LIBSSH2_FX_LINK_LOOP 21 + +/* Returned by any function that would block during a read/write opperation */ +#define LIBSSH2SFTP_EAGAIN LIBSSH2_ERROR_EAGAIN + +/* SFTP API */ +LIBSSH2_API LIBSSH2_SFTP *libssh2_sftp_init(LIBSSH2_SESSION *session); +LIBSSH2_API int libssh2_sftp_shutdown(LIBSSH2_SFTP *sftp); +LIBSSH2_API unsigned long libssh2_sftp_last_error(LIBSSH2_SFTP *sftp); +LIBSSH2_API LIBSSH2_CHANNEL *libssh2_sftp_get_channel(LIBSSH2_SFTP *sftp); + +/* File / Directory Ops */ +LIBSSH2_API LIBSSH2_SFTP_HANDLE *libssh2_sftp_open_ex(LIBSSH2_SFTP *sftp, + const char *filename, + unsigned int filename_len, + unsigned long flags, + long mode, int open_type); +#define libssh2_sftp_open(sftp, filename, flags, mode) \ + libssh2_sftp_open_ex((sftp), (filename), strlen(filename), (flags), \ + (mode), LIBSSH2_SFTP_OPENFILE) +#define libssh2_sftp_opendir(sftp, path) \ + libssh2_sftp_open_ex((sftp), (path), strlen(path), 0, 0, \ + LIBSSH2_SFTP_OPENDIR) + +LIBSSH2_API ssize_t libssh2_sftp_read(LIBSSH2_SFTP_HANDLE *handle, + char *buffer, size_t buffer_maxlen); + +LIBSSH2_API int libssh2_sftp_readdir_ex(LIBSSH2_SFTP_HANDLE *handle, \ + char *buffer, size_t buffer_maxlen, + char *longentry, + size_t longentry_maxlen, + LIBSSH2_SFTP_ATTRIBUTES *attrs); +#define libssh2_sftp_readdir(handle, buffer, buffer_maxlen, attrs) \ + libssh2_sftp_readdir_ex((handle), (buffer), (buffer_maxlen), NULL, 0, \ + (attrs)) + +LIBSSH2_API ssize_t libssh2_sftp_write(LIBSSH2_SFTP_HANDLE *handle, + const char *buffer, size_t count); + +LIBSSH2_API int libssh2_sftp_close_handle(LIBSSH2_SFTP_HANDLE *handle); +#define libssh2_sftp_close(handle) libssh2_sftp_close_handle(handle) +#define libssh2_sftp_closedir(handle) libssh2_sftp_close_handle(handle) + +LIBSSH2_API void libssh2_sftp_seek(LIBSSH2_SFTP_HANDLE *handle, size_t offset); +LIBSSH2_API void libssh2_sftp_seek64(LIBSSH2_SFTP_HANDLE *handle, + libssh2_uint64_t offset); +#define libssh2_sftp_rewind(handle) libssh2_sftp_seek64((handle), 0) + +LIBSSH2_API size_t libssh2_sftp_tell(LIBSSH2_SFTP_HANDLE *handle); +LIBSSH2_API libssh2_uint64_t libssh2_sftp_tell64(LIBSSH2_SFTP_HANDLE *handle); + +LIBSSH2_API int libssh2_sftp_fstat_ex(LIBSSH2_SFTP_HANDLE *handle, + LIBSSH2_SFTP_ATTRIBUTES *attrs, + int setstat); +#define libssh2_sftp_fstat(handle, attrs) \ + libssh2_sftp_fstat_ex((handle), (attrs), 0) +#define libssh2_sftp_fsetstat(handle, attrs) \ + libssh2_sftp_fstat_ex((handle), (attrs), 1) + +/* Miscellaneous Ops */ +LIBSSH2_API int libssh2_sftp_rename_ex(LIBSSH2_SFTP *sftp, + const char *source_filename, + unsigned int srouce_filename_len, + const char *dest_filename, + unsigned int dest_filename_len, + long flags); +#define libssh2_sftp_rename(sftp, sourcefile, destfile) \ + libssh2_sftp_rename_ex((sftp), (sourcefile), strlen(sourcefile), \ + (destfile), strlen(destfile), \ + LIBSSH2_SFTP_RENAME_OVERWRITE | \ + LIBSSH2_SFTP_RENAME_ATOMIC | \ + LIBSSH2_SFTP_RENAME_NATIVE) + +LIBSSH2_API int libssh2_sftp_unlink_ex(LIBSSH2_SFTP *sftp, + const char *filename, + unsigned int filename_len); +#define libssh2_sftp_unlink(sftp, filename) \ + libssh2_sftp_unlink_ex((sftp), (filename), strlen(filename)) + +LIBSSH2_API int libssh2_sftp_fstatvfs(LIBSSH2_SFTP_HANDLE *handle, + LIBSSH2_SFTP_STATVFS *st); + +LIBSSH2_API int libssh2_sftp_statvfs(LIBSSH2_SFTP *sftp, + const char *path, + size_t path_len, + LIBSSH2_SFTP_STATVFS *st); + +LIBSSH2_API int libssh2_sftp_mkdir_ex(LIBSSH2_SFTP *sftp, + const char *path, + unsigned int path_len, long mode); +#define libssh2_sftp_mkdir(sftp, path, mode) \ + libssh2_sftp_mkdir_ex((sftp), (path), strlen(path), (mode)) + +LIBSSH2_API int libssh2_sftp_rmdir_ex(LIBSSH2_SFTP *sftp, + const char *path, + unsigned int path_len); +#define libssh2_sftp_rmdir(sftp, path) \ + libssh2_sftp_rmdir_ex((sftp), (path), strlen(path)) + +LIBSSH2_API int libssh2_sftp_stat_ex(LIBSSH2_SFTP *sftp, + const char *path, + unsigned int path_len, + int stat_type, + LIBSSH2_SFTP_ATTRIBUTES *attrs); +#define libssh2_sftp_stat(sftp, path, attrs) \ + libssh2_sftp_stat_ex((sftp), (path), strlen(path), LIBSSH2_SFTP_STAT, \ + (attrs)) +#define libssh2_sftp_lstat(sftp, path, attrs) \ + libssh2_sftp_stat_ex((sftp), (path), strlen(path), LIBSSH2_SFTP_LSTAT, \ + (attrs)) +#define libssh2_sftp_setstat(sftp, path, attrs) \ + libssh2_sftp_stat_ex((sftp), (path), strlen(path), LIBSSH2_SFTP_SETSTAT, \ + (attrs)) + +LIBSSH2_API int libssh2_sftp_symlink_ex(LIBSSH2_SFTP *sftp, + const char *path, + unsigned int path_len, + char *target, + unsigned int target_len, int link_type); +#define libssh2_sftp_symlink(sftp, orig, linkpath) \ + libssh2_sftp_symlink_ex((sftp), (orig), strlen(orig), (linkpath), \ + strlen(linkpath), LIBSSH2_SFTP_SYMLINK) +#define libssh2_sftp_readlink(sftp, path, target, maxlen) \ + libssh2_sftp_symlink_ex((sftp), (path), strlen(path), (target), (maxlen), \ + LIBSSH2_SFTP_READLINK) +#define libssh2_sftp_realpath(sftp, path, target, maxlen) \ + libssh2_sftp_symlink_ex((sftp), (path), strlen(path), (target), (maxlen), \ + LIBSSH2_SFTP_REALPATH) + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* LIBSSH2_SFTP_H */ diff --git a/vendor/libssh2-1.4.2/libssh2_debug.a b/vendor/libssh2-1.4.2/libssh2_debug.a new file mode 100644 index 0000000..f08659b Binary files /dev/null and b/vendor/libssh2-1.4.2/libssh2_debug.a differ diff --git a/vendor/libssh2-1.4.2/src/agent.c b/vendor/libssh2-1.4.2/src/agent.c new file mode 100644 index 0000000..1c65149 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/agent.c @@ -0,0 +1,793 @@ +/* + * Copyright (c) 2009 by Daiki Ueno + * Copyright (C) 2010 by Daniel Stenberg + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" +#include "misc.h" +#include +#ifdef HAVE_SYS_UN_H +#include +#else +/* Use the existence of sys/un.h as a test if Unix domain socket is + supported. winsock*.h define PF_UNIX/AF_UNIX but do not actually + support them. */ +#undef PF_UNIX +#endif +#include "userauth.h" +#include "session.h" + +/* Requests from client to agent for protocol 1 key operations */ +#define SSH_AGENTC_REQUEST_RSA_IDENTITIES 1 +#define SSH_AGENTC_RSA_CHALLENGE 3 +#define SSH_AGENTC_ADD_RSA_IDENTITY 7 +#define SSH_AGENTC_REMOVE_RSA_IDENTITY 8 +#define SSH_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9 +#define SSH_AGENTC_ADD_RSA_ID_CONSTRAINED 24 + +/* Requests from client to agent for protocol 2 key operations */ +#define SSH2_AGENTC_REQUEST_IDENTITIES 11 +#define SSH2_AGENTC_SIGN_REQUEST 13 +#define SSH2_AGENTC_ADD_IDENTITY 17 +#define SSH2_AGENTC_REMOVE_IDENTITY 18 +#define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19 +#define SSH2_AGENTC_ADD_ID_CONSTRAINED 25 + +/* Key-type independent requests from client to agent */ +#define SSH_AGENTC_ADD_SMARTCARD_KEY 20 +#define SSH_AGENTC_REMOVE_SMARTCARD_KEY 21 +#define SSH_AGENTC_LOCK 22 +#define SSH_AGENTC_UNLOCK 23 +#define SSH_AGENTC_ADD_SMARTCARD_KEY_CONSTRAINED 26 + +/* Generic replies from agent to client */ +#define SSH_AGENT_FAILURE 5 +#define SSH_AGENT_SUCCESS 6 + +/* Replies from agent to client for protocol 1 key operations */ +#define SSH_AGENT_RSA_IDENTITIES_ANSWER 2 +#define SSH_AGENT_RSA_RESPONSE 4 + +/* Replies from agent to client for protocol 2 key operations */ +#define SSH2_AGENT_IDENTITIES_ANSWER 12 +#define SSH2_AGENT_SIGN_RESPONSE 14 + +/* Key constraint identifiers */ +#define SSH_AGENT_CONSTRAIN_LIFETIME 1 +#define SSH_AGENT_CONSTRAIN_CONFIRM 2 + +/* non-blocking mode on agent connection is not yet implemented, but + for future use. */ +typedef enum { + agent_NB_state_init = 0, + agent_NB_state_request_created, + agent_NB_state_request_length_sent, + agent_NB_state_request_sent, + agent_NB_state_response_length_received, + agent_NB_state_response_received +} agent_nonblocking_states; + +typedef struct agent_transaction_ctx { + unsigned char *request; + size_t request_len; + unsigned char *response; + size_t response_len; + agent_nonblocking_states state; +} *agent_transaction_ctx_t; + +typedef int (*agent_connect_func)(LIBSSH2_AGENT *agent); +typedef int (*agent_transact_func)(LIBSSH2_AGENT *agent, + agent_transaction_ctx_t transctx); +typedef int (*agent_disconnect_func)(LIBSSH2_AGENT *agent); + +struct agent_publickey { + struct list_node node; + + /* this is the struct we expose externally */ + struct libssh2_agent_publickey external; +}; + +struct agent_ops { + agent_connect_func connect; + agent_transact_func transact; + agent_disconnect_func disconnect; +}; + +struct _LIBSSH2_AGENT +{ + LIBSSH2_SESSION *session; /* the session this "belongs to" */ + + libssh2_socket_t fd; + + struct agent_ops *ops; + + struct agent_transaction_ctx transctx; + struct agent_publickey *identity; + struct list_head head; /* list of public keys */ +}; + +#ifdef PF_UNIX +static int +agent_connect_unix(LIBSSH2_AGENT *agent) +{ + const char *path; + struct sockaddr_un s_un; + + path = getenv("SSH_AUTH_SOCK"); + if (!path) + return _libssh2_error(agent->session, LIBSSH2_ERROR_BAD_USE, + "no auth sock variable"); + + agent->fd = socket(PF_UNIX, SOCK_STREAM, 0); + if (agent->fd < 0) + return _libssh2_error(agent->session, LIBSSH2_ERROR_BAD_SOCKET, + "failed creating socket"); + + s_un.sun_family = AF_UNIX; + strncpy (s_un.sun_path, path, sizeof s_un.sun_path); + if (connect(agent->fd, (struct sockaddr*)(&s_un), sizeof s_un) != 0) { + close (agent->fd); + return _libssh2_error(agent->session, LIBSSH2_ERROR_AGENT_PROTOCOL, + "failed connecting with agent"); + } + + return LIBSSH2_ERROR_NONE; +} + +static int +agent_transact_unix(LIBSSH2_AGENT *agent, agent_transaction_ctx_t transctx) +{ + unsigned char buf[4]; + int rc; + + /* Send the length of the request */ + if (transctx->state == agent_NB_state_request_created) { + _libssh2_htonu32(buf, transctx->request_len); + rc = LIBSSH2_SEND_FD(agent->session, agent->fd, buf, sizeof buf, 0); + if (rc == -EAGAIN) + return LIBSSH2_ERROR_EAGAIN; + else if (rc < 0) + return _libssh2_error(agent->session, LIBSSH2_ERROR_SOCKET_SEND, + "agent send failed"); + transctx->state = agent_NB_state_request_length_sent; + } + + /* Send the request body */ + if (transctx->state == agent_NB_state_request_length_sent) { + rc = LIBSSH2_SEND_FD(agent->session, agent->fd, transctx->request, + transctx->request_len, 0); + if (rc == -EAGAIN) + return LIBSSH2_ERROR_EAGAIN; + else if (rc < 0) + return _libssh2_error(agent->session, LIBSSH2_ERROR_SOCKET_SEND, + "agent send failed"); + transctx->state = agent_NB_state_request_sent; + } + + /* Receive the length of a response */ + if (transctx->state == agent_NB_state_request_sent) { + rc = LIBSSH2_RECV_FD(agent->session, agent->fd, buf, sizeof buf, 0); + if (rc < 0) { + if (rc == -EAGAIN) + return LIBSSH2_ERROR_EAGAIN; + return _libssh2_error(agent->session, LIBSSH2_ERROR_SOCKET_RECV, + "agent recv failed"); + } + transctx->response_len = _libssh2_ntohu32(buf); + transctx->response = LIBSSH2_ALLOC(agent->session, + transctx->response_len); + if (!transctx->response) + return LIBSSH2_ERROR_ALLOC; + + transctx->state = agent_NB_state_response_length_received; + } + + /* Receive the response body */ + if (transctx->state == agent_NB_state_response_length_received) { + rc = LIBSSH2_RECV_FD(agent->session, agent->fd, transctx->response, + transctx->response_len, 0); + if (rc < 0) { + if (rc == -EAGAIN) + return LIBSSH2_ERROR_EAGAIN; + return _libssh2_error(agent->session, LIBSSH2_ERROR_SOCKET_SEND, + "agent recv failed"); + } + transctx->state = agent_NB_state_response_received; + } + + return 0; +} + +static int +agent_disconnect_unix(LIBSSH2_AGENT *agent) +{ + int ret; + ret = close(agent->fd); + + if(ret == -1) + return _libssh2_error(agent->session, LIBSSH2_ERROR_SOCKET_DISCONNECT, + "failed closing the agent socket"); + return LIBSSH2_ERROR_NONE; +} + +struct agent_ops agent_ops_unix = { + agent_connect_unix, + agent_transact_unix, + agent_disconnect_unix +}; +#endif /* PF_UNIX */ + +#ifdef WIN32 +/* Code to talk to Pageant was taken from PuTTY. + * + * Portions copyright Robert de Bath, Joris van Rantwijk, Delian + * Delchev, Andreas Schultz, Jeroen Massar, Wez Furlong, Nicolas + * Barry, Justin Bradford, Ben Harris, Malcolm Smith, Ahmad Khalifa, + * Markus Kuhn, Colin Watson, and CORE SDI S.A. + */ +#define PAGEANT_COPYDATA_ID 0x804e50ba /* random goop */ +#define PAGEANT_MAX_MSGLEN 8192 + +static int +agent_connect_pageant(LIBSSH2_AGENT *agent) +{ + HWND hwnd; + hwnd = FindWindow("Pageant", "Pageant"); + if (!hwnd) + return _libssh2_error(agent->session, LIBSSH2_ERROR_AGENT_PROTOCOL, + "failed connecting agent"); + agent->fd = 0; /* Mark as the connection has been established */ + return LIBSSH2_ERROR_NONE; +} + +static int +agent_transact_pageant(LIBSSH2_AGENT *agent, agent_transaction_ctx_t transctx) +{ + HWND hwnd; + char mapname[23]; + HANDLE filemap; + unsigned char *p; + unsigned char *p2; + int id; + COPYDATASTRUCT cds; + + if (!transctx || 4 + transctx->request_len > PAGEANT_MAX_MSGLEN) + return _libssh2_error(agent->session, LIBSSH2_ERROR_INVAL, + "illegal input"); + + hwnd = FindWindow("Pageant", "Pageant"); + if (!hwnd) + return _libssh2_error(agent->session, LIBSSH2_ERROR_AGENT_PROTOCOL, + "found no pageant"); + + sprintf(mapname, "PageantRequest%08x", (unsigned)GetCurrentThreadId()); + filemap = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, + 0, PAGEANT_MAX_MSGLEN, mapname); + + if (filemap == NULL || filemap == INVALID_HANDLE_VALUE) + return _libssh2_error(agent->session, LIBSSH2_ERROR_AGENT_PROTOCOL, + "failed setting up pageant filemap"); + + p2 = p = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0); + _libssh2_store_str(&p2, (const char *)transctx->request, + transctx->request_len); + + cds.dwData = PAGEANT_COPYDATA_ID; + cds.cbData = 1 + strlen(mapname); + cds.lpData = mapname; + + id = SendMessage(hwnd, WM_COPYDATA, (WPARAM) NULL, (LPARAM) &cds); + if (id > 0) { + transctx->response_len = _libssh2_ntohu32(p); + if (transctx->response_len > PAGEANT_MAX_MSGLEN) { + UnmapViewOfFile(p); + CloseHandle(filemap); + return _libssh2_error(agent->session, LIBSSH2_ERROR_AGENT_PROTOCOL, + "agent setup fail"); + } + transctx->response = LIBSSH2_ALLOC(agent->session, + transctx->response_len); + if (!transctx->response) { + UnmapViewOfFile(p); + CloseHandle(filemap); + return _libssh2_error(agent->session, LIBSSH2_ERROR_ALLOC, + "agent malloc"); + } + memcpy(transctx->response, p + 4, transctx->response_len); + } + + UnmapViewOfFile(p); + CloseHandle(filemap); + return 0; +} + +static int +agent_disconnect_pageant(LIBSSH2_AGENT *agent) +{ + agent->fd = LIBSSH2_INVALID_SOCKET; + return 0; +} + +struct agent_ops agent_ops_pageant = { + agent_connect_pageant, + agent_transact_pageant, + agent_disconnect_pageant +}; +#endif /* WIN32 */ + +static struct { + const char *name; + struct agent_ops *ops; +} supported_backends[] = { +#ifdef WIN32 + {"Pageant", &agent_ops_pageant}, +#endif /* WIN32 */ +#ifdef PF_UNIX + {"Unix", &agent_ops_unix}, +#endif /* PF_UNIX */ + {NULL, NULL} +}; + +static int +agent_sign(LIBSSH2_SESSION *session, unsigned char **sig, size_t *sig_len, + const unsigned char *data, size_t data_len, void **abstract) +{ + LIBSSH2_AGENT *agent = (LIBSSH2_AGENT *) (*abstract); + agent_transaction_ctx_t transctx = &agent->transctx; + struct agent_publickey *identity = agent->identity; + ssize_t len = 1 + 4 + identity->external.blob_len + 4 + data_len + 4; + ssize_t method_len; + unsigned char *s; + int rc; + + /* Create a request to sign the data */ + if (transctx->state == agent_NB_state_init) { + s = transctx->request = LIBSSH2_ALLOC(session, len); + if (!transctx->request) + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "out of memory"); + + *s++ = SSH2_AGENTC_SIGN_REQUEST; + /* key blob */ + _libssh2_store_str(&s, (const char *)identity->external.blob, + identity->external.blob_len); + /* data */ + _libssh2_store_str(&s, (const char *)data, data_len); + + /* flags */ + _libssh2_store_u32(&s, 0); + + transctx->request_len = s - transctx->request; + transctx->state = agent_NB_state_request_created; + } + + /* Make sure to be re-called as a result of EAGAIN. */ + if (*transctx->request != SSH2_AGENTC_SIGN_REQUEST) + return _libssh2_error(session, LIBSSH2_ERROR_BAD_USE, + "illegal request"); + + if (!agent->ops) + /* if no agent has been connected, bail out */ + return _libssh2_error(session, LIBSSH2_ERROR_BAD_USE, + "agent not connected"); + + rc = agent->ops->transact(agent, transctx); + if (rc) { + goto error; + } + LIBSSH2_FREE(session, transctx->request); + transctx->request = NULL; + + len = transctx->response_len; + s = transctx->response; + len--; + if (len < 0) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + if (*s != SSH2_AGENT_SIGN_RESPONSE) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + s++; + + /* Skip the entire length of the signature */ + len -= 4; + if (len < 0) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + s += 4; + + /* Skip signing method */ + len -= 4; + if (len < 0) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + method_len = _libssh2_ntohu32(s); + s += 4; + len -= method_len; + if (len < 0) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + s += method_len; + + /* Read the signature */ + len -= 4; + if (len < 0) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + *sig_len = _libssh2_ntohu32(s); + s += 4; + len -= *sig_len; + if (len < 0) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + + *sig = LIBSSH2_ALLOC(session, *sig_len); + if (!*sig) { + rc = LIBSSH2_ERROR_ALLOC; + goto error; + } + memcpy(*sig, s, *sig_len); + + error: + LIBSSH2_FREE(session, transctx->request); + transctx->request = NULL; + + LIBSSH2_FREE(session, transctx->response); + transctx->response = NULL; + + return _libssh2_error(session, rc, "agent sign failure"); +} + +static int +agent_list_identities(LIBSSH2_AGENT *agent) +{ + agent_transaction_ctx_t transctx = &agent->transctx; + ssize_t len, num_identities; + unsigned char *s; + int rc; + unsigned char c = SSH2_AGENTC_REQUEST_IDENTITIES; + + /* Create a request to list identities */ + if (transctx->state == agent_NB_state_init) { + transctx->request = &c; + transctx->request_len = 1; + transctx->state = agent_NB_state_request_created; + } + + /* Make sure to be re-called as a result of EAGAIN. */ + if (*transctx->request != SSH2_AGENTC_REQUEST_IDENTITIES) + return _libssh2_error(agent->session, LIBSSH2_ERROR_BAD_USE, + "illegal agent request"); + + if (!agent->ops) + /* if no agent has been connected, bail out */ + return _libssh2_error(agent->session, LIBSSH2_ERROR_BAD_USE, + "agent not connected"); + + rc = agent->ops->transact(agent, transctx); + if (rc) { + goto error; + } + transctx->request = NULL; + + len = transctx->response_len; + s = transctx->response; + len--; + if (len < 0) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + if (*s != SSH2_AGENT_IDENTITIES_ANSWER) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + s++; + + /* Read the length of identities */ + len -= 4; + if (len < 0) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + num_identities = _libssh2_ntohu32(s); + s += 4; + + while (num_identities--) { + struct agent_publickey *identity; + ssize_t comment_len; + + identity = LIBSSH2_ALLOC(agent->session, sizeof *identity); + if (!identity) { + rc = LIBSSH2_ERROR_ALLOC; + goto error; + } + + /* Read the length of the blob */ + len -= 4; + if (len < 0) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + identity->external.blob_len = _libssh2_ntohu32(s); + s += 4; + + /* Read the blob */ + len -= identity->external.blob_len; + if (len < 0) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + identity->external.blob = LIBSSH2_ALLOC(agent->session, + identity->external.blob_len); + if (!identity->external.blob) { + rc = LIBSSH2_ERROR_ALLOC; + goto error; + } + memcpy(identity->external.blob, s, identity->external.blob_len); + s += identity->external.blob_len; + + /* Read the length of the comment */ + len -= 4; + if (len < 0) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + comment_len = _libssh2_ntohu32(s); + s += 4; + + /* Read the comment */ + len -= comment_len; + if (len < 0) { + rc = LIBSSH2_ERROR_AGENT_PROTOCOL; + goto error; + } + identity->external.comment = LIBSSH2_ALLOC(agent->session, + comment_len + 1); + if (!identity->external.comment) { + rc = LIBSSH2_ERROR_ALLOC; + goto error; + } + identity->external.comment[comment_len] = '\0'; + memcpy(identity->external.comment, s, comment_len); + s += comment_len; + + _libssh2_list_add(&agent->head, &identity->node); + } + error: + LIBSSH2_FREE(agent->session, transctx->response); + transctx->response = NULL; + + return _libssh2_error(agent->session, rc, + "agent list id failed"); +} + +static void +agent_free_identities(LIBSSH2_AGENT *agent) { + struct agent_publickey *node; + struct agent_publickey *next; + + for (node = _libssh2_list_first(&agent->head); node; node = next) { + next = _libssh2_list_next(&node->node); + LIBSSH2_FREE(agent->session, node->external.blob); + LIBSSH2_FREE(agent->session, node->external.comment); + LIBSSH2_FREE(agent->session, node); + } + _libssh2_list_init(&agent->head); +} + +#define AGENT_PUBLICKEY_MAGIC 0x3bdefed2 +/* + * agent_publickey_to_external() + * + * Copies data from the internal to the external representation struct. + * + */ +static struct libssh2_agent_publickey * +agent_publickey_to_external(struct agent_publickey *node) +{ + struct libssh2_agent_publickey *ext = &node->external; + + ext->magic = AGENT_PUBLICKEY_MAGIC; + ext->node = node; + + return ext; +} + +/* + * libssh2_agent_init + * + * Init an ssh-agent handle. Returns the pointer to the handle. + * + */ +LIBSSH2_API LIBSSH2_AGENT * +libssh2_agent_init(LIBSSH2_SESSION *session) +{ + LIBSSH2_AGENT *agent; + + agent = LIBSSH2_ALLOC(session, sizeof *agent); + if (!agent) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate space for agent connection"); + return NULL; + } + memset(agent, 0, sizeof *agent); + agent->session = session; + _libssh2_list_init(&agent->head); + + return agent; +} + +/* + * libssh2_agent_connect() + * + * Connect to an ssh-agent. + * + * Returns 0 if succeeded, or a negative value for error. + */ +LIBSSH2_API int +libssh2_agent_connect(LIBSSH2_AGENT *agent) +{ + int i, rc = -1; + for (i = 0; supported_backends[i].name; i++) { + agent->ops = supported_backends[i].ops; + rc = agent->ops->connect(agent); + if (!rc) + return 0; + } + return rc; +} + +/* + * libssh2_agent_list_identities() + * + * Request ssh-agent to list identities. + * + * Returns 0 if succeeded, or a negative value for error. + */ +LIBSSH2_API int +libssh2_agent_list_identities(LIBSSH2_AGENT *agent) +{ + memset(&agent->transctx, 0, sizeof agent->transctx); + /* Abondon the last fetched identities */ + agent_free_identities(agent); + return agent_list_identities(agent); +} + +/* + * libssh2_agent_get_identity() + * + * Traverse the internal list of public keys. Pass NULL to 'prev' to get + * the first one. Or pass a poiner to the previously returned one to get the + * next. + * + * Returns: + * 0 if a fine public key was stored in 'store' + * 1 if end of public keys + * [negative] on errors + */ +LIBSSH2_API int +libssh2_agent_get_identity(LIBSSH2_AGENT *agent, + struct libssh2_agent_publickey **ext, + struct libssh2_agent_publickey *oprev) +{ + struct agent_publickey *node; + if (oprev && oprev->node) { + /* we have a starting point */ + struct agent_publickey *prev = oprev->node; + + /* get the next node in the list */ + node = _libssh2_list_next(&prev->node); + } + else + node = _libssh2_list_first(&agent->head); + + if (!node) + /* no (more) node */ + return 1; + + *ext = agent_publickey_to_external(node); + + return 0; +} + +/* + * libssh2_agent_userauth() + * + * Do publickey user authentication with the help of ssh-agent. + * + * Returns 0 if succeeded, or a negative value for error. + */ +LIBSSH2_API int +libssh2_agent_userauth(LIBSSH2_AGENT *agent, + const char *username, + struct libssh2_agent_publickey *identity) +{ + void *abstract = agent; + int rc; + + if (agent->session->userauth_pblc_state == libssh2_NB_state_idle) { + memset(&agent->transctx, 0, sizeof agent->transctx); + agent->identity = identity->node; + } + + BLOCK_ADJUST(rc, agent->session, + _libssh2_userauth_publickey(agent->session, username, + strlen(username), + identity->blob, + identity->blob_len, + agent_sign, + &abstract)); + return rc; +} + +/* + * libssh2_agent_disconnect() + * + * Close a connection to an ssh-agent. + * + * Returns 0 if succeeded, or a negative value for error. + */ +LIBSSH2_API int +libssh2_agent_disconnect(LIBSSH2_AGENT *agent) +{ + if (agent->ops && agent->fd != LIBSSH2_INVALID_SOCKET) + return agent->ops->disconnect(agent); + return 0; +} + +/* + * libssh2_agent_free() + * + * Free an ssh-agent handle. This function also frees the internal + * collection of public keys. + */ +LIBSSH2_API void +libssh2_agent_free(LIBSSH2_AGENT *agent) { + /* Allow connection freeing when the socket has lost its connection */ + if (agent->fd != LIBSSH2_INVALID_SOCKET) { + libssh2_agent_disconnect(agent); + } + agent_free_identities(agent); + LIBSSH2_FREE(agent->session, agent); +} diff --git a/vendor/libssh2-1.4.2/src/channel.c b/vendor/libssh2-1.4.2/src/channel.c new file mode 100644 index 0000000..63e5d5b --- /dev/null +++ b/vendor/libssh2-1.4.2/src/channel.c @@ -0,0 +1,2570 @@ +/* Copyright (c) 2004-2007 Sara Golemon + * Copyright (c) 2005 Mikhail Gusarov + * Copyright (c) 2008-2011 by Daniel Stenberg + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" +#ifdef HAVE_UNISTD_H +#include +#endif +#include +#ifdef HAVE_INTTYPES_H +#include +#endif +#include + +#include "channel.h" +#include "transport.h" +#include "packet.h" +#include "session.h" + +/* + * _libssh2_channel_nextid + * + * Determine the next channel ID we can use at our end + */ +uint32_t +_libssh2_channel_nextid(LIBSSH2_SESSION * session) +{ + uint32_t id = session->next_channel; + LIBSSH2_CHANNEL *channel; + + channel = _libssh2_list_first(&session->channels); + + while (channel) { + if (channel->local.id > id) { + id = channel->local.id; + } + channel = _libssh2_list_next(&channel->node); + } + + /* This is a shortcut to avoid waiting for close packets on channels we've + * forgotten about, This *could* be a problem if we request and close 4 + * billion or so channels in too rapid succession for the remote end to + * respond, but the worst case scenario is that some data meant for + * another channel Gets picked up by the new one.... Pretty unlikely all + * told... + */ + session->next_channel = id + 1; + _libssh2_debug(session, LIBSSH2_TRACE_CONN, "Allocated new channel ID#%lu", + id); + return id; +} + +/* + * _libssh2_channel_locate + * + * Locate a channel pointer by number + */ +LIBSSH2_CHANNEL * +_libssh2_channel_locate(LIBSSH2_SESSION *session, uint32_t channel_id) +{ + LIBSSH2_CHANNEL *channel; + LIBSSH2_LISTENER *l; + + for(channel = _libssh2_list_first(&session->channels); + channel; + channel = _libssh2_list_next(&channel->node)) { + if (channel->local.id == channel_id) + return channel; + } + + /* We didn't find the channel in the session, let's then check its + listeners since each listener may have its own set of pending channels + */ + for(l = _libssh2_list_first(&session->listeners); l; + l = _libssh2_list_next(&l->node)) { + for(channel = _libssh2_list_first(&l->queue); + channel; + channel = _libssh2_list_next(&channel->node)) { + if (channel->local.id == channel_id) + return channel; + } + } + + return NULL; +} + +/* + * _libssh2_channel_open + * + * Establish a generic session channel + */ +LIBSSH2_CHANNEL * +_libssh2_channel_open(LIBSSH2_SESSION * session, const char *channel_type, + uint32_t channel_type_len, + uint32_t window_size, + uint32_t packet_size, + const unsigned char *message, + size_t message_len) +{ + static const unsigned char reply_codes[3] = { + SSH_MSG_CHANNEL_OPEN_CONFIRMATION, + SSH_MSG_CHANNEL_OPEN_FAILURE, + 0 + }; + unsigned char *s; + int rc; + + if (session->open_state == libssh2_NB_state_idle) { + session->open_channel = NULL; + session->open_packet = NULL; + session->open_data = NULL; + /* 17 = packet_type(1) + channel_type_len(4) + sender_channel(4) + + * window_size(4) + packet_size(4) */ + session->open_packet_len = channel_type_len + 17; + session->open_local_channel = _libssh2_channel_nextid(session); + + /* Zero the whole thing out */ + memset(&session->open_packet_requirev_state, 0, + sizeof(session->open_packet_requirev_state)); + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Opening Channel - win %d pack %d", window_size, + packet_size); + session->open_channel = + LIBSSH2_ALLOC(session, sizeof(LIBSSH2_CHANNEL)); + if (!session->open_channel) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate space for channel data"); + return NULL; + } + memset(session->open_channel, 0, sizeof(LIBSSH2_CHANNEL)); + + session->open_channel->channel_type_len = channel_type_len; + session->open_channel->channel_type = + LIBSSH2_ALLOC(session, channel_type_len); + if (!session->open_channel->channel_type) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Failed allocating memory for channel type name"); + LIBSSH2_FREE(session, session->open_channel); + session->open_channel = NULL; + return NULL; + } + memcpy(session->open_channel->channel_type, channel_type, + channel_type_len); + + /* REMEMBER: local as in locally sourced */ + session->open_channel->local.id = session->open_local_channel; + session->open_channel->remote.window_size = window_size; + session->open_channel->remote.window_size_initial = window_size; + session->open_channel->remote.packet_size = packet_size; + session->open_channel->session = session; + + _libssh2_list_add(&session->channels, + &session->open_channel->node); + + s = session->open_packet = + LIBSSH2_ALLOC(session, session->open_packet_len); + if (!session->open_packet) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate temporary space for packet"); + goto channel_error; + } + *(s++) = SSH_MSG_CHANNEL_OPEN; + _libssh2_store_str(&s, channel_type, channel_type_len); + _libssh2_store_u32(&s, session->open_local_channel); + _libssh2_store_u32(&s, window_size); + _libssh2_store_u32(&s, packet_size); + + /* Do not copy the message */ + + session->open_state = libssh2_NB_state_created; + } + + if (session->open_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, + session->open_packet, + session->open_packet_len, + message, message_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, rc, + "Would block sending channel-open request"); + return NULL; + } + else if (rc) { + _libssh2_error(session, rc, + "Unable to send channel-open request"); + goto channel_error; + } + + session->open_state = libssh2_NB_state_sent; + } + + if (session->open_state == libssh2_NB_state_sent) { + rc = _libssh2_packet_requirev(session, reply_codes, + &session->open_data, + &session->open_data_len, 1, + session->open_packet + 5 + + channel_type_len, 4, + &session->open_packet_requirev_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, "Would block"); + return NULL; + } else if (rc) { + goto channel_error; + } + + if (session->open_data[0] == SSH_MSG_CHANNEL_OPEN_CONFIRMATION) { + session->open_channel->remote.id = + _libssh2_ntohu32(session->open_data + 5); + session->open_channel->local.window_size = + _libssh2_ntohu32(session->open_data + 9); + session->open_channel->local.window_size_initial = + _libssh2_ntohu32(session->open_data + 9); + session->open_channel->local.packet_size = + _libssh2_ntohu32(session->open_data + 13); + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Connection Established - ID: %lu/%lu win: %lu/%lu" + " pack: %lu/%lu", + session->open_channel->local.id, + session->open_channel->remote.id, + session->open_channel->local.window_size, + session->open_channel->remote.window_size, + session->open_channel->local.packet_size, + session->open_channel->remote.packet_size); + LIBSSH2_FREE(session, session->open_packet); + session->open_packet = NULL; + LIBSSH2_FREE(session, session->open_data); + session->open_data = NULL; + + session->open_state = libssh2_NB_state_idle; + return session->open_channel; + } + + if (session->open_data[0] == SSH_MSG_CHANNEL_OPEN_FAILURE) { + _libssh2_error(session, LIBSSH2_ERROR_CHANNEL_FAILURE, + "Channel open failure"); + } + } + + channel_error: + + if (session->open_data) { + LIBSSH2_FREE(session, session->open_data); + session->open_data = NULL; + } + if (session->open_packet) { + LIBSSH2_FREE(session, session->open_packet); + session->open_packet = NULL; + } + if (session->open_channel) { + unsigned char channel_id[4]; + LIBSSH2_FREE(session, session->open_channel->channel_type); + + _libssh2_list_remove(&session->open_channel->node); + + /* Clear out packets meant for this channel */ + _libssh2_htonu32(channel_id, session->open_channel->local.id); + while ((_libssh2_packet_ask(session, SSH_MSG_CHANNEL_DATA, + &session->open_data, + &session->open_data_len, 1, + channel_id, 4) >= 0) + || + (_libssh2_packet_ask(session, SSH_MSG_CHANNEL_EXTENDED_DATA, + &session->open_data, + &session->open_data_len, 1, + channel_id, 4) >= 0)) { + LIBSSH2_FREE(session, session->open_data); + session->open_data = NULL; + } + + LIBSSH2_FREE(session, session->open_channel); + session->open_channel = NULL; + } + + session->open_state = libssh2_NB_state_idle; + return NULL; +} + +/* + * libssh2_channel_open_ex + * + * Establish a generic session channel + */ +LIBSSH2_API LIBSSH2_CHANNEL * +libssh2_channel_open_ex(LIBSSH2_SESSION *session, const char *type, + unsigned int type_len, + unsigned int window_size, unsigned int packet_size, + const char *msg, unsigned int msg_len) +{ + LIBSSH2_CHANNEL *ptr; + + if(!session) + return NULL; + + BLOCK_ADJUST_ERRNO(ptr, session, + _libssh2_channel_open(session, type, type_len, + window_size, packet_size, + (unsigned char *)msg, + msg_len)); + return ptr; +} + +/* + * libssh2_channel_direct_tcpip_ex + * + * Tunnel TCP/IP connect through the SSH session to direct host/port + */ +static LIBSSH2_CHANNEL * +channel_direct_tcpip(LIBSSH2_SESSION * session, const char *host, + int port, const char *shost, int sport) +{ + LIBSSH2_CHANNEL *channel; + unsigned char *s; + + if (session->direct_state == libssh2_NB_state_idle) { + session->direct_host_len = strlen(host); + session->direct_shost_len = strlen(shost); + /* host_len(4) + port(4) + shost_len(4) + sport(4) */ + session->direct_message_len = + session->direct_host_len + session->direct_shost_len + 16; + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Requesting direct-tcpip session to from %s:%d to %s:%d", + shost, sport, host, port); + + s = session->direct_message = + LIBSSH2_ALLOC(session, session->direct_message_len); + if (!session->direct_message) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for direct-tcpip connection"); + return NULL; + } + _libssh2_store_str(&s, host, session->direct_host_len); + _libssh2_store_u32(&s, port); + _libssh2_store_str(&s, shost, session->direct_shost_len); + _libssh2_store_u32(&s, sport); + } + + channel = + _libssh2_channel_open(session, "direct-tcpip", + sizeof("direct-tcpip") - 1, + LIBSSH2_CHANNEL_WINDOW_DEFAULT, + LIBSSH2_CHANNEL_PACKET_DEFAULT, + session->direct_message, + session->direct_message_len); + + if (!channel && + libssh2_session_last_errno(session) == LIBSSH2_ERROR_EAGAIN) { + /* The error code is still set to LIBSSH2_ERROR_EAGAIN, set our state + to created to avoid re-creating the package on next invoke */ + session->direct_state = libssh2_NB_state_created; + return NULL; + } + /* by default we set (keep?) idle state... */ + session->direct_state = libssh2_NB_state_idle; + + LIBSSH2_FREE(session, session->direct_message); + session->direct_message = NULL; + + return channel; +} + +/* + * libssh2_channel_direct_tcpip_ex + * + * Tunnel TCP/IP connect through the SSH session to direct host/port + */ +LIBSSH2_API LIBSSH2_CHANNEL * +libssh2_channel_direct_tcpip_ex(LIBSSH2_SESSION *session, const char *host, + int port, const char *shost, int sport) +{ + LIBSSH2_CHANNEL *ptr; + + if(!session) + return NULL; + + BLOCK_ADJUST_ERRNO(ptr, session, + channel_direct_tcpip(session, host, port, shost, sport)); + return ptr; +} + +/* + * channel_forward_listen + * + * Bind a port on the remote host and listen for connections + */ +static LIBSSH2_LISTENER * +channel_forward_listen(LIBSSH2_SESSION * session, const char *host, + int port, int *bound_port, int queue_maxsize) +{ + unsigned char *s; + static const unsigned char reply_codes[3] = + { SSH_MSG_REQUEST_SUCCESS, SSH_MSG_REQUEST_FAILURE, 0 }; + int rc; + + if(!host) + host = "0.0.0.0"; + + if (session->fwdLstn_state == libssh2_NB_state_idle) { + session->fwdLstn_host_len = strlen(host); + /* 14 = packet_type(1) + request_len(4) + want_replay(1) + host_len(4) + + port(4) */ + session->fwdLstn_packet_len = + session->fwdLstn_host_len + (sizeof("tcpip-forward") - 1) + 14; + + /* Zero the whole thing out */ + memset(&session->fwdLstn_packet_requirev_state, 0, + sizeof(session->fwdLstn_packet_requirev_state)); + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Requesting tcpip-forward session for %s:%d", host, + port); + + s = session->fwdLstn_packet = + LIBSSH2_ALLOC(session, session->fwdLstn_packet_len); + if (!session->fwdLstn_packet) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memeory for setenv packet"); + return NULL; + } + + *(s++) = SSH_MSG_GLOBAL_REQUEST; + _libssh2_store_str(&s, "tcpip-forward", sizeof("tcpip-forward") - 1); + *(s++) = 0x01; /* want_reply */ + + _libssh2_store_str(&s, host, session->fwdLstn_host_len); + _libssh2_store_u32(&s, port); + + session->fwdLstn_state = libssh2_NB_state_created; + } + + if (session->fwdLstn_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, + session->fwdLstn_packet, + session->fwdLstn_packet_len, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block sending global-request packet for " + "forward listen request"); + return NULL; + } + else if (rc) { + _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send global-request packet for forward " + "listen request"); + LIBSSH2_FREE(session, session->fwdLstn_packet); + session->fwdLstn_packet = NULL; + session->fwdLstn_state = libssh2_NB_state_idle; + return NULL; + } + LIBSSH2_FREE(session, session->fwdLstn_packet); + session->fwdLstn_packet = NULL; + + session->fwdLstn_state = libssh2_NB_state_sent; + } + + if (session->fwdLstn_state == libssh2_NB_state_sent) { + unsigned char *data; + size_t data_len; + rc = _libssh2_packet_requirev(session, reply_codes, &data, &data_len, + 0, NULL, 0, + &session->fwdLstn_packet_requirev_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, "Would block"); + return NULL; + } else if (rc) { + _libssh2_error(session, LIBSSH2_ERROR_PROTO, "Unknown"); + session->fwdLstn_state = libssh2_NB_state_idle; + return NULL; + } + + if (data[0] == SSH_MSG_REQUEST_SUCCESS) { + LIBSSH2_LISTENER *listener; + + listener = LIBSSH2_ALLOC(session, sizeof(LIBSSH2_LISTENER)); + if (!listener) + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for listener queue"); + else { + memset(listener, 0, sizeof(LIBSSH2_LISTENER)); + listener->host = + LIBSSH2_ALLOC(session, session->fwdLstn_host_len + 1); + if (!listener->host) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for listener queue"); + LIBSSH2_FREE(session, listener); + listener = NULL; + } + else { + listener->session = session; + memcpy(listener->host, host ? host : "0.0.0.0", + session->fwdLstn_host_len); + listener->host[session->fwdLstn_host_len] = 0; + if (data_len >= 5 && !port) { + listener->port = _libssh2_ntohu32(data + 1); + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Dynamic tcpip-forward port allocated: %d", + listener->port); + } + else + listener->port = port; + + listener->queue_size = 0; + listener->queue_maxsize = queue_maxsize; + + /* append this to the parent's list of listeners */ + _libssh2_list_add(&session->listeners, &listener->node); + + if (bound_port) { + *bound_port = listener->port; + } + } + } + + LIBSSH2_FREE(session, data); + session->fwdLstn_state = libssh2_NB_state_idle; + return listener; + } + else if (data[0] == SSH_MSG_REQUEST_FAILURE) { + LIBSSH2_FREE(session, data); + _libssh2_error(session, LIBSSH2_ERROR_REQUEST_DENIED, + "Unable to complete request for forward-listen"); + session->fwdLstn_state = libssh2_NB_state_idle; + return NULL; + } + } + + session->fwdLstn_state = libssh2_NB_state_idle; + + return NULL; +} + +/* + * libssh2_channel_forward_listen_ex + * + * Bind a port on the remote host and listen for connections + */ +LIBSSH2_API LIBSSH2_LISTENER * +libssh2_channel_forward_listen_ex(LIBSSH2_SESSION *session, const char *host, + int port, int *bound_port, int queue_maxsize) +{ + LIBSSH2_LISTENER *ptr; + + if(!session) + return NULL; + + BLOCK_ADJUST_ERRNO(ptr, session, + channel_forward_listen(session, host, port, bound_port, + queue_maxsize)); + return ptr; +} + +/* + * _libssh2_channel_forward_cancel + * + * Stop listening on a remote port and free the listener + * Toss out any pending (un-accept()ed) connections + * + * Return 0 on success, LIBSSH2_ERROR_EAGAIN if would block, -1 on error + */ +int _libssh2_channel_forward_cancel(LIBSSH2_LISTENER *listener) +{ + LIBSSH2_SESSION *session = listener->session; + LIBSSH2_CHANNEL *queued; + unsigned char *packet, *s; + size_t host_len = strlen(listener->host); + /* 14 = packet_type(1) + request_len(4) + want_replay(1) + host_len(4) + + port(4) */ + size_t packet_len = + host_len + 14 + sizeof("cancel-tcpip-forward") - 1; + int rc; + + if (listener->chanFwdCncl_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Cancelling tcpip-forward session for %s:%d", + listener->host, listener->port); + + s = packet = LIBSSH2_ALLOC(session, packet_len); + if (!packet) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memeory for setenv packet"); + return LIBSSH2_ERROR_ALLOC; + } + + *(s++) = SSH_MSG_GLOBAL_REQUEST; + _libssh2_store_str(&s, "cancel-tcpip-forward", + sizeof("cancel-tcpip-forward") - 1); + *(s++) = 0x00; /* want_reply */ + + _libssh2_store_str(&s, listener->host, host_len); + _libssh2_store_u32(&s, listener->port); + + listener->chanFwdCncl_state = libssh2_NB_state_created; + } else { + packet = listener->chanFwdCncl_data; + } + + if (listener->chanFwdCncl_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, packet, packet_len, NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, rc, + "Would block sending forward request"); + listener->chanFwdCncl_data = packet; + return rc; + } + else if (rc) { + _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send global-request packet for forward " + "listen request"); + LIBSSH2_FREE(session, packet); + listener->chanFwdCncl_state = libssh2_NB_state_idle; + return LIBSSH2_ERROR_SOCKET_SEND; + } + LIBSSH2_FREE(session, packet); + + listener->chanFwdCncl_state = libssh2_NB_state_sent; + } + + queued = _libssh2_list_first(&listener->queue); + while (queued) { + LIBSSH2_CHANNEL *next = _libssh2_list_next(&queued->node); + + rc = _libssh2_channel_free(queued); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } + queued = next; + } + LIBSSH2_FREE(session, listener->host); + + /* remove this entry from the parent's list of listeners */ + _libssh2_list_remove(&listener->node); + + LIBSSH2_FREE(session, listener); + + listener->chanFwdCncl_state = libssh2_NB_state_idle; + + return 0; +} + +/* + * libssh2_channel_forward_cancel + * + * Stop listening on a remote port and free the listener + * Toss out any pending (un-accept()ed) connections + * + * Return 0 on success, LIBSSH2_ERROR_EAGAIN if would block, -1 on error + */ +LIBSSH2_API int +libssh2_channel_forward_cancel(LIBSSH2_LISTENER *listener) +{ + int rc; + + if(!listener) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, listener->session, + _libssh2_channel_forward_cancel(listener)); + return rc; +} + +/* + * channel_forward_accept + * + * Accept a connection + */ +static LIBSSH2_CHANNEL * +channel_forward_accept(LIBSSH2_LISTENER *listener) +{ + int rc; + + do { + rc = _libssh2_transport_read(listener->session); + } while (rc > 0); + + if (_libssh2_list_first(&listener->queue)) { + LIBSSH2_CHANNEL *channel = _libssh2_list_first(&listener->queue); + + /* detach channel from listener's queue */ + _libssh2_list_remove(&channel->node); + + listener->queue_size--; + + /* add channel to session's channel list */ + _libssh2_list_add(&channel->session->channels, &channel->node); + + return channel; + } + + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(listener->session, LIBSSH2_ERROR_EAGAIN, + "Would block waiting for packet"); + } + else + _libssh2_error(listener->session, LIBSSH2_ERROR_CHANNEL_UNKNOWN, + "Channel not found"); + return NULL; +} + +/* + * libssh2_channel_forward_accept + * + * Accept a connection + */ +LIBSSH2_API LIBSSH2_CHANNEL * +libssh2_channel_forward_accept(LIBSSH2_LISTENER *listener) +{ + LIBSSH2_CHANNEL *ptr; + + if(!listener) + return NULL; + + BLOCK_ADJUST_ERRNO(ptr, listener->session, + channel_forward_accept(listener)); + return ptr; + +} + +/* + * channel_setenv + * + * Set an environment variable prior to requesting a shell/program/subsystem + */ +static int channel_setenv(LIBSSH2_CHANNEL *channel, + const char *varname, unsigned int varname_len, + const char *value, unsigned int value_len) +{ + LIBSSH2_SESSION *session = channel->session; + unsigned char *s, *data; + static const unsigned char reply_codes[3] = + { SSH_MSG_CHANNEL_SUCCESS, SSH_MSG_CHANNEL_FAILURE, 0 }; + size_t data_len; + int rc; + + if (channel->setenv_state == libssh2_NB_state_idle) { + /* 21 = packet_type(1) + channel_id(4) + request_len(4) + + * request(3)"env" + want_reply(1) + varname_len(4) + value_len(4) */ + channel->setenv_packet_len = varname_len + value_len + 21; + + /* Zero the whole thing out */ + memset(&channel->setenv_packet_requirev_state, 0, + sizeof(channel->setenv_packet_requirev_state)); + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Setting remote environment variable: %s=%s on " + "channel %lu/%lu", + varname, value, channel->local.id, channel->remote.id); + + s = channel->setenv_packet = + LIBSSH2_ALLOC(session, channel->setenv_packet_len); + if (!channel->setenv_packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memeory " + "for setenv packet"); + } + + *(s++) = SSH_MSG_CHANNEL_REQUEST; + _libssh2_store_u32(&s, channel->remote.id); + _libssh2_store_str(&s, "env", sizeof("env") - 1); + *(s++) = 0x01; + _libssh2_store_str(&s, varname, varname_len); + _libssh2_store_str(&s, value, value_len); + + channel->setenv_state = libssh2_NB_state_created; + } + + if (channel->setenv_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, + channel->setenv_packet, + channel->setenv_packet_len, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, rc, + "Would block sending setenv request"); + return rc; + } else if (rc) { + LIBSSH2_FREE(session, channel->setenv_packet); + channel->setenv_packet = NULL; + channel->setenv_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send channel-request packet for " + "setenv request"); + } + LIBSSH2_FREE(session, channel->setenv_packet); + channel->setenv_packet = NULL; + + _libssh2_htonu32(channel->setenv_local_channel, channel->local.id); + + channel->setenv_state = libssh2_NB_state_sent; + } + + if (channel->setenv_state == libssh2_NB_state_sent) { + rc = _libssh2_packet_requirev(session, reply_codes, &data, &data_len, + 1, channel->setenv_local_channel, 4, + &channel-> + setenv_packet_requirev_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } + if (rc) { + channel->setenv_state = libssh2_NB_state_idle; + return rc; + } + + if (data[0] == SSH_MSG_CHANNEL_SUCCESS) { + LIBSSH2_FREE(session, data); + channel->setenv_state = libssh2_NB_state_idle; + return 0; + } + + LIBSSH2_FREE(session, data); + } + + channel->setenv_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_CHANNEL_REQUEST_DENIED, + "Unable to complete request for channel-setenv"); +} + +/* + * libssh2_channel_setenv_ex + * + * Set an environment variable prior to requesting a shell/program/subsystem + */ +LIBSSH2_API int +libssh2_channel_setenv_ex(LIBSSH2_CHANNEL *channel, + const char *varname, unsigned int varname_len, + const char *value, unsigned int value_len) +{ + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, + channel_setenv(channel, varname, varname_len, + value, value_len)); + return rc; +} + +/* + * channel_request_pty + * Duh... Request a PTY + */ +static int channel_request_pty(LIBSSH2_CHANNEL *channel, + const char *term, unsigned int term_len, + const char *modes, unsigned int modes_len, + int width, int height, + int width_px, int height_px) +{ + LIBSSH2_SESSION *session = channel->session; + unsigned char *s; + static const unsigned char reply_codes[3] = + { SSH_MSG_CHANNEL_SUCCESS, SSH_MSG_CHANNEL_FAILURE, 0 }; + int rc; + + if (channel->reqPTY_state == libssh2_NB_state_idle) { + /* 41 = packet_type(1) + channel(4) + pty_req_len(4) + "pty_req"(7) + + * want_reply(1) + term_len(4) + width(4) + height(4) + width_px(4) + + * height_px(4) + modes_len(4) */ + if(term_len + modes_len > 256) { + return _libssh2_error(session, LIBSSH2_ERROR_INVAL, + "term + mode lengths too large"); + } + + channel->reqPTY_packet_len = term_len + modes_len + 41; + + /* Zero the whole thing out */ + memset(&channel->reqPTY_packet_requirev_state, 0, + sizeof(channel->reqPTY_packet_requirev_state)); + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Allocating tty on channel %lu/%lu", channel->local.id, + channel->remote.id); + + s = channel->reqPTY_packet; + + *(s++) = SSH_MSG_CHANNEL_REQUEST; + _libssh2_store_u32(&s, channel->remote.id); + _libssh2_store_str(&s, (char *)"pty-req", sizeof("pty-req") - 1); + + *(s++) = 0x01; + + _libssh2_store_str(&s, term, term_len); + _libssh2_store_u32(&s, width); + _libssh2_store_u32(&s, height); + _libssh2_store_u32(&s, width_px); + _libssh2_store_u32(&s, height_px); + _libssh2_store_str(&s, modes, modes_len); + + channel->reqPTY_state = libssh2_NB_state_created; + } + + if (channel->reqPTY_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, channel->reqPTY_packet, + channel->reqPTY_packet_len, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, rc, + "Would block sending pty request"); + return rc; + } else if (rc) { + channel->reqPTY_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Unable to send pty-request packet"); + } + _libssh2_htonu32(channel->reqPTY_local_channel, channel->local.id); + + channel->reqPTY_state = libssh2_NB_state_sent; + } + + if (channel->reqPTY_state == libssh2_NB_state_sent) { + unsigned char *data; + size_t data_len; + unsigned char code; + rc = _libssh2_packet_requirev(session, reply_codes, &data, &data_len, + 1, channel->reqPTY_local_channel, 4, + &channel->reqPTY_packet_requirev_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + channel->reqPTY_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_PROTO, + "Failed to require the PTY package"); + } + + code = data[0]; + + LIBSSH2_FREE(session, data); + channel->reqPTY_state = libssh2_NB_state_idle; + + if (code == SSH_MSG_CHANNEL_SUCCESS) + return 0; + } + + return _libssh2_error(session, LIBSSH2_ERROR_CHANNEL_REQUEST_DENIED, + "Unable to complete request for channel request-pty"); +} + +/* + * libssh2_channel_request_pty_ex + * Duh... Request a PTY + */ +LIBSSH2_API int +libssh2_channel_request_pty_ex(LIBSSH2_CHANNEL *channel, const char *term, + unsigned int term_len, const char *modes, + unsigned int modes_len, int width, int height, + int width_px, int height_px) +{ + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, + channel_request_pty(channel, term, term_len, modes, + modes_len, width, height, + width_px, height_px)); + return rc; +} + +static int +channel_request_pty_size(LIBSSH2_CHANNEL * channel, int width, + int height, int width_px, int height_px) +{ + LIBSSH2_SESSION *session = channel->session; + unsigned char *s; + int rc; + int retcode = LIBSSH2_ERROR_PROTO; + + if (channel->reqPTY_state == libssh2_NB_state_idle) { + channel->reqPTY_packet_len = 39; + + /* Zero the whole thing out */ + memset(&channel->reqPTY_packet_requirev_state, 0, + sizeof(channel->reqPTY_packet_requirev_state)); + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "changing tty size on channel %lu/%lu", + channel->local.id, + channel->remote.id); + + s = channel->reqPTY_packet; + + *(s++) = SSH_MSG_CHANNEL_REQUEST; + _libssh2_store_u32(&s, channel->remote.id); + _libssh2_store_str(&s, (char *)"window-change", + sizeof("window-change") - 1); + *(s++) = 0x00; /* Don't reply */ + _libssh2_store_u32(&s, width); + _libssh2_store_u32(&s, height); + _libssh2_store_u32(&s, width_px); + _libssh2_store_u32(&s, height_px); + + channel->reqPTY_state = libssh2_NB_state_created; + } + + if (channel->reqPTY_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, channel->reqPTY_packet, + channel->reqPTY_packet_len, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, rc, + "Would block sending window-change request"); + return rc; + } else if (rc) { + channel->reqPTY_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Unable to send window-change packet"); + } + _libssh2_htonu32(channel->reqPTY_local_channel, channel->local.id); + retcode = LIBSSH2_ERROR_NONE; + } + + channel->reqPTY_state = libssh2_NB_state_idle; + return retcode; +} + +LIBSSH2_API int +libssh2_channel_request_pty_size_ex(LIBSSH2_CHANNEL *channel, int width, + int height, int width_px, int height_px) +{ + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, + channel_request_pty_size(channel, width, height, width_px, + height_px)); + return rc; +} + +/* Keep this an even number */ +#define LIBSSH2_X11_RANDOM_COOKIE_LEN 32 + +/* + * channel_x11_req + * Request X11 forwarding + */ +static int +channel_x11_req(LIBSSH2_CHANNEL *channel, int single_connection, + const char *auth_proto, const char *auth_cookie, + int screen_number) +{ + LIBSSH2_SESSION *session = channel->session; + unsigned char *s; + static const unsigned char reply_codes[3] = + { SSH_MSG_CHANNEL_SUCCESS, SSH_MSG_CHANNEL_FAILURE, 0 }; + size_t proto_len = + auth_proto ? strlen(auth_proto) : (sizeof("MIT-MAGIC-COOKIE-1") - 1); + size_t cookie_len = + auth_cookie ? strlen(auth_cookie) : LIBSSH2_X11_RANDOM_COOKIE_LEN; + int rc; + + if (channel->reqX11_state == libssh2_NB_state_idle) { + /* 30 = packet_type(1) + channel(4) + x11_req_len(4) + "x11-req"(7) + + * want_reply(1) + single_cnx(1) + proto_len(4) + cookie_len(4) + + * screen_num(4) */ + channel->reqX11_packet_len = proto_len + cookie_len + 30; + + /* Zero the whole thing out */ + memset(&channel->reqX11_packet_requirev_state, 0, + sizeof(channel->reqX11_packet_requirev_state)); + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Requesting x11-req for channel %lu/%lu: single=%d " + "proto=%s cookie=%s screen=%d", + channel->local.id, channel->remote.id, + single_connection, + auth_proto ? auth_proto : "MIT-MAGIC-COOKIE-1", + auth_cookie ? auth_cookie : "", screen_number); + + s = channel->reqX11_packet = + LIBSSH2_ALLOC(session, channel->reqX11_packet_len); + if (!channel->reqX11_packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for pty-request"); + } + + *(s++) = SSH_MSG_CHANNEL_REQUEST; + _libssh2_store_u32(&s, channel->remote.id); + _libssh2_store_str(&s, "x11-req", sizeof("x11-req") - 1); + + *(s++) = 0x01; /* want_reply */ + *(s++) = single_connection ? 0x01 : 0x00; + + _libssh2_store_str(&s, auth_proto?auth_proto:"MIT-MAGIC-COOKIE-1", + proto_len); + + _libssh2_store_u32(&s, cookie_len); + if (auth_cookie) { + memcpy(s, auth_cookie, cookie_len); + } else { + int i; + /* note: the extra +1 below is necessary since the sprintf() + loop will always write 3 bytes so the last one will write + the trailing zero at the LIBSSH2_X11_RANDOM_COOKIE_LEN/2 + border */ + unsigned char buffer[(LIBSSH2_X11_RANDOM_COOKIE_LEN / 2) +1]; + + _libssh2_random(buffer, LIBSSH2_X11_RANDOM_COOKIE_LEN / 2); + for(i = 0; i < (LIBSSH2_X11_RANDOM_COOKIE_LEN / 2); i++) { + sprintf((char *)&s[i*2], "%02X", buffer[i]); + } + } + s += cookie_len; + + _libssh2_store_u32(&s, screen_number); + channel->reqX11_state = libssh2_NB_state_created; + } + + if (channel->reqX11_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, channel->reqX11_packet, + channel->reqX11_packet_len, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, rc, + "Would block sending X11-req packet"); + return rc; + } + if (rc) { + LIBSSH2_FREE(session, channel->reqX11_packet); + channel->reqX11_packet = NULL; + channel->reqX11_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Unable to send x11-req packet"); + } + LIBSSH2_FREE(session, channel->reqX11_packet); + channel->reqX11_packet = NULL; + + _libssh2_htonu32(channel->reqX11_local_channel, channel->local.id); + + channel->reqX11_state = libssh2_NB_state_sent; + } + + if (channel->reqX11_state == libssh2_NB_state_sent) { + size_t data_len; + unsigned char *data; + unsigned char code; + + rc = _libssh2_packet_requirev(session, reply_codes, &data, &data_len, + 1, channel->reqX11_local_channel, 4, + &channel->reqX11_packet_requirev_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + channel->reqX11_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "waiting for x11-req response packet"); + } + + code = data[0]; + LIBSSH2_FREE(session, data); + channel->reqX11_state = libssh2_NB_state_idle; + + if (code == SSH_MSG_CHANNEL_SUCCESS) + return 0; + } + + return _libssh2_error(session, LIBSSH2_ERROR_CHANNEL_REQUEST_DENIED, + "Unable to complete request for channel x11-req"); +} + +/* + * libssh2_channel_x11_req_ex + * Request X11 forwarding + */ +LIBSSH2_API int +libssh2_channel_x11_req_ex(LIBSSH2_CHANNEL *channel, int single_connection, + const char *auth_proto, const char *auth_cookie, + int screen_number) +{ + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, + channel_x11_req(channel, single_connection, auth_proto, + auth_cookie, screen_number)); + return rc; +} + + +/* + * _libssh2_channel_process_startup + * + * Primitive for libssh2_channel_(shell|exec|subsystem) + */ +int +_libssh2_channel_process_startup(LIBSSH2_CHANNEL *channel, + const char *request, size_t request_len, + const char *message, size_t message_len) +{ + LIBSSH2_SESSION *session = channel->session; + unsigned char *s; + static const unsigned char reply_codes[3] = + { SSH_MSG_CHANNEL_SUCCESS, SSH_MSG_CHANNEL_FAILURE, 0 }; + int rc; + + if (channel->process_state == libssh2_NB_state_idle) { + /* 10 = packet_type(1) + channel(4) + request_len(4) + want_reply(1) */ + channel->process_packet_len = request_len + 10; + + /* Zero the whole thing out */ + memset(&channel->process_packet_requirev_state, 0, + sizeof(channel->process_packet_requirev_state)); + + if (message) + channel->process_packet_len += + 4; + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "starting request(%s) on channel %lu/%lu, message=%s", + request, channel->local.id, channel->remote.id, + message?message:""); + s = channel->process_packet = + LIBSSH2_ALLOC(session, channel->process_packet_len); + if (!channel->process_packet) + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory " + "for channel-process request"); + + *(s++) = SSH_MSG_CHANNEL_REQUEST; + _libssh2_store_u32(&s, channel->remote.id); + _libssh2_store_str(&s, request, request_len); + *(s++) = 0x01; + + if (message) + _libssh2_store_u32(&s, message_len); + + channel->process_state = libssh2_NB_state_created; + } + + if (channel->process_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, + channel->process_packet, + channel->process_packet_len, + (unsigned char *)message, message_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, rc, + "Would block sending channel request"); + return rc; + } + else if (rc) { + LIBSSH2_FREE(session, channel->process_packet); + channel->process_packet = NULL; + channel->process_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Unable to send channel request"); + } + LIBSSH2_FREE(session, channel->process_packet); + channel->process_packet = NULL; + + _libssh2_htonu32(channel->process_local_channel, channel->local.id); + + channel->process_state = libssh2_NB_state_sent; + } + + if (channel->process_state == libssh2_NB_state_sent) { + unsigned char *data; + size_t data_len; + unsigned char code; + rc = _libssh2_packet_requirev(session, reply_codes, &data, &data_len, + 1, channel->process_local_channel, 4, + &channel->process_packet_requirev_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + channel->process_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Failed waiting for channel success"); + } + + code = data[0]; + LIBSSH2_FREE(session, data); + channel->process_state = libssh2_NB_state_idle; + + if (code == SSH_MSG_CHANNEL_SUCCESS) + return 0; + } + + return _libssh2_error(session, LIBSSH2_ERROR_CHANNEL_REQUEST_DENIED, + "Unable to complete request for " + "channel-process-startup"); +} + +/* + * libssh2_channel_process_startup + * + * Primitive for libssh2_channel_(shell|exec|subsystem) + */ +LIBSSH2_API int +libssh2_channel_process_startup(LIBSSH2_CHANNEL *channel, + const char *req, unsigned int req_len, + const char *msg, unsigned int msg_len) +{ + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, + _libssh2_channel_process_startup(channel, req, req_len, + msg, msg_len)); + return rc; +} + + +/* + * libssh2_channel_set_blocking + * + * Set a channel's BEHAVIOR blocking on or off. The socket will remain non- + * blocking. + */ +LIBSSH2_API void +libssh2_channel_set_blocking(LIBSSH2_CHANNEL * channel, int blocking) +{ + if(channel) + (void) _libssh2_session_set_blocking(channel->session, blocking); +} + +/* + * _libssh2_channel_flush + * + * Flush data from one (or all) stream + * Returns number of bytes flushed, or negative on failure + */ +int +_libssh2_channel_flush(LIBSSH2_CHANNEL *channel, int streamid) +{ + if (channel->flush_state == libssh2_NB_state_idle) { + LIBSSH2_PACKET *packet = + _libssh2_list_first(&channel->session->packets); + channel->flush_refund_bytes = 0; + channel->flush_flush_bytes = 0; + + while (packet) { + LIBSSH2_PACKET *next = _libssh2_list_next(&packet->node); + unsigned char packet_type = packet->data[0]; + + if (((packet_type == SSH_MSG_CHANNEL_DATA) + || (packet_type == SSH_MSG_CHANNEL_EXTENDED_DATA)) + && (_libssh2_ntohu32(packet->data + 1) == channel->local.id)) { + /* It's our channel at least */ + long packet_stream_id = + (packet_type == SSH_MSG_CHANNEL_DATA) ? 0 : + _libssh2_ntohu32(packet->data + 5); + if ((streamid == LIBSSH2_CHANNEL_FLUSH_ALL) + || ((packet_type == SSH_MSG_CHANNEL_EXTENDED_DATA) + && ((streamid == LIBSSH2_CHANNEL_FLUSH_EXTENDED_DATA) + || (streamid == packet_stream_id))) + || ((packet_type == SSH_MSG_CHANNEL_DATA) + && (streamid == 0))) { + int bytes_to_flush = packet->data_len - packet->data_head; + + _libssh2_debug(channel->session, LIBSSH2_TRACE_CONN, + "Flushing %d bytes of data from stream " + "%lu on channel %lu/%lu", + bytes_to_flush, packet_stream_id, + channel->local.id, channel->remote.id); + + /* It's one of the streams we wanted to flush */ + channel->flush_refund_bytes += packet->data_len - 13; + channel->flush_flush_bytes += bytes_to_flush; + + LIBSSH2_FREE(channel->session, packet->data); + + /* remove this packet from the parent's list */ + _libssh2_list_remove(&packet->node); + LIBSSH2_FREE(channel->session, packet); + } + } + packet = next; + } + + channel->flush_state = libssh2_NB_state_created; + } + + if (channel->flush_refund_bytes) { + int rc; + + rc = _libssh2_channel_receive_window_adjust(channel, + channel->flush_refund_bytes, + 1, NULL); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + } + + channel->flush_state = libssh2_NB_state_idle; + + return channel->flush_flush_bytes; +} + +/* + * libssh2_channel_flush_ex + * + * Flush data from one (or all) stream + * Returns number of bytes flushed, or negative on failure + */ +LIBSSH2_API int +libssh2_channel_flush_ex(LIBSSH2_CHANNEL *channel, int stream) +{ + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, + _libssh2_channel_flush(channel, stream)); + return rc; +} + +/* + * libssh2_channel_get_exit_status + * + * Return the channel's program exit status. Note that the actual protocol + * provides the full 32bit this function returns. We cannot abuse it to + * return error values in case of errors so we return a zero if channel is + * NULL. + */ +LIBSSH2_API int +libssh2_channel_get_exit_status(LIBSSH2_CHANNEL *channel) +{ + if(!channel) + return 0; + + return channel->exit_status; +} + +/* + * libssh2_channel_get_exit_signal + * + * Get exit signal (without leading "SIG"), error message, and language + * tag into newly allocated buffers of indicated length. Caller can + * use NULL pointers to indicate that the value should not be set. The + * *_len variables are set if they are non-NULL even if the + * corresponding string parameter is NULL. Returns LIBSSH2_ERROR_NONE + * on success, or an API error code. + */ +LIBSSH2_API int +libssh2_channel_get_exit_signal(LIBSSH2_CHANNEL *channel, + char **exitsignal, + size_t *exitsignal_len, + char **errmsg, + size_t *errmsg_len, + char **langtag, + size_t *langtag_len) +{ + LIBSSH2_SESSION *session = channel->session; + size_t namelen = 0; + + if (channel) { + if (channel->exit_signal) { + namelen = strlen(channel->exit_signal); + if (exitsignal) { + *exitsignal = LIBSSH2_ALLOC(session, namelen + 1); + if (!*exitsignal) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for signal name"); + } + memcpy(*exitsignal, channel->exit_signal, namelen); + (*exitsignal)[namelen] = '\0'; + } + if (exitsignal_len) + *exitsignal_len = namelen; + } else { + if (exitsignal) + *exitsignal = NULL; + if (exitsignal_len) + *exitsignal_len = 0; + } + + /* TODO: set error message and language tag */ + + if (errmsg) + *errmsg = NULL; + + if (errmsg_len) + *errmsg_len = 0; + + if (langtag) + *langtag = NULL; + + if (langtag_len) + *langtag_len = 0; + } + + return LIBSSH2_ERROR_NONE; +} + +/* + * _libssh2_channel_receive_window_adjust + * + * Adjust the receive window for a channel by adjustment bytes. If the amount + * to be adjusted is less than LIBSSH2_CHANNEL_MINADJUST and force is 0 the + * adjustment amount will be queued for a later packet. + * + * Calls _libssh2_error() ! + */ +int +_libssh2_channel_receive_window_adjust(LIBSSH2_CHANNEL * channel, + uint32_t adjustment, + unsigned char force, + unsigned int *store) +{ + int rc; + + if (channel->adjust_state == libssh2_NB_state_idle) { + if (!force + && (adjustment + channel->adjust_queue < + LIBSSH2_CHANNEL_MINADJUST)) { + _libssh2_debug(channel->session, LIBSSH2_TRACE_CONN, + "Queueing %lu bytes for receive window adjustment " + "for channel %lu/%lu", + adjustment, channel->local.id, channel->remote.id); + channel->adjust_queue += adjustment; + if(store) + *store = channel->remote.window_size; + return 0; + } + + if (!adjustment && !channel->adjust_queue) { + if(store) + *store = channel->remote.window_size; + return 0; + } + + adjustment += channel->adjust_queue; + channel->adjust_queue = 0; + + /* Adjust the window based on the block we just freed */ + channel->adjust_adjust[0] = SSH_MSG_CHANNEL_WINDOW_ADJUST; + _libssh2_htonu32(&channel->adjust_adjust[1], channel->remote.id); + _libssh2_htonu32(&channel->adjust_adjust[5], adjustment); + _libssh2_debug(channel->session, LIBSSH2_TRACE_CONN, + "Adjusting window %lu bytes for data on " + "channel %lu/%lu", + adjustment, channel->local.id, channel->remote.id); + + channel->adjust_state = libssh2_NB_state_created; + } + + rc = _libssh2_transport_send(channel->session, channel->adjust_adjust, 9, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(channel->session, rc, + "Would block sending window adjust"); + return rc; + } + else if (rc) { + channel->adjust_queue = adjustment; + return _libssh2_error(channel->session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send transfer-window adjustment " + "packet, deferring"); + } + else { + channel->remote.window_size += adjustment; + } + + channel->adjust_state = libssh2_NB_state_idle; + + if(store) + *store = channel->remote.window_size; + return 0; +} + +/* + * libssh2_channel_receive_window_adjust + * + * DEPRECATED + * + * Adjust the receive window for a channel by adjustment bytes. If the amount + * to be adjusted is less than LIBSSH2_CHANNEL_MINADJUST and force is 0 the + * adjustment amount will be queued for a later packet. + * + * Returns the new size of the receive window (as understood by remote end). + * Note that it might return EAGAIN too which is highly stupid. + * + */ +LIBSSH2_API unsigned long +libssh2_channel_receive_window_adjust(LIBSSH2_CHANNEL *channel, + unsigned long adj, + unsigned char force) +{ + unsigned int window; + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, + _libssh2_channel_receive_window_adjust(channel, adj, + force, &window)); + + /* stupid - but this is how it was made to work before and this is just + kept for backwards compatibility */ + return rc?(unsigned long)rc:window; +} + +/* + * libssh2_channel_receive_window_adjust2 + * + * Adjust the receive window for a channel by adjustment bytes. If the amount + * to be adjusted is less than LIBSSH2_CHANNEL_MINADJUST and force is 0 the + * adjustment amount will be queued for a later packet. + * + * Stores the new size of the receive window in the data 'window' points to. + * + * Returns the "normal" error code: 0 for success, negative for failure. + */ +LIBSSH2_API int +libssh2_channel_receive_window_adjust2(LIBSSH2_CHANNEL *channel, + unsigned long adj, + unsigned char force, + unsigned int *window) +{ + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, + _libssh2_channel_receive_window_adjust(channel, adj, force, + window)); + return rc; +} + +int +_libssh2_channel_extended_data(LIBSSH2_CHANNEL *channel, int ignore_mode) +{ + if (channel->extData2_state == libssh2_NB_state_idle) { + _libssh2_debug(channel->session, LIBSSH2_TRACE_CONN, + "Setting channel %lu/%lu handle_extended_data" + " mode to %d", + channel->local.id, channel->remote.id, ignore_mode); + channel->remote.extended_data_ignore_mode = ignore_mode; + + channel->extData2_state = libssh2_NB_state_created; + } + + if (channel->extData2_state == libssh2_NB_state_idle) { + if (ignore_mode == LIBSSH2_CHANNEL_EXTENDED_DATA_IGNORE) { + int rc = + _libssh2_channel_flush(channel, + LIBSSH2_CHANNEL_FLUSH_EXTENDED_DATA); + if(LIBSSH2_ERROR_EAGAIN == rc) + return rc; + } + } + + channel->extData2_state = libssh2_NB_state_idle; + return 0; +} + +/* + * libssh2_channel_handle_extended_data2() + * + */ +LIBSSH2_API int +libssh2_channel_handle_extended_data2(LIBSSH2_CHANNEL *channel, + int mode) +{ + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, _libssh2_channel_extended_data(channel, + mode)); + return rc; +} + +/* + * libssh2_channel_handle_extended_data + * + * DEPRECATED DO NOTE USE! + * + * How should extended data look to the calling app? Keep it in separate + * channels[_read() _read_stdder()]? (NORMAL) Merge the extended data to the + * standard data? [everything via _read()]? (MERGE) Ignore it entirely [toss + * out packets as they come in]? (IGNORE) + */ +LIBSSH2_API void +libssh2_channel_handle_extended_data(LIBSSH2_CHANNEL *channel, + int ignore_mode) +{ + (void)libssh2_channel_handle_extended_data2(channel, ignore_mode); +} + + + +/* + * _libssh2_channel_read + * + * Read data from a channel + * + * It is important to not return 0 until the currently read channel is + * complete. If we read stuff from the wire but it was no payload data to fill + * in the buffer with, we MUST make sure to return LIBSSH2_ERROR_EAGAIN. + * + * The receive window must be maintained (enlarged) by the user of this + * function. + */ +ssize_t _libssh2_channel_read(LIBSSH2_CHANNEL *channel, int stream_id, + char *buf, size_t buflen) +{ + LIBSSH2_SESSION *session = channel->session; + int rc; + int bytes_read = 0; + int bytes_want; + int unlink_packet; + LIBSSH2_PACKET *read_packet; + LIBSSH2_PACKET *read_next; + + if (channel->read_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "channel_read() wants %d bytes from channel %lu/%lu " + "stream #%d", + (int) buflen, channel->local.id, channel->remote.id, + stream_id); + channel->read_state = libssh2_NB_state_created; + } + + rc = 1; /* set to >0 to let the while loop start */ + + /* Process all pending incoming packets in all states in order to "even + out" the network readings. Tests prove that this way produces faster + transfers. */ + while (rc > 0) + rc = _libssh2_transport_read(session); + + if ((rc < 0) && (rc != LIBSSH2_ERROR_EAGAIN)) + return _libssh2_error(session, rc, "transport read"); + + read_packet = _libssh2_list_first(&session->packets); + while (read_packet && (bytes_read < (int) buflen)) { + /* previously this loop condition also checked for + !channel->remote.close but we cannot let it do this: + + We may have a series of packets to read that are still pending even + if a close has been received. Acknowledging the close too early + makes us flush buffers prematurely and loose data. + */ + + LIBSSH2_PACKET *readpkt = read_packet; + + /* In case packet gets destroyed during this iteration */ + read_next = _libssh2_list_next(&readpkt->node); + + channel->read_local_id = + _libssh2_ntohu32(readpkt->data + 1); + + /* + * Either we asked for a specific extended data stream + * (and data was available), + * or the standard stream (and data was available), + * or the standard stream with extended_data_merge + * enabled and data was available + */ + if ((stream_id + && (readpkt->data[0] == SSH_MSG_CHANNEL_EXTENDED_DATA) + && (channel->local.id == channel->read_local_id) + && (stream_id == (int) _libssh2_ntohu32(readpkt->data + 5))) + || (!stream_id && (readpkt->data[0] == SSH_MSG_CHANNEL_DATA) + && (channel->local.id == channel->read_local_id)) + || (!stream_id + && (readpkt->data[0] == SSH_MSG_CHANNEL_EXTENDED_DATA) + && (channel->local.id == channel->read_local_id) + && (channel->remote.extended_data_ignore_mode == + LIBSSH2_CHANNEL_EXTENDED_DATA_MERGE))) { + + /* figure out much more data we want to read */ + bytes_want = buflen - bytes_read; + unlink_packet = FALSE; + + if (bytes_want >= (int) (readpkt->data_len - readpkt->data_head)) { + /* we want more than this node keeps, so adjust the number and + delete this node after the copy */ + bytes_want = readpkt->data_len - readpkt->data_head; + unlink_packet = TRUE; + } + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "channel_read() got %d of data from %lu/%lu/%d%s", + bytes_want, channel->local.id, + channel->remote.id, stream_id, + unlink_packet?" [ul]":""); + + /* copy data from this struct to the target buffer */ + memcpy(&buf[bytes_read], + &readpkt->data[readpkt->data_head], bytes_want); + + /* advance pointer and counter */ + readpkt->data_head += bytes_want; + bytes_read += bytes_want; + + /* if drained, remove from list */ + if (unlink_packet) { + /* detach readpkt from session->packets list */ + _libssh2_list_remove(&readpkt->node); + + LIBSSH2_FREE(session, readpkt->data); + LIBSSH2_FREE(session, readpkt); + } + } + + /* check the next struct in the chain */ + read_packet = read_next; + } + + if (!bytes_read) { + channel->read_state = libssh2_NB_state_idle; + + /* If the channel is already at EOF or even closed, we need to signal + that back. We may have gotten that info while draining the incoming + transport layer until EAGAIN so we must not be fooled by that + return code. */ + if(channel->remote.eof || channel->remote.close) + return 0; + else if(rc != LIBSSH2_ERROR_EAGAIN) + return 0; + + /* if the transport layer said EAGAIN then we say so as well */ + return _libssh2_error(session, rc, "would block"); + } + else + /* make sure we remain in the created state to focus on emptying the + data we already have in the packet brigade before we try to read + more off the network again */ + channel->read_state = libssh2_NB_state_created; + + return bytes_read; +} + +/* + * libssh2_channel_read_ex + * + * Read data from a channel (blocking or non-blocking depending on set state) + * + * When this is done non-blocking, it is important to not return 0 until the + * currently read channel is complete. If we read stuff from the wire but it + * was no payload data to fill in the buffer with, we MUST make sure to return + * LIBSSH2_ERROR_EAGAIN. + * + * This function will first make sure there's a receive window enough to + * receive a full buffer's wort of contents. An application may choose to + * adjust the receive window more to increase transfer performance. + */ +LIBSSH2_API ssize_t +libssh2_channel_read_ex(LIBSSH2_CHANNEL *channel, int stream_id, char *buf, + size_t buflen) +{ + int rc; + unsigned long recv_window; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + recv_window = libssh2_channel_window_read_ex(channel, NULL, NULL); + + if(buflen > recv_window) { + BLOCK_ADJUST(rc, channel->session, + _libssh2_channel_receive_window_adjust(channel, buflen, + 1, NULL)); + } + + BLOCK_ADJUST(rc, channel->session, + _libssh2_channel_read(channel, stream_id, buf, buflen)); + return rc; +} + +/* + * _libssh2_channel_packet_data_len + * + * Return the size of the data block of the current packet, or 0 if there + * isn't a packet. + */ +size_t +_libssh2_channel_packet_data_len(LIBSSH2_CHANNEL * channel, int stream_id) +{ + LIBSSH2_SESSION *session = channel->session; + LIBSSH2_PACKET *read_packet; + uint32_t read_local_id; + + read_packet = _libssh2_list_first(&session->packets); + if (read_packet == NULL) + return 0; + + while (read_packet) { + read_local_id = _libssh2_ntohu32(read_packet->data + 1); + + /* + * Either we asked for a specific extended data stream + * (and data was available), + * or the standard stream (and data was available), + * or the standard stream with extended_data_merge + * enabled and data was available + */ + if ((stream_id + && (read_packet->data[0] == SSH_MSG_CHANNEL_EXTENDED_DATA) + && (channel->local.id == read_local_id) + && (stream_id == (int) _libssh2_ntohu32(read_packet->data + 5))) + || + (!stream_id + && (read_packet->data[0] == SSH_MSG_CHANNEL_DATA) + && (channel->local.id == read_local_id)) + || + (!stream_id + && (read_packet->data[0] == SSH_MSG_CHANNEL_EXTENDED_DATA) + && (channel->local.id == read_local_id) + && (channel->remote.extended_data_ignore_mode + == LIBSSH2_CHANNEL_EXTENDED_DATA_MERGE))) + { + return (read_packet->data_len - read_packet->data_head); + } + read_packet = _libssh2_list_next(&read_packet->node); + } + + return 0; +} + +/* + * _libssh2_channel_write + * + * Send data to a channel. Note that if this returns EAGAIN, the caller must + * call this function again with the SAME input arguments. + * + * Returns: number of bytes sent, or if it returns a negative number, that is + * the error code! + */ +ssize_t +_libssh2_channel_write(LIBSSH2_CHANNEL *channel, int stream_id, + const unsigned char *buf, size_t buflen) +{ + int rc = 0; + LIBSSH2_SESSION *session = channel->session; + ssize_t wrote = 0; /* counter for this specific this call */ + + /* In theory we could split larger buffers into several smaller packets + * but it turns out to be really hard and nasty to do while still offering + * the API/prototype. + * + * Instead we only deal with the first 32K in this call and for the parent + * function to call it again with the remainder! 32K is a conservative + * limit based on the text in RFC4253 section 6.1. + */ + if(buflen > 32700) + buflen = 32700; + + if (channel->write_state == libssh2_NB_state_idle) { + unsigned char *s = channel->write_packet; + + _libssh2_debug(channel->session, LIBSSH2_TRACE_CONN, + "Writing %d bytes on channel %lu/%lu, stream #%d", + (int) buflen, channel->local.id, channel->remote.id, + stream_id); + + if (channel->local.close) + return _libssh2_error(channel->session, + LIBSSH2_ERROR_CHANNEL_CLOSED, + "We've already closed this channel"); + else if (channel->local.eof) + return _libssh2_error(channel->session, + LIBSSH2_ERROR_CHANNEL_EOF_SENT, + "EOF has already been received, " + "data might be ignored"); + + /* drain the incoming flow first, mostly to make sure we get all + * pending window adjust packets */ + do + rc = _libssh2_transport_read(session); + while (rc > 0); + + if((rc < 0) && (rc != LIBSSH2_ERROR_EAGAIN)) + return rc; + + if(channel->local.window_size <= 0) + /* there's no room for data so we stop */ + return (rc==LIBSSH2_ERROR_EAGAIN?rc:0); + + channel->write_bufwrite = buflen; + + *(s++) = stream_id ? SSH_MSG_CHANNEL_EXTENDED_DATA : + SSH_MSG_CHANNEL_DATA; + _libssh2_store_u32(&s, channel->remote.id); + if (stream_id) + _libssh2_store_u32(&s, stream_id); + + /* Don't exceed the remote end's limits */ + /* REMEMBER local means local as the SOURCE of the data */ + if (channel->write_bufwrite > channel->local.window_size) { + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Splitting write block due to %lu byte " + "window_size on %lu/%lu/%d", + channel->local.window_size, channel->local.id, + channel->remote.id, stream_id); + channel->write_bufwrite = channel->local.window_size; + } + if (channel->write_bufwrite > channel->local.packet_size) { + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Splitting write block due to %lu byte " + "packet_size on %lu/%lu/%d", + channel->local.packet_size, channel->local.id, + channel->remote.id, stream_id); + channel->write_bufwrite = channel->local.packet_size; + } + /* store the size here only, the buffer is passed in as-is to + _libssh2_transport_send() */ + _libssh2_store_u32(&s, channel->write_bufwrite); + channel->write_packet_len = s - channel->write_packet; + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Sending %d bytes on channel %lu/%lu, stream_id=%d", + (int) channel->write_bufwrite, channel->local.id, + channel->remote.id, stream_id); + + channel->write_state = libssh2_NB_state_created; + } + + if (channel->write_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, channel->write_packet, + channel->write_packet_len, + buf, channel->write_bufwrite); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return _libssh2_error(session, rc, + "Unable to send channel data"); + } + else if (rc) { + channel->write_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Unable to send channel data"); + } + /* Shrink local window size */ + channel->local.window_size -= channel->write_bufwrite; + + wrote += channel->write_bufwrite; + + /* Since _libssh2_transport_write() succeeded, we must return + now to allow the caller to provide the next chunk of data. + + We cannot move on to send the next piece of data that may + already have been provided in this same function call, as we + risk getting EAGAIN for that and we can't return information + both about sent data as well as EAGAIN. So, by returning short + now, the caller will call this function again with new data to + send */ + + channel->write_state = libssh2_NB_state_idle; + + return wrote; + } + + return LIBSSH2_ERROR_INVAL; /* reaching this point is really bad */ +} + +/* + * libssh2_channel_write_ex + * + * Send data to a channel + */ +LIBSSH2_API ssize_t +libssh2_channel_write_ex(LIBSSH2_CHANNEL *channel, int stream_id, + const char *buf, size_t buflen) +{ + ssize_t rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, + _libssh2_channel_write(channel, stream_id, + (unsigned char *)buf, buflen)); + return rc; +} + +/* + * channel_send_eof + * + * Send EOF on channel + */ +static int channel_send_eof(LIBSSH2_CHANNEL *channel) +{ + LIBSSH2_SESSION *session = channel->session; + unsigned char packet[5]; /* packet_type(1) + channelno(4) */ + int rc; + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, "Sending EOF on channel %lu/%lu", + channel->local.id, channel->remote.id); + packet[0] = SSH_MSG_CHANNEL_EOF; + _libssh2_htonu32(packet + 1, channel->remote.id); + rc = _libssh2_transport_send(session, packet, 5, NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, rc, + "Would block sending EOF"); + return rc; + } + else if (rc) { + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send EOF on channel"); + } + channel->local.eof = 1; + + return 0; +} + +/* + * libssh2_channel_send_eof + * + * Send EOF on channel + */ +LIBSSH2_API int +libssh2_channel_send_eof(LIBSSH2_CHANNEL *channel) +{ + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, channel_send_eof(channel)); + return rc; +} + +/* + * libssh2_channel_eof + * + * Read channel's eof status + */ +LIBSSH2_API int +libssh2_channel_eof(LIBSSH2_CHANNEL * channel) +{ + LIBSSH2_SESSION *session; + LIBSSH2_PACKET *packet; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + session = channel->session; + packet = _libssh2_list_first(&session->packets); + + while (packet) { + if (((packet->data[0] == SSH_MSG_CHANNEL_DATA) + || (packet->data[0] == SSH_MSG_CHANNEL_EXTENDED_DATA)) + && (channel->local.id == _libssh2_ntohu32(packet->data + 1))) { + /* There's data waiting to be read yet, mask the EOF status */ + return 0; + } + packet = _libssh2_list_next(&packet->node); + } + + return channel->remote.eof; +} + +/* + * channel_wait_eof + * + * Awaiting channel EOF + */ +static int channel_wait_eof(LIBSSH2_CHANNEL *channel) +{ + LIBSSH2_SESSION *session = channel->session; + int rc; + + if (channel->wait_eof_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Awaiting close of channel %lu/%lu", channel->local.id, + channel->remote.id); + + channel->wait_eof_state = libssh2_NB_state_created; + } + + /* + * While channel is not eof, read more packets from the network. + * Either the EOF will be set or network timeout will occur. + */ + do { + if (channel->remote.eof) { + break; + } + rc = _libssh2_transport_read(session); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } + else if (rc < 0) { + channel->wait_eof_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "_libssh2_transport_read() bailed out!"); + } + } while (1); + + channel->wait_eof_state = libssh2_NB_state_idle; + + return 0; +} + +/* + * libssh2_channel_wait_eof + * + * Awaiting channel EOF + */ +LIBSSH2_API int +libssh2_channel_wait_eof(LIBSSH2_CHANNEL *channel) +{ + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, channel_wait_eof(channel)); + return rc; +} + +int _libssh2_channel_close(LIBSSH2_CHANNEL * channel) +{ + LIBSSH2_SESSION *session = channel->session; + int rc = 0; + int retcode; + + if (channel->local.close) { + /* Already closed, act like we sent another close, + * even though we didn't... shhhhhh */ + channel->close_state = libssh2_NB_state_idle; + return 0; + } + + if (!channel->local.eof) + if ((retcode = channel_send_eof(channel))) + return retcode; + + /* ignore if we have received a remote eof or not, as it is now too + late for us to wait for it. Continue closing! */ + + if (channel->close_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_CONN, "Closing channel %lu/%lu", + channel->local.id, channel->remote.id); + + channel->close_packet[0] = SSH_MSG_CHANNEL_CLOSE; + _libssh2_htonu32(channel->close_packet + 1, channel->remote.id); + + channel->close_state = libssh2_NB_state_created; + } + + if (channel->close_state == libssh2_NB_state_created) { + retcode = _libssh2_transport_send(session, channel->close_packet, 5, + NULL, 0); + if (retcode == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, rc, + "Would block sending close-channel"); + return retcode; + } else if (retcode) { + channel->close_state = libssh2_NB_state_idle; + return _libssh2_error(session, retcode, + "Unable to send close-channel request"); + } + + channel->close_state = libssh2_NB_state_sent; + } + + if (channel->close_state == libssh2_NB_state_sent) { + /* We must wait for the remote SSH_MSG_CHANNEL_CLOSE message */ + + while (!channel->remote.close && !rc && + (session->socket_state != LIBSSH2_SOCKET_DISCONNECTED)) + rc = _libssh2_transport_read(session); + } + + if(rc != LIBSSH2_ERROR_EAGAIN) { + /* set the local close state first when we're perfectly confirmed to not + do any more EAGAINs */ + channel->local.close = 1; + + /* We call the callback last in this function to make it keep the local + data as long as EAGAIN is returned. */ + if (channel->close_cb) { + LIBSSH2_CHANNEL_CLOSE(session, channel); + } + + channel->close_state = libssh2_NB_state_idle; + } + + /* return 0 or an error */ + return rc>=0?0:rc; +} + +/* + * libssh2_channel_close + * + * Close a channel + */ +LIBSSH2_API int +libssh2_channel_close(LIBSSH2_CHANNEL *channel) +{ + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, _libssh2_channel_close(channel) ); + return rc; +} + +/* + * channel_wait_closed + * + * Awaiting channel close after EOF + */ +static int channel_wait_closed(LIBSSH2_CHANNEL *channel) +{ + LIBSSH2_SESSION *session = channel->session; + int rc; + + if (!libssh2_channel_eof(channel)) { + return _libssh2_error(session, LIBSSH2_ERROR_INVAL, + "libssh2_channel_wait_closed() invoked when " + "channel is not in EOF state"); + } + + if (channel->wait_closed_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Awaiting close of channel %lu/%lu", channel->local.id, + channel->remote.id); + + channel->wait_closed_state = libssh2_NB_state_created; + } + + /* + * While channel is not closed, read more packets from the network. + * Either the channel will be closed or network timeout will occur. + */ + if (!channel->remote.close) { + do { + rc = _libssh2_transport_read(session); + if (channel->remote.close) + /* it is now closed, move on! */ + break; + } while (rc > 0); + if(rc < 0) + return rc; + } + + channel->wait_closed_state = libssh2_NB_state_idle; + + return 0; +} + +/* + * libssh2_channel_wait_closed + * + * Awaiting channel close after EOF + */ +LIBSSH2_API int +libssh2_channel_wait_closed(LIBSSH2_CHANNEL *channel) +{ + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, channel_wait_closed(channel)); + return rc; +} + +/* + * _libssh2_channel_free + * + * Make sure a channel is closed, then remove the channel from the session + * and free its resource(s) + * + * Returns 0 on success, negative on failure + */ +int _libssh2_channel_free(LIBSSH2_CHANNEL *channel) +{ + LIBSSH2_SESSION *session = channel->session; + unsigned char channel_id[4]; + unsigned char *data; + size_t data_len; + int rc; + + assert(session); + + if (channel->free_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Freeing channel %lu/%lu resources", channel->local.id, + channel->remote.id); + + channel->free_state = libssh2_NB_state_created; + } + + /* Allow channel freeing even when the socket has lost its connection */ + if (!channel->local.close + && (session->socket_state == LIBSSH2_SOCKET_CONNECTED)) { + rc = _libssh2_channel_close(channel); + + if(rc == LIBSSH2_ERROR_EAGAIN) + return rc; + + /* ignore all other errors as they otherwise risk blocking the channel + free from happening */ + } + + channel->free_state = libssh2_NB_state_idle; + + if (channel->exit_signal) { + LIBSSH2_FREE(session, channel->exit_signal); + } + + /* + * channel->remote.close *might* not be set yet, Well... + * We've sent the close packet, what more do you want? + * Just let packet_add ignore it when it finally arrives + */ + + /* Clear out packets meant for this channel */ + _libssh2_htonu32(channel_id, channel->local.id); + while ((_libssh2_packet_ask(session, SSH_MSG_CHANNEL_DATA, &data, + &data_len, 1, channel_id, 4) >= 0) + || + (_libssh2_packet_ask(session, SSH_MSG_CHANNEL_EXTENDED_DATA, &data, + &data_len, 1, channel_id, 4) >= 0)) { + LIBSSH2_FREE(session, data); + } + + /* free "channel_type" */ + if (channel->channel_type) { + LIBSSH2_FREE(session, channel->channel_type); + } + + /* Unlink from channel list */ + _libssh2_list_remove(&channel->node); + + /* + * Make sure all memory used in the state variables are free + */ + if (channel->setenv_packet) { + LIBSSH2_FREE(session, channel->setenv_packet); + } + if (channel->reqX11_packet) { + LIBSSH2_FREE(session, channel->reqX11_packet); + } + if (channel->process_packet) { + LIBSSH2_FREE(session, channel->process_packet); + } + + LIBSSH2_FREE(session, channel); + + return 0; +} + +/* + * libssh2_channel_free + * + * Make sure a channel is closed, then remove the channel from the session + * and free its resource(s) + * + * Returns 0 on success, negative on failure + */ +LIBSSH2_API int +libssh2_channel_free(LIBSSH2_CHANNEL *channel) +{ + int rc; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, channel->session, _libssh2_channel_free(channel)); + return rc; +} +/* + * libssh2_channel_window_read_ex + * + * Check the status of the read window. Returns the number of bytes which the + * remote end may send without overflowing the window limit read_avail (if + * passed) will be populated with the number of bytes actually available to be + * read window_size_initial (if passed) will be populated with the + * window_size_initial as defined by the channel_open request + */ +LIBSSH2_API unsigned long +libssh2_channel_window_read_ex(LIBSSH2_CHANNEL *channel, + unsigned long *read_avail, + unsigned long *window_size_initial) +{ + if(!channel) + return 0; /* no channel, no window! */ + + if (window_size_initial) { + *window_size_initial = channel->remote.window_size_initial; + } + + if (read_avail) { + size_t bytes_queued = 0; + LIBSSH2_PACKET *packet = + _libssh2_list_first(&channel->session->packets); + + while (packet) { + unsigned char packet_type = packet->data[0]; + + if (((packet_type == SSH_MSG_CHANNEL_DATA) + || (packet_type == SSH_MSG_CHANNEL_EXTENDED_DATA)) + && (_libssh2_ntohu32(packet->data + 1) == channel->local.id)) { + bytes_queued += packet->data_len - packet->data_head; + } + + packet = _libssh2_list_next(&packet->node); + } + + *read_avail = bytes_queued; + } + + return channel->remote.window_size; +} + +/* + * libssh2_channel_window_write_ex + * + * Check the status of the write window Returns the number of bytes which may + * be safely writen on the channel without blocking window_size_initial (if + * passed) will be populated with the size of the initial window as defined by + * the channel_open request + */ +LIBSSH2_API unsigned long +libssh2_channel_window_write_ex(LIBSSH2_CHANNEL *channel, + unsigned long *window_size_initial) +{ + if(!channel) + return 0; /* no channel, no window! */ + + if (window_size_initial) { + /* For locally initiated channels this is very often 0, so it's not + * *that* useful as information goes */ + *window_size_initial = channel->local.window_size_initial; + } + + return channel->local.window_size; +} diff --git a/vendor/libssh2-1.4.2/src/channel.h b/vendor/libssh2-1.4.2/src/channel.h new file mode 100644 index 0000000..dc0ee37 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/channel.h @@ -0,0 +1,141 @@ +#ifndef __LIBSSH2_CHANNEL_H +#define __LIBSSH2_CHANNEL_H +/* Copyright (c) 2008-2010 by Daniel Stenberg + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +/* + * _libssh2_channel_receive_window_adjust + * + * Adjust the receive window for a channel by adjustment bytes. If the amount + * to be adjusted is less than LIBSSH2_CHANNEL_MINADJUST and force is 0 the + * adjustment amount will be queued for a later packet. + * + * Always non-blocking. + */ +int _libssh2_channel_receive_window_adjust(LIBSSH2_CHANNEL * channel, + uint32_t adjustment, + unsigned char force, + unsigned int *store); + +/* + * _libssh2_channel_flush + * + * Flush data from one (or all) stream + * Returns number of bytes flushed, or negative on failure + */ +int _libssh2_channel_flush(LIBSSH2_CHANNEL *channel, int streamid); + +/* + * _libssh2_channel_free + * + * Make sure a channel is closed, then remove the channel from the session + * and free its resource(s) + * + * Returns 0 on success, negative on failure + */ +int _libssh2_channel_free(LIBSSH2_CHANNEL *channel); + +int +_libssh2_channel_extended_data(LIBSSH2_CHANNEL *channel, int ignore_mode); + +/* + * _libssh2_channel_write + * + * Send data to a channel + */ +ssize_t +_libssh2_channel_write(LIBSSH2_CHANNEL *channel, int stream_id, + const unsigned char *buf, size_t buflen); + +/* + * _libssh2_channel_open + * + * Establish a generic session channel + */ +LIBSSH2_CHANNEL * +_libssh2_channel_open(LIBSSH2_SESSION * session, const char *channel_type, + uint32_t channel_type_len, + uint32_t window_size, + uint32_t packet_size, + const unsigned char *message, size_t message_len); + + +/* + * _libssh2_channel_process_startup + * + * Primitive for libssh2_channel_(shell|exec|subsystem) + */ +int +_libssh2_channel_process_startup(LIBSSH2_CHANNEL *channel, + const char *request, size_t request_len, + const char *message, size_t message_len); + +/* + * _libssh2_channel_read + * + * Read data from a channel + * + * It is important to not return 0 until the currently read channel is + * complete. If we read stuff from the wire but it was no payload data to fill + * in the buffer with, we MUST make sure to return PACKET_EAGAIN. + */ +ssize_t _libssh2_channel_read(LIBSSH2_CHANNEL *channel, int stream_id, + char *buf, size_t buflen); + +uint32_t _libssh2_channel_nextid(LIBSSH2_SESSION * session); + +LIBSSH2_CHANNEL *_libssh2_channel_locate(LIBSSH2_SESSION * session, + uint32_t channel_id); + +size_t _libssh2_channel_packet_data_len(LIBSSH2_CHANNEL * channel, + int stream_id); + +int _libssh2_channel_close(LIBSSH2_CHANNEL * channel); + +/* + * _libssh2_channel_forward_cancel + * + * Stop listening on a remote port and free the listener + * Toss out any pending (un-accept()ed) connections + * + * Return 0 on success, LIBSSH2_ERROR_EAGAIN if would block, -1 on error + */ +int _libssh2_channel_forward_cancel(LIBSSH2_LISTENER *listener); + +#endif /* __LIBSSH2_CHANNEL_H */ + diff --git a/vendor/libssh2-1.4.2/src/comp.c b/vendor/libssh2-1.4.2/src/comp.c new file mode 100644 index 0000000..0296f62 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/comp.c @@ -0,0 +1,390 @@ +/* Copyright (c) 2004-2007, Sara Golemon + * Copyright (c) 2010, Daniel Stenberg + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" +#ifdef LIBSSH2_HAVE_ZLIB +# include +#endif + +#include "comp.h" + +/* ******** + * none * + ******** */ + +/* + * comp_method_none_comp + * + * Minimalist compression: Absolutely none + */ +static int +comp_method_none_comp(LIBSSH2_SESSION *session, + unsigned char *dest, + size_t *dest_len, + const unsigned char *src, + size_t src_len, + void **abstract) +{ + (void) session; + (void) abstract; + (void) dest; + (void) dest_len; + (void) src; + (void) src_len; + + return 0; +} + +/* + * comp_method_none_decomp + * + * Minimalist decompression: Absolutely none + */ +static int +comp_method_none_decomp(LIBSSH2_SESSION * session, + unsigned char **dest, + size_t *dest_len, + size_t payload_limit, + const unsigned char *src, + size_t src_len, void **abstract) +{ + (void) session; + (void) payload_limit; + (void) abstract; + *dest = (unsigned char *) src; + *dest_len = src_len; + return 0; +} + + + +static const LIBSSH2_COMP_METHOD comp_method_none = { + "none", + 0, /* not really compressing */ + NULL, + comp_method_none_comp, + comp_method_none_decomp, + NULL +}; + +#ifdef LIBSSH2_HAVE_ZLIB +/* ******** + * zlib * + ******** */ + +/* Memory management wrappers + * Yes, I realize we're doing a callback to a callback, + * Deal... + */ + +static voidpf +comp_method_zlib_alloc(voidpf opaque, uInt items, uInt size) +{ + LIBSSH2_SESSION *session = (LIBSSH2_SESSION *) opaque; + + return (voidpf) LIBSSH2_ALLOC(session, items * size); +} + +static void +comp_method_zlib_free(voidpf opaque, voidpf address) +{ + LIBSSH2_SESSION *session = (LIBSSH2_SESSION *) opaque; + + LIBSSH2_FREE(session, address); +} + + + +/* libssh2_comp_method_zlib_init + * All your bandwidth are belong to us (so save some) + */ +static int +comp_method_zlib_init(LIBSSH2_SESSION * session, int compr, + void **abstract) +{ + z_stream *strm; + int status; + + strm = LIBSSH2_ALLOC(session, sizeof(z_stream)); + if (!strm) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "zlib compression/decompression"); + } + memset(strm, 0, sizeof(z_stream)); + + strm->opaque = (voidpf) session; + strm->zalloc = (alloc_func) comp_method_zlib_alloc; + strm->zfree = (free_func) comp_method_zlib_free; + if (compr) { + /* deflate */ + status = deflateInit(strm, Z_DEFAULT_COMPRESSION); + } else { + /* inflate */ + status = inflateInit(strm); + } + + if (status != Z_OK) { + LIBSSH2_FREE(session, strm); + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "unhandled zlib error %d", status); + return LIBSSH2_ERROR_COMPRESS; + } + *abstract = strm; + + return LIBSSH2_ERROR_NONE; +} + +/* + * libssh2_comp_method_zlib_comp + * + * Compresses source to destination. Without allocation. + */ +static int +comp_method_zlib_comp(LIBSSH2_SESSION *session, + unsigned char *dest, + + /* dest_len is a pointer to allow this function to + update it with the final actual size used */ + size_t *dest_len, + const unsigned char *src, + size_t src_len, + void **abstract) +{ + z_stream *strm = *abstract; + int out_maxlen = *dest_len; + int status; + + strm->next_in = (unsigned char *) src; + strm->avail_in = src_len; + strm->next_out = dest; + strm->avail_out = out_maxlen; + + status = deflate(strm, Z_PARTIAL_FLUSH); + + if (status != Z_OK) { + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "unhandled zlib compression error %d", status); + return _libssh2_error(session, LIBSSH2_ERROR_ZLIB, + "compression failure"); + } + + *dest_len = out_maxlen - strm->avail_out; + return 0; +} + +/* + * libssh2_comp_method_zlib_decomp + * + * Decompresses source to destination. Allocates the output memory. + */ +static int +comp_method_zlib_decomp(LIBSSH2_SESSION * session, + unsigned char **dest, + size_t *dest_len, + size_t payload_limit, + const unsigned char *src, + size_t src_len, void **abstract) +{ + z_stream *strm = *abstract; + /* A short-term alloc of a full data chunk is better than a series of + reallocs */ + char *out; + int out_maxlen = 8 * src_len; + int limiter = 0; + + /* If strm is null, then we have not yet been initialized. */ + if (strm == NULL) + return _libssh2_error(session, LIBSSH2_ERROR_COMPRESS, + "decompression unitilized");; + + /* In practice they never come smaller than this */ + if (out_maxlen < 25) + out_maxlen = 25; + + if (out_maxlen > (int) payload_limit) + out_maxlen = payload_limit; + + strm->next_in = (unsigned char *) src; + strm->avail_in = src_len; + strm->next_out = (unsigned char *) LIBSSH2_ALLOC(session, out_maxlen); + out = (char *) strm->next_out; + strm->avail_out = out_maxlen; + if (!strm->next_out) + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate decompression buffer"); + while (strm->avail_in) { + int status; + + status = inflate(strm, Z_PARTIAL_FLUSH); + + if (status != Z_OK) { + LIBSSH2_FREE(session, out); + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "unhandled zlib error %d", status); + return _libssh2_error(session, LIBSSH2_ERROR_ZLIB, + "decompression failure"); + } + if (strm->avail_in) { + size_t out_ofs = out_maxlen - strm->avail_out; + char *newout; + + out_maxlen += 8 * strm->avail_in; + + if ((out_maxlen > (int) payload_limit) && limiter++) { + LIBSSH2_FREE(session, out); + return _libssh2_error(session, LIBSSH2_ERROR_ZLIB, + "Excessive growth in decompression phase"); + } + + newout = LIBSSH2_REALLOC(session, out, out_maxlen); + if (!newout) { + LIBSSH2_FREE(session, out); + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to expand decompression buffer"); + } + out = newout; + strm->next_out = (unsigned char *) out + out_ofs; + strm->avail_out += 8 * strm->avail_in; + } else + while (!strm->avail_out) { + /* Done with input, might be a byte or two in internal buffer + * during compress. Or potentially many bytes if it's a + * decompress + */ + int grow_size = 2048; + char *newout; + + if (out_maxlen >= (int) payload_limit) { + LIBSSH2_FREE(session, out); + return _libssh2_error(session, LIBSSH2_ERROR_ZLIB, + "Excessive growth in decompression " + "phase"); + } + + if (grow_size > (int) (payload_limit - out_maxlen)) { + grow_size = payload_limit - out_maxlen; + } + + out_maxlen += grow_size; + strm->avail_out = grow_size; + + newout = LIBSSH2_REALLOC(session, out, out_maxlen); + if (!newout) { + LIBSSH2_FREE(session, out); + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to expand final " + "decompress buffer"); + } + out = newout; + strm->next_out = (unsigned char *) out + out_maxlen - + grow_size; + + status = inflate(strm, Z_PARTIAL_FLUSH); + + if (status != Z_OK) { + LIBSSH2_FREE(session, out); + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "unhandled zlib error %d", status); + return _libssh2_error(session, LIBSSH2_ERROR_ZLIB, + "decompression failure"); + } + } + } + + *dest = (unsigned char *) out; + *dest_len = out_maxlen - strm->avail_out; + + return 0; +} + + +/* libssh2_comp_method_zlib_dtor + * All done, no more compression for you + */ +static int +comp_method_zlib_dtor(LIBSSH2_SESSION *session, int compr, void **abstract) +{ + z_stream *strm = *abstract; + + if (strm) { + if (compr) + deflateEnd(strm); + else + inflateEnd(strm); + LIBSSH2_FREE(session, strm); + } + + *abstract = NULL; + return 0; +} + +static const LIBSSH2_COMP_METHOD comp_method_zlib = { + "zlib", + 1, /* yes, this compresses */ + comp_method_zlib_init, + comp_method_zlib_comp, + comp_method_zlib_decomp, + comp_method_zlib_dtor, +}; +#endif /* LIBSSH2_HAVE_ZLIB */ + +/* If compression is enabled by the API, then this array is used which then + may allow compression if zlib is available at build time */ +static const LIBSSH2_COMP_METHOD *comp_methods[] = { +#ifdef LIBSSH2_HAVE_ZLIB + &comp_method_zlib, +#endif /* LIBSSH2_HAVE_ZLIB */ + &comp_method_none, + NULL +}; + +/* If compression is disabled by the API, then this array is used */ +static const LIBSSH2_COMP_METHOD *no_comp_methods[] = { + &comp_method_none, + NULL +}; + +const LIBSSH2_COMP_METHOD ** +_libssh2_comp_methods(LIBSSH2_SESSION *session) +{ + if(session->flag.compress) + return comp_methods; + else + return no_comp_methods; +} diff --git a/vendor/libssh2-1.4.2/src/comp.h b/vendor/libssh2-1.4.2/src/comp.h new file mode 100644 index 0000000..8edc150 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/comp.h @@ -0,0 +1,45 @@ +#ifndef __LIBSSH2_COMP_H +#define __LIBSSH2_COMP_H + +/* Copyright (C) 2009-2010 by Daniel Stenberg + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + */ + +#include "libssh2_priv.h" + +const LIBSSH2_COMP_METHOD **_libssh2_comp_methods(LIBSSH2_SESSION *session); + +#endif /* __LIBSSH2_COMP_H */ diff --git a/vendor/libssh2-1.4.2/src/crypt.c b/vendor/libssh2-1.4.2/src/crypt.c new file mode 100644 index 0000000..93d99c4 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/crypt.c @@ -0,0 +1,334 @@ +/* Copyright (c) 2009, 2010 Simon Josefsson + * Copyright (c) 2004-2007, Sara Golemon + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" + +#ifdef LIBSSH2_CRYPT_NONE + +/* crypt_none_crypt + * Minimalist cipher: VERY secure *wink* + */ +static int +crypt_none_crypt(LIBSSH2_SESSION * session, unsigned char *buf, + void **abstract) +{ + /* Do nothing to the data! */ + return 0; +} + +static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_none = { + "none", + 8, /* blocksize (SSH2 defines minimum blocksize as 8) */ + 0, /* iv_len */ + 0, /* secret_len */ + 0, /* flags */ + NULL, + crypt_none_crypt, + NULL +}; +#endif /* LIBSSH2_CRYPT_NONE */ + +struct crypt_ctx +{ + int encrypt; + _libssh2_cipher_type(algo); + _libssh2_cipher_ctx h; +}; + +static int +crypt_init(LIBSSH2_SESSION * session, + const LIBSSH2_CRYPT_METHOD * method, + unsigned char *iv, int *free_iv, + unsigned char *secret, int *free_secret, + int encrypt, void **abstract) +{ + struct crypt_ctx *ctx = LIBSSH2_ALLOC(session, + sizeof(struct crypt_ctx)); + if (!ctx) + return LIBSSH2_ERROR_ALLOC; + + ctx->encrypt = encrypt; + ctx->algo = method->algo; + if (_libssh2_cipher_init(&ctx->h, ctx->algo, iv, secret, encrypt)) { + LIBSSH2_FREE(session, ctx); + return -1; + } + *abstract = ctx; + *free_iv = 1; + *free_secret = 1; + return 0; +} + +static int +crypt_encrypt(LIBSSH2_SESSION * session, unsigned char *block, + void **abstract) +{ + struct crypt_ctx *cctx = *(struct crypt_ctx **) abstract; + (void) session; + return _libssh2_cipher_crypt(&cctx->h, cctx->algo, cctx->encrypt, block); +} + +static int +crypt_dtor(LIBSSH2_SESSION * session, void **abstract) +{ + struct crypt_ctx **cctx = (struct crypt_ctx **) abstract; + if (cctx && *cctx) { + _libssh2_cipher_dtor(&(*cctx)->h); + LIBSSH2_FREE(session, *cctx); + *abstract = NULL; + } + return 0; +} + +#if LIBSSH2_AES_CTR +static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_aes128_ctr = { + "aes128-ctr", + 16, /* blocksize */ + 16, /* initial value length */ + 16, /* secret length -- 16*8 == 128bit */ + 0, /* flags */ + &crypt_init, + &crypt_encrypt, + &crypt_dtor, + _libssh2_cipher_aes128ctr +}; + +static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_aes192_ctr = { + "aes192-ctr", + 16, /* blocksize */ + 16, /* initial value length */ + 24, /* secret length -- 24*8 == 192bit */ + 0, /* flags */ + &crypt_init, + &crypt_encrypt, + &crypt_dtor, + _libssh2_cipher_aes192ctr +}; + +static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_aes256_ctr = { + "aes256-ctr", + 16, /* blocksize */ + 16, /* initial value length */ + 32, /* secret length -- 32*8 == 256bit */ + 0, /* flags */ + &crypt_init, + &crypt_encrypt, + &crypt_dtor, + _libssh2_cipher_aes256ctr +}; +#endif + +#if LIBSSH2_AES +static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_aes128_cbc = { + "aes128-cbc", + 16, /* blocksize */ + 16, /* initial value length */ + 16, /* secret length -- 16*8 == 128bit */ + 0, /* flags */ + &crypt_init, + &crypt_encrypt, + &crypt_dtor, + _libssh2_cipher_aes128 +}; + +static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_aes192_cbc = { + "aes192-cbc", + 16, /* blocksize */ + 16, /* initial value length */ + 24, /* secret length -- 24*8 == 192bit */ + 0, /* flags */ + &crypt_init, + &crypt_encrypt, + &crypt_dtor, + _libssh2_cipher_aes192 +}; + +static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_aes256_cbc = { + "aes256-cbc", + 16, /* blocksize */ + 16, /* initial value length */ + 32, /* secret length -- 32*8 == 256bit */ + 0, /* flags */ + &crypt_init, + &crypt_encrypt, + &crypt_dtor, + _libssh2_cipher_aes256 +}; + +/* rijndael-cbc@lysator.liu.se == aes256-cbc */ +static const LIBSSH2_CRYPT_METHOD + libssh2_crypt_method_rijndael_cbc_lysator_liu_se = { + "rijndael-cbc@lysator.liu.se", + 16, /* blocksize */ + 16, /* initial value length */ + 32, /* secret length -- 32*8 == 256bit */ + 0, /* flags */ + &crypt_init, + &crypt_encrypt, + &crypt_dtor, + _libssh2_cipher_aes256 +}; +#endif /* LIBSSH2_AES */ + +#if LIBSSH2_BLOWFISH +static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_blowfish_cbc = { + "blowfish-cbc", + 8, /* blocksize */ + 8, /* initial value length */ + 16, /* secret length */ + 0, /* flags */ + &crypt_init, + &crypt_encrypt, + &crypt_dtor, + _libssh2_cipher_blowfish +}; +#endif /* LIBSSH2_BLOWFISH */ + +#if LIBSSH2_RC4 +static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_arcfour = { + "arcfour", + 8, /* blocksize */ + 8, /* initial value length */ + 16, /* secret length */ + 0, /* flags */ + &crypt_init, + &crypt_encrypt, + &crypt_dtor, + _libssh2_cipher_arcfour +}; + +static int +crypt_init_arcfour128(LIBSSH2_SESSION * session, + const LIBSSH2_CRYPT_METHOD * method, + unsigned char *iv, int *free_iv, + unsigned char *secret, int *free_secret, + int encrypt, void **abstract) +{ + int rc; + + rc = crypt_init (session, method, iv, free_iv, secret, free_secret, + encrypt, abstract); + if (rc == 0) { + struct crypt_ctx *cctx = *(struct crypt_ctx **) abstract; + unsigned char block[8]; + size_t discard = 1536; + for (; discard; discard -= 8) + _libssh2_cipher_crypt(&cctx->h, cctx->algo, cctx->encrypt, block); + } + + return rc; +} + +static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_arcfour128 = { + "arcfour128", + 8, /* blocksize */ + 8, /* initial value length */ + 16, /* secret length */ + 0, /* flags */ + &crypt_init_arcfour128, + &crypt_encrypt, + &crypt_dtor, + _libssh2_cipher_arcfour +}; +#endif /* LIBSSH2_RC4 */ + +#if LIBSSH2_CAST +static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_cast128_cbc = { + "cast128-cbc", + 8, /* blocksize */ + 8, /* initial value length */ + 16, /* secret length */ + 0, /* flags */ + &crypt_init, + &crypt_encrypt, + &crypt_dtor, + _libssh2_cipher_cast5 +}; +#endif /* LIBSSH2_CAST */ + +#if LIBSSH2_3DES +static const LIBSSH2_CRYPT_METHOD libssh2_crypt_method_3des_cbc = { + "3des-cbc", + 8, /* blocksize */ + 8, /* initial value length */ + 24, /* secret length */ + 0, /* flags */ + &crypt_init, + &crypt_encrypt, + &crypt_dtor, + _libssh2_cipher_3des +}; +#endif + +static const LIBSSH2_CRYPT_METHOD *_libssh2_crypt_methods[] = { +#if LIBSSH2_AES_CTR + &libssh2_crypt_method_aes128_ctr, + &libssh2_crypt_method_aes192_ctr, + &libssh2_crypt_method_aes256_ctr, +#endif /* LIBSSH2_AES */ +#if LIBSSH2_AES + &libssh2_crypt_method_aes256_cbc, + &libssh2_crypt_method_rijndael_cbc_lysator_liu_se, /* == aes256-cbc */ + &libssh2_crypt_method_aes192_cbc, + &libssh2_crypt_method_aes128_cbc, +#endif /* LIBSSH2_AES */ +#if LIBSSH2_BLOWFISH + &libssh2_crypt_method_blowfish_cbc, +#endif /* LIBSSH2_BLOWFISH */ +#if LIBSSH2_RC4 + &libssh2_crypt_method_arcfour128, + &libssh2_crypt_method_arcfour, +#endif /* LIBSSH2_RC4 */ +#if LIBSSH2_CAST + &libssh2_crypt_method_cast128_cbc, +#endif /* LIBSSH2_CAST */ +#if LIBSSH2_3DES + &libssh2_crypt_method_3des_cbc, +#endif /* LIBSSH2_DES */ +#ifdef LIBSSH2_CRYPT_NONE + &libssh2_crypt_method_none, +#endif + NULL +}; + +/* Expose to kex.c */ +const LIBSSH2_CRYPT_METHOD ** +libssh2_crypt_methods(void) +{ + return _libssh2_crypt_methods; +} diff --git a/vendor/libssh2-1.4.2/src/crypto.h b/vendor/libssh2-1.4.2/src/crypto.h new file mode 100644 index 0000000..8cf34f5 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/crypto.h @@ -0,0 +1,118 @@ +/* Copyright (C) 2009, 2010 Simon Josefsson + * Copyright (C) 2006, 2007 The Written Word, Inc. All rights reserved. + * Copyright (C) 2010 Daniel Stenberg + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ +#ifndef LIBSSH2_CRYPTO_H +#define LIBSSH2_CRYPTO_H + +#ifdef LIBSSH2_LIBGCRYPT +#include "libgcrypt.h" +#else +#include "openssl.h" +#endif + +int _libssh2_rsa_new(libssh2_rsa_ctx ** rsa, + const unsigned char *edata, + unsigned long elen, + const unsigned char *ndata, + unsigned long nlen, + const unsigned char *ddata, + unsigned long dlen, + const unsigned char *pdata, + unsigned long plen, + const unsigned char *qdata, + unsigned long qlen, + const unsigned char *e1data, + unsigned long e1len, + const unsigned char *e2data, + unsigned long e2len, + const unsigned char *coeffdata, unsigned long coefflen); +int _libssh2_rsa_new_private(libssh2_rsa_ctx ** rsa, + LIBSSH2_SESSION * session, + const char *filename, + unsigned const char *passphrase); +int _libssh2_rsa_sha1_verify(libssh2_rsa_ctx * rsa, + const unsigned char *sig, + unsigned long sig_len, + const unsigned char *m, unsigned long m_len); +int _libssh2_rsa_sha1_sign(LIBSSH2_SESSION * session, + libssh2_rsa_ctx * rsactx, + const unsigned char *hash, + size_t hash_len, + unsigned char **signature, + size_t *signature_len); + +int _libssh2_dsa_new(libssh2_dsa_ctx ** dsa, + const unsigned char *pdata, + unsigned long plen, + const unsigned char *qdata, + unsigned long qlen, + const unsigned char *gdata, + unsigned long glen, + const unsigned char *ydata, + unsigned long ylen, + const unsigned char *x, unsigned long x_len); +int _libssh2_dsa_new_private(libssh2_dsa_ctx ** dsa, + LIBSSH2_SESSION * session, + const char *filename, + unsigned const char *passphrase); +int _libssh2_dsa_sha1_verify(libssh2_dsa_ctx * dsactx, + const unsigned char *sig, + const unsigned char *m, unsigned long m_len); +int _libssh2_dsa_sha1_sign(libssh2_dsa_ctx * dsactx, + const unsigned char *hash, + unsigned long hash_len, unsigned char *sig); + +int _libssh2_cipher_init(_libssh2_cipher_ctx * h, + _libssh2_cipher_type(algo), + unsigned char *iv, + unsigned char *secret, int encrypt); + +int _libssh2_cipher_crypt(_libssh2_cipher_ctx * ctx, + _libssh2_cipher_type(algo), + int encrypt, unsigned char *block); + +int _libssh2_pub_priv_keyfile(LIBSSH2_SESSION *session, + unsigned char **method, + size_t *method_len, + unsigned char **pubkeydata, + size_t *pubkeydata_len, + const char *privatekey, + const char *passphrase); + +void _libssh2_init_aes_ctr(void); + +#endif diff --git a/vendor/libssh2-1.4.2/src/global.c b/vendor/libssh2-1.4.2/src/global.c new file mode 100644 index 0000000..dc45e70 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/global.c @@ -0,0 +1,78 @@ +/* Copyright (c) 2010 Lars Nordin + * Copyright (C) 2010 Simon Josefsson + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" + +static int _libssh2_initialized = 0; +static int _libssh2_init_flags = 0; + +LIBSSH2_API int +libssh2_init(int flags) +{ + if (_libssh2_initialized == 0 && !(flags & LIBSSH2_INIT_NO_CRYPTO)) { + libssh2_crypto_init(); + _libssh2_init_aes_ctr(); + } + + _libssh2_initialized++; + _libssh2_init_flags |= flags; + + return 0; +} + +LIBSSH2_API void +libssh2_exit(void) +{ + if (_libssh2_initialized == 0) + return; + + _libssh2_initialized--; + + if (!(_libssh2_init_flags & LIBSSH2_INIT_NO_CRYPTO)) { + libssh2_crypto_exit(); + } + + return; +} + +void +_libssh2_init_if_needed(void) +{ + if (_libssh2_initialized == 0) + (void)libssh2_init (0); +} diff --git a/vendor/libssh2-1.4.2/src/hostkey.c b/vendor/libssh2-1.4.2/src/hostkey.c new file mode 100644 index 0000000..53f7479 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/hostkey.c @@ -0,0 +1,485 @@ +/* Copyright (c) 2004-2006, Sara Golemon + * Copyright (c) 2009 by Daniel Stenberg + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" +#include "misc.h" + +/* Needed for struct iovec on some platforms */ +#ifdef HAVE_SYS_UIO_H +#include +#endif + +#if LIBSSH2_RSA +/* *********** + * ssh-rsa * + *********** */ + +static int hostkey_method_ssh_rsa_dtor(LIBSSH2_SESSION * session, + void **abstract); + +/* + * hostkey_method_ssh_rsa_init + * + * Initialize the server hostkey working area with e/n pair + */ +static int +hostkey_method_ssh_rsa_init(LIBSSH2_SESSION * session, + const unsigned char *hostkey_data, + size_t hostkey_data_len, + void **abstract) +{ + libssh2_rsa_ctx *rsactx; + const unsigned char *s, *e, *n; + unsigned long len, e_len, n_len; + + (void) hostkey_data_len; + + if (*abstract) { + hostkey_method_ssh_rsa_dtor(session, abstract); + *abstract = NULL; + } + + s = hostkey_data; + len = _libssh2_ntohu32(s); + s += 4; + + if (len != 7 || strncmp((char *) s, "ssh-rsa", 7) != 0) { + return -1; + } + s += 7; + + e_len = _libssh2_ntohu32(s); + s += 4; + + e = s; + s += e_len; + n_len = _libssh2_ntohu32(s); + s += 4; + n = s; + + if (_libssh2_rsa_new(&rsactx, e, e_len, n, n_len, NULL, 0, + NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL, 0)) + return -1; + + *abstract = rsactx; + + return 0; +} + +/* + * hostkey_method_ssh_rsa_initPEM + * + * Load a Private Key from a PEM file + */ +static int +hostkey_method_ssh_rsa_initPEM(LIBSSH2_SESSION * session, + const char *privkeyfile, + unsigned const char *passphrase, + void **abstract) +{ + libssh2_rsa_ctx *rsactx; + int ret; + + if (*abstract) { + hostkey_method_ssh_rsa_dtor(session, abstract); + *abstract = NULL; + } + + ret = _libssh2_rsa_new_private(&rsactx, session, privkeyfile, passphrase); + if (ret) { + return -1; + } + + *abstract = rsactx; + + return 0; +} + +/* + * hostkey_method_ssh_rsa_sign + * + * Verify signature created by remote + */ +static int +hostkey_method_ssh_rsa_sig_verify(LIBSSH2_SESSION * session, + const unsigned char *sig, + size_t sig_len, + const unsigned char *m, + size_t m_len, void **abstract) +{ + libssh2_rsa_ctx *rsactx = (libssh2_rsa_ctx *) (*abstract); + (void) session; + + /* Skip past keyname_len(4) + keyname(7){"ssh-rsa"} + signature_len(4) */ + sig += 15; + sig_len -= 15; + return _libssh2_rsa_sha1_verify(rsactx, sig, sig_len, m, m_len); +} + +/* + * hostkey_method_ssh_rsa_signv + * + * Construct a signature from an array of vectors + */ +static int +hostkey_method_ssh_rsa_signv(LIBSSH2_SESSION * session, + unsigned char **signature, + size_t *signature_len, + int veccount, + const struct iovec datavec[], + void **abstract) +{ + libssh2_rsa_ctx *rsactx = (libssh2_rsa_ctx *) (*abstract); + int ret; + int i; + unsigned char hash[SHA_DIGEST_LENGTH]; + libssh2_sha1_ctx ctx; + + libssh2_sha1_init(&ctx); + for(i = 0; i < veccount; i++) { + libssh2_sha1_update(ctx, datavec[i].iov_base, datavec[i].iov_len); + } + libssh2_sha1_final(ctx, hash); + + ret = _libssh2_rsa_sha1_sign(session, rsactx, hash, SHA_DIGEST_LENGTH, + signature, signature_len); + if (ret) { + return -1; + } + + return 0; +} + +/* + * hostkey_method_ssh_rsa_dtor + * + * Shutdown the hostkey + */ +static int +hostkey_method_ssh_rsa_dtor(LIBSSH2_SESSION * session, void **abstract) +{ + libssh2_rsa_ctx *rsactx = (libssh2_rsa_ctx *) (*abstract); + (void) session; + + _libssh2_rsa_free(rsactx); + + *abstract = NULL; + + return 0; +} + +static const LIBSSH2_HOSTKEY_METHOD hostkey_method_ssh_rsa = { + "ssh-rsa", + MD5_DIGEST_LENGTH, + hostkey_method_ssh_rsa_init, + hostkey_method_ssh_rsa_initPEM, + hostkey_method_ssh_rsa_sig_verify, + hostkey_method_ssh_rsa_signv, + NULL, /* encrypt */ + hostkey_method_ssh_rsa_dtor, +}; +#endif /* LIBSSH2_RSA */ + +#if LIBSSH2_DSA +/* *********** + * ssh-dss * + *********** */ + +static int hostkey_method_ssh_dss_dtor(LIBSSH2_SESSION * session, + void **abstract); + +/* + * hostkey_method_ssh_dss_init + * + * Initialize the server hostkey working area with p/q/g/y set + */ +static int +hostkey_method_ssh_dss_init(LIBSSH2_SESSION * session, + const unsigned char *hostkey_data, + size_t hostkey_data_len, + void **abstract) +{ + libssh2_dsa_ctx *dsactx; + const unsigned char *p, *q, *g, *y, *s; + unsigned long p_len, q_len, g_len, y_len, len; + (void) hostkey_data_len; + + if (*abstract) { + hostkey_method_ssh_dss_dtor(session, abstract); + *abstract = NULL; + } + + s = hostkey_data; + len = _libssh2_ntohu32(s); + s += 4; + if (len != 7 || strncmp((char *) s, "ssh-dss", 7) != 0) { + return -1; + } + s += 7; + + p_len = _libssh2_ntohu32(s); + s += 4; + p = s; + s += p_len; + q_len = _libssh2_ntohu32(s); + s += 4; + q = s; + s += q_len; + g_len = _libssh2_ntohu32(s); + s += 4; + g = s; + s += g_len; + y_len = _libssh2_ntohu32(s); + s += 4; + y = s; + /* s += y_len; */ + + _libssh2_dsa_new(&dsactx, p, p_len, q, q_len, g, g_len, y, y_len, NULL, 0); + + *abstract = dsactx; + + return 0; +} + +/* + * hostkey_method_ssh_dss_initPEM + * + * Load a Private Key from a PEM file + */ +static int +hostkey_method_ssh_dss_initPEM(LIBSSH2_SESSION * session, + const char *privkeyfile, + unsigned const char *passphrase, + void **abstract) +{ + libssh2_dsa_ctx *dsactx; + int ret; + + if (*abstract) { + hostkey_method_ssh_dss_dtor(session, abstract); + *abstract = NULL; + } + + ret = _libssh2_dsa_new_private(&dsactx, session, privkeyfile, passphrase); + if (ret) { + return -1; + } + + *abstract = dsactx; + + return 0; +} + +/* + * libssh2_hostkey_method_ssh_dss_sign + * + * Verify signature created by remote + */ +static int +hostkey_method_ssh_dss_sig_verify(LIBSSH2_SESSION * session, + const unsigned char *sig, + size_t sig_len, + const unsigned char *m, + size_t m_len, void **abstract) +{ + libssh2_dsa_ctx *dsactx = (libssh2_dsa_ctx *) (*abstract); + + /* Skip past keyname_len(4) + keyname(7){"ssh-dss"} + signature_len(4) */ + sig += 15; + sig_len -= 15; + if (sig_len != 40) { + return _libssh2_error(session, LIBSSH2_ERROR_PROTO, + "Invalid DSS signature length"); + } + return _libssh2_dsa_sha1_verify(dsactx, sig, m, m_len); +} + +/* + * hostkey_method_ssh_dss_signv + * + * Construct a signature from an array of vectors + */ +static int +hostkey_method_ssh_dss_signv(LIBSSH2_SESSION * session, + unsigned char **signature, + size_t *signature_len, + int veccount, + const struct iovec datavec[], + void **abstract) +{ + libssh2_dsa_ctx *dsactx = (libssh2_dsa_ctx *) (*abstract); + unsigned char hash[SHA_DIGEST_LENGTH]; + libssh2_sha1_ctx ctx; + int i; + + *signature = LIBSSH2_ALLOC(session, 2 * SHA_DIGEST_LENGTH); + if (!*signature) { + return -1; + } + + *signature_len = 2 * SHA_DIGEST_LENGTH; + memset(*signature, 0, 2 * SHA_DIGEST_LENGTH); + + libssh2_sha1_init(&ctx); + for(i = 0; i < veccount; i++) { + libssh2_sha1_update(ctx, datavec[i].iov_base, datavec[i].iov_len); + } + libssh2_sha1_final(ctx, hash); + + if (_libssh2_dsa_sha1_sign(dsactx, hash, SHA_DIGEST_LENGTH, *signature)) { + LIBSSH2_FREE(session, *signature); + return -1; + } + + return 0; +} + +/* + * libssh2_hostkey_method_ssh_dss_dtor + * + * Shutdown the hostkey method + */ +static int +hostkey_method_ssh_dss_dtor(LIBSSH2_SESSION * session, void **abstract) +{ + libssh2_dsa_ctx *dsactx = (libssh2_dsa_ctx *) (*abstract); + (void) session; + + _libssh2_dsa_free(dsactx); + + *abstract = NULL; + + return 0; +} + +static const LIBSSH2_HOSTKEY_METHOD hostkey_method_ssh_dss = { + "ssh-dss", + MD5_DIGEST_LENGTH, + hostkey_method_ssh_dss_init, + hostkey_method_ssh_dss_initPEM, + hostkey_method_ssh_dss_sig_verify, + hostkey_method_ssh_dss_signv, + NULL, /* encrypt */ + hostkey_method_ssh_dss_dtor, +}; +#endif /* LIBSSH2_DSA */ + +static const LIBSSH2_HOSTKEY_METHOD *hostkey_methods[] = { +#if LIBSSH2_RSA + &hostkey_method_ssh_rsa, +#endif /* LIBSSH2_RSA */ +#if LIBSSH2_DSA + &hostkey_method_ssh_dss, +#endif /* LIBSSH2_DSA */ + NULL +}; + +const LIBSSH2_HOSTKEY_METHOD ** +libssh2_hostkey_methods(void) +{ + return hostkey_methods; +} + +/* + * libssh2_hostkey_hash + * + * Returns hash signature + * Returned buffer should NOT be freed + * Length of buffer is determined by hash type + * i.e. MD5 == 16, SHA1 == 20 + */ +LIBSSH2_API const char * +libssh2_hostkey_hash(LIBSSH2_SESSION * session, int hash_type) +{ + switch (hash_type) { +#if LIBSSH2_MD5 + case LIBSSH2_HOSTKEY_HASH_MD5: + return (char *) session->server_hostkey_md5; + break; +#endif /* LIBSSH2_MD5 */ + case LIBSSH2_HOSTKEY_HASH_SHA1: + return (char *) session->server_hostkey_sha1; + break; + default: + return NULL; + } +} + +static int hostkey_type(const unsigned char *hostkey, size_t len) +{ + const unsigned char rsa[] = { + 0, 0, 0, 0x07, 's', 's', 'h', '-', 'r', 's', 'a' + }; + const unsigned char dss[] = { + 0, 0, 0, 0x07, 's', 's', 'h', '-', 'd', 's', 's' + }; + + if (len < 11) + return LIBSSH2_HOSTKEY_TYPE_UNKNOWN; + + if (!memcmp(rsa, hostkey, 11)) + return LIBSSH2_HOSTKEY_TYPE_RSA; + + if (!memcmp(dss, hostkey, 11)) + return LIBSSH2_HOSTKEY_TYPE_DSS; + + return LIBSSH2_HOSTKEY_TYPE_UNKNOWN; +} + +/* + * libssh2_session_hostkey() + * + * Returns the server key and length. + * + */ +LIBSSH2_API const char * +libssh2_session_hostkey(LIBSSH2_SESSION *session, size_t *len, int *type) +{ + if(session->server_hostkey_len) { + if(len) + *len = session->server_hostkey_len; + if (type) + *type = hostkey_type(session->server_hostkey, + session->server_hostkey_len); + return (char *) session->server_hostkey; + } + if(len) + *len = 0; + return NULL; +} + diff --git a/vendor/libssh2-1.4.2/src/keepalive.c b/vendor/libssh2-1.4.2/src/keepalive.c new file mode 100644 index 0000000..260206a --- /dev/null +++ b/vendor/libssh2-1.4.2/src/keepalive.c @@ -0,0 +1,98 @@ +/* Copyright (C) 2010 Simon Josefsson + * Author: Simon Josefsson + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + */ + +#include "libssh2_priv.h" +#include "transport.h" /* _libssh2_transport_write */ + +/* Keep-alive stuff. */ + +LIBSSH2_API void +libssh2_keepalive_config (LIBSSH2_SESSION *session, + int want_reply, + unsigned interval) +{ + if (interval == 1) + session->keepalive_interval = 2; + else + session->keepalive_interval = interval; + session->keepalive_want_reply = want_reply ? 1 : 0; +} + +LIBSSH2_API int +libssh2_keepalive_send (LIBSSH2_SESSION *session, + int *seconds_to_next) +{ + time_t now; + + if (!session->keepalive_interval) { + if (seconds_to_next) + *seconds_to_next = 0; + return 0; + } + + now = time (NULL); + + if (session->keepalive_last_sent + session->keepalive_interval <= now) { + /* Format is + "SSH_MSG_GLOBAL_REQUEST || 4-byte len || str || want-reply". */ + unsigned char keepalive_data[] + = "\x50\x00\x00\x00\x15keepalive@libssh2.orgW"; + size_t len = sizeof (keepalive_data) - 1; + int rc; + + keepalive_data[len - 1] = session->keepalive_want_reply; + + rc = _libssh2_transport_send(session, keepalive_data, len, NULL, 0); + /* Silently ignore PACKET_EAGAIN here: if the write buffer is + already full, sending another keepalive is not useful. */ + if (rc && rc != LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send keepalive message"); + return rc; + } + + session->keepalive_last_sent = now; + if (seconds_to_next) + *seconds_to_next = session->keepalive_interval; + } else if (seconds_to_next) { + *seconds_to_next = (int) session->keepalive_last_sent + + session->keepalive_interval - now; + } + + return 0; +} diff --git a/vendor/libssh2-1.4.2/src/kex.c b/vendor/libssh2-1.4.2/src/kex.c new file mode 100644 index 0000000..0a72cb7 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/kex.c @@ -0,0 +1,2008 @@ +/* Copyright (c) 2004-2007, Sara Golemon + * Copyright (c) 2010, Daniel Stenberg + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" + +#include "transport.h" +#include "comp.h" +#include "mac.h" + +/* TODO: Switch this to an inline and handle alloc() failures */ +/* Helper macro called from kex_method_diffie_hellman_group1_sha1_key_exchange */ +#define LIBSSH2_KEX_METHOD_DIFFIE_HELLMAN_SHA1_HASH(value, reqlen, version) \ + { \ + libssh2_sha1_ctx hash; \ + unsigned long len = 0; \ + if (!(value)) { \ + value = LIBSSH2_ALLOC(session, reqlen + SHA_DIGEST_LENGTH); \ + } \ + if (value) \ + while (len < (unsigned long)reqlen) { \ + libssh2_sha1_init(&hash); \ + libssh2_sha1_update(hash, exchange_state->k_value, \ + exchange_state->k_value_len); \ + libssh2_sha1_update(hash, exchange_state->h_sig_comp, \ + SHA_DIGEST_LENGTH); \ + if (len > 0) { \ + libssh2_sha1_update(hash, value, len); \ + } else { \ + libssh2_sha1_update(hash, (version), 1); \ + libssh2_sha1_update(hash, session->session_id, \ + session->session_id_len); \ + } \ + libssh2_sha1_final(hash, (value) + len); \ + len += SHA_DIGEST_LENGTH; \ + } \ + } + +/* + * diffie_hellman_sha1 + * + * Diffie Hellman Key Exchange, Group Agnostic + */ +static int diffie_hellman_sha1(LIBSSH2_SESSION *session, + _libssh2_bn *g, + _libssh2_bn *p, + int group_order, + unsigned char packet_type_init, + unsigned char packet_type_reply, + unsigned char *midhash, + unsigned long midhash_len, + kmdhgGPsha1kex_state_t *exchange_state) +{ + int ret = 0; + int rc; + + if (exchange_state->state == libssh2_NB_state_idle) { + /* Setup initial values */ + exchange_state->e_packet = NULL; + exchange_state->s_packet = NULL; + exchange_state->k_value = NULL; + exchange_state->ctx = _libssh2_bn_ctx_new(); + exchange_state->x = _libssh2_bn_init(); /* Random from client */ + exchange_state->e = _libssh2_bn_init(); /* g^x mod p */ + exchange_state->f = _libssh2_bn_init(); /* g^(Random from server) mod p */ + exchange_state->k = _libssh2_bn_init(); /* The shared secret: f^x mod p */ + + /* Zero the whole thing out */ + memset(&exchange_state->req_state, 0, sizeof(packet_require_state_t)); + + /* Generate x and e */ + _libssh2_bn_rand(exchange_state->x, group_order, 0, -1); + _libssh2_bn_mod_exp(exchange_state->e, g, exchange_state->x, p, + exchange_state->ctx); + + /* Send KEX init */ + /* packet_type(1) + String Length(4) + leading 0(1) */ + exchange_state->e_packet_len = + _libssh2_bn_bytes(exchange_state->e) + 6; + if (_libssh2_bn_bits(exchange_state->e) % 8) { + /* Leading 00 not needed */ + exchange_state->e_packet_len--; + } + + exchange_state->e_packet = + LIBSSH2_ALLOC(session, exchange_state->e_packet_len); + if (!exchange_state->e_packet) { + ret = _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Out of memory error"); + goto clean_exit; + } + exchange_state->e_packet[0] = packet_type_init; + _libssh2_htonu32(exchange_state->e_packet + 1, + exchange_state->e_packet_len - 5); + if (_libssh2_bn_bits(exchange_state->e) % 8) { + _libssh2_bn_to_bin(exchange_state->e, + exchange_state->e_packet + 5); + } else { + exchange_state->e_packet[5] = 0; + _libssh2_bn_to_bin(exchange_state->e, + exchange_state->e_packet + 6); + } + + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Sending KEX packet %d", + (int) packet_type_init); + exchange_state->state = libssh2_NB_state_created; + } + + if (exchange_state->state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, exchange_state->e_packet, + exchange_state->e_packet_len, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + ret = _libssh2_error(session, rc, + "Unable to send KEX init message"); + goto clean_exit; + } + exchange_state->state = libssh2_NB_state_sent; + } + + if (exchange_state->state == libssh2_NB_state_sent) { + if (session->burn_optimistic_kexinit) { + /* The first KEX packet to come along will be the guess initially + * sent by the server. That guess turned out to be wrong so we + * need to silently ignore it */ + int burn_type; + + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Waiting for badly guessed KEX packet (to be ignored)"); + burn_type = + _libssh2_packet_burn(session, &exchange_state->burn_state); + if (burn_type == LIBSSH2_ERROR_EAGAIN) { + return burn_type; + } else if (burn_type <= 0) { + /* Failed to receive a packet */ + ret = burn_type; + goto clean_exit; + } + session->burn_optimistic_kexinit = 0; + + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Burnt packet of type: %02x", + (unsigned int) burn_type); + } + + exchange_state->state = libssh2_NB_state_sent1; + } + + if (exchange_state->state == libssh2_NB_state_sent1) { + /* Wait for KEX reply */ + rc = _libssh2_packet_require(session, packet_type_reply, + &exchange_state->s_packet, + &exchange_state->s_packet_len, 0, NULL, + 0, &exchange_state->req_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } + if (rc) { + ret = _libssh2_error(session, LIBSSH2_ERROR_TIMEOUT, + "Timed out waiting for KEX reply"); + goto clean_exit; + } + + /* Parse KEXDH_REPLY */ + exchange_state->s = exchange_state->s_packet + 1; + + session->server_hostkey_len = _libssh2_ntohu32(exchange_state->s); + exchange_state->s += 4; + session->server_hostkey = + LIBSSH2_ALLOC(session, session->server_hostkey_len); + if (!session->server_hostkey) { + ret = _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for a copy " + "of the host key"); + goto clean_exit; + } + memcpy(session->server_hostkey, exchange_state->s, + session->server_hostkey_len); + exchange_state->s += session->server_hostkey_len; + +#if LIBSSH2_MD5 + { + libssh2_md5_ctx fingerprint_ctx; + + libssh2_md5_init(&fingerprint_ctx); + libssh2_md5_update(fingerprint_ctx, session->server_hostkey, + session->server_hostkey_len); + libssh2_md5_final(fingerprint_ctx, session->server_hostkey_md5); + } +#ifdef LIBSSH2DEBUG + { + char fingerprint[50], *fprint = fingerprint; + int i; + for(i = 0; i < 16; i++, fprint += 3) { + snprintf(fprint, 4, "%02x:", session->server_hostkey_md5[i]); + } + *(--fprint) = '\0'; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Server's MD5 Fingerprint: %s", fingerprint); + } +#endif /* LIBSSH2DEBUG */ +#endif /* ! LIBSSH2_MD5 */ + + { + libssh2_sha1_ctx fingerprint_ctx; + + libssh2_sha1_init(&fingerprint_ctx); + libssh2_sha1_update(fingerprint_ctx, session->server_hostkey, + session->server_hostkey_len); + libssh2_sha1_final(fingerprint_ctx, session->server_hostkey_sha1); + } +#ifdef LIBSSH2DEBUG + { + char fingerprint[64], *fprint = fingerprint; + int i; + + for(i = 0; i < 20; i++, fprint += 3) { + snprintf(fprint, 4, "%02x:", session->server_hostkey_sha1[i]); + } + *(--fprint) = '\0'; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Server's SHA1 Fingerprint: %s", fingerprint); + } +#endif /* LIBSSH2DEBUG */ + + if (session->hostkey->init(session, session->server_hostkey, + session->server_hostkey_len, + &session->server_hostkey_abstract)) { + ret = _libssh2_error(session, LIBSSH2_ERROR_HOSTKEY_INIT, + "Unable to initialize hostkey importer"); + goto clean_exit; + } + + exchange_state->f_value_len = _libssh2_ntohu32(exchange_state->s); + exchange_state->s += 4; + exchange_state->f_value = exchange_state->s; + exchange_state->s += exchange_state->f_value_len; + _libssh2_bn_from_bin(exchange_state->f, exchange_state->f_value_len, + exchange_state->f_value); + + exchange_state->h_sig_len = _libssh2_ntohu32(exchange_state->s); + exchange_state->s += 4; + exchange_state->h_sig = exchange_state->s; + + /* Compute the shared secret */ + _libssh2_bn_mod_exp(exchange_state->k, exchange_state->f, + exchange_state->x, p, exchange_state->ctx); + exchange_state->k_value_len = _libssh2_bn_bytes(exchange_state->k) + 5; + if (_libssh2_bn_bits(exchange_state->k) % 8) { + /* don't need leading 00 */ + exchange_state->k_value_len--; + } + exchange_state->k_value = + LIBSSH2_ALLOC(session, exchange_state->k_value_len); + if (!exchange_state->k_value) { + ret = _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate buffer for K"); + goto clean_exit; + } + _libssh2_htonu32(exchange_state->k_value, + exchange_state->k_value_len - 4); + if (_libssh2_bn_bits(exchange_state->k) % 8) { + _libssh2_bn_to_bin(exchange_state->k, exchange_state->k_value + 4); + } else { + exchange_state->k_value[4] = 0; + _libssh2_bn_to_bin(exchange_state->k, exchange_state->k_value + 5); + } + + libssh2_sha1_init(&exchange_state->exchange_hash); + if (session->local.banner) { + _libssh2_htonu32(exchange_state->h_sig_comp, + strlen((char *) session->local.banner) - 2); + libssh2_sha1_update(exchange_state->exchange_hash, + exchange_state->h_sig_comp, 4); + libssh2_sha1_update(exchange_state->exchange_hash, + (char *) session->local.banner, + strlen((char *) session->local.banner) - 2); + } else { + _libssh2_htonu32(exchange_state->h_sig_comp, + sizeof(LIBSSH2_SSH_DEFAULT_BANNER) - 1); + libssh2_sha1_update(exchange_state->exchange_hash, + exchange_state->h_sig_comp, 4); + libssh2_sha1_update(exchange_state->exchange_hash, + LIBSSH2_SSH_DEFAULT_BANNER, + sizeof(LIBSSH2_SSH_DEFAULT_BANNER) - 1); + } + + _libssh2_htonu32(exchange_state->h_sig_comp, + strlen((char *) session->remote.banner)); + libssh2_sha1_update(exchange_state->exchange_hash, + exchange_state->h_sig_comp, 4); + libssh2_sha1_update(exchange_state->exchange_hash, + session->remote.banner, + strlen((char *) session->remote.banner)); + + _libssh2_htonu32(exchange_state->h_sig_comp, + session->local.kexinit_len); + libssh2_sha1_update(exchange_state->exchange_hash, + exchange_state->h_sig_comp, 4); + libssh2_sha1_update(exchange_state->exchange_hash, + session->local.kexinit, + session->local.kexinit_len); + + _libssh2_htonu32(exchange_state->h_sig_comp, + session->remote.kexinit_len); + libssh2_sha1_update(exchange_state->exchange_hash, + exchange_state->h_sig_comp, 4); + libssh2_sha1_update(exchange_state->exchange_hash, + session->remote.kexinit, + session->remote.kexinit_len); + + _libssh2_htonu32(exchange_state->h_sig_comp, + session->server_hostkey_len); + libssh2_sha1_update(exchange_state->exchange_hash, + exchange_state->h_sig_comp, 4); + libssh2_sha1_update(exchange_state->exchange_hash, + session->server_hostkey, + session->server_hostkey_len); + + if (packet_type_init == SSH_MSG_KEX_DH_GEX_INIT) { + /* diffie-hellman-group-exchange hashes additional fields */ +#ifdef LIBSSH2_DH_GEX_NEW + _libssh2_htonu32(exchange_state->h_sig_comp, + LIBSSH2_DH_GEX_MINGROUP); + _libssh2_htonu32(exchange_state->h_sig_comp + 4, + LIBSSH2_DH_GEX_OPTGROUP); + _libssh2_htonu32(exchange_state->h_sig_comp + 8, + LIBSSH2_DH_GEX_MAXGROUP); + libssh2_sha1_update(exchange_state->exchange_hash, + exchange_state->h_sig_comp, 12); +#else + _libssh2_htonu32(exchange_state->h_sig_comp, + LIBSSH2_DH_GEX_OPTGROUP); + libssh2_sha1_update(exchange_state->exchange_hash, + exchange_state->h_sig_comp, 4); +#endif + } + + if (midhash) { + libssh2_sha1_update(exchange_state->exchange_hash, midhash, + midhash_len); + } + + libssh2_sha1_update(exchange_state->exchange_hash, + exchange_state->e_packet + 1, + exchange_state->e_packet_len - 1); + + _libssh2_htonu32(exchange_state->h_sig_comp, + exchange_state->f_value_len); + libssh2_sha1_update(exchange_state->exchange_hash, + exchange_state->h_sig_comp, 4); + libssh2_sha1_update(exchange_state->exchange_hash, + exchange_state->f_value, + exchange_state->f_value_len); + + libssh2_sha1_update(exchange_state->exchange_hash, + exchange_state->k_value, + exchange_state->k_value_len); + + libssh2_sha1_final(exchange_state->exchange_hash, + exchange_state->h_sig_comp); + + if (session->hostkey-> + sig_verify(session, exchange_state->h_sig, + exchange_state->h_sig_len, exchange_state->h_sig_comp, + 20, &session->server_hostkey_abstract)) { + ret = _libssh2_error(session, LIBSSH2_ERROR_HOSTKEY_SIGN, + "Unable to verify hostkey signature"); + goto clean_exit; + } + + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Sending NEWKEYS message"); + exchange_state->c = SSH_MSG_NEWKEYS; + + exchange_state->state = libssh2_NB_state_sent2; + } + + if (exchange_state->state == libssh2_NB_state_sent2) { + rc = _libssh2_transport_send(session, &exchange_state->c, 1, NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + ret = _libssh2_error(session, rc, "Unable to send NEWKEYS message"); + goto clean_exit; + } + + exchange_state->state = libssh2_NB_state_sent3; + } + + if (exchange_state->state == libssh2_NB_state_sent3) { + rc = _libssh2_packet_require(session, SSH_MSG_NEWKEYS, + &exchange_state->tmp, + &exchange_state->tmp_len, 0, NULL, 0, + &exchange_state->req_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + ret = _libssh2_error(session, rc, "Timed out waiting for NEWKEYS"); + goto clean_exit; + } + /* The first key exchange has been performed, + switch to active crypt/comp/mac mode */ + session->state |= LIBSSH2_STATE_NEWKEYS; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Received NEWKEYS message"); + + /* This will actually end up being just packet_type(1) + for this packet type anyway */ + LIBSSH2_FREE(session, exchange_state->tmp); + + if (!session->session_id) { + session->session_id = LIBSSH2_ALLOC(session, SHA_DIGEST_LENGTH); + if (!session->session_id) { + ret = _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate buffer for SHA digest"); + goto clean_exit; + } + memcpy(session->session_id, exchange_state->h_sig_comp, + SHA_DIGEST_LENGTH); + session->session_id_len = SHA_DIGEST_LENGTH; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "session_id calculated"); + } + + /* Cleanup any existing cipher */ + if (session->local.crypt->dtor) { + session->local.crypt->dtor(session, + &session->local.crypt_abstract); + } + + /* Calculate IV/Secret/Key for each direction */ + if (session->local.crypt->init) { + unsigned char *iv = NULL, *secret = NULL; + int free_iv = 0, free_secret = 0; + + LIBSSH2_KEX_METHOD_DIFFIE_HELLMAN_SHA1_HASH(iv, + session->local.crypt-> + iv_len, "A"); + if (!iv) { + ret = -1; + goto clean_exit; + } + LIBSSH2_KEX_METHOD_DIFFIE_HELLMAN_SHA1_HASH(secret, + session->local.crypt-> + secret_len, "C"); + if (!secret) { + LIBSSH2_FREE(session, iv); + ret = LIBSSH2_ERROR_KEX_FAILURE; + goto clean_exit; + } + if (session->local.crypt-> + init(session, session->local.crypt, iv, &free_iv, secret, + &free_secret, 1, &session->local.crypt_abstract)) { + LIBSSH2_FREE(session, iv); + LIBSSH2_FREE(session, secret); + ret = LIBSSH2_ERROR_KEX_FAILURE; + goto clean_exit; + } + + if (free_iv) { + memset(iv, 0, session->local.crypt->iv_len); + LIBSSH2_FREE(session, iv); + } + + if (free_secret) { + memset(secret, 0, session->local.crypt->secret_len); + LIBSSH2_FREE(session, secret); + } + } + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Client to Server IV and Key calculated"); + + if (session->remote.crypt->dtor) { + /* Cleanup any existing cipher */ + session->remote.crypt->dtor(session, + &session->remote.crypt_abstract); + } + + if (session->remote.crypt->init) { + unsigned char *iv = NULL, *secret = NULL; + int free_iv = 0, free_secret = 0; + + LIBSSH2_KEX_METHOD_DIFFIE_HELLMAN_SHA1_HASH(iv, + session->remote.crypt-> + iv_len, "B"); + if (!iv) { + ret = LIBSSH2_ERROR_KEX_FAILURE; + goto clean_exit; + } + LIBSSH2_KEX_METHOD_DIFFIE_HELLMAN_SHA1_HASH(secret, + session->remote.crypt-> + secret_len, "D"); + if (!secret) { + LIBSSH2_FREE(session, iv); + ret = LIBSSH2_ERROR_KEX_FAILURE; + goto clean_exit; + } + if (session->remote.crypt-> + init(session, session->remote.crypt, iv, &free_iv, secret, + &free_secret, 0, &session->remote.crypt_abstract)) { + LIBSSH2_FREE(session, iv); + LIBSSH2_FREE(session, secret); + ret = LIBSSH2_ERROR_KEX_FAILURE; + goto clean_exit; + } + + if (free_iv) { + memset(iv, 0, session->remote.crypt->iv_len); + LIBSSH2_FREE(session, iv); + } + + if (free_secret) { + memset(secret, 0, session->remote.crypt->secret_len); + LIBSSH2_FREE(session, secret); + } + } + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Server to Client IV and Key calculated"); + + if (session->local.mac->dtor) { + session->local.mac->dtor(session, &session->local.mac_abstract); + } + + if (session->local.mac->init) { + unsigned char *key = NULL; + int free_key = 0; + + LIBSSH2_KEX_METHOD_DIFFIE_HELLMAN_SHA1_HASH(key, + session->local.mac-> + key_len, "E"); + if (!key) { + ret = LIBSSH2_ERROR_KEX_FAILURE; + goto clean_exit; + } + session->local.mac->init(session, key, &free_key, + &session->local.mac_abstract); + + if (free_key) { + memset(key, 0, session->local.mac->key_len); + LIBSSH2_FREE(session, key); + } + } + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Client to Server HMAC Key calculated"); + + if (session->remote.mac->dtor) { + session->remote.mac->dtor(session, &session->remote.mac_abstract); + } + + if (session->remote.mac->init) { + unsigned char *key = NULL; + int free_key = 0; + + LIBSSH2_KEX_METHOD_DIFFIE_HELLMAN_SHA1_HASH(key, + session->remote.mac-> + key_len, "F"); + if (!key) { + ret = LIBSSH2_ERROR_KEX_FAILURE; + goto clean_exit; + } + session->remote.mac->init(session, key, &free_key, + &session->remote.mac_abstract); + + if (free_key) { + memset(key, 0, session->remote.mac->key_len); + LIBSSH2_FREE(session, key); + } + } + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Server to Client HMAC Key calculated"); + + /* Initialize compression for each direction */ + + /* Cleanup any existing compression */ + if (session->local.comp && session->local.comp->dtor) { + session->local.comp->dtor(session, 1, + &session->local.comp_abstract); + } + + if (session->local.comp && session->local.comp->init) { + if (session->local.comp->init(session, 1, + &session->local.comp_abstract)) { + ret = LIBSSH2_ERROR_KEX_FAILURE; + goto clean_exit; + } + } + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Client to Server compression initialized"); + + if (session->remote.comp && session->remote.comp->dtor) { + session->remote.comp->dtor(session, 0, + &session->remote.comp_abstract); + } + + if (session->remote.comp && session->remote.comp->init) { + if (session->remote.comp->init(session, 0, + &session->remote.comp_abstract)) { + ret = LIBSSH2_ERROR_KEX_FAILURE; + goto clean_exit; + } + } + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Server to Client compression initialized"); + + } + + clean_exit: + _libssh2_bn_free(exchange_state->x); + exchange_state->x = NULL; + _libssh2_bn_free(exchange_state->e); + exchange_state->e = NULL; + _libssh2_bn_free(exchange_state->f); + exchange_state->f = NULL; + _libssh2_bn_free(exchange_state->k); + exchange_state->k = NULL; + _libssh2_bn_ctx_free(exchange_state->ctx); + exchange_state->ctx = NULL; + + if (exchange_state->e_packet) { + LIBSSH2_FREE(session, exchange_state->e_packet); + exchange_state->e_packet = NULL; + } + + if (exchange_state->s_packet) { + LIBSSH2_FREE(session, exchange_state->s_packet); + exchange_state->s_packet = NULL; + } + + if (exchange_state->k_value) { + LIBSSH2_FREE(session, exchange_state->k_value); + exchange_state->k_value = NULL; + } + + exchange_state->state = libssh2_NB_state_idle; + + return ret; +} + + + +/* kex_method_diffie_hellman_group1_sha1_key_exchange + * Diffie-Hellman Group1 (Actually Group2) Key Exchange using SHA1 + */ +static int +kex_method_diffie_hellman_group1_sha1_key_exchange(LIBSSH2_SESSION *session, + key_exchange_state_low_t + * key_state) +{ + static const unsigned char p_value[128] = { + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34, + 0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1, + 0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74, + 0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22, + 0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD, + 0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B, + 0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37, + 0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45, + 0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6, + 0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B, + 0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED, + 0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5, + 0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6, + 0x49, 0x28, 0x66, 0x51, 0xEC, 0xE6, 0x53, 0x81, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF + }; + + int ret; + + if (key_state->state == libssh2_NB_state_idle) { + /* g == 2 */ + key_state->p = _libssh2_bn_init(); /* SSH2 defined value (p_value) */ + key_state->g = _libssh2_bn_init(); /* SSH2 defined value (2) */ + + /* Initialize P and G */ + _libssh2_bn_set_word(key_state->g, 2); + _libssh2_bn_from_bin(key_state->p, 128, p_value); + + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Initiating Diffie-Hellman Group1 Key Exchange"); + + key_state->state = libssh2_NB_state_created; + } + ret = diffie_hellman_sha1(session, key_state->g, key_state->p, 128, + SSH_MSG_KEXDH_INIT, SSH_MSG_KEXDH_REPLY, + NULL, 0, &key_state->exchange_state); + if (ret == LIBSSH2_ERROR_EAGAIN) { + return ret; + } + + _libssh2_bn_free(key_state->p); + key_state->p = NULL; + _libssh2_bn_free(key_state->g); + key_state->g = NULL; + key_state->state = libssh2_NB_state_idle; + + return ret; +} + + + +/* kex_method_diffie_hellman_group14_sha1_key_exchange + * Diffie-Hellman Group14 Key Exchange using SHA1 + */ +static int +kex_method_diffie_hellman_group14_sha1_key_exchange(LIBSSH2_SESSION *session, + key_exchange_state_low_t + * key_state) +{ + static const unsigned char p_value[256] = { + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34, + 0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1, + 0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74, + 0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22, + 0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD, + 0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B, + 0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37, + 0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45, + 0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6, + 0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B, + 0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED, + 0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5, + 0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6, + 0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D, + 0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05, + 0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A, + 0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F, + 0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96, + 0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB, + 0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D, + 0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04, + 0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x18, 0x21, 0x7C, + 0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B, + 0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03, + 0x9B, 0x27, 0x83, 0xA2, 0xEC, 0x07, 0xA2, 0x8F, + 0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9, + 0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18, + 0x39, 0x95, 0x49, 0x7C, 0xEA, 0x95, 0x6A, 0xE5, + 0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10, + 0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAC, 0xAA, 0x68, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF + }; + int ret; + + if (key_state->state == libssh2_NB_state_idle) { + key_state->p = _libssh2_bn_init(); /* SSH2 defined value (p_value) */ + key_state->g = _libssh2_bn_init(); /* SSH2 defined value (2) */ + + /* g == 2 */ + /* Initialize P and G */ + _libssh2_bn_set_word(key_state->g, 2); + _libssh2_bn_from_bin(key_state->p, 256, p_value); + + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Initiating Diffie-Hellman Group14 Key Exchange"); + + key_state->state = libssh2_NB_state_created; + } + ret = diffie_hellman_sha1(session, key_state->g, key_state->p, + 256, SSH_MSG_KEXDH_INIT, SSH_MSG_KEXDH_REPLY, + NULL, 0, &key_state->exchange_state); + if (ret == LIBSSH2_ERROR_EAGAIN) { + return ret; + } + + key_state->state = libssh2_NB_state_idle; + _libssh2_bn_free(key_state->p); + key_state->p = NULL; + _libssh2_bn_free(key_state->g); + key_state->g = NULL; + + return ret; +} + + + +/* kex_method_diffie_hellman_group_exchange_sha1_key_exchange + * Diffie-Hellman Group Exchange Key Exchange using SHA1 + * Negotiates random(ish) group for secret derivation + */ +static int +kex_method_diffie_hellman_group_exchange_sha1_key_exchange +(LIBSSH2_SESSION * session, key_exchange_state_low_t * key_state) +{ + unsigned long p_len, g_len; + int ret = 0; + int rc; + + if (key_state->state == libssh2_NB_state_idle) { + key_state->p = _libssh2_bn_init(); + key_state->g = _libssh2_bn_init(); + /* Ask for a P and G pair */ +#ifdef LIBSSH2_DH_GEX_NEW + key_state->request[0] = SSH_MSG_KEX_DH_GEX_REQUEST; + _libssh2_htonu32(key_state->request + 1, LIBSSH2_DH_GEX_MINGROUP); + _libssh2_htonu32(key_state->request + 5, LIBSSH2_DH_GEX_OPTGROUP); + _libssh2_htonu32(key_state->request + 9, LIBSSH2_DH_GEX_MAXGROUP); + key_state->request_len = 13; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Initiating Diffie-Hellman Group-Exchange (New Method)"); +#else + key_state->request[0] = SSH_MSG_KEX_DH_GEX_REQUEST_OLD; + _libssh2_htonu32(key_state->request + 1, LIBSSH2_DH_GEX_OPTGROUP); + key_state->request_len = 5; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, + "Initiating Diffie-Hellman Group-Exchange (Old Method)"); +#endif + + key_state->state = libssh2_NB_state_created; + } + + if (key_state->state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, key_state->request, + key_state->request_len, NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + ret = _libssh2_error(session, rc, + "Unable to send Group Exchange Request"); + goto dh_gex_clean_exit; + } + + key_state->state = libssh2_NB_state_sent; + } + + if (key_state->state == libssh2_NB_state_sent) { + rc = _libssh2_packet_require(session, SSH_MSG_KEX_DH_GEX_GROUP, + &key_state->data, &key_state->data_len, + 0, NULL, 0, &key_state->req_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + ret = _libssh2_error(session, rc, + "Timeout waiting for GEX_GROUP reply"); + goto dh_gex_clean_exit; + } + + key_state->state = libssh2_NB_state_sent1; + } + + if (key_state->state == libssh2_NB_state_sent1) { + unsigned char *s = key_state->data + 1; + p_len = _libssh2_ntohu32(s); + s += 4; + _libssh2_bn_from_bin(key_state->p, p_len, s); + s += p_len; + + g_len = _libssh2_ntohu32(s); + s += 4; + _libssh2_bn_from_bin(key_state->g, g_len, s); + + ret = diffie_hellman_sha1(session, key_state->g, key_state->p, p_len, + SSH_MSG_KEX_DH_GEX_INIT, + SSH_MSG_KEX_DH_GEX_REPLY, + key_state->data + 1, + key_state->data_len - 1, + &key_state->exchange_state); + if (ret == LIBSSH2_ERROR_EAGAIN) { + return ret; + } + + LIBSSH2_FREE(session, key_state->data); + } + + dh_gex_clean_exit: + key_state->state = libssh2_NB_state_idle; + _libssh2_bn_free(key_state->g); + key_state->g = NULL; + _libssh2_bn_free(key_state->p); + key_state->p = NULL; + + return ret; +} + + + +#define LIBSSH2_KEX_METHOD_FLAG_REQ_ENC_HOSTKEY 0x0001 +#define LIBSSH2_KEX_METHOD_FLAG_REQ_SIGN_HOSTKEY 0x0002 + +static const LIBSSH2_KEX_METHOD kex_method_diffie_helman_group1_sha1 = { + "diffie-hellman-group1-sha1", + kex_method_diffie_hellman_group1_sha1_key_exchange, + LIBSSH2_KEX_METHOD_FLAG_REQ_SIGN_HOSTKEY, +}; + +static const LIBSSH2_KEX_METHOD kex_method_diffie_helman_group14_sha1 = { + "diffie-hellman-group14-sha1", + kex_method_diffie_hellman_group14_sha1_key_exchange, + LIBSSH2_KEX_METHOD_FLAG_REQ_SIGN_HOSTKEY, +}; + +static const LIBSSH2_KEX_METHOD +kex_method_diffie_helman_group_exchange_sha1 = { + "diffie-hellman-group-exchange-sha1", + kex_method_diffie_hellman_group_exchange_sha1_key_exchange, + LIBSSH2_KEX_METHOD_FLAG_REQ_SIGN_HOSTKEY, +}; + +static const LIBSSH2_KEX_METHOD *libssh2_kex_methods[] = { + &kex_method_diffie_helman_group14_sha1, + &kex_method_diffie_helman_group_exchange_sha1, + &kex_method_diffie_helman_group1_sha1, + NULL +}; + +typedef struct _LIBSSH2_COMMON_METHOD +{ + const char *name; +} LIBSSH2_COMMON_METHOD; + +/* kex_method_strlen + * Calculate the length of a particular method list's resulting string + * Includes SUM(strlen() of each individual method plus 1 (for coma)) - 1 (because the last coma isn't used) + * Another sign of bad coding practices gone mad. Pretend you don't see this. + */ +static size_t +kex_method_strlen(LIBSSH2_COMMON_METHOD ** method) +{ + size_t len = 0; + + if (!method || !*method) { + return 0; + } + + while (*method && (*method)->name) { + len += strlen((*method)->name) + 1; + method++; + } + + return len - 1; +} + + + +/* kex_method_list + * Generate formatted preference list in buf + */ +static size_t +kex_method_list(unsigned char *buf, size_t list_strlen, + LIBSSH2_COMMON_METHOD ** method) +{ + _libssh2_htonu32(buf, list_strlen); + buf += 4; + + if (!method || !*method) { + return 4; + } + + while (*method && (*method)->name) { + int mlen = strlen((*method)->name); + memcpy(buf, (*method)->name, mlen); + buf += mlen; + *(buf++) = ','; + method++; + } + + return list_strlen + 4; +} + + + +#define LIBSSH2_METHOD_PREFS_LEN(prefvar, defaultvar) \ + ((prefvar) ? strlen(prefvar) : \ + kex_method_strlen((LIBSSH2_COMMON_METHOD**)(defaultvar))) + +#define LIBSSH2_METHOD_PREFS_STR(buf, prefvarlen, prefvar, defaultvar) \ + if (prefvar) { \ + _libssh2_htonu32((buf), (prefvarlen)); \ + buf += 4; \ + memcpy((buf), (prefvar), (prefvarlen)); \ + buf += (prefvarlen); \ + } else { \ + buf += kex_method_list((buf), (prefvarlen), \ + (LIBSSH2_COMMON_METHOD**)(defaultvar)); \ + } + +/* kexinit + * Send SSH_MSG_KEXINIT packet + */ +static int kexinit(LIBSSH2_SESSION * session) +{ + /* 62 = packet_type(1) + cookie(16) + first_packet_follows(1) + + reserved(4) + length longs(40) */ + size_t data_len = 62; + size_t kex_len, hostkey_len = 0; + size_t crypt_cs_len, crypt_sc_len; + size_t comp_cs_len, comp_sc_len; + size_t mac_cs_len, mac_sc_len; + size_t lang_cs_len, lang_sc_len; + unsigned char *data, *s; + int rc; + + if (session->kexinit_state == libssh2_NB_state_idle) { + kex_len = + LIBSSH2_METHOD_PREFS_LEN(session->kex_prefs, libssh2_kex_methods); + hostkey_len = + LIBSSH2_METHOD_PREFS_LEN(session->hostkey_prefs, + libssh2_hostkey_methods()); + crypt_cs_len = + LIBSSH2_METHOD_PREFS_LEN(session->local.crypt_prefs, + libssh2_crypt_methods()); + crypt_sc_len = + LIBSSH2_METHOD_PREFS_LEN(session->remote.crypt_prefs, + libssh2_crypt_methods()); + mac_cs_len = + LIBSSH2_METHOD_PREFS_LEN(session->local.mac_prefs, + _libssh2_mac_methods()); + mac_sc_len = + LIBSSH2_METHOD_PREFS_LEN(session->remote.mac_prefs, + _libssh2_mac_methods()); + comp_cs_len = + LIBSSH2_METHOD_PREFS_LEN(session->local.comp_prefs, + _libssh2_comp_methods(session)); + comp_sc_len = + LIBSSH2_METHOD_PREFS_LEN(session->remote.comp_prefs, + _libssh2_comp_methods(session)); + lang_cs_len = + LIBSSH2_METHOD_PREFS_LEN(session->local.lang_prefs, NULL); + lang_sc_len = + LIBSSH2_METHOD_PREFS_LEN(session->remote.lang_prefs, NULL); + + data_len += kex_len + hostkey_len + crypt_cs_len + crypt_sc_len + + comp_cs_len + comp_sc_len + mac_cs_len + mac_sc_len + + lang_cs_len + lang_sc_len; + + s = data = LIBSSH2_ALLOC(session, data_len); + if (!data) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory"); + } + + *(s++) = SSH_MSG_KEXINIT; + + _libssh2_random(s, 16); + s += 16; + + /* Ennumerating through these lists twice is probably (certainly?) + inefficient from a CPU standpoint, but it saves multiple + malloc/realloc calls */ + LIBSSH2_METHOD_PREFS_STR(s, kex_len, session->kex_prefs, + libssh2_kex_methods); + LIBSSH2_METHOD_PREFS_STR(s, hostkey_len, session->hostkey_prefs, + libssh2_hostkey_methods()); + LIBSSH2_METHOD_PREFS_STR(s, crypt_cs_len, session->local.crypt_prefs, + libssh2_crypt_methods()); + LIBSSH2_METHOD_PREFS_STR(s, crypt_sc_len, session->remote.crypt_prefs, + libssh2_crypt_methods()); + LIBSSH2_METHOD_PREFS_STR(s, mac_cs_len, session->local.mac_prefs, + _libssh2_mac_methods()); + LIBSSH2_METHOD_PREFS_STR(s, mac_sc_len, session->remote.mac_prefs, + _libssh2_mac_methods()); + LIBSSH2_METHOD_PREFS_STR(s, comp_cs_len, session->local.comp_prefs, + _libssh2_comp_methods(session)); + LIBSSH2_METHOD_PREFS_STR(s, comp_sc_len, session->remote.comp_prefs, + _libssh2_comp_methods(session)); + LIBSSH2_METHOD_PREFS_STR(s, lang_cs_len, session->local.lang_prefs, + NULL); + LIBSSH2_METHOD_PREFS_STR(s, lang_sc_len, session->remote.lang_prefs, + NULL); + + /* No optimistic KEX packet follows */ + /* Deal with optimistic packets + * session->flags |= KEXINIT_OPTIMISTIC + * session->flags |= KEXINIT_METHODSMATCH + */ + *(s++) = 0; + + /* Reserved == 0 */ + _libssh2_htonu32(s, 0); + +#ifdef LIBSSH2DEBUG + { + /* Funnily enough, they'll all "appear" to be '\0' terminated */ + unsigned char *p = data + 21; /* type(1) + cookie(16) + len(4) */ + + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Sent KEX: %s", p); + p += kex_len + 4; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Sent HOSTKEY: %s", p); + p += hostkey_len + 4; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Sent CRYPT_CS: %s", p); + p += crypt_cs_len + 4; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Sent CRYPT_SC: %s", p); + p += crypt_sc_len + 4; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Sent MAC_CS: %s", p); + p += mac_cs_len + 4; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Sent MAC_SC: %s", p); + p += mac_sc_len + 4; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Sent COMP_CS: %s", p); + p += comp_cs_len + 4; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Sent COMP_SC: %s", p); + p += comp_sc_len + 4; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Sent LANG_CS: %s", p); + p += lang_cs_len + 4; + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Sent LANG_SC: %s", p); + p += lang_sc_len + 4; + } +#endif /* LIBSSH2DEBUG */ + + session->kexinit_state = libssh2_NB_state_created; + } else { + data = session->kexinit_data; + data_len = session->kexinit_data_len; + /* zap the variables to ensure there is NOT a double free later */ + session->kexinit_data = NULL; + session->kexinit_data_len = 0; + } + + rc = _libssh2_transport_send(session, data, data_len, NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + session->kexinit_data = data; + session->kexinit_data_len = data_len; + return rc; + } + else if (rc) { + LIBSSH2_FREE(session, data); + session->kexinit_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Unable to send KEXINIT packet to remote host"); + + } + + if (session->local.kexinit) { + LIBSSH2_FREE(session, session->local.kexinit); + } + + session->local.kexinit = data; + session->local.kexinit_len = data_len; + + session->kexinit_state = libssh2_NB_state_idle; + + return 0; +} + +/* kex_agree_instr + * Kex specific variant of strstr() + * Needle must be preceed by BOL or ',', and followed by ',' or EOL + */ +static unsigned char * +kex_agree_instr(unsigned char *haystack, unsigned long haystack_len, + const unsigned char *needle, unsigned long needle_len) +{ + unsigned char *s; + + /* Haystack too short to bother trying */ + if (haystack_len < needle_len) { + return NULL; + } + + /* Needle at start of haystack */ + if ((strncmp((char *) haystack, (char *) needle, needle_len) == 0) && + (needle_len == haystack_len || haystack[needle_len] == ',')) { + return haystack; + } + + s = haystack; + /* Search until we run out of comas or we run out of haystack, + whichever comes first */ + while ((s = (unsigned char *) strchr((char *) s, ',')) + && ((haystack_len - (s - haystack)) > needle_len)) { + s++; + /* Needle at X position */ + if ((strncmp((char *) s, (char *) needle, needle_len) == 0) && + (((s - haystack) + needle_len) == haystack_len + || s[needle_len] == ',')) { + return s; + } + } + + return NULL; +} + + + +/* kex_get_method_by_name + */ +static const LIBSSH2_COMMON_METHOD * +kex_get_method_by_name(const char *name, size_t name_len, + const LIBSSH2_COMMON_METHOD ** methodlist) +{ + while (*methodlist) { + if ((strlen((*methodlist)->name) == name_len) && + (strncmp((*methodlist)->name, name, name_len) == 0)) { + return *methodlist; + } + methodlist++; + } + return NULL; +} + + + +/* kex_agree_hostkey + * Agree on a Hostkey which works with this kex + */ +static int kex_agree_hostkey(LIBSSH2_SESSION * session, + unsigned long kex_flags, + unsigned char *hostkey, unsigned long hostkey_len) +{ + const LIBSSH2_HOSTKEY_METHOD **hostkeyp = libssh2_hostkey_methods(); + unsigned char *s; + + if (session->hostkey_prefs) { + s = (unsigned char *) session->hostkey_prefs; + + while (s && *s) { + unsigned char *p = (unsigned char *) strchr((char *) s, ','); + size_t method_len = (p ? (size_t)(p - s) : strlen((char *) s)); + if (kex_agree_instr(hostkey, hostkey_len, s, method_len)) { + const LIBSSH2_HOSTKEY_METHOD *method = + (const LIBSSH2_HOSTKEY_METHOD *) + kex_get_method_by_name((char *) s, method_len, + (const LIBSSH2_COMMON_METHOD **) + hostkeyp); + + if (!method) { + /* Invalid method -- Should never be reached */ + return -1; + } + + /* So far so good, but does it suit our purposes? (Encrypting + vs Signing) */ + if (((kex_flags & LIBSSH2_KEX_METHOD_FLAG_REQ_ENC_HOSTKEY) == + 0) || (method->encrypt)) { + /* Either this hostkey can do encryption or this kex just + doesn't require it */ + if (((kex_flags & LIBSSH2_KEX_METHOD_FLAG_REQ_SIGN_HOSTKEY) + == 0) || (method->sig_verify)) { + /* Either this hostkey can do signing or this kex just + doesn't require it */ + session->hostkey = method; + return 0; + } + } + } + + s = p ? p + 1 : NULL; + } + return -1; + } + + while (hostkeyp && (*hostkeyp) && (*hostkeyp)->name) { + s = kex_agree_instr(hostkey, hostkey_len, + (unsigned char *) (*hostkeyp)->name, + strlen((*hostkeyp)->name)); + if (s) { + /* So far so good, but does it suit our purposes? (Encrypting vs + Signing) */ + if (((kex_flags & LIBSSH2_KEX_METHOD_FLAG_REQ_ENC_HOSTKEY) == 0) || + ((*hostkeyp)->encrypt)) { + /* Either this hostkey can do encryption or this kex just + doesn't require it */ + if (((kex_flags & LIBSSH2_KEX_METHOD_FLAG_REQ_SIGN_HOSTKEY) == + 0) || ((*hostkeyp)->sig_verify)) { + /* Either this hostkey can do signing or this kex just + doesn't require it */ + session->hostkey = *hostkeyp; + return 0; + } + } + } + hostkeyp++; + } + + return -1; +} + + + +/* kex_agree_kex_hostkey + * Agree on a Key Exchange method and a hostkey encoding type + */ +static int kex_agree_kex_hostkey(LIBSSH2_SESSION * session, unsigned char *kex, + unsigned long kex_len, unsigned char *hostkey, + unsigned long hostkey_len) +{ + const LIBSSH2_KEX_METHOD **kexp = libssh2_kex_methods; + unsigned char *s; + + if (session->kex_prefs) { + s = (unsigned char *) session->kex_prefs; + + while (s && *s) { + unsigned char *q, *p = (unsigned char *) strchr((char *) s, ','); + size_t method_len = (p ? (size_t)(p - s) : strlen((char *) s)); + if ((q = kex_agree_instr(kex, kex_len, s, method_len))) { + const LIBSSH2_KEX_METHOD *method = (const LIBSSH2_KEX_METHOD *) + kex_get_method_by_name((char *) s, method_len, + (const LIBSSH2_COMMON_METHOD **) + kexp); + + if (!method) { + /* Invalid method -- Should never be reached */ + return -1; + } + + /* We've agreed on a key exchange method, + * Can we agree on a hostkey that works with this kex? + */ + if (kex_agree_hostkey(session, method->flags, hostkey, + hostkey_len) == 0) { + session->kex = method; + if (session->burn_optimistic_kexinit && (kex == q)) { + /* Server sent an optimistic packet, + * and client agrees with preference + * cancel burning the first KEX_INIT packet that comes in */ + session->burn_optimistic_kexinit = 0; + } + return 0; + } + } + + s = p ? p + 1 : NULL; + } + return -1; + } + + while (*kexp && (*kexp)->name) { + s = kex_agree_instr(kex, kex_len, + (unsigned char *) (*kexp)->name, + strlen((*kexp)->name)); + if (s) { + /* We've agreed on a key exchange method, + * Can we agree on a hostkey that works with this kex? + */ + if (kex_agree_hostkey(session, (*kexp)->flags, hostkey, + hostkey_len) == 0) { + session->kex = *kexp; + if (session->burn_optimistic_kexinit && (kex == s)) { + /* Server sent an optimistic packet, + * and client agrees with preference + * cancel burning the first KEX_INIT packet that comes in */ + session->burn_optimistic_kexinit = 0; + } + return 0; + } + } + kexp++; + } + return -1; +} + + + +/* kex_agree_crypt + * Agree on a cipher algo + */ +static int kex_agree_crypt(LIBSSH2_SESSION * session, + libssh2_endpoint_data *endpoint, + unsigned char *crypt, + unsigned long crypt_len) +{ + const LIBSSH2_CRYPT_METHOD **cryptp = libssh2_crypt_methods(); + unsigned char *s; + + (void) session; + + if (endpoint->crypt_prefs) { + s = (unsigned char *) endpoint->crypt_prefs; + + while (s && *s) { + unsigned char *p = (unsigned char *) strchr((char *) s, ','); + size_t method_len = (p ? (size_t)(p - s) : strlen((char *) s)); + + if (kex_agree_instr(crypt, crypt_len, s, method_len)) { + const LIBSSH2_CRYPT_METHOD *method = + (const LIBSSH2_CRYPT_METHOD *) + kex_get_method_by_name((char *) s, method_len, + (const LIBSSH2_COMMON_METHOD **) + cryptp); + + if (!method) { + /* Invalid method -- Should never be reached */ + return -1; + } + + endpoint->crypt = method; + return 0; + } + + s = p ? p + 1 : NULL; + } + return -1; + } + + while (*cryptp && (*cryptp)->name) { + s = kex_agree_instr(crypt, crypt_len, + (unsigned char *) (*cryptp)->name, + strlen((*cryptp)->name)); + if (s) { + endpoint->crypt = *cryptp; + return 0; + } + cryptp++; + } + + return -1; +} + + + +/* kex_agree_mac + * Agree on a message authentication hash + */ +static int kex_agree_mac(LIBSSH2_SESSION * session, + libssh2_endpoint_data * endpoint, unsigned char *mac, + unsigned long mac_len) +{ + const LIBSSH2_MAC_METHOD **macp = _libssh2_mac_methods(); + unsigned char *s; + (void) session; + + if (endpoint->mac_prefs) { + s = (unsigned char *) endpoint->mac_prefs; + + while (s && *s) { + unsigned char *p = (unsigned char *) strchr((char *) s, ','); + size_t method_len = (p ? (size_t)(p - s) : strlen((char *) s)); + + if (kex_agree_instr(mac, mac_len, s, method_len)) { + const LIBSSH2_MAC_METHOD *method = (const LIBSSH2_MAC_METHOD *) + kex_get_method_by_name((char *) s, method_len, + (const LIBSSH2_COMMON_METHOD **) + macp); + + if (!method) { + /* Invalid method -- Should never be reached */ + return -1; + } + + endpoint->mac = method; + return 0; + } + + s = p ? p + 1 : NULL; + } + return -1; + } + + while (*macp && (*macp)->name) { + s = kex_agree_instr(mac, mac_len, (unsigned char *) (*macp)->name, + strlen((*macp)->name)); + if (s) { + endpoint->mac = *macp; + return 0; + } + macp++; + } + + return -1; +} + + + +/* kex_agree_comp + * Agree on a compression scheme + */ +static int kex_agree_comp(LIBSSH2_SESSION *session, + libssh2_endpoint_data *endpoint, unsigned char *comp, + unsigned long comp_len) +{ + const LIBSSH2_COMP_METHOD **compp = _libssh2_comp_methods(session); + unsigned char *s; + (void) session; + + if (endpoint->comp_prefs) { + s = (unsigned char *) endpoint->comp_prefs; + + while (s && *s) { + unsigned char *p = (unsigned char *) strchr((char *) s, ','); + size_t method_len = (p ? (size_t)(p - s) : strlen((char *) s)); + + if (kex_agree_instr(comp, comp_len, s, method_len)) { + const LIBSSH2_COMP_METHOD *method = + (const LIBSSH2_COMP_METHOD *) + kex_get_method_by_name((char *) s, method_len, + (const LIBSSH2_COMMON_METHOD **) + compp); + + if (!method) { + /* Invalid method -- Should never be reached */ + return -1; + } + + endpoint->comp = method; + return 0; + } + + s = p ? p + 1 : NULL; + } + return -1; + } + + while (*compp && (*compp)->name) { + s = kex_agree_instr(comp, comp_len, (unsigned char *) (*compp)->name, + strlen((*compp)->name)); + if (s) { + endpoint->comp = *compp; + return 0; + } + compp++; + } + + return -1; +} + + + +/* TODO: When in server mode we need to turn this logic on its head + * The Client gets to make the final call on "agreed methods" + */ + +/* kex_agree_methods + * Decide which specific method to use of the methods offered by each party + */ +static int kex_agree_methods(LIBSSH2_SESSION * session, unsigned char *data, + unsigned data_len) +{ + unsigned char *kex, *hostkey, *crypt_cs, *crypt_sc, *comp_cs, *comp_sc, + *mac_cs, *mac_sc; + size_t kex_len, hostkey_len, crypt_cs_len, crypt_sc_len, comp_cs_len; + size_t comp_sc_len, mac_cs_len, mac_sc_len; + unsigned char *s = data; + + /* Skip packet_type, we know it already */ + s++; + + /* Skip cookie, don't worry, it's preserved in the kexinit field */ + s += 16; + + /* Locate each string */ + kex_len = _libssh2_ntohu32(s); + kex = s + 4; + s += 4 + kex_len; + hostkey_len = _libssh2_ntohu32(s); + hostkey = s + 4; + s += 4 + hostkey_len; + crypt_cs_len = _libssh2_ntohu32(s); + crypt_cs = s + 4; + s += 4 + crypt_cs_len; + crypt_sc_len = _libssh2_ntohu32(s); + crypt_sc = s + 4; + s += 4 + crypt_sc_len; + mac_cs_len = _libssh2_ntohu32(s); + mac_cs = s + 4; + s += 4 + mac_cs_len; + mac_sc_len = _libssh2_ntohu32(s); + mac_sc = s + 4; + s += 4 + mac_sc_len; + comp_cs_len = _libssh2_ntohu32(s); + comp_cs = s + 4; + s += 4 + comp_cs_len; + comp_sc_len = _libssh2_ntohu32(s); + comp_sc = s + 4; +#if 0 + s += 4 + comp_sc_len; + lang_cs_len = _libssh2_ntohu32(s); + lang_cs = s + 4; + s += 4 + lang_cs_len; + lang_sc_len = _libssh2_ntohu32(s); + lang_sc = s + 4; + s += 4 + lang_sc_len; +#endif + /* If the server sent an optimistic packet, assume that it guessed wrong. + * If the guess is determined to be right (by kex_agree_kex_hostkey) + * This flag will be reset to zero so that it's not ignored */ + session->burn_optimistic_kexinit = *(s++); + /* Next uint32 in packet is all zeros (reserved) */ + + if (data_len < (unsigned) (s - data)) + return -1; /* short packet */ + + if (kex_agree_kex_hostkey(session, kex, kex_len, hostkey, hostkey_len)) { + return -1; + } + + if (kex_agree_crypt(session, &session->local, crypt_cs, crypt_cs_len) + || kex_agree_crypt(session, &session->remote, crypt_sc, crypt_sc_len)) { + return -1; + } + + if (kex_agree_mac(session, &session->local, mac_cs, mac_cs_len) || + kex_agree_mac(session, &session->remote, mac_sc, mac_sc_len)) { + return -1; + } + + if (kex_agree_comp(session, &session->local, comp_cs, comp_cs_len) || + kex_agree_comp(session, &session->remote, comp_sc, comp_sc_len)) { + return -1; + } + +#if 0 + if (libssh2_kex_agree_lang(session, &session->local, lang_cs, lang_cs_len) + || libssh2_kex_agree_lang(session, &session->remote, lang_sc, + lang_sc_len)) { + return -1; + } +#endif + + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Agreed on KEX method: %s", + session->kex->name); + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Agreed on HOSTKEY method: %s", + session->hostkey->name); + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Agreed on CRYPT_CS method: %s", + session->local.crypt->name); + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Agreed on CRYPT_SC method: %s", + session->remote.crypt->name); + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Agreed on MAC_CS method: %s", + session->local.mac->name); + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Agreed on MAC_SC method: %s", + session->remote.mac->name); + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Agreed on COMP_CS method: %s", + session->local.comp->name); + _libssh2_debug(session, LIBSSH2_TRACE_KEX, "Agreed on COMP_SC method: %s", + session->remote.comp->name); + + return 0; +} + + + +/* _libssh2_kex_exchange + * Exchange keys + * Returns 0 on success, non-zero on failure + * + * Returns some errors without _libssh2_error() + */ +int +_libssh2_kex_exchange(LIBSSH2_SESSION * session, int reexchange, + key_exchange_state_t * key_state) +{ + int rc = 0; + int retcode; + + session->state |= LIBSSH2_STATE_KEX_ACTIVE; + + if (key_state->state == libssh2_NB_state_idle) { + /* Prevent loop in packet_add() */ + session->state |= LIBSSH2_STATE_EXCHANGING_KEYS; + + if (reexchange) { + session->kex = NULL; + + if (session->hostkey && session->hostkey->dtor) { + session->hostkey->dtor(session, + &session->server_hostkey_abstract); + } + session->hostkey = NULL; + } + + key_state->state = libssh2_NB_state_created; + } + + if (!session->kex || !session->hostkey) { + if (key_state->state == libssh2_NB_state_created) { + /* Preserve in case of failure */ + key_state->oldlocal = session->local.kexinit; + key_state->oldlocal_len = session->local.kexinit_len; + + session->local.kexinit = NULL; + + key_state->state = libssh2_NB_state_sent; + } + + if (key_state->state == libssh2_NB_state_sent) { + retcode = kexinit(session); + if (retcode == LIBSSH2_ERROR_EAGAIN) { + session->state &= ~LIBSSH2_STATE_KEX_ACTIVE; + return retcode; + } else if (retcode) { + session->local.kexinit = key_state->oldlocal; + session->local.kexinit_len = key_state->oldlocal_len; + key_state->state = libssh2_NB_state_idle; + session->state &= ~LIBSSH2_STATE_KEX_ACTIVE; + session->state &= ~LIBSSH2_STATE_EXCHANGING_KEYS; + return -1; + } + + key_state->state = libssh2_NB_state_sent1; + } + + if (key_state->state == libssh2_NB_state_sent1) { + retcode = + _libssh2_packet_require(session, SSH_MSG_KEXINIT, + &key_state->data, + &key_state->data_len, 0, NULL, 0, + &key_state->req_state); + if (retcode == LIBSSH2_ERROR_EAGAIN) { + session->state &= ~LIBSSH2_STATE_KEX_ACTIVE; + return retcode; + } + else if (retcode) { + if (session->local.kexinit) { + LIBSSH2_FREE(session, session->local.kexinit); + } + session->local.kexinit = key_state->oldlocal; + session->local.kexinit_len = key_state->oldlocal_len; + key_state->state = libssh2_NB_state_idle; + session->state &= ~LIBSSH2_STATE_KEX_ACTIVE; + session->state &= ~LIBSSH2_STATE_EXCHANGING_KEYS; + return -1; + } + + if (session->remote.kexinit) { + LIBSSH2_FREE(session, session->remote.kexinit); + } + session->remote.kexinit = key_state->data; + session->remote.kexinit_len = key_state->data_len; + + if (kex_agree_methods(session, key_state->data, + key_state->data_len)) + rc = LIBSSH2_ERROR_KEX_FAILURE; + + key_state->state = libssh2_NB_state_sent2; + } + } else { + key_state->state = libssh2_NB_state_sent2; + } + + if (rc == 0) { + if (key_state->state == libssh2_NB_state_sent2) { + retcode = session->kex->exchange_keys(session, + &key_state->key_state_low); + if (retcode == LIBSSH2_ERROR_EAGAIN) { + session->state &= ~LIBSSH2_STATE_KEX_ACTIVE; + return retcode; + } else if (retcode) { + rc = _libssh2_error(session, LIBSSH2_ERROR_KEY_EXCHANGE_FAILURE, + "Unrecoverable error exchanging keys"); + } + } + } + + /* Done with kexinit buffers */ + if (session->local.kexinit) { + LIBSSH2_FREE(session, session->local.kexinit); + session->local.kexinit = NULL; + } + if (session->remote.kexinit) { + LIBSSH2_FREE(session, session->remote.kexinit); + session->remote.kexinit = NULL; + } + + session->state &= ~LIBSSH2_STATE_KEX_ACTIVE; + session->state &= ~LIBSSH2_STATE_EXCHANGING_KEYS; + + key_state->state = libssh2_NB_state_idle; + + return rc; +} + + + +/* libssh2_session_method_pref + * Set preferred method + */ +LIBSSH2_API int +libssh2_session_method_pref(LIBSSH2_SESSION * session, int method_type, + const char *prefs) +{ + char **prefvar, *s, *newprefs; + int prefs_len = strlen(prefs); + const LIBSSH2_COMMON_METHOD **mlist; + + switch (method_type) { + case LIBSSH2_METHOD_KEX: + prefvar = &session->kex_prefs; + mlist = (const LIBSSH2_COMMON_METHOD **) libssh2_kex_methods; + break; + + case LIBSSH2_METHOD_HOSTKEY: + prefvar = &session->hostkey_prefs; + mlist = (const LIBSSH2_COMMON_METHOD **) libssh2_hostkey_methods(); + break; + + case LIBSSH2_METHOD_CRYPT_CS: + prefvar = &session->local.crypt_prefs; + mlist = (const LIBSSH2_COMMON_METHOD **) libssh2_crypt_methods(); + break; + + case LIBSSH2_METHOD_CRYPT_SC: + prefvar = &session->remote.crypt_prefs; + mlist = (const LIBSSH2_COMMON_METHOD **) libssh2_crypt_methods(); + break; + + case LIBSSH2_METHOD_MAC_CS: + prefvar = &session->local.mac_prefs; + mlist = (const LIBSSH2_COMMON_METHOD **) _libssh2_mac_methods(); + break; + + case LIBSSH2_METHOD_MAC_SC: + prefvar = &session->remote.mac_prefs; + mlist = (const LIBSSH2_COMMON_METHOD **) _libssh2_mac_methods(); + break; + + case LIBSSH2_METHOD_COMP_CS: + prefvar = &session->local.comp_prefs; + mlist = (const LIBSSH2_COMMON_METHOD **) + _libssh2_comp_methods(session); + break; + + case LIBSSH2_METHOD_COMP_SC: + prefvar = &session->remote.comp_prefs; + mlist = (const LIBSSH2_COMMON_METHOD **) + _libssh2_comp_methods(session); + break; + + case LIBSSH2_METHOD_LANG_CS: + prefvar = &session->local.lang_prefs; + mlist = NULL; + break; + + case LIBSSH2_METHOD_LANG_SC: + prefvar = &session->remote.lang_prefs; + mlist = NULL; + break; + + default: + return _libssh2_error(session, LIBSSH2_ERROR_INVAL, + "Invalid parameter specified for method_type"); + } + + s = newprefs = LIBSSH2_ALLOC(session, prefs_len + 1); + if (!newprefs) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Error allocated space for method preferences"); + } + memcpy(s, prefs, prefs_len + 1); + + while (s && *s) { + char *p = strchr(s, ','); + int method_len = p ? (p - s) : (int) strlen(s); + + if (!kex_get_method_by_name(s, method_len, mlist)) { + /* Strip out unsupported method */ + if (p) { + memcpy(s, p + 1, strlen(s) - method_len); + } else { + if (s > newprefs) { + *(--s) = '\0'; + } else { + *s = '\0'; + } + } + } + + s = p ? (p + 1) : NULL; + } + + if (strlen(newprefs) == 0) { + LIBSSH2_FREE(session, newprefs); + return _libssh2_error(session, LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "The requested method(s) are not currently " + "supported"); + } + + if (*prefvar) { + LIBSSH2_FREE(session, *prefvar); + } + *prefvar = newprefs; + + return 0; +} + +/* + * libssh2_session_supported_algs() + * returns a number of returned algorithms (a positive number) on success, + * a negative number on failure + */ + +LIBSSH2_API int libssh2_session_supported_algs(LIBSSH2_SESSION* session, + int method_type, + const char*** algs) +{ + unsigned int i; + unsigned int j; + unsigned int ialg; + const LIBSSH2_COMMON_METHOD **mlist; + + /* to prevent coredumps due to dereferencing of NULL */ + if (NULL == algs) + return _libssh2_error(session, LIBSSH2_ERROR_BAD_USE, + "algs must not be NULL"); + + switch (method_type) { + case LIBSSH2_METHOD_KEX: + mlist = (const LIBSSH2_COMMON_METHOD **) libssh2_kex_methods; + break; + + case LIBSSH2_METHOD_HOSTKEY: + mlist = (const LIBSSH2_COMMON_METHOD **) libssh2_hostkey_methods(); + break; + + case LIBSSH2_METHOD_CRYPT_CS: + case LIBSSH2_METHOD_CRYPT_SC: + mlist = (const LIBSSH2_COMMON_METHOD **) libssh2_crypt_methods(); + break; + + case LIBSSH2_METHOD_MAC_CS: + case LIBSSH2_METHOD_MAC_SC: + mlist = (const LIBSSH2_COMMON_METHOD **) _libssh2_mac_methods(); + break; + + case LIBSSH2_METHOD_COMP_CS: + case LIBSSH2_METHOD_COMP_SC: + mlist = (const LIBSSH2_COMMON_METHOD **) _libssh2_comp_methods(session); + break; + + default: + return _libssh2_error(session, LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Unknown method type"); + } /* switch */ + + /* weird situation */ + if (NULL==mlist) + return _libssh2_error(session, LIBSSH2_ERROR_INVAL, + "No algorithm found"); + + /* + mlist is looped through twice. The first time to find the number od + supported algorithms (needed to allocate the proper size of array) and + the second time to actually copy the pointers. Typically this function + will not be called often (typically at the beginning of a session) and + the number of algorithms (i.e. niumber of iterations in one loop) will + not be high (typically it will not exceed 20) for quite a long time. + + So double looping really shouldn't be an issue and it is definitely a + better solution than reallocation several times. + */ + + /* count the number of supported algorithms */ + for ( i=0, ialg=0; NULL!=mlist[i]; i++) { + /* do not count fields with NULL name */ + if (mlist[i]->name) + ialg++; + } + + /* weird situation, no algorithm found */ + if (0==ialg) + return _libssh2_error(session, LIBSSH2_ERROR_INVAL, + "No algorithm found"); + + /* allocate buffer */ + *algs = (const char**) LIBSSH2_ALLOC(session, ialg*sizeof(const char*)); + if ( NULL==*algs ) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Memory allocation failed"); + } + /* Past this point *algs must be deallocated in case of an error!! */ + + /* copy non-NULL pointers only */ + for ( i=0, j=0; NULL!=mlist[i] && jname ){ + /* maybe a weird situation but if it occurs, do not include NULL + pointers */ + continue; + } + + /* note that [] has higher priority than * (dereferencing) */ + (*algs)[j++] = mlist[i]->name; + } + + /* correct number of pointers copied? (test the code above) */ + if ( j!=ialg ) { + /* deallocate buffer */ + LIBSSH2_FREE(session, (void *)*algs); + *algs = NULL; + + return _libssh2_error(session, LIBSSH2_ERROR_BAD_USE, + "Internal error"); + } + + return ialg; +} diff --git a/vendor/libssh2-1.4.2/src/knownhost.c b/vendor/libssh2-1.4.2/src/knownhost.c new file mode 100644 index 0000000..c58dfbb --- /dev/null +++ b/vendor/libssh2-1.4.2/src/knownhost.c @@ -0,0 +1,1146 @@ +/* + * Copyright (c) 2009-2011 by Daniel Stenberg + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" +#include "misc.h" + +struct known_host { + struct list_node node; + char *name; /* points to the name or the hash (allocated) */ + size_t name_len; /* needed for hashed data */ + int port; /* if non-zero, a specific port this key is for on this + host */ + int typemask; /* plain, sha1, custom, ... */ + char *salt; /* points to binary salt (allocated) */ + size_t salt_len; /* size of salt */ + char *key; /* the (allocated) associated key. This is kept base64 + encoded in memory. */ + char *comment; /* the (allocated) optional comment text, may be NULL */ + + /* this is the struct we expose externally */ + struct libssh2_knownhost external; +}; + +struct _LIBSSH2_KNOWNHOSTS +{ + LIBSSH2_SESSION *session; /* the session this "belongs to" */ + struct list_head head; +}; + +static void free_host(LIBSSH2_SESSION *session, struct known_host *entry) +{ + if(entry) { + if(entry->comment) + LIBSSH2_FREE(session, entry->comment); + if(entry->key) + LIBSSH2_FREE(session, entry->key); + if(entry->salt) + LIBSSH2_FREE(session, entry->salt); + if(entry->name) + LIBSSH2_FREE(session, entry->name); + LIBSSH2_FREE(session, entry); + } +} + +/* + * libssh2_knownhost_init + * + * Init a collection of known hosts. Returns the pointer to a collection. + * + */ +LIBSSH2_API LIBSSH2_KNOWNHOSTS * +libssh2_knownhost_init(LIBSSH2_SESSION *session) +{ + LIBSSH2_KNOWNHOSTS *knh = + LIBSSH2_ALLOC(session, sizeof(struct _LIBSSH2_KNOWNHOSTS)); + + if(!knh) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for known-hosts " + "collection"); + return NULL; + } + + knh->session = session; + + _libssh2_list_init(&knh->head); + + return knh; +} + +#define KNOWNHOST_MAGIC 0xdeadcafe +/* + * knownhost_to_external() + * + * Copies data from the internal to the external representation struct. + * + */ +static struct libssh2_knownhost *knownhost_to_external(struct known_host *node) +{ + struct libssh2_knownhost *ext = &node->external; + + ext->magic = KNOWNHOST_MAGIC; + ext->node = node; + ext->name = ((node->typemask & LIBSSH2_KNOWNHOST_TYPE_MASK) == + LIBSSH2_KNOWNHOST_TYPE_PLAIN)? node->name:NULL; + ext->key = node->key; + ext->typemask = node->typemask; + + return ext; +} + +static int +knownhost_add(LIBSSH2_KNOWNHOSTS *hosts, + const char *host, const char *salt, + const char *key, size_t keylen, + const char *comment, size_t commentlen, + int typemask, struct libssh2_knownhost **store) +{ + struct known_host *entry; + size_t hostlen = strlen(host); + int rc; + char *ptr; + unsigned int ptrlen; + + /* make sure we have a key type set */ + if(!(typemask & LIBSSH2_KNOWNHOST_KEY_MASK)) + return _libssh2_error(hosts->session, LIBSSH2_ERROR_INVAL, + "No key type set"); + + if(!(entry = LIBSSH2_ALLOC(hosts->session, sizeof(struct known_host)))) + return _libssh2_error(hosts->session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for known host " + "entry"); + + memset(entry, 0, sizeof(struct known_host)); + + entry->typemask = typemask; + + switch(entry->typemask & LIBSSH2_KNOWNHOST_TYPE_MASK) { + case LIBSSH2_KNOWNHOST_TYPE_PLAIN: + case LIBSSH2_KNOWNHOST_TYPE_CUSTOM: + entry->name = LIBSSH2_ALLOC(hosts->session, hostlen+1); + if(!entry->name) { + rc = _libssh2_error(hosts->session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for host name"); + goto error; + } + memcpy(entry->name, host, hostlen+1); + break; + case LIBSSH2_KNOWNHOST_TYPE_SHA1: + rc = libssh2_base64_decode(hosts->session, &ptr, &ptrlen, + host, hostlen); + if(rc) + goto error; + entry->name = ptr; + entry->name_len = ptrlen; + + rc = libssh2_base64_decode(hosts->session, &ptr, &ptrlen, + salt, strlen(salt)); + if(rc) + goto error; + entry->salt = ptr; + entry->salt_len = ptrlen; + break; + default: + rc = _libssh2_error(hosts->session, LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Unknown host name type"); + goto error; + } + + if(typemask & LIBSSH2_KNOWNHOST_KEYENC_BASE64) { + /* the provided key is base64 encoded already */ + if(!keylen) + keylen = strlen(key); + entry->key = LIBSSH2_ALLOC(hosts->session, keylen+1); + if(!entry->key) { + rc = _libssh2_error(hosts->session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for key"); + goto error; + } + memcpy(entry->key, key, keylen+1); + entry->key[keylen]=0; /* force a terminating zero trailer */ + } + else { + /* key is raw, we base64 encode it and store it as such */ + size_t nlen = _libssh2_base64_encode(hosts->session, key, keylen, + &ptr); + if(!nlen) { + rc = _libssh2_error(hosts->session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "base64-encoded key"); + goto error; + } + + entry->key = ptr; + } + + if (comment) { + entry->comment = LIBSSH2_ALLOC(hosts->session, commentlen+1); + if(!entry->comment) { + rc = _libssh2_error(hosts->session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for comment"); + goto error; + } + memcpy(entry->comment, comment, commentlen+1); + entry->comment[commentlen]=0; /* force a terminating zero trailer */ + } + else { + entry->comment = NULL; + } + + /* add this new host to the big list of known hosts */ + _libssh2_list_add(&hosts->head, &entry->node); + + if(store) + *store = knownhost_to_external(entry); + + return LIBSSH2_ERROR_NONE; + error: + free_host(hosts->session, entry); + return rc; +} + +/* + * libssh2_knownhost_add + * + * Add a host and its associated key to the collection of known hosts. + * + * The 'type' argument specifies on what format the given host and keys are: + * + * plain - ascii "hostname.domain.tld" + * sha1 - SHA1( ) base64-encoded! + * custom - another hash + * + * If 'sha1' is selected as type, the salt must be provided to the salt + * argument. This too base64 encoded. + * + * The SHA-1 hash is what OpenSSH can be told to use in known_hosts files. If + * a custom type is used, salt is ignored and you must provide the host + * pre-hashed when checking for it in the libssh2_knownhost_check() function. + * + * The keylen parameter may be omitted (zero) if the key is provided as a + * NULL-terminated base64-encoded string. + */ + +LIBSSH2_API int +libssh2_knownhost_add(LIBSSH2_KNOWNHOSTS *hosts, + const char *host, const char *salt, + const char *key, size_t keylen, + int typemask, struct libssh2_knownhost **store) +{ + return knownhost_add(hosts, host, salt, key, keylen, NULL, 0, typemask, + store); +} + + +/* + * libssh2_knownhost_addc + * + * Add a host and its associated key to the collection of known hosts. + * + * Takes a comment argument that may be NULL. A NULL comment indicates + * there is no comment and the entry will end directly after the key + * when written out to a file. An empty string "" comment will indicate an + * empty comment which will cause a single space to be written after the key. + * + * The 'type' argument specifies on what format the given host and keys are: + * + * plain - ascii "hostname.domain.tld" + * sha1 - SHA1( ) base64-encoded! + * custom - another hash + * + * If 'sha1' is selected as type, the salt must be provided to the salt + * argument. This too base64 encoded. + * + * The SHA-1 hash is what OpenSSH can be told to use in known_hosts files. If + * a custom type is used, salt is ignored and you must provide the host + * pre-hashed when checking for it in the libssh2_knownhost_check() function. + * + * The keylen parameter may be omitted (zero) if the key is provided as a + * NULL-terminated base64-encoded string. + */ + +LIBSSH2_API int +libssh2_knownhost_addc(LIBSSH2_KNOWNHOSTS *hosts, + const char *host, const char *salt, + const char *key, size_t keylen, + const char *comment, size_t commentlen, + int typemask, struct libssh2_knownhost **store) +{ + return knownhost_add(hosts, host, salt, key, keylen, comment, commentlen, + typemask, store); +} + +/* + * knownhost_check + * + * Check a host and its associated key against the collection of known hosts. + * + * The typemask is the type/format of the given host name and key + * + * plain - ascii "hostname.domain.tld" + * sha1 - NOT SUPPORTED AS INPUT + * custom - prehashed base64 encoded. Note that this cannot use any salts. + * + * Returns: + * + * LIBSSH2_KNOWNHOST_CHECK_FAILURE + * LIBSSH2_KNOWNHOST_CHECK_NOTFOUND + * LIBSSH2_KNOWNHOST_CHECK_MATCH + * LIBSSH2_KNOWNHOST_CHECK_MISMATCH + */ +static int +knownhost_check(LIBSSH2_KNOWNHOSTS *hosts, + const char *hostp, int port, + const char *key, size_t keylen, + int typemask, + struct libssh2_knownhost **ext) +{ + struct known_host *node; + struct known_host *badkey = NULL; + int type = typemask & LIBSSH2_KNOWNHOST_TYPE_MASK; + char *keyalloc = NULL; + int rc = LIBSSH2_KNOWNHOST_CHECK_NOTFOUND; + char hostbuff[270]; /* most host names can't be longer than like 256 */ + const char *host; + int numcheck; /* number of host combos to check */ + int match = 0; + + if(type == LIBSSH2_KNOWNHOST_TYPE_SHA1) + /* we can't work with a sha1 as given input */ + return LIBSSH2_KNOWNHOST_CHECK_MISMATCH; + + if(!(typemask & LIBSSH2_KNOWNHOST_KEYENC_BASE64)) { + /* we got a raw key input, convert it to base64 for the checks below */ + size_t nlen = _libssh2_base64_encode(hosts->session, key, keylen, + &keyalloc); + if(!nlen) { + _libssh2_error(hosts->session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for base64-encoded " + "key"); + return LIBSSH2_KNOWNHOST_CHECK_FAILURE; + } + + /* make the key point to this */ + key = keyalloc; + } + + /* if a port number is given, check for a '[host]:port' first before the + plain 'host' */ + if(port >= 0) { + snprintf(hostbuff, sizeof(hostbuff), "[%s]:%d", hostp, port); + host = hostbuff; + numcheck = 2; /* check both combos, start with this */ + } + else { + host = hostp; + numcheck = 1; /* only check this host version */ + } + + do { + node = _libssh2_list_first(&hosts->head); + while (node) { + switch(node->typemask & LIBSSH2_KNOWNHOST_TYPE_MASK) { + case LIBSSH2_KNOWNHOST_TYPE_PLAIN: + if(type == LIBSSH2_KNOWNHOST_TYPE_PLAIN) + match = !strcmp(host, node->name); + break; + case LIBSSH2_KNOWNHOST_TYPE_CUSTOM: + if(type == LIBSSH2_KNOWNHOST_TYPE_CUSTOM) + match = !strcmp(host, node->name); + break; + case LIBSSH2_KNOWNHOST_TYPE_SHA1: + if(type == LIBSSH2_KNOWNHOST_TYPE_PLAIN) { + /* when we have the sha1 version stored, we can use a + plain input to produce a hash to compare with the + stored hash. + */ + libssh2_hmac_ctx ctx; + unsigned char hash[SHA_DIGEST_LENGTH]; + + if(SHA_DIGEST_LENGTH != node->name_len) { + /* the name hash length must be the sha1 size or + we can't match it */ + break; + } + libssh2_hmac_sha1_init(&ctx, node->salt, node->salt_len); + libssh2_hmac_update(ctx, (unsigned char *)host, + strlen(host)); + libssh2_hmac_final(ctx, hash); + libssh2_hmac_cleanup(&ctx); + + if(!memcmp(hash, node->name, SHA_DIGEST_LENGTH)) + /* this is a node we're interested in */ + match = 1; + } + break; + default: /* unsupported type */ + break; + } + if(match) { + /* host name match, now compare the keys */ + if(!strcmp(key, node->key)) { + /* they match! */ + if (ext) + *ext = knownhost_to_external(node); + badkey = NULL; + rc = LIBSSH2_KNOWNHOST_CHECK_MATCH; + break; + } + else { + /* remember the first node that had a host match but a + failed key match since we continue our search from + here */ + if(!badkey) + badkey = node; + match = 0; /* don't count this as a match anymore */ + } + } + node= _libssh2_list_next(&node->node); + } + host = hostp; + } while(!match && --numcheck); + + if(badkey) { + /* key mismatch */ + if (ext) + *ext = knownhost_to_external(badkey); + rc = LIBSSH2_KNOWNHOST_CHECK_MISMATCH; + } + + if(keyalloc) + LIBSSH2_FREE(hosts->session, keyalloc); + + return rc; +} + +/* + * libssh2_knownhost_check + * + * Check a host and its associated key against the collection of known hosts. + * + * The typemask is the type/format of the given host name and key + * + * plain - ascii "hostname.domain.tld" + * sha1 - NOT SUPPORTED AS INPUT + * custom - prehashed base64 encoded. Note that this cannot use any salts. + * + * Returns: + * + * LIBSSH2_KNOWNHOST_CHECK_FAILURE + * LIBSSH2_KNOWNHOST_CHECK_NOTFOUND + * LIBSSH2_KNOWNHOST_CHECK_MATCH + * LIBSSH2_KNOWNHOST_CHECK_MISMATCH + */ +LIBSSH2_API int +libssh2_knownhost_check(LIBSSH2_KNOWNHOSTS *hosts, + const char *hostp, const char *key, size_t keylen, + int typemask, + struct libssh2_knownhost **ext) +{ + return knownhost_check(hosts, hostp, -1, key, keylen, + typemask, ext); +} + +/* + * libssh2_knownhost_checkp + * + * Check a host+port and its associated key against the collection of known + * hosts. + * + * Note that if 'port' is specified as greater than zero, the check function + * will be able to check for a dedicated key for this particular host+port + * combo, and if 'port' is negative it only checks for the generic host key. + * + * The typemask is the type/format of the given host name and key + * + * plain - ascii "hostname.domain.tld" + * sha1 - NOT SUPPORTED AS INPUT + * custom - prehashed base64 encoded. Note that this cannot use any salts. + * + * Returns: + * + * LIBSSH2_KNOWNHOST_CHECK_FAILURE + * LIBSSH2_KNOWNHOST_CHECK_NOTFOUND + * LIBSSH2_KNOWNHOST_CHECK_MATCH + * LIBSSH2_KNOWNHOST_CHECK_MISMATCH + */ +LIBSSH2_API int +libssh2_knownhost_checkp(LIBSSH2_KNOWNHOSTS *hosts, + const char *hostp, int port, + const char *key, size_t keylen, + int typemask, + struct libssh2_knownhost **ext) +{ + return knownhost_check(hosts, hostp, port, key, keylen, + typemask, ext); +} + + +/* + * libssh2_knownhost_del + * + * Remove a host from the collection of known hosts. + * + */ +LIBSSH2_API int +libssh2_knownhost_del(LIBSSH2_KNOWNHOSTS *hosts, + struct libssh2_knownhost *entry) +{ + struct known_host *node; + + /* check that this was retrieved the right way or get out */ + if(!entry || (entry->magic != KNOWNHOST_MAGIC)) + return _libssh2_error(hosts->session, LIBSSH2_ERROR_INVAL, + "Invalid host information"); + + /* get the internal node pointer */ + node = entry->node; + + /* unlink from the list of all hosts */ + _libssh2_list_remove(&node->node); + + /* clear the struct now since the memory in which it is allocated is + about to be freed! */ + memset(entry, 0, sizeof(struct libssh2_knownhost)); + + /* free all resources */ + free_host(hosts->session, node); + + return 0; +} + +/* + * libssh2_knownhost_free + * + * Free an entire collection of known hosts. + * + */ +LIBSSH2_API void +libssh2_knownhost_free(LIBSSH2_KNOWNHOSTS *hosts) +{ + struct known_host *node; + struct known_host *next; + + for(node = _libssh2_list_first(&hosts->head); node; node = next) { + next = _libssh2_list_next(&node->node); + free_host(hosts->session, node); + } + LIBSSH2_FREE(hosts->session, hosts); +} + + +/* old style plain text: [name]([,][name])* + + for the sake of simplicity, we add them as separate hosts with the same + key +*/ +static int oldstyle_hostline(LIBSSH2_KNOWNHOSTS *hosts, + const char *host, size_t hostlen, + const char *key, size_t keylen, int key_type, + const char *comment, size_t commentlen) +{ + int rc = 0; + size_t namelen = 0; + const char *name = host + hostlen; + + if(hostlen < 1) + return _libssh2_error(hosts->session, + LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Failed to parse known_hosts line " + "(no host names)"); + + while(name > host) { + --name; + ++namelen; + + /* when we get the the start or see a comma coming up, add the host + name to the collection */ + if((name == host) || (*(name-1) == ',')) { + + char hostbuf[256]; + + /* make sure we don't overflow the buffer */ + if(namelen >= sizeof(hostbuf)-1) + return _libssh2_error(hosts->session, + LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Failed to parse known_hosts line " + "(unexpected length)"); + + /* copy host name to the temp buffer and zero terminate */ + memcpy(hostbuf, name, namelen); + hostbuf[namelen]=0; + + rc = knownhost_add(hosts, hostbuf, NULL, key, keylen, + comment, commentlen, + key_type | LIBSSH2_KNOWNHOST_TYPE_PLAIN | + LIBSSH2_KNOWNHOST_KEYENC_BASE64, NULL); + if(rc) + return rc; + + if(name > host) { + namelen = 0; + --name; /* skip comma */ + } + } + } + + return rc; +} + +/* |1|[salt]|[hash] */ +static int hashed_hostline(LIBSSH2_KNOWNHOSTS *hosts, + const char *host, size_t hostlen, + const char *key, size_t keylen, int key_type, + const char *comment, size_t commentlen) +{ + const char *p; + char saltbuf[32]; + char hostbuf[256]; + + const char *salt = &host[3]; /* skip the magic marker */ + hostlen -= 3; /* deduct the marker */ + + /* this is where the salt starts, find the end of it */ + for(p = salt; *p && (*p != '|'); p++) + ; + + if(*p=='|') { + const char *hash = NULL; + size_t saltlen = p - salt; + if(saltlen >= (sizeof(saltbuf)-1)) /* weird length */ + return _libssh2_error(hosts->session, + LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Failed to parse known_hosts line " + "(unexpectedly long salt)"); + + memcpy(saltbuf, salt, saltlen); + saltbuf[saltlen] = 0; /* zero terminate */ + salt = saltbuf; /* point to the stack based buffer */ + + hash = p+1; /* the host hash is after the separator */ + + /* now make the host point to the hash */ + host = hash; + hostlen -= saltlen+1; /* deduct the salt and separator */ + + /* check that the lengths seem sensible */ + if(hostlen >= sizeof(hostbuf)-1) + return _libssh2_error(hosts->session, + LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Failed to parse known_hosts line " + "(unexpected length)"); + + memcpy(hostbuf, host, hostlen); + hostbuf[hostlen]=0; + + return knownhost_add(hosts, hostbuf, salt, key, keylen, comment, + commentlen, + key_type | LIBSSH2_KNOWNHOST_TYPE_SHA1 | + LIBSSH2_KNOWNHOST_KEYENC_BASE64, NULL); + } + else + return 0; /* XXX: This should be an error, shouldn't it? */ +} + +/* + * hostline() + * + * Parse a single known_host line pre-split into host and key. + * + * The key part may include an optional comment which will be parsed here + * for ssh-rsa and ssh-dsa keys. Comments in other key types aren't handled. + * + * The function assumes new-lines have already been removed from the arguments. + */ +static int hostline(LIBSSH2_KNOWNHOSTS *hosts, + const char *host, size_t hostlen, + const char *key, size_t keylen) +{ + const char *comment = NULL; + size_t commentlen = 0; + int key_type; + + /* make some checks that the lengths seem sensible */ + if(keylen < 20) + return _libssh2_error(hosts->session, + LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Failed to parse known_hosts line " + "(key too short)"); + + switch(key[0]) { + case '0': case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + key_type = LIBSSH2_KNOWNHOST_KEY_RSA1; + + /* Note that the old-style keys (RSA1) aren't truly base64, but we + * claim it is for now since we can get away with strcmp()ing the + * entire anything anyway! We need to check and fix these to make them + * work properly. + */ + break; + + case 's': /* ssh-dss or ssh-rsa */ + if(!strncmp(key, "ssh-dss", 7)) + key_type = LIBSSH2_KNOWNHOST_KEY_SSHDSS; + else if(!strncmp(key, "ssh-rsa", 7)) + key_type = LIBSSH2_KNOWNHOST_KEY_SSHRSA; + else + /* unknown key type */ + return _libssh2_error(hosts->session, + LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Unknown key type"); + + key += 7; + keylen -= 7; + + /* skip whitespaces */ + while((*key ==' ') || (*key == '\t')) { + key++; + keylen--; + } + + comment = key; + commentlen = keylen; + + /* move over key */ + while(commentlen && *comment && + (*comment != ' ') && (*comment != '\t')) { + comment++; + commentlen--; + } + + /* reduce key by comment length */ + keylen -= commentlen; + + /* Distinguish empty comment (a space) from no comment (no space) */ + if (commentlen == 0) + comment = NULL; + + /* skip whitespaces */ + while(commentlen && *comment && + ((*comment ==' ') || (*comment == '\t'))) { + comment++; + commentlen--; + } + break; + + default: /* unknown key format */ + return _libssh2_error(hosts->session, + LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Unknown key format"); + } + + /* Figure out host format */ + if((hostlen >2) && memcmp(host, "|1|", 3)) { + /* old style plain text: [name]([,][name])* + + for the sake of simplicity, we add them as separate hosts with the + same key + */ + return oldstyle_hostline(hosts, host, hostlen, key, keylen, key_type, + comment, commentlen); + } + else { + /* |1|[salt]|[hash] */ + return hashed_hostline(hosts, host, hostlen, key, keylen, key_type, + comment, commentlen); + } +} + +/* + * libssh2_knownhost_readline() + * + * Pass in a line of a file of 'type'. + * + * LIBSSH2_KNOWNHOST_FILE_OPENSSH is the only supported type. + * + * OpenSSH line format: + * + * + * + * Where the two parts can be created like: + * + * can be either + * or + * + * consists of + * [name] optionally followed by [,name] one or more times + * + * consists of + * |1||hash + * + * can be one of: + * [RSA bits] [e] [n as a decimal number] + * 'ssh-dss' [base64-encoded-key] + * 'ssh-rsa' [base64-encoded-key] + * + */ +LIBSSH2_API int +libssh2_knownhost_readline(LIBSSH2_KNOWNHOSTS *hosts, + const char *line, size_t len, int type) +{ + const char *cp; + const char *hostp; + const char *keyp; + size_t hostlen; + size_t keylen; + int rc; + + if(type != LIBSSH2_KNOWNHOST_FILE_OPENSSH) + return _libssh2_error(hosts->session, + LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Unsupported type of known-host information " + "store"); + + cp = line; + + /* skip leading whitespaces */ + while(len && ((*cp==' ') || (*cp == '\t'))) { + cp++; + len--; + } + + if(!len || !*cp || (*cp == '#') || (*cp == '\n')) + /* comment or empty line */ + return LIBSSH2_ERROR_NONE; + + /* the host part starts here */ + hostp = cp; + + /* move over the host to the separator */ + while(len && *cp && (*cp!=' ') && (*cp != '\t')) { + cp++; + len--; + } + + hostlen = cp - hostp; + + /* the key starts after the whitespaces */ + while(len && *cp && ((*cp==' ') || (*cp == '\t'))) { + cp++; + len--; + } + + if(!*cp || !len) /* illegal line */ + return _libssh2_error(hosts->session, + LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Failed to parse known_hosts line"); + + keyp = cp; /* the key starts here */ + keylen = len; + + /* check if the line (key) ends with a newline and if so kill it */ + while(len && *cp && (*cp != '\n')) { + cp++; + len--; + } + + /* zero terminate where the newline is */ + if(*cp == '\n') + keylen--; /* don't include this in the count */ + + /* deal with this one host+key line */ + rc = hostline(hosts, hostp, hostlen, keyp, keylen); + if(rc) + return rc; /* failed */ + + return LIBSSH2_ERROR_NONE; /* success */ +} + +/* + * libssh2_knownhost_readfile + * + * Read hosts+key pairs from a given file. + * + * Returns a negative value for error or number of successfully added hosts. + * + */ + +LIBSSH2_API int +libssh2_knownhost_readfile(LIBSSH2_KNOWNHOSTS *hosts, + const char *filename, int type) +{ + FILE *file; + int num = 0; + char buf[2048]; + + if(type != LIBSSH2_KNOWNHOST_FILE_OPENSSH) + return _libssh2_error(hosts->session, + LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Unsupported type of known-host information " + "store"); + + file = fopen(filename, "r"); + if(file) { + while(fgets(buf, sizeof(buf), file)) { + if(libssh2_knownhost_readline(hosts, buf, strlen(buf), type)) + break; + num++; + } + fclose(file); + } + else + return _libssh2_error(hosts->session, LIBSSH2_ERROR_FILE, + "Failed to open file"); + + return num; +} + +/* + * knownhost_writeline() + * + * Ask libssh2 to convert a known host to an output line for storage. + * + * Note that this function returns LIBSSH2_ERROR_BUFFER_TOO_SMALL if the given + * output buffer is too small to hold the desired output. The 'outlen' field + * will then contain the size libssh2 wanted to store, which then is the + * smallest sufficient buffer it would require. + * + */ +static int +knownhost_writeline(LIBSSH2_KNOWNHOSTS *hosts, + struct known_host *node, + char *buf, size_t buflen, + size_t *outlen, int type) +{ + int rc = LIBSSH2_ERROR_NONE; + int tindex; + const char *keytypes[4]={ + "", /* not used */ + "", /* this type has no name in the file */ + " ssh-rsa", + " ssh-dss" + }; + const char *keytype; + size_t nlen; + size_t commentlen = 0; + + /* we only support this single file type for now, bail out on all other + attempts */ + if(type != LIBSSH2_KNOWNHOST_FILE_OPENSSH) + return _libssh2_error(hosts->session, + LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Unsupported type of known-host information " + "store"); + + tindex = (node->typemask & LIBSSH2_KNOWNHOST_KEY_MASK) >> + LIBSSH2_KNOWNHOST_KEY_SHIFT; + + /* set the string used in the file */ + keytype = keytypes[tindex]; + + /* calculate extra space needed for comment */ + if(node->comment) + commentlen = strlen(node->comment) + 1; + + if((node->typemask & LIBSSH2_KNOWNHOST_TYPE_MASK) == + LIBSSH2_KNOWNHOST_TYPE_SHA1) { + char *namealloc; + char *saltalloc; + nlen = _libssh2_base64_encode(hosts->session, node->name, + node->name_len, &namealloc); + if(!nlen) + return _libssh2_error(hosts->session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "base64-encoded host name"); + + nlen = _libssh2_base64_encode(hosts->session, + node->salt, node->salt_len, + &saltalloc); + if(!nlen) { + free(namealloc); + return _libssh2_error(hosts->session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "base64-encoded salt"); + } + + nlen = strlen(saltalloc) + strlen(namealloc) + strlen(keytype) + + strlen(node->key) + commentlen + 7; + /* |1| + | + ' ' + \n + \0 = 7 */ + + if(nlen <= buflen) + if(node->comment) + snprintf(buf, buflen, "|1|%s|%s%s %s %s\n", saltalloc, namealloc, + keytype, node->key, node->comment); + else + snprintf(buf, buflen, "|1|%s|%s%s %s\n", saltalloc, namealloc, + keytype, node->key); + else + rc = _libssh2_error(hosts->session, LIBSSH2_ERROR_BUFFER_TOO_SMALL, + "Known-host write buffer too small"); + + free(namealloc); + free(saltalloc); + } + else { + nlen = strlen(node->name) + strlen(keytype) + strlen(node->key) + + commentlen + 3; + /* ' ' + '\n' + \0 = 3 */ + if(nlen <= buflen) + /* these types have the plain name */ + if(node->comment) + snprintf(buf, buflen, "%s%s %s %s\n", node->name, keytype, node->key, + node->comment); + else + snprintf(buf, buflen, "%s%s %s\n", node->name, keytype, node->key); + else + rc = _libssh2_error(hosts->session, LIBSSH2_ERROR_BUFFER_TOO_SMALL, + "Known-host write buffer too small"); + } + + /* we report the full length of the data with the trailing zero excluded */ + *outlen = nlen-1; + + return rc; +} + +/* + * libssh2_knownhost_writeline() + * + * Ask libssh2 to convert a known host to an output line for storage. + * + * Note that this function returns LIBSSH2_ERROR_BUFFER_TOO_SMALL if the given + * output buffer is too small to hold the desired output. + */ +LIBSSH2_API int +libssh2_knownhost_writeline(LIBSSH2_KNOWNHOSTS *hosts, + struct libssh2_knownhost *known, + char *buffer, size_t buflen, + size_t *outlen, /* the amount of written data */ + int type) +{ + struct known_host *node; + + if(known->magic != KNOWNHOST_MAGIC) + return _libssh2_error(hosts->session, LIBSSH2_ERROR_INVAL, + "Invalid host information"); + + node = known->node; + + return knownhost_writeline(hosts, node, buffer, buflen, outlen, type); +} + +/* + * libssh2_knownhost_writefile() + * + * Write hosts+key pairs to the given file. + */ +LIBSSH2_API int +libssh2_knownhost_writefile(LIBSSH2_KNOWNHOSTS *hosts, + const char *filename, int type) +{ + struct known_host *node; + FILE *file; + int rc = LIBSSH2_ERROR_NONE; + char buffer[2048]; + + /* we only support this single file type for now, bail out on all other + attempts */ + if(type != LIBSSH2_KNOWNHOST_FILE_OPENSSH) + return _libssh2_error(hosts->session, + LIBSSH2_ERROR_METHOD_NOT_SUPPORTED, + "Unsupported type of known-host information " + "store"); + + file = fopen(filename, "w"); + if(!file) + return _libssh2_error(hosts->session, LIBSSH2_ERROR_FILE, + "Failed to open file"); + + for(node = _libssh2_list_first(&hosts->head); + node; + node= _libssh2_list_next(&node->node) ) { + size_t wrote; + size_t nwrote; + rc = knownhost_writeline(hosts, node, buffer, sizeof(buffer), &wrote, + type); + if(rc) + break; + + nwrote = fwrite(buffer, 1, wrote, file); + if(nwrote != wrote) { + /* failed to write the whole thing, bail out */ + rc = _libssh2_error(hosts->session, LIBSSH2_ERROR_FILE, + "Write failed"); + break; + } + } + fclose(file); + + return rc; +} + + +/* + * libssh2_knownhost_get() + * + * Traverse the internal list of known hosts. Pass NULL to 'prev' to get + * the first one. + * + * Returns: + * 0 if a fine host was stored in 'store' + * 1 if end of hosts + * [negative] on errors + */ +LIBSSH2_API int +libssh2_knownhost_get(LIBSSH2_KNOWNHOSTS *hosts, + struct libssh2_knownhost **ext, + struct libssh2_knownhost *oprev) +{ + struct known_host *node; + if(oprev && oprev->node) { + /* we have a starting point */ + struct known_host *prev = oprev->node; + + /* get the next node in the list */ + node = _libssh2_list_next(&prev->node); + + } + else + node = _libssh2_list_first(&hosts->head); + + if(!node) + /* no (more) node */ + return 1; + + *ext = knownhost_to_external(node); + + return 0; +} diff --git a/vendor/libssh2-1.4.2/src/libgcrypt.c b/vendor/libssh2-1.4.2/src/libgcrypt.c new file mode 100644 index 0000000..5c2787b --- /dev/null +++ b/vendor/libssh2-1.4.2/src/libgcrypt.c @@ -0,0 +1,593 @@ +/* Copyright (C) 2008, 2009, Simon Josefsson + * Copyright (C) 2006, 2007, The Written Word, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" + +#ifdef LIBSSH2_LIBGCRYPT /* compile only if we build with libgcrypt */ + +#include + +int +_libssh2_rsa_new(libssh2_rsa_ctx ** rsa, + const unsigned char *edata, + unsigned long elen, + const unsigned char *ndata, + unsigned long nlen, + const unsigned char *ddata, + unsigned long dlen, + const unsigned char *pdata, + unsigned long plen, + const unsigned char *qdata, + unsigned long qlen, + const unsigned char *e1data, + unsigned long e1len, + const unsigned char *e2data, + unsigned long e2len, + const unsigned char *coeffdata, unsigned long coefflen) +{ + int rc; + (void) e1data; + (void) e1len; + (void) e2data; + (void) e2len; + + if (ddata) { + rc = gcry_sexp_build + (rsa, NULL, + "(private-key(rsa(n%b)(e%b)(d%b)(q%b)(p%b)(u%b)))", + nlen, ndata, elen, edata, dlen, ddata, plen, pdata, + qlen, qdata, coefflen, coeffdata); + } else { + rc = gcry_sexp_build(rsa, NULL, "(public-key(rsa(n%b)(e%b)))", + nlen, ndata, elen, edata); + } + if (rc) { + *rsa = NULL; + return -1; + } + + return 0; +} + +int +_libssh2_rsa_sha1_verify(libssh2_rsa_ctx * rsa, + const unsigned char *sig, + unsigned long sig_len, + const unsigned char *m, unsigned long m_len) +{ + unsigned char hash[SHA_DIGEST_LENGTH]; + gcry_sexp_t s_sig, s_hash; + int rc = -1; + + libssh2_sha1(m, m_len, hash); + + rc = gcry_sexp_build(&s_hash, NULL, + "(data (flags pkcs1) (hash sha1 %b))", + SHA_DIGEST_LENGTH, hash); + if (rc != 0) { + return -1; + } + + rc = gcry_sexp_build(&s_sig, NULL, "(sig-val(rsa(s %b)))", sig_len, sig); + if (rc != 0) { + gcry_sexp_release(s_hash); + return -1; + } + + rc = gcry_pk_verify(s_sig, s_hash, rsa); + gcry_sexp_release(s_sig); + gcry_sexp_release(s_hash); + + return (rc == 0) ? 0 : -1; +} + +int +_libssh2_dsa_new(libssh2_dsa_ctx ** dsactx, + const unsigned char *p, + unsigned long p_len, + const unsigned char *q, + unsigned long q_len, + const unsigned char *g, + unsigned long g_len, + const unsigned char *y, + unsigned long y_len, + const unsigned char *x, unsigned long x_len) +{ + int rc; + + if (x_len) { + rc = gcry_sexp_build + (dsactx, NULL, + "(private-key(dsa(p%b)(q%b)(g%b)(y%b)(x%b)))", + p_len, p, q_len, q, g_len, g, y_len, y, x_len, x); + } else { + rc = gcry_sexp_build(dsactx, NULL, + "(public-key(dsa(p%b)(q%b)(g%b)(y%b)))", + p_len, p, q_len, q, g_len, g, y_len, y); + } + + if (rc) { + *dsactx = NULL; + return -1; + } + + return 0; +} + +int +_libssh2_rsa_new_private(libssh2_rsa_ctx ** rsa, + LIBSSH2_SESSION * session, + const char *filename, unsigned const char *passphrase) +{ + FILE *fp; + unsigned char *data, *save_data; + unsigned int datalen; + int ret; + unsigned char *n, *e, *d, *p, *q, *e1, *e2, *coeff; + unsigned int nlen, elen, dlen, plen, qlen, e1len, e2len, coefflen; + + (void) passphrase; + + fp = fopen(filename, "r"); + if (!fp) { + return -1; + } + + ret = _libssh2_pem_parse(session, + "-----BEGIN RSA PRIVATE KEY-----", + "-----END RSA PRIVATE KEY-----", + fp, &data, &datalen); + fclose(fp); + if (ret) { + return -1; + } + + save_data = data; + + if (_libssh2_pem_decode_sequence(&data, &datalen)) { + ret = -1; + goto fail; + } +/* First read Version field (should be 0). */ + ret = _libssh2_pem_decode_integer(&data, &datalen, &n, &nlen); + if (ret != 0 || (nlen != 1 && *n != '\0')) { + ret = -1; + goto fail; + } + + ret = _libssh2_pem_decode_integer(&data, &datalen, &n, &nlen); + if (ret != 0) { + ret = -1; + goto fail; + } + + ret = _libssh2_pem_decode_integer(&data, &datalen, &e, &elen); + if (ret != 0) { + ret = -1; + goto fail; + } + + ret = _libssh2_pem_decode_integer(&data, &datalen, &d, &dlen); + if (ret != 0) { + ret = -1; + goto fail; + } + + ret = _libssh2_pem_decode_integer(&data, &datalen, &p, &plen); + if (ret != 0) { + ret = -1; + goto fail; + } + + ret = _libssh2_pem_decode_integer(&data, &datalen, &q, &qlen); + if (ret != 0) { + ret = -1; + goto fail; + } + + ret = _libssh2_pem_decode_integer(&data, &datalen, &e1, &e1len); + if (ret != 0) { + ret = -1; + goto fail; + } + + ret = _libssh2_pem_decode_integer(&data, &datalen, &e2, &e2len); + if (ret != 0) { + ret = -1; + goto fail; + } + + ret = _libssh2_pem_decode_integer(&data, &datalen, &coeff, &coefflen); + if (ret != 0) { + ret = -1; + goto fail; + } + + if (_libssh2_rsa_new(rsa, e, elen, n, nlen, d, dlen, p, plen, + q, qlen, e1, e1len, e2, e2len, coeff, coefflen)) { + ret = -1; + goto fail; + } + + ret = 0; + + fail: + LIBSSH2_FREE(session, save_data); + return ret; +} + +int +_libssh2_dsa_new_private(libssh2_dsa_ctx ** dsa, + LIBSSH2_SESSION * session, + const char *filename, unsigned const char *passphrase) +{ + FILE *fp; + unsigned char *data, *save_data; + unsigned int datalen; + int ret; + unsigned char *p, *q, *g, *y, *x; + unsigned int plen, qlen, glen, ylen, xlen; + + (void) passphrase; + + fp = fopen(filename, "r"); + if (!fp) { + return -1; + } + + ret = _libssh2_pem_parse(session, + "-----BEGIN DSA PRIVATE KEY-----", + "-----END DSA PRIVATE KEY-----", + fp, &data, &datalen); + fclose(fp); + if (ret) { + return -1; + } + + save_data = data; + + if (_libssh2_pem_decode_sequence(&data, &datalen)) { + ret = -1; + goto fail; + } + +/* First read Version field (should be 0). */ + ret = _libssh2_pem_decode_integer(&data, &datalen, &p, &plen); + if (ret != 0 || (plen != 1 && *p != '\0')) { + ret = -1; + goto fail; + } + + ret = _libssh2_pem_decode_integer(&data, &datalen, &p, &plen); + if (ret != 0) { + ret = -1; + goto fail; + } + + ret = _libssh2_pem_decode_integer(&data, &datalen, &q, &qlen); + if (ret != 0) { + ret = -1; + goto fail; + } + + ret = _libssh2_pem_decode_integer(&data, &datalen, &g, &glen); + if (ret != 0) { + ret = -1; + goto fail; + } + + ret = _libssh2_pem_decode_integer(&data, &datalen, &y, &ylen); + if (ret != 0) { + ret = -1; + goto fail; + } + + ret = _libssh2_pem_decode_integer(&data, &datalen, &x, &xlen); + if (ret != 0) { + ret = -1; + goto fail; + } + + if (datalen != 0) { + ret = -1; + goto fail; + } + + if (_libssh2_dsa_new(dsa, p, plen, q, qlen, g, glen, y, ylen, x, xlen)) { + ret = -1; + goto fail; + } + + ret = 0; + + fail: + LIBSSH2_FREE(session, save_data); + return ret; +} + +int +_libssh2_rsa_sha1_sign(LIBSSH2_SESSION * session, + libssh2_dsa_ctx * rsactx, + const unsigned char *hash, + size_t hash_len, + unsigned char **signature, size_t *signature_len) +{ + gcry_sexp_t sig_sexp; + gcry_sexp_t data; + int rc; + const char *tmp; + size_t size; + + if (hash_len != SHA_DIGEST_LENGTH) { + return -1; + } + + if (gcry_sexp_build(&data, NULL, + "(data (flags pkcs1) (hash sha1 %b))", + hash_len, hash)) { + return -1; + } + + rc = gcry_pk_sign(&sig_sexp, data, rsactx); + + gcry_sexp_release(data); + + if (rc != 0) { + return -1; + } + + data = gcry_sexp_find_token(sig_sexp, "s", 0); + if (!data) { + return -1; + } + + tmp = gcry_sexp_nth_data(data, 1, &size); + if (!tmp) { + return -1; + } + + if (tmp[0] == '\0') { + tmp++; + size--; + } + + *signature = LIBSSH2_ALLOC(session, size); + memcpy(*signature, tmp, size); + *signature_len = size; + + return rc; +} + +int +_libssh2_dsa_sha1_sign(libssh2_dsa_ctx * dsactx, + const unsigned char *hash, + unsigned long hash_len, unsigned char *sig) +{ + unsigned char zhash[SHA_DIGEST_LENGTH + 1]; + gcry_sexp_t sig_sexp; + gcry_sexp_t data; + int ret; + const char *tmp; + size_t size; + + if (hash_len != SHA_DIGEST_LENGTH) { + return -1; + } + + memcpy(zhash + 1, hash, hash_len); + zhash[0] = 0; + + if (gcry_sexp_build(&data, NULL, "(data (value %b))", hash_len + 1, zhash)) { + return -1; + } + + ret = gcry_pk_sign(&sig_sexp, data, dsactx); + + gcry_sexp_release(data); + + if (ret != 0) { + return -1; + } + + memset(sig, 0, 40); + +/* Extract R. */ + + data = gcry_sexp_find_token(sig_sexp, "r", 0); + if (!data) + goto err; + + tmp = gcry_sexp_nth_data(data, 1, &size); + if (!tmp) + goto err; + + if (tmp[0] == '\0') { + tmp++; + size--; + } + + if (size < 1 || size > 20) + goto err; + + memcpy(sig + (20 - size), tmp, size); + + gcry_sexp_release(data); + +/* Extract S. */ + + data = gcry_sexp_find_token(sig_sexp, "s", 0); + if (!data) + goto err; + + tmp = gcry_sexp_nth_data(data, 1, &size); + if (!tmp) + goto err; + + if (tmp[0] == '\0') { + tmp++; + size--; + } + + if (size < 1 || size > 20) + goto err; + + memcpy(sig + 20 + (20 - size), tmp, size); + goto out; + + err: + ret = -1; + + out: + if (sig_sexp) { + gcry_sexp_release(sig_sexp); + } + if (data) { + gcry_sexp_release(data); + } + return ret; +} + +int +_libssh2_dsa_sha1_verify(libssh2_dsa_ctx * dsactx, + const unsigned char *sig, + const unsigned char *m, unsigned long m_len) +{ + unsigned char hash[SHA_DIGEST_LENGTH + 1]; + gcry_sexp_t s_sig, s_hash; + int rc = -1; + + libssh2_sha1(m, m_len, hash + 1); + hash[0] = 0; + + if (gcry_sexp_build(&s_hash, NULL, "(data(flags raw)(value %b))", + SHA_DIGEST_LENGTH + 1, hash)) { + return -1; + } + + if (gcry_sexp_build(&s_sig, NULL, "(sig-val(dsa(r %b)(s %b)))", + 20, sig, 20, sig + 20)) { + gcry_sexp_release(s_hash); + return -1; + } + + rc = gcry_pk_verify(s_sig, s_hash, dsactx); + gcry_sexp_release(s_sig); + gcry_sexp_release(s_hash); + + return (rc == 0) ? 0 : -1; +} + +int +_libssh2_cipher_init(_libssh2_cipher_ctx * h, + _libssh2_cipher_type(algo), + unsigned char *iv, unsigned char *secret, int encrypt) +{ + int ret; + int cipher = _libssh2_gcry_cipher (algo); + int mode = _libssh2_gcry_mode (algo); + int keylen = gcry_cipher_get_algo_keylen(cipher); + + (void) encrypt; + + ret = gcry_cipher_open(h, cipher, mode, 0); + if (ret) { + return -1; + } + + ret = gcry_cipher_setkey(*h, secret, keylen); + if (ret) { + gcry_cipher_close(*h); + return -1; + } + + if (mode != GCRY_CIPHER_MODE_STREAM) { + int blklen = gcry_cipher_get_algo_blklen(cipher); + if (mode == GCRY_CIPHER_MODE_CTR) + ret = gcry_cipher_setctr(*h, iv, blklen); + else + ret = gcry_cipher_setiv(*h, iv, blklen); + if (ret) { + gcry_cipher_close(*h); + return -1; + } + } + + return 0; +} + +int +_libssh2_cipher_crypt(_libssh2_cipher_ctx * ctx, + _libssh2_cipher_type(algo), + int encrypt, unsigned char *block) +{ + int cipher = _libssh2_gcry_cipher (algo); + size_t blklen = gcry_cipher_get_algo_blklen(cipher); + int ret; + + if (blklen == 1) { +/* Hack for arcfour. */ + blklen = 8; + } + + if (encrypt) { + ret = gcry_cipher_encrypt(*ctx, block, blklen, block, blklen); + } else { + ret = gcry_cipher_decrypt(*ctx, block, blklen, block, blklen); + } + return ret; +} + +int +_libssh2_pub_priv_keyfile(LIBSSH2_SESSION *session, + unsigned char **method, + size_t *method_len, + unsigned char **pubkeydata, + size_t *pubkeydata_len, + const char *privatekey, + const char *passphrase) +{ + return _libssh2_error(session, LIBSSH2_ERROR_FILE, + "Unable to extract public key from private key file: " + "Method unimplemented in libgcrypt backend"); +} + +void _libssh2_init_aes_ctr(void) +{ + /* no implementation */ +} +#endif /* LIBSSH2_LIBGCRYPT */ diff --git a/vendor/libssh2-1.4.2/src/libgcrypt.h b/vendor/libssh2-1.4.2/src/libgcrypt.h new file mode 100644 index 0000000..04516e5 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/libgcrypt.h @@ -0,0 +1,150 @@ +/* + * Copyright (C) 2008, 2009, 2010 Simon Josefsson + * Copyright (C) 2006, 2007, The Written Word, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include + +#define LIBSSH2_MD5 1 + +#define LIBSSH2_HMAC_RIPEMD 1 + +#define LIBSSH2_AES 1 +#define LIBSSH2_AES_CTR 1 +#define LIBSSH2_BLOWFISH 1 +#define LIBSSH2_RC4 1 +#define LIBSSH2_CAST 1 +#define LIBSSH2_3DES 1 + +#define LIBSSH2_RSA 1 +#define LIBSSH2_DSA 1 + +#define MD5_DIGEST_LENGTH 16 +#define SHA_DIGEST_LENGTH 20 + +#define _libssh2_random(buf, len) \ + (gcry_randomize ((buf), (len), GCRY_STRONG_RANDOM), 1) + +#define libssh2_sha1_ctx gcry_md_hd_t +#define libssh2_sha1_init(ctx) gcry_md_open (ctx, GCRY_MD_SHA1, 0); +#define libssh2_sha1_update(ctx, data, len) gcry_md_write (ctx, data, len) +#define libssh2_sha1_final(ctx, out) \ + memcpy (out, gcry_md_read (ctx, 0), SHA_DIGEST_LENGTH), gcry_md_close (ctx) +#define libssh2_sha1(message, len, out) \ + gcry_md_hash_buffer (GCRY_MD_SHA1, out, message, len) + +#define libssh2_md5_ctx gcry_md_hd_t +#define libssh2_md5_init(ctx) gcry_md_open (ctx, GCRY_MD_MD5, 0); +#define libssh2_md5_update(ctx, data, len) gcry_md_write (ctx, data, len) +#define libssh2_md5_final(ctx, out) \ + memcpy (out, gcry_md_read (ctx, 0), MD5_DIGEST_LENGTH), gcry_md_close (ctx) +#define libssh2_md5(message, len, out) \ + gcry_md_hash_buffer (GCRY_MD_MD5, out, message, len) + +#define libssh2_hmac_ctx gcry_md_hd_t +#define libssh2_hmac_sha1_init(ctx, key, keylen) \ + gcry_md_open (ctx, GCRY_MD_SHA1, GCRY_MD_FLAG_HMAC), \ + gcry_md_setkey (*ctx, key, keylen) +#define libssh2_hmac_md5_init(ctx, key, keylen) \ + gcry_md_open (ctx, GCRY_MD_MD5, GCRY_MD_FLAG_HMAC), \ + gcry_md_setkey (*ctx, key, keylen) +#define libssh2_hmac_ripemd160_init(ctx, key, keylen) \ + gcry_md_open (ctx, GCRY_MD_RMD160, GCRY_MD_FLAG_HMAC), \ + gcry_md_setkey (*ctx, key, keylen) +#define libssh2_hmac_update(ctx, data, datalen) \ + gcry_md_write (ctx, data, datalen) +#define libssh2_hmac_final(ctx, data) \ + memcpy (data, gcry_md_read (ctx, 0), \ + gcry_md_get_algo_dlen (gcry_md_get_algo (ctx))) +#define libssh2_hmac_cleanup(ctx) gcry_md_close (*ctx); + +#define libssh2_crypto_init() gcry_control (GCRYCTL_DISABLE_SECMEM) +#define libssh2_crypto_exit() + +#define libssh2_rsa_ctx struct gcry_sexp + +#define _libssh2_rsa_free(rsactx) gcry_sexp_release (rsactx) + +#define libssh2_dsa_ctx struct gcry_sexp + +#define _libssh2_dsa_free(dsactx) gcry_sexp_release (dsactx) + +#define _libssh2_cipher_type(name) int name +#define _libssh2_cipher_ctx gcry_cipher_hd_t + +#define _libssh2_gcry_ciphermode(c,m) ((c << 8) | m) +#define _libssh2_gcry_cipher(c) (c >> 8) +#define _libssh2_gcry_mode(m) (m & 0xFF) + +#define _libssh2_cipher_aes256ctr \ + _libssh2_gcry_ciphermode(GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CTR) +#define _libssh2_cipher_aes192ctr \ + _libssh2_gcry_ciphermode(GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_CTR) +#define _libssh2_cipher_aes128ctr \ + _libssh2_gcry_ciphermode(GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CTR) +#define _libssh2_cipher_aes256 \ + _libssh2_gcry_ciphermode(GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CBC) +#define _libssh2_cipher_aes192 \ + _libssh2_gcry_ciphermode(GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_CBC) +#define _libssh2_cipher_aes128 \ + _libssh2_gcry_ciphermode(GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CBC) +#define _libssh2_cipher_blowfish \ + _libssh2_gcry_ciphermode(GCRY_CIPHER_BLOWFISH, GCRY_CIPHER_MODE_CBC) +#define _libssh2_cipher_arcfour \ + _libssh2_gcry_ciphermode(GCRY_CIPHER_ARCFOUR, GCRY_CIPHER_MODE_STREAM) +#define _libssh2_cipher_cast5 \ + _libssh2_gcry_ciphermode(GCRY_CIPHER_CAST5, GCRY_CIPHER_MODE_CBC) +#define _libssh2_cipher_3des \ + _libssh2_gcry_ciphermode(GCRY_CIPHER_3DES, GCRY_CIPHER_MODE_CBC) + + +#define _libssh2_cipher_dtor(ctx) gcry_cipher_close(*(ctx)) + +#define _libssh2_bn struct gcry_mpi +#define _libssh2_bn_ctx int +#define _libssh2_bn_ctx_new() 0 +#define _libssh2_bn_ctx_free(bnctx) ((void)0) +#define _libssh2_bn_init() gcry_mpi_new(0) +#define _libssh2_bn_rand(bn, bits, top, bottom) gcry_mpi_randomize (bn, bits, GCRY_WEAK_RANDOM) +#define _libssh2_bn_mod_exp(r, a, p, m, ctx) gcry_mpi_powm (r, a, p, m) +#define _libssh2_bn_set_word(bn, val) gcry_mpi_set_ui(bn, val) +#define _libssh2_bn_from_bin(bn, len, val) gcry_mpi_scan(&((bn)), GCRYMPI_FMT_USG, val, len, NULL) +#define _libssh2_bn_to_bin(bn, val) gcry_mpi_print (GCRYMPI_FMT_USG, val, _libssh2_bn_bytes(bn), NULL, bn) +#define _libssh2_bn_bytes(bn) (gcry_mpi_get_nbits (bn) / 8 + ((gcry_mpi_get_nbits (bn) % 8 == 0) ? 0 : 1)) +#define _libssh2_bn_bits(bn) gcry_mpi_get_nbits (bn) +#define _libssh2_bn_free(bn) gcry_mpi_release(bn) + diff --git a/vendor/libssh2-1.4.2/src/libssh2_config.h b/vendor/libssh2-1.4.2/src/libssh2_config.h new file mode 100644 index 0000000..4591f5f --- /dev/null +++ b/vendor/libssh2-1.4.2/src/libssh2_config.h @@ -0,0 +1,5 @@ +#ifdef WIN32 + #include "libssh2_config_win.h" +#else + #include "libssh2_config_osx.h" +#endif diff --git a/vendor/libssh2-1.4.2/src/libssh2_config_osx.h b/vendor/libssh2-1.4.2/src/libssh2_config_osx.h new file mode 100644 index 0000000..d8917c2 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/libssh2_config_osx.h @@ -0,0 +1,224 @@ +/* src/libssh2_config.h. Generated from libssh2_config.h.in by configure. */ +/* src/libssh2_config.h.in. Generated from configure.ac by autoheader. */ + +/* Define if building universal (internal helper macro) */ +/* #undef AC_APPLE_UNIVERSAL_BUILD */ + +/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP + systems. This function is required for `alloca.c' support on those systems. + */ +/* #undef CRAY_STACKSEG_END */ + +/* Define to 1 if using `alloca.c'. */ +/* #undef C_ALLOCA */ + +/* Define to 1 if you have `alloca', as a function or macro. */ +#define HAVE_ALLOCA 1 + +/* Define to 1 if you have and it should be used (not on Ultrix). + */ +#define HAVE_ALLOCA_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_ARPA_INET_H 1 + +/* disabled non-blocking sockets */ +/* #undef HAVE_DISABLED_NONBLOCKING */ + +/* Define to 1 if you have the header file. */ +#define HAVE_DLFCN_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_ERRNO_H 1 + +/* Define to 1 if you have the `EVP_aes_128_ctr' function. */ +/* #undef HAVE_EVP_AES_128_CTR */ + +/* Define to 1 if you have the header file. */ +#define HAVE_FCNTL_H 1 + +/* use FIONBIO for non-blocking sockets */ +/* #undef HAVE_FIONBIO */ + +/* Define to 1 if you have the `gettimeofday' function. */ +#define HAVE_GETTIMEOFDAY 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_INTTYPES_H 1 + +/* use ioctlsocket() for non-blocking sockets */ +/* #undef HAVE_IOCTLSOCKET */ + +/* use Ioctlsocket() for non-blocking sockets */ +/* #undef HAVE_IOCTLSOCKET_CASE */ + +/* Define if you have the gcrypt library. */ +/* #undef HAVE_LIBGCRYPT */ + +/* Define if you have the ssl library. */ +#define HAVE_LIBSSL 1 + +/* Define if you have the z library. */ +#define HAVE_LIBZ 1 + +/* Define to 1 if the compiler supports the 'long long' data type. */ +#define HAVE_LONGLONG 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_MEMORY_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_NETINET_IN_H 1 + +/* use O_NONBLOCK for non-blocking sockets */ +#define HAVE_O_NONBLOCK 1 + +/* Define to 1 if you have the `poll' function. */ +/* #undef HAVE_POLL */ + +/* Define to 1 if you have the select function. */ +#define HAVE_SELECT 1 + +/* use SO_NONBLOCK for non-blocking sockets */ +/* #undef HAVE_SO_NONBLOCK */ + +/* Define to 1 if you have the header file. */ +#define HAVE_STDINT_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STDIO_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STDLIB_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STRINGS_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_STRING_H 1 + +/* Define to 1 if you have the `strtoll' function. */ +#define HAVE_STRTOLL 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_IOCTL_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_SELECT_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_SOCKET_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_STAT_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_TIME_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_TYPES_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_UIO_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_UN_H 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_UNISTD_H 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_WINDOWS_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_WINSOCK2_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_WS2TCPIP_H */ + +/* to make a symbol visible */ +/* #undef LIBSSH2_API */ + +/* Enable "none" cipher -- NOT RECOMMENDED */ +/* #undef LIBSSH2_CRYPT_NONE */ + +/* Enable newer diffie-hellman-group-exchange-sha1 syntax */ +#define LIBSSH2_DH_GEX_NEW 1 + +/* Compile in zlib support */ +#define LIBSSH2_HAVE_ZLIB 1 + +/* Use libgcrypt */ +/* #undef LIBSSH2_LIBGCRYPT */ + +/* Enable "none" MAC -- NOT RECOMMENDED */ +/* #undef LIBSSH2_MAC_NONE */ + +/* Define to the sub-directory in which libtool stores uninstalled libraries. + */ +#define LT_OBJDIR ".libs/" + +/* Define to 1 if _REENTRANT preprocessor symbol must be defined. */ +/* #undef NEED_REENTRANT */ + +/* Name of package */ +#define PACKAGE "libssh2" + +/* Define to the address where bug reports for this package should be sent. */ +#define PACKAGE_BUGREPORT "libssh2-devel@cool.haxx.se" + +/* Define to the full name of this package. */ +#define PACKAGE_NAME "libssh2" + +/* Define to the full name and version of this package. */ +#define PACKAGE_STRING "libssh2 -" + +/* Define to the one symbol short name of this package. */ +#define PACKAGE_TARNAME "libssh2" + +/* Define to the home page for this package. */ +#define PACKAGE_URL "" + +/* Define to the version of this package. */ +#define PACKAGE_VERSION "-" + +/* If using the C implementation of alloca, define if you know the + direction of stack growth for your system; otherwise it will be + automatically deduced at runtime. + STACK_DIRECTION > 0 => grows toward higher addresses + STACK_DIRECTION < 0 => grows toward lower addresses + STACK_DIRECTION = 0 => direction of growth unknown */ +/* #undef STACK_DIRECTION */ + +/* Define to 1 if you have the ANSI C header files. */ +#define STDC_HEADERS 1 + +/* Version number of package */ +#define VERSION "-" + +/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most + significant byte first (like Motorola and SPARC, unlike Intel). */ +#if defined AC_APPLE_UNIVERSAL_BUILD +# if defined __BIG_ENDIAN__ +# define WORDS_BIGENDIAN 1 +# endif +#else +# ifndef WORDS_BIGENDIAN +/* # undef WORDS_BIGENDIAN */ +# endif +#endif + +/* Number of bits in a file offset, on hosts where this is settable. */ +/* #undef _FILE_OFFSET_BITS */ + +/* Define for large files, on AIX-style hosts. */ +/* #undef _LARGE_FILES */ + +/* Define to empty if `const' does not conform to ANSI C. */ +/* #undef const */ + +/* Define to `__inline__' or `__inline' if that's what the C compiler + calls it, or to nothing if 'inline' is not supported under any name. */ +#ifndef __cplusplus +/* #undef inline */ +#endif diff --git a/vendor/libssh2-1.4.2/src/libssh2_config_win.h b/vendor/libssh2-1.4.2/src/libssh2_config_win.h new file mode 100644 index 0000000..39e438f --- /dev/null +++ b/vendor/libssh2-1.4.2/src/libssh2_config_win.h @@ -0,0 +1,41 @@ +#ifndef LIBSSH2_CONFIG_H +#define LIBSSH2_CONFIG_H + +#ifndef WIN32 +#define WIN32 +#endif +#ifndef _CRT_SECURE_NO_DEPRECATE +#define _CRT_SECURE_NO_DEPRECATE 1 +#endif /* _CRT_SECURE_NO_DEPRECATE */ +#include +#include +#include + +#ifdef __MINGW32__ +#define HAVE_UNISTD_H +#define HAVE_INTTYPES_H +#define HAVE_SYS_TIME_H +#endif + +#define HAVE_WINSOCK2_H +#define HAVE_IOCTLSOCKET +#define HAVE_SELECT + +#ifdef _MSC_VER +#define snprintf _snprintf +#if _MSC_VER < 1500 +#define vsnprintf _vsnprintf +#endif +#define strdup _strdup +#define strncasecmp _strnicmp +#define strcasecmp _stricmp +#else +#define strncasecmp strnicmp +#define strcasecmp stricmp +#endif /* _MSC_VER */ + +/* Enable newer diffie-hellman-group-exchange-sha1 syntax */ +#define LIBSSH2_DH_GEX_NEW 1 + +#endif /* LIBSSH2_CONFIG_H */ + diff --git a/vendor/libssh2-1.4.2/src/libssh2_priv.h b/vendor/libssh2-1.4.2/src/libssh2_priv.h new file mode 100644 index 0000000..c670a16 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/libssh2_priv.h @@ -0,0 +1,1038 @@ +/* Copyright (c) 2004-2008, 2010, Sara Golemon + * Copyright (c) 2009-2011 by Daniel Stenberg + * Copyright (c) 2010 Simon Josefsson + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#ifndef LIBSSH2_PRIV_H +#define LIBSSH2_PRIV_H 1 + +#define LIBSSH2_LIBRARY +#include "libssh2_config.h" + +#ifdef HAVE_WINDOWS_H +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include +#undef WIN32_LEAN_AND_MEAN +#endif + +#ifdef HAVE_WS2TCPIP_H +#include +#endif + +#include +#include + +/* The following CPP block should really only be in session.c and + packet.c. However, AIX have #define's for 'events' and 'revents' + and we are using those names in libssh2.h, so we need to include + the AIX headers first, to make sure all code is compiled with + consistent names of these fields. While arguable the best would to + change libssh2.h to use other names, that would break backwards + compatibility. For more information, see: + http://www.mail-archive.com/libssh2-devel%40lists.sourceforge.net/msg00003.html + http://www.mail-archive.com/libssh2-devel%40lists.sourceforge.net/msg00224.html +*/ +#ifdef HAVE_POLL +# include +#else +# if defined(HAVE_SELECT) && !defined(WIN32) +# ifdef HAVE_SYS_SELECT_H +# include +# else +# include +# include +# endif +# endif +#endif + +/* Needed for struct iovec on some platforms */ +#ifdef HAVE_SYS_UIO_H +#include +#endif + +#ifdef HAVE_SYS_SOCKET_H +# include +#endif +#ifdef HAVE_SYS_IOCTL_H +# include +#endif +#ifdef HAVE_INTTYPES_H +#include +#endif + +#include "libssh2.h" +#include "libssh2_publickey.h" +#include "libssh2_sftp.h" +#include "misc.h" /* for the linked list stuff */ + +#ifndef FALSE +#define FALSE 0 +#endif +#ifndef TRUE +#define TRUE 1 +#endif + +/* Provide iovec / writev on WIN32 platform. */ +#ifdef WIN32 + +struct iovec { + size_t iov_len; + void * iov_base; +}; + +#define inline __inline + +static inline int writev(int sock, struct iovec *iov, int nvecs) +{ + DWORD ret; + if (WSASend(sock, (LPWSABUF)iov, nvecs, &ret, 0, NULL, NULL) == 0) { + return ret; + } + return -1; +} + +#endif /* WIN32 */ + +#include "crypto.h" + +#ifdef HAVE_WINSOCK2_H + +#include +#include +#include + +#ifdef _MSC_VER +/* "inline" keyword is valid only with C++ engine! */ +#define inline __inline +#endif + +#endif + +/* RFC4253 section 6.1 Maximum Packet Length says: + * + * "All implementations MUST be able to process packets with + * uncompressed payload length of 32768 bytes or less and + * total packet size of 35000 bytes or less (including length, + * padding length, payload, padding, and MAC.)." + */ +#define MAX_SSH_PACKET_LEN 35000 + +#define LIBSSH2_ALLOC(session, count) \ + session->alloc((count), &(session)->abstract) +#define LIBSSH2_REALLOC(session, ptr, count) \ + ((ptr) ? session->realloc((ptr), (count), &(session)->abstract) : \ + session->alloc((count), &(session)->abstract)) +#define LIBSSH2_FREE(session, ptr) \ + session->free((ptr), &(session)->abstract) +#define LIBSSH2_IGNORE(session, data, datalen) \ + session->ssh_msg_ignore((session), (data), (datalen), &(session)->abstract) +#define LIBSSH2_DEBUG(session, always_display, message, message_len, \ + language, language_len) \ + session->ssh_msg_debug((session), (always_display), (message), \ + (message_len), (language), (language_len), \ + &(session)->abstract) +#define LIBSSH2_DISCONNECT(session, reason, message, message_len, \ + language, language_len) \ + session->ssh_msg_disconnect((session), (reason), (message), \ + (message_len), (language), (language_len), \ + &(session)->abstract) + +#define LIBSSH2_MACERROR(session, data, datalen) \ + session->macerror((session), (data), (datalen), &(session)->abstract) +#define LIBSSH2_X11_OPEN(channel, shost, sport) \ + channel->session->x11(((channel)->session), (channel), \ + (shost), (sport), (&(channel)->session->abstract)) + +#define LIBSSH2_CHANNEL_CLOSE(session, channel) \ + channel->close_cb((session), &(session)->abstract, \ + (channel), &(channel)->abstract) + +#define LIBSSH2_SEND_FD(session, fd, buffer, length, flags) \ + session->send(fd, buffer, length, flags, &session->abstract) +#define LIBSSH2_RECV_FD(session, fd, buffer, length, flags) \ + session->recv(fd, buffer, length, flags, &session->abstract) + +#define LIBSSH2_SEND(session, buffer, length, flags) \ + LIBSSH2_SEND_FD(session, session->socket_fd, buffer, length, flags) +#define LIBSSH2_RECV(session, buffer, length, flags) \ + LIBSSH2_RECV_FD(session, session->socket_fd, buffer, length, flags) + +typedef struct _LIBSSH2_KEX_METHOD LIBSSH2_KEX_METHOD; +typedef struct _LIBSSH2_HOSTKEY_METHOD LIBSSH2_HOSTKEY_METHOD; +typedef struct _LIBSSH2_CRYPT_METHOD LIBSSH2_CRYPT_METHOD; +typedef struct _LIBSSH2_COMP_METHOD LIBSSH2_COMP_METHOD; + +typedef struct _LIBSSH2_PACKET LIBSSH2_PACKET; + +typedef enum +{ + libssh2_NB_state_idle = 0, + libssh2_NB_state_allocated, + libssh2_NB_state_created, + libssh2_NB_state_sent, + libssh2_NB_state_sent1, + libssh2_NB_state_sent2, + libssh2_NB_state_sent3, + libssh2_NB_state_sent4, + libssh2_NB_state_sent5, + libssh2_NB_state_sent6, + libssh2_NB_state_sent7, + libssh2_NB_state_jump1, + libssh2_NB_state_jump2, + libssh2_NB_state_jump3, + libssh2_NB_state_jump4, + libssh2_NB_state_jump5 +} libssh2_nonblocking_states; + +typedef struct packet_require_state_t +{ + libssh2_nonblocking_states state; + time_t start; +} packet_require_state_t; + +typedef struct packet_requirev_state_t +{ + time_t start; +} packet_requirev_state_t; + +typedef struct kmdhgGPsha1kex_state_t +{ + libssh2_nonblocking_states state; + unsigned char *e_packet; + unsigned char *s_packet; + unsigned char *tmp; + unsigned char h_sig_comp[SHA_DIGEST_LENGTH]; + unsigned char c; + size_t e_packet_len; + size_t s_packet_len; + size_t tmp_len; + _libssh2_bn_ctx *ctx; + _libssh2_bn *x; + _libssh2_bn *e; + _libssh2_bn *f; + _libssh2_bn *k; + unsigned char *s; + unsigned char *f_value; + unsigned char *k_value; + unsigned char *h_sig; + size_t f_value_len; + size_t k_value_len; + size_t h_sig_len; + libssh2_sha1_ctx exchange_hash; + packet_require_state_t req_state; + libssh2_nonblocking_states burn_state; +} kmdhgGPsha1kex_state_t; + +typedef struct key_exchange_state_low_t +{ + libssh2_nonblocking_states state; + packet_require_state_t req_state; + kmdhgGPsha1kex_state_t exchange_state; + _libssh2_bn *p; /* SSH2 defined value (p_value) */ + _libssh2_bn *g; /* SSH2 defined value (2) */ + unsigned char request[13]; + unsigned char *data; + size_t request_len; + size_t data_len; +} key_exchange_state_low_t; + +typedef struct key_exchange_state_t +{ + libssh2_nonblocking_states state; + packet_require_state_t req_state; + key_exchange_state_low_t key_state_low; + unsigned char *data; + size_t data_len; + unsigned char *oldlocal; + size_t oldlocal_len; +} key_exchange_state_t; + +#define FwdNotReq "Forward not requested" + +typedef struct packet_queue_listener_state_t +{ + libssh2_nonblocking_states state; + unsigned char packet[17 + (sizeof(FwdNotReq) - 1)]; + unsigned char *host; + unsigned char *shost; + uint32_t sender_channel; + uint32_t initial_window_size; + uint32_t packet_size; + uint32_t port; + uint32_t sport; + uint32_t host_len; + uint32_t shost_len; + LIBSSH2_CHANNEL *channel; +} packet_queue_listener_state_t; + +#define X11FwdUnAvil "X11 Forward Unavailable" + +typedef struct packet_x11_open_state_t +{ + libssh2_nonblocking_states state; + unsigned char packet[17 + (sizeof(X11FwdUnAvil) - 1)]; + unsigned char *shost; + uint32_t sender_channel; + uint32_t initial_window_size; + uint32_t packet_size; + uint32_t sport; + uint32_t shost_len; + LIBSSH2_CHANNEL *channel; +} packet_x11_open_state_t; + +struct _LIBSSH2_PACKET +{ + struct list_node node; /* linked list header */ + + /* the raw unencrypted payload */ + unsigned char *data; + size_t data_len; + + /* Where to start reading data from, + * used for channel data that's been partially consumed */ + size_t data_head; +}; + +typedef struct _libssh2_channel_data +{ + /* Identifier */ + uint32_t id; + + /* Limits and restrictions */ + uint32_t window_size_initial, window_size, packet_size; + + /* Set to 1 when CHANNEL_CLOSE / CHANNEL_EOF sent/received */ + char close, eof, extended_data_ignore_mode; +} libssh2_channel_data; + +struct _LIBSSH2_CHANNEL +{ + struct list_node node; + + unsigned char *channel_type; + unsigned channel_type_len; + + /* channel's program exit status */ + int exit_status; + + /* channel's program exit signal (without the SIG prefix) */ + char *exit_signal; + + libssh2_channel_data local, remote; + /* Amount of bytes to be refunded to receive window (but not yet sent) */ + uint32_t adjust_queue; + + LIBSSH2_SESSION *session; + + void *abstract; + LIBSSH2_CHANNEL_CLOSE_FUNC((*close_cb)); + + /* State variables used in libssh2_channel_setenv_ex() */ + libssh2_nonblocking_states setenv_state; + unsigned char *setenv_packet; + size_t setenv_packet_len; + unsigned char setenv_local_channel[4]; + packet_requirev_state_t setenv_packet_requirev_state; + + /* State variables used in libssh2_channel_request_pty_ex() + libssh2_channel_request_pty_size_ex() */ + libssh2_nonblocking_states reqPTY_state; + unsigned char reqPTY_packet[41 + 256]; + size_t reqPTY_packet_len; + unsigned char reqPTY_local_channel[4]; + packet_requirev_state_t reqPTY_packet_requirev_state; + + /* State variables used in libssh2_channel_x11_req_ex() */ + libssh2_nonblocking_states reqX11_state; + unsigned char *reqX11_packet; + size_t reqX11_packet_len; + unsigned char reqX11_local_channel[4]; + packet_requirev_state_t reqX11_packet_requirev_state; + + /* State variables used in libssh2_channel_process_startup() */ + libssh2_nonblocking_states process_state; + unsigned char *process_packet; + size_t process_packet_len; + unsigned char process_local_channel[4]; + packet_requirev_state_t process_packet_requirev_state; + + /* State variables used in libssh2_channel_flush_ex() */ + libssh2_nonblocking_states flush_state; + size_t flush_refund_bytes; + size_t flush_flush_bytes; + + /* State variables used in libssh2_channel_receive_window_adjust() */ + libssh2_nonblocking_states adjust_state; + unsigned char adjust_adjust[9]; /* packet_type(1) + channel(4) + adjustment(4) */ + + /* State variables used in libssh2_channel_read_ex() */ + libssh2_nonblocking_states read_state; + + uint32_t read_local_id; + + /* State variables used in libssh2_channel_write_ex() */ + libssh2_nonblocking_states write_state; + unsigned char write_packet[13]; + size_t write_packet_len; + size_t write_bufwrite; + + /* State variables used in libssh2_channel_close() */ + libssh2_nonblocking_states close_state; + unsigned char close_packet[5]; + + /* State variables used in libssh2_channel_wait_closedeof() */ + libssh2_nonblocking_states wait_eof_state; + + /* State variables used in libssh2_channel_wait_closed() */ + libssh2_nonblocking_states wait_closed_state; + + /* State variables used in libssh2_channel_free() */ + libssh2_nonblocking_states free_state; + + /* State variables used in libssh2_channel_handle_extended_data2() */ + libssh2_nonblocking_states extData2_state; + +}; + +struct _LIBSSH2_LISTENER +{ + struct list_node node; /* linked list header */ + + LIBSSH2_SESSION *session; + + char *host; + int port; + + /* a list of CHANNELs for this listener */ + struct list_head queue; + + int queue_size; + int queue_maxsize; + + /* State variables used in libssh2_channel_forward_cancel() */ + libssh2_nonblocking_states chanFwdCncl_state; + unsigned char *chanFwdCncl_data; + size_t chanFwdCncl_data_len; +}; + +typedef struct _libssh2_endpoint_data +{ + unsigned char *banner; + + unsigned char *kexinit; + size_t kexinit_len; + + const LIBSSH2_CRYPT_METHOD *crypt; + void *crypt_abstract; + + const struct _LIBSSH2_MAC_METHOD *mac; + uint32_t seqno; + void *mac_abstract; + + const LIBSSH2_COMP_METHOD *comp; + void *comp_abstract; + + /* Method Preferences -- NULL yields "load order" */ + char *crypt_prefs; + char *mac_prefs; + char *comp_prefs; + char *lang_prefs; +} libssh2_endpoint_data; + +#define PACKETBUFSIZE (1024*16) + +struct transportpacket +{ + /* ------------- for incoming data --------------- */ + unsigned char buf[PACKETBUFSIZE]; + unsigned char init[5]; /* first 5 bytes of the incoming data stream, + still encrypted */ + size_t writeidx; /* at what array index we do the next write into + the buffer */ + size_t readidx; /* at what array index we do the next read from + the buffer */ + uint32_t packet_length; /* the most recent packet_length as read from the + network data */ + uint8_t padding_length; /* the most recent padding_length as read from the + network data */ + size_t data_num; /* How much of the total package that has been read + so far. */ + size_t total_num; /* How much a total package is supposed to be, in + number of bytes. A full package is + packet_length + padding_length + 4 + + mac_length. */ + unsigned char *payload; /* this is a pointer to a LIBSSH2_ALLOC() + area to which we write decrypted data */ + unsigned char *wptr; /* write pointer into the payload to where we + are currently writing decrypted data */ + + /* ------------- for outgoing data --------------- */ + unsigned char outbuf[MAX_SSH_PACKET_LEN]; /* area for the outgoing data */ + + int ototal_num; /* size of outbuf in number of bytes */ + const unsigned char *odata; /* original pointer to the data */ + size_t olen; /* original size of the data we stored in + outbuf */ + size_t osent; /* number of bytes already sent */ +}; + +struct _LIBSSH2_PUBLICKEY +{ + LIBSSH2_CHANNEL *channel; + uint32_t version; + + /* State variables used in libssh2_publickey_packet_receive() */ + libssh2_nonblocking_states receive_state; + unsigned char *receive_packet; + size_t receive_packet_len; + + /* State variables used in libssh2_publickey_add_ex() */ + libssh2_nonblocking_states add_state; + unsigned char *add_packet; + unsigned char *add_s; + + /* State variables used in libssh2_publickey_remove_ex() */ + libssh2_nonblocking_states remove_state; + unsigned char *remove_packet; + unsigned char *remove_s; + + /* State variables used in libssh2_publickey_list_fetch() */ + libssh2_nonblocking_states listFetch_state; + unsigned char *listFetch_s; + unsigned char listFetch_buffer[12]; + unsigned char *listFetch_data; + size_t listFetch_data_len; +}; + +#define LIBSSH2_SCP_RESPONSE_BUFLEN 256 + +struct flags { + int sigpipe; /* LIBSSH2_FLAG_SIGPIPE */ + int compress; /* LIBSSH2_FLAG_COMPRESS */ +}; + +struct _LIBSSH2_SESSION +{ + /* Memory management callbacks */ + void *abstract; + LIBSSH2_ALLOC_FUNC((*alloc)); + LIBSSH2_REALLOC_FUNC((*realloc)); + LIBSSH2_FREE_FUNC((*free)); + + /* Other callbacks */ + LIBSSH2_IGNORE_FUNC((*ssh_msg_ignore)); + LIBSSH2_DEBUG_FUNC((*ssh_msg_debug)); + LIBSSH2_DISCONNECT_FUNC((*ssh_msg_disconnect)); + LIBSSH2_MACERROR_FUNC((*macerror)); + LIBSSH2_X11_OPEN_FUNC((*x11)); + LIBSSH2_SEND_FUNC((*send)); + LIBSSH2_RECV_FUNC((*recv)); + + /* Method preferences -- NULL yields "load order" */ + char *kex_prefs; + char *hostkey_prefs; + + int state; + + /* Flag options */ + struct flags flag; + + /* Agreed Key Exchange Method */ + const LIBSSH2_KEX_METHOD *kex; + int burn_optimistic_kexinit:1; + + unsigned char *session_id; + uint32_t session_id_len; + + /* this is set to TRUE if a blocking API behavior is requested */ + int api_block_mode; + + /* Timeout used when blocking API behavior is active */ + long api_timeout; + + /* Server's public key */ + const LIBSSH2_HOSTKEY_METHOD *hostkey; + void *server_hostkey_abstract; + + /* Either set with libssh2_session_hostkey() (for server mode) + * Or read from server in (eg) KEXDH_INIT (for client mode) + */ + unsigned char *server_hostkey; + uint32_t server_hostkey_len; +#if LIBSSH2_MD5 + unsigned char server_hostkey_md5[MD5_DIGEST_LENGTH]; +#endif /* ! LIBSSH2_MD5 */ + unsigned char server_hostkey_sha1[SHA_DIGEST_LENGTH]; + + /* (remote as source of data -- packet_read ) */ + libssh2_endpoint_data remote; + + /* (local as source of data -- packet_write ) */ + libssh2_endpoint_data local; + + /* Inbound Data linked list -- Sometimes the packet that comes in isn't the + packet we're ready for */ + struct list_head packets; + + /* Active connection channels */ + struct list_head channels; + + uint32_t next_channel; + + struct list_head listeners; /* list of LIBSSH2_LISTENER structs */ + + /* Actual I/O socket */ + libssh2_socket_t socket_fd; + int socket_state; + int socket_block_directions; + int socket_prev_blockstate; /* stores the state of the socket blockiness + when libssh2_session_startup() is called */ + + /* Error tracking */ + const char *err_msg; + int err_code; + + /* struct members for packet-level reading */ + struct transportpacket packet; +#ifdef LIBSSH2DEBUG + int showmask; /* what debug/trace messages to display */ + libssh2_trace_handler_func tracehandler; /* callback to display trace messages */ + void* tracehandler_context; /* context for the trace handler */ +#endif + + /* State variables used in libssh2_banner_send() */ + libssh2_nonblocking_states banner_TxRx_state; + char banner_TxRx_banner[256]; + ssize_t banner_TxRx_total_send; + + /* State variables used in libssh2_kexinit() */ + libssh2_nonblocking_states kexinit_state; + unsigned char *kexinit_data; + size_t kexinit_data_len; + + /* State variables used in libssh2_session_startup() */ + libssh2_nonblocking_states startup_state; + unsigned char *startup_data; + size_t startup_data_len; + unsigned char startup_service[sizeof("ssh-userauth") + 5 - 1]; + size_t startup_service_length; + packet_require_state_t startup_req_state; + key_exchange_state_t startup_key_state; + + /* State variables used in libssh2_session_free() */ + libssh2_nonblocking_states free_state; + + /* State variables used in libssh2_session_disconnect_ex() */ + libssh2_nonblocking_states disconnect_state; + unsigned char disconnect_data[256 + 13]; + size_t disconnect_data_len; + + /* State variables used in libssh2_packet_read() */ + libssh2_nonblocking_states readPack_state; + int readPack_encrypted; + + /* State variables used in libssh2_userauth_list() */ + libssh2_nonblocking_states userauth_list_state; + unsigned char *userauth_list_data; + size_t userauth_list_data_len; + packet_requirev_state_t userauth_list_packet_requirev_state; + + /* State variables used in libssh2_userauth_password_ex() */ + libssh2_nonblocking_states userauth_pswd_state; + unsigned char *userauth_pswd_data; + unsigned char userauth_pswd_data0; + size_t userauth_pswd_data_len; + char *userauth_pswd_newpw; + int userauth_pswd_newpw_len; + packet_requirev_state_t userauth_pswd_packet_requirev_state; + + /* State variables used in libssh2_userauth_hostbased_fromfile_ex() */ + libssh2_nonblocking_states userauth_host_state; + unsigned char *userauth_host_data; + size_t userauth_host_data_len; + unsigned char *userauth_host_packet; + size_t userauth_host_packet_len; + unsigned char *userauth_host_method; + size_t userauth_host_method_len; + unsigned char *userauth_host_s; + packet_requirev_state_t userauth_host_packet_requirev_state; + + /* State variables used in libssh2_userauth_publickey_fromfile_ex() */ + libssh2_nonblocking_states userauth_pblc_state; + unsigned char *userauth_pblc_data; + size_t userauth_pblc_data_len; + unsigned char *userauth_pblc_packet; + size_t userauth_pblc_packet_len; + unsigned char *userauth_pblc_method; + size_t userauth_pblc_method_len; + unsigned char *userauth_pblc_s; + unsigned char *userauth_pblc_b; + packet_requirev_state_t userauth_pblc_packet_requirev_state; + + /* State variables used in libssh2_userauth_keyboard_interactive_ex() */ + libssh2_nonblocking_states userauth_kybd_state; + unsigned char *userauth_kybd_data; + size_t userauth_kybd_data_len; + unsigned char *userauth_kybd_packet; + size_t userauth_kybd_packet_len; + unsigned int userauth_kybd_auth_name_len; + char *userauth_kybd_auth_name; + unsigned userauth_kybd_auth_instruction_len; + char *userauth_kybd_auth_instruction; + unsigned int userauth_kybd_num_prompts; + int userauth_kybd_auth_failure; + LIBSSH2_USERAUTH_KBDINT_PROMPT *userauth_kybd_prompts; + LIBSSH2_USERAUTH_KBDINT_RESPONSE *userauth_kybd_responses; + packet_requirev_state_t userauth_kybd_packet_requirev_state; + + /* State variables used in libssh2_channel_open_ex() */ + libssh2_nonblocking_states open_state; + packet_requirev_state_t open_packet_requirev_state; + LIBSSH2_CHANNEL *open_channel; + unsigned char *open_packet; + size_t open_packet_len; + unsigned char *open_data; + size_t open_data_len; + uint32_t open_local_channel; + + /* State variables used in libssh2_channel_direct_tcpip_ex() */ + libssh2_nonblocking_states direct_state; + unsigned char *direct_message; + size_t direct_host_len; + size_t direct_shost_len; + size_t direct_message_len; + + /* State variables used in libssh2_channel_forward_listen_ex() */ + libssh2_nonblocking_states fwdLstn_state; + unsigned char *fwdLstn_packet; + uint32_t fwdLstn_host_len; + uint32_t fwdLstn_packet_len; + packet_requirev_state_t fwdLstn_packet_requirev_state; + + /* State variables used in libssh2_publickey_init() */ + libssh2_nonblocking_states pkeyInit_state; + LIBSSH2_PUBLICKEY *pkeyInit_pkey; + LIBSSH2_CHANNEL *pkeyInit_channel; + unsigned char *pkeyInit_data; + size_t pkeyInit_data_len; + /* 19 = packet_len(4) + version_len(4) + "version"(7) + version_num(4) */ + unsigned char pkeyInit_buffer[19]; + size_t pkeyInit_buffer_sent; /* how much of buffer that has been sent */ + + /* State variables used in libssh2_packet_add() */ + libssh2_nonblocking_states packAdd_state; + LIBSSH2_CHANNEL *packAdd_channelp; /* keeper of the channel during EAGAIN + states */ + packet_queue_listener_state_t packAdd_Qlstn_state; + packet_x11_open_state_t packAdd_x11open_state; + + /* State variables used in fullpacket() */ + libssh2_nonblocking_states fullpacket_state; + int fullpacket_macstate; + size_t fullpacket_payload_len; + int fullpacket_packet_type; + + /* State variables used in libssh2_sftp_init() */ + libssh2_nonblocking_states sftpInit_state; + LIBSSH2_SFTP *sftpInit_sftp; + LIBSSH2_CHANNEL *sftpInit_channel; + unsigned char sftpInit_buffer[9]; /* sftp_header(5){excludes request_id} + + version_id(4) */ + int sftpInit_sent; /* number of bytes from the buffer that have been + sent */ + + /* State variables used in libssh2_scp_recv() */ + libssh2_nonblocking_states scpRecv_state; + unsigned char *scpRecv_command; + size_t scpRecv_command_len; + unsigned char scpRecv_response[LIBSSH2_SCP_RESPONSE_BUFLEN]; + size_t scpRecv_response_len; + long scpRecv_mode; +#if defined(HAVE_LONGLONG) && defined(HAVE_STRTOLL) + /* we have the type and we can parse such numbers */ + long long scpRecv_size; +#define scpsize_strtol strtoll +#else + long scpRecv_size; +#define scpsize_strtol strtol +#endif + long scpRecv_mtime; + long scpRecv_atime; + LIBSSH2_CHANNEL *scpRecv_channel; + + /* State variables used in libssh2_scp_send_ex() */ + libssh2_nonblocking_states scpSend_state; + unsigned char *scpSend_command; + size_t scpSend_command_len; + unsigned char scpSend_response[LIBSSH2_SCP_RESPONSE_BUFLEN]; + size_t scpSend_response_len; + LIBSSH2_CHANNEL *scpSend_channel; + + /* Keepalive variables used by keepalive.c. */ + int keepalive_interval; + int keepalive_want_reply; + time_t keepalive_last_sent; +}; + +/* session.state bits */ +#define LIBSSH2_STATE_EXCHANGING_KEYS 0x00000001 +#define LIBSSH2_STATE_NEWKEYS 0x00000002 +#define LIBSSH2_STATE_AUTHENTICATED 0x00000004 +#define LIBSSH2_STATE_KEX_ACTIVE 0x00000008 + +/* session.flag helpers */ +#ifdef MSG_NOSIGNAL +#define LIBSSH2_SOCKET_SEND_FLAGS(session) \ + (((session)->flag.sigpipe) ? 0 : MSG_NOSIGNAL) +#define LIBSSH2_SOCKET_RECV_FLAGS(session) \ + (((session)->flag.sigpipe) ? 0 : MSG_NOSIGNAL) +#else +/* If MSG_NOSIGNAL isn't defined we're SOL on blocking SIGPIPE */ +#define LIBSSH2_SOCKET_SEND_FLAGS(session) 0 +#define LIBSSH2_SOCKET_RECV_FLAGS(session) 0 +#endif + +/* --------- */ + +/* libssh2 extensible ssh api, ultimately I'd like to allow loading additional + methods via .so/.dll */ + +struct _LIBSSH2_KEX_METHOD +{ + const char *name; + + /* Key exchange, populates session->* and returns 0 on success, non-0 on error */ + int (*exchange_keys) (LIBSSH2_SESSION * session, + key_exchange_state_low_t * key_state); + + long flags; +}; + +struct _LIBSSH2_HOSTKEY_METHOD +{ + const char *name; + unsigned long hash_len; + + int (*init) (LIBSSH2_SESSION * session, const unsigned char *hostkey_data, + size_t hostkey_data_len, void **abstract); + int (*initPEM) (LIBSSH2_SESSION * session, const char *privkeyfile, + unsigned const char *passphrase, void **abstract); + int (*sig_verify) (LIBSSH2_SESSION * session, const unsigned char *sig, + size_t sig_len, const unsigned char *m, + size_t m_len, void **abstract); + int (*signv) (LIBSSH2_SESSION * session, unsigned char **signature, + size_t *signature_len, int veccount, + const struct iovec datavec[], void **abstract); + int (*encrypt) (LIBSSH2_SESSION * session, unsigned char **dst, + size_t *dst_len, const unsigned char *src, + size_t src_len, void **abstract); + int (*dtor) (LIBSSH2_SESSION * session, void **abstract); +}; + +struct _LIBSSH2_CRYPT_METHOD +{ + const char *name; + + int blocksize; + + /* iv and key sizes (-1 for variable length) */ + int iv_len; + int secret_len; + + long flags; + + int (*init) (LIBSSH2_SESSION * session, + const LIBSSH2_CRYPT_METHOD * method, unsigned char *iv, + int *free_iv, unsigned char *secret, int *free_secret, + int encrypt, void **abstract); + int (*crypt) (LIBSSH2_SESSION * session, unsigned char *block, + void **abstract); + int (*dtor) (LIBSSH2_SESSION * session, void **abstract); + + _libssh2_cipher_type(algo); +}; + +struct _LIBSSH2_COMP_METHOD +{ + const char *name; + int compress; /* 1 if it does compress, 0 if it doesn't */ + int (*init) (LIBSSH2_SESSION *session, int compress, void **abstract); + int (*comp) (LIBSSH2_SESSION *session, + unsigned char *dest, + size_t *dest_len, + const unsigned char *src, + size_t src_len, + void **abstract); + int (*decomp) (LIBSSH2_SESSION *session, + unsigned char **dest, + size_t *dest_len, + size_t payload_limit, + const unsigned char *src, + size_t src_len, + void **abstract); + int (*dtor) (LIBSSH2_SESSION * session, int compress, void **abstract); +}; + +#ifdef LIBSSH2DEBUG +void _libssh2_debug(LIBSSH2_SESSION * session, int context, const char *format, + ...); +#else +#if (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || defined(__GNUC__) +/* C99 supported and also by older GCC */ +#define _libssh2_debug(x,y,z,...) do {} while (0) +#else +/* no gcc and not C99, do static and hopefully inline */ +static inline void +_libssh2_debug(LIBSSH2_SESSION * session, int context, const char *format, ...) +{ +} +#endif +#endif + +#define LIBSSH2_SOCKET_UNKNOWN 1 +#define LIBSSH2_SOCKET_CONNECTED 0 +#define LIBSSH2_SOCKET_DISCONNECTED -1 + +/* Initial packet state, prior to MAC check */ +#define LIBSSH2_MAC_UNCONFIRMED 1 +/* When MAC type is "none" (proto initiation phase) all packets are deemed "confirmed" */ +#define LIBSSH2_MAC_CONFIRMED 0 +/* Something very bad is going on */ +#define LIBSSH2_MAC_INVALID -1 + +/* SSH Packet Types -- Defined by internet draft */ +/* Transport Layer */ +#define SSH_MSG_DISCONNECT 1 +#define SSH_MSG_IGNORE 2 +#define SSH_MSG_UNIMPLEMENTED 3 +#define SSH_MSG_DEBUG 4 +#define SSH_MSG_SERVICE_REQUEST 5 +#define SSH_MSG_SERVICE_ACCEPT 6 + +#define SSH_MSG_KEXINIT 20 +#define SSH_MSG_NEWKEYS 21 + +/* diffie-hellman-group1-sha1 */ +#define SSH_MSG_KEXDH_INIT 30 +#define SSH_MSG_KEXDH_REPLY 31 + +/* diffie-hellman-group-exchange-sha1 */ +#define SSH_MSG_KEX_DH_GEX_REQUEST_OLD 30 +#define SSH_MSG_KEX_DH_GEX_REQUEST 34 +#define SSH_MSG_KEX_DH_GEX_GROUP 31 +#define SSH_MSG_KEX_DH_GEX_INIT 32 +#define SSH_MSG_KEX_DH_GEX_REPLY 33 + +/* User Authentication */ +#define SSH_MSG_USERAUTH_REQUEST 50 +#define SSH_MSG_USERAUTH_FAILURE 51 +#define SSH_MSG_USERAUTH_SUCCESS 52 +#define SSH_MSG_USERAUTH_BANNER 53 + +/* "public key" method */ +#define SSH_MSG_USERAUTH_PK_OK 60 +/* "password" method */ +#define SSH_MSG_USERAUTH_PASSWD_CHANGEREQ 60 +/* "keyboard-interactive" method */ +#define SSH_MSG_USERAUTH_INFO_REQUEST 60 +#define SSH_MSG_USERAUTH_INFO_RESPONSE 61 + +/* Channels */ +#define SSH_MSG_GLOBAL_REQUEST 80 +#define SSH_MSG_REQUEST_SUCCESS 81 +#define SSH_MSG_REQUEST_FAILURE 82 + +#define SSH_MSG_CHANNEL_OPEN 90 +#define SSH_MSG_CHANNEL_OPEN_CONFIRMATION 91 +#define SSH_MSG_CHANNEL_OPEN_FAILURE 92 +#define SSH_MSG_CHANNEL_WINDOW_ADJUST 93 +#define SSH_MSG_CHANNEL_DATA 94 +#define SSH_MSG_CHANNEL_EXTENDED_DATA 95 +#define SSH_MSG_CHANNEL_EOF 96 +#define SSH_MSG_CHANNEL_CLOSE 97 +#define SSH_MSG_CHANNEL_REQUEST 98 +#define SSH_MSG_CHANNEL_SUCCESS 99 +#define SSH_MSG_CHANNEL_FAILURE 100 + +/* Error codes returned in SSH_MSG_CHANNEL_OPEN_FAILURE message + (see RFC4254) */ +#define SSH_OPEN_ADMINISTRATIVELY_PROHIBITED 1 +#define SSH_OPEN_CONNECT_FAILED 2 +#define SSH_OPEN_UNKNOWN_CHANNELTYPE 3 +#define SSH_OPEN_RESOURCE_SHORTAGE 4 + +ssize_t _libssh2_recv(libssh2_socket_t socket, void *buffer, + size_t length, int flags, void **abstract); +ssize_t _libssh2_send(libssh2_socket_t socket, const void *buffer, + size_t length, int flags, void **abstract); + +#define LIBSSH2_READ_TIMEOUT 60 /* generic timeout in seconds used when + waiting for more data to arrive */ + + +int _libssh2_kex_exchange(LIBSSH2_SESSION * session, int reexchange, + key_exchange_state_t * state); + +/* Let crypt.c/hostkey.c expose their method structs */ +const LIBSSH2_CRYPT_METHOD **libssh2_crypt_methods(void); +const LIBSSH2_HOSTKEY_METHOD **libssh2_hostkey_methods(void); + +/* pem.c */ +int _libssh2_pem_parse(LIBSSH2_SESSION * session, + const char *headerbegin, + const char *headerend, + FILE * fp, unsigned char **data, unsigned int *datalen); +int _libssh2_pem_decode_sequence(unsigned char **data, unsigned int *datalen); +int _libssh2_pem_decode_integer(unsigned char **data, unsigned int *datalen, + unsigned char **i, unsigned int *ilen); + +/* global.c */ +void _libssh2_init_if_needed (void); + + +#define ARRAY_SIZE(a) (sizeof ((a)) / sizeof ((a)[0])) + +/* define to output the libssh2_int64_t type in a *printf() */ +#if defined( __BORLANDC__ ) || defined( _MSC_VER ) || defined( __MINGW32__ ) +#define LIBSSH2_INT64_T_FORMAT "I64" +#else +#define LIBSSH2_INT64_T_FORMAT "ll" +#endif + +#endif /* LIBSSH2_H */ diff --git a/vendor/libssh2-1.4.2/src/mac.c b/vendor/libssh2-1.4.2/src/mac.c new file mode 100644 index 0000000..76894fc --- /dev/null +++ b/vendor/libssh2-1.4.2/src/mac.c @@ -0,0 +1,314 @@ +/* Copyright (c) 2004-2007, Sara Golemon + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" +#include "mac.h" + +#ifdef LIBSSH2_MAC_NONE +/* mac_none_MAC + * Minimalist MAC: No MAC + */ +static int +mac_none_MAC(LIBSSH2_SESSION * session, unsigned char *buf, + uint32_t seqno, const unsigned char *packet, + uint32_t packet_len, const unsigned char *addtl, + uint32_t addtl_len, void **abstract) +{ + return 0; +} + + + + +static LIBSSH2_MAC_METHOD mac_method_none = { + "none", + 0, + 0, + NULL, + mac_none_MAC, + NULL +}; +#endif /* LIBSSH2_MAC_NONE */ + +/* mac_method_common_init + * Initialize simple mac methods + */ +static int +mac_method_common_init(LIBSSH2_SESSION * session, unsigned char *key, + int *free_key, void **abstract) +{ + *abstract = key; + *free_key = 0; + (void) session; + + return 0; +} + + + +/* mac_method_common_dtor + * Cleanup simple mac methods + */ +static int +mac_method_common_dtor(LIBSSH2_SESSION * session, void **abstract) +{ + if (*abstract) { + LIBSSH2_FREE(session, *abstract); + } + *abstract = NULL; + + return 0; +} + + + +/* mac_method_hmac_sha1_hash + * Calculate hash using full sha1 value + */ +static int +mac_method_hmac_sha1_hash(LIBSSH2_SESSION * session, + unsigned char *buf, uint32_t seqno, + const unsigned char *packet, + uint32_t packet_len, + const unsigned char *addtl, + uint32_t addtl_len, void **abstract) +{ + libssh2_hmac_ctx ctx; + unsigned char seqno_buf[4]; + (void) session; + + _libssh2_htonu32(seqno_buf, seqno); + + libssh2_hmac_sha1_init(&ctx, *abstract, 20); + libssh2_hmac_update(ctx, seqno_buf, 4); + libssh2_hmac_update(ctx, packet, packet_len); + if (addtl && addtl_len) { + libssh2_hmac_update(ctx, addtl, addtl_len); + } + libssh2_hmac_final(ctx, buf); + libssh2_hmac_cleanup(&ctx); + + return 0; +} + + + +static const LIBSSH2_MAC_METHOD mac_method_hmac_sha1 = { + "hmac-sha1", + 20, + 20, + mac_method_common_init, + mac_method_hmac_sha1_hash, + mac_method_common_dtor, +}; + +/* mac_method_hmac_sha1_96_hash + * Calculate hash using first 96 bits of sha1 value + */ +static int +mac_method_hmac_sha1_96_hash(LIBSSH2_SESSION * session, + unsigned char *buf, uint32_t seqno, + const unsigned char *packet, + uint32_t packet_len, + const unsigned char *addtl, + uint32_t addtl_len, void **abstract) +{ + unsigned char temp[SHA_DIGEST_LENGTH]; + + mac_method_hmac_sha1_hash(session, temp, seqno, packet, packet_len, + addtl, addtl_len, abstract); + memcpy(buf, (char *) temp, 96 / 8); + + return 0; +} + + + +static const LIBSSH2_MAC_METHOD mac_method_hmac_sha1_96 = { + "hmac-sha1-96", + 12, + 20, + mac_method_common_init, + mac_method_hmac_sha1_96_hash, + mac_method_common_dtor, +}; + +#if LIBSSH2_MD5 +/* mac_method_hmac_md5_hash + * Calculate hash using full md5 value + */ +static int +mac_method_hmac_md5_hash(LIBSSH2_SESSION * session, unsigned char *buf, + uint32_t seqno, + const unsigned char *packet, + uint32_t packet_len, + const unsigned char *addtl, + uint32_t addtl_len, void **abstract) +{ + libssh2_hmac_ctx ctx; + unsigned char seqno_buf[4]; + (void) session; + + _libssh2_htonu32(seqno_buf, seqno); + + libssh2_hmac_md5_init(&ctx, *abstract, 16); + libssh2_hmac_update(ctx, seqno_buf, 4); + libssh2_hmac_update(ctx, packet, packet_len); + if (addtl && addtl_len) { + libssh2_hmac_update(ctx, addtl, addtl_len); + } + libssh2_hmac_final(ctx, buf); + libssh2_hmac_cleanup(&ctx); + + return 0; +} + + + +static const LIBSSH2_MAC_METHOD mac_method_hmac_md5 = { + "hmac-md5", + 16, + 16, + mac_method_common_init, + mac_method_hmac_md5_hash, + mac_method_common_dtor, +}; + +/* mac_method_hmac_md5_96_hash + * Calculate hash using first 96 bits of md5 value + */ +static int +mac_method_hmac_md5_96_hash(LIBSSH2_SESSION * session, + unsigned char *buf, uint32_t seqno, + const unsigned char *packet, + uint32_t packet_len, + const unsigned char *addtl, + uint32_t addtl_len, void **abstract) +{ + unsigned char temp[MD5_DIGEST_LENGTH]; + mac_method_hmac_md5_hash(session, temp, seqno, packet, packet_len, + addtl, addtl_len, abstract); + memcpy(buf, (char *) temp, 96 / 8); + return 0; +} + + + +static const LIBSSH2_MAC_METHOD mac_method_hmac_md5_96 = { + "hmac-md5-96", + 12, + 16, + mac_method_common_init, + mac_method_hmac_md5_96_hash, + mac_method_common_dtor, +}; +#endif /* LIBSSH2_MD5 */ + +#if LIBSSH2_HMAC_RIPEMD +/* mac_method_hmac_ripemd160_hash + * Calculate hash using ripemd160 value + */ +static int +mac_method_hmac_ripemd160_hash(LIBSSH2_SESSION * session, + unsigned char *buf, uint32_t seqno, + const unsigned char *packet, + uint32_t packet_len, + const unsigned char *addtl, + uint32_t addtl_len, + void **abstract) +{ + libssh2_hmac_ctx ctx; + unsigned char seqno_buf[4]; + (void) session; + + _libssh2_htonu32(seqno_buf, seqno); + + libssh2_hmac_ripemd160_init(&ctx, *abstract, 20); + libssh2_hmac_update(ctx, seqno_buf, 4); + libssh2_hmac_update(ctx, packet, packet_len); + if (addtl && addtl_len) { + libssh2_hmac_update(ctx, addtl, addtl_len); + } + libssh2_hmac_final(ctx, buf); + libssh2_hmac_cleanup(&ctx); + + return 0; +} + + + +static const LIBSSH2_MAC_METHOD mac_method_hmac_ripemd160 = { + "hmac-ripemd160", + 20, + 20, + mac_method_common_init, + mac_method_hmac_ripemd160_hash, + mac_method_common_dtor, +}; + +static const LIBSSH2_MAC_METHOD mac_method_hmac_ripemd160_openssh_com = { + "hmac-ripemd160@openssh.com", + 20, + 20, + mac_method_common_init, + mac_method_hmac_ripemd160_hash, + mac_method_common_dtor, +}; +#endif /* LIBSSH2_HMAC_RIPEMD */ + +static const LIBSSH2_MAC_METHOD *mac_methods[] = { + &mac_method_hmac_sha1, + &mac_method_hmac_sha1_96, +#if LIBSSH2_MD5 + &mac_method_hmac_md5, + &mac_method_hmac_md5_96, +#endif +#if LIBSSH2_HMAC_RIPEMD + &mac_method_hmac_ripemd160, + &mac_method_hmac_ripemd160_openssh_com, +#endif /* LIBSSH2_HMAC_RIPEMD */ +#ifdef LIBSSH2_MAC_NONE + &mac_method_none, +#endif /* LIBSSH2_MAC_NONE */ + NULL +}; + +const LIBSSH2_MAC_METHOD ** +_libssh2_mac_methods(void) +{ + return mac_methods; +} diff --git a/vendor/libssh2-1.4.2/src/mac.h b/vendor/libssh2-1.4.2/src/mac.h new file mode 100644 index 0000000..66d3e61 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/mac.h @@ -0,0 +1,67 @@ +#ifndef __LIBSSH2_MAC_H +#define __LIBSSH2_MAC_H + +/* Copyright (C) 2009-2010 by Daniel Stenberg + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + */ + +#include "libssh2_priv.h" + +struct _LIBSSH2_MAC_METHOD +{ + const char *name; + + /* The length of a given MAC packet */ + int mac_len; + + /* integrity key length */ + int key_len; + + /* Message Authentication Code Hashing algo */ + int (*init) (LIBSSH2_SESSION * session, unsigned char *key, int *free_key, + void **abstract); + int (*hash) (LIBSSH2_SESSION * session, unsigned char *buf, + uint32_t seqno, const unsigned char *packet, + uint32_t packet_len, const unsigned char *addtl, + uint32_t addtl_len, void **abstract); + int (*dtor) (LIBSSH2_SESSION * session, void **abstract); +}; + +typedef struct _LIBSSH2_MAC_METHOD LIBSSH2_MAC_METHOD; + +const LIBSSH2_MAC_METHOD **_libssh2_mac_methods(void); + +#endif /* __LIBSSH2_MAC_H */ diff --git a/vendor/libssh2-1.4.2/src/misc.c b/vendor/libssh2-1.4.2/src/misc.c new file mode 100644 index 0000000..a9f423a --- /dev/null +++ b/vendor/libssh2-1.4.2/src/misc.c @@ -0,0 +1,612 @@ +/* Copyright (c) 2004-2007 Sara Golemon + * Copyright (c) 2009-2010 by Daniel Stenberg + * Copyright (c) 2010 Simon Josefsson + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" +#include "misc.h" + +#ifdef HAVE_UNISTD_H +#include +#endif + +#ifdef HAVE_SYS_TIME_H +#include +#endif + +#include +#include + +int _libssh2_error(LIBSSH2_SESSION* session, int errcode, const char* errmsg) +{ + session->err_msg = errmsg; + session->err_code = errcode; +#ifdef LIBSSH2DEBUG + if((errcode == LIBSSH2_ERROR_EAGAIN) && !session->api_block_mode) + /* if this is EAGAIN and we're in non-blocking mode, don't generate + a debug output for this */ + return errcode; + _libssh2_debug(session, LIBSSH2_TRACE_ERROR, "%d - %s", session->err_code, + session->err_msg); +#endif + + return errcode; +} + +#ifdef WIN32 +static int wsa2errno(void) +{ + switch (WSAGetLastError()) { + case WSAEWOULDBLOCK: + return EAGAIN; + + case WSAENOTSOCK: + return EBADF; + + case WSAEINTR: + return EINTR; + + default: + /* It is most important to ensure errno does not stay at EAGAIN + * when a different error occurs so just set errno to a generic + * error */ + return EIO; + } +} +#endif + +/* _libssh2_recv + * + * Replacement for the standard recv, return -errno on failure. + */ +ssize_t +_libssh2_recv(libssh2_socket_t sock, void *buffer, size_t length, int flags, void **abstract) +{ + ssize_t rc = recv(sock, buffer, length, flags); +#ifdef WIN32 + if (rc < 0 ) + return -wsa2errno(); +#elif defined(__VMS) + if (rc < 0 ){ + if ( errno == EWOULDBLOCK ) + return -EAGAIN; + else + return -errno; + } +#else + if (rc < 0 ){ + /* Sometimes the first recv() function call sets errno to ENOENT on + Solaris and HP-UX */ + if ( errno == ENOENT ) + return -EAGAIN; + else + return -errno; + } +#endif + return rc; +} + +/* _libssh2_send + * + * Replacement for the standard send, return -errno on failure. + */ +ssize_t +_libssh2_send(libssh2_socket_t sock, const void *buffer, size_t length, + int flags, void **abstract) +{ + ssize_t rc = send(sock, buffer, length, flags); +#ifdef WIN32 + if (rc < 0 ) + return -wsa2errno(); +#elif defined(__VMS) + if (rc < 0 ) { + if ( errno == EWOULDBLOCK ) + return -EAGAIN; + else + return -errno; + } +#else + if (rc < 0 ) + return -errno; +#endif + return rc; +} + +/* libssh2_ntohu32 + */ +unsigned int +_libssh2_ntohu32(const unsigned char *buf) +{ + return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; +} + + +/* _libssh2_ntohu64 + */ +libssh2_uint64_t +_libssh2_ntohu64(const unsigned char *buf) +{ + unsigned long msl, lsl; + + msl = ((libssh2_uint64_t)buf[0] << 24) | ((libssh2_uint64_t)buf[1] << 16) + | ((libssh2_uint64_t)buf[2] << 8) | (libssh2_uint64_t)buf[3]; + lsl = ((libssh2_uint64_t)buf[4] << 24) | ((libssh2_uint64_t)buf[5] << 16) + | ((libssh2_uint64_t)buf[6] << 8) | (libssh2_uint64_t)buf[7]; + + return ((libssh2_uint64_t)msl <<32) | lsl; +} + +/* _libssh2_htonu32 + */ +void +_libssh2_htonu32(unsigned char *buf, uint32_t value) +{ + buf[0] = (value >> 24) & 0xFF; + buf[1] = (value >> 16) & 0xFF; + buf[2] = (value >> 8) & 0xFF; + buf[3] = value & 0xFF; +} + +/* _libssh2_store_u32 + */ +void _libssh2_store_u32(unsigned char **buf, uint32_t value) +{ + _libssh2_htonu32(*buf, value); + *buf += sizeof(uint32_t); +} + +/* _libssh2_store_str + */ +void _libssh2_store_str(unsigned char **buf, const char *str, size_t len) +{ + _libssh2_store_u32(buf, (uint32_t)len); + if(len) { + memcpy(*buf, str, len); + *buf += len; + } +} + +/* Base64 Conversion */ + +static const char base64_table[] = +{ + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', + 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', + 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', + 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/', '\0' +}; + +static const char base64_pad = '='; + +static const short base64_reverse_table[256] = { + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63, + 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1, + -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, + -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, + 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 +}; + +/* libssh2_base64_decode + * + * Decode a base64 chunk and store it into a newly alloc'd buffer + */ +LIBSSH2_API int +libssh2_base64_decode(LIBSSH2_SESSION *session, char **data, + unsigned int *datalen, const char *src, + unsigned int src_len) +{ + unsigned char *s, *d; + short v; + int i = 0, len = 0; + + *data = LIBSSH2_ALLOC(session, (3 * src_len / 4) + 1); + d = (unsigned char *) *data; + if (!d) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for base64 decoding"); + } + + for(s = (unsigned char *) src; ((char *) s) < (src + src_len); s++) { + if ((v = base64_reverse_table[*s]) < 0) + continue; + switch (i % 4) { + case 0: + d[len] = v << 2; + break; + case 1: + d[len++] |= v >> 4; + d[len] = v << 4; + break; + case 2: + d[len++] |= v >> 2; + d[len] = v << 6; + break; + case 3: + d[len++] |= v; + break; + } + i++; + } + if ((i % 4) == 1) { + /* Invalid -- We have a byte which belongs exclusively to a partial + octet */ + LIBSSH2_FREE(session, *data); + return _libssh2_error(session, LIBSSH2_ERROR_INVAL, "Invalid base64"); + } + + *datalen = len; + return 0; +} + +/* ---- Base64 Encoding/Decoding Table --- */ +static const char table64[]= + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + +/* + * _libssh2_base64_encode() + * + * Returns the length of the newly created base64 string. The third argument + * is a pointer to an allocated area holding the base64 data. If something + * went wrong, 0 is returned. + * + */ +size_t _libssh2_base64_encode(LIBSSH2_SESSION *session, + const char *inp, size_t insize, char **outptr) +{ + unsigned char ibuf[3]; + unsigned char obuf[4]; + int i; + int inputparts; + char *output; + char *base64data; + const char *indata = inp; + + *outptr = NULL; /* set to NULL in case of failure before we reach the end */ + + if(0 == insize) + insize = strlen(indata); + + base64data = output = LIBSSH2_ALLOC(session, insize*4/3+4); + if(NULL == output) + return 0; + + while(insize > 0) { + for (i = inputparts = 0; i < 3; i++) { + if(insize > 0) { + inputparts++; + ibuf[i] = *indata; + indata++; + insize--; + } + else + ibuf[i] = 0; + } + + obuf[0] = (unsigned char) ((ibuf[0] & 0xFC) >> 2); + obuf[1] = (unsigned char) (((ibuf[0] & 0x03) << 4) | \ + ((ibuf[1] & 0xF0) >> 4)); + obuf[2] = (unsigned char) (((ibuf[1] & 0x0F) << 2) | \ + ((ibuf[2] & 0xC0) >> 6)); + obuf[3] = (unsigned char) (ibuf[2] & 0x3F); + + switch(inputparts) { + case 1: /* only one byte read */ + snprintf(output, 5, "%c%c==", + table64[obuf[0]], + table64[obuf[1]]); + break; + case 2: /* two bytes read */ + snprintf(output, 5, "%c%c%c=", + table64[obuf[0]], + table64[obuf[1]], + table64[obuf[2]]); + break; + default: + snprintf(output, 5, "%c%c%c%c", + table64[obuf[0]], + table64[obuf[1]], + table64[obuf[2]], + table64[obuf[3]] ); + break; + } + output += 4; + } + *output=0; + *outptr = base64data; /* make it return the actual data memory */ + + return strlen(base64data); /* return the length of the new data */ +} +/* ---- End of Base64 Encoding ---- */ + +LIBSSH2_API void +libssh2_free(LIBSSH2_SESSION *session, void *ptr) +{ + LIBSSH2_FREE(session, ptr); +} + +#ifdef LIBSSH2DEBUG +LIBSSH2_API int +libssh2_trace(LIBSSH2_SESSION * session, int bitmask) +{ + session->showmask = bitmask; + return 0; +} + +LIBSSH2_API int +libssh2_trace_sethandler(LIBSSH2_SESSION *session, void* handler_context, + libssh2_trace_handler_func callback) +{ + session->tracehandler = callback; + session->tracehandler_context = handler_context; + return 0; +} + +void +_libssh2_debug(LIBSSH2_SESSION * session, int context, const char *format, ...) +{ + char buffer[1536]; + int len, msglen, buflen = sizeof(buffer); + va_list vargs; + struct timeval now; + static int firstsec; + static const char *const contexts[] = { + "Unknown", + "Transport", + "Key Ex", + "Userauth", + "Conn", + "SCP", + "SFTP", + "Failure Event", + "Publickey", + "Socket", + }; + const char* contexttext = contexts[0]; + unsigned int contextindex; + + if (!(session->showmask & context)) { + /* no such output asked for */ + return; + } + + /* Find the first matching context string for this message */ + for (contextindex = 0; contextindex < ARRAY_SIZE(contexts); + contextindex++) { + if ((context & (1 << contextindex)) != 0) { + contexttext = contexts[contextindex]; + break; + } + } + + _libssh2_gettimeofday(&now, NULL); + if(!firstsec) { + firstsec = now.tv_sec; + } + now.tv_sec -= firstsec; + + len = snprintf(buffer, buflen, "[libssh2] %d.%06d %s: ", + (int)now.tv_sec, (int)now.tv_usec, contexttext); + + if (len >= buflen) + msglen = buflen - 1; + else { + buflen -= len; + msglen = len; + va_start(vargs, format); + len = vsnprintf(buffer + msglen, buflen, format, vargs); + va_end(vargs); + msglen += len < buflen ? len : buflen - 1; + } + + if (session->tracehandler) + (session->tracehandler)(session, session->tracehandler_context, buffer, + msglen); + else + fprintf(stderr, "%s\n", buffer); +} + +#else +LIBSSH2_API int +libssh2_trace(LIBSSH2_SESSION * session, int bitmask) +{ + (void) session; + (void) bitmask; + return 0; +} + +LIBSSH2_API int +libssh2_trace_sethandler(LIBSSH2_SESSION *session, void* handler_context, + libssh2_trace_handler_func callback) +{ + (void) session; + (void) handler_context; + (void) callback; + return 0; +} +#endif + +/* init the list head */ +void _libssh2_list_init(struct list_head *head) +{ + head->first = head->last = NULL; +} + +/* add a node to the list */ +void _libssh2_list_add(struct list_head *head, + struct list_node *entry) +{ + /* store a pointer to the head */ + entry->head = head; + + /* we add this entry at the "top" so it has no next */ + entry->next = NULL; + + /* make our prev point to what the head thinks is last */ + entry->prev = head->last; + + /* and make head's last be us now */ + head->last = entry; + + /* make sure our 'prev' node points to us next */ + if(entry->prev) + entry->prev->next = entry; + else + head->first = entry; +} + +/* return the "first" node in the list this head points to */ +void *_libssh2_list_first(struct list_head *head) +{ + return head->first; +} + +/* return the next node in the list */ +void *_libssh2_list_next(struct list_node *node) +{ + return node->next; +} + +/* return the prev node in the list */ +void *_libssh2_list_prev(struct list_node *node) +{ + return node->prev; +} + +/* remove this node from the list */ +void _libssh2_list_remove(struct list_node *entry) +{ + if(entry->prev) + entry->prev->next = entry->next; + else + entry->head->first = entry->next; + + if(entry->next) + entry->next->prev = entry->prev; + else + entry->head->last = entry->prev; +} + +#if 0 +/* insert a node before the given 'after' entry */ +void _libssh2_list_insert(struct list_node *after, /* insert before this */ + struct list_node *entry) +{ + /* 'after' is next to 'entry' */ + bentry->next = after; + + /* entry's prev is then made to be the prev after current has */ + entry->prev = after->prev; + + /* the node that is now before 'entry' was previously before 'after' + and must be made to point to 'entry' correctly */ + if(entry->prev) + entry->prev->next = entry; + else + /* there was no node before this, so we make sure we point the head + pointer to this node */ + after->head->first = entry; + + /* after's prev entry points back to entry */ + after->prev = entry; + + /* after's next entry is still the same as before */ + + /* entry's head is the same as after's */ + entry->head = after->head; +} + +#endif + +/* this define is defined in misc.h for the correct platforms */ +#ifdef LIBSSH2_GETTIMEOFDAY_WIN32 +/* + * gettimeofday + * Implementation according to: + * The Open Group Base Specifications Issue 6 + * IEEE Std 1003.1, 2004 Edition + */ + +/* + * THIS SOFTWARE IS NOT COPYRIGHTED + * + * This source code is offered for use in the public domain. You may + * use, modify or distribute it freely. + * + * This code is distributed in the hope that it will be useful but + * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY + * DISCLAIMED. This includes but is not limited to warranties of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + * Contributed by: + * Danny Smith + */ + +/* Offset between 1/1/1601 and 1/1/1970 in 100 nanosec units */ +#define _W32_FT_OFFSET (116444736000000000) + +int __cdecl _libssh2_gettimeofday(struct timeval *tp, void *tzp) + { + union { + unsigned __int64 ns100; /*time since 1 Jan 1601 in 100ns units */ + FILETIME ft; + } _now; + + if(tp) + { + GetSystemTimeAsFileTime (&_now.ft); + tp->tv_usec=(long)((_now.ns100 / 10) % 1000000 ); + tp->tv_sec= (long)((_now.ns100 - _W32_FT_OFFSET) / 10000000); + } + /* Always return 0 as per Open Group Base Specifications Issue 6. + Do not set errno on error. */ + return 0; +} + + +#endif diff --git a/vendor/libssh2-1.4.2/src/misc.h b/vendor/libssh2-1.4.2/src/misc.h new file mode 100644 index 0000000..e25248d --- /dev/null +++ b/vendor/libssh2-1.4.2/src/misc.h @@ -0,0 +1,94 @@ +#ifndef __LIBSSH2_MISC_H +#define __LIBSSH2_MISC_H +/* Copyright (c) 2009-2011 by Daniel Stenberg + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +struct list_head { + struct list_node *last; + struct list_node *first; +}; + +struct list_node { + struct list_node *next; + struct list_node *prev; + struct list_head *head; +}; + +int _libssh2_error(LIBSSH2_SESSION* session, int errcode, const char* errmsg); + +void _libssh2_list_init(struct list_head *head); + +/* add a node last in the list */ +void _libssh2_list_add(struct list_head *head, + struct list_node *entry); + +/* return the "first" node in the list this head points to */ +void *_libssh2_list_first(struct list_head *head); + +/* return the next node in the list */ +void *_libssh2_list_next(struct list_node *node); + +/* return the prev node in the list */ +void *_libssh2_list_prev(struct list_node *node); + +/* remove this node from the list */ +void _libssh2_list_remove(struct list_node *entry); + +size_t _libssh2_base64_encode(struct _LIBSSH2_SESSION *session, + const char *inp, size_t insize, char **outptr); + +unsigned int _libssh2_ntohu32(const unsigned char *buf); +libssh2_uint64_t _libssh2_ntohu64(const unsigned char *buf); +void _libssh2_htonu32(unsigned char *buf, uint32_t val); +void _libssh2_store_u32(unsigned char **buf, uint32_t value); +void _libssh2_store_str(unsigned char **buf, const char *str, size_t len); + +#if defined(LIBSSH2_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__) +/* provide a private one */ +#undef HAVE_GETTIMEOFDAY +int __cdecl _libssh2_gettimeofday(struct timeval *tp, void *tzp); +#define HAVE_LIBSSH2_GETTIMEOFDAY +#define LIBSSH2_GETTIMEOFDAY_WIN32 /* enable the win32 implementation */ +#else +#ifdef HAVE_GETTIMEOFDAY +#define _libssh2_gettimeofday(x,y) gettimeofday(x,y) +#define HAVE_LIBSSH2_GETTIMEOFDAY +#endif +#endif + +#endif /* _LIBSSH2_MISC_H */ diff --git a/vendor/libssh2-1.4.2/src/openssl.c b/vendor/libssh2-1.4.2/src/openssl.c new file mode 100644 index 0000000..481982c --- /dev/null +++ b/vendor/libssh2-1.4.2/src/openssl.c @@ -0,0 +1,804 @@ +/* Copyright (C) 2009, 2010 Simon Josefsson + * Copyright (C) 2006, 2007 The Written Word, Inc. All rights reserved. + * Copyright (c) 2004-2006, Sara Golemon + * + * Author: Simon Josefsson + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" + +#ifndef LIBSSH2_LIBGCRYPT /* compile only if we build with OpenSSL */ + +#include + +#ifndef EVP_MAX_BLOCK_LENGTH +#define EVP_MAX_BLOCK_LENGTH 32 +#endif + +int +_libssh2_rsa_new(libssh2_rsa_ctx ** rsa, + const unsigned char *edata, + unsigned long elen, + const unsigned char *ndata, + unsigned long nlen, + const unsigned char *ddata, + unsigned long dlen, + const unsigned char *pdata, + unsigned long plen, + const unsigned char *qdata, + unsigned long qlen, + const unsigned char *e1data, + unsigned long e1len, + const unsigned char *e2data, + unsigned long e2len, + const unsigned char *coeffdata, unsigned long coefflen) +{ + *rsa = RSA_new(); + + (*rsa)->e = BN_new(); + BN_bin2bn(edata, elen, (*rsa)->e); + + (*rsa)->n = BN_new(); + BN_bin2bn(ndata, nlen, (*rsa)->n); + + if (ddata) { + (*rsa)->d = BN_new(); + BN_bin2bn(ddata, dlen, (*rsa)->d); + + (*rsa)->p = BN_new(); + BN_bin2bn(pdata, plen, (*rsa)->p); + + (*rsa)->q = BN_new(); + BN_bin2bn(qdata, qlen, (*rsa)->q); + + (*rsa)->dmp1 = BN_new(); + BN_bin2bn(e1data, e1len, (*rsa)->dmp1); + + (*rsa)->dmq1 = BN_new(); + BN_bin2bn(e2data, e2len, (*rsa)->dmq1); + + (*rsa)->iqmp = BN_new(); + BN_bin2bn(coeffdata, coefflen, (*rsa)->iqmp); + } + return 0; +} + +int +_libssh2_rsa_sha1_verify(libssh2_rsa_ctx * rsactx, + const unsigned char *sig, + unsigned long sig_len, + const unsigned char *m, unsigned long m_len) +{ + unsigned char hash[SHA_DIGEST_LENGTH]; + int ret; + + libssh2_sha1(m, m_len, hash); + ret = RSA_verify(NID_sha1, hash, SHA_DIGEST_LENGTH, + (unsigned char *) sig, sig_len, rsactx); + return (ret == 1) ? 0 : -1; +} + +#if LIBSSH2_DSA +int +_libssh2_dsa_new(libssh2_dsa_ctx ** dsactx, + const unsigned char *p, + unsigned long p_len, + const unsigned char *q, + unsigned long q_len, + const unsigned char *g, + unsigned long g_len, + const unsigned char *y, + unsigned long y_len, + const unsigned char *x, unsigned long x_len) +{ + *dsactx = DSA_new(); + + (*dsactx)->p = BN_new(); + BN_bin2bn(p, p_len, (*dsactx)->p); + + (*dsactx)->q = BN_new(); + BN_bin2bn(q, q_len, (*dsactx)->q); + + (*dsactx)->g = BN_new(); + BN_bin2bn(g, g_len, (*dsactx)->g); + + (*dsactx)->pub_key = BN_new(); + BN_bin2bn(y, y_len, (*dsactx)->pub_key); + + if (x_len) { + (*dsactx)->priv_key = BN_new(); + BN_bin2bn(x, x_len, (*dsactx)->priv_key); + } + + return 0; +} + +int +_libssh2_dsa_sha1_verify(libssh2_dsa_ctx * dsactx, + const unsigned char *sig, + const unsigned char *m, unsigned long m_len) +{ + unsigned char hash[SHA_DIGEST_LENGTH]; + DSA_SIG dsasig; + int ret; + + dsasig.r = BN_new(); + BN_bin2bn(sig, 20, dsasig.r); + dsasig.s = BN_new(); + BN_bin2bn(sig + 20, 20, dsasig.s); + + libssh2_sha1(m, m_len, hash); + ret = DSA_do_verify(hash, SHA_DIGEST_LENGTH, &dsasig, dsactx); + BN_clear_free(dsasig.s); + BN_clear_free(dsasig.r); + + return (ret == 1) ? 0 : -1; +} +#endif /* LIBSSH_DSA */ + +int +_libssh2_cipher_init(_libssh2_cipher_ctx * h, + _libssh2_cipher_type(algo), + unsigned char *iv, unsigned char *secret, int encrypt) +{ + EVP_CIPHER_CTX_init(h); + EVP_CipherInit(h, algo(), secret, iv, encrypt); + return 0; +} + +int +_libssh2_cipher_crypt(_libssh2_cipher_ctx * ctx, + _libssh2_cipher_type(algo), + int encrypt, unsigned char *block) +{ + int blocksize = ctx->cipher->block_size; + unsigned char buf[EVP_MAX_BLOCK_LENGTH]; + int ret; + (void) algo; + (void) encrypt; + + if (blocksize == 1) { +/* Hack for arcfour. */ + blocksize = 8; + } + ret = EVP_Cipher(ctx, buf, block, blocksize); + if (ret == 1) { + memcpy(block, buf, blocksize); + } + return ret == 1 ? 0 : 1; +} + +#if LIBSSH2_AES_CTR + +#include +#include + +typedef struct +{ + AES_KEY key; + EVP_CIPHER_CTX *aes_ctx; + unsigned char ctr[AES_BLOCK_SIZE]; +} aes_ctr_ctx; + +static int +aes_ctr_init(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc) /* init key */ +{ + /* + * variable "c" is leaked from this scope, but is later freed + * in aes_ctr_cleanup + */ + aes_ctr_ctx *c = malloc(sizeof(*c)); + const EVP_CIPHER *aes_cipher; + (void) enc; + + if (c == NULL) + return 0; + + switch (ctx->key_len) { + case 16: + aes_cipher = EVP_aes_128_ecb(); + break; + case 24: + aes_cipher = EVP_aes_192_ecb(); + break; + case 32: + aes_cipher = EVP_aes_256_ecb(); + break; + default: + return 0; + } + c->aes_ctx = malloc(sizeof(EVP_CIPHER_CTX)); + if (c->aes_ctx == NULL) + return 0; + + if (EVP_EncryptInit(c->aes_ctx, aes_cipher, key, NULL) != 1) { + return 0; + } + + EVP_CIPHER_CTX_set_padding(c->aes_ctx, 0); + + memcpy(c->ctr, iv, AES_BLOCK_SIZE); + + EVP_CIPHER_CTX_set_app_data(ctx, c); + + return 1; +} + +static int +aes_ctr_do_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, + size_t inl) /* encrypt/decrypt data */ +{ + aes_ctr_ctx *c = EVP_CIPHER_CTX_get_app_data(ctx); + unsigned char b1[AES_BLOCK_SIZE]; + size_t i = 0; + int outlen = 0; + + if (inl != 16) /* libssh2 only ever encrypt one block */ + return 0; + + if (c == NULL) { + return 0; + } + +/* + To encrypt a packet P=P1||P2||...||Pn (where P1, P2, ..., Pn are each + blocks of length L), the encryptor first encrypts with + to obtain a block B1. The block B1 is then XORed with P1 to generate + the ciphertext block C1. The counter X is then incremented +*/ + + if (EVP_EncryptUpdate(c->aes_ctx, b1, &outlen, c->ctr, AES_BLOCK_SIZE) != 1) { + return 0; + } + + for (i = 0; i < 16; i++) + *out++ = *in++ ^ b1[i]; + + i = 15; + while (c->ctr[i]++ == 0xFF) { + if (i == 0) + break; + i--; + } + + return 1; +} + +static int +aes_ctr_cleanup(EVP_CIPHER_CTX *ctx) /* cleanup ctx */ +{ + aes_ctr_ctx *c = EVP_CIPHER_CTX_get_app_data(ctx); + + if (c == NULL) { + return 1; + } + + if (c->aes_ctx != NULL) { + _libssh2_cipher_dtor(c->aes_ctx); + free(c->aes_ctx); + } + + free(c); + + return 1; +} + +static const EVP_CIPHER * +make_ctr_evp (size_t keylen, EVP_CIPHER *aes_ctr_cipher) +{ + aes_ctr_cipher->block_size = 16; + aes_ctr_cipher->key_len = keylen; + aes_ctr_cipher->iv_len = 16; + aes_ctr_cipher->init = aes_ctr_init; + aes_ctr_cipher->do_cipher = aes_ctr_do_cipher; + aes_ctr_cipher->cleanup = aes_ctr_cleanup; + + return aes_ctr_cipher; +} + +const EVP_CIPHER * +_libssh2_EVP_aes_128_ctr(void) +{ + static EVP_CIPHER aes_ctr_cipher; + return !aes_ctr_cipher.key_len? + make_ctr_evp (16, &aes_ctr_cipher) : &aes_ctr_cipher; +} + +const EVP_CIPHER * +_libssh2_EVP_aes_192_ctr(void) +{ + static EVP_CIPHER aes_ctr_cipher; + return !aes_ctr_cipher.key_len? + make_ctr_evp (24, &aes_ctr_cipher) : &aes_ctr_cipher; +} + +const EVP_CIPHER * +_libssh2_EVP_aes_256_ctr(void) +{ + static EVP_CIPHER aes_ctr_cipher; + return !aes_ctr_cipher.key_len? + make_ctr_evp (32, &aes_ctr_cipher) : &aes_ctr_cipher; +} + +void _libssh2_init_aes_ctr(void) +{ + _libssh2_EVP_aes_128_ctr(); + _libssh2_EVP_aes_192_ctr(); + _libssh2_EVP_aes_256_ctr(); +} + +#else +void _libssh2_init_aes_ctr(void) {} +#endif /* LIBSSH2_AES_CTR */ + +/* TODO: Optionally call a passphrase callback specified by the + * calling program + */ +static int +passphrase_cb(char *buf, int size, int rwflag, char *passphrase) +{ + int passphrase_len = strlen(passphrase); + (void) rwflag; + + if (passphrase_len > (size - 1)) { + passphrase_len = size - 1; + } + memcpy(buf, passphrase, passphrase_len); + buf[passphrase_len] = '\0'; + + return passphrase_len; +} + +typedef void * (*pem_read_bio_func)(BIO *, void **, pem_password_cb *, + void * u); + +static int +read_private_key_from_file(void ** key_ctx, + pem_read_bio_func read_private_key, + const char * filename, + unsigned const char *passphrase) +{ + BIO * bp; + + *key_ctx = NULL; + + bp = BIO_new_file(filename, "r"); + if (!bp) { + return -1; + } + + *key_ctx = read_private_key(bp, NULL, (pem_password_cb *) passphrase_cb, + (void *) passphrase); + + BIO_free(bp); + return (*key_ctx) ? 0 : -1; +} + +int +_libssh2_rsa_new_private(libssh2_rsa_ctx ** rsa, + LIBSSH2_SESSION * session, + const char *filename, unsigned const char *passphrase) +{ + pem_read_bio_func read_rsa = + (pem_read_bio_func) &PEM_read_bio_RSAPrivateKey; + (void) session; + + _libssh2_init_if_needed (); + + return read_private_key_from_file((void **) rsa, read_rsa, + filename, passphrase); +} + +#if LIBSSH2_DSA +int +_libssh2_dsa_new_private(libssh2_dsa_ctx ** dsa, + LIBSSH2_SESSION * session, + const char *filename, unsigned const char *passphrase) +{ + pem_read_bio_func read_dsa = + (pem_read_bio_func) &PEM_read_bio_DSAPrivateKey; + (void) session; + + _libssh2_init_if_needed (); + + return read_private_key_from_file((void **) dsa, read_dsa, + filename, passphrase); +} +#endif /* LIBSSH_DSA */ + +int +_libssh2_rsa_sha1_sign(LIBSSH2_SESSION * session, + libssh2_rsa_ctx * rsactx, + const unsigned char *hash, + size_t hash_len, + unsigned char **signature, size_t *signature_len) +{ + int ret; + unsigned char *sig; + unsigned int sig_len; + + sig_len = RSA_size(rsactx); + sig = LIBSSH2_ALLOC(session, sig_len); + + if (!sig) { + return -1; + } + + ret = RSA_sign(NID_sha1, hash, hash_len, sig, &sig_len, rsactx); + + if (!ret) { + LIBSSH2_FREE(session, sig); + return -1; + } + + *signature = sig; + *signature_len = sig_len; + + return 0; +} + +#if LIBSSH2_DSA +int +_libssh2_dsa_sha1_sign(libssh2_dsa_ctx * dsactx, + const unsigned char *hash, + unsigned long hash_len, unsigned char *signature) +{ + DSA_SIG *sig; + int r_len, s_len; + (void) hash_len; + + sig = DSA_do_sign(hash, SHA_DIGEST_LENGTH, dsactx); + if (!sig) { + return -1; + } + + r_len = BN_num_bytes(sig->r); + if (r_len < 1 || r_len > 20) { + DSA_SIG_free(sig); + return -1; + } + s_len = BN_num_bytes(sig->s); + if (s_len < 1 || s_len > 20) { + DSA_SIG_free(sig); + return -1; + } + + memset(signature, 0, 40); + + BN_bn2bin(sig->r, signature + (20 - r_len)); + BN_bn2bin(sig->s, signature + 20 + (20 - s_len)); + + DSA_SIG_free(sig); + + return 0; +} +#endif /* LIBSSH_DSA */ + +void +libssh2_sha1(const unsigned char *message, unsigned long len, + unsigned char *out) +{ + EVP_MD_CTX ctx; + + EVP_DigestInit(&ctx, EVP_get_digestbyname("sha1")); + EVP_DigestUpdate(&ctx, message, len); + EVP_DigestFinal(&ctx, out, NULL); +} + +void +libssh2_md5(const unsigned char *message, unsigned long len, + unsigned char *out) +{ + EVP_MD_CTX ctx; + + EVP_DigestInit(&ctx, EVP_get_digestbyname("md5")); + EVP_DigestUpdate(&ctx, message, len); + EVP_DigestFinal(&ctx, out, NULL); +} + +static unsigned char * +write_bn(unsigned char *buf, const BIGNUM *bn, int bn_bytes) +{ + unsigned char *p = buf; + + /* Left space for bn size which will be written below. */ + p += 4; + + *p = 0; + BN_bn2bin(bn, p + 1); + if (!(*(p + 1) & 0x80)) { + memmove(p, p + 1, --bn_bytes); + } + _libssh2_htonu32(p - 4, bn_bytes); /* Post write bn size. */ + + return p + bn_bytes; +} + +static unsigned char * +gen_publickey_from_rsa(LIBSSH2_SESSION *session, RSA *rsa, + size_t *key_len) +{ + int e_bytes, n_bytes; + unsigned long len; + unsigned char* key; + unsigned char* p; + + e_bytes = BN_num_bytes(rsa->e) + 1; + n_bytes = BN_num_bytes(rsa->n) + 1; + + /* Key form is "ssh-rsa" + e + n. */ + len = 4 + 7 + 4 + e_bytes + 4 + n_bytes; + + key = LIBSSH2_ALLOC(session, len); + if (key == NULL) { + return NULL; + } + + /* Process key encoding. */ + p = key; + + _libssh2_htonu32(p, 7); /* Key type. */ + p += 4; + memcpy(p, "ssh-rsa", 7); + p += 7; + + p = write_bn(p, rsa->e, e_bytes); + p = write_bn(p, rsa->n, n_bytes); + + *key_len = (size_t)(p - key); + return key; +} + +static unsigned char * +gen_publickey_from_dsa(LIBSSH2_SESSION* session, DSA *dsa, + size_t *key_len) +{ + int p_bytes, q_bytes, g_bytes, k_bytes; + unsigned long len; + unsigned char* key; + unsigned char* p; + + p_bytes = BN_num_bytes(dsa->p) + 1; + q_bytes = BN_num_bytes(dsa->q) + 1; + g_bytes = BN_num_bytes(dsa->g) + 1; + k_bytes = BN_num_bytes(dsa->pub_key) + 1; + + /* Key form is "ssh-dss" + p + q + g + pub_key. */ + len = 4 + 7 + 4 + p_bytes + 4 + q_bytes + 4 + g_bytes + 4 + k_bytes; + + key = LIBSSH2_ALLOC(session, len); + if (key == NULL) { + return NULL; + } + + /* Process key encoding. */ + p = key; + + _libssh2_htonu32(p, 7); /* Key type. */ + p += 4; + memcpy(p, "ssh-dss", 7); + p += 7; + + p = write_bn(p, dsa->p, p_bytes); + p = write_bn(p, dsa->q, q_bytes); + p = write_bn(p, dsa->g, g_bytes); + p = write_bn(p, dsa->pub_key, k_bytes); + + *key_len = (size_t)(p - key); + return key; +} + +static int +gen_publickey_from_rsa_evp(LIBSSH2_SESSION *session, + unsigned char **method, + size_t *method_len, + unsigned char **pubkeydata, + size_t *pubkeydata_len, + EVP_PKEY *pk) +{ + RSA* rsa = NULL; + unsigned char* key; + unsigned char* method_buf = NULL; + size_t key_len; + + _libssh2_debug(session, + LIBSSH2_TRACE_AUTH, + "Computing public key from RSA private key envelop"); + + rsa = EVP_PKEY_get1_RSA(pk); + if (rsa == NULL) { + /* Assume memory allocation error... what else could it be ? */ + goto __alloc_error; + } + + method_buf = LIBSSH2_ALLOC(session, 7); /* ssh-rsa. */ + if (method_buf == NULL) { + goto __alloc_error; + } + + key = gen_publickey_from_rsa(session, rsa, &key_len); + if (key == NULL) { + goto __alloc_error; + } + RSA_free(rsa); + + memcpy(method_buf, "ssh-rsa", 7); + *method = method_buf; + *method_len = 7; + *pubkeydata = key; + *pubkeydata_len = key_len; + return 0; + + __alloc_error: + if (rsa != NULL) { + RSA_free(rsa); + } + if (method_buf != NULL) { + LIBSSH2_FREE(session, method_buf); + } + + return _libssh2_error(session, + LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for private key data"); +} + +static int +gen_publickey_from_dsa_evp(LIBSSH2_SESSION *session, + unsigned char **method, + size_t *method_len, + unsigned char **pubkeydata, + size_t *pubkeydata_len, + EVP_PKEY *pk) +{ + DSA* dsa = NULL; + unsigned char* key; + unsigned char* method_buf = NULL; + size_t key_len; + + _libssh2_debug(session, + LIBSSH2_TRACE_AUTH, + "Computing public key from DSA private key envelop"); + + dsa = EVP_PKEY_get1_DSA(pk); + if (dsa == NULL) { + /* Assume memory allocation error... what else could it be ? */ + goto __alloc_error; + } + + method_buf = LIBSSH2_ALLOC(session, 7); /* ssh-dss. */ + if (method_buf == NULL) { + goto __alloc_error; + } + + key = gen_publickey_from_dsa(session, dsa, &key_len); + if (key == NULL) { + goto __alloc_error; + } + DSA_free(dsa); + + memcpy(method_buf, "ssh-dss", 7); + *method = method_buf; + *method_len = 7; + *pubkeydata = key; + *pubkeydata_len = key_len; + return 0; + + __alloc_error: + if (dsa != NULL) { + DSA_free(dsa); + } + if (method_buf != NULL) { + LIBSSH2_FREE(session, method_buf); + } + + return _libssh2_error(session, + LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for private key data"); +} + +int +_libssh2_pub_priv_keyfile(LIBSSH2_SESSION *session, + unsigned char **method, + size_t *method_len, + unsigned char **pubkeydata, + size_t *pubkeydata_len, + const char *privatekey, + const char *passphrase) +{ + int st; + BIO* bp; + EVP_PKEY* pk; + + _libssh2_debug(session, + LIBSSH2_TRACE_AUTH, + "Computing public key from private key file: %s", + privatekey); + + bp = BIO_new_file(privatekey, "r"); + if (bp == NULL) { + return _libssh2_error(session, + LIBSSH2_ERROR_FILE, + "Unable to extract public key from private key " + "file: Unable to open private key file"); + } + if (!EVP_get_cipherbyname("des")) { + /* If this cipher isn't loaded it's a pretty good indication that none + * are. I have *NO DOUBT* that there's a better way to deal with this + * ($#&%#$(%$#( Someone buy me an OpenSSL manual and I'll read up on + * it. + */ + OpenSSL_add_all_ciphers(); + } + BIO_reset(bp); + pk = PEM_read_bio_PrivateKey(bp, NULL, NULL, (void*)passphrase); + BIO_free(bp); + + if (pk == NULL) { + return _libssh2_error(session, + LIBSSH2_ERROR_FILE, + "Unable to extract public key " + "from private key file: " + "Wrong passphrase or invalid/unrecognized " + "private key file format"); + } + + switch (pk->type) { + case EVP_PKEY_RSA : + st = gen_publickey_from_rsa_evp( + session, method, method_len, pubkeydata, pubkeydata_len, pk); + break; + + case EVP_PKEY_DSA : + st = gen_publickey_from_dsa_evp( + session, method, method_len, pubkeydata, pubkeydata_len, pk); + break; + + default : + st = _libssh2_error(session, + LIBSSH2_ERROR_FILE, + "Unable to extract public key " + "from private key file: " + "Unsupported private key file format"); + break; + } + + EVP_PKEY_free(pk); + return st; +} + +#endif /* !LIBSSH2_LIBGCRYPT */ diff --git a/vendor/libssh2-1.4.2/src/openssl.h b/vendor/libssh2-1.4.2/src/openssl.h new file mode 100644 index 0000000..6d2aeed --- /dev/null +++ b/vendor/libssh2-1.4.2/src/openssl.h @@ -0,0 +1,178 @@ +/* Copyright (C) 2009, 2010 Simon Josefsson + * Copyright (C) 2006, 2007 The Written Word, Inc. All rights reserved. + * + * Author: Simon Josefsson + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include +#include +#ifndef OPENSSL_NO_MD5 +#include +#endif +#include +#include +#include +#include +#include + +#ifdef OPENSSL_NO_RSA +# define LIBSSH2_RSA 0 +#else +# define LIBSSH2_RSA 1 +#endif + +#ifdef OPENSSL_NO_DSA +# define LIBSSH2_DSA 0 +#else +# define LIBSSH2_DSA 1 +#endif + +#ifdef OPENSSL_NO_MD5 +# define LIBSSH2_MD5 0 +#else +# define LIBSSH2_MD5 1 +#endif + +#ifdef OPENSSL_NO_RIPEMD +# define LIBSSH2_HMAC_RIPEMD 0 +#else +# define LIBSSH2_HMAC_RIPEMD 1 +#endif + +#if OPENSSL_VERSION_NUMBER >= 0x00907000L && !defined(OPENSSL_NO_AES) +# define LIBSSH2_AES_CTR 1 +# define LIBSSH2_AES 1 +#else +# define LIBSSH2_AES_CTR 0 +# define LIBSSH2_AES 0 +#endif + +#ifdef OPENSSL_NO_BLOWFISH +# define LIBSSH2_BLOWFISH 0 +#else +# define LIBSSH2_BLOWFISH 1 +#endif + +#ifdef OPENSSL_NO_RC4 +# define LIBSSH2_RC4 0 +#else +# define LIBSSH2_RC4 1 +#endif + +#ifdef OPENSSL_NO_CAST +# define LIBSSH2_CAST 0 +#else +# define LIBSSH2_CAST 1 +#endif + +#ifdef OPENSSL_NO_DES +# define LIBSSH2_3DES 0 +#else +# define LIBSSH2_3DES 1 +#endif + +#define _libssh2_random(buf, len) RAND_bytes ((buf), (len)) + +#define libssh2_sha1_ctx EVP_MD_CTX +#define libssh2_sha1_init(ctx) EVP_DigestInit(ctx, EVP_get_digestbyname("sha1")) +#define libssh2_sha1_update(ctx, data, len) EVP_DigestUpdate(&(ctx), data, len) +#define libssh2_sha1_final(ctx, out) EVP_DigestFinal(&(ctx), out, NULL) +void libssh2_sha1(const unsigned char *message, unsigned long len, unsigned char *out); + +#define libssh2_md5_ctx EVP_MD_CTX +#define libssh2_md5_init(ctx) EVP_DigestInit(ctx, EVP_get_digestbyname("md5")) +#define libssh2_md5_update(ctx, data, len) EVP_DigestUpdate(&(ctx), data, len) +#define libssh2_md5_final(ctx, out) EVP_DigestFinal(&(ctx), out, NULL) +void libssh2_md5(const unsigned char *message, unsigned long len, unsigned char *out); + +#define libssh2_hmac_ctx HMAC_CTX +#define libssh2_hmac_sha1_init(ctx, key, keylen) \ + HMAC_Init(ctx, key, keylen, EVP_sha1()) +#define libssh2_hmac_md5_init(ctx, key, keylen) \ + HMAC_Init(ctx, key, keylen, EVP_md5()) +#define libssh2_hmac_ripemd160_init(ctx, key, keylen) \ + HMAC_Init(ctx, key, keylen, EVP_ripemd160()) +#define libssh2_hmac_update(ctx, data, datalen) \ + HMAC_Update(&(ctx), data, datalen) +#define libssh2_hmac_final(ctx, data) HMAC_Final(&(ctx), data, NULL) +#define libssh2_hmac_cleanup(ctx) HMAC_cleanup(ctx) + +#define libssh2_crypto_init() OpenSSL_add_all_algorithms() +#define libssh2_crypto_exit() + +#define libssh2_rsa_ctx RSA + +#define _libssh2_rsa_free(rsactx) RSA_free(rsactx) + +#define libssh2_dsa_ctx DSA + + +#define _libssh2_dsa_free(dsactx) DSA_free(dsactx) + +#define _libssh2_cipher_type(name) const EVP_CIPHER *(*name)(void) +#define _libssh2_cipher_ctx EVP_CIPHER_CTX + +#define _libssh2_cipher_aes256 EVP_aes_256_cbc +#define _libssh2_cipher_aes192 EVP_aes_192_cbc +#define _libssh2_cipher_aes128 EVP_aes_128_cbc +#define _libssh2_cipher_aes128ctr _libssh2_EVP_aes_128_ctr +#define _libssh2_cipher_aes192ctr _libssh2_EVP_aes_192_ctr +#define _libssh2_cipher_aes256ctr _libssh2_EVP_aes_256_ctr +#define _libssh2_cipher_blowfish EVP_bf_cbc +#define _libssh2_cipher_arcfour EVP_rc4 +#define _libssh2_cipher_cast5 EVP_cast5_cbc +#define _libssh2_cipher_3des EVP_des_ede3_cbc + +#define _libssh2_cipher_dtor(ctx) EVP_CIPHER_CTX_cleanup(ctx) + +#define _libssh2_bn BIGNUM +#define _libssh2_bn_ctx BN_CTX +#define _libssh2_bn_ctx_new() BN_CTX_new() +#define _libssh2_bn_ctx_free(bnctx) BN_CTX_free(bnctx) +#define _libssh2_bn_init() BN_new() +#define _libssh2_bn_rand(bn, bits, top, bottom) BN_rand(bn, bits, top, bottom) +#define _libssh2_bn_mod_exp(r, a, p, m, ctx) BN_mod_exp(r, a, p, m, ctx) +#define _libssh2_bn_set_word(bn, val) BN_set_word(bn, val) +#define _libssh2_bn_from_bin(bn, len, val) BN_bin2bn(val, len, bn) +#define _libssh2_bn_to_bin(bn, val) BN_bn2bin(bn, val) +#define _libssh2_bn_bytes(bn) BN_num_bytes(bn) +#define _libssh2_bn_bits(bn) BN_num_bits(bn) +#define _libssh2_bn_free(bn) BN_clear_free(bn) + +const EVP_CIPHER *_libssh2_EVP_aes_128_ctr(void); +const EVP_CIPHER *_libssh2_EVP_aes_192_ctr(void); +const EVP_CIPHER *_libssh2_EVP_aes_256_ctr(void); + diff --git a/vendor/libssh2-1.4.2/src/packet.c b/vendor/libssh2-1.4.2/src/packet.c new file mode 100644 index 0000000..bfbd56a --- /dev/null +++ b/vendor/libssh2-1.4.2/src/packet.c @@ -0,0 +1,1243 @@ +/* Copyright (c) 2004-2007, Sara Golemon + * Copyright (c) 2005,2006 Mikhail Gusarov + * Copyright (c) 2009-2010 by Daniel Stenberg + * Copyright (c) 2010 Simon Josefsson + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" +#include +#include + +#ifdef HAVE_UNISTD_H +#include +#endif + +#ifdef HAVE_SYS_TIME_H +#include +#endif + +#ifdef HAVE_INTTYPES_H +#include +#endif + +/* Needed for struct iovec on some platforms */ +#ifdef HAVE_SYS_UIO_H +#include +#endif + +#include + +#include "transport.h" +#include "channel.h" +#include "packet.h" + +/* + * libssh2_packet_queue_listener + * + * Queue a connection request for a listener + */ +static inline int +packet_queue_listener(LIBSSH2_SESSION * session, unsigned char *data, + unsigned long datalen, + packet_queue_listener_state_t *listen_state) +{ + /* + * Look for a matching listener + */ + /* 17 = packet_type(1) + channel(4) + reason(4) + descr(4) + lang(4) */ + unsigned long packet_len = 17 + (sizeof(FwdNotReq) - 1); + unsigned char *p; + LIBSSH2_LISTENER *listn = _libssh2_list_first(&session->listeners); + char failure_code = SSH_OPEN_ADMINISTRATIVELY_PROHIBITED; + int rc; + + (void) datalen; + + if (listen_state->state == libssh2_NB_state_idle) { + unsigned char *s = data + (sizeof("forwarded-tcpip") - 1) + 5; + listen_state->sender_channel = _libssh2_ntohu32(s); + s += 4; + + listen_state->initial_window_size = _libssh2_ntohu32(s); + s += 4; + listen_state->packet_size = _libssh2_ntohu32(s); + s += 4; + + listen_state->host_len = _libssh2_ntohu32(s); + s += 4; + listen_state->host = s; + s += listen_state->host_len; + listen_state->port = _libssh2_ntohu32(s); + s += 4; + + listen_state->shost_len = _libssh2_ntohu32(s); + s += 4; + listen_state->shost = s; + s += listen_state->shost_len; + listen_state->sport = _libssh2_ntohu32(s); + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Remote received connection from %s:%ld to %s:%ld", + listen_state->shost, listen_state->sport, + listen_state->host, listen_state->port); + + listen_state->state = libssh2_NB_state_allocated; + } + + if (listen_state->state != libssh2_NB_state_sent) { + while (listn) { + if ((listn->port == (int) listen_state->port) && + (strlen(listn->host) == listen_state->host_len) && + (memcmp (listn->host, listen_state->host, + listen_state->host_len) == 0)) { + /* This is our listener */ + LIBSSH2_CHANNEL *channel = NULL; + listen_state->channel = NULL; + + if (listen_state->state == libssh2_NB_state_allocated) { + if (listn->queue_maxsize && + (listn->queue_maxsize <= listn->queue_size)) { + /* Queue is full */ + failure_code = SSH_OPEN_RESOURCE_SHORTAGE; + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Listener queue full, ignoring"); + listen_state->state = libssh2_NB_state_sent; + break; + } + + channel = LIBSSH2_ALLOC(session, sizeof(LIBSSH2_CHANNEL)); + if (!channel) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate a channel for " + "new connection"); + failure_code = SSH_OPEN_RESOURCE_SHORTAGE; + listen_state->state = libssh2_NB_state_sent; + break; + } + listen_state->channel = channel; + + memset(channel, 0, sizeof(LIBSSH2_CHANNEL)); + + channel->session = session; + channel->channel_type_len = sizeof("forwarded-tcpip") - 1; + channel->channel_type = LIBSSH2_ALLOC(session, + channel-> + channel_type_len + + 1); + if (!channel->channel_type) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate a channel for new" + " connection"); + LIBSSH2_FREE(session, channel); + failure_code = SSH_OPEN_RESOURCE_SHORTAGE; + listen_state->state = libssh2_NB_state_sent; + break; + } + memcpy(channel->channel_type, "forwarded-tcpip", + channel->channel_type_len + 1); + + channel->remote.id = listen_state->sender_channel; + channel->remote.window_size_initial = + LIBSSH2_CHANNEL_WINDOW_DEFAULT; + channel->remote.window_size = + LIBSSH2_CHANNEL_WINDOW_DEFAULT; + channel->remote.packet_size = + LIBSSH2_CHANNEL_PACKET_DEFAULT; + + channel->local.id = _libssh2_channel_nextid(session); + channel->local.window_size_initial = + listen_state->initial_window_size; + channel->local.window_size = + listen_state->initial_window_size; + channel->local.packet_size = listen_state->packet_size; + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Connection queued: channel %lu/%lu " + "win %lu/%lu packet %lu/%lu", + channel->local.id, channel->remote.id, + channel->local.window_size, + channel->remote.window_size, + channel->local.packet_size, + channel->remote.packet_size); + + p = listen_state->packet; + *(p++) = SSH_MSG_CHANNEL_OPEN_CONFIRMATION; + _libssh2_store_u32(&p, channel->remote.id); + _libssh2_store_u32(&p, channel->local.id); + _libssh2_store_u32(&p, + channel->remote.window_size_initial); + _libssh2_store_u32(&p, channel->remote.packet_size); + + listen_state->state = libssh2_NB_state_created; + } + + if (listen_state->state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, listen_state->packet, + 17, NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + else if (rc) { + listen_state->state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Unable to send channel " + "open confirmation"); + } + + /* Link the channel into the end of the queue list */ + _libssh2_list_add(&listn->queue, + &listen_state->channel->node); + listn->queue_size++; + + listen_state->state = libssh2_NB_state_idle; + return 0; + } + } + + listn = _libssh2_list_next(&listn->node); + } + + listen_state->state = libssh2_NB_state_sent; + } + + /* We're not listening to you */ + p = listen_state->packet; + *(p++) = SSH_MSG_CHANNEL_OPEN_FAILURE; + _libssh2_store_u32(&p, listen_state->sender_channel); + _libssh2_store_u32(&p, failure_code); + _libssh2_store_str(&p, FwdNotReq, sizeof(FwdNotReq) - 1); + _libssh2_htonu32(p, 0); + + rc = _libssh2_transport_send(session, listen_state->packet, + packet_len, NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + listen_state->state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, "Unable to send open failure"); + + } + listen_state->state = libssh2_NB_state_idle; + return 0; +} + +/* + * packet_x11_open + * + * Accept a forwarded X11 connection + */ +static inline int +packet_x11_open(LIBSSH2_SESSION * session, unsigned char *data, + unsigned long datalen, + packet_x11_open_state_t *x11open_state) +{ + int failure_code = SSH_OPEN_CONNECT_FAILED; + /* 17 = packet_type(1) + channel(4) + reason(4) + descr(4) + lang(4) */ + unsigned long packet_len = 17 + (sizeof(X11FwdUnAvil) - 1); + unsigned char *p; + LIBSSH2_CHANNEL *channel = x11open_state->channel; + int rc; + + (void) datalen; + + if (x11open_state->state == libssh2_NB_state_idle) { + unsigned char *s = data + (sizeof("x11") - 1) + 5; + x11open_state->sender_channel = _libssh2_ntohu32(s); + s += 4; + x11open_state->initial_window_size = _libssh2_ntohu32(s); + s += 4; + x11open_state->packet_size = _libssh2_ntohu32(s); + s += 4; + x11open_state->shost_len = _libssh2_ntohu32(s); + s += 4; + x11open_state->shost = s; + s += x11open_state->shost_len; + x11open_state->sport = _libssh2_ntohu32(s); + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "X11 Connection Received from %s:%ld on channel %lu", + x11open_state->shost, x11open_state->sport, + x11open_state->sender_channel); + + x11open_state->state = libssh2_NB_state_allocated; + } + + if (session->x11) { + if (x11open_state->state == libssh2_NB_state_allocated) { + channel = LIBSSH2_ALLOC(session, sizeof(LIBSSH2_CHANNEL)); + if (!channel) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "allocate a channel for new connection"); + failure_code = SSH_OPEN_RESOURCE_SHORTAGE; + goto x11_exit; + } + memset(channel, 0, sizeof(LIBSSH2_CHANNEL)); + + channel->session = session; + channel->channel_type_len = sizeof("x11") - 1; + channel->channel_type = LIBSSH2_ALLOC(session, + channel->channel_type_len + + 1); + if (!channel->channel_type) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "allocate a channel for new connection"); + LIBSSH2_FREE(session, channel); + failure_code = SSH_OPEN_RESOURCE_SHORTAGE; + goto x11_exit; + } + memcpy(channel->channel_type, "x11", + channel->channel_type_len + 1); + + channel->remote.id = x11open_state->sender_channel; + channel->remote.window_size_initial = + LIBSSH2_CHANNEL_WINDOW_DEFAULT; + channel->remote.window_size = LIBSSH2_CHANNEL_WINDOW_DEFAULT; + channel->remote.packet_size = LIBSSH2_CHANNEL_PACKET_DEFAULT; + + channel->local.id = _libssh2_channel_nextid(session); + channel->local.window_size_initial = + x11open_state->initial_window_size; + channel->local.window_size = x11open_state->initial_window_size; + channel->local.packet_size = x11open_state->packet_size; + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "X11 Connection established: channel %lu/%lu " + "win %lu/%lu packet %lu/%lu", + channel->local.id, channel->remote.id, + channel->local.window_size, + channel->remote.window_size, + channel->local.packet_size, + channel->remote.packet_size); + p = x11open_state->packet; + *(p++) = SSH_MSG_CHANNEL_OPEN_CONFIRMATION; + _libssh2_store_u32(&p, channel->remote.id); + _libssh2_store_u32(&p, channel->local.id); + _libssh2_store_u32(&p, channel->remote.window_size_initial); + _libssh2_store_u32(&p, channel->remote.packet_size); + + x11open_state->state = libssh2_NB_state_created; + } + + if (x11open_state->state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, x11open_state->packet, 17, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + x11open_state->state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send channel open " + "confirmation"); + } + + /* Link the channel into the session */ + _libssh2_list_add(&session->channels, &channel->node); + + /* + * Pass control to the callback, they may turn right around and + * free the channel, or actually use it + */ + LIBSSH2_X11_OPEN(channel, (char *)x11open_state->shost, + x11open_state->sport); + + x11open_state->state = libssh2_NB_state_idle; + return 0; + } + } + else + failure_code = SSH_OPEN_RESOURCE_SHORTAGE; + /* fall-trough */ + x11_exit: + p = x11open_state->packet; + *(p++) = SSH_MSG_CHANNEL_OPEN_FAILURE; + _libssh2_store_u32(&p, x11open_state->sender_channel); + _libssh2_store_u32(&p, failure_code); + _libssh2_store_str(&p, X11FwdUnAvil, sizeof(X11FwdUnAvil) - 1); + _libssh2_htonu32(p, 0); + + rc = _libssh2_transport_send(session, x11open_state->packet, packet_len, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + x11open_state->state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, "Unable to send open failure"); + } + x11open_state->state = libssh2_NB_state_idle; + return 0; +} + +/* + * _libssh2_packet_add + * + * Create a new packet and attach it to the brigade. Called from the transport + * layer when it has received a packet. + * + * The input pointer 'data' is pointing to allocated data that this function + * is asked to deal with so on failure OR success, it must be freed fine. + * + * This function will always be called with 'datalen' greater than zero. + */ +int +_libssh2_packet_add(LIBSSH2_SESSION * session, unsigned char *data, + size_t datalen, int macstate) +{ + int rc = 0; + char *message=NULL; + char *language=NULL; + size_t message_len=0; + size_t language_len=0; + LIBSSH2_CHANNEL *channelp = NULL; + size_t data_head = 0; + unsigned char msg = data[0]; + + switch(session->packAdd_state) { + case libssh2_NB_state_idle: + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "Packet type %d received, length=%d", + (int) msg, (int) datalen); + + if ((macstate == LIBSSH2_MAC_INVALID) && + (!session->macerror || + LIBSSH2_MACERROR(session, (char *) data, datalen))) { + /* Bad MAC input, but no callback set or non-zero return from the + callback */ + + LIBSSH2_FREE(session, data); + return _libssh2_error(session, LIBSSH2_ERROR_INVALID_MAC, + "Invalid MAC received"); + } + session->packAdd_state = libssh2_NB_state_allocated; + break; + case libssh2_NB_state_jump1: + goto libssh2_packet_add_jump_point1; + case libssh2_NB_state_jump2: + goto libssh2_packet_add_jump_point2; + case libssh2_NB_state_jump3: + goto libssh2_packet_add_jump_point3; + case libssh2_NB_state_jump4: + goto libssh2_packet_add_jump_point4; + case libssh2_NB_state_jump5: + goto libssh2_packet_add_jump_point5; + default: /* nothing to do */ + break; + } + + if (session->packAdd_state == libssh2_NB_state_allocated) { + /* A couple exceptions to the packet adding rule: */ + switch (msg) { + + /* + byte SSH_MSG_DISCONNECT + uint32 reason code + string description in ISO-10646 UTF-8 encoding [RFC3629] + string language tag [RFC3066] + */ + + case SSH_MSG_DISCONNECT: + if(datalen >= 5) { + size_t reason = _libssh2_ntohu32(data + 1); + + if(datalen >= 9) { + message_len = _libssh2_ntohu32(data + 5); + + if(message_len < datalen-13) { + /* 9 = packet_type(1) + reason(4) + message_len(4) */ + message = (char *) data + 9; + + language_len = _libssh2_ntohu32(data + 9 + message_len); + language = (char *) data + 9 + message_len + 4; + + if(language_len > (datalen-13-message_len)) { + /* bad input, clear info */ + language = message = NULL; + language_len = message_len = 0; + } + } + else + /* bad size, clear it */ + message_len=0; + } + if (session->ssh_msg_disconnect) { + LIBSSH2_DISCONNECT(session, reason, message, + message_len, language, language_len); + } + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "Disconnect(%d): %s(%s)", reason, + message, language); + } + + LIBSSH2_FREE(session, data); + session->socket_state = LIBSSH2_SOCKET_DISCONNECTED; + session->packAdd_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_DISCONNECT, + "socket disconnect"); + /* + byte SSH_MSG_IGNORE + string data + */ + + case SSH_MSG_IGNORE: + if (datalen >= 2) { + if (session->ssh_msg_ignore) { + LIBSSH2_IGNORE(session, (char *) data + 1, datalen - 1); + } + } else if (session->ssh_msg_ignore) { + LIBSSH2_IGNORE(session, "", 0); + } + LIBSSH2_FREE(session, data); + session->packAdd_state = libssh2_NB_state_idle; + return 0; + + /* + byte SSH_MSG_DEBUG + boolean always_display + string message in ISO-10646 UTF-8 encoding [RFC3629] + string language tag [RFC3066] + */ + + case SSH_MSG_DEBUG: + if(datalen >= 2) { + int always_display= data[1]; + + if(datalen >= 6) { + message_len = _libssh2_ntohu32(data + 2); + + if(message_len <= (datalen - 10)) { + /* 6 = packet_type(1) + display(1) + message_len(4) */ + message = (char *) data + 6; + language_len = _libssh2_ntohu32(data + 6 + message_len); + + if(language_len <= (datalen - 10 - message_len)) + language = (char *) data + 10 + message_len; + } + } + + if (session->ssh_msg_debug) { + LIBSSH2_DEBUG(session, always_display, message, + message_len, language, language_len); + } + } + /* + * _libssh2_debug will actually truncate this for us so + * that it's not an inordinate about of data + */ + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "Debug Packet: %s", message); + LIBSSH2_FREE(session, data); + session->packAdd_state = libssh2_NB_state_idle; + return 0; + + /* + byte SSH_MSG_GLOBAL_REQUEST + string request name in US-ASCII only + boolean want reply + .... request-specific data follows + */ + + case SSH_MSG_GLOBAL_REQUEST: + if(datalen >= 5) { + uint32_t len =0; + unsigned char want_reply=0; + len = _libssh2_ntohu32(data + 1); + if(datalen >= (6 + len)) { + want_reply = data[5 + len]; + _libssh2_debug(session, + LIBSSH2_TRACE_CONN, + "Received global request type %.*s (wr %X)", + len, data + 5, want_reply); + } + + + if (want_reply) { + unsigned char packet = SSH_MSG_REQUEST_FAILURE; + libssh2_packet_add_jump_point5: + session->packAdd_state = libssh2_NB_state_jump5; + rc = _libssh2_transport_send(session, &packet, 1, NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + } + } + LIBSSH2_FREE(session, data); + session->packAdd_state = libssh2_NB_state_idle; + return 0; + + /* + byte SSH_MSG_CHANNEL_EXTENDED_DATA + uint32 recipient channel + uint32 data_type_code + string data + */ + + case SSH_MSG_CHANNEL_EXTENDED_DATA: + /* streamid(4) */ + data_head += 4; + + /* fall-through */ + + /* + byte SSH_MSG_CHANNEL_DATA + uint32 recipient channel + string data + */ + + case SSH_MSG_CHANNEL_DATA: + /* packet_type(1) + channelno(4) + datalen(4) */ + data_head += 9; + + if(datalen >= data_head) + channelp = + _libssh2_channel_locate(session, + _libssh2_ntohu32(data + 1)); + + if (!channelp) { + _libssh2_error(session, LIBSSH2_ERROR_CHANNEL_UNKNOWN, + "Packet received for unknown channel"); + LIBSSH2_FREE(session, data); + session->packAdd_state = libssh2_NB_state_idle; + return 0; + } +#ifdef LIBSSH2DEBUG + { + uint32_t stream_id = 0; + if (msg == SSH_MSG_CHANNEL_EXTENDED_DATA) + stream_id = _libssh2_ntohu32(data + 5); + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "%d bytes packet_add() for %lu/%lu/%lu", + (int) (datalen - data_head), + channelp->local.id, + channelp->remote.id, + stream_id); + } +#endif + if ((channelp->remote.extended_data_ignore_mode == + LIBSSH2_CHANNEL_EXTENDED_DATA_IGNORE) && + (msg == SSH_MSG_CHANNEL_EXTENDED_DATA)) { + /* Pretend we didn't receive this */ + LIBSSH2_FREE(session, data); + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Ignoring extended data and refunding %d bytes", + (int) (datalen - 13)); + session->packAdd_channelp = channelp; + + /* Adjust the window based on the block we just freed */ + libssh2_packet_add_jump_point1: + session->packAdd_state = libssh2_NB_state_jump1; + rc = _libssh2_channel_receive_window_adjust(session-> + packAdd_channelp, + datalen - 13, + 1, NULL); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + + session->packAdd_state = libssh2_NB_state_idle; + return 0; + } + + /* + * REMEMBER! remote means remote as source of data, + * NOT remote window! + */ + if (channelp->remote.packet_size < (datalen - data_head)) { + /* + * Spec says we MAY ignore bytes sent beyond + * packet_size + */ + _libssh2_error(session, + LIBSSH2_ERROR_CHANNEL_PACKET_EXCEEDED, + "Packet contains more data than we offered" + " to receive, truncating"); + datalen = channelp->remote.packet_size + data_head; + } + if (channelp->remote.window_size <= 0) { + /* + * Spec says we MAY ignore bytes sent beyond + * window_size + */ + _libssh2_error(session, + LIBSSH2_ERROR_CHANNEL_WINDOW_EXCEEDED, + "The current receive window is full," + " data ignored"); + LIBSSH2_FREE(session, data); + session->packAdd_state = libssh2_NB_state_idle; + return 0; + } + /* Reset EOF status */ + channelp->remote.eof = 0; + + if ((datalen - data_head) > channelp->remote.window_size) { + _libssh2_error(session, + LIBSSH2_ERROR_CHANNEL_WINDOW_EXCEEDED, + "Remote sent more data than current " + "window allows, truncating"); + datalen = channelp->remote.window_size + data_head; + channelp->remote.window_size = 0; + } + else + /* Now that we've received it, shrink our window */ + channelp->remote.window_size -= datalen - data_head; + + break; + + /* + byte SSH_MSG_CHANNEL_EOF + uint32 recipient channel + */ + + case SSH_MSG_CHANNEL_EOF: + if(datalen >= 5) + channelp = + _libssh2_channel_locate(session, + _libssh2_ntohu32(data + 1)); + if (!channelp) + /* We may have freed already, just quietly ignore this... */ + ; + else { + _libssh2_debug(session, + LIBSSH2_TRACE_CONN, + "EOF received for channel %lu/%lu", + channelp->local.id, + channelp->remote.id); + channelp->remote.eof = 1; + } + LIBSSH2_FREE(session, data); + session->packAdd_state = libssh2_NB_state_idle; + return 0; + + /* + byte SSH_MSG_CHANNEL_REQUEST + uint32 recipient channel + string request type in US-ASCII characters only + boolean want reply + .... type-specific data follows + */ + + case SSH_MSG_CHANNEL_REQUEST: + if(datalen >= 9) { + uint32_t channel = _libssh2_ntohu32(data + 1); + uint32_t len = _libssh2_ntohu32(data + 5); + unsigned char want_reply = 1; + + if(len < (datalen - 10)) + want_reply = data[9 + len]; + + _libssh2_debug(session, + LIBSSH2_TRACE_CONN, + "Channel %d received request type %.*s (wr %X)", + channel, len, data + 9, want_reply); + + if (len == sizeof("exit-status") - 1 + && !memcmp("exit-status", data + 9, + sizeof("exit-status") - 1)) { + + /* we've got "exit-status" packet. Set the session value */ + if(datalen >= 20) + channelp = + _libssh2_channel_locate(session, channel); + + if (channelp) { + channelp->exit_status = + _libssh2_ntohu32(data + 9 + sizeof("exit-status")); + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Exit status %lu received for " + "channel %lu/%lu", + channelp->exit_status, + channelp->local.id, + channelp->remote.id); + } + + } + else if (len == sizeof("exit-signal") - 1 + && !memcmp("exit-signal", data + 9, + sizeof("exit-signal") - 1)) { + /* command terminated due to signal */ + if(datalen >= 20) + channelp = _libssh2_channel_locate(session, channel); + + if (channelp) { + /* set signal name (without SIG prefix) */ + uint32_t namelen = + _libssh2_ntohu32(data + 9 + sizeof("exit-signal")); + channelp->exit_signal = + LIBSSH2_ALLOC(session, namelen + 1); + if (!channelp->exit_signal) + rc = _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "memory for signal name"); + else { + memcpy(channelp->exit_signal, + data + 13 + sizeof("exit_signal"), namelen); + channelp->exit_signal[namelen] = '\0'; + /* TODO: save error message and language tag */ + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Exit signal %s received for " + "channel %lu/%lu", + channelp->exit_signal, + channelp->local.id, + channelp->remote.id); + } + } + } + + + if (want_reply) { + unsigned char packet[5]; + libssh2_packet_add_jump_point4: + session->packAdd_state = libssh2_NB_state_jump4; + packet[0] = SSH_MSG_CHANNEL_FAILURE; + memcpy(&packet[1], data+1, 4); + rc = _libssh2_transport_send(session, packet, 5, NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + } + } + LIBSSH2_FREE(session, data); + session->packAdd_state = libssh2_NB_state_idle; + return rc; + + /* + byte SSH_MSG_CHANNEL_CLOSE + uint32 recipient channel + */ + + case SSH_MSG_CHANNEL_CLOSE: + if(datalen >= 5) + channelp = + _libssh2_channel_locate(session, + _libssh2_ntohu32(data + 1)); + if (!channelp) { + /* We may have freed already, just quietly ignore this... */ + LIBSSH2_FREE(session, data); + session->packAdd_state = libssh2_NB_state_idle; + return 0; + } + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Close received for channel %lu/%lu", + channelp->local.id, + channelp->remote.id); + + channelp->remote.close = 1; + channelp->remote.eof = 1; + + LIBSSH2_FREE(session, data); + session->packAdd_state = libssh2_NB_state_idle; + return 0; + + /* + byte SSH_MSG_CHANNEL_OPEN + string "session" + uint32 sender channel + uint32 initial window size + uint32 maximum packet size + */ + + case SSH_MSG_CHANNEL_OPEN: + if(datalen < 17) + ; + else if ((datalen >= (sizeof("forwarded-tcpip") + 4)) && + ((sizeof("forwarded-tcpip") - 1) == + _libssh2_ntohu32(data + 1)) + && + (memcmp(data + 5, "forwarded-tcpip", + sizeof("forwarded-tcpip") - 1) == 0)) { + + /* init the state struct */ + memset(&session->packAdd_Qlstn_state, 0, + sizeof(session->packAdd_Qlstn_state)); + + libssh2_packet_add_jump_point2: + session->packAdd_state = libssh2_NB_state_jump2; + rc = packet_queue_listener(session, data, datalen, + &session->packAdd_Qlstn_state); + } + else if ((datalen >= (sizeof("x11") + 4)) && + ((sizeof("x11") - 1) == _libssh2_ntohu32(data + 1)) && + (memcmp(data + 5, "x11", sizeof("x11") - 1) == 0)) { + + /* init the state struct */ + memset(&session->packAdd_x11open_state, 0, + sizeof(session->packAdd_x11open_state)); + + libssh2_packet_add_jump_point3: + session->packAdd_state = libssh2_NB_state_jump3; + rc = packet_x11_open(session, data, datalen, + &session->packAdd_x11open_state); + } + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + + LIBSSH2_FREE(session, data); + session->packAdd_state = libssh2_NB_state_idle; + return rc; + + /* + byte SSH_MSG_CHANNEL_WINDOW_ADJUST + uint32 recipient channel + uint32 bytes to add + */ + case SSH_MSG_CHANNEL_WINDOW_ADJUST: + if(datalen < 9) + ; + else { + uint32_t bytestoadd = _libssh2_ntohu32(data + 5); + channelp = + _libssh2_channel_locate(session, + _libssh2_ntohu32(data + 1)); + if(channelp) { + channelp->local.window_size += bytestoadd; + + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Window adjust for channel %lu/%lu, " + "adding %lu bytes, new window_size=%lu", + channelp->local.id, + channelp->remote.id, + bytestoadd, + channelp->local.window_size); + } + } + LIBSSH2_FREE(session, data); + session->packAdd_state = libssh2_NB_state_idle; + return 0; + default: + break; + } + + session->packAdd_state = libssh2_NB_state_sent; + } + + if (session->packAdd_state == libssh2_NB_state_sent) { + LIBSSH2_PACKET *packetp = + LIBSSH2_ALLOC(session, sizeof(LIBSSH2_PACKET)); + if (!packetp) { + _libssh2_debug(session, LIBSSH2_ERROR_ALLOC, + "memory for packet"); + session->packAdd_state = libssh2_NB_state_idle; + return LIBSSH2_ERROR_ALLOC; + } + packetp->data = data; + packetp->data_len = datalen; + packetp->data_head = data_head; + + _libssh2_list_add(&session->packets, &packetp->node); + + session->packAdd_state = libssh2_NB_state_sent1; + } + + if ((msg == SSH_MSG_KEXINIT && + !(session->state & LIBSSH2_STATE_EXCHANGING_KEYS)) || + (session->packAdd_state == libssh2_NB_state_sent2)) { + if (session->packAdd_state == libssh2_NB_state_sent1) { + /* + * Remote wants new keys + * Well, it's already in the brigade, + * let's just call back into ourselves + */ + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, "Renegotiating Keys"); + + session->packAdd_state = libssh2_NB_state_sent2; + } + + /* + * The KEXINIT message has been added to the queue. The packAdd and + * readPack states need to be reset because _libssh2_kex_exchange + * (eventually) calls upon _libssh2_transport_read to read the rest of + * the key exchange conversation. + */ + session->readPack_state = libssh2_NB_state_idle; + session->packet.total_num = 0; + session->packAdd_state = libssh2_NB_state_idle; + session->fullpacket_state = libssh2_NB_state_idle; + + memset(&session->startup_key_state, 0, sizeof(key_exchange_state_t)); + + /* + * If there was a key reexchange failure, let's just hope we didn't + * send NEWKEYS yet, otherwise remote will drop us like a rock + */ + rc = _libssh2_kex_exchange(session, 1, &session->startup_key_state); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + } + + session->packAdd_state = libssh2_NB_state_idle; + return 0; +} + +/* + * _libssh2_packet_ask + * + * Scan the brigade for a matching packet type, optionally poll the socket for + * a packet first + */ +int +_libssh2_packet_ask(LIBSSH2_SESSION * session, unsigned char packet_type, + unsigned char **data, size_t *data_len, + int match_ofs, const unsigned char *match_buf, + size_t match_len) +{ + LIBSSH2_PACKET *packet = _libssh2_list_first(&session->packets); + + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "Looking for packet of type: %d", (int) packet_type); + + while (packet) { + if (packet->data[0] == packet_type + && (packet->data_len >= (match_ofs + match_len)) + && (!match_buf || + (memcmp(packet->data + match_ofs, match_buf, + match_len) == 0))) { + *data = packet->data; + *data_len = packet->data_len; + + /* unlink struct from session->packets */ + _libssh2_list_remove(&packet->node); + + LIBSSH2_FREE(session, packet); + + return 0; + } + packet = _libssh2_list_next(&packet->node); + } + return -1; +} + +/* + * libssh2_packet_askv + * + * Scan for any of a list of packet types in the brigade, optionally poll the + * socket for a packet first + */ +int +_libssh2_packet_askv(LIBSSH2_SESSION * session, + const unsigned char *packet_types, + unsigned char **data, size_t *data_len, + int match_ofs, + const unsigned char *match_buf, + size_t match_len) +{ + int i, packet_types_len = strlen((char *) packet_types); + + for(i = 0; i < packet_types_len; i++) { + if (0 == _libssh2_packet_ask(session, packet_types[i], data, + data_len, match_ofs, + match_buf, match_len)) { + return 0; + } + } + + return -1; +} + +/* + * _libssh2_packet_require + * + * Loops _libssh2_transport_read() until the packet requested is available + * SSH_DISCONNECT or a SOCKET_DISCONNECTED will cause a bailout + * + * Returns negative on error + * Returns 0 when it has taken care of the requested packet. + */ +int +_libssh2_packet_require(LIBSSH2_SESSION * session, unsigned char packet_type, + unsigned char **data, size_t *data_len, + int match_ofs, + const unsigned char *match_buf, + size_t match_len, + packet_require_state_t *state) +{ + if (state->start == 0) { + if (_libssh2_packet_ask(session, packet_type, data, data_len, + match_ofs, match_buf, + match_len) == 0) { + /* A packet was available in the packet brigade */ + return 0; + } + + state->start = time(NULL); + } + + while (session->socket_state == LIBSSH2_SOCKET_CONNECTED) { + int ret = _libssh2_transport_read(session); + if (ret == LIBSSH2_ERROR_EAGAIN) + return ret; + else if (ret < 0) { + state->start = 0; + /* an error which is not just because of blocking */ + return ret; + } else if (ret == packet_type) { + /* Be lazy, let packet_ask pull it out of the brigade */ + ret = _libssh2_packet_ask(session, packet_type, data, data_len, + match_ofs, match_buf, match_len); + state->start = 0; + return ret; + } else if (ret == 0) { + /* nothing available, wait until data arrives or we time out */ + long left = LIBSSH2_READ_TIMEOUT - (long)(time(NULL) - + state->start); + + if (left <= 0) { + state->start = 0; + return LIBSSH2_ERROR_TIMEOUT; + } + return -1; /* no packet available yet */ + } + } + + /* Only reached if the socket died */ + return LIBSSH2_ERROR_SOCKET_DISCONNECT; +} + +/* + * _libssh2_packet_burn + * + * Loops _libssh2_transport_read() until any packet is available and promptly + * discards it. + * Used during KEX exchange to discard badly guessed KEX_INIT packets + */ +int +_libssh2_packet_burn(LIBSSH2_SESSION * session, + libssh2_nonblocking_states * state) +{ + unsigned char *data; + size_t data_len; + unsigned char all_packets[255]; + int i; + int ret; + + if (*state == libssh2_NB_state_idle) { + for(i = 1; i < 256; i++) { + all_packets[i - 1] = i; + } + + if (_libssh2_packet_askv(session, all_packets, &data, &data_len, 0, + NULL, 0) == 0) { + i = data[0]; + /* A packet was available in the packet brigade, burn it */ + LIBSSH2_FREE(session, data); + return i; + } + + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "Blocking until packet becomes available to burn"); + *state = libssh2_NB_state_created; + } + + while (session->socket_state == LIBSSH2_SOCKET_CONNECTED) { + ret = _libssh2_transport_read(session); + if (ret == LIBSSH2_ERROR_EAGAIN) { + return ret; + } else if (ret < 0) { + *state = libssh2_NB_state_idle; + return ret; + } else if (ret == 0) { + /* FIXME: this might busyloop */ + continue; + } + + /* Be lazy, let packet_ask pull it out of the brigade */ + if (0 == + _libssh2_packet_ask(session, ret, &data, &data_len, 0, NULL, 0)) { + /* Smoke 'em if you got 'em */ + LIBSSH2_FREE(session, data); + *state = libssh2_NB_state_idle; + return ret; + } + } + + /* Only reached if the socket died */ + return LIBSSH2_ERROR_SOCKET_DISCONNECT; +} + +/* + * _libssh2_packet_requirev + * + * Loops _libssh2_transport_read() until one of a list of packet types + * requested is available. SSH_DISCONNECT or a SOCKET_DISCONNECTED will cause + * a bailout. packet_types is a null terminated list of packet_type numbers + */ + +int +_libssh2_packet_requirev(LIBSSH2_SESSION *session, + const unsigned char *packet_types, + unsigned char **data, size_t *data_len, + int match_ofs, + const unsigned char *match_buf, size_t match_len, + packet_requirev_state_t * state) +{ + if (_libssh2_packet_askv(session, packet_types, data, data_len, match_ofs, + match_buf, match_len) == 0) { + /* One of the packets listed was available in the packet brigade */ + state->start = 0; + return 0; + } + + if (state->start == 0) { + state->start = time(NULL); + } + + while (session->socket_state != LIBSSH2_SOCKET_DISCONNECTED) { + int ret = _libssh2_transport_read(session); + if ((ret < 0) && (ret != LIBSSH2_ERROR_EAGAIN)) { + state->start = 0; + return ret; + } + if (ret <= 0) { + long left = LIBSSH2_READ_TIMEOUT - + (long)(time(NULL) - state->start); + + if (left <= 0) { + state->start = 0; + return LIBSSH2_ERROR_TIMEOUT; + } + else if (ret == LIBSSH2_ERROR_EAGAIN) { + return ret; + } + } + + if (strchr((char *) packet_types, ret)) { + /* Be lazy, let packet_ask pull it out of the brigade */ + return _libssh2_packet_askv(session, packet_types, data, + data_len, match_ofs, match_buf, + match_len); + } + } + + /* Only reached if the socket died */ + state->start = 0; + return LIBSSH2_ERROR_SOCKET_DISCONNECT; +} + diff --git a/vendor/libssh2-1.4.2/src/packet.h b/vendor/libssh2-1.4.2/src/packet.h new file mode 100644 index 0000000..d66b15b --- /dev/null +++ b/vendor/libssh2-1.4.2/src/packet.h @@ -0,0 +1,76 @@ +#ifndef LIBSSH2_PACKET_H +#define LIBSSH2_PACKET_H +/* + * Copyright (C) 2010 by Daniel Stenberg + * Author: Daniel Stenberg + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + */ + +int _libssh2_packet_read(LIBSSH2_SESSION * session); + +int _libssh2_packet_ask(LIBSSH2_SESSION * session, unsigned char packet_type, + unsigned char **data, size_t *data_len, + int match_ofs, + const unsigned char *match_buf, + size_t match_len); + +int _libssh2_packet_askv(LIBSSH2_SESSION * session, + const unsigned char *packet_types, + unsigned char **data, size_t *data_len, + int match_ofs, + const unsigned char *match_buf, + size_t match_len); +int _libssh2_packet_require(LIBSSH2_SESSION * session, + unsigned char packet_type, unsigned char **data, + size_t *data_len, int match_ofs, + const unsigned char *match_buf, + size_t match_len, + packet_require_state_t * state); +int _libssh2_packet_requirev(LIBSSH2_SESSION *session, + const unsigned char *packet_types, + unsigned char **data, size_t *data_len, + int match_ofs, + const unsigned char *match_buf, + size_t match_len, + packet_requirev_state_t * state); +int _libssh2_packet_burn(LIBSSH2_SESSION * session, + libssh2_nonblocking_states * state); +int _libssh2_packet_write(LIBSSH2_SESSION * session, unsigned char *data, + unsigned long data_len); +int _libssh2_packet_add(LIBSSH2_SESSION * session, unsigned char *data, + size_t datalen, int macstate); + +#endif /* LIBSSH2_PACKET_H */ diff --git a/vendor/libssh2-1.4.2/src/pem.c b/vendor/libssh2-1.4.2/src/pem.c new file mode 100644 index 0000000..5749bc8 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/pem.c @@ -0,0 +1,213 @@ +/* Copyright (C) 2007 The Written Word, Inc. + * Copyright (C) 2008, Simon Josefsson + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" + +#ifdef LIBSSH2_LIBGCRYPT /* compile only if we build with libgcrypt */ + +static int +readline(char *line, int line_size, FILE * fp) +{ + if (!fgets(line, line_size, fp)) { + return -1; + } + if (*line && line[strlen(line) - 1] == '\n') { + line[strlen(line) - 1] = '\0'; + } + if (*line && line[strlen(line) - 1] == '\r') { + line[strlen(line) - 1] = '\0'; + } + return 0; +} + +#define LINE_SIZE 128 + +int +_libssh2_pem_parse(LIBSSH2_SESSION * session, + const char *headerbegin, + const char *headerend, + FILE * fp, unsigned char **data, unsigned int *datalen) +{ + char line[LINE_SIZE]; + char *b64data = NULL; + unsigned int b64datalen = 0; + int ret; + + do { + if (readline(line, LINE_SIZE, fp)) { + return -1; + } + } + while (strcmp(line, headerbegin) != 0); + + *line = '\0'; + + do { + if (*line) { + char *tmp; + size_t linelen; + + linelen = strlen(line); + tmp = LIBSSH2_REALLOC(session, b64data, b64datalen + linelen); + if (!tmp) { + ret = -1; + goto out; + } + memcpy(tmp + b64datalen, line, linelen); + b64data = tmp; + b64datalen += linelen; + } + + if (readline(line, LINE_SIZE, fp)) { + ret = -1; + goto out; + } + } while (strcmp(line, headerend) != 0); + + if (libssh2_base64_decode(session, (char**) data, datalen, + b64data, b64datalen)) { + ret = -1; + goto out; + } + + ret = 0; + out: + if (b64data) { + LIBSSH2_FREE(session, b64data); + } + return ret; +} + +static int +read_asn1_length(const unsigned char *data, + unsigned int datalen, unsigned int *len) +{ + unsigned int lenlen; + int nextpos; + + if (datalen < 1) { + return -1; + } + *len = data[0]; + + if (*len >= 0x80) { + lenlen = *len & 0x7F; + *len = data[1]; + if (1 + lenlen > datalen) { + return -1; + } + if (lenlen > 1) { + *len <<= 8; + *len |= data[2]; + } + } else { + lenlen = 0; + } + + nextpos = 1 + lenlen; + if (lenlen > 2 || 1 + lenlen + *len > datalen) { + return -1; + } + + return nextpos; +} + +int +_libssh2_pem_decode_sequence(unsigned char **data, unsigned int *datalen) +{ + unsigned int len; + int lenlen; + + if (*datalen < 1) { + return -1; + } + + if ((*data)[0] != '\x30') { + return -1; + } + + (*data)++; + (*datalen)--; + + lenlen = read_asn1_length(*data, *datalen, &len); + if (lenlen < 0 || lenlen + len != *datalen) { + return -1; + } + + *data += lenlen; + *datalen -= lenlen; + + return 0; +} + +int +_libssh2_pem_decode_integer(unsigned char **data, unsigned int *datalen, + unsigned char **i, unsigned int *ilen) +{ + unsigned int len; + int lenlen; + + if (*datalen < 1) { + return -1; + } + + if ((*data)[0] != '\x02') { + return -1; + } + + (*data)++; + (*datalen)--; + + lenlen = read_asn1_length(*data, *datalen, &len); + if (lenlen < 0 || lenlen + len > *datalen) { + return -1; + } + + *data += lenlen; + *datalen -= lenlen; + + *i = *data; + *ilen = len; + + *data += len; + *datalen -= len; + + return 0; +} + +#endif /* LIBSSH2_LIBGCRYPT */ diff --git a/vendor/libssh2-1.4.2/src/publickey.c b/vendor/libssh2-1.4.2/src/publickey.c new file mode 100644 index 0000000..ab76ab2 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/publickey.c @@ -0,0 +1,1058 @@ +/* Copyright (c) 2004-2007, Sara Golemon + * Copyright (c) 2010 by Daniel Stenberg + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" +#include "libssh2_publickey.h" +#include "channel.h" +#include "session.h" + +#define LIBSSH2_PUBLICKEY_VERSION 2 + +/* Numericised response codes -- Not IETF, just local representation */ +#define LIBSSH2_PUBLICKEY_RESPONSE_STATUS 0 +#define LIBSSH2_PUBLICKEY_RESPONSE_VERSION 1 +#define LIBSSH2_PUBLICKEY_RESPONSE_PUBLICKEY 2 + +typedef struct _LIBSSH2_PUBLICKEY_CODE_LIST +{ + int code; + const char *name; + int name_len; +} LIBSSH2_PUBLICKEY_CODE_LIST; + +static const LIBSSH2_PUBLICKEY_CODE_LIST publickey_response_codes[] = +{ + {LIBSSH2_PUBLICKEY_RESPONSE_STATUS, "status", sizeof("status") - 1}, + {LIBSSH2_PUBLICKEY_RESPONSE_VERSION, "version", sizeof("version") - 1}, + {LIBSSH2_PUBLICKEY_RESPONSE_PUBLICKEY, "publickey", + sizeof("publickey") - 1} , + {0, NULL, 0} +}; + +/* PUBLICKEY status codes -- IETF defined */ +#define LIBSSH2_PUBLICKEY_SUCCESS 0 +#define LIBSSH2_PUBLICKEY_ACCESS_DENIED 1 +#define LIBSSH2_PUBLICKEY_STORAGE_EXCEEDED 2 +#define LIBSSH2_PUBLICKEY_VERSION_NOT_SUPPORTED 3 +#define LIBSSH2_PUBLICKEY_KEY_NOT_FOUND 4 +#define LIBSSH2_PUBLICKEY_KEY_NOT_SUPPORTED 5 +#define LIBSSH2_PUBLICKEY_KEY_ALREADY_PRESENT 6 +#define LIBSSH2_PUBLICKEY_GENERAL_FAILURE 7 +#define LIBSSH2_PUBLICKEY_REQUEST_NOT_SUPPORTED 8 + +#define LIBSSH2_PUBLICKEY_STATUS_CODE_MAX 8 + +static const LIBSSH2_PUBLICKEY_CODE_LIST publickey_status_codes[] = { + {LIBSSH2_PUBLICKEY_SUCCESS, "success", sizeof("success") - 1} , + {LIBSSH2_PUBLICKEY_ACCESS_DENIED, "access denied", + sizeof("access denied") - 1}, + {LIBSSH2_PUBLICKEY_STORAGE_EXCEEDED, "storage exceeded", + sizeof("storage exceeded") - 1} , + {LIBSSH2_PUBLICKEY_VERSION_NOT_SUPPORTED, "version not supported", + sizeof("version not supported") - 1} , + {LIBSSH2_PUBLICKEY_KEY_NOT_FOUND, "key not found", + sizeof("key not found") - 1}, + {LIBSSH2_PUBLICKEY_KEY_NOT_SUPPORTED, "key not supported", + sizeof("key not supported") - 1}, + {LIBSSH2_PUBLICKEY_KEY_ALREADY_PRESENT, "key already present", + sizeof("key already present") - 1}, + {LIBSSH2_PUBLICKEY_GENERAL_FAILURE, "general failure", + sizeof("general failure") - 1}, + {LIBSSH2_PUBLICKEY_REQUEST_NOT_SUPPORTED, "request not supported", + sizeof("request not supported") - 1}, + {0, NULL, 0} +}; + +/* + * publickey_status_error + * + * Format an error message from a status code + */ +static void +publickey_status_error(const LIBSSH2_PUBLICKEY *pkey, + LIBSSH2_SESSION *session, int status) +{ + const char *msg; + + /* GENERAL_FAILURE got remapped between version 1 and 2 */ + if (status == 6 && pkey && pkey->version == 1) { + status = 7; + } + + if (status < 0 || status > LIBSSH2_PUBLICKEY_STATUS_CODE_MAX) { + msg = "unknown"; + } else { + msg = publickey_status_codes[status].name; + } + + _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_PROTOCOL, msg); +} + +/* + * publickey_packet_receive + * + * Read a packet from the subsystem + */ +static int +publickey_packet_receive(LIBSSH2_PUBLICKEY * pkey, + unsigned char **data, size_t *data_len) +{ + LIBSSH2_CHANNEL *channel = pkey->channel; + LIBSSH2_SESSION *session = channel->session; + unsigned char buffer[4]; + int rc; + + if (pkey->receive_state == libssh2_NB_state_idle) { + rc = _libssh2_channel_read(channel, 0, (char *) buffer, 4); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc != 4) { + return _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_PROTOCOL, + "Invalid response from publickey subsystem"); + } + + pkey->receive_packet_len = _libssh2_ntohu32(buffer); + pkey->receive_packet = + LIBSSH2_ALLOC(session, pkey->receive_packet_len); + if (!pkey->receive_packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate publickey response " + "buffer"); + } + + pkey->receive_state = libssh2_NB_state_sent; + } + + if (pkey->receive_state == libssh2_NB_state_sent) { + rc = _libssh2_channel_read(channel, 0, (char *) pkey->receive_packet, + pkey->receive_packet_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc != (int)pkey->receive_packet_len) { + LIBSSH2_FREE(session, pkey->receive_packet); + pkey->receive_packet = NULL; + pkey->receive_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_TIMEOUT, + "Timeout waiting for publickey subsystem " + "response packet"); + } + + *data = pkey->receive_packet; + *data_len = pkey->receive_packet_len; + } + + pkey->receive_state = libssh2_NB_state_idle; + + return 0; +} + +/* publickey_response_id + * + * Translate a string response name to a numeric code + * Data will be incremented by 4 + response_len on success only + */ +static int +publickey_response_id(unsigned char **pdata, size_t data_len) +{ + size_t response_len; + unsigned char *data = *pdata; + const LIBSSH2_PUBLICKEY_CODE_LIST *codes = publickey_response_codes; + + if (data_len < 4) { + /* Malformed response */ + return -1; + } + response_len = _libssh2_ntohu32(data); + data += 4; + data_len -= 4; + if (data_len < response_len) { + /* Malformed response */ + return -1; + } + + while (codes->name) { + if ((unsigned long)codes->name_len == response_len && + strncmp(codes->name, (char *) data, response_len) == 0) { + *pdata = data + response_len; + return codes->code; + } + codes++; + } + + return -1; +} + +/* publickey_response_success + * + * Generic helper routine to wait for success response and nothing else + */ +static int +publickey_response_success(LIBSSH2_PUBLICKEY * pkey) +{ + LIBSSH2_SESSION *session = pkey->channel->session; + unsigned char *data, *s; + size_t data_len; + int response; + + while (1) { + int rc = publickey_packet_receive(pkey, &data, &data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_TIMEOUT, + "Timeout waiting for response from " + "publickey subsystem"); + } + + s = data; + response = publickey_response_id(&s, data_len); + + switch (response) { + case LIBSSH2_PUBLICKEY_RESPONSE_STATUS: + /* Error, or processing complete */ + { + unsigned long status = _libssh2_ntohu32(s); + + LIBSSH2_FREE(session, data); + + if (status == LIBSSH2_PUBLICKEY_SUCCESS) + return 0; + + publickey_status_error(pkey, session, status); + return -1; + } + default: + LIBSSH2_FREE(session, data); + if (response < 0) { + return _libssh2_error(session, + LIBSSH2_ERROR_PUBLICKEY_PROTOCOL, + "Invalid publickey subsystem response"); + } + /* Unknown/Unexpected */ + _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_PROTOCOL, + "Unexpected publickey subsystem response"); + data = NULL; + } + } + /* never reached, but include `return` to silence compiler warnings */ + return -1; +} + +/* ***************** + * Publickey API * + ***************** */ + +/* + * publickey_init + * + * Startup the publickey subsystem + */ +static LIBSSH2_PUBLICKEY *publickey_init(LIBSSH2_SESSION *session) +{ + int response; + int rc; + + if (session->pkeyInit_state == libssh2_NB_state_idle) { + session->pkeyInit_data = NULL; + session->pkeyInit_pkey = NULL; + session->pkeyInit_channel = NULL; + + _libssh2_debug(session, LIBSSH2_TRACE_PUBLICKEY, + "Initializing publickey subsystem"); + + session->pkeyInit_state = libssh2_NB_state_allocated; + } + + if (session->pkeyInit_state == libssh2_NB_state_allocated) { + + session->pkeyInit_channel = + _libssh2_channel_open(session, "session", + sizeof("session") - 1, + LIBSSH2_CHANNEL_WINDOW_DEFAULT, + LIBSSH2_CHANNEL_PACKET_DEFAULT, NULL, + 0); + if (!session->pkeyInit_channel) { + if (libssh2_session_last_errno(session) == LIBSSH2_ERROR_EAGAIN) + /* The error state is already set, so leave it */ + return NULL; + _libssh2_error(session, LIBSSH2_ERROR_CHANNEL_FAILURE, + "Unable to startup channel"); + goto err_exit; + } + + session->pkeyInit_state = libssh2_NB_state_sent; + } + + if (session->pkeyInit_state == libssh2_NB_state_sent) { + rc = _libssh2_channel_process_startup(session->pkeyInit_channel, + "subsystem", + sizeof("subsystem") - 1, + "publickey", + sizeof("publickey") - 1); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block starting publickey subsystem"); + return NULL; + } else if (rc) { + _libssh2_error(session, LIBSSH2_ERROR_CHANNEL_FAILURE, + "Unable to request publickey subsystem"); + goto err_exit; + } + + session->pkeyInit_state = libssh2_NB_state_sent1; + } + + if (session->pkeyInit_state == libssh2_NB_state_sent1) { + unsigned char *s; + rc = _libssh2_channel_extended_data(session->pkeyInit_channel, + LIBSSH2_CHANNEL_EXTENDED_DATA_IGNORE); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block starting publickey subsystem"); + return NULL; + } + + session->pkeyInit_pkey = + LIBSSH2_ALLOC(session, sizeof(LIBSSH2_PUBLICKEY)); + if (!session->pkeyInit_pkey) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate a new publickey structure"); + goto err_exit; + } + memset(session->pkeyInit_pkey, 0, sizeof(LIBSSH2_PUBLICKEY)); + session->pkeyInit_pkey->channel = session->pkeyInit_channel; + session->pkeyInit_pkey->version = 0; + + s = session->pkeyInit_buffer; + _libssh2_htonu32(s, 4 + (sizeof("version") - 1) + 4); + s += 4; + _libssh2_htonu32(s, sizeof("version") - 1); + s += 4; + memcpy(s, "version", sizeof("version") - 1); + s += sizeof("version") - 1; + _libssh2_htonu32(s, LIBSSH2_PUBLICKEY_VERSION); + + session->pkeyInit_buffer_sent = 0; + + _libssh2_debug(session, LIBSSH2_TRACE_PUBLICKEY, + "Sending publickey advertising version %d support", + (int) LIBSSH2_PUBLICKEY_VERSION); + + session->pkeyInit_state = libssh2_NB_state_sent2; + } + + if (session->pkeyInit_state == libssh2_NB_state_sent2) { + rc = _libssh2_channel_write(session->pkeyInit_channel, 0, + session->pkeyInit_buffer, + 19 - session->pkeyInit_buffer_sent); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block sending publickey version packet"); + return NULL; + } else if (rc) { + _libssh2_error(session, rc, + "Unable to send publickey version packet"); + goto err_exit; + } + session->pkeyInit_buffer_sent += rc; + if(session->pkeyInit_buffer_sent < 19) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Need to be called again to complete this"); + return NULL; + } + + session->pkeyInit_state = libssh2_NB_state_sent3; + } + + if (session->pkeyInit_state == libssh2_NB_state_sent3) { + while (1) { + unsigned char *s; + rc = publickey_packet_receive(session->pkeyInit_pkey, + &session->pkeyInit_data, + &session->pkeyInit_data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block waiting for response from " + "publickey subsystem"); + return NULL; + } else if (rc) { + _libssh2_error(session, LIBSSH2_ERROR_SOCKET_TIMEOUT, + "Timeout waiting for response from " + "publickey subsystem"); + goto err_exit; + } + + s = session->pkeyInit_data; + if ((response = + publickey_response_id(&s, session->pkeyInit_data_len)) < 0) { + _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_PROTOCOL, + "Invalid publickey subsystem response code"); + goto err_exit; + } + + switch (response) { + case LIBSSH2_PUBLICKEY_RESPONSE_STATUS: + /* Error */ + { + unsigned long status, descr_len, lang_len; + + status = _libssh2_ntohu32(s); + s += 4; + descr_len = _libssh2_ntohu32(s); + s += 4; + /* description starts here */ + s += descr_len; + lang_len = _libssh2_ntohu32(s); + s += 4; + /* lang starts here */ + s += lang_len; + + if (s > + session->pkeyInit_data + session->pkeyInit_data_len) { + _libssh2_error(session, + LIBSSH2_ERROR_PUBLICKEY_PROTOCOL, + "Malformed publickey subsystem packet"); + goto err_exit; + } + + publickey_status_error(NULL, session, status); + + goto err_exit; + } + + case LIBSSH2_PUBLICKEY_RESPONSE_VERSION: + /* What we want */ + session->pkeyInit_pkey->version = _libssh2_ntohu32(s); + if (session->pkeyInit_pkey->version > + LIBSSH2_PUBLICKEY_VERSION) { + _libssh2_debug(session, LIBSSH2_TRACE_PUBLICKEY, + "Truncate remote publickey version from %lu", + session->pkeyInit_pkey->version); + session->pkeyInit_pkey->version = + LIBSSH2_PUBLICKEY_VERSION; + } + _libssh2_debug(session, LIBSSH2_TRACE_PUBLICKEY, + "Enabling publickey subsystem version %lu", + session->pkeyInit_pkey->version); + LIBSSH2_FREE(session, session->pkeyInit_data); + session->pkeyInit_data = NULL; + session->pkeyInit_state = libssh2_NB_state_idle; + return session->pkeyInit_pkey; + + default: + /* Unknown/Unexpected */ + _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_PROTOCOL, + "Unexpected publickey subsystem response, " + "ignoring"); + LIBSSH2_FREE(session, session->pkeyInit_data); + session->pkeyInit_data = NULL; + } + } + } + + /* Never reached except by direct goto */ + err_exit: + session->pkeyInit_state = libssh2_NB_state_sent4; + if (session->pkeyInit_channel) { + rc = _libssh2_channel_close(session->pkeyInit_channel); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block closing channel"); + return NULL; + } + } + if (session->pkeyInit_pkey) { + LIBSSH2_FREE(session, session->pkeyInit_pkey); + session->pkeyInit_pkey = NULL; + } + if (session->pkeyInit_data) { + LIBSSH2_FREE(session, session->pkeyInit_data); + session->pkeyInit_data = NULL; + } + session->pkeyInit_state = libssh2_NB_state_idle; + return NULL; +} + +/* + * libssh2_publickey_init + * + * Startup the publickey subsystem + */ +LIBSSH2_API LIBSSH2_PUBLICKEY * +libssh2_publickey_init(LIBSSH2_SESSION *session) +{ + LIBSSH2_PUBLICKEY *ptr; + + BLOCK_ADJUST_ERRNO(ptr, session, + publickey_init(session)); + return ptr; +} + + + +/* + * libssh2_publickey_add_ex + * + * Add a new public key entry + */ +LIBSSH2_API int +libssh2_publickey_add_ex(LIBSSH2_PUBLICKEY *pkey, const unsigned char *name, + unsigned long name_len, const unsigned char *blob, + unsigned long blob_len, char overwrite, + unsigned long num_attrs, + const libssh2_publickey_attribute attrs[]) +{ + LIBSSH2_CHANNEL *channel; + LIBSSH2_SESSION *session; + /* 19 = packet_len(4) + add_len(4) + "add"(3) + name_len(4) + {name} + blob_len(4) + {blob} */ + unsigned long i, packet_len = 19 + name_len + blob_len; + unsigned char *comment = NULL; + unsigned long comment_len = 0; + int rc; + + if(!pkey) + return LIBSSH2_ERROR_BAD_USE; + + channel = pkey->channel; + session = channel->session; + + if (pkey->add_state == libssh2_NB_state_idle) { + pkey->add_packet = NULL; + + _libssh2_debug(session, LIBSSH2_TRACE_PUBLICKEY, "Adding %s publickey", + name); + + if (pkey->version == 1) { + for(i = 0; i < num_attrs; i++) { + /* Search for a comment attribute */ + if (attrs[i].name_len == (sizeof("comment") - 1) && + strncmp(attrs[i].name, "comment", + sizeof("comment") - 1) == 0) { + comment = (unsigned char *) attrs[i].value; + comment_len = attrs[i].value_len; + break; + } + } + packet_len += 4 + comment_len; + } else { + packet_len += 5; /* overwrite(1) + attribute_count(4) */ + for(i = 0; i < num_attrs; i++) { + packet_len += 9 + attrs[i].name_len + attrs[i].value_len; + /* name_len(4) + value_len(4) + mandatory(1) */ + } + } + + pkey->add_packet = LIBSSH2_ALLOC(session, packet_len); + if (!pkey->add_packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "publickey \"add\" packet"); + } + + pkey->add_s = pkey->add_packet; + _libssh2_htonu32(pkey->add_s, packet_len - 4); + pkey->add_s += 4; + _libssh2_htonu32(pkey->add_s, sizeof("add") - 1); + pkey->add_s += 4; + memcpy(pkey->add_s, "add", sizeof("add") - 1); + pkey->add_s += sizeof("add") - 1; + if (pkey->version == 1) { + _libssh2_htonu32(pkey->add_s, comment_len); + pkey->add_s += 4; + if (comment) { + memcpy(pkey->add_s, comment, comment_len); + pkey->add_s += comment_len; + } + + _libssh2_htonu32(pkey->add_s, name_len); + pkey->add_s += 4; + memcpy(pkey->add_s, name, name_len); + pkey->add_s += name_len; + _libssh2_htonu32(pkey->add_s, blob_len); + pkey->add_s += 4; + memcpy(pkey->add_s, blob, blob_len); + pkey->add_s += blob_len; + } else { + /* Version == 2 */ + + _libssh2_htonu32(pkey->add_s, name_len); + pkey->add_s += 4; + memcpy(pkey->add_s, name, name_len); + pkey->add_s += name_len; + _libssh2_htonu32(pkey->add_s, blob_len); + pkey->add_s += 4; + memcpy(pkey->add_s, blob, blob_len); + pkey->add_s += blob_len; + *(pkey->add_s++) = overwrite ? 0x01 : 0; + _libssh2_htonu32(pkey->add_s, num_attrs); + pkey->add_s += 4; + for(i = 0; i < num_attrs; i++) { + _libssh2_htonu32(pkey->add_s, attrs[i].name_len); + pkey->add_s += 4; + memcpy(pkey->add_s, attrs[i].name, attrs[i].name_len); + pkey->add_s += attrs[i].name_len; + _libssh2_htonu32(pkey->add_s, attrs[i].value_len); + pkey->add_s += 4; + memcpy(pkey->add_s, attrs[i].value, attrs[i].value_len); + pkey->add_s += attrs[i].value_len; + *(pkey->add_s++) = attrs[i].mandatory ? 0x01 : 0; + } + } + + _libssh2_debug(session, LIBSSH2_TRACE_PUBLICKEY, + "Sending publickey \"add\" packet: " + "type=%s blob_len=%ld num_attrs=%ld", + name, blob_len, num_attrs); + + pkey->add_state = libssh2_NB_state_created; + } + + if (pkey->add_state == libssh2_NB_state_created) { + rc = _libssh2_channel_write(channel, 0, pkey->add_packet, + (pkey->add_s - pkey->add_packet)); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if ((pkey->add_s - pkey->add_packet) != rc) { + LIBSSH2_FREE(session, pkey->add_packet); + pkey->add_packet = NULL; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send publickey add packet"); + } + LIBSSH2_FREE(session, pkey->add_packet); + pkey->add_packet = NULL; + + pkey->add_state = libssh2_NB_state_sent; + } + + rc = publickey_response_success(pkey); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } + + pkey->add_state = libssh2_NB_state_idle; + + return rc; +} + +/* libssh2_publickey_remove_ex + * Remove an existing publickey so that authentication can no longer be + * performed using it + */ +LIBSSH2_API int +libssh2_publickey_remove_ex(LIBSSH2_PUBLICKEY * pkey, + const unsigned char *name, unsigned long name_len, + const unsigned char *blob, unsigned long blob_len) +{ + LIBSSH2_CHANNEL *channel; + LIBSSH2_SESSION *session; + /* 22 = packet_len(4) + remove_len(4) + "remove"(6) + name_len(4) + {name} + + blob_len(4) + {blob} */ + unsigned long packet_len = 22 + name_len + blob_len; + int rc; + + if(!pkey) + return LIBSSH2_ERROR_BAD_USE; + + channel = pkey->channel; + session = channel->session; + + if (pkey->remove_state == libssh2_NB_state_idle) { + pkey->remove_packet = NULL; + + pkey->remove_packet = LIBSSH2_ALLOC(session, packet_len); + if (!pkey->remove_packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "publickey \"remove\" packet"); + } + + pkey->remove_s = pkey->remove_packet; + _libssh2_htonu32(pkey->remove_s, packet_len - 4); + pkey->remove_s += 4; + _libssh2_htonu32(pkey->remove_s, sizeof("remove") - 1); + pkey->remove_s += 4; + memcpy(pkey->remove_s, "remove", sizeof("remove") - 1); + pkey->remove_s += sizeof("remove") - 1; + _libssh2_htonu32(pkey->remove_s, name_len); + pkey->remove_s += 4; + memcpy(pkey->remove_s, name, name_len); + pkey->remove_s += name_len; + _libssh2_htonu32(pkey->remove_s, blob_len); + pkey->remove_s += 4; + memcpy(pkey->remove_s, blob, blob_len); + pkey->remove_s += blob_len; + + _libssh2_debug(session, LIBSSH2_TRACE_PUBLICKEY, + "Sending publickey \"remove\" packet: " + "type=%s blob_len=%ld", + name, blob_len); + + pkey->remove_state = libssh2_NB_state_created; + } + + if (pkey->remove_state == libssh2_NB_state_created) { + rc = _libssh2_channel_write(channel, 0, pkey->remove_packet, + (pkey->remove_s - pkey->remove_packet)); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if ((pkey->remove_s - pkey->remove_packet) != rc) { + LIBSSH2_FREE(session, pkey->remove_packet); + pkey->remove_packet = NULL; + pkey->remove_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send publickey remove packet"); + } + LIBSSH2_FREE(session, pkey->remove_packet); + pkey->remove_packet = NULL; + + pkey->remove_state = libssh2_NB_state_sent; + } + + rc = publickey_response_success(pkey); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } + + pkey->remove_state = libssh2_NB_state_idle; + + return rc; +} + +/* libssh2_publickey_list_fetch + * Fetch a list of supported public key from a server + */ +LIBSSH2_API int +libssh2_publickey_list_fetch(LIBSSH2_PUBLICKEY * pkey, unsigned long *num_keys, + libssh2_publickey_list ** pkey_list) +{ + LIBSSH2_CHANNEL *channel; + LIBSSH2_SESSION *session; + libssh2_publickey_list *list = NULL; + unsigned long buffer_len = 12, keys = 0, max_keys = 0, i; + /* 12 = packet_len(4) + list_len(4) + "list"(4) */ + int response; + int rc; + + if(!pkey) + return LIBSSH2_ERROR_BAD_USE; + + channel = pkey->channel; + session = channel->session; + + if (pkey->listFetch_state == libssh2_NB_state_idle) { + pkey->listFetch_data = NULL; + + pkey->listFetch_s = pkey->listFetch_buffer; + _libssh2_htonu32(pkey->listFetch_s, buffer_len - 4); + pkey->listFetch_s += 4; + _libssh2_htonu32(pkey->listFetch_s, sizeof("list") - 1); + pkey->listFetch_s += 4; + memcpy(pkey->listFetch_s, "list", sizeof("list") - 1); + pkey->listFetch_s += sizeof("list") - 1; + + _libssh2_debug(session, LIBSSH2_TRACE_PUBLICKEY, + "Sending publickey \"list\" packet"); + + pkey->listFetch_state = libssh2_NB_state_created; + } + + if (pkey->listFetch_state == libssh2_NB_state_created) { + rc = _libssh2_channel_write(channel, 0, + pkey->listFetch_buffer, + (pkey->listFetch_s - + pkey->listFetch_buffer)); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if ((pkey->listFetch_s - pkey->listFetch_buffer) != rc) { + pkey->listFetch_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send publickey list packet"); + } + + pkey->listFetch_state = libssh2_NB_state_sent; + } + + while (1) { + rc = publickey_packet_receive(pkey, &pkey->listFetch_data, + &pkey->listFetch_data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + _libssh2_error(session, LIBSSH2_ERROR_SOCKET_TIMEOUT, + "Timeout waiting for response from " + "publickey subsystem"); + goto err_exit; + } + + pkey->listFetch_s = pkey->listFetch_data; + if ((response = + publickey_response_id(&pkey->listFetch_s, + pkey->listFetch_data_len)) < 0) { + _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_PROTOCOL, + "Invalid publickey subsystem response code"); + goto err_exit; + } + + switch (response) { + case LIBSSH2_PUBLICKEY_RESPONSE_STATUS: + /* Error, or processing complete */ + { + unsigned long status, descr_len, lang_len; + + status = _libssh2_ntohu32(pkey->listFetch_s); + pkey->listFetch_s += 4; + descr_len = _libssh2_ntohu32(pkey->listFetch_s); + pkey->listFetch_s += 4; + /* description starts at pkey->listFetch_s */ + pkey->listFetch_s += descr_len; + lang_len = _libssh2_ntohu32(pkey->listFetch_s); + pkey->listFetch_s += 4; + /* lang starts at pkey->listFetch_s */ + pkey->listFetch_s += lang_len; + + if (pkey->listFetch_s > + pkey->listFetch_data + pkey->listFetch_data_len) { + _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_PROTOCOL, + "Malformed publickey subsystem packet"); + goto err_exit; + } + + if (status == LIBSSH2_PUBLICKEY_SUCCESS) { + LIBSSH2_FREE(session, pkey->listFetch_data); + pkey->listFetch_data = NULL; + *pkey_list = list; + *num_keys = keys; + pkey->listFetch_state = libssh2_NB_state_idle; + return 0; + } + + publickey_status_error(pkey, session, status); + goto err_exit; + } + case LIBSSH2_PUBLICKEY_RESPONSE_PUBLICKEY: + /* What we want */ + if (keys >= max_keys) { + libssh2_publickey_list *newlist; + /* Grow the key list if necessary */ + max_keys += 8; + newlist = + LIBSSH2_REALLOC(session, list, + (max_keys + + 1) * sizeof(libssh2_publickey_list)); + if (!newlist) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "publickey list"); + goto err_exit; + } + list = newlist; + } + if (pkey->version == 1) { + unsigned long comment_len; + + comment_len = _libssh2_ntohu32(pkey->listFetch_s); + pkey->listFetch_s += 4; + if (comment_len) { + list[keys].num_attrs = 1; + list[keys].attrs = + LIBSSH2_ALLOC(session, + sizeof(libssh2_publickey_attribute)); + if (!list[keys].attrs) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "publickey attributes"); + goto err_exit; + } + list[keys].attrs[0].name = "comment"; + list[keys].attrs[0].name_len = sizeof("comment") - 1; + list[keys].attrs[0].value = (char *) pkey->listFetch_s; + list[keys].attrs[0].value_len = comment_len; + list[keys].attrs[0].mandatory = 0; + + pkey->listFetch_s += comment_len; + } else { + list[keys].num_attrs = 0; + list[keys].attrs = NULL; + } + list[keys].name_len = _libssh2_ntohu32(pkey->listFetch_s); + pkey->listFetch_s += 4; + list[keys].name = pkey->listFetch_s; + pkey->listFetch_s += list[keys].name_len; + list[keys].blob_len = _libssh2_ntohu32(pkey->listFetch_s); + pkey->listFetch_s += 4; + list[keys].blob = pkey->listFetch_s; + pkey->listFetch_s += list[keys].blob_len; + } else { + /* Version == 2 */ + list[keys].name_len = _libssh2_ntohu32(pkey->listFetch_s); + pkey->listFetch_s += 4; + list[keys].name = pkey->listFetch_s; + pkey->listFetch_s += list[keys].name_len; + list[keys].blob_len = _libssh2_ntohu32(pkey->listFetch_s); + pkey->listFetch_s += 4; + list[keys].blob = pkey->listFetch_s; + pkey->listFetch_s += list[keys].blob_len; + list[keys].num_attrs = _libssh2_ntohu32(pkey->listFetch_s); + pkey->listFetch_s += 4; + if (list[keys].num_attrs) { + list[keys].attrs = + LIBSSH2_ALLOC(session, + list[keys].num_attrs * + sizeof(libssh2_publickey_attribute)); + if (!list[keys].attrs) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "publickey attributes"); + goto err_exit; + } + for(i = 0; i < list[keys].num_attrs; i++) { + list[keys].attrs[i].name_len = + _libssh2_ntohu32(pkey->listFetch_s); + pkey->listFetch_s += 4; + list[keys].attrs[i].name = (char *) pkey->listFetch_s; + pkey->listFetch_s += list[keys].attrs[i].name_len; + list[keys].attrs[i].value_len = + _libssh2_ntohu32(pkey->listFetch_s); + pkey->listFetch_s += 4; + list[keys].attrs[i].value = (char *) pkey->listFetch_s; + pkey->listFetch_s += list[keys].attrs[i].value_len; + + /* actually an ignored value */ + list[keys].attrs[i].mandatory = 0; + } + } else { + list[keys].attrs = NULL; + } + } + /* To be FREEd in libssh2_publickey_list_free() */ + list[keys].packet = pkey->listFetch_data; + keys++; + + list[keys].packet = NULL; /* Terminate the list */ + pkey->listFetch_data = NULL; + break; + default: + /* Unknown/Unexpected */ + _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_PROTOCOL, + "Unexpected publickey subsystem response"); + LIBSSH2_FREE(session, pkey->listFetch_data); + pkey->listFetch_data = NULL; + } + } + + /* Only reached via explicit goto */ + err_exit: + if (pkey->listFetch_data) { + LIBSSH2_FREE(session, pkey->listFetch_data); + pkey->listFetch_data = NULL; + } + if (list) { + libssh2_publickey_list_free(pkey, list); + } + pkey->listFetch_state = libssh2_NB_state_idle; + return -1; +} + +/* libssh2_publickey_list_free + * Free a previously fetched list of public keys + */ +LIBSSH2_API void +libssh2_publickey_list_free(LIBSSH2_PUBLICKEY * pkey, + libssh2_publickey_list * pkey_list) +{ + LIBSSH2_SESSION *session; + libssh2_publickey_list *p = pkey_list; + + if(!pkey || !p) + return; + + session = pkey->channel->session; + + while (p->packet) { + if (p->attrs) { + LIBSSH2_FREE(session, p->attrs); + } + LIBSSH2_FREE(session, p->packet); + p++; + } + + LIBSSH2_FREE(session, pkey_list); +} + +/* libssh2_publickey_shutdown + * Shutdown the publickey subsystem + */ +LIBSSH2_API int +libssh2_publickey_shutdown(LIBSSH2_PUBLICKEY *pkey) +{ + LIBSSH2_SESSION *session; + int rc; + + if(!pkey) + return LIBSSH2_ERROR_BAD_USE; + + session = pkey->channel->session; + + /* + * Make sure all memory used in the state variables are free + */ + if (pkey->receive_packet) { + LIBSSH2_FREE(session, pkey->receive_packet); + pkey->receive_packet = NULL; + } + if (pkey->add_packet) { + LIBSSH2_FREE(session, pkey->add_packet); + pkey->add_packet = NULL; + } + if (pkey->remove_packet) { + LIBSSH2_FREE(session, pkey->remove_packet); + pkey->remove_packet = NULL; + } + if (pkey->listFetch_data) { + LIBSSH2_FREE(session, pkey->listFetch_data); + pkey->listFetch_data = NULL; + } + + rc = _libssh2_channel_free(pkey->channel); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + + LIBSSH2_FREE(session, pkey); + return 0; +} diff --git a/vendor/libssh2-1.4.2/src/scp.c b/vendor/libssh2-1.4.2/src/scp.c new file mode 100644 index 0000000..6401dac --- /dev/null +++ b/vendor/libssh2-1.4.2/src/scp.c @@ -0,0 +1,1085 @@ +/* Copyright (c) 2009-2010 by Daniel Stenberg + * Copyright (c) 2004-2008, Sara Golemon + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" +#include +#include + +#include "channel.h" +#include "session.h" + + +/* Max. length of a quoted string after libssh2_shell_quotearg() processing */ +#define _libssh2_shell_quotedsize(s) (3 * strlen(s) + 2) + +/* + This function quotes a string in a way suitable to be used with a + shell, e.g. the file name + one two + becomes + 'one two' + + The resulting output string is crafted in a way that makes it usable + with the two most common shell types: Bourne Shell derived shells + (sh, ksh, ksh93, bash, zsh) and C-Shell derivates (csh, tcsh). + + The following special cases are handled: + o If the string contains an apostrophy itself, the apostrophy + character is written in quotation marks, e.g. "'". + The shell cannot handle the syntax 'doesn\'t', so we close the + current argument word, add the apostrophe in quotation marks "", + and open a new argument word instead (_ indicate the input + string characters): + _____ _ _ + 'doesn' "'" 't' + + Sequences of apostrophes are combined in one pair of quotation marks: + a'''b + becomes + _ ___ _ + 'a'"'''"'b' + + o If the string contains an exclamation mark (!), the C-Shell + interprets it as an event number. Using \! (not within quotation + marks or single quotation marks) is a mechanism understood by + both Bourne Shell and C-Shell. + + If a quotation was already started, the argument word is closed + first: + a!b + + become + _ _ _ + 'a'\!'b' + + The result buffer must be large enough for the expanded result. A + bad case regarding expansion is alternating characters and + apostrophes: + + a'b'c'd' (length 8) gets converted to + 'a'"'"'b'"'"'c'"'"'d'"'" (length 24) + + This is the worst case. + + Maximum length of the result: + 1 + 6 * (length(input) + 1) / 2) + 1 + + => 3 * length(input) + 2 + + Explanation: + o leading apostrophe + o one character / apostrophe pair (two characters) can get + represented as 6 characters: a' -> a'"'"' + o String terminator (+1) + + A result buffer three times the size of the input buffer + 2 + characters should be safe. + + References: + o csh-compatible quotation (special handling for '!' etc.), see + http://www.grymoire.com/Unix/Csh.html#toc-uh-10 + + Return value: + Length of the resulting string (not counting the terminating '\0'), + or 0 in case of errors, e.g. result buffer too small + + Note: this function could possible be used elsewhere within libssh2, but + until then it is kept static and in this source file. +*/ + +static unsigned +shell_quotearg(const char *path, unsigned char *buf, + unsigned bufsize) +{ + const char *src; + unsigned char *dst, *endp; + + /* + * Processing States: + * UQSTRING: unquoted string: ... -- used for quoting exclamation + * marks. This is the initial state + * SQSTRING: single-qouted-string: '... -- any character may follow + * QSTRING: quoted string: "... -- only apostrophes may follow + */ + enum { UQSTRING, SQSTRING, QSTRING } state = UQSTRING; + + endp = &buf[bufsize]; + src = path; + dst = buf; + while (*src && dst < endp - 1) { + + switch (*src) { + /* + * Special handling for apostrophe. + * An apostrophe is always written in quotation marks, e.g. + * ' -> "'". + */ + + case '\'': + switch (state) { + case UQSTRING: /* Unquoted string */ + if (dst+1 >= endp) + return 0; + *dst++ = '"'; + break; + case QSTRING: /* Continue quoted string */ + break; + case SQSTRING: /* Close single quoted string */ + if (dst+2 >= endp) + return 0; + *dst++ = '\''; + *dst++ = '"'; + break; + default: + break; + } + state = QSTRING; + break; + + /* + * Special handling for exclamation marks. CSH interprets + * exclamation marks even when quoted with apostrophes. We convert + * it to the plain string \!, because both Bourne Shell and CSH + * interpret that as a verbatim exclamation mark. + */ + + case '!': + switch (state) { + case UQSTRING: + if (dst+1 >= endp) + return 0; + *dst++ = '\\'; + break; + case QSTRING: + if (dst+2 >= endp) + return 0; + *dst++ = '"'; /* Closing quotation mark */ + *dst++ = '\\'; + break; + case SQSTRING: /* Close single quoted string */ + if (dst+2 >= endp) + return 0; + *dst++ = '\''; + *dst++ = '\\'; + break; + default: + break; + } + state = UQSTRING; + break; + + /* + * Ordinary character: prefer single-quoted string + */ + + default: + switch (state) { + case UQSTRING: + if (dst+1 >= endp) + return 0; + *dst++ = '\''; + break; + case QSTRING: + if (dst+2 >= endp) + return 0; + *dst++ = '"'; /* Closing quotation mark */ + *dst++ = '\''; + break; + case SQSTRING: /* Continue single quoted string */ + break; + default: + break; + } + state = SQSTRING; /* Start single-quoted string */ + break; + } + + if (dst+1 >= endp) + return 0; + *dst++ = *src++; + } + + switch (state) { + case UQSTRING: + break; + case QSTRING: /* Close quoted string */ + if (dst+1 >= endp) + return 0; + *dst++ = '"'; + break; + case SQSTRING: /* Close single quoted string */ + if (dst+1 >= endp) + return 0; + *dst++ = '\''; + break; + default: + break; + } + + if (dst+1 >= endp) + return 0; + *dst = '\0'; + + /* The result cannot be larger than 3 * strlen(path) + 2 */ + /* assert((dst - buf) <= (3 * (src - path) + 2)); */ + + return dst - buf; +} + +/* + * scp_recv + * + * Open a channel and request a remote file via SCP + * + */ +static LIBSSH2_CHANNEL * +scp_recv(LIBSSH2_SESSION * session, const char *path, struct stat * sb) +{ + int cmd_len; + int rc; + int tmp_err_code; + const char *tmp_err_msg; + + if (session->scpRecv_state == libssh2_NB_state_idle) { + session->scpRecv_mode = 0; + session->scpRecv_size = 0; + session->scpRecv_mtime = 0; + session->scpRecv_atime = 0; + + session->scpRecv_command_len = + _libssh2_shell_quotedsize(path) + sizeof("scp -f ") + (sb?1:0); + + session->scpRecv_command = + LIBSSH2_ALLOC(session, session->scpRecv_command_len); + + if (!session->scpRecv_command) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate a command buffer for " + "SCP session"); + return NULL; + } + + snprintf((char *)session->scpRecv_command, + session->scpRecv_command_len, "scp -%sf ", sb?"p":""); + + cmd_len = strlen((char *)session->scpRecv_command); + + (void) shell_quotearg(path, + &session->scpRecv_command[cmd_len], + session->scpRecv_command_len - cmd_len); + + + _libssh2_debug(session, LIBSSH2_TRACE_SCP, + "Opening channel for SCP receive"); + + session->scpRecv_state = libssh2_NB_state_created; + } + + if (session->scpRecv_state == libssh2_NB_state_created) { + /* Allocate a channel */ + session->scpRecv_channel = + _libssh2_channel_open(session, "session", + sizeof("session") - 1, + LIBSSH2_CHANNEL_WINDOW_DEFAULT, + LIBSSH2_CHANNEL_PACKET_DEFAULT, NULL, + 0); + if (!session->scpRecv_channel) { + if (libssh2_session_last_errno(session) != + LIBSSH2_ERROR_EAGAIN) { + LIBSSH2_FREE(session, session->scpRecv_command); + session->scpRecv_command = NULL; + session->scpRecv_state = libssh2_NB_state_idle; + } + else { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block starting up channel"); + } + return NULL; + } + + session->scpRecv_state = libssh2_NB_state_sent; + } + + if (session->scpRecv_state == libssh2_NB_state_sent) { + /* Request SCP for the desired file */ + rc = _libssh2_channel_process_startup(session->scpRecv_channel, "exec", + sizeof("exec") - 1, + (char *) session->scpRecv_command, + session->scpRecv_command_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block requesting SCP startup"); + return NULL; + } else if (rc) { + LIBSSH2_FREE(session, session->scpRecv_command); + session->scpRecv_command = NULL; + goto scp_recv_error; + } + LIBSSH2_FREE(session, session->scpRecv_command); + session->scpRecv_command = NULL; + + _libssh2_debug(session, LIBSSH2_TRACE_SCP, "Sending initial wakeup"); + /* SCP ACK */ + session->scpRecv_response[0] = '\0'; + + session->scpRecv_state = libssh2_NB_state_sent1; + } + + if (session->scpRecv_state == libssh2_NB_state_sent1) { + rc = _libssh2_channel_write(session->scpRecv_channel, 0, + session->scpRecv_response, 1); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block sending initial wakeup"); + return NULL; + } else if (rc != 1) { + goto scp_recv_error; + } + + /* Parse SCP response */ + session->scpRecv_response_len = 0; + + session->scpRecv_state = libssh2_NB_state_sent2; + } + + if ((session->scpRecv_state == libssh2_NB_state_sent2) + || (session->scpRecv_state == libssh2_NB_state_sent3)) { + while (sb && (session->scpRecv_response_len < + LIBSSH2_SCP_RESPONSE_BUFLEN)) { + unsigned char *s, *p; + + if (session->scpRecv_state == libssh2_NB_state_sent2) { + rc = _libssh2_channel_read(session->scpRecv_channel, 0, + (char *) session-> + scpRecv_response + + session->scpRecv_response_len, 1); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block waiting for SCP response"); + return NULL; + } + else if (rc < 0) { + /* error, give up */ + _libssh2_error(session, rc, "Failed reading SCP response"); + goto scp_recv_error; + } + else if(rc == 0) + goto scp_recv_empty_channel; + + session->scpRecv_response_len++; + + if (session->scpRecv_response[0] != 'T') { + size_t err_len; + char *err_msg; + + /* there can be + 01 for warnings + 02 for errors + + The following string MUST be newline terminated + */ + err_len = + _libssh2_channel_packet_data_len(session-> + scpRecv_channel, 0); + err_msg = LIBSSH2_ALLOC(session, err_len + 1); + if (!err_msg) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Failed to get memory "); + goto scp_recv_error; + } + + /* Read the remote error message */ + (void)_libssh2_channel_read(session->scpRecv_channel, 0, + err_msg, err_len); + /* If it failed for any reason, we ignore it anyway. */ + + /* zero terminate the error */ + err_msg[err_len]=0; + + _libssh2_debug(session, LIBSSH2_TRACE_SCP, + "got %02x %s", session->scpRecv_response[0], + err_msg); + + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Failed to recv file"); + + LIBSSH2_FREE(session, err_msg); + goto scp_recv_error; + } + + if ((session->scpRecv_response_len > 1) && + ((session-> + scpRecv_response[session->scpRecv_response_len - 1] < + '0') + || (session-> + scpRecv_response[session->scpRecv_response_len - 1] > + '9')) + && (session-> + scpRecv_response[session->scpRecv_response_len - 1] != + ' ') + && (session-> + scpRecv_response[session->scpRecv_response_len - 1] != + '\r') + && (session-> + scpRecv_response[session->scpRecv_response_len - 1] != + '\n')) { + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid data in SCP response"); + goto scp_recv_error; + } + + if ((session->scpRecv_response_len < 9) + || (session-> + scpRecv_response[session->scpRecv_response_len - 1] != + '\n')) { + if (session->scpRecv_response_len == + LIBSSH2_SCP_RESPONSE_BUFLEN) { + /* You had your chance */ + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Unterminated response from SCP server"); + goto scp_recv_error; + } + /* Way too short to be an SCP response, or not done yet, + short circuit */ + continue; + } + + /* We're guaranteed not to go under response_len == 0 by the + logic above */ + while ((session-> + scpRecv_response[session->scpRecv_response_len - 1] == + '\r') + || (session-> + scpRecv_response[session->scpRecv_response_len - + 1] == '\n')) + session->scpRecv_response_len--; + session->scpRecv_response[session->scpRecv_response_len] = + '\0'; + + if (session->scpRecv_response_len < 8) { + /* EOL came too soon */ + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid response from SCP server, " + "too short" ); + goto scp_recv_error; + } + + s = session->scpRecv_response + 1; + + p = (unsigned char *) strchr((char *) s, ' '); + if (!p || ((p - s) <= 0)) { + /* No spaces or space in the wrong spot */ + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid response from SCP server, " + "malformed mtime"); + goto scp_recv_error; + } + + *(p++) = '\0'; + /* Make sure we don't get fooled by leftover values */ + session->scpRecv_mtime = strtol((char *) s, NULL, 10); + + s = (unsigned char *) strchr((char *) p, ' '); + if (!s || ((s - p) <= 0)) { + /* No spaces or space in the wrong spot */ + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid response from SCP server, malformed mtime.usec"); + goto scp_recv_error; + } + + /* Ignore mtime.usec */ + s++; + p = (unsigned char *) strchr((char *) s, ' '); + if (!p || ((p - s) <= 0)) { + /* No spaces or space in the wrong spot */ + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid response from SCP server, too short or malformed"); + goto scp_recv_error; + } + + *p = '\0'; + /* Make sure we don't get fooled by leftover values */ + session->scpRecv_atime = strtol((char *) s, NULL, 10); + + /* SCP ACK */ + session->scpRecv_response[0] = '\0'; + + session->scpRecv_state = libssh2_NB_state_sent3; + } + + if (session->scpRecv_state == libssh2_NB_state_sent3) { + rc = _libssh2_channel_write(session->scpRecv_channel, 0, + session->scpRecv_response, 1); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block waiting to send SCP ACK"); + return NULL; + } else if (rc != 1) { + goto scp_recv_error; + } + + _libssh2_debug(session, LIBSSH2_TRACE_SCP, + "mtime = %ld, atime = %ld", + session->scpRecv_mtime, session->scpRecv_atime); + + /* We *should* check that atime.usec is valid, but why let + that stop use? */ + break; + } + } + + session->scpRecv_state = libssh2_NB_state_sent4; + } + + if (session->scpRecv_state == libssh2_NB_state_sent4) { + session->scpRecv_response_len = 0; + + session->scpRecv_state = libssh2_NB_state_sent5; + } + + if ((session->scpRecv_state == libssh2_NB_state_sent5) + || (session->scpRecv_state == libssh2_NB_state_sent6)) { + while (session->scpRecv_response_len < LIBSSH2_SCP_RESPONSE_BUFLEN) { + char *s, *p, *e = NULL; + + if (session->scpRecv_state == libssh2_NB_state_sent5) { + rc = _libssh2_channel_read(session->scpRecv_channel, 0, + (char *) session-> + scpRecv_response + + session->scpRecv_response_len, 1); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block waiting for SCP response"); + return NULL; + } + else if (rc < 0) { + /* error, bail out*/ + _libssh2_error(session, rc, "Failed reading SCP response"); + goto scp_recv_error; + } + else if(rc == 0) + goto scp_recv_empty_channel; + + session->scpRecv_response_len++; + + if (session->scpRecv_response[0] != 'C') { + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid response from SCP server"); + goto scp_recv_error; + } + + if ((session->scpRecv_response_len > 1) && + (session-> + scpRecv_response[session->scpRecv_response_len - 1] != + '\r') + && (session-> + scpRecv_response[session->scpRecv_response_len - 1] != + '\n') + && + (session-> + scpRecv_response[session->scpRecv_response_len - 1] + < 32)) { + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid data in SCP response"); + goto scp_recv_error; + } + + if ((session->scpRecv_response_len < 7) + || (session-> + scpRecv_response[session->scpRecv_response_len - 1] != + '\n')) { + if (session->scpRecv_response_len == + LIBSSH2_SCP_RESPONSE_BUFLEN) { + /* You had your chance */ + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Unterminated response from SCP server"); + goto scp_recv_error; + } + /* Way too short to be an SCP response, or not done yet, + short circuit */ + continue; + } + + /* We're guaranteed not to go under response_len == 0 by the + logic above */ + while ((session-> + scpRecv_response[session->scpRecv_response_len - 1] == + '\r') + || (session-> + scpRecv_response[session->scpRecv_response_len - + 1] == '\n')) { + session->scpRecv_response_len--; + } + session->scpRecv_response[session->scpRecv_response_len] = + '\0'; + + if (session->scpRecv_response_len < 6) { + /* EOL came too soon */ + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid response from SCP server, too short"); + goto scp_recv_error; + } + + s = (char *) session->scpRecv_response + 1; + + p = strchr(s, ' '); + if (!p || ((p - s) <= 0)) { + /* No spaces or space in the wrong spot */ + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid response from SCP server, malformed mode"); + goto scp_recv_error; + } + + *(p++) = '\0'; + /* Make sure we don't get fooled by leftover values */ + + session->scpRecv_mode = strtol(s, &e, 8); + if (e && *e) { + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid response from SCP server, invalid mode"); + goto scp_recv_error; + } + + s = strchr(p, ' '); + if (!s || ((s - p) <= 0)) { + /* No spaces or space in the wrong spot */ + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid response from SCP server, too short or malformed"); + goto scp_recv_error; + } + + *s = '\0'; + /* Make sure we don't get fooled by leftover values */ + session->scpRecv_size = scpsize_strtol(p, &e, 10); + if (e && *e) { + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid response from SCP server, invalid size"); + goto scp_recv_error; + } + + /* SCP ACK */ + session->scpRecv_response[0] = '\0'; + + session->scpRecv_state = libssh2_NB_state_sent6; + } + + if (session->scpRecv_state == libssh2_NB_state_sent6) { + rc = _libssh2_channel_write(session->scpRecv_channel, 0, + session->scpRecv_response, 1); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block sending SCP ACK"); + return NULL; + } else if (rc != 1) { + goto scp_recv_error; + } + _libssh2_debug(session, LIBSSH2_TRACE_SCP, + "mode = 0%lo size = %ld", session->scpRecv_mode, + session->scpRecv_size); + + /* We *should* check that basename is valid, but why let that + stop us? */ + break; + } + } + + session->scpRecv_state = libssh2_NB_state_sent7; + } + + if (sb) { + memset(sb, 0, sizeof(struct stat)); + + sb->st_mtime = session->scpRecv_mtime; + sb->st_atime = session->scpRecv_atime; + sb->st_size = session->scpRecv_size; + sb->st_mode = session->scpRecv_mode; + } + + session->scpRecv_state = libssh2_NB_state_idle; + return session->scpRecv_channel; + + scp_recv_empty_channel: + /* the code only jumps here as a result of a zero read from channel_read() + so we check EOF status to avoid getting stuck in a loop */ + if(libssh2_channel_eof(session->scpRecv_channel)) + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Unexpected channel close"); + else + return session->scpRecv_channel; + /* fall-through */ + scp_recv_error: + tmp_err_code = session->err_code; + tmp_err_msg = session->err_msg; + while (libssh2_channel_free(session->scpRecv_channel) == + LIBSSH2_ERROR_EAGAIN); + session->err_code = tmp_err_code; + session->err_msg = tmp_err_msg; + session->scpRecv_channel = NULL; + session->scpRecv_state = libssh2_NB_state_idle; + return NULL; +} + +/* + * libssh2_scp_recv + * + * Open a channel and request a remote file via SCP + * + */ +LIBSSH2_API LIBSSH2_CHANNEL * +libssh2_scp_recv(LIBSSH2_SESSION *session, const char *path, struct stat * sb) +{ + LIBSSH2_CHANNEL *ptr; + BLOCK_ADJUST_ERRNO(ptr, session, scp_recv(session, path, sb)); + return ptr; +} + +/* + * scp_send() + * + * Send a file using SCP + * + */ +static LIBSSH2_CHANNEL * +scp_send(LIBSSH2_SESSION * session, const char *path, int mode, + libssh2_int64_t size, time_t mtime, time_t atime) +{ + int cmd_len; + int rc; + int tmp_err_code; + const char *tmp_err_msg; + + if (session->scpSend_state == libssh2_NB_state_idle) { + session->scpSend_command_len = + _libssh2_shell_quotedsize(path) + sizeof("scp -t ") + + ((mtime || atime)?1:0); + + session->scpSend_command = + LIBSSH2_ALLOC(session, session->scpSend_command_len); + if (!session->scpSend_command) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate a command buffer for scp session"); + return NULL; + } + + snprintf((char *)session->scpSend_command, session->scpSend_command_len, + "scp -%st ", (mtime || atime)?"p":""); + + cmd_len = strlen((char *)session->scpSend_command); + + (void)shell_quotearg(path, + &session->scpSend_command[cmd_len], + session->scpSend_command_len - cmd_len); + + session->scpSend_command[session->scpSend_command_len - 1] = '\0'; + + _libssh2_debug(session, LIBSSH2_TRACE_SCP, + "Opening channel for SCP send"); + /* Allocate a channel */ + + session->scpSend_state = libssh2_NB_state_created; + } + + if (session->scpSend_state == libssh2_NB_state_created) { + session->scpSend_channel = + _libssh2_channel_open(session, "session", sizeof("session") - 1, + LIBSSH2_CHANNEL_WINDOW_DEFAULT, + LIBSSH2_CHANNEL_PACKET_DEFAULT, NULL, 0); + if (!session->scpSend_channel) { + if (libssh2_session_last_errno(session) != LIBSSH2_ERROR_EAGAIN) { + /* previous call set libssh2_session_last_error(), pass it + through */ + LIBSSH2_FREE(session, session->scpSend_command); + session->scpSend_command = NULL; + session->scpSend_state = libssh2_NB_state_idle; + } + else { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block starting up channel"); + } + return NULL; + } + + session->scpSend_state = libssh2_NB_state_sent; + } + + if (session->scpSend_state == libssh2_NB_state_sent) { + /* Request SCP for the desired file */ + rc = _libssh2_channel_process_startup(session->scpSend_channel, "exec", + sizeof("exec") - 1, + (char *) session->scpSend_command, + session->scpSend_command_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block requesting SCP startup"); + return NULL; + } + else if (rc) { + /* previous call set libssh2_session_last_error(), pass it + through */ + LIBSSH2_FREE(session, session->scpSend_command); + session->scpSend_command = NULL; + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Unknown error while getting error string"); + goto scp_send_error; + } + LIBSSH2_FREE(session, session->scpSend_command); + session->scpSend_command = NULL; + + session->scpSend_state = libssh2_NB_state_sent1; + } + + if (session->scpSend_state == libssh2_NB_state_sent1) { + /* Wait for ACK */ + rc = _libssh2_channel_read(session->scpSend_channel, 0, + (char *) session->scpSend_response, 1); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block waiting for response from remote"); + return NULL; + } + else if (rc < 0) { + _libssh2_error(session, rc, "SCP failure"); + goto scp_send_error; + } + else if(!rc) + /* remain in the same state */ + goto scp_send_empty_channel; + else if (session->scpSend_response[0] != 0) { + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid ACK response from remote"); + goto scp_send_error; + } + if (mtime || atime) { + /* Send mtime and atime to be used for file */ + session->scpSend_response_len = + snprintf((char *) session->scpSend_response, + LIBSSH2_SCP_RESPONSE_BUFLEN, "T%ld 0 %ld 0\n", + (long)mtime, (long)atime); + _libssh2_debug(session, LIBSSH2_TRACE_SCP, "Sent %s", + session->scpSend_response); + } + + session->scpSend_state = libssh2_NB_state_sent2; + } + + /* Send mtime and atime to be used for file */ + if (mtime || atime) { + if (session->scpSend_state == libssh2_NB_state_sent2) { + rc = _libssh2_channel_write(session->scpSend_channel, 0, + session->scpSend_response, + session->scpSend_response_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block sending time data for SCP file"); + return NULL; + } else if (rc != (int)session->scpSend_response_len) { + _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send time data for SCP file"); + goto scp_send_error; + } + + session->scpSend_state = libssh2_NB_state_sent3; + } + + if (session->scpSend_state == libssh2_NB_state_sent3) { + /* Wait for ACK */ + rc = _libssh2_channel_read(session->scpSend_channel, 0, + (char *) session->scpSend_response, 1); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block waiting for response"); + return NULL; + } + else if (rc < 0) { + _libssh2_error(session, rc, "SCP failure"); + goto scp_send_error; + } + else if(!rc) + /* remain in the same state */ + goto scp_send_empty_channel; + else if (session->scpSend_response[0] != 0) { + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid SCP ACK response"); + goto scp_send_error; + } + + session->scpSend_state = libssh2_NB_state_sent4; + } + } else { + if (session->scpSend_state == libssh2_NB_state_sent2) { + session->scpSend_state = libssh2_NB_state_sent4; + } + } + + if (session->scpSend_state == libssh2_NB_state_sent4) { + /* Send mode, size, and basename */ + const char *base = strrchr(path, '/'); + if (base) + base++; + else + base = path; + + session->scpSend_response_len = + snprintf((char *) session->scpSend_response, + LIBSSH2_SCP_RESPONSE_BUFLEN, "C0%o %" + LIBSSH2_INT64_T_FORMAT "u %s\n", mode, + size, base); + _libssh2_debug(session, LIBSSH2_TRACE_SCP, "Sent %s", + session->scpSend_response); + + session->scpSend_state = libssh2_NB_state_sent5; + } + + if (session->scpSend_state == libssh2_NB_state_sent5) { + rc = _libssh2_channel_write(session->scpSend_channel, 0, + session->scpSend_response, + session->scpSend_response_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block send core file data for SCP file"); + return NULL; + } else if (rc != (int)session->scpSend_response_len) { + _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send core file data for SCP file"); + goto scp_send_error; + } + + session->scpSend_state = libssh2_NB_state_sent6; + } + + if (session->scpSend_state == libssh2_NB_state_sent6) { + /* Wait for ACK */ + rc = _libssh2_channel_read(session->scpSend_channel, 0, + (char *) session->scpSend_response, 1); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block waiting for response"); + return NULL; + } + else if (rc < 0) { + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Invalid ACK response from remote"); + goto scp_send_error; + } + else if (rc == 0) + goto scp_send_empty_channel; + + else if (session->scpSend_response[0] != 0) { + size_t err_len; + char *err_msg; + + err_len = + _libssh2_channel_packet_data_len(session->scpSend_channel, 0); + err_msg = LIBSSH2_ALLOC(session, err_len + 1); + if (!err_msg) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "failed to get memory"); + goto scp_send_error; + } + + /* Read the remote error message */ + rc = _libssh2_channel_read(session->scpSend_channel, 0, + err_msg, err_len); + if (rc > 0) { + err_msg[err_len]=0; + _libssh2_debug(session, LIBSSH2_TRACE_SCP, + "got %02x %s", session->scpSend_response[0], + err_msg); + } + LIBSSH2_FREE(session, err_msg); + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "failed to send file"); + goto scp_send_error; + } + } + + session->scpSend_state = libssh2_NB_state_idle; + return session->scpSend_channel; + + scp_send_empty_channel: + /* the code only jumps here as a result of a zero read from channel_read() + so we check EOF status to avoid getting stuck in a loop */ + if(libssh2_channel_eof(session->scpSend_channel)) { + _libssh2_error(session, LIBSSH2_ERROR_SCP_PROTOCOL, + "Unexpected channel close"); + } + else + return session->scpSend_channel; + /* fall-through */ + scp_send_error: + tmp_err_code = session->err_code; + tmp_err_msg = session->err_msg; + while (libssh2_channel_free(session->scpSend_channel) == + LIBSSH2_ERROR_EAGAIN); + session->err_code = tmp_err_code; + session->err_msg = tmp_err_msg; + session->scpSend_channel = NULL; + session->scpSend_state = libssh2_NB_state_idle; + return NULL; +} + +/* + * libssh2_scp_send_ex + * + * Send a file using SCP. Old API. + */ +LIBSSH2_API LIBSSH2_CHANNEL * +libssh2_scp_send_ex(LIBSSH2_SESSION *session, const char *path, int mode, + size_t size, long mtime, long atime) +{ + LIBSSH2_CHANNEL *ptr; + BLOCK_ADJUST_ERRNO(ptr, session, + scp_send(session, path, mode, size, + (time_t)mtime, (time_t)atime)); + return ptr; +} + +/* + * libssh2_scp_send64 + * + * Send a file using SCP + */ +LIBSSH2_API LIBSSH2_CHANNEL * +libssh2_scp_send64(LIBSSH2_SESSION *session, const char *path, int mode, + libssh2_int64_t size, time_t mtime, time_t atime) +{ + LIBSSH2_CHANNEL *ptr; + BLOCK_ADJUST_ERRNO(ptr, session, + scp_send(session, path, mode, size, mtime, atime)); + return ptr; +} diff --git a/vendor/libssh2-1.4.2/src/session.c b/vendor/libssh2-1.4.2/src/session.c new file mode 100644 index 0000000..77ab9bc --- /dev/null +++ b/vendor/libssh2-1.4.2/src/session.c @@ -0,0 +1,1751 @@ +/* Copyright (c) 2004-2007 Sara Golemon + * Copyright (c) 2009-2011 by Daniel Stenberg + * Copyright (c) 2010 Simon Josefsson + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" +#include +#ifdef HAVE_UNISTD_H +#include +#endif +#include +#include + +#ifdef HAVE_GETTIMEOFDAY +#include +#endif +#ifdef HAVE_ALLOCA_H +#include +#endif + +#include "transport.h" +#include "session.h" +#include "channel.h" +#include "mac.h" +#include "misc.h" + +/* libssh2_default_alloc + */ +static +LIBSSH2_ALLOC_FUNC(libssh2_default_alloc) +{ + (void) abstract; + return malloc(count); +} + +/* libssh2_default_free + */ +static +LIBSSH2_FREE_FUNC(libssh2_default_free) +{ + (void) abstract; + free(ptr); +} + +/* libssh2_default_realloc + */ +static +LIBSSH2_REALLOC_FUNC(libssh2_default_realloc) +{ + (void) abstract; + return realloc(ptr, count); +} + +/* + * banner_receive + * + * Wait for a hello from the remote host + * Allocate a buffer and store the banner in session->remote.banner + * Returns: 0 on success, LIBSSH2_ERROR_EAGAIN if read would block, negative + * on failure + */ +static int +banner_receive(LIBSSH2_SESSION * session) +{ + int ret; + int banner_len; + + if (session->banner_TxRx_state == libssh2_NB_state_idle) { + banner_len = 0; + + session->banner_TxRx_state = libssh2_NB_state_created; + } else { + banner_len = session->banner_TxRx_total_send; + } + + while ((banner_len < (int) sizeof(session->banner_TxRx_banner)) && + ((banner_len == 0) + || (session->banner_TxRx_banner[banner_len - 1] != '\n'))) { + char c = '\0'; + + /* no incoming block yet! */ + session->socket_block_directions &= ~LIBSSH2_SESSION_BLOCK_INBOUND; + + ret = LIBSSH2_RECV(session, &c, 1, + LIBSSH2_SOCKET_RECV_FLAGS(session)); + if (ret < 0) { + if(session->api_block_mode || (ret != -EAGAIN)) + /* ignore EAGAIN when non-blocking */ + _libssh2_debug(session, LIBSSH2_TRACE_SOCKET, + "Error recving %d bytes: %d", 1, -ret); + } + else + _libssh2_debug(session, LIBSSH2_TRACE_SOCKET, + "Recved %d bytes banner", ret); + + if (ret < 0) { + if (ret == -EAGAIN) { + session->socket_block_directions = + LIBSSH2_SESSION_BLOCK_INBOUND; + session->banner_TxRx_total_send = banner_len; + return LIBSSH2_ERROR_EAGAIN; + } + + /* Some kinda error */ + session->banner_TxRx_state = libssh2_NB_state_idle; + session->banner_TxRx_total_send = 0; + return LIBSSH2_ERROR_SOCKET_RECV; + } + + if (ret == 0) { + session->socket_state = LIBSSH2_SOCKET_DISCONNECTED; + return LIBSSH2_ERROR_SOCKET_DISCONNECT; + } + + if (c == '\0') { + /* NULLs are not allowed in SSH banners */ + session->banner_TxRx_state = libssh2_NB_state_idle; + session->banner_TxRx_total_send = 0; + return LIBSSH2_ERROR_BANNER_RECV; + } + + session->banner_TxRx_banner[banner_len++] = c; + } + + while (banner_len && + ((session->banner_TxRx_banner[banner_len - 1] == '\n') || + (session->banner_TxRx_banner[banner_len - 1] == '\r'))) { + banner_len--; + } + + /* From this point on, we are done here */ + session->banner_TxRx_state = libssh2_NB_state_idle; + session->banner_TxRx_total_send = 0; + + if (!banner_len) + return LIBSSH2_ERROR_BANNER_RECV; + + session->remote.banner = LIBSSH2_ALLOC(session, banner_len + 1); + if (!session->remote.banner) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Error allocating space for remote banner"); + } + memcpy(session->remote.banner, session->banner_TxRx_banner, banner_len); + session->remote.banner[banner_len] = '\0'; + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, "Received Banner: %s", + session->remote.banner); + return LIBSSH2_ERROR_NONE; +} + +/* + * banner_send + * + * Send the default banner, or the one set via libssh2_setopt_string + * + * Returns LIBSSH2_ERROR_EAGAIN if it would block - and if it does so, you + * should call this function again as soon as it is likely that more data can + * be sent, and this function should then be called with the same argument set + * (same data pointer and same data_len) until zero or failure is returned. + */ +static int +banner_send(LIBSSH2_SESSION * session) +{ + char *banner = (char *) LIBSSH2_SSH_DEFAULT_BANNER_WITH_CRLF; + int banner_len = sizeof(LIBSSH2_SSH_DEFAULT_BANNER_WITH_CRLF) - 1; + ssize_t ret; +#ifdef LIBSSH2DEBUG + char banner_dup[256]; +#endif + + if (session->banner_TxRx_state == libssh2_NB_state_idle) { + if (session->local.banner) { + /* setopt_string will have given us our \r\n characters */ + banner_len = strlen((char *) session->local.banner); + banner = (char *) session->local.banner; + } +#ifdef LIBSSH2DEBUG + /* Hack and slash to avoid sending CRLF in debug output */ + if (banner_len < 256) { + memcpy(banner_dup, banner, banner_len - 2); + banner_dup[banner_len - 2] = '\0'; + } else { + memcpy(banner_dup, banner, 255); + banner[255] = '\0'; + } + + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, "Sending Banner: %s", + banner_dup); +#endif + + session->banner_TxRx_state = libssh2_NB_state_created; + } + + /* no outgoing block yet! */ + session->socket_block_directions &= ~LIBSSH2_SESSION_BLOCK_OUTBOUND; + + ret = LIBSSH2_SEND(session, + banner + session->banner_TxRx_total_send, + banner_len - session->banner_TxRx_total_send, + LIBSSH2_SOCKET_SEND_FLAGS(session)); + if (ret < 0) + _libssh2_debug(session, LIBSSH2_TRACE_SOCKET, + "Error sending %d bytes: %d", + banner_len - session->banner_TxRx_total_send, -ret); + else + _libssh2_debug(session, LIBSSH2_TRACE_SOCKET, + "Sent %d/%d bytes at %p+%d", ret, + banner_len - session->banner_TxRx_total_send, + banner, session->banner_TxRx_total_send); + + if (ret != (banner_len - session->banner_TxRx_total_send)) { + if (ret >= 0 || ret == -EAGAIN) { + /* the whole packet could not be sent, save the what was */ + session->socket_block_directions = + LIBSSH2_SESSION_BLOCK_OUTBOUND; + if (ret > 0) + session->banner_TxRx_total_send += ret; + return LIBSSH2_ERROR_EAGAIN; + } + session->banner_TxRx_state = libssh2_NB_state_idle; + session->banner_TxRx_total_send = 0; + return LIBSSH2_ERROR_SOCKET_RECV; + } + + /* Set the state back to idle */ + session->banner_TxRx_state = libssh2_NB_state_idle; + session->banner_TxRx_total_send = 0; + + return 0; +} + +/* + * session_nonblock() sets the given socket to either blocking or + * non-blocking mode based on the 'nonblock' boolean argument. This function + * is copied from the libcurl sources with permission. + */ +static int +session_nonblock(libssh2_socket_t sockfd, /* operate on this */ + int nonblock /* TRUE or FALSE */ ) +{ +#undef SETBLOCK +#define SETBLOCK 0 +#ifdef HAVE_O_NONBLOCK + /* most recent unix versions */ + int flags; + + flags = fcntl(sockfd, F_GETFL, 0); + if (nonblock) + return fcntl(sockfd, F_SETFL, flags | O_NONBLOCK); + else + return fcntl(sockfd, F_SETFL, flags & (~O_NONBLOCK)); +#undef SETBLOCK +#define SETBLOCK 1 +#endif + +#if defined(HAVE_FIONBIO) && (SETBLOCK == 0) + /* older unix versions and VMS*/ + int flags; + + flags = nonblock; + return ioctl(sockfd, FIONBIO, &flags); +#undef SETBLOCK +#define SETBLOCK 2 +#endif + +#if defined(HAVE_IOCTLSOCKET) && (SETBLOCK == 0) + /* Windows? */ + unsigned long flags; + flags = nonblock; + + return ioctlsocket(sockfd, FIONBIO, &flags); +#undef SETBLOCK +#define SETBLOCK 3 +#endif + +#if defined(HAVE_IOCTLSOCKET_CASE) && (SETBLOCK == 0) + /* presumably for Amiga */ + return IoctlSocket(sockfd, FIONBIO, (long) nonblock); +#undef SETBLOCK +#define SETBLOCK 4 +#endif + +#if defined(HAVE_SO_NONBLOCK) && (SETBLOCK == 0) + /* BeOS */ + long b = nonblock ? 1 : 0; + return setsockopt(sockfd, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b)); +#undef SETBLOCK +#define SETBLOCK 5 +#endif + +#ifdef HAVE_DISABLED_NONBLOCKING + return 0; /* returns success */ +#undef SETBLOCK +#define SETBLOCK 6 +#endif + +#if (SETBLOCK == 0) +#error "no non-blocking method was found/used/set" +#endif +} + +/* + * get_socket_nonblocking() + * + * gets the given blocking or non-blocking state of the socket. + */ +static int +get_socket_nonblocking(int sockfd) +{ /* operate on this */ +#undef GETBLOCK +#define GETBLOCK 0 +#ifdef HAVE_O_NONBLOCK + /* most recent unix versions */ + int flags; + + if ((flags = fcntl(sockfd, F_GETFL, 0)) == -1) { + /* Assume blocking on error */ + return 1; + } + return (flags & O_NONBLOCK); +#undef GETBLOCK +#define GETBLOCK 1 +#endif + +#if defined(WSAEWOULDBLOCK) && (GETBLOCK == 0) + /* Windows? */ + unsigned int option_value; + socklen_t option_len = sizeof(option_value); + + if (getsockopt + (sockfd, SOL_SOCKET, SO_ERROR, (void *) &option_value, &option_len)) { + /* Assume blocking on error */ + return 1; + } + return (int) option_value; +#undef GETBLOCK +#define GETBLOCK 2 +#endif + +#if defined(HAVE_SO_NONBLOCK) && (GETBLOCK == 0) + /* BeOS */ + long b; + if (getsockopt(sockfd, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b))) { + /* Assume blocking on error */ + return 1; + } + return (int) b; +#undef GETBLOCK +#define GETBLOCK 5 +#endif + +#if defined(SO_STATE) && defined( __VMS ) && (GETBLOCK == 0) + + /* VMS TCP/IP Services */ + + size_t sockstat = 0; + int callstat = 0; + size_t size = sizeof( int ); + + callstat = getsockopt(sockfd, SOL_SOCKET, SO_STATE, + (char *)&sockstat, &size); + if ( callstat == -1 ) return(0); + if ( (sockstat&SS_NBIO) )return(1); + return(0); + +#undef GETBLOCK +#define GETBLOCK 6 +#endif + +#ifdef HAVE_DISABLED_NONBLOCKING + return 1; /* returns blocking */ +#undef GETBLOCK +#define GETBLOCK 7 +#endif + +#if (GETBLOCK == 0) +#error "no non-blocking method was found/used/get" +#endif +} + +/* libssh2_session_banner_set + * Set the local banner to use in the server handshake. + */ +LIBSSH2_API int +libssh2_session_banner_set(LIBSSH2_SESSION * session, const char *banner) +{ + size_t banner_len = banner ? strlen(banner) : 0; + + if (session->local.banner) { + LIBSSH2_FREE(session, session->local.banner); + session->local.banner = NULL; + } + + if (!banner_len) + return 0; + + session->local.banner = LIBSSH2_ALLOC(session, banner_len + 3); + if (!session->local.banner) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for local banner"); + } + + memcpy(session->local.banner, banner, banner_len); + + /* first zero terminate like this so that the debug output is nice */ + session->local.banner[banner_len] = '\0'; + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, "Setting local Banner: %s", + session->local.banner); + session->local.banner[banner_len++] = '\r'; + session->local.banner[banner_len++] = '\n'; + session->local.banner[banner_len] = '\0'; + + return 0; +} + +/* libssh2_banner_set + * Set the local banner. DEPRECATED VERSION + */ +LIBSSH2_API int +libssh2_banner_set(LIBSSH2_SESSION * session, const char *banner) +{ + return libssh2_session_banner_set(session, banner); +} + +/* + * libssh2_session_init_ex + * + * Allocate and initialize a libssh2 session structure. Allows for malloc + * callbacks in case the calling program has its own memory manager It's + * allowable (but unadvisable) to define some but not all of the malloc + * callbacks An additional pointer value may be optionally passed to be sent + * to the callbacks (so they know who's asking) + */ +LIBSSH2_API LIBSSH2_SESSION * +libssh2_session_init_ex(LIBSSH2_ALLOC_FUNC((*my_alloc)), + LIBSSH2_FREE_FUNC((*my_free)), + LIBSSH2_REALLOC_FUNC((*my_realloc)), void *abstract) +{ + LIBSSH2_ALLOC_FUNC((*local_alloc)) = libssh2_default_alloc; + LIBSSH2_FREE_FUNC((*local_free)) = libssh2_default_free; + LIBSSH2_REALLOC_FUNC((*local_realloc)) = libssh2_default_realloc; + LIBSSH2_SESSION *session; + + if (my_alloc) { + local_alloc = my_alloc; + } + if (my_free) { + local_free = my_free; + } + if (my_realloc) { + local_realloc = my_realloc; + } + + session = local_alloc(sizeof(LIBSSH2_SESSION), &abstract); + if (session) { + memset(session, 0, sizeof(LIBSSH2_SESSION)); + session->alloc = local_alloc; + session->free = local_free; + session->realloc = local_realloc; + session->send = _libssh2_send; + session->recv = _libssh2_recv; + session->abstract = abstract; + session->api_timeout = 0; /* timeout-free API by default */ + session->api_block_mode = 1; /* blocking API by default */ + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "New session resource allocated"); + _libssh2_init_if_needed (); + } + return session; +} + +/* + * libssh2_session_callback_set + * + * Set (or reset) a callback function + * Returns the prior address + * + * FIXME: this function relies on that we can typecast function pointers + * to void pointers, which isn't allowed in ISO C! + */ +LIBSSH2_API void * +libssh2_session_callback_set(LIBSSH2_SESSION * session, + int cbtype, void *callback) +{ + void *oldcb; + + switch (cbtype) { + case LIBSSH2_CALLBACK_IGNORE: + oldcb = session->ssh_msg_ignore; + session->ssh_msg_ignore = callback; + return oldcb; + + case LIBSSH2_CALLBACK_DEBUG: + oldcb = session->ssh_msg_debug; + session->ssh_msg_debug = callback; + return oldcb; + + case LIBSSH2_CALLBACK_DISCONNECT: + oldcb = session->ssh_msg_disconnect; + session->ssh_msg_disconnect = callback; + return oldcb; + + case LIBSSH2_CALLBACK_MACERROR: + oldcb = session->macerror; + session->macerror = callback; + return oldcb; + + case LIBSSH2_CALLBACK_X11: + oldcb = session->x11; + session->x11 = callback; + return oldcb; + + case LIBSSH2_CALLBACK_SEND: + oldcb = session->send; + session->send = callback; + return oldcb; + + case LIBSSH2_CALLBACK_RECV: + oldcb = session->recv; + session->recv = callback; + return oldcb; + } + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, "Setting Callback %d", cbtype); + + return NULL; +} + +/* + * _libssh2_wait_socket() + * + * Utility function that waits for action on the socket. Returns 0 when ready + * to run again or error on timeout. + */ +int _libssh2_wait_socket(LIBSSH2_SESSION *session, time_t start_time) +{ + int rc; + int seconds_to_next; + int dir; + int has_timeout; + long ms_to_next = 0; + long elapsed_ms; + + /* since libssh2 often sets EAGAIN internally before this function is + called, we can decrease some amount of confusion in user programs by + resetting the error code in this function to reduce the risk of EAGAIN + being stored as error when a blocking function has returned */ + session->err_code = LIBSSH2_ERROR_NONE; + + rc = libssh2_keepalive_send (session, &seconds_to_next); + if (rc < 0) + return rc; + + ms_to_next = seconds_to_next * 1000; + + /* figure out what to wait for */ + dir = libssh2_session_block_directions(session); + + if(!dir) { + _libssh2_debug(session, LIBSSH2_TRACE_SOCKET, + "Nothing to wait for in wait_socket"); + /* To avoid that we hang below just because there's nothing set to + wait for, we timeout on 1 second to also avoid busy-looping + during this condition */ + ms_to_next = 1000; + } + + if (session->api_timeout > 0 && + (seconds_to_next == 0 || + seconds_to_next > session->api_timeout)) { + time_t now = time (NULL); + elapsed_ms = (long)(1000*difftime(start_time, now)); + if (elapsed_ms > session->api_timeout) { + session->err_code = LIBSSH2_ERROR_TIMEOUT; + return LIBSSH2_ERROR_TIMEOUT; + } + ms_to_next = (session->api_timeout - elapsed_ms); + has_timeout = 1; + } + else if (ms_to_next > 0) { + has_timeout = 1; + } + else + has_timeout = 0; + +#ifdef HAVE_POLL + { + struct pollfd sockets[1]; + + sockets[0].fd = session->socket_fd; + sockets[0].events = 0; + sockets[0].revents = 0; + + if(dir & LIBSSH2_SESSION_BLOCK_INBOUND) + sockets[0].events |= POLLIN; + + if(dir & LIBSSH2_SESSION_BLOCK_OUTBOUND) + sockets[0].events |= POLLOUT; + + rc = poll(sockets, 1, has_timeout?ms_to_next: -1); + } +#else + { + fd_set rfd; + fd_set wfd; + fd_set *writefd = NULL; + fd_set *readfd = NULL; + struct timeval tv; + + tv.tv_sec = ms_to_next / 1000; + tv.tv_usec = (ms_to_next - tv.tv_sec*1000) * 1000; + + if(dir & LIBSSH2_SESSION_BLOCK_INBOUND) { + FD_ZERO(&rfd); + FD_SET(session->socket_fd, &rfd); + readfd = &rfd; + } + + if(dir & LIBSSH2_SESSION_BLOCK_OUTBOUND) { + FD_ZERO(&wfd); + FD_SET(session->socket_fd, &wfd); + writefd = &wfd; + } + + rc = select(session->socket_fd + 1, readfd, writefd, NULL, + has_timeout ? &tv : NULL); + } +#endif + if(rc <= 0) { + /* timeout (or error), bail out with a timeout error */ + session->err_code = LIBSSH2_ERROR_TIMEOUT; + return LIBSSH2_ERROR_TIMEOUT; + } + + return 0; /* ready to try again */ +} + +static int +session_startup(LIBSSH2_SESSION *session, libssh2_socket_t sock) +{ + int rc; + + if (session->startup_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "session_startup for socket %d", sock); + if (LIBSSH2_INVALID_SOCKET == sock) { + /* Did we forget something? */ + return _libssh2_error(session, LIBSSH2_ERROR_BAD_SOCKET, + "Bad socket provided"); + } + session->socket_fd = sock; + + session->socket_prev_blockstate = + !get_socket_nonblocking(session->socket_fd); + + if (session->socket_prev_blockstate) { + /* If in blocking state chang to non-blocking */ + session_nonblock(session->socket_fd, 1); + } + + session->startup_state = libssh2_NB_state_created; + } + + if (session->startup_state == libssh2_NB_state_created) { + rc = banner_send(session); + if (rc) { + return _libssh2_error(session, rc, + "Failed sending banner"); + } + session->startup_state = libssh2_NB_state_sent; + session->banner_TxRx_state = libssh2_NB_state_idle; + } + + if (session->startup_state == libssh2_NB_state_sent) { + do { + rc = banner_receive(session); + if (rc) + return _libssh2_error(session, rc, + "Failed getting banner"); + } while(strncmp("SSH-", (char *)session->remote.banner, 4)); + + session->startup_state = libssh2_NB_state_sent1; + } + + if (session->startup_state == libssh2_NB_state_sent1) { + rc = _libssh2_kex_exchange(session, 0, &session->startup_key_state); + if (rc) + return _libssh2_error(session, rc, + "Unable to exchange encryption keys"); + + session->startup_state = libssh2_NB_state_sent2; + } + + if (session->startup_state == libssh2_NB_state_sent2) { + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "Requesting userauth service"); + + /* Request the userauth service */ + session->startup_service[0] = SSH_MSG_SERVICE_REQUEST; + _libssh2_htonu32(session->startup_service + 1, + sizeof("ssh-userauth") - 1); + memcpy(session->startup_service + 5, "ssh-userauth", + sizeof("ssh-userauth") - 1); + + session->startup_state = libssh2_NB_state_sent3; + } + + if (session->startup_state == libssh2_NB_state_sent3) { + rc = _libssh2_transport_send(session, session->startup_service, + sizeof("ssh-userauth") + 5 - 1, + NULL, 0); + if (rc) { + return _libssh2_error(session, rc, + "Unable to ask for ssh-userauth service"); + } + + session->startup_state = libssh2_NB_state_sent4; + } + + if (session->startup_state == libssh2_NB_state_sent4) { + rc = _libssh2_packet_require(session, SSH_MSG_SERVICE_ACCEPT, + &session->startup_data, + &session->startup_data_len, 0, NULL, 0, + &session->startup_req_state); + if (rc) + return rc; + + session->startup_service_length = + _libssh2_ntohu32(session->startup_data + 1); + + if ((session->startup_service_length != (sizeof("ssh-userauth") - 1)) + || strncmp("ssh-userauth", (char *) session->startup_data + 5, + session->startup_service_length)) { + LIBSSH2_FREE(session, session->startup_data); + session->startup_data = NULL; + return _libssh2_error(session, LIBSSH2_ERROR_PROTO, + "Invalid response received from server"); + } + LIBSSH2_FREE(session, session->startup_data); + session->startup_data = NULL; + + session->startup_state = libssh2_NB_state_idle; + + return 0; + } + + /* just for safety return some error */ + return LIBSSH2_ERROR_INVAL; +} + +/* + * libssh2_session_handshake() + * + * session: LIBSSH2_SESSION struct allocated and owned by the calling program + * sock: *must* be populated with an opened and connected socket. + * + * Returns: 0 on success, or non-zero on failure + */ +LIBSSH2_API int +libssh2_session_handshake(LIBSSH2_SESSION *session, libssh2_socket_t sock) +{ + int rc; + + BLOCK_ADJUST(rc, session, session_startup(session, sock) ); + + return rc; +} + +/* + * libssh2_session_startup() + * + * DEPRECATED. Use libssh2_session_handshake() instead! This function is not + * portable enough. + * + * session: LIBSSH2_SESSION struct allocated and owned by the calling program + * sock: *must* be populated with an opened and connected socket. + * + * Returns: 0 on success, or non-zero on failure + */ +LIBSSH2_API int +libssh2_session_startup(LIBSSH2_SESSION *session, int sock) +{ + return libssh2_session_handshake(session, (libssh2_socket_t) sock); +} + +/* + * libssh2_session_free + * + * Frees the memory allocated to the session + * Also closes and frees any channels attached to this session + */ +static int +session_free(LIBSSH2_SESSION *session) +{ + int rc; + LIBSSH2_PACKET *pkg; + LIBSSH2_CHANNEL *ch; + LIBSSH2_LISTENER *l; + int packets_left = 0; + + if (session->free_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, "Freeing session resource", + session->remote.banner); + + session->state = libssh2_NB_state_created; + } + + if (session->free_state == libssh2_NB_state_created) { + while ((ch = _libssh2_list_first(&session->channels))) { + + rc = _libssh2_channel_free(ch); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + } + + session->state = libssh2_NB_state_sent; + } + + if (session->state == libssh2_NB_state_sent) { + while ((l = _libssh2_list_first(&session->listeners))) { + rc = _libssh2_channel_forward_cancel(l); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + } + + session->state = libssh2_NB_state_sent1; + } + + if (session->state & LIBSSH2_STATE_NEWKEYS) { + /* hostkey */ + if (session->hostkey && session->hostkey->dtor) { + session->hostkey->dtor(session, &session->server_hostkey_abstract); + } + + /* Client to Server */ + /* crypt */ + if (session->local.crypt && session->local.crypt->dtor) { + session->local.crypt->dtor(session, + &session->local.crypt_abstract); + } + /* comp */ + if (session->local.comp && session->local.comp->dtor) { + session->local.comp->dtor(session, 1, + &session->local.comp_abstract); + } + /* mac */ + if (session->local.mac && session->local.mac->dtor) { + session->local.mac->dtor(session, &session->local.mac_abstract); + } + + /* Server to Client */ + /* crypt */ + if (session->remote.crypt && session->remote.crypt->dtor) { + session->remote.crypt->dtor(session, + &session->remote.crypt_abstract); + } + /* comp */ + if (session->remote.comp && session->remote.comp->dtor) { + session->remote.comp->dtor(session, 0, + &session->remote.comp_abstract); + } + /* mac */ + if (session->remote.mac && session->remote.mac->dtor) { + session->remote.mac->dtor(session, &session->remote.mac_abstract); + } + + /* session_id */ + if (session->session_id) { + LIBSSH2_FREE(session, session->session_id); + } + } + + /* Free banner(s) */ + if (session->remote.banner) { + LIBSSH2_FREE(session, session->remote.banner); + } + if (session->local.banner) { + LIBSSH2_FREE(session, session->local.banner); + } + + /* Free preference(s) */ + if (session->kex_prefs) { + LIBSSH2_FREE(session, session->kex_prefs); + } + if (session->hostkey_prefs) { + LIBSSH2_FREE(session, session->hostkey_prefs); + } + + if (session->local.kexinit) { + LIBSSH2_FREE(session, session->local.kexinit); + } + if (session->local.crypt_prefs) { + LIBSSH2_FREE(session, session->local.crypt_prefs); + } + if (session->local.mac_prefs) { + LIBSSH2_FREE(session, session->local.mac_prefs); + } + if (session->local.comp_prefs) { + LIBSSH2_FREE(session, session->local.comp_prefs); + } + if (session->local.lang_prefs) { + LIBSSH2_FREE(session, session->local.lang_prefs); + } + + if (session->remote.kexinit) { + LIBSSH2_FREE(session, session->remote.kexinit); + } + if (session->remote.crypt_prefs) { + LIBSSH2_FREE(session, session->remote.crypt_prefs); + } + if (session->remote.mac_prefs) { + LIBSSH2_FREE(session, session->remote.mac_prefs); + } + if (session->remote.comp_prefs) { + LIBSSH2_FREE(session, session->remote.comp_prefs); + } + if (session->remote.lang_prefs) { + LIBSSH2_FREE(session, session->remote.lang_prefs); + } + + /* + * Make sure all memory used in the state variables are free + */ + if (session->kexinit_data) { + LIBSSH2_FREE(session, session->kexinit_data); + } + if (session->startup_data) { + LIBSSH2_FREE(session, session->startup_data); + } + if (session->userauth_list_data) { + LIBSSH2_FREE(session, session->userauth_list_data); + } + if (session->userauth_pswd_data) { + LIBSSH2_FREE(session, session->userauth_pswd_data); + } + if (session->userauth_pswd_newpw) { + LIBSSH2_FREE(session, session->userauth_pswd_newpw); + } + if (session->userauth_host_packet) { + LIBSSH2_FREE(session, session->userauth_host_packet); + } + if (session->userauth_host_method) { + LIBSSH2_FREE(session, session->userauth_host_method); + } + if (session->userauth_host_data) { + LIBSSH2_FREE(session, session->userauth_host_data); + } + if (session->userauth_pblc_data) { + LIBSSH2_FREE(session, session->userauth_pblc_data); + } + if (session->userauth_pblc_packet) { + LIBSSH2_FREE(session, session->userauth_pblc_packet); + } + if (session->userauth_pblc_method) { + LIBSSH2_FREE(session, session->userauth_pblc_method); + } + if (session->userauth_kybd_data) { + LIBSSH2_FREE(session, session->userauth_kybd_data); + } + if (session->userauth_kybd_packet) { + LIBSSH2_FREE(session, session->userauth_kybd_packet); + } + if (session->userauth_kybd_auth_instruction) { + LIBSSH2_FREE(session, session->userauth_kybd_auth_instruction); + } + if (session->open_packet) { + LIBSSH2_FREE(session, session->open_packet); + } + if (session->open_data) { + LIBSSH2_FREE(session, session->open_data); + } + if (session->direct_message) { + LIBSSH2_FREE(session, session->direct_message); + } + if (session->fwdLstn_packet) { + LIBSSH2_FREE(session, session->fwdLstn_packet); + } + if (session->pkeyInit_data) { + LIBSSH2_FREE(session, session->pkeyInit_data); + } + if (session->scpRecv_command) { + LIBSSH2_FREE(session, session->scpRecv_command); + } + if (session->scpSend_command) { + LIBSSH2_FREE(session, session->scpSend_command); + } + + /* Cleanup all remaining packets */ + while ((pkg = _libssh2_list_first(&session->packets))) { + packets_left++; + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "packet left with id %d", pkg->data[0]); + /* unlink the node */ + _libssh2_list_remove(&pkg->node); + + /* free */ + LIBSSH2_FREE(session, pkg->data); + LIBSSH2_FREE(session, pkg); + } + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "Extra packets left %d", packets_left); + + if(session->socket_prev_blockstate) + /* if the socket was previously blocking, put it back so */ + session_nonblock(session->socket_fd, 0); + + if (session->server_hostkey) { + LIBSSH2_FREE(session, session->server_hostkey); + } + + LIBSSH2_FREE(session, session); + + return 0; +} + +/* + * libssh2_session_free + * + * Frees the memory allocated to the session + * Also closes and frees any channels attached to this session + */ +LIBSSH2_API int +libssh2_session_free(LIBSSH2_SESSION * session) +{ + int rc; + + BLOCK_ADJUST(rc, session, session_free(session) ); + + return rc; +} + +/* + * libssh2_session_disconnect_ex + */ +static int +session_disconnect(LIBSSH2_SESSION *session, int reason, + const char *description, + const char *lang) +{ + unsigned char *s; + unsigned long descr_len = 0, lang_len = 0; + int rc; + + if (session->disconnect_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, + "Disconnecting: reason=%d, desc=%s, lang=%s", reason, + description, lang); + if (description) + descr_len = strlen(description); + + if (lang) + lang_len = strlen(lang); + + if(descr_len > 256) + return _libssh2_error(session, LIBSSH2_ERROR_INVAL, + "too long description"); + + /* 13 = packet_type(1) + reason code(4) + descr_len(4) + lang_len(4) */ + session->disconnect_data_len = descr_len + lang_len + 13; + + s = session->disconnect_data; + + *(s++) = SSH_MSG_DISCONNECT; + _libssh2_store_u32(&s, reason); + _libssh2_store_str(&s, description, descr_len); + /* store length only, lang is sent separately */ + _libssh2_store_u32(&s, lang_len); + + session->disconnect_state = libssh2_NB_state_created; + } + + rc = _libssh2_transport_send(session, session->disconnect_data, + session->disconnect_data_len, + (unsigned char *)lang, lang_len); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + + session->disconnect_state = libssh2_NB_state_idle; + + return 0; +} + +/* + * libssh2_session_disconnect_ex + */ +LIBSSH2_API int +libssh2_session_disconnect_ex(LIBSSH2_SESSION *session, int reason, + const char *desc, const char *lang) +{ + int rc; + + BLOCK_ADJUST(rc, session, + session_disconnect(session, reason, desc, lang)); + + return rc; +} + +/* libssh2_session_methods + * + * Return the currently active methods for method_type + * + * NOTE: Currently lang_cs and lang_sc are ALWAYS set to empty string + * regardless of actual negotiation Strings should NOT be freed + */ +LIBSSH2_API const char * +libssh2_session_methods(LIBSSH2_SESSION * session, int method_type) +{ + /* All methods have char *name as their first element */ + const LIBSSH2_KEX_METHOD *method = NULL; + + switch (method_type) { + case LIBSSH2_METHOD_KEX: + method = session->kex; + break; + + case LIBSSH2_METHOD_HOSTKEY: + method = (LIBSSH2_KEX_METHOD *) session->hostkey; + break; + + case LIBSSH2_METHOD_CRYPT_CS: + method = (LIBSSH2_KEX_METHOD *) session->local.crypt; + break; + + case LIBSSH2_METHOD_CRYPT_SC: + method = (LIBSSH2_KEX_METHOD *) session->remote.crypt; + break; + + case LIBSSH2_METHOD_MAC_CS: + method = (LIBSSH2_KEX_METHOD *) session->local.mac; + break; + + case LIBSSH2_METHOD_MAC_SC: + method = (LIBSSH2_KEX_METHOD *) session->remote.mac; + break; + + case LIBSSH2_METHOD_COMP_CS: + method = (LIBSSH2_KEX_METHOD *) session->local.comp; + break; + + case LIBSSH2_METHOD_COMP_SC: + method = (LIBSSH2_KEX_METHOD *) session->remote.comp; + break; + + case LIBSSH2_METHOD_LANG_CS: + return ""; + + case LIBSSH2_METHOD_LANG_SC: + return ""; + + default: + _libssh2_error(session, LIBSSH2_ERROR_INVAL, + "Invalid parameter specified for method_type"); + return NULL; + } + + if (!method) { + _libssh2_error(session, LIBSSH2_ERROR_METHOD_NONE, + "No method negotiated"); + return NULL; + } + + return method->name; +} + +/* libssh2_session_abstract + * Retrieve a pointer to the abstract property + */ +LIBSSH2_API void ** +libssh2_session_abstract(LIBSSH2_SESSION * session) +{ + return &session->abstract; +} + +/* libssh2_session_last_error + * + * Returns error code and populates an error string into errmsg If want_buf is + * non-zero then the string placed into errmsg must be freed by the calling + * program. Otherwise it is assumed to be owned by libssh2 + */ +LIBSSH2_API int +libssh2_session_last_error(LIBSSH2_SESSION * session, char **errmsg, + int *errmsg_len, int want_buf) +{ + size_t msglen = 0; + + /* No error to report */ + if (!session->err_code) { + if (errmsg) { + if (want_buf) { + *errmsg = LIBSSH2_ALLOC(session, 1); + if (*errmsg) { + **errmsg = 0; + } + } else { + *errmsg = (char *) ""; + } + } + if (errmsg_len) { + *errmsg_len = 0; + } + return 0; + } + + if (errmsg) { + const char *error = session->err_msg ? session->err_msg : ""; + + msglen = strlen(error); + + if (want_buf) { + /* Make a copy so the calling program can own it */ + *errmsg = LIBSSH2_ALLOC(session, msglen + 1); + if (*errmsg) { + memcpy(*errmsg, error, msglen); + (*errmsg)[msglen] = 0; + } + } + else + *errmsg = (char *)error; + } + + if (errmsg_len) { + *errmsg_len = msglen; + } + + return session->err_code; +} + +/* libssh2_session_last_errno + * + * Returns error code + */ +LIBSSH2_API int +libssh2_session_last_errno(LIBSSH2_SESSION * session) +{ + return session->err_code; +} + +/* libssh2_session_flag + * + * Set/Get session flags + * + * Return error code. + */ +LIBSSH2_API int +libssh2_session_flag(LIBSSH2_SESSION * session, int flag, int value) +{ + switch(flag) { + case LIBSSH2_FLAG_SIGPIPE: + session->flag.sigpipe = value; + break; + case LIBSSH2_FLAG_COMPRESS: + session->flag.compress = value; + break; + default: + /* unknown flag */ + return LIBSSH2_ERROR_INVAL; + } + + return LIBSSH2_ERROR_NONE; +} + +/* _libssh2_session_set_blocking + * + * Set a session's blocking mode on or off, return the previous status when + * this function is called. Note this function does not alter the state of the + * actual socket involved. + */ +int +_libssh2_session_set_blocking(LIBSSH2_SESSION *session, int blocking) +{ + int bl = session->api_block_mode; + _libssh2_debug(session, LIBSSH2_TRACE_CONN, + "Setting blocking mode %s", blocking?"ON":"OFF"); + session->api_block_mode = blocking; + + return bl; +} + +/* libssh2_session_set_blocking + * + * Set a channel's blocking mode on or off, similar to a socket's + * fcntl(fd, F_SETFL, O_NONBLOCK); type command + */ +LIBSSH2_API void +libssh2_session_set_blocking(LIBSSH2_SESSION * session, int blocking) +{ + (void) _libssh2_session_set_blocking(session, blocking); +} + +/* libssh2_session_get_blocking + * + * Returns a session's blocking mode on or off + */ +LIBSSH2_API int +libssh2_session_get_blocking(LIBSSH2_SESSION * session) +{ + return session->api_block_mode; +} + + +/* libssh2_session_set_timeout + * + * Set a session's timeout (in msec) for blocking mode, + * or 0 to disable timeouts. + */ +LIBSSH2_API void +libssh2_session_set_timeout(LIBSSH2_SESSION * session, long timeout) +{ + session->api_timeout = timeout; +} + +/* libssh2_session_get_timeout + * + * Returns a session's timeout, or 0 if disabled + */ +LIBSSH2_API long +libssh2_session_get_timeout(LIBSSH2_SESSION * session) +{ + return session->api_timeout; +} + +/* + * libssh2_poll_channel_read + * + * Returns 0 if no data is waiting on channel, + * non-0 if data is available + */ +LIBSSH2_API int +libssh2_poll_channel_read(LIBSSH2_CHANNEL *channel, int extended) +{ + LIBSSH2_SESSION *session; + LIBSSH2_PACKET *packet; + + if(!channel) + return LIBSSH2_ERROR_BAD_USE; + + session = channel->session; + packet = _libssh2_list_first(&session->packets); + + while (packet) { + if ( channel->local.id == _libssh2_ntohu32(packet->data + 1)) { + if ( extended == 1 && + (packet->data[0] == SSH_MSG_CHANNEL_EXTENDED_DATA + || packet->data[0] == SSH_MSG_CHANNEL_DATA )) { + return 1; + } else if ( extended == 0 && + packet->data[0] == SSH_MSG_CHANNEL_DATA) { + return 1; + } + /* else - no data of any type is ready to be read */ + } + packet = _libssh2_list_next(&packet->node); + } + + return 0; +} + +/* + * poll_channel_write + * + * Returns 0 if writing to channel would block, + * non-0 if data can be written without blocking + */ +static inline int +poll_channel_write(LIBSSH2_CHANNEL * channel) +{ + return channel->local.window_size ? 1 : 0; +} + +/* poll_listener_queued + * + * Returns 0 if no connections are waiting to be accepted + * non-0 if one or more connections are available + */ +static inline int +poll_listener_queued(LIBSSH2_LISTENER * listener) +{ + return _libssh2_list_first(&listener->queue) ? 1 : 0; +} + +/* + * libssh2_poll + * + * Poll sockets, channels, and listeners for activity + */ +LIBSSH2_API int +libssh2_poll(LIBSSH2_POLLFD * fds, unsigned int nfds, long timeout) +{ + long timeout_remaining; + unsigned int i, active_fds; +#ifdef HAVE_POLL + LIBSSH2_SESSION *session = NULL; +#ifdef HAVE_ALLOCA + struct pollfd *sockets = alloca(sizeof(struct pollfd) * nfds); +#else + struct pollfd sockets[256]; + + if (nfds > 256) + /* systems without alloca use a fixed-size array, this can be fixed if + we really want to, at least if the compiler is a C99 capable one */ + return -1; +#endif + /* Setup sockets for polling */ + for(i = 0; i < nfds; i++) { + fds[i].revents = 0; + switch (fds[i].type) { + case LIBSSH2_POLLFD_SOCKET: + sockets[i].fd = fds[i].fd.socket; + sockets[i].events = fds[i].events; + sockets[i].revents = 0; + break; + + case LIBSSH2_POLLFD_CHANNEL: + sockets[i].fd = fds[i].fd.channel->session->socket_fd; + sockets[i].events = POLLIN; + sockets[i].revents = 0; + if (!session) + session = fds[i].fd.channel->session; + break; + + case LIBSSH2_POLLFD_LISTENER: + sockets[i].fd = fds[i].fd.listener->session->socket_fd; + sockets[i].events = POLLIN; + sockets[i].revents = 0; + if (!session) + session = fds[i].fd.listener->session; + break; + + default: + if (session) + _libssh2_error(session, LIBSSH2_ERROR_INVALID_POLL_TYPE, + "Invalid descriptor passed to libssh2_poll()"); + return -1; + } + } +#elif defined(HAVE_SELECT) + LIBSSH2_SESSION *session = NULL; + libssh2_socket_t maxfd = 0; + fd_set rfds, wfds; + struct timeval tv; + + FD_ZERO(&rfds); + FD_ZERO(&wfds); + for(i = 0; i < nfds; i++) { + fds[i].revents = 0; + switch (fds[i].type) { + case LIBSSH2_POLLFD_SOCKET: + if (fds[i].events & LIBSSH2_POLLFD_POLLIN) { + FD_SET(fds[i].fd.socket, &rfds); + if (fds[i].fd.socket > maxfd) + maxfd = fds[i].fd.socket; + } + if (fds[i].events & LIBSSH2_POLLFD_POLLOUT) { + FD_SET(fds[i].fd.socket, &wfds); + if (fds[i].fd.socket > maxfd) + maxfd = fds[i].fd.socket; + } + break; + + case LIBSSH2_POLLFD_CHANNEL: + FD_SET(fds[i].fd.channel->session->socket_fd, &rfds); + if (fds[i].fd.channel->session->socket_fd > maxfd) + maxfd = fds[i].fd.channel->session->socket_fd; + if (!session) + session = fds[i].fd.channel->session; + break; + + case LIBSSH2_POLLFD_LISTENER: + FD_SET(fds[i].fd.listener->session->socket_fd, &rfds); + if (fds[i].fd.listener->session->socket_fd > maxfd) + maxfd = fds[i].fd.listener->session->socket_fd; + if (!session) + session = fds[i].fd.listener->session; + break; + + default: + if (session) + _libssh2_error(session, LIBSSH2_ERROR_INVALID_POLL_TYPE, + "Invalid descriptor passed to libssh2_poll()"); + return -1; + } + } +#else + /* No select() or poll() + * no sockets sturcture to setup + */ + + timeout = 0; +#endif /* HAVE_POLL or HAVE_SELECT */ + + timeout_remaining = timeout; + do { +#if defined(HAVE_POLL) || defined(HAVE_SELECT) + int sysret; +#endif + + active_fds = 0; + + for(i = 0; i < nfds; i++) { + if (fds[i].events != fds[i].revents) { + switch (fds[i].type) { + case LIBSSH2_POLLFD_CHANNEL: + if ((fds[i].events & LIBSSH2_POLLFD_POLLIN) && + /* Want to be ready for read */ + ((fds[i].revents & LIBSSH2_POLLFD_POLLIN) == 0)) { + /* Not yet known to be ready for read */ + fds[i].revents |= + libssh2_poll_channel_read(fds[i].fd.channel, + 0) ? + LIBSSH2_POLLFD_POLLIN : 0; + } + if ((fds[i].events & LIBSSH2_POLLFD_POLLEXT) && + /* Want to be ready for extended read */ + ((fds[i].revents & LIBSSH2_POLLFD_POLLEXT) == 0)) { + /* Not yet known to be ready for extended read */ + fds[i].revents |= + libssh2_poll_channel_read(fds[i].fd.channel, + 1) ? + LIBSSH2_POLLFD_POLLEXT : 0; + } + if ((fds[i].events & LIBSSH2_POLLFD_POLLOUT) && + /* Want to be ready for write */ + ((fds[i].revents & LIBSSH2_POLLFD_POLLOUT) == 0)) { + /* Not yet known to be ready for write */ + fds[i].revents |= + poll_channel_write(fds[i].fd. channel) ? + LIBSSH2_POLLFD_POLLOUT : 0; + } + if (fds[i].fd.channel->remote.close + || fds[i].fd.channel->local.close) { + fds[i].revents |= LIBSSH2_POLLFD_CHANNEL_CLOSED; + } + if (fds[i].fd.channel->session->socket_state == + LIBSSH2_SOCKET_DISCONNECTED) { + fds[i].revents |= + LIBSSH2_POLLFD_CHANNEL_CLOSED | + LIBSSH2_POLLFD_SESSION_CLOSED; + } + break; + + case LIBSSH2_POLLFD_LISTENER: + if ((fds[i].events & LIBSSH2_POLLFD_POLLIN) && + /* Want a connection */ + ((fds[i].revents & LIBSSH2_POLLFD_POLLIN) == 0)) { + /* No connections known of yet */ + fds[i].revents |= + poll_listener_queued(fds[i].fd. listener) ? + LIBSSH2_POLLFD_POLLIN : 0; + } + if (fds[i].fd.listener->session->socket_state == + LIBSSH2_SOCKET_DISCONNECTED) { + fds[i].revents |= + LIBSSH2_POLLFD_LISTENER_CLOSED | + LIBSSH2_POLLFD_SESSION_CLOSED; + } + break; + } + } + if (fds[i].revents) { + active_fds++; + } + } + + if (active_fds) { + /* Don't block on the sockets if we have channels/listeners which + are ready */ + timeout_remaining = 0; + } +#ifdef HAVE_POLL + +#ifdef HAVE_LIBSSH2_GETTIMEOFDAY + { + struct timeval tv_begin, tv_end; + + _libssh2_gettimeofday((struct timeval *) &tv_begin, NULL); + sysret = poll(sockets, nfds, timeout_remaining); + _libssh2_gettimeofday((struct timeval *) &tv_end, NULL); + timeout_remaining -= (tv_end.tv_sec - tv_begin.tv_sec) * 1000; + timeout_remaining -= (tv_end.tv_usec - tv_begin.tv_usec) / 1000; + } +#else + /* If the platform doesn't support gettimeofday, + * then just make the call non-blocking and walk away + */ + sysret = poll(sockets, nfds, timeout_remaining); + timeout_remaining = 0; +#endif /* HAVE_GETTIMEOFDAY */ + + if (sysret > 0) { + for(i = 0; i < nfds; i++) { + switch (fds[i].type) { + case LIBSSH2_POLLFD_SOCKET: + fds[i].revents = sockets[i].revents; + sockets[i].revents = 0; /* In case we loop again, be nice */ + if (fds[i].revents) { + active_fds++; + } + break; + case LIBSSH2_POLLFD_CHANNEL: + if (sockets[i].events & POLLIN) { + /* Spin session until no data available */ + while (_libssh2_transport_read(fds[i].fd.channel->session) + > 0); + } + if (sockets[i].revents & POLLHUP) { + fds[i].revents |= + LIBSSH2_POLLFD_CHANNEL_CLOSED | + LIBSSH2_POLLFD_SESSION_CLOSED; + } + sockets[i].revents = 0; + break; + case LIBSSH2_POLLFD_LISTENER: + if (sockets[i].events & POLLIN) { + /* Spin session until no data available */ + while (_libssh2_transport_read(fds[i].fd.listener->session) + > 0); + } + if (sockets[i].revents & POLLHUP) { + fds[i].revents |= + LIBSSH2_POLLFD_LISTENER_CLOSED | + LIBSSH2_POLLFD_SESSION_CLOSED; + } + sockets[i].revents = 0; + break; + } + } + } +#elif defined(HAVE_SELECT) + tv.tv_sec = timeout_remaining / 1000; + tv.tv_usec = (timeout_remaining % 1000) * 1000; +#ifdef HAVE_LIBSSH2_GETTIMEOFDAY + { + struct timeval tv_begin, tv_end; + + _libssh2_gettimeofday((struct timeval *) &tv_begin, NULL); + sysret = select(maxfd+1, &rfds, &wfds, NULL, &tv); + _libssh2_gettimeofday((struct timeval *) &tv_end, NULL); + + timeout_remaining -= (tv_end.tv_sec - tv_begin.tv_sec) * 1000; + timeout_remaining -= (tv_end.tv_usec - tv_begin.tv_usec) / 1000; + } +#else + /* If the platform doesn't support gettimeofday, + * then just make the call non-blocking and walk away + */ + sysret = select(maxfd+1, &rfds, &wfds, NULL, &tv); + timeout_remaining = 0; +#endif + + if (sysret > 0) { + for(i = 0; i < nfds; i++) { + switch (fds[i].type) { + case LIBSSH2_POLLFD_SOCKET: + if (FD_ISSET(fds[i].fd.socket, &rfds)) { + fds[i].revents |= LIBSSH2_POLLFD_POLLIN; + } + if (FD_ISSET(fds[i].fd.socket, &wfds)) { + fds[i].revents |= LIBSSH2_POLLFD_POLLOUT; + } + if (fds[i].revents) { + active_fds++; + } + break; + + case LIBSSH2_POLLFD_CHANNEL: + if (FD_ISSET(fds[i].fd.channel->session->socket_fd, &rfds)) { + /* Spin session until no data available */ + while (_libssh2_transport_read(fds[i].fd.channel->session) + > 0); + } + break; + + case LIBSSH2_POLLFD_LISTENER: + if (FD_ISSET + (fds[i].fd.listener->session->socket_fd, &rfds)) { + /* Spin session until no data available */ + while (_libssh2_transport_read(fds[i].fd.listener->session) + > 0); + } + break; + } + } + } +#endif /* else no select() or poll() -- timeout (and by extension + * timeout_remaining) will be equal to 0 */ + } while ((timeout_remaining > 0) && !active_fds); + + return active_fds; +} + +/* + * libssh2_session_block_directions + * + * Get blocked direction when a function returns LIBSSH2_ERROR_EAGAIN + * Returns LIBSSH2_SOCKET_BLOCK_INBOUND if recv() blocked + * or LIBSSH2_SOCKET_BLOCK_OUTBOUND if send() blocked + */ +LIBSSH2_API int +libssh2_session_block_directions(LIBSSH2_SESSION *session) +{ + return session->socket_block_directions; +} + +/* libssh2_session_banner_get + * Get the remote banner (server ID string) + */ + +LIBSSH2_API const char * +libssh2_session_banner_get(LIBSSH2_SESSION *session) +{ + /* to avoid a coredump when session is NULL */ + if (NULL == session) + return NULL; + + if (NULL==session->remote.banner) + return NULL; + + return (const char *) session->remote.banner; +} diff --git a/vendor/libssh2-1.4.2/src/session.h b/vendor/libssh2-1.4.2/src/session.h new file mode 100644 index 0000000..aff4f2c --- /dev/null +++ b/vendor/libssh2-1.4.2/src/session.h @@ -0,0 +1,93 @@ +#ifndef LIBSSH2_SESSION_H +#define LIBSSH2_SESSION_H +/* Copyright (c) 2004-2007 Sara Golemon + * Copyright (c) 2009-2010 by Daniel Stenberg + * Copyright (c) 2010 Simon Josefsson + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +/* Conveniance-macros to allow code like this; + + int rc = BLOCK_ADJUST(rc, session, session_startup(session, sock) ); + + int rc = BLOCK_ADJUST_ERRNO(ptr, session, session_startup(session, sock) ); + + The point of course being to make sure that while in non-blocking mode + these always return no matter what the return code is, but in blocking mode + it blocks if EAGAIN is the reason for the return from the underlying + function. + +*/ +#define BLOCK_ADJUST(rc,sess,x) \ + do { \ + time_t entry_time = time (NULL); \ + do { \ + rc = x; \ + /* the order of the check below is important to properly deal with \ + the case when the 'sess' is freed */ \ + if((rc != LIBSSH2_ERROR_EAGAIN) || !sess->api_block_mode) \ + break; \ + rc = _libssh2_wait_socket(sess, entry_time); \ + } while(!rc); \ + } while(0) + +/* + * For functions that returns a pointer, we need to check if the API is + * non-blocking and return immediately. If the pointer is non-NULL we return + * immediately. If the API is blocking and we get a NULL we check the errno + * and *only* if that is EAGAIN we loop and wait for socket action. + */ +#define BLOCK_ADJUST_ERRNO(ptr,sess,x) \ + do { \ + time_t entry_time = time (NULL); \ + int rc; \ + do { \ + ptr = x; \ + if(!sess->api_block_mode || \ + (ptr != NULL) || \ + (libssh2_session_last_errno(sess) != LIBSSH2_ERROR_EAGAIN) ) \ + break; \ + rc = _libssh2_wait_socket(sess, entry_time); \ + } while(!rc); \ + } while(0) + + +int _libssh2_wait_socket(LIBSSH2_SESSION *session, time_t entry_time); + +/* this is the lib-internal set blocking function */ +int _libssh2_session_set_blocking(LIBSSH2_SESSION * session, int blocking); + +#endif /* LIBSSH2_SESSION_H */ diff --git a/vendor/libssh2-1.4.2/src/sftp.c b/vendor/libssh2-1.4.2/src/sftp.c new file mode 100644 index 0000000..ec9d033 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/sftp.c @@ -0,0 +1,3278 @@ +/* Copyright (c) 2004-2008, Sara Golemon + * Copyright (c) 2007 Eli Fant + * Copyright (c) 2009-2012 by Daniel Stenberg + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include + +#include "libssh2_priv.h" +#include "libssh2_sftp.h" +#include "channel.h" +#include "session.h" +#include "sftp.h" + +/* Note: Version 6 was documented at the time of writing + * However it was marked as "DO NOT IMPLEMENT" due to pending changes + * + * This release of libssh2 implements Version 5 with automatic downgrade + * based on server's declaration + */ + +/* SFTP packet types */ +#define SSH_FXP_INIT 1 +#define SSH_FXP_VERSION 2 +#define SSH_FXP_OPEN 3 +#define SSH_FXP_CLOSE 4 +#define SSH_FXP_READ 5 +#define SSH_FXP_WRITE 6 +#define SSH_FXP_LSTAT 7 +#define SSH_FXP_FSTAT 8 +#define SSH_FXP_SETSTAT 9 +#define SSH_FXP_FSETSTAT 10 +#define SSH_FXP_OPENDIR 11 +#define SSH_FXP_READDIR 12 +#define SSH_FXP_REMOVE 13 +#define SSH_FXP_MKDIR 14 +#define SSH_FXP_RMDIR 15 +#define SSH_FXP_REALPATH 16 +#define SSH_FXP_STAT 17 +#define SSH_FXP_RENAME 18 +#define SSH_FXP_READLINK 19 +#define SSH_FXP_SYMLINK 20 +#define SSH_FXP_STATUS 101 +#define SSH_FXP_HANDLE 102 +#define SSH_FXP_DATA 103 +#define SSH_FXP_NAME 104 +#define SSH_FXP_ATTRS 105 +#define SSH_FXP_EXTENDED 200 +#define SSH_FXP_EXTENDED_REPLY 201 + +/* S_IFREG */ +#define LIBSSH2_SFTP_ATTR_PFILETYPE_FILE 0100000 +/* S_IFDIR */ +#define LIBSSH2_SFTP_ATTR_PFILETYPE_DIR 0040000 + +#define SSH_FXE_STATVFS_ST_RDONLY 0x00000001 +#define SSH_FXE_STATVFS_ST_NOSUID 0x00000002 + +/* This is the maximum packet length to accept, as larger than this indicate + some kind of server problem. */ +#define LIBSSH2_SFTP_PACKET_MAXLEN 80000 + +static int sftp_close_handle(LIBSSH2_SFTP_HANDLE *handle); +static int sftp_packet_ask(LIBSSH2_SFTP *sftp, unsigned char packet_type, + uint32_t request_id, unsigned char **data, + size_t *data_len); +static void sftp_packet_flush(LIBSSH2_SFTP *sftp); + +/* sftp_attrsize + * Size that attr with this flagset will occupy when turned into a bin struct + */ +static int sftp_attrsize(unsigned long flags) +{ + return (4 + /* flags(4) */ + ((flags & LIBSSH2_SFTP_ATTR_SIZE) ? 8 : 0) + + ((flags & LIBSSH2_SFTP_ATTR_UIDGID) ? 8 : 0) + + ((flags & LIBSSH2_SFTP_ATTR_PERMISSIONS) ? 4 : 0) + + ((flags & LIBSSH2_SFTP_ATTR_ACMODTIME) ? 8 : 0)); + /* atime + mtime as u32 */ +} + +/* _libssh2_store_u64 + */ +static void _libssh2_store_u64(unsigned char **ptr, libssh2_uint64_t value) +{ + uint32_t msl = (uint32_t)(value >> 32); + unsigned char *buf = *ptr; + + buf[0] = (unsigned char)((msl >> 24) & 0xFF); + buf[1] = (unsigned char)((msl >> 16) & 0xFF); + buf[2] = (unsigned char)((msl >> 8) & 0xFF); + buf[3] = (unsigned char)( msl & 0xFF); + + buf[4] = (unsigned char)((value >> 24) & 0xFF); + buf[5] = (unsigned char)((value >> 16) & 0xFF); + buf[6] = (unsigned char)((value >> 8) & 0xFF); + buf[7] = (unsigned char)( value & 0xFF); + + *ptr += 8; +} + +/* + * Search list of zombied FXP_READ request IDs. + * + * Returns NULL if ID not in list. + */ +static struct sftp_zombie_requests * +find_zombie_request(LIBSSH2_SFTP *sftp, uint32_t request_id) +{ + struct sftp_zombie_requests *zombie = + _libssh2_list_first(&sftp->zombie_requests); + + while(zombie) { + if(zombie->request_id == request_id) + break; + else + zombie = _libssh2_list_next(&zombie->node); + } + + return zombie; +} + +static void +remove_zombie_request(LIBSSH2_SFTP *sftp, uint32_t request_id) +{ + LIBSSH2_SESSION *session = sftp->channel->session; + + struct sftp_zombie_requests *zombie = find_zombie_request(sftp, + request_id); + if(zombie) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "Removing request ID %ld from the list of zombie requests", + request_id); + + _libssh2_list_remove(&zombie->node); + LIBSSH2_FREE(session, zombie); + } +} + +static int +add_zombie_request(LIBSSH2_SFTP *sftp, uint32_t request_id) +{ + LIBSSH2_SESSION *session = sftp->channel->session; + + struct sftp_zombie_requests *zombie; + + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "Marking request ID %ld as a zombie request", request_id); + + zombie = LIBSSH2_ALLOC(sftp->channel->session, + sizeof(struct sftp_zombie_requests)); + if (!zombie) + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "malloc fail for zombie request ID"); + else { + zombie->request_id = request_id; + _libssh2_list_add(&sftp->zombie_requests, &zombie->node); + return LIBSSH2_ERROR_NONE; + } +} + +/* + * sftp_packet_add + * + * Add a packet to the SFTP packet brigade + */ +static int +sftp_packet_add(LIBSSH2_SFTP *sftp, unsigned char *data, + size_t data_len) +{ + LIBSSH2_SESSION *session = sftp->channel->session; + LIBSSH2_SFTP_PACKET *packet; + uint32_t request_id; + + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "Received packet %d (len %d)", + (int) data[0], data_len); + + /* + * Experience shows that if we mess up EAGAIN handling somewhere or + * otherwise get out of sync with the channel, this is where we first get + * a wrong byte and if so we need to bail out at once to aid tracking the + * problem better. + */ + + switch(data[0]) { + case SSH_FXP_INIT: + case SSH_FXP_VERSION: + case SSH_FXP_OPEN: + case SSH_FXP_CLOSE: + case SSH_FXP_READ: + case SSH_FXP_WRITE: + case SSH_FXP_LSTAT: + case SSH_FXP_FSTAT: + case SSH_FXP_SETSTAT: + case SSH_FXP_FSETSTAT: + case SSH_FXP_OPENDIR: + case SSH_FXP_READDIR: + case SSH_FXP_REMOVE: + case SSH_FXP_MKDIR: + case SSH_FXP_RMDIR: + case SSH_FXP_REALPATH: + case SSH_FXP_STAT: + case SSH_FXP_RENAME: + case SSH_FXP_READLINK: + case SSH_FXP_SYMLINK: + case SSH_FXP_STATUS: + case SSH_FXP_HANDLE: + case SSH_FXP_DATA: + case SSH_FXP_NAME: + case SSH_FXP_ATTRS: + case SSH_FXP_EXTENDED: + case SSH_FXP_EXTENDED_REPLY: + break; + default: + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "Out of sync with the world"); + } + + request_id = _libssh2_ntohu32(&data[1]); + + /* Don't add the packet if it answers a request we've given up on. */ + if((data[0] == SSH_FXP_STATUS || data[0] == SSH_FXP_DATA) + && find_zombie_request(sftp, request_id)) { + + /* If we get here, the file ended before the response arrived. We + are no longer interested in the request so we discard it */ + + LIBSSH2_FREE(session, data); + + remove_zombie_request(sftp, request_id); + return LIBSSH2_ERROR_NONE; + } + + packet = LIBSSH2_ALLOC(session, sizeof(LIBSSH2_SFTP_PACKET)); + if (!packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate datablock for SFTP packet"); + } + + packet->data = data; + packet->data_len = data_len; + packet->request_id = request_id; + + _libssh2_list_add(&sftp->packets, &packet->node); + + return LIBSSH2_ERROR_NONE; +} + +/* + * sftp_packet_read + * + * Frame an SFTP packet off the channel + */ +static int +sftp_packet_read(LIBSSH2_SFTP *sftp) +{ + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + unsigned char *packet = NULL; + ssize_t rc; + unsigned long recv_window; + int packet_type; + + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "recv packet"); + + switch(sftp->packet_state) { + case libssh2_NB_state_sent: /* EAGAIN from window adjusting */ + sftp->packet_state = libssh2_NB_state_idle; + + packet = sftp->partial_packet; + goto window_adjust; + + case libssh2_NB_state_sent1: /* EAGAIN from channel read */ + sftp->packet_state = libssh2_NB_state_idle; + + packet = sftp->partial_packet; + + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "partial read cont, len: %lu", sftp->partial_len); + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "partial read cont, already recvd: %lu", + sftp->partial_received); + /* fall-through */ + default: + if(!packet) { + /* only do this if there's not already a packet buffer allocated + to use */ + + /* each packet starts with a 32 bit length field */ + rc = _libssh2_channel_read(channel, 0, + (char *)&sftp->partial_size[ + sftp->partial_size_len], + 4 - sftp->partial_size_len); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + else if (rc < 0) + return _libssh2_error(session, rc, "channel read"); + + sftp->partial_size_len += rc; + + if(4 != sftp->partial_size_len) + /* we got a short read for the length part */ + return LIBSSH2_ERROR_EAGAIN; + + sftp->partial_len = _libssh2_ntohu32(sftp->partial_size); + /* make sure we don't proceed if the packet size is unreasonably + large */ + if (sftp->partial_len > LIBSSH2_SFTP_PACKET_MAXLEN) + return _libssh2_error(session, + LIBSSH2_ERROR_CHANNEL_PACKET_EXCEEDED, + "SFTP packet too large"); + + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "Data begin - Packet Length: %lu", + sftp->partial_len); + packet = LIBSSH2_ALLOC(session, sftp->partial_len); + if (!packet) + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate SFTP packet"); + sftp->partial_size_len = 0; + sftp->partial_received = 0; /* how much of the packet already + received */ + sftp->partial_packet = packet; + + window_adjust: + recv_window = libssh2_channel_window_read_ex(channel, NULL, NULL); + + if(sftp->partial_len > recv_window) { + /* ask for twice the data amount we need at once */ + rc = _libssh2_channel_receive_window_adjust(channel, + sftp->partial_len*2, + 1, NULL); + /* store the state so that we continue with the correct + operation at next invoke */ + sftp->packet_state = (rc == LIBSSH2_ERROR_EAGAIN)? + libssh2_NB_state_sent: + libssh2_NB_state_idle; + + if(rc == LIBSSH2_ERROR_EAGAIN) + return rc; + } + } + + /* Read as much of the packet as we can */ + while (sftp->partial_len > sftp->partial_received) { + rc = _libssh2_channel_read(channel, 0, + (char *)&packet[sftp->partial_received], + sftp->partial_len - + sftp->partial_received); + + if (rc == LIBSSH2_ERROR_EAGAIN) { + /* + * We received EAGAIN, save what we have and return EAGAIN to + * the caller. Set 'partial_packet' so that this function + * knows how to continue on the next invoke. + */ + sftp->packet_state = libssh2_NB_state_sent1; + return rc; + } + else if (rc < 0) { + LIBSSH2_FREE(session, packet); + sftp->partial_packet = NULL; + return _libssh2_error(session, rc, + "Error waiting for SFTP packet"); + } + sftp->partial_received += rc; + } + + sftp->partial_packet = NULL; + + /* sftp_packet_add takes ownership of the packet and might free it + so we take a copy of the packet type before we call it. */ + packet_type = packet[0]; + rc = sftp_packet_add(sftp, packet, sftp->partial_len); + if (rc) { + LIBSSH2_FREE(session, packet); + return rc; + } + else { + return packet_type; + } + } + /* WON'T REACH */ +} +/* + * sftp_packetlist_flush + * + * Remove all pending packets in the packet_list and the corresponding one(s) + * in the SFTP packet brigade. + */ +static void sftp_packetlist_flush(LIBSSH2_SFTP_HANDLE *handle) +{ + struct sftp_pipeline_chunk *chunk; + LIBSSH2_SFTP *sftp = handle->sftp; + LIBSSH2_SESSION *session = sftp->channel->session; + + /* remove pending packets, if any */ + chunk = _libssh2_list_first(&handle->packet_list); + while(chunk) { + unsigned char *data; + size_t data_len; + int rc; + struct sftp_pipeline_chunk *next = _libssh2_list_next(&chunk->node); + + rc = sftp_packet_ask(sftp, SSH_FXP_STATUS, + chunk->request_id, &data, &data_len); + if(rc) + rc = sftp_packet_ask(sftp, SSH_FXP_DATA, + chunk->request_id, &data, &data_len); + + if(!rc) + /* we found a packet, free it */ + LIBSSH2_FREE(session, data); + else if(chunk->sent) + /* there was no incoming packet for this request, mark this + request as a zombie if it ever sent the request */ + add_zombie_request(sftp, chunk->request_id); + + _libssh2_list_remove(&chunk->node); + LIBSSH2_FREE(session, chunk); + chunk = next; + } +} + + +/* + * sftp_packet_ask() + * + * Checks if there's a matching SFTP packet available. + */ +static int +sftp_packet_ask(LIBSSH2_SFTP *sftp, unsigned char packet_type, + uint32_t request_id, unsigned char **data, + size_t *data_len) +{ + LIBSSH2_SESSION *session = sftp->channel->session; + LIBSSH2_SFTP_PACKET *packet = _libssh2_list_first(&sftp->packets); + + if(!packet) + return -1; + + /* Special consideration when getting VERSION packet */ + + while (packet) { + if((packet->data[0] == packet_type) && + ((packet_type == SSH_FXP_VERSION) || + (packet->request_id == request_id))) { + + /* Match! Fetch the data */ + *data = packet->data; + *data_len = packet->data_len; + + /* unlink and free this struct */ + _libssh2_list_remove(&packet->node); + LIBSSH2_FREE(session, packet); + + return 0; + } + /* check next struct in the list */ + packet = _libssh2_list_next(&packet->node); + } + return -1; +} + +/* sftp_packet_require + * A la libssh2_packet_require + */ +static int +sftp_packet_require(LIBSSH2_SFTP *sftp, unsigned char packet_type, + uint32_t request_id, unsigned char **data, + size_t *data_len) +{ + LIBSSH2_SESSION *session = sftp->channel->session; + int rc; + + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "Requiring packet %d id %ld", + (int) packet_type, request_id); + + if (sftp_packet_ask(sftp, packet_type, request_id, data, data_len) == 0) { + /* The right packet was available in the packet brigade */ + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "Got %d", + (int) packet_type); + return LIBSSH2_ERROR_NONE; + } + + while (session->socket_state == LIBSSH2_SOCKET_CONNECTED) { + rc = sftp_packet_read(sftp); + if (rc < 0) + return rc; + + /* data was read, check the queue again */ + if (!sftp_packet_ask(sftp, packet_type, request_id, data, data_len)) { + /* The right packet was available in the packet brigade */ + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "Got %d", + (int) packet_type); + return LIBSSH2_ERROR_NONE; + } + } + + /* Only reached if the socket died */ + return LIBSSH2_ERROR_SOCKET_DISCONNECT; +} + +/* sftp_packet_requirev + * Require one of N possible reponses + */ +static int +sftp_packet_requirev(LIBSSH2_SFTP *sftp, int num_valid_responses, + const unsigned char *valid_responses, + uint32_t request_id, unsigned char **data, + size_t *data_len) +{ + int i; + int rc; + + /* If no timeout is active, start a new one */ + if (sftp->requirev_start == 0) + sftp->requirev_start = time(NULL); + + while (sftp->channel->session->socket_state == LIBSSH2_SOCKET_CONNECTED) { + for(i = 0; i < num_valid_responses; i++) { + if (sftp_packet_ask(sftp, valid_responses[i], request_id, + data, data_len) == 0) { + /* + * Set to zero before all returns to say + * the timeout is not active + */ + sftp->requirev_start = 0; + return LIBSSH2_ERROR_NONE; + } + } + + rc = sftp_packet_read(sftp); + if ((rc < 0) && (rc != LIBSSH2_ERROR_EAGAIN)) { + sftp->requirev_start = 0; + return rc; + } else if (rc <= 0) { + /* prevent busy-looping */ + long left = + LIBSSH2_READ_TIMEOUT - (long)(time(NULL) - sftp->requirev_start); + + if (left <= 0) { + sftp->requirev_start = 0; + return LIBSSH2_ERROR_TIMEOUT; + } + else if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } + } + } + + sftp->requirev_start = 0; + + /* Only reached if the socket died */ + return LIBSSH2_ERROR_SOCKET_DISCONNECT; +} + +/* sftp_attr2bin + * Populate attributes into an SFTP block + */ +static ssize_t +sftp_attr2bin(unsigned char *p, const LIBSSH2_SFTP_ATTRIBUTES * attrs) +{ + unsigned char *s = p; + uint32_t flag_mask = + LIBSSH2_SFTP_ATTR_SIZE | LIBSSH2_SFTP_ATTR_UIDGID | + LIBSSH2_SFTP_ATTR_PERMISSIONS | LIBSSH2_SFTP_ATTR_ACMODTIME; + + /* TODO: When we add SFTP4+ functionality flag_mask can get additional + bits */ + + if (!attrs) { + _libssh2_htonu32(s, 0); + return 4; + } + + _libssh2_store_u32(&s, attrs->flags & flag_mask); + + if (attrs->flags & LIBSSH2_SFTP_ATTR_SIZE) { + _libssh2_store_u64(&s, attrs->filesize); + } + + if (attrs->flags & LIBSSH2_SFTP_ATTR_UIDGID) { + _libssh2_store_u32(&s, attrs->uid); + _libssh2_store_u32(&s, attrs->gid); + } + + if (attrs->flags & LIBSSH2_SFTP_ATTR_PERMISSIONS) { + _libssh2_store_u32(&s, attrs->permissions); + } + + if (attrs->flags & LIBSSH2_SFTP_ATTR_ACMODTIME) { + _libssh2_store_u32(&s, attrs->atime); + _libssh2_store_u32(&s, attrs->mtime); + } + + return (s - p); +} + +/* sftp_bin2attr + */ +static int +sftp_bin2attr(LIBSSH2_SFTP_ATTRIBUTES * attrs, const unsigned char *p) +{ + const unsigned char *s = p; + + memset(attrs, 0, sizeof(LIBSSH2_SFTP_ATTRIBUTES)); + attrs->flags = _libssh2_ntohu32(s); + s += 4; + + if (attrs->flags & LIBSSH2_SFTP_ATTR_SIZE) { + attrs->filesize = _libssh2_ntohu64(s); + s += 8; + } + + if (attrs->flags & LIBSSH2_SFTP_ATTR_UIDGID) { + attrs->uid = _libssh2_ntohu32(s); + s += 4; + attrs->gid = _libssh2_ntohu32(s); + s += 4; + } + + if (attrs->flags & LIBSSH2_SFTP_ATTR_PERMISSIONS) { + attrs->permissions = _libssh2_ntohu32(s); + s += 4; + } + + if (attrs->flags & LIBSSH2_SFTP_ATTR_ACMODTIME) { + attrs->atime = _libssh2_ntohu32(s); + s += 4; + attrs->mtime = _libssh2_ntohu32(s); + s += 4; + } + + return (s - p); +} + +/* ************ + * SFTP API * + ************ */ + +LIBSSH2_CHANNEL_CLOSE_FUNC(libssh2_sftp_dtor); + +/* libssh2_sftp_dtor + * Shutdown an SFTP stream when the channel closes + */ +LIBSSH2_CHANNEL_CLOSE_FUNC(libssh2_sftp_dtor) +{ + LIBSSH2_SFTP *sftp = (LIBSSH2_SFTP *) (*channel_abstract); + + (void) session_abstract; + (void) channel; + + /* Free the partial packet storage for sftp_packet_read */ + if (sftp->partial_packet) { + LIBSSH2_FREE(session, sftp->partial_packet); + } + + /* Free the packet storage for _libssh2_sftp_packet_readdir */ + if (sftp->readdir_packet) { + LIBSSH2_FREE(session, sftp->readdir_packet); + } + + LIBSSH2_FREE(session, sftp); +} + +/* + * sftp_init + * + * Startup an SFTP session + */ +static LIBSSH2_SFTP *sftp_init(LIBSSH2_SESSION *session) +{ + unsigned char *data, *s; + size_t data_len; + ssize_t rc; + LIBSSH2_SFTP *sftp_handle; + + if (session->sftpInit_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "Initializing SFTP subsystem"); + + /* + * The 'sftpInit_sftp' and 'sftpInit_channel' struct fields within the + * session struct are only to be used during the setup phase. As soon + * as the SFTP session is created they are cleared and can thus be + * re-used again to allow any amount of SFTP handles per sessions. + * + * Note that you MUST NOT try to call libssh2_sftp_init() again to get + * another handle until the previous call has finished and either + * succesffully made a handle or failed and returned error (not + * including *EAGAIN). + */ + + assert(session->sftpInit_sftp == NULL); + session->sftpInit_sftp = NULL; + session->sftpInit_state = libssh2_NB_state_created; + } + + sftp_handle = session->sftpInit_sftp; + + if (session->sftpInit_state == libssh2_NB_state_created) { + session->sftpInit_channel = + _libssh2_channel_open(session, "session", sizeof("session") - 1, + LIBSSH2_CHANNEL_WINDOW_DEFAULT, + LIBSSH2_CHANNEL_PACKET_DEFAULT, NULL, 0); + if (!session->sftpInit_channel) { + if (libssh2_session_last_errno(session) == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block starting up channel"); + } + else { + _libssh2_error(session, LIBSSH2_ERROR_CHANNEL_FAILURE, + "Unable to startup channel"); + session->sftpInit_state = libssh2_NB_state_idle; + } + return NULL; + } + + session->sftpInit_state = libssh2_NB_state_sent; + } + + if (session->sftpInit_state == libssh2_NB_state_sent) { + int ret = _libssh2_channel_process_startup(session->sftpInit_channel, + "subsystem", + sizeof("subsystem") - 1, "sftp", + strlen("sftp")); + if (ret == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block to request SFTP subsystem"); + return NULL; + } else if (ret) { + _libssh2_error(session, LIBSSH2_ERROR_CHANNEL_FAILURE, + "Unable to request SFTP subsystem"); + goto sftp_init_error; + } + + session->sftpInit_state = libssh2_NB_state_sent1; + } + + if (session->sftpInit_state == libssh2_NB_state_sent1) { + rc = _libssh2_channel_extended_data(session->sftpInit_channel, + LIBSSH2_CHANNEL_EXTENDED_DATA_IGNORE); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block requesting handle extended data"); + return NULL; + } + + sftp_handle = + session->sftpInit_sftp = + LIBSSH2_ALLOC(session, sizeof(LIBSSH2_SFTP)); + if (!sftp_handle) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate a new SFTP structure"); + goto sftp_init_error; + } + memset(sftp_handle, 0, sizeof(LIBSSH2_SFTP)); + sftp_handle->channel = session->sftpInit_channel; + sftp_handle->request_id = 0; + + _libssh2_htonu32(session->sftpInit_buffer, 5); + session->sftpInit_buffer[4] = SSH_FXP_INIT; + _libssh2_htonu32(session->sftpInit_buffer + 5, LIBSSH2_SFTP_VERSION); + session->sftpInit_sent = 0; /* nothing's sent yet */ + + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "Sending FXP_INIT packet advertising version %d support", + (int) LIBSSH2_SFTP_VERSION); + + session->sftpInit_state = libssh2_NB_state_sent2; + } + + if (session->sftpInit_state == libssh2_NB_state_sent2) { + /* sent off what's left of the init buffer to send */ + rc = _libssh2_channel_write(session->sftpInit_channel, 0, + session->sftpInit_buffer + + session->sftpInit_sent, + 9 - session->sftpInit_sent); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block sending SSH_FXP_INIT"); + return NULL; + } + else if(rc < 0) { + _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send SSH_FXP_INIT"); + goto sftp_init_error; + } + else { + /* add up the number of bytes sent */ + session->sftpInit_sent += rc; + + if(session->sftpInit_sent == 9) + /* move on */ + session->sftpInit_state = libssh2_NB_state_sent3; + + /* if less than 9, we remain in this state to send more later on */ + } + } + + rc = sftp_packet_require(sftp_handle, SSH_FXP_VERSION, + 0, &data, &data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) + return NULL; + else if (rc) { + _libssh2_error(session, rc, + "Timeout waiting for response from SFTP subsystem"); + goto sftp_init_error; + } + if (data_len < 5) { + _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "Invalid SSH_FXP_VERSION response"); + goto sftp_init_error; + } + + s = data + 1; + sftp_handle->version = _libssh2_ntohu32(s); + s += 4; + if (sftp_handle->version > LIBSSH2_SFTP_VERSION) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "Truncating remote SFTP version from %lu", + sftp_handle->version); + sftp_handle->version = LIBSSH2_SFTP_VERSION; + } + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "Enabling SFTP version %lu compatability", + sftp_handle->version); + while (s < (data + data_len)) { + size_t extname_len, extdata_len; + + extname_len = _libssh2_ntohu32(s); + s += 4; + /* the extension name starts here */ + s += extname_len; + + extdata_len = _libssh2_ntohu32(s); + s += 4; + + /* TODO: Actually process extensions */ + s += extdata_len; + + } + LIBSSH2_FREE(session, data); + + /* Make sure that when the channel gets closed, the SFTP service is shut + down too */ + sftp_handle->channel->abstract = sftp_handle; + sftp_handle->channel->close_cb = libssh2_sftp_dtor; + + session->sftpInit_state = libssh2_NB_state_idle; + + /* clear the sftp and channel pointers in this session struct now */ + session->sftpInit_sftp = NULL; + session->sftpInit_channel = NULL; + + _libssh2_list_init(&sftp_handle->sftp_handles); + + return sftp_handle; + + sftp_init_error: + while (_libssh2_channel_free(session->sftpInit_channel) == + LIBSSH2_ERROR_EAGAIN); + session->sftpInit_channel = NULL; + if (session->sftpInit_sftp) { + LIBSSH2_FREE(session, session->sftpInit_sftp); + session->sftpInit_sftp = NULL; + } + session->sftpInit_state = libssh2_NB_state_idle; + return NULL; +} + +/* + * libssh2_sftp_init + * + * Startup an SFTP session + */ +LIBSSH2_API LIBSSH2_SFTP *libssh2_sftp_init(LIBSSH2_SESSION *session) +{ + LIBSSH2_SFTP *ptr; + + if(!session) + return NULL; + + if(!(session->state & LIBSSH2_STATE_AUTHENTICATED)) { + _libssh2_error(session, LIBSSH2_ERROR_INVAL, + "session not authenticated yet"); + return NULL; + } + + BLOCK_ADJUST_ERRNO(ptr, session, sftp_init(session)); + return ptr; +} + +/* + * sftp_shutdown + * + * Shutsdown the SFTP subsystem + */ +static int +sftp_shutdown(LIBSSH2_SFTP *sftp) +{ + int rc; + LIBSSH2_SESSION *session = sftp->channel->session; + /* + * Make sure all memory used in the state variables are free + */ + if (sftp->partial_packet) { + LIBSSH2_FREE(session, sftp->partial_packet); + sftp->partial_packet = NULL; + } + if (sftp->open_packet) { + LIBSSH2_FREE(session, sftp->open_packet); + sftp->open_packet = NULL; + } + if (sftp->readdir_packet) { + LIBSSH2_FREE(session, sftp->readdir_packet); + sftp->readdir_packet = NULL; + } + if (sftp->fstat_packet) { + LIBSSH2_FREE(session, sftp->fstat_packet); + sftp->fstat_packet = NULL; + } + if (sftp->unlink_packet) { + LIBSSH2_FREE(session, sftp->unlink_packet); + sftp->unlink_packet = NULL; + } + if (sftp->rename_packet) { + LIBSSH2_FREE(session, sftp->rename_packet); + sftp->rename_packet = NULL; + } + if (sftp->fstatvfs_packet) { + LIBSSH2_FREE(session, sftp->fstatvfs_packet); + sftp->fstatvfs_packet = NULL; + } + if (sftp->statvfs_packet) { + LIBSSH2_FREE(session, sftp->statvfs_packet); + sftp->statvfs_packet = NULL; + } + if (sftp->mkdir_packet) { + LIBSSH2_FREE(session, sftp->mkdir_packet); + sftp->mkdir_packet = NULL; + } + if (sftp->rmdir_packet) { + LIBSSH2_FREE(session, sftp->rmdir_packet); + sftp->rmdir_packet = NULL; + } + if (sftp->stat_packet) { + LIBSSH2_FREE(session, sftp->stat_packet); + sftp->stat_packet = NULL; + } + if (sftp->symlink_packet) { + LIBSSH2_FREE(session, sftp->symlink_packet); + sftp->symlink_packet = NULL; + } + + sftp_packet_flush(sftp); + + /* TODO: We should consider walking over the sftp_handles list and kill + * any remaining sftp handles ... */ + + rc = _libssh2_channel_free(sftp->channel); + + return rc; +} + +/* libssh2_sftp_shutdown + * Shutsdown the SFTP subsystem + */ +LIBSSH2_API int +libssh2_sftp_shutdown(LIBSSH2_SFTP *sftp) +{ + int rc; + if(!sftp) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, sftp->channel->session, sftp_shutdown(sftp)); + return rc; +} + +/* ******************************* + * SFTP File and Directory Ops * + ******************************* */ + +/* sftp_open + */ +static LIBSSH2_SFTP_HANDLE * +sftp_open(LIBSSH2_SFTP *sftp, const char *filename, + size_t filename_len, uint32_t flags, long mode, + int open_type) +{ + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + LIBSSH2_SFTP_HANDLE *fp; + LIBSSH2_SFTP_ATTRIBUTES attrs = { + LIBSSH2_SFTP_ATTR_PERMISSIONS, 0, 0, 0, 0, 0, 0 + }; + unsigned char *s; + ssize_t rc; + int open_file = (open_type == LIBSSH2_SFTP_OPENFILE)?1:0; + + if (sftp->open_state == libssh2_NB_state_idle) { + /* packet_len(4) + packet_type(1) + request_id(4) + filename_len(4) + + flags(4) */ + sftp->open_packet_len = filename_len + 13 + + (open_file? (4 + sftp_attrsize(LIBSSH2_SFTP_ATTR_PERMISSIONS)) : 0); + + /* surprise! this starts out with nothing sent */ + sftp->open_packet_sent = 0; + s = sftp->open_packet = LIBSSH2_ALLOC(session, sftp->open_packet_len); + if (!sftp->open_packet) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for FXP_OPEN or " + "FXP_OPENDIR packet"); + return NULL; + } + /* Filetype in SFTP 3 and earlier */ + attrs.permissions = mode | + (open_file ? LIBSSH2_SFTP_ATTR_PFILETYPE_FILE : + LIBSSH2_SFTP_ATTR_PFILETYPE_DIR); + + _libssh2_store_u32(&s, sftp->open_packet_len - 4); + *(s++) = open_file? SSH_FXP_OPEN : SSH_FXP_OPENDIR; + sftp->open_request_id = sftp->request_id++; + _libssh2_store_u32(&s, sftp->open_request_id); + _libssh2_store_str(&s, filename, filename_len); + + if (open_file) { + _libssh2_store_u32(&s, flags); + s += sftp_attr2bin(s, &attrs); + } + + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "Sending %s open request", + open_file? "file" : "directory"); + + sftp->open_state = libssh2_NB_state_created; + } + + if (sftp->open_state == libssh2_NB_state_created) { + rc = _libssh2_channel_write(channel, 0, sftp->open_packet+ + sftp->open_packet_sent, + sftp->open_packet_len - + sftp->open_packet_sent); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block sending FXP_OPEN or FXP_OPENDIR command"); + return NULL; + } + else if(rc < 0) { + _libssh2_error(session, rc, "Unable to send FXP_OPEN*"); + LIBSSH2_FREE(session, sftp->open_packet); + sftp->open_packet = NULL; + sftp->open_state = libssh2_NB_state_idle; + return NULL; + } + + /* bump the sent counter and remain in this state until the whole + data is off */ + sftp->open_packet_sent += rc; + + if(sftp->open_packet_len == sftp->open_packet_sent) { + LIBSSH2_FREE(session, sftp->open_packet); + sftp->open_packet = NULL; + + sftp->open_state = libssh2_NB_state_sent; + } + } + + if (sftp->open_state == libssh2_NB_state_sent) { + size_t data_len; + unsigned char *data; + static const unsigned char fopen_responses[2] = + { SSH_FXP_HANDLE, SSH_FXP_STATUS }; + rc = sftp_packet_requirev(sftp, 2, fopen_responses, + sftp->open_request_id, &data, + &data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block waiting for status message"); + return NULL; + } + sftp->open_state = libssh2_NB_state_idle; + if (rc) { + _libssh2_error(session, rc, "Timeout waiting for status message"); + return NULL; + } + + /* OPEN can basically get STATUS or HANDLE back, where HANDLE implies + a fine response while STATUS means error. It seems though that at + times we get an SSH_FX_OK back in a STATUS, followed the "real" + HANDLE so we need to properly deal with that. */ + if (data[0] == SSH_FXP_STATUS) { + int badness = 1; + + if(data_len < 9) { + _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "Too small FXP_STATUS"); + LIBSSH2_FREE(session, data); + return NULL; + } + + sftp->last_errno = _libssh2_ntohu32(data + 5); + + if(LIBSSH2_FX_OK == sftp->last_errno) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "got HANDLE FXOK!"); + + LIBSSH2_FREE(session, data); + + /* silly situation, but check for a HANDLE */ + rc = sftp_packet_require(sftp, SSH_FXP_HANDLE, + sftp->open_request_id, &data, + &data_len); + if(rc == LIBSSH2_ERROR_EAGAIN) { + /* go back to sent state and wait for something else */ + sftp->open_state = libssh2_NB_state_sent; + return NULL; + } + else if(!rc) + /* we got the handle so this is not a bad situation */ + badness = 0; + } + + if(badness) { + _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "Failed opening remote file"); + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "got FXP_STATUS %d", + sftp->last_errno); + LIBSSH2_FREE(session, data); + return NULL; + } + } + + if(data_len < 10) { + _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "Too small FXP_HANDLE"); + LIBSSH2_FREE(session, data); + return NULL; + } + + fp = LIBSSH2_ALLOC(session, sizeof(LIBSSH2_SFTP_HANDLE)); + if (!fp) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate new SFTP handle structure"); + LIBSSH2_FREE(session, data); + return NULL; + } + memset(fp, 0, sizeof(LIBSSH2_SFTP_HANDLE)); + fp->handle_type = open_file ? LIBSSH2_SFTP_HANDLE_FILE : + LIBSSH2_SFTP_HANDLE_DIR; + + fp->handle_len = _libssh2_ntohu32(data + 5); + if (fp->handle_len > SFTP_HANDLE_MAXLEN) + /* SFTP doesn't allow handles longer than 256 characters */ + fp->handle_len = SFTP_HANDLE_MAXLEN; + + if(fp->handle_len > (data_len - 9)) + /* do not reach beyond the end of the data we got */ + fp->handle_len = data_len - 9; + + memcpy(fp->handle, data + 9, fp->handle_len); + + LIBSSH2_FREE(session, data); + + /* add this file handle to the list kept in the sftp session */ + _libssh2_list_add(&sftp->sftp_handles, &fp->node); + + fp->sftp = sftp; /* point to the parent struct */ + + fp->u.file.offset = 0; + fp->u.file.offset_sent = 0; + + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "Open command successful"); + return fp; + } + return NULL; +} + +/* libssh2_sftp_open_ex + */ +LIBSSH2_API LIBSSH2_SFTP_HANDLE * +libssh2_sftp_open_ex(LIBSSH2_SFTP *sftp, const char *filename, + unsigned int filename_len, unsigned long flags, long mode, + int open_type) +{ + LIBSSH2_SFTP_HANDLE *hnd; + + if(!sftp) + return NULL; + + BLOCK_ADJUST_ERRNO(hnd, sftp->channel->session, + sftp_open(sftp, filename, filename_len, flags, mode, + open_type)); + return hnd; +} + +/* + * sftp_read + * + * Read from an SFTP file handle + * + */ +static ssize_t sftp_read(LIBSSH2_SFTP_HANDLE * handle, char *buffer, + size_t buffer_size) +{ + LIBSSH2_SFTP *sftp = handle->sftp; + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + size_t count = 0; + struct sftp_pipeline_chunk *chunk; + struct sftp_pipeline_chunk *next; + ssize_t rc; + struct _libssh2_sftp_handle_file_data *filep = + &handle->u.file; + + /* This function can be interrupted in three different places where it + might need to wait for data from the network. It returns EAGAIN to + allow non-blocking clients to do other work but these client are + expected to call this function again (possibly many times) to finish + the operation. + + The tricky part is that if we previously aborted a sftp_read due to + EAGAIN, we must continue at the same spot to continue the previously + interrupted operation. This is done using a state machine to record + what phase of execution we were at. The state is stored in + sftp->read_state. + + libssh2_NB_state_idle: The first phase is where we prepare multiple + FXP_READ packets to do optimistic read-ahead. We send off as many as + possible in the second phase without waiting for a response to each + one; this is the key to fast reads. But we may have to adjust the + channel window size to do this which may interrupt this function while + waiting. The state machine saves the phase as libssh2_NB_state_idle so + it returns here on the next call. + + libssh2_NB_state_sent: The second phase is where we send the FXP_READ + packets. Writing them to the channel can be interrupted with EAGAIN + but the state machine ensures we skip the first phase on the next call + and resume sending. + + libssh2_NB_state_sent2: In the third phase (indicated by ) we read the + data from the responses that have arrived so far. Reading can be + interrupted with EAGAIN but the state machine ensures we skip the first + and second phases on the next call and resume sending. + */ + + switch (sftp->read_state) { + case libssh2_NB_state_idle: + + /* Some data may already have been read from the server in the + previous call but didn't fit in the buffer at the time. If so, we + return that now as we can't risk being interrupted later with data + partially written to the buffer. */ + if(filep->data_left) { + size_t copy = MIN(buffer_size, filep->data_left); + + memcpy(buffer, &filep->data[ filep->data_len - filep->data_left], + copy); + + filep->data_left -= copy; + filep->offset += copy; + + if(!filep->data_left) { + LIBSSH2_FREE(session, filep->data); + filep->data = NULL; + } + + return copy; + } + + /* We allow a number of bytes being requested at any given time + without having been acked - until we reach EOF. */ + if(!filep->eof) { + /* Number of bytes asked for that haven't been acked yet */ + size_t already = (filep->offset_sent - filep->offset); + + size_t max_read_ahead = buffer_size*4; + unsigned long recv_window; + + if(max_read_ahead > LIBSSH2_CHANNEL_WINDOW_DEFAULT*4) + max_read_ahead = LIBSSH2_CHANNEL_WINDOW_DEFAULT*4; + + /* if the buffer_size passed in now is smaller than what has + already been sent, we risk getting count become a very large + number */ + if(max_read_ahead > already) + count = max_read_ahead - already; + + /* 'count' is how much more data to ask for, and 'already' is how + much data that already has been asked for but not yet returned. + Specificly, 'count' means how much data that have or will be + asked for by the nodes that are already added to the linked + list. Some of those read requests may not actually have been + sent off successfully yet. + + If 'already' is very large it should be perfectly fine to have + count set to 0 as then we don't have to ask for more data + (right now). + + buffer_size*4 is just picked more or less out of the air. The + idea is that when reading SFTP from a remote server, we send + away multiple read requests guessing that the client will read + more than only this 'buffer_size' amount of memory. So we ask + for maximum buffer_size*4 amount of data so that we can return + them very fast in subsequent calls. + */ + + recv_window = libssh2_channel_window_read_ex(sftp->channel, + NULL, NULL); + if(max_read_ahead > recv_window) { + /* more data will be asked for than what the window currently + allows, expand it! */ + + rc = _libssh2_channel_receive_window_adjust(sftp->channel, + max_read_ahead*8, + 1, NULL); + /* if this returns EAGAIN, we will get back to this function + at next call */ + assert(rc != LIBSSH2_ERROR_EAGAIN || !filep->data_left); + assert(rc != LIBSSH2_ERROR_EAGAIN || !filep->eof); + if (rc) + return rc; + } + } + + while(count > 0) { + unsigned char *s; + uint32_t size = MIN(MAX_SFTP_READ_SIZE, count); + + /* 25 = packet_len(4) + packet_type(1) + request_id(4) + + handle_len(4) + offset(8) + count(4) */ + uint32_t packet_len = (uint32_t)handle->handle_len + 25; + uint32_t request_id; + + chunk = LIBSSH2_ALLOC(session, packet_len + + sizeof(struct sftp_pipeline_chunk)); + if (!chunk) + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "malloc fail for FXP_WRITE"); + + chunk->len = size; + chunk->lefttosend = packet_len; + chunk->sent = 0; + + s = chunk->packet; + + _libssh2_store_u32(&s, packet_len - 4); + *s++ = SSH_FXP_READ; + request_id = sftp->request_id++; + chunk->request_id = request_id; + _libssh2_store_u32(&s, request_id); + _libssh2_store_str(&s, handle->handle, handle->handle_len); + _libssh2_store_u64(&s, filep->offset_sent); + filep->offset_sent += size; /* advance offset at once */ + _libssh2_store_u32(&s, size); + + /* add this new entry LAST in the list */ + _libssh2_list_add(&handle->packet_list, &chunk->node); + count -= size; /* deduct the size we used, as we might have + to create more packets */ + } + + case libssh2_NB_state_sent: + + sftp->read_state = libssh2_NB_state_idle; + + /* move through the READ packets that haven't been sent and send as + many as possible - remember that we don't block */ + chunk = _libssh2_list_first(&handle->packet_list); + + while(chunk) { + if(chunk->lefttosend) { + + rc = _libssh2_channel_write(channel, 0, + &chunk->packet[chunk->sent], + chunk->lefttosend); + if(rc < 0) { + sftp->read_state = libssh2_NB_state_sent; + return rc; + } + + /* remember where to continue sending the next time */ + chunk->lefttosend -= rc; + chunk->sent += rc; + + if(chunk->lefttosend) + /* data left to send, get out of loop */ + break; + } + + /* move on to the next chunk with data to send */ + chunk = _libssh2_list_next(&chunk->node); + } + + case libssh2_NB_state_sent2: + + sftp->read_state = libssh2_NB_state_idle; + + /* + * Count all ACKed packets and act on the contents of them. + */ + chunk = _libssh2_list_first(&handle->packet_list); + + while(chunk) { + unsigned char *data; + size_t data_len; + uint32_t rc32; + static const unsigned char read_responses[2] = { + SSH_FXP_DATA, SSH_FXP_STATUS + }; + + if(chunk->lefttosend) + /* if the chunk still has data left to send, we shouldn't wait + for an ACK for it just yet */ + break; + + rc = sftp_packet_requirev(sftp, 2, read_responses, + chunk->request_id, &data, &data_len); + if (rc < 0) { + sftp->read_state = libssh2_NB_state_sent2; + return rc; + } + + /* + * We get DATA or STATUS back. STATUS can be error, or it is + * FX_EOF when we reach the end of the file. + */ + + switch (data[0]) { + case SSH_FXP_STATUS: + /* remove the chunk we just processed keeping track of the + * next one in case we need it */ + next = _libssh2_list_next(&chunk->node); + _libssh2_list_remove(&chunk->node); + LIBSSH2_FREE(session, chunk); + + /* we must remove all outstanding READ requests, as either we + got an error or we're at end of file */ + sftp_packetlist_flush(handle); + + rc32 = _libssh2_ntohu32(data + 5); + LIBSSH2_FREE(session, data); + + if (rc32 == LIBSSH2_FX_EOF) { + filep->eof = TRUE; + return 0; + } + else { + sftp->last_errno = rc32; + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP READ error"); + } + break; + + case SSH_FXP_DATA: + rc32 = _libssh2_ntohu32(data + 5); + if (rc32 > (data_len - 9)) + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP Protocol badness"); + + if(rc32 != chunk->len) { + /* a short read does not imply end of file, but we must + adjust the offset_sent since it was advanced with a + full chunk->len before */ + filep->offset_sent -= (chunk->len - rc32); + } + + if(rc32 > buffer_size) { + /* figure out the overlap amount */ + filep->data_left = rc32 - buffer_size; + + /* getting the full packet would overflow the buffer, so + only get the correct amount and keep the remainder */ + rc32 = (uint32_t)buffer_size; + + /* store data to keep for next call */ + filep->data = data; + filep->data_len = data_len; + } + else + filep->data_len = 0; + + /* copy the received data from the received FXP_DATA packet to + the buffer at the correct index */ + memcpy(buffer, data + 9, rc32); + filep->offset += rc32; + + if(filep->data_len == 0) + /* free the allocated data if not stored to keep */ + LIBSSH2_FREE(session, data); + + + /* remove the chunk we just processed keeping track of the + * next one in case we need it */ + next = _libssh2_list_next(&chunk->node); + _libssh2_list_remove(&chunk->node); + LIBSSH2_FREE(session, chunk); + chunk = NULL; + + if(rc32 > 0) { + /* we must return as we wrote some data to the buffer */ + return rc32; + } else { + /* A zero-byte read is not necessarily EOF so we must not + * return 0 (that would signal EOF to the caller) so + * instead we carry on to the next chunk */ + chunk = next; + } + + break; + default: + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP Protocol badness: unrecognised " + "read request response"); + } + } + + break; + + default: + assert(!"State machine error; unrecognised read state"); + } + + return 0; +} + +/* libssh2_sftp_read + * Read from an SFTP file handle + */ +LIBSSH2_API ssize_t +libssh2_sftp_read(LIBSSH2_SFTP_HANDLE *hnd, char *buffer, + size_t buffer_maxlen) +{ + ssize_t rc; + if(!hnd) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, hnd->sftp->channel->session, + sftp_read(hnd, buffer, buffer_maxlen)); + return rc; +} + +/* sftp_readdir + * Read from an SFTP directory handle + */ +static ssize_t sftp_readdir(LIBSSH2_SFTP_HANDLE *handle, char *buffer, + size_t buffer_maxlen, char *longentry, + size_t longentry_maxlen, + LIBSSH2_SFTP_ATTRIBUTES *attrs) +{ + LIBSSH2_SFTP *sftp = handle->sftp; + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + size_t data_len; + uint32_t num_names; + /* 13 = packet_len(4) + packet_type(1) + request_id(4) + handle_len(4) */ + uint32_t packet_len = handle->handle_len + 13; + unsigned char *s, *data; + static const unsigned char read_responses[2] = { + SSH_FXP_NAME, SSH_FXP_STATUS }; + ssize_t retcode; + + if (sftp->readdir_state == libssh2_NB_state_idle) { + if (handle->u.dir.names_left) { + /* + * A prior request returned more than one directory entry, + * feed it back from the buffer + */ + LIBSSH2_SFTP_ATTRIBUTES attrs_dummy; + size_t real_longentry_len; + size_t real_filename_len; + size_t filename_len; + size_t longentry_len; + + s = (unsigned char *) handle->u.dir.next_name; + real_filename_len = _libssh2_ntohu32(s); + + s += 4; + + filename_len = real_filename_len; + if (filename_len >= buffer_maxlen) { + filename_len = LIBSSH2_ERROR_BUFFER_TOO_SMALL; + goto end; + } + + memcpy(buffer, s, filename_len); + buffer[filename_len] = '\0'; /* zero terminate */ + s += real_filename_len; + + real_longentry_len = _libssh2_ntohu32(s); + s += 4; + + if (longentry && (longentry_maxlen>1)) { + longentry_len = real_longentry_len; + + if (longentry_len >= longentry_maxlen) { + filename_len = LIBSSH2_ERROR_BUFFER_TOO_SMALL; + goto end; + } + + memcpy(longentry, s, longentry_len); + longentry[longentry_len] = '\0'; /* zero terminate */ + } + s += real_longentry_len; + + if (attrs) + memset(attrs, 0, sizeof(LIBSSH2_SFTP_ATTRIBUTES)); + + s += sftp_bin2attr(attrs ? attrs : &attrs_dummy, s); + + handle->u.dir.next_name = (char *) s; + end: + + if ((--handle->u.dir.names_left) == 0) + LIBSSH2_FREE(session, handle->u.dir.names_packet); + + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "libssh2_sftp_readdir_ex() return %d", + filename_len); + return (ssize_t)filename_len; + } + + /* Request another entry(entries?) */ + + s = sftp->readdir_packet = LIBSSH2_ALLOC(session, packet_len); + if (!sftp->readdir_packet) + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "FXP_READDIR packet"); + + _libssh2_store_u32(&s, packet_len - 4); + *(s++) = SSH_FXP_READDIR; + sftp->readdir_request_id = sftp->request_id++; + _libssh2_store_u32(&s, sftp->readdir_request_id); + _libssh2_store_str(&s, handle->handle, handle->handle_len); + + sftp->readdir_state = libssh2_NB_state_created; + } + + if (sftp->readdir_state == libssh2_NB_state_created) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "Reading entries from directory handle"); + retcode = _libssh2_channel_write(channel, 0, sftp->readdir_packet, + packet_len); + if (retcode == LIBSSH2_ERROR_EAGAIN) { + return retcode; + } + else if ((ssize_t)packet_len != retcode) { + LIBSSH2_FREE(session, sftp->readdir_packet); + sftp->readdir_packet = NULL; + sftp->readdir_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "_libssh2_channel_write() failed"); + } + + LIBSSH2_FREE(session, sftp->readdir_packet); + sftp->readdir_packet = NULL; + + sftp->readdir_state = libssh2_NB_state_sent; + } + + retcode = sftp_packet_requirev(sftp, 2, read_responses, + sftp->readdir_request_id, &data, + &data_len); + if (retcode == LIBSSH2_ERROR_EAGAIN) + return retcode; + else if (retcode) { + sftp->readdir_state = libssh2_NB_state_idle; + return _libssh2_error(session, retcode, + "Timeout waiting for status message"); + } + + if (data[0] == SSH_FXP_STATUS) { + retcode = _libssh2_ntohu32(data + 5); + LIBSSH2_FREE(session, data); + if (retcode == LIBSSH2_FX_EOF) { + sftp->readdir_state = libssh2_NB_state_idle; + return 0; + } + else { + sftp->last_errno = retcode; + sftp->readdir_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP Protocol Error"); + } + } + + sftp->readdir_state = libssh2_NB_state_idle; + + num_names = _libssh2_ntohu32(data + 5); + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "%lu entries returned", + num_names); + if (!num_names) { + LIBSSH2_FREE(session, data); + return 0; + } + + handle->u.dir.names_left = num_names; + handle->u.dir.names_packet = data; + handle->u.dir.next_name = (char *) data + 9; + + /* use the name popping mechanism from the start of the function */ + return sftp_readdir(handle, buffer, buffer_maxlen, longentry, + longentry_maxlen, attrs); +} + +/* libssh2_sftp_readdir_ex + * Read from an SFTP directory handle + */ +LIBSSH2_API int +libssh2_sftp_readdir_ex(LIBSSH2_SFTP_HANDLE *hnd, char *buffer, + size_t buffer_maxlen, char *longentry, + size_t longentry_maxlen, + LIBSSH2_SFTP_ATTRIBUTES *attrs) +{ + int rc; + if(!hnd) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, hnd->sftp->channel->session, + sftp_readdir(hnd, buffer, buffer_maxlen, longentry, + longentry_maxlen, attrs)); + return rc; +} + +/* + * sftp_write + * + * Write data to an SFTP handle. Returns the number of bytes written, or + * a negative error code. + * + * We recommend sending very large data buffers to this function! + * + * Concept: + * + * - Detect how much of the given buffer that was already sent in a previous + * call by inspecting the linked list of outgoing chunks. Make sure to skip + * passed the data that has already been taken care of. + * + * - Split all (new) outgoing data in chunks no larger than N. + * + * - Each N bytes chunk gets created as a separate SFTP packet. + * + * - Add all created outgoing packets to the linked list. + * + * - Walk through the list and send the chunks that haven't been sent, + * as many as possible until EAGAIN. Some of the chunks may have been put + * in the list in a previous invoke. + * + * - For all the chunks in the list that have been completely sent off, check + * for ACKs. If a chunk has been ACKed, it is removed from the linked + * list and the "acked" counter gets increased with that data amount. + * + * - Return TOTAL bytes acked so far. + * + * Caveats: + * - be careful: we must not return a higher number than what was given! + * + * TODO: + * Introduce an option that disables this sort of "speculative" ahead writing + * as there's a risk that it will do harm to some app. + */ + +static ssize_t sftp_write(LIBSSH2_SFTP_HANDLE *handle, const char *buffer, + size_t count) +{ + LIBSSH2_SFTP *sftp = handle->sftp; + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + size_t data_len; + uint32_t retcode; + uint32_t packet_len; + unsigned char *s, *data; + ssize_t rc; + struct sftp_pipeline_chunk *chunk; + struct sftp_pipeline_chunk *next; + size_t acked = 0; + size_t org_count = count; + size_t already; + + switch(sftp->write_state) { + default: + case libssh2_NB_state_idle: + + /* Number of bytes sent off that haven't been acked and therefor we + will get passed in here again. + + Also, add up the number of bytes that actually already have been + acked but we haven't been able to return as such yet, so we will + get that data as well passed in here again. + */ + already = (handle->u.file.offset_sent - handle->u.file.offset)+ + handle->u.file.acked; + + if(count >= already) { + /* skip the part already made into packets */ + buffer += already; + count -= already; + } + else + /* there is more data already fine than what we got in this call */ + count = 0; + + sftp->write_state = libssh2_NB_state_idle; + while(count) { + /* TODO: Possibly this should have some logic to prevent a very + very small fraction to be left but lets ignore that for now */ + uint32_t size = MIN(MAX_SFTP_OUTGOING_SIZE, count); + uint32_t request_id; + + /* 25 = packet_len(4) + packet_type(1) + request_id(4) + + handle_len(4) + offset(8) + count(4) */ + packet_len = handle->handle_len + size + 25; + + chunk = LIBSSH2_ALLOC(session, packet_len + + sizeof(struct sftp_pipeline_chunk)); + if (!chunk) + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "malloc fail for FXP_WRITE"); + + chunk->len = size; + chunk->sent = 0; + chunk->lefttosend = packet_len; + + s = chunk->packet; + _libssh2_store_u32(&s, packet_len - 4); + + *(s++) = SSH_FXP_WRITE; + request_id = sftp->request_id++; + chunk->request_id = request_id; + _libssh2_store_u32(&s, request_id); + _libssh2_store_str(&s, handle->handle, handle->handle_len); + _libssh2_store_u64(&s, handle->u.file.offset_sent); + handle->u.file.offset_sent += size; /* advance offset at once */ + _libssh2_store_str(&s, buffer, size); + + /* add this new entry LAST in the list */ + _libssh2_list_add(&handle->packet_list, &chunk->node); + + buffer += size; + count -= size; /* deduct the size we used, as we might have + to create more packets */ + } + + /* move through the WRITE packets that haven't been sent and send as many + as possible - remember that we don't block */ + chunk = _libssh2_list_first(&handle->packet_list); + + while(chunk) { + if(chunk->lefttosend) { + rc = _libssh2_channel_write(channel, 0, + &chunk->packet[chunk->sent], + chunk->lefttosend); + if(rc < 0) + /* remain in idle state */ + return rc; + + /* remember where to continue sending the next time */ + chunk->lefttosend -= rc; + chunk->sent += rc; + + if(chunk->lefttosend) + /* data left to send, get out of loop */ + break; + } + + /* move on to the next chunk with data to send */ + chunk = _libssh2_list_next(&chunk->node); + } + + /* fall-through */ + case libssh2_NB_state_sent: + + sftp->write_state = libssh2_NB_state_idle; + /* + * Count all ACKed packets + */ + chunk = _libssh2_list_first(&handle->packet_list); + + while(chunk) { + if(chunk->lefttosend) + /* if the chunk still has data left to send, we shouldn't wait + for an ACK for it just yet */ + break; + + else if(acked) + /* if we have sent data that is acked, we must return that + info before we call a function that might return EAGAIN */ + break; + + /* we check the packets in order */ + rc = sftp_packet_require(sftp, SSH_FXP_STATUS, + chunk->request_id, &data, &data_len); + if (rc < 0) { + if (rc == LIBSSH2_ERROR_EAGAIN) + sftp->write_state = libssh2_NB_state_sent; + return rc; + } + + retcode = _libssh2_ntohu32(data + 5); + LIBSSH2_FREE(session, data); + + sftp->last_errno = retcode; + if (retcode == LIBSSH2_FX_OK) { + acked += chunk->len; /* number of payload data that was acked + here */ + + /* we increase the offset value for all acks */ + handle->u.file.offset += chunk->len; + + next = _libssh2_list_next(&chunk->node); + + _libssh2_list_remove(&chunk->node); /* remove from list */ + LIBSSH2_FREE(session, chunk); /* free memory */ + + chunk = next; + } + else { + /* flush all pending packets from the outgoing list */ + sftp_packetlist_flush(handle); + + /* since we return error now, the applicaton will not get any + outstanding data acked, so we need to rewind the offset to + where the application knows it has reached with acked data */ + handle->u.file.offset -= handle->u.file.acked; + + /* then reset the offset_sent to be the same as the offset */ + handle->u.file.offset_sent = handle->u.file.offset; + + /* clear the acked counter since we can have no pending data to + ack after an error */ + handle->u.file.acked = 0; + + /* the server returned an error for that written chunk, propagate + this back to our parent function */ + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "FXP write failed"); + } + } + break; + } + + /* if there were acked data in a previous call that wasn't returned then, + add that up and try to return it all now. This can happen if the app + first sends a huge buffer of data, and then in a second call it sends a + smaller one. */ + acked += handle->u.file.acked; + + if(acked) { + ssize_t ret = MIN(acked, org_count); + /* we got data acked so return that amount, but no more than what + was asked to get sent! */ + + /* store the remainder. 'ret' is always equal to or less than 'acked' + here */ + handle->u.file.acked = acked - ret; + + return ret; + } + + else + return 0; /* nothing was acked, and no EAGAIN was received! */ +} + +/* libssh2_sftp_write + * Write data to a file handle + */ +LIBSSH2_API ssize_t +libssh2_sftp_write(LIBSSH2_SFTP_HANDLE *hnd, const char *buffer, + size_t count) +{ + ssize_t rc; + if(!hnd) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, hnd->sftp->channel->session, + sftp_write(hnd, buffer, count)); + return rc; + +} + +/* + * sftp_fstat + * + * Get or Set stat on a file + */ +static int sftp_fstat(LIBSSH2_SFTP_HANDLE *handle, + LIBSSH2_SFTP_ATTRIBUTES *attrs, int setstat) +{ + LIBSSH2_SFTP *sftp = handle->sftp; + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + size_t data_len; + /* 13 = packet_len(4) + packet_type(1) + request_id(4) + handle_len(4) */ + uint32_t packet_len = + handle->handle_len + 13 + (setstat ? sftp_attrsize(attrs->flags) : 0); + unsigned char *s, *data; + static const unsigned char fstat_responses[2] = + { SSH_FXP_ATTRS, SSH_FXP_STATUS }; + ssize_t rc; + + if (sftp->fstat_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "Issuing %s command", + setstat ? "set-stat" : "stat"); + s = sftp->fstat_packet = LIBSSH2_ALLOC(session, packet_len); + if (!sftp->fstat_packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "FSTAT/FSETSTAT packet"); + } + + _libssh2_store_u32(&s, packet_len - 4); + *(s++) = setstat ? SSH_FXP_FSETSTAT : SSH_FXP_FSTAT; + sftp->fstat_request_id = sftp->request_id++; + _libssh2_store_u32(&s, sftp->fstat_request_id); + _libssh2_store_str(&s, handle->handle, handle->handle_len); + + if (setstat) { + s += sftp_attr2bin(s, attrs); + } + + sftp->fstat_state = libssh2_NB_state_created; + } + + if (sftp->fstat_state == libssh2_NB_state_created) { + rc = _libssh2_channel_write(channel, 0, sftp->fstat_packet, + packet_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } + else if ((ssize_t)packet_len != rc) { + LIBSSH2_FREE(session, sftp->fstat_packet); + sftp->fstat_packet = NULL; + sftp->fstat_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + (setstat ? "Unable to send FXP_FSETSTAT" + : "Unable to send FXP_FSTAT command")); + } + LIBSSH2_FREE(session, sftp->fstat_packet); + sftp->fstat_packet = NULL; + + sftp->fstat_state = libssh2_NB_state_sent; + } + + rc = sftp_packet_requirev(sftp, 2, fstat_responses, + sftp->fstat_request_id, &data, + &data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + else if (rc) { + sftp->fstat_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Timeout waiting for status message"); + } + + sftp->fstat_state = libssh2_NB_state_idle; + + if (data[0] == SSH_FXP_STATUS) { + uint32_t retcode; + + retcode = _libssh2_ntohu32(data + 5); + LIBSSH2_FREE(session, data); + if (retcode == LIBSSH2_FX_OK) { + return 0; + } else { + sftp->last_errno = retcode; + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP Protocol Error"); + } + } + + sftp_bin2attr(attrs, data + 5); + LIBSSH2_FREE(session, data); + + return 0; +} + +/* libssh2_sftp_fstat_ex + * Get or Set stat on a file + */ +LIBSSH2_API int +libssh2_sftp_fstat_ex(LIBSSH2_SFTP_HANDLE *hnd, + LIBSSH2_SFTP_ATTRIBUTES *attrs, int setstat) +{ + int rc; + if(!hnd || !attrs) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, hnd->sftp->channel->session, + sftp_fstat(hnd, attrs, setstat)); + return rc; +} + + +/* libssh2_sftp_seek64 + * Set the read/write pointer to an arbitrary position within the file + */ +LIBSSH2_API void +libssh2_sftp_seek64(LIBSSH2_SFTP_HANDLE *handle, libssh2_uint64_t offset) +{ + if(handle) { + handle->u.file.offset = handle->u.file.offset_sent = offset; + /* discard all pending requests and currently read data */ + sftp_packetlist_flush(handle); + + /* free the left received buffered data */ + if (handle->u.file.data_left) { + LIBSSH2_FREE(handle->sftp->channel->session, handle->u.file.data); + handle->u.file.data_left = handle->u.file.data_len = 0; + handle->u.file.data = NULL; + } + + /* reset EOF to False */ + handle->u.file.eof = FALSE; + } +} + +/* libssh2_sftp_seek + * Set the read/write pointer to an arbitrary position within the file + */ +LIBSSH2_API void +libssh2_sftp_seek(LIBSSH2_SFTP_HANDLE *handle, size_t offset) +{ + libssh2_sftp_seek64(handle, (libssh2_uint64_t)offset); +} + +/* libssh2_sftp_tell + * Return the current read/write pointer's offset + */ +LIBSSH2_API size_t +libssh2_sftp_tell(LIBSSH2_SFTP_HANDLE *handle) +{ + if(!handle) + return 0; /* no handle, no size */ + + /* NOTE: this may very well truncate the size if it is larger than what + size_t can hold, so libssh2_sftp_tell64() is really the function you + should use */ + return (size_t)(handle->u.file.offset); +} + +/* libssh2_sftp_tell64 + * Return the current read/write pointer's offset + */ +LIBSSH2_API libssh2_uint64_t +libssh2_sftp_tell64(LIBSSH2_SFTP_HANDLE *handle) +{ + if(!handle) + return 0; /* no handle, no size */ + + return handle->u.file.offset; +} + +/* + * Flush all remaining incoming SFTP packets and zombies. + */ +static void sftp_packet_flush(LIBSSH2_SFTP *sftp) +{ + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + LIBSSH2_SFTP_PACKET *packet = _libssh2_list_first(&sftp->packets); + struct sftp_zombie_requests *zombie = + _libssh2_list_first(&sftp->zombie_requests); + + while(packet) { + LIBSSH2_SFTP_PACKET *next; + + /* check next struct in the list */ + next = _libssh2_list_next(&packet->node); + _libssh2_list_remove(&packet->node); + LIBSSH2_FREE(session, packet->data); + LIBSSH2_FREE(session, packet); + + packet = next; + } + + while(zombie) { + /* figure out the next node */ + struct sftp_zombie_requests *next = _libssh2_list_next(&zombie->node); + /* unlink the current one */ + _libssh2_list_remove(&zombie->node); + /* free the memory */ + LIBSSH2_FREE(session, zombie); + zombie = next; + } + +} + +/* sftp_close_handle + * + * Close a file or directory handle + * Also frees handle resource and unlinks it from the SFTP structure + */ +static int +sftp_close_handle(LIBSSH2_SFTP_HANDLE *handle) +{ + LIBSSH2_SFTP *sftp = handle->sftp; + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + size_t data_len; + int retcode; + /* 13 = packet_len(4) + packet_type(1) + request_id(4) + handle_len(4) */ + uint32_t packet_len = handle->handle_len + 13; + unsigned char *s, *data = NULL; + int rc; + + if (handle->close_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "Closing handle"); + s = handle->close_packet = LIBSSH2_ALLOC(session, packet_len); + if (!handle->close_packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for FXP_CLOSE " + "packet"); + } + + _libssh2_store_u32(&s, packet_len - 4); + *(s++) = SSH_FXP_CLOSE; + handle->close_request_id = sftp->request_id++; + _libssh2_store_u32(&s, handle->close_request_id); + _libssh2_store_str(&s, handle->handle, handle->handle_len); + handle->close_state = libssh2_NB_state_created; + } + + if (handle->close_state == libssh2_NB_state_created) { + rc = _libssh2_channel_write(channel, 0, handle->close_packet, + packet_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if ((ssize_t)packet_len != rc) { + LIBSSH2_FREE(session, handle->close_packet); + handle->close_packet = NULL; + handle->close_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send FXP_CLOSE command"); + } + LIBSSH2_FREE(session, handle->close_packet); + handle->close_packet = NULL; + + handle->close_state = libssh2_NB_state_sent; + } + + if (handle->close_state == libssh2_NB_state_sent) { + rc = sftp_packet_require(sftp, SSH_FXP_STATUS, + handle->close_request_id, &data, + &data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + handle->close_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Error waiting for status message"); + } + + handle->close_state = libssh2_NB_state_sent1; + } + + if(!data) + /* if it reaches this point with data unset, something unwanted + happened (like this function is called again when in + libssh2_NB_state_sent1 state) and we just bail out */ + return LIBSSH2_ERROR_INVAL; + + retcode = _libssh2_ntohu32(data + 5); + LIBSSH2_FREE(session, data); + + if (retcode != LIBSSH2_FX_OK) { + sftp->last_errno = retcode; + handle->close_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP Protocol Error"); + } + + /* remove this handle from the parent's list */ + _libssh2_list_remove(&handle->node); + + if ((handle->handle_type == LIBSSH2_SFTP_HANDLE_DIR) + && handle->u.dir.names_left) { + LIBSSH2_FREE(session, handle->u.dir.names_packet); + } + else { + if(handle->u.file.data) + LIBSSH2_FREE(session, handle->u.file.data); + } + + sftp_packetlist_flush(handle); + sftp->read_state = libssh2_NB_state_idle; + + handle->close_state = libssh2_NB_state_idle; + + LIBSSH2_FREE(session, handle); + + return 0; +} + +/* libssh2_sftp_close_handle + * + * Close a file or directory handle + * Also frees handle resource and unlinks it from the SFTP structure + */ +LIBSSH2_API int +libssh2_sftp_close_handle(LIBSSH2_SFTP_HANDLE *hnd) +{ + int rc; + if(!hnd) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, hnd->sftp->channel->session, sftp_close_handle(hnd)); + return rc; +} + +/* sftp_unlink + * Delete a file from the remote server + */ +static int sftp_unlink(LIBSSH2_SFTP *sftp, const char *filename, + size_t filename_len) +{ + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + size_t data_len; + int retcode; + /* 13 = packet_len(4) + packet_type(1) + request_id(4) + filename_len(4) */ + uint32_t packet_len = filename_len + 13; + unsigned char *s, *data; + int rc; + + if (sftp->unlink_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "Unlinking %s", filename); + s = sftp->unlink_packet = LIBSSH2_ALLOC(session, packet_len); + if (!sftp->unlink_packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for FXP_REMOVE " + "packet"); + } + + _libssh2_store_u32(&s, packet_len - 4); + *(s++) = SSH_FXP_REMOVE; + sftp->unlink_request_id = sftp->request_id++; + _libssh2_store_u32(&s, sftp->unlink_request_id); + _libssh2_store_str(&s, filename, filename_len); + sftp->unlink_state = libssh2_NB_state_created; + } + + if (sftp->unlink_state == libssh2_NB_state_created) { + rc = _libssh2_channel_write(channel, 0, sftp->unlink_packet, + packet_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if ((ssize_t)packet_len != rc) { + LIBSSH2_FREE(session, sftp->unlink_packet); + sftp->unlink_packet = NULL; + sftp->unlink_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send FXP_REMOVE command"); + } + LIBSSH2_FREE(session, sftp->unlink_packet); + sftp->unlink_packet = NULL; + + sftp->unlink_state = libssh2_NB_state_sent; + } + + rc = sftp_packet_require(sftp, SSH_FXP_STATUS, + sftp->unlink_request_id, &data, + &data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } + else if (rc) { + sftp->unlink_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Error waiting for FXP STATUS"); + } + + sftp->unlink_state = libssh2_NB_state_idle; + + retcode = _libssh2_ntohu32(data + 5); + LIBSSH2_FREE(session, data); + + if (retcode == LIBSSH2_FX_OK) { + return 0; + } else { + sftp->last_errno = retcode; + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP Protocol Error"); + } +} + +/* libssh2_sftp_unlink_ex + * Delete a file from the remote server + */ +LIBSSH2_API int +libssh2_sftp_unlink_ex(LIBSSH2_SFTP *sftp, const char *filename, + unsigned int filename_len) +{ + int rc; + if(!sftp) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, sftp->channel->session, + sftp_unlink(sftp, filename, filename_len)); + return rc; +} + +/* + * sftp_rename + * + * Rename a file on the remote server + */ +static int sftp_rename(LIBSSH2_SFTP *sftp, const char *source_filename, + unsigned int source_filename_len, + const char *dest_filename, + unsigned int dest_filename_len, long flags) +{ + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + size_t data_len; + int retcode; + uint32_t packet_len = + source_filename_len + dest_filename_len + 17 + (sftp->version >= + 5 ? 4 : 0); + /* packet_len(4) + packet_type(1) + request_id(4) + + source_filename_len(4) + dest_filename_len(4) + flags(4){SFTP5+) */ + unsigned char *data; + ssize_t rc; + + if (sftp->version < 2) { + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "Server does not support RENAME"); + } + + if (sftp->rename_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "Renaming %s to %s", + source_filename, dest_filename); + sftp->rename_s = sftp->rename_packet = + LIBSSH2_ALLOC(session, packet_len); + if (!sftp->rename_packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for FXP_RENAME " + "packet"); + } + + _libssh2_store_u32(&sftp->rename_s, packet_len - 4); + *(sftp->rename_s++) = SSH_FXP_RENAME; + sftp->rename_request_id = sftp->request_id++; + _libssh2_store_u32(&sftp->rename_s, sftp->rename_request_id); + _libssh2_store_str(&sftp->rename_s, source_filename, + source_filename_len); + _libssh2_store_str(&sftp->rename_s, dest_filename, dest_filename_len); + + if (sftp->version >= 5) + _libssh2_store_u32(&sftp->rename_s, flags); + + sftp->rename_state = libssh2_NB_state_created; + } + + if (sftp->rename_state == libssh2_NB_state_created) { + rc = _libssh2_channel_write(channel, 0, sftp->rename_packet, + sftp->rename_s - sftp->rename_packet); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if ((ssize_t)packet_len != rc) { + LIBSSH2_FREE(session, sftp->rename_packet); + sftp->rename_packet = NULL; + sftp->rename_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send FXP_RENAME command"); + } + LIBSSH2_FREE(session, sftp->rename_packet); + sftp->rename_packet = NULL; + + sftp->rename_state = libssh2_NB_state_sent; + } + + rc = sftp_packet_require(sftp, SSH_FXP_STATUS, + sftp->rename_request_id, &data, + &data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + sftp->rename_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Error waiting for FXP STATUS"); + } + + sftp->rename_state = libssh2_NB_state_idle; + + retcode = _libssh2_ntohu32(data + 5); + LIBSSH2_FREE(session, data); + + sftp->last_errno = retcode; + + /* now convert the SFTP error code to libssh2 return code or error + message */ + switch (retcode) { + case LIBSSH2_FX_OK: + retcode = LIBSSH2_ERROR_NONE; + break; + + case LIBSSH2_FX_FILE_ALREADY_EXISTS: + retcode = _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "File already exists and " + "SSH_FXP_RENAME_OVERWRITE not specified"); + break; + + case LIBSSH2_FX_OP_UNSUPPORTED: + retcode = _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "Operation Not Supported"); + break; + + default: + retcode = _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP Protocol Error"); + break; + } + + return retcode; +} + +/* libssh2_sftp_rename_ex + * Rename a file on the remote server + */ +LIBSSH2_API int +libssh2_sftp_rename_ex(LIBSSH2_SFTP *sftp, const char *source_filename, + unsigned int source_filename_len, + const char *dest_filename, + unsigned int dest_filename_len, long flags) +{ + int rc; + if(!sftp) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, sftp->channel->session, + sftp_rename(sftp, source_filename, source_filename_len, + dest_filename, dest_filename_len, flags)); + return rc; +} + +/* + * sftp_fstatvfs + * + * Get file system statistics + */ +static int sftp_fstatvfs(LIBSSH2_SFTP_HANDLE *handle, LIBSSH2_SFTP_STATVFS *st) +{ + LIBSSH2_SFTP *sftp = handle->sftp; + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + size_t data_len; + /* 17 = packet_len(4) + packet_type(1) + request_id(4) + ext_len(4) + + handle_len (4) */ + /* 20 = strlen ("fstatvfs@openssh.com") */ + uint32_t packet_len = handle->handle_len + 20 + 17; + unsigned char *packet, *s, *data; + ssize_t rc; + unsigned int flag; + + if (sftp->fstatvfs_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "Getting file system statistics"); + s = packet = LIBSSH2_ALLOC(session, packet_len); + if (!packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for FXP_EXTENDED " + "packet"); + } + + _libssh2_store_u32(&s, packet_len - 4); + *(s++) = SSH_FXP_EXTENDED; + sftp->fstatvfs_request_id = sftp->request_id++; + _libssh2_store_u32(&s, sftp->fstatvfs_request_id); + _libssh2_store_str(&s, "fstatvfs@openssh.com", 20); + _libssh2_store_str(&s, handle->handle, handle->handle_len); + + sftp->fstatvfs_state = libssh2_NB_state_created; + } + else { + packet = sftp->fstatvfs_packet; + } + + if (sftp->fstatvfs_state == libssh2_NB_state_created) { + rc = _libssh2_channel_write(channel, 0, packet, packet_len); + if (rc == LIBSSH2_ERROR_EAGAIN || + (0 <= rc && rc < (ssize_t)packet_len)) { + sftp->fstatvfs_packet = packet; + return LIBSSH2_ERROR_EAGAIN; + } + + LIBSSH2_FREE(session, packet); + sftp->fstatvfs_packet = NULL; + + if (rc < 0) { + sftp->fstatvfs_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "_libssh2_channel_write() failed"); + } + sftp->fstatvfs_state = libssh2_NB_state_sent; + } + + rc = sftp_packet_require(sftp, SSH_FXP_EXTENDED_REPLY, + sftp->fstatvfs_request_id, &data, &data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + sftp->fstatvfs_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Error waiting for FXP EXTENDED REPLY"); + } else if (data_len < 93) { + LIBSSH2_FREE(session, data); + sftp->fstatvfs_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP Protocol Error: short response"); + } + + sftp->fstatvfs_state = libssh2_NB_state_idle; + + st->f_bsize = _libssh2_ntohu64(data + 5); + st->f_frsize = _libssh2_ntohu64(data + 13); + st->f_blocks = _libssh2_ntohu64(data + 21); + st->f_bfree = _libssh2_ntohu64(data + 29); + st->f_bavail = _libssh2_ntohu64(data + 37); + st->f_files = _libssh2_ntohu64(data + 45); + st->f_ffree = _libssh2_ntohu64(data + 53); + st->f_favail = _libssh2_ntohu64(data + 61); + st->f_fsid = _libssh2_ntohu64(data + 69); + flag = _libssh2_ntohu64(data + 77); + st->f_namemax = _libssh2_ntohu64(data + 85); + + st->f_flag = (flag & SSH_FXE_STATVFS_ST_RDONLY) + ? LIBSSH2_SFTP_ST_RDONLY : 0; + st->f_flag |= (flag & SSH_FXE_STATVFS_ST_NOSUID) + ? LIBSSH2_SFTP_ST_NOSUID : 0; + + LIBSSH2_FREE(session, data); + return 0; +} + +/* libssh2_sftp_fstatvfs + * Get filesystem space and inode utilization (requires fstatvfs@openssh.com + * support on the server) + */ +LIBSSH2_API int +libssh2_sftp_fstatvfs(LIBSSH2_SFTP_HANDLE *handle, LIBSSH2_SFTP_STATVFS *st) +{ + int rc; + if(!handle || !st) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, handle->sftp->channel->session, sftp_fstatvfs(handle, st)); + return rc; +} + +/* + * sftp_statvfs + * + * Get file system statistics + */ +static int sftp_statvfs(LIBSSH2_SFTP *sftp, const char *path, + unsigned int path_len, LIBSSH2_SFTP_STATVFS *st) +{ + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + size_t data_len; + /* 17 = packet_len(4) + packet_type(1) + request_id(4) + ext_len(4) + + path_len (4) */ + /* 19 = strlen ("statvfs@openssh.com") */ + uint32_t packet_len = path_len + 19 + 17; + unsigned char *packet, *s, *data; + ssize_t rc; + unsigned int flag; + + if (sftp->statvfs_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "Getting file system statistics of %s", path); + s = packet = LIBSSH2_ALLOC(session, packet_len); + if (!packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for FXP_EXTENDED " + "packet"); + } + + _libssh2_store_u32(&s, packet_len - 4); + *(s++) = SSH_FXP_EXTENDED; + sftp->statvfs_request_id = sftp->request_id++; + _libssh2_store_u32(&s, sftp->statvfs_request_id); + _libssh2_store_str(&s, "statvfs@openssh.com", 19); + _libssh2_store_str(&s, path, path_len); + + sftp->statvfs_state = libssh2_NB_state_created; + } + else { + packet = sftp->statvfs_packet; + } + + if (sftp->statvfs_state == libssh2_NB_state_created) { + rc = _libssh2_channel_write(channel, 0, packet, packet_len); + if (rc == LIBSSH2_ERROR_EAGAIN || + (0 <= rc && rc < (ssize_t)packet_len)) { + sftp->statvfs_packet = packet; + return LIBSSH2_ERROR_EAGAIN; + } + + LIBSSH2_FREE(session, packet); + sftp->statvfs_packet = NULL; + + if (rc < 0) { + sftp->statvfs_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "_libssh2_channel_write() failed"); + } + sftp->statvfs_state = libssh2_NB_state_sent; + } + + rc = sftp_packet_require(sftp, SSH_FXP_EXTENDED_REPLY, + sftp->statvfs_request_id, &data, &data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + sftp->statvfs_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Error waiting for FXP EXTENDED REPLY"); + } else if (data_len < 93) { + LIBSSH2_FREE(session, data); + sftp->fstatvfs_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP Protocol Error: short response"); + } + + sftp->statvfs_state = libssh2_NB_state_idle; + + st->f_bsize = _libssh2_ntohu64(data + 5); + st->f_frsize = _libssh2_ntohu64(data + 13); + st->f_blocks = _libssh2_ntohu64(data + 21); + st->f_bfree = _libssh2_ntohu64(data + 29); + st->f_bavail = _libssh2_ntohu64(data + 37); + st->f_files = _libssh2_ntohu64(data + 45); + st->f_ffree = _libssh2_ntohu64(data + 53); + st->f_favail = _libssh2_ntohu64(data + 61); + st->f_fsid = _libssh2_ntohu64(data + 69); + flag = _libssh2_ntohu64(data + 77); + st->f_namemax = _libssh2_ntohu64(data + 85); + + st->f_flag = (flag & SSH_FXE_STATVFS_ST_RDONLY) + ? LIBSSH2_SFTP_ST_RDONLY : 0; + st->f_flag |= (flag & SSH_FXE_STATVFS_ST_NOSUID) + ? LIBSSH2_SFTP_ST_NOSUID : 0; + + LIBSSH2_FREE(session, data); + return 0; +} + +/* libssh2_sftp_statvfs_ex + * Get filesystem space and inode utilization (requires statvfs@openssh.com + * support on the server) + */ +LIBSSH2_API int +libssh2_sftp_statvfs(LIBSSH2_SFTP *sftp, const char *path, + size_t path_len, LIBSSH2_SFTP_STATVFS *st) +{ + int rc; + if(!sftp || !st) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, sftp->channel->session, sftp_statvfs(sftp, path, path_len, + st)); + return rc; +} + + +/* + * sftp_mkdir + * + * Create an SFTP directory + */ +static int sftp_mkdir(LIBSSH2_SFTP *sftp, const char *path, + unsigned int path_len, long mode) +{ + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + LIBSSH2_SFTP_ATTRIBUTES attrs = { + LIBSSH2_SFTP_ATTR_PERMISSIONS, 0, 0, 0, 0, 0, 0 + }; + size_t data_len; + int retcode; + /* 13 = packet_len(4) + packet_type(1) + request_id(4) + path_len(4) */ + ssize_t packet_len = path_len + 13 + + sftp_attrsize(LIBSSH2_SFTP_ATTR_PERMISSIONS); + unsigned char *packet, *s, *data; + int rc; + + if (sftp->mkdir_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, + "Creating directory %s with mode 0%lo", path, mode); + s = packet = LIBSSH2_ALLOC(session, packet_len); + if (!packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for FXP_MKDIR " + "packet"); + } + /* Filetype in SFTP 3 and earlier */ + attrs.permissions = mode | LIBSSH2_SFTP_ATTR_PFILETYPE_DIR; + + _libssh2_store_u32(&s, packet_len - 4); + *(s++) = SSH_FXP_MKDIR; + sftp->mkdir_request_id = sftp->request_id++; + _libssh2_store_u32(&s, sftp->mkdir_request_id); + _libssh2_store_str(&s, path, path_len); + + s += sftp_attr2bin(s, &attrs); + + sftp->mkdir_state = libssh2_NB_state_created; + } + else { + packet = sftp->mkdir_packet; + } + + if (sftp->mkdir_state == libssh2_NB_state_created) { + rc = _libssh2_channel_write(channel, 0, packet, packet_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + sftp->mkdir_packet = packet; + return rc; + } + if (packet_len != rc) { + LIBSSH2_FREE(session, packet); + sftp->mkdir_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "_libssh2_channel_write() failed"); + } + LIBSSH2_FREE(session, packet); + sftp->mkdir_state = libssh2_NB_state_sent; + sftp->mkdir_packet = NULL; + } + + rc = sftp_packet_require(sftp, SSH_FXP_STATUS, sftp->mkdir_request_id, + &data, &data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + sftp->mkdir_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Error waiting for FXP STATUS"); + } + + sftp->mkdir_state = libssh2_NB_state_idle; + + retcode = _libssh2_ntohu32(data + 5); + LIBSSH2_FREE(session, data); + + if (retcode == LIBSSH2_FX_OK) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "OK!"); + return 0; + } else { + sftp->last_errno = retcode; + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP Protocol Error"); + } +} + +/* + * libssh2_sftp_mkdir_ex + * + * Create an SFTP directory + */ +LIBSSH2_API int +libssh2_sftp_mkdir_ex(LIBSSH2_SFTP *sftp, const char *path, + unsigned int path_len, long mode) +{ + int rc; + if(!sftp) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, sftp->channel->session, + sftp_mkdir(sftp, path, path_len, mode)); + return rc; +} + +/* sftp_rmdir + * Remove a directory + */ +static int sftp_rmdir(LIBSSH2_SFTP *sftp, const char *path, + unsigned int path_len) +{ + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + size_t data_len; + int retcode; + /* 13 = packet_len(4) + packet_type(1) + request_id(4) + path_len(4) */ + ssize_t packet_len = path_len + 13; + unsigned char *s, *data; + int rc; + + if (sftp->rmdir_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "Removing directory: %s", + path); + s = sftp->rmdir_packet = LIBSSH2_ALLOC(session, packet_len); + if (!sftp->rmdir_packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for FXP_RMDIR " + "packet"); + } + + _libssh2_store_u32(&s, packet_len - 4); + *(s++) = SSH_FXP_RMDIR; + sftp->rmdir_request_id = sftp->request_id++; + _libssh2_store_u32(&s, sftp->rmdir_request_id); + _libssh2_store_str(&s, path, path_len); + + sftp->rmdir_state = libssh2_NB_state_created; + } + + if (sftp->rmdir_state == libssh2_NB_state_created) { + rc = _libssh2_channel_write(channel, 0, sftp->rmdir_packet, + packet_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (packet_len != rc) { + LIBSSH2_FREE(session, sftp->rmdir_packet); + sftp->rmdir_packet = NULL; + sftp->rmdir_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send FXP_RMDIR command"); + } + LIBSSH2_FREE(session, sftp->rmdir_packet); + sftp->rmdir_packet = NULL; + + sftp->rmdir_state = libssh2_NB_state_sent; + } + + rc = sftp_packet_require(sftp, SSH_FXP_STATUS, + sftp->rmdir_request_id, &data, &data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (rc) { + sftp->rmdir_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Error waiting for FXP STATUS"); + } + + sftp->rmdir_state = libssh2_NB_state_idle; + + retcode = _libssh2_ntohu32(data + 5); + LIBSSH2_FREE(session, data); + + if (retcode == LIBSSH2_FX_OK) { + return 0; + } else { + sftp->last_errno = retcode; + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP Protocol Error"); + } +} + +/* libssh2_sftp_rmdir_ex + * Remove a directory + */ +LIBSSH2_API int +libssh2_sftp_rmdir_ex(LIBSSH2_SFTP *sftp, const char *path, + unsigned int path_len) +{ + int rc; + if(!sftp) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, sftp->channel->session, + sftp_rmdir(sftp, path, path_len)); + return rc; +} + +/* sftp_stat + * Stat a file or symbolic link + */ +static int sftp_stat(LIBSSH2_SFTP *sftp, const char *path, + unsigned int path_len, int stat_type, + LIBSSH2_SFTP_ATTRIBUTES * attrs) +{ + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + size_t data_len; + /* 13 = packet_len(4) + packet_type(1) + request_id(4) + path_len(4) */ + ssize_t packet_len = + path_len + 13 + + ((stat_type == + LIBSSH2_SFTP_SETSTAT) ? sftp_attrsize(attrs->flags) : 0); + unsigned char *s, *data; + static const unsigned char stat_responses[2] = + { SSH_FXP_ATTRS, SSH_FXP_STATUS }; + int rc; + + if (sftp->stat_state == libssh2_NB_state_idle) { + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "%s %s", + (stat_type == LIBSSH2_SFTP_SETSTAT) ? "Set-statting" : + (stat_type == + LIBSSH2_SFTP_LSTAT ? "LStatting" : "Statting"), path); + s = sftp->stat_packet = LIBSSH2_ALLOC(session, packet_len); + if (!sftp->stat_packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for FXP_*STAT " + "packet"); + } + + _libssh2_store_u32(&s, packet_len - 4); + + switch (stat_type) { + case LIBSSH2_SFTP_SETSTAT: + *(s++) = SSH_FXP_SETSTAT; + break; + + case LIBSSH2_SFTP_LSTAT: + *(s++) = SSH_FXP_LSTAT; + break; + + case LIBSSH2_SFTP_STAT: + default: + *(s++) = SSH_FXP_STAT; + } + sftp->stat_request_id = sftp->request_id++; + _libssh2_store_u32(&s, sftp->stat_request_id); + _libssh2_store_str(&s, path, path_len); + + if (stat_type == LIBSSH2_SFTP_SETSTAT) + s += sftp_attr2bin(s, attrs); + + sftp->stat_state = libssh2_NB_state_created; + } + + if (sftp->stat_state == libssh2_NB_state_created) { + rc = _libssh2_channel_write(channel, 0, sftp->stat_packet, packet_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return rc; + } else if (packet_len != rc) { + LIBSSH2_FREE(session, sftp->stat_packet); + sftp->stat_packet = NULL; + sftp->stat_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send STAT/LSTAT/SETSTAT command"); + } + LIBSSH2_FREE(session, sftp->stat_packet); + sftp->stat_packet = NULL; + + sftp->stat_state = libssh2_NB_state_sent; + } + + rc = sftp_packet_requirev(sftp, 2, stat_responses, + sftp->stat_request_id, &data, &data_len); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + else if (rc) { + sftp->stat_state = libssh2_NB_state_idle; + return _libssh2_error(session, rc, + "Timeout waiting for status message"); + } + + sftp->stat_state = libssh2_NB_state_idle; + + if (data[0] == SSH_FXP_STATUS) { + int retcode; + + retcode = _libssh2_ntohu32(data + 5); + LIBSSH2_FREE(session, data); + if (retcode == LIBSSH2_FX_OK) { + return 0; + } else { + sftp->last_errno = retcode; + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP Protocol Error"); + } + } + + memset(attrs, 0, sizeof(LIBSSH2_SFTP_ATTRIBUTES)); + sftp_bin2attr(attrs, data + 5); + LIBSSH2_FREE(session, data); + + return 0; +} + +/* libssh2_sftp_stat_ex + * Stat a file or symbolic link + */ +LIBSSH2_API int +libssh2_sftp_stat_ex(LIBSSH2_SFTP *sftp, const char *path, + unsigned int path_len, int stat_type, + LIBSSH2_SFTP_ATTRIBUTES *attrs) +{ + int rc; + if(!sftp) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, sftp->channel->session, + sftp_stat(sftp, path, path_len, stat_type, attrs)); + return rc; +} + +/* sftp_symlink + * Read or set a symlink + */ +static int sftp_symlink(LIBSSH2_SFTP *sftp, const char *path, + unsigned int path_len, char *target, + unsigned int target_len, int link_type) +{ + LIBSSH2_CHANNEL *channel = sftp->channel; + LIBSSH2_SESSION *session = channel->session; + size_t data_len, link_len; + /* 13 = packet_len(4) + packet_type(1) + request_id(4) + path_len(4) */ + ssize_t packet_len = + path_len + 13 + + ((link_type == LIBSSH2_SFTP_SYMLINK) ? (4 + target_len) : 0); + unsigned char *s, *data; + static const unsigned char link_responses[2] = + { SSH_FXP_NAME, SSH_FXP_STATUS }; + int retcode; + + if ((sftp->version < 3) && (link_type != LIBSSH2_SFTP_REALPATH)) { + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "Server does not support SYMLINK or READLINK"); + } + + if (sftp->symlink_state == libssh2_NB_state_idle) { + s = sftp->symlink_packet = LIBSSH2_ALLOC(session, packet_len); + if (!sftp->symlink_packet) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "SYMLINK/READLINK/REALPATH packet"); + } + + _libssh2_debug(session, LIBSSH2_TRACE_SFTP, "%s %s on %s", + (link_type == + LIBSSH2_SFTP_SYMLINK) ? "Creating" : "Reading", + (link_type == + LIBSSH2_SFTP_REALPATH) ? "realpath" : "symlink", path); + + _libssh2_store_u32(&s, packet_len - 4); + + switch (link_type) { + case LIBSSH2_SFTP_REALPATH: + *(s++) = SSH_FXP_REALPATH; + break; + + case LIBSSH2_SFTP_SYMLINK: + *(s++) = SSH_FXP_SYMLINK; + break; + + case LIBSSH2_SFTP_READLINK: + default: + *(s++) = SSH_FXP_READLINK; + } + sftp->symlink_request_id = sftp->request_id++; + _libssh2_store_u32(&s, sftp->symlink_request_id); + _libssh2_store_str(&s, path, path_len); + + if (link_type == LIBSSH2_SFTP_SYMLINK) + _libssh2_store_str(&s, target, target_len); + + sftp->symlink_state = libssh2_NB_state_created; + } + + if (sftp->symlink_state == libssh2_NB_state_created) { + ssize_t rc = _libssh2_channel_write(channel, 0, sftp->symlink_packet, + packet_len); + if (rc == LIBSSH2_ERROR_EAGAIN) + return rc; + else if (packet_len != rc) { + LIBSSH2_FREE(session, sftp->symlink_packet); + sftp->symlink_packet = NULL; + sftp->symlink_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send SYMLINK/READLINK command"); + } + LIBSSH2_FREE(session, sftp->symlink_packet); + sftp->symlink_packet = NULL; + + sftp->symlink_state = libssh2_NB_state_sent; + } + + retcode = sftp_packet_requirev(sftp, 2, link_responses, + sftp->symlink_request_id, &data, + &data_len); + if (retcode == LIBSSH2_ERROR_EAGAIN) + return retcode; + else if (retcode) { + sftp->symlink_state = libssh2_NB_state_idle; + return _libssh2_error(session, retcode, + "Error waiting for status message"); + } + + sftp->symlink_state = libssh2_NB_state_idle; + + if (data[0] == SSH_FXP_STATUS) { + int retcode; + + retcode = _libssh2_ntohu32(data + 5); + LIBSSH2_FREE(session, data); + if (retcode == LIBSSH2_FX_OK) + return LIBSSH2_ERROR_NONE; + else { + sftp->last_errno = retcode; + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "SFTP Protocol Error"); + } + } + + if (_libssh2_ntohu32(data + 5) < 1) { + LIBSSH2_FREE(session, data); + return _libssh2_error(session, LIBSSH2_ERROR_SFTP_PROTOCOL, + "Invalid READLINK/REALPATH response, " + "no name entries"); + } + + /* this reads a u32 and stores it into a signed 32bit value */ + link_len = _libssh2_ntohu32(data + 9); + if (link_len < target_len) { + memcpy(target, data + 13, link_len); + target[link_len] = 0; + retcode = (int)link_len; + } + else + retcode = LIBSSH2_ERROR_BUFFER_TOO_SMALL; + LIBSSH2_FREE(session, data); + + return retcode; +} + +/* libssh2_sftp_symlink_ex + * Read or set a symlink + */ +LIBSSH2_API int +libssh2_sftp_symlink_ex(LIBSSH2_SFTP *sftp, const char *path, + unsigned int path_len, char *target, + unsigned int target_len, int link_type) +{ + int rc; + if(!sftp) + return LIBSSH2_ERROR_BAD_USE; + BLOCK_ADJUST(rc, sftp->channel->session, + sftp_symlink(sftp, path, path_len, target, target_len, + link_type)); + return rc; +} + +/* libssh2_sftp_last_error + * Returns the last error code reported by SFTP + */ +LIBSSH2_API unsigned long +libssh2_sftp_last_error(LIBSSH2_SFTP *sftp) +{ + if(!sftp) + return 0; + + return sftp->last_errno; +} + +/* libssh2_sftp_get_channel + * Return the channel of sftp, then caller can control the channel's behavior. + */ +LIBSSH2_API LIBSSH2_CHANNEL * +libssh2_sftp_get_channel(LIBSSH2_SFTP *sftp) +{ + if (!sftp) + return NULL; + + return sftp->channel; +} diff --git a/vendor/libssh2-1.4.2/src/sftp.h b/vendor/libssh2-1.4.2/src/sftp.h new file mode 100644 index 0000000..55bdb46 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/sftp.h @@ -0,0 +1,230 @@ +#ifndef _LIBSSH2_SFTP_H +#define _LIBSSH2_SFTP_H +/* + * Copyright (C) 2010 - 2012 by Daniel Stenberg + * Author: Daniel Stenberg + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + */ + +/* + * MAX_SFTP_OUTGOING_SIZE MUST not be larger than 32500 or so. This is the + * amount of data sent in each FXP_WRITE packet + */ +#define MAX_SFTP_OUTGOING_SIZE 30000 + +/* MAX_SFTP_READ_SIZE is how much data is asked for at max in each FXP_READ + * packets. + */ +#define MAX_SFTP_READ_SIZE 2000 + +struct sftp_pipeline_chunk { + struct list_node node; + size_t len; /* WRITE: size of the data to write + READ: how many bytes that was asked for */ + size_t sent; + ssize_t lefttosend; /* if 0, the entire packet has been sent off */ + uint32_t request_id; + unsigned char packet[1]; /* data */ +}; + +struct sftp_zombie_requests { + struct list_node node; + uint32_t request_id; +}; + +#ifndef MIN +#define MIN(x,y) ((x)<(y)?(x):(y)) +#endif + +struct _LIBSSH2_SFTP_PACKET +{ + struct list_node node; /* linked list header */ + uint32_t request_id; + unsigned char *data; + size_t data_len; /* payload size */ +}; + +typedef struct _LIBSSH2_SFTP_PACKET LIBSSH2_SFTP_PACKET; + +#define SFTP_HANDLE_MAXLEN 256 /* according to spec! */ + +struct _LIBSSH2_SFTP_HANDLE +{ + struct list_node node; + + LIBSSH2_SFTP *sftp; + + char handle[SFTP_HANDLE_MAXLEN]; + size_t handle_len; + + enum { + LIBSSH2_SFTP_HANDLE_FILE, + LIBSSH2_SFTP_HANDLE_DIR + } handle_type; + + union _libssh2_sftp_handle_data + { + struct _libssh2_sftp_handle_file_data + { + libssh2_uint64_t offset; + libssh2_uint64_t offset_sent; + size_t acked; /* container for acked data that hasn't been + returned to caller yet, used for sftp_write */ + + /* 'data' is used by sftp_read() and is allocated data that has + been received already from the server but wasn't returned to + the caller yet. It is of size 'data_len' and 'data_left is the + number of bytes not yet returned, counted from the end of the + buffer. */ + unsigned char *data; + size_t data_len; + size_t data_left; + + char eof; /* we have read to the end */ + } file; + struct _libssh2_sftp_handle_dir_data + { + uint32_t names_left; + void *names_packet; + char *next_name; + } dir; + } u; + + /* State variables used in libssh2_sftp_close_handle() */ + libssh2_nonblocking_states close_state; + uint32_t close_request_id; + unsigned char *close_packet; + + /* list of outstanding packets sent to server */ + struct list_head packet_list; + +}; + +struct _LIBSSH2_SFTP +{ + LIBSSH2_CHANNEL *channel; + + uint32_t request_id, version; + + struct list_head packets; + + /* List of FXP_READ responses to ignore because EOF already received. */ + struct list_head zombie_requests; + + /* a list of _LIBSSH2_SFTP_HANDLE structs */ + struct list_head sftp_handles; + + uint32_t last_errno; + + /* Holder for partial packet, use in libssh2_sftp_packet_read() */ + unsigned char partial_size[4]; /* buffer for size field */ + size_t partial_size_len; /* size field length */ + unsigned char *partial_packet; /* The data */ + uint32_t partial_len; /* Desired number of bytes */ + size_t partial_received; /* Bytes received so far */ + + /* Time that libssh2_sftp_packet_requirev() started reading */ + time_t requirev_start; + + /* State variables used in libssh2_sftp_open_ex() */ + libssh2_nonblocking_states open_state; + unsigned char *open_packet; + uint32_t open_packet_len; /* 32 bit on the wire */ + size_t open_packet_sent; + uint32_t open_request_id; + + /* State variable used in sftp_read() */ + libssh2_nonblocking_states read_state; + + /* State variable used in sftp_packet_read() */ + libssh2_nonblocking_states packet_state; + + /* State variable used in sftp_write() */ + libssh2_nonblocking_states write_state; + + /* State variables used in libssh2_sftp_readdir() */ + libssh2_nonblocking_states readdir_state; + unsigned char *readdir_packet; + uint32_t readdir_request_id; + + /* State variables used in libssh2_sftp_fstat_ex() */ + libssh2_nonblocking_states fstat_state; + unsigned char *fstat_packet; + uint32_t fstat_request_id; + + /* State variables used in libssh2_sftp_unlink_ex() */ + libssh2_nonblocking_states unlink_state; + unsigned char *unlink_packet; + uint32_t unlink_request_id; + + /* State variables used in libssh2_sftp_rename_ex() */ + libssh2_nonblocking_states rename_state; + unsigned char *rename_packet; + unsigned char *rename_s; + uint32_t rename_request_id; + + /* State variables used in libssh2_sftp_fstatvfs() */ + libssh2_nonblocking_states fstatvfs_state; + unsigned char *fstatvfs_packet; + uint32_t fstatvfs_request_id; + + /* State variables used in libssh2_sftp_statvfs() */ + libssh2_nonblocking_states statvfs_state; + unsigned char *statvfs_packet; + uint32_t statvfs_request_id; + + /* State variables used in libssh2_sftp_mkdir() */ + libssh2_nonblocking_states mkdir_state; + unsigned char *mkdir_packet; + uint32_t mkdir_request_id; + + /* State variables used in libssh2_sftp_rmdir() */ + libssh2_nonblocking_states rmdir_state; + unsigned char *rmdir_packet; + uint32_t rmdir_request_id; + + /* State variables used in libssh2_sftp_stat() */ + libssh2_nonblocking_states stat_state; + unsigned char *stat_packet; + uint32_t stat_request_id; + + /* State variables used in libssh2_sftp_symlink() */ + libssh2_nonblocking_states symlink_state; + unsigned char *symlink_packet; + uint32_t symlink_request_id; +}; + +#endif diff --git a/vendor/libssh2-1.4.2/src/transport.c b/vendor/libssh2-1.4.2/src/transport.c new file mode 100644 index 0000000..95b9a3a --- /dev/null +++ b/vendor/libssh2-1.4.2/src/transport.c @@ -0,0 +1,873 @@ +/* Copyright (C) 2007 The Written Word, Inc. All rights reserved. + * Copyright (C) 2009-2010 by Daniel Stenberg + * Author: Daniel Stenberg + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + * This file handles reading and writing to the SECSH transport layer. RFC4253. + */ + +#include "libssh2_priv.h" +#include +#include +#include +#ifdef LIBSSH2DEBUG +#include +#endif + +#include + +#include "transport.h" +#include "mac.h" + +#define MAX_BLOCKSIZE 32 /* MUST fit biggest crypto block size we use/get */ +#define MAX_MACSIZE 20 /* MUST fit biggest MAC length we support */ + +#ifdef LIBSSH2DEBUG +#define UNPRINTABLE_CHAR '.' +static void +debugdump(LIBSSH2_SESSION * session, + const char *desc, const unsigned char *ptr, size_t size) +{ + size_t i; + size_t c; + unsigned int width = 0x10; + char buffer[256]; /* Must be enough for width*4 + about 30 or so */ + size_t used; + static const char* hex_chars = "0123456789ABCDEF"; + + if (!(session->showmask & LIBSSH2_TRACE_TRANS)) { + /* not asked for, bail out */ + return; + } + + used = snprintf(buffer, sizeof(buffer), "=> %s (%d bytes)\n", + desc, (int) size); + if (session->tracehandler) + (session->tracehandler)(session, session->tracehandler_context, + buffer, used); + else + fprintf(stderr, "%s", buffer); + + for(i = 0; i < size; i += width) { + + used = snprintf(buffer, sizeof(buffer), "%04lx: ", (long)i); + + /* hex not disabled, show it */ + for(c = 0; c < width; c++) { + if (i + c < size) { + buffer[used++] = hex_chars[(ptr[i+c] >> 4) & 0xF]; + buffer[used++] = hex_chars[ptr[i+c] & 0xF]; + } + else { + buffer[used++] = ' '; + buffer[used++] = ' '; + } + + buffer[used++] = ' '; + if ((width/2) - 1 == c) + buffer[used++] = ' '; + } + + buffer[used++] = ':'; + buffer[used++] = ' '; + + for(c = 0; (c < width) && (i + c < size); c++) { + buffer[used++] = isprint(ptr[i + c]) ? + ptr[i + c] : UNPRINTABLE_CHAR; + } + buffer[used++] = '\n'; + buffer[used] = 0; + + if (session->tracehandler) + (session->tracehandler)(session, session->tracehandler_context, + buffer, used); + else + fprintf(stderr, "%s", buffer); + } +} +#else +#define debugdump(a,x,y,z) +#endif + + +/* decrypt() decrypts 'len' bytes from 'source' to 'dest'. + * + * returns 0 on success and negative on failure + */ + +static int +decrypt(LIBSSH2_SESSION * session, unsigned char *source, + unsigned char *dest, int len) +{ + struct transportpacket *p = &session->packet; + int blocksize = session->remote.crypt->blocksize; + + /* if we get called with a len that isn't an even number of blocksizes + we risk losing those extra bytes */ + assert((len % blocksize) == 0); + + while (len >= blocksize) { + if (session->remote.crypt->crypt(session, source, + &session->remote.crypt_abstract)) { + LIBSSH2_FREE(session, p->payload); + return LIBSSH2_ERROR_DECRYPT; + } + + /* if the crypt() function would write to a given address it + wouldn't have to memcpy() and we could avoid this memcpy() + too */ + memcpy(dest, source, blocksize); + + len -= blocksize; /* less bytes left */ + dest += blocksize; /* advance write pointer */ + source += blocksize; /* advance read pointer */ + } + return LIBSSH2_ERROR_NONE; /* all is fine */ +} + +/* + * fullpacket() gets called when a full packet has been received and properly + * collected. + */ +static int +fullpacket(LIBSSH2_SESSION * session, int encrypted /* 1 or 0 */ ) +{ + unsigned char macbuf[MAX_MACSIZE]; + struct transportpacket *p = &session->packet; + int rc; + + if (session->fullpacket_state == libssh2_NB_state_idle) { + session->fullpacket_macstate = LIBSSH2_MAC_CONFIRMED; + session->fullpacket_payload_len = p->packet_length - 1; + + if (encrypted) { + + /* Calculate MAC hash */ + session->remote.mac->hash(session, macbuf, /* store hash here */ + session->remote.seqno, + p->init, 5, + p->payload, + session->fullpacket_payload_len, + &session->remote.mac_abstract); + + /* Compare the calculated hash with the MAC we just read from + * the network. The read one is at the very end of the payload + * buffer. Note that 'payload_len' here is the packet_length + * field which includes the padding but not the MAC. + */ + if (memcmp(macbuf, p->payload + session->fullpacket_payload_len, + session->remote.mac->mac_len)) { + session->fullpacket_macstate = LIBSSH2_MAC_INVALID; + } + } + + session->remote.seqno++; + + /* ignore the padding */ + session->fullpacket_payload_len -= p->padding_length; + + /* Check for and deal with decompression */ + if (session->remote.comp && + session->remote.comp->compress && + session->remote.comp_abstract) { + /* + * The buffer for the decompression (remote.comp_abstract) is + * initialised in time when it is needed so as long it is NULL we + * cannot decompress. + */ + + unsigned char *data; + size_t data_len; + rc = session->remote.comp->decomp(session, + &data, &data_len, + LIBSSH2_PACKET_MAXDECOMP, + p->payload, + session->fullpacket_payload_len, + &session->remote.comp_abstract); + LIBSSH2_FREE(session, p->payload); + if(rc) + return rc; + + p->payload = data; + session->fullpacket_payload_len = data_len; + } + + session->fullpacket_packet_type = p->payload[0]; + + debugdump(session, "libssh2_transport_read() plain", + p->payload, session->fullpacket_payload_len); + + session->fullpacket_state = libssh2_NB_state_created; + } + + if (session->fullpacket_state == libssh2_NB_state_created) { + rc = _libssh2_packet_add(session, p->payload, + session->fullpacket_payload_len, + session->fullpacket_macstate); + if (rc) + return rc; + } + + session->fullpacket_state = libssh2_NB_state_idle; + + return session->fullpacket_packet_type; +} + + +/* + * _libssh2_transport_read + * + * Collect a packet into the input queue. + * + * Returns packet type added to input queue (0 if nothing added), or a + * negative error number. + */ + +/* + * This function reads the binary stream as specified in chapter 6 of RFC4253 + * "The Secure Shell (SSH) Transport Layer Protocol" + * + * DOES NOT call _libssh2_error() for ANY error case. + */ +int _libssh2_transport_read(LIBSSH2_SESSION * session) +{ + int rc; + struct transportpacket *p = &session->packet; + int remainbuf; + int remainpack; + int numbytes; + int numdecrypt; + unsigned char block[MAX_BLOCKSIZE]; + int blocksize; + int encrypted = 1; + size_t total_num; + + /* default clear the bit */ + session->socket_block_directions &= ~LIBSSH2_SESSION_BLOCK_INBOUND; + + /* + * All channels, systems, subsystems, etc eventually make it down here + * when looking for more incoming data. If a key exchange is going on + * (LIBSSH2_STATE_EXCHANGING_KEYS bit is set) then the remote end will + * ONLY send key exchange related traffic. In non-blocking mode, there is + * a chance to break out of the kex_exchange function with an EAGAIN + * status, and never come back to it. If LIBSSH2_STATE_EXCHANGING_KEYS is + * active, then we must redirect to the key exchange. However, if + * kex_exchange is active (as in it is the one that calls this execution + * of packet_read, then don't redirect, as that would be an infinite loop! + */ + + if (session->state & LIBSSH2_STATE_EXCHANGING_KEYS && + !(session->state & LIBSSH2_STATE_KEX_ACTIVE)) { + + /* Whoever wants a packet won't get anything until the key re-exchange + * is done! + */ + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, "Redirecting into the" + " key re-exchange from _libssh2_transport_read"); + rc = _libssh2_kex_exchange(session, 1, &session->startup_key_state); + if (rc) + return rc; + } + + /* + * =============================== NOTE =============================== + * I know this is very ugly and not a really good use of "goto", but + * this case statement would be even uglier to do it any other way + */ + if (session->readPack_state == libssh2_NB_state_jump1) { + session->readPack_state = libssh2_NB_state_idle; + encrypted = session->readPack_encrypted; + goto libssh2_transport_read_point1; + } + + do { + if (session->socket_state == LIBSSH2_SOCKET_DISCONNECTED) { + return LIBSSH2_ERROR_NONE; + } + + if (session->state & LIBSSH2_STATE_NEWKEYS) { + blocksize = session->remote.crypt->blocksize; + } else { + encrypted = 0; /* not encrypted */ + blocksize = 5; /* not strictly true, but we can use 5 here to + make the checks below work fine still */ + } + + /* read/use a whole big chunk into a temporary area stored in + the LIBSSH2_SESSION struct. We will decrypt data from that + buffer into the packet buffer so this temp one doesn't have + to be able to keep a whole SSH packet, just be large enough + so that we can read big chunks from the network layer. */ + + /* how much data there is remaining in the buffer to deal with + before we should read more from the network */ + remainbuf = p->writeidx - p->readidx; + + /* if remainbuf turns negative we have a bad internal error */ + assert(remainbuf >= 0); + + if (remainbuf < blocksize) { + /* If we have less than a blocksize left, it is too + little data to deal with, read more */ + ssize_t nread; + + /* move any remainder to the start of the buffer so + that we can do a full refill */ + if (remainbuf) { + memmove(p->buf, &p->buf[p->readidx], remainbuf); + p->readidx = 0; + p->writeidx = remainbuf; + } else { + /* nothing to move, just zero the indexes */ + p->readidx = p->writeidx = 0; + } + + /* now read a big chunk from the network into the temp buffer */ + nread = + LIBSSH2_RECV(session, &p->buf[remainbuf], + PACKETBUFSIZE - remainbuf, + LIBSSH2_SOCKET_RECV_FLAGS(session)); + if (nread <= 0) { + /* check if this is due to EAGAIN and return the special + return code if so, error out normally otherwise */ + if ((nread < 0) && (nread == -EAGAIN)) { + session->socket_block_directions |= + LIBSSH2_SESSION_BLOCK_INBOUND; + return LIBSSH2_ERROR_EAGAIN; + } + _libssh2_debug(session, LIBSSH2_TRACE_SOCKET, + "Error recving %d bytes (got %d)", + PACKETBUFSIZE - remainbuf, -nread); + return LIBSSH2_ERROR_SOCKET_RECV; + } + _libssh2_debug(session, LIBSSH2_TRACE_SOCKET, + "Recved %d/%d bytes to %p+%d", nread, + PACKETBUFSIZE - remainbuf, p->buf, remainbuf); + + debugdump(session, "libssh2_transport_read() raw", + &p->buf[remainbuf], nread); + /* advance write pointer */ + p->writeidx += nread; + + /* update remainbuf counter */ + remainbuf = p->writeidx - p->readidx; + } + + /* how much data to deal with from the buffer */ + numbytes = remainbuf; + + if (!p->total_num) { + /* No payload package area allocated yet. To know the + size of this payload, we need to decrypt the first + blocksize data. */ + + if (numbytes < blocksize) { + /* we can't act on anything less than blocksize, but this + check is only done for the initial block since once we have + got the start of a block we can in fact deal with fractions + */ + session->socket_block_directions |= + LIBSSH2_SESSION_BLOCK_INBOUND; + return LIBSSH2_ERROR_EAGAIN; + } + + if (encrypted) { + rc = decrypt(session, &p->buf[p->readidx], block, blocksize); + if (rc != LIBSSH2_ERROR_NONE) { + return rc; + } + /* save the first 5 bytes of the decrypted package, to be + used in the hash calculation later down. */ + memcpy(p->init, &p->buf[p->readidx], 5); + } else { + /* the data is plain, just copy it verbatim to + the working block buffer */ + memcpy(block, &p->buf[p->readidx], blocksize); + } + + /* advance the read pointer */ + p->readidx += blocksize; + + /* we now have the initial blocksize bytes decrypted, + * and we can extract packet and padding length from it + */ + p->packet_length = _libssh2_ntohu32(block); + if (p->packet_length < 1) + return LIBSSH2_ERROR_DECRYPT; + + p->padding_length = block[4]; + + /* total_num is the number of bytes following the initial + (5 bytes) packet length and padding length fields */ + total_num = + p->packet_length - 1 + + (encrypted ? session->remote.mac->mac_len : 0); + + /* RFC4253 section 6.1 Maximum Packet Length says: + * + * "All implementations MUST be able to process + * packets with uncompressed payload length of 32768 + * bytes or less and total packet size of 35000 bytes + * or less (including length, padding length, payload, + * padding, and MAC.)." + */ + if (total_num > LIBSSH2_PACKET_MAXPAYLOAD) { + return LIBSSH2_ERROR_OUT_OF_BOUNDARY; + } + + /* Get a packet handle put data into. We get one to + hold all data, including padding and MAC. */ + p->payload = LIBSSH2_ALLOC(session, total_num); + if (!p->payload) { + return LIBSSH2_ERROR_ALLOC; + } + p->total_num = total_num; + /* init write pointer to start of payload buffer */ + p->wptr = p->payload; + + if (blocksize > 5) { + /* copy the data from index 5 to the end of + the blocksize from the temporary buffer to + the start of the decrypted buffer */ + memcpy(p->wptr, &block[5], blocksize - 5); + p->wptr += blocksize - 5; /* advance write pointer */ + } + + /* init the data_num field to the number of bytes of + the package read so far */ + p->data_num = p->wptr - p->payload; + + /* we already dealt with a blocksize worth of data */ + numbytes -= blocksize; + } + + /* how much there is left to add to the current payload + package */ + remainpack = p->total_num - p->data_num; + + if (numbytes > remainpack) { + /* if we have more data in the buffer than what is going into this + particular packet, we limit this round to this packet only */ + numbytes = remainpack; + } + + if (encrypted) { + /* At the end of the incoming stream, there is a MAC, + and we don't want to decrypt that since we need it + "raw". We MUST however decrypt the padding data + since it is used for the hash later on. */ + int skip = session->remote.mac->mac_len; + + /* if what we have plus numbytes is bigger than the + total minus the skip margin, we should lower the + amount to decrypt even more */ + if ((p->data_num + numbytes) > (p->total_num - skip)) { + numdecrypt = (p->total_num - skip) - p->data_num; + } else { + int frac; + numdecrypt = numbytes; + frac = numdecrypt % blocksize; + if (frac) { + /* not an aligned amount of blocks, + align it */ + numdecrypt -= frac; + /* and make it no unencrypted data + after it */ + numbytes = 0; + } + } + } else { + /* unencrypted data should not be decrypted at all */ + numdecrypt = 0; + } + + /* if there are bytes to decrypt, do that */ + if (numdecrypt > 0) { + /* now decrypt the lot */ + rc = decrypt(session, &p->buf[p->readidx], p->wptr, numdecrypt); + if (rc != LIBSSH2_ERROR_NONE) { + return rc; + } + + /* advance the read pointer */ + p->readidx += numdecrypt; + /* advance write pointer */ + p->wptr += numdecrypt; + /* increse data_num */ + p->data_num += numdecrypt; + + /* bytes left to take care of without decryption */ + numbytes -= numdecrypt; + } + + /* if there are bytes to copy that aren't decrypted, simply + copy them as-is to the target buffer */ + if (numbytes > 0) { + memcpy(p->wptr, &p->buf[p->readidx], numbytes); + + /* advance the read pointer */ + p->readidx += numbytes; + /* advance write pointer */ + p->wptr += numbytes; + /* increse data_num */ + p->data_num += numbytes; + } + + /* now check how much data there's left to read to finish the + current packet */ + remainpack = p->total_num - p->data_num; + + if (!remainpack) { + /* we have a full packet */ + libssh2_transport_read_point1: + rc = fullpacket(session, encrypted); + if (rc == LIBSSH2_ERROR_EAGAIN) { + + if (session->packAdd_state != libssh2_NB_state_idle) + { + /* fullpacket only returns LIBSSH2_ERROR_EAGAIN if + * libssh2_packet_add returns LIBSSH2_ERROR_EAGAIN. If that + * returns LIBSSH2_ERROR_EAGAIN but the packAdd_state is idle, + * then the packet has been added to the brigade, but some + * immediate action that was taken based on the packet + * type (such as key re-exchange) is not yet complete. + * Clear the way for a new packet to be read in. + */ + session->readPack_encrypted = encrypted; + session->readPack_state = libssh2_NB_state_jump1; + } + + return rc; + } + + p->total_num = 0; /* no packet buffer available */ + + return rc; + } + } while (1); /* loop */ + + return LIBSSH2_ERROR_SOCKET_RECV; /* we never reach this point */ +} + +static int +send_existing(LIBSSH2_SESSION *session, const unsigned char *data, + size_t data_len, ssize_t *ret) +{ + ssize_t rc; + ssize_t length; + struct transportpacket *p = &session->packet; + + if (!p->olen) { + *ret = 0; + return LIBSSH2_ERROR_NONE; + } + + /* send as much as possible of the existing packet */ + if ((data != p->odata) || (data_len != p->olen)) { + /* When we are about to complete the sending of a packet, it is vital + that the caller doesn't try to send a new/different packet since + we don't add this one up until the previous one has been sent. To + make the caller really notice his/hers flaw, we return error for + this case */ + return LIBSSH2_ERROR_BAD_USE; + } + + *ret = 1; /* set to make our parent return */ + + /* number of bytes left to send */ + length = p->ototal_num - p->osent; + + rc = LIBSSH2_SEND(session, &p->outbuf[p->osent], length, + LIBSSH2_SOCKET_SEND_FLAGS(session)); + if (rc < 0) + _libssh2_debug(session, LIBSSH2_TRACE_SOCKET, + "Error sending %d bytes: %d", length, -rc); + else { + _libssh2_debug(session, LIBSSH2_TRACE_SOCKET, + "Sent %d/%d bytes at %p+%d", rc, length, p->outbuf, + p->osent); + debugdump(session, "libssh2_transport_write send()", + &p->outbuf[p->osent], rc); + } + + if (rc == length) { + /* the remainder of the package was sent */ + p->ototal_num = 0; + p->olen = 0; + /* we leave *ret set so that the parent returns as we MUST return back + a send success now, so that we don't risk sending EAGAIN later + which then would confuse the parent function */ + return LIBSSH2_ERROR_NONE; + + } + else if (rc < 0) { + /* nothing was sent */ + if (rc != -EAGAIN) + /* send failure! */ + return LIBSSH2_ERROR_SOCKET_SEND; + + session->socket_block_directions |= LIBSSH2_SESSION_BLOCK_OUTBOUND; + return LIBSSH2_ERROR_EAGAIN; + } + + p->osent += rc; /* we sent away this much data */ + + return rc < length ? LIBSSH2_ERROR_EAGAIN : LIBSSH2_ERROR_NONE; +} + +/* + * libssh2_transport_send + * + * Send a packet, encrypting it and adding a MAC code if necessary + * Returns 0 on success, non-zero on failure. + * + * The data is provided as _two_ data areas that are combined by this + * function. The 'data' part is sent immediately before 'data2'. 'data2' may + * be set to NULL to only use a single part. + * + * Returns LIBSSH2_ERROR_EAGAIN if it would block or if the whole packet was + * not sent yet. If it does so, the caller should call this function again as + * soon as it is likely that more data can be sent, and this function MUST + * then be called with the same argument set (same data pointer and same + * data_len) until ERROR_NONE or failure is returned. + * + * This function DOES NOT call _libssh2_error() on any errors. + */ +int _libssh2_transport_send(LIBSSH2_SESSION *session, + const unsigned char *data, size_t data_len, + const unsigned char *data2, size_t data2_len) +{ + int blocksize = + (session->state & LIBSSH2_STATE_NEWKEYS) ? + session->local.crypt->blocksize : 8; + int padding_length; + size_t packet_length; + int total_length; +#ifdef RANDOM_PADDING + int rand_max; + int seed = data[0]; /* FIXME: make this random */ +#endif + struct transportpacket *p = &session->packet; + int encrypted; + ssize_t ret; + int rc; + const unsigned char *orgdata = data; + size_t orgdata_len = data_len; + + /* + * If the last read operation was interrupted in the middle of a key + * exchange, we must complete that key exchange before continuing to write + * further data. + * + * See the similar block in _libssh2_transport_read for more details. + */ + if (session->state & LIBSSH2_STATE_EXCHANGING_KEYS && + !(session->state & LIBSSH2_STATE_KEX_ACTIVE)) { + /* Don't write any new packets if we're still in the middle of a key + * exchange. */ + _libssh2_debug(session, LIBSSH2_TRACE_TRANS, "Redirecting into the" + " key re-exchange from _libssh2_transport_send"); + rc = _libssh2_kex_exchange(session, 1, &session->startup_key_state); + if (rc) + return rc; + } + + debugdump(session, "libssh2_transport_write plain", data, data_len); + if(data2) + debugdump(session, "libssh2_transport_write plain2", data2, data2_len); + + /* FIRST, check if we have a pending write to complete. send_existing + only sanity-check data and data_len and not data2 and data2_len!! */ + rc = send_existing(session, data, data_len, &ret); + if (rc) + return rc; + + session->socket_block_directions &= ~LIBSSH2_SESSION_BLOCK_OUTBOUND; + + if (ret) + /* set by send_existing if data was sent */ + return rc; + + encrypted = (session->state & LIBSSH2_STATE_NEWKEYS) ? 1 : 0; + + if (encrypted && session->local.comp->compress) { + /* the idea here is that these function must fail if the output gets + larger than what fits in the assigned buffer so thus they don't + check the input size as we don't know how much it compresses */ + size_t dest_len = MAX_SSH_PACKET_LEN-5-256; + size_t dest2_len = dest_len; + + /* compress directly to the target buffer */ + rc = session->local.comp->comp(session, + &p->outbuf[5], &dest_len, + data, data_len, + &session->local.comp_abstract); + if(rc) + return rc; /* compression failure */ + + if(data2 && data2_len) { + /* compress directly to the target buffer right after where the + previous call put data */ + dest2_len -= dest_len; + + rc = session->local.comp->comp(session, + &p->outbuf[5+dest_len], &dest2_len, + data2, data2_len, + &session->local.comp_abstract); + } + else + dest2_len = 0; + if(rc) + return rc; /* compression failure */ + + data_len = dest_len + dest2_len; /* use the combined length */ + } + else { + if((data_len + data2_len) >= (MAX_SSH_PACKET_LEN-0x100)) + /* too large packet, return error for this until we make this + function split it up and send multiple SSH packets */ + return LIBSSH2_ERROR_INVAL; + + /* copy the payload data */ + memcpy(&p->outbuf[5], data, data_len); + if(data2 && data2_len) + memcpy(&p->outbuf[5+data_len], data2, data2_len); + data_len += data2_len; /* use the combined length */ + } + + + /* RFC4253 says: Note that the length of the concatenation of + 'packet_length', 'padding_length', 'payload', and 'random padding' + MUST be a multiple of the cipher block size or 8, whichever is + larger. */ + + /* Plain math: (4 + 1 + packet_length + padding_length) % blocksize == 0 */ + + packet_length = data_len + 1 + 4; /* 1 is for padding_length field + 4 for the packet_length field */ + + /* at this point we have it all except the padding */ + + /* first figure out our minimum padding amount to make it an even + block size */ + padding_length = blocksize - (packet_length % blocksize); + + /* if the padding becomes too small we add another blocksize worth + of it (taken from the original libssh2 where it didn't have any + real explanation) */ + if (padding_length < 4) { + padding_length += blocksize; + } +#ifdef RANDOM_PADDING + /* FIXME: we can add padding here, but that also makes the packets + bigger etc */ + + /* now we can add 'blocksize' to the padding_length N number of times + (to "help thwart traffic analysis") but it must be less than 255 in + total */ + rand_max = (255 - padding_length) / blocksize + 1; + padding_length += blocksize * (seed % rand_max); +#endif + + packet_length += padding_length; + + /* append the MAC length to the total_length size */ + total_length = + packet_length + (encrypted ? session->local.mac->mac_len : 0); + + /* store packet_length, which is the size of the whole packet except + the MAC and the packet_length field itself */ + _libssh2_htonu32(p->outbuf, packet_length - 4); + /* store padding_length */ + p->outbuf[4] = padding_length; + + /* fill the padding area with random junk */ + _libssh2_random(p->outbuf + 5 + data_len, padding_length); + + if (encrypted) { + size_t i; + + /* Calculate MAC hash. Put the output at index packet_length, + since that size includes the whole packet. The MAC is + calculated on the entire unencrypted packet, including all + fields except the MAC field itself. */ + session->local.mac->hash(session, p->outbuf + packet_length, + session->local.seqno, p->outbuf, + packet_length, NULL, 0, + &session->local.mac_abstract); + + /* Encrypt the whole packet data, one block size at a time. + The MAC field is not encrypted. */ + for(i = 0; i < packet_length; i += session->local.crypt->blocksize) { + unsigned char *ptr = &p->outbuf[i]; + if (session->local.crypt->crypt(session, ptr, + &session->local.crypt_abstract)) + return LIBSSH2_ERROR_ENCRYPT; /* encryption failure */ + } + } + + session->local.seqno++; + + ret = LIBSSH2_SEND(session, p->outbuf, total_length, + LIBSSH2_SOCKET_SEND_FLAGS(session)); + if (ret < 0) + _libssh2_debug(session, LIBSSH2_TRACE_SOCKET, + "Error sending %d bytes: %d", total_length, -ret); + else { + _libssh2_debug(session, LIBSSH2_TRACE_SOCKET, "Sent %d/%d bytes at %p", + ret, total_length, p->outbuf); + debugdump(session, "libssh2_transport_write send()", p->outbuf, ret); + } + + if (ret != total_length) { + if (ret >= 0 || ret == -EAGAIN) { + /* the whole packet could not be sent, save the rest */ + session->socket_block_directions |= LIBSSH2_SESSION_BLOCK_OUTBOUND; + p->odata = orgdata; + p->olen = orgdata_len; + p->osent = ret <= 0 ? 0 : ret; + p->ototal_num = total_length; + return LIBSSH2_ERROR_EAGAIN; + } + return LIBSSH2_ERROR_SOCKET_SEND; + } + + /* the whole thing got sent away */ + p->odata = NULL; + p->olen = 0; + + return LIBSSH2_ERROR_NONE; /* all is good */ +} diff --git a/vendor/libssh2-1.4.2/src/transport.h b/vendor/libssh2-1.4.2/src/transport.h new file mode 100644 index 0000000..89982a6 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/transport.h @@ -0,0 +1,87 @@ +#ifndef __LIBSSH2_TRANSPORT_H +#define __LIBSSH2_TRANSPORT_H + +/* Copyright (C) 2007 The Written Word, Inc. All rights reserved. + * Copyright (C) 2009-2010 by Daniel Stenberg + * Author: Daniel Stenberg + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + * This file handles reading and writing to the SECSH transport layer. RFC4253. + */ + +#include "libssh2_priv.h" +#include "packet.h" + + +/* + * libssh2_transport_send + * + * Send a packet, encrypting it and adding a MAC code if necessary + * Returns 0 on success, non-zero on failure. + * + * The data is provided as _two_ data areas that are combined by this + * function. The 'data' part is sent immediately before 'data2'. 'data2' can + * be set to NULL (or data2_len to 0) to only use a single part. + * + * Returns LIBSSH2_ERROR_EAGAIN if it would block or if the whole packet was + * not sent yet. If it does so, the caller should call this function again as + * soon as it is likely that more data can be sent, and this function MUST + * then be called with the same argument set (same data pointer and same + * data_len) until ERROR_NONE or failure is returned. + * + * This function DOES NOT call _libssh2_error() on any errors. + */ +int _libssh2_transport_send(LIBSSH2_SESSION *session, + const unsigned char *data, size_t data_len, + const unsigned char *data2, size_t data2_len); + +/* + * _libssh2_transport_read + * + * Collect a packet into the input brigade block only controls whether or not + * to wait for a packet to start. + * + * Returns packet type added to input brigade (PACKET_NONE if nothing added), + * or PACKET_FAIL on failure and PACKET_EAGAIN if it couldn't process a full + * packet. + */ + +/* + * This function reads the binary stream as specified in chapter 6 of RFC4253 + * "The Secure Shell (SSH) Transport Layer Protocol" + */ +int _libssh2_transport_read(LIBSSH2_SESSION * session); + +#endif /* __LIBSSH2_TRANSPORT_H */ diff --git a/vendor/libssh2-1.4.2/src/userauth.c b/vendor/libssh2-1.4.2/src/userauth.c new file mode 100644 index 0000000..a0733d5 --- /dev/null +++ b/vendor/libssh2-1.4.2/src/userauth.c @@ -0,0 +1,1687 @@ +/* Copyright (c) 2004-2007, Sara Golemon + * Copyright (c) 2005 Mikhail Gusarov + * Copyright (c) 2009-2011 by Daniel Stenberg + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +#include "libssh2_priv.h" + +#include +#include + +#include + +/* Needed for struct iovec on some platforms */ +#ifdef HAVE_SYS_UIO_H +#include +#endif + +#include "transport.h" +#include "session.h" +#include "userauth.h" + +/* libssh2_userauth_list + * + * List authentication methods + * Will yield successful login if "none" happens to be allowable for this user + * Not a common configuration for any SSH server though + * username should be NULL, or a null terminated string + */ +static char *userauth_list(LIBSSH2_SESSION *session, const char *username, + unsigned int username_len) +{ + static const unsigned char reply_codes[3] = + { SSH_MSG_USERAUTH_SUCCESS, SSH_MSG_USERAUTH_FAILURE, 0 }; + /* packet_type(1) + username_len(4) + service_len(4) + + service(14)"ssh-connection" + method_len(4) = 27 */ + unsigned long methods_len; + unsigned char *s; + int rc; + + if (session->userauth_list_state == libssh2_NB_state_idle) { + /* Zero the whole thing out */ + memset(&session->userauth_list_packet_requirev_state, 0, + sizeof(session->userauth_list_packet_requirev_state)); + + session->userauth_list_data_len = username_len + 27; + + s = session->userauth_list_data = + LIBSSH2_ALLOC(session, session->userauth_list_data_len); + if (!session->userauth_list_data) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for userauth_list"); + return NULL; + } + + *(s++) = SSH_MSG_USERAUTH_REQUEST; + _libssh2_store_str(&s, username, username_len); + _libssh2_store_str(&s, "ssh-connection", 14); + _libssh2_store_u32(&s, 4); /* send "none" separately */ + + session->userauth_list_state = libssh2_NB_state_created; + } + + if (session->userauth_list_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, session->userauth_list_data, + session->userauth_list_data_len, + (unsigned char *)"none", 4); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block requesting userauth list"); + return NULL; + } + /* now free the packet that was sent */ + LIBSSH2_FREE(session, session->userauth_list_data); + session->userauth_list_data = NULL; + + if (rc) { + _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send userauth-none request"); + session->userauth_list_state = libssh2_NB_state_idle; + return NULL; + } + + session->userauth_list_state = libssh2_NB_state_sent; + } + + if (session->userauth_list_state == libssh2_NB_state_sent) { + rc = _libssh2_packet_requirev(session, reply_codes, + &session->userauth_list_data, + &session->userauth_list_data_len, 0, + NULL, 0, + &session->userauth_list_packet_requirev_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block requesting userauth list"); + return NULL; + } else if (rc) { + _libssh2_error(session, rc, "Failed getting response"); + session->userauth_list_state = libssh2_NB_state_idle; + return NULL; + } + + if (session->userauth_list_data[0] == SSH_MSG_USERAUTH_SUCCESS) { + /* Wow, who'dve thought... */ + _libssh2_error(session, LIBSSH2_ERROR_NONE, "No error"); + LIBSSH2_FREE(session, session->userauth_list_data); + session->userauth_list_data = NULL; + session->state |= LIBSSH2_STATE_AUTHENTICATED; + session->userauth_list_state = libssh2_NB_state_idle; + return NULL; + } + + methods_len = _libssh2_ntohu32(session->userauth_list_data + 1); + + /* Do note that the memory areas overlap! */ + memmove(session->userauth_list_data, session->userauth_list_data + 5, + methods_len); + session->userauth_list_data[methods_len] = '\0'; + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Permitted auth methods: %s", + session->userauth_list_data); + } + + session->userauth_list_state = libssh2_NB_state_idle; + return (char *) session->userauth_list_data; +} + +/* libssh2_userauth_list + * + * List authentication methods + * Will yield successful login if "none" happens to be allowable for this user + * Not a common configuration for any SSH server though + * username should be NULL, or a null terminated string + */ +LIBSSH2_API char * +libssh2_userauth_list(LIBSSH2_SESSION * session, const char *user, + unsigned int user_len) +{ + char *ptr; + BLOCK_ADJUST_ERRNO(ptr, session, + userauth_list(session, user, user_len)); + return ptr; +} + +/* + * libssh2_userauth_authenticated + * + * Returns: 0 if not yet authenticated + * 1 if already authenticated + */ +LIBSSH2_API int +libssh2_userauth_authenticated(LIBSSH2_SESSION * session) +{ + return (session->state & LIBSSH2_STATE_AUTHENTICATED)?1:0; +} + + + +/* userauth_password + * Plain ol' login + */ +static int +userauth_password(LIBSSH2_SESSION *session, + const char *username, unsigned int username_len, + const unsigned char *password, unsigned int password_len, + LIBSSH2_PASSWD_CHANGEREQ_FUNC((*passwd_change_cb))) +{ + unsigned char *s; + static const unsigned char reply_codes[4] = + { SSH_MSG_USERAUTH_SUCCESS, SSH_MSG_USERAUTH_FAILURE, + SSH_MSG_USERAUTH_PASSWD_CHANGEREQ, 0 + }; + int rc; + + if (session->userauth_pswd_state == libssh2_NB_state_idle) { + /* Zero the whole thing out */ + memset(&session->userauth_pswd_packet_requirev_state, 0, + sizeof(session->userauth_pswd_packet_requirev_state)); + + /* + * 40 = acket_type(1) + username_len(4) + service_len(4) + + * service(14)"ssh-connection" + method_len(4) + method(8)"password" + + * chgpwdbool(1) + password_len(4) */ + session->userauth_pswd_data_len = username_len + 40; + + session->userauth_pswd_data0 = ~SSH_MSG_USERAUTH_PASSWD_CHANGEREQ; + + /* TODO: remove this alloc with a fixed buffer in the session + struct */ + s = session->userauth_pswd_data = + LIBSSH2_ALLOC(session, session->userauth_pswd_data_len); + if (!session->userauth_pswd_data) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "userauth-password request"); + } + + *(s++) = SSH_MSG_USERAUTH_REQUEST; + _libssh2_store_str(&s, username, username_len); + _libssh2_store_str(&s, "ssh-connection", sizeof("ssh-connection") - 1); + _libssh2_store_str(&s, "password", sizeof("password") - 1); + *s++ = '\0'; + _libssh2_store_u32(&s, password_len); + /* 'password' is sent separately */ + + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Attempting to login using password authentication"); + + session->userauth_pswd_state = libssh2_NB_state_created; + } + + if (session->userauth_pswd_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, session->userauth_pswd_data, + session->userauth_pswd_data_len, + password, password_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block writing password request"); + } + + /* now free the sent packet */ + LIBSSH2_FREE(session, session->userauth_pswd_data); + session->userauth_pswd_data = NULL; + + if (rc) { + session->userauth_pswd_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send userauth-password request"); + } + + session->userauth_pswd_state = libssh2_NB_state_sent; + } + + password_response: + + if ((session->userauth_pswd_state == libssh2_NB_state_sent) + || (session->userauth_pswd_state == libssh2_NB_state_sent1) + || (session->userauth_pswd_state == libssh2_NB_state_sent2)) { + if (session->userauth_pswd_state == libssh2_NB_state_sent) { + rc = _libssh2_packet_requirev(session, reply_codes, + &session->userauth_pswd_data, + &session->userauth_pswd_data_len, + 0, NULL, 0, + &session-> + userauth_pswd_packet_requirev_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block waiting"); + } else if (rc) { + session->userauth_pswd_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_TIMEOUT, + "Would block waiting"); + } + + if (session->userauth_pswd_data[0] == SSH_MSG_USERAUTH_SUCCESS) { + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Password authentication successful"); + LIBSSH2_FREE(session, session->userauth_pswd_data); + session->userauth_pswd_data = NULL; + session->state |= LIBSSH2_STATE_AUTHENTICATED; + session->userauth_pswd_state = libssh2_NB_state_idle; + return 0; + } else if (session->userauth_pswd_data[0] == SSH_MSG_USERAUTH_FAILURE) { + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Password authentication failed"); + LIBSSH2_FREE(session, session->userauth_pswd_data); + session->userauth_pswd_data = NULL; + session->userauth_pswd_state = libssh2_NB_state_idle; + return _libssh2_error(session, + LIBSSH2_ERROR_AUTHENTICATION_FAILED, + "Authentication failed " + "(username/password)"); + } + + session->userauth_pswd_newpw = NULL; + session->userauth_pswd_newpw_len = 0; + + session->userauth_pswd_state = libssh2_NB_state_sent1; + } + + if ((session->userauth_pswd_data[0] == + SSH_MSG_USERAUTH_PASSWD_CHANGEREQ) + || (session->userauth_pswd_data0 == + SSH_MSG_USERAUTH_PASSWD_CHANGEREQ)) { + session->userauth_pswd_data0 = SSH_MSG_USERAUTH_PASSWD_CHANGEREQ; + + if ((session->userauth_pswd_state == libssh2_NB_state_sent1) || + (session->userauth_pswd_state == libssh2_NB_state_sent2)) { + if (session->userauth_pswd_state == libssh2_NB_state_sent1) { + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Password change required"); + LIBSSH2_FREE(session, session->userauth_pswd_data); + session->userauth_pswd_data = NULL; + } + if (passwd_change_cb) { + if (session->userauth_pswd_state == libssh2_NB_state_sent1) { + passwd_change_cb(session, + &session->userauth_pswd_newpw, + &session->userauth_pswd_newpw_len, + &session->abstract); + if (!session->userauth_pswd_newpw) { + return _libssh2_error(session, + LIBSSH2_ERROR_PASSWORD_EXPIRED, + "Password expired, and " + "callback failed"); + } + + /* basic data_len + newpw_len(4) */ + session->userauth_pswd_data_len = + username_len + password_len + 44; + + s = session->userauth_pswd_data = + LIBSSH2_ALLOC(session, + session->userauth_pswd_data_len); + if (!session->userauth_pswd_data) { + LIBSSH2_FREE(session, + session->userauth_pswd_newpw); + session->userauth_pswd_newpw = NULL; + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory " + "for userauth password " + "change request"); + } + + *(s++) = SSH_MSG_USERAUTH_REQUEST; + _libssh2_store_str(&s, username, username_len); + _libssh2_store_str(&s, "ssh-connection", + sizeof("ssh-connection") - 1); + _libssh2_store_str(&s, "password", + sizeof("password") - 1); + *s++ = 0x01; + _libssh2_store_str(&s, (char *)password, password_len); + _libssh2_store_u32(&s, + session->userauth_pswd_newpw_len); + /* send session->userauth_pswd_newpw separately */ + + session->userauth_pswd_state = libssh2_NB_state_sent2; + } + + if (session->userauth_pswd_state == libssh2_NB_state_sent2) { + rc = _libssh2_transport_send(session, + session->userauth_pswd_data, + session->userauth_pswd_data_len, + (unsigned char *) + session->userauth_pswd_newpw, + session->userauth_pswd_newpw_len); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block waiting"); + } + + /* free the allocated packets again */ + LIBSSH2_FREE(session, session->userauth_pswd_data); + session->userauth_pswd_data = NULL; + LIBSSH2_FREE(session, session->userauth_pswd_newpw); + session->userauth_pswd_newpw = NULL; + + if (rc) { + return _libssh2_error(session, + LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send userauth " + "password-change request"); + } + + /* + * Ugliest use of goto ever. Blame it on the + * askN => requirev migration. + */ + session->userauth_pswd_state = libssh2_NB_state_sent; + goto password_response; + } + } + } else { + session->userauth_pswd_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_PASSWORD_EXPIRED, + "Password Expired, and no callback " + "specified"); + } + } + } + + /* FAILURE */ + LIBSSH2_FREE(session, session->userauth_pswd_data); + session->userauth_pswd_data = NULL; + session->userauth_pswd_state = libssh2_NB_state_idle; + + return _libssh2_error(session, LIBSSH2_ERROR_AUTHENTICATION_FAILED, + "Authentication failed"); +} + +/* + * libssh2_userauth_password_ex + * + * Plain ol' login + */ + +LIBSSH2_API int +libssh2_userauth_password_ex(LIBSSH2_SESSION *session, const char *username, + unsigned int username_len, const char *password, + unsigned int password_len, + LIBSSH2_PASSWD_CHANGEREQ_FUNC((*passwd_change_cb))) +{ + int rc; + BLOCK_ADJUST(rc, session, + userauth_password(session, username, username_len, + (unsigned char *)password, password_len, + passwd_change_cb)); + return rc; +} + +/* + * file_read_publickey + * + * Read a public key from an id_???.pub style file + * + * Returns an allocated string containing the decoded key in *pubkeydata + * on success. + * Returns an allocated string containing the key method (e.g. "ssh-dss") + * in method on success. + */ +static int +file_read_publickey(LIBSSH2_SESSION * session, unsigned char **method, + size_t *method_len, + unsigned char **pubkeydata, + size_t *pubkeydata_len, + const char *pubkeyfile) +{ + FILE *fd; + char c; + unsigned char *pubkey = NULL, *sp1, *sp2, *tmp; + size_t pubkey_len = 0; + unsigned int tmp_len; + + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, "Loading public key file: %s", + pubkeyfile); + /* Read Public Key */ + fd = fopen(pubkeyfile, "r"); + if (!fd) { + return _libssh2_error(session, LIBSSH2_ERROR_FILE, + "Unable to open public key file"); + } + while (!feof(fd) && 1 == fread(&c, 1, 1, fd) && c != '\r' && c != '\n') + pubkey_len++; + if (feof(fd)) { + /* the last character was EOF */ + pubkey_len--; + } + rewind(fd); + + if (pubkey_len <= 1) { + fclose(fd); + return _libssh2_error(session, LIBSSH2_ERROR_FILE, + "Invalid data in public key file"); + } + + pubkey = LIBSSH2_ALLOC(session, pubkey_len); + if (!pubkey) { + fclose(fd); + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for public key data"); + } + if (fread(pubkey, 1, pubkey_len, fd) != pubkey_len) { + LIBSSH2_FREE(session, pubkey); + fclose(fd); + return _libssh2_error(session, LIBSSH2_ERROR_FILE, + "Unable to read public key from file"); + } + fclose(fd); + /* + * Remove trailing whitespace + */ + while (pubkey_len && isspace(pubkey[pubkey_len - 1])) + pubkey_len--; + + if (!pubkey_len) { + LIBSSH2_FREE(session, pubkey); + return _libssh2_error(session, LIBSSH2_ERROR_FILE, + "Missing public key data"); + } + + if ((sp1 = memchr(pubkey, ' ', pubkey_len)) == NULL) { + LIBSSH2_FREE(session, pubkey); + return _libssh2_error(session, LIBSSH2_ERROR_FILE, + "Invalid public key data"); + } + + sp1++; + + if ((sp2 = memchr(sp1, ' ', pubkey_len - (sp1 - pubkey - 1))) == NULL) { + /* Assume that the id string is missing, but that it's okay */ + sp2 = pubkey + pubkey_len; + } + + if (libssh2_base64_decode(session, (char **) &tmp, &tmp_len, + (char *) sp1, sp2 - sp1)) { + LIBSSH2_FREE(session, pubkey); + return _libssh2_error(session, LIBSSH2_ERROR_FILE, + "Invalid key data, not base64 encoded"); + } + + /* Wasting some bytes here (okay, more than some), but since it's likely + * to be freed soon anyway, we'll just avoid the extra free/alloc and call + * it a wash */ + *method = pubkey; + *method_len = sp1 - pubkey - 1; + + *pubkeydata = tmp; + *pubkeydata_len = tmp_len; + + return 0; +} + + + +/* libssh2_file_read_privatekey + * Read a PEM encoded private key from an id_??? style file + */ +static int +file_read_privatekey(LIBSSH2_SESSION * session, + const LIBSSH2_HOSTKEY_METHOD ** hostkey_method, + void **hostkey_abstract, + const unsigned char *method, int method_len, + const char *privkeyfile, const char *passphrase) +{ + const LIBSSH2_HOSTKEY_METHOD **hostkey_methods_avail = + libssh2_hostkey_methods(); + + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, "Loading private key file: %s", + privkeyfile); + *hostkey_method = NULL; + *hostkey_abstract = NULL; + while (*hostkey_methods_avail && (*hostkey_methods_avail)->name) { + if ((*hostkey_methods_avail)->initPEM + && strncmp((*hostkey_methods_avail)->name, (const char *) method, + method_len) == 0) { + *hostkey_method = *hostkey_methods_avail; + break; + } + hostkey_methods_avail++; + } + if (!*hostkey_method) { + return _libssh2_error(session, LIBSSH2_ERROR_METHOD_NONE, + "No handler for specified private key"); + } + + if ((*hostkey_method)-> + initPEM(session, privkeyfile, (unsigned char *) passphrase, + hostkey_abstract)) { + return _libssh2_error(session, LIBSSH2_ERROR_FILE, + "Unable to initialize private key from file"); + } + + return 0; +} + +struct privkey_file { + const char *filename; + const char *passphrase; +}; + +static int +sign_fromfile(LIBSSH2_SESSION *session, unsigned char **sig, size_t *sig_len, + const unsigned char *data, size_t data_len, void **abstract) +{ + struct privkey_file *privkey_file = (struct privkey_file *) (*abstract); + const LIBSSH2_HOSTKEY_METHOD *privkeyobj; + void *hostkey_abstract; + struct iovec datavec; + int rc; + + rc = file_read_privatekey(session, &privkeyobj, &hostkey_abstract, + session->userauth_pblc_method, + session->userauth_pblc_method_len, + privkey_file->filename, + privkey_file->passphrase); + if(rc) + return rc; + + datavec.iov_base = (void *)data; + datavec.iov_len = data_len; + + if (privkeyobj->signv(session, sig, sig_len, 1, &datavec, + &hostkey_abstract)) { + if (privkeyobj->dtor) { + privkeyobj->dtor(session, abstract); + } + return -1; + } + + if (privkeyobj->dtor) { + privkeyobj->dtor(session, &hostkey_abstract); + } + return 0; +} + + + +/* userauth_hostbased_fromfile + * Authenticate using a keypair found in the named files + */ +static int +userauth_hostbased_fromfile(LIBSSH2_SESSION *session, + const char *username, size_t username_len, + const char *publickey, const char *privatekey, + const char *passphrase, const char *hostname, + size_t hostname_len, + const char *local_username, + size_t local_username_len) +{ + int rc; + + if (session->userauth_host_state == libssh2_NB_state_idle) { + const LIBSSH2_HOSTKEY_METHOD *privkeyobj; + unsigned char *pubkeydata, *sig; + size_t pubkeydata_len; + size_t sig_len; + void *abstract; + unsigned char buf[5]; + struct iovec datavec[4]; + + /* Zero the whole thing out */ + memset(&session->userauth_host_packet_requirev_state, 0, + sizeof(session->userauth_host_packet_requirev_state)); + + if (publickey) { + rc = file_read_publickey(session, &session->userauth_host_method, + &session->userauth_host_method_len, + &pubkeydata, &pubkeydata_len, publickey); + if(rc) + /* Note: file_read_publickey() calls _libssh2_error() */ + return rc; + } + else { + /* Compute public key from private key. */ + rc = _libssh2_pub_priv_keyfile(session, + &session->userauth_host_method, + &session->userauth_host_method_len, + &pubkeydata, &pubkeydata_len, + privatekey, passphrase); + if (rc) + /* libssh2_pub_priv_keyfile calls _libssh2_error() */ + return rc; + } + + /* + * 52 = packet_type(1) + username_len(4) + servicename_len(4) + + * service_name(14)"ssh-connection" + authmethod_len(4) + + * authmethod(9)"hostbased" + method_len(4) + pubkeydata_len(4) + + * hostname_len(4) + local_username_len(4) + */ + session->userauth_host_packet_len = + username_len + session->userauth_host_method_len + hostname_len + + local_username_len + pubkeydata_len + 52; + + /* + * Preallocate space for an overall length, method name again, + * and the signature, which won't be any larger than the size of + * the publickeydata itself + */ + session->userauth_host_s = session->userauth_host_packet = + LIBSSH2_ALLOC(session, + session->userauth_host_packet_len + 4 + + (4 + session->userauth_host_method_len) + + (4 + pubkeydata_len)); + if (!session->userauth_host_packet) { + LIBSSH2_FREE(session, session->userauth_host_method); + session->userauth_host_method = NULL; + LIBSSH2_FREE(session, pubkeydata); + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Out of memory"); + } + + *(session->userauth_host_s++) = SSH_MSG_USERAUTH_REQUEST; + _libssh2_store_str(&session->userauth_host_s, username, username_len); + _libssh2_store_str(&session->userauth_host_s, "ssh-connection", 14); + _libssh2_store_str(&session->userauth_host_s, "hostbased", 9); + _libssh2_store_str(&session->userauth_host_s, + (const char *)session->userauth_host_method, + session->userauth_host_method_len); + _libssh2_store_str(&session->userauth_host_s, (const char *)pubkeydata, + pubkeydata_len); + LIBSSH2_FREE(session, pubkeydata); + _libssh2_store_str(&session->userauth_host_s, hostname, hostname_len); + _libssh2_store_str(&session->userauth_host_s, local_username, + local_username_len); + + rc = file_read_privatekey(session, &privkeyobj, &abstract, + session->userauth_host_method, + session->userauth_host_method_len, + privatekey, passphrase); + if(rc) { + /* Note: file_read_privatekey() calls _libssh2_error() */ + LIBSSH2_FREE(session, session->userauth_host_method); + session->userauth_host_method = NULL; + LIBSSH2_FREE(session, session->userauth_host_packet); + session->userauth_host_packet = NULL; + return rc; + } + + _libssh2_htonu32(buf, session->session_id_len); + datavec[0].iov_base = (void *)buf; + datavec[0].iov_len = 4; + datavec[1].iov_base = (void *)session->session_id; + datavec[1].iov_len = session->session_id_len; + datavec[2].iov_base = (void *)session->userauth_host_packet; + datavec[2].iov_len = session->userauth_host_packet_len; + + if (privkeyobj->signv(session, &sig, &sig_len, 3, datavec, &abstract)) { + LIBSSH2_FREE(session, session->userauth_host_method); + session->userauth_host_method = NULL; + LIBSSH2_FREE(session, session->userauth_host_packet); + session->userauth_host_packet = NULL; + if (privkeyobj->dtor) { + privkeyobj->dtor(session, &abstract); + } + return -1; + } + + if (privkeyobj->dtor) { + privkeyobj->dtor(session, &abstract); + } + + if (sig_len > pubkeydata_len) { + unsigned char *newpacket; + /* Should *NEVER* happen, but...well.. better safe than sorry */ + newpacket = LIBSSH2_REALLOC(session, session->userauth_host_packet, + session->userauth_host_packet_len + 4 + + (4 + session->userauth_host_method_len) + + (4 + sig_len)); /* PK sigblob */ + if (!newpacket) { + LIBSSH2_FREE(session, sig); + LIBSSH2_FREE(session, session->userauth_host_packet); + session->userauth_host_packet = NULL; + LIBSSH2_FREE(session, session->userauth_host_method); + session->userauth_host_method = NULL; + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Failed allocating additional space for " + "userauth-hostbased packet"); + } + session->userauth_host_packet = newpacket; + } + + session->userauth_host_s = + session->userauth_host_packet + session->userauth_host_packet_len; + + _libssh2_store_u32(&session->userauth_host_s, + 4 + session->userauth_host_method_len + 4 + sig_len); + _libssh2_store_str(&session->userauth_host_s, + (const char *)session->userauth_host_method, + session->userauth_host_method_len); + LIBSSH2_FREE(session, session->userauth_host_method); + session->userauth_host_method = NULL; + + _libssh2_store_str(&session->userauth_host_s, (const char *)sig, + sig_len); + LIBSSH2_FREE(session, sig); + + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Attempting hostbased authentication"); + + session->userauth_host_state = libssh2_NB_state_created; + } + + if (session->userauth_host_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, session->userauth_host_packet, + session->userauth_host_s - + session->userauth_host_packet, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, "Would block"); + } + else if (rc) { + LIBSSH2_FREE(session, session->userauth_host_packet); + session->userauth_host_packet = NULL; + session->userauth_host_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send userauth-hostbased request"); + } + LIBSSH2_FREE(session, session->userauth_host_packet); + session->userauth_host_packet = NULL; + + session->userauth_host_state = libssh2_NB_state_sent; + } + + if (session->userauth_host_state == libssh2_NB_state_sent) { + static const unsigned char reply_codes[3] = + { SSH_MSG_USERAUTH_SUCCESS, SSH_MSG_USERAUTH_FAILURE, 0 }; + size_t data_len; + rc = _libssh2_packet_requirev(session, reply_codes, + &session->userauth_host_data, + &data_len, 0, NULL, 0, + &session-> + userauth_host_packet_requirev_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, "Would block"); + } + + session->userauth_host_state = libssh2_NB_state_idle; + if (rc) { + return _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED, + "Auth failed"); + } + + if (session->userauth_host_data[0] == SSH_MSG_USERAUTH_SUCCESS) { + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Hostbased authentication successful"); + /* We are us and we've proved it. */ + LIBSSH2_FREE(session, session->userauth_host_data); + session->userauth_host_data = NULL; + session->state |= LIBSSH2_STATE_AUTHENTICATED; + return 0; + } + } + + /* This public key is not allowed for this user on this server */ + LIBSSH2_FREE(session, session->userauth_host_data); + session->userauth_host_data = NULL; + return _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED, + "Invalid signature for supplied public key, or bad " + "username/public key combination"); +} + +/* libssh2_userauth_hostbased_fromfile_ex + * Authenticate using a keypair found in the named files + */ +LIBSSH2_API int +libssh2_userauth_hostbased_fromfile_ex(LIBSSH2_SESSION *session, + const char *user, + unsigned int user_len, + const char *publickey, + const char *privatekey, + const char *passphrase, + const char *host, + unsigned int host_len, + const char *localuser, + unsigned int localuser_len) +{ + int rc; + BLOCK_ADJUST(rc, session, + userauth_hostbased_fromfile(session, user, user_len, + publickey, privatekey, + passphrase, host, host_len, + localuser, localuser_len)); + return rc; +} + + + +int +_libssh2_userauth_publickey(LIBSSH2_SESSION *session, + const char *username, + unsigned int username_len, + const unsigned char *pubkeydata, + unsigned long pubkeydata_len, + LIBSSH2_USERAUTH_PUBLICKEY_SIGN_FUNC((*sign_callback)), + void *abstract) +{ + unsigned char reply_codes[4] = + { SSH_MSG_USERAUTH_SUCCESS, SSH_MSG_USERAUTH_FAILURE, + SSH_MSG_USERAUTH_PK_OK, 0 + }; + int rc; + unsigned char *s; + + if (session->userauth_pblc_state == libssh2_NB_state_idle) { + + /* + * The call to _libssh2_ntohu32 later relies on pubkeydata having at + * least 4 valid bytes containing the length of the method name. + */ + if (pubkeydata_len < 4) + return _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED, + "Invalid public key, too short"); + + /* Zero the whole thing out */ + memset(&session->userauth_pblc_packet_requirev_state, 0, + sizeof(session->userauth_pblc_packet_requirev_state)); + + /* + * As an optimisation, userauth_publickey_fromfile reuses a + * previously allocated copy of the method name to avoid an extra + * allocation/free. + * For other uses, we allocate and populate it here. + */ + if (!session->userauth_pblc_method) { + session->userauth_pblc_method_len = _libssh2_ntohu32(pubkeydata); + + if(session->userauth_pblc_method_len > pubkeydata_len) + /* the method length simply cannot be longer than the entire + passed in data, so we use this to detect crazy input + data */ + return _libssh2_error(session, + LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED, + "Invalid public key"); + + session->userauth_pblc_method = + LIBSSH2_ALLOC(session, session->userauth_pblc_method_len); + if (!session->userauth_pblc_method) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for public key " + "data"); + } + memcpy(session->userauth_pblc_method, pubkeydata + 4, + session->userauth_pblc_method_len); + } + /* + * The length of the method name read from plaintext prefix in the + * file must match length embedded in the key. + * TODO: The data should match too but we don't check that. Should we? + */ + else if (session->userauth_pblc_method_len != + _libssh2_ntohu32(pubkeydata)) + return _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED, + "Invalid public key"); + + /* + * 45 = packet_type(1) + username_len(4) + servicename_len(4) + + * service_name(14)"ssh-connection" + authmethod_len(4) + + * authmethod(9)"publickey" + sig_included(1)'\0' + algmethod_len(4) + + * publickey_len(4) + */ + session->userauth_pblc_packet_len = + username_len + session->userauth_pblc_method_len + pubkeydata_len + + 45; + + /* + * Preallocate space for an overall length, method name again, and the + * signature, which won't be any larger than the size of the + * publickeydata itself. + * + * Note that the 'pubkeydata_len' extra bytes allocated here will not + * be used in this first send, but will be used in the later one where + * this same allocation is re-used. + */ + s = session->userauth_pblc_packet = + LIBSSH2_ALLOC(session, + session->userauth_pblc_packet_len + 4 + + (4 + session->userauth_pblc_method_len) + + (4 + pubkeydata_len)); + if (!session->userauth_pblc_packet) { + LIBSSH2_FREE(session, session->userauth_pblc_method); + session->userauth_pblc_method = NULL; + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Out of memory"); + } + + *s++ = SSH_MSG_USERAUTH_REQUEST; + _libssh2_store_str(&s, username, username_len); + _libssh2_store_str(&s, "ssh-connection", 14); + _libssh2_store_str(&s, "publickey", 9); + + session->userauth_pblc_b = s; + /* Not sending signature with *this* packet */ + *s++ = 0; + + _libssh2_store_str(&s, (const char *)session->userauth_pblc_method, + session->userauth_pblc_method_len); + _libssh2_store_str(&s, (const char *)pubkeydata, pubkeydata_len); + + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Attempting publickey authentication"); + + session->userauth_pblc_state = libssh2_NB_state_created; + } + + if (session->userauth_pblc_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, session->userauth_pblc_packet, + session->userauth_pblc_packet_len, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) + return _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, "Would block"); + else if (rc) { + LIBSSH2_FREE(session, session->userauth_pblc_packet); + session->userauth_pblc_packet = NULL; + LIBSSH2_FREE(session, session->userauth_pblc_method); + session->userauth_pblc_method = NULL; + session->userauth_pblc_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send userauth-publickey request"); + } + + session->userauth_pblc_state = libssh2_NB_state_sent; + } + + if (session->userauth_pblc_state == libssh2_NB_state_sent) { + rc = _libssh2_packet_requirev(session, reply_codes, + &session->userauth_pblc_data, + &session->userauth_pblc_data_len, 0, + NULL, 0, + &session-> + userauth_pblc_packet_requirev_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, "Would block"); + } + else if (rc) { + LIBSSH2_FREE(session, session->userauth_pblc_packet); + session->userauth_pblc_packet = NULL; + LIBSSH2_FREE(session, session->userauth_pblc_method); + session->userauth_pblc_method = NULL; + session->userauth_pblc_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED, + "Waiting for USERAUTH response"); + } + + if (session->userauth_pblc_data[0] == SSH_MSG_USERAUTH_SUCCESS) { + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Pubkey authentication prematurely successful"); + /* + * God help any SSH server that allows an UNVERIFIED + * public key to validate the user + */ + LIBSSH2_FREE(session, session->userauth_pblc_data); + session->userauth_pblc_data = NULL; + LIBSSH2_FREE(session, session->userauth_pblc_packet); + session->userauth_pblc_packet = NULL; + LIBSSH2_FREE(session, session->userauth_pblc_method); + session->userauth_pblc_method = NULL; + session->state |= LIBSSH2_STATE_AUTHENTICATED; + session->userauth_pblc_state = libssh2_NB_state_idle; + return 0; + } + + if (session->userauth_pblc_data[0] == SSH_MSG_USERAUTH_FAILURE) { + /* This public key is not allowed for this user on this server */ + LIBSSH2_FREE(session, session->userauth_pblc_data); + session->userauth_pblc_data = NULL; + LIBSSH2_FREE(session, session->userauth_pblc_packet); + session->userauth_pblc_packet = NULL; + LIBSSH2_FREE(session, session->userauth_pblc_method); + session->userauth_pblc_method = NULL; + session->userauth_pblc_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_AUTHENTICATION_FAILED, + "Username/PublicKey combination invalid"); + } + + /* Semi-Success! */ + LIBSSH2_FREE(session, session->userauth_pblc_data); + session->userauth_pblc_data = NULL; + + *session->userauth_pblc_b = 0x01; + session->userauth_pblc_state = libssh2_NB_state_sent1; + } + + if (session->userauth_pblc_state == libssh2_NB_state_sent1) { + unsigned char *buf; + unsigned char *sig; + size_t sig_len; + + s = buf = LIBSSH2_ALLOC(session, 4 + session->session_id_len + + session->userauth_pblc_packet_len); + if (!buf) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "userauth-publickey signed data"); + } + + _libssh2_store_str(&s, (const char *)session->session_id, + session->session_id_len); + + memcpy (s, session->userauth_pblc_packet, + session->userauth_pblc_packet_len); + s += session->userauth_pblc_packet_len; + + rc = sign_callback(session, &sig, &sig_len, buf, s - buf, abstract); + LIBSSH2_FREE(session, buf); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, "Would block"); + } else if (rc) { + LIBSSH2_FREE(session, session->userauth_pblc_method); + session->userauth_pblc_method = NULL; + LIBSSH2_FREE(session, session->userauth_pblc_packet); + session->userauth_pblc_packet = NULL; + session->userauth_pblc_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED, + "Callback returned error"); + } + + /* + * If this function was restarted, pubkeydata_len might still be 0 + * which will cause an unnecessary but harmless realloc here. + */ + if (sig_len > pubkeydata_len) { + unsigned char *newpacket; + /* Should *NEVER* happen, but...well.. better safe than sorry */ + newpacket = LIBSSH2_REALLOC(session, + session->userauth_pblc_packet, + session->userauth_pblc_packet_len + 4 + + (4 + session->userauth_pblc_method_len) + + (4 + sig_len)); /* PK sigblob */ + if (!newpacket) { + LIBSSH2_FREE(session, sig); + LIBSSH2_FREE(session, session->userauth_pblc_packet); + session->userauth_pblc_packet = NULL; + LIBSSH2_FREE(session, session->userauth_pblc_method); + session->userauth_pblc_method = NULL; + session->userauth_pblc_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Failed allocating additional space for " + "userauth-publickey packet"); + } + session->userauth_pblc_packet = newpacket; + } + + s = session->userauth_pblc_packet + session->userauth_pblc_packet_len; + session->userauth_pblc_b = NULL; + + _libssh2_store_u32(&s, + 4 + session->userauth_pblc_method_len + 4 + sig_len); + _libssh2_store_str(&s, (const char *)session->userauth_pblc_method, + session->userauth_pblc_method_len); + + LIBSSH2_FREE(session, session->userauth_pblc_method); + session->userauth_pblc_method = NULL; + + _libssh2_store_str(&s, (const char *)sig, sig_len); + LIBSSH2_FREE(session, sig); + + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Attempting publickey authentication -- phase 2"); + + session->userauth_pblc_s = s; + session->userauth_pblc_state = libssh2_NB_state_sent2; + } + + if (session->userauth_pblc_state == libssh2_NB_state_sent2) { + rc = _libssh2_transport_send(session, session->userauth_pblc_packet, + session->userauth_pblc_s - + session->userauth_pblc_packet, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, "Would block"); + } else if (rc) { + LIBSSH2_FREE(session, session->userauth_pblc_packet); + session->userauth_pblc_packet = NULL; + session->userauth_pblc_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send userauth-publickey request"); + } + LIBSSH2_FREE(session, session->userauth_pblc_packet); + session->userauth_pblc_packet = NULL; + + session->userauth_pblc_state = libssh2_NB_state_sent3; + } + + /* PK_OK is no longer valid */ + reply_codes[2] = 0; + + rc = _libssh2_packet_requirev(session, reply_codes, + &session->userauth_pblc_data, + &session->userauth_pblc_data_len, 0, NULL, 0, + &session->userauth_pblc_packet_requirev_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block requesting userauth list"); + } else if (rc) { + session->userauth_pblc_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED, + "Waiting for publickey USERAUTH response"); + } + + if (session->userauth_pblc_data[0] == SSH_MSG_USERAUTH_SUCCESS) { + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Publickey authentication successful"); + /* We are us and we've proved it. */ + LIBSSH2_FREE(session, session->userauth_pblc_data); + session->userauth_pblc_data = NULL; + session->state |= LIBSSH2_STATE_AUTHENTICATED; + session->userauth_pblc_state = libssh2_NB_state_idle; + return 0; + } + + /* This public key is not allowed for this user on this server */ + LIBSSH2_FREE(session, session->userauth_pblc_data); + session->userauth_pblc_data = NULL; + session->userauth_pblc_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED, + "Invalid signature for supplied public key, or bad " + "username/public key combination"); +} + +/* + * userauth_publickey_fromfile + * Authenticate using a keypair found in the named files + */ +static int +userauth_publickey_fromfile(LIBSSH2_SESSION *session, + const char *username, + size_t username_len, + const char *publickey, + const char *privatekey, + const char *passphrase) +{ + unsigned char *pubkeydata = NULL; + size_t pubkeydata_len = 0; + struct privkey_file privkey_file; + void *abstract = &privkey_file; + int rc; + + privkey_file.filename = privatekey; + privkey_file.passphrase = passphrase; + + if (session->userauth_pblc_state == libssh2_NB_state_idle) { + if (publickey) { + rc = file_read_publickey(session, &session->userauth_pblc_method, + &session->userauth_pblc_method_len, + &pubkeydata, &pubkeydata_len,publickey); + if (rc) + return rc; + } + else { + /* Compute public key from private key. */ + rc = _libssh2_pub_priv_keyfile(session, + &session->userauth_pblc_method, + &session->userauth_pblc_method_len, + &pubkeydata, &pubkeydata_len, + privatekey, passphrase); + + /* _libssh2_pub_priv_keyfile calls _libssh2_error() */ + if (rc) + return rc; + } + } + + rc = _libssh2_userauth_publickey(session, username, username_len, + pubkeydata, pubkeydata_len, + sign_fromfile, &abstract); + if(pubkeydata) + LIBSSH2_FREE(session, pubkeydata); + + return rc; +} + +/* libssh2_userauth_publickey_fromfile_ex + * Authenticate using a keypair found in the named files + */ +LIBSSH2_API int +libssh2_userauth_publickey_fromfile_ex(LIBSSH2_SESSION *session, + const char *user, + unsigned int user_len, + const char *publickey, + const char *privatekey, + const char *passphrase) +{ + int rc; + + if(NULL == passphrase) + /* if given a NULL pointer, make it point to a zero-length + string to save us from having to check this all over */ + passphrase=""; + + BLOCK_ADJUST(rc, session, + userauth_publickey_fromfile(session, user, user_len, + publickey, privatekey, + passphrase)); + return rc; +} + +/* libssh2_userauth_publickey_ex + * Authenticate using an external callback function + */ +LIBSSH2_API int +libssh2_userauth_publickey(LIBSSH2_SESSION *session, + const char *user, + const unsigned char *pubkeydata, + size_t pubkeydata_len, + LIBSSH2_USERAUTH_PUBLICKEY_SIGN_FUNC((*sign_callback)), + void **abstract) +{ + int rc; + + if(!session) + return LIBSSH2_ERROR_BAD_USE; + + BLOCK_ADJUST(rc, session, + _libssh2_userauth_publickey(session, user, strlen(user), + pubkeydata, pubkeydata_len, + sign_callback, abstract)); + return rc; +} + + + +/* + * userauth_keyboard_interactive + * + * Authenticate using a challenge-response authentication + */ +static int +userauth_keyboard_interactive(LIBSSH2_SESSION * session, + const char *username, + unsigned int username_len, + LIBSSH2_USERAUTH_KBDINT_RESPONSE_FUNC((*response_callback))) +{ + unsigned char *s; + int rc; + + static const unsigned char reply_codes[4] = { + SSH_MSG_USERAUTH_SUCCESS, + SSH_MSG_USERAUTH_FAILURE, SSH_MSG_USERAUTH_INFO_REQUEST, 0 + }; + unsigned int language_tag_len; + unsigned int i; + + if (session->userauth_kybd_state == libssh2_NB_state_idle) { + session->userauth_kybd_auth_name = NULL; + session->userauth_kybd_auth_instruction = NULL; + session->userauth_kybd_num_prompts = 0; + session->userauth_kybd_auth_failure = 1; + session->userauth_kybd_prompts = NULL; + session->userauth_kybd_responses = NULL; + + /* Zero the whole thing out */ + memset(&session->userauth_kybd_packet_requirev_state, 0, + sizeof(session->userauth_kybd_packet_requirev_state)); + + session->userauth_kybd_packet_len = + 1 /* byte SSH_MSG_USERAUTH_REQUEST */ + + 4 + username_len /* string user name (ISO-10646 UTF-8, as + defined in [RFC-3629]) */ + + 4 + 14 /* string service name (US-ASCII) */ + + 4 + 20 /* string "keyboard-interactive" (US-ASCII) */ + + 4 + 0 /* string language tag (as defined in + [RFC-3066]) */ + + 4 + 0 /* string submethods (ISO-10646 UTF-8) */ + ; + + session->userauth_kybd_data = s = + LIBSSH2_ALLOC(session, session->userauth_kybd_packet_len); + if (!s) { + return _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "keyboard-interactive authentication"); + } + + *s++ = SSH_MSG_USERAUTH_REQUEST; + + /* user name */ + _libssh2_store_str(&s, username, username_len); + + /* service name */ + _libssh2_store_str(&s, "ssh-connection", sizeof("ssh-connection") - 1); + + /* "keyboard-interactive" */ + _libssh2_store_str(&s, "keyboard-interactive", + sizeof("keyboard-interactive") - 1); + /* language tag */ + _libssh2_store_u32(&s, 0); + + /* submethods */ + _libssh2_store_u32(&s, 0); + + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Attempting keyboard-interactive authentication"); + + session->userauth_kybd_state = libssh2_NB_state_created; + } + + if (session->userauth_kybd_state == libssh2_NB_state_created) { + rc = _libssh2_transport_send(session, session->userauth_kybd_data, + session->userauth_kybd_packet_len, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, "Would block"); + } else if (rc) { + LIBSSH2_FREE(session, session->userauth_kybd_data); + session->userauth_kybd_data = NULL; + session->userauth_kybd_state = libssh2_NB_state_idle; + return _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send keyboard-interactive request"); + } + LIBSSH2_FREE(session, session->userauth_kybd_data); + session->userauth_kybd_data = NULL; + + session->userauth_kybd_state = libssh2_NB_state_sent; + } + + for(;;) { + if (session->userauth_kybd_state == libssh2_NB_state_sent) { + rc = _libssh2_packet_requirev(session, reply_codes, + &session->userauth_kybd_data, + &session->userauth_kybd_data_len, + 0, NULL, 0, + &session-> + userauth_kybd_packet_requirev_state); + if (rc == LIBSSH2_ERROR_EAGAIN) { + return _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block"); + } else if (rc) { + session->userauth_kybd_state = libssh2_NB_state_idle; + return _libssh2_error(session, + LIBSSH2_ERROR_AUTHENTICATION_FAILED, + "Waiting for keyboard USERAUTH response"); + } + + if (session->userauth_kybd_data[0] == SSH_MSG_USERAUTH_SUCCESS) { + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Keyboard-interactive authentication successful"); + LIBSSH2_FREE(session, session->userauth_kybd_data); + session->userauth_kybd_data = NULL; + session->state |= LIBSSH2_STATE_AUTHENTICATED; + session->userauth_kybd_state = libssh2_NB_state_idle; + return 0; + } + + if (session->userauth_kybd_data[0] == SSH_MSG_USERAUTH_FAILURE) { + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Keyboard-interactive authentication failed"); + LIBSSH2_FREE(session, session->userauth_kybd_data); + session->userauth_kybd_data = NULL; + session->userauth_kybd_state = libssh2_NB_state_idle; + return _libssh2_error(session, + LIBSSH2_ERROR_AUTHENTICATION_FAILED, + "Authentication failed " + "(keyboard-interactive)"); + } + + /* server requested PAM-like conversation */ + s = session->userauth_kybd_data + 1; + + /* string name (ISO-10646 UTF-8) */ + session->userauth_kybd_auth_name_len = _libssh2_ntohu32(s); + s += 4; + if(session->userauth_kybd_auth_name_len) { + session->userauth_kybd_auth_name = + LIBSSH2_ALLOC(session, + session->userauth_kybd_auth_name_len); + if (!session->userauth_kybd_auth_name) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "keyboard-interactive 'name' " + "request field"); + goto cleanup; + } + memcpy(session->userauth_kybd_auth_name, s, + session->userauth_kybd_auth_name_len); + s += session->userauth_kybd_auth_name_len; + } + + /* string instruction (ISO-10646 UTF-8) */ + session->userauth_kybd_auth_instruction_len = _libssh2_ntohu32(s); + s += 4; + if(session->userauth_kybd_auth_instruction_len) { + session->userauth_kybd_auth_instruction = + LIBSSH2_ALLOC(session, + session->userauth_kybd_auth_instruction_len); + if (!session->userauth_kybd_auth_instruction) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "keyboard-interactive 'instruction' " + "request field"); + goto cleanup; + } + memcpy(session->userauth_kybd_auth_instruction, s, + session->userauth_kybd_auth_instruction_len); + s += session->userauth_kybd_auth_instruction_len; + } + + /* string language tag (as defined in [RFC-3066]) */ + language_tag_len = _libssh2_ntohu32(s); + s += 4; + + /* ignoring this field as deprecated */ + s += language_tag_len; + + /* int num-prompts */ + session->userauth_kybd_num_prompts = _libssh2_ntohu32(s); + s += 4; + + if(session->userauth_kybd_num_prompts) { + session->userauth_kybd_prompts = + LIBSSH2_ALLOC(session, + sizeof(LIBSSH2_USERAUTH_KBDINT_PROMPT) * + session->userauth_kybd_num_prompts); + if (!session->userauth_kybd_prompts) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "keyboard-interactive prompts array"); + goto cleanup; + } + memset(session->userauth_kybd_prompts, 0, + sizeof(LIBSSH2_USERAUTH_KBDINT_PROMPT) * + session->userauth_kybd_num_prompts); + + session->userauth_kybd_responses = + LIBSSH2_ALLOC(session, + sizeof(LIBSSH2_USERAUTH_KBDINT_RESPONSE) * + session->userauth_kybd_num_prompts); + if (!session->userauth_kybd_responses) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "keyboard-interactive responses array"); + goto cleanup; + } + memset(session->userauth_kybd_responses, 0, + sizeof(LIBSSH2_USERAUTH_KBDINT_RESPONSE) * + session->userauth_kybd_num_prompts); + + for(i = 0; i != session->userauth_kybd_num_prompts; ++i) { + /* string prompt[1] (ISO-10646 UTF-8) */ + session->userauth_kybd_prompts[i].length = + _libssh2_ntohu32(s); + s += 4; + session->userauth_kybd_prompts[i].text = + LIBSSH2_ALLOC(session, + session->userauth_kybd_prompts[i].length); + if (!session->userauth_kybd_prompts[i].text) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for " + "keyboard-interactive prompt message"); + goto cleanup; + } + memcpy(session->userauth_kybd_prompts[i].text, s, + session->userauth_kybd_prompts[i].length); + s += session->userauth_kybd_prompts[i].length; + + /* boolean echo[1] */ + session->userauth_kybd_prompts[i].echo = *s++; + } + } + + response_callback(session->userauth_kybd_auth_name, + session->userauth_kybd_auth_name_len, + session->userauth_kybd_auth_instruction, + session->userauth_kybd_auth_instruction_len, + session->userauth_kybd_num_prompts, + session->userauth_kybd_prompts, + session->userauth_kybd_responses, + &session->abstract); + + _libssh2_debug(session, LIBSSH2_TRACE_AUTH, + "Keyboard-interactive response callback function" + " invoked"); + + session->userauth_kybd_packet_len = + 1 /* byte SSH_MSG_USERAUTH_INFO_RESPONSE */ + + 4 /* int num-responses */ + ; + + for(i = 0; i != session->userauth_kybd_num_prompts; ++i) { + /* string response[1] (ISO-10646 UTF-8) */ + session->userauth_kybd_packet_len += + 4 + session->userauth_kybd_responses[i].length; + } + + /* A new userauth_kybd_data area is to be allocated, free the + former one. */ + LIBSSH2_FREE(session, session->userauth_kybd_data); + + session->userauth_kybd_data = s = + LIBSSH2_ALLOC(session, session->userauth_kybd_packet_len); + if (!s) { + _libssh2_error(session, LIBSSH2_ERROR_ALLOC, + "Unable to allocate memory for keyboard-" + "interactive response packet"); + goto cleanup; + } + + *s = SSH_MSG_USERAUTH_INFO_RESPONSE; + s++; + _libssh2_store_u32(&s, session->userauth_kybd_num_prompts); + + for(i = 0; i != session->userauth_kybd_num_prompts; ++i) { + _libssh2_store_str(&s, + session->userauth_kybd_responses[i].text, + session->userauth_kybd_responses[i].length); + } + + session->userauth_kybd_state = libssh2_NB_state_sent1; + } + + if (session->userauth_kybd_state == libssh2_NB_state_sent1) { + rc = _libssh2_transport_send(session, session->userauth_kybd_data, + session->userauth_kybd_packet_len, + NULL, 0); + if (rc == LIBSSH2_ERROR_EAGAIN) + return _libssh2_error(session, LIBSSH2_ERROR_EAGAIN, + "Would block"); + if (rc) { + _libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND, + "Unable to send userauth-keyboard-interactive" + " request"); + goto cleanup; + } + + session->userauth_kybd_auth_failure = 0; + } + + cleanup: + /* + * It's safe to clean all the data here, because unallocated pointers + * are filled by zeroes + */ + + LIBSSH2_FREE(session, session->userauth_kybd_data); + session->userauth_kybd_data = NULL; + + if (session->userauth_kybd_prompts) { + for(i = 0; i != session->userauth_kybd_num_prompts; ++i) { + LIBSSH2_FREE(session, session->userauth_kybd_prompts[i].text); + session->userauth_kybd_prompts[i].text = NULL; + } + } + + if (session->userauth_kybd_responses) { + for(i = 0; i != session->userauth_kybd_num_prompts; ++i) { + LIBSSH2_FREE(session, + session->userauth_kybd_responses[i].text); + session->userauth_kybd_responses[i].text = NULL; + } + } + + if(session->userauth_kybd_prompts) { + LIBSSH2_FREE(session, session->userauth_kybd_prompts); + session->userauth_kybd_prompts = NULL; + } + if(session->userauth_kybd_responses) { + LIBSSH2_FREE(session, session->userauth_kybd_responses); + session->userauth_kybd_responses = NULL; + } + if(session->userauth_kybd_auth_name) { + LIBSSH2_FREE(session, session->userauth_kybd_auth_name); + session->userauth_kybd_auth_name = NULL; + } + if(session->userauth_kybd_auth_instruction) { + LIBSSH2_FREE(session, session->userauth_kybd_auth_instruction); + session->userauth_kybd_auth_instruction = NULL; + } + + if (session->userauth_kybd_auth_failure) { + session->userauth_kybd_state = libssh2_NB_state_idle; + return -1; + } + + session->userauth_kybd_state = libssh2_NB_state_sent; + } +} + +/* + * libssh2_userauth_keyboard_interactive_ex + * + * Authenticate using a challenge-response authentication + */ +LIBSSH2_API int +libssh2_userauth_keyboard_interactive_ex(LIBSSH2_SESSION *session, + const char *user, + unsigned int user_len, + LIBSSH2_USERAUTH_KBDINT_RESPONSE_FUNC((*response_callback))) +{ + int rc; + BLOCK_ADJUST(rc, session, + userauth_keyboard_interactive(session, user, user_len, + response_callback)); + return rc; +} diff --git a/vendor/libssh2-1.4.2/src/userauth.h b/vendor/libssh2-1.4.2/src/userauth.h new file mode 100644 index 0000000..c0442ae --- /dev/null +++ b/vendor/libssh2-1.4.2/src/userauth.h @@ -0,0 +1,50 @@ +#ifndef LIBSSH2_USERAUTH_H +#define LIBSSH2_USERAUTH_H +/* Copyright (c) 2004-2007, Sara Golemon + * Copyright (c) 2009-2010 by Daniel Stenberg + * All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ + +int +_libssh2_userauth_publickey(LIBSSH2_SESSION *session, + const char *username, + unsigned int username_len, + const unsigned char *pubkeydata, + unsigned long pubkeydata_len, + LIBSSH2_USERAUTH_PUBLICKEY_SIGN_FUNC((*sign_callback)), + void *abstract); + +#endif /* LIBSSH2_USERAUTH_H */ diff --git a/vendor/libssh2-1.4.2/src/version.c b/vendor/libssh2-1.4.2/src/version.c new file mode 100644 index 0000000..408f83a --- /dev/null +++ b/vendor/libssh2-1.4.2/src/version.c @@ -0,0 +1,54 @@ +/* Copyright (C) 2009 Daniel Stenberg. All rights reserved. + * + * Redistribution and use in source and binary forms, + * with or without modification, are permitted provided + * that the following conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the copyright holder nor the names + * of any other contributors may be used to endorse or + * promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + */ + +#include "libssh2_priv.h" + +/* + libssh2_version() can be used like this: + + if (!libssh2_version(LIBSSH2_VERSION_NUM)) { + fprintf (stderr, "Runtime libssh2 version too old!\n"); + exit(1); + } +*/ +LIBSSH2_API +const char *libssh2_version(int req_version_num) +{ + if(req_version_num <= LIBSSH2_VERSION_NUM) + return LIBSSH2_VERSION; + return NULL; /* this is not a suitable library! */ +} diff --git 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/Users/dlarimer/projects/AthenaRuntime && $(MAKE) -f vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/build.make vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/src/sigar_signal.c.s +.PHONY : src/sigar_signal.c.s + +src/sigar_util.o: src/sigar_util.c.o +.PHONY : src/sigar_util.o + +# target to build an object file +src/sigar_util.c.o: + cd /Users/dlarimer/projects/AthenaRuntime && $(MAKE) -f vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/build.make vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/src/sigar_util.c.o +.PHONY : src/sigar_util.c.o + +src/sigar_util.i: src/sigar_util.c.i +.PHONY : src/sigar_util.i + +# target to preprocess a source file +src/sigar_util.c.i: + cd /Users/dlarimer/projects/AthenaRuntime && $(MAKE) -f vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/build.make vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/src/sigar_util.c.i +.PHONY : src/sigar_util.c.i + +src/sigar_util.s: src/sigar_util.c.s +.PHONY : src/sigar_util.s + +# target to generate assembly for a file +src/sigar_util.c.s: + cd /Users/dlarimer/projects/AthenaRuntime && $(MAKE) -f vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/build.make vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/src/sigar_util.c.s +.PHONY : src/sigar_util.c.s + +src/sigar_version_autoconf.o: src/sigar_version_autoconf.c.o +.PHONY : src/sigar_version_autoconf.o + +# target to build an object file +src/sigar_version_autoconf.c.o: + cd /Users/dlarimer/projects/AthenaRuntime && $(MAKE) -f vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/build.make vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/src/sigar_version_autoconf.c.o +.PHONY : src/sigar_version_autoconf.c.o + +src/sigar_version_autoconf.i: src/sigar_version_autoconf.c.i +.PHONY : src/sigar_version_autoconf.i + +# target to preprocess a source file +src/sigar_version_autoconf.c.i: + cd /Users/dlarimer/projects/AthenaRuntime && $(MAKE) -f vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/build.make vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/src/sigar_version_autoconf.c.i +.PHONY : src/sigar_version_autoconf.c.i + +src/sigar_version_autoconf.s: src/sigar_version_autoconf.c.s +.PHONY : src/sigar_version_autoconf.s + +# target to generate assembly for a file +src/sigar_version_autoconf.c.s: + cd /Users/dlarimer/projects/AthenaRuntime && $(MAKE) -f vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/build.make vendor/fc/vendor/sigar/CMakeFiles/sigar.dir/src/sigar_version_autoconf.c.s +.PHONY : src/sigar_version_autoconf.c.s + +# Help Target +help: + @echo "The following are some of the valid targets for this Makefile:" + @echo "... all (the default if no target is provided)" + @echo "... clean" + @echo "... depend" + @echo "... edit_cache" + @echo "... install" + @echo "... install/local" + @echo "... install/strip" + @echo "... list_install_components" + @echo "... rebuild_cache" + @echo "... sigar" + @echo "... src/os/darwin/darwin_sigar.o" + @echo "... src/os/darwin/darwin_sigar.i" + @echo "... src/os/darwin/darwin_sigar.s" + @echo "... src/sigar.o" + @echo "... src/sigar.i" + @echo "... src/sigar.s" + @echo "... src/sigar_cache.o" + @echo "... src/sigar_cache.i" + @echo "... src/sigar_cache.s" + @echo "... src/sigar_fileinfo.o" + @echo "... src/sigar_fileinfo.i" + @echo "... src/sigar_fileinfo.s" + @echo "... src/sigar_format.o" + @echo "... src/sigar_format.i" + @echo "... src/sigar_format.s" + @echo "... src/sigar_getline.o" + @echo "... src/sigar_getline.i" + @echo "... src/sigar_getline.s" + @echo "... src/sigar_ptql.o" + @echo "... src/sigar_ptql.i" + @echo "... src/sigar_ptql.s" + @echo "... src/sigar_signal.o" + @echo "... src/sigar_signal.i" + @echo "... src/sigar_signal.s" + @echo "... src/sigar_util.o" + @echo "... src/sigar_util.i" + @echo "... src/sigar_util.s" + @echo "... src/sigar_version_autoconf.o" + @echo "... src/sigar_version_autoconf.i" + @echo "... src/sigar_version_autoconf.s" +.PHONY : help + + + +#============================================================================= +# Special targets to cleanup operation of make. + +# Special rule to run CMake to check the build system integrity. +# No rule that depends on this can have commands that come from listfiles +# because they might be regenerated. +cmake_check_build_system: + cd /Users/dlarimer/projects/AthenaRuntime && $(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR) --check-build-system CMakeFiles/Makefile.cmake 0 +.PHONY : cmake_check_build_system + diff --git a/vendor/sigar/cmake_install.cmake b/vendor/sigar/cmake_install.cmake new file mode 100644 index 0000000..7c84f9f --- /dev/null +++ b/vendor/sigar/cmake_install.cmake @@ -0,0 +1,37 @@ +# Install script for directory: /Users/dlarimer/projects/AthenaRuntime/vendor/fc/vendor/sigar + +# Set the install prefix +IF(NOT DEFINED CMAKE_INSTALL_PREFIX) + SET(CMAKE_INSTALL_PREFIX "/usr/local") +ENDIF(NOT DEFINED CMAKE_INSTALL_PREFIX) +STRING(REGEX REPLACE "/$" "" CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}") + +# Set the install configuration name. +IF(NOT DEFINED CMAKE_INSTALL_CONFIG_NAME) + IF(BUILD_TYPE) + STRING(REGEX REPLACE "^[^A-Za-z0-9_]+" "" + CMAKE_INSTALL_CONFIG_NAME "${BUILD_TYPE}") + ELSE(BUILD_TYPE) + SET(CMAKE_INSTALL_CONFIG_NAME "Release") + ENDIF(BUILD_TYPE) + MESSAGE(STATUS "Install configuration: \"${CMAKE_INSTALL_CONFIG_NAME}\"") +ENDIF(NOT DEFINED CMAKE_INSTALL_CONFIG_NAME) + +# Set the component getting installed. +IF(NOT CMAKE_INSTALL_COMPONENT) + IF(COMPONENT) + MESSAGE(STATUS "Install component: \"${COMPONENT}\"") + SET(CMAKE_INSTALL_COMPONENT "${COMPONENT}") + ELSE(COMPONENT) + SET(CMAKE_INSTALL_COMPONENT) + ENDIF(COMPONENT) +ENDIF(NOT CMAKE_INSTALL_COMPONENT) + +IF(NOT CMAKE_INSTALL_COMPONENT OR "${CMAKE_INSTALL_COMPONENT}" STREQUAL "Unspecified") + FILE(INSTALL DESTINATION "${CMAKE_INSTALL_PREFIX}/lib" TYPE STATIC_LIBRARY FILES "/Users/dlarimer/projects/AthenaRuntime/vendor/fc/vendor/sigar/libsigar.a") + IF(EXISTS "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libsigar.a" AND + NOT IS_SYMLINK "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libsigar.a") + EXECUTE_PROCESS(COMMAND "/opt/local/bin/ranlib" "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/lib/libsigar.a") + ENDIF() +ENDIF(NOT CMAKE_INSTALL_COMPONENT OR "${CMAKE_INSTALL_COMPONENT}" STREQUAL "Unspecified") + diff --git a/vendor/sigar/include/sigar.h b/vendor/sigar/include/sigar.h new file mode 100644 index 0000000..3b26cb8 --- /dev/null +++ b/vendor/sigar/include/sigar.h @@ -0,0 +1,943 @@ +/* + * Copyright (c) 2004-2008 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2009-2010 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SIGAR_H +#define SIGAR_H + +/* System Information Gatherer And Reporter */ + +#include + +#ifndef MAX_INTERFACE_NAME_LEN +#define MAX_INTERFACE_NAME_LEN 256 +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(_LP64) || \ + defined(__LP64__) || \ + defined(__64BIT__) || \ + defined(__powerpc64__) || \ + defined(__osf__) +#define SIGAR_64BIT +#endif + +/* for printf sigar_uint64_t */ +#ifdef SIGAR_64BIT +# define SIGAR_F_U64 "%lu" +#else +# define SIGAR_F_U64 "%Lu" +#endif + +#if defined(WIN32) + +typedef unsigned __int32 sigar_uint32_t; + +typedef unsigned __int64 sigar_uint64_t; + +typedef __int32 sigar_int32_t; + +typedef __int64 sigar_int64_t; + +#elif ULONG_MAX > 4294967295UL + +typedef unsigned int sigar_uint32_t; + +typedef unsigned long sigar_uint64_t; + +typedef int sigar_int32_t; + +typedef long sigar_int64_t; + +#else + +typedef unsigned int sigar_uint32_t; + +typedef unsigned long long sigar_uint64_t; + +typedef int sigar_int32_t; + +typedef long long sigar_int64_t; + +#endif + +#define SIGAR_FIELD_NOTIMPL -1 + +#define SIGAR_OK 0 +#define SIGAR_START_ERROR 20000 +#define SIGAR_ENOTIMPL (SIGAR_START_ERROR + 1) +#define SIGAR_OS_START_ERROR (SIGAR_START_ERROR*2) + +#ifdef WIN32 +# define SIGAR_ENOENT ERROR_FILE_NOT_FOUND +# define SIGAR_EACCES ERROR_ACCESS_DENIED +# define SIGAR_ENXIO ERROR_BAD_DRIVER_LEVEL +#else +# define SIGAR_ENOENT ENOENT +# define SIGAR_EACCES EACCES +# define SIGAR_ENXIO ENXIO +#endif + +#ifdef WIN32 +# define SIGAR_DECLARE(type) \ + __declspec(dllexport) type __stdcall +#else +# define SIGAR_DECLARE(type) type +#endif + +#if defined(PATH_MAX) +# define SIGAR_PATH_MAX PATH_MAX +#elif defined(MAXPATHLEN) +# define SIGAR_PATH_MAX MAXPATHLEN +#else +# define SIGAR_PATH_MAX 4096 +#endif + +#ifdef WIN32 +typedef sigar_uint64_t sigar_pid_t; +typedef unsigned long sigar_uid_t; +typedef unsigned long sigar_gid_t; +#else +#include +typedef pid_t sigar_pid_t; +typedef uid_t sigar_uid_t; +typedef gid_t sigar_gid_t; +#endif + +typedef struct sigar_t sigar_t; + +SIGAR_DECLARE(int) sigar_open(sigar_t **sigar); + +SIGAR_DECLARE(int) sigar_close(sigar_t *sigar); + +SIGAR_DECLARE(sigar_pid_t) sigar_pid_get(sigar_t *sigar); + +SIGAR_DECLARE(int) sigar_proc_kill(sigar_pid_t pid, int signum); + +SIGAR_DECLARE(int) sigar_signum_get(char *name); + +SIGAR_DECLARE(char *) sigar_strerror(sigar_t *sigar, int err); + +/* system memory info */ + +typedef struct { + sigar_uint64_t + ram, + total, + used, + free, + actual_used, + actual_free; + double used_percent; + double free_percent; +} sigar_mem_t; + +SIGAR_DECLARE(int) sigar_mem_get(sigar_t *sigar, sigar_mem_t *mem); + +typedef struct { + sigar_uint64_t + total, + used, + free, + page_in, + page_out; +} sigar_swap_t; + +SIGAR_DECLARE(int) sigar_swap_get(sigar_t *sigar, sigar_swap_t *swap); + +typedef struct { + sigar_uint64_t + user, + sys, + nice, + idle, + wait, + irq, + soft_irq, + stolen, + total; +} sigar_cpu_t; + +SIGAR_DECLARE(int) sigar_cpu_get(sigar_t *sigar, sigar_cpu_t *cpu); + +typedef struct { + unsigned long number; + unsigned long size; + sigar_cpu_t *data; +} sigar_cpu_list_t; + +SIGAR_DECLARE(int) sigar_cpu_list_get(sigar_t *sigar, sigar_cpu_list_t *cpulist); + +SIGAR_DECLARE(int) sigar_cpu_list_destroy(sigar_t *sigar, + sigar_cpu_list_t *cpulist); + +typedef struct { + char vendor[128]; + char model[128]; + int mhz; + int mhz_max; + int mhz_min; + sigar_uint64_t cache_size; + int total_sockets; + int total_cores; + int cores_per_socket; +} sigar_cpu_info_t; + +typedef struct { + unsigned long number; + unsigned long size; + sigar_cpu_info_t *data; +} sigar_cpu_info_list_t; + +SIGAR_DECLARE(int) +sigar_cpu_info_list_get(sigar_t *sigar, + sigar_cpu_info_list_t *cpu_infos); + +SIGAR_DECLARE(int) +sigar_cpu_info_list_destroy(sigar_t *sigar, + sigar_cpu_info_list_t *cpu_infos); + +typedef struct { + double uptime; +} sigar_uptime_t; + +SIGAR_DECLARE(int) sigar_uptime_get(sigar_t *sigar, + sigar_uptime_t *uptime); + +typedef struct { + double loadavg[3]; +} sigar_loadavg_t; + +SIGAR_DECLARE(int) sigar_loadavg_get(sigar_t *sigar, + sigar_loadavg_t *loadavg); + +typedef struct { + unsigned long number; + unsigned long size; + sigar_pid_t *data; +} sigar_proc_list_t; + +typedef struct { + /* RLIMIT_CPU */ + sigar_uint64_t cpu_cur, cpu_max; + /* RLIMIT_FSIZE */ + sigar_uint64_t file_size_cur, file_size_max; + /* PIPE_BUF */ + sigar_uint64_t pipe_size_cur, pipe_size_max; + /* RLIMIT_DATA */ + sigar_uint64_t data_cur, data_max; + /* RLIMIT_STACK */ + sigar_uint64_t stack_cur, stack_max; + /* RLIMIT_CORE */ + sigar_uint64_t core_cur, core_max; + /* RLIMIT_RSS */ + sigar_uint64_t memory_cur, memory_max; + /* RLIMIT_NPROC */ + sigar_uint64_t processes_cur, processes_max; + /* RLIMIT_NOFILE */ + sigar_uint64_t open_files_cur, open_files_max; + /* RLIMIT_AS */ + sigar_uint64_t virtual_memory_cur, virtual_memory_max; +} sigar_resource_limit_t; + +SIGAR_DECLARE(int) sigar_resource_limit_get(sigar_t *sigar, + sigar_resource_limit_t *rlimit); + +SIGAR_DECLARE(int) sigar_proc_list_get(sigar_t *sigar, + sigar_proc_list_t *proclist); + +SIGAR_DECLARE(int) sigar_proc_list_destroy(sigar_t *sigar, + sigar_proc_list_t *proclist); + +typedef struct { + sigar_uint64_t total; + sigar_uint64_t sleeping; + sigar_uint64_t running; + sigar_uint64_t zombie; + sigar_uint64_t stopped; + sigar_uint64_t idle; + sigar_uint64_t threads; +} sigar_proc_stat_t; + +SIGAR_DECLARE(int) sigar_proc_stat_get(sigar_t *sigar, + sigar_proc_stat_t *procstat); + +typedef struct { + sigar_uint64_t + size, + resident, + share, + minor_faults, + major_faults, + page_faults; +} sigar_proc_mem_t; + +SIGAR_DECLARE(int) sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_mem_t *procmem); + +typedef struct { + sigar_uid_t uid; + sigar_gid_t gid; + sigar_uid_t euid; + sigar_gid_t egid; +} sigar_proc_cred_t; + +SIGAR_DECLARE(int) sigar_proc_cred_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_cred_t *proccred); + +#define SIGAR_CRED_NAME_MAX 512 + +typedef struct { + char user[SIGAR_CRED_NAME_MAX]; + char group[SIGAR_CRED_NAME_MAX]; +} sigar_proc_cred_name_t; + +SIGAR_DECLARE(int) +sigar_proc_cred_name_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_cred_name_t *proccredname); + +typedef struct { + sigar_uint64_t + start_time, + user, + sys, + total; +} sigar_proc_time_t; + +SIGAR_DECLARE(int) sigar_proc_time_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_time_t *proctime); + +typedef struct { + /* must match sigar_proc_time_t fields */ + sigar_uint64_t + start_time, + user, + sys, + total; + sigar_uint64_t last_time; + double percent; +} sigar_proc_cpu_t; + +SIGAR_DECLARE(int) sigar_proc_cpu_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_cpu_t *proccpu); + +#define SIGAR_PROC_STATE_SLEEP 'S' +#define SIGAR_PROC_STATE_RUN 'R' +#define SIGAR_PROC_STATE_STOP 'T' +#define SIGAR_PROC_STATE_ZOMBIE 'Z' +#define SIGAR_PROC_STATE_IDLE 'D' + +#define SIGAR_PROC_NAME_LEN 128 + +typedef struct { + char name[SIGAR_PROC_NAME_LEN]; + char state; + sigar_pid_t ppid; + int tty; + int priority; + int nice; + int processor; + sigar_uint64_t threads; +} sigar_proc_state_t; + +SIGAR_DECLARE(int) sigar_proc_state_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_state_t *procstate); + +typedef struct { + unsigned long number; + unsigned long size; + char **data; +} sigar_proc_args_t; + +SIGAR_DECLARE(int) sigar_proc_args_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs); + +SIGAR_DECLARE(int) sigar_proc_args_destroy(sigar_t *sigar, + sigar_proc_args_t *procargs); + +typedef struct { + void *data; /* user data */ + + enum { + SIGAR_PROC_ENV_ALL, + SIGAR_PROC_ENV_KEY + } type; + + /* used for SIGAR_PROC_ENV_KEY */ + const char *key; + int klen; + + int (*env_getter)(void *, const char *, int, char *, int); +} sigar_proc_env_t; + +SIGAR_DECLARE(int) sigar_proc_env_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_env_t *procenv); + +typedef struct { + sigar_uint64_t total; + /* XXX - which are files, sockets, etc. */ +} sigar_proc_fd_t; + +SIGAR_DECLARE(int) sigar_proc_fd_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_fd_t *procfd); + +typedef struct { + char name[SIGAR_PATH_MAX+1]; + char cwd[SIGAR_PATH_MAX+1]; + char root[SIGAR_PATH_MAX+1]; +} sigar_proc_exe_t; + +SIGAR_DECLARE(int) sigar_proc_exe_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_exe_t *procexe); + +typedef struct { + void *data; /* user data */ + + int (*module_getter)(void *, char *, int); +} sigar_proc_modules_t; + +SIGAR_DECLARE(int) sigar_proc_modules_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_modules_t *procmods); + +typedef struct { + sigar_uint64_t user; + sigar_uint64_t sys; + sigar_uint64_t total; +} sigar_thread_cpu_t; + +SIGAR_DECLARE(int) sigar_thread_cpu_get(sigar_t *sigar, + sigar_uint64_t id, + sigar_thread_cpu_t *cpu); + +typedef enum { + SIGAR_FSTYPE_UNKNOWN, + SIGAR_FSTYPE_NONE, + SIGAR_FSTYPE_LOCAL_DISK, + SIGAR_FSTYPE_NETWORK, + SIGAR_FSTYPE_RAM_DISK, + SIGAR_FSTYPE_CDROM, + SIGAR_FSTYPE_SWAP, + SIGAR_FSTYPE_MAX +} sigar_file_system_type_e; + +#define SIGAR_FS_NAME_LEN SIGAR_PATH_MAX +#define SIGAR_FS_INFO_LEN 256 + +typedef struct { + char dir_name[SIGAR_FS_NAME_LEN]; + char dev_name[SIGAR_FS_NAME_LEN]; + char type_name[SIGAR_FS_INFO_LEN]; /* e.g. "local" */ + char sys_type_name[SIGAR_FS_INFO_LEN]; /* e.g. "ext3" */ + char options[SIGAR_FS_INFO_LEN]; + sigar_file_system_type_e type; + unsigned long flags; +} sigar_file_system_t; + +typedef struct { + unsigned long number; + unsigned long size; + sigar_file_system_t *data; +} sigar_file_system_list_t; + +SIGAR_DECLARE(int) +sigar_file_system_list_get(sigar_t *sigar, + sigar_file_system_list_t *fslist); + +SIGAR_DECLARE(int) +sigar_file_system_list_destroy(sigar_t *sigar, + sigar_file_system_list_t *fslist); + +typedef struct { + sigar_uint64_t reads; + sigar_uint64_t writes; + sigar_uint64_t write_bytes; + sigar_uint64_t read_bytes; + sigar_uint64_t rtime; + sigar_uint64_t wtime; + sigar_uint64_t qtime; + sigar_uint64_t time; + sigar_uint64_t snaptime; + double service_time; + double queue; +} sigar_disk_usage_t; + +/* XXX for sigar_file_system_usage_t compat */ +#define disk_reads disk.reads +#define disk_writes disk.writes +#define disk_write_bytes disk.write_bytes +#define disk_read_bytes disk.read_bytes +#define disk_queue disk.queue +#define disk_service_time disk.service_time + +typedef struct { + sigar_disk_usage_t disk; + double use_percent; + sigar_uint64_t total; + sigar_uint64_t free; + sigar_uint64_t used; + sigar_uint64_t avail; + sigar_uint64_t files; + sigar_uint64_t free_files; +} sigar_file_system_usage_t; + +#undef SIGAR_DISK_USAGE_T + +SIGAR_DECLARE(int) +sigar_file_system_usage_get(sigar_t *sigar, + const char *dirname, + sigar_file_system_usage_t *fsusage); + +SIGAR_DECLARE(int) sigar_disk_usage_get(sigar_t *sigar, + const char *name, + sigar_disk_usage_t *disk); + +SIGAR_DECLARE(int) +sigar_file_system_ping(sigar_t *sigar, + sigar_file_system_t *fs); + +typedef struct { + enum { + SIGAR_AF_UNSPEC, + SIGAR_AF_INET, + SIGAR_AF_INET6, + SIGAR_AF_LINK + } family; + union { + sigar_uint32_t in; + sigar_uint32_t in6[4]; + unsigned char mac[8]; + } addr; +} sigar_net_address_t; + +#define SIGAR_INET6_ADDRSTRLEN 46 + +#define SIGAR_MAXDOMAINNAMELEN 256 +#define SIGAR_MAXHOSTNAMELEN 256 + +typedef struct { + char default_gateway[SIGAR_INET6_ADDRSTRLEN]; + char default_gateway_interface[MAX_INTERFACE_NAME_LEN]; + char host_name[SIGAR_MAXHOSTNAMELEN]; + char domain_name[SIGAR_MAXDOMAINNAMELEN]; + char primary_dns[SIGAR_INET6_ADDRSTRLEN]; + char secondary_dns[SIGAR_INET6_ADDRSTRLEN]; +} sigar_net_info_t; + +SIGAR_DECLARE(int) +sigar_net_info_get(sigar_t *sigar, + sigar_net_info_t *netinfo); + +#define SIGAR_RTF_UP 0x1 +#define SIGAR_RTF_GATEWAY 0x2 +#define SIGAR_RTF_HOST 0x4 + +typedef struct { + sigar_net_address_t destination; + sigar_net_address_t gateway; + sigar_net_address_t mask; + sigar_uint64_t + flags, + refcnt, + use, + metric, + mtu, + window, + irtt; + char ifname[MAX_INTERFACE_NAME_LEN]; +} sigar_net_route_t; + +typedef struct { + unsigned long number; + unsigned long size; + sigar_net_route_t *data; +} sigar_net_route_list_t; + +SIGAR_DECLARE(int) sigar_net_route_list_get(sigar_t *sigar, + sigar_net_route_list_t *routelist); + +SIGAR_DECLARE(int) sigar_net_route_list_destroy(sigar_t *sigar, + sigar_net_route_list_t *routelist); + +/* + * platforms define most of these "standard" flags, + * but of course, with different values in some cases. + */ +#define SIGAR_IFF_UP 0x1 +#define SIGAR_IFF_BROADCAST 0x2 +#define SIGAR_IFF_DEBUG 0x4 +#define SIGAR_IFF_LOOPBACK 0x8 +#define SIGAR_IFF_POINTOPOINT 0x10 +#define SIGAR_IFF_NOTRAILERS 0x20 +#define SIGAR_IFF_RUNNING 0x40 +#define SIGAR_IFF_NOARP 0x80 +#define SIGAR_IFF_PROMISC 0x100 +#define SIGAR_IFF_ALLMULTI 0x200 +#define SIGAR_IFF_MULTICAST 0x800 +#define SIGAR_IFF_SLAVE 0x1000 +#define SIGAR_IFF_MASTER 0x2000 +#define SIGAR_IFF_DYNAMIC 0x4000 + +#define SIGAR_NULL_HWADDR "00:00:00:00:00:00" + +/* scope values from linux-2.6/include/net/ipv6.h */ +#define SIGAR_IPV6_ADDR_ANY 0x0000 +#define SIGAR_IPV6_ADDR_UNICAST 0x0001 +#define SIGAR_IPV6_ADDR_MULTICAST 0x0002 +#define SIGAR_IPV6_ADDR_LOOPBACK 0x0010 +#define SIGAR_IPV6_ADDR_LINKLOCAL 0x0020 +#define SIGAR_IPV6_ADDR_SITELOCAL 0x0040 +#define SIGAR_IPV6_ADDR_COMPATv4 0x0080 + +typedef struct { + char name[MAX_INTERFACE_NAME_LEN]; + char type[64]; + char description[256]; + sigar_net_address_t hwaddr; + sigar_net_address_t address; + sigar_net_address_t destination; + sigar_net_address_t broadcast; + sigar_net_address_t netmask; + sigar_net_address_t address6; + int prefix6_length; + int scope6; + sigar_uint64_t + flags, + mtu, + metric; + int tx_queue_len; +} sigar_net_interface_config_t; + +SIGAR_DECLARE(int) +sigar_net_interface_config_get(sigar_t *sigar, + const char *name, + sigar_net_interface_config_t *ifconfig); + +SIGAR_DECLARE(int) +sigar_net_interface_config_primary_get(sigar_t *sigar, + sigar_net_interface_config_t *ifconfig); + +typedef struct { + sigar_uint64_t + /* received */ + rx_packets, + rx_bytes, + rx_errors, + rx_dropped, + rx_overruns, + rx_frame, + /* transmitted */ + tx_packets, + tx_bytes, + tx_errors, + tx_dropped, + tx_overruns, + tx_collisions, + tx_carrier, + speed; +} sigar_net_interface_stat_t; + +SIGAR_DECLARE(int) +sigar_net_interface_stat_get(sigar_t *sigar, + const char *name, + sigar_net_interface_stat_t *ifstat); + +typedef struct { + unsigned long number; + unsigned long size; + char **data; +} sigar_net_interface_list_t; + +SIGAR_DECLARE(int) +sigar_net_interface_list_get(sigar_t *sigar, + sigar_net_interface_list_t *iflist); + +SIGAR_DECLARE(int) +sigar_net_interface_list_destroy(sigar_t *sigar, + sigar_net_interface_list_t *iflist); + +#define SIGAR_NETCONN_CLIENT 0x01 +#define SIGAR_NETCONN_SERVER 0x02 + +#define SIGAR_NETCONN_TCP 0x10 +#define SIGAR_NETCONN_UDP 0x20 +#define SIGAR_NETCONN_RAW 0x40 +#define SIGAR_NETCONN_UNIX 0x80 + +enum { + SIGAR_TCP_ESTABLISHED = 1, + SIGAR_TCP_SYN_SENT, + SIGAR_TCP_SYN_RECV, + SIGAR_TCP_FIN_WAIT1, + SIGAR_TCP_FIN_WAIT2, + SIGAR_TCP_TIME_WAIT, + SIGAR_TCP_CLOSE, + SIGAR_TCP_CLOSE_WAIT, + SIGAR_TCP_LAST_ACK, + SIGAR_TCP_LISTEN, + SIGAR_TCP_CLOSING, + SIGAR_TCP_IDLE, + SIGAR_TCP_BOUND, + SIGAR_TCP_UNKNOWN +}; + +typedef struct { + unsigned long local_port; + sigar_net_address_t local_address; + unsigned long remote_port; + sigar_net_address_t remote_address; + sigar_uid_t uid; + unsigned long inode; + int type; + int state; + unsigned long send_queue; + unsigned long receive_queue; +} sigar_net_connection_t; + +typedef struct { + unsigned long number; + unsigned long size; + sigar_net_connection_t *data; +} sigar_net_connection_list_t; + +SIGAR_DECLARE(int) +sigar_net_connection_list_get(sigar_t *sigar, + sigar_net_connection_list_t *connlist, + int flags); + +SIGAR_DECLARE(int) +sigar_net_connection_list_destroy(sigar_t *sigar, + sigar_net_connection_list_t *connlist); + +typedef struct sigar_net_connection_walker_t sigar_net_connection_walker_t; + +/* alternative to sigar_net_connection_list_get */ +struct sigar_net_connection_walker_t { + sigar_t *sigar; + int flags; + void *data; /* user data */ + int (*add_connection)(sigar_net_connection_walker_t *walker, + sigar_net_connection_t *connection); +}; + +SIGAR_DECLARE(int) +sigar_net_connection_walk(sigar_net_connection_walker_t *walker); + +typedef struct { + int tcp_states[SIGAR_TCP_UNKNOWN]; + sigar_uint32_t tcp_inbound_total; + sigar_uint32_t tcp_outbound_total; + sigar_uint32_t all_inbound_total; + sigar_uint32_t all_outbound_total; +} sigar_net_stat_t; + +SIGAR_DECLARE(int) +sigar_net_stat_get(sigar_t *sigar, + sigar_net_stat_t *netstat, + int flags); + +SIGAR_DECLARE(int) +sigar_net_stat_port_get(sigar_t *sigar, + sigar_net_stat_t *netstat, + int flags, + sigar_net_address_t *address, + unsigned long port); + +/* TCP-MIB */ +typedef struct { + sigar_uint64_t active_opens; + sigar_uint64_t passive_opens; + sigar_uint64_t attempt_fails; + sigar_uint64_t estab_resets; + sigar_uint64_t curr_estab; + sigar_uint64_t in_segs; + sigar_uint64_t out_segs; + sigar_uint64_t retrans_segs; + sigar_uint64_t in_errs; + sigar_uint64_t out_rsts; +} sigar_tcp_t; + +SIGAR_DECLARE(int) +sigar_tcp_get(sigar_t *sigar, + sigar_tcp_t *tcp); + +typedef struct { + sigar_uint64_t null; + sigar_uint64_t getattr; + sigar_uint64_t setattr; + sigar_uint64_t root; + sigar_uint64_t lookup; + sigar_uint64_t readlink; + sigar_uint64_t read; + sigar_uint64_t writecache; + sigar_uint64_t write; + sigar_uint64_t create; + sigar_uint64_t remove; + sigar_uint64_t rename; + sigar_uint64_t link; + sigar_uint64_t symlink; + sigar_uint64_t mkdir; + sigar_uint64_t rmdir; + sigar_uint64_t readdir; + sigar_uint64_t fsstat; +} sigar_nfs_v2_t; + +typedef sigar_nfs_v2_t sigar_nfs_client_v2_t; +typedef sigar_nfs_v2_t sigar_nfs_server_v2_t; + +SIGAR_DECLARE(int) +sigar_nfs_client_v2_get(sigar_t *sigar, + sigar_nfs_client_v2_t *nfs); + +SIGAR_DECLARE(int) +sigar_nfs_server_v2_get(sigar_t *sigar, + sigar_nfs_server_v2_t *nfs); + +typedef struct { + sigar_uint64_t null; + sigar_uint64_t getattr; + sigar_uint64_t setattr; + sigar_uint64_t lookup; + sigar_uint64_t access; + sigar_uint64_t readlink; + sigar_uint64_t read; + sigar_uint64_t write; + sigar_uint64_t create; + sigar_uint64_t mkdir; + sigar_uint64_t symlink; + sigar_uint64_t mknod; + sigar_uint64_t remove; + sigar_uint64_t rmdir; + sigar_uint64_t rename; + sigar_uint64_t link; + sigar_uint64_t readdir; + sigar_uint64_t readdirplus; + sigar_uint64_t fsstat; + sigar_uint64_t fsinfo; + sigar_uint64_t pathconf; + sigar_uint64_t commit; +} sigar_nfs_v3_t; + +typedef sigar_nfs_v3_t sigar_nfs_client_v3_t; +typedef sigar_nfs_v3_t sigar_nfs_server_v3_t; + +SIGAR_DECLARE(int) +sigar_nfs_client_v3_get(sigar_t *sigar, + sigar_nfs_client_v3_t *nfs); + +SIGAR_DECLARE(int) +sigar_nfs_server_v3_get(sigar_t *sigar, + sigar_nfs_server_v3_t *nfs); + +SIGAR_DECLARE(int) +sigar_net_listen_address_get(sigar_t *sigar, + unsigned long port, + sigar_net_address_t *address); + +typedef struct { + char ifname[MAX_INTERFACE_NAME_LEN]; + char type[64]; + sigar_net_address_t hwaddr; + sigar_net_address_t address; + sigar_uint64_t flags; +} sigar_arp_t; + +typedef struct { + unsigned long number; + unsigned long size; + sigar_arp_t *data; +} sigar_arp_list_t; + +SIGAR_DECLARE(int) sigar_arp_list_get(sigar_t *sigar, + sigar_arp_list_t *arplist); + +SIGAR_DECLARE(int) sigar_arp_list_destroy(sigar_t *sigar, + sigar_arp_list_t *arplist); + +typedef struct { + char user[32]; + char device[32]; + char host[256]; + sigar_uint64_t time; +} sigar_who_t; + +typedef struct { + unsigned long number; + unsigned long size; + sigar_who_t *data; +} sigar_who_list_t; + +SIGAR_DECLARE(int) sigar_who_list_get(sigar_t *sigar, + sigar_who_list_t *wholist); + +SIGAR_DECLARE(int) sigar_who_list_destroy(sigar_t *sigar, + sigar_who_list_t *wholist); + +SIGAR_DECLARE(int) sigar_proc_port_get(sigar_t *sigar, + int protocol, unsigned long port, + sigar_pid_t *pid); + +typedef struct { + const char *build_date; + const char *scm_revision; + const char *version; + const char *archname; + const char *archlib; + const char *binname; + const char *description; + int major, minor, maint, build; +} sigar_version_t; + +SIGAR_DECLARE(sigar_version_t *) sigar_version_get(void); + +#define SIGAR_SYS_INFO_LEN SIGAR_MAXHOSTNAMELEN /* more than enough */ + +typedef struct { + char name[SIGAR_SYS_INFO_LEN]; /* canonicalized sysname */ + char version[SIGAR_SYS_INFO_LEN]; /* utsname.release */ + char arch[SIGAR_SYS_INFO_LEN]; + char machine[SIGAR_SYS_INFO_LEN]; + char description[SIGAR_SYS_INFO_LEN]; + char patch_level[SIGAR_SYS_INFO_LEN]; + char vendor[SIGAR_SYS_INFO_LEN]; + char vendor_version[SIGAR_SYS_INFO_LEN]; + char vendor_name[SIGAR_SYS_INFO_LEN]; /* utsname.sysname */ + char vendor_code_name[SIGAR_SYS_INFO_LEN]; +} sigar_sys_info_t; + +SIGAR_DECLARE(int) sigar_sys_info_get(sigar_t *sigar, sigar_sys_info_t *sysinfo); + +#define SIGAR_FQDN_LEN 512 + +SIGAR_DECLARE(int) sigar_fqdn_get(sigar_t *sigar, char *name, int namelen); + +SIGAR_DECLARE(int) sigar_rpc_ping(char *hostname, + int protocol, + unsigned long program, + unsigned long version); + +SIGAR_DECLARE(char *) sigar_rpc_strerror(int err); + +SIGAR_DECLARE(char *) sigar_password_get(const char *prompt); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/vendor/sigar/include/sigar_fileinfo.h b/vendor/sigar/include/sigar_fileinfo.h new file mode 100644 index 0000000..f13a4e4 --- /dev/null +++ b/vendor/sigar/include/sigar_fileinfo.h @@ -0,0 +1,157 @@ +/* + * Copyright (c) 2004-2005 Hyperic, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* ==================================================================== + * The Apache Software License, Version 1.1 + * + * Copyright (c) 2000-2003 The Apache Software Foundation. All rights + * reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. The end-user documentation included with the redistribution, + * if any, must include the following acknowledgment: + * "This product includes software developed by the + * Apache Software Foundation (http://www.apache.org/)." + * Alternately, this acknowledgment may appear in the software itself, + * if and wherever such third-party acknowledgments normally appear. + * + * 4. The names "Apache" and "Apache Software Foundation" must + * not be used to endorse or promote products derived from this + * software without prior written permission. For written + * permission, please contact apache@apache.org. + * + * 5. Products derived from this software may not be called "Apache", + * nor may "Apache" appear in their name, without prior written + * permission of the Apache Software Foundation. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * . + */ + +#include "sigar.h" + +typedef enum { + SIGAR_FILETYPE_NOFILE = 0, /**< no file type determined */ + SIGAR_FILETYPE_REG, /**< a regular file */ + SIGAR_FILETYPE_DIR, /**< a directory */ + SIGAR_FILETYPE_CHR, /**< a character device */ + SIGAR_FILETYPE_BLK, /**< a block device */ + SIGAR_FILETYPE_PIPE, /**< a FIFO / pipe */ + SIGAR_FILETYPE_LNK, /**< a symbolic link */ + SIGAR_FILETYPE_SOCK, /**< a [unix domain] socket */ + SIGAR_FILETYPE_UNKFILE /**< a file of some other unknown type */ +} sigar_file_type_e; + +#define SIGAR_UREAD 0x0400 /**< Read by user */ +#define SIGAR_UWRITE 0x0200 /**< Write by user */ +#define SIGAR_UEXECUTE 0x0100 /**< Execute by user */ + +#define SIGAR_GREAD 0x0040 /**< Read by group */ +#define SIGAR_GWRITE 0x0020 /**< Write by group */ +#define SIGAR_GEXECUTE 0x0010 /**< Execute by group */ + +#define SIGAR_WREAD 0x0004 /**< Read by others */ +#define SIGAR_WWRITE 0x0002 /**< Write by others */ +#define SIGAR_WEXECUTE 0x0001 /**< Execute by others */ + +typedef struct { + /** The access permissions of the file. Mimics Unix access rights. */ + sigar_uint64_t permissions; + sigar_file_type_e type; + /** The user id that owns the file */ + sigar_uid_t uid; + /** The group id that owns the file */ + sigar_gid_t gid; + /** The inode of the file. */ + sigar_uint64_t inode; + /** The id of the device the file is on. */ + sigar_uint64_t device; + /** The number of hard links to the file. */ + sigar_uint64_t nlink; + /** The size of the file */ + sigar_uint64_t size; + /** The time the file was last accessed */ + sigar_uint64_t atime; + /** The time the file was last modified */ + sigar_uint64_t mtime; + /** The time the file was last changed */ + sigar_uint64_t ctime; +} sigar_file_attrs_t; + +typedef struct { + sigar_uint64_t total; + sigar_uint64_t files; + sigar_uint64_t subdirs; + sigar_uint64_t symlinks; + sigar_uint64_t chrdevs; + sigar_uint64_t blkdevs; + sigar_uint64_t sockets; + sigar_uint64_t disk_usage; +} sigar_dir_stat_t; + +typedef sigar_dir_stat_t sigar_dir_usage_t; + +SIGAR_DECLARE(const char *) +sigar_file_attrs_type_string_get(sigar_file_type_e type); + +SIGAR_DECLARE(int) sigar_file_attrs_get(sigar_t *sigar, + const char *file, + sigar_file_attrs_t *fileattrs); + +SIGAR_DECLARE(int) sigar_link_attrs_get(sigar_t *sigar, + const char *file, + sigar_file_attrs_t *fileattrs); + +SIGAR_DECLARE(int)sigar_file_attrs_mode_get(sigar_uint64_t permissions); + +SIGAR_DECLARE(char *) +sigar_file_attrs_permissions_string_get(sigar_uint64_t permissions, + char *str); + +SIGAR_DECLARE(int) sigar_dir_stat_get(sigar_t *sigar, + const char *dir, + sigar_dir_stat_t *dirstats); + +SIGAR_DECLARE(int) sigar_dir_usage_get(sigar_t *sigar, + const char *dir, + sigar_dir_usage_t *dirusage); diff --git a/vendor/sigar/include/sigar_format.h b/vendor/sigar/include/sigar_format.h new file mode 100644 index 0000000..3bce29b --- /dev/null +++ b/vendor/sigar/include/sigar_format.h @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2007-2008 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SIGAR_FORMAT_H +#define SIGAR_FORMAT_H + +typedef struct { + double user; + double sys; + double nice; + double idle; + double wait; + double irq; + double soft_irq; + double stolen; + double combined; +} sigar_cpu_perc_t; + +SIGAR_DECLARE(int) sigar_cpu_perc_calculate(sigar_cpu_t *prev, + sigar_cpu_t *curr, + sigar_cpu_perc_t *perc); + +SIGAR_DECLARE(int) sigar_uptime_string(sigar_t *sigar, + sigar_uptime_t *uptime, + char *buffer, + int buflen); + +SIGAR_DECLARE(char *) sigar_format_size(sigar_uint64_t size, char *buf); + +SIGAR_DECLARE(int) sigar_net_address_equals(sigar_net_address_t *addr1, + sigar_net_address_t *addr2); + +SIGAR_DECLARE(int) sigar_net_address_to_string(sigar_t *sigar, + sigar_net_address_t *address, + char *addr_str); + +SIGAR_DECLARE(const char *)sigar_net_scope_to_string(int type); + +SIGAR_DECLARE(sigar_uint32_t) sigar_net_address_hash(sigar_net_address_t *address); + +SIGAR_DECLARE(const char *)sigar_net_connection_type_get(int type); + +SIGAR_DECLARE(const char *)sigar_net_connection_state_get(int state); + +SIGAR_DECLARE(char *) sigar_net_interface_flags_to_string(sigar_uint64_t flags, char *buf); + +SIGAR_DECLARE(char *)sigar_net_services_name_get(sigar_t *sigar, + int protocol, unsigned long port); + +#endif + diff --git a/vendor/sigar/include/sigar_getline.h b/vendor/sigar/include/sigar_getline.h new file mode 100644 index 0000000..f5bbc7c --- /dev/null +++ b/vendor/sigar/include/sigar_getline.h @@ -0,0 +1,18 @@ +#ifndef SIGAR_GETLINE_H +#define SIGAR_GETLINE_H + +#include "sigar.h" + +typedef int (*sigar_getline_completer_t)(char *, int, int *); + +SIGAR_DECLARE(char *) sigar_getline(char *prompt); +SIGAR_DECLARE(void) sigar_getline_setwidth(int width); +SIGAR_DECLARE(void) sigar_getline_redraw(void); +SIGAR_DECLARE(void) sigar_getline_reset(void); +SIGAR_DECLARE(void) sigar_getline_windowchanged(); +SIGAR_DECLARE(void) sigar_getline_histinit(char *file); +SIGAR_DECLARE(void) sigar_getline_histadd(char *buf); +SIGAR_DECLARE(int) sigar_getline_eof(); +SIGAR_DECLARE(void) sigar_getline_completer_set(sigar_getline_completer_t func); + +#endif /* SIGAR_GETLINE_H */ diff --git a/vendor/sigar/include/sigar_log.h b/vendor/sigar/include/sigar_log.h new file mode 100644 index 0000000..cc32f9a --- /dev/null +++ b/vendor/sigar/include/sigar_log.h @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2004, 2006 Hyperic, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SIGAR_LOG_H +#define SIGAR_LOG_H + +#include + +#define SIGAR_LOG_FATAL 0 +#define SIGAR_LOG_ERROR 1 +#define SIGAR_LOG_WARN 2 +#define SIGAR_LOG_INFO 3 +#define SIGAR_LOG_DEBUG 4 +#define SIGAR_LOG_TRACE 5 + +#define SIGAR_LOG_IS_FATAL(sigar) \ + (sigar->log_level >= SIGAR_LOG_FATAL) + +#define SIGAR_LOG_IS_ERROR(sigar) \ + (sigar->log_level >= SIGAR_LOG_ERROR) + +#define SIGAR_LOG_IS_WARN(sigar) \ + (sigar->log_level >= SIGAR_LOG_WARN) + +#define SIGAR_LOG_IS_INFO(sigar) \ + (sigar->log_level >= SIGAR_LOG_INFO) + +#define SIGAR_LOG_IS_DEBUG(sigar) \ + (sigar->log_level >= SIGAR_LOG_DEBUG) + +#define SIGAR_LOG_IS_TRACE(sigar) \ + (sigar->log_level >= SIGAR_LOG_TRACE) + +#define SIGAR_STRINGIFY(n) #n + +#define SIGAR_LOG_FILELINE \ + __FILE__ ":" SIGAR_STRINGIFY(__LINE__) + +#if defined(__GNUC__) +# if (__GNUC__ > 2) +# define SIGAR_FUNC __func__ +# else +# define SIGAR_FUNC __FUNCTION__ +# endif +#else +# define SIGAR_FUNC SIGAR_LOG_FILELINE +#endif + +typedef void (*sigar_log_impl_t)(sigar_t *, void *, int, char *); + +SIGAR_DECLARE(void) sigar_log_printf(sigar_t *sigar, int level, + const char *format, ...); + +SIGAR_DECLARE(void) sigar_log(sigar_t *sigar, int level, char *message); + +SIGAR_DECLARE(void) sigar_log_impl_set(sigar_t *sigar, void *data, + sigar_log_impl_t impl); + +SIGAR_DECLARE(void) sigar_log_impl_file(sigar_t *sigar, void *data, + int level, char *message); + +SIGAR_DECLARE(int) sigar_log_level_get(sigar_t *sigar); + +SIGAR_DECLARE(void) sigar_log_level_set(sigar_t *sigar, int level); + + +#endif /* SIGAR_LOG_H */ diff --git a/vendor/sigar/include/sigar_private.h b/vendor/sigar/include/sigar_private.h new file mode 100644 index 0000000..cfc9aa2 --- /dev/null +++ b/vendor/sigar/include/sigar_private.h @@ -0,0 +1,422 @@ +/* + * Copyright (c) 2004-2008 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2009-2010 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SIGAR_PRIVATE_DOT_H +#define SIGAR_PRIVATE_DOT_H + +#include "sigar_log.h" +#include "sigar_ptql.h" + +#include +#include +#include + +#ifndef WIN32 +#include +#include +#ifndef DARWIN +#include +#endif +#endif + +#ifdef DMALLOC +#define _MEMORY_H /* exclude memory.h on solaris */ +#define DMALLOC_FUNC_CHECK +#include +#endif + +/* common to all os sigar_t's */ +/* XXX: this is ugly; but don't want the same stuffs + * duplicated on 4 platforms and am too lazy to change + * sigar_t to the way it was originally where sigar_t was + * common and contained a sigar_os_t. + * feel free trav ;-) + */ +#define SIGAR_T_BASE \ + int cpu_list_cores; \ + int log_level; \ + void *log_data; \ + sigar_log_impl_t log_impl; \ + void *ptql_re_data; \ + sigar_ptql_re_impl_t ptql_re_impl; \ + unsigned int ncpu; \ + unsigned long version; \ + unsigned long boot_time; \ + int ticks; \ + sigar_pid_t pid; \ + char errbuf[256]; \ + char *ifconf_buf; \ + int ifconf_len; \ + char *self_path; \ + sigar_proc_list_t *pids; \ + sigar_cache_t *fsdev; \ + sigar_cache_t *proc_cpu; \ + sigar_cache_t *net_listen; \ + sigar_cache_t *net_services_tcp; \ + sigar_cache_t *net_services_udp + +#if defined(WIN32) +# define SIGAR_INLINE __inline +#elif defined(__GNUC__) +# define SIGAR_INLINE inline +#else +# define SIGAR_INLINE +#endif + +#ifdef DMALLOC +/* linux has its own strdup macro, make sure we use dmalloc's */ +#define sigar_strdup(s) \ + dmalloc_strndup(__FILE__, __LINE__, (s), -1, 0) +#else +# ifdef WIN32 +# define sigar_strdup(s) _strdup(s) +# else +# define sigar_strdup(s) strdup(s) +# endif +#endif + +#define SIGAR_ZERO(s) \ + memset(s, '\0', sizeof(*(s))) + +#define SIGAR_STRNCPY(dest, src, len) \ + strncpy(dest, src, len); \ + dest[len-1] = '\0' + +/* we use fixed size buffers pretty much everywhere */ +/* this is strncpy + ensured \0 terminator */ +#define SIGAR_SSTRCPY(dest, src) \ + SIGAR_STRNCPY(dest, src, sizeof(dest)) + +#ifndef strEQ +#define strEQ(s1, s2) (strcmp(s1, s2) == 0) +#endif + +#ifndef strnEQ +#define strnEQ(s1, s2, n) (strncmp(s1, s2, n) == 0) +#endif + +#ifdef WIN32 +#define strcasecmp stricmp +#define strncasecmp strnicmp +#endif + +#ifndef strcaseEQ +#define strcaseEQ(s1, s2) (strcasecmp(s1, s2) == 0) +#endif + +#ifndef strncaseEQ +#define strncaseEQ(s1, s2, n) (strncasecmp(s1, s2, n) == 0) +#endif + +#ifdef offsetof +#define sigar_offsetof offsetof +#else +#define sigar_offsetof(type, field) ((size_t)(&((type *)0)->field)) +#endif + +#define SIGAR_MSEC 1000L +#define SIGAR_USEC 1000000L +#define SIGAR_NSEC 1000000000L + +#define SIGAR_SEC2NANO(s) \ + ((sigar_uint64_t)(s) * (sigar_uint64_t)SIGAR_NSEC) + +/* cpu ticks to milliseconds */ +#define SIGAR_TICK2MSEC(s) \ + ((sigar_uint64_t)(s) * ((sigar_uint64_t)SIGAR_MSEC / (double)sigar->ticks)) + +#define SIGAR_TICK2NSEC(s) \ + ((sigar_uint64_t)(s) * ((sigar_uint64_t)SIGAR_NSEC / (double)sigar->ticks)) + +/* nanoseconds to milliseconds */ +#define SIGAR_NSEC2MSEC(s) \ + ((sigar_uint64_t)(s) / ((sigar_uint64_t)1000000L)) + +#define IFTYPE_LO 2 +#define IFTYPE_ETH 3 + +#define SIGAR_LAST_PROC_EXPIRE 2 + +#define SIGAR_FS_MAX 10 + +#define SIGAR_CPU_INFO_MAX 4 + +#define SIGAR_CPU_LIST_MAX 4 + +#define SIGAR_PROC_LIST_MAX 256 + +#define SIGAR_PROC_ARGS_MAX 12 + +#define SIGAR_NET_ROUTE_LIST_MAX 6 + +#define SIGAR_NET_IFLIST_MAX 20 + +#define SIGAR_NET_CONNLIST_MAX 20 + +#define SIGAR_ARP_LIST_MAX 12 + +#define SIGAR_WHO_LIST_MAX 12 + +int sigar_os_open(sigar_t **sigar); + +int sigar_os_close(sigar_t *sigar); + +char *sigar_os_error_string(sigar_t *sigar, int err); + +char *sigar_strerror_get(int err, char *errbuf, int buflen); + +void sigar_strerror_set(sigar_t *sigar, char *msg); + +void sigar_strerror_printf(sigar_t *sigar, const char *format, ...); + +int sigar_sys_info_get_uname(sigar_sys_info_t *sysinfo); + +int sigar_os_sys_info_get(sigar_t *sigar, sigar_sys_info_t *sysinfo); + +int sigar_os_proc_list_get(sigar_t *sigar, + sigar_proc_list_t *proclist); + +int sigar_proc_list_create(sigar_proc_list_t *proclist); + +int sigar_proc_list_grow(sigar_proc_list_t *proclist); + +#define SIGAR_PROC_LIST_GROW(proclist) \ + if (proclist->number >= proclist->size) { \ + sigar_proc_list_grow(proclist); \ + } + +int sigar_proc_args_create(sigar_proc_args_t *proclist); + +int sigar_proc_args_grow(sigar_proc_args_t *procargs); + +#define SIGAR_PROC_ARGS_GROW(procargs) \ + if (procargs->number >= procargs->size) { \ + sigar_proc_args_grow(procargs); \ + } + +int sigar_os_proc_args_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs); + +int sigar_file_system_list_create(sigar_file_system_list_t *fslist); + +int sigar_file_system_list_grow(sigar_file_system_list_t *fslist); + +#define SIGAR_FILE_SYSTEM_LIST_GROW(fslist) \ + if (fslist->number >= fslist->size) { \ + sigar_file_system_list_grow(fslist); \ + } + +int sigar_os_fs_type_get(sigar_file_system_t *fsp); + +/* os plugins that set fsp->type call fs_type_get directly */ +#define sigar_fs_type_init(fsp) \ + fsp->type = SIGAR_FSTYPE_UNKNOWN; \ + sigar_fs_type_get(fsp) + +void sigar_fs_type_get(sigar_file_system_t *fsp); + +int sigar_cpu_info_list_create(sigar_cpu_info_list_t *cpu_infos); + +int sigar_cpu_info_list_grow(sigar_cpu_info_list_t *cpu_infos); + +#define SIGAR_CPU_INFO_LIST_GROW(cpu_infos) \ + if (cpu_infos->number >= cpu_infos->size) { \ + sigar_cpu_info_list_grow(cpu_infos); \ + } + +int sigar_cpu_list_create(sigar_cpu_list_t *cpulist); + +int sigar_cpu_list_grow(sigar_cpu_list_t *cpulist); + +#define SIGAR_CPU_LIST_GROW(cpulist) \ + if (cpulist->number >= cpulist->size) { \ + sigar_cpu_list_grow(cpulist); \ + } + +int sigar_net_route_list_create(sigar_net_route_list_t *routelist); + +int sigar_net_route_list_grow(sigar_net_route_list_t *net_routelist); + +#define SIGAR_NET_ROUTE_LIST_GROW(routelist) \ + if (routelist->number >= routelist->size) { \ + sigar_net_route_list_grow(routelist); \ + } + +int sigar_net_interface_list_create(sigar_net_interface_list_t *iflist); + +int sigar_net_interface_list_grow(sigar_net_interface_list_t *iflist); + +#define SIGAR_NET_IFLIST_GROW(iflist) \ + if (iflist->number >= iflist->size) { \ + sigar_net_interface_list_grow(iflist); \ + } + +int sigar_net_connection_list_create(sigar_net_connection_list_t *connlist); + +int sigar_net_connection_list_grow(sigar_net_connection_list_t *connlist); + +#define SIGAR_NET_CONNLIST_GROW(connlist) \ + if (connlist->number >= connlist->size) { \ + sigar_net_connection_list_grow(connlist); \ + } + +#define sigar_net_address_set(a, val) \ + (a).addr.in = val; \ + (a).family = SIGAR_AF_INET + +#define sigar_net_address6_set(a, val) \ + memcpy(&((a).addr.in6), val, sizeof((a).addr.in6)); \ + (a).family = SIGAR_AF_INET6 + +#define SIGAR_IFHWADDRLEN 6 + +#define sigar_net_address_mac_set(a, val, len) \ + memcpy(&((a).addr.mac), val, len); \ + (a).family = SIGAR_AF_LINK + +#define sigar_hwaddr_set_null(ifconfig) \ + SIGAR_ZERO(&ifconfig->hwaddr.addr.mac); \ + ifconfig->hwaddr.family = SIGAR_AF_LINK + +int sigar_net_interface_ipv6_config_get(sigar_t *sigar, const char *name, + sigar_net_interface_config_t *ifconfig); + +#define sigar_net_interface_ipv6_config_init(ifconfig) \ + ifconfig->address6.family = SIGAR_AF_INET6; \ + ifconfig->prefix6_length = 0; \ + ifconfig->scope6 = 0 + +#define SIGAR_SIN6(s) ((struct sockaddr_in6 *)(s)) + +#define SIGAR_SIN6_ADDR(s) &SIGAR_SIN6(s)->sin6_addr + +#define sigar_net_interface_scope6_set(ifconfig, addr) \ + if (IN6_IS_ADDR_LINKLOCAL(addr)) \ + ifconfig->scope6 = SIGAR_IPV6_ADDR_LINKLOCAL; \ + else if (IN6_IS_ADDR_SITELOCAL(addr)) \ + ifconfig->scope6 = SIGAR_IPV6_ADDR_SITELOCAL; \ + else if (IN6_IS_ADDR_V4COMPAT(addr)) \ + ifconfig->scope6 = SIGAR_IPV6_ADDR_COMPATv4; \ + else if (IN6_IS_ADDR_LOOPBACK(addr)) \ + ifconfig->scope6 = SIGAR_IPV6_ADDR_LOOPBACK; \ + else \ + ifconfig->scope6 = SIGAR_IPV6_ADDR_ANY + +int sigar_tcp_curr_estab(sigar_t *sigar, sigar_tcp_t *tcp); + +int sigar_arp_list_create(sigar_arp_list_t *arplist); + +int sigar_arp_list_grow(sigar_arp_list_t *arplist); + +#define SIGAR_ARP_LIST_GROW(arplist) \ + if (arplist->number >= arplist->size) { \ + sigar_arp_list_grow(arplist); \ + } + +int sigar_who_list_create(sigar_who_list_t *wholist); + +int sigar_who_list_grow(sigar_who_list_t *wholist); + +#define SIGAR_WHO_LIST_GROW(wholist) \ + if (wholist->number >= wholist->size) { \ + sigar_who_list_grow(wholist); \ + } + +int sigar_user_id_get(sigar_t *sigar, const char *name, int *uid); + +int sigar_user_name_get(sigar_t *sigar, int uid, char *buf, int buflen); + +int sigar_group_name_get(sigar_t *sigar, int gid, char *buf, int buflen); + +#define SIGAR_PROC_ENV_KEY_LOOKUP() \ + if ((procenv->type == SIGAR_PROC_ENV_KEY) && \ + (pid == sigar->pid)) \ + { \ + char *value = getenv(procenv->key); \ + if (value != NULL) { \ + procenv->env_getter(procenv->data, \ + procenv->key, \ + procenv->klen, \ + value, strlen(value)); \ + } \ + return SIGAR_OK; \ + } + +#define SIGAR_DISK_STATS_INIT(disk) \ + (disk)->reads = (disk)->writes = \ + (disk)->read_bytes = (disk)->write_bytes = \ + (disk)->rtime = (disk)->wtime = (disk)->qtime = (disk)->time = \ + (disk)->queue = (disk)->service_time = SIGAR_FIELD_NOTIMPL; \ + (disk)->snaptime = 0 + +/* key used for filesystem (/) -> device (/dev/hda1) mapping */ +/* and disk_usage cache for service_time */ +#define SIGAR_FSDEV_ID(sb) \ + (S_ISBLK((sb).st_mode) ? (sb).st_rdev : ((sb).st_ino + (sb).st_dev)) + +#if defined(WIN32) || defined(NETWARE) +int sigar_get_iftype(const char *name, int *type, int *inst); +#endif + +#define SIGAR_NIC_LOOPBACK "Local Loopback" +#define SIGAR_NIC_UNSPEC "UNSPEC" +#define SIGAR_NIC_SLIP "Serial Line IP" +#define SIGAR_NIC_CSLIP "VJ Serial Line IP" +#define SIGAR_NIC_SLIP6 "6-bit Serial Line IP" +#define SIGAR_NIC_CSLIP6 "VJ 6-bit Serial Line IP" +#define SIGAR_NIC_ADAPTIVE "Adaptive Serial Line IP" +#define SIGAR_NIC_ETHERNET "Ethernet" +#define SIGAR_NIC_ASH "Ash" +#define SIGAR_NIC_FDDI "Fiber Distributed Data Interface" +#define SIGAR_NIC_HIPPI "HIPPI" +#define SIGAR_NIC_AX25 "AMPR AX.25" +#define SIGAR_NIC_ROSE "AMPR ROSE" +#define SIGAR_NIC_NETROM "AMPR NET/ROM" +#define SIGAR_NIC_X25 "generic X.25" +#define SIGAR_NIC_TUNNEL "IPIP Tunnel" +#define SIGAR_NIC_PPP "Point-to-Point Protocol" +#define SIGAR_NIC_HDLC "(Cisco)-HDLC" +#define SIGAR_NIC_LAPB "LAPB" +#define SIGAR_NIC_ARCNET "ARCnet" +#define SIGAR_NIC_DLCI "Frame Relay DLCI" +#define SIGAR_NIC_FRAD "Frame Relay Access Device" +#define SIGAR_NIC_SIT "IPv6-in-IPv4" +#define SIGAR_NIC_IRDA "IrLAP" +#define SIGAR_NIC_EC "Econet" + +#ifndef WIN32 +#include +#endif + +#define SIGAR_HOSTENT_LEN 1024 +#if defined(_AIX) +#define SIGAR_HAS_HOSTENT_DATA +#endif + +typedef struct { + char buffer[SIGAR_HOSTENT_LEN]; + int error; +#ifndef WIN32 + struct hostent hs; +#endif +#ifdef SIGAR_HAS_HOSTENT_DATA + struct hostent_data hd; +#endif +} sigar_hostent_t; + +#endif diff --git a/vendor/sigar/include/sigar_ptql.h b/vendor/sigar/include/sigar_ptql.h new file mode 100644 index 0000000..53d28ec --- /dev/null +++ b/vendor/sigar/include/sigar_ptql.h @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2006-2007 Hyperic, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SIGAR_PTQL_H +#define SIGAR_PTQL_H + +#define SIGAR_PTQL_MALFORMED_QUERY -1 + +typedef struct sigar_ptql_query_t sigar_ptql_query_t; + +#define SIGAR_PTQL_ERRMSG_SIZE 1024 + +typedef struct { + char message[SIGAR_PTQL_ERRMSG_SIZE]; +} sigar_ptql_error_t; + +typedef int (*sigar_ptql_re_impl_t)(void *, char *, char *); + +SIGAR_DECLARE(void) sigar_ptql_re_impl_set(sigar_t *sigar, void *data, + sigar_ptql_re_impl_t impl); + +SIGAR_DECLARE(int) sigar_ptql_query_create(sigar_ptql_query_t **query, + char *ptql, + sigar_ptql_error_t *error); + +SIGAR_DECLARE(int) sigar_ptql_query_match(sigar_t *sigar, + sigar_ptql_query_t *query, + sigar_pid_t pid); + +SIGAR_DECLARE(int) sigar_ptql_query_destroy(sigar_ptql_query_t *query); + +SIGAR_DECLARE(int) sigar_ptql_query_find_process(sigar_t *sigar, + sigar_ptql_query_t *query, + sigar_pid_t *pid); + +SIGAR_DECLARE(int) sigar_ptql_query_find(sigar_t *sigar, + sigar_ptql_query_t *query, + sigar_proc_list_t *proclist); + +#endif /*SIGAR_PTQL_H*/ diff --git a/vendor/sigar/include/sigar_util.h b/vendor/sigar/include/sigar_util.h new file mode 100644 index 0000000..bc605fc --- /dev/null +++ b/vendor/sigar/include/sigar_util.h @@ -0,0 +1,191 @@ +/* + * Copyright (c) 2004-2008 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SIGAR_UTIL_H +#define SIGAR_UTIL_H + +/* most of this is crap for dealing with linux /proc */ +#define UITOA_BUFFER_SIZE \ + (sizeof(int) * 3 + 1) + +#define SSTRLEN(s) \ + (sizeof(s)-1) + +#define sigar_strtoul(ptr) \ + strtoul(ptr, &ptr, 10) + +#define sigar_strtoull(ptr) \ + strtoull(ptr, &ptr, 10) + +#define sigar_isspace(c) \ + (isspace(((unsigned char)(c)))) + +#define sigar_isdigit(c) \ + (isdigit(((unsigned char)(c)))) + +#define sigar_isalpha(c) \ + (isalpha(((unsigned char)(c)))) + +#define sigar_isupper(c) \ + (isupper(((unsigned char)(c)))) + +#define sigar_tolower(c) \ + (tolower(((unsigned char)(c)))) + +#ifdef WIN32 +#define sigar_fileno _fileno +#define sigar_isatty _isatty +#define sigar_write _write +#else +#define sigar_fileno fileno +#define sigar_isatty isatty +#define sigar_write write +#endif + +#ifndef PROC_FS_ROOT +#define PROC_FS_ROOT "/proc/" +#endif + +#ifndef PROCP_FS_ROOT +#define PROCP_FS_ROOT "/proc/" +#endif + +sigar_int64_t sigar_time_now_millis(void); + +char *sigar_uitoa(char *buf, unsigned int n, int *len); + +int sigar_inet_ntoa(sigar_t *sigar, + sigar_uint32_t address, + char *addr_str); + +struct hostent *sigar_gethostbyname(const char *name, + sigar_hostent_t *data); + +SIGAR_INLINE char *sigar_skip_line(char *buffer, int buflen); + +SIGAR_INLINE char *sigar_skip_token(char *p); + +SIGAR_INLINE char *sigar_skip_multiple_token(char *p, int count); + +char *sigar_getword(char **line, char stop); + +char *sigar_strcasestr(const char *s1, const char *s2); + +int sigar_file2str(const char *fname, char *buffer, int buflen); + +int sigar_proc_file2str(char *buffer, int buflen, + sigar_pid_t pid, + const char *fname, + int fname_len); + +#define SIGAR_PROC_FILE2STR(buffer, pid, fname) \ + sigar_proc_file2str(buffer, sizeof(buffer), \ + pid, fname, SSTRLEN(fname)) + +#define SIGAR_PROC_FILENAME(buffer, pid, fname) \ + sigar_proc_filename(buffer, sizeof(buffer), \ + pid, fname, SSTRLEN(fname)) + +#define SIGAR_SKIP_SPACE(ptr) \ + while (sigar_isspace(*ptr)) ++ptr + +char *sigar_proc_filename(char *buffer, int buflen, + sigar_pid_t pid, + const char *fname, int fname_len); + +int sigar_proc_list_procfs_get(sigar_t *sigar, + sigar_proc_list_t *proclist); + +int sigar_proc_fd_count(sigar_t *sigar, sigar_pid_t pid, + sigar_uint64_t *total); + +/* linux + freebsd */ +int sigar_procfs_args_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs); + +int sigar_mem_calc_ram(sigar_t *sigar, sigar_mem_t *mem); + +int sigar_statvfs(sigar_t *sigar, + const char *dirname, + sigar_file_system_usage_t *fsusage); + +double sigar_file_system_usage_calc_used(sigar_t *sigar, + sigar_file_system_usage_t *fs); + +#define SIGAR_DEV_PREFIX "/dev/" + +#define SIGAR_NAME_IS_DEV(dev) \ + strnEQ(dev, SIGAR_DEV_PREFIX, SSTRLEN(SIGAR_DEV_PREFIX)) + +typedef struct { + char name[256]; + int is_partition; + sigar_disk_usage_t disk; +} sigar_iodev_t; + +sigar_iodev_t *sigar_iodev_get(sigar_t *sigar, + const char *dirname); + +int sigar_cpu_core_count(sigar_t *sigar); + +/* e.g. VM guest may have 1 virtual ncpu on multicore hosts */ +#define sigar_cpu_socket_count(sigar) \ + (sigar->ncpu < sigar->lcpu) ? sigar->ncpu : \ + (sigar->ncpu / sigar->lcpu) + +int sigar_cpu_core_rollup(sigar_t *sigar); + +void sigar_cpu_model_adjust(sigar_t *sigar, sigar_cpu_info_t *info); + +int sigar_cpu_mhz_from_model(char *model); + +char *sigar_get_self_path(sigar_t *sigar); + +#if defined(__sun) || defined(__FreeBSD__) + +#define SIGAR_HAS_DLINFO_MODULES +#include +#include + +int sigar_dlinfo_modules(sigar_t *sigar, sigar_proc_modules_t *procmods); +#endif + +typedef struct sigar_cache_entry_t sigar_cache_entry_t; + +struct sigar_cache_entry_t { + sigar_cache_entry_t *next; + sigar_uint64_t id; + void *value; +}; + +typedef struct { + sigar_cache_entry_t **entries; + unsigned int count, size; + void (*free_value)(void *ptr); +} sigar_cache_t; + +sigar_cache_t *sigar_cache_new(int size); + +sigar_cache_entry_t *sigar_cache_get(sigar_cache_t *table, + sigar_uint64_t key); + +sigar_cache_entry_t *sigar_cache_find(sigar_cache_t *table, + sigar_uint64_t key); + +void sigar_cache_destroy(sigar_cache_t *table); + +#endif /* SIGAR_UTIL_H */ diff --git a/vendor/sigar/libsigar_debug.a b/vendor/sigar/libsigar_debug.a new file mode 100644 index 0000000..0195ac3 Binary files /dev/null and b/vendor/sigar/libsigar_debug.a differ diff --git a/vendor/sigar/src/os/aix/aix_sigar.c b/vendor/sigar/src/os/aix/aix_sigar.c new file mode 100644 index 0000000..a4c0a88 --- /dev/null +++ b/vendor/sigar/src/os/aix/aix_sigar.c @@ -0,0 +1,2151 @@ +/* + * Copyright (c) 2004-2009 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2009-2010 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* pull in time.h before resource.h does w/ _KERNEL */ +#include +#define _KERNEL 1 +#include /* for struct file */ +#include /* for rlimit32 in 64-bit mode */ +#undef _KERNEL + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_util.h" +#include "sigar_os.h" + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +/* for proc_port */ +#include +#include +#include +#include + +/* for net_connection_list */ +#include +#include +#include +#include + +/* for odm api */ +#include +#include +#include + +#include + +/* for net_interface_config ipv6 */ +#include +#include + +/* for getkerninfo */ +#include + +/* not defined in aix 4.3 */ +#ifndef SBITS +#define SBITS 16 +#endif + +#ifndef PTHRDSINFO_RUSAGE_START +#define PTHRDSINFO_RUSAGE_START 0x00000001 +#define PTHRDSINFO_RUSAGE_STOP 0x00000002 +#define PTHRDSINFO_RUSAGE_COLLECT 0x00000004 +#endif + +/* + * from libperfstat.h: + * "To calculate the load average, divide the numbers by (1<." + */ +#define FIXED_TO_DOUBLE(x) (((double)x) / (1<koffsets[i] = klist[i].n_value; + } + + return SIGAR_OK; +} + +static int kread(sigar_t *sigar, void *data, int size, long offset) +{ + if (sigar->kmem < 0) { + return SIGAR_EPERM_KMEM; + } + + if (lseek(sigar->kmem, offset, SEEK_SET) != offset) { + return errno; + } + + if (read(sigar->kmem, data, size) != size) { + return errno; + } + + return SIGAR_OK; +} + +static int sigar_thread_rusage(struct rusage *usage, int mode) +{ + return pthread_getrusage_np(pthread_self(), usage, mode); +} + +static int sigar_perfstat_memory(perfstat_memory_total_t *memory) +{ + return perfstat_memory_total(NULL, memory, sizeof(*memory), 1); +} + +static int sigar_perfstat_cpu(perfstat_cpu_total_t *cpu_total) +{ + return perfstat_cpu_total(NULL, cpu_total, sizeof(*cpu_total), 1); +} + +int sigar_os_open(sigar_t **sigar) +{ + int status, i; + int kmem = -1; + struct utsname name; + + kmem = open("/dev/kmem", O_RDONLY); + + *sigar = malloc(sizeof(**sigar)); + + (*sigar)->getprocfd = NULL; /*XXX*/ + (*sigar)->kmem = kmem; + (*sigar)->pagesize = 0; + (*sigar)->ticks = sysconf(_SC_CLK_TCK); + (*sigar)->boot_time = 0; + (*sigar)->last_pid = -1; + (*sigar)->pinfo = NULL; + (*sigar)->cpuinfo = NULL; + (*sigar)->cpuinfo_size = 0; + SIGAR_ZERO(&(*sigar)->swaps); + + i = getpagesize(); + while ((i >>= 1) > 0) { + (*sigar)->pagesize++; + } + + if (kmem > 0) { + if ((status = get_koffsets(*sigar)) != SIGAR_OK) { + /* libperfstat only mode (aix 6) */ + close((*sigar)->kmem); + (*sigar)->kmem = -1; + } + } + + (*sigar)->cpu_mhz = -1; + + (*sigar)->model[0] = '\0'; + + uname(&name); + + (*sigar)->aix_version = atoi(name.version); + + (*sigar)->thrusage = PTHRDSINFO_RUSAGE_STOP; + + (*sigar)->diskmap = NULL; + + return SIGAR_OK; +} + +static void swaps_free(swaps_t *swaps); + +int sigar_os_close(sigar_t *sigar) +{ + swaps_free(&sigar->swaps); + if (sigar->kmem > 0) { + close(sigar->kmem); + } + if (sigar->pinfo) { + free(sigar->pinfo); + } + if (sigar->cpuinfo) { + free(sigar->cpuinfo); + } + if (sigar->diskmap) { + sigar_cache_destroy(sigar->diskmap); + } + if (sigar->thrusage == PTHRDSINFO_RUSAGE_START) { + struct rusage usage; + sigar_thread_rusage(&usage, + PTHRDSINFO_RUSAGE_STOP); + } + free(sigar); + return SIGAR_OK; +} + +char *sigar_os_error_string(sigar_t *sigar, int err) +{ + switch (err) { + case SIGAR_EPERM_KMEM: + return "Failed to open /dev/kmem for reading"; + default: + return NULL; + } +} + +#define PAGESHIFT(v) \ + ((v) << sigar->pagesize) + +int sigar_mem_get(sigar_t *sigar, sigar_mem_t *mem) +{ + int status; + perfstat_memory_total_t minfo; + sigar_uint64_t kern; + + if (sigar_perfstat_memory(&minfo) == 1) { + mem->total = PAGESHIFT(minfo.real_total); + mem->free = PAGESHIFT(minfo.real_free); + kern = PAGESHIFT(minfo.numperm); /* number of pages in file cache */ + } + else { + return errno; + } + + mem->used = mem->total - mem->free; + mem->actual_used = mem->used - kern; + mem->actual_free = mem->free + kern; + + sigar_mem_calc_ram(sigar, mem); + + return SIGAR_OK; +} + +static void swaps_free(swaps_t *swaps) +{ + if (swaps->num) { + int i; + + for (i=0; inum; i++) { + free(swaps->devs[i]); + } + + free(swaps->devs); + + swaps->num = 0; + } +} + +/* + * there is no public api for parsing this file. + * well, there is something, but its super ugly and requires + * linking 2 static libraries (libodm and something else) + * maybe will switch to that if it can add value elsewhere too. + */ +#define SWAPSPACES "/etc/swapspaces" + +static int swaps_get(swaps_t *swaps) +{ + FILE *fp; + char buf[512]; + char *ptr; + struct stat statbuf; + + if (stat(SWAPSPACES, &statbuf) < 0) { + return errno; + } + + /* only re-parse if file has changed */ + if (swaps->mtime == statbuf.st_mtime) { + return 0; + } + + swaps->mtime = statbuf.st_mtime; + + /* easier to just start from scratch */ + swaps_free(swaps); + + if (!(fp = fopen(SWAPSPACES, "r"))) { + return errno; + } + + while ((ptr = fgets(buf, sizeof(buf), fp))) { + if (!isalpha(*ptr)) { + continue; + } + + if (strchr(ptr, ':')) { + int len; + + ptr = fgets(buf, sizeof(buf), fp); + + while (isspace(*ptr)) { + ++ptr; + } + + if (strncmp(ptr, "dev", 3)) { + continue; + } + ptr += 3; + while (isspace(*ptr) || (*ptr == '=')) { + ++ptr; + } + + len = strlen(ptr); + ptr[len-1] = '\0'; /* -1 == chomp \n */ + + swaps->devs = realloc(swaps->devs, swaps->num+1 * sizeof(char *)); + swaps->devs[swaps->num] = malloc(len); + memcpy(swaps->devs[swaps->num], ptr, len); + + swaps->num++; + } + } + + fclose(fp); + + return 0; +} + +/* + * documented in aix tech ref, + * but this prototype is not in any friggin header file. + * struct pginfo is in sys/vminfo.h + */ + +int swapqry(char *path, struct pginfo *info); + +static int sigar_swap_get_swapqry(sigar_t *sigar, sigar_swap_t *swap) +{ + int status, i; + + if ((status = swaps_get(&sigar->swaps)) != SIGAR_OK) { + return status; + } + + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[swap] pagesize=%d, shift=%d", + getpagesize(), sigar->pagesize); + } + + swap->total = swap->free = 0; + + for (i=0; iswaps.num; i++) { + struct pginfo info; + + status = swapqry(sigar->swaps.devs[i], &info); + + if (status != 0) { + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[swap] swapqry(%s) failed: %s", + sigar->swaps.devs[i], + sigar_strerror(sigar, errno)); + } + continue; + } + + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[swap] %s total=%d/%d, free=%d/%d", + sigar->swaps.devs[i], + info.size, PAGESHIFT(info.size), + info.free, PAGESHIFT(info.free)); + } + + swap->total += PAGESHIFT(info.size); /* lsps -a */ + swap->free += PAGESHIFT(info.free); + } + + swap->used = swap->total - swap->free; + + return SIGAR_OK; +} + +#define SWAP_DEV(ps) \ + ((ps.type == LV_PAGING) ? \ + ps.u.lv_paging.vgname : \ + ps.u.nfs_paging.filename) + +#define SWAP_MB_TO_BYTES(v) ((v) * (1024 * 1024)) + +int sigar_swap_get(sigar_t *sigar, sigar_swap_t *swap) +{ + perfstat_memory_total_t minfo; + perfstat_pagingspace_t ps; + perfstat_id_t id; + + id.name[0] = '\0'; + + SIGAR_ZERO(swap); + + do { + if (perfstat_pagingspace(&id, &ps, sizeof(ps), 1) != 1) { + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[swap] dev=%s query failed: %s", + SWAP_DEV(ps), + sigar_strerror(sigar, errno)); + } + continue; + } + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[swap] dev=%s: active=%s, " + "total=%lluMb, used=%lluMb", + SWAP_DEV(ps), + ((ps.active == 1) ? "yes" : "no"), + ps.mb_size, ps.mb_used); + } + if (ps.active != 1) { + continue; + } + /* convert MB sizes to bytes */ + swap->total += SWAP_MB_TO_BYTES(ps.mb_size); + swap->used += SWAP_MB_TO_BYTES(ps.mb_used); + } while (id.name[0] != '\0'); + + swap->free = swap->total - swap->used; + + if (sigar_perfstat_memory(&minfo) == 1) { + swap->page_in = minfo.pgins; + swap->page_out = minfo.pgouts; + } + else { + swap->page_in = swap->page_out = -1; + } + return SIGAR_OK; +} + +int sigar_cpu_get(sigar_t *sigar, sigar_cpu_t *cpu) +{ + int i, status; + struct sysinfo data; + perfstat_cpu_total_t cpu_data; + + if (sigar_perfstat_cpu(&cpu_data) == 1) { + cpu->user = SIGAR_TICK2MSEC(cpu_data.user); + cpu->nice = SIGAR_FIELD_NOTIMPL; /* N/A */ + cpu->sys = SIGAR_TICK2MSEC(cpu_data.sys); + cpu->idle = SIGAR_TICK2MSEC(cpu_data.idle); + cpu->wait = SIGAR_TICK2MSEC(cpu_data.wait); + cpu->irq = 0; /*N/A*/ + cpu->soft_irq = 0; /*N/A*/ + cpu->stolen = 0; /*N/A*/ + cpu->total = cpu->user + cpu->sys + cpu->idle + cpu->wait; + return SIGAR_OK; + } + else { + return errno; + } +} + +/* + * other possible metrics we could add: + * struct cpuinfo { + * long cpu[CPU_NTIMES]; + * long pswitch; + * long syscall; + * long sysread; + * long syswrite; + * long sysfork; + * long sysexec; + * long readch; + * long writech; + * long iget; + * long namei; + * long dirblk; + * long msg; + * long sema; + * long bread; + * long bwrite; + * long lread; + * long lwrite; + * long phread; + * long phwrite; + * }; + */ + +int sigar_cpu_list_get(sigar_t *sigar, sigar_cpu_list_t *cpulist) +{ + perfstat_cpu_t data; + int i, ncpu = _system_configuration.ncpus; /* this can change */ + perfstat_id_t id; + + id.name[0] = '\0'; + + sigar_cpu_list_create(cpulist); + + for (i=0; idata[cpulist->number++]; + + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "cpu%d perfstat_id='%s'", + i, id.name); + } + + if (perfstat_cpu(&id, &data, sizeof(data), 1) == 1) { + cpu->user = SIGAR_TICK2MSEC(data.user); + cpu->nice = SIGAR_FIELD_NOTIMPL; /* N/A */ + cpu->sys = SIGAR_TICK2MSEC(data.sys); + cpu->idle = SIGAR_TICK2MSEC(data.idle); + cpu->wait = SIGAR_TICK2MSEC(data.wait); + cpu->irq = 0; /*N/A*/ + cpu->soft_irq = 0; /*N/A*/ + cpu->stolen = 0; /*N/A*/ + cpu->total = cpu->user + cpu->sys + cpu->idle + cpu->wait; + } + else { + sigar_log_printf(sigar, SIGAR_LOG_ERROR, + "cpu%d perfstat_cpu(%s) failed: %s", + i, id.name, sigar_strerror(sigar, errno)); + SIGAR_ZERO(cpu); + } + } + + return SIGAR_OK; +} + +static int boot_time(sigar_t *sigar, time_t *time) +{ + int fd; + struct utmp data; + + if ((fd = open(UTMP_FILE, O_RDONLY)) < 0) { + return errno; + } + + do { + if (read(fd, &data, sizeof(data)) != sizeof(data)) { + int status = errno; + close(fd); + return status; + } + } while (data.ut_type != BOOT_TIME); + + *time = data.ut_time; + + close(fd); + + return SIGAR_OK; +} + +int sigar_uptime_get(sigar_t *sigar, + sigar_uptime_t *uptime) +{ + if (sigar->boot_time == 0) { + int status; + time_t time; + + if ((status = boot_time(sigar, &time)) != SIGAR_OK) { + return status; + } + + sigar->boot_time = time; + } + + uptime->uptime = time(NULL) - sigar->boot_time; + + return SIGAR_OK; +} + +#define WHOCPY(dest, src) \ + SIGAR_SSTRCPY(dest, src); \ + if (sizeof(src) < sizeof(dest)) \ + dest[sizeof(dest)-1] = '\0' + +static int sigar_who_utmp(sigar_t *sigar, + sigar_who_list_t *wholist) +{ + struct utmp ut; + FILE *fp; + + if (!(fp = fopen(UTMP_FILE, "r"))) { + return errno; + } + + while (fread(&ut, sizeof(ut), 1, fp) == 1) { + sigar_who_t *who; + + if (*ut.ut_name == '\0') { + continue; + } + + if (ut.ut_type != USER_PROCESS) { + continue; + } + + SIGAR_WHO_LIST_GROW(wholist); + who = &wholist->data[wholist->number++]; + + WHOCPY(who->user, ut.ut_user); + WHOCPY(who->device, ut.ut_line); + WHOCPY(who->host, ut.ut_host); + + who->time = ut.ut_time; + } + + fclose(fp); + + return SIGAR_OK; +} + +int sigar_who_list_get(sigar_t *sigar, + sigar_who_list_t *wholist) +{ + int status; + + sigar_who_list_create(wholist); + + status = sigar_who_utmp(sigar, wholist); + if (status != SIGAR_OK) { + sigar_who_list_destroy(sigar, wholist); + return status; + } + + return SIGAR_OK; +} + +int sigar_loadavg_get(sigar_t *sigar, + sigar_loadavg_t *loadavg) +{ + int status, i; + int data[3]; + perfstat_cpu_total_t cpu_data; + + if (sigar_perfstat_cpu(&cpu_data) == 1) { + for (i=0; i<3; i++) { + loadavg->loadavg[i] = FIXED_TO_DOUBLE(cpu_data.loadavg[i]); + } + return SIGAR_OK; + } + else { + return errno; + } +} + +int sigar_os_proc_list_get(sigar_t *sigar, + sigar_proc_list_t *proclist) +{ + pid_t pid = 0; + struct procsinfo info; + + for (;;) { + int num = getprocs(&info, sizeof(info), + NULL, 0, &pid, 1); + + if (num == 0) { + break; + } + + SIGAR_PROC_LIST_GROW(proclist); + + proclist->data[proclist->number++] = info.pi_pid; + } + + return SIGAR_OK; +} + +static int sigar_getprocs(sigar_t *sigar, sigar_pid_t pid) +{ + int status, num; + time_t timenow = time(NULL); + + if (sigar->pinfo == NULL) { + sigar->pinfo = malloc(sizeof(*sigar->pinfo)); + } + + if (sigar->last_pid == pid) { + if ((timenow - sigar->last_getprocs) < SIGAR_LAST_PROC_EXPIRE) { + return SIGAR_OK; + } + } + + sigar->last_pid = pid; + sigar->last_getprocs = timenow; + + num = getprocs(sigar->pinfo, sizeof(*sigar->pinfo), + NULL, 0, &pid, 1); + + if (num != 1) { + return ESRCH; + } + + return SIGAR_OK; +} + +int sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_mem_t *procmem) +{ + int status = sigar_getprocs(sigar, pid); + struct procsinfo64 *pinfo = sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + + procmem->size = PAGESHIFT(pinfo->pi_size); /* XXX fold in pi_dvm ? */ + procmem->share = PAGESHIFT(pinfo->pi_sdsize); + procmem->resident = PAGESHIFT(pinfo->pi_drss + pinfo->pi_trss); + + procmem->minor_faults = pinfo->pi_minflt; + procmem->major_faults = pinfo->pi_majflt; + procmem->page_faults = + procmem->minor_faults + + procmem->major_faults; + + return SIGAR_OK; +} + +int sigar_proc_cred_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_cred_t *proccred) +{ + int status = sigar_getprocs(sigar, pid); + struct procsinfo64 *pinfo = sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + + proccred->uid = pinfo->pi_cred.cr_ruid; + proccred->euid = pinfo->pi_cred.cr_uid; + if (proccred->uid == -1) { + /* + * aix 5.2 has a process named 'jfsz' + * where uid is '-1', getpwuid returns EPERM + */ + proccred->uid = proccred->euid = 0; + } + proccred->gid = pinfo->pi_cred.cr_rgid; + proccred->egid = pinfo->pi_cred.cr_gid; + + return SIGAR_OK; +} + +int sigar_proc_time_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_time_t *proctime) +{ + int status = sigar_getprocs(sigar, pid); + struct procsinfo64 *pinfo = sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + + proctime->start_time = pinfo->pi_start; + proctime->start_time *= SIGAR_MSEC; /* convert to ms */ + proctime->user = pinfo->pi_utime * SIGAR_MSEC; + proctime->sys = pinfo->pi_stime * SIGAR_MSEC; + proctime->total = proctime->user + proctime->sys; + + return SIGAR_OK; +} + +int sigar_proc_state_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_state_t *procstate) +{ + int status = sigar_getprocs(sigar, pid); + struct procsinfo64 *pinfo = sigar->pinfo; + tid_t tid = 0; + struct thrdsinfo64 thrinfo; + + if (status != SIGAR_OK) { + return status; + } + + if (getthrds(pid, &thrinfo, sizeof(thrinfo), &tid, 1) == 1) { + procstate->processor = thrinfo.ti_affinity; + } + else { + procstate->processor = SIGAR_FIELD_NOTIMPL; + } + + SIGAR_SSTRCPY(procstate->name, pinfo->pi_comm); + procstate->ppid = pinfo->pi_ppid; + procstate->nice = pinfo->pi_nice; + procstate->tty = pinfo->pi_ttyd; + procstate->priority = pinfo->pi_pri; + procstate->threads = pinfo->pi_thcount; + + switch (pinfo->pi_state) { + case SACTIVE: + procstate->state = 'R'; + break; + case SIDL: + procstate->state = 'D'; + break; + case SSTOP: + procstate->state = 'S'; + break; + case SZOMB: + procstate->state = 'Z'; + break; + case SSWAP: + procstate->state = 'S'; + break; + } + + return SIGAR_OK; +} + +int sigar_os_proc_args_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs) +{ + /* XXX if buffer is not large enough args are truncated */ + char buffer[8192], *ptr; + struct procsinfo pinfo; + + pinfo.pi_pid = pid; + + if (getargs(&pinfo, sizeof(pinfo), + buffer, sizeof(buffer)) != 0) + { + return errno; + } + + ptr = buffer; + + while (*ptr) { + int alen = strlen(ptr)+1; + char *arg = malloc(alen); + + SIGAR_PROC_ARGS_GROW(procargs); + memcpy(arg, ptr, alen); + + procargs->data[procargs->number++] = arg; + + ptr += alen; + } + + return SIGAR_OK; +} + +int sigar_proc_env_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_env_t *procenv) +{ + /* XXX if buffer is not large enough args are truncated */ + char buffer[8192], *ptr; + struct procsinfo pinfo; + + pinfo.pi_pid = pid; + + if (getevars(&pinfo, sizeof(pinfo), + buffer, sizeof(buffer)) != 0) + { + return errno; + } + + ptr = buffer; + + while (*ptr) { + char *val = strchr(ptr, '='); + int klen, vlen, status; + char key[128]; /* XXX is there a max key size? */ + + if (val == NULL) { + /* not key=val format */ + procenv->env_getter(procenv->data, ptr, strlen(ptr), NULL, 0); + break; + } + + klen = val - ptr; + SIGAR_SSTRCPY(key, ptr); + key[klen] = '\0'; + ++val; + + vlen = strlen(val); + status = procenv->env_getter(procenv->data, + key, klen, val, vlen); + + if (status != SIGAR_OK) { + /* not an error; just stop iterating */ + break; + } + + ptr += (klen + 1 + vlen + 1); + } + + return SIGAR_OK; +} + +int sigar_proc_fd_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_fd_t *procfd) +{ +#ifdef SIGAR_64BIT + /* XXX no getuser() in 64-bit mode */ + return SIGAR_ENOTIMPL; +#else + int i; + struct procsinfo pinfo; + struct user uinfo; + + procfd->total = 0; + pinfo.pi_pid = pid; + + if (getuser(&pinfo, sizeof(pinfo), + &uinfo, sizeof(uinfo)) != 0) { + if (errno == EINVAL) { + return SIGAR_ENOTIMPL; /*XXX 5.2+*/ + } + } + + /* see sys/user.h */ + for (i=0; itotal++; + } + } + + return SIGAR_OK; +#endif +} + +int sigar_proc_exe_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_exe_t *procexe) +{ + int len; + char buffer[8192]; + struct procsinfo pinfo; + + pinfo.pi_pid = pid; + + if (getargs(&pinfo, sizeof(pinfo), + buffer, sizeof(buffer)) != 0) + { + return errno; + } + /* XXX argv[0] might be relative */ + len = strlen(buffer); + SIGAR_SSTRCPY(procexe->name, buffer); + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/cwd"); + + if ((len = readlink(buffer, procexe->cwd, + sizeof(procexe->cwd)-1)) < 0) + { + return errno; + } + procexe->cwd[len] = '\0'; + + procexe->root[0] = '\0'; + + return SIGAR_OK; +} + +static int sigar_proc_modules_local_get(sigar_t *sigar, + sigar_proc_modules_t *procmods) +{ + struct ld_info *info; + char *buffer; + int size = 2048, status; + unsigned int offset; + + buffer = malloc(size); + while ((loadquery(L_GETINFO, buffer, size) == -1) && + (errno == ENOMEM)) + { + size += 2048; + buffer = realloc(buffer, size); + } + + info = (struct ld_info *)buffer; + + do { + char *name = info->ldinfo_filename; + + status = + procmods->module_getter(procmods->data, name, strlen(name)); + + if (status != SIGAR_OK) { + /* not an error; just stop iterating */ + free(buffer); + return status; + } + + offset = info->ldinfo_next; + info = (struct ld_info *)((char*)info + offset); + } while(offset); + + free(buffer); + + return SIGAR_OK; +} + +int sigar_proc_modules_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_modules_t *procmods) +{ + if (pid == sigar_pid_get(sigar)) { + return sigar_proc_modules_local_get(sigar, procmods); + } + else { + return SIGAR_ENOTIMPL; + } +} + +#define SIGAR_MICROSEC2NANO(s) \ + ((sigar_uint64_t)(s) * (sigar_uint64_t)1000) + +#define TIME_NSEC(t) \ + (SIGAR_SEC2NANO((t).tv_sec) + SIGAR_MICROSEC2NANO((t).tv_usec)) + +int sigar_thread_cpu_get(sigar_t *sigar, + sigar_uint64_t id, + sigar_thread_cpu_t *cpu) +{ + struct rusage usage; + int retval; + + if (sigar->thrusage != PTHRDSINFO_RUSAGE_START) { + sigar->thrusage = PTHRDSINFO_RUSAGE_START; + retval = + sigar_thread_rusage(&usage, + PTHRDSINFO_RUSAGE_START); + if (retval != 0) { + return retval; + } + } + + retval = + sigar_thread_rusage(&usage, + PTHRDSINFO_RUSAGE_COLLECT); + if (retval != 0) { + return retval; + } + + cpu->user = TIME_NSEC(usage.ru_utime); + cpu->sys = TIME_NSEC(usage.ru_stime); + cpu->total = TIME_NSEC(usage.ru_utime) + TIME_NSEC(usage.ru_stime); + + return SIGAR_OK; +} + +int sigar_os_fs_type_get(sigar_file_system_t *fsp) +{ + return fsp->type; +} + +#ifndef MNT_NFS4 +/* another one documented in aix tech ref + * with no friggin prototype in any header file... + * ...but added in 5.2 + */ +int mntctl(int command, int size, char *buffer); +#endif + +int sigar_file_system_list_get(sigar_t *sigar, + sigar_file_system_list_t *fslist) +{ + int i, size, num; + char *buf, *mntlist; + + /* get required size */ + if (mntctl(MCTL_QUERY, sizeof(size), (char *)&size) < 0) { + return errno; + } + + mntlist = buf = malloc(size); + + if ((num = mntctl(MCTL_QUERY, size, buf)) < 0) { + free(buf); + return errno; + } + + sigar_file_system_list_create(fslist); + + for (i=0; ivmt_length; + + SIGAR_FILE_SYSTEM_LIST_GROW(fslist); + + fsp = &fslist->data[fslist->number++]; + + switch (ent->vmt_gfstype) { + case MNT_AIX: + typename = "aix"; + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + break; + case MNT_JFS: + typename = "jfs"; + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + break; + case MNT_NFS: + case MNT_NFS3: + typename = "nfs"; + fsp->type = SIGAR_FSTYPE_NETWORK; + break; + case MNT_CDROM: + fsp->type = SIGAR_FSTYPE_CDROM; + break; + case MNT_SFS: + case MNT_CACHEFS: + case MNT_AUTOFS: + default: + if (ent->vmt_flags & MNT_REMOTE) { + fsp->type = SIGAR_FSTYPE_NETWORK; + } + else { + fsp->type = SIGAR_FSTYPE_NONE; + } + } + + SIGAR_SSTRCPY(fsp->dir_name, vmt2dataptr(ent, VMT_STUB)); + SIGAR_SSTRCPY(fsp->options, vmt2dataptr(ent, VMT_ARGS)); + + devname = vmt2dataptr(ent, VMT_OBJECT); + + if (fsp->type == SIGAR_FSTYPE_NETWORK) { + char *hostname = vmt2dataptr(ent, VMT_HOSTNAME); +#if 0 + /* XXX: these do not seem reliable */ + int hostname_len = vmt2datasize(ent, VMT_HOSTNAME)-1; /* -1 == skip '\0' */ + int devname_len = vmt2datasize(ent, VMT_OBJECT); /* includes '\0' */ +#else + int hostname_len = strlen(hostname); + int devname_len = strlen(devname) + 1; +#endif + int total_len = hostname_len + devname_len + 1; /* 1 == strlen(":") */ + + if (total_len > sizeof(fsp->dev_name)) { + /* justincase - prevent overflow. chances: slim..none */ + SIGAR_SSTRCPY(fsp->dev_name, devname); + } + else { + /* sprintf(fsp->devname, "%s:%s", hostname, devname) */ + char *ptr = fsp->dev_name; + + memcpy(ptr, hostname, hostname_len); + ptr += hostname_len; + + *ptr++ = ':'; + + memcpy(ptr, devname, devname_len); + } + } + else { + SIGAR_SSTRCPY(fsp->dev_name, devname); + } + + /* we set fsp->type, just looking up sigar.c:fstype_names[type] */ + sigar_fs_type_get(fsp); + + if (typename == NULL) { + typename = fsp->type_name; + } + + SIGAR_SSTRCPY(fsp->sys_type_name, typename); + } + + free(buf); + + return SIGAR_OK; +} + +typedef struct { + char name[IDENTIFIER_LENGTH]; + long addr; +} aix_diskio_t; + +static int create_diskmap(sigar_t *sigar) +{ + int i, total, num; + perfstat_disk_t *disk; + perfstat_id_t id; + + total = perfstat_disk(NULL, NULL, sizeof(*disk), 0); + if (total < 1) { + return ENOENT; + } + + disk = malloc(total * sizeof(*disk)); + id.name[0] = '\0'; + + num = perfstat_disk(&id, disk, sizeof(*disk), total); + if (num < 1) { + free(disk); + return ENOENT; + } + + sigar->diskmap = sigar_cache_new(25); + + odm_initialize(); + + for (i=0; iname, "label", 0, &num))) { + retval = stat(attr->value, &sb); + + if (retval == 0) { + aix_diskio_t *diskio = malloc(sizeof(*diskio)); + SIGAR_SSTRCPY(diskio->name, disk[i].name); + diskio->addr = -1; + ent = sigar_cache_get(sigar->diskmap, SIGAR_FSDEV_ID(sb)); + ent->value = diskio; + } + + free(attr); + } + } + + odm_free_list(dv, &info); + } + + free(disk); + odm_terminate(); + + return SIGAR_OK; +} + +int sigar_disk_usage_get(sigar_t *sigar, const char *name, + sigar_disk_usage_t *usage) +{ + perfstat_disk_t disk; + perfstat_id_t id; + + SIGAR_SSTRCPY(id.name, name); + + if (perfstat_disk(&id, &disk, sizeof(disk), 1) != 1) { + return ENXIO; + } + + usage->reads = disk.rblks; + usage->writes = disk.wblks; + usage->read_bytes = disk.rblks * disk.bsize; + usage->write_bytes = disk.wblks * disk.bsize; + usage->queue = disk.qdepth; + usage->time = disk.time; + usage->rtime = SIGAR_FIELD_NOTIMPL; + usage->wtime = SIGAR_FIELD_NOTIMPL; + + return SIGAR_OK; +} + +int sigar_file_system_usage_get(sigar_t *sigar, + const char *dirname, + sigar_file_system_usage_t *fsusage) +{ + sigar_cache_entry_t *ent; + struct stat sb; + int status; + + status = sigar_statvfs(sigar, dirname, fsusage); + + if (status != SIGAR_OK) { + return status; + } + + fsusage->use_percent = sigar_file_system_usage_calc_used(sigar, fsusage); + + SIGAR_DISK_STATS_INIT(&fsusage->disk); + + if (!sigar->diskmap) { + status = create_diskmap(sigar); + if (status != SIGAR_OK) { + return SIGAR_OK; + } + } + + status = stat(dirname, &sb); + if (status == 0) { + sigar_cache_entry_t *ent = + sigar_cache_get(sigar->diskmap, SIGAR_FSDEV_ID(sb)); + if (!ent->value) { + return SIGAR_OK; + } + sigar_disk_usage_get(sigar, ((aix_diskio_t *)ent->value)->name, &fsusage->disk); + } + + return SIGAR_OK; +} + +/* from sys/systemcfg.h, not defined in 4.3 headers */ +#ifndef POWER_4 +#define POWER_4 0x0800 +#endif +#ifndef POWER_MPC7450 +#define POWER_MPC7450 0x1000 +#endif +#ifndef POWER_5 +#define POWER_5 0x2000 +#endif + +static char *sigar_get_odm_model(sigar_t *sigar) +{ + if (sigar->model[0] == '\0') { + struct CuAt *odm_obj; + int num; + + odm_initialize(); + + if ((odm_obj = getattr("proc0", "type", 0, &num))) { + SIGAR_SSTRCPY(sigar->model, odm_obj->value); + free(odm_obj); + } + + odm_terminate(); + } + + return sigar->model; +} + +#define SIGAR_CPU_CACHE_SIZE \ + (_system_configuration.L2_cache_size / 1024) + +static int sigar_get_cpu_mhz(sigar_t *sigar) +{ + if (sigar->cpu_mhz == SIGAR_FIELD_NOTIMPL) { + perfstat_cpu_total_t data; + + if (sigar_perfstat_cpu(&data) == 1) { + sigar->cpu_mhz = data.processorHZ / 1000000; + } + else { + sigar_log_printf(sigar, SIGAR_LOG_ERROR, + "perfstat_cpu_total failed: %s", + sigar_strerror(sigar, errno)); + } + } + + return sigar->cpu_mhz; +} + +static char *get_cpu_arch(void) +{ + switch (_system_configuration.architecture) { + case POWER_RS: + return "Power Classic"; + case POWER_PC: + return "PowerPC"; + case IA64: + return "IA64"; + default: + return "PowerPC"; /* what else could it be */ + } +} + +static char *get_ppc_cpu_model(void) +{ + switch (_system_configuration.implementation) { + case POWER_RS1: + return "RS1"; + case POWER_RSC: + return "RSC"; + case POWER_RS2: + return "RS2"; + case POWER_601: + return "601"; + case POWER_603: + return "603"; + case POWER_604: + return "604"; + case POWER_620: + return "620"; + case POWER_630: + return "630"; + case POWER_A35: + return "A35"; + case POWER_RS64II: + return "RS64-II"; + case POWER_RS64III: + return "RS64-III"; + case POWER_4: + return "POWER4"; + case POWER_MPC7450: + return "MPC7450"; + case POWER_5: + return "POWER5"; + default: + return "Unknown"; + } +} + +static char *get_ia64_cpu_model(void) +{ + switch (_system_configuration.implementation) { + case IA64_M1: + return "M1"; + case IA64_M2: + return "M2"; + default: + return "Unknown"; + } +} + +static char *get_cpu_model(void) +{ + if (_system_configuration.architecture == IA64) { + return get_ia64_cpu_model(); + } + else { + return get_ppc_cpu_model(); + } +} + +int sigar_cpu_info_list_get(sigar_t *sigar, + sigar_cpu_info_list_t *cpu_infos) +{ + int i; + int ncpu = _system_configuration.ncpus; /* this can change */ + char *arch = get_cpu_arch(), *model = get_cpu_model(); + + /*XXX should only do this once*/ + sigar_cpu_info_list_create(cpu_infos); + + for (i=0; idata[cpu_infos->number++]; + + info->total_cores = ncpu; + info->cores_per_socket = 1; /*XXX*/ + info->total_sockets = ncpu; /*XXX*/ + + info->cache_size = SIGAR_CPU_CACHE_SIZE; + + info->mhz = sigar_get_cpu_mhz(sigar); + + if (*arch == 'P') { + SIGAR_SSTRCPY(info->vendor, "IBM"); + } + else if (*arch == 'I') { + SIGAR_SSTRCPY(info->vendor, "Intel"); + } + else { + SIGAR_SSTRCPY(info->vendor, "Unknown"); + } + + snprintf(info->model, sizeof(info->model), + "%s %s", arch, model); + } + + return SIGAR_OK; +} +/* XXX net_route_list copy-n-pasted from darwin_sigar.c; only diff is getkerninfo instead of sysctl */ +#define rt_s_addr(sa) ((struct sockaddr_in *)(sa))->sin_addr.s_addr + +#ifndef SA_SIZE +#define SA_SIZE(sa) \ + ( (!(sa) || ((struct sockaddr *)(sa))->sa_len == 0) ? \ + sizeof(long) : \ + 1 + ( (((struct sockaddr *)(sa))->sa_len - 1) | (sizeof(long) - 1) ) ) +#endif + +int sigar_net_route_list_get(sigar_t *sigar, + sigar_net_route_list_t *routelist) +{ + int needed; + int bit; + char *buf, *next, *lim; + struct rt_msghdr *rtm; + + needed = getkerninfo(KINFO_RT_DUMP, NULL, NULL, 0); + if (needed <= 0) { + return errno; + } + + buf = malloc(needed); + + if (getkerninfo(KINFO_RT_DUMP, buf, &needed, 0) < 0) { + return errno; + } + + sigar_net_route_list_create(routelist); + + lim = buf + needed; + + for (next = buf; next < lim; next += rtm->rtm_msglen) { + struct sockaddr *sa; + sigar_net_route_t *route; + rtm = (struct rt_msghdr *)next; + + if (rtm->rtm_type != RTM_GET) { + continue; + } + + sa = (struct sockaddr *)(rtm + 1); + + if (sa->sa_family != AF_INET) { + continue; + } + + SIGAR_NET_ROUTE_LIST_GROW(routelist); + route = &routelist->data[routelist->number++]; + SIGAR_ZERO(route); + + route->flags = rtm->rtm_flags; + if_indextoname(rtm->rtm_index, route->ifname); + + for (bit=RTA_DST; + bit && ((char *)sa < lim); + bit <<= 1) + { + if ((rtm->rtm_addrs & bit) == 0) { + continue; + } + switch (bit) { + case RTA_DST: + sigar_net_address_set(route->destination, + rt_s_addr(sa)); + break; + case RTA_GATEWAY: + if (sa->sa_family == AF_INET) { + sigar_net_address_set(route->gateway, + rt_s_addr(sa)); + } + break; + case RTA_NETMASK: + sigar_net_address_set(route->mask, + rt_s_addr(sa)); + break; + case RTA_IFA: + break; + } + + sa = (struct sockaddr *)((char *)sa + SA_SIZE(sa)); + } + } + + free(buf); + + return SIGAR_OK; +} + +int sigar_net_interface_stat_get(sigar_t *sigar, + const char *name, + sigar_net_interface_stat_t *ifstat) +{ + perfstat_id_t id; + perfstat_netinterface_t data; + + sigar_log(sigar, SIGAR_LOG_DEBUG, "[ifstat] using libperfstat"); + + SIGAR_SSTRCPY(id.name, name); + + if (perfstat_netinterface(&id, &data, sizeof(data), 1) == 1) { + ifstat->rx_bytes = data.ibytes; + ifstat->rx_packets = data.ipackets; + ifstat->rx_errors = data.ierrors; + ifstat->rx_dropped = SIGAR_FIELD_NOTIMPL; + ifstat->rx_overruns = SIGAR_FIELD_NOTIMPL; + ifstat->rx_frame = SIGAR_FIELD_NOTIMPL; + + ifstat->tx_bytes = data.obytes; + ifstat->tx_packets = data.opackets; + ifstat->tx_errors = data.oerrors; + ifstat->tx_dropped = SIGAR_FIELD_NOTIMPL; + ifstat->tx_overruns = SIGAR_FIELD_NOTIMPL; + ifstat->tx_collisions = data.collisions; + ifstat->tx_carrier = SIGAR_FIELD_NOTIMPL; + + ifstat->speed = data.bitrate; + + return SIGAR_OK; + } + else { + return errno; + } +} + +int sigar_net_interface_ipv6_config_get(sigar_t *sigar, const char *name, + sigar_net_interface_config_t *ifconfig) +{ + int sock; + struct in6_ifreq ifr; + + if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { + return errno; + } + + SIGAR_SSTRCPY(ifr.ifr_name, name); + + if (ioctl(sock, SIOCGIFADDR6, &ifr) == 0) { + struct in6_addr *addr = SIGAR_SIN6_ADDR(&ifr.ifr_Addr); + + sigar_net_address6_set(ifconfig->address6, addr); + sigar_net_interface_scope6_set(ifconfig, addr); + + if (ioctl(sock, SIOCGIFNETMASK6, &ifr) == 0) { + addr = SIGAR_SIN6_ADDR(&ifr.ifr_Addr); + ifconfig->prefix6_length = SIGAR_SIN6(&ifr.ifr_Addr)->sin6_len; /*XXX*/ + } + } + + close(sock); + return SIGAR_OK; +} + +#define IS_TCP_SERVER(state, flags) \ + ((flags & SIGAR_NETCONN_SERVER) && (state == TCPS_LISTEN)) + +#define IS_TCP_CLIENT(state, flags) \ + ((flags & SIGAR_NETCONN_CLIENT) && (state != TCPS_LISTEN)) + +static int net_conn_get_tcp(sigar_net_connection_walker_t *walker) +{ + sigar_t *sigar = walker->sigar; + int flags = walker->flags; + int status; + struct inpcb tcp_inpcb; + struct tcpcb tcpcb; + struct inpcb *entry; + + status = kread(sigar, &tcp_inpcb, sizeof(tcp_inpcb), + sigar->koffsets[KOFFSET_TCB]); + + if (status != SIGAR_OK) { + return status; + } + + entry = tcp_inpcb.inp_next; + while (entry) { + struct inpcb pcb; + int state; + + status = kread(sigar, &pcb, sizeof(pcb), (long)entry); + if (status != SIGAR_OK) { + return status; + } + status = kread(sigar, &tcpcb, sizeof(tcpcb), (long)pcb.inp_ppcb); + if (status != SIGAR_OK) { + return status; + } + + state = tcpcb.t_state; + if ((IS_TCP_SERVER(state, flags) || + IS_TCP_CLIENT(state, flags))) + { + sigar_net_connection_t conn; + + SIGAR_ZERO(&conn); + + conn.type = SIGAR_NETCONN_TCP; + + sigar_net_address_set(conn.local_address, + pcb.inp_laddr.s_addr); + + sigar_net_address_set(conn.remote_address, + pcb.inp_faddr.s_addr); + + conn.local_port = ntohs(pcb.inp_lport); + conn.remote_port = ntohs(pcb.inp_fport); + + conn.send_queue = conn.receive_queue = SIGAR_FIELD_NOTIMPL; + + switch (state) { + case TCPS_CLOSED: + conn.state = SIGAR_TCP_CLOSE; + break; + case TCPS_LISTEN: + conn.state = SIGAR_TCP_LISTEN; + break; + case TCPS_SYN_SENT: + conn.state = SIGAR_TCP_SYN_SENT; + break; + case TCPS_SYN_RECEIVED: + conn.state = SIGAR_TCP_SYN_RECV; + break; + case TCPS_ESTABLISHED: + conn.state = SIGAR_TCP_ESTABLISHED; + break; + case TCPS_CLOSE_WAIT: + conn.state = SIGAR_TCP_CLOSE_WAIT; + break; + case TCPS_FIN_WAIT_1: + conn.state = SIGAR_TCP_FIN_WAIT1; + break; + case TCPS_CLOSING: + conn.state = SIGAR_TCP_CLOSING; + break; + case TCPS_LAST_ACK: + conn.state = SIGAR_TCP_LAST_ACK; + break; + case TCPS_FIN_WAIT_2: + conn.state = SIGAR_TCP_FIN_WAIT2; + break; + case TCPS_TIME_WAIT: + conn.state = SIGAR_TCP_TIME_WAIT; + break; + default: + conn.state = SIGAR_TCP_UNKNOWN; + break; + } + + if (walker->add_connection(walker, &conn) != SIGAR_OK) { + break; + } + } + + entry = pcb.inp_next; + if (entry == tcp_inpcb.inp_next) { + break; + } + } + + return SIGAR_OK; +} + +int sigar_net_connection_walk(sigar_net_connection_walker_t *walker) +{ + int status; + + if (walker->flags & SIGAR_NETCONN_TCP) { + status = net_conn_get_tcp(walker); + + if (status != SIGAR_OK) { + return status; + } + } +#if 0 + if (walker->flags & SIGAR_NETCONN_UDP) { + status = net_conn_get_udp(walker); + + if (status != SIGAR_OK) { + return status; + } + } +#endif + return SIGAR_OK; +} + +SIGAR_DECLARE(int) +sigar_tcp_get(sigar_t *sigar, + sigar_tcp_t *tcp) +{ + perfstat_id_t id; + perfstat_protocol_t proto; + + SIGAR_SSTRCPY(id.name, "tcp"); + + if (perfstat_protocol(&id, &proto, sizeof(proto), 1) != 1) { + return ENOENT; + } + + tcp->active_opens = proto.u.tcp.initiated; + tcp->passive_opens = proto.u.tcp.accepted; + tcp->attempt_fails = proto.u.tcp.dropped; + tcp->estab_resets = proto.u.tcp.dropped; + tcp->curr_estab = proto.u.tcp.established; + tcp->in_segs = proto.u.tcp.ipackets; + tcp->out_segs = proto.u.tcp.opackets; + tcp->retrans_segs = 0; + tcp->in_errs = proto.u.tcp.ierrors; + tcp->out_rsts = 0; +} + +#define NFS_V2_STAT_SET(type) \ + nfs->null = proto.u.nfsv2.type.null; \ + nfs->getattr = proto.u.nfsv2.type.getattr; \ + nfs->setattr = proto.u.nfsv2.type.setattr; \ + nfs->root = proto.u.nfsv2.type.root; \ + nfs->lookup = proto.u.nfsv2.type.lookup; \ + nfs->readlink = proto.u.nfsv2.type.readlink; \ + nfs->read = proto.u.nfsv2.type.read; \ + nfs->writecache = proto.u.nfsv2.type.writecache; \ + nfs->write = proto.u.nfsv2.type.write; \ + nfs->create = proto.u.nfsv2.type.create; \ + nfs->remove = proto.u.nfsv2.type.remove; \ + nfs->rename = proto.u.nfsv2.type.rename; \ + nfs->link = proto.u.nfsv2.type.link; \ + nfs->symlink = proto.u.nfsv2.type.symlink; \ + nfs->mkdir = proto.u.nfsv2.type.mkdir; \ + nfs->rmdir = proto.u.nfsv2.type.rmdir; \ + nfs->readdir = proto.u.nfsv2.type.readdir; \ + nfs->fsstat = proto.u.nfsv2.type.statfs + +int sigar_nfs_client_v2_get(sigar_t *sigar, + sigar_nfs_client_v2_t *nfs) +{ + perfstat_id_t id; + perfstat_protocol_t proto; + + SIGAR_SSTRCPY(id.name, "nfsv2"); + + if (perfstat_protocol(&id, &proto, sizeof(proto), 1) != 1) { + return ENOENT; + } + + NFS_V2_STAT_SET(client); + + return SIGAR_OK; +} + +int sigar_nfs_server_v2_get(sigar_t *sigar, + sigar_nfs_server_v2_t *nfs) +{ + perfstat_id_t id; + perfstat_protocol_t proto; + + SIGAR_SSTRCPY(id.name, "nfsv2"); + + if (perfstat_protocol(&id, &proto, sizeof(proto), 1) != 1) { + return ENOENT; + } + + NFS_V2_STAT_SET(server); + + return SIGAR_OK; +} + +#define NFS_V3_STAT_SET(type) \ + nfs->null = proto.u.nfsv3.type.null; \ + nfs->getattr = proto.u.nfsv3.type.getattr; \ + nfs->setattr = proto.u.nfsv3.type.setattr; \ + nfs->lookup = proto.u.nfsv3.type.lookup; \ + nfs->access = proto.u.nfsv3.type.access; \ + nfs->readlink = proto.u.nfsv3.type.readlink; \ + nfs->read = proto.u.nfsv3.type.read; \ + nfs->write = proto.u.nfsv3.type.write; \ + nfs->create = proto.u.nfsv3.type.create; \ + nfs->mkdir = proto.u.nfsv3.type.mkdir; \ + nfs->symlink = proto.u.nfsv3.type.symlink; \ + nfs->mknod = proto.u.nfsv3.type.mknod; \ + nfs->remove = proto.u.nfsv3.type.remove; \ + nfs->rmdir = proto.u.nfsv3.type.rmdir; \ + nfs->rename = proto.u.nfsv3.type.rename; \ + nfs->link = proto.u.nfsv3.type.link; \ + nfs->readdir = proto.u.nfsv3.type.readdir; \ + nfs->readdirplus = proto.u.nfsv3.type.readdirplus; \ + nfs->fsstat = proto.u.nfsv3.type.fsstat; \ + nfs->fsinfo = proto.u.nfsv3.type.fsinfo; \ + nfs->pathconf = proto.u.nfsv3.type.pathconf; \ + nfs->commit = proto.u.nfsv3.type.commit + +int sigar_nfs_client_v3_get(sigar_t *sigar, + sigar_nfs_client_v3_t *nfs) +{ + perfstat_id_t id; + perfstat_protocol_t proto; + + SIGAR_SSTRCPY(id.name, "nfsv3"); + + if (perfstat_protocol(&id, &proto, sizeof(proto), 1) != 1) { + return ENOENT; + } + + NFS_V3_STAT_SET(client); + + return SIGAR_OK; +} + +int sigar_nfs_server_v3_get(sigar_t *sigar, + sigar_nfs_server_v3_t *nfs) +{ + perfstat_id_t id; + perfstat_protocol_t proto; + + SIGAR_SSTRCPY(id.name, "nfsv3"); + + if (perfstat_protocol(&id, &proto, sizeof(proto), 1) != 1) { + return ENOENT; + } + + NFS_V3_STAT_SET(server); + + return SIGAR_OK; +} + +#include +/* + * cannot find any related aix docs on reading the ARP table, + * this impl was gleaned from the above .h file and truss -f arp -an + */ +int sigar_arp_list_get(sigar_t *sigar, + sigar_arp_list_t *arplist) +{ + int status = SIGAR_OK; + long arptabsize; + int i, size, retval; + struct arptab *arptabp; + + size = sizeof(arptabsize); + retval = getkerninfo(KINFO_READ, &arptabsize, &size, + sigar->koffsets[KOFFSET_ARPTABSIZE]); + if (retval != sizeof(arptabsize)) { + return errno; + } + + size = sizeof(arptabp); + retval = getkerninfo(KINFO_READ, &arptabp, &size, + sigar->koffsets[KOFFSET_ARPTABP]); + if (retval != sizeof(arptabp)) { + return errno; + } + + sigar_arp_list_create(arplist); + status = SIGAR_OK; + + for (i=0; idata[arplist->number++]; + + sigar_net_address_set(arp->address, + ent.at_iaddr.s_addr); + + sigar_net_address_mac_set(arp->hwaddr, + ent.hwaddr, + sizeof(arp->hwaddr.addr.mac)); + + if_indextoname(ifp.if_index, arp->ifname); + + arp->flags = ent.at_flags; + SIGAR_SSTRCPY(arp->type, "ether"); /* XXX ifp.if_type */ + } + + if (status != SIGAR_OK) { + sigar_arp_list_destroy(sigar, arplist); + } + + return status; +} + +/* derived from pidentd's k_aix432.c */ +int sigar_proc_port_get(sigar_t *sigar, int protocol, + unsigned long port, sigar_pid_t *pidp) +{ + struct procsinfo pinfo; + struct fdsinfo finfo; + pid_t pid = 0; + int type; + + switch (protocol) { + case SIGAR_NETCONN_TCP: + type = IPPROTO_TCP; + break; + case SIGAR_NETCONN_UDP: + type = IPPROTO_UDP; + break; + default: + return SIGAR_ENOTIMPL; + } + + for (;;) { + int fd, status; + int num = getprocs(&pinfo, sizeof(pinfo), + &finfo, sizeof(finfo), + &pid, 1); + + if (num == 0) { + break; + } + + if ((pinfo.pi_state == 0) || (pinfo.pi_state == SZOMB)) { + continue; + } + + for (fd = 0; fd < pinfo.pi_maxofile; fd++) { + struct file file; + struct socket socket, *sockp; + struct protosw protosw; + struct domain domain; + struct inpcb inpcb; + long ptr; + + if (!(ptr = (long)finfo.pi_ufd[fd].fp)) { + continue; + } + + status = kread(sigar, &file, sizeof(file), ptr); + if (status != SIGAR_OK) { + continue; + } + + if (file.f_type != DTYPE_SOCKET) { + continue; + } + + if (!(sockp = (struct socket *)file.f_data)) { + continue; + } + + status = kread(sigar, &socket, sizeof(socket), (long)sockp); + if (status != SIGAR_OK) { + continue; + } + + if (!(ptr = (long)socket.so_proto)) { + continue; + } + + status = kread(sigar, &protosw, sizeof(protosw), ptr); + if (status != SIGAR_OK) { + continue; + } + + if (protosw.pr_protocol != type) { + continue; + } + + if (!(ptr = (long)protosw.pr_domain)) { + continue; + } + + status = kread(sigar, &domain, sizeof(domain), ptr); + if (status != SIGAR_OK) { + continue; + } + + if ((domain.dom_family != AF_INET) && + domain.dom_family != AF_INET6) + { + continue; + } + + if (!(ptr = (long)socket.so_pcb)) { + continue; + } + + status = kread(sigar, &inpcb, sizeof(inpcb), ptr); + if (status != SIGAR_OK) { + continue; + } + + if (sockp != inpcb.inp_socket) { + continue; + } + + if (inpcb.inp_lport != port) { + continue; + } + + *pidp = pinfo.pi_pid; + + return SIGAR_OK; + } + } + + return ENOENT; +} + +int sigar_os_sys_info_get(sigar_t *sigar, + sigar_sys_info_t *sysinfo) +{ + struct utsname name; + + uname(&name); + + SIGAR_SSTRCPY(sysinfo->vendor, "IBM"); + SIGAR_SSTRCPY(sysinfo->arch, get_cpu_arch()); + /* utsname.machine is a sequence number */ + /* XXX odm might have something better */ + snprintf(sysinfo->machine, + sizeof(sysinfo->machine), + "%s %s", + sysinfo->arch, get_cpu_model()); + + snprintf(sysinfo->version, + sizeof(sysinfo->version), + "%s.%s", + name.version, name.release); + + SIGAR_SSTRCPY(sysinfo->vendor_version, sysinfo->version); + + snprintf(sysinfo->description, + sizeof(sysinfo->description), + "%s %s", + sysinfo->name, sysinfo->version); + + return SIGAR_OK; +} diff --git a/vendor/sigar/src/os/aix/sigar_os.h b/vendor/sigar/src/os/aix/sigar_os.h new file mode 100644 index 0000000..5ee7cf0 --- /dev/null +++ b/vendor/sigar/src/os/aix/sigar_os.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2004-2007, 2009 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2010 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SIGAR_OS_H +#define SIGAR_OS_H + +#include +#include +#include +#include +#include + +enum { + KOFFSET_LOADAVG, + KOFFSET_VAR, + KOFFSET_SYSINFO, + KOFFSET_IFNET, + KOFFSET_VMINFO, + KOFFSET_CPUINFO, + KOFFSET_TCB, + KOFFSET_ARPTABSIZE, + KOFFSET_ARPTABP, + KOFFSET_MAX +}; + +typedef struct { + time_t mtime; + int num; + char **devs; +} swaps_t; + +typedef int (*proc_fd_func_t) (sigar_t *, sigar_pid_t, sigar_proc_fd_t *); + +struct sigar_t { + SIGAR_T_BASE; + int kmem; + /* offsets for seeking on kmem */ + long koffsets[KOFFSET_MAX]; + proc_fd_func_t getprocfd; + int pagesize; + swaps_t swaps; + time_t last_getprocs; + sigar_pid_t last_pid; + struct procsinfo64 *pinfo; + struct cpuinfo *cpuinfo; + int cpuinfo_size; + int cpu_mhz; + char model[128]; + int aix_version; + int thrusage; + sigar_cache_t *diskmap; +}; + +#define HAVE_STRERROR_R + +#define SIGAR_EPERM_KMEM (SIGAR_OS_START_ERROR+EACCES) + +#endif /* SIGAR_OS_H */ diff --git a/vendor/sigar/src/os/darwin/darwin_sigar.c b/vendor/sigar/src/os/darwin/darwin_sigar.c new file mode 100644 index 0000000..0e154b0 --- /dev/null +++ b/vendor/sigar/src/os/darwin/darwin_sigar.c @@ -0,0 +1,3711 @@ +/* + * Copyright (c) 2004-2009 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2009-2010 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_util.h" +#include "sigar_os.h" + +#include +#include +#if !(defined(__FreeBSD__) && (__FreeBSD_version >= 800000)) +#include +#endif +#include + +#ifdef DARWIN +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#if !defined(HAVE_SHARED_REGION_H) && defined(__MAC_10_5) /* see Availability.h */ +# define HAVE_SHARED_REGION_H /* suckit autoconf */ +#endif +#ifdef HAVE_SHARED_REGION_H +#include /* does not exist in 10.4 SDK */ +#else +#include /* deprecated in Leopard */ +#endif +#include +#define __OPENTRANSPORTPROVIDERS__ +#include +#include +#include +#include +#include +#include +#else +#include +#include +#include +#include +#include +#include +#include +#endif + +#if defined(__FreeBSD__) && (__FreeBSD_version >= 500013) +#define SIGAR_FREEBSD5_NFSSTAT +#include +#include +#else +#include +#endif + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#ifdef __NetBSD__ +#include +#include +#include +#define SRUN LSRUN +#define SSLEEP LSSLEEP +#define SDEAD LSDEAD +#define SONPROC LSONPROC +#define SSUSPENDED LSSUSPENDED +#include +#endif +#include +#include + +#define NMIB(mib) (sizeof(mib)/sizeof(mib[0])) + +#ifdef __FreeBSD__ +# if (__FreeBSD_version >= 500013) +# define SIGAR_FREEBSD5 +# else +# define SIGAR_FREEBSD4 +# endif +#endif + +#if defined(SIGAR_FREEBSD5) + +#define KI_FD ki_fd +#define KI_PID ki_pid +#define KI_PPID ki_ppid +#define KI_PRI ki_pri.pri_user +#define KI_NICE ki_nice +#define KI_COMM ki_comm +#define KI_STAT ki_stat +#define KI_UID ki_ruid +#define KI_GID ki_rgid +#define KI_EUID ki_svuid +#define KI_EGID ki_svgid +#define KI_SIZE ki_size +#define KI_RSS ki_rssize +#define KI_TSZ ki_tsize +#define KI_DSZ ki_dsize +#define KI_SSZ ki_ssize +#define KI_FLAG ki_flag +#define KI_START ki_start + +#elif defined(DARWIN) || defined(SIGAR_FREEBSD4) || defined(__OpenBSD__) || defined(__NetBSD__) + +#define KI_FD kp_proc.p_fd +#define KI_PID kp_proc.p_pid +#define KI_PPID kp_eproc.e_ppid +#define KI_PRI kp_proc.p_priority +#define KI_NICE kp_proc.p_nice +#define KI_COMM kp_proc.p_comm +#define KI_STAT kp_proc.p_stat +#define KI_UID kp_eproc.e_pcred.p_ruid +#define KI_GID kp_eproc.e_pcred.p_rgid +#define KI_EUID kp_eproc.e_pcred.p_svuid +#define KI_EGID kp_eproc.e_pcred.p_svgid +#define KI_SIZE XXX +#define KI_RSS kp_eproc.e_vm.vm_rssize +#define KI_TSZ kp_eproc.e_vm.vm_tsize +#define KI_DSZ kp_eproc.e_vm.vm_dsize +#define KI_SSZ kp_eproc.e_vm.vm_ssize +#define KI_FLAG kp_eproc.e_flag +#define KI_START kp_proc.p_starttime + +#endif + +#ifndef DARWIN + +#define PROCFS_STATUS(status) \ + ((((status) != SIGAR_OK) && !sigar->proc_mounted) ? \ + SIGAR_ENOTIMPL : status) + +static int get_koffsets(sigar_t *sigar) +{ + int i; + struct nlist klist[] = { + { "_cp_time" }, + { "_cnt" }, +#if defined(__OpenBSD__) || defined(__NetBSD__) + { "_tcpstat" }, + { "_tcbtable" }, +#endif + { NULL } + }; + + if (!sigar->kmem) { + return SIGAR_EPERM_KMEM; + } + + kvm_nlist(sigar->kmem, klist); + + for (i=0; ikoffsets[i] = klist[i].n_value; + } + + return SIGAR_OK; +} + +static int kread(sigar_t *sigar, void *data, int size, long offset) +{ + if (!sigar->kmem) { + return SIGAR_EPERM_KMEM; + } + + if (kvm_read(sigar->kmem, offset, data, size) != size) { + return errno; + } + + return SIGAR_OK; +} +#endif + +int sigar_os_open(sigar_t **sigar) +{ + int mib[2]; + int ncpu; + size_t len; + struct timeval boottime; +#ifndef DARWIN + struct stat sb; +#endif + + len = sizeof(ncpu); + mib[0] = CTL_HW; + mib[1] = HW_NCPU; + if (sysctl(mib, NMIB(mib), &ncpu, &len, NULL, 0) < 0) { + return errno; + } + + len = sizeof(boottime); + mib[0] = CTL_KERN; + mib[1] = KERN_BOOTTIME; + if (sysctl(mib, NMIB(mib), &boottime, &len, NULL, 0) < 0) { + return errno; + } + + *sigar = malloc(sizeof(**sigar)); + +#ifdef DARWIN + (*sigar)->mach_port = mach_host_self(); +# ifdef DARWIN_HAS_LIBPROC_H + if (((*sigar)->libproc = dlopen("/usr/lib/libproc.dylib", 0))) { + (*sigar)->proc_pidinfo = dlsym((*sigar)->libproc, "proc_pidinfo"); + (*sigar)->proc_pidfdinfo = dlsym((*sigar)->libproc, "proc_pidfdinfo"); + } +# endif +#else + (*sigar)->kmem = kvm_open(NULL, NULL, NULL, O_RDONLY, NULL); + if (stat("/proc/curproc", &sb) < 0) { + (*sigar)->proc_mounted = 0; + } + else { + (*sigar)->proc_mounted = 1; + } +#endif + +#ifndef DARWIN + get_koffsets(*sigar); +#endif + + (*sigar)->ncpu = ncpu; + (*sigar)->lcpu = -1; + (*sigar)->argmax = 0; + (*sigar)->boot_time = boottime.tv_sec; /* XXX seems off a bit */ + + (*sigar)->pagesize = getpagesize(); +#ifdef __FreeBSD__ + (*sigar)->ticks = 100; /* sysconf(_SC_CLK_TCK) == 128 !? */ +#else + (*sigar)->ticks = sysconf(_SC_CLK_TCK); +#endif + (*sigar)->last_pid = -1; + + (*sigar)->pinfo = NULL; + + return SIGAR_OK; +} + +int sigar_os_close(sigar_t *sigar) +{ + if (sigar->pinfo) { + free(sigar->pinfo); + } +#ifndef DARWIN + if (sigar->kmem) { + kvm_close(sigar->kmem); + } +#endif + free(sigar); + return SIGAR_OK; +} + +char *sigar_os_error_string(sigar_t *sigar, int err) +{ + switch (err) { + case SIGAR_EPERM_KMEM: + return "Failed to open /dev/kmem for reading"; + case SIGAR_EPROC_NOENT: + return "/proc filesystem is not mounted"; + default: + return NULL; + } +} + +/* ARG_MAX in FreeBSD 6.0 == 262144, which blows up the stack */ +#define SIGAR_ARG_MAX 65536 + +#ifdef DARWIN +static size_t sigar_argmax_get(sigar_t *sigar) +{ +#ifdef KERN_ARGMAX + int mib[] = { CTL_KERN, KERN_ARGMAX }; + size_t size = sizeof(sigar->argmax); + + if (sigar->argmax != 0) { + return sigar->argmax; + } + if (sysctl(mib, NMIB(mib), &sigar->argmax, &size, NULL, 0) == 0) { + return sigar->argmax; + } +#endif + return SIGAR_ARG_MAX; +} +#endif /* DARWIN */ + +#if defined(DARWIN) +static int sigar_vmstat(sigar_t *sigar, vm_statistics_data_t *vmstat) +{ + kern_return_t status; + mach_msg_type_number_t count = sizeof(*vmstat) / sizeof(integer_t); + + status = host_statistics(sigar->mach_port, HOST_VM_INFO, + (host_info_t)vmstat, &count); + + if (status == KERN_SUCCESS) { + return SIGAR_OK; + } + else { + return errno; + } +} +#elif defined(__FreeBSD__) +static int sigar_vmstat(sigar_t *sigar, struct vmmeter *vmstat) +{ + int status; + size_t size = sizeof(unsigned int); + + status = kread(sigar, vmstat, sizeof(*vmstat), + sigar->koffsets[KOFFSET_VMMETER]); + + if (status == SIGAR_OK) { + return SIGAR_OK; + } + + SIGAR_ZERO(vmstat); + + /* derived from src/usr.bin/vmstat/vmstat.c */ + /* only collect the ones we actually use */ +#define GET_VM_STATS(cat, name, used) \ + if (used) sysctlbyname("vm.stats." #cat "." #name, &vmstat->name, &size, NULL, 0) + + /* sys */ + GET_VM_STATS(sys, v_swtch, 0); + GET_VM_STATS(sys, v_trap, 0); + GET_VM_STATS(sys, v_syscall, 0); + GET_VM_STATS(sys, v_intr, 0); + GET_VM_STATS(sys, v_soft, 0); + + /* vm */ + GET_VM_STATS(vm, v_vm_faults, 0); + GET_VM_STATS(vm, v_cow_faults, 0); + GET_VM_STATS(vm, v_cow_optim, 0); + GET_VM_STATS(vm, v_zfod, 0); + GET_VM_STATS(vm, v_ozfod, 0); + GET_VM_STATS(vm, v_swapin, 1); + GET_VM_STATS(vm, v_swapout, 1); + GET_VM_STATS(vm, v_swappgsin, 0); + GET_VM_STATS(vm, v_swappgsout, 0); + GET_VM_STATS(vm, v_vnodein, 1); + GET_VM_STATS(vm, v_vnodeout, 1); + GET_VM_STATS(vm, v_vnodepgsin, 0); + GET_VM_STATS(vm, v_vnodepgsout, 0); + GET_VM_STATS(vm, v_intrans, 0); + GET_VM_STATS(vm, v_reactivated, 0); + GET_VM_STATS(vm, v_pdwakeups, 0); + GET_VM_STATS(vm, v_pdpages, 0); + GET_VM_STATS(vm, v_dfree, 0); + GET_VM_STATS(vm, v_pfree, 0); + GET_VM_STATS(vm, v_tfree, 0); + GET_VM_STATS(vm, v_page_size, 0); + GET_VM_STATS(vm, v_page_count, 0); + GET_VM_STATS(vm, v_free_reserved, 0); + GET_VM_STATS(vm, v_free_target, 0); + GET_VM_STATS(vm, v_free_min, 0); + GET_VM_STATS(vm, v_free_count, 1); + GET_VM_STATS(vm, v_wire_count, 0); + GET_VM_STATS(vm, v_active_count, 0); + GET_VM_STATS(vm, v_inactive_target, 0); + GET_VM_STATS(vm, v_inactive_count, 1); + GET_VM_STATS(vm, v_cache_count, 1); + GET_VM_STATS(vm, v_cache_min, 0); + GET_VM_STATS(vm, v_cache_max, 0); + GET_VM_STATS(vm, v_pageout_free_min, 0); + GET_VM_STATS(vm, v_interrupt_free_min, 0); + GET_VM_STATS(vm, v_forks, 0); + GET_VM_STATS(vm, v_vforks, 0); + GET_VM_STATS(vm, v_rforks, 0); + GET_VM_STATS(vm, v_kthreads, 0); + GET_VM_STATS(vm, v_forkpages, 0); + GET_VM_STATS(vm, v_vforkpages, 0); + GET_VM_STATS(vm, v_rforkpages, 0); + GET_VM_STATS(vm, v_kthreadpages, 0); +#undef GET_VM_STATS + + return SIGAR_OK; +} +#elif defined(__OpenBSD__) || defined(__NetBSD__) +static int sigar_vmstat(sigar_t *sigar, struct uvmexp *vmstat) +{ + size_t size = sizeof(*vmstat); + int mib[] = { CTL_VM, VM_UVMEXP }; + if (sysctl(mib, NMIB(mib), vmstat, &size, NULL, 0) < 0) { + return errno; + } + else { + return SIGAR_OK; + } +} +#endif + +int sigar_mem_get(sigar_t *sigar, sigar_mem_t *mem) +{ + sigar_uint64_t kern = 0; +#ifdef DARWIN + vm_statistics_data_t vmstat; + uint64_t mem_total; +#else + unsigned long mem_total; +#endif +#if defined(__FreeBSD__) + struct vmmeter vmstat; +#elif defined(__OpenBSD__) || defined(__NetBSD__) + struct uvmexp vmstat; +#endif + int mib[2]; + size_t len; + int status; + + mib[0] = CTL_HW; + + mib[1] = HW_PAGESIZE; + len = sizeof(sigar->pagesize); + if (sysctl(mib, NMIB(mib), &sigar->pagesize, &len, NULL, 0) < 0) { + return errno; + } + +#ifdef DARWIN + mib[1] = HW_MEMSIZE; +#else + mib[1] = HW_PHYSMEM; +#endif + len = sizeof(mem_total); + if (sysctl(mib, NMIB(mib), &mem_total, &len, NULL, 0) < 0) { + return errno; + } + + mem->total = mem_total; + +#if defined(DARWIN) + if ((status = sigar_vmstat(sigar, &vmstat)) != SIGAR_OK) { + return status; + } + + mem->free = vmstat.free_count; + mem->free *= sigar->pagesize; + kern = vmstat.inactive_count; + kern *= sigar->pagesize; +#elif defined(__FreeBSD__) + if ((status = sigar_vmstat(sigar, &vmstat)) == SIGAR_OK) { + kern = vmstat.v_cache_count + vmstat.v_inactive_count; + kern *= sigar->pagesize; + mem->free = vmstat.v_free_count; + mem->free *= sigar->pagesize; + } +#elif defined(__OpenBSD__) || defined(__NetBSD__) + if ((status = sigar_vmstat(sigar, &vmstat)) != SIGAR_OK) { + return status; + } + mem->free = vmstat.free; + kern = vmstat.inactive; +# if defined(__OpenBSD__) + kern += vmstat.vnodepages + vmstat.vtextpages; +# elif defined(__NetBSD__) + kern += vmstat.filepages + vmstat.execpages; +# endif + kern *= sigar->pagesize; +#endif + + mem->used = mem->total - mem->free; + + mem->actual_free = mem->free + kern; + mem->actual_used = mem->used - kern; + + sigar_mem_calc_ram(sigar, mem); + + return SIGAR_OK; +} + +#define SWI_MAXMIB 3 + +#ifdef SIGAR_FREEBSD5 +/* code in this function is based on FreeBSD 5.3 kvm_getswapinfo.c */ +static int getswapinfo_sysctl(struct kvm_swap *swap_ary, + int swap_max) +{ + int ti, ttl; + size_t mibi, len, size; + int soid[SWI_MAXMIB]; + struct xswdev xsd; + struct kvm_swap tot; + int unswdev, dmmax; + + /* XXX this can be optimized by using os_open */ + size = sizeof(dmmax); + if (sysctlbyname("vm.dmmax", &dmmax, &size, NULL, 0) == -1) { + return errno; + } + + mibi = SWI_MAXMIB - 1; + if (sysctlnametomib("vm.swap_info", soid, &mibi) == -1) { + return errno; + } + + bzero(&tot, sizeof(tot)); + for (unswdev = 0;; unswdev++) { + soid[mibi] = unswdev; + len = sizeof(xsd); + if (sysctl(soid, mibi + 1, &xsd, &len, NULL, 0) == -1) { + if (errno == ENOENT) { + break; + } + return errno; + } +#if 0 + if (len != sizeof(xsd)) { + _kvm_err(kd, kd->program, "struct xswdev has unexpected " + "size; kernel and libkvm out of sync?"); + return -1; + } + if (xsd.xsw_version != XSWDEV_VERSION) { + _kvm_err(kd, kd->program, "struct xswdev version " + "mismatch; kernel and libkvm out of sync?"); + return -1; + } +#endif + ttl = xsd.xsw_nblks - dmmax; + if (unswdev < swap_max - 1) { + bzero(&swap_ary[unswdev], sizeof(swap_ary[unswdev])); + swap_ary[unswdev].ksw_total = ttl; + swap_ary[unswdev].ksw_used = xsd.xsw_used; + swap_ary[unswdev].ksw_flags = xsd.xsw_flags; + } + tot.ksw_total += ttl; + tot.ksw_used += xsd.xsw_used; + } + + ti = unswdev; + if (ti >= swap_max) { + ti = swap_max - 1; + } + if (ti >= 0) { + swap_ary[ti] = tot; + } + + return SIGAR_OK; +} +#else +#define getswapinfo_sysctl(swap_ary, swap_max) SIGAR_ENOTIMPL +#endif + +#define SIGAR_FS_BLOCKS_TO_BYTES(val, bsize) ((val * bsize) >> 1) + +#ifdef DARWIN +#define VM_DIR "/private/var/vm" +#define SWAPFILE "swapfile" + +static int sigar_swap_fs_get(sigar_t *sigar, sigar_swap_t *swap) /* <= 10.3 */ +{ + DIR *dirp; + struct dirent *ent; + char swapfile[SSTRLEN(VM_DIR) + SSTRLEN("/") + SSTRLEN(SWAPFILE) + 12]; + struct stat swapstat; + struct statfs vmfs; + sigar_uint64_t val, bsize; + + swap->used = swap->total = swap->free = 0; + + if (!(dirp = opendir(VM_DIR))) { + return errno; + } + + /* looking for "swapfile0", "swapfile1", etc. */ + while ((ent = readdir(dirp))) { + char *ptr = swapfile; + + if ((ent->d_namlen < SSTRLEN(SWAPFILE)+1) || /* n/a, see comment above */ + (ent->d_namlen > SSTRLEN(SWAPFILE)+11)) /* ensure no overflow */ + { + continue; + } + + if (!strnEQ(ent->d_name, SWAPFILE, SSTRLEN(SWAPFILE))) { + continue; + } + + /* sprintf(swapfile, "%s/%s", VM_DIR, ent->d_name) */ + + memcpy(ptr, VM_DIR, SSTRLEN(VM_DIR)); + ptr += SSTRLEN(VM_DIR); + + *ptr++ = '/'; + + memcpy(ptr, ent->d_name, ent->d_namlen+1); + + if (stat(swapfile, &swapstat) < 0) { + continue; + } + + swap->used += swapstat.st_size; + } + + closedir(dirp); + + if (statfs(VM_DIR, &vmfs) < 0) { + return errno; + } + + bsize = vmfs.f_bsize / 512; + val = vmfs.f_bfree; + swap->total = SIGAR_FS_BLOCKS_TO_BYTES(val, bsize) + swap->used; + + swap->free = swap->total - swap->used; + + return SIGAR_OK; +} + +static int sigar_swap_sysctl_get(sigar_t *sigar, sigar_swap_t *swap) + +{ +#ifdef VM_SWAPUSAGE /* => 10.4 */ + struct xsw_usage sw_usage; + size_t size = sizeof(sw_usage); + int mib[] = { CTL_VM, VM_SWAPUSAGE }; + + if (sysctl(mib, NMIB(mib), &sw_usage, &size, NULL, 0) != 0) { + return errno; + } + + swap->total = sw_usage.xsu_total; + swap->used = sw_usage.xsu_used; + swap->free = sw_usage.xsu_avail; + + return SIGAR_OK; +#else + return SIGAR_ENOTIMPL; /* <= 10.3 */ +#endif +} +#endif /* DARWIN */ + +int sigar_swap_get(sigar_t *sigar, sigar_swap_t *swap) +{ + int status; +#if defined(DARWIN) + vm_statistics_data_t vmstat; + + if (sigar_swap_sysctl_get(sigar, swap) != SIGAR_OK) { + status = sigar_swap_fs_get(sigar, swap); /* <= 10.3 */ + if (status != SIGAR_OK) { + return status; + } + } + + if ((status = sigar_vmstat(sigar, &vmstat)) != SIGAR_OK) { + return status; + } + swap->page_in = vmstat.pageins; + swap->page_out = vmstat.pageouts; +#elif defined(__FreeBSD__) + struct kvm_swap kswap[1]; + struct vmmeter vmstat; + + if (getswapinfo_sysctl(kswap, 1) != SIGAR_OK) { + if (!sigar->kmem) { + return SIGAR_EPERM_KMEM; + } + + if (kvm_getswapinfo(sigar->kmem, kswap, 1, 0) < 0) { + return errno; + } + } + + if (kswap[0].ksw_total == 0) { + swap->total = 0; + swap->used = 0; + swap->free = 0; + return SIGAR_OK; + } + + swap->total = kswap[0].ksw_total * sigar->pagesize; + swap->used = kswap[0].ksw_used * sigar->pagesize; + swap->free = swap->total - swap->used; + + if ((status = sigar_vmstat(sigar, &vmstat)) == SIGAR_OK) { + swap->page_in = vmstat.v_swapin + vmstat.v_vnodein; + swap->page_out = vmstat.v_swapout + vmstat.v_vnodeout; + } + else { + swap->page_in = swap->page_out = -1; + } +#elif defined(__OpenBSD__) || defined(__NetBSD__) + struct uvmexp vmstat; + + if ((status = sigar_vmstat(sigar, &vmstat)) != SIGAR_OK) { + return status; + } + swap->total = vmstat.swpages * sigar->pagesize; + swap->used = vmstat.swpginuse * sigar->pagesize; + swap->free = swap->total - swap->used; + swap->page_in = vmstat.pageins; + swap->page_out = vmstat.pdpageouts; +#endif + + return SIGAR_OK; +} + +#ifndef KERN_CPTIME +#define KERN_CPTIME KERN_CP_TIME +#endif + +#if defined(__NetBSD__) +typedef uint64_t cp_time_t; +#else +typedef unsigned long cp_time_t; +#endif + +int sigar_cpu_get(sigar_t *sigar, sigar_cpu_t *cpu) +{ +#if defined(DARWIN) + kern_return_t status; + mach_msg_type_number_t count = HOST_CPU_LOAD_INFO_COUNT; + host_cpu_load_info_data_t cpuload; + + status = host_statistics(sigar->mach_port, HOST_CPU_LOAD_INFO, + (host_info_t)&cpuload, &count); + + if (status != KERN_SUCCESS) { + return errno; + } + + cpu->user = SIGAR_TICK2MSEC(cpuload.cpu_ticks[CPU_STATE_USER]); + cpu->sys = SIGAR_TICK2MSEC(cpuload.cpu_ticks[CPU_STATE_SYSTEM]); + cpu->idle = SIGAR_TICK2MSEC(cpuload.cpu_ticks[CPU_STATE_IDLE]); + cpu->nice = SIGAR_TICK2MSEC(cpuload.cpu_ticks[CPU_STATE_NICE]); + cpu->wait = 0; /*N/A*/ + cpu->irq = 0; /*N/A*/ + cpu->soft_irq = 0; /*N/A*/ + cpu->stolen = 0; /*N/A*/ + cpu->total = cpu->user + cpu->nice + cpu->sys + cpu->idle; + +#elif defined(__FreeBSD__) || (__OpenBSD__) || defined(__NetBSD__) + int status; + cp_time_t cp_time[CPUSTATES]; + size_t size = sizeof(cp_time); + +# if defined(__OpenBSD__) || defined(__NetBSD__) + int mib[] = { CTL_KERN, KERN_CPTIME }; + if (sysctl(mib, NMIB(mib), &cp_time, &size, NULL, 0) == -1) { + status = errno; + } +# else + /* try sysctl first, does not require /dev/kmem perms */ + if (sysctlbyname("kern.cp_time", &cp_time, &size, NULL, 0) == -1) { + status = kread(sigar, &cp_time, sizeof(cp_time), + sigar->koffsets[KOFFSET_CPUINFO]); + } +# endif + else { + status = SIGAR_OK; + } + + if (status != SIGAR_OK) { + return status; + } + + cpu->user = SIGAR_TICK2MSEC(cp_time[CP_USER]); + cpu->nice = SIGAR_TICK2MSEC(cp_time[CP_NICE]); + cpu->sys = SIGAR_TICK2MSEC(cp_time[CP_SYS]); + cpu->idle = SIGAR_TICK2MSEC(cp_time[CP_IDLE]); + cpu->wait = 0; /*N/A*/ + cpu->irq = SIGAR_TICK2MSEC(cp_time[CP_INTR]); + cpu->soft_irq = 0; /*N/A*/ + cpu->stolen = 0; /*N/A*/ + cpu->total = cpu->user + cpu->nice + cpu->sys + cpu->idle + cpu->irq; +#endif + + return SIGAR_OK; +} + +#if defined(__FreeBSD__) && (__FreeBSD_version >= 700000) +#define HAVE_KERN_CP_TIMES /* kern.cp_times came later than 7.0, not sure exactly when */ +static int sigar_cp_times_get(sigar_t *sigar, sigar_cpu_list_t *cpulist) +{ + int maxcpu, status; + size_t len = sizeof(maxcpu), size; + long *times; + + if (sysctlbyname("kern.smp.maxcpus", &maxcpu, &len, NULL, 0) == -1) { + return errno; + } + + size = sizeof(long) * maxcpu * CPUSTATES; + times = malloc(size); + if (sysctlbyname("kern.cp_times", times, &size, NULL, 0) == -1) { + status = errno; + } + else { + int i, maxid = (size / CPUSTATES / sizeof(long)); + long *cp_time = times; + status = SIGAR_OK; + + for (i=0; idata[cpulist->number++]; + cpu->user = SIGAR_TICK2MSEC(cp_time[CP_USER]); + cpu->nice = SIGAR_TICK2MSEC(cp_time[CP_NICE]); + cpu->sys = SIGAR_TICK2MSEC(cp_time[CP_SYS]); + cpu->idle = SIGAR_TICK2MSEC(cp_time[CP_IDLE]); + cpu->wait = 0; /*N/A*/ + cpu->irq = SIGAR_TICK2MSEC(cp_time[CP_INTR]); + cpu->soft_irq = 0; /*N/A*/ + cpu->stolen = 0; /*N/A*/ + cpu->total = cpu->user + cpu->nice + cpu->sys + cpu->idle + cpu->irq; + cp_time += CPUSTATES; + } + } + + free(times); + return status; +} +#endif + +int sigar_cpu_list_get(sigar_t *sigar, sigar_cpu_list_t *cpulist) +{ +#ifdef DARWIN + kern_return_t status; + mach_msg_type_number_t count; + processor_cpu_load_info_data_t *cpuload; + natural_t i, ncpu; + + status = host_processor_info(sigar->mach_port, + PROCESSOR_CPU_LOAD_INFO, + &ncpu, + (processor_info_array_t*)&cpuload, + &count); + + if (status != KERN_SUCCESS) { + return errno; + } + + sigar_cpu_list_create(cpulist); + + for (i=0; idata[cpulist->number++]; + + cpu->user = SIGAR_TICK2MSEC(cpuload[i].cpu_ticks[CPU_STATE_USER]); + cpu->sys = SIGAR_TICK2MSEC(cpuload[i].cpu_ticks[CPU_STATE_SYSTEM]); + cpu->idle = SIGAR_TICK2MSEC(cpuload[i].cpu_ticks[CPU_STATE_IDLE]); + cpu->nice = SIGAR_TICK2MSEC(cpuload[i].cpu_ticks[CPU_STATE_NICE]); + cpu->wait = 0; /*N/A*/ + cpu->irq = 0; /*N/A*/ + cpu->soft_irq = 0; /*N/A*/ + cpu->stolen = 0; /*N/A*/ + cpu->total = cpu->user + cpu->nice + cpu->sys + cpu->idle; + } + + vm_deallocate(mach_task_self(), (vm_address_t)cpuload, count); + + return SIGAR_OK; +#else + int status, i; + sigar_cpu_t *cpu; + + sigar_cpu_list_create(cpulist); + +#ifdef HAVE_KERN_CP_TIMES + if ((status = sigar_cp_times_get(sigar, cpulist)) == SIGAR_OK) { + return SIGAR_OK; + } +#endif + /* XXX no multi cpu in freebsd < 7.0, howbout others? + * for now just report all metrics on the 1st cpu + * 0's for the rest + */ + cpu = &cpulist->data[cpulist->number++]; + + status = sigar_cpu_get(sigar, cpu); + if (status != SIGAR_OK) { + return status; + } + + for (i=1; incpu; i++) { + SIGAR_CPU_LIST_GROW(cpulist); + + cpu = &cpulist->data[cpulist->number++]; + SIGAR_ZERO(cpu); + } + + return SIGAR_OK; +#endif +} + +int sigar_uptime_get(sigar_t *sigar, + sigar_uptime_t *uptime) +{ + uptime->uptime = time(NULL) - sigar->boot_time; + + return SIGAR_OK; +} + +int sigar_loadavg_get(sigar_t *sigar, + sigar_loadavg_t *loadavg) +{ + getloadavg(loadavg->loadavg, 3); + + return SIGAR_OK; +} + +#if defined(DARWIN) && defined(DARWIN_HAS_LIBPROC_H) + +static int proc_fdinfo_get(sigar_t *sigar, sigar_pid_t pid, int *num) +{ + int rsize; + const int init_size = PROC_PIDLISTFD_SIZE * 32; + + if (!sigar->libproc) { + return SIGAR_ENOTIMPL; + } + + if (sigar->ifconf_len == 0) { + sigar->ifconf_len = init_size; + sigar->ifconf_buf = malloc(sigar->ifconf_len); + } + + while (1) { + rsize = sigar->proc_pidinfo(pid, PROC_PIDLISTFDS, 0, + sigar->ifconf_buf, sigar->ifconf_len); + if (rsize <= 0) { + return errno; + } + if ((rsize + PROC_PIDLISTFD_SIZE) < sigar->ifconf_len) { + break; + } + + sigar->ifconf_len += init_size; + sigar->ifconf_buf = realloc(sigar->ifconf_buf, sigar->ifconf_len); + } + + *num = rsize / PROC_PIDLISTFD_SIZE; + + return SIGAR_OK; +} + +#endif + +#ifndef KERN_PROC_PROC +/* freebsd 4.x */ +#define KERN_PROC_PROC KERN_PROC_ALL +#endif + +int sigar_os_proc_list_get(sigar_t *sigar, + sigar_proc_list_t *proclist) +{ +#if defined(DARWIN) || defined(SIGAR_FREEBSD5) || defined(__OpenBSD__) || defined(__NetBSD__) + int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PROC, 0 }; + int i, num; + size_t len; + struct kinfo_proc *proc; + + if (sysctl(mib, NMIB(mib), NULL, &len, NULL, 0) < 0) { + return errno; + } + + proc = malloc(len); + + if (sysctl(mib, NMIB(mib), proc, &len, NULL, 0) < 0) { + free(proc); + return errno; + } + + num = len/sizeof(*proc); + + for (i=0; idata[proclist->number++] = proc[i].KI_PID; + } + + free(proc); + + return SIGAR_OK; +#else + int i, num; + struct kinfo_proc *proc; + + if (!sigar->kmem) { + return SIGAR_EPERM_KMEM; + } + + proc = kvm_getprocs(sigar->kmem, KERN_PROC_PROC, 0, &num); + + for (i=0; idata[proclist->number++] = proc[i].KI_PID; + } +#endif + + return SIGAR_OK; +} + +static int sigar_get_pinfo(sigar_t *sigar, sigar_pid_t pid) +{ +#if defined(__OpenBSD__) || defined(__NetBSD__) + int mib[] = { CTL_KERN, KERN_PROC2, KERN_PROC_PID, 0, sizeof(*sigar->pinfo), 1 }; +#else + int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, 0 }; +#endif + size_t len = sizeof(*sigar->pinfo); + time_t timenow = time(NULL); + mib[3] = pid; + + if (sigar->pinfo == NULL) { + sigar->pinfo = malloc(len); + } + + if (sigar->last_pid == pid) { + if ((timenow - sigar->last_getprocs) < SIGAR_LAST_PROC_EXPIRE) { + return SIGAR_OK; + } + } + + sigar->last_pid = pid; + sigar->last_getprocs = timenow; + + if (sysctl(mib, NMIB(mib), sigar->pinfo, &len, NULL, 0) < 0) { + return errno; + } + + return SIGAR_OK; +} + +#if defined(SHARED_TEXT_REGION_SIZE) && defined(SHARED_DATA_REGION_SIZE) +# define GLOBAL_SHARED_SIZE (SHARED_TEXT_REGION_SIZE + SHARED_DATA_REGION_SIZE) /* 10.4 SDK */ +#endif + +#if defined(DARWIN) && defined(DARWIN_HAS_LIBPROC_H) && !defined(GLOBAL_SHARED_SIZE) +/* get the CPU type of the process for the given pid */ +static int sigar_proc_cpu_type(sigar_t *sigar, sigar_pid_t pid, cpu_type_t *type) +{ + int status; + int mib[CTL_MAXNAME]; + size_t len, miblen = NMIB(mib); + + status = sysctlnametomib("sysctl.proc_cputype", mib, &miblen); + if (status != SIGAR_OK) { + return status; + } + + mib[miblen] = pid; + len = sizeof(*type); + return sysctl(mib, miblen + 1, type, &len, NULL, 0); +} + +/* shared memory region size for the given cpu_type_t */ +static mach_vm_size_t sigar_shared_region_size(cpu_type_t type) +{ + switch (type) { + case CPU_TYPE_ARM: + return SHARED_REGION_SIZE_ARM; + case CPU_TYPE_POWERPC: + return SHARED_REGION_SIZE_PPC; + case CPU_TYPE_POWERPC64: + return SHARED_REGION_SIZE_PPC64; + case CPU_TYPE_I386: + return SHARED_REGION_SIZE_I386; + case CPU_TYPE_X86_64: + return SHARED_REGION_SIZE_X86_64; + default: + return SHARED_REGION_SIZE_I386; /* assume 32-bit x86|ppc */ + } +} +#endif /* DARWIN */ + +int sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_mem_t *procmem) +{ +#if defined(DARWIN) + mach_port_t task, self = mach_task_self(); + kern_return_t status; + task_basic_info_data_t info; + task_events_info_data_t events; + mach_msg_type_number_t count; +# ifdef DARWIN_HAS_LIBPROC_H + struct proc_taskinfo pti; + struct proc_regioninfo pri; + + if (sigar->libproc) { + int sz = + sigar->proc_pidinfo(pid, PROC_PIDTASKINFO, 0, &pti, sizeof(pti)); + + if (sz == sizeof(pti)) { + procmem->size = pti.pti_virtual_size; + procmem->resident = pti.pti_resident_size; + procmem->page_faults = pti.pti_faults; + procmem->minor_faults = SIGAR_FIELD_NOTIMPL; + procmem->major_faults = SIGAR_FIELD_NOTIMPL; + procmem->share = SIGAR_FIELD_NOTIMPL; + + sz = sigar->proc_pidinfo(pid, PROC_PIDREGIONINFO, 0, &pri, sizeof(pri)); + if (sz == sizeof(pri)) { + if (pri.pri_share_mode == SM_EMPTY) { + mach_vm_size_t shared_size; +#ifdef GLOBAL_SHARED_SIZE + shared_size = GLOBAL_SHARED_SIZE; /* 10.4 SDK */ +#else + cpu_type_t cpu_type; + + if (sigar_proc_cpu_type(sigar, pid, &cpu_type) == SIGAR_OK) { + shared_size = sigar_shared_region_size(cpu_type); + } + else { + shared_size = SHARED_REGION_SIZE_I386; /* assume 32-bit x86|ppc */ + } +#endif + if (procmem->size > shared_size) { + procmem->size -= shared_size; /* SIGAR-123 */ + } + } + } + return SIGAR_OK; + } + } +# endif + + status = task_for_pid(self, pid, &task); + + if (status != KERN_SUCCESS) { + return errno; + } + + count = TASK_BASIC_INFO_COUNT; + status = task_info(task, TASK_BASIC_INFO, (task_info_t)&info, &count); + if (status != KERN_SUCCESS) { + return errno; + } + + count = TASK_EVENTS_INFO_COUNT; + status = task_info(task, TASK_EVENTS_INFO, (task_info_t)&events, &count); + if (status == KERN_SUCCESS) { + procmem->page_faults = events.faults; + } + else { + procmem->page_faults = SIGAR_FIELD_NOTIMPL; + } + + procmem->minor_faults = SIGAR_FIELD_NOTIMPL; + procmem->major_faults = SIGAR_FIELD_NOTIMPL; + + if (task != self) { + mach_port_deallocate(self, task); + } + + procmem->size = info.virtual_size; + procmem->resident = info.resident_size; + procmem->share = SIGAR_FIELD_NOTIMPL; + + return SIGAR_OK; +#elif defined(__FreeBSD__) + int status = sigar_get_pinfo(sigar, pid); + bsd_pinfo_t *pinfo = sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + + procmem->size = + (pinfo->KI_TSZ + pinfo->KI_DSZ + pinfo->KI_SSZ) * sigar->pagesize; + + procmem->resident = pinfo->KI_RSS * sigar->pagesize; + + procmem->share = SIGAR_FIELD_NOTIMPL; + + procmem->page_faults = SIGAR_FIELD_NOTIMPL; + procmem->minor_faults = SIGAR_FIELD_NOTIMPL; + procmem->major_faults = SIGAR_FIELD_NOTIMPL; +#elif defined(__OpenBSD__) || defined(__NetBSD__) + int status = sigar_get_pinfo(sigar, pid); + bsd_pinfo_t *pinfo = sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + + procmem->size = + (pinfo->p_vm_tsize + pinfo->p_vm_dsize + pinfo->p_vm_ssize) * sigar->pagesize; + + procmem->resident = pinfo->p_vm_rssize * sigar->pagesize; + + procmem->share = SIGAR_FIELD_NOTIMPL; + + procmem->minor_faults = pinfo->p_uru_minflt; + procmem->major_faults = pinfo->p_uru_majflt; + procmem->page_faults = procmem->minor_faults + procmem->major_faults; +#endif + return SIGAR_OK; +} + +int sigar_proc_cred_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_cred_t *proccred) +{ + int status = sigar_get_pinfo(sigar, pid); + bsd_pinfo_t *pinfo = sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + +#if defined(__OpenBSD__) || defined(__NetBSD__) + proccred->uid = pinfo->p_ruid; + proccred->gid = pinfo->p_rgid; + proccred->euid = pinfo->p_uid; + proccred->egid = pinfo->p_gid; +#else + proccred->uid = pinfo->KI_UID; + proccred->gid = pinfo->KI_GID; + proccred->euid = pinfo->KI_EUID; + proccred->egid = pinfo->KI_EGID; +#endif + + return SIGAR_OK; +} + +#define tv2msec(tv) \ + (((sigar_uint64_t)tv.tv_sec * SIGAR_MSEC) + (((sigar_uint64_t)tv.tv_usec) / 1000)) + +#ifdef DARWIN +#define tval2msec(tval) \ + ((tval.seconds * SIGAR_MSEC) + (tval.microseconds / 1000)) + +#define tval2nsec(tval) \ + (SIGAR_SEC2NANO((tval).seconds) + SIGAR_MICROSEC2NANO((tval).microseconds)) + +static int get_proc_times(sigar_t *sigar, sigar_pid_t pid, sigar_proc_time_t *time) +{ + unsigned int count; + time_value_t utime = {0, 0}, stime = {0, 0}; + task_basic_info_data_t ti; + task_thread_times_info_data_t tti; + task_port_t task, self; + kern_return_t status; +# ifdef DARWIN_HAS_LIBPROC_H + if (sigar->libproc) { + struct proc_taskinfo pti; + int sz = + sigar->proc_pidinfo(pid, PROC_PIDTASKINFO, 0, &pti, sizeof(pti)); + + if (sz == sizeof(pti)) { + time->user = SIGAR_NSEC2MSEC(pti.pti_total_user); + time->sys = SIGAR_NSEC2MSEC(pti.pti_total_system); + time->total = time->user + time->sys; + return SIGAR_OK; + } + } +# endif + + self = mach_task_self(); + status = task_for_pid(self, pid, &task); + if (status != KERN_SUCCESS) { + return errno; + } + + count = TASK_BASIC_INFO_COUNT; + status = task_info(task, TASK_BASIC_INFO, + (task_info_t)&ti, &count); + if (status != KERN_SUCCESS) { + if (task != self) { + mach_port_deallocate(self, task); + } + return errno; + } + + count = TASK_THREAD_TIMES_INFO_COUNT; + status = task_info(task, TASK_THREAD_TIMES_INFO, + (task_info_t)&tti, &count); + if (status != KERN_SUCCESS) { + if (task != self) { + mach_port_deallocate(self, task); + } + return errno; + } + + time_value_add(&utime, &ti.user_time); + time_value_add(&stime, &ti.system_time); + time_value_add(&utime, &tti.user_time); + time_value_add(&stime, &tti.system_time); + + time->user = tval2msec(utime); + time->sys = tval2msec(stime); + time->total = time->user + time->sys; + + return SIGAR_OK; +} +#endif + +int sigar_proc_time_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_time_t *proctime) +{ +#ifdef SIGAR_FREEBSD4 + struct user user; +#endif + int status = sigar_get_pinfo(sigar, pid); + bsd_pinfo_t *pinfo = sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + +#if defined(DARWIN) + if ((status = get_proc_times(sigar, pid, proctime)) != SIGAR_OK) { + return status; + } + proctime->start_time = tv2msec(pinfo->KI_START); +#elif defined(SIGAR_FREEBSD5) + proctime->user = tv2msec(pinfo->ki_rusage.ru_utime); + proctime->sys = tv2msec(pinfo->ki_rusage.ru_stime); + proctime->total = proctime->user + proctime->sys; + proctime->start_time = tv2msec(pinfo->KI_START); +#elif defined(SIGAR_FREEBSD4) + if (!sigar->kmem) { + return SIGAR_EPERM_KMEM; + } + + status = kread(sigar, &user, sizeof(user), + (u_long)pinfo->kp_proc.p_addr); + if (status != SIGAR_OK) { + return status; + } + + proctime->user = tv2msec(user.u_stats.p_ru.ru_utime); + proctime->sys = tv2msec(user.u_stats.p_ru.ru_stime); + proctime->total = proctime->user + proctime->sys; + proctime->start_time = tv2msec(user.u_stats.p_start); +#elif defined(__OpenBSD__) || defined(__NetBSD__) + /* XXX *_usec */ + proctime->user = pinfo->p_uutime_sec * SIGAR_MSEC; + proctime->sys = pinfo->p_ustime_sec * SIGAR_MSEC; + proctime->total = proctime->user + proctime->sys; + proctime->start_time = pinfo->p_ustart_sec * SIGAR_MSEC; +#endif + + return SIGAR_OK; +} + +#ifdef DARWIN +/* thread state mapping derived from ps.tproj */ +static const char const thread_states[] = { + /*0*/ '-', + /*1*/ SIGAR_PROC_STATE_RUN, + /*2*/ SIGAR_PROC_STATE_ZOMBIE, + /*3*/ SIGAR_PROC_STATE_SLEEP, + /*4*/ SIGAR_PROC_STATE_IDLE, + /*5*/ SIGAR_PROC_STATE_STOP, + /*6*/ SIGAR_PROC_STATE_STOP, + /*7*/ '?' +}; + +static int thread_state_get(thread_basic_info_data_t *info) +{ + switch (info->run_state) { + case TH_STATE_RUNNING: + return 1; + case TH_STATE_UNINTERRUPTIBLE: + return 2; + case TH_STATE_WAITING: + return (info->sleep_time > 20) ? 4 : 3; + case TH_STATE_STOPPED: + return 5; + case TH_STATE_HALTED: + return 6; + default: + return 7; + } +} + +static int sigar_proc_threads_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_state_t *procstate) +{ + mach_port_t task, self = mach_task_self(); + kern_return_t status; + thread_array_t threads; + mach_msg_type_number_t count, i; + int state = TH_STATE_HALTED + 1; + + status = task_for_pid(self, pid, &task); + if (status != KERN_SUCCESS) { + return errno; + } + + status = task_threads(task, &threads, &count); + if (status != KERN_SUCCESS) { + return errno; + } + + procstate->threads = count; + + for (i=0; istate = thread_states[state]; + + return SIGAR_OK; +} +#endif + +int sigar_proc_state_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_state_t *procstate) +{ + int status = sigar_get_pinfo(sigar, pid); + bsd_pinfo_t *pinfo = sigar->pinfo; +#if defined(__OpenBSD__) || defined(__NetBSD__) + int state = pinfo->p_stat; +#else + int state = pinfo->KI_STAT; +#endif + + if (status != SIGAR_OK) { + return status; + } + +#if defined(__OpenBSD__) || defined(__NetBSD__) + SIGAR_SSTRCPY(procstate->name, pinfo->p_comm); + procstate->ppid = pinfo->p_ppid; + procstate->priority = pinfo->p_priority; + procstate->nice = pinfo->p_nice; + procstate->tty = pinfo->p_tdev; + procstate->threads = SIGAR_FIELD_NOTIMPL; + procstate->processor = pinfo->p_cpuid; +#else + SIGAR_SSTRCPY(procstate->name, pinfo->KI_COMM); + procstate->ppid = pinfo->KI_PPID; + procstate->priority = pinfo->KI_PRI; + procstate->nice = pinfo->KI_NICE; + procstate->tty = SIGAR_FIELD_NOTIMPL; /*XXX*/ + procstate->threads = SIGAR_FIELD_NOTIMPL; + procstate->processor = SIGAR_FIELD_NOTIMPL; +#endif + +#ifdef DARWIN + status = sigar_proc_threads_get(sigar, pid, procstate); + if (status == SIGAR_OK) { + return status; + } +#endif + + switch (state) { + case SIDL: + procstate->state = 'D'; + break; + case SRUN: +#ifdef SONPROC + case SONPROC: +#endif + procstate->state = 'R'; + break; + case SSLEEP: + procstate->state = 'S'; + break; + case SSTOP: + procstate->state = 'T'; + break; + case SZOMB: + procstate->state = 'Z'; + break; + default: + procstate->state = '?'; + break; + } + + return SIGAR_OK; +} + +#if defined(DARWIN) +typedef struct { + char *buf, *ptr, *end; + int count; +} sigar_kern_proc_args_t; + +static void sigar_kern_proc_args_destroy(sigar_kern_proc_args_t *kargs) +{ + if (kargs->buf) { + free(kargs->buf); + kargs->buf = NULL; + } +} + +/* re-usable hack for use by proc_args and proc_env */ +static int sigar_kern_proc_args_get(sigar_t *sigar, + sigar_pid_t pid, + char *exe, + sigar_kern_proc_args_t *kargs) +{ + /* + * derived from: + * http://darwinsource.opendarwin.org/10.4.1/adv_cmds-79.1/ps.tproj/print.c + */ + int mib[3], len; + size_t size = sigar_argmax_get(sigar); + + kargs->buf = malloc(size); + + mib[0] = CTL_KERN; + mib[1] = KERN_PROCARGS2; + mib[2] = pid; + + if (sysctl(mib, NMIB(mib), kargs->buf, &size, NULL, 0) < 0) { + sigar_kern_proc_args_destroy(kargs); + return errno; + } + + kargs->end = &kargs->buf[size]; + + memcpy(&kargs->count, kargs->buf, sizeof(kargs->count)); + kargs->ptr = kargs->buf + sizeof(kargs->count); + + len = strlen(kargs->ptr); + if (exe) { + memcpy(exe, kargs->ptr, len+1); + } + kargs->ptr += len+1; + + if (kargs->ptr == kargs->end) { + sigar_kern_proc_args_destroy(kargs); + return exe ? SIGAR_OK : ENOENT; + } + + for (; kargs->ptr < kargs->end; kargs->ptr++) { + if (*kargs->ptr != '\0') { + break; /* start of argv[0] */ + } + } + + if (kargs->ptr == kargs->end) { + sigar_kern_proc_args_destroy(kargs); + return exe ? SIGAR_OK : ENOENT; + } + + return SIGAR_OK; +} + +static int kern_proc_args_skip_argv(sigar_kern_proc_args_t *kargs) +{ + char *ptr = kargs->ptr; + char *end = kargs->end; + int count = kargs->count; + + /* skip over argv */ + while ((ptr < end) && (count-- > 0)) { + int alen = strlen(ptr)+1; + + ptr += alen; + } + + kargs->ptr = ptr; + kargs->end = end; + kargs->count = 0; + + if (ptr >= end) { + return ENOENT; + } + + return SIGAR_OK; +} +#endif + +int sigar_os_proc_args_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs) +{ +#if defined(DARWIN) + int status, count; + sigar_kern_proc_args_t kargs; + char *ptr, *end; + + status = sigar_kern_proc_args_get(sigar, pid, NULL, &kargs); + if (status != SIGAR_OK) { + return status; + } + + count = kargs.count; + ptr = kargs.ptr; + end = kargs.end; + + while ((ptr < end) && (count-- > 0)) { + int slen = strlen(ptr); + int alen = slen+1; + char *arg; + + /* + * trim trailing whitespace. + * seen w/ postgresql, probably related + * to messing with argv[0] + */ + while (*(ptr + (slen-1)) == ' ') { + if (--slen <= 0) { + break; + } + } + + arg = malloc(slen+1); + + SIGAR_PROC_ARGS_GROW(procargs); + memcpy(arg, ptr, slen); + *(arg+slen) = '\0'; + + procargs->data[procargs->number++] = arg; + + ptr += alen; + } + + sigar_kern_proc_args_destroy(&kargs); + return SIGAR_OK; +#elif defined(__FreeBSD__) || defined(__NetBSD__) + char buffer[SIGAR_ARG_MAX+1], *ptr=buffer; + size_t len = sizeof(buffer); +# ifdef __NetBSD__ + int mib[] = { CTL_KERN, KERN_PROC_ARGS, 0, KERN_PROC_ARGV }; + mib[2] = pid; +# else + int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_ARGS, 0 }; + mib[3] = pid; +# endif + + if (sysctl(mib, NMIB(mib), buffer, &len, NULL, 0) < 0) { + return errno; + } + + if (len == 0) { + procargs->number = 0; + return SIGAR_OK; + } + + buffer[len] = '\0'; + + while (len > 0) { + int alen = strlen(ptr)+1; + char *arg = malloc(alen); + + SIGAR_PROC_ARGS_GROW(procargs); + memcpy(arg, ptr, alen); + + procargs->data[procargs->number++] = arg; + + len -= alen; + if (len > 0) { + ptr += alen; + } + } + + return SIGAR_OK; +#elif defined(__OpenBSD__) + char buffer[SIGAR_ARG_MAX+1], **ptr=(char **)buffer; + size_t len = sizeof(buffer); + int mib[] = { CTL_KERN, KERN_PROC_ARGS, 0, KERN_PROC_ARGV }; + mib[2] = pid; + + if (sysctl(mib, NMIB(mib), buffer, &len, NULL, 0) < 0) { + return errno; + } + + if (len == 0) { + procargs->number = 0; + return SIGAR_OK; + } + + for (; *ptr; ptr++) { + int alen = strlen(*ptr)+1; + char *arg = malloc(alen); + + SIGAR_PROC_ARGS_GROW(procargs); + memcpy(arg, *ptr, alen); + + procargs->data[procargs->number++] = arg; + } + + return SIGAR_OK; +#else + return SIGAR_ENOTIMPL; +#endif +} + +int sigar_proc_env_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_env_t *procenv) +{ +#ifdef DARWIN + int status, count; + sigar_kern_proc_args_t kargs; + char *ptr, *end; + + status = sigar_kern_proc_args_get(sigar, pid, NULL, &kargs); + if (status != SIGAR_OK) { + return status; + } + + status = kern_proc_args_skip_argv(&kargs); + if (status != SIGAR_OK) { + sigar_kern_proc_args_destroy(&kargs); + return status; + } + + count = kargs.count; + ptr = kargs.ptr; + end = kargs.end; + + /* into environ */ + while (ptr < end) { + char *val = strchr(ptr, '='); + int klen, vlen, status; + char key[256]; /* XXX is there a max key size? */ + + if (val == NULL) { + /* not key=val format */ + break; + } + + klen = val - ptr; + SIGAR_SSTRCPY(key, ptr); + key[klen] = '\0'; + ++val; + + vlen = strlen(val); + status = procenv->env_getter(procenv->data, + key, klen, val, vlen); + + if (status != SIGAR_OK) { + /* not an error; just stop iterating */ + break; + } + + ptr += (klen + 1 + vlen + 1); + + if (*ptr == '\0') { + break; + } + } + + sigar_kern_proc_args_destroy(&kargs); + return SIGAR_OK; +#else + char **env; + struct kinfo_proc *pinfo; + int num; + + if (!sigar->kmem) { + return SIGAR_EPERM_KMEM; + } + + pinfo = kvm_getprocs(sigar->kmem, KERN_PROC_PID, pid, &num); + if (!pinfo || (num < 1)) { + return errno; + } + + if (!(env = kvm_getenvv(sigar->kmem, pinfo, 9086))) { + return errno; + } + + while (*env) { + char *ptr = *env++; + char *val = strchr(ptr, '='); + int klen, vlen, status; + char key[128]; /* XXX is there a max key size? */ + + if (val == NULL) { + /* not key=val format */ + procenv->env_getter(procenv->data, ptr, strlen(ptr), NULL, 0); + break; + } + + klen = val - ptr; + SIGAR_SSTRCPY(key, ptr); + key[klen] = '\0'; + ++val; + + vlen = strlen(val); + status = procenv->env_getter(procenv->data, + key, klen, val, vlen); + + if (status != SIGAR_OK) { + /* not an error; just stop iterating */ + break; + } + + ptr += (klen + 1 + vlen + 1); + } + + return SIGAR_OK; +#endif +} + +int sigar_proc_fd_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_fd_t *procfd) +{ +#ifdef __FreeBSD__ + int status; + bsd_pinfo_t *pinfo; + struct filedesc filed; +#if 0 + struct file **ofiles; + int nfiles, i; + size_t size; +#endif + if (!sigar->kmem) { + return SIGAR_EPERM_KMEM; + } + + if ((status = sigar_get_pinfo(sigar, pid)) != SIGAR_OK) { + return status; + } + pinfo = sigar->pinfo; + + status = kread(sigar, &filed, sizeof(filed), (u_long)pinfo->KI_FD); + if (status != SIGAR_OK) { + return status; + } +#if 0 + nfiles = filed.fd_lastfile+1; + size = sizeof(*ofiles) * nfiles; + ofiles = malloc(size); + status = kread(sigar, ofiles, size, (u_long)filed.fd_ofiles); + if (status != SIGAR_OK) { + free(ofiles); + return status; + } + + procfd->total = 0; + for (i=0; itotal++; + } + + free(ofiles); +#else + /* seems the same as the above */ + procfd->total = filed.fd_lastfile; +#endif + + return SIGAR_OK; +#else + return SIGAR_ENOTIMPL; +#endif +} + +int sigar_proc_exe_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_exe_t *procexe) +{ +#ifdef DARWIN + int status; + sigar_kern_proc_args_t kargs; + + status = sigar_kern_proc_args_get(sigar, pid, procexe->name, &kargs); + if (status != SIGAR_OK) { + return status; + } + + procexe->cwd[0] = '\0'; + procexe->root[0] = '\0'; + + /* attempt to determine cwd from $PWD */ + status = kern_proc_args_skip_argv(&kargs); + if (status == SIGAR_OK) { + char *ptr = kargs.ptr; + char *end = kargs.end; + + /* into environ */ + while (ptr < end) { + int len = strlen(ptr); + + if ((len > 4) && + (ptr[0] == 'P') && + (ptr[1] == 'W') && + (ptr[2] == 'D') && + (ptr[3] == '=')) + { + memcpy(procexe->cwd, ptr+4, len-3); + break; + } + + ptr += len+1; + } + } + + sigar_kern_proc_args_destroy(&kargs); + + return SIGAR_OK; +#else + int len; + char name[1024]; + + procexe->cwd[0] = '\0'; + procexe->root[0] = '\0'; + + (void)SIGAR_PROC_FILENAME(name, pid, "/file"); + + if ((len = readlink(name, procexe->name, + sizeof(procexe->name)-1)) < 0) + { + return PROCFS_STATUS(errno); + } + + procexe->name[len] = '\0'; + + return SIGAR_OK; +#endif +} + +#ifdef DARWIN +static int sigar_dlinfo_modules(sigar_t *sigar, sigar_proc_modules_t *procmods) +{ + uint32_t i, count = _dyld_image_count(); + + for (i=0; imodule_getter(procmods->data, + (char *)name, strlen(name)); + + if (status != SIGAR_OK) { + /* not an error; just stop iterating */ + break; + } + } + return SIGAR_OK; +} +#endif /* DARWIN */ + +int sigar_proc_modules_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_modules_t *procmods) +{ +#if defined(SIGAR_HAS_DLINFO_MODULES) || defined(DARWIN) + if (pid == sigar_pid_get(sigar)) { + return sigar_dlinfo_modules(sigar, procmods); + } +#endif + return SIGAR_ENOTIMPL; +} + +#define SIGAR_MICROSEC2NANO(s) \ + ((sigar_uint64_t)(s) * (sigar_uint64_t)1000) + +#define TIME_NSEC(t) \ + (SIGAR_SEC2NANO((t).tv_sec) + SIGAR_MICROSEC2NANO((t).tv_usec)) + +int sigar_thread_cpu_get(sigar_t *sigar, + sigar_uint64_t id, + sigar_thread_cpu_t *cpu) +{ +#if defined(DARWIN) + mach_port_t self = mach_thread_self(); + thread_basic_info_data_t info; + mach_msg_type_number_t count = THREAD_BASIC_INFO_COUNT; + kern_return_t status; + + status = thread_info(self, THREAD_BASIC_INFO, + (thread_info_t)&info, &count); + if (status != KERN_SUCCESS) { + return errno; + } + + mach_port_deallocate(mach_task_self(), self); + + cpu->user = tval2nsec(info.user_time); + cpu->sys = tval2nsec(info.system_time); + cpu->total = cpu->user + cpu->sys; +#elif defined(__NetBSD__) + return SIGAR_ENOTIMPL; /* http://tinyurl.com/chbvln */ +#else + /* XXX this is not per-thread, it is for the whole-process. + * just want to use for the shell time command at the moment. + */ + struct rusage usage; + getrusage(RUSAGE_SELF, &usage); + + cpu->user = TIME_NSEC(usage.ru_utime); + cpu->sys = TIME_NSEC(usage.ru_stime); + cpu->total = TIME_NSEC(usage.ru_utime) + TIME_NSEC(usage.ru_stime); +#endif + + return SIGAR_OK; +} + +int sigar_os_fs_type_get(sigar_file_system_t *fsp) +{ + char *type = fsp->sys_type_name; + + /* see sys/disklabel.h */ + switch (*type) { + case 'f': + if (strEQ(type, "ffs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'h': + if (strEQ(type, "hfs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'u': + if (strEQ(type, "ufs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + } + + return fsp->type; +} + +static void get_fs_options(char *opts, int osize, long flags) +{ + *opts = '\0'; + if (flags & MNT_RDONLY) strncat(opts, "ro", osize); + else strncat(opts, "rw", osize); + if (flags & MNT_SYNCHRONOUS) strncat(opts, ",sync", osize); + if (flags & MNT_NOEXEC) strncat(opts, ",noexec", osize); + if (flags & MNT_NOSUID) strncat(opts, ",nosuid", osize); +#ifdef MNT_NODEV + if (flags & MNT_NODEV) strncat(opts, ",nodev", osize); +#endif +#ifdef MNT_UNION + if (flags & MNT_UNION) strncat(opts, ",union", osize); +#endif + if (flags & MNT_ASYNC) strncat(opts, ",async", osize); +#ifdef MNT_NOATIME + if (flags & MNT_NOATIME) strncat(opts, ",noatime", osize); +#endif +#ifdef MNT_NOCLUSTERR + if (flags & MNT_NOCLUSTERR) strncat(opts, ",noclusterr", osize); +#endif +#ifdef MNT_NOCLUSTERW + if (flags & MNT_NOCLUSTERW) strncat(opts, ",noclusterw", osize); +#endif +#ifdef MNT_NOSYMFOLLOW + if (flags & MNT_NOSYMFOLLOW) strncat(opts, ",nosymfollow", osize); +#endif +#ifdef MNT_SUIDDIR + if (flags & MNT_SUIDDIR) strncat(opts, ",suiddir", osize); +#endif +#ifdef MNT_SOFTDEP + if (flags & MNT_SOFTDEP) strncat(opts, ",soft-updates", osize); +#endif + if (flags & MNT_LOCAL) strncat(opts, ",local", osize); + if (flags & MNT_QUOTA) strncat(opts, ",quota", osize); + if (flags & MNT_ROOTFS) strncat(opts, ",rootfs", osize); +#ifdef MNT_USER + if (flags & MNT_USER) strncat(opts, ",user", osize); +#endif +#ifdef MNT_IGNORE + if (flags & MNT_IGNORE) strncat(opts, ",ignore", osize); +#endif + if (flags & MNT_EXPORTED) strncat(opts, ",nfs", osize); +} + +#ifdef __NetBSD__ +#define sigar_statfs statvfs +#define sigar_getfsstat getvfsstat +#define sigar_f_flags f_flag +#else +#define sigar_statfs statfs +#define sigar_getfsstat getfsstat +#define sigar_f_flags f_flags +#endif + +int sigar_file_system_list_get(sigar_t *sigar, + sigar_file_system_list_t *fslist) +{ + struct sigar_statfs *fs; + int num, i; + int is_debug = SIGAR_LOG_IS_DEBUG(sigar); + long len; + + if ((num = sigar_getfsstat(NULL, 0, MNT_NOWAIT)) < 0) { + return errno; + } + + len = sizeof(*fs) * num; + fs = malloc(len); + + if ((num = sigar_getfsstat(fs, len, MNT_NOWAIT)) < 0) { + free(fs); + return errno; + } + + sigar_file_system_list_create(fslist); + + for (i=0; idata[fslist->number++]; + + SIGAR_SSTRCPY(fsp->dir_name, fs[i].f_mntonname); + SIGAR_SSTRCPY(fsp->dev_name, fs[i].f_mntfromname); + SIGAR_SSTRCPY(fsp->sys_type_name, fs[i].f_fstypename); + get_fs_options(fsp->options, sizeof(fsp->options)-1, fs[i].sigar_f_flags); + + sigar_fs_type_init(fsp); + } + + free(fs); + return SIGAR_OK; +} + +#ifdef DARWIN +#define IoStatGetValue(key, val) \ + if ((number = (CFNumberRef)CFDictionaryGetValue(stats, CFSTR(kIOBlockStorageDriverStatistics##key)))) \ + CFNumberGetValue(number, kCFNumberSInt64Type, &val) +#endif + +int sigar_disk_usage_get(sigar_t *sigar, const char *name, + sigar_disk_usage_t *disk) +{ +#if defined(DARWIN) + kern_return_t status; + io_registry_entry_t parent; + io_service_t service; + CFDictionaryRef props; + CFNumberRef number; + sigar_iodev_t *iodev = sigar_iodev_get(sigar, name); + char dname[256], *ptr; + + SIGAR_DISK_STATS_INIT(disk); + + if (!iodev) { + return ENXIO; + } + + /* "/dev/disk0s1" -> "disk0" */ /* XXX better way? */ + ptr = &iodev->name[SSTRLEN(SIGAR_DEV_PREFIX)]; + SIGAR_SSTRCPY(dname, ptr); + ptr = dname; + if (strnEQ(ptr, "disk", 4)) { + ptr += 4; + if ((ptr = strchr(ptr, 's')) && isdigit(*(ptr+1))) { + *ptr = '\0'; + } + } + + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[disk_usage] map %s -> %s", + iodev->name, dname); + } + + /* e.g. name == "disk0" */ + service = IOServiceGetMatchingService(kIOMasterPortDefault, + IOBSDNameMatching(kIOMasterPortDefault, 0, dname)); + + if (!service) { + return errno; + } + + status = IORegistryEntryGetParentEntry(service, kIOServicePlane, &parent); + if (status != KERN_SUCCESS) { + IOObjectRelease(service); + return status; + } + + status = IORegistryEntryCreateCFProperties(parent, + (CFMutableDictionaryRef *)&props, + kCFAllocatorDefault, + kNilOptions); + if (props) { + CFDictionaryRef stats = + (CFDictionaryRef)CFDictionaryGetValue(props, + CFSTR(kIOBlockStorageDriverStatisticsKey)); + + if (stats) { + IoStatGetValue(ReadsKey, disk->reads); + IoStatGetValue(BytesReadKey, disk->read_bytes); + IoStatGetValue(TotalReadTimeKey, disk->rtime); + IoStatGetValue(WritesKey, disk->writes); + IoStatGetValue(BytesWrittenKey, disk->write_bytes); + IoStatGetValue(TotalWriteTimeKey, disk->wtime); + disk->time = disk->rtime + disk->wtime; + } + + CFRelease(props); + } + + IOObjectRelease(service); + IOObjectRelease(parent); + + return SIGAR_OK; +#elif defined(__FreeBSD__) + /* XXX incomplete */ + struct sigar_statfs buf; + + if (sigar_statfs(name, &buf) < 0) { + return errno; + } + + SIGAR_DISK_STATS_INIT(disk); + + disk->reads = buf.f_syncreads + buf.f_asyncreads; + disk->writes = buf.f_syncwrites + buf.f_asyncwrites; + return SIGAR_OK; +#else + SIGAR_DISK_STATS_INIT(disk); + return SIGAR_ENOTIMPL; +#endif +} + +int sigar_file_system_usage_get(sigar_t *sigar, + const char *dirname, + sigar_file_system_usage_t *fsusage) +{ + int status = sigar_statvfs(sigar, dirname, fsusage); + + if (status != SIGAR_OK) { + return status; + } + + fsusage->use_percent = sigar_file_system_usage_calc_used(sigar, fsusage); + + sigar_disk_usage_get(sigar, dirname, &fsusage->disk); + + return SIGAR_OK; +} + +#ifdef DARWIN +#define CTL_HW_FREQ_MAX "hw.cpufrequency_max" +#define CTL_HW_FREQ_MIN "hw.cpufrequency_min" +#else +/* XXX FreeBSD 5.x+ only? */ +#define CTL_HW_FREQ "machdep.tsc_freq" +#endif + +int sigar_cpu_info_list_get(sigar_t *sigar, + sigar_cpu_info_list_t *cpu_infos) +{ + int i; + unsigned int mhz, mhz_min, mhz_max; + int cache_size=SIGAR_FIELD_NOTIMPL; + size_t size; + char model[128], vendor[128], *ptr; + + size = sizeof(mhz); + + (void)sigar_cpu_core_count(sigar); + +#if defined(DARWIN) + { + int mib[] = { CTL_HW, HW_CPU_FREQ }; + size = sizeof(mhz); + if (sysctl(mib, NMIB(mib), &mhz, &size, NULL, 0) < 0) { + mhz = SIGAR_FIELD_NOTIMPL; + } + } + if (sysctlbyname(CTL_HW_FREQ_MAX, &mhz_max, &size, NULL, 0) < 0) { + mhz_max = SIGAR_FIELD_NOTIMPL; + } + if (sysctlbyname(CTL_HW_FREQ_MIN, &mhz_min, &size, NULL, 0) < 0) { + mhz_min = SIGAR_FIELD_NOTIMPL; + } +#elif defined(__FreeBSD__) + if (sysctlbyname(CTL_HW_FREQ, &mhz, &size, NULL, 0) < 0) { + mhz = SIGAR_FIELD_NOTIMPL; + } + /* TODO */ + mhz_max = SIGAR_FIELD_NOTIMPL; + mhz_min = SIGAR_FIELD_NOTIMPL; +#else + /*XXX OpenBSD*/ + mhz = SIGAR_FIELD_NOTIMPL; + mhz_max = SIGAR_FIELD_NOTIMPL; + mhz_min = SIGAR_FIELD_NOTIMPL; +#endif + + if (mhz != SIGAR_FIELD_NOTIMPL) { + mhz /= 1000000; + } + if (mhz_max != SIGAR_FIELD_NOTIMPL) { + mhz_max /= 1000000; + } + if (mhz_min != SIGAR_FIELD_NOTIMPL) { + mhz_min /= 1000000; + } + + size = sizeof(model); +#ifdef __OpenBSD__ + if (1) { +#else + if (sysctlbyname("hw.model", &model, &size, NULL, 0) < 0) { +#endif + int mib[] = { CTL_HW, HW_MODEL }; + size = sizeof(model); + if (sysctl(mib, NMIB(mib), &model[0], &size, NULL, 0) < 0) { +#ifdef DARWIN + strcpy(model, "powerpc"); +#else + strcpy(model, "Unknown"); +#endif + } + } + + if (mhz == SIGAR_FIELD_NOTIMPL) { + /* freebsd4 */ + mhz = sigar_cpu_mhz_from_model(model); + } + /* XXX not sure */ + if (mhz_max == SIGAR_FIELD_NOTIMPL) { + mhz_max = 0; + } + if (mhz_min == SIGAR_FIELD_NOTIMPL) { + mhz_min = 0; + } + + +#ifdef DARWIN + size = sizeof(vendor); + if (sysctlbyname("machdep.cpu.vendor", &vendor, &size, NULL, 0) < 0) { + SIGAR_SSTRCPY(vendor, "Apple"); + } + else { + /* GenuineIntel -> Intel */ + if (strstr(vendor, "Intel")) { + SIGAR_SSTRCPY(vendor, "Intel"); + } + } +#endif + + if ((ptr = strchr(model, ' '))) { + if (strstr(model, "Intel")) { + SIGAR_SSTRCPY(vendor, "Intel"); + } + else if (strstr(model, "AMD")) { + SIGAR_SSTRCPY(vendor, "AMD"); + } + else { + SIGAR_SSTRCPY(vendor, "Unknown"); + } + SIGAR_SSTRCPY(model, ptr+1); + } + +#ifdef DARWIN + { + int mib[] = { CTL_HW, HW_L2CACHESIZE }; /* in bytes */ + size = sizeof(cache_size); + if (sysctl(mib, NMIB(mib), &cache_size, &size, NULL, 0) < 0) { + cache_size = SIGAR_FIELD_NOTIMPL; + } + else { + cache_size /= 1024; /* convert to KB */ + } + } +#endif + + sigar_cpu_info_list_create(cpu_infos); + + for (i=0; incpu; i++) { + sigar_cpu_info_t *info; + + SIGAR_CPU_INFO_LIST_GROW(cpu_infos); + + info = &cpu_infos->data[cpu_infos->number++]; + + SIGAR_SSTRCPY(info->vendor, vendor); + SIGAR_SSTRCPY(info->model, model); + sigar_cpu_model_adjust(sigar, info); + + info->mhz = mhz; + info->mhz_max = mhz_max; + info->mhz_min = mhz_min; + info->cache_size = cache_size; + info->total_cores = sigar->ncpu; + info->cores_per_socket = sigar->lcpu; + info->total_sockets = sigar_cpu_socket_count(sigar); + } + + return SIGAR_OK; +} + +#define rt_s_addr(sa) ((struct sockaddr_in *)(sa))->sin_addr.s_addr + +#ifndef SA_SIZE +#define SA_SIZE(sa) \ + ( (!(sa) || ((struct sockaddr *)(sa))->sa_len == 0) ? \ + sizeof(long) : \ + 1 + ( (((struct sockaddr *)(sa))->sa_len - 1) | (sizeof(long) - 1) ) ) +#endif + +int sigar_net_route_list_get(sigar_t *sigar, + sigar_net_route_list_t *routelist) +{ + size_t needed; + int bit; + char *buf, *next, *lim; + struct rt_msghdr *rtm; + int mib[6] = { CTL_NET, PF_ROUTE, 0, 0, NET_RT_DUMP, 0 }; + + if (sysctl(mib, NMIB(mib), NULL, &needed, NULL, 0) < 0) { + return errno; + } +#if __FreeBSD_version >= 800000 + if (needed == 0) { + return SIGAR_ENOTIMPL; /*XXX hoping this is an 8.0beta bug*/ + } +#endif + buf = malloc(needed); + + if (sysctl(mib, NMIB(mib), buf, &needed, NULL, 0) < 0) { + free(buf); + return errno; + } + + sigar_net_route_list_create(routelist); + + lim = buf + needed; + for (next = buf; next < lim; next += rtm->rtm_msglen) { + struct sockaddr *sa; + sigar_net_route_t *route; + rtm = (struct rt_msghdr *)next; + + if (rtm->rtm_type != RTM_GET) { + continue; + } + + sa = (struct sockaddr *)(rtm + 1); + + if (sa->sa_family != AF_INET) { + continue; + } + + SIGAR_NET_ROUTE_LIST_GROW(routelist); + route = &routelist->data[routelist->number++]; + SIGAR_ZERO(route); + + route->flags = rtm->rtm_flags; + if_indextoname(rtm->rtm_index, route->ifname); + + for (bit=RTA_DST; + bit && ((char *)sa < lim); + bit <<= 1) + { + if ((rtm->rtm_addrs & bit) == 0) { + continue; + } + switch (bit) { + case RTA_DST: + sigar_net_address_set(route->destination, + rt_s_addr(sa)); + break; + case RTA_GATEWAY: + if (sa->sa_family == AF_INET) { + sigar_net_address_set(route->gateway, + rt_s_addr(sa)); + } + break; + case RTA_NETMASK: + sigar_net_address_set(route->mask, + rt_s_addr(sa)); + break; + case RTA_IFA: + break; + } + + sa = (struct sockaddr *)((char *)sa + SA_SIZE(sa)); + } + } + + free(buf); + + return SIGAR_OK; +} + +typedef enum { + IFMSG_ITER_LIST, + IFMSG_ITER_GET +} ifmsg_iter_e; + +typedef struct { + const char *name; + ifmsg_iter_e type; + union { + sigar_net_interface_list_t *iflist; + struct if_msghdr *ifm; + } data; +} ifmsg_iter_t; + +static int sigar_ifmsg_init(sigar_t *sigar) +{ + int mib[] = { CTL_NET, PF_ROUTE, 0, AF_INET, NET_RT_IFLIST, 0 }; + size_t len; + + if (sysctl(mib, NMIB(mib), NULL, &len, NULL, 0) < 0) { + return errno; + } + + if (sigar->ifconf_len < len) { + sigar->ifconf_buf = realloc(sigar->ifconf_buf, len); + sigar->ifconf_len = len; + } + + if (sysctl(mib, NMIB(mib), sigar->ifconf_buf, &len, NULL, 0) < 0) { + return errno; + } + + return SIGAR_OK; +} + +/** + * @param name name of the interface + * @param name_len length of name (w/o \0) + */ +static int has_ifaddr(char *name, size_t name_len) +{ + int sock, status; + struct ifreq ifr; + + if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { + return errno; + } + strncpy(ifr.ifr_name, name, MIN(sizeof(ifr.ifr_name) - 1, name_len)); + ifr.ifr_name[MIN(sizeof(ifr.ifr_name) - 1, name_len)] = '\0'; + if (ioctl(sock, SIOCGIFADDR, &ifr) == 0) { + status = SIGAR_OK; + } + else { + status = errno; + } + + close(sock); + return status; +} + +static int sigar_ifmsg_iter(sigar_t *sigar, ifmsg_iter_t *iter) +{ + char *end = sigar->ifconf_buf + sigar->ifconf_len; + char *ptr = sigar->ifconf_buf; + + if (iter->type == IFMSG_ITER_LIST) { + sigar_net_interface_list_create(iter->data.iflist); + } + + while (ptr < end) { + char *name; + struct sockaddr_dl *sdl; + struct if_msghdr *ifm = (struct if_msghdr *)ptr; + + if (ifm->ifm_type != RTM_IFINFO) { + break; + } + + ptr += ifm->ifm_msglen; + + while (ptr < end) { + struct if_msghdr *next = (struct if_msghdr *)ptr; + + if (next->ifm_type != RTM_NEWADDR) { + break; + } + + ptr += next->ifm_msglen; + } + + sdl = (struct sockaddr_dl *)(ifm + 1); + if (sdl->sdl_family != AF_LINK) { + continue; + } + + switch (iter->type) { + case IFMSG_ITER_LIST: + if (sdl->sdl_type == IFT_OTHER) { + if (has_ifaddr(sdl->sdl_data, sdl->sdl_nlen) != SIGAR_OK) { + break; + } + } + else if (!((sdl->sdl_type == IFT_ETHER) || + (sdl->sdl_type == IFT_LOOP))) + { + break; /* XXX deal w/ other weirdo interfaces */ + } + + SIGAR_NET_IFLIST_GROW(iter->data.iflist); + + /* sdl_data doesn't include a trailing \0, it is only sdl_nlen long */ + name = malloc(sdl->sdl_nlen+1); + memcpy(name, sdl->sdl_data, sdl->sdl_nlen); + name[sdl->sdl_nlen] = '\0'; /* add the missing \0 */ + + iter->data.iflist->data[iter->data.iflist->number++] = name; + break; + + case IFMSG_ITER_GET: + if (strlen(iter->name) == sdl->sdl_nlen && 0 == memcmp(iter->name, sdl->sdl_data, sdl->sdl_nlen)) { + iter->data.ifm = ifm; + return SIGAR_OK; + } + } + } + + switch (iter->type) { + case IFMSG_ITER_LIST: + return SIGAR_OK; + + case IFMSG_ITER_GET: + default: + return ENXIO; + } +} + +int sigar_net_interface_list_get(sigar_t *sigar, + sigar_net_interface_list_t *iflist) +{ + int status; + ifmsg_iter_t iter; + + if ((status = sigar_ifmsg_init(sigar)) != SIGAR_OK) { + return status; + } + + iter.type = IFMSG_ITER_LIST; + iter.data.iflist = iflist; + + return sigar_ifmsg_iter(sigar, &iter); +} + +#include + +/* in6_prefixlen derived from freebsd/sbin/ifconfig/af_inet6.c */ +static int sigar_in6_prefixlen(struct sockaddr *netmask) +{ + struct in6_addr *addr = SIGAR_SIN6_ADDR(netmask); + u_char *name = (u_char *)addr; + int size = sizeof(*addr); + int byte, bit, plen = 0; + + for (byte = 0; byte < size; byte++, plen += 8) { + if (name[byte] != 0xff) { + break; + } + } + if (byte == size) { + return plen; + } + for (bit = 7; bit != 0; bit--, plen++) { + if (!(name[byte] & (1 << bit))) { + break; + } + } + for (; bit != 0; bit--) { + if (name[byte] & (1 << bit)) { + return 0; + } + } + byte++; + for (; byte < size; byte++) { + if (name[byte]) { + return 0; + } + } + return plen; +} + +int sigar_net_interface_ipv6_config_get(sigar_t *sigar, const char *name, + sigar_net_interface_config_t *ifconfig) +{ + int status = SIGAR_ENOENT; + struct ifaddrs *addrs, *ifa; + + if (getifaddrs(&addrs) != 0) { + return errno; + } + + for (ifa=addrs; ifa; ifa=ifa->ifa_next) { + if (ifa->ifa_addr && + (ifa->ifa_addr->sa_family == AF_INET6) && + strEQ(ifa->ifa_name, name)) + { + status = SIGAR_OK; + break; + } + } + + if (status == SIGAR_OK) { + struct in6_addr *addr = SIGAR_SIN6_ADDR(ifa->ifa_addr); + + sigar_net_address6_set(ifconfig->address6, addr); + sigar_net_interface_scope6_set(ifconfig, addr); + ifconfig->prefix6_length = sigar_in6_prefixlen(ifa->ifa_netmask); + } + + freeifaddrs(addrs); + + return status; +} + +int sigar_net_interface_config_get(sigar_t *sigar, const char *name, + sigar_net_interface_config_t *ifconfig) +{ + int sock; + int status; + ifmsg_iter_t iter; + struct if_msghdr *ifm; + struct sockaddr_dl *sdl; + struct ifreq ifr; + + if (!name) { + return sigar_net_interface_config_primary_get(sigar, ifconfig); + } + + if (sigar->ifconf_len == 0) { + if ((status = sigar_ifmsg_init(sigar)) != SIGAR_OK) { + return status; + } + } + + SIGAR_ZERO(ifconfig); + + iter.type = IFMSG_ITER_GET; + iter.name = name; + + if ((status = sigar_ifmsg_iter(sigar, &iter)) != SIGAR_OK) { + return status; + } + + if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { + return errno; + } + + ifm = iter.data.ifm; + + SIGAR_SSTRCPY(ifconfig->name, name); + + sdl = (struct sockaddr_dl *)(ifm + 1); + + sigar_net_address_mac_set(ifconfig->hwaddr, + LLADDR(sdl), + sdl->sdl_alen); + + ifconfig->flags = ifm->ifm_flags; + ifconfig->mtu = ifm->ifm_data.ifi_mtu; + ifconfig->metric = ifm->ifm_data.ifi_metric; + + SIGAR_SSTRCPY(ifr.ifr_name, name); + +#define ifr_s_addr(ifr) \ + ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr.s_addr + + if (!ioctl(sock, SIOCGIFADDR, &ifr)) { + sigar_net_address_set(ifconfig->address, + ifr_s_addr(ifr)); + } + + if (!ioctl(sock, SIOCGIFNETMASK, &ifr)) { + sigar_net_address_set(ifconfig->netmask, + ifr_s_addr(ifr)); + } + + if (ifconfig->flags & IFF_LOOPBACK) { + sigar_net_address_set(ifconfig->destination, + ifconfig->address.addr.in); + sigar_net_address_set(ifconfig->broadcast, 0); + SIGAR_SSTRCPY(ifconfig->type, + SIGAR_NIC_LOOPBACK); + } + else { + if (!ioctl(sock, SIOCGIFDSTADDR, &ifr)) { + sigar_net_address_set(ifconfig->destination, + ifr_s_addr(ifr)); + } + + if (!ioctl(sock, SIOCGIFBRDADDR, &ifr)) { + sigar_net_address_set(ifconfig->broadcast, + ifr_s_addr(ifr)); + } + SIGAR_SSTRCPY(ifconfig->type, + SIGAR_NIC_ETHERNET); + } + + close(sock); + + /* XXX can we get a better description like win32? */ + SIGAR_SSTRCPY(ifconfig->description, + ifconfig->name); + + sigar_net_interface_ipv6_config_init(ifconfig); + sigar_net_interface_ipv6_config_get(sigar, name, ifconfig); + + return SIGAR_OK; +} + +int sigar_net_interface_stat_get(sigar_t *sigar, const char *name, + sigar_net_interface_stat_t *ifstat) +{ + int status; + ifmsg_iter_t iter; + struct if_msghdr *ifm; + + if ((status = sigar_ifmsg_init(sigar)) != SIGAR_OK) { + return status; + } + + iter.type = IFMSG_ITER_GET; + iter.name = name; + + if ((status = sigar_ifmsg_iter(sigar, &iter)) != SIGAR_OK) { + return status; + } + + ifm = iter.data.ifm; + + ifstat->rx_bytes = ifm->ifm_data.ifi_ibytes; + ifstat->rx_packets = ifm->ifm_data.ifi_ipackets; + ifstat->rx_errors = ifm->ifm_data.ifi_ierrors; + ifstat->rx_dropped = ifm->ifm_data.ifi_iqdrops; + ifstat->rx_overruns = SIGAR_FIELD_NOTIMPL; + ifstat->rx_frame = SIGAR_FIELD_NOTIMPL; + + ifstat->tx_bytes = ifm->ifm_data.ifi_obytes; + ifstat->tx_packets = ifm->ifm_data.ifi_opackets; + ifstat->tx_errors = ifm->ifm_data.ifi_oerrors; + ifstat->tx_collisions = ifm->ifm_data.ifi_collisions; + ifstat->tx_dropped = SIGAR_FIELD_NOTIMPL; + ifstat->tx_overruns = SIGAR_FIELD_NOTIMPL; + ifstat->tx_carrier = SIGAR_FIELD_NOTIMPL; + + ifstat->speed = ifm->ifm_data.ifi_baudrate; + + return SIGAR_OK; +} + +static int net_connection_state_get(int state) +{ + switch (state) { + case TCPS_CLOSED: + return SIGAR_TCP_CLOSE; + case TCPS_LISTEN: + return SIGAR_TCP_LISTEN; + case TCPS_SYN_SENT: + return SIGAR_TCP_SYN_SENT; + case TCPS_SYN_RECEIVED: + return SIGAR_TCP_SYN_RECV; + case TCPS_ESTABLISHED: + return SIGAR_TCP_ESTABLISHED; + case TCPS_CLOSE_WAIT: + return SIGAR_TCP_CLOSE_WAIT; + case TCPS_FIN_WAIT_1: + return SIGAR_TCP_FIN_WAIT1; + case TCPS_CLOSING: + return SIGAR_TCP_CLOSING; + case TCPS_LAST_ACK: + return SIGAR_TCP_LAST_ACK; + case TCPS_FIN_WAIT_2: + return SIGAR_TCP_FIN_WAIT2; + case TCPS_TIME_WAIT: + return SIGAR_TCP_TIME_WAIT; + default: + return SIGAR_TCP_UNKNOWN; + } +} + +#if defined(__OpenBSD__) || defined(__NetBSD__) +static int net_connection_get(sigar_net_connection_walker_t *walker, int proto) +{ + int status; + int istcp = 0, type; + int flags = walker->flags; + struct inpcbtable table; + struct inpcb *head, *next, *prev; + sigar_t *sigar = walker->sigar; + u_long offset; + + switch (proto) { + case IPPROTO_TCP: + offset = sigar->koffsets[KOFFSET_TCBTABLE]; + istcp = 1; + type = SIGAR_NETCONN_TCP; + break; + case IPPROTO_UDP: + default: + return SIGAR_ENOTIMPL; + } + + + status = kread(sigar, &table, sizeof(table), offset); + + if (status != SIGAR_OK) { + return status; + } + + prev = head = + (struct inpcb *)&CIRCLEQ_FIRST(&((struct inpcbtable *)offset)->inpt_queue); + + next = (struct inpcb *)CIRCLEQ_FIRST(&table.inpt_queue); + + while (next != head) { + struct inpcb inpcb; + struct tcpcb tcpcb; + struct socket socket; + + status = kread(sigar, &inpcb, sizeof(inpcb), (long)next); + prev = next; + next = (struct inpcb *)CIRCLEQ_NEXT(&inpcb, inp_queue); + + kread(sigar, &socket, sizeof(socket), (u_long)inpcb.inp_socket); + + if ((((flags & SIGAR_NETCONN_SERVER) && socket.so_qlimit) || + ((flags & SIGAR_NETCONN_CLIENT) && !socket.so_qlimit))) + { + sigar_net_connection_t conn; + + SIGAR_ZERO(&conn); + + if (istcp) { + kread(sigar, &tcpcb, sizeof(tcpcb), (u_long)inpcb.inp_ppcb); + } + +#ifdef __NetBSD__ + if (inpcb.inp_af == AF_INET6) { + /*XXX*/ + continue; + } +#else + if (inpcb.inp_flags & INP_IPV6) { + sigar_net_address6_set(conn.local_address, + &inpcb.inp_laddr6.s6_addr); + + sigar_net_address6_set(conn.remote_address, + &inpcb.inp_faddr6.s6_addr); + } +#endif + else { + sigar_net_address_set(conn.local_address, + inpcb.inp_laddr.s_addr); + + sigar_net_address_set(conn.remote_address, + inpcb.inp_faddr.s_addr); + } + + conn.local_port = ntohs(inpcb.inp_lport); + conn.remote_port = ntohs(inpcb.inp_fport); + conn.receive_queue = socket.so_rcv.sb_cc; + conn.send_queue = socket.so_snd.sb_cc; + conn.uid = socket.so_pgid; + conn.type = type; + + if (!istcp) { + conn.state = SIGAR_TCP_UNKNOWN; + if (walker->add_connection(walker, &conn) != SIGAR_OK) { + break; + } + continue; + } + + conn.state = net_connection_state_get(tcpcb.t_state); + + if (walker->add_connection(walker, &conn) != SIGAR_OK) { + break; + } + } + } + + return SIGAR_OK; +} +#else +static int net_connection_get(sigar_net_connection_walker_t *walker, int proto) +{ + int flags = walker->flags; + int type, istcp = 0; + char *buf; + const char *mibvar; + struct tcpcb *tp = NULL; + struct inpcb *inp; + struct xinpgen *xig, *oxig; + struct xsocket *so; + size_t len; + + switch (proto) { + case IPPROTO_TCP: + mibvar = "net.inet.tcp.pcblist"; + istcp = 1; + type = SIGAR_NETCONN_TCP; + break; + case IPPROTO_UDP: + mibvar = "net.inet.udp.pcblist"; + type = SIGAR_NETCONN_UDP; + break; + default: + mibvar = "net.inet.raw.pcblist"; + type = SIGAR_NETCONN_RAW; + break; + } + + len = 0; + if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { + return errno; + } + if ((buf = malloc(len)) == 0) { + return errno; + } + if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { + free(buf); + return errno; + } + + oxig = xig = (struct xinpgen *)buf; + for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); + xig->xig_len > sizeof(struct xinpgen); + xig = (struct xinpgen *)((char *)xig + xig->xig_len)) + { + if (istcp) { + struct xtcpcb *cb = (struct xtcpcb *)xig; + tp = &cb->xt_tp; + inp = &cb->xt_inp; + so = &cb->xt_socket; + } + else { + struct xinpcb *cb = (struct xinpcb *)xig; + inp = &cb->xi_inp; + so = &cb->xi_socket; + } + + if (so->xso_protocol != proto) { + continue; + } + + if (inp->inp_gencnt > oxig->xig_gen) { + continue; + } + + if ((((flags & SIGAR_NETCONN_SERVER) && so->so_qlimit) || + ((flags & SIGAR_NETCONN_CLIENT) && !so->so_qlimit))) + { + sigar_net_connection_t conn; + + SIGAR_ZERO(&conn); + + if (inp->inp_vflag & INP_IPV6) { + sigar_net_address6_set(conn.local_address, + &inp->in6p_laddr.s6_addr); + + sigar_net_address6_set(conn.remote_address, + &inp->in6p_faddr.s6_addr); + } + else { + sigar_net_address_set(conn.local_address, + inp->inp_laddr.s_addr); + + sigar_net_address_set(conn.remote_address, + inp->inp_faddr.s_addr); + } + + conn.local_port = ntohs(inp->inp_lport); + conn.remote_port = ntohs(inp->inp_fport); + conn.receive_queue = so->so_rcv.sb_cc; + conn.send_queue = so->so_snd.sb_cc; + conn.uid = so->so_pgid; + conn.type = type; + + if (!istcp) { + conn.state = SIGAR_TCP_UNKNOWN; + if (walker->add_connection(walker, &conn) != SIGAR_OK) { + break; + } + continue; + } + + conn.state = net_connection_state_get(tp->t_state); + + if (walker->add_connection(walker, &conn) != SIGAR_OK) { + break; + } + } + } + + free(buf); + + return SIGAR_OK; +} +#endif + +int sigar_net_connection_walk(sigar_net_connection_walker_t *walker) +{ + int flags = walker->flags; + int status; + + if (flags & SIGAR_NETCONN_TCP) { + status = net_connection_get(walker, IPPROTO_TCP); + if (status != SIGAR_OK) { + return status; + } + } + if (flags & SIGAR_NETCONN_UDP) { + status = net_connection_get(walker, IPPROTO_UDP); + if (status != SIGAR_OK) { + return status; + } + } + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) +sigar_tcp_get(sigar_t *sigar, + sigar_tcp_t *tcp) +{ + struct tcpstat mib; +#if !defined(TCPCTL_STATS) && (defined(__OpenBSD__) || defined(__NetBSD__)) + int status = + kread(sigar, &mib, sizeof(mib), + sigar->koffsets[KOFFSET_TCPSTAT]); + if (status != SIGAR_OK) { + return status; + } +#else + int var[4] = { CTL_NET, PF_INET, IPPROTO_TCP, TCPCTL_STATS }; + size_t len = sizeof(mib); + + if (sysctl(var, NMIB(var), &mib, &len, NULL, 0) < 0) { + return errno; + } +#endif + + tcp->active_opens = mib.tcps_connattempt; + tcp->passive_opens = mib.tcps_accepts; + tcp->attempt_fails = mib.tcps_conndrops; + tcp->estab_resets = mib.tcps_drops; + if (sigar_tcp_curr_estab(sigar, tcp) != SIGAR_OK) { + tcp->curr_estab = -1; + } + tcp->in_segs = mib.tcps_rcvtotal; + tcp->out_segs = mib.tcps_sndtotal - mib.tcps_sndrexmitpack; + tcp->retrans_segs = mib.tcps_sndrexmitpack; + tcp->in_errs = + mib.tcps_rcvbadsum + + mib.tcps_rcvbadoff + + mib.tcps_rcvmemdrop + + mib.tcps_rcvshort; + tcp->out_rsts = -1; /* XXX mib.tcps_sndctrl - mib.tcps_closed; ? */ + + return SIGAR_OK; +} + +#ifndef SIGAR_FREEBSD5_NFSSTAT +static int get_nfsstats(struct nfsstats *stats) +{ + size_t len = sizeof(*stats); + int mib[] = { CTL_VFS, 2, NFS_NFSSTATS }; + + if (sysctl(mib, NMIB(mib), stats, &len, NULL, 0) < 0) { + return errno; + } + else { + return SIGAR_OK; + } +} +#endif + +#if defined(__OpenBSD__) +typedef uint64_t rpc_cnt_t; +#else +typedef int rpc_cnt_t; +#endif + +static void map_nfs_stats(sigar_nfs_v3_t *nfs, rpc_cnt_t *rpc) +{ + nfs->null = rpc[NFSPROC_NULL]; + nfs->getattr = rpc[NFSPROC_GETATTR]; + nfs->setattr = rpc[NFSPROC_SETATTR]; + nfs->lookup = rpc[NFSPROC_LOOKUP]; + nfs->access = rpc[NFSPROC_ACCESS]; + nfs->readlink = rpc[NFSPROC_READLINK]; + nfs->read = rpc[NFSPROC_READ]; + nfs->write = rpc[NFSPROC_WRITE]; + nfs->create = rpc[NFSPROC_CREATE]; + nfs->mkdir = rpc[NFSPROC_MKDIR]; + nfs->symlink = rpc[NFSPROC_SYMLINK]; + nfs->mknod = rpc[NFSPROC_MKNOD]; + nfs->remove = rpc[NFSPROC_REMOVE]; + nfs->rmdir = rpc[NFSPROC_RMDIR]; + nfs->rename = rpc[NFSPROC_RENAME]; + nfs->link = rpc[NFSPROC_LINK]; + nfs->readdir = rpc[NFSPROC_READDIR]; + nfs->readdirplus = rpc[NFSPROC_READDIRPLUS]; + nfs->fsstat = rpc[NFSPROC_FSSTAT]; + nfs->fsinfo = rpc[NFSPROC_FSINFO]; + nfs->pathconf = rpc[NFSPROC_PATHCONF]; + nfs->commit = rpc[NFSPROC_COMMIT]; +} + +int sigar_nfs_client_v2_get(sigar_t *sigar, + sigar_nfs_client_v2_t *nfs) +{ + return SIGAR_ENOTIMPL; +} + +int sigar_nfs_server_v2_get(sigar_t *sigar, + sigar_nfs_server_v2_t *nfs) +{ + return SIGAR_ENOTIMPL; +} + +int sigar_nfs_client_v3_get(sigar_t *sigar, + sigar_nfs_client_v3_t *nfs) +{ +#ifdef SIGAR_FREEBSD5_NFSSTAT + struct nfsstats stats; + size_t size = sizeof(stats); + + if (sysctlbyname("vfs.nfs.nfsstats", &stats, &size, NULL, 0) == -1) { + return errno; + } + + map_nfs_stats((sigar_nfs_v3_t *)nfs, &stats.rpccnt[0]); +#else + int status; + struct nfsstats stats; + + if ((status = get_nfsstats(&stats)) != SIGAR_OK) { + return status; + } + + map_nfs_stats((sigar_nfs_v3_t *)nfs, &stats.rpccnt[0]); +#endif + + return SIGAR_OK; +} + +int sigar_nfs_server_v3_get(sigar_t *sigar, + sigar_nfs_server_v3_t *nfs) +{ +#ifdef SIGAR_FREEBSD5_NFSSTAT + struct nfsrvstats stats; + size_t size = sizeof(stats); + + if (sysctlbyname("vfs.nfsrv.nfsrvstats", &stats, &size, NULL, 0) == -1) { + return errno; + } + + map_nfs_stats((sigar_nfs_v3_t *)nfs, &stats.srvrpccnt[0]); +#else + int status; + struct nfsstats stats; + + if ((status = get_nfsstats(&stats)) != SIGAR_OK) { + return status; + } + + map_nfs_stats((sigar_nfs_v3_t *)nfs, &stats.srvrpccnt[0]); +#endif + + return SIGAR_OK; +} + +static char *get_hw_type(int type) +{ + switch (type) { + case IFT_ETHER: + return "ether"; + case IFT_ISO88025: + return "tr"; + case IFT_FDDI: + return "fddi"; + case IFT_ATM: + return "atm"; + case IFT_L2VLAN: + return "vlan"; + case IFT_IEEE1394: + return "firewire"; +#ifdef IFT_BRIDGE + case IFT_BRIDGE: + return "bridge"; +#endif + default: + return "unknown"; + } +} + +int sigar_arp_list_get(sigar_t *sigar, + sigar_arp_list_t *arplist) +{ + size_t needed; + char *lim, *buf, *next; + struct rt_msghdr *rtm; + struct sockaddr_inarp *sin; + struct sockaddr_dl *sdl; + int mib[] = { CTL_NET, PF_ROUTE, 0, AF_INET, NET_RT_FLAGS, RTF_LLINFO }; + + if (sysctl(mib, NMIB(mib), NULL, &needed, NULL, 0) < 0) { + return errno; + } + + if (needed == 0) { /* empty cache */ + return 0; + } + + buf = malloc(needed); + + if (sysctl(mib, NMIB(mib), buf, &needed, NULL, 0) < 0) { + free(buf); + return errno; + } + + sigar_arp_list_create(arplist); + + lim = buf + needed; + for (next = buf; next < lim; next += rtm->rtm_msglen) { + sigar_arp_t *arp; + + SIGAR_ARP_LIST_GROW(arplist); + arp = &arplist->data[arplist->number++]; + + rtm = (struct rt_msghdr *)next; + sin = (struct sockaddr_inarp *)(rtm + 1); + sdl = (struct sockaddr_dl *)((char *)sin + SA_SIZE(sin)); + + sigar_net_address_set(arp->address, sin->sin_addr.s_addr); + sigar_net_address_mac_set(arp->hwaddr, LLADDR(sdl), sdl->sdl_alen); + if_indextoname(sdl->sdl_index, arp->ifname); + arp->flags = rtm->rtm_flags; + + SIGAR_SSTRCPY(arp->type, get_hw_type(sdl->sdl_type)); + } + + free(buf); + + return SIGAR_OK; +} + +#if defined(__FreeBSD__) && /*XXX*/ (__FreeBSD_version < 800000) + +#define _KERNEL +#include +#undef _KERNEL + +/* derived from + * /usr/ports/security/pidentd/work/pidentd-3.0.16/src/k_freebsd2.c + */ +int sigar_proc_port_get(sigar_t *sigar, int protocol, + unsigned long port, sigar_pid_t *pid) +{ + struct nlist nl[2]; + struct inpcbhead tcb; + struct socket *sockp = NULL; + struct kinfo_proc *pinfo; + struct inpcb *head, pcbp; + int i, nentries, status; + + if (protocol != SIGAR_NETCONN_TCP) { + return SIGAR_ENOTIMPL; + } + + if (!sigar->kmem) { + return SIGAR_EPERM_KMEM; + } + + nl[0].n_name = "_tcb"; /* XXX cache */ + nl[1].n_name = ""; + if (kvm_nlist(sigar->kmem, nl) < 0) { + return errno; + } + + status = kread(sigar, &tcb, sizeof(tcb), nl[0].n_value); + if (status != SIGAR_OK) { + return status; + } + + for (head = tcb.lh_first; head != NULL; + head = pcbp.inp_list.le_next) + { + status = kread(sigar, &pcbp, sizeof(pcbp), (long)head); + if (status != SIGAR_OK) { + return status; + } + if (!(pcbp.inp_vflag & INP_IPV4)) { + continue; + } + if (pcbp.inp_fport != 0) { + continue; + } + if (ntohs(pcbp.inp_lport) == port) { + sockp = pcbp.inp_socket; + break; + } + } + + if (!sockp) { + return ENOENT; + } + + pinfo = kvm_getprocs(sigar->kmem, KERN_PROC_PROC, 0, &nentries); + if (!pinfo) { + return errno; + } + + for (i=0; ilibproc) { + return SIGAR_ENOTIMPL; + } + + status = sigar_proc_list_get(sigar, &pids); + if (status != SIGAR_OK) { + return status; + } + + for (i=0; iifconf_buf; + + for (n=0; nproc_fdtype != PROX_FDTYPE_SOCKET) { + continue; + } + rsize = sigar->proc_pidfdinfo(pids.data[i], fdp->proc_fd, + PROC_PIDFDSOCKETINFO, &si, sizeof(si)); + if (rsize != sizeof(si)) { + continue; + } + if (si.psi.soi_kind != SOCKINFO_TCP) { + continue; + } + if (si.psi.soi_proto.pri_tcp.tcpsi_state != TSI_S_LISTEN) { + continue; + } + family = si.psi.soi_family; + if (!((family == AF_INET) || (family == AF_INET6))) { + continue; + } + lport = ntohs(si.psi.soi_proto.pri_tcp.tcpsi_ini.insi_lport); + if (lport == port) { + *pid = pids.data[i]; + found = 1; + break; + } + } + } + + sigar_proc_list_destroy(sigar, &pids); + + return found ? SIGAR_OK : ENOENT; +} + +#else + +int sigar_proc_port_get(sigar_t *sigar, int protocol, + unsigned long port, sigar_pid_t *pid) +{ + return SIGAR_ENOTIMPL; +} + +#endif + +int sigar_os_sys_info_get(sigar_t *sigar, + sigar_sys_info_t *sysinfo) +{ +#ifdef DARWIN + char *codename = NULL; + SInt32 version, version_major, version_minor, version_fix; + + SIGAR_SSTRCPY(sysinfo->name, "MacOSX"); + SIGAR_SSTRCPY(sysinfo->vendor_name, "Mac OS X"); + SIGAR_SSTRCPY(sysinfo->vendor, "Apple"); + + if (Gestalt(gestaltSystemVersion, &version) == noErr) { + if (version >= 0x00001040) { + Gestalt('sys1' /*gestaltSystemVersionMajor*/, &version_major); + Gestalt('sys2' /*gestaltSystemVersionMinor*/, &version_minor); + Gestalt('sys3' /*gestaltSystemVersionBugFix*/, &version_fix); + } + else { + version_fix = version & 0xf; + version >>= 4; + version_minor = version & 0xf; + version >>= 4; + version_major = version - (version >> 4) * 6; + } + } + else { + return SIGAR_ENOTIMPL; + } + + snprintf(sysinfo->vendor_version, + sizeof(sysinfo->vendor_version), + "%d.%d", + (int)version_major, (int)version_minor); + + snprintf(sysinfo->version, + sizeof(sysinfo->version), + "%s.%d", + sysinfo->vendor_version, (int)version_fix); + + if (version_major == 10) { + switch (version_minor) { + case 2: + codename = "Jaguar"; + break; + case 3: + codename = "Panther"; + break; + case 4: + codename = "Tiger"; + break; + case 5: + codename = "Leopard"; + break; + case 6: + codename = "Snow Leopard"; + break; + case 7: + codename = "Lion"; + break; + default: + codename = "Unknown"; + break; + } + } + else { + return SIGAR_ENOTIMPL; + } + + SIGAR_SSTRCPY(sysinfo->vendor_code_name, codename); + + snprintf(sysinfo->description, + sizeof(sysinfo->description), + "%s %s", + sysinfo->vendor_name, sysinfo->vendor_code_name); +#else + char *ptr; + +#if defined(__FreeBSD__) + SIGAR_SSTRCPY(sysinfo->name, "FreeBSD"); +#elif defined(__OpenBSD__) + SIGAR_SSTRCPY(sysinfo->name, "OpenBSD"); +#elif defined(__NetBSD__) + SIGAR_SSTRCPY(sysinfo->name, "NetBSD"); +#else + SIGAR_SSTRCPY(sysinfo->name, "Unknown"); +#endif + SIGAR_SSTRCPY(sysinfo->vendor_name, sysinfo->name); + SIGAR_SSTRCPY(sysinfo->vendor, sysinfo->name); + SIGAR_SSTRCPY(sysinfo->vendor_version, + sysinfo->version); + + if ((ptr = strstr(sysinfo->vendor_version, "-"))) { + /* STABLE, RELEASE, CURRENT */ + *ptr++ = '\0'; + SIGAR_SSTRCPY(sysinfo->vendor_code_name, ptr); + } + + snprintf(sysinfo->description, + sizeof(sysinfo->description), + "%s %s", + sysinfo->name, sysinfo->version); +#endif + + return SIGAR_OK; +} diff --git a/vendor/sigar/src/os/darwin/sigar_os.h b/vendor/sigar/src/os/darwin/sigar_os.h new file mode 100644 index 0000000..ee00100 --- /dev/null +++ b/vendor/sigar/src/os/darwin/sigar_os.h @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2004-2006, 2008 Hyperic, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SIGAR_OS_H +#define SIGAR_OS_H +#ifdef __APPLE__ +#define DARWIN +#endif + +#ifdef DARWIN +/// Added to allow this code to compile with gcc4.7 vs Apple's built in compiler. +#define __private_extern__ extern + + + + +#include +#include +#ifdef DARWIN_HAS_LIBPROC_H +#include +#include +typedef int (*proc_pidinfo_func_t)(int, int, uint64_t, void *, int); +typedef int (*proc_pidfdinfo_func_t)(int, int, int, void *, int); +#endif +#else +#include +#endif + +#ifdef __NetBSD__ +#include +#endif +#include + +enum { + KOFFSET_CPUINFO, + KOFFSET_VMMETER, +#if defined(__OpenBSD__) || defined(__NetBSD__) + KOFFSET_TCPSTAT, + KOFFSET_TCBTABLE, +#endif + KOFFSET_MAX +}; + +#if defined(__OpenBSD__) || defined(__NetBSD__) +typedef struct kinfo_proc2 bsd_pinfo_t; +#else +typedef struct kinfo_proc bsd_pinfo_t; +#endif + +struct sigar_t { + SIGAR_T_BASE; + int pagesize; + time_t last_getprocs; + sigar_pid_t last_pid; + bsd_pinfo_t *pinfo; + int lcpu; + size_t argmax; +#ifdef DARWIN + mach_port_t mach_port; +# ifdef DARWIN_HAS_LIBPROC_H + void *libproc; + proc_pidinfo_func_t proc_pidinfo; + proc_pidfdinfo_func_t proc_pidfdinfo; +# endif +#else + kvm_t *kmem; + /* offsets for seeking on kmem */ + unsigned long koffsets[KOFFSET_MAX]; + int proc_mounted; +#endif +}; + +#define SIGAR_EPERM_KMEM (SIGAR_OS_START_ERROR+EACCES) +#define SIGAR_EPROC_NOENT (SIGAR_OS_START_ERROR+2) + +#endif /* SIGAR_OS_H */ diff --git a/vendor/sigar/src/os/hpux/hpux_sigar.c b/vendor/sigar/src/os/hpux/hpux_sigar.c new file mode 100644 index 0000000..f7a7adc --- /dev/null +++ b/vendor/sigar/src/os/hpux/hpux_sigar.c @@ -0,0 +1,1342 @@ +/* + * Copyright (c) 2004-2009 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2009-2010 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_util.h" +#include "sigar_os.h" + +#include +#include +#ifndef __ia64__ +#include +#endif +#include +#include +#include + +#ifdef _PSTAT64 +typedef int64_t pstat_int_t; +#else +typedef int32_t pstat_int_t; +#endif + +int sigar_os_open(sigar_t **sigar) +{ + *sigar = malloc(sizeof(**sigar)); + + /* does not change while system is running */ + pstat_getstatic(&(*sigar)->pstatic, + sizeof((*sigar)->pstatic), + 1, 0); + + (*sigar)->ticks = sysconf(_SC_CLK_TCK); + + (*sigar)->last_pid = -1; + + (*sigar)->pinfo = NULL; + + (*sigar)->mib = -1; + + return SIGAR_OK; + +} + +int sigar_os_close(sigar_t *sigar) +{ + if (sigar->pinfo) { + free(sigar->pinfo); + } + if (sigar->mib >= 0) { + close_mib(sigar->mib); + } + free(sigar); + return SIGAR_OK; +} + +char *sigar_os_error_string(sigar_t *sigar, int err) +{ + return NULL; +} + +int sigar_mem_get(sigar_t *sigar, sigar_mem_t *mem) +{ + struct pst_dynamic stats; + struct pst_vminfo vminfo; + sigar_uint64_t pagesize = sigar->pstatic.page_size; + sigar_uint64_t kern; + + mem->total = sigar->pstatic.physical_memory * pagesize; + + pstat_getdynamic(&stats, sizeof(stats), 1, 0); + + mem->free = stats.psd_free * pagesize; + mem->used = mem->total - mem->free; + + pstat_getvminfo(&vminfo, sizeof(vminfo), 1, 0); + + /* "kernel dynamic memory" */ + kern = vminfo.psv_kern_dynmem * pagesize; + mem->actual_free = mem->free + kern; + mem->actual_used = mem->used - kern; + + sigar_mem_calc_ram(sigar, mem); + + return SIGAR_OK; +} + +int sigar_swap_get(sigar_t *sigar, sigar_swap_t *swap) +{ + struct pst_swapinfo swapinfo; + struct pst_vminfo vminfo; + int i=0; + + swap->total = swap->free = 0; + + while (pstat_getswap(&swapinfo, sizeof(swapinfo), 1, i++) > 0) { + swapinfo.pss_nfpgs *= 4; /* nfpgs is in 512 byte blocks */ + + if (swapinfo.pss_nblksenabled == 0) { + swapinfo.pss_nblksenabled = swapinfo.pss_nfpgs; + } + + swap->total += swapinfo.pss_nblksenabled; + swap->free += swapinfo.pss_nfpgs; + } + + swap->used = swap->total - swap->free; + + pstat_getvminfo(&vminfo, sizeof(vminfo), 1, 0); + + swap->page_in = vminfo.psv_spgin; + swap->page_out = vminfo.psv_spgout; + + return SIGAR_OK; +} + +static void get_cpu_metrics(sigar_t *sigar, + sigar_cpu_t *cpu, + pstat_int_t *cpu_time) +{ + cpu->user = SIGAR_TICK2MSEC(cpu_time[CP_USER]); + + cpu->sys = SIGAR_TICK2MSEC(cpu_time[CP_SYS] + + cpu_time[CP_SSYS]); + + cpu->nice = SIGAR_TICK2MSEC(cpu_time[CP_NICE]); + + cpu->idle = SIGAR_TICK2MSEC(cpu_time[CP_IDLE]); + + cpu->wait = SIGAR_TICK2MSEC(cpu_time[CP_SWAIT] + + cpu_time[CP_BLOCK]); + + cpu->irq = SIGAR_TICK2MSEC(cpu_time[CP_INTR]); + cpu->soft_irq = 0; /*N/A*/ + cpu->stolen = 0; /*N/A*/ + + cpu->total = + cpu->user + cpu->sys + cpu->nice + cpu->idle + cpu->wait + cpu->irq; +} + +int sigar_cpu_get(sigar_t *sigar, sigar_cpu_t *cpu) +{ + struct pst_dynamic stats; + + pstat_getdynamic(&stats, sizeof(stats), 1, 0); + sigar->ncpu = stats.psd_proc_cnt; + + get_cpu_metrics(sigar, cpu, stats.psd_cpu_time); + + return SIGAR_OK; +} + +int sigar_cpu_list_get(sigar_t *sigar, sigar_cpu_list_t *cpulist) +{ + int i; + struct pst_dynamic stats; + + pstat_getdynamic(&stats, sizeof(stats), 1, 0); + sigar->ncpu = stats.psd_proc_cnt; + + sigar_cpu_list_create(cpulist); + + for (i=0; incpu; i++) { + sigar_cpu_t *cpu; + struct pst_processor proc; + + if (pstat_getprocessor(&proc, sizeof(proc), 1, i) < 0) { + continue; + } + + SIGAR_CPU_LIST_GROW(cpulist); + + cpu = &cpulist->data[cpulist->number++]; + + get_cpu_metrics(sigar, cpu, proc.psp_cpu_time); + } + + return SIGAR_OK; +} + +int sigar_uptime_get(sigar_t *sigar, + sigar_uptime_t *uptime) +{ + uptime->uptime = time(NULL) - sigar->pstatic.boot_time; + + return SIGAR_OK; +} + +int sigar_loadavg_get(sigar_t *sigar, + sigar_loadavg_t *loadavg) +{ + struct pst_dynamic stats; + + pstat_getdynamic(&stats, sizeof(stats), 1, 0); + + loadavg->loadavg[0] = stats.psd_avg_1_min; + loadavg->loadavg[1] = stats.psd_avg_5_min; + loadavg->loadavg[2] = stats.psd_avg_15_min; + + return SIGAR_OK; +} + +#define PROC_ELTS 16 + +int sigar_os_proc_list_get(sigar_t *sigar, + sigar_proc_list_t *proclist) +{ + int num, idx=0; + struct pst_status proctab[PROC_ELTS]; + + while ((num = pstat_getproc(proctab, sizeof(proctab[0]), + PROC_ELTS, idx)) > 0) + { + int i; + + for (i=0; idata[proclist->number++] = + proctab[i].pst_pid; + } + + idx = proctab[num-1].pst_idx + 1; + } + + if (proclist->number == 0) { + return errno; + } + + return SIGAR_OK; +} + +static int sigar_pstat_getproc(sigar_t *sigar, sigar_pid_t pid) +{ + int status, num; + time_t timenow = time(NULL); + + if (sigar->pinfo == NULL) { + sigar->pinfo = malloc(sizeof(*sigar->pinfo)); + } + + if (sigar->last_pid == pid) { + if ((timenow - sigar->last_getprocs) < SIGAR_LAST_PROC_EXPIRE) { + return SIGAR_OK; + } + } + + sigar->last_pid = pid; + sigar->last_getprocs = timenow; + + if (pstat_getproc(sigar->pinfo, + sizeof(*sigar->pinfo), + 0, pid) == -1) + { + return errno; + } + + return SIGAR_OK; +} + +int sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_mem_t *procmem) +{ + int pagesize = sigar->pstatic.page_size; + int status = sigar_pstat_getproc(sigar, pid); + struct pst_status *pinfo = sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + + procmem->size = + pinfo->pst_vtsize + /* text */ + pinfo->pst_vdsize + /* data */ + pinfo->pst_vssize + /* stack */ + pinfo->pst_vshmsize + /* shared memory */ + pinfo->pst_vmmsize + /* mem-mapped files */ + pinfo->pst_vusize + /* U-Area & K-Stack */ + pinfo->pst_viosize; /* I/O dev mapping */ + + procmem->size *= pagesize; + + procmem->resident = pinfo->pst_rssize * pagesize; + + procmem->share = pinfo->pst_vshmsize * pagesize; + + procmem->minor_faults = pinfo->pst_minorfaults; + procmem->major_faults = pinfo->pst_majorfaults; + procmem->page_faults = + procmem->minor_faults + + procmem->major_faults; + + return SIGAR_OK; +} + +int sigar_proc_cred_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_cred_t *proccred) +{ + int status = sigar_pstat_getproc(sigar, pid); + struct pst_status *pinfo = sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + + proccred->uid = pinfo->pst_uid; + proccred->gid = pinfo->pst_gid; + proccred->euid = pinfo->pst_euid; + proccred->egid = pinfo->pst_egid; + + return SIGAR_OK; +} + +int sigar_proc_time_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_time_t *proctime) +{ + int status = sigar_pstat_getproc(sigar, pid); + struct pst_status *pinfo = sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + + proctime->start_time = pinfo->pst_start; + proctime->start_time *= SIGAR_MSEC; + proctime->user = pinfo->pst_utime * SIGAR_MSEC; + proctime->sys = pinfo->pst_stime * SIGAR_MSEC; + proctime->total = proctime->user + proctime->sys; + + return SIGAR_OK; +} + +int sigar_proc_state_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_state_t *procstate) +{ + int status = sigar_pstat_getproc(sigar, pid); + struct pst_status *pinfo = sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + + + SIGAR_SSTRCPY(procstate->name, pinfo->pst_ucomm); + procstate->ppid = pinfo->pst_ppid; + procstate->tty = makedev(pinfo->pst_term.psd_major, + pinfo->pst_term.psd_minor); + procstate->priority = pinfo->pst_pri; + procstate->nice = pinfo->pst_nice; + procstate->threads = pinfo->pst_nlwps; + procstate->processor = pinfo->pst_procnum; + + /* cast to prevent compiler warning: */ + /* Case label too big for the type of the switch expression */ + switch ((int32_t)pinfo->pst_stat) { + case PS_SLEEP: + procstate->state = 'S'; + break; + case PS_RUN: + procstate->state = 'R'; + break; + case PS_STOP: + procstate->state = 'T'; + break; + case PS_ZOMBIE: + procstate->state = 'Z'; + break; + case PS_IDLE: + procstate->state = 'D'; + break; + } + + return SIGAR_OK; +} + +int sigar_os_proc_args_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs) +{ + char *args, *arg; +#ifdef PSTAT_GETCOMMANDLINE + char buf[1024]; /* kernel limit */ + +# ifdef pstat_getcommandline /* 11i v2 + */ + if (pstat_getcommandline(buf, sizeof(buf), sizeof(buf[0]), pid) == -1) { + return errno; + } +# else + union pstun pu; + + pu.pst_command = buf; + if (pstat(PSTAT_GETCOMMANDLINE, pu, sizeof(buf), sizeof(buf[0]), pid) == -1) { + return errno; + } +# endif /* pstat_getcommandline */ + + args = buf; +#else + struct pst_status status; + + if (pstat_getproc(&status, sizeof(status), 0, pid) == -1) { + return errno; + } + + args = status.pst_cmd; +#endif + + while (*args && (arg = sigar_getword(&args, ' '))) { + SIGAR_PROC_ARGS_GROW(procargs); + procargs->data[procargs->number++] = arg; + } + + return SIGAR_OK; +} + +int sigar_proc_env_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_env_t *procenv) +{ + return SIGAR_ENOTIMPL; +} + +int sigar_proc_fd_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_fd_t *procfd) +{ + struct pst_status status; + int idx=0, n; + struct pst_fileinfo2 psf[16]; + + procfd->total = 0; + + if (pstat_getproc(&status, sizeof(status), 0, pid) == -1) { + return errno; + } + + /* HPUX 11.31 removed the deprecated pstat_getfile call */ + while ((n = pstat_getfile2(psf, sizeof(psf[0]), + sizeof(psf)/sizeof(psf[0]), + idx, pid)) > 0) + { + procfd->total += n; + idx = psf[n-1].psf_fd + 1; + } + + if (n == -1) { + return errno; + } + + return SIGAR_OK; +} + +int sigar_proc_exe_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_exe_t *procexe) +{ +#ifdef __pst_fid /* 11.11+ */ + int rc; + struct pst_status status; + + if (pstat_getproc(&status, sizeof(status), 0, pid) == -1) { + return errno; + } + + rc = pstat_getpathname(procexe->cwd, + sizeof(procexe->cwd), + &status.pst_fid_cdir); + if (rc == -1) { + return errno; + } + + rc = pstat_getpathname(procexe->name, + sizeof(procexe->name), + &status.pst_fid_text); + if (rc == -1) { + return errno; + } + + rc = pstat_getpathname(procexe->root, + sizeof(procexe->root), + &status.pst_fid_rdir); + if (rc == -1) { + return errno; + } + + return SIGAR_OK; +#else + return SIGAR_ENOTIMPL; /* 11.00 */ +#endif +} + +int sigar_proc_modules_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_modules_t *procmods) +{ + return SIGAR_ENOTIMPL; +} + +#define TIME_NSEC(t) \ + (SIGAR_SEC2NANO((t).tv_sec) + (sigar_uint64_t)(t).tv_nsec) + +int sigar_thread_cpu_get(sigar_t *sigar, + sigar_uint64_t id, + sigar_thread_cpu_t *cpu) +{ +#ifdef __ia64__ + /* XXX seems _lwp funcs were for solaris compat and dont exist + * on itanium. hp docs claim that have equiv functions, + * but wtf is it for _lwp_info? + */ + return SIGAR_ENOTIMPL; +#else + struct lwpinfo info; + + if (id != 0) { + return SIGAR_ENOTIMPL; + } + + _lwp_info(&info); + + cpu->user = TIME_NSEC(info.lwp_utime); + cpu->sys = TIME_NSEC(info.lwp_stime); + cpu->total = TIME_NSEC(info.lwp_utime) + TIME_NSEC(info.lwp_stime); + + return SIGAR_OK; +#endif +} + +#include + +int sigar_os_fs_type_get(sigar_file_system_t *fsp) +{ + char *type = fsp->sys_type_name; + + switch (*type) { + case 'h': + if (strEQ(type, "hfs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'c': + if (strEQ(type, "cdfs")) { + fsp->type = SIGAR_FSTYPE_CDROM; + } + break; + } + + return fsp->type; +} + +int sigar_file_system_list_get(sigar_t *sigar, + sigar_file_system_list_t *fslist) +{ + struct mntent *ent; + + FILE *fp; + sigar_file_system_t *fsp; + + if (!(fp = setmntent(MNT_MNTTAB, "r"))) { + return errno; + } + + sigar_file_system_list_create(fslist); + + while ((ent = getmntent(fp))) { + if ((*(ent->mnt_type) == 's') && + strEQ(ent->mnt_type, "swap")) + { + /* + * in this case, devname == "...", for + * which statfs chokes on. so skip it. + * also notice hpux df command has no swap info. + */ + continue; + } + + SIGAR_FILE_SYSTEM_LIST_GROW(fslist); + + fsp = &fslist->data[fslist->number++]; + + SIGAR_SSTRCPY(fsp->dir_name, ent->mnt_dir); + SIGAR_SSTRCPY(fsp->dev_name, ent->mnt_fsname); + SIGAR_SSTRCPY(fsp->sys_type_name, ent->mnt_type); + SIGAR_SSTRCPY(fsp->options, ent->mnt_opts); + sigar_fs_type_init(fsp); + } + + endmntent(fp); + + return SIGAR_OK; +} + +static int create_fsdev_cache(sigar_t *sigar) +{ + sigar_file_system_list_t fslist; + int i; + int status = + sigar_file_system_list_get(sigar, &fslist); + + if (status != SIGAR_OK) { + return status; + } + + sigar->fsdev = sigar_cache_new(15); + + for (i=0; itype == SIGAR_FSTYPE_LOCAL_DISK) { + sigar_cache_entry_t *ent; + struct stat sb; + + if (stat(fsp->dir_name, &sb) < 0) { + continue; + } + + ent = sigar_cache_get(sigar->fsdev, SIGAR_FSDEV_ID(sb)); + ent->value = strdup(fsp->dev_name); + } + } + + return SIGAR_OK; +} + +int sigar_disk_usage_get(sigar_t *sigar, const char *name, + sigar_disk_usage_t *usage) +{ + return SIGAR_ENOTIMPL; +} + +int sigar_file_system_usage_get(sigar_t *sigar, + const char *dirname, + sigar_file_system_usage_t *fsusage) +{ + struct stat sb; + int status = sigar_statvfs(sigar, dirname, fsusage); + + if (status != SIGAR_OK) { + return status; + } + + fsusage->use_percent = sigar_file_system_usage_calc_used(sigar, fsusage); + + SIGAR_DISK_STATS_INIT(&fsusage->disk); + + if (!sigar->fsdev) { + if (create_fsdev_cache(sigar) != SIGAR_OK) { + return SIGAR_OK; + } + } + + if (stat(dirname, &sb) == 0) { + sigar_cache_entry_t *ent; + struct pst_lvinfo lv; + struct stat devsb; + char *devname; + int retval; + + ent = sigar_cache_get(sigar->fsdev, SIGAR_FSDEV_ID(sb)); + if (ent->value == NULL) { + return SIGAR_OK; + } + + if (stat((char *)ent->value, &devsb) < 0) { + return SIGAR_OK; + } + + retval = pstat_getlv(&lv, sizeof(lv), 0, (int)devsb.st_rdev); + + if (retval == 1) { + fsusage->disk.reads = lv.psl_rxfer; + fsusage->disk.writes = lv.psl_wxfer; + fsusage->disk.read_bytes = lv.psl_rcount; + fsusage->disk.write_bytes = lv.psl_wcount; + fsusage->disk.queue = SIGAR_FIELD_NOTIMPL; + } + } + + return SIGAR_OK; +} + +int sigar_cpu_info_list_get(sigar_t *sigar, + sigar_cpu_info_list_t *cpu_infos) +{ + int i; + struct pst_dynamic stats; + + pstat_getdynamic(&stats, sizeof(stats), 1, 0); + sigar->ncpu = stats.psd_proc_cnt; + + sigar_cpu_info_list_create(cpu_infos); + + for (i=0; incpu; i++) { + sigar_cpu_info_t *info; + struct pst_processor proc; + + if (pstat_getprocessor(&proc, sizeof(proc), 1, i) < 0) { + perror("pstat_getprocessor"); + continue; + } + + SIGAR_CPU_INFO_LIST_GROW(cpu_infos); + + info = &cpu_infos->data[cpu_infos->number++]; + + info->total_cores = sigar->ncpu; + info->cores_per_socket = 1; /*XXX*/ + info->total_sockets = sigar->ncpu; /*XXX*/ + +#ifdef __ia64__ + SIGAR_SSTRCPY(info->vendor, "Intel"); /*XXX*/ + SIGAR_SSTRCPY(info->model, "Itanium"); /*XXX*/ +#else + SIGAR_SSTRCPY(info->vendor, "HP"); /*XXX*/ + SIGAR_SSTRCPY(info->model, "PA RISC"); /*XXX*/ +#endif +#ifdef PSP_MAX_CACHE_LEVELS /* 11.31+; see SIGAR-196 */ + info->mhz = proc.psp_cpu_frequency / 1000000; +#else + info->mhz = sigar->ticks * proc.psp_iticksperclktick / 1000000; +#endif + info->cache_size = SIGAR_FIELD_NOTIMPL; /*XXX*/ + } + + return SIGAR_OK; +} + +static int sigar_get_mib_info(sigar_t *sigar, + struct nmparms *parms) +{ + if (sigar->mib < 0) { + if ((sigar->mib = open_mib("/dev/ip", O_RDONLY, 0, 0)) < 0) { + return errno; + } + } + return get_mib_info(sigar->mib, parms); +} + +/* wrapper around get_physical_stat() */ +static int sigar_get_physical_stat(sigar_t *sigar, int *count) +{ + int status; + unsigned int len; + struct nmparms parms; + + len = sizeof(*count); + parms.objid = ID_ifNumber; + parms.buffer = count; + parms.len = &len; + + if ((status = sigar_get_mib_info(sigar, &parms)) != SIGAR_OK) { + return status; + } + + len = sizeof(nmapi_phystat) * *count; + + if (sigar->ifconf_len < len) { + sigar->ifconf_buf = realloc(sigar->ifconf_buf, len); + sigar->ifconf_len = len; + } + + if (get_physical_stat(sigar->ifconf_buf, &len) < 0) { + return errno; + } + else { + return SIGAR_OK; + } +} + +#define SIGAR_IF_NAMESIZE 16 +/* hpux if_indextoname() does not work as advertised in 11.11 */ +static int sigar_if_indextoname(sigar_t *sigar, + char *name, + int index) +{ + int i, status, count; + nmapi_phystat *stat; + + if ((status = sigar_get_physical_stat(sigar, &count) != SIGAR_OK)) { + return status; + } + + for (i=0, stat = (nmapi_phystat *)sigar->ifconf_buf; + iif_entry.ifIndex == index) { + strncpy(name, stat->nm_device, SIGAR_IF_NAMESIZE); + return SIGAR_OK; + } + } + + return ENXIO; +} + +int sigar_net_route_list_get(sigar_t *sigar, + sigar_net_route_list_t *routelist) +{ + int status, count, i; + unsigned int len; + struct nmparms parms; + mib_ipRouteEnt *routes; + sigar_net_route_t *route; + + len = sizeof(count); + parms.objid = ID_ipRouteNumEnt; + parms.buffer = &count; + parms.len = &len; + + if ((status = sigar_get_mib_info(sigar, &parms)) != SIGAR_OK) { + return status; + } + + len = count * sizeof(*routes); + routes = malloc(len); + + parms.objid = ID_ipRouteTable; + parms.buffer = routes; + parms.len = &len; + + if ((status = sigar_get_mib_info(sigar, &parms)) != SIGAR_OK) { + free(routes); + return status; + } + + routelist->size = routelist->number = 0; + + sigar_net_route_list_create(routelist); + + for (i=0; idata[routelist->number++]; + SIGAR_ZERO(route); /* XXX: other fields */ + + sigar_net_address_set(route->destination, + ent->Dest); + + sigar_net_address_set(route->mask, + ent->Mask); + + sigar_net_address_set(route->gateway, + ent->NextHop); + + sigar_if_indextoname(sigar, route->ifname, ent->IfIndex); + + route->flags = SIGAR_RTF_UP; + if ((ent->Dest == 0) && + (ent->Mask == 0)) + { + route->flags |= SIGAR_RTF_GATEWAY; + } + } + + free(routes); + + return SIGAR_OK; +} + +static int get_mib_ifstat(sigar_t *sigar, + const char *name, + mib_ifEntry *mib) +{ + int i, status, count; + nmapi_phystat *stat; + + if ((status = sigar_get_physical_stat(sigar, &count) != SIGAR_OK)) { + return status; + } + + for (i=0, stat = (nmapi_phystat *)sigar->ifconf_buf; + inm_device, name)) { + memcpy(mib, &stat->if_entry, sizeof(*mib)); + return SIGAR_OK; + } + } + + return ENXIO; +} + +int sigar_net_interface_stat_get(sigar_t *sigar, const char *name, + sigar_net_interface_stat_t *ifstat) +{ + int status; + mib_ifEntry mib; + + status = get_mib_ifstat(sigar, name, &mib); + + if (status != SIGAR_OK) { + return status; + } + + ifstat->rx_bytes = mib.ifInOctets; + ifstat->rx_packets = mib.ifInUcastPkts + mib.ifInNUcastPkts; + ifstat->rx_errors = mib.ifInErrors; + ifstat->rx_dropped = mib.ifInDiscards; + ifstat->rx_overruns = SIGAR_FIELD_NOTIMPL; + ifstat->rx_frame = SIGAR_FIELD_NOTIMPL; + + ifstat->tx_bytes = mib.ifOutOctets; + ifstat->tx_packets = mib.ifOutUcastPkts + mib.ifOutNUcastPkts; + ifstat->tx_errors = mib.ifOutErrors; + ifstat->tx_dropped = mib.ifOutDiscards; + ifstat->tx_overruns = SIGAR_FIELD_NOTIMPL; + ifstat->tx_collisions = SIGAR_FIELD_NOTIMPL; + ifstat->tx_carrier = SIGAR_FIELD_NOTIMPL; + + ifstat->speed = mib.ifSpeed; + + return SIGAR_OK; +} + +int sigar_net_interface_ipv6_config_get(sigar_t *sigar, const char *name, + sigar_net_interface_config_t *ifconfig) +{ + int sock; + struct if_laddrreq iflr; + + if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { + return errno; + } + + SIGAR_SSTRCPY(iflr.iflr_name, name); + + if (ioctl(sock, SIOCGLIFADDR, &iflr) == 0) { + struct in6_addr *addr = SIGAR_SIN6_ADDR(&iflr.iflr_addr); + + sigar_net_address6_set(ifconfig->address6, addr); + sigar_net_interface_scope6_set(ifconfig, addr); + + if (ioctl(sock, SIOCGLIFNETMASK, &iflr) == 0) { + addr = SIGAR_SIN6_ADDR(&iflr.iflr_addr); + ifconfig->prefix6_length = 10; /*XXX*/ + } + } + + close(sock); + return SIGAR_OK; +} + +static int net_conn_get_udp_listen(sigar_net_connection_walker_t *walker) +{ + sigar_t *sigar = walker->sigar; + int flags = walker->flags; + int status, count, i; + unsigned int len; + mib_udpLsnEnt *entries; + struct nmparms parms; + + len = sizeof(count); + parms.objid = ID_udpLsnNumEnt; + parms.buffer = &count; + parms.len = &len; + + if ((status = sigar_get_mib_info(sigar, &parms)) != SIGAR_OK) { + return status; + } + + if (count <= 0) { + return ENOENT; + } + + len = count * sizeof(*entries); + entries = malloc(len); + parms.objid = ID_udpLsnTable; + parms.buffer = entries; + parms.len = &len; + + if ((status = sigar_get_mib_info(sigar, &parms)) != SIGAR_OK) { + free(entries); + return status; + } + + for (i=0; iLocalPort; + conn.remote_port = 0; + + sigar_net_address_set(conn.local_address, + entry->LocalAddress); + + sigar_net_address_set(conn.remote_address, 0); + + conn.send_queue = conn.receive_queue = SIGAR_FIELD_NOTIMPL; + + if (walker->add_connection(walker, &conn) != SIGAR_OK) { + break; + } + } + + free(entries); + return SIGAR_OK; +} + +static int net_conn_get_udp(sigar_net_connection_walker_t *walker) +{ + int status = SIGAR_OK; + + if (walker->flags & SIGAR_NETCONN_SERVER) { + status = net_conn_get_udp_listen(walker); + } + + return status; +} + +#define IS_TCP_SERVER(state, flags) \ + ((flags & SIGAR_NETCONN_SERVER) && (state == TCLISTEN)) + +#define IS_TCP_CLIENT(state, flags) \ + ((flags & SIGAR_NETCONN_CLIENT) && (state != TCLISTEN)) + +static int net_conn_get_tcp(sigar_net_connection_walker_t *walker) +{ + sigar_t *sigar = walker->sigar; + int flags = walker->flags; + int status, count, i; + unsigned int len; + mib_tcpConnEnt *entries; + struct nmparms parms; + + len = sizeof(count); + parms.objid = ID_tcpConnNumEnt; + parms.buffer = &count; + parms.len = &len; + + if ((status = sigar_get_mib_info(sigar, &parms)) != SIGAR_OK) { + return status; + } + + if (count <= 0) { + return ENOENT; + } + + len = count * sizeof(*entries); + entries = malloc(len); + parms.objid = ID_tcpConnTable; + parms.buffer = entries; + parms.len = &len; + + if ((status = sigar_get_mib_info(sigar, &parms)) != SIGAR_OK) { + free(entries); + return status; + } + + for (i=0; iState; + + if (!(IS_TCP_SERVER(state, flags) || + IS_TCP_CLIENT(state, flags))) + { + continue; + } + + SIGAR_ZERO(&conn); + + switch (state) { + case TCCLOSED: + conn.state = SIGAR_TCP_CLOSE; + break; + case TCLISTEN: + conn.state = SIGAR_TCP_LISTEN; + break; + case TCSYNSENT: + conn.state = SIGAR_TCP_SYN_SENT; + break; + case TCSYNRECEIVE: + conn.state = SIGAR_TCP_SYN_RECV; + break; + case TCESTABLISED: + conn.state = SIGAR_TCP_ESTABLISHED; + break; + case TCFINWAIT1: + conn.state = SIGAR_TCP_FIN_WAIT1; + break; + case TCFINWAIT2: + conn.state = SIGAR_TCP_FIN_WAIT2; + break; + case TCCLOSEWAIT: + conn.state = SIGAR_TCP_CLOSE_WAIT; + break; + case TCCLOSING: + conn.state = SIGAR_TCP_CLOSING; + break; + case TCLASTACK: + conn.state = SIGAR_TCP_LAST_ACK; + break; + case TCTIMEWAIT: + conn.state = SIGAR_TCP_TIME_WAIT; + break; + case TCDELETETCB: + default: + conn.state = SIGAR_TCP_UNKNOWN; + break; + } + + conn.local_port = (unsigned short)entry->LocalPort; + conn.remote_port = (unsigned short)entry->RemPort; + conn.type = SIGAR_NETCONN_TCP; + + sigar_net_address_set(conn.local_address, entry->LocalAddress); + sigar_net_address_set(conn.remote_address, entry->RemAddress); + + conn.send_queue = conn.receive_queue = SIGAR_FIELD_NOTIMPL; + + if (walker->add_connection(walker, &conn) != SIGAR_OK) { + break; + } + } + + free(entries); + + return SIGAR_OK; +} + +int sigar_net_connection_walk(sigar_net_connection_walker_t *walker) +{ + int status; + + if (walker->flags & SIGAR_NETCONN_TCP) { + status = net_conn_get_tcp(walker); + + if (status != SIGAR_OK) { + return status; + } + } + + if (walker->flags & SIGAR_NETCONN_UDP) { + status = net_conn_get_udp(walker); + + if (status != SIGAR_OK) { + return status; + } + } + + return SIGAR_OK; +} + +#define tcpsoff(x) sigar_offsetof(sigar_tcp_t, x) + +static struct { + unsigned int id; + size_t offset; +} tcps_lu[] = { +#if 0 + { ID_tcpRtoAlgorithm, tcpsoff(xxx) }, + { ID_tcpRtoMin, tcpsoff(xxx) }, + { ID_tcpRtoMax, tcpsoff(xxx) }, + { ID_tcpMaxConn, tcpsoff(max_conn) }, +#endif + { ID_tcpActiveOpens, tcpsoff(active_opens) }, + { ID_tcpPassiveOpens, tcpsoff(passive_opens) }, + { ID_tcpAttemptFails, tcpsoff(attempt_fails) }, + { ID_tcpEstabResets, tcpsoff(estab_resets) }, + { ID_tcpCurrEstab, tcpsoff(curr_estab) }, + { ID_tcpInSegs, tcpsoff(in_segs) }, + { ID_tcpOutSegs, tcpsoff(out_segs) }, + { ID_tcpRetransSegs, tcpsoff(retrans_segs) }, + { ID_tcpInErrs, tcpsoff(in_errs) }, + { ID_tcpOutRsts, tcpsoff(out_rsts) } +}; + +SIGAR_DECLARE(int) +sigar_tcp_get(sigar_t *sigar, + sigar_tcp_t *tcp) +{ + int i; + + for (i=0; idata[arplist->number++]; + + sigar_net_address_set(arp->address, + ent->NetAddr); + + sigar_net_address_mac_set(arp->hwaddr, + ent->PhysAddr.o_bytes, + ent->PhysAddr.o_length); + + sigar_if_indextoname(sigar, arp->ifname, ent->IfIndex); + + SIGAR_SSTRCPY(arp->type, "ether"); /*XXX*/ + arp->flags = 0; /*XXX*/ + } + + free(entries); + + return SIGAR_OK; +} + +int sigar_proc_port_get(sigar_t *sigar, int protocol, + unsigned long port, sigar_pid_t *pid) +{ + return SIGAR_ENOTIMPL; +} + + +int sigar_os_sys_info_get(sigar_t *sigar, + sigar_sys_info_t *sysinfo) +{ + char *vendor_version, *arch; + long cpu = sysconf(_SC_CPU_VERSION); + + switch (cpu) { + case CPU_PA_RISC1_0: + arch = "PA_RISC1.0"; + break; + case CPU_PA_RISC1_1: + arch = "PA_RISC1.1"; + break; + case CPU_PA_RISC2_0: + arch = "PA_RISC2.0"; + break; +#ifdef CPU_IA64_ARCHREV_0 + case CPU_IA64_ARCHREV_0: + arch = "ia64"; + break; +#endif + default: + arch = "unknown"; + break; + } + + SIGAR_SSTRCPY(sysinfo->arch, arch); + + SIGAR_SSTRCPY(sysinfo->name, "HPUX"); + SIGAR_SSTRCPY(sysinfo->vendor, "Hewlett-Packard"); + + if (strstr(sysinfo->version, ".11.")) { + vendor_version = "11"; + } + else { + vendor_version = sysinfo->version; + } + + SIGAR_SSTRCPY(sysinfo->vendor_version, vendor_version); + + snprintf(sysinfo->description, + sizeof(sysinfo->description), + "%s %s", + sysinfo->vendor_name, sysinfo->vendor_version); + + return SIGAR_OK; +} diff --git a/vendor/sigar/src/os/hpux/sigar_os.h b/vendor/sigar/src/os/hpux/sigar_os.h new file mode 100644 index 0000000..ee2434a --- /dev/null +++ b/vendor/sigar/src/os/hpux/sigar_os.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2004-2007 Hyperic, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SIGAR_OS_H +#define SIGAR_OS_H + +#if defined(__ia64) && !defined(__ia64__) +#define __ia64__ +#endif + +#ifdef __ia64__ +#ifndef _LP64 +#define _LP64 +#endif +#endif + +#define _PSTAT64 + +#include +#include +#include +#include + +struct sigar_t { + SIGAR_T_BASE; + struct pst_static pstatic; + time_t last_getprocs; + sigar_pid_t last_pid; + struct pst_status *pinfo; + + int mib; +}; + +int hpux_get_mib_ifentry(int ppa, mib_ifEntry *mib); + +#endif /* SIGAR_OS_H */ diff --git a/vendor/sigar/src/os/linux/linux_sigar.c b/vendor/sigar/src/os/linux/linux_sigar.c new file mode 100644 index 0000000..0e4283f --- /dev/null +++ b/vendor/sigar/src/os/linux/linux_sigar.c @@ -0,0 +1,2782 @@ +/* + * Copyright (c) 2004-2009 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2009-2010 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_util.h" +#include "sigar_os.h" + +#define pageshift(x) ((x) << sigar->pagesize) + +#define PROC_MEMINFO PROC_FS_ROOT "meminfo" +#define PROC_VMSTAT PROC_FS_ROOT "vmstat" +#define PROC_MTRR PROC_FS_ROOT "mtrr" +#define PROC_STAT PROC_FS_ROOT "stat" +#define PROC_UPTIME PROC_FS_ROOT "uptime" +#define PROC_LOADAVG PROC_FS_ROOT "loadavg" + +#define PROC_PSTAT "/stat" +#define PROC_PSTATUS "/status" + +#define SYS_BLOCK "/sys/block" +#define PROC_PARTITIONS PROC_FS_ROOT "partitions" +#define PROC_DISKSTATS PROC_FS_ROOT "diskstats" + +/* + * /proc/self/stat fields: + * 1 - pid + * 2 - comm + * 3 - state + * 4 - ppid + * 5 - pgrp + * 6 - session + * 7 - tty_nr + * 8 - tpgid + * 9 - flags + * 10 - minflt + * 11 - cminflt + * 12 - majflt + * 13 - cmajflt + * 14 - utime + * 15 - stime + * 16 - cutime + * 17 - cstime + * 18 - priority + * 19 - nice + * 20 - 0 (removed field) + * 21 - itrealvalue + * 22 - starttime + * 23 - vsize + * 24 - rss + * 25 - rlim + * 26 - startcode + * 27 - endcode + * 28 - startstack + * 29 - kstkesp + * 30 - kstkeip + * 31 - signal + * 32 - blocked + * 33 - sigignore + * 34 - sigcache + * 35 - wchan + * 36 - nswap + * 37 - cnswap + * 38 - exit_signal <-- looking for this. + * 39 - processor + * ... more for newer RH + */ + +#define PROC_SIGNAL_IX 38 + +static int get_proc_signal_offset(void) +{ + char buffer[BUFSIZ], *ptr=buffer; + int fields = 0; + int status = sigar_file2str(PROCP_FS_ROOT "self/stat", + buffer, sizeof(buffer)); + + if (status != SIGAR_OK) { + return 1; + } + + while (*ptr) { + if (*ptr++ == ' ') { + fields++; + } + } + + return (fields - PROC_SIGNAL_IX) + 1; +} + +sigar_pid_t sigar_pid_get(sigar_t *sigar) +{ + /* XXX cannot safely cache getpid unless using nptl */ + /* we can however, cache it for optimizations in the + * case of proc_env_get for example. + */ + sigar->pid = getpid(); + return sigar->pid; +} + +static int sigar_boot_time_get(sigar_t *sigar) +{ + FILE *fp; + char buffer[BUFSIZ], *ptr; + int found = 0; + + if (!(fp = fopen(PROC_STAT, "r"))) { + return errno; + } + + while ((ptr = fgets(buffer, sizeof(buffer), fp))) { + if (strnEQ(ptr, "btime", 5)) { + if ((ptr = sigar_skip_token(ptr))) { + sigar->boot_time = sigar_strtoul(ptr); + found = 1; + } + break; + } + } + + fclose(fp); + + if (!found) { + /* should never happen */ + sigar->boot_time = time(NULL); + } + + return SIGAR_OK; +} + +int sigar_os_open(sigar_t **sigar) +{ + int i, status; + int kernel_rev, has_nptl; + struct stat sb; + struct utsname name; + + *sigar = malloc(sizeof(**sigar)); + + (*sigar)->pagesize = 0; + i = getpagesize(); + while ((i >>= 1) > 0) { + (*sigar)->pagesize++; + } + + status = sigar_boot_time_get(*sigar); + if (status != SIGAR_OK) { + return status; + } + + (*sigar)->ticks = sysconf(_SC_CLK_TCK); + + (*sigar)->ram = -1; + + (*sigar)->proc_signal_offset = -1; + + (*sigar)->last_proc_stat.pid = -1; + + (*sigar)->lcpu = -1; + + if (stat(PROC_DISKSTATS, &sb) == 0) { + (*sigar)->iostat = IOSTAT_DISKSTATS; + } + else if (stat(SYS_BLOCK, &sb) == 0) { + (*sigar)->iostat = IOSTAT_SYS; + } + else if (stat(PROC_PARTITIONS, &sb) == 0) { + /* XXX file exists does not mean is has the fields */ + (*sigar)->iostat = IOSTAT_PARTITIONS; + } + else { + (*sigar)->iostat = IOSTAT_NONE; + } + + /* hook for using mirrored /proc/net/tcp file */ + (*sigar)->proc_net = getenv("SIGAR_PROC_NET"); + + uname(&name); + /* 2.X.y.z -> just need X (unless there is ever a kernel version 3!) */ + kernel_rev = atoi(&name.release[2]); + if (kernel_rev >= 6) { + has_nptl = 1; + } + else { + has_nptl = getenv("SIGAR_HAS_NPTL") ? 1 : 0; + } + (*sigar)->has_nptl = has_nptl; + + return SIGAR_OK; +} + +int sigar_os_close(sigar_t *sigar) +{ + free(sigar); + return SIGAR_OK; +} + +char *sigar_os_error_string(sigar_t *sigar, int err) +{ + return NULL; +} + +static int sigar_cpu_total_count(sigar_t *sigar) +{ + sigar->ncpu = (int)sysconf(_SC_NPROCESSORS_CONF); + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, "[cpu] ncpu=%d\n", + sigar->ncpu); + return sigar->ncpu; +} + +static int get_ram(sigar_t *sigar, sigar_mem_t *mem) +{ + char buffer[BUFSIZ], *ptr; + FILE *fp; + int total = 0; + sigar_uint64_t sys_total = (mem->total / (1024 * 1024)); + + if (sigar->ram > 0) { + /* return cached value */ + mem->ram = sigar->ram; + return SIGAR_OK; + } + + if (sigar->ram == 0) { + return ENOENT; + } + + /* + * Memory Type Range Registers + * write-back registers add up to the total. + * Well, they are supposed to add up, but seen + * at least one configuration where that is not the + * case. + */ + if (!(fp = fopen(PROC_MTRR, "r"))) { + return errno; + } + + while ((ptr = fgets(buffer, sizeof(buffer), fp))) { + if (!(ptr = strstr(ptr, "size="))) { + continue; + } + + if (!strstr(ptr, "write-back")) { + continue; + } + + ptr += 5; + while (sigar_isspace(*ptr)) { + ++ptr; + } + + total += atoi(ptr); + } + + fclose(fp); + + if ((total - sys_total) > 256) { + /* mtrr write-back registers are way off + * kernel should not be using more that 256MB of mem + */ + total = 0; /* punt */ + } + + if (total == 0) { + return ENOENT; + } + + mem->ram = sigar->ram = total; + + return SIGAR_OK; +} + +#define MEMINFO_PARAM(a) a ":", SSTRLEN(a ":") + +static SIGAR_INLINE sigar_uint64_t sigar_meminfo(char *buffer, + char *attr, int len) +{ + sigar_uint64_t val = 0; + char *ptr, *tok; + + if ((ptr = strstr(buffer, attr))) { + ptr += len; + val = strtoull(ptr, &tok, 0); + while (*tok == ' ') { + ++tok; + } + if (*tok == 'k') { + val *= 1024; + } + else if (*tok == 'M') { + val *= (1024 * 1024); + } + } + + return val; +} + +int sigar_mem_get(sigar_t *sigar, sigar_mem_t *mem) +{ + sigar_uint64_t buffers, cached, kern; + char buffer[BUFSIZ]; + + int status = sigar_file2str(PROC_MEMINFO, + buffer, sizeof(buffer)); + + if (status != SIGAR_OK) { + return status; + } + + mem->total = sigar_meminfo(buffer, MEMINFO_PARAM("MemTotal")); + mem->free = sigar_meminfo(buffer, MEMINFO_PARAM("MemFree")); + mem->used = mem->total - mem->free; + + buffers = sigar_meminfo(buffer, MEMINFO_PARAM("Buffers")); + cached = sigar_meminfo(buffer, MEMINFO_PARAM("Cached")); + + kern = buffers + cached; + mem->actual_free = mem->free + kern; + mem->actual_used = mem->used - kern; + + sigar_mem_calc_ram(sigar, mem); + + if (get_ram(sigar, mem) != SIGAR_OK) { + /* XXX other options on failure? */ + } + + return SIGAR_OK; +} + +int sigar_swap_get(sigar_t *sigar, sigar_swap_t *swap) +{ + char buffer[BUFSIZ], *ptr; + + /* XXX: we open/parse the same file here as sigar_mem_get */ + int status = sigar_file2str(PROC_MEMINFO, + buffer, sizeof(buffer)); + + if (status != SIGAR_OK) { + return status; + } + + swap->total = sigar_meminfo(buffer, MEMINFO_PARAM("SwapTotal")); + swap->free = sigar_meminfo(buffer, MEMINFO_PARAM("SwapFree")); + swap->used = swap->total - swap->free; + + swap->page_in = swap->page_out = -1; + + status = sigar_file2str(PROC_VMSTAT, + buffer, sizeof(buffer)); + + if (status == SIGAR_OK) { + /* 2.6+ kernel */ + if ((ptr = strstr(buffer, "\npswpin"))) { + ptr = sigar_skip_token(ptr); + swap->page_in = sigar_strtoull(ptr); + ptr = sigar_skip_token(ptr); + swap->page_out = sigar_strtoull(ptr); + } + } + else { + /* 2.2, 2.4 kernels */ + status = sigar_file2str(PROC_STAT, + buffer, sizeof(buffer)); + if (status != SIGAR_OK) { + return status; + } + + if ((ptr = strstr(buffer, "\nswap"))) { + ptr = sigar_skip_token(ptr); + swap->page_in = sigar_strtoull(ptr); + swap->page_out = sigar_strtoull(ptr); + } + } + + return SIGAR_OK; +} + +static void get_cpu_metrics(sigar_t *sigar, sigar_cpu_t *cpu, char *line) +{ + char *ptr = sigar_skip_token(line); /* "cpu%d" */ + + cpu->user += SIGAR_TICK2MSEC(sigar_strtoull(ptr)); + cpu->nice += SIGAR_TICK2MSEC(sigar_strtoull(ptr)); + cpu->sys += SIGAR_TICK2MSEC(sigar_strtoull(ptr)); + cpu->idle += SIGAR_TICK2MSEC(sigar_strtoull(ptr)); + if (*ptr == ' ') { + /* 2.6+ kernels only */ + cpu->wait += SIGAR_TICK2MSEC(sigar_strtoull(ptr)); + cpu->irq += SIGAR_TICK2MSEC(sigar_strtoull(ptr)); + cpu->soft_irq += SIGAR_TICK2MSEC(sigar_strtoull(ptr)); + } + if (*ptr == ' ') { + /* 2.6.11+ kernels only */ + cpu->stolen += SIGAR_TICK2MSEC(sigar_strtoull(ptr)); + } + cpu->total = + cpu->user + cpu->nice + cpu->sys + cpu->idle + + cpu->wait + cpu->irq + cpu->soft_irq + cpu->stolen; +} + +int sigar_cpu_get(sigar_t *sigar, sigar_cpu_t *cpu) +{ + char buffer[BUFSIZ]; + int status = sigar_file2str(PROC_STAT, buffer, sizeof(buffer)); + + if (status != SIGAR_OK) { + return status; + } + + SIGAR_ZERO(cpu); + get_cpu_metrics(sigar, cpu, buffer); + + return SIGAR_OK; +} + +int sigar_cpu_list_get(sigar_t *sigar, sigar_cpu_list_t *cpulist) +{ + FILE *fp; + char buffer[BUFSIZ], cpu_total[BUFSIZ], *ptr; + int core_rollup = sigar_cpu_core_rollup(sigar), i=0; + sigar_cpu_t *cpu; + + if (!(fp = fopen(PROC_STAT, "r"))) { + return errno; + } + + /* skip first line */ + (void)fgets(cpu_total, sizeof(cpu_total), fp); + + sigar_cpu_list_create(cpulist); + + /* XXX: merge times of logical processors if hyperthreading */ + while ((ptr = fgets(buffer, sizeof(buffer), fp))) { + if (!strnEQ(ptr, "cpu", 3)) { + break; + } + + if (core_rollup && (i % sigar->lcpu)) { + /* merge times of logical processors */ + cpu = &cpulist->data[cpulist->number-1]; + } + else { + SIGAR_CPU_LIST_GROW(cpulist); + cpu = &cpulist->data[cpulist->number++]; + SIGAR_ZERO(cpu); + } + + get_cpu_metrics(sigar, cpu, ptr); + + i++; + } + + fclose(fp); + + if (cpulist->number == 0) { + /* likely older kernel where cpu\d is not present */ + cpu = &cpulist->data[cpulist->number++]; + SIGAR_ZERO(cpu); + get_cpu_metrics(sigar, cpu, cpu_total); + } + + return SIGAR_OK; +} + +int sigar_uptime_get(sigar_t *sigar, + sigar_uptime_t *uptime) +{ + char buffer[BUFSIZ], *ptr = buffer; + int status = sigar_file2str(PROC_UPTIME, buffer, sizeof(buffer)); + + if (status != SIGAR_OK) { + return status; + } + + uptime->uptime = strtod(buffer, &ptr); + + return SIGAR_OK; +} + +int sigar_loadavg_get(sigar_t *sigar, + sigar_loadavg_t *loadavg) +{ + char buffer[BUFSIZ], *ptr = buffer; + int status = sigar_file2str(PROC_LOADAVG, buffer, sizeof(buffer)); + + if (status != SIGAR_OK) { + return status; + } + + loadavg->loadavg[0] = strtod(buffer, &ptr); + loadavg->loadavg[1] = strtod(ptr, &ptr); + loadavg->loadavg[2] = strtod(ptr, &ptr); + + return SIGAR_OK; +} + +/* + * seems the easiest/fastest way to tell if a process listed in /proc + * is a thread is to check the "exit signal" flag in /proc/num/stat. + * any value other than SIGCHLD seems to be a thread. this make hulk mad. + * redhat's procps patch (named "threadbadhack.pat") does not use + * this flag to filter out threads. instead does much more expensive + * comparisions. their patch also bubbles up thread cpu times to the main + * process. functionality we currently lack. + * when nptl is in use, this is not the case and all threads spawned from + * a process have the same pid. however, it seems both old-style linux + * threads and nptl threads can be run on the same machine. + * there is also the "Tgid" field in /proc/self/status which could be used + * to detect threads, but this is not available in older kernels. + */ +static SIGAR_INLINE int proc_isthread(sigar_t *sigar, char *pidstr, int len) +{ + char buffer[BUFSIZ], *ptr=buffer; + int fd, n, offset=sigar->proc_signal_offset; + + /* sprintf(buffer, "/proc/%s/stat", pidstr) */ + memcpy(ptr, PROCP_FS_ROOT, SSTRLEN(PROCP_FS_ROOT)); + ptr += SSTRLEN(PROCP_FS_ROOT); + + memcpy(ptr, pidstr, len); + ptr += len; + + memcpy(ptr, PROC_PSTAT, SSTRLEN(PROC_PSTAT)); + ptr += SSTRLEN(PROC_PSTAT); + + *ptr = '\0'; + + if ((fd = open(buffer, O_RDONLY)) < 0) { + /* unlikely if pid was from readdir proc */ + return 0; + } + + n = read(fd, buffer, sizeof(buffer)); + close(fd); + + if (n < 0) { + return 0; /* chances: slim..none */ + } + + buffer[n--] = '\0'; + + /* exit_signal is the second to last field so we look backwards. + * XXX if newer kernels drop more turds in this file we'll need + * to go the other way. luckily linux has no real api for this shit. + */ + + /* skip trailing crap */ + while ((n > 0) && !isdigit(buffer[n--])) ; + + while (offset-- > 0) { + /* skip last field */ + while ((n > 0) && isdigit(buffer[n--])) ; + + /* skip whitespace */ + while ((n > 0) && !isdigit(buffer[n--])) ; + } + + if (n < 3) { + return 0; /* hulk smashed /proc? */ + } + + ptr = &buffer[n]; + /* + * '17' == SIGCHLD == real process. + * '33' and '0' are threads + */ + if ((*ptr++ == '1') && + (*ptr++ == '7') && + (*ptr++ == ' ')) + { + return 0; + } + + return 1; +} + +int sigar_os_proc_list_get(sigar_t *sigar, + sigar_proc_list_t *proclist) +{ + DIR *dirp = opendir(PROCP_FS_ROOT); + struct dirent *ent, dbuf; + register const int threadbadhack = !sigar->has_nptl; + + if (!dirp) { + return errno; + } + + if (threadbadhack && (sigar->proc_signal_offset == -1)) { + sigar->proc_signal_offset = get_proc_signal_offset(); + } + + while (readdir_r(dirp, &dbuf, &ent) == 0) { + if (!ent) { + break; + } + + if (!sigar_isdigit(*ent->d_name)) { + continue; + } + + if (threadbadhack && + proc_isthread(sigar, ent->d_name, strlen(ent->d_name))) + { + continue; + } + + /* XXX: more sanity checking */ + + SIGAR_PROC_LIST_GROW(proclist); + + proclist->data[proclist->number++] = + strtoul(ent->d_name, NULL, 10); + } + + closedir(dirp); + + return SIGAR_OK; +} + +static int proc_stat_read(sigar_t *sigar, sigar_pid_t pid) +{ + char buffer[BUFSIZ], *ptr=buffer, *tmp; + unsigned int len; + linux_proc_stat_t *pstat = &sigar->last_proc_stat; + int status; + + time_t timenow = time(NULL); + + /* + * short-lived cache read/parse of last /proc/pid/stat + * as this info is spread out across a few functions. + */ + if (pstat->pid == pid) { + if ((timenow - pstat->mtime) < SIGAR_LAST_PROC_EXPIRE) { + return SIGAR_OK; + } + } + + pstat->pid = pid; + pstat->mtime = timenow; + + status = SIGAR_PROC_FILE2STR(buffer, pid, PROC_PSTAT); + + if (status != SIGAR_OK) { + return status; + } + + if (!(ptr = strchr(ptr, '('))) { + return EINVAL; + } + if (!(tmp = strrchr(++ptr, ')'))) { + return EINVAL; + } + len = tmp-ptr; + + if (len >= sizeof(pstat->name)) { + len = sizeof(pstat->name)-1; + } + + /* (1,2) */ + memcpy(pstat->name, ptr, len); + pstat->name[len] = '\0'; + ptr = tmp+1; + + SIGAR_SKIP_SPACE(ptr); + pstat->state = *ptr++; /* (3) */ + SIGAR_SKIP_SPACE(ptr); + + pstat->ppid = sigar_strtoul(ptr); /* (4) */ + ptr = sigar_skip_token(ptr); /* (5) pgrp */ + ptr = sigar_skip_token(ptr); /* (6) session */ + pstat->tty = sigar_strtoul(ptr); /* (7) */ + ptr = sigar_skip_token(ptr); /* (8) tty pgrp */ + + ptr = sigar_skip_token(ptr); /* (9) flags */ + pstat->minor_faults = sigar_strtoull(ptr); /* (10) */ + ptr = sigar_skip_token(ptr); /* (11) cmin flt */ + pstat->major_faults = sigar_strtoull(ptr); /* (12) */ + ptr = sigar_skip_token(ptr); /* (13) cmaj flt */ + + pstat->utime = SIGAR_TICK2MSEC(sigar_strtoull(ptr)); /* (14) */ + pstat->stime = SIGAR_TICK2MSEC(sigar_strtoull(ptr)); /* (15) */ + + ptr = sigar_skip_token(ptr); /* (16) cutime */ + ptr = sigar_skip_token(ptr); /* (17) cstime */ + + pstat->priority = sigar_strtoul(ptr); /* (18) */ + pstat->nice = sigar_strtoul(ptr); /* (19) */ + + ptr = sigar_skip_token(ptr); /* (20) timeout */ + ptr = sigar_skip_token(ptr); /* (21) it_real_value */ + + pstat->start_time = sigar_strtoul(ptr); /* (22) */ + pstat->start_time /= sigar->ticks; + pstat->start_time += sigar->boot_time; /* seconds */ + pstat->start_time *= 1000; /* milliseconds */ + + pstat->vsize = sigar_strtoull(ptr); /* (23) */ + pstat->rss = pageshift(sigar_strtoull(ptr)); /* (24) */ + + ptr = sigar_skip_token(ptr); /* (25) rlim */ + ptr = sigar_skip_token(ptr); /* (26) startcode */ + ptr = sigar_skip_token(ptr); /* (27) endcode */ + ptr = sigar_skip_token(ptr); /* (28) startstack */ + ptr = sigar_skip_token(ptr); /* (29) kstkesp */ + ptr = sigar_skip_token(ptr); /* (30) kstkeip */ + ptr = sigar_skip_token(ptr); /* (31) signal */ + ptr = sigar_skip_token(ptr); /* (32) blocked */ + ptr = sigar_skip_token(ptr); /* (33) sigignore */ + ptr = sigar_skip_token(ptr); /* (34) sigcache */ + ptr = sigar_skip_token(ptr); /* (35) wchan */ + ptr = sigar_skip_token(ptr); /* (36) nswap */ + ptr = sigar_skip_token(ptr); /* (37) cnswap */ + ptr = sigar_skip_token(ptr); /* (38) exit_signal */ + + pstat->processor = sigar_strtoul(ptr); /* (39) */ + + return SIGAR_OK; +} + +int sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_mem_t *procmem) +{ + char buffer[BUFSIZ], *ptr=buffer; + int status = proc_stat_read(sigar, pid); + linux_proc_stat_t *pstat = &sigar->last_proc_stat; + + procmem->minor_faults = pstat->minor_faults; + procmem->major_faults = pstat->major_faults; + procmem->page_faults = + procmem->minor_faults + procmem->major_faults; + + status = SIGAR_PROC_FILE2STR(buffer, pid, "/statm"); + + if (status != SIGAR_OK) { + return status; + } + + procmem->size = pageshift(sigar_strtoull(ptr)); + procmem->resident = pageshift(sigar_strtoull(ptr)); + procmem->share = pageshift(sigar_strtoull(ptr)); + + return SIGAR_OK; +} + +#define NO_ID_MSG "[proc_cred] /proc/%lu" PROC_PSTATUS " missing " + +int sigar_proc_cred_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_cred_t *proccred) +{ + char buffer[BUFSIZ], *ptr; + int status = SIGAR_PROC_FILE2STR(buffer, pid, PROC_PSTATUS); + + if (status != SIGAR_OK) { + return status; + } + + if ((ptr = strstr(buffer, "\nUid:"))) { + ptr = sigar_skip_token(ptr); + + proccred->uid = sigar_strtoul(ptr); + proccred->euid = sigar_strtoul(ptr); + } + else { + sigar_log_printf(sigar, SIGAR_LOG_WARN, + NO_ID_MSG "Uid", pid); + return ENOENT; + } + + if ((ptr = strstr(ptr, "\nGid:"))) { + ptr = sigar_skip_token(ptr); + + proccred->gid = sigar_strtoul(ptr); + proccred->egid = sigar_strtoul(ptr); + } + else { + sigar_log_printf(sigar, SIGAR_LOG_WARN, + NO_ID_MSG "Gid", pid); + return ENOENT; + } + + return SIGAR_OK; +} + +int sigar_proc_time_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_time_t *proctime) +{ + int status = proc_stat_read(sigar, pid); + linux_proc_stat_t *pstat = &sigar->last_proc_stat; + + if (status != SIGAR_OK) { + return status; + } + + proctime->user = pstat->utime; + proctime->sys = pstat->stime; + proctime->total = proctime->user + proctime->sys; + proctime->start_time = pstat->start_time; + + return SIGAR_OK; +} + +static int proc_status_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_state_t *procstate) +{ + char buffer[BUFSIZ], *ptr; + int status = SIGAR_PROC_FILE2STR(buffer, pid, PROC_PSTATUS); + + if (status != SIGAR_OK) { + return status; + } + + ptr = strstr(buffer, "\nThreads:"); + if (ptr) { + /* 2.6+ kernel only */ + ptr = sigar_skip_token(ptr); + procstate->threads = sigar_strtoul(ptr); + } + else { + procstate->threads = SIGAR_FIELD_NOTIMPL; + } + + return SIGAR_OK; +} + +int sigar_proc_state_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_state_t *procstate) +{ + int status = proc_stat_read(sigar, pid); + linux_proc_stat_t *pstat = &sigar->last_proc_stat; + + if (status != SIGAR_OK) { + return status; + } + + memcpy(procstate->name, pstat->name, sizeof(procstate->name)); + procstate->state = pstat->state; + + procstate->ppid = pstat->ppid; + procstate->tty = pstat->tty; + procstate->priority = pstat->priority; + procstate->nice = pstat->nice; + procstate->processor = pstat->processor; + + if (sigar_cpu_core_rollup(sigar)) { + procstate->processor /= sigar->lcpu; + } + + proc_status_get(sigar, pid, procstate); + + return SIGAR_OK; +} + +int sigar_os_proc_args_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs) +{ + return sigar_procfs_args_get(sigar, pid, procargs); +} + +/* glibc 2.8 XXX use sysconf(_SC_ARG_MAX) */ +#ifndef ARG_MAX +#define ARG_MAX 131072 +#endif + +int sigar_proc_env_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_env_t *procenv) +{ + int fd; + char buffer[ARG_MAX]; /* XXX: ARG_MAX == 130k */ + char name[BUFSIZ]; + size_t len; + char *ptr, *end; + + /* optimize if pid == $$ and type == ENV_KEY */ + SIGAR_PROC_ENV_KEY_LOOKUP(); + + (void)SIGAR_PROC_FILENAME(name, pid, "/environ"); + + if ((fd = open(name, O_RDONLY)) < 0) { + if (errno == ENOENT) { + return ESRCH; + } + return errno; + } + + len = read(fd, buffer, sizeof(buffer)); + + close(fd); + + buffer[len] = '\0'; + ptr = buffer; + + end = buffer + len; + while (ptr < end) { + char *val = strchr(ptr, '='); + int klen, vlen, status; + char key[128]; /* XXX is there a max key size? */ + + if (val == NULL) { + /* not key=val format */ + break; + } + + klen = val - ptr; + SIGAR_SSTRCPY(key, ptr); + key[klen] = '\0'; + ++val; + + vlen = strlen(val); + status = procenv->env_getter(procenv->data, + key, klen, val, vlen); + + if (status != SIGAR_OK) { + /* not an error; just stop iterating */ + break; + } + + ptr += (klen + 1 + vlen + 1); + } + + return SIGAR_OK; +} + +int sigar_proc_fd_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_fd_t *procfd) +{ + int status = + sigar_proc_fd_count(sigar, pid, &procfd->total); + + return status; +} + +int sigar_proc_exe_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_exe_t *procexe) +{ + int len; + char name[BUFSIZ]; + + (void)SIGAR_PROC_FILENAME(name, pid, "/cwd"); + + if ((len = readlink(name, procexe->cwd, + sizeof(procexe->cwd)-1)) < 0) + { + return errno; + } + + procexe->cwd[len] = '\0'; + + (void)SIGAR_PROC_FILENAME(name, pid, "/exe"); + + if ((len = readlink(name, procexe->name, + sizeof(procexe->name)-1)) < 0) + { + return errno; + } + + procexe->name[len] = '\0'; + + (void)SIGAR_PROC_FILENAME(name, pid, "/root"); + + if ((len = readlink(name, procexe->root, + sizeof(procexe->root)-1)) < 0) + { + return errno; + } + + procexe->root[len] = '\0'; + + return SIGAR_OK; +} + +int sigar_proc_modules_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_modules_t *procmods) +{ + FILE *fp; + char buffer[BUFSIZ], *ptr; + unsigned long inode, last_inode = 0; + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/maps"); + + if (!(fp = fopen(buffer, "r"))) { + return errno; + } + + while ((ptr = fgets(buffer, sizeof(buffer), fp))) { + int len, status; + /* skip region, flags, offset, dev */ + ptr = sigar_skip_multiple_token(ptr, 4); + inode = sigar_strtoul(ptr); + + if ((inode == 0) || (inode == last_inode)) { + last_inode = 0; + continue; + } + + last_inode = inode; + SIGAR_SKIP_SPACE(ptr); + len = strlen(ptr); + ptr[len-1] = '\0'; /* chop \n */ + + status = + procmods->module_getter(procmods->data, + ptr, len-1); + + if (status != SIGAR_OK) { + /* not an error; just stop iterating */ + break; + } + } + + fclose(fp); + + return SIGAR_OK; +} + +int sigar_thread_cpu_get(sigar_t *sigar, + sigar_uint64_t id, + sigar_thread_cpu_t *cpu) +{ + struct tms now; + + if (id != 0) { + return SIGAR_ENOTIMPL; + } + + times(&now); + + cpu->user = SIGAR_TICK2NSEC(now.tms_utime); + cpu->sys = SIGAR_TICK2NSEC(now.tms_stime); + cpu->total = SIGAR_TICK2NSEC(now.tms_utime + now.tms_stime); + + return SIGAR_OK; +} + +#include + +int sigar_os_fs_type_get(sigar_file_system_t *fsp) +{ + char *type = fsp->sys_type_name; + + switch (*type) { + case 'e': + if (strnEQ(type, "ext", 3)) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'g': + if (strEQ(type, "gfs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'h': + if (strEQ(type, "hpfs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'j': + if (strnEQ(type, "jfs", 3)) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'o': + if (strnEQ(type, "ocfs", 4)) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'p': + if (strnEQ(type, "psfs", 4)) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'r': + if (strEQ(type, "reiserfs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'v': + if (strEQ(type, "vzfs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'x': + if (strEQ(type, "xfs") || strEQ(type, "xiafs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + } + + return fsp->type; +} + +int sigar_file_system_list_get(sigar_t *sigar, + sigar_file_system_list_t *fslist) +{ + struct mntent ent; + char buf[1025]; /* buffer for strings within ent */ + FILE *fp; + sigar_file_system_t *fsp; + + if (!(fp = setmntent(MOUNTED, "r"))) { + return errno; + } + + sigar_file_system_list_create(fslist); + + while (getmntent_r(fp, &ent, buf, sizeof(buf))) { + SIGAR_FILE_SYSTEM_LIST_GROW(fslist); + + fsp = &fslist->data[fslist->number++]; + + fsp->type = SIGAR_FSTYPE_UNKNOWN; /* unknown, will be set later */ + SIGAR_SSTRCPY(fsp->dir_name, ent.mnt_dir); + SIGAR_SSTRCPY(fsp->dev_name, ent.mnt_fsname); + SIGAR_SSTRCPY(fsp->sys_type_name, ent.mnt_type); + SIGAR_SSTRCPY(fsp->options, ent.mnt_opts); + sigar_fs_type_get(fsp); + } + + endmntent(fp); + + return SIGAR_OK; +} + +#define ST_MAJOR(sb) major((sb).st_rdev) +#define ST_MINOR(sb) minor((sb).st_rdev) + +static int get_iostat_sys(sigar_t *sigar, + const char *dirname, + sigar_disk_usage_t *disk, + sigar_iodev_t **iodev) +{ + char stat[1025], dev[1025]; + char *name, *ptr, *fsdev; + int partition, status; + + if (!(*iodev = sigar_iodev_get(sigar, dirname))) { + return ENXIO; + } + + name = fsdev = (*iodev)->name; + + if (SIGAR_NAME_IS_DEV(name)) { + name += SSTRLEN(SIGAR_DEV_PREFIX); /* strip "/dev/" */ + } + + while (!sigar_isdigit(*fsdev)) { + fsdev++; + } + + partition = strtoul(fsdev, NULL, 0); + *fsdev = '\0'; + + snprintf(stat, sizeof(stat), + SYS_BLOCK "/%s/%s%d/stat", name, name, partition); + + status = sigar_file2str(stat, dev, sizeof(dev)); + if (status != SIGAR_OK) { + return status; + } + + ptr = dev; + ptr = sigar_skip_token(ptr); + disk->reads = sigar_strtoull(ptr); + ptr = sigar_skip_token(ptr); + disk->writes = sigar_strtoull(ptr); + + disk->read_bytes = SIGAR_FIELD_NOTIMPL; + disk->write_bytes = SIGAR_FIELD_NOTIMPL; + disk->queue = SIGAR_FIELD_NOTIMPL; + + return SIGAR_OK; +} + +static int get_iostat_proc_dstat(sigar_t *sigar, + const char *dirname, + sigar_disk_usage_t *disk, + sigar_iodev_t **iodev, + sigar_disk_usage_t *device_usage) +{ + FILE *fp; + char buffer[1025]; + char *ptr; + struct stat sb; + int status=ENOENT; + + SIGAR_DISK_STATS_INIT(device_usage); + + if (!(*iodev = sigar_iodev_get(sigar, dirname))) { + return ENXIO; + } + + if (stat((*iodev)->name, &sb) < 0) { + return errno; + } + + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + PROC_DISKSTATS " %s -> %s [%d,%d]", + dirname, (*iodev)->name, + ST_MAJOR(sb), ST_MINOR(sb)); + } + + if (!(fp = fopen(PROC_DISKSTATS, "r"))) { + return errno; + } + + while ((ptr = fgets(buffer, sizeof(buffer), fp))) { + unsigned long major, minor; + + major = sigar_strtoul(ptr); + minor = sigar_strtoul(ptr); + + if ((major == ST_MAJOR(sb)) && + ((minor == ST_MINOR(sb)) || (minor == 0))) + { + int num; + unsigned long + rio, rmerge, rsect, ruse, + wio, wmerge, wsect, wuse, + running, use, aveq; + + ptr = sigar_skip_token(ptr); /* name */ + + num = sscanf(ptr, + "%lu %lu %lu %lu " + "%lu %lu %lu %lu " + "%lu %lu %lu", + &rio, /* 1 # reads issued */ + &rmerge, /* 2 # reads merged */ + &rsect, /* 3 # sectors read */ + &ruse, /* 4 # millis spent reading */ + &wio, /* 5 # writes completed */ + &wmerge, /* 6 # writes merged */ + &wsect, /* 7 # sectors written */ + &wuse, /* 8 # millis spent writing */ + &running, /* 9 # I/Os currently in progress */ + &use, /* 10 # millis spent doing I/Os */ + &aveq); /* 11 # of millis spent doing I/Os (weighted) */ + + if (num == 11) { + disk->rtime = ruse; + disk->wtime = wuse; + disk->time = use; + disk->qtime = aveq; + } + else if (num == 4) { + wio = rsect; + rsect = rmerge; + wsect = ruse; + disk->time = disk->qtime = SIGAR_FIELD_NOTIMPL; + } + else { + status = ENOENT; + } + + disk->reads = rio; + disk->writes = wio; + disk->read_bytes = rsect; + disk->write_bytes = wsect; + + /* convert sectors to bytes (512 is fixed size in 2.6 kernels) */ + disk->read_bytes *= 512; + disk->write_bytes *= 512; + + if (minor == ST_MINOR(sb)) { + status = SIGAR_OK; + break; + } + else if (minor == 0) { + memcpy(device_usage, disk, sizeof(*device_usage)); + } + } + } + + fclose(fp); + + return status; +} + +static int get_iostat_procp(sigar_t *sigar, + const char *dirname, + sigar_disk_usage_t *disk, + sigar_iodev_t **iodev) +{ + FILE *fp; + char buffer[1025]; + char *ptr; + struct stat sb; + + if (!(*iodev = sigar_iodev_get(sigar, dirname))) { + return ENXIO; + } + + if (stat((*iodev)->name, &sb) < 0) { + return errno; + } + + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + PROC_PARTITIONS " %s -> %s [%d,%d]", + dirname, (*iodev)->name, + ST_MAJOR(sb), ST_MINOR(sb)); + } + + if (!(fp = fopen(PROC_PARTITIONS, "r"))) { + return errno; + } + + (void)fgets(buffer, sizeof(buffer), fp); /* skip header */ + while ((ptr = fgets(buffer, sizeof(buffer), fp))) { + unsigned long major, minor; + + major = sigar_strtoul(ptr); + minor = sigar_strtoul(ptr); + + if ((major == ST_MAJOR(sb)) && (minor == ST_MINOR(sb))) { + ptr = sigar_skip_token(ptr); /* blocks */ + ptr = sigar_skip_token(ptr); /* name */ + disk->reads = sigar_strtoull(ptr); /* rio */ + ptr = sigar_skip_token(ptr); /* rmerge */ + disk->read_bytes = sigar_strtoull(ptr); /* rsect */ + disk->rtime = sigar_strtoull(ptr); /* ruse */ + disk->writes = sigar_strtoull(ptr); /* wio */ + ptr = sigar_skip_token(ptr); /* wmerge */ + disk->write_bytes = sigar_strtoull(ptr); /* wsect */ + disk->wtime = sigar_strtoull(ptr); /* wuse */ + ptr = sigar_skip_token(ptr); /* running */ + disk->time = sigar_strtoull(ptr); /* use */ + disk->qtime = sigar_strtoull(ptr); /* aveq */ + + /* convert sectors to bytes (512 is fixed size in 2.6 kernels) */ + disk->read_bytes *= 512; + disk->write_bytes *= 512; + + fclose(fp); + return SIGAR_OK; + } + } + + fclose(fp); + + return ENOENT; +} + +int sigar_disk_usage_get(sigar_t *sigar, const char *name, + sigar_disk_usage_t *disk) +{ + int status; + sigar_iodev_t *iodev = NULL; + sigar_disk_usage_t device_usage; + SIGAR_DISK_STATS_INIT(disk); + + /* + * 2.2 has metrics /proc/stat, but wtf is the device mapping? + * 2.4 has /proc/partitions w/ the metrics. + * 2.6 has /proc/partitions w/o the metrics. + * instead the metrics are within the /proc-like /sys filesystem. + * also has /proc/diskstats + */ + switch (sigar->iostat) { + case IOSTAT_SYS: + status = get_iostat_sys(sigar, name, disk, &iodev); + break; + case IOSTAT_DISKSTATS: + status = get_iostat_proc_dstat(sigar, name, disk, &iodev, &device_usage); + break; + case IOSTAT_PARTITIONS: + status = get_iostat_procp(sigar, name, disk, &iodev); + break; + /* + * case IOSTAT_SOME_OTHER_WIERD_THING: + * break; + */ + case IOSTAT_NONE: + default: + status = ENOENT; + break; + } + + if ((status == SIGAR_OK) && iodev) { + sigar_uptime_t uptime; + sigar_uint64_t interval, ios; + double tput, util; + sigar_disk_usage_t *partition_usage=NULL; + + sigar_uptime_get(sigar, &uptime); + + if (iodev->is_partition && + (sigar->iostat == IOSTAT_DISKSTATS)) + { + /* 2.6 kernels do not have per-partition times */ + partition_usage = disk; + disk = &device_usage; + } + + disk->snaptime = uptime.uptime; + + if (iodev->disk.snaptime) { + interval = disk->snaptime - iodev->disk.snaptime; + } + else { + interval = disk->snaptime; + } + + ios = + (disk->reads - iodev->disk.reads) + + (disk->writes - iodev->disk.writes); + + if (disk->time == SIGAR_FIELD_NOTIMPL) { + disk->service_time = SIGAR_FIELD_NOTIMPL; + } + else { + tput = ((double)ios) * HZ / interval; + util = ((double)(disk->time - iodev->disk.time)) / interval * HZ; + disk->service_time = tput ? util / tput : 0.0; + } + if (disk->qtime == SIGAR_FIELD_NOTIMPL) { + disk->queue = SIGAR_FIELD_NOTIMPL; + } + else { + util = ((double)(disk->qtime - iodev->disk.qtime)) / interval; + disk->queue = util / 1000.0; + } + + memcpy(&iodev->disk, disk, sizeof(iodev->disk)); + if (partition_usage) { + partition_usage->service_time = disk->service_time; + partition_usage->queue = disk->queue; + } + } + + return status; +} + +int sigar_file_system_usage_get(sigar_t *sigar, + const char *dirname, + sigar_file_system_usage_t *fsusage) +{ + int status = sigar_statvfs(sigar, dirname, fsusage); + + if (status != SIGAR_OK) { + return status; + } + + fsusage->use_percent = sigar_file_system_usage_calc_used(sigar, fsusage); + + (void)sigar_disk_usage_get(sigar, dirname, &fsusage->disk); + + return SIGAR_OK; +} + +static SIGAR_INLINE char *cpu_info_strval(char *ptr) +{ + if ((ptr = strchr(ptr, ':'))) { + ptr++; + while (isspace (*ptr)) ptr++; + return ptr; + } + return NULL; +} + +static SIGAR_INLINE void cpu_info_strcpy(char *ptr, char *buf, int len) +{ + int slen; + ptr = cpu_info_strval(ptr); + if (!ptr) { + return; + } + slen = strlen(ptr); + strncpy(buf, ptr, len); + buf[len] = '\0'; + if (slen < len) { + buf[slen-1] = '\0'; /* rid \n */ + } +} + +static int get_cpu_info(sigar_t *sigar, sigar_cpu_info_t *info, + FILE *fp) +{ + char buffer[BUFSIZ], *ptr; + + int found = 0; + + /* UML vm wont have "cpu MHz" or "cache size" fields */ + info->mhz = 0; + info->cache_size = 0; + +#ifdef __powerpc64__ + SIGAR_SSTRCPY(info->vendor, "IBM"); +#endif + + while ((ptr = fgets(buffer, sizeof(buffer), fp))) { + switch (*ptr) { + case 'p': /* processor : 0 */ + if (strnEQ(ptr, "processor", 9)) { + found = 1; + } + break; + case 'v': + /* "vendor_id" or "vendor" */ + if (strnEQ(ptr, "vendor", 6)) { + cpu_info_strcpy(ptr, info->vendor, sizeof(info->vendor)); + if (strEQ(info->vendor, "GenuineIntel")) { + SIGAR_SSTRCPY(info->vendor, "Intel"); + } + else if (strEQ(info->vendor, "AuthenticAMD")) { + SIGAR_SSTRCPY(info->vendor, "AMD"); + } + } + break; + case 'f': + if (strnEQ(ptr, "family", 6)) { + /* IA64 version of "model name" */ + cpu_info_strcpy(ptr, info->model, sizeof(info->model)); + sigar_cpu_model_adjust(sigar, info); + } + break; + case 'm': + if (strnEQ(ptr, "model name", 10)) { + cpu_info_strcpy(ptr, info->model, sizeof(info->model)); + sigar_cpu_model_adjust(sigar, info); + } + break; + case 'c': + if (strnEQ(ptr, "cpu MHz", 7)) { + ptr = cpu_info_strval(ptr); + info->mhz = atoi(ptr); + } + else if (strnEQ(ptr, "cache size", 10)) { + ptr = cpu_info_strval(ptr); + info->cache_size = sigar_strtoul(ptr); + } +#ifdef __powerpc64__ + /* each /proc/cpuinfo entry looks like so: + * processor : 0 + * cpu : POWER5 (gr) + * clock : 1656.392000MHz + * revision : 2.2 + */ + else if (strnEQ(ptr, "clock", 5)) { + ptr = cpu_info_strval(ptr); + info->mhz = atoi(ptr); + } + else if (strnEQ(ptr, "cpu", 3)) { + cpu_info_strcpy(ptr, info->model, sizeof(info->model)); + + if ((ptr = strchr(info->model, ' '))) { + /* "POWER5 (gr)" -> "POWER5" */ + *ptr = '\0'; + } + } +#endif + break; + /* lone \n means end of info for this processor */ + case '\n': + return found; + } + } + + return found; +} + +/* /proc/cpuinfo MHz will change w/ AMD + PowerNow */ +static void get_cpuinfo_max_freq(sigar_cpu_info_t *cpu_info, int num) +{ + int status; + char max_freq[PATH_MAX]; + snprintf(max_freq, sizeof(max_freq), + "/sys/devices/system/cpu/cpu%d" + "/cpufreq/cpuinfo_max_freq", num); + + status = + sigar_file2str(max_freq, max_freq, sizeof(max_freq)-1); + + if (status == SIGAR_OK) { + cpu_info->mhz_max = atoi(max_freq) / 1000; + } +} + +static void get_cpuinfo_min_freq(sigar_cpu_info_t *cpu_info, int num) +{ + int status; + char min_freq[PATH_MAX]; + snprintf(min_freq, sizeof(min_freq), + "/sys/devices/system/cpu/cpu%d" + "/cpufreq/cpuinfo_min_freq", num); + + status = + sigar_file2str(min_freq, min_freq, sizeof(min_freq)-1); + + if (status == SIGAR_OK) { + cpu_info->mhz_min = atoi(min_freq) / 1000; + } +} + +int sigar_cpu_info_list_get(sigar_t *sigar, + sigar_cpu_info_list_t *cpu_infos) +{ + FILE *fp; + int core_rollup = sigar_cpu_core_rollup(sigar), i=0; + + if (!(fp = fopen(PROC_FS_ROOT "cpuinfo", "r"))) { + return errno; + } + + (void)sigar_cpu_total_count(sigar); + sigar_cpu_info_list_create(cpu_infos); + + while (get_cpu_info(sigar, &cpu_infos->data[cpu_infos->number], fp)) { + sigar_cpu_info_t *info; + + if (core_rollup && (i++ % sigar->lcpu)) { + continue; /* fold logical processors */ + } + + info = &cpu_infos->data[cpu_infos->number]; + get_cpuinfo_max_freq(info, cpu_infos->number); + get_cpuinfo_min_freq(info, cpu_infos->number); + + info->total_cores = sigar->ncpu; + info->cores_per_socket = sigar->lcpu; + info->total_sockets = sigar_cpu_socket_count(sigar); + + ++cpu_infos->number; + SIGAR_CPU_INFO_LIST_GROW(cpu_infos); + } + + fclose(fp); + + return SIGAR_OK; +} + +static SIGAR_INLINE unsigned int hex2int(const char *x, int len) +{ + int i; + unsigned int j; + + for (i=0, j=0; isize = routelist->number = 0; + + if (!(fp = fopen(PROC_FS_ROOT "net/route", "r"))) { + return errno; + } + + sigar_net_route_list_create(routelist); + + (void)fgets(buffer, sizeof(buffer), fp); /* skip header */ + while (fgets(buffer, sizeof(buffer), fp)) { + int num; + + SIGAR_NET_ROUTE_LIST_GROW(routelist); + route = &routelist->data[routelist->number++]; + + /* XXX rid sscanf */ + num = sscanf(buffer, ROUTE_FMT, + route->ifname, net_addr, gate_addr, + &flags, &route->refcnt, &route->use, + &route->metric, mask_addr, + &route->mtu, &route->window, &route->irtt); + + if ((num < 10) || !(flags & RTF_UP)) { + --routelist->number; + continue; + } + + route->flags = flags; + + sigar_net_address_set(route->destination, hex2int(net_addr, HEX_ENT_LEN)); + sigar_net_address_set(route->gateway, hex2int(gate_addr, HEX_ENT_LEN)); + sigar_net_address_set(route->mask, hex2int(mask_addr, HEX_ENT_LEN)); + } + + fclose(fp); + + return SIGAR_OK; +} + +int sigar_net_interface_stat_get(sigar_t *sigar, const char *name, + sigar_net_interface_stat_t *ifstat) +{ + int found = 0; + char buffer[BUFSIZ]; + FILE *fp = fopen(PROC_FS_ROOT "net/dev", "r"); + + if (!fp) { + return errno; + } + + /* skip header */ + fgets(buffer, sizeof(buffer), fp); + fgets(buffer, sizeof(buffer), fp); + + while (fgets(buffer, sizeof(buffer), fp)) { + char *ptr, *dev; + + dev = buffer; + while (isspace(*dev)) { + dev++; + } + + if (!(ptr = strchr(dev, ':'))) { + continue; + } + + *ptr++ = 0; + + if (!strEQ(dev, name)) { + continue; + } + + found = 1; + ifstat->rx_bytes = sigar_strtoull(ptr); + ifstat->rx_packets = sigar_strtoull(ptr); + ifstat->rx_errors = sigar_strtoull(ptr); + ifstat->rx_dropped = sigar_strtoull(ptr); + ifstat->rx_overruns = sigar_strtoull(ptr); + ifstat->rx_frame = sigar_strtoull(ptr); + + /* skip: compressed multicast */ + ptr = sigar_skip_multiple_token(ptr, 2); + + ifstat->tx_bytes = sigar_strtoull(ptr); + ifstat->tx_packets = sigar_strtoull(ptr); + ifstat->tx_errors = sigar_strtoull(ptr); + ifstat->tx_dropped = sigar_strtoull(ptr); + ifstat->tx_overruns = sigar_strtoull(ptr); + ifstat->tx_collisions = sigar_strtoull(ptr); + ifstat->tx_carrier = sigar_strtoull(ptr); + + ifstat->speed = SIGAR_FIELD_NOTIMPL; + + break; + } + + fclose(fp); + + return found ? SIGAR_OK : ENXIO; +} + +static SIGAR_INLINE void convert_hex_address(sigar_net_address_t *address, + char *ptr, int len) +{ + if (len > HEX_ENT_LEN) { + int i; + for (i=0; i<=3; i++, ptr+=HEX_ENT_LEN) { + address->addr.in6[i] = hex2int(ptr, HEX_ENT_LEN); + } + + address->family = SIGAR_AF_INET6; + } + else { + address->addr.in = + (len == HEX_ENT_LEN) ? hex2int(ptr, HEX_ENT_LEN) : 0; + + address->family = SIGAR_AF_INET; + } +} + +typedef struct { + sigar_net_connection_list_t *connlist; + sigar_net_connection_t *conn; + unsigned long port; +} net_conn_getter_t; + +static int proc_net_walker(sigar_net_connection_walker_t *walker, + sigar_net_connection_t *conn) +{ + net_conn_getter_t *getter = + (net_conn_getter_t *)walker->data; + + if (getter->connlist) { + SIGAR_NET_CONNLIST_GROW(getter->connlist); + memcpy(&getter->connlist->data[getter->connlist->number++], + conn, sizeof(*conn)); + } + else { + if ((getter->port == conn->local_port) && + (conn->remote_port == 0)) + { + memcpy(getter->conn, conn, sizeof(*conn)); + return !SIGAR_OK; /* break loop */ + } + } + + return SIGAR_OK; /* continue loop */ +} + +#define SKIP_WHILE(p, c) while (*p == c) p++ +#define SKIP_PAST(p, c) \ + while(*p && (*p != c)) p++; \ + SKIP_WHILE(p, c) + +typedef struct { + FILE *fp; + int (*close)(FILE *); +} xproc_t; + +static FILE *xproc_open(const char *command, xproc_t *xproc) +{ + struct stat sb; + if (stat(command, &sb) == 0) { + if (sb.st_mode & S_IXUSR) { + /* executable script for testing large + * conn table where we can sleep() to better + * simulate /proc/net/tcp behavior + */ + xproc->fp = popen(command, "r"); + xproc->close = pclose; + } + else { + xproc->fp = fopen(command, "r"); + xproc->close = fclose; + } + return xproc->fp; + } + else { + return NULL; + } +} + +static int proc_net_read(sigar_net_connection_walker_t *walker, + const char *fname, + int type) +{ + FILE *fp = NULL; + char buffer[8192]; + sigar_t *sigar = walker->sigar; + char *ptr = sigar->proc_net; + int flags = walker->flags; + xproc_t xproc = { NULL, fclose }; + + if (ptr) { + snprintf(buffer, sizeof(buffer), + "%s/%s", ptr, + fname + sizeof(PROC_FS_ROOT)-1); + + if ((fp = xproc_open(buffer, &xproc))) { + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[proc_net] using %s", + buffer); + } + } + else if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[proc_net] cannot open %s", + buffer); + } + } + + if (!(fp || (fp = fopen(fname, "r")))) { + return errno; + } + + fgets(buffer, sizeof(buffer), fp); /* skip header */ + + while ((ptr = fgets(buffer, sizeof(buffer), fp))) { + sigar_net_connection_t conn; + char *laddr, *raddr; + int laddr_len=0, raddr_len=0; + int more; + + /* skip leading space */ + SKIP_WHILE(ptr, ' '); + + /* skip "%d: " */ + SKIP_PAST(ptr, ' '); + + laddr = ptr; + while (*ptr && (*ptr != ':')) { + laddr_len++; + ptr++; + } + SKIP_WHILE(ptr, ':'); + + conn.local_port = (strtoul(ptr, &ptr, 16) & 0xffff); + + SKIP_WHILE(ptr, ' '); + + raddr = ptr; + while (*ptr && (*ptr != ':')) { + raddr_len++; + ptr++; + } + SKIP_WHILE(ptr, ':'); + + conn.remote_port = (strtoul(ptr, &ptr, 16) & 0xffff); + + SKIP_WHILE(ptr, ' '); + + if (!((conn.remote_port && (flags & SIGAR_NETCONN_CLIENT)) || + (!conn.remote_port && (flags & SIGAR_NETCONN_SERVER)))) + { + continue; + } + + conn.type = type; + + convert_hex_address(&conn.local_address, + laddr, laddr_len); + + convert_hex_address(&conn.remote_address, + raddr, raddr_len); + + /* SIGAR_TCP_* currently matches TCP_* in linux/tcp.h */ + conn.state = hex2int(ptr, 2); + ptr += 2; + SKIP_WHILE(ptr, ' '); + + conn.send_queue = hex2int(ptr, HEX_ENT_LEN); + ptr += HEX_ENT_LEN+1; /* tx + ':' */; + + conn.receive_queue = hex2int(ptr, HEX_ENT_LEN); + ptr += HEX_ENT_LEN; + SKIP_WHILE(ptr, ' '); + + SKIP_PAST(ptr, ' '); /* tr:tm->whem */ + SKIP_PAST(ptr, ' '); /* retrnsmt */ + + conn.uid = sigar_strtoul(ptr); + + SKIP_WHILE(ptr, ' '); + SKIP_PAST(ptr, ' '); /* timeout */ + + conn.inode = sigar_strtoul(ptr); + + more = walker->add_connection(walker, &conn); + if (more != SIGAR_OK) { + xproc.close(fp); + return SIGAR_OK; + } + } + + xproc.close(fp); + + return SIGAR_OK; +} + +int sigar_net_connection_walk(sigar_net_connection_walker_t *walker) +{ + int flags = walker->flags; + int status; + + if (flags & SIGAR_NETCONN_TCP) { + status = proc_net_read(walker, + PROC_FS_ROOT "net/tcp", + SIGAR_NETCONN_TCP); + + if (status != SIGAR_OK) { + return status; + } + + status = proc_net_read(walker, + PROC_FS_ROOT "net/tcp6", + SIGAR_NETCONN_TCP); + + if (!((status == SIGAR_OK) || (status == ENOENT))) { + return status; + } + } + + if (flags & SIGAR_NETCONN_UDP) { + status = proc_net_read(walker, + PROC_FS_ROOT "net/udp", + SIGAR_NETCONN_UDP); + + if (status != SIGAR_OK) { + return status; + } + + status = proc_net_read(walker, + PROC_FS_ROOT "net/udp6", + SIGAR_NETCONN_UDP); + + if (!((status == SIGAR_OK) || (status == ENOENT))) { + return status; + } + } + + if (flags & SIGAR_NETCONN_RAW) { + status = proc_net_read(walker, + PROC_FS_ROOT "net/raw", + SIGAR_NETCONN_RAW); + + if (status != SIGAR_OK) { + return status; + } + + status = proc_net_read(walker, + PROC_FS_ROOT "net/raw6", + SIGAR_NETCONN_RAW); + + if (!((status == SIGAR_OK) || (status == ENOENT))) { + return status; + } + } + + /* XXX /proc/net/unix */ + + return SIGAR_OK; +} + +int sigar_net_connection_list_get(sigar_t *sigar, + sigar_net_connection_list_t *connlist, + int flags) +{ + int status; + sigar_net_connection_walker_t walker; + net_conn_getter_t getter; + + sigar_net_connection_list_create(connlist); + + getter.conn = NULL; + getter.connlist = connlist; + + walker.sigar = sigar; + walker.flags = flags; + walker.data = &getter; + walker.add_connection = proc_net_walker; + + status = sigar_net_connection_walk(&walker); + + if (status != SIGAR_OK) { + sigar_net_connection_list_destroy(sigar, connlist); + } + + return status; +} + +static int sigar_net_connection_get(sigar_t *sigar, + sigar_net_connection_t *netconn, + unsigned long port, + int flags) +{ + int status; + sigar_net_connection_walker_t walker; + net_conn_getter_t getter; + + getter.conn = netconn; + getter.connlist = NULL; + getter.port = port; + + walker.sigar = sigar; + walker.flags = flags; + walker.data = &getter; + walker.add_connection = proc_net_walker; + + status = sigar_net_connection_walk(&walker); + + return status; +} + +int sigar_net_interface_ipv6_config_get(sigar_t *sigar, const char *name, + sigar_net_interface_config_t *ifconfig) +{ + FILE *fp; + char addr[32+1], ifname[8+1]; + int status = SIGAR_ENOENT; + int idx, prefix, scope, flags; + + if (!(fp = fopen(PROC_FS_ROOT "net/if_inet6", "r"))) { + return errno; + } + + while (fscanf(fp, "%32s %02x %02x %02x %02x %8s\n", + addr, &idx, &prefix, &scope, &flags, ifname) != EOF) + { + if (strEQ(name, ifname)) { + status = SIGAR_OK; + break; + } + } + + fclose(fp); + + if (status == SIGAR_OK) { + int i=0; + unsigned char *addr6 = (unsigned char *)&(ifconfig->address6.addr.in6); + char *ptr = addr; + + for (i=0; i<16; i++, ptr+=2) { + addr6[i] = (unsigned char)hex2int(ptr, 2); + } + + ifconfig->prefix6_length = prefix; + ifconfig->scope6 = scope; + } + + return status; +} + +#define SNMP_TCP_PREFIX "Tcp: " + +SIGAR_DECLARE(int) +sigar_tcp_get(sigar_t *sigar, + sigar_tcp_t *tcp) +{ + FILE *fp; + char buffer[1024], *ptr=buffer; + int status = SIGAR_ENOENT; + + if (!(fp = fopen(PROC_FS_ROOT "net/snmp", "r"))) { + return errno; + } + + while (fgets(buffer, sizeof(buffer), fp)) { + if (strnEQ(buffer, SNMP_TCP_PREFIX, sizeof(SNMP_TCP_PREFIX)-1)) { + if (fgets(buffer, sizeof(buffer), fp)) { + status = SIGAR_OK; + break; + } + } + } + + fclose(fp); + + if (status == SIGAR_OK) { + /* assuming field order, same in 2.2, 2.4 and 2.6 kernels */ + /* Tcp: RtoAlgorithm RtoMin RtoMax MaxConn */ + ptr = sigar_skip_multiple_token(ptr, 5); + tcp->active_opens = sigar_strtoull(ptr); + tcp->passive_opens = sigar_strtoull(ptr); + tcp->attempt_fails = sigar_strtoull(ptr); + tcp->estab_resets = sigar_strtoull(ptr); + tcp->curr_estab = sigar_strtoull(ptr); + tcp->in_segs = sigar_strtoull(ptr); + tcp->out_segs = sigar_strtoull(ptr); + tcp->retrans_segs = sigar_strtoull(ptr); + tcp->in_errs = sigar_strtoull(ptr); + tcp->out_rsts = sigar_strtoull(ptr); + } + + return status; +} + +static int sigar_proc_nfs_gets(char *file, char *tok, + char *buffer, size_t size) +{ + int status = ENOENT; + int len = strlen(tok); + FILE *fp = fopen(file, "r"); + + if (!fp) { + return SIGAR_ENOTIMPL; + } + + while (fgets(buffer, size, fp)) { + if (strnEQ(buffer, tok, len)) { + status = SIGAR_OK; + break; + } + } + + fclose(fp); + + return status; +} + +static int sigar_nfs_v2_get(char *file, sigar_nfs_v2_t *nfs) +{ + char buffer[BUFSIZ], *ptr=buffer; + int status = + sigar_proc_nfs_gets(file, + "proc2", buffer, sizeof(buffer)); + + if (status != SIGAR_OK) { + return status; + } + + ptr = sigar_skip_multiple_token(ptr, 2); + + nfs->null = sigar_strtoull(ptr); + nfs->getattr = sigar_strtoull(ptr); + nfs->setattr = sigar_strtoull(ptr); + nfs->root = sigar_strtoull(ptr); + nfs->lookup = sigar_strtoull(ptr); + nfs->readlink = sigar_strtoull(ptr); + nfs->read = sigar_strtoull(ptr); + nfs->writecache = sigar_strtoull(ptr); + nfs->write = sigar_strtoull(ptr); + nfs->create = sigar_strtoull(ptr); + nfs->remove = sigar_strtoull(ptr); + nfs->rename = sigar_strtoull(ptr); + nfs->link = sigar_strtoull(ptr); + nfs->symlink = sigar_strtoull(ptr); + nfs->mkdir = sigar_strtoull(ptr); + nfs->rmdir = sigar_strtoull(ptr); + nfs->readdir = sigar_strtoull(ptr); + nfs->fsstat = sigar_strtoull(ptr); + + return SIGAR_OK; +} + +int sigar_nfs_client_v2_get(sigar_t *sigar, + sigar_nfs_client_v2_t *nfs) +{ + return sigar_nfs_v2_get(PROC_FS_ROOT "net/rpc/nfs", + (sigar_nfs_v2_t *)nfs); +} + +int sigar_nfs_server_v2_get(sigar_t *sigar, + sigar_nfs_server_v2_t *nfs) +{ + return sigar_nfs_v2_get(PROC_FS_ROOT "net/rpc/nfsd", + (sigar_nfs_v2_t *)nfs); +} + +static int sigar_nfs_v3_get(char *file, sigar_nfs_v3_t *nfs) +{ + char buffer[BUFSIZ], *ptr=buffer; + int status = + sigar_proc_nfs_gets(file, + "proc3", buffer, sizeof(buffer)); + + if (status != SIGAR_OK) { + return status; + } + + ptr = sigar_skip_multiple_token(ptr, 2); + + nfs->null = sigar_strtoull(ptr); + nfs->getattr = sigar_strtoull(ptr); + nfs->setattr = sigar_strtoull(ptr); + nfs->lookup = sigar_strtoull(ptr); + nfs->access = sigar_strtoull(ptr); + nfs->readlink = sigar_strtoull(ptr); + nfs->read = sigar_strtoull(ptr); + nfs->write = sigar_strtoull(ptr); + nfs->create = sigar_strtoull(ptr); + nfs->mkdir = sigar_strtoull(ptr); + nfs->symlink = sigar_strtoull(ptr); + nfs->mknod = sigar_strtoull(ptr); + nfs->remove = sigar_strtoull(ptr); + nfs->rmdir = sigar_strtoull(ptr); + nfs->rename = sigar_strtoull(ptr); + nfs->link = sigar_strtoull(ptr); + nfs->readdir = sigar_strtoull(ptr); + nfs->readdirplus = sigar_strtoull(ptr); + nfs->fsstat = sigar_strtoull(ptr); + nfs->fsinfo = sigar_strtoull(ptr); + nfs->pathconf = sigar_strtoull(ptr); + nfs->commit = sigar_strtoull(ptr); + + return SIGAR_OK; +} + +int sigar_nfs_client_v3_get(sigar_t *sigar, + sigar_nfs_client_v3_t *nfs) +{ + return sigar_nfs_v3_get(PROC_FS_ROOT "net/rpc/nfs", + (sigar_nfs_v3_t *)nfs); +} + +int sigar_nfs_server_v3_get(sigar_t *sigar, + sigar_nfs_server_v3_t *nfs) +{ + return sigar_nfs_v3_get(PROC_FS_ROOT "net/rpc/nfsd", + (sigar_nfs_v3_t *)nfs); +} + +#include + +static char *get_hw_type(int type) +{ + switch (type) { + case ARPHRD_AX25: + return "ax25"; + case ARPHRD_ECONET: + return "ec"; + case ARPHRD_ETHER: + return "ether"; + case ARPHRD_FDDI: + return "fddi"; + case ARPHRD_DLCI: + return "dlci"; + case ARPHRD_FRAD: + return "frad"; + case ARPHRD_HDLC: + return "hdlc"; + case ARPHRD_LAPB: + return "lapb"; + case ARPHRD_HIPPI: + return "hippi"; + case ARPHRD_IRDA: + return "irda"; + case ARPHRD_LOOPBACK: + return "loop"; + case ARPHRD_NETROM: + return "netrom"; + case ARPHRD_PPP: + return "ppp"; + case ARPHRD_ROSE: + return "rose"; + case ARPHRD_SIT: + return "sit"; + case ARPHRD_SLIP: + return "slip"; + case ARPHRD_CSLIP: + return "cslip"; + case ARPHRD_SLIP6: + return "slip6"; + case ARPHRD_CSLIP6: + return "cslip6"; + case ARPHRD_ADAPT: + return "adaptive"; + case ARPHRD_IEEE802: + return "tr"; + case ARPHRD_IEEE802_TR: + return "tr"; + case ARPHRD_TUNNEL: + return "tunnel"; + case ARPHRD_X25: + return "x25"; + default: + return "unknown"; + } +} + +int sigar_arp_list_get(sigar_t *sigar, + sigar_arp_list_t *arplist) +{ + FILE *fp; + char buffer[1024]; + char net_addr[128], hwaddr[128], mask_addr[128]; + int flags, type, status; + sigar_arp_t *arp; + + arplist->size = arplist->number = 0; + + if (!(fp = fopen(PROC_FS_ROOT "net/arp", "r"))) { + return errno; + } + + sigar_arp_list_create(arplist); + + (void)fgets(buffer, sizeof(buffer), fp); /* skip header */ + while (fgets(buffer, sizeof(buffer), fp)) { + int num; + + SIGAR_ARP_LIST_GROW(arplist); + arp = &arplist->data[arplist->number++]; + + /* XXX rid sscanf */ + num = sscanf(buffer, "%128s 0x%x 0x%x %128s %128s %16s", + net_addr, &type, &flags, + hwaddr, mask_addr, arp->ifname); + + if (num < 6) { + --arplist->number; + continue; + } + + arp->flags = flags; + status = inet_pton(AF_INET, net_addr, &arp->address.addr); + if (status > 0) { + arp->address.family = SIGAR_AF_INET; + } + else if ((status = inet_pton(AF_INET6, net_addr, &arp->address.addr)) > 0) { + arp->address.family = SIGAR_AF_INET6; + } + else { + sigar_log_printf(sigar, SIGAR_LOG_WARN, + "[arp] failed to parse address='%s' (%s)\n", net_addr, + ((status == 0) ? "Invalid format" : sigar_strerror(sigar, errno))); + --arplist->number; + continue; + } + + num = sscanf(hwaddr, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", + &arp->hwaddr.addr.mac[0], + &arp->hwaddr.addr.mac[1], + &arp->hwaddr.addr.mac[2], + &arp->hwaddr.addr.mac[3], + &arp->hwaddr.addr.mac[4], + &arp->hwaddr.addr.mac[5]); + if (num < 6) { + sigar_log_printf(sigar, SIGAR_LOG_WARN, + "[arp] failed to parse hwaddr='%s' (%s)\n", hwaddr); + --arplist->number; + continue; + } + arp->hwaddr.family = SIGAR_AF_LINK; + + SIGAR_SSTRCPY(arp->type, get_hw_type(type)); + } + + fclose(fp); + + return SIGAR_OK; +} + +int sigar_proc_port_get(sigar_t *sigar, int protocol, + unsigned long port, sigar_pid_t *pid) +{ + int status; + sigar_net_connection_t netconn; + DIR *dirp; + struct dirent *ent, dbuf; + + SIGAR_ZERO(&netconn); + *pid = 0; + + status = sigar_net_connection_get(sigar, &netconn, port, + SIGAR_NETCONN_SERVER|protocol); + + if (status != SIGAR_OK) { + return status; + } + + if (netconn.local_port != port) { + return SIGAR_OK; /* XXX or ENOENT? */ + } + + if (!(dirp = opendir(PROCP_FS_ROOT))) { + return errno; + } + + while (readdir_r(dirp, &dbuf, &ent) == 0) { + DIR *fd_dirp; + struct dirent *fd_ent, fd_dbuf; + struct stat sb; + char fd_name[BUFSIZ], pid_name[BUFSIZ]; + int len, slen; + + if (ent == NULL) { + break; + } + + if (!sigar_isdigit(*ent->d_name)) { + continue; + } + + /* sprintf(pid_name, "/proc/%s", ent->d_name) */ + memcpy(&pid_name[0], PROCP_FS_ROOT, SSTRLEN(PROCP_FS_ROOT)); + len = SSTRLEN(PROCP_FS_ROOT); + pid_name[len++] = '/'; + + slen = strlen(ent->d_name); + memcpy(&pid_name[len], ent->d_name, slen); + len += slen; + pid_name[len] = '\0'; + + if (stat(pid_name, &sb) < 0) { + continue; + } + if (sb.st_uid != netconn.uid) { + continue; + } + + /* sprintf(fd_name, "%s/fd", pid_name) */ + memcpy(&fd_name[0], pid_name, len); + memcpy(&fd_name[len], "/fd", 3); + fd_name[len+=3] = '\0'; + + if (!(fd_dirp = opendir(fd_name))) { + continue; + } + + while (readdir_r(fd_dirp, &fd_dbuf, &fd_ent) == 0) { + char fd_ent_name[BUFSIZ]; + + if (fd_ent == NULL) { + break; + } + + if (!sigar_isdigit(*fd_ent->d_name)) { + continue; + } + + /* sprintf(fd_ent_name, "%s/%s", fd_name, fd_ent->d_name) */ + slen = strlen(fd_ent->d_name); + memcpy(&fd_ent_name[0], fd_name, len); + fd_ent_name[len] = '/'; + memcpy(&fd_ent_name[len+1], fd_ent->d_name, slen); + fd_ent_name[len+1+slen] = '\0'; + + if (stat(fd_ent_name, &sb) < 0) { + continue; + } + + if (sb.st_ino == netconn.inode) { + closedir(fd_dirp); + closedir(dirp); + *pid = strtoul(ent->d_name, NULL, 10); + return SIGAR_OK; + } + + } + + closedir(fd_dirp); + } + + closedir(dirp); + + return SIGAR_OK; +} + +static void generic_vendor_parse(char *line, sigar_sys_info_t *info) +{ + char *ptr; + int len = 0; + + while (*line) { + SIGAR_SKIP_SPACE(line); + if (!isdigit(*line)) { + ++line; + continue; + } + + ptr = line; + while ((isdigit(*ptr) || (*ptr == '.'))) { + ++ptr; + ++len; + } + + if (len) { + /* sanity check */ + if (len > sizeof(info->vendor_version)) { + continue; + } + memcpy(info->vendor_version, line, len);/*XXX*/ + info->vendor_version[len] = '\0'; + return; + } + } +} + +static void redhat_vendor_parse(char *line, sigar_sys_info_t *info) +{ + char *start, *end; + + generic_vendor_parse(line, info); /* super.parse */ + + if ((start = strchr(line, '('))) { + ++start; + if ((end = strchr(start, ')'))) { + int len = end-start; + memcpy(info->vendor_code_name, start, len);/*XXX*/ + info->vendor_code_name[len] = '\0'; + } + } + +#define RHEL_PREFIX "Red Hat Enterprise Linux " +#define CENTOS_VENDOR "CentOS" +#define SL_VENDOR "Scientific Linux" + + if (strnEQ(line, RHEL_PREFIX, sizeof(RHEL_PREFIX)-1)) { + snprintf(info->vendor_version, + sizeof(info->vendor_version), + "Enterprise Linux %c", + info->vendor_version[0]); + } + else if (strnEQ(line, CENTOS_VENDOR, sizeof(CENTOS_VENDOR)-1)) { + SIGAR_SSTRCPY(info->vendor, CENTOS_VENDOR); + } + else if (strnEQ(line, SL_VENDOR, sizeof(SL_VENDOR)-1)) { + SIGAR_SSTRCPY(info->vendor, SL_VENDOR); + } +} + +#define is_quote(c) ((c == '\'') || (c == '"')) + +static void kv_parse(char *data, sigar_sys_info_t *info, + void (*func)(sigar_sys_info_t *, char *, char *)) +{ + char *ptr = data; + int len = strlen(data); + char *end = data+len; + + while (ptr < end) { + char *val = strchr(ptr, '='); + int klen, vlen; + char key[256], *ix; + + if (!val) { + continue; + } + klen = val - ptr; + SIGAR_SSTRCPY(key, ptr); + key[klen] = '\0'; + ++val; + + if ((ix = strchr(val, '\n'))) { + *ix = '\0'; + } + vlen = strlen(val); + if (is_quote(*val)) { + if (is_quote(val[vlen-1])) { + val[vlen-1] = '\0'; + } + ++val; + } + + func(info, key, val); + + ptr += (klen + 1 + vlen + 1); + } +} + +static void lsb_parse(sigar_sys_info_t *info, + char *key, char *val) +{ + if (strEQ(key, "DISTRIB_ID")) { + SIGAR_SSTRCPY(info->vendor, val); + } + else if (strEQ(key, "DISTRIB_RELEASE")) { + SIGAR_SSTRCPY(info->vendor_version, val); + } + else if (strEQ(key, "DISTRIB_CODENAME")) { + SIGAR_SSTRCPY(info->vendor_code_name, val); + } +} + +static void lsb_vendor_parse(char *data, sigar_sys_info_t *info) +{ + kv_parse(data, info, lsb_parse); +} + +static void xen_parse(sigar_sys_info_t *info, + char *key, char *val) +{ + if (strEQ(key, "PRODUCT_VERSION")) { + SIGAR_SSTRCPY(info->vendor_version, val); + } + else if (strEQ(key, "KERNEL_VERSION")) { + SIGAR_SSTRCPY(info->version, val); + } +} + +static void xen_vendor_parse(char *data, sigar_sys_info_t *info) +{ + kv_parse(data, info, xen_parse); + + snprintf(info->description, + sizeof(info->description), + "XenServer %s", + info->vendor_version); +} + +typedef struct { + const char *name; + const char *file; + void (*parse)(char *, sigar_sys_info_t *); +} linux_vendor_info_t; + +static linux_vendor_info_t linux_vendors[] = { + { "Fedora", "/etc/fedora-release", NULL }, + { "SuSE", "/etc/SuSE-release", NULL }, + { "Gentoo", "/etc/gentoo-release", NULL }, + { "Slackware", "/etc/slackware-version", NULL }, + { "Mandrake", "/etc/mandrake-release", NULL }, + { "VMware", "/proc/vmware/version", NULL }, + { "XenSource", "/etc/xensource-inventory", xen_vendor_parse }, + { "Red Hat", "/etc/redhat-release", redhat_vendor_parse }, + { "lsb", "/etc/lsb-release", lsb_vendor_parse }, + { "Debian", "/etc/debian_version", NULL }, + { NULL } +}; + +static int get_linux_vendor_info(sigar_sys_info_t *info) +{ + int i, status = ENOENT; + /* env vars for testing */ + const char *release_file = getenv("SIGAR_OS_RELEASE_FILE"); + const char *vendor_name = getenv("SIGAR_OS_VENDOR_NAME"); + char buffer[8192], *data; + linux_vendor_info_t *vendor = NULL; + + for (i=0; linux_vendors[i].name; i++) { + struct stat sb; + vendor = &linux_vendors[i]; + + if (release_file && vendor_name) { + if (!strEQ(vendor->name, vendor_name)) { + continue; + } + } + else { + if (stat(vendor->file, &sb) < 0) { + continue; + } + release_file = vendor->file; + } + + status = + sigar_file2str(release_file, buffer, sizeof(buffer)-1); + + break; + } + + if (status != SIGAR_OK) { + return status; + } + + data = buffer; + + SIGAR_SSTRCPY(info->vendor, vendor->name); + + if (vendor->parse) { + vendor->parse(data, info); + } + else { + generic_vendor_parse(data, info); + } + + if (info->description[0] == '\0') { + snprintf(info->description, + sizeof(info->description), + "%s %s", + info->vendor, info->vendor_version); + } + + return SIGAR_OK; +} + +int sigar_os_sys_info_get(sigar_t *sigar, + sigar_sys_info_t *sysinfo) +{ + + get_linux_vendor_info(sysinfo); + + return SIGAR_OK; +} diff --git a/vendor/sigar/src/os/linux/sigar_os.h b/vendor/sigar/src/os/linux/sigar_os.h new file mode 100644 index 0000000..29a2ba3 --- /dev/null +++ b/vendor/sigar/src/os/linux/sigar_os.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2004-2008 Hyperic, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SIGAR_OS_H +#define SIGAR_OS_H + +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +typedef struct { + sigar_pid_t pid; + time_t mtime; + sigar_uint64_t vsize; + sigar_uint64_t rss; + sigar_uint64_t minor_faults; + sigar_uint64_t major_faults; + sigar_uint64_t ppid; + int tty; + int priority; + int nice; + sigar_uint64_t start_time; + sigar_uint64_t utime; + sigar_uint64_t stime; + char name[SIGAR_PROC_NAME_LEN]; + char state; + int processor; +} linux_proc_stat_t; + +typedef enum { + IOSTAT_NONE, + IOSTAT_PARTITIONS, /* 2.4 */ + IOSTAT_DISKSTATS, /* 2.6 */ + IOSTAT_SYS /* 2.6 */ +} linux_iostat_e; + +struct sigar_t { + SIGAR_T_BASE; + int pagesize; + int ram; + int proc_signal_offset; + linux_proc_stat_t last_proc_stat; + int lcpu; + linux_iostat_e iostat; + char *proc_net; + /* Native POSIX Thread Library 2.6+ kernel */ + int has_nptl; +}; + +#define HAVE_STRERROR_R +#ifndef __USE_XOPEN2K +/* use gnu version of strerror_r */ +#define HAVE_STRERROR_R_GLIBC +#endif +#define HAVE_READDIR_R +#define HAVE_GETPWNAM_R +#define HAVE_GETPWUID_R +#define HAVE_GETGRGID_R + +#endif /* SIGAR_OS_H */ diff --git a/vendor/sigar/src/os/solaris/get_mib2.c b/vendor/sigar/src/os/solaris/get_mib2.c new file mode 100644 index 0000000..fbcadc6 --- /dev/null +++ b/vendor/sigar/src/os/solaris/get_mib2.c @@ -0,0 +1,321 @@ +/* + * get_mib2() -- get MIB2 information from Solaris 2.[3-7] kernel + * + * V. Abell + * Purdue University Computing Center + */ + + +/* + * Copyright 1995 Purdue Research Foundation, West Lafayette, Indiana + * 47907. All rights reserved. + * + * Written by Victor A. Abell + * + * This software is not subject to any license of the American Telephone + * and Telegraph Company or the Regents of the University of California. + * + * Permission is granted to anyone to use this software for any purpose on + * any computer system, and to alter it and redistribute it freely, subject + * to the following restrictions: + * + * 1. Neither Victor A Abell nor Purdue University are responsible for + * any consequences of the use of this software. + * + * 2. The origin of this software must not be misrepresented, either by + * explicit claim or by omission. Credit to Victor A. Abell and Purdue + * University must appear in documentation and sources. + * + * 3. Altered versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 4. This notice may not be removed or altered. + */ + +/* + * Altered for sigar: + * - remove static stuff to make thread-safe by Doug MacEachern (3/11/05) + */ + +#if 0 /*ndef lint -Wall -Werror*/ +static char copyright[] = +"@(#) Copyright 1995 Purdue Research Foundation.\nAll rights reserved.\n"; +#endif + +#include "get_mib2.h" + +#include +#include +#include +#include +#include +#include + +#ifdef DMALLOC +#include +#endif + +/* + * close_mib2() - close MIB2 access + * + * return: + * + * exit = GET_MIB2_OK if close succeeded + * GET_MIB2_* is the error code. + */ + +int +close_mib2(solaris_mib2_t *mib2) +{ + if (mib2->sd < 0) { + (void) strcpy(mib2->errmsg, "close_mib2: socket not open"); + return(GET_MIB2_ERR_NOTOPEN); + } + if (close(mib2->sd)) { + (void) sprintf(mib2->errmsg, "close_mib2: %s", strerror(errno)); + return(GET_MIB2_ERR_CLOSE); + } + mib2->sd = -1; + if (mib2->db_len && mib2->db) { + mib2->db_len = 0; + free((void *)mib2->db); + mib2->db = NULL; + } + if (mib2->smb_len && mib2->smb) { + mib2->smb_len = 0; + free((void *)mib2->smb); + mib2->smb = NULL; + } + return(GET_MIB2_OK); +} + + +/* + * get_mib2() - get MIB2 data + * + * return: + * + * exit = GET_MIB2_OK if get succeeded, and: + * *opt = opthdr structure address + * *data = data buffer address + * *datalen = size of data buffer + * GET_MIB2_* is the error code for failure. + */ + +int +get_mib2(solaris_mib2_t *mib2, + struct opthdr **opt, + char **data, + int *datalen) +{ + struct strbuf d; /* streams data buffer */ + int err; /* error code */ + int f; /* flags */ + int rc; /* reply code */ + + /* + * If MIB2 access isn't open, open it and issue the preliminary stream + * messages. + */ + if (mib2->sd < 0) { + /* + * Open access. Return on error. + */ + if ((err = open_mib2(mib2))) { + return(err); + } + /* + * Set up message request and option. + */ + mib2->req = (struct T_optmgmt_req *)mib2->smb; + mib2->op = (struct opthdr *)&mib2->smb[sizeof(struct T_optmgmt_req)]; + mib2->req->PRIM_type = T_OPTMGMT_REQ; + mib2->req->OPT_offset = sizeof(struct T_optmgmt_req); + mib2->req->OPT_length = sizeof(struct opthdr); + +#if defined(MI_T_CURRENT) + mib2->req->MGMT_flags = MI_T_CURRENT; +#else /* !defined(MI_T_CURRENT) */ +# if defined(T_CURRENT) + mib2->req->MGMT_flags = T_CURRENT; +# else /* !defined(T_CURRENT) */ +#error "Neither MI_T_CURRENT nor T_CURRENT are defined." +# endif /* defined(T_CURRENT) */ +#endif /* defined(MI_T_CURRENT) */ + + mib2->op->level = MIB2_IP; + mib2->op->name = mib2->op->len = 0; + mib2->ctlbuf.buf = mib2->smb; + mib2->ctlbuf.len = mib2->req->OPT_offset + mib2->req->OPT_length; + /* + * Put the message. + */ + if (putmsg(mib2->sd, &mib2->ctlbuf, (struct strbuf *)NULL, 0) == -1) { + (void) sprintf(mib2->errmsg, + "get_mib2: putmsg request: %s", strerror(errno)); + return(GET_MIB2_ERR_PUTMSG); + } + /* + * Set up to process replies. + */ + mib2->op_ack = (struct T_optmgmt_ack *)mib2->smb; + mib2->ctlbuf.maxlen = mib2->smb_len; + mib2->err_ack = (struct T_error_ack *)mib2->smb; + mib2->op = (struct opthdr *)&mib2->smb[sizeof(struct T_optmgmt_ack)]; + } + /* + * Get the next (first) reply message. + */ + f = 0; + if ((rc = getmsg(mib2->sd, &mib2->ctlbuf, NULL, &f)) < 0) { + (void) sprintf(mib2->errmsg, "get_mib2: getmsg(reply): %s", + strerror(errno)); + return(GET_MIB2_ERR_GETMSGR); + } + /* + * Check for end of data. + */ + if (rc == 0 + && mib2->ctlbuf.len >= sizeof(struct T_optmgmt_ack) + && mib2->op_ack->PRIM_type == T_OPTMGMT_ACK + && mib2->op_ack->MGMT_flags == T_SUCCESS + && mib2->op->len == 0) + { + err = close_mib2(mib2); + if (err) { + return(err); + } + return(GET_MIB2_EOD); + } + /* + * Check for error. + */ + if (mib2->ctlbuf.len >= sizeof(struct T_error_ack) + && mib2->err_ack->PRIM_type == T_ERROR_ACK) + { + (void) sprintf(mib2->errmsg, + "get_mib2: T_ERROR_ACK: len=%d, TLI=%#x, UNIX=%#x", + mib2->ctlbuf.len, + (int)mib2->err_ack->TLI_error, + (int)mib2->err_ack->UNIX_error); + return(GET_MIB2_ERR_ACK); + } + /* + * Check for no data. + */ + if (rc != MOREDATA + || mib2->ctlbuf.len < sizeof(struct T_optmgmt_ack) + || mib2->op_ack->PRIM_type != T_OPTMGMT_ACK + || mib2->op_ack->MGMT_flags != T_SUCCESS) + { + (void) sprintf(mib2->errmsg, + "get_mib2: T_OPTMGMT_ACK: " + "rc=%d len=%d type=%#x flags=%#x", + rc, mib2->ctlbuf.len, + (int)mib2->op_ack->PRIM_type, + (int)mib2->op_ack->MGMT_flags); + return(GET_MIB2_ERR_NODATA); + } + /* + * Allocate (or enlarge) the data buffer. + */ + if (mib2->op->len >= mib2->db_len) { + mib2->db_len = mib2->op->len; + if (mib2->db == NULL) { + mib2->db = (char *)malloc(mib2->db_len); + } + else { + mib2->db = (char *)realloc(mib2->db, mib2->db_len); + } + if (mib2->db == NULL) { + (void) sprintf(mib2->errmsg, + "get_mib2: no space for %d byte data buffer", + mib2->db_len); + return(GET_MIB2_ERR_NOSPC); + } + } + /* + * Get the data part of the message -- the MIB2 part. + */ + d.maxlen = mib2->op->len; + d.buf = mib2->db; + d.len = 0; + f = 0; + if ((rc = getmsg(mib2->sd, NULL, &d, &f)) < 0) { + (void) sprintf(mib2->errmsg, "get_mib2: getmsg(data): %s", + strerror(errno)); + return(GET_MIB2_ERR_GETMSGD); + } + if (rc) { + (void) sprintf(mib2->errmsg, + "get_mib2: getmsg(data): rc=%d maxlen=%d len=%d: %s", + rc, d.maxlen, d.len, strerror(errno)); + return(GET_MIB2_ERR_GETMSGD); + } + /* + * Compose a successful return. + */ + *opt = mib2->op; + *data = mib2->db; + *datalen = d.len; + return(GET_MIB2_OK); +} + + +/* + * open_mib2() - open access to MIB2 data + * + * return: + * + * exit = GET_MIB2_OK if open succeeded + * GET_MIB2_* is the error code for failure. + */ + +int +open_mib2(solaris_mib2_t *mib2) +{ + /* + * It's an error if the stream device is already open. + */ + if (mib2->sd >= 0) { + (void) strcpy(mib2->errmsg, "open_mib2: MIB2 access already open"); + return(GET_MIB2_ERR_OPEN); + } + /* + * Open the ARP stream device, push TCP and UDP on it. + */ + if ((mib2->sd = open(GET_MIB2_ARPDEV, O_RDWR, 0600)) < 0) { + (void) sprintf(mib2->errmsg, "open_mib2: %s: %s", GET_MIB2_ARPDEV, + strerror(errno)); + return(GET_MIB2_ERR_ARPOPEN); + } + if (ioctl(mib2->sd, I_PUSH, GET_MIB2_TCPSTREAM) == -1) { + (void) sprintf(mib2->errmsg, "open_mib2: push %s: %s", + GET_MIB2_TCPSTREAM, strerror(errno)); + return(GET_MIB2_ERR_TCPPUSH); + } + if (ioctl(mib2->sd, I_PUSH, GET_MIB2_UDPSTREAM) == -1) { + (void) sprintf(mib2->errmsg, "open_mib2: push %s: %s", + GET_MIB2_UDPSTREAM, strerror(errno)); + return(GET_MIB2_ERR_UDPPUSH); + } + /* + * Allocate a stream message buffer. + */ + mib2->smb_len = sizeof(struct opthdr) + sizeof(struct T_optmgmt_req); + if (mib2->smb_len < (sizeof (struct opthdr) + sizeof(struct T_optmgmt_ack))) { + mib2->smb_len = sizeof (struct opthdr) + sizeof(struct T_optmgmt_ack); + } + if (mib2->smb_len < sizeof(struct T_error_ack)) { + mib2->smb_len = sizeof(struct T_error_ack); + } + if ((mib2->smb = (char *)malloc(mib2->smb_len)) == NULL) { + (void) strcpy(mib2->errmsg, + "open_mib2: no space for stream message buffer"); + return(GET_MIB2_ERR_NOSPC); + } + /* + * All is OK. Return that indication. + */ + return(GET_MIB2_OK); +} diff --git a/vendor/sigar/src/os/solaris/get_mib2.h b/vendor/sigar/src/os/solaris/get_mib2.h new file mode 100644 index 0000000..53116c5 --- /dev/null +++ b/vendor/sigar/src/os/solaris/get_mib2.h @@ -0,0 +1,127 @@ +/* + * get_mib2.h -- definitions for the get_mib2() function + * + * V. Abell + * Purdue University Computing Center + */ + + +/* + * Copyright 1995 Purdue Research Foundation, West Lafayette, Indiana + * 47907. All rights reserved. + * + * Written by Victor A. Abell + * + * This software is not subject to any license of the American Telephone + * and Telegraph Company or the Regents of the University of California. + * + * Permission is granted to anyone to use this software for any purpose on + * any computer system, and to alter it and redistribute it freely, subject + * to the following restrictions: + * + * 1. Neither Victor A Abell nor Purdue University are responsible for + * any consequences of the use of this software. + * + * 2. The origin of this software must not be misrepresented, either by + * explicit claim or by omission. Credit to Victor A. Abell and Purdue + * University must appear in documentation and sources. + * + * 3. Altered versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 4. This notice may not be removed or altered. + */ + +/* + * Altered for sigar: + * - remove static stuff to make thread-safe by Doug MacEachern (3/11/05) + */ + +#if !defined(GET_MIB2_H) +#define GET_MIB2_H + + +/* + * Required header files + */ + +#include +#include +#include +#include +#include +#include +#include +#include + + +/* + * Miscellaneous definitions + */ + +#define GET_MIB2_ARPDEV "/dev/arp" /* ARP stream devi9ce */ +#define GET_MIB2_ERRMSGL 1024 /* ErrMsg buffer length */ +#define GET_MIB2_TCPSTREAM "tcp" /* TCP stream name */ +#define GET_MIB2_UDPSTREAM "udp" /* UDP stream name */ + + +/* + * get_mib2() response codes + * + * -1 End of MIB2 information + * 0 Next MIB2 structure returned + * >0 Error code + */ + +#define GET_MIB2_EOD -1 /* end of data */ +#define GET_MIB2_OK 0 /* function succeeded */ +#define GET_MIB2_ERR_ACK 1 /* getmsg() ACK error received */ +#define GET_MIB2_ERR_ARPOPEN 2 /* error opening ARPDEV */ +#define GET_MIB2_ERR_CLOSE 3 /* MIB2 access close error */ +#define GET_MIB2_ERR_GETMSGD 4 /* error getting message data */ +#define GET_MIB2_ERR_GETMSGR 5 /* error getting message reply */ +#define GET_MIB2_ERR_NODATA 6 /* data expected; not received */ +#define GET_MIB2_ERR_NOSPC 7 /* no malloc() space */ +#define GET_MIB2_ERR_NOTOPEN 8 /* MIB2 access not open */ +#define GET_MIB2_ERR_OPEN 9 /* MIB2 access open error */ +#define GET_MIB2_ERR_PUTMSG 10 /* error putting request message */ +#define GET_MIB2_ERR_TCPPUSH 11 /* error pushing TCPSTREAM */ +#define GET_MIB2_ERR_UDPPUSH 12 /* error pushing UDPSTREAM */ + +#define GET_MIB2_ERR_MAX 13 /* maximum error number + 1 */ + + +typedef struct { + char *db; /* data buffer */ + int db_len; /* data buffer length */ + char *smb; /* stream message buffer */ + size_t smb_len; /* size of Smb[] */ + int sd; /* stream device descriptor */ + char errmsg[GET_MIB2_ERRMSGL]; /* error message buffer */ + struct T_optmgmt_ack *op_ack; /* message ACK pointer */ + struct strbuf ctlbuf; /* streams control buffer */ + struct T_error_ack *err_ack; /* message error pointer */ + struct opthdr *op; /* message option pointer */ + struct T_optmgmt_req *req; /* message request pointer */ +} solaris_mib2_t; + +/* + * Function prototypes + */ + +int close_mib2( /* close acccess to MIB2 information */ + solaris_mib2_t *mib2 + ); +int get_mib2( /* get MIB2 information */ + solaris_mib2_t *mib2, + struct opthdr **opt, /* opthdr pointer return (see + * */ + char **data, /* data buffer return address */ + int *datalen /* data buffer length return + * address */ + ); +int open_mib2( /* open acccess to MIB2 information */ + solaris_mib2_t *mib2 + ); + +#endif /* !defined(GET_MIB2_H) */ diff --git a/vendor/sigar/src/os/solaris/kstats.c b/vendor/sigar/src/os/solaris/kstats.c new file mode 100644 index 0000000..a04ff09 --- /dev/null +++ b/vendor/sigar/src/os/solaris/kstats.c @@ -0,0 +1,181 @@ +/* + * Copyright (c) 2004-2007 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_util.h" +#include "sigar_os.h" + +int sigar_get_kstats(sigar_t *sigar) +{ + kstat_ctl_t *kc = sigar->kc; + unsigned int i, id, ncpu = sysconf(_SC_NPROCESSORS_CONF); + int is_debug = SIGAR_LOG_IS_DEBUG(sigar); + + if (ncpu != sigar->ncpu) { + if (!sigar->ks.lcpu) { + /* init */ + sigar->ks.lcpu = ncpu; + sigar->ks.cpu = malloc(sizeof(*(sigar->ks.cpu)) * ncpu); + sigar->ks.cpu_info = malloc(sizeof(*(sigar->ks.cpu_info)) * ncpu); + sigar->ks.cpuid = malloc(sizeof(*(sigar->ks.cpuid)) * ncpu); + } + else { + sigar_log_printf(sigar, SIGAR_LOG_INFO, + "ncpu changed from %d to %d", + sigar->ncpu, ncpu); + if (ncpu > sigar->ks.lcpu) { + /* one or more cpus have been added */ + sigar->ks.cpu = realloc(sigar->ks.cpu, + sizeof(*(sigar->ks.cpu)) * ncpu); + sigar->ks.cpu_info = realloc(sigar->ks.cpu_info, + sizeof(*(sigar->ks.cpu_info)) * ncpu); + sigar->ks.cpuid = realloc(sigar->ks.cpuid, + sizeof(*(sigar->ks.cpuid)) * ncpu); + sigar->ks.lcpu = ncpu; + } + /* else or more cpus have been removed */ + } + + sigar->ncpu = ncpu; + + /* from man p_online: + * ``Processor numbers are integers, + * greater than or equal to 0, + * and are defined by the hardware platform. + * Processor numbers are not necessarily contiguous, + * but "not too sparse."`` + * so we maintain our own mapping in ks.cpuid[] + */ + + /* lookup in order, which kstat chain may not be in */ + for (i=0, id=0; iks.cpu_info[i] = cpu_info; + sigar->ks.cpu[i] = cpu_stat; + sigar->ks.cpuid[i] = id; + + if (is_debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "cpu %d id=%d", i, sigar->ks.cpuid[i]); + } + i++; + } + } + + sigar->ks.system = kstat_lookup(kc, "unix", -1, "system_misc"); + sigar->ks.syspages = kstat_lookup(kc, "unix", -1, "system_pages"); + sigar->ks.mempages = kstat_lookup(kc, "bunyip", -1, "mempages"); + + return SIGAR_OK; +} + +SIGAR_INLINE kid_t sigar_kstat_update(sigar_t *sigar) +{ + kid_t id = kstat_chain_update(sigar->kc); + + switch (id) { + case -1: + sigar_log_printf(sigar, SIGAR_LOG_ERROR, + "kstat_chain_update error: %s", + sigar_strerror(sigar, errno)); + break; + case 0: + /* up-to-date */ + break; + default: + sigar_get_kstats(sigar); + sigar_log(sigar, SIGAR_LOG_DEBUG, + "kstat chain updated"); + break; + } + + return id; +} + +/* + * bincompat is not possible with certain kstat data structures between + * solaris 2.6, 2.7, 2.8, etc. alternative is to use kstat_data_lookup() + * which means everytime we want a stat, must do a linear search + * of ksp->ks_data. eek. so we meet half way and do the search for + * each key once per sigar_t instance. once the initial search has + * been done, we have a table of offsets to quickly access the stats via + * ksp->ks_data + offset. this gives us bincompat without the overhead + * of many kstat_data_lookup calls. + */ +static SIGAR_INLINE int kstat_named_offset(kstat_t *ksp, const char *name) +{ + unsigned int i; + kstat_named_t *kn; + + for (i=0, kn=ksp->ks_data; + iks_ndata; + i++, kn++) + { + if (strEQ(kn->name, name)) { + return i; + } + } + + return -2; /* not found */ +} + +static char *kstat_keys_system[] = { + "boot_time", + "avenrun_1min", + "avenrun_5min", + "avenrun_15min", + NULL +}; + +static char *kstat_keys_mempages[] = { + "pages_anon", + "pages_exec", + "pages_vnode", + NULL +}; + +static char *kstat_keys_syspages[] = { + "pagesfree", + NULL +}; + +static char **kstat_keys[] = { + kstat_keys_system, + kstat_keys_mempages, + kstat_keys_syspages, +}; + +void sigar_koffsets_lookup(kstat_t *ksp, int *offsets, int kidx) +{ + int i; + char **keys = kstat_keys[kidx]; + + for (i=0; keys[i]; i++) { + offsets[i] = kstat_named_offset(ksp, keys[i]); + } +} + diff --git a/vendor/sigar/src/os/solaris/procfs.c b/vendor/sigar/src/os/solaris/procfs.c new file mode 100644 index 0000000..743bd5b --- /dev/null +++ b/vendor/sigar/src/os/solaris/procfs.c @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2004, 2006 Hyperic, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_util.h" +#include "sigar_os.h" + +#define my_pread(fd, ptr, type, offset) \ + (pread(fd, ptr, sizeof(type), offset) == sizeof(type)) + +int sigar_proc_psinfo_get(sigar_t *sigar, sigar_pid_t pid) +{ + int fd, retval = SIGAR_OK; + char buffer[BUFSIZ]; + time_t timenow = time(NULL); + + if (sigar->pinfo == NULL) { + sigar->pinfo = malloc(sizeof(*sigar->pinfo)); + } + + if (sigar->last_pid == pid) { + if ((timenow - sigar->last_getprocs) < SIGAR_LAST_PROC_EXPIRE) { + return SIGAR_OK; + } + } + + sigar->last_pid = pid; + sigar->last_getprocs = timenow; + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/psinfo"); + + if ((fd = open(buffer, O_RDONLY)) < 0) { + return ESRCH; + } + + if (!my_pread(fd, sigar->pinfo, psinfo_t, 0)) { + retval = errno; + } + + close(fd); + + return retval; +} + +int sigar_proc_usage_get(sigar_t *sigar, prusage_t *prusage, sigar_pid_t pid) +{ + int fd, retval = SIGAR_OK; + char buffer[BUFSIZ]; + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/usage"); + + if ((fd = open(buffer, O_RDONLY)) < 0) { + return ESRCH; + } + + if (!my_pread(fd, prusage, prusage_t, 0)) { + retval = errno; + } + + close(fd); + + return retval; +} + +int sigar_proc_status_get(sigar_t *sigar, pstatus_t *pstatus, sigar_pid_t pid) +{ + int fd, retval = SIGAR_OK; + char buffer[BUFSIZ]; + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/status"); + + if ((fd = open(buffer, O_RDONLY)) < 0) { + return ESRCH; + } + + if (!my_pread(fd, pstatus, pstatus_t, 0)) { + retval = errno; + } + + close(fd); + + return retval; +} diff --git a/vendor/sigar/src/os/solaris/sigar_os.h b/vendor/sigar/src/os/solaris/sigar_os.h new file mode 100644 index 0000000..73115d8 --- /dev/null +++ b/vendor/sigar/src/os/solaris/sigar_os.h @@ -0,0 +1,224 @@ +/* + * Copyright (c) 2004-2007 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SIGAR_OS_H +#define SIGAR_OS_H + +#ifndef _POSIX_PTHREAD_SEMANTICS +#define _POSIX_PTHREAD_SEMANTICS +#endif + +typedef unsigned long long int u_int64_t; + +#include +#include +#ifndef DMALLOC +#include +#endif +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include "get_mib2.h" + +/* avoid -Wall warning since solaris doesnt have a prototype for this */ +int getdomainname(char *, int); + +typedef struct { + kstat_t **ks; + int num; + char *name; + int nlen; +} kstat_list_t; + +SIGAR_INLINE kid_t sigar_kstat_update(sigar_t *sigar); + +int sigar_get_kstats(sigar_t *sigar); + +void sigar_init_multi_kstats(sigar_t *sigar); + +void sigar_free_multi_kstats(sigar_t *sigar); + +int sigar_get_multi_kstats(sigar_t *sigar, + kstat_list_t *kl, + const char *name, + kstat_t **retval); + +void sigar_koffsets_lookup(kstat_t *ksp, int *offsets, int kidx); + +int sigar_proc_psinfo_get(sigar_t *sigar, sigar_pid_t pid); + +int sigar_proc_usage_get(sigar_t *sigar, prusage_t *prusage, sigar_pid_t pid); + +int sigar_proc_status_get(sigar_t *sigar, pstatus_t *pstatus, sigar_pid_t pid); + +#define CPU_ONLINE(n) \ + (p_online(n, P_STATUS) == P_ONLINE) + +typedef enum { + KSTAT_SYSTEM_BOOT_TIME, + KSTAT_SYSTEM_LOADAVG_1, + KSTAT_SYSTEM_LOADAVG_2, + KSTAT_SYSTEM_LOADAVG_3, + KSTAT_SYSTEM_MAX +} kstat_system_off_e; + +typedef enum { + KSTAT_MEMPAGES_ANON, + KSTAT_MEMPAGES_EXEC, + KSTAT_MEMPAGES_VNODE, + KSTAT_MEMPAGES_MAX +} kstat_mempages_off_e; + +typedef enum { + KSTAT_SYSPAGES_FREE, + KSTAT_SYSPAGES_MAX +} kstat_syspages_off_e; + +enum { + KSTAT_KEYS_system, + KSTAT_KEYS_mempages, + KSTAT_KEYS_syspages, +} kstat_keys_e; + +typedef struct ps_prochandle * (*proc_grab_func_t)(pid_t, int, int *); + +typedef void (*proc_free_func_t)(struct ps_prochandle *); + +typedef int (*proc_create_agent_func_t)(struct ps_prochandle *); + +typedef void (*proc_destroy_agent_func_t)(struct ps_prochandle *); + +typedef void (*proc_objname_func_t)(struct ps_prochandle *, + uintptr_t, const char *, size_t); + +typedef char * (*proc_dirname_func_t)(const char *, char *, size_t); + +typedef char * (*proc_exename_func_t)(struct ps_prochandle *, char *, size_t); + +typedef int (*proc_fstat64_func_t)(struct ps_prochandle *, int, void *); + +typedef int (*proc_getsockopt_func_t)(struct ps_prochandle *, + int, int, int, void *, int *); + +typedef int (*proc_getsockname_func_t)(struct ps_prochandle *, + int, struct sockaddr *, socklen_t *); + +struct sigar_t { + SIGAR_T_BASE; + + int solaris_version; + int use_ucb_ps; + + kstat_ctl_t *kc; + + /* kstat_lookup() as needed */ + struct { + kstat_t **cpu; + kstat_t **cpu_info; + processorid_t *cpuid; + unsigned int lcpu; /* number malloced slots in the cpu array above */ + kstat_t *system; + kstat_t *syspages; + kstat_t *mempages; + } ks; + + struct { + int system[KSTAT_SYSTEM_MAX]; + int mempages[KSTAT_MEMPAGES_MAX]; + int syspages[KSTAT_SYSPAGES_MAX]; + } koffsets; + + int pagesize; + + time_t last_getprocs; + sigar_pid_t last_pid; + psinfo_t *pinfo; + sigar_cpu_list_t cpulist; + + /* libproc.so interface */ + void *plib; + proc_grab_func_t pgrab; + proc_free_func_t pfree; + proc_create_agent_func_t pcreate_agent; + proc_destroy_agent_func_t pdestroy_agent; + proc_objname_func_t pobjname; + proc_dirname_func_t pdirname; + proc_exename_func_t pexename; + proc_fstat64_func_t pfstat64; + proc_getsockopt_func_t pgetsockopt; + proc_getsockname_func_t pgetsockname; + + sigar_cache_t *pargs; + + solaris_mib2_t mib2; +}; + +#ifdef SIGAR_64BIT +#define KSTAT_UINT ui64 +#else +#define KSTAT_UINT ui32 +#endif + +#define kSTAT_exists(v, type) \ + (sigar->koffsets.type[v] != -2) + +#define kSTAT_ptr(v, type) \ + ((kstat_named_t *)ksp->ks_data + sigar->koffsets.type[v]) + +#define kSTAT_uint(v, type) \ + (kSTAT_exists(v, type) ? kSTAT_ptr(v, type)->value.KSTAT_UINT : 0) + +#define kSTAT_ui32(v, type) \ + (kSTAT_exists(v, type) ? kSTAT_ptr(v, type)->value.ui32 : 0) + +#define kSYSTEM(v) kSTAT_ui32(v, system) + +#define kMEMPAGES(v) kSTAT_uint(v, mempages) + +#define kSYSPAGES(v) kSTAT_uint(v, syspages) + +#define sigar_koffsets_init(sigar, ksp, type) \ + if (sigar->koffsets.type[0] == -1) \ + sigar_koffsets_lookup(ksp, sigar->koffsets.type, KSTAT_KEYS_##type) + +#define sigar_koffsets_init_system(sigar, ksp) \ + sigar_koffsets_init(sigar, ksp, system) + +#define sigar_koffsets_init_mempages(sigar, ksp) \ + sigar_koffsets_init(sigar, ksp, mempages) + +#define sigar_koffsets_init_syspages(sigar, ksp) \ + sigar_koffsets_init(sigar, ksp, syspages) + +#define HAVE_READDIR_R +#define HAVE_GETPWNAM_R +#define HAVE_GETPWUID_R + +#define SIGAR_EMIB2 (SIGAR_OS_START_ERROR+1) + +#endif /* SIGAR_OS_H */ + diff --git a/vendor/sigar/src/os/solaris/solaris_sigar.c b/vendor/sigar/src/os/solaris/solaris_sigar.c new file mode 100644 index 0000000..da9a2b6 --- /dev/null +++ b/vendor/sigar/src/os/solaris/solaris_sigar.c @@ -0,0 +1,2717 @@ +/* + * Copyright (c) 2004-2008 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2009-2010 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_util.h" +#include "sigar_os.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define PROC_ERRNO ((errno == ENOENT) ? ESRCH : errno) +#define SIGAR_USR_UCB_PS "/usr/ucb/ps" + + +/* like kstat_lookup but start w/ ksp->ks_next instead of kc->kc_chain */ +static kstat_t * +kstat_next(kstat_t *ksp, char *ks_module, int ks_instance, char *ks_name) +{ + if (ksp) { + ksp = ksp->ks_next; + } + for (; ksp; ksp = ksp->ks_next) { + if ((ks_module == NULL || + strcmp(ksp->ks_module, ks_module) == 0) && + (ks_instance == -1 || ksp->ks_instance == ks_instance) && + (ks_name == NULL || strcmp(ksp->ks_name, ks_name) == 0)) + return ksp; + } + + errno = ENOENT; + return NULL; +} + +int sigar_os_open(sigar_t **sig) +{ + kstat_ctl_t *kc; + kstat_t *ksp; + sigar_t *sigar; + int i, status; + struct utsname name; + char *ptr; + + sigar = malloc(sizeof(*sigar)); + *sig = sigar; + + sigar->log_level = -1; /* log nothing by default */ + sigar->log_impl = NULL; + sigar->log_data = NULL; + + uname(&name); + if ((ptr = strchr(name.release, '.'))) { + ptr++; + sigar->solaris_version = atoi(ptr); + } + else { + sigar->solaris_version = 6; + } + + if ((ptr = getenv("SIGAR_USE_UCB_PS"))) { + sigar->use_ucb_ps = strEQ(ptr, "true"); + } + else { + struct stat sb; + if (stat(SIGAR_USR_UCB_PS, &sb) < 0) { + sigar->use_ucb_ps = 0; + } + else { + sigar->use_ucb_ps = 1; + } + } + + sigar->pagesize = 0; + i = sysconf(_SC_PAGESIZE); + while ((i >>= 1) > 0) { + sigar->pagesize++; + } + + sigar->ticks = sysconf(_SC_CLK_TCK); + sigar->kc = kc = kstat_open(); + + if (!kc) { + return errno; + } + + sigar->cpulist.size = 0; + sigar->ncpu = 0; + sigar->ks.cpu = NULL; + sigar->ks.cpu_info = NULL; + sigar->ks.cpuid = NULL; + sigar->ks.lcpu = 0; + + sigar->koffsets.system[0] = -1; + sigar->koffsets.mempages[0] = -1; + sigar->koffsets.syspages[0] = -1; + + if ((status = sigar_get_kstats(sigar)) != SIGAR_OK) { + fprintf(stderr, "status=%d\n", status); + } + + sigar->boot_time = 0; + + if ((ksp = sigar->ks.system) && + (kstat_read(kc, ksp, NULL) >= 0)) + { + sigar_koffsets_init_system(sigar, ksp); + + sigar->boot_time = kSYSTEM(KSTAT_SYSTEM_BOOT_TIME); + } + + sigar->last_pid = -1; + sigar->pinfo = NULL; + + sigar->plib = NULL; + sigar->pgrab = NULL; + sigar->pfree = NULL; + sigar->pobjname = NULL; + + sigar->pargs = NULL; + + SIGAR_ZERO(&sigar->mib2); + sigar->mib2.sd = -1; + + return SIGAR_OK; +} + +int sigar_os_close(sigar_t *sigar) +{ + kstat_close(sigar->kc); + if (sigar->mib2.sd != -1) { + close_mib2(&sigar->mib2); + } + + if (sigar->ks.lcpu) { + free(sigar->ks.cpu); + free(sigar->ks.cpu_info); + free(sigar->ks.cpuid); + } + if (sigar->pinfo) { + free(sigar->pinfo); + } + if (sigar->cpulist.size != 0) { + sigar_cpu_list_destroy(sigar, &sigar->cpulist); + } + if (sigar->plib) { + dlclose(sigar->plib); + } + if (sigar->pargs) { + sigar_cache_destroy(sigar->pargs); + } + free(sigar); + return SIGAR_OK; +} + +char *sigar_os_error_string(sigar_t *sigar, int err) +{ + switch (err) { + case SIGAR_EMIB2: + return sigar->mib2.errmsg; + default: + return NULL; + } +} + +int sigar_mem_get(sigar_t *sigar, sigar_mem_t *mem) +{ + kstat_ctl_t *kc = sigar->kc; + kstat_t *ksp; + sigar_uint64_t kern = 0; + + SIGAR_ZERO(mem); + + /* XXX: is mem hot swappable or can we just do this during open ? */ + mem->total = sysconf(_SC_PHYS_PAGES); + mem->total <<= sigar->pagesize; + + if (sigar_kstat_update(sigar) == -1) { + return errno; + } + + if ((ksp = sigar->ks.syspages) && kstat_read(kc, ksp, NULL) >= 0) { + sigar_koffsets_init_syspages(sigar, ksp); + + mem->free = kSYSPAGES(KSTAT_SYSPAGES_FREE); + mem->free <<= sigar->pagesize; + + mem->used = mem->total - mem->free; + } + + if ((ksp = sigar->ks.mempages) && kstat_read(kc, ksp, NULL) >= 0) { + sigar_koffsets_init_mempages(sigar, ksp); + } + + /* XXX mdb ::memstat cachelist/freelist not available to kstat, see: */ + /* http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6821980 */ + + /* ZFS ARC cache. see: http://opensolaris.org/jive/thread.jspa?messageID=393695 */ + if ((ksp = kstat_lookup(sigar->kc, "zfs", 0, "arcstats")) && + (kstat_read(sigar->kc, ksp, NULL) != -1)) + { + kstat_named_t *kn; + + if ((kn = (kstat_named_t *)kstat_data_lookup(ksp, "size"))) { + kern = kn->value.i64; + } + if ((kn = (kstat_named_t *)kstat_data_lookup(ksp, "c_min"))) { + /* c_min cannot be reclaimed they say */ + if (kern > kn->value.i64) { + kern -= kn->value.i64; + } + } + } + + mem->actual_free = mem->free + kern; + mem->actual_used = mem->used - kern; + + sigar_mem_calc_ram(sigar, mem); + + return SIGAR_OK; +} + +int sigar_swap_get(sigar_t *sigar, sigar_swap_t *swap) +{ + kstat_t *ksp; + kstat_named_t *kn; + swaptbl_t *stab; + int num, i; + char path[PATH_MAX+1]; /* {un,re}used */ + + /* see: man swapctl(2) */ + if ((num = swapctl(SC_GETNSWP, NULL)) == -1) { + return errno; + } + + stab = malloc(num * sizeof(stab->swt_ent[0]) + sizeof(*stab)); + + stab->swt_n = num; + for (i=0; iswt_ent[i].ste_path = path; + } + + if ((num = swapctl(SC_LIST, stab)) == -1) { + free(stab); + return errno; + } + + num = num < stab->swt_n ? num : stab->swt_n; + swap->total = swap->free = 0; + for (i=0; iswt_ent[i].ste_flags & ST_INDEL) { + continue; /* swap file is being deleted */ + } + swap->total += stab->swt_ent[i].ste_pages; + swap->free += stab->swt_ent[i].ste_free; + } + free(stab); + + swap->total <<= sigar->pagesize; + swap->free <<= sigar->pagesize; + swap->used = swap->total - swap->free; + + if (sigar_kstat_update(sigar) == -1) { + return errno; + } + if (!(ksp = kstat_lookup(sigar->kc, "cpu", -1, "vm"))) { + swap->page_in = swap->page_out = SIGAR_FIELD_NOTIMPL; + return SIGAR_OK; + } + + swap->page_in = swap->page_out = 0; + + /* XXX: these stats do not exist in this form on solaris 8 or 9. + * they are in the raw cpu_stat struct, but thats not + * binary compatible + */ + do { + if (kstat_read(sigar->kc, ksp, NULL) < 0) { + break; + } + + if ((kn = (kstat_named_t *)kstat_data_lookup(ksp, "pgin"))) { + swap->page_in += kn->value.i64; /* vmstat -s | grep "page ins" */ + } + if ((kn = (kstat_named_t *)kstat_data_lookup(ksp, "pgout"))) { + swap->page_out += kn->value.i64; /* vmstat -s | grep "page outs" */ + } + } while ((ksp = kstat_next(ksp, "cpu", -1, "vm"))); + + return SIGAR_OK; +} + +#ifndef KSTAT_NAMED_STR_PTR +/* same offset as KSTAT_NAMED_STR_PTR(brand) */ +#define KSTAT_NAMED_STR_PTR(n) (char *)((n)->value.i32) +#endif + +static int get_chip_brand(sigar_t *sigar, int processor, + sigar_cpu_info_t *info) +{ + kstat_t *ksp = sigar->ks.cpu_info[processor]; + kstat_named_t *brand; + + if (sigar->solaris_version < 10) { + /* don't bother; doesn't exist. */ + return 0; + } + + if (ksp && + (kstat_read(sigar->kc, ksp, NULL) != -1) && + (brand = (kstat_named_t *)kstat_data_lookup(ksp, "brand"))) + { + char *name = KSTAT_NAMED_STR_PTR(brand); + + char *vendor = "Sun"; + char *vendors[] = { + "Intel", "AMD", NULL + }; + int i; + + if (!name) { + return 0; + } + + for (i=0; vendors[i]; i++) { + if (strstr(name, vendors[i])) { + vendor = vendors[i]; + break; + } + } + + SIGAR_SSTRCPY(info->vendor, vendor); +#if 0 + SIGAR_SSTRCPY(info->model, name); + sigar_cpu_model_adjust(sigar, info); +#endif + return 1; + } + else { + return 0; + } +} + +static void free_chip_id(void *ptr) +{ + /*noop*/ +} + +static int get_chip_id(sigar_t *sigar, int processor) +{ + kstat_t *ksp = sigar->ks.cpu_info[processor]; + kstat_named_t *chipid; + + if (ksp && + (kstat_read(sigar->kc, ksp, NULL) != -1) && + (chipid = (kstat_named_t *)kstat_data_lookup(ksp, "chip_id"))) + { + return chipid->value.i32; + } + else { + return -1; + } +} + +int sigar_cpu_get(sigar_t *sigar, sigar_cpu_t *cpu) +{ + int status, i; + + status = sigar_cpu_list_get(sigar, &sigar->cpulist); + + if (status != SIGAR_OK) { + return status; + } + + SIGAR_ZERO(cpu); + + for (i=0; icpulist.number; i++) { + sigar_cpu_t *xcpu = &sigar->cpulist.data[i]; + + cpu->user += xcpu->user; + cpu->sys += xcpu->sys; + cpu->idle += xcpu->idle; + cpu->nice += xcpu->nice; + cpu->wait += xcpu->wait; + cpu->total = xcpu->total; + } + + return SIGAR_OK; +} + +int sigar_cpu_list_get(sigar_t *sigar, sigar_cpu_list_t *cpulist) +{ + kstat_ctl_t *kc = sigar->kc; + kstat_t *ksp; + uint_t cpuinfo[CPU_STATES]; + unsigned int i; + int is_debug = SIGAR_LOG_IS_DEBUG(sigar); + sigar_cache_t *chips; + + if (sigar_kstat_update(sigar) == -1) { + return errno; + } + + if (cpulist == &sigar->cpulist) { + if (sigar->cpulist.size == 0) { + /* create once */ + sigar_cpu_list_create(cpulist); + } + else { + /* reset, re-using cpulist.data */ + sigar->cpulist.number = 0; + } + } + else { + sigar_cpu_list_create(cpulist); + } + + if (is_debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[cpu_list] OS reports %d CPUs", + sigar->ncpu); + } + + chips = sigar_cache_new(16); + chips->free_value = free_chip_id; + + for (i=0; incpu; i++) { + sigar_cpu_t *cpu; + char *buf; + int chip_id; + sigar_cache_entry_t *ent; + + if (!CPU_ONLINE(sigar->ks.cpuid[i])) { + sigar_log_printf(sigar, SIGAR_LOG_INFO, + "cpu %d (id=%d) is offline", + i, sigar->ks.cpuid[i]); + continue; + } + + if (!(ksp = sigar->ks.cpu[i])) { + sigar_log_printf(sigar, SIGAR_LOG_ERROR, + "NULL ksp for cpu %d (id=%d)", + i, sigar->ks.cpuid[i]); + continue; /* shouldnot happen */ + } + + if (kstat_read(kc, ksp, NULL) < 0) { + sigar_log_printf(sigar, SIGAR_LOG_ERROR, + "kstat_read failed for cpu %d (id=%d): %s", + i, sigar->ks.cpuid[i], + sigar_strerror(sigar, errno)); + continue; /* shouldnot happen */ + } + + /* + * cpu_stat_t is not binary compatible between solaris versions. + * since cpu_stat is a 'raw' kstat and not 'named' we cannot + * use name based lookups as we do for others. + * the start of the cpu_stat_t structure is binary compatible, + * which looks like so: + * typedef struct cpu_stat { + * kmutex_t cpu_stat_lock; + * cpu_sysinfo_t cpu_sysinfo; + * ... + * typedef struct cpu_sysinfo { + * ulong cpu[CPU_STATES]; + * ... + * we just copy the piece we need below: + */ + buf = ksp->ks_data; + buf += sizeof(kmutex_t); + memcpy(&cpuinfo[0], buf, sizeof(cpuinfo)); + chip_id = sigar->cpu_list_cores ? -1 : get_chip_id(sigar, i); + + if (chip_id == -1) { + SIGAR_CPU_LIST_GROW(cpulist); + cpu = &cpulist->data[cpulist->number++]; + SIGAR_ZERO(cpu); + } + else { + /* merge times of logical processors */ + ent = sigar_cache_get(chips, chip_id); + if (ent->value) { + cpu = &cpulist->data[(long)ent->value-1]; + } + else { + SIGAR_CPU_LIST_GROW(cpulist); + cpu = &cpulist->data[cpulist->number++]; + ent->value = (void *)(long)cpulist->number; + SIGAR_ZERO(cpu); + + if (is_debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[cpu_list] Merging times of" + " logical processors for chip_id=%d", + chip_id); + } + } + } + + cpu->user += SIGAR_TICK2MSEC(cpuinfo[CPU_USER]); + cpu->sys += SIGAR_TICK2MSEC(cpuinfo[CPU_KERNEL]); + cpu->idle += SIGAR_TICK2MSEC(cpuinfo[CPU_IDLE]); + cpu->wait += SIGAR_TICK2MSEC(cpuinfo[CPU_WAIT]); + cpu->nice += 0; /* no cpu->nice */ + cpu->total = cpu->user + cpu->sys + cpu->idle + cpu->wait; + } + + sigar_cache_destroy(chips); + + return SIGAR_OK; +} + +int sigar_uptime_get(sigar_t *sigar, + sigar_uptime_t *uptime) +{ + if (sigar->boot_time) { + uptime->uptime = time(NULL) - sigar->boot_time; + } + else { + uptime->uptime = 0; /* XXX: shouldn't happen */ + } + + return SIGAR_OK; +} + +static int loadavg_keys[] = { + KSTAT_SYSTEM_LOADAVG_1, + KSTAT_SYSTEM_LOADAVG_2, + KSTAT_SYSTEM_LOADAVG_3 +}; + +int sigar_loadavg_get(sigar_t *sigar, + sigar_loadavg_t *loadavg) +{ + kstat_t *ksp; + int i; + + if (sigar_kstat_update(sigar) == -1) { + return errno; + } + + if (!(ksp = sigar->ks.system)) { + return -1; + } + + if (kstat_read(sigar->kc, ksp, NULL) < 0) { + return -1; + } + + sigar_koffsets_init_system(sigar, ksp); + + for (i=0; i<3; i++) { + loadavg->loadavg[i] = (double)kSYSTEM(loadavg_keys[i]) / FSCALE; + } + + return SIGAR_OK; +} + +#define LIBPROC "/usr/lib/libproc.so" + +#define CHECK_PSYM(s) \ + if (!sigar->s) { \ + sigar_log_printf(sigar, SIGAR_LOG_WARN, \ + "[%s] Symbol not found: %s", \ + SIGAR_FUNC, #s); \ + dlclose(sigar->plib); \ + sigar->plib = NULL; \ + return SIGAR_ENOTIMPL; \ + } + +static char *proc_readlink(const char *name, char *buffer, size_t size) +{ + int len; + + if ((len = readlink(name, buffer, size-1)) < 0) { + return NULL; + } + + buffer[len] = '\0'; + return buffer; +} + +static int sigar_init_libproc(sigar_t *sigar) +{ + if (sigar->plib) { + return SIGAR_OK; + } + + /* libproc.so ships with 5.8+ */ + /* interface is undocumented, see libproc.h in the sun jdk sources */ + sigar->plib = dlopen(LIBPROC, RTLD_LAZY); + + if (!sigar->plib) { + sigar_log_printf(sigar, SIGAR_LOG_WARN, + "[%s] dlopen(%s) = %s", + SIGAR_FUNC, LIBPROC, dlerror()); + return SIGAR_ENOTIMPL; + } + + sigar->pgrab = (proc_grab_func_t)dlsym(sigar->plib, "Pgrab"); + sigar->pfree = (proc_free_func_t)dlsym(sigar->plib, "Pfree"); + sigar->pcreate_agent = (proc_create_agent_func_t)dlsym(sigar->plib, "Pcreate_agent"); + sigar->pdestroy_agent = (proc_destroy_agent_func_t)dlsym(sigar->plib, "Pdestroy_agent"); + sigar->pobjname = (proc_objname_func_t)dlsym(sigar->plib, "Pobjname"); + sigar->pexename = (proc_exename_func_t)dlsym(sigar->plib, "Pexecname"); + sigar->pdirname = (proc_dirname_func_t)dlsym(sigar->plib, "proc_dirname"); + sigar->pfstat64 = (proc_fstat64_func_t)dlsym(sigar->plib, "pr_fstat64"); + sigar->pgetsockopt = (proc_getsockopt_func_t)dlsym(sigar->plib, "pr_getsockopt"); + sigar->pgetsockname = (proc_getsockname_func_t)dlsym(sigar->plib, "pr_getsockname"); + + CHECK_PSYM(pgrab); + CHECK_PSYM(pfree); + CHECK_PSYM(pobjname); + + return SIGAR_OK; +} + +/* from libproc.h, not included w/ solaris distro */ +/* Error codes from Pgrab(), Pfgrab_core(), and Pgrab_core() */ +#define G_STRANGE -1 /* Unanticipated error, errno is meaningful */ +#define G_NOPROC 1 /* No such process */ +#define G_NOCORE 2 /* No such core file */ +#define G_NOPROCORCORE 3 /* No such proc or core (for proc_arg_grab) */ +#define G_NOEXEC 4 /* Cannot locate executable file */ +#define G_ZOMB 5 /* Zombie process */ +#define G_PERM 6 /* No permission */ +#define G_BUSY 7 /* Another process has control */ +#define G_SYS 8 /* System process */ +#define G_SELF 9 /* Process is self */ +#define G_INTR 10 /* Interrupt received while grabbing */ +#define G_LP64 11 /* Process is _LP64, self is ILP32 */ +#define G_FORMAT 12 /* File is not an ELF format core file */ +#define G_ELF 13 /* Libelf error, elf_errno() is meaningful */ +#define G_NOTE 14 /* Required PT_NOTE Phdr not present in core */ + +static int sigar_pgrab(sigar_t *sigar, sigar_pid_t pid, + const char *func, + struct ps_prochandle **phandle) +{ + int pstatus; + + if (!(*phandle = sigar->pgrab(pid, 0x01, &pstatus))) { + switch (pstatus) { + case G_NOPROC: + return ESRCH; + case G_PERM: + return EACCES; + default: + sigar_log_printf(sigar, SIGAR_LOG_ERROR, + "[%s] Pgrab error=%d", + func, pstatus); + return ENOTSUP; /*XXX*/ + } + } + + return SIGAR_OK; +} + +int sigar_os_proc_list_get(sigar_t *sigar, + sigar_proc_list_t *proclist) +{ + return sigar_proc_list_procfs_get(sigar, proclist); +} + +int sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_mem_t *procmem) +{ + int status = sigar_proc_psinfo_get(sigar, pid); + psinfo_t *pinfo = sigar->pinfo; + prusage_t usage; + + if (status != SIGAR_OK) { + return status; + } + + procmem->size = pinfo->pr_size << 10; + procmem->resident = pinfo->pr_rssize << 10; + procmem->share = SIGAR_FIELD_NOTIMPL; + + if (sigar_proc_usage_get(sigar, &usage, pid) == SIGAR_OK) { + procmem->minor_faults = usage.pr_minf; + procmem->major_faults = usage.pr_majf; + procmem->page_faults = + procmem->minor_faults + + procmem->major_faults; + } + else { + procmem->minor_faults = SIGAR_FIELD_NOTIMPL; + procmem->major_faults = SIGAR_FIELD_NOTIMPL; + procmem->page_faults = SIGAR_FIELD_NOTIMPL; + } + + return SIGAR_OK; +} + +int sigar_proc_cred_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_cred_t *proccred) +{ + int status = sigar_proc_psinfo_get(sigar, pid); + psinfo_t *pinfo = sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + + proccred->uid = pinfo->pr_uid; + proccred->gid = pinfo->pr_gid; + proccred->euid = pinfo->pr_euid; + proccred->egid = pinfo->pr_egid; + + return SIGAR_OK; +} + +#define TIMESTRUCT_2MSEC(t) \ + ((t.tv_sec * MILLISEC) + (t.tv_nsec / (NANOSEC/MILLISEC))) + +int sigar_proc_time_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_time_t *proctime) +{ + prusage_t usage; + int status; + + if ((status = sigar_proc_usage_get(sigar, &usage, pid)) != SIGAR_OK) { + return status; + } + + proctime->start_time = usage.pr_create.tv_sec + sigar->boot_time; + proctime->start_time *= MILLISEC; + + if (usage.pr_utime.tv_sec < 0) { + /* XXX wtf? seen on solaris 10, only for the self process */ + pstatus_t pstatus; + + status = sigar_proc_status_get(sigar, &pstatus, pid); + if (status != SIGAR_OK) { + return status; + } + + usage.pr_utime.tv_sec = pstatus.pr_utime.tv_sec; + usage.pr_utime.tv_nsec = pstatus.pr_utime.tv_nsec; + usage.pr_stime.tv_sec = pstatus.pr_stime.tv_sec; + usage.pr_stime.tv_nsec = pstatus.pr_stime.tv_nsec; + } + + proctime->user = TIMESTRUCT_2MSEC(usage.pr_utime); + proctime->sys = TIMESTRUCT_2MSEC(usage.pr_stime); + proctime->total = proctime->user + proctime->sys; + + return SIGAR_OK; +} + +int sigar_proc_state_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_state_t *procstate) +{ + int status = sigar_proc_psinfo_get(sigar, pid); + psinfo_t *pinfo = sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + + SIGAR_SSTRCPY(procstate->name, pinfo->pr_fname); + procstate->ppid = pinfo->pr_ppid; + procstate->tty = pinfo->pr_ttydev; + procstate->priority = pinfo->pr_lwp.pr_pri; + procstate->nice = pinfo->pr_lwp.pr_nice - NZERO; + procstate->threads = pinfo->pr_nlwp; + procstate->processor = pinfo->pr_lwp.pr_onpro; + + switch (pinfo->pr_lwp.pr_state) { + case SONPROC: + case SRUN: + procstate->state = 'R'; + break; + case SZOMB: + procstate->state = 'Z'; + break; + case SSLEEP: + procstate->state = 'S'; + break; + case SSTOP: + procstate->state = 'T'; + break; + case SIDL: + procstate->state = 'D'; + break; + } + + return SIGAR_OK; +} + +typedef struct { + int timestamp; + char *args; +} pargs_t; + +static void pargs_free(void *value) +{ + pargs_t *pargs = (pargs_t *)value; + if (pargs->args != NULL) { + free(pargs->args); + } + free(pargs); +} + +static int ucb_ps_args_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs, + int timestamp) +{ + char buffer[9086], *args=NULL, *arg; + sigar_cache_entry_t *ent; + FILE *fp; + pargs_t *pargs; + + if (!sigar->pargs) { + sigar->pargs = sigar_cache_new(15); + sigar->pargs->free_value = pargs_free; + } + + ent = sigar_cache_get(sigar->pargs, pid); + if (ent->value) { + pargs = (pargs_t *)ent->value; + if (pargs->timestamp != timestamp) { + if (pargs->args) { + free(pargs->args); + pargs->args = NULL; + } + } + } + else { + pargs = malloc(sizeof(*pargs)); + pargs->args = NULL; + ent->value = pargs; + } + + pargs->timestamp = timestamp; + + if (pargs->args) { + args = pargs->args; + } + else { + snprintf(buffer, sizeof(buffer), + SIGAR_USR_UCB_PS " -ww %ld", (long)pid); + + if (!(fp = popen(buffer, "r"))) { + return errno; + } + /* skip header */ + (void)fgets(buffer, sizeof(buffer), fp); + if ((args = fgets(buffer, sizeof(buffer), fp))) { + int len; + + /* skip PID,TT,S,TIME */ + args = sigar_skip_multiple_token(args, 4); + SIGAR_SKIP_SPACE(args); + len = strlen(args); + if (len > 0) { + args[len-1] = '\0'; /* chop \n */ + } + + pargs->args = malloc(len+1); + memcpy(pargs->args, args, len); + } + + pclose(fp); + + if (!args) { + return ESRCH; + } + } + + while (*args && (arg = sigar_getword(&args, ' '))) { + SIGAR_PROC_ARGS_GROW(procargs); + procargs->data[procargs->number++] = arg; + } + + return SIGAR_OK; +} + +int sigar_os_proc_args_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs) +{ + psinfo_t *pinfo; + int fd, status; + char buffer[9086]; + char *argvb[56]; + char **argvp = argvb; + + int n; + size_t nread = 0; + unsigned int argv_size; + + if ((status = sigar_proc_psinfo_get(sigar, pid)) != SIGAR_OK) { + return status; + } + pinfo = sigar->pinfo; + + if (pinfo->pr_argc == 0) { + procargs->number = 0; + return SIGAR_OK; + } + else if (pinfo->pr_dmodel != PR_MODEL_NATIVE) { + /* we are compiled in 32bit mode + * punt any 64bit native process, + * sizeof our structures can't handle. + */ + if (sigar->use_ucb_ps) { + return ucb_ps_args_get(sigar, pid, procargs, + pinfo->pr_start.tv_sec); + } + else { + return ENOTSUP; + } + } + + argv_size = sizeof(*argvp) * pinfo->pr_argc; + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/as"); + + if ((fd = open(buffer, O_RDONLY)) < 0) { + if ((errno == EACCES) && sigar->use_ucb_ps) { + return ucb_ps_args_get(sigar, pid, procargs, + pinfo->pr_start.tv_sec); + } + else { + return PROC_ERRNO; + } + } + + if (argv_size > sizeof(argvb)) { + argvp = malloc(argv_size); + } + + if ((nread = pread(fd, argvp, argv_size, pinfo->pr_argv)) <= 0) { + close(fd); + if (argvp != argvb) { + free(argvp); + } + return errno; + } + + for (n = 0; n < pinfo->pr_argc; n++) { + int alen; + char *arg; + + if ((nread = pread(fd, buffer, sizeof(buffer)-1, (off_t)argvp[n])) <= 0) { + close(fd); + if (argvp != argvb) { + free(argvp); + } + return errno; + } + + buffer[nread] = '\0'; + alen = strlen(buffer)+1; + arg = malloc(alen); + memcpy(arg, buffer, alen); + + SIGAR_PROC_ARGS_GROW(procargs); + procargs->data[procargs->number++] = arg; + } + + if (argvp != argvb) { + free(argvp); + } + + close(fd); + + return SIGAR_OK; +} + +int sigar_proc_env_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_env_t *procenv) +{ + psinfo_t *pinfo; + int fd, status; + char buffer[BUFSIZ], *offsets[512]; + size_t nread; + int n=0, max=sizeof(offsets)/sizeof(char *); + + if ((status = sigar_proc_psinfo_get(sigar, pid)) != SIGAR_OK) { + return status; + } + pinfo = sigar->pinfo; + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/as"); + + if ((fd = open(buffer, O_RDONLY)) < 0) { + return PROC_ERRNO; + } + + if ((nread = pread(fd, offsets, sizeof(offsets), + pinfo->pr_envp)) <= 0) + { + close(fd); + return errno; + } + + while ((n < max) && offsets[n]) { + char *val; + int klen, vlen, status; + char key[128]; /* XXX is there a max key size? */ + + if ((nread = pread(fd, buffer, sizeof(buffer), + (off_t)offsets[n++])) <= 0) + { + close(fd); + return errno; + } + + val = strchr(buffer, '='); + + if (val == NULL) { + break; /*XXX*/ + } + + klen = val - buffer; + SIGAR_SSTRCPY(key, buffer); + key[klen] = '\0'; + ++val; + + vlen = strlen(val); + + status = procenv->env_getter(procenv->data, + key, klen, val, vlen); + + if (status != SIGAR_OK) { + /* not an error; just stop iterating */ + break; + } + } + + close(fd); + + return SIGAR_OK; +} + +int sigar_proc_fd_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_fd_t *procfd) +{ + int status = + sigar_proc_fd_count(sigar, pid, &procfd->total); + + return status; +} + +static int sigar_proc_path_exe_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_exe_t *procexe) +{ + /* solaris 10+ */ + char buffer[BUFSIZ]; + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/path/a.out"); + if (!proc_readlink(buffer, procexe->name, sizeof(procexe->name))) { + procexe->name[0] = '\0'; + } + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/path/cwd"); + if (!proc_readlink(buffer, procexe->cwd, sizeof(procexe->cwd))) { + procexe->cwd[0] = '\0'; + } + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/path/root"); + if (!proc_readlink(buffer, procexe->root, sizeof(procexe->root))) { + procexe->root[0] = '\0'; + } + + return SIGAR_OK; +} + +static int proc_module_get_exe(void *data, char *name, int len) +{ + sigar_proc_exe_t *procexe = (sigar_proc_exe_t *)data; + SIGAR_STRNCPY(procexe->name, name, sizeof(procexe->name)); + return !SIGAR_OK; /* break loop */ +} + +static int sigar_which_exe_get(sigar_t *sigar, sigar_proc_exe_t *procexe) +{ + char *path = getenv("PATH"); + char exe[PATH_MAX]; + if (path == NULL) { + return EINVAL; + } + + while (path) { + char *ptr = strchr(path, ':'); + if (!ptr) { + break; + } + exe[0] = '\0'; + strncat(exe, path, ptr-path); + strncat(exe, "/", 1); + strcat(exe, procexe->name); + if (access(exe, X_OK) == 0) { + SIGAR_STRNCPY(procexe->name, exe, sizeof(procexe->name)); + break; + } + path = ptr+1; + } + + return ENOENT; +} + +int sigar_proc_exe_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_exe_t *procexe) +{ + int status; + char buffer[BUFSIZ]; + struct ps_prochandle *phandle; + + if (sigar->solaris_version >= 10) { + return sigar_proc_path_exe_get(sigar, pid, procexe); + } + + if ((status = sigar_init_libproc(sigar)) != SIGAR_OK) { + return status; + } + + procexe->name[0] = '\0'; + + /* Pgrab would return G_SELF error */ + if (pid == sigar_pid_get(sigar)) { + sigar_proc_modules_t procmods; + procmods.module_getter = proc_module_get_exe; + procmods.data = procexe; + + status = + sigar_dlinfo_modules(sigar, &procmods); + if (status == SIGAR_OK) { + if (procexe->name[0] != '/') { + sigar_which_exe_get(sigar, procexe); + } + } + } + else { + status = sigar_pgrab(sigar, pid, SIGAR_FUNC, &phandle); + + if (status == SIGAR_OK) { + sigar->pexename(phandle, procexe->name, sizeof(procexe->name)); + sigar->pfree(phandle); + } + } + + if (procexe->name[0] == '\0') { + /*XXX*/ + } + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/cwd"); + + if (!sigar->pdirname(buffer, procexe->cwd, sizeof(procexe->cwd))) { + procexe->cwd[0] = '\0'; + } + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/root"); + + if (!(sigar->pdirname(buffer, procexe->root, sizeof(procexe->root)))) { + procexe->root[0] = '\0'; + } + + return SIGAR_OK; +} + +static int sigar_read_xmaps(sigar_t *sigar, + prxmap_t *xmaps, int total, + unsigned long *last_inode, + struct ps_prochandle *phandle, + sigar_proc_modules_t *procmods) +{ + int status, i; + unsigned long inode; + char buffer[BUFSIZ]; + + for (i=0; ipobjname(phandle, xmaps[i].pr_vaddr, buffer, sizeof(buffer)); + + status = + procmods->module_getter(procmods->data, buffer, strlen(buffer)); + + if (status != SIGAR_OK) { + /* not an error; just stop iterating */ + return status; + } + } + + return SIGAR_OK; +} + +static int sigar_pgrab_modules(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_modules_t *procmods) +{ + int fd, pstatus; + off_t map_size, nread; + unsigned long last_inode = 0; + prxmap_t xmaps[15]; /* ~2K */ + struct ps_prochandle *phandle; + struct stat statbuf; + char buffer[BUFSIZ]; + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/xmap"); + + if ((fd = open(buffer, O_RDONLY)) < 0) { + return errno; + } + + if (fstat(fd, &statbuf) < 0) { + close(fd); + return errno; + } + + map_size = statbuf.st_size; + + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[%s] pid=%d, size=%d", + SIGAR_FUNC, pid, map_size); + } + + if ((pstatus = sigar_init_libproc(sigar)) != SIGAR_OK) { + close(fd); + return pstatus; + } + + pstatus = sigar_pgrab(sigar, pid, SIGAR_FUNC, &phandle); + + if (pstatus != SIGAR_OK) { + close(fd); + return pstatus; + } + + for (nread=0; nread sizeof(xmaps) ? sizeof(xmaps) : map_size; + int total = wanted / sizeof(prxmap_t); + + if (pread(fd, xmaps, wanted, nread) != wanted) { + close(fd); + sigar->pfree(phandle); + return errno; + } + + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[%s] nread=%d, map_size=%d, wanted=%d, total=%d", + SIGAR_FUNC, + nread, map_size, wanted, total); + } + + if (sigar_read_xmaps(sigar, xmaps, total, + &last_inode, + phandle, procmods) != SIGAR_OK) + { + break; + } + + nread += wanted; + map_size -= wanted; + } + + close(fd); + + sigar->pfree(phandle); + + return SIGAR_OK; +} + +int sigar_proc_modules_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_modules_t *procmods) +{ + if (pid == sigar_pid_get(sigar)) { + /* Pgrab would return G_SELF, this is faster anyhow */ + /* XXX one difference to Pgrab, first entry is not the exe name */ + return sigar_dlinfo_modules(sigar, procmods); + } + else { + return sigar_pgrab_modules(sigar, pid, procmods); + } +} + +#define TIME_NSEC(t) \ + (SIGAR_SEC2NANO((t).tv_sec) + (sigar_uint64_t)(t).tv_nsec) + +int sigar_thread_cpu_get(sigar_t *sigar, + sigar_uint64_t id, + sigar_thread_cpu_t *cpu) +{ + struct lwpinfo info; + + if (id != 0) { + return SIGAR_ENOTIMPL; + } + + _lwp_info(&info); + + cpu->user = TIME_NSEC(info.lwp_utime); + cpu->sys = TIME_NSEC(info.lwp_stime); + cpu->total = TIME_NSEC(info.lwp_utime) + TIME_NSEC(info.lwp_stime); + + return SIGAR_OK; +} + +#include + +int sigar_os_fs_type_get(sigar_file_system_t *fsp) +{ + char *type = fsp->sys_type_name; + + switch (*type) { + case 'u': + if (strEQ(type, "ufs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + /* XXX */ + } + + return fsp->type; +} + +int sigar_file_system_list_get(sigar_t *sigar, + sigar_file_system_list_t *fslist) +{ + struct mnttab ent; + sigar_file_system_t *fsp; + FILE *fp = fopen(MNTTAB, "r"); + + if (!fp) { + return errno; + } + + sigar_file_system_list_create(fslist); + + while (getmntent(fp, &ent) == 0) { + if (strstr(ent.mnt_mntopts, "ignore")) { + continue; /* e.g. vold */ + } + + SIGAR_FILE_SYSTEM_LIST_GROW(fslist); + + fsp = &fslist->data[fslist->number++]; + + SIGAR_SSTRCPY(fsp->dir_name, ent.mnt_mountp); + SIGAR_SSTRCPY(fsp->dev_name, ent.mnt_special); + SIGAR_SSTRCPY(fsp->sys_type_name, ent.mnt_fstype); + SIGAR_SSTRCPY(fsp->options, ent.mnt_mntopts); + sigar_fs_type_init(fsp); + } + + fclose(fp); + + return SIGAR_OK; +} + +typedef struct { + char device[PATH_MAX]; + char name[8]; + int instance; +} fsdev_path_t; + +typedef struct { + char name[256]; + int is_partition; + sigar_disk_usage_t disk; +} iodev_t; + +static fsdev_path_t *get_fsdev_paths(sigar_t *sigar, + sigar_file_system_list_t *fslist) +{ + int i, ndisk, size; + char buffer[BUFSIZ], *ptr; + char *dev, *inst, *drv; + fsdev_path_t *paths, *mapping; + FILE *fp = fopen("/etc/path_to_inst", "r"); + + if (!fp) { + return NULL; + } + + for (i=0, ndisk=0; inumber; i++) { + sigar_file_system_t *fsp = &fslist->data[i]; + if (fsp->type == SIGAR_FSTYPE_LOCAL_DISK) { + ndisk++; + } + } + + size = sizeof(*paths) * (ndisk+1); + mapping = paths = malloc(size); + memset(mapping, '\0', size); + + while ((ptr = fgets(buffer, sizeof(buffer), fp))) { + /* eat dust java */ + char *q; + + SIGAR_SKIP_SPACE(ptr); + if (*ptr == '#') { + continue; + } + if (*ptr == '"') { + ptr++; + } + dev = ptr; + if (!(q = strchr(ptr, '"'))) { + continue; + } + ptr = q+1; + *q = '\0'; + SIGAR_SKIP_SPACE(ptr); + inst = ptr; + while (sigar_isdigit(*ptr)) { + ptr++; + } + *ptr = '\0'; + ptr++; + SIGAR_SKIP_SPACE(ptr); + if (*ptr == '"') { + ptr++; + } + drv = ptr; + if (!(q = strchr(ptr, '"'))) { + continue; + } + *q = '\0'; + + if (!(strEQ(drv, "sd") || + strEQ(drv, "ssd") || + strEQ(drv, "st") || + strEQ(drv, "dad") || + strEQ(drv, "cmdk"))) + { + continue; + } + + paths->instance = atoi(inst); + if (!kstat_lookup(sigar->kc, drv, paths->instance, NULL)) { + continue; + } + + SIGAR_SSTRCPY(paths->device, dev); + SIGAR_SSTRCPY(paths->name, drv); + + if (--ndisk < 0) { + /* XXX prevent overflow */ + break; + } + paths++; + } + fclose(fp); + + return mapping; +} + +static int create_fsdev_cache(sigar_t *sigar) +{ + fsdev_path_t *paths, *mapping; + sigar_file_system_list_t fslist; + int i, j; + int status; + int debug = SIGAR_LOG_IS_DEBUG(sigar); + + sigar->fsdev = sigar_cache_new(15); + + status = sigar_file_system_list_get(sigar, &fslist); + + if (status != SIGAR_OK) { + return status; + } + + if (!(mapping = get_fsdev_paths(sigar, &fslist))) { + sigar_file_system_list_destroy(sigar, &fslist); + return ENOENT; + } + + for (i=0; itype == SIGAR_FSTYPE_LOCAL_DISK) { + char device[PATH_MAX+1], *ptr=device; + int len = readlink(fsp->dev_name, device, sizeof(device)-1); + char *s; + char partition; + + if (len < 0) { + continue; + } + device[len] = '\0'; + + if (debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, "[fsdev] name=%s, dev=%s", + fsp->dev_name, device); + } + + while (strnEQ(ptr, "../", 3)) { + ptr += 3; + } + if (strnEQ(ptr, "devices", 7)) { + ptr += 7; + } + if ((s = strchr(ptr, ':'))) { + partition = *(s+1); + } + else { + continue; + } + + for (j=0, paths=mapping; paths->name[0]; j++) { + if (strnEQ(paths->device, ptr, strlen(paths->device))) { + sigar_cache_entry_t *ent; + struct stat sb; + int retval = stat(fsp->dir_name, &sb); + iodev_t *iodev; + + if (retval == 0) { + iodev = malloc(sizeof(*iodev)); + + SIGAR_DISK_STATS_INIT(&iodev->disk); + /* e.g. sd9,g + * module == sd + * instance == 9 + * partition == 8 + */ + snprintf(iodev->name, sizeof(iodev->name), "%s%d,%c", + paths->name, paths->instance, partition); + + ent = sigar_cache_get(sigar->fsdev, SIGAR_FSDEV_ID(sb)); + ent->value = iodev; + + if (debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[fsdev] map %s -> %s", + fsp->dir_name, iodev->name); + } + } + break; + } + paths++; + } + } + } + + free(mapping); + sigar_file_system_list_destroy(sigar, &fslist); + + return SIGAR_OK; +} + +static int io_kstat_read(sigar_t *sigar, + sigar_disk_usage_t *disk, + kstat_t *ksp) +{ + kstat_io_t *io; + + kstat_read(sigar->kc, ksp, NULL); + + io = (kstat_io_t *)ksp->ks_data; + + disk->reads = io->reads; + disk->writes = io->writes; + disk->read_bytes = io->nread; + disk->write_bytes = io->nwritten; + disk->qtime = io->wlentime; + disk->rtime = io->rlentime; + disk->wtime = io->wlentime; + disk->time = disk->rtime + disk->wtime; + disk->snaptime = ksp->ks_snaptime; + + return SIGAR_OK; +} + + +static int sigar_kstat_disk_usage_get(sigar_t *sigar, const char *name, + sigar_disk_usage_t *disk, + kstat_t **kio) +{ + kstat_t *ksp; + + if (sigar_kstat_update(sigar) == -1) { + return errno; + } + + for (ksp = sigar->kc->kc_chain; + ksp; + ksp = ksp->ks_next) + { + if (ksp->ks_type != KSTAT_TYPE_IO) { + continue; + } + if (strEQ(ksp->ks_name, name)) { + int status = io_kstat_read(sigar, disk, ksp); + *kio = ksp; + return status; + } + } + + return ENXIO; +} + +static int simple_hash(const char *s) +{ + int hash = 0; + while (*s) { + hash = 31*hash + *s++; + } + return hash; +} + +int sigar_disk_usage_get(sigar_t *sigar, const char *name, + sigar_disk_usage_t *disk) +{ + kstat_t *ksp; + int status; + iodev_t *iodev = NULL; + sigar_cache_entry_t *ent; + sigar_uint64_t id; + + SIGAR_DISK_STATS_INIT(disk); + + if (!sigar->fsdev) { + if (create_fsdev_cache(sigar) != SIGAR_OK) { + return SIGAR_OK; + } + } + + if (*name == '/') { + struct stat sb; + + if (stat(name, &sb) < 0) { + return errno; + } + + id = SIGAR_FSDEV_ID(sb); + ent = sigar_cache_get(sigar->fsdev, id); + if (ent->value == NULL) { + return ENXIO; + } + iodev = (iodev_t *)ent->value; + + status = sigar_kstat_disk_usage_get(sigar, iodev->name, disk, &ksp); + } + else { + status = sigar_kstat_disk_usage_get(sigar, name, disk, &ksp); + if (status != SIGAR_OK) { + return status; + } + id = simple_hash(name); /*XXX*/ + ent = sigar_cache_get(sigar->fsdev, id); + if (ent->value) { + iodev = (iodev_t *)ent->value; + } + else { + ent->value = iodev = malloc(sizeof(*iodev)); + SIGAR_SSTRCPY(iodev->name, name); + SIGAR_DISK_STATS_INIT(&iodev->disk); + } + } + + /* service_time formula derived from opensolaris.org:iostat.c */ + if ((status == SIGAR_OK) && iodev) { + sigar_uint64_t delta; + double avw, avr, tps, mtps; + double etime, hr_etime; + + if (iodev->disk.snaptime) { + delta = disk->snaptime - iodev->disk.snaptime; + } + else { + delta = ksp->ks_crtime - ksp->ks_snaptime; + } + + hr_etime = (double)delta; + if (hr_etime == 0.0) { + hr_etime = (double)NANOSEC; + } + etime = hr_etime / (double)NANOSEC; + + tps = + (((double)(disk->reads - iodev->disk.reads)) / etime) + + (((double)(disk->writes - iodev->disk.writes)) / etime); + + delta = disk->wtime - iodev->disk.wtime; + if (delta) { + avw = (double)delta; + avw /= hr_etime; + } + else { + avw = 0.0; + } + + delta = disk->rtime - iodev->disk.rtime; + if (delta) { + avr = (double)delta; + avr /= hr_etime; + } + else { + avr = 0.0; + } + + disk->queue = avw; + disk->service_time = 0.0; + + if (tps && (avw != 0.0 || avr != 0.0)) { + mtps = 1000.0 / tps; + if (avw != 0.0) { + disk->service_time += avw * mtps; + } + if (avr != 0.0) { + disk->service_time += avr * mtps; + } + } + + memcpy(&iodev->disk, disk, sizeof(iodev->disk)); + } + + return status; +} + +int sigar_file_system_usage_get(sigar_t *sigar, + const char *dirname, + sigar_file_system_usage_t *fsusage) +{ + int status = sigar_statvfs(sigar, dirname, fsusage); + + if (status != SIGAR_OK) { + return status; + } + + fsusage->use_percent = sigar_file_system_usage_calc_used(sigar, fsusage); + + sigar_disk_usage_get(sigar, dirname, &fsusage->disk); + + return SIGAR_OK; +} + +int sigar_cpu_info_list_get(sigar_t *sigar, + sigar_cpu_info_list_t *cpu_infos) +{ + processor_info_t stats; + unsigned int i; + int status = SIGAR_OK; + int brand = -1; + sigar_cache_t *chips; + int is_debug = SIGAR_LOG_IS_DEBUG(sigar); + int nsockets = 0; + + if (sigar_kstat_update(sigar) == -1) { /* for sigar->ncpu */ + return errno; + } + + /* + * stats we care about will be the same for each + * online processor, so just grab the first. + */ + for (i=0; incpu; i++) { + processorid_t id = sigar->ks.cpuid[i]; + + if ((status = processor_info(id, &stats)) < 0) { + continue; + } + else { + status = SIGAR_OK; + break; + } + } + + if (status != SIGAR_OK) { + /* should never happen */ + return ENOENT; + } + + sigar_cpu_info_list_create(cpu_infos); + chips = sigar_cache_new(16); + chips->free_value = free_chip_id; + + for (i=0; incpu; i++) { + sigar_cpu_info_t *info; + int chip_id = get_chip_id(sigar, i); + + if (chip_id != -1) { + sigar_cache_entry_t *ent = + sigar_cache_get(chips, chip_id); + + if (ent->value) { + if (!sigar->cpu_list_cores) { + continue; + } + } + else { + ++nsockets; + ent->value = chips; /*anything non-NULL*/ + if (is_debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[cpu_list] Merging info of" + " logical processors for chip_id=%d", + chip_id); + } + } + } + else { + ++nsockets; + } + + SIGAR_CPU_INFO_LIST_GROW(cpu_infos); + + info = &cpu_infos->data[cpu_infos->number++]; + + SIGAR_SSTRCPY(info->model, stats.pi_processor_type); + + if (brand == -1) { + brand = get_chip_brand(sigar, i, info); + } + + if (strEQ(info->model, "i386")) { + if (!brand) { + /* assume Intel on x86 */ + SIGAR_SSTRCPY(info->vendor, "Intel"); + } + SIGAR_SSTRCPY(info->model, "x86"); + } + else { + if (!brand) { + /* assume Sun */ + SIGAR_SSTRCPY(info->vendor, "Sun"); + } + /* s/sparc/Sparc/ */ + info->model[0] = toupper(info->model[0]); + } + + if (brand) { + SIGAR_SSTRCPY(info->vendor, cpu_infos->data[0].vendor); + } + + info->mhz = stats.pi_clock; + info->cache_size = SIGAR_FIELD_NOTIMPL; /*XXX*/ + } + + sigar_cache_destroy(chips); + + for (i=0; inumber; i++) { + sigar_cpu_info_t *info = &cpu_infos->data[i]; + info->total_sockets = nsockets; + info->total_cores = sigar->ncpu; + info->cores_per_socket = sigar->ncpu / nsockets; + } + + return SIGAR_OK; +} + +int sigar_net_route_list_get(sigar_t *sigar, + sigar_net_route_list_t *routelist) + +{ + char *data; + int len, rc; + struct opthdr *op; + size_t nread=0, size=0; + const char *size_from; + + sigar_net_route_list_create(routelist); + + while ((rc = get_mib2(&sigar->mib2, &op, &data, &len)) == GET_MIB2_OK) { + mib2_ipRouteEntry_t *entry; + char *end; + + if (op->level != MIB2_IP) { + continue; + } + + if (op->name == 0) { + /* we want to use this size for bincompat */ + size = ((mib2_ip_t *)data)->ipRouteEntrySize; + continue; + } + else if (op->name != MIB2_IP_21) { + continue; + } + + if (size == 0) { + size_from = "sizeof"; + size = sizeof(*entry); + } + else { + size_from = "mib2_ip"; + } + + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[route_list] ipRouteEntrySize=%d (from %s)", + size, size_from); + } + + for (entry = (mib2_ipRouteEntry_t *)data, end = data + len; + (char *)entry < end; + nread+=size, entry = (mib2_ipRouteEntry_t *)((char *)data+nread)) + { + sigar_net_route_t *route; + int type = entry->ipRouteInfo.re_ire_type; + + /* filter same as netstat -r */ + if ((type == IRE_CACHE) || + (type == IRE_BROADCAST) || + (type == IRE_LOCAL)) + { + continue; + } + + SIGAR_NET_ROUTE_LIST_GROW(routelist); + route = &routelist->data[routelist->number++]; + + sigar_net_address_set(route->destination, + entry->ipRouteDest); + + sigar_net_address_set(route->gateway, + entry->ipRouteNextHop); + + sigar_net_address_set(route->mask, + entry->ipRouteMask); + + route->refcnt = entry->ipRouteInfo.re_ref; + route->irtt = entry->ipRouteInfo.re_rtt; + route->metric = entry->ipRouteMetric1; + + SIGAR_SSTRCPY(route->ifname, entry->ipRouteIfIndex.o_bytes); + + route->flags = RTF_UP; + if ((route->destination.addr.in == 0) && + (route->mask.addr.in == 0)) + { + route->flags |= RTF_GATEWAY; + } + + route->use = route->window = route->mtu = + SIGAR_FIELD_NOTIMPL; /*XXX*/ + } + } + + if (rc != GET_MIB2_EOD) { + close_mib2(&sigar->mib2); + return SIGAR_EMIB2; + } + + return SIGAR_OK; +} + +static void ifstat_kstat_common(sigar_net_interface_stat_t *ifstat, + kstat_named_t *data, int ndata) +{ + int i; + + for (i=0; itx_collisions = value; + } + break; + case 'd': + if (strEQ(ptr, "drop")) { + ifstat->rx_dropped = value; + ifstat->tx_dropped = value; + } + break; + case 'i': + if (strEQ(ptr, "ipackets")) { + if (ifstat->rx_packets == 0) { + ifstat->rx_packets = value; + } + } + else if (strEQ(ptr, "ipackets64")) { + ifstat->rx_packets = data[i].value.ui64; + } + else if (strEQ(ptr, "ierrors")) { + ifstat->rx_errors = value; + } + else if (strEQ(ptr, "ifspeed")) { + ifstat->speed = value; + } + break; + case 'f': + if (strEQ(ptr, "framing")) { + ifstat->rx_frame = value; + } + break; + case 'm': + if (strEQ(ptr, "missed")) { + ifstat->rx_dropped = value; + ifstat->tx_dropped = value; + } + break; + case 'n': + if (strEQ(ptr, "nocarrier")) { + ifstat->tx_carrier = value; + } + break; + case 'o': + if (strEQ(ptr, "obytes")) { + if (ifstat->tx_bytes == 0) { + ifstat->tx_bytes = value; + } + } + else if (strEQ(ptr, "obytes64")) { + ifstat->tx_bytes = data[i].value.ui64; + } + else if (strEQ(ptr, "oerrors")) { + ifstat->tx_errors = value; + } + else if (strEQ(ptr, "oflo")) { + ifstat->tx_overruns = value; + } + else if (strEQ(ptr, "opackets")) { + if (ifstat->tx_packets == 0) { + ifstat->tx_packets = value; + } + } + else if (strEQ(ptr, "opackets64")) { + ifstat->tx_packets = data[i].value.ui64; + } + else if (strEQ(ptr, "toolong_errors")) { + ifstat->tx_overruns = value; + } + break; + case 'r': + if (strEQ(ptr, "rbytes")) { + if (ifstat->rx_bytes == 0) { + ifstat->rx_bytes = value; + } + } + else if (strEQ(ptr, "rbytes64")) { + ifstat->rx_bytes = data[i].value.ui64; + } + else if (strEQ(ptr, "rx_overflow")) { + ifstat->rx_overruns = value; + } + break; + default: + break; + } + } +} + +static int sigar_net_ifstat_get_any(sigar_t *sigar, const char *name, + sigar_net_interface_stat_t *ifstat) +{ + kstat_ctl_t *kc = sigar->kc; + kstat_t *ksp; + kstat_named_t *data; + + if (sigar_kstat_update(sigar) == -1) { + return errno; + } + + if (!(ksp = kstat_lookup(kc, NULL, -1, (char *)name))) { + return ENXIO; + } + + if (kstat_read(kc, ksp, NULL) < 0) { + return ENOENT; + } + + data = (kstat_named_t *)ksp->ks_data; + + ifstat_kstat_common(ifstat, data, ksp->ks_ndata); + + return SIGAR_OK; +} + +/* loopback interface only has rx/tx packets */ +static int sigar_net_ifstat_get_lo(sigar_t *sigar, const char *name, + sigar_net_interface_stat_t *ifstat) +{ + ifstat->rx_packets = 0; + ifstat->rx_bytes = SIGAR_FIELD_NOTIMPL; + ifstat->rx_errors = SIGAR_FIELD_NOTIMPL; + ifstat->rx_dropped = SIGAR_FIELD_NOTIMPL; + ifstat->rx_overruns = SIGAR_FIELD_NOTIMPL; + ifstat->rx_frame = SIGAR_FIELD_NOTIMPL; + + ifstat->tx_packets = 0; + ifstat->tx_bytes = SIGAR_FIELD_NOTIMPL; + ifstat->tx_errors = SIGAR_FIELD_NOTIMPL; + ifstat->tx_dropped = SIGAR_FIELD_NOTIMPL; + ifstat->tx_overruns = SIGAR_FIELD_NOTIMPL; + ifstat->tx_collisions = SIGAR_FIELD_NOTIMPL; + ifstat->tx_carrier = SIGAR_FIELD_NOTIMPL; + + ifstat->speed = SIGAR_FIELD_NOTIMPL; + + return sigar_net_ifstat_get_any(sigar, name, ifstat); +} + +int sigar_net_interface_stat_get(sigar_t *sigar, const char *name, + sigar_net_interface_stat_t *ifstat) +{ + ifstat->speed = SIGAR_FIELD_NOTIMPL; + + if (strnEQ(name, "lo", 2)) { + return sigar_net_ifstat_get_lo(sigar, name, ifstat); + } + else { + SIGAR_ZERO(ifstat); + return sigar_net_ifstat_get_any(sigar, name, ifstat); + } +} + +int sigar_net_interface_ipv6_config_get(sigar_t *sigar, const char *name, + sigar_net_interface_config_t *ifconfig) +{ + int sock; + struct lifreq lifr; + + if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { + return errno; + } + + SIGAR_SSTRCPY(lifr.lifr_name, name); + + if (ioctl(sock, SIOCGLIFADDR, &lifr) == 0) { + struct in6_addr *addr = SIGAR_SIN6_ADDR(&lifr.lifr_addr); + + sigar_net_address6_set(ifconfig->address6, addr); + sigar_net_interface_scope6_set(ifconfig, addr); + ifconfig->prefix6_length = lifr.lifr_addrlen; + } + + close(sock); + return SIGAR_OK; +} + +#define TCPQ_SIZE(s) ((s) >= 0 ? (s) : 0) + +static int tcp_connection_get(sigar_net_connection_walker_t *walker, + struct mib2_tcpConnEntry *entry, + int len) +{ + int flags = walker->flags; + int status; + char *end = (char *)entry + len; + + while ((char *)entry < end) { + int state = entry->tcpConnEntryInfo.ce_state; + + if (((flags & SIGAR_NETCONN_SERVER) && (state == TCPS_LISTEN)) || + ((flags & SIGAR_NETCONN_CLIENT) && (state != TCPS_LISTEN))) + { + sigar_net_connection_t conn; + + SIGAR_ZERO(&conn); + + sigar_net_address_set(conn.local_address, entry->tcpConnLocalAddress); + sigar_net_address_set(conn.remote_address, entry->tcpConnRemAddress); + + conn.local_port = entry->tcpConnLocalPort; + conn.remote_port = entry->tcpConnRemPort; + conn.type = SIGAR_NETCONN_TCP; + conn.send_queue = + TCPQ_SIZE(entry->tcpConnEntryInfo.ce_snxt - + entry->tcpConnEntryInfo.ce_suna - 1); + conn.receive_queue = + TCPQ_SIZE(entry->tcpConnEntryInfo.ce_rnxt - + entry->tcpConnEntryInfo.ce_rack); + + switch (state) { + case TCPS_CLOSED: + conn.state = SIGAR_TCP_CLOSE; + break; + case TCPS_IDLE: + conn.state = SIGAR_TCP_IDLE; + break; + case TCPS_BOUND: + conn.state = SIGAR_TCP_BOUND; + break; + case TCPS_LISTEN: + conn.state = SIGAR_TCP_LISTEN; + break; + case TCPS_SYN_SENT: + conn.state = SIGAR_TCP_SYN_SENT; + break; + case TCPS_SYN_RCVD: + conn.state = SIGAR_TCP_SYN_RECV; + break; + case TCPS_ESTABLISHED: + conn.state = SIGAR_TCP_ESTABLISHED; + break; + case TCPS_CLOSE_WAIT: + conn.state = SIGAR_TCP_CLOSE_WAIT; + break; + case TCPS_FIN_WAIT_1: + conn.state = SIGAR_TCP_FIN_WAIT1; + break; + case TCPS_CLOSING: + conn.state = SIGAR_TCP_CLOSING; + break; + case TCPS_LAST_ACK: + conn.state = SIGAR_TCP_LAST_ACK; + break; + case TCPS_FIN_WAIT_2: + conn.state = SIGAR_TCP_FIN_WAIT2; + break; + case TCPS_TIME_WAIT: + conn.state = SIGAR_TCP_TIME_WAIT; + break; + default: + conn.state = SIGAR_TCP_UNKNOWN; + break; + } + + status = walker->add_connection(walker, &conn); + if (status != SIGAR_OK) { + return status; + } + } + + entry++; + } + + return SIGAR_OK; +} + +static int udp_connection_get(sigar_net_connection_walker_t *walker, + struct mib2_udpEntry *entry, + int len) +{ + int flags = walker->flags; + int status; + char *end = (char *)entry + len; + + while ((char *)entry < end) { + int state = entry->udpEntryInfo.ue_state; + + /* XXX dunno if this state check is right */ + if (((flags & SIGAR_NETCONN_SERVER) && (state == MIB2_UDP_idle)) || + ((flags & SIGAR_NETCONN_CLIENT) && (state != MIB2_UDP_idle))) + { + sigar_net_connection_t conn; + + SIGAR_ZERO(&conn); + + sigar_net_address_set(conn.local_address, entry->udpLocalAddress); + sigar_net_address_set(conn.remote_address, 0); + + conn.local_port = entry->udpLocalPort; + conn.remote_port = 0; + conn.type = SIGAR_NETCONN_UDP; + + status = walker->add_connection(walker, &conn); + if (status != SIGAR_OK) { + return status; + } + } + + entry++; + } + + return SIGAR_OK; +} + +int sigar_net_connection_walk(sigar_net_connection_walker_t *walker) +{ + sigar_t *sigar = walker->sigar; + int flags = walker->flags; + int status; + int want_tcp = flags & SIGAR_NETCONN_TCP; + int want_udp = flags & SIGAR_NETCONN_UDP; + char *data; + int len; + int rc; + struct opthdr *op; + + while ((rc = get_mib2(&sigar->mib2, &op, &data, &len)) == GET_MIB2_OK) { + if ((op->level == MIB2_TCP) && + (op->name == MIB2_TCP_13) && + want_tcp) + { + status = + tcp_connection_get(walker, + (struct mib2_tcpConnEntry *)data, + len); + } + else if ((op->level == MIB2_UDP) && + (op->name == MIB2_UDP_5) && + want_udp) + { + status = + udp_connection_get(walker, + (struct mib2_udpEntry *)data, + len); + } + else { + status = SIGAR_OK; + } + + if (status != SIGAR_OK) { + break; + } + } + + if (rc != GET_MIB2_EOD) { + close_mib2(&sigar->mib2); + return SIGAR_EMIB2; + } + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) +sigar_tcp_get(sigar_t *sigar, + sigar_tcp_t *tcp) +{ + char *data; + int len; + int rc; + struct opthdr *op; + mib2_tcp_t *mib = NULL; + + while ((rc = get_mib2(&sigar->mib2, &op, &data, &len)) == GET_MIB2_OK) { + if ((op->level == MIB2_TCP) && (op->name == 0)) { + mib = (mib2_tcp_t *)data; + break; + } + } + + if (mib) { + tcp->active_opens = mib->tcpActiveOpens; + tcp->passive_opens = mib->tcpPassiveOpens; + tcp->attempt_fails = mib->tcpAttemptFails; + tcp->estab_resets = mib->tcpEstabResets; + tcp->curr_estab = mib->tcpCurrEstab; + tcp->in_segs = mib->tcpInSegs; + tcp->out_segs = mib->tcpOutSegs; + tcp->retrans_segs = mib->tcpRetransSegs; + tcp->in_errs = SIGAR_FIELD_NOTIMPL; /* XXX mib2_ip_t.tcpInErrs */ + tcp->out_rsts = mib->tcpOutRsts; + return SIGAR_OK; + } + else { + return SIGAR_ENOTIMPL; + } +} + +static int sigar_nfs_get(sigar_t *sigar, + char *type, + char **names, + char *nfs) +{ + size_t offset; + kstat_t *ksp; + int i; + + if (sigar_kstat_update(sigar) == -1) { + return errno; + } + + if (!(ksp = kstat_lookup(sigar->kc, "nfs", 0, type))) { + return SIGAR_ENOTIMPL; + } + + if (kstat_read(sigar->kc, ksp, NULL) < 0) { + return errno; + } + + for (i=0, offset=0; + names[i]; + i++, offset+=sizeof(sigar_uint64_t)) + { + sigar_uint64_t val; + kstat_named_t *kv = + kstat_data_lookup(ksp, names[i]); + + if (kv) { + val = kv->value.ui64; + } + else { + val = -1; + } + + *(sigar_uint64_t *)((char *)nfs + offset) = val; + } + + return SIGAR_OK; +} + +static char *nfs_v2_names[] = { + "null", + "getattr", + "setattr", + "root", + "lookup", + "readlink", + "read", + "wrcache", + "write", + "create", + "remove", + "rename", + "link", + "symlink", + "mkdir", + "rmdir", + "readdir", + "statfs", + NULL +}; + +int sigar_nfs_client_v2_get(sigar_t *sigar, + sigar_nfs_client_v2_t *nfs) +{ + return sigar_nfs_get(sigar, "rfsreqcnt_v2", nfs_v2_names, (char *)nfs); +} + +int sigar_nfs_server_v2_get(sigar_t *sigar, + sigar_nfs_server_v2_t *nfs) +{ + return sigar_nfs_get(sigar, "rfsproccnt_v2", nfs_v2_names, (char *)nfs); +} + +static char *nfs_v3_names[] = { + "null", + "getattr", + "setattr", + "lookup", + "access", + "readlink", + "read", + "write", + "create", + "mkdir", + "symlink", + "mknod", + "remove", + "rmdir", + "rename", + "link", + "readdir", + "readdirplus", + "fsstat", + "fsinfo", + "pathconf", + "commit", + NULL +}; + +int sigar_nfs_client_v3_get(sigar_t *sigar, + sigar_nfs_client_v3_t *nfs) +{ + return sigar_nfs_get(sigar, "rfsreqcnt_v3", nfs_v3_names, (char *)nfs); +} + +int sigar_nfs_server_v3_get(sigar_t *sigar, + sigar_nfs_server_v3_t *nfs) +{ + return sigar_nfs_get(sigar, "rfsproccnt_v3", nfs_v3_names, (char *)nfs); +} + +int sigar_arp_list_get(sigar_t *sigar, + sigar_arp_list_t *arplist) +{ + char *data; + int len, rc; + struct opthdr *op; + size_t nread=0, size=0; + const char *size_from; + + sigar_arp_list_create(arplist); + + while ((rc = get_mib2(&sigar->mib2, &op, &data, &len)) == GET_MIB2_OK) { + mib2_ipNetToMediaEntry_t *entry; + char *end; + + if (op->level != MIB2_IP) { + continue; + } + + if (op->name == 0) { + /* we want to use this size for bincompat */ + size = ((mib2_ip_t *)data)->ipNetToMediaEntrySize; + continue; + } + else if (op->name != MIB2_IP_MEDIA) { + continue; + } + + if (size == 0) { + size_from = "sizeof"; + size = sizeof(*entry); + } + else { + size_from = "mib2_ip"; + } + + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[arp_list] ipNetToMediaEntrySize=%d (from %s)", + size, size_from); + } + + for (entry = (mib2_ipNetToMediaEntry_t *)data, end = data + len; + (char *)entry < end; + nread+=size, entry = (mib2_ipNetToMediaEntry_t *)((char *)data+nread)) + { + sigar_arp_t *arp; + + SIGAR_ARP_LIST_GROW(arplist); + arp = &arplist->data[arplist->number++]; + + sigar_net_address_set(arp->address, + entry->ipNetToMediaNetAddress); + + sigar_net_address_mac_set(arp->hwaddr, + entry->ipNetToMediaPhysAddress.o_bytes, + entry->ipNetToMediaPhysAddress.o_length); + + SIGAR_SSTRCPY(arp->ifname, entry->ipNetToMediaIfIndex.o_bytes); + + arp->flags = entry->ipNetToMediaInfo.ntm_flags; + SIGAR_SSTRCPY(arp->type, "ether"); /*XXX*/ + } + } + + if (rc != GET_MIB2_EOD) { + close_mib2(&sigar->mib2); + return SIGAR_EMIB2; + } + + return SIGAR_OK; +} + +static int find_port(sigar_t *sigar, struct ps_prochandle *phandle, + sigar_pid_t pid, unsigned long port) +{ + DIR *dirp; + struct dirent *ent; + char pname[PATH_MAX]; + struct stat64 statb; + int found=0; + + sprintf(pname, "/proc/%d/fd", (int)pid); + + if (!(dirp = opendir(pname))) { + return 0; + } + + while ((ent = readdir(dirp))) { + int fd; + + if (!sigar_isdigit(ent->d_name[0])) { + continue; + } + fd = atoi(ent->d_name); + + if (sigar->pfstat64(phandle, fd, &statb) == -1) { + continue; + } + + if ((statb.st_mode & S_IFMT) == S_IFSOCK) { + struct sockaddr_in sin; + struct sockaddr *sa = (struct sockaddr *)&sin; + socklen_t len = sizeof(sin); + int opt, optsz, rc; + + optsz = sizeof(opt); + rc = sigar->pgetsockopt(phandle, fd, SOL_SOCKET, SO_TYPE, &opt, &optsz); + if (rc != 0) { + continue; + } + if (opt != SOCK_STREAM) { + continue; + } + optsz = sizeof(opt); + rc = sigar->pgetsockopt(phandle, fd, SOL_SOCKET, SO_ACCEPTCONN, &opt, &optsz); + if (rc != 0) { + continue; + } + if (opt != SO_ACCEPTCONN) { + continue; + } + + rc = sigar->pgetsockname(phandle, fd, sa, &len); + if (rc != 0) { + continue; + } + + if ((sa->sa_family == AF_INET) || + (sa->sa_family == AF_INET6)) + { + if (ntohs(sin.sin_port) == port) { + found = 1; + break; + } + } + } + } + + closedir(dirp); + + return found; +} + +/* derived from /usr/bin/pfiles.c */ +int sigar_proc_port_get(sigar_t *sigar, int protocol, + unsigned long port, sigar_pid_t *pid) +{ + sigar_proc_list_t pids; + int i, status, found=0; + + if (sigar->solaris_version < 10) { + return SIGAR_ENOTIMPL; + } + + if ((status = sigar_init_libproc(sigar)) != SIGAR_OK) { + return SIGAR_ENOTIMPL; + } + status = sigar_proc_list_get(sigar, &pids); + if (status != SIGAR_OK) { + return status; + } + + for (i=0; ipcreate_agent(phandle) == 0) { + found = find_port(sigar, phandle, ps_id, port); + sigar->pdestroy_agent(phandle); + } + + sigar->pfree(phandle); + if (found) { + *pid = ps_id; + break; + } + } + + sigar_proc_list_destroy(sigar, &pids); + + return found ? SIGAR_OK : ENOENT; +} + +int sigar_os_sys_info_get(sigar_t *sigar, + sigar_sys_info_t *sys_info) +{ + char *vendor_version; + + sysinfo(SI_ARCHITECTURE, sys_info->arch, sizeof(sys_info->arch)); + + SIGAR_SSTRCPY(sys_info->name, "Solaris"); + SIGAR_SSTRCPY(sys_info->vendor, "Sun Microsystems"); + + if (strEQ(sys_info->version, "5.6")) { + vendor_version = "2.6"; + } + else { + if ((vendor_version = strchr(sys_info->version, '.'))) { + ++vendor_version; + } + else { + vendor_version = sys_info->version; + } + } + + SIGAR_SSTRCPY(sys_info->vendor_version, vendor_version); + + snprintf(sys_info->description, + sizeof(sys_info->description), + "%s %s", + sys_info->name, sys_info->vendor_version); + + return SIGAR_OK; +} diff --git a/vendor/sigar/src/os/win32/peb.c b/vendor/sigar/src/os/win32/peb.c new file mode 100644 index 0000000..d8b2eca --- /dev/null +++ b/vendor/sigar/src/os/win32/peb.c @@ -0,0 +1,212 @@ +/* + * Copyright (c) 2004, 2006-2008 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2009 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* + * functions for getting info from the Process Environment Block + */ +#define UNICODE +#define _UNICODE + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_os.h" +#include + +void dllmod_init_ntdll(sigar_t *sigar); + +#define sigar_NtQueryInformationProcess \ + sigar->ntdll.query_proc_info.func + +static int sigar_pbi_get(sigar_t *sigar, HANDLE proc, PEB *peb) +{ + int status; + PROCESS_BASIC_INFORMATION pbi; + DWORD size=sizeof(pbi); + + dllmod_init_ntdll(sigar); + + if (!sigar_NtQueryInformationProcess) { + return SIGAR_ENOTIMPL; + } + + SIGAR_ZERO(&pbi); + status = + sigar_NtQueryInformationProcess(proc, + ProcessBasicInformation, + &pbi, + size, NULL); + if (status != ERROR_SUCCESS) { + return status; + } + + if (!pbi.PebBaseAddress) { + /* likely we are 32-bit, pid process is 64-bit */ + return ERROR_DATATYPE_MISMATCH; + } + + size = sizeof(*peb); + + if (ReadProcessMemory(proc, pbi.PebBaseAddress, peb, size, NULL)) { + return SIGAR_OK; + } + else { + return GetLastError(); + } +} + +static int sigar_rtl_get(sigar_t *sigar, HANDLE proc, + RTL_USER_PROCESS_PARAMETERS *rtl) +{ + PEB peb; + int status = sigar_pbi_get(sigar, proc, &peb); + DWORD size=sizeof(*rtl); + + if (status != SIGAR_OK) { + return status; + } + + if (ReadProcessMemory(proc, peb.ProcessParameters, rtl, size, NULL)) { + return SIGAR_OK; + } + else { + return GetLastError(); + } +} + +#define rtl_bufsize(buf, uc) \ + ((sizeof(buf) < uc.Length) ? sizeof(buf) : uc.Length) + +int sigar_proc_exe_peb_get(sigar_t *sigar, HANDLE proc, + sigar_proc_exe_t *procexe) +{ + int status; + WCHAR buf[MAX_PATH+1]; + RTL_USER_PROCESS_PARAMETERS rtl; + DWORD size; + + procexe->name[0] = '\0'; + procexe->cwd[0] = '\0'; + + if ((status = sigar_rtl_get(sigar, proc, &rtl)) != SIGAR_OK) { + return status; + } + + size = rtl_bufsize(buf, rtl.ImagePathName); + memset(buf, '\0', sizeof(buf)); + + if ((size > 0) && + ReadProcessMemory(proc, rtl.ImagePathName.Buffer, buf, size, NULL)) + { + SIGAR_W2A(buf, procexe->name, sizeof(procexe->name)); + } + + size = rtl_bufsize(buf, rtl.CurrentDirectoryName); + memset(buf, '\0', sizeof(buf)); + + if ((size > 0) && + ReadProcessMemory(proc, rtl.CurrentDirectoryName.Buffer, buf, size, NULL)) + { + SIGAR_W2A(buf, procexe->cwd, sizeof(procexe->cwd)); + } + + return SIGAR_OK; +} + +int sigar_parse_proc_args(sigar_t *sigar, WCHAR *buf, + sigar_proc_args_t *procargs) +{ + char arg[SIGAR_CMDLINE_MAX]; + LPWSTR *args; + int num, i; + + if (!buf) { + buf = GetCommandLine(); + } + + args = CommandLineToArgvW(buf, &num); + + if (args == NULL) { + return SIGAR_OK; + } + + for (i=0; idata[procargs->number++] = sigar_strdup(arg); + } + + GlobalFree(args); + + return SIGAR_OK; +} + +int sigar_proc_args_peb_get(sigar_t *sigar, HANDLE proc, + sigar_proc_args_t *procargs) +{ + int status; + WCHAR buf[SIGAR_CMDLINE_MAX]; + RTL_USER_PROCESS_PARAMETERS rtl; + DWORD size; + + if ((status = sigar_rtl_get(sigar, proc, &rtl)) != SIGAR_OK) { + return status; + } + + size = rtl_bufsize(buf, rtl.CommandLine); + if (size <= 0) { + return ERROR_DATATYPE_MISMATCH; /* fallback to wmi */ + } + memset(buf, '\0', sizeof(buf)); + + if (ReadProcessMemory(proc, rtl.CommandLine.Buffer, buf, size, NULL)) { + return sigar_parse_proc_args(sigar, buf, procargs); + } + else { + return GetLastError(); + } +} + +int sigar_proc_env_peb_get(sigar_t *sigar, HANDLE proc, + WCHAR *buf, DWORD size) +{ + int status; + RTL_USER_PROCESS_PARAMETERS rtl; + MEMORY_BASIC_INFORMATION info; + + if ((status = sigar_rtl_get(sigar, proc, &rtl)) != SIGAR_OK) { + return status; + } + + memset(buf, '\0', size); + /* -2 to ensure \0\0 terminator */ + size -= 2; + + if (VirtualQueryEx(proc, rtl.Environment, &info, sizeof(info))) { + if (size > info.RegionSize) { + /* ReadProcessMemory beyond region would fail */ + size = info.RegionSize; + } + } + + if (ReadProcessMemory(proc, rtl.Environment, buf, size, NULL)) { + return SIGAR_OK; + } + else { + return GetLastError(); + } +} diff --git a/vendor/sigar/src/os/win32/sigar_os.h b/vendor/sigar/src/os/win32/sigar_os.h new file mode 100755 index 0000000..cf61c25 --- /dev/null +++ b/vendor/sigar/src/os/win32/sigar_os.h @@ -0,0 +1,676 @@ +/* + * Copyright (c) 2004-2009 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2009-2010 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SIGAR_OS_H +#define SIGAR_OS_H + +#if !defined(MSVC) && defined(_MSC_VER) +#define MSVC +#endif + +#ifdef MSVC +#define WIN32_LEAN_AND_MEAN +#define snprintf _snprintf +#if _MSC_VER <= 1200 +#define SIGAR_USING_MSC6 /* Visual Studio version 6 */ +#define HAVE_MIB_IPADDRROW_WTYPE 0 +#else +#define HAVE_MIB_IPADDRROW_WTYPE 1 +#endif +#else +/* Cross compiling */ +#define _WIN32_WINNT 0x0501 +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "sigar_util.h" + +#ifdef MSVC +# define INT64_C(val) val##i64 +# define SIGAR_DLLFUNC(api, name) \ + struct { \ + const char *name; \ + ##api##_##name func; \ + } ##name +#else +/* The GCC compiler doesn't require/accept the ## prefix */ +# define INT64_C(val) val##L +# define SIGAR_DLLFUNC(api, name) \ + struct { \ + const char *name; \ + api##_##name func; \ + } name +#endif + +/* see apr/include/arch/win32/atime.h */ +#define EPOCH_DELTA INT64_C(11644473600000000) + +#define SIGAR_CMDLINE_MAX 4096<<2 + +/* XXX: support CP_UTF8 ? */ + +#define SIGAR_A2W(lpa, lpw, bytes) \ + (lpw[0] = 0, MultiByteToWideChar(CP_ACP, 0, \ + lpa, -1, lpw, (bytes/sizeof(WCHAR)))) + +#define SIGAR_W2A(lpw, lpa, chars) \ + (lpa[0] = '\0', WideCharToMultiByte(CP_ACP, 0, \ + lpw, -1, (LPSTR)lpa, chars, \ + NULL, NULL)) + +/* iptypes.h from vc7, not available in vc6 */ +/* copy from PSDK if using vc6 */ +#include "iptypes.h" + +/* from wtsapi32.h not in vs6.0 */ +typedef enum { + WTSInitialProgram, + WTSApplicationName, + WTSWorkingDirectory, + WTSOEMId, + WTSSessionId, + WTSUserName, + WTSWinStationName, + WTSDomainName, + WTSConnectState, + WTSClientBuildNumber, + WTSClientName, + WTSClientDirectory, + WTSClientProductId, + WTSClientHardwareId, + WTSClientAddress, + WTSClientDisplay, + WTSClientProtocolType, +} WTS_INFO_CLASS; + +typedef enum _WTS_CONNECTSTATE_CLASS { + WTSActive, + WTSConnected, + WTSConnectQuery, + WTSShadow, + WTSDisconnected, + WTSIdle, + WTSListen, + WTSReset, + WTSDown, + WTSInit +} WTS_CONNECTSTATE_CLASS; + +#define WTS_PROTOCOL_TYPE_CONSOLE 0 +#define WTS_PROTOCOL_TYPE_ICA 1 +#define WTS_PROTOCOL_TYPE_RDP 2 + +typedef struct _WTS_SESSION_INFO { + DWORD SessionId; + LPTSTR pWinStationName; + DWORD State; +} WTS_SESSION_INFO, *PWTS_SESSION_INFO; + +typedef struct _WTS_PROCESS_INFO { + DWORD SessionId; + DWORD ProcessId; + LPSTR pProcessName; + PSID pUserSid; +} WTS_PROCESS_INFO, *PWTS_PROCESS_INFO; + +typedef struct _WTS_CLIENT_ADDRESS { + DWORD AddressFamily; + BYTE Address[20]; +} WTS_CLIENT_ADDRESS, *PWTS_CLIENT_ADDRESS; + +/* the WINSTATION_INFO stuff here is undocumented + * got the howto from google groups: + * http://redirx.com/?31gy + */ +typedef enum _WINSTATION_INFO_CLASS { + WinStationInformation = 8 +} WINSTATION_INFO_CLASS; + +typedef struct _WINSTATION_INFO { + BYTE Reserved1[72]; + ULONG SessionId; + BYTE Reserved2[4]; + FILETIME ConnectTime; + FILETIME DisconnectTime; + FILETIME LastInputTime; + FILETIME LoginTime; + BYTE Reserved3[1096]; + FILETIME CurrentTime; +} WINSTATION_INFO, *PWINSTATION_INFO; + +/* end wtsapi32.h */ + +#ifdef SIGAR_USING_MSC6 + +/* from winbase.h not in vs6.0 */ +typedef struct { + DWORD dwLength; + DWORD dwMemoryLoad; + DWORDLONG ullTotalPhys; + DWORDLONG ullAvailPhys; + DWORDLONG ullTotalPageFile; + DWORDLONG ullAvailPageFile; + DWORDLONG ullTotalVirtual; + DWORDLONG ullAvailVirtual; + DWORDLONG ullAvailExtendedVirtual; +} MEMORYSTATUSEX; + +/* service manager stuff not in vs6.0 */ +typedef struct _SERVICE_STATUS_PROCESS { + DWORD dwServiceType; + DWORD dwCurrentState; + DWORD dwControlsAccepted; + DWORD dwWin32ExitCode; + DWORD dwServiceSpecificExitCode; + DWORD dwCheckPoint; + DWORD dwWaitHint; + DWORD dwProcessId; + DWORD dwServiceFlags; +} SERVICE_STATUS_PROCESS; + +typedef enum { + SC_STATUS_PROCESS_INFO = 0 +} SC_STATUS_TYPE; + +#ifndef ERROR_DATATYPE_MISMATCH +#define ERROR_DATATYPE_MISMATCH 1629L +#endif + +#endif /* _MSC_VER */ + +#include + +/* undocumented structures */ +typedef struct { + DWORD dwState; + DWORD dwLocalAddr; + DWORD dwLocalPort; + DWORD dwRemoteAddr; + DWORD dwRemotePort; + DWORD dwProcessId; +} MIB_TCPEXROW, *PMIB_TCPEXROW; + +typedef struct { + DWORD dwNumEntries; + MIB_TCPEXROW table[ANY_SIZE]; +} MIB_TCPEXTABLE, *PMIB_TCPEXTABLE; + +typedef struct { + DWORD dwLocalAddr; + DWORD dwLocalPort; + DWORD dwProcessId; +} MIB_UDPEXROW, *PMIB_UDPEXROW; + +typedef struct { + DWORD dwNumEntries; + MIB_UDPEXROW table[ANY_SIZE]; +} MIB_UDPEXTABLE, *PMIB_UDPEXTABLE; + +/* end undocumented structures */ + +/* no longer in the standard header files */ +typedef struct { + LARGE_INTEGER IdleTime; + LARGE_INTEGER KernelTime; + LARGE_INTEGER UserTime; + LARGE_INTEGER DpcTime; + LARGE_INTEGER InterruptTime; + ULONG InterruptCount; +} SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION; + +#define SystemProcessorPerformanceInformation 8 + +/* PEB decls from msdn docs w/ slight mods */ +#define ProcessBasicInformation 0 + +typedef struct _UNICODE_STRING { + USHORT Length; + USHORT MaximumLength; + PWSTR Buffer; +} UNICODE_STRING, *PUNICODE_STRING; + +typedef struct _PEB_LDR_DATA { + BYTE Reserved1[8]; + PVOID Reserved2[3]; + LIST_ENTRY InMemoryOrderModuleList; +} PEB_LDR_DATA, *PPEB_LDR_DATA; + +typedef struct RTL_DRIVE_LETTER_CURDIR { + USHORT Flags; + USHORT Length; + ULONG TimeStamp; + UNICODE_STRING DosPath; +} RTL_DRIVE_LETTER_CURDIR, *PRTL_DRIVE_LETTER_CURDIR; + +/* from: http://source.winehq.org/source/include/winternl.h */ +typedef struct _RTL_USER_PROCESS_PARAMETERS { + ULONG AllocationSize; + ULONG Size; + ULONG Flags; + ULONG DebugFlags; + HANDLE hConsole; + ULONG ProcessGroup; + HANDLE hStdInput; + HANDLE hStdOutput; + HANDLE hStdError; + UNICODE_STRING CurrentDirectoryName; + HANDLE CurrentDirectoryHandle; + UNICODE_STRING DllPath; + UNICODE_STRING ImagePathName; + UNICODE_STRING CommandLine; + PWSTR Environment; + ULONG dwX; + ULONG dwY; + ULONG dwXSize; + ULONG dwYSize; + ULONG dwXCountChars; + ULONG dwYCountChars; + ULONG dwFillAttribute; + ULONG dwFlags; + ULONG wShowWindow; + UNICODE_STRING WindowTitle; + UNICODE_STRING Desktop; + UNICODE_STRING ShellInfo; + UNICODE_STRING RuntimeInfo; + RTL_DRIVE_LETTER_CURDIR DLCurrentDirectory[0x20]; +} RTL_USER_PROCESS_PARAMETERS, *PRTL_USER_PROCESS_PARAMETERS; + +/* from msdn docs +typedef struct _RTL_USER_PROCESS_PARAMETERS { + BYTE Reserved1[16]; + PVOID Reserved2[10]; + UNICODE_STRING ImagePathName; + UNICODE_STRING CommandLine; +} RTL_USER_PROCESS_PARAMETERS, *PRTL_USER_PROCESS_PARAMETERS; +*/ + +typedef struct _PEB { + BYTE Reserved1[2]; + BYTE BeingDebugged; + BYTE Reserved2[1]; + PVOID Reserved3[2]; + PPEB_LDR_DATA Ldr; + PRTL_USER_PROCESS_PARAMETERS ProcessParameters; + BYTE Reserved4[104]; + PVOID Reserved5[52]; + /*PPS_POST_PROCESS_INIT_ROUTINE*/ PVOID PostProcessInitRoutine; + BYTE Reserved6[128]; + PVOID Reserved7[1]; + ULONG SessionId; +} PEB, *PPEB; + +typedef struct _PROCESS_BASIC_INFORMATION { + PVOID Reserved1; + PPEB PebBaseAddress; + PVOID Reserved2[2]; + /*ULONG_PTR*/ UINT_PTR UniqueProcessId; + PVOID Reserved3; +} PROCESS_BASIC_INFORMATION; + +typedef struct { + sigar_pid_t pid; + int ppid; + int priority; + time_t mtime; + sigar_uint64_t size; + sigar_uint64_t resident; + char name[SIGAR_PROC_NAME_LEN]; + char state; + sigar_uint64_t handles; + sigar_uint64_t threads; + sigar_uint64_t page_faults; +} sigar_win32_pinfo_t; + +typedef struct { + const char *name; + HINSTANCE handle; +} sigar_dll_handle_t; + +typedef struct { + const char *name; + FARPROC func; +} sigar_dll_func_t; + +typedef struct { + const char *name; + HINSTANCE handle; + sigar_dll_func_t funcs[12]; +} sigar_dll_module_t; + +/* wtsapi.dll */ +typedef BOOL (CALLBACK *wtsapi_enum_sessions)(HANDLE, + DWORD, + DWORD, + PWTS_SESSION_INFO *, + DWORD *); + +typedef void (CALLBACK *wtsapi_free_mem)(PVOID); + +typedef BOOL (CALLBACK *wtsapi_query_session)(HANDLE, + DWORD, + WTS_INFO_CLASS, + LPSTR *, DWORD *); +/* iphlpapi.dll */ + +typedef DWORD (CALLBACK *iphlpapi_get_ipforward_table)(PMIB_IPFORWARDTABLE, + PULONG, + BOOL); + +typedef DWORD (CALLBACK *iphlpapi_get_ipaddr_table)(PMIB_IPADDRTABLE, + PULONG, + BOOL); + +typedef DWORD (CALLBACK *iphlpapi_get_if_table)(PMIB_IFTABLE, + PULONG, + BOOL); + +typedef DWORD (CALLBACK *iphlpapi_get_if_entry)(PMIB_IFROW); + +typedef DWORD (CALLBACK *iphlpapi_get_num_if)(PDWORD); + +typedef DWORD (CALLBACK *iphlpapi_get_tcp_table)(PMIB_TCPTABLE, + PDWORD, + BOOL); + +typedef DWORD (CALLBACK *iphlpapi_get_udp_table)(PMIB_UDPTABLE, + PDWORD, + BOOL); + +typedef DWORD (CALLBACK *iphlpapi_get_tcpx_table)(PMIB_TCPEXTABLE *, + BOOL, + HANDLE, + DWORD, + DWORD); + +typedef DWORD (CALLBACK *iphlpapi_get_udpx_table)(PMIB_UDPEXTABLE *, + BOOL, + HANDLE, + DWORD, + DWORD); + +typedef DWORD (CALLBACK *iphlpapi_get_tcp_stats)(PMIB_TCPSTATS); + +typedef DWORD (CALLBACK *iphlpapi_get_net_params)(PFIXED_INFO, + PULONG); + +typedef DWORD (CALLBACK *iphlpapi_get_adapters_info)(PIP_ADAPTER_INFO, + PULONG); + +typedef ULONG (CALLBACK *iphlpapi_get_adapters_addrs)(ULONG, + ULONG, + PVOID, + PIP_ADAPTER_ADDRESSES, + PULONG); + +/* advapi32.dll */ +typedef BOOL (CALLBACK *advapi_convert_string_sid)(LPCSTR, + PSID *); + +typedef BOOL (CALLBACK *advapi_query_service_status)(SC_HANDLE, + SC_STATUS_TYPE, + LPBYTE, + DWORD, + LPDWORD); + +typedef DWORD (CALLBACK *iphlpapi_get_ipnet_table)(PMIB_IPNETTABLE, + PDWORD, + BOOL); + +/* ntdll.dll */ +typedef DWORD (CALLBACK *ntdll_query_sys_info)(DWORD, + PVOID, + ULONG, + PULONG); + +typedef DWORD (CALLBACK *ntdll_query_proc_info)(HANDLE, + DWORD, + PVOID, + ULONG, + PULONG); + +/* psapi.dll */ +typedef BOOL (CALLBACK *psapi_enum_modules)(HANDLE, + HMODULE *, + DWORD, + LPDWORD); + +typedef DWORD (CALLBACK *psapi_get_module_name)(HANDLE, + HMODULE, + LPTSTR, + DWORD); + +typedef BOOL (CALLBACK *psapi_enum_processes)(DWORD *, + DWORD, + DWORD *); + +/* winsta.dll */ +typedef BOOLEAN (CALLBACK *winsta_query_info)(HANDLE, + ULONG, + WINSTATION_INFO_CLASS, + PVOID, + ULONG, + PULONG); + +/* kernel32.dll */ +typedef BOOL (CALLBACK *kernel_memory_status)(MEMORYSTATUSEX *); + +/* mpr.dll */ +typedef BOOL (CALLBACK *mpr_get_net_connection)(LPCTSTR, + LPTSTR, + LPDWORD); + +typedef struct { + sigar_dll_handle_t handle; + + SIGAR_DLLFUNC(wtsapi, enum_sessions); + SIGAR_DLLFUNC(wtsapi, free_mem); + SIGAR_DLLFUNC(wtsapi, query_session); + + sigar_dll_func_t end; +} sigar_wtsapi_t; + +typedef struct { + sigar_dll_handle_t handle; + + SIGAR_DLLFUNC(iphlpapi, get_ipforward_table); + SIGAR_DLLFUNC(iphlpapi, get_ipaddr_table); + SIGAR_DLLFUNC(iphlpapi, get_if_table); + SIGAR_DLLFUNC(iphlpapi, get_if_entry); + SIGAR_DLLFUNC(iphlpapi, get_num_if); + SIGAR_DLLFUNC(iphlpapi, get_tcp_table); + SIGAR_DLLFUNC(iphlpapi, get_udp_table); + SIGAR_DLLFUNC(iphlpapi, get_tcpx_table); + SIGAR_DLLFUNC(iphlpapi, get_udpx_table); + SIGAR_DLLFUNC(iphlpapi, get_tcp_stats); + SIGAR_DLLFUNC(iphlpapi, get_net_params); + SIGAR_DLLFUNC(iphlpapi, get_adapters_info); + SIGAR_DLLFUNC(iphlpapi, get_adapters_addrs); + SIGAR_DLLFUNC(iphlpapi, get_ipnet_table); + + sigar_dll_func_t end; +} sigar_iphlpapi_t; + +typedef struct { + sigar_dll_handle_t handle; + + SIGAR_DLLFUNC(advapi, convert_string_sid); + SIGAR_DLLFUNC(advapi, query_service_status); + + sigar_dll_func_t end; +} sigar_advapi_t; + +typedef struct { + sigar_dll_handle_t handle; + + SIGAR_DLLFUNC(ntdll, query_sys_info); + SIGAR_DLLFUNC(ntdll, query_proc_info); + + sigar_dll_func_t end; +} sigar_ntdll_t; + +typedef struct { + sigar_dll_handle_t handle; + + SIGAR_DLLFUNC(psapi, enum_modules); + SIGAR_DLLFUNC(psapi, enum_processes); + SIGAR_DLLFUNC(psapi, get_module_name); + + sigar_dll_func_t end; +} sigar_psapi_t; + +typedef struct { + sigar_dll_handle_t handle; + + SIGAR_DLLFUNC(winsta, query_info); + + sigar_dll_func_t end; +} sigar_winsta_t; + +typedef struct { + sigar_dll_handle_t handle; + + SIGAR_DLLFUNC(kernel, memory_status); + + sigar_dll_func_t end; +} sigar_kernel_t; + +typedef struct { + sigar_dll_handle_t handle; + + SIGAR_DLLFUNC(mpr, get_net_connection); + + sigar_dll_func_t end; +} sigar_mpr_t; + +struct sigar_t { + SIGAR_T_BASE; + char *machine; + int using_wide; + long pagesize; + HKEY handle; + char *perfbuf; + DWORD perfbuf_size; + sigar_wtsapi_t wtsapi; + sigar_iphlpapi_t iphlpapi; + sigar_advapi_t advapi; + sigar_ntdll_t ntdll; + sigar_psapi_t psapi; + sigar_winsta_t winsta; + sigar_kernel_t kernel; + sigar_mpr_t mpr; + sigar_win32_pinfo_t pinfo; + sigar_cache_t *netif_adapters; + sigar_cache_t *netif_mib_rows; + sigar_cache_t *netif_addr_rows; + sigar_cache_t *netif_names; /* dwIndex -> net_interface_config.name */ + int netif_name_short; + + WORD ws_version; + int ws_error; + int ht_enabled; + int lcpu; //number of logical cpus + int winnt; +}; + +#ifdef __cplusplus +extern "C" { +#endif + +sigar_uint64_t sigar_FileTimeToTime(FILETIME *ft); + +int sigar_wsa_init(sigar_t *sigar); + +int sigar_proc_exe_peb_get(sigar_t *sigar, HANDLE proc, + sigar_proc_exe_t *procexe); + +int sigar_proc_args_peb_get(sigar_t *sigar, HANDLE proc, + sigar_proc_args_t *procargs); + +int sigar_proc_env_peb_get(sigar_t *sigar, HANDLE proc, + WCHAR *env, DWORD envlen); + +int sigar_proc_args_wmi_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs); + +int sigar_proc_exe_wmi_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_exe_t *procexe); + +int sigar_parse_proc_args(sigar_t *sigar, WCHAR *buf, + sigar_proc_args_t *procargs); + +int sigar_service_pid_get(sigar_t *sigar, char *name, sigar_pid_t *pid); + +typedef struct { + DWORD size; + DWORD count; + ENUM_SERVICE_STATUS *services; + SC_HANDLE handle; +} sigar_services_status_t; + +int sigar_services_status_get(sigar_services_status_t *ss, DWORD state); + +void sigar_services_status_close(sigar_services_status_t *ss); + +typedef struct sigar_services_walker_t sigar_services_walker_t; + +struct sigar_services_walker_t { + sigar_t *sigar; + int flags; + void *data; /* user data */ + int (*add_service)(sigar_services_walker_t *walker, char *name); +}; + +int sigar_services_query(char *ptql, + sigar_ptql_error_t *error, + sigar_services_walker_t *walker); + +char *sigar_service_exe_get(char *path, char *buffer, int basename); + +typedef struct { + WORD product_major; + WORD product_minor; + WORD product_build; + WORD product_revision; + WORD file_major; + WORD file_minor; + WORD file_build; + WORD file_revision; +} sigar_file_version_t; + +int sigar_file_version_get(sigar_file_version_t *version, + char *name, + sigar_proc_env_t *infocb); + +#ifdef __cplusplus +} +#endif + +#define SIGAR_NO_SUCH_PROCESS (SIGAR_OS_START_ERROR+1) + +#endif /* SIGAR_OS_H */ diff --git a/vendor/sigar/src/os/win32/sigar_pdh.h b/vendor/sigar/src/os/win32/sigar_pdh.h new file mode 100644 index 0000000..86a481a --- /dev/null +++ b/vendor/sigar/src/os/win32/sigar_pdh.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2004, 2006 Hyperic, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SIGAR_PDH_H +#define SIGAR_PDH_H + +/* performance data helpers */ + +#define PdhFirstObject(block) \ + ((PERF_OBJECT_TYPE *)((BYTE *) block + block->HeaderLength)) + +#define PdhNextObject(object) \ + ((PERF_OBJECT_TYPE *)((BYTE *) object + object->TotalByteLength)) + +#define PdhFirstCounter(object) \ + ((PERF_COUNTER_DEFINITION *)((BYTE *) object + object->HeaderLength)) + +#define PdhNextCounter(counter) \ + ((PERF_COUNTER_DEFINITION *)((BYTE *) counter + counter->ByteLength)) + +#define PdhGetCounterBlock(inst) \ + ((PERF_COUNTER_BLOCK *)((BYTE *) inst + inst->ByteLength)) + +#define PdhFirstInstance(object) \ + ((PERF_INSTANCE_DEFINITION *)((BYTE *) object + object->DefinitionLength)) + +#define PdhNextInstance(inst) \ + ((PERF_INSTANCE_DEFINITION *)((BYTE *)inst + inst->ByteLength + \ + PdhGetCounterBlock(inst)->ByteLength)) + +#define PdhInstanceName(inst) \ + ((wchar_t *)((BYTE *)inst + inst->NameOffset)) + +#endif /* SIGAR_PDH_H */ diff --git a/vendor/sigar/src/os/win32/win32_sigar.c b/vendor/sigar/src/os/win32/win32_sigar.c new file mode 100755 index 0000000..4288f08 --- /dev/null +++ b/vendor/sigar/src/os/win32/win32_sigar.c @@ -0,0 +1,3992 @@ +/* + * Copyright (c) 2004-2009 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2009-2010 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_pdh.h" +#include "sigar_os.h" +#include "sigar_util.h" +#include "sigar_format.h" +#include +#ifndef MSVC +#include +#endif + +#define USING_WIDE_S(s) (s)->using_wide +#define USING_WIDE() USING_WIDE_S(sigar) + +#define PERFBUF_SIZE 8192 + +#define PERF_TITLE_PROC 230 +#define PERF_TITLE_SYS_KEY "2" +#define PERF_TITLE_MEM_KEY "4" +#define PERF_TITLE_PROC_KEY "230" +#define PERF_TITLE_CPU_KEY "238" +#define PERF_TITLE_DISK_KEY "236" + +#define PERF_TITLE_CPU_USER 142 +#define PERF_TITLE_CPU_IDLE 1746 +#define PERF_TITLE_CPU_SYS 144 +#define PERF_TITLE_CPU_IRQ 698 + +typedef enum { + PERF_IX_CPU_USER, + PERF_IX_CPU_IDLE, + PERF_IX_CPU_SYS, + PERF_IX_CPU_IRQ, + PERF_IX_CPU_MAX +} perf_cpu_offsets_t; + +#define PERF_TITLE_CPUTIME 6 +#define PERF_TITLE_PAGE_FAULTS 28 +#define PERF_TITLE_MEM_VSIZE 174 +#define PERF_TITLE_MEM_SIZE 180 +#define PERF_TITLE_THREAD_CNT 680 +#define PERF_TITLE_HANDLE_CNT 952 +#define PERF_TITLE_PID 784 +#define PERF_TITLE_PPID 1410 +#define PERF_TITLE_PRIORITY 682 +#define PERF_TITLE_START_TIME 684 + +typedef enum { + PERF_IX_CPUTIME, + PERF_IX_PAGE_FAULTS, + PERF_IX_MEM_VSIZE, + PERF_IX_MEM_SIZE, + PERF_IX_THREAD_CNT, + PERF_IX_HANDLE_CNT, + PERF_IX_PID, + PERF_IX_PPID, + PERF_IX_PRIORITY, + PERF_IX_START_TIME, + PERF_IX_MAX +} perf_proc_offsets_t; + +typedef enum { + PERF_IX_DISK_TIME, + PERF_IX_DISK_READ_TIME, + PERF_IX_DISK_WRITE_TIME, + PERF_IX_DISK_READ, + PERF_IX_DISK_WRITE, + PERF_IX_DISK_READ_BYTES, + PERF_IX_DISK_WRITE_BYTES, + PERF_IX_DISK_QUEUE, + PERF_IX_DISK_MAX +} perf_disk_offsets_t; + +#define PERF_TITLE_DISK_TIME 200 /* % Disk Time */ +#define PERF_TITLE_DISK_READ_TIME 202 /* % Disk Read Time */ +#define PERF_TITLE_DISK_WRITE_TIME 204 /* % Disk Write Time */ +#define PERF_TITLE_DISK_READ 214 /* Disk Reads/sec */ +#define PERF_TITLE_DISK_WRITE 216 /* Disk Writes/sec */ +#define PERF_TITLE_DISK_READ_BYTES 220 /* Disk Read Bytes/sec */ +#define PERF_TITLE_DISK_WRITE_BYTES 222 /* Disk Write Bytes/sec */ +#define PERF_TITLE_DISK_QUEUE 198 /* Current Disk Queue Length */ + +/* + * diff is: + * ExW -> ExA + * wcounter -> counter + */ +#define MyRegQueryValue() \ + (USING_WIDE() ? \ + RegQueryValueExW(sigar->handle, \ + wcounter_key, NULL, &type, \ + sigar->perfbuf, \ + &bytes) : \ + RegQueryValueExA(sigar->handle, \ + counter_key, NULL, &type, \ + sigar->perfbuf, \ + &bytes)) + +#define PERF_VAL(ix) \ + perf_offsets[ix] ? \ + *((DWORD *)((BYTE *)counter_block + perf_offsets[ix])) : 0 + +/* 1/100ns units to milliseconds */ +#define NS100_2MSEC(t) ((t) / 10000) + +#define PERF_VAL_CPU(ix) \ + NS100_2MSEC(PERF_VAL(ix)) + +#define MS_LOOPBACK_ADAPTER "Microsoft Loopback Adapter" +#define NETIF_LA "la" + +static int get_proc_info(sigar_t *sigar, sigar_pid_t pid); +static int netif_hash(char *s); + +sigar_uint64_t sigar_FileTimeToTime(FILETIME *ft) +{ + sigar_uint64_t time; + time = ft->dwHighDateTime; + time = time << 32; + time |= ft->dwLowDateTime; + time /= 10; + time -= EPOCH_DELTA; + return time; +} + +static DWORD perfbuf_init(sigar_t *sigar) +{ + if (!sigar->perfbuf) { + sigar->perfbuf = malloc(PERFBUF_SIZE); + sigar->perfbuf_size = PERFBUF_SIZE; + } + + return sigar->perfbuf_size; +} + +static DWORD perfbuf_grow(sigar_t *sigar) +{ + sigar->perfbuf_size += PERFBUF_SIZE; + + sigar->perfbuf = + realloc(sigar->perfbuf, sigar->perfbuf_size); + + return sigar->perfbuf_size; +} + +static char *get_counter_name(char *key) +{ + if (strEQ(key, PERF_TITLE_MEM_KEY)) { + return "Memory"; + } + else if (strEQ(key, PERF_TITLE_PROC_KEY)) { + return "Process"; + } + else if (strEQ(key, PERF_TITLE_CPU_KEY)) { + return "Processor"; + } + else if (strEQ(key, PERF_TITLE_DISK_KEY)) { + return "LogicalDisk"; + } + else { + return key; + } +} + +static PERF_OBJECT_TYPE *get_perf_object_inst(sigar_t *sigar, + char *counter_key, + DWORD inst, DWORD *err) +{ + DWORD retval, type, bytes; + WCHAR wcounter_key[MAX_PATH+1]; + PERF_DATA_BLOCK *block; + PERF_OBJECT_TYPE *object; + + *err = SIGAR_OK; + + if (USING_WIDE()) { + SIGAR_A2W(counter_key, wcounter_key, sizeof(wcounter_key)); + } + + bytes = perfbuf_init(sigar); + + while ((retval = MyRegQueryValue()) != ERROR_SUCCESS) { + if (retval == ERROR_MORE_DATA) { + bytes = perfbuf_grow(sigar); + } + else { + *err = retval; + return NULL; + } + } + + block = (PERF_DATA_BLOCK *)sigar->perfbuf; + if (block->NumObjectTypes == 0) { + counter_key = get_counter_name(counter_key); + sigar_strerror_printf(sigar, "No %s counters defined (disabled?)", + counter_key); + *err = -1; + return NULL; + } + object = PdhFirstObject(block); + + /* + * only seen on windows 2003 server when pdh.dll + * functions are in use by the same process. + * confucius say what the fuck. + */ + if (inst && (object->NumInstances == PERF_NO_INSTANCES)) { + int i; + + for (i=0; iNumObjectTypes; i++) { + if (object->NumInstances != PERF_NO_INSTANCES) { + return object; + } + object = PdhNextObject(object); + } + return NULL; + } + else { + return object; + } +} + +#define get_perf_object(sigar, counter_key, err) \ + get_perf_object_inst(sigar, counter_key, 1, err) + +static int get_mem_counters(sigar_t *sigar, sigar_swap_t *swap, sigar_mem_t *mem) +{ + int status; + PERF_OBJECT_TYPE *object = + get_perf_object_inst(sigar, PERF_TITLE_MEM_KEY, 0, &status); + PERF_INSTANCE_DEFINITION *inst; + PERF_COUNTER_DEFINITION *counter; + BYTE *data; + DWORD i; + + if (!object) { + return status; + } + + data = (BYTE *)((BYTE *)object + object->DefinitionLength); + + for (i=0, counter = PdhFirstCounter(object); + iNumCounters; + i++, counter = PdhNextCounter(counter)) + { + DWORD offset = counter->CounterOffset; + + switch (counter->CounterNameTitleIndex) { + case 48: /* "Pages Output/sec" */ + if (swap) swap->page_out = *((DWORD *)(data + offset)); + break; + case 76: /* "System Cache Resident Bytes" aka file cache */ + if (mem) { + sigar_uint64_t kern = *((DWORD *)(data + offset)); + mem->actual_free = mem->free + kern; + mem->actual_used = mem->used - kern; + return SIGAR_OK; + } + case 822: /* "Pages Input/sec" */ + if (swap) swap->page_in = *((DWORD *)(data + offset)); + break; + default: + continue; + } + } + + return SIGAR_OK; +} + +static void get_sysinfo(sigar_t *sigar) +{ + SYSTEM_INFO sysinfo; + + GetSystemInfo(&sysinfo); + + sigar->ncpu = sysinfo.dwNumberOfProcessors; + sigar->pagesize = sysinfo.dwPageSize; +} + +/* for C# bindings */ +SIGAR_DECLARE(sigar_t *) sigar_new(void) +{ + sigar_t *sigar; + if (sigar_open(&sigar) != SIGAR_OK) { + return NULL; + } + return sigar; +} + +static sigar_wtsapi_t sigar_wtsapi = { + "wtsapi32.dll", + NULL, + { "WTSEnumerateSessionsA", NULL }, + { "WTSFreeMemory", NULL }, + { "WTSQuerySessionInformationA", NULL }, + { NULL, NULL } +}; + +static sigar_iphlpapi_t sigar_iphlpapi = { + "iphlpapi.dll", + NULL, + { "GetIpForwardTable", NULL }, + { "GetIpAddrTable", NULL }, + { "GetIfTable", NULL }, + { "GetIfEntry", NULL }, + { "GetNumberOfInterfaces", NULL }, + { "GetTcpTable", NULL }, + { "GetUdpTable", NULL }, + { "AllocateAndGetTcpExTableFromStack", NULL }, + { "AllocateAndGetUdpExTableFromStack", NULL }, + { "GetTcpStatistics", NULL }, + { "GetNetworkParams", NULL }, + { "GetAdaptersInfo", NULL }, + { "GetAdaptersAddresses", NULL }, + { "GetIpNetTable", NULL }, + { NULL, NULL } +}; + +static sigar_advapi_t sigar_advapi = { + "advapi32.dll", + NULL, + { "ConvertStringSidToSidA", NULL }, + { "QueryServiceStatusEx", NULL }, + { NULL, NULL } +}; + +static sigar_ntdll_t sigar_ntdll = { + "ntdll.dll", + NULL, + { "NtQuerySystemInformation", NULL }, + { "NtQueryInformationProcess", NULL }, + { NULL, NULL } +}; + +static sigar_psapi_t sigar_psapi = { + "psapi.dll", + NULL, + { "EnumProcessModules", NULL }, + { "EnumProcesses", NULL }, + { "GetModuleFileNameExA", NULL }, + { NULL, NULL } +}; + +static sigar_psapi_t sigar_winsta = { + "winsta.dll", + NULL, + { "WinStationQueryInformationW", NULL }, + { NULL, NULL } +}; + +static sigar_psapi_t sigar_kernel = { + "kernel32.dll", + NULL, + { "GlobalMemoryStatusEx", NULL }, + { NULL, NULL } +}; + +static sigar_mpr_t sigar_mpr = { + "mpr.dll", + NULL, + { "WNetGetConnectionA", NULL }, + { NULL, NULL } +}; + +#define DLLMOD_COPY(name) \ + memcpy(&(sigar->name), &sigar_##name, sizeof(sigar_##name)) + +#define DLLMOD_INIT(name, all) \ + sigar_dllmod_init(sigar, (sigar_dll_module_t *)&(sigar->name), all) + +#define DLLMOD_FREE(name) \ + sigar_dllmod_free((sigar_dll_module_t *)&(sigar->name)) + +static void sigar_dllmod_free(sigar_dll_module_t *module) +{ + if (module->handle) { + FreeLibrary(module->handle); + module->handle = NULL; + } +} + +static int sigar_dllmod_init(sigar_t *sigar, + sigar_dll_module_t *module, + int all) +{ + sigar_dll_func_t *funcs = &module->funcs[0]; + int is_debug = SIGAR_LOG_IS_DEBUG(sigar); + int rc, success; + + if (module->handle == INVALID_HANDLE_VALUE) { + return ENOENT; /* XXX better rc */ + } + + if (module->handle) { + return SIGAR_OK; + } + + module->handle = LoadLibrary(module->name); + if (!(success = (module->handle ? TRUE : FALSE))) { + rc = GetLastError(); + /* dont try again */ + module->handle = INVALID_HANDLE_VALUE; + } + + if (is_debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "LoadLibrary(%s): %s", + module->name, + success ? + "OK" : + sigar_strerror(sigar, rc)); + } + + if (!success) { + return rc; + } + + while (funcs->name) { + funcs->func = GetProcAddress(module->handle, funcs->name); + + if (!(success = (funcs->func ? TRUE : FALSE))) { + rc = GetLastError(); + } + + if (is_debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "GetProcAddress(%s:%s): %s", + module->name, funcs->name, + success ? + "OK" : + sigar_strerror(sigar, rc)); + } + + if (all && !success) { + return rc; + } + + funcs++; + } + + return SIGAR_OK; +} + +int sigar_wsa_init(sigar_t *sigar) +{ + if (sigar->ws_version == 0) { + WSADATA data; + + if (WSAStartup(MAKEWORD(2, 0), &data)) { + sigar->ws_error = WSAGetLastError(); + WSACleanup(); + return sigar->ws_error; + } + + sigar->ws_version = data.wVersion; + } + + return SIGAR_OK; +} + +static int sigar_enable_privilege(char *name) +{ + int status; + HANDLE handle; + TOKEN_PRIVILEGES tok; + + SIGAR_ZERO(&tok); + + if (!OpenProcessToken(GetCurrentProcess(), + TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, + &handle)) + { + return GetLastError(); + } + + if (LookupPrivilegeValue(NULL, name, + &tok.Privileges[0].Luid)) + { + tok.PrivilegeCount = 1; + tok.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; + + if (AdjustTokenPrivileges(handle, FALSE, &tok, 0, NULL, 0)) { + status = SIGAR_OK; + } + else { + status = GetLastError(); + } + } + else { + status = GetLastError(); + } + + CloseHandle(handle); + + return status; +} + +static int netif_name_short(void) +{ + char value[32767]; /* max size from msdn docs */ + DWORD retval = + GetEnvironmentVariable("SIGAR_NETIF_NAME_SHORT", value, sizeof(value)); + if ((retval > 0) && (strEQ(value, "1") || (strEQ(value, "true")))) { + return 1; + } + else { + return 0; + } +} + +int sigar_os_open(sigar_t **sigar_ptr) +{ + LONG result; + HINSTANCE h; + OSVERSIONINFO version; + int i; + sigar_t *sigar; + + *sigar_ptr = sigar = malloc(sizeof(*sigar)); + sigar->machine = ""; /* local machine */ + sigar->using_wide = 0; /*XXX*/ + + sigar->perfbuf = NULL; + sigar->perfbuf_size = 0; + + version.dwOSVersionInfoSize = sizeof(version); + GetVersionEx(&version); + + /* + * 4 == NT 4.0 + * 5 == 2000, XP, 2003 Server + */ + sigar->winnt = (version.dwMajorVersion == 4); + + if (USING_WIDE_S(sigar)) { + WCHAR wmachine[MAX_PATH+1]; + + SIGAR_A2W(sigar->machine, wmachine, sizeof(wmachine)); + + result = RegConnectRegistryW(wmachine, + HKEY_PERFORMANCE_DATA, + &sigar->handle); + } + else { + result = RegConnectRegistryA(sigar->machine, + HKEY_PERFORMANCE_DATA, + &sigar->handle); + } + + get_sysinfo(sigar); + + DLLMOD_COPY(wtsapi); + DLLMOD_COPY(iphlpapi); + DLLMOD_COPY(advapi); + DLLMOD_COPY(ntdll); + DLLMOD_COPY(psapi); + DLLMOD_COPY(winsta); + DLLMOD_COPY(kernel); + DLLMOD_COPY(mpr); + + sigar->log_level = -1; /* else below segfaults */ + /* XXX init early for use by javasigar.c */ + sigar_dllmod_init(sigar, + (sigar_dll_module_t *)&sigar->advapi, + FALSE); + + sigar->netif_mib_rows = NULL; + sigar->netif_addr_rows = NULL; + sigar->netif_adapters = NULL; + sigar->netif_names = NULL; + sigar->netif_name_short = netif_name_short(); + + sigar->pinfo.pid = -1; + sigar->ws_version = 0; + sigar->lcpu = -1; + + /* increase process visibility */ + sigar_enable_privilege(SE_DEBUG_NAME); + + return result; +} + +void dllmod_init_ntdll(sigar_t *sigar) +{ + DLLMOD_INIT(ntdll, FALSE); +} + +int sigar_os_close(sigar_t *sigar) +{ + int retval; + + DLLMOD_FREE(wtsapi); + DLLMOD_FREE(iphlpapi); + DLLMOD_FREE(advapi); + DLLMOD_FREE(ntdll); + DLLMOD_FREE(psapi); + DLLMOD_FREE(winsta); + DLLMOD_FREE(kernel); + DLLMOD_FREE(mpr); + + if (sigar->perfbuf) { + free(sigar->perfbuf); + } + + retval = RegCloseKey(sigar->handle); + + if (sigar->ws_version != 0) { + WSACleanup(); + } + + if (sigar->netif_mib_rows) { + sigar_cache_destroy(sigar->netif_mib_rows); + } + + if (sigar->netif_addr_rows) { + sigar_cache_destroy(sigar->netif_addr_rows); + } + + if (sigar->netif_adapters) { + sigar_cache_destroy(sigar->netif_adapters); + } + + if (sigar->netif_names) { + sigar_cache_destroy(sigar->netif_names); + } + + free(sigar); + + return retval; +} + +char *sigar_os_error_string(sigar_t *sigar, int err) +{ + switch (err) { + case SIGAR_NO_SUCH_PROCESS: + return "No such process"; + break; + } + return NULL; +} + +#define sigar_GlobalMemoryStatusEx \ + sigar->kernel.memory_status.func + +SIGAR_DECLARE(int) sigar_mem_get(sigar_t *sigar, sigar_mem_t *mem) +{ + DLLMOD_INIT(kernel, TRUE); + + if (sigar_GlobalMemoryStatusEx) { + MEMORYSTATUSEX memstat; + + memstat.dwLength = sizeof(memstat); + + if (!sigar_GlobalMemoryStatusEx(&memstat)) { + return GetLastError(); + } + + mem->total = memstat.ullTotalPhys; + mem->free = memstat.ullAvailPhys; + } + else { + MEMORYSTATUS memstat; + GlobalMemoryStatus(&memstat); + mem->total = memstat.dwTotalPhys; + mem->free = memstat.dwAvailPhys; + } + + mem->used = mem->total - mem->free; + + mem->actual_free = mem->free; + mem->actual_used = mem->used; + /* set actual_{free,used} */ + get_mem_counters(sigar, NULL, mem); + + sigar_mem_calc_ram(sigar, mem); + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_swap_get(sigar_t *sigar, sigar_swap_t *swap) +{ + int status; + DLLMOD_INIT(kernel, TRUE); + + if (sigar_GlobalMemoryStatusEx) { + MEMORYSTATUSEX memstat; + + memstat.dwLength = sizeof(memstat); + + if (!sigar_GlobalMemoryStatusEx(&memstat)) { + return GetLastError(); + } + + swap->total = memstat.ullTotalPageFile; + swap->free = memstat.ullAvailPageFile; + } + else { + MEMORYSTATUS memstat; + GlobalMemoryStatus(&memstat); + swap->total = memstat.dwTotalPageFile; + swap->free = memstat.dwAvailPageFile; + } + + swap->used = swap->total - swap->free; + + if (get_mem_counters(sigar, swap, NULL) != SIGAR_OK) { + swap->page_in = SIGAR_FIELD_NOTIMPL; + swap->page_out = SIGAR_FIELD_NOTIMPL; + } + + return SIGAR_OK; +} + +static PERF_INSTANCE_DEFINITION *get_cpu_instance(sigar_t *sigar, + DWORD *perf_offsets, + DWORD *num, DWORD *err) +{ + PERF_OBJECT_TYPE *object = get_perf_object(sigar, PERF_TITLE_CPU_KEY, err); + PERF_INSTANCE_DEFINITION *inst; + PERF_COUNTER_DEFINITION *counter; + DWORD i; + + if (!object) { + return NULL; + } + + for (i=0, counter = PdhFirstCounter(object); + iNumCounters; + i++, counter = PdhNextCounter(counter)) + { + DWORD offset = counter->CounterOffset; + + switch (counter->CounterNameTitleIndex) { + case PERF_TITLE_CPU_SYS: + perf_offsets[PERF_IX_CPU_SYS] = offset; + break; + case PERF_TITLE_CPU_USER: + perf_offsets[PERF_IX_CPU_USER] = offset; + break; + case PERF_TITLE_CPU_IDLE: + perf_offsets[PERF_IX_CPU_IDLE] = offset; + break; + case PERF_TITLE_CPU_IRQ: + perf_offsets[PERF_IX_CPU_IRQ] = offset; + break; + } + } + + if (num) { + *num = object->NumInstances; + } + + return PdhFirstInstance(object); +} + +#define SPPI_MAX 128 /* XXX unhardcode; should move off this api anyhow */ + +#define sigar_NtQuerySystemInformation \ + sigar->ntdll.query_sys_info.func + +static int get_idle_cpu(sigar_t *sigar, sigar_cpu_t *cpu, + DWORD idx, + PERF_COUNTER_BLOCK *counter_block, + DWORD *perf_offsets) +{ + cpu->idle = 0; + + if (perf_offsets[PERF_IX_CPU_IDLE]) { + cpu->idle = PERF_VAL_CPU(PERF_IX_CPU_IDLE); + } + else { + /* windows NT and 2000 do not have an Idle counter */ + DLLMOD_INIT(ntdll, FALSE); + if (sigar_NtQuerySystemInformation) { + DWORD retval, num; + SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION info[SPPI_MAX]; + /* into the lungs of hell */ + sigar_NtQuerySystemInformation(SystemProcessorPerformanceInformation, + &info, sizeof(info), &retval); + + if (!retval) { + return GetLastError(); + } + num = retval/sizeof(info[0]); + + if (idx == -1) { + int i; + for (i=0; iidle += NS100_2MSEC(info[i].IdleTime.QuadPart); + } + } + else if (idx < num) { + cpu->idle = NS100_2MSEC(info[idx].IdleTime.QuadPart); + } + else { + return ERROR_INVALID_DATA; + } + } + else { + return ERROR_INVALID_FUNCTION; + } + } + + return SIGAR_OK; +} + +static int sigar_cpu_perflib_get(sigar_t *sigar, sigar_cpu_t *cpu) +{ + int status; + PERF_INSTANCE_DEFINITION *inst; + PERF_COUNTER_BLOCK *counter_block; + DWORD perf_offsets[PERF_IX_CPU_MAX], err; + + SIGAR_ZERO(cpu); + memset(&perf_offsets, 0, sizeof(perf_offsets)); + + inst = get_cpu_instance(sigar, (DWORD*)&perf_offsets, 0, &err); + + if (!inst) { + return err; + } + + /* first instance is total, rest are per-cpu */ + counter_block = PdhGetCounterBlock(inst); + + cpu->sys = PERF_VAL_CPU(PERF_IX_CPU_SYS); + cpu->user = PERF_VAL_CPU(PERF_IX_CPU_USER); + status = get_idle_cpu(sigar, cpu, -1, counter_block, perf_offsets); + cpu->irq = PERF_VAL_CPU(PERF_IX_CPU_IRQ); + cpu->nice = 0; /* no nice here */ + cpu->wait = 0; /*N/A?*/ + cpu->total = cpu->sys + cpu->user + cpu->idle + cpu->wait + cpu->irq; + + if (status != SIGAR_OK) { + sigar_log_printf(sigar, SIGAR_LOG_WARN, + "unable to determine idle cpu time: %s", + sigar_strerror(sigar, status)); + } + + return SIGAR_OK; +} + +static int sigar_cpu_ntsys_get(sigar_t *sigar, sigar_cpu_t *cpu) +{ + DWORD retval, num; + int i; + SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION info[SPPI_MAX]; + /* into the lungs of hell */ + sigar_NtQuerySystemInformation(SystemProcessorPerformanceInformation, + &info, sizeof(info), &retval); + + if (!retval) { + return GetLastError(); + } + num = retval/sizeof(info[0]); + SIGAR_ZERO(cpu); + + for (i=0; iidle += NS100_2MSEC(info[i].IdleTime.QuadPart); + cpu->user += NS100_2MSEC(info[i].UserTime.QuadPart); + cpu->sys += NS100_2MSEC(info[i].KernelTime.QuadPart - + info[i].IdleTime.QuadPart); + cpu->irq += NS100_2MSEC(info[i].InterruptTime.QuadPart); + cpu->total += cpu->idle + cpu->user + cpu->sys; + } + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_cpu_get(sigar_t *sigar, sigar_cpu_t *cpu) +{ + DLLMOD_INIT(ntdll, FALSE); + if (sigar_NtQuerySystemInformation) { + return sigar_cpu_ntsys_get(sigar, cpu); + } + else { + return sigar_cpu_perflib_get(sigar, cpu); + } +} + +static int sigar_cpu_list_perflib_get(sigar_t *sigar, + sigar_cpu_list_t *cpulist) +{ + int status, i, j; + PERF_INSTANCE_DEFINITION *inst; + DWORD perf_offsets[PERF_IX_CPU_MAX], num, err; + int core_rollup = sigar_cpu_core_rollup(sigar); + + memset(&perf_offsets, 0, sizeof(perf_offsets)); + + /* first instance is total, rest are per-cpu */ + inst = get_cpu_instance(sigar, (DWORD*)&perf_offsets, &num, &err); + + if (!inst) { + return err; + } + + if (!sigar->winnt) { + /* skip Processor _Total instance (NT doesnt have one) */ + --num; + inst = PdhNextInstance(inst); + } + + sigar_cpu_list_create(cpulist); + + /* verify there's a counter for each logical cpu */ + if (core_rollup && (sigar->ncpu != num)) { + core_rollup = 0; + } + + for (i=0; ilcpu)) { + /* merge times of logical processors */ + cpu = &cpulist->data[cpulist->number-1]; + } + else { + SIGAR_CPU_LIST_GROW(cpulist); + cpu = &cpulist->data[cpulist->number++]; + SIGAR_ZERO(cpu); + } + + counter_block = PdhGetCounterBlock(inst); + + cpu->sys += PERF_VAL_CPU(PERF_IX_CPU_SYS); + cpu->user += PERF_VAL_CPU(PERF_IX_CPU_USER); + cpu->irq += PERF_VAL_CPU(PERF_IX_CPU_IRQ); + get_idle_cpu(sigar, cpu, i, counter_block, perf_offsets); + cpu->nice = cpu->wait = 0; /*N/A*/ + + /*XXX adding up too much here if xeon, but not using this atm*/ + cpu->total += cpu->sys + cpu->user + cpu->idle + cpu->irq; + + inst = PdhNextInstance(inst); + } + + return SIGAR_OK; +} + +static int sigar_cpu_list_ntsys_get(sigar_t *sigar, + sigar_cpu_list_t *cpulist) +{ + DWORD retval, num; + int status, i, j; + int core_rollup = sigar_cpu_core_rollup(sigar); + + SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION info[SPPI_MAX]; + /* into the lungs of hell */ + sigar_NtQuerySystemInformation(SystemProcessorPerformanceInformation, + &info, sizeof(info), &retval); + + if (!retval) { + return GetLastError(); + } + num = retval/sizeof(info[0]); + + sigar_cpu_list_create(cpulist); + + /* verify there's a counter for each logical cpu */ + if (core_rollup && (sigar->ncpu != num)) { + core_rollup = 0; + } + + for (i=0; ilcpu)) { + /* merge times of logical processors */ + cpu = &cpulist->data[cpulist->number-1]; + } + else { + SIGAR_CPU_LIST_GROW(cpulist); + cpu = &cpulist->data[cpulist->number++]; + SIGAR_ZERO(cpu); + } + + idle = NS100_2MSEC(info[i].IdleTime.QuadPart); + user = NS100_2MSEC(info[i].UserTime.QuadPart); + sys = NS100_2MSEC(info[i].KernelTime.QuadPart - + info[i].IdleTime.QuadPart); + cpu->idle += idle; + cpu->user += user; + cpu->sys += sys; + cpu->nice = cpu->wait = 0; /*N/A*/ + cpu->total += idle + user + sys; + } + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_cpu_list_get(sigar_t *sigar, + sigar_cpu_list_t *cpulist) +{ + DLLMOD_INIT(ntdll, FALSE); + if (sigar_NtQuerySystemInformation) { + return sigar_cpu_list_ntsys_get(sigar, cpulist); + } + else { + return sigar_cpu_list_perflib_get(sigar, cpulist); + } +} + +#define PERF_TITLE_UPTIME_KEY 674 /* System Up Time */ + +SIGAR_DECLARE(int) sigar_uptime_get(sigar_t *sigar, + sigar_uptime_t *uptime) +{ + int status; + PERF_OBJECT_TYPE *object = + get_perf_object_inst(sigar, PERF_TITLE_SYS_KEY, 0, &status); + PERF_INSTANCE_DEFINITION *inst; + PERF_COUNTER_DEFINITION *counter; + BYTE *data; + DWORD i; + + if (!object) { + return status; + } + + data = (BYTE *)((BYTE *)object + object->DefinitionLength); + + for (i=0, counter = PdhFirstCounter(object); + iNumCounters; + i++, counter = PdhNextCounter(counter)) + { + if (counter->CounterNameTitleIndex == PERF_TITLE_UPTIME_KEY) { + DWORD offset = counter->CounterOffset; + LONGLONG time = object->PerfTime.QuadPart; + LONGLONG freq = object->PerfFreq.QuadPart; + LONGLONG counter = *((LONGLONG *)(data + offset)); + uptime->uptime = (time - counter) / freq; + return SIGAR_OK; + } + } + + /* http://msdn.microsoft.com/en-us/library/ms724408.aspx */ + return GetTickCount() / 1000; +} + +/* + * there is no api for this info. + * closest i've seen is enumerating the entire process table + * and calculating an average based on process times. + */ +SIGAR_DECLARE(int) sigar_loadavg_get(sigar_t *sigar, + sigar_loadavg_t *loadavg) +{ + return SIGAR_ENOTIMPL; +} + +#define get_process_object(sigar, err) \ + get_perf_object(sigar, PERF_TITLE_PROC_KEY, err) + +static int sigar_proc_list_get_perf(sigar_t *sigar, + sigar_proc_list_t *proclist) +{ + + PERF_OBJECT_TYPE *object; + PERF_INSTANCE_DEFINITION *inst; + PERF_COUNTER_DEFINITION *counter; + DWORD i, err; + DWORD perf_offsets[PERF_IX_MAX]; + + perf_offsets[PERF_IX_PID] = 0; + + object = get_process_object(sigar, &err); + + if (!object) { + return err; + } + + /* + * note we assume here: + * block->NumObjectTypes == 1 + * object->ObjectNameTitleIndex == PERF_TITLE_PROC + * + * which should always be the case. + */ + + for (i=0, counter = PdhFirstCounter(object); + iNumCounters; + i++, counter = PdhNextCounter(counter)) + { + DWORD offset = counter->CounterOffset; + + switch (counter->CounterNameTitleIndex) { + case PERF_TITLE_PID: + perf_offsets[PERF_IX_PID] = offset; + break; + } + } + + for (i=0, inst = PdhFirstInstance(object); + iNumInstances; + i++, inst = PdhNextInstance(inst)) + { + PERF_COUNTER_BLOCK *counter_block = PdhGetCounterBlock(inst); + DWORD pid = PERF_VAL(PERF_IX_PID); + + if (pid == 0) { + continue; /* dont include the system Idle process */ + } + + SIGAR_PROC_LIST_GROW(proclist); + + proclist->data[proclist->number++] = pid; + } + + return SIGAR_OK; +} + +#define sigar_EnumProcesses \ + sigar->psapi.enum_processes.func + +int sigar_os_proc_list_get(sigar_t *sigar, + sigar_proc_list_t *proclist) +{ + DLLMOD_INIT(psapi, FALSE); + + if (sigar_EnumProcesses) { + DWORD retval, *pids; + DWORD size = 0, i; + + do { + /* re-use the perfbuf */ + if (size == 0) { + size = perfbuf_init(sigar); + } + else { + size = perfbuf_grow(sigar); + } + + if (!sigar_EnumProcesses((DWORD *)sigar->perfbuf, + sigar->perfbuf_size, + &retval)) + { + return GetLastError(); + } + } while (retval == sigar->perfbuf_size); //unlikely + + pids = (DWORD *)sigar->perfbuf; + + size = retval / sizeof(DWORD); + + for (i=0; idata[proclist->number++] = pid; + } + + return SIGAR_OK; + } + else { + return sigar_proc_list_get_perf(sigar, proclist); + } +} + +#define PROCESS_DAC (PROCESS_QUERY_INFORMATION|PROCESS_VM_READ) + +static HANDLE open_process(sigar_pid_t pid) +{ + return OpenProcess(PROCESS_DAC, 0, (DWORD)pid); +} + +/* + * Pretty good explanation of counters: + * http://www.semack.net/wiki/default.asp?db=SemackNetWiki&o=VirtualMemory + */ +SIGAR_DECLARE(int) sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_mem_t *procmem) +{ + int status = get_proc_info(sigar, pid); + sigar_win32_pinfo_t *pinfo = &sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + + procmem->size = pinfo->size; /* "Virtual Bytes" */ + procmem->resident = pinfo->resident; /* "Working Set" */ + procmem->share = SIGAR_FIELD_NOTIMPL; + procmem->page_faults = pinfo->page_faults; + procmem->minor_faults = SIGAR_FIELD_NOTIMPL; + procmem->major_faults = SIGAR_FIELD_NOTIMPL; + + return SIGAR_OK; +} + +#define TOKEN_DAC (STANDARD_RIGHTS_READ | READ_CONTROL | TOKEN_QUERY) + +SIGAR_DECLARE(int) +sigar_proc_cred_name_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_cred_name_t *proccredname) +{ + HANDLE proc, token; + DWORD len; + int success; + TOKEN_USER *user = NULL; + TOKEN_PRIMARY_GROUP *group = NULL; + SID_NAME_USE type; + char domain[SIGAR_CRED_NAME_MAX]; + + /* XXX cache lookup */ + + if (!(proc = open_process(pid))) { + return GetLastError(); + } + + if (!OpenProcessToken(proc, TOKEN_DAC, &token)) { + CloseHandle(proc); + return GetLastError(); + } + + CloseHandle(proc); + + success = + !GetTokenInformation(token, TokenUser, NULL, 0, &len) && + (GetLastError() == ERROR_INSUFFICIENT_BUFFER) && + (user = malloc(len)) && + GetTokenInformation(token, TokenUser, user, len, &len); + + if (success) { + DWORD domain_len = sizeof(domain); + DWORD user_len = sizeof(proccredname->user); + + success = LookupAccountSid(NULL, user->User.Sid, + proccredname->user, &user_len, + domain, &domain_len, &type); + } + + if (user != NULL) { + free(user); + } + if (!success) { + CloseHandle(token); + return GetLastError(); + } + + success = + !GetTokenInformation(token, TokenPrimaryGroup, NULL, 0, &len) && + (GetLastError() == ERROR_INSUFFICIENT_BUFFER) && + (group = malloc(len)) && + GetTokenInformation(token, TokenPrimaryGroup, group, len, &len); + + if (success) { + DWORD domain_len = sizeof(domain); + DWORD group_len = sizeof(proccredname->group); + + success = LookupAccountSid(NULL, group->PrimaryGroup, + proccredname->group, &group_len, + domain, &domain_len, &type); + } + + if (group != NULL) { + free(group); + } + + CloseHandle(token); + + if (!success) { + return GetLastError(); + } + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_proc_cred_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_cred_t *proccred) +{ + return SIGAR_ENOTIMPL; +} + +#define FILETIME2MSEC(ft) \ + NS100_2MSEC(((ft.dwHighDateTime << 32) | ft.dwLowDateTime)) + +sigar_int64_t sigar_time_now_millis(void) +{ + SYSTEMTIME st; + FILETIME time; + + GetSystemTime(&st); + SystemTimeToFileTime(&st, &time); + + return sigar_FileTimeToTime(&time) / 1000; +} + +SIGAR_DECLARE(int) sigar_proc_time_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_time_t *proctime) +{ + HANDLE proc = open_process(pid); + FILETIME start_time, exit_time, system_time, user_time; + int status = ERROR_SUCCESS; + + if (!proc) { + return GetLastError(); + } + + if (!GetProcessTimes(proc, + &start_time, &exit_time, + &system_time, &user_time)) + { + status = GetLastError(); + } + + CloseHandle(proc); + + if (status != ERROR_SUCCESS) { + return status; + } + + if (start_time.dwHighDateTime) { + proctime->start_time = + sigar_FileTimeToTime(&start_time) / 1000; + } + else { + proctime->start_time = 0; + } + + proctime->user = FILETIME2MSEC(user_time); + proctime->sys = FILETIME2MSEC(system_time); + proctime->total = proctime->user + proctime->sys; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_proc_state_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_state_t *procstate) +{ + int status = get_proc_info(sigar, pid); + sigar_win32_pinfo_t *pinfo = &sigar->pinfo; + + if (status != SIGAR_OK) { + return status; + } + + memcpy(procstate->name, pinfo->name, sizeof(procstate->name)); + procstate->state = pinfo->state; + procstate->ppid = pinfo->ppid; + procstate->priority = pinfo->priority; + procstate->nice = SIGAR_FIELD_NOTIMPL; + procstate->tty = SIGAR_FIELD_NOTIMPL; + procstate->threads = pinfo->threads; + procstate->processor = SIGAR_FIELD_NOTIMPL; + + return SIGAR_OK; +} + +static int get_proc_info(sigar_t *sigar, sigar_pid_t pid) +{ + PERF_OBJECT_TYPE *object; + PERF_INSTANCE_DEFINITION *inst; + PERF_COUNTER_DEFINITION *counter; + DWORD i, err; + DWORD perf_offsets[PERF_IX_MAX]; + sigar_win32_pinfo_t *pinfo = &sigar->pinfo; + time_t timenow = time(NULL); + + if (pinfo->pid == pid) { + if ((timenow - pinfo->mtime) < SIGAR_LAST_PROC_EXPIRE) { + return SIGAR_OK; + } + } + + memset(&perf_offsets, 0, sizeof(perf_offsets)); + + object = get_process_object(sigar, &err); + + if (object == NULL) { + return err; + } + + pinfo->pid = pid; + pinfo->mtime = timenow; + + /* + * note we assume here: + * block->NumObjectTypes == 1 + * object->ObjectNameTitleIndex == PERF_TITLE_PROC + * + * which should always be the case. + */ + + for (i=0, counter = PdhFirstCounter(object); + iNumCounters; + i++, counter = PdhNextCounter(counter)) + { + DWORD offset = counter->CounterOffset; + + switch (counter->CounterNameTitleIndex) { + case PERF_TITLE_CPUTIME: + perf_offsets[PERF_IX_CPUTIME] = offset; + break; + case PERF_TITLE_PAGE_FAULTS: + perf_offsets[PERF_IX_PAGE_FAULTS] = offset; + break; + case PERF_TITLE_MEM_VSIZE: + perf_offsets[PERF_IX_MEM_VSIZE] = offset; + break; + case PERF_TITLE_MEM_SIZE: + perf_offsets[PERF_IX_MEM_SIZE] = offset; + break; + case PERF_TITLE_THREAD_CNT: + perf_offsets[PERF_IX_THREAD_CNT] = offset; + break; + case PERF_TITLE_HANDLE_CNT: + perf_offsets[PERF_IX_HANDLE_CNT] = offset; + break; + case PERF_TITLE_PID: + perf_offsets[PERF_IX_PID] = offset; + break; + case PERF_TITLE_PPID: + perf_offsets[PERF_IX_PPID] = offset; + break; + case PERF_TITLE_PRIORITY: + perf_offsets[PERF_IX_PRIORITY] = offset; + break; + case PERF_TITLE_START_TIME: + perf_offsets[PERF_IX_START_TIME] = offset; + break; + } + } + + for (i=0, inst = PdhFirstInstance(object); + iNumInstances; + i++, inst = PdhNextInstance(inst)) + { + PERF_COUNTER_BLOCK *counter_block = PdhGetCounterBlock(inst); + sigar_pid_t this_pid = PERF_VAL(PERF_IX_PID); + + if (this_pid != pid) { + continue; + } + + pinfo->state = 'R'; /* XXX? */ + SIGAR_W2A(PdhInstanceName(inst), + pinfo->name, sizeof(pinfo->name)); + + pinfo->size = PERF_VAL(PERF_IX_MEM_VSIZE); + pinfo->resident = PERF_VAL(PERF_IX_MEM_SIZE); + pinfo->ppid = PERF_VAL(PERF_IX_PPID); + pinfo->priority = PERF_VAL(PERF_IX_PRIORITY); + pinfo->handles = PERF_VAL(PERF_IX_HANDLE_CNT); + pinfo->threads = PERF_VAL(PERF_IX_THREAD_CNT); + pinfo->page_faults = PERF_VAL(PERF_IX_PAGE_FAULTS); + + return SIGAR_OK; + } + + return SIGAR_NO_SUCH_PROCESS; +} + +static int sigar_remote_proc_args_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs) +{ + int status; + char cmdline[SIGAR_CMDLINE_MAX], *ptr = cmdline, *arg; + HANDLE proc = open_process(pid); + + if (proc) { + status = sigar_proc_args_peb_get(sigar, proc, procargs); + + CloseHandle(proc); + + if (status == SIGAR_OK) { + return status; + } + } + + /* likely we are 32-bit, pid process is 64-bit */ +#ifdef MSVC + status = sigar_proc_args_wmi_get(sigar, pid, procargs); +#endif + if (status == ERROR_NOT_FOUND) { + status = SIGAR_NO_SUCH_PROCESS; + } + return status; +} + +int sigar_os_proc_args_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs) +{ + if (pid == sigar->pid) { + return sigar_parse_proc_args(sigar, NULL, procargs); + } + else { + return sigar_remote_proc_args_get(sigar, pid, procargs); + } +} + +static int sigar_proc_env_parse(UCHAR *ptr, sigar_proc_env_t *procenv, + int multi) +{ + while (*ptr) { + char *val; + int klen, vlen, status; + char key[128]; /* XXX is there a max key size? */ + + if (*ptr == '=') { + ptr += strlen(ptr)+1; + continue; + } + + val = strchr(ptr, '='); + + if (val == NULL) { + break; /*XXX*/ + } + + klen = val - (char*)ptr; + SIGAR_SSTRCPY(key, ptr); + key[klen] = '\0'; + ++val; + + vlen = strlen(val); + + status = procenv->env_getter(procenv->data, + key, klen, val, vlen); + + if (status != SIGAR_OK) { + /* not an error; just stop iterating */ + return status; + } + + if (!multi) { + break; /* caller only provided 1 key=val pair */ + } + + ptr += klen + 1 + vlen + 1; + } + + return SIGAR_OK; +} + +static int sigar_local_proc_env_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_env_t *procenv) +{ + UCHAR *env = (UCHAR*)GetEnvironmentStrings(); + + sigar_proc_env_parse(env, procenv, TRUE); + + FreeEnvironmentStrings(env); + + return SIGAR_OK; +} + +static int sigar_remote_proc_env_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_env_t *procenv) +{ + int status; + HANDLE proc = open_process(pid); + WCHAR env[4096]; + + if (!proc) { + return GetLastError(); + } + + status = sigar_proc_env_peb_get(sigar, proc, env, sizeof(env)); + + CloseHandle(proc); + + if (status == SIGAR_OK) { + LPBYTE ptr = (LPBYTE)env; + DWORD size = sizeof(env); + UCHAR ent[4096]; + + while ((size > 0) && (*ptr != L'\0')) { + DWORD len = (wcslen((LPWSTR)ptr) + 1) * sizeof(WCHAR); + /* multi=FALSE so no need to: memset(ent, '\0', sizeof(ent)) */ + SIGAR_W2A((WCHAR *)ptr, ent, sizeof(ent)); + if (sigar_proc_env_parse(ent, procenv, FALSE) != SIGAR_OK) { + break; + } + size -= len; + ptr += len; + } + } + + return status; +} + +SIGAR_DECLARE(int) sigar_proc_env_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_env_t *procenv) +{ + if (pid == sigar->pid) { + if (procenv->type == SIGAR_PROC_ENV_KEY) { + char value[32767]; /* max size from msdn docs */ + DWORD retval = + GetEnvironmentVariable(procenv->key, value, sizeof(value)); + + if (retval == 0) { + if (GetLastError() == ERROR_ENVVAR_NOT_FOUND) { + return SIGAR_OK; + } + return GetLastError(); + } + else if (retval > sizeof(value)) { + /* XXX shouldnt happen */ + return GetLastError(); + } + + procenv->env_getter(procenv->data, + procenv->key, procenv->klen, + value, retval); + return SIGAR_OK; + } + else { + return sigar_local_proc_env_get(sigar, pid, procenv); + } + } + else { + return sigar_remote_proc_env_get(sigar, pid, procenv); + } +} + +SIGAR_DECLARE(int) sigar_proc_fd_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_fd_t *procfd) +{ + int status; + sigar_win32_pinfo_t *pinfo = &sigar->pinfo; + + pinfo->pid = -1; /* force update */ + if ((status = get_proc_info(sigar, pid)) != SIGAR_OK) { + return status; + } + + procfd->total = pinfo->handles; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_proc_exe_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_exe_t *procexe) +{ + int status = SIGAR_OK; + HANDLE proc = open_process(pid); + + if (!proc) { + return GetLastError(); + } + + status = sigar_proc_exe_peb_get(sigar, proc, procexe); +#ifdef MSVC + if (procexe->name[0] == '\0') { + /* likely we are 32-bit, pid process is 64-bit */ + /* procexe->cwd[0] = XXX where else can we try? */ + status = sigar_proc_exe_wmi_get(sigar, pid, procexe); + if (status == ERROR_NOT_FOUND) { + status = SIGAR_NO_SUCH_PROCESS; + } + } +#endif + if (procexe->cwd[0] != '\0') { + /* strip trailing '\' */ + int len = strlen(procexe->cwd); + if (procexe->cwd[len-1] == '\\') { + procexe->cwd[len-1] = '\0'; + } + /* uppercase driver letter */ + procexe->cwd[0] = toupper(procexe->cwd[0]); + /* e.g. C:\ */ + strncpy(procexe->root, procexe->cwd, 3); + procexe->root[3] = '\0'; + } + else { + procexe->root[0] = '\0'; + } + + if (procexe->name[0] != '\0') { + /* uppercase driver letter */ + procexe->name[0] = toupper(procexe->name[0]); + } + + CloseHandle(proc); + + return status; +} + +#define sigar_EnumProcessModules \ + sigar->psapi.enum_modules.func + +#define sigar_GetModuleFileNameEx \ + sigar->psapi.get_module_name.func + +SIGAR_DECLARE(int) sigar_proc_modules_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_modules_t *procmods) +{ + HANDLE proc; + HMODULE modules[1024]; + DWORD size = 0; + unsigned int i; + + if (DLLMOD_INIT(psapi, TRUE) != SIGAR_OK) { + return SIGAR_ENOTIMPL; + } + + if (!(proc = open_process(pid))) { + return GetLastError(); + } + + if (!sigar_EnumProcessModules(proc, modules, sizeof(modules), &size)) { + CloseHandle(proc); + return GetLastError(); + } + + for (i=0; i<(size/sizeof(HMODULE)); i++) { + int status; + char name[MAX_PATH]; + + if (!sigar_GetModuleFileNameEx(proc, modules[i], + name, sizeof(name))) + { + continue; + } + + status = procmods->module_getter(procmods->data, + name, strlen(name)); + + if (status != SIGAR_OK) { + /* not an error; just stop iterating */ + break; + } + } + + CloseHandle(proc); + + return SIGAR_OK; +} + +#define FT2INT64(ft) \ + ((__int64)((__int64)(ft).dwHighDateTime << 32 | \ + (__int64)(ft).dwLowDateTime)) + +SIGAR_DECLARE(int) sigar_thread_cpu_get(sigar_t *sigar, + sigar_uint64_t id, + sigar_thread_cpu_t *cpu) +{ + FILETIME start, exit, sys, user; + DWORD retval; + + if (id != 0) { + return SIGAR_ENOTIMPL; + } + + retval = GetThreadTimes(GetCurrentThread(), + &start, &exit, &sys, &user); + + if (retval == 0) { + return GetLastError(); + } + + cpu->user = FT2INT64(user) * 100; + cpu->sys = FT2INT64(sys) * 100; + cpu->total = (FT2INT64(user) + FT2INT64(sys)) * 100; + + return SIGAR_OK; +} + +int sigar_os_fs_type_get(sigar_file_system_t *fsp) +{ + return fsp->type; +} + +#ifndef FILE_READ_ONLY_VOLUME +#define FILE_READ_ONLY_VOLUME 0x00080000 +#endif +#ifndef FILE_NAMED_STREAMS +#define FILE_NAMED_STREAMS 0x00040000 +#endif +#ifndef FILE_SEQUENTIAL_WRITE_ONCE +#define FILE_SEQUENTIAL_WRITE_ONCE 0x00100000 +#endif +#ifndef FILE_SUPPORTS_TRANSACTIONS +#define FILE_SUPPORTS_TRANSACTIONS 0x00200000 +#endif + +static void get_fs_options(char *opts, int osize, long flags) +{ + *opts = '\0'; + if (flags & FILE_READ_ONLY_VOLUME) strncat(opts, "ro", osize); + else strncat(opts, "rw", osize); +#if 0 /*XXX*/ + if (flags & FILE_CASE_PRESERVED_NAMES) strncat(opts, ",casepn", osize); + if (flags & FILE_CASE_SENSITIVE_SEARCH) strncat(opts, ",casess", osize); + if (flags & FILE_FILE_COMPRESSION) strncat(opts, ",fcomp", osize); + if (flags & FILE_NAMED_STREAMS) strncat(opts, ",streams", osize); + if (flags & FILE_PERSISTENT_ACLS) strncat(opts, ",acls", osize); + if (flags & FILE_SEQUENTIAL_WRITE_ONCE) strncat(opts, ",wronce", osize); + if (flags & FILE_SUPPORTS_ENCRYPTION) strncat(opts, ",efs", osize); + if (flags & FILE_SUPPORTS_OBJECT_IDS) strncat(opts, ",oids", osize); + if (flags & FILE_SUPPORTS_REPARSE_POINTS) strncat(opts, ",reparse", osize); + if (flags & FILE_SUPPORTS_SPARSE_FILES) strncat(opts, ",sparse", osize); + if (flags & FILE_SUPPORTS_TRANSACTIONS) strncat(opts, ",trans", osize); + if (flags & FILE_UNICODE_ON_DISK) strncat(opts, ",unicode", osize); + if (flags & FILE_VOLUME_IS_COMPRESSED) strncat(opts, ",vcomp", osize); + if (flags & FILE_VOLUME_QUOTAS) strncat(opts, ",quota", osize); +#endif +} + +#define sigar_WNetGetConnection \ + sigar->mpr.get_net_connection.func + +SIGAR_DECLARE(int) sigar_file_system_list_get(sigar_t *sigar, + sigar_file_system_list_t *fslist) +{ + char name[256]; + char *ptr = name; + /* XXX: hmm, Find{First,Next}Volume not available in my sdk */ + DWORD len = GetLogicalDriveStringsA(sizeof(name), name); + + DLLMOD_INIT(mpr, TRUE); + + if (len == 0) { + return GetLastError(); + } + + sigar_file_system_list_create(fslist); + + while (*ptr) { + sigar_file_system_t *fsp; + DWORD flags, serialnum=0; + char fsname[1024]; + UINT drive_type = GetDriveType(ptr); + int type; + + switch (drive_type) { + case DRIVE_FIXED: + type = SIGAR_FSTYPE_LOCAL_DISK; + break; + case DRIVE_REMOTE: + type = SIGAR_FSTYPE_NETWORK; + break; + case DRIVE_CDROM: + type = SIGAR_FSTYPE_CDROM; + break; + case DRIVE_RAMDISK: + type = SIGAR_FSTYPE_RAM_DISK; + break; + case DRIVE_REMOVABLE: + /* skip floppy, usb, etc. drives */ + ptr += strlen(ptr)+1; + continue; + default: + type = SIGAR_FSTYPE_NONE; + break; + } + + fsname[0] = '\0'; + + GetVolumeInformation(ptr, NULL, 0, &serialnum, NULL, + &flags, fsname, sizeof(fsname)); + + if (!serialnum && (drive_type == DRIVE_FIXED)) { + ptr += strlen(ptr)+1; + continue; /* ignore unformatted partitions */ + } + + SIGAR_FILE_SYSTEM_LIST_GROW(fslist); + + fsp = &fslist->data[fslist->number++]; + + fsp->type = type; + SIGAR_SSTRCPY(fsp->dir_name, ptr); + SIGAR_SSTRCPY(fsp->dev_name, ptr); + + if ((drive_type == DRIVE_REMOTE) && sigar_WNetGetConnection) { + DWORD len = sizeof(fsp->dev_name); + char drive[3] = {'\0', ':', '\0'}; /* e.g. "X:" w/o trailing "\" */ + drive[0] = fsp->dir_name[0]; + sigar_WNetGetConnection(drive, fsp->dev_name, &len); + /* ignoring failure, leaving dev_name as dir_name */ + } + + /* we set fsp->type, just looking up sigar.c:fstype_names[type] */ + sigar_fs_type_get(fsp); + + if (*fsname == '\0') { + SIGAR_SSTRCPY(fsp->sys_type_name, fsp->type_name); + } + else { + SIGAR_SSTRCPY(fsp->sys_type_name, fsname); /* CDFS, NTFS, etc */ + } + + get_fs_options(fsp->options, sizeof(fsp->options)-1, flags); + + ptr += strlen(ptr)+1; + } + + return SIGAR_OK; +} + +static PERF_INSTANCE_DEFINITION *get_disk_instance(sigar_t *sigar, + DWORD *perf_offsets, + DWORD *num, DWORD *err) +{ + PERF_OBJECT_TYPE *object = + get_perf_object(sigar, PERF_TITLE_DISK_KEY, err); + PERF_INSTANCE_DEFINITION *inst; + PERF_COUNTER_DEFINITION *counter; + DWORD i, found=0; + + if (!object) { + return NULL; + } + + for (i=0, counter = PdhFirstCounter(object); + iNumCounters; + i++, counter = PdhNextCounter(counter)) + { + DWORD offset = counter->CounterOffset; + + switch (counter->CounterNameTitleIndex) { + case PERF_TITLE_DISK_TIME: + perf_offsets[PERF_IX_DISK_TIME] = offset; + found = 1; + break; + case PERF_TITLE_DISK_READ_TIME: + perf_offsets[PERF_IX_DISK_READ_TIME] = offset; + found = 1; + break; + case PERF_TITLE_DISK_WRITE_TIME: + perf_offsets[PERF_IX_DISK_WRITE_TIME] = offset; + found = 1; + break; + case PERF_TITLE_DISK_READ: + perf_offsets[PERF_IX_DISK_READ] = offset; + found = 1; + break; + case PERF_TITLE_DISK_WRITE: + perf_offsets[PERF_IX_DISK_WRITE] = offset; + found = 1; + break; + case PERF_TITLE_DISK_READ_BYTES: + perf_offsets[PERF_IX_DISK_READ_BYTES] = offset; + found = 1; + break; + case PERF_TITLE_DISK_WRITE_BYTES: + perf_offsets[PERF_IX_DISK_WRITE_BYTES] = offset; + found = 1; + break; + case PERF_TITLE_DISK_QUEUE: + perf_offsets[PERF_IX_DISK_QUEUE] = offset; + found = 1; + break; + } + } + + if (!found) { + *err = ENOENT; + return NULL; + } + + if (num) { + *num = object->NumInstances; + } + + return PdhFirstInstance(object); +} + +SIGAR_DECLARE(int) sigar_disk_usage_get(sigar_t *sigar, + const char *dirname, + sigar_disk_usage_t *disk) +{ + DWORD i, err; + PERF_OBJECT_TYPE *object = + get_perf_object(sigar, PERF_TITLE_DISK_KEY, &err); + PERF_INSTANCE_DEFINITION *inst; + PERF_COUNTER_DEFINITION *counter; + DWORD perf_offsets[PERF_IX_DISK_MAX]; + + SIGAR_DISK_STATS_INIT(disk); + + if (!object) { + return err; + } + + memset(&perf_offsets, 0, sizeof(perf_offsets)); + inst = get_disk_instance(sigar, (DWORD*)&perf_offsets, 0, &err); + + if (!inst) { + return err; + } + + for (i=0, inst = PdhFirstInstance(object); + iNumInstances; + i++, inst = PdhNextInstance(inst)) + { + char drive[MAX_PATH]; + PERF_COUNTER_BLOCK *counter_block = PdhGetCounterBlock(inst); + wchar_t *name = (wchar_t *)((BYTE *)inst + inst->NameOffset); + + SIGAR_W2A(name, drive, sizeof(drive)); + + if (sigar_isdigit(*name)) { + char *ptr = strchr(drive, ' '); /* 2000 Server "0 C:" */ + + if (ptr) { + ++ptr; + SIGAR_SSTRCPY(drive, ptr); + } + else { + /* XXX NT is a number only "0", how to map? */ + } + } + + if (strnEQ(drive, dirname, 2)) { + disk->time = PERF_VAL(PERF_IX_DISK_TIME); + disk->rtime = PERF_VAL(PERF_IX_DISK_READ_TIME); + disk->wtime = PERF_VAL(PERF_IX_DISK_WRITE_TIME); + disk->reads = PERF_VAL(PERF_IX_DISK_READ); + disk->writes = PERF_VAL(PERF_IX_DISK_WRITE); + disk->read_bytes = PERF_VAL(PERF_IX_DISK_READ_BYTES); + disk->write_bytes = PERF_VAL(PERF_IX_DISK_WRITE_BYTES); + disk->queue = PERF_VAL(PERF_IX_DISK_QUEUE); + return SIGAR_OK; + } + } + + return ENXIO; +} + +SIGAR_DECLARE(int) +sigar_file_system_usage_get(sigar_t *sigar, + const char *dirname, + sigar_file_system_usage_t *fsusage) +{ + BOOL retval; + ULARGE_INTEGER avail, total, free; + int status; + + /* prevent dialog box if A:\ drive is empty */ + UINT errmode = SetErrorMode(SEM_FAILCRITICALERRORS); + + retval = GetDiskFreeSpaceEx(dirname, + &avail, &total, &free); + + /* restore previous error mode */ + SetErrorMode(errmode); + + if (!retval) { + return GetLastError(); + } + + fsusage->total = total.QuadPart / 1024; + fsusage->free = free.QuadPart / 1024; + fsusage->avail = avail.QuadPart / 1024; + fsusage->used = fsusage->total - fsusage->free; + fsusage->use_percent = sigar_file_system_usage_calc_used(sigar, fsusage); + + /* N/A */ + fsusage->files = SIGAR_FIELD_NOTIMPL; + fsusage->free_files = SIGAR_FIELD_NOTIMPL; + + status = sigar_disk_usage_get(sigar, dirname, &fsusage->disk); + + return SIGAR_OK; +} + +static int sigar_cpu_info_get(sigar_t *sigar, sigar_cpu_info_t *info) +{ + HKEY key, cpu; + int i = 0; + char id[MAX_PATH + 1]; + DWORD size = 0, rc; + + RegOpenKey(HKEY_LOCAL_MACHINE, + "HARDWARE\\DESCRIPTION\\System\\CentralProcessor", &key); + + //just lookup the first id, then assume all cpus are the same. + rc = RegEnumKey(key, 0, id, sizeof(id)); + if (rc != ERROR_SUCCESS) { + RegCloseKey(key); + return rc; + } + + rc = RegOpenKey(key, id, &cpu); + if (rc != ERROR_SUCCESS) { + RegCloseKey(key); + return rc; + } + + size = sizeof(info->vendor); + if (RegQueryValueEx(cpu, "VendorIdentifier", NULL, NULL, + (LPVOID)&info->vendor, &size) || + strEQ(info->vendor, "GenuineIntel")) + { + SIGAR_SSTRCPY(info->vendor, "Intel"); + } + else { + if (strEQ(info->vendor, "AuthenticAMD")) { + SIGAR_SSTRCPY(info->vendor, "AMD"); + } + } + + size = sizeof(info->model); + if (RegQueryValueEx(cpu, "ProcessorNameString", NULL, NULL, + (LPVOID)&info->model, &size)) + { + size = sizeof(info->model); + if (RegQueryValueEx(cpu, "Identifier", NULL, NULL, + (LPVOID)&info->model, &size)) + { + SIGAR_SSTRCPY(info->model, "x86"); + } + } + else { + sigar_cpu_model_adjust(sigar, info); + } + + size = sizeof(info->mhz); // == sizeof(DWORD) + if (RegQueryValueEx(cpu, "~MHz", NULL, NULL, + (LPVOID)&info->mhz, &size)) + { + info->mhz = -1; + } + + info->cache_size = -1; //XXX + RegCloseKey(key); + RegCloseKey(cpu); + + info->total_cores = sigar->ncpu; + info->cores_per_socket = sigar->lcpu; + info->total_sockets = sigar_cpu_socket_count(sigar); + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_cpu_info_list_get(sigar_t *sigar, + sigar_cpu_info_list_t *cpu_infos) +{ + int i, status; + sigar_cpu_info_t info; + int core_rollup = sigar_cpu_core_rollup(sigar); + + sigar_cpu_info_list_create(cpu_infos); + + status = sigar_cpu_info_get(sigar, &info); + + if (status != SIGAR_OK) { + return status; + } + + for (i=0; incpu; i++) { + SIGAR_CPU_INFO_LIST_GROW(cpu_infos); + + if (core_rollup && (i % sigar->lcpu)) { + continue; /* fold logical processors */ + } + + memcpy(&cpu_infos->data[cpu_infos->number++], + &info, sizeof(info)); + } + + return SIGAR_OK; +} + +#define sigar_GetNetworkParams \ + sigar->iphlpapi.get_net_params.func + +#define sigar_GetAdaptersInfo \ + sigar->iphlpapi.get_adapters_info.func + +#define sigar_GetAdaptersAddresses \ + sigar->iphlpapi.get_adapters_addrs.func + +#define sigar_GetNumberOfInterfaces \ + sigar->iphlpapi.get_num_if.func + +static sigar_cache_t *sigar_netif_cache_new(sigar_t *sigar) +{ + DWORD num = 0; + + DLLMOD_INIT(iphlpapi, FALSE); + + if (sigar_GetNumberOfInterfaces) { + DWORD rc = sigar_GetNumberOfInterfaces(&num); + + if (rc == NO_ERROR) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "GetNumberOfInterfaces=%d", + num); + } + else { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "GetNumberOfInterfaces failed: %s", + sigar_strerror(sigar, rc)); + } + } + + if (num == 0) { + num = 10; /* reasonable default */ + } + + return sigar_cache_new(num); +} + +static int sigar_get_adapters_info(sigar_t *sigar, + PIP_ADAPTER_INFO *adapter) +{ + ULONG size = sigar->ifconf_len; + DWORD rc; + + DLLMOD_INIT(iphlpapi, FALSE); + + if (!sigar_GetAdaptersInfo) { + return SIGAR_ENOTIMPL; + } + + *adapter = (PIP_ADAPTER_INFO)sigar->ifconf_buf; + rc = sigar_GetAdaptersInfo(*adapter, &size); + + if (rc == ERROR_BUFFER_OVERFLOW) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "GetAdaptersInfo " + "realloc ifconf_buf old=%d, new=%d", + sigar->ifconf_len, size); + sigar->ifconf_len = size; + sigar->ifconf_buf = realloc(sigar->ifconf_buf, + sigar->ifconf_len); + + *adapter = (PIP_ADAPTER_INFO)sigar->ifconf_buf; + rc = sigar_GetAdaptersInfo(*adapter, &size); + } + + if (rc != NO_ERROR) { + return rc; + } + else { + return SIGAR_OK; + } +} + +static int sigar_get_adapter_info(sigar_t *sigar, + DWORD index, + IP_ADAPTER_INFO **adapter) +{ + sigar_cache_entry_t *entry; + *adapter = NULL; + + if (sigar->netif_adapters) { + entry = sigar_cache_get(sigar->netif_adapters, index); + if (entry->value) { + *adapter = (IP_ADAPTER_INFO *)entry->value; + } + } + else { + int status; + IP_ADAPTER_INFO *info; + + sigar->netif_adapters = + sigar_netif_cache_new(sigar); + + status = sigar_get_adapters_info(sigar, &info); + if (status != SIGAR_OK) { + return status; + } + + while (info) { + entry = sigar_cache_get(sigar->netif_adapters, + info->Index); + if (!entry->value) { + entry->value = malloc(sizeof(*info)); + } + memcpy(entry->value, info, sizeof(*info)); + if (info->Index == index) { + *adapter = info; + } + + info = info->Next; + } + } + + if (*adapter) { + return SIGAR_OK; + } + else { + return ENOENT; + } +} + +static int sigar_get_adapters_addresses(sigar_t *sigar, + ULONG family, ULONG flags, + PIP_ADAPTER_ADDRESSES *addrs, + ULONG *size) +{ + ULONG rc; + + DLLMOD_INIT(iphlpapi, FALSE); + + if (!sigar_GetAdaptersAddresses) { + return SIGAR_ENOTIMPL; + } + + rc = sigar_GetAdaptersAddresses(family, + flags, + NULL, + *addrs, + size); + + if (rc == ERROR_BUFFER_OVERFLOW) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "GetAdaptersAddresses realloc to %d", size); + + *addrs = realloc(*addrs, *size); + + rc = sigar_GetAdaptersAddresses(family, + flags, + NULL, + (PIP_ADAPTER_ADDRESSES)*addrs, + size); + } + + if (rc != ERROR_SUCCESS) { + return rc; + } + else { + return SIGAR_OK; + } +} + +#define sigar_GetIpAddrTable \ + sigar->iphlpapi.get_ipaddr_table.func + +static int sigar_get_ipaddr_table(sigar_t *sigar, + PMIB_IPADDRTABLE *ipaddr) +{ + ULONG size = sigar->ifconf_len; + DWORD rc; + + DLLMOD_INIT(iphlpapi, FALSE); + + if (!sigar_GetIpAddrTable) { + return SIGAR_ENOTIMPL; + } + + *ipaddr = (PMIB_IPADDRTABLE)sigar->ifconf_buf; + rc = sigar_GetIpAddrTable(*ipaddr, &size, FALSE); + + if (rc == ERROR_INSUFFICIENT_BUFFER) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "GetIpAddrTable " + "realloc ifconf_buf old=%d, new=%d", + sigar->ifconf_len, size); + sigar->ifconf_len = size; + sigar->ifconf_buf = realloc(sigar->ifconf_buf, + sigar->ifconf_len); + + *ipaddr = (PMIB_IPADDRTABLE)sigar->ifconf_buf; + rc = sigar_GetIpAddrTable(*ipaddr, &size, FALSE); + } + + if (rc != NO_ERROR) { + return rc; + } + else { + return SIGAR_OK; + } +} + +#ifndef MIB_IPADDR_PRIMARY +#define MIB_IPADDR_PRIMARY 0x0001 +#endif + +static int sigar_get_netif_ipaddr(sigar_t *sigar, + DWORD index, + MIB_IPADDRROW **ipaddr) +{ + sigar_cache_entry_t *entry; + *ipaddr = NULL; + + if (sigar->netif_addr_rows) { + entry = sigar_cache_get(sigar->netif_addr_rows, index); + if (entry->value) { + *ipaddr = (MIB_IPADDRROW *)entry->value; + } + } + else { + int status, i; + MIB_IPADDRTABLE *mib; + + sigar->netif_addr_rows = + sigar_netif_cache_new(sigar); + + status = sigar_get_ipaddr_table(sigar, &mib); + if (status != SIGAR_OK) { + return status; + } + + for (i=0; idwNumEntries; i++) { + MIB_IPADDRROW *row = &mib->table[i]; + short type; + +#if HAVE_MIB_IPADDRROW_WTYPE + type = row->wType; +#else + type = row->unused2; +#endif + if (!(type & MIB_IPADDR_PRIMARY)) { + continue; + } + + entry = sigar_cache_get(sigar->netif_addr_rows, + row->dwIndex); + if (!entry->value) { + entry->value = malloc(sizeof(*row)); + } + memcpy(entry->value, row, sizeof(*row)); + + if (row->dwIndex == index) { + *ipaddr = row; + } + } + } + + if (*ipaddr) { + return SIGAR_OK; + } + else { + return ENOENT; + } +} + +SIGAR_DECLARE(int) sigar_net_info_get(sigar_t *sigar, + sigar_net_info_t *netinfo) +{ + PIP_ADAPTER_INFO adapter; + FIXED_INFO *info; + ULONG len = 0; + IP_ADDR_STRING *ip; + DWORD rc; + + DLLMOD_INIT(iphlpapi, FALSE); + + if (!sigar_GetNetworkParams) { + return SIGAR_ENOTIMPL; + } + + SIGAR_ZERO(netinfo); + + rc = sigar_GetNetworkParams(NULL, &len); + if (rc != ERROR_BUFFER_OVERFLOW) { + return rc; + } + + info = malloc(len); + rc = sigar_GetNetworkParams(info, &len); + if (rc != NO_ERROR) { + free(info); + return rc; + } + + SIGAR_SSTRCPY(netinfo->host_name, info->HostName); + SIGAR_SSTRCPY(netinfo->domain_name, info->DomainName); + SIGAR_SSTRCPY(netinfo->primary_dns, + info->DnsServerList.IpAddress.String); + + if ((ip = info->DnsServerList.Next)) { + SIGAR_SSTRCPY(netinfo->secondary_dns, + ip->IpAddress.String); + } + + free(info); + + if (sigar_get_adapters_info(sigar, &adapter) != SIGAR_OK) { + return SIGAR_OK; + } + + while (adapter) { + /* should only be 1 */ + if (adapter->GatewayList.IpAddress.String[0]) { + SIGAR_SSTRCPY(netinfo->default_gateway, + adapter->GatewayList.IpAddress.String); + } +#if 0 + if (apapters->DhcpEnabled) { + SIGAR_SSTRCPY(netinfo->dhcp_server, + apdaters->DhcpServer.IpAddress.String); + } +#endif + adapter = adapter->Next; + } + + return SIGAR_OK; +} + +#define sigar_GetIpForwardTable \ + sigar->iphlpapi.get_ipforward_table.func + +SIGAR_DECLARE(int) sigar_net_route_list_get(sigar_t *sigar, + sigar_net_route_list_t *routelist) +{ + PMIB_IPFORWARDTABLE buffer = NULL; + ULONG bufsize = 0; + DWORD rc, i; + MIB_IPFORWARDTABLE *ipt; + sigar_net_route_t *route; + + DLLMOD_INIT(iphlpapi, FALSE); + if (!sigar_GetIpForwardTable) { + return SIGAR_ENOTIMPL; + } + + rc = sigar_GetIpForwardTable(buffer, &bufsize, FALSE); + if (rc != ERROR_INSUFFICIENT_BUFFER) { + return GetLastError(); + } + + buffer = malloc(bufsize); + rc = sigar_GetIpForwardTable(buffer, &bufsize, FALSE); + if (rc != NO_ERROR) { + free(buffer); + return GetLastError(); + } + + if (!sigar->netif_names) { + sigar_net_interface_list_get(sigar, NULL); + } + + sigar_net_route_list_create(routelist); + routelist->size = routelist->number = 0; + + ipt = buffer; + + for (i=0; idwNumEntries; i++) { + MIB_IPFORWARDROW *ipr = ipt->table + i; + sigar_cache_entry_t *entry; + + SIGAR_NET_ROUTE_LIST_GROW(routelist); + + route = &routelist->data[routelist->number++]; + SIGAR_ZERO(route); /* XXX: other fields */ + + sigar_net_address_set(route->destination, + ipr->dwForwardDest); + + sigar_net_address_set(route->mask, + ipr->dwForwardMask); + + sigar_net_address_set(route->gateway, + ipr->dwForwardNextHop); + + route->metric = ipr->dwForwardMetric1; + + route->flags = SIGAR_RTF_UP; + if ((ipr->dwForwardDest == 0) && + (ipr->dwForwardMask == 0)) + { + route->flags |= SIGAR_RTF_GATEWAY; + } + + entry = sigar_cache_get(sigar->netif_names, ipr->dwForwardIfIndex); + if (entry->value) { + SIGAR_SSTRCPY(route->ifname, (char *)entry->value); + } + } + + free(buffer); + + return SIGAR_OK; +} + +#define sigar_GetIfTable \ + sigar->iphlpapi.get_if_table.func + +#define sigar_GetIfEntry \ + sigar->iphlpapi.get_if_entry.func + +static int sigar_get_if_table(sigar_t *sigar, PMIB_IFTABLE *iftable) +{ + ULONG size = sigar->ifconf_len; + DWORD rc; + + DLLMOD_INIT(iphlpapi, FALSE); + + if (!sigar_GetIfTable) { + return SIGAR_ENOTIMPL; + } + + *iftable = (PMIB_IFTABLE)sigar->ifconf_buf; + rc = sigar_GetIfTable(*iftable, &size, FALSE); + + if (rc == ERROR_INSUFFICIENT_BUFFER) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "GetIfTable " + "realloc ifconf_buf old=%d, new=%d", + sigar->ifconf_len, size); + sigar->ifconf_len = size; + sigar->ifconf_buf = realloc(sigar->ifconf_buf, + sigar->ifconf_len); + + *iftable = (PMIB_IFTABLE)sigar->ifconf_buf; + rc = sigar_GetIfTable(*iftable, &size, FALSE); + } + + if (rc != NO_ERROR) { + return rc; + } + else { + return SIGAR_OK; + } +} + +static int get_mib_ifrow(sigar_t *sigar, + const char *name, + MIB_IFROW **ifrp) +{ + int status, key, cached=0; + sigar_cache_entry_t *entry; + + if (sigar->netif_mib_rows) { + cached = 1; + } + else { + status = sigar_net_interface_list_get(sigar, NULL); + if (status != SIGAR_OK) { + return status; + } + } + key = netif_hash(name); + entry = sigar_cache_get(sigar->netif_mib_rows, key); + if (!entry->value) { + return ENOENT; + } + + *ifrp = (MIB_IFROW *)entry->value; + if (cached) { + /* refresh */ + if ((status = sigar_GetIfEntry(*ifrp)) != NO_ERROR) { + return status; + } + } + + return SIGAR_OK; +} + +static int netif_hash(char *s) +{ + int hash = 0; + while (*s) { + hash = 31*hash + *s++; + } + return hash; +} + +/* Vista and later, wireless network cards are reported as IF_TYPE_IEEE80211 */ +#ifndef IF_TYPE_IEEE80211 +#define IF_TYPE_IEEE80211 71 +#endif + +static int +sigar_net_interface_name_get(sigar_t *sigar, MIB_IFROW *ifr, PIP_ADAPTER_ADDRESSES address_list, char *name) +{ + PIP_ADAPTER_ADDRESSES iter; + int lpc = 0; + + if (address_list == NULL) { + return SIGAR_ENOTIMPL; + } + + for (iter = address_list; iter != NULL; iter = iter->Next) { + for (lpc = 0; lpc < iter->PhysicalAddressLength; lpc++) { + if (iter->PhysicalAddress[lpc] != ifr->bPhysAddr[lpc]) { + break; + } + } + + if (lpc == iter->PhysicalAddressLength) { + wcstombs(name, iter->FriendlyName, MAX_INTERFACE_NAME_LEN); + name[MAX_INTERFACE_NAME_LEN-1] = '\0'; + return SIGAR_OK; + } + } + + return SIGAR_ENOENT; +} + +SIGAR_DECLARE(int) +sigar_net_interface_list_get(sigar_t *sigar, + sigar_net_interface_list_t *iflist) +{ + MIB_IFTABLE *ift; + int i, status; + int lo=0, eth=0, la=0; + PIP_ADAPTER_ADDRESSES address_list = NULL; + ULONG size = 0; + + status = sigar_get_adapters_addresses(sigar, AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, &address_list, &size); + + if (status != SIGAR_OK) { + address_list = NULL; + } + + if (!sigar->netif_mib_rows) { + sigar->netif_mib_rows = + sigar_netif_cache_new(sigar); + } + + if (!sigar->netif_names) { + sigar->netif_names = + sigar_netif_cache_new(sigar); + } + + if ((status = sigar_get_if_table(sigar, &ift)) != SIGAR_OK) { + if (address_list) { + free(address_list); + } + return status; + } + + if (iflist) { + iflist->number = 0; + iflist->size = ift->dwNumEntries; + iflist->data = + malloc(sizeof(*(iflist->data)) * iflist->size); + } + + for (i=0; idwNumEntries; i++) { + char name[MAX_INTERFACE_NAME_LEN]; + int key; + MIB_IFROW *ifr = ift->table + i; + sigar_cache_entry_t *entry; + + status = SIGAR_ENOENT; + + if (strEQ(ifr->bDescr, MS_LOOPBACK_ADAPTER)) { + /* special-case */ + sprintf(name, NETIF_LA "%d", la++); + } + else if (ifr->dwType == MIB_IF_TYPE_LOOPBACK) { + if (!sigar->netif_name_short) { + status = sigar_net_interface_name_get(sigar, ifr, address_list, name); + } + if (status != SIGAR_OK) { + sprintf(name, "lo%d", lo++); + } + } + else if ((ifr->dwType == MIB_IF_TYPE_ETHERNET) || + (ifr->dwType == IF_TYPE_IEEE80211)) + { + if (!sigar->netif_name_short && + (strstr(ifr->bDescr, "Scheduler") == NULL) && + (strstr(ifr->bDescr, "Filter") == NULL)) + { + status = sigar_net_interface_name_get(sigar, ifr, address_list, name); + } + + if (status != SIGAR_OK) { + if (sigar->netif_name_short) { + sprintf(name, "eth%d", eth++); + } + else { + snprintf(name, ifr->dwDescrLen, "%s", ifr->bDescr); + } + } + } + else { + continue; /*XXX*/ + } + + if (iflist) { + iflist->data[iflist->number++] = sigar_strdup(name); + } + + key = netif_hash(name); + entry = sigar_cache_get(sigar->netif_mib_rows, key); + if (!entry->value) { + entry->value = malloc(sizeof(*ifr)); + } + memcpy(entry->value, ifr, sizeof(*ifr)); + + /* save dwIndex -> name mapping for use by route_list */ + entry = sigar_cache_get(sigar->netif_names, ifr->dwIndex); + if (!entry->value) { + entry->value = sigar_strdup(name); + } + } + + if (address_list != NULL) { + free(address_list); + } + + return SIGAR_OK; +} + +static int sigar_net_interface_ipv6_config_find(sigar_t *sigar, int index, + sigar_net_interface_config_t *ifconfig) +{ +#ifdef SIGAR_USING_MSC6 + return SIGAR_ENOTIMPL; +#else + int status; + PIP_ADAPTER_ADDRESSES aa = (PIP_ADAPTER_ADDRESSES)sigar->ifconf_buf, addrs; + ULONG flags = GAA_FLAG_INCLUDE_PREFIX; + status = sigar_get_adapters_addresses(sigar, AF_UNSPEC, flags, &aa, &sigar->ifconf_len); + + if (status != SIGAR_OK) { + return status; + } + + for (addrs = aa; addrs; addrs = addrs->Next) { + PIP_ADAPTER_UNICAST_ADDRESS addr; + if (addrs->IfIndex != index) { + continue; + } + for (addr = addrs->FirstUnicastAddress; addr; addr = addr->Next) { + struct sockaddr *sa = addr->Address.lpSockaddr; + + if (sa->sa_family == AF_INET6) { + struct in6_addr *inet6 = SIGAR_SIN6_ADDR(sa); + + sigar_net_address6_set(ifconfig->address6, inet6); + sigar_net_interface_scope6_set(ifconfig, inet6); + if (addrs->FirstPrefix) { + ifconfig->prefix6_length = addrs->FirstPrefix->PrefixLength; + } + return SIGAR_OK; + } + } + } + return SIGAR_ENOENT; +#endif +} + +SIGAR_DECLARE(int) +sigar_net_interface_config_get(sigar_t *sigar, + const char *name, + sigar_net_interface_config_t *ifconfig) +{ + MIB_IFROW *ifr; + MIB_IPADDRROW *ipaddr; + int status; + + if (!name) { + return sigar_net_interface_config_primary_get(sigar, ifconfig); + } + + status = get_mib_ifrow(sigar, name, &ifr); + if (status != SIGAR_OK) { + return status; + } + + SIGAR_ZERO(ifconfig); + + SIGAR_SSTRCPY(ifconfig->name, name); + + ifconfig->mtu = ifr->dwMtu; + + sigar_net_address_mac_set(ifconfig->hwaddr, + ifr->bPhysAddr, + SIGAR_IFHWADDRLEN); + + SIGAR_SSTRCPY(ifconfig->description, + ifr->bDescr); + + if (ifr->dwOperStatus & MIB_IF_OPER_STATUS_OPERATIONAL) { + ifconfig->flags |= SIGAR_IFF_UP|SIGAR_IFF_RUNNING; + } + + status = sigar_get_netif_ipaddr(sigar, + ifr->dwIndex, + &ipaddr); + + if (status == SIGAR_OK) { + sigar_net_address_set(ifconfig->address, + ipaddr->dwAddr); + + sigar_net_address_set(ifconfig->netmask, + ipaddr->dwMask); + + if (ifr->dwType != MIB_IF_TYPE_LOOPBACK) { + if (ipaddr->dwBCastAddr) { + long bcast = + ipaddr->dwAddr & ipaddr->dwMask; + + bcast |= ~ipaddr->dwMask; + ifconfig->flags |= SIGAR_IFF_BROADCAST; + + sigar_net_address_set(ifconfig->broadcast, + bcast); + } + } + } + + /* hack for MS_LOOPBACK_ADAPTER */ + if (strnEQ(name, NETIF_LA, sizeof(NETIF_LA)-1)) { + ifr->dwType = MIB_IF_TYPE_LOOPBACK; + } + + if (ifr->dwType == MIB_IF_TYPE_LOOPBACK) { + ifconfig->flags |= SIGAR_IFF_LOOPBACK; + + SIGAR_SSTRCPY(ifconfig->type, + SIGAR_NIC_LOOPBACK); + } + else { + if (ipaddr) { + ifconfig->flags |= SIGAR_IFF_MULTICAST; + } + + SIGAR_SSTRCPY(ifconfig->type, + SIGAR_NIC_ETHERNET); + } + + sigar_net_interface_ipv6_config_init(ifconfig); + sigar_net_interface_ipv6_config_find(sigar, ifr->dwIndex, ifconfig); + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) +sigar_net_interface_stat_get(sigar_t *sigar, const char *name, + sigar_net_interface_stat_t *ifstat) +{ + MIB_IFROW *ifr; + int status; + + status = get_mib_ifrow(sigar, name, &ifr); + if (status != SIGAR_OK) { + return status; + } + + ifstat->rx_bytes = ifr->dwInOctets; + ifstat->rx_packets = ifr->dwInUcastPkts + ifr->dwInNUcastPkts; + ifstat->rx_errors = ifr->dwInErrors; + ifstat->rx_dropped = ifr->dwInDiscards; + ifstat->rx_overruns = SIGAR_FIELD_NOTIMPL; + ifstat->rx_frame = SIGAR_FIELD_NOTIMPL; + + ifstat->tx_bytes = ifr->dwOutOctets; + ifstat->tx_packets = ifr->dwOutUcastPkts + ifr->dwOutNUcastPkts; + ifstat->tx_errors = ifr->dwOutErrors; + ifstat->tx_dropped = ifr->dwOutDiscards; + ifstat->tx_overruns = SIGAR_FIELD_NOTIMPL; + ifstat->tx_collisions = SIGAR_FIELD_NOTIMPL; + ifstat->tx_carrier = SIGAR_FIELD_NOTIMPL; + + ifstat->speed = ifr->dwSpeed; + + return SIGAR_OK; +} + +#define IS_TCP_SERVER(state, flags) \ + ((flags & SIGAR_NETCONN_SERVER) && (state == MIB_TCP_STATE_LISTEN)) + +#define IS_TCP_CLIENT(state, flags) \ + ((flags & SIGAR_NETCONN_CLIENT) && (state != MIB_TCP_STATE_LISTEN)) + +#define sigar_GetTcpTable \ + sigar->iphlpapi.get_tcp_table.func + +static int net_conn_get_tcp(sigar_net_connection_walker_t *walker) +{ + sigar_t *sigar = walker->sigar; + int flags = walker->flags; + int status, i; + DWORD rc, size=0; + PMIB_TCPTABLE tcp; + + DLLMOD_INIT(iphlpapi, FALSE); + + if (!sigar_GetTcpTable) { + return SIGAR_ENOTIMPL; + } + + rc = sigar_GetTcpTable(NULL, &size, FALSE); + if (rc != ERROR_INSUFFICIENT_BUFFER) { + return GetLastError(); + } + tcp = malloc(size); + rc = sigar_GetTcpTable(tcp, &size, FALSE); + if (rc) { + free(tcp); + return GetLastError(); + } + + /* go in reverse to get LISTEN states first */ + for (i = (tcp->dwNumEntries-1); i >= 0; i--) { + sigar_net_connection_t conn; + DWORD state = tcp->table[i].dwState; + + if (!(IS_TCP_SERVER(state, flags) || + IS_TCP_CLIENT(state, flags))) + { + continue; + } + + conn.local_port = htons((WORD)tcp->table[i].dwLocalPort); + conn.remote_port = htons((WORD)tcp->table[i].dwRemotePort); + + conn.type = SIGAR_NETCONN_TCP; + + sigar_net_address_set(conn.local_address, + tcp->table[i].dwLocalAddr); + + sigar_net_address_set(conn.remote_address, + tcp->table[i].dwRemoteAddr); + + conn.send_queue = conn.receive_queue = SIGAR_FIELD_NOTIMPL; + + switch (state) { + case MIB_TCP_STATE_CLOSED: + conn.state = SIGAR_TCP_CLOSE; + break; + case MIB_TCP_STATE_LISTEN: + conn.state = SIGAR_TCP_LISTEN; + break; + case MIB_TCP_STATE_SYN_SENT: + conn.state = SIGAR_TCP_SYN_SENT; + break; + case MIB_TCP_STATE_SYN_RCVD: + conn.state = SIGAR_TCP_SYN_RECV; + break; + case MIB_TCP_STATE_ESTAB: + conn.state = SIGAR_TCP_ESTABLISHED; + break; + case MIB_TCP_STATE_FIN_WAIT1: + conn.state = SIGAR_TCP_FIN_WAIT1; + break; + case MIB_TCP_STATE_FIN_WAIT2: + conn.state = SIGAR_TCP_FIN_WAIT2; + break; + case MIB_TCP_STATE_CLOSE_WAIT: + conn.state = SIGAR_TCP_CLOSE_WAIT; + break; + case MIB_TCP_STATE_CLOSING: + conn.state = SIGAR_TCP_CLOSING; + break; + case MIB_TCP_STATE_LAST_ACK: + conn.state = SIGAR_TCP_LAST_ACK; + break; + case MIB_TCP_STATE_TIME_WAIT: + conn.state = SIGAR_TCP_TIME_WAIT; + break; + case MIB_TCP_STATE_DELETE_TCB: + default: + conn.state = SIGAR_TCP_UNKNOWN; + break; + } + + if (walker->add_connection(walker, &conn) != SIGAR_OK) { + break; + } + } + + free(tcp); + return SIGAR_OK; +} + +#define IS_UDP_SERVER(conn, flags) \ + ((flags & SIGAR_NETCONN_SERVER) && !conn.remote_port) + +#define IS_UDP_CLIENT(state, flags) \ + ((flags & SIGAR_NETCONN_CLIENT) && conn.remote_port) + +#define sigar_GetUdpTable \ + sigar->iphlpapi.get_udp_table.func + +static int net_conn_get_udp(sigar_net_connection_walker_t *walker) +{ + sigar_t *sigar = walker->sigar; + int flags = walker->flags; + int status; + DWORD rc, size=0, i; + PMIB_UDPTABLE udp; + + DLLMOD_INIT(iphlpapi, FALSE); + + if (!sigar_GetUdpTable) { + return SIGAR_ENOTIMPL; + } + + rc = sigar_GetUdpTable(NULL, &size, FALSE); + if (rc != ERROR_INSUFFICIENT_BUFFER) { + return GetLastError(); + } + udp = malloc(size); + rc = sigar_GetUdpTable(udp, &size, FALSE); + if (rc) { + free(udp); + return GetLastError(); + } + + for (i = 0; i < udp->dwNumEntries; i++) { + sigar_net_connection_t conn; + + if (!(IS_UDP_SERVER(conn, flags) || + IS_UDP_CLIENT(conn, flags))) + { + continue; + } + + conn.local_port = htons((WORD)udp->table[i].dwLocalPort); + conn.remote_port = 0; + + conn.type = SIGAR_NETCONN_UDP; + + sigar_net_address_set(conn.local_address, + udp->table[i].dwLocalAddr); + + sigar_net_address_set(conn.remote_address, 0); + + conn.send_queue = conn.receive_queue = SIGAR_FIELD_NOTIMPL; + + if (walker->add_connection(walker, &conn) != SIGAR_OK) { + break; + } + } + + free(udp); + return SIGAR_OK; +} + +SIGAR_DECLARE(int) +sigar_net_connection_walk(sigar_net_connection_walker_t *walker) +{ + int status; + + if (walker->flags & SIGAR_NETCONN_TCP) { + status = net_conn_get_tcp(walker); + + if (status != SIGAR_OK) { + return status; + } + } + + if (walker->flags & SIGAR_NETCONN_UDP) { + status = net_conn_get_udp(walker); + + if (status != SIGAR_OK) { + return status; + } + } + + return SIGAR_OK; +} + +#define sigar_GetTcpStatistics \ + sigar->iphlpapi.get_tcp_stats.func + +SIGAR_DECLARE(int) +sigar_tcp_get(sigar_t *sigar, + sigar_tcp_t *tcp) +{ + MIB_TCPSTATS mib; + int status; + + DLLMOD_INIT(iphlpapi, FALSE); + + if (!sigar_GetTcpStatistics) { + return SIGAR_ENOTIMPL; + } + + status = sigar_GetTcpStatistics(&mib); + + if (status != NO_ERROR) { + return status; + } + + tcp->active_opens = mib.dwActiveOpens; + tcp->passive_opens = mib.dwPassiveOpens; + tcp->attempt_fails = mib.dwAttemptFails; + tcp->estab_resets = mib.dwEstabResets; + tcp->curr_estab = mib.dwCurrEstab; + tcp->in_segs = mib.dwInSegs; + tcp->out_segs = mib.dwOutSegs; + tcp->retrans_segs = mib.dwRetransSegs; + tcp->in_errs = mib.dwInErrs; + tcp->out_rsts = mib.dwOutRsts; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) +sigar_nfs_client_v2_get(sigar_t *sigar, + sigar_nfs_client_v2_t *nfs) +{ + return SIGAR_ENOTIMPL; +} + +SIGAR_DECLARE(int) +sigar_nfs_server_v2_get(sigar_t *sigar, + sigar_nfs_server_v2_t *nfs) +{ + return SIGAR_ENOTIMPL; +} + +SIGAR_DECLARE(int) +sigar_nfs_client_v3_get(sigar_t *sigar, + sigar_nfs_client_v3_t *nfs) +{ + return SIGAR_ENOTIMPL; +} + +SIGAR_DECLARE(int) +sigar_nfs_server_v3_get(sigar_t *sigar, + sigar_nfs_server_v3_t *nfs) +{ + return SIGAR_ENOTIMPL; +} + +#define sigar_GetTcpExTable \ + sigar->iphlpapi.get_tcpx_table.func + +#define sigar_GetUdpExTable \ + sigar->iphlpapi.get_udpx_table.func + +SIGAR_DECLARE(int) sigar_proc_port_get(sigar_t *sigar, + int protocol, + unsigned long port, + sigar_pid_t *pid) +{ + DWORD rc, i; + + DLLMOD_INIT(iphlpapi, FALSE); + + if (protocol == SIGAR_NETCONN_TCP) { + PMIB_TCPEXTABLE tcp; + + if (!sigar_GetTcpExTable) { + return SIGAR_ENOTIMPL; + } + + rc = sigar_GetTcpExTable(&tcp, FALSE, GetProcessHeap(), + 2, 2); + + if (rc) { + return GetLastError(); + } + + for (i=0; idwNumEntries; i++) { + if (tcp->table[i].dwState != MIB_TCP_STATE_LISTEN) { + continue; + } + + if (htons((WORD)tcp->table[i].dwLocalPort) != port) { + continue; + } + + *pid = tcp->table[i].dwProcessId; + + return SIGAR_OK; + } + } + else if (protocol == SIGAR_NETCONN_UDP) { + PMIB_UDPEXTABLE udp; + + if (!sigar_GetUdpExTable) { + return SIGAR_ENOTIMPL; + } + + rc = sigar_GetUdpExTable(&udp, FALSE, GetProcessHeap(), + 2, 2); + + if (rc) { + return GetLastError(); + } + + for (i=0; idwNumEntries; i++) { + if (htons((WORD)udp->table[i].dwLocalPort) != port) { + continue; + } + + *pid = udp->table[i].dwProcessId; + + return SIGAR_OK; + } + } + else { + return SIGAR_ENOTIMPL; + } + + return ENOENT; +} + +#define sigar_GetIpNetTable \ + sigar->iphlpapi.get_ipnet_table.func + +SIGAR_DECLARE(int) sigar_arp_list_get(sigar_t *sigar, + sigar_arp_list_t *arplist) +{ + int status; + DWORD rc, size=0, i; + PMIB_IPNETTABLE ipnet; + + DLLMOD_INIT(iphlpapi, FALSE); + + if (!sigar_GetIpNetTable) { + return SIGAR_ENOTIMPL; + } + + rc = sigar_GetIpNetTable(NULL, &size, FALSE); + if (rc != ERROR_INSUFFICIENT_BUFFER) { + return GetLastError(); + } + ipnet = malloc(size); + rc = sigar_GetIpNetTable(ipnet, &size, FALSE); + if (rc) { + free(ipnet); + return GetLastError(); + } + + sigar_arp_list_create(arplist); + + if (!sigar->netif_names) { + /* dwIndex -> name map */ + sigar_net_interface_list_get(sigar, NULL); + } + + for (i = 0; i < ipnet->dwNumEntries; i++) { + sigar_arp_t *arp; + PMIB_IPNETROW entry; + sigar_cache_entry_t *ifname; + + entry = &ipnet->table[i]; + SIGAR_ARP_LIST_GROW(arplist); + arp = &arplist->data[arplist->number++]; + + sigar_net_address_set(arp->address, + entry->dwAddr); + + sigar_net_address_mac_set(arp->hwaddr, + entry->bPhysAddr, + entry->dwPhysAddrLen); + + ifname = sigar_cache_get(sigar->netif_names, entry->dwIndex); + if (ifname->value) { + SIGAR_SSTRCPY(arp->ifname, (char *)ifname->value); + } + + arp->flags = 0; /*XXX*/ + SIGAR_SSTRCPY(arp->type, "ether"); /*XXX*/ + } + + free(ipnet); + + return SIGAR_OK; +} + +#include + +static int sigar_who_net_sessions(sigar_t *sigar, + sigar_who_list_t *wholist) +{ + NET_API_STATUS status; + LPSESSION_INFO_10 buffer=NULL, ptr; + DWORD entries=0, total_entries=0; + DWORD resume_handle=0; + DWORD i; + + do { + status = NetSessionEnum(NULL, /* server name */ + NULL, /* client name */ + NULL, /* user name */ + 10, /* level */ + (LPBYTE*)&buffer, + MAX_PREFERRED_LENGTH, + &entries, + &total_entries, + &resume_handle); + + if ((status == NERR_Success) || (status == ERROR_MORE_DATA)) { + if ((ptr = buffer)) { + for (i=0; idata[wholist->number++]; + + who->time = (time(NULL) - ptr->sesi10_time); + SIGAR_W2A((LPCWSTR)ptr->sesi10_username, + who->user, sizeof(who->user)); + SIGAR_W2A((LPCWSTR)ptr->sesi10_cname, + who->host, sizeof(who->host)); + SIGAR_SSTRCPY(who->device, "network share"); + + ptr++; + } + } + } + else { + break; + } + + if (buffer) { + NetApiBufferFree(buffer); + buffer = NULL; + } + } while (status == ERROR_MORE_DATA); + + if (buffer) { + NetApiBufferFree(buffer); + } + + return SIGAR_OK; +} + +static int get_logon_info(HKEY users, + char *username, + sigar_who_t *who) +{ + DWORD status, size, type; + HKEY key; + char key_name[MAX_PATH]; + char value[256]; + FILETIME wtime; + + who->time = 0; + + sprintf(key_name, "%s\\Volatile Environment", username); + if (RegOpenKey(users, key_name, &key) != ERROR_SUCCESS) { + return ENOENT; + } + + status = RegQueryInfoKey(key, + NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, + &wtime); + + if (status == ERROR_SUCCESS) { + FileTimeToLocalFileTime(&wtime, &wtime); + who->time = sigar_FileTimeToTime(&wtime) / 1000000; + } + + size = sizeof(value); + status = RegQueryValueEx(key, "CLIENTNAME", + NULL, &type, value, &size); + if (status == ERROR_SUCCESS) { + if ((value[0] != '\0') && !strEQ(value, "Console")) { + SIGAR_SSTRCPY(who->host, value); + } + } + + size = sizeof(value); + status = RegQueryValueEx(key, "SESSIONNAME", + NULL, &type, value, &size); + if (status == ERROR_SUCCESS) { + SIGAR_SSTRCPY(who->device, value); + } + + RegCloseKey(key); + + return SIGAR_OK; +} + +#define sigar_ConvertStringSidToSid \ + sigar->advapi.convert_string_sid.func + +static int sigar_who_registry(sigar_t *sigar, + sigar_who_list_t *wholist) +{ + HKEY users; + DWORD index=0, status; + + if (!sigar_ConvertStringSidToSid) { + return ENOENT; + } + + status = RegOpenKey(HKEY_USERS, NULL, &users); + if (status != ERROR_SUCCESS) { + return status; + } + + while (1) { + char subkey[MAX_PATH]; + char username[SIGAR_CRED_NAME_MAX]; + char domain[SIGAR_CRED_NAME_MAX]; + DWORD subkey_len = sizeof(subkey); + DWORD username_len = sizeof(username); + DWORD domain_len = sizeof(domain); + PSID sid; + SID_NAME_USE type; + + status = RegEnumKeyEx(users, index, subkey, &subkey_len, + NULL, NULL, NULL, NULL); + + if (status != ERROR_SUCCESS) { + break; + } + + index++; + + if ((subkey[0] == '.') || strstr(subkey, "_Classes")) { + continue; + } + + if (!sigar_ConvertStringSidToSid(subkey, &sid)) { + continue; + } + + if (LookupAccountSid(NULL, /* server */ + sid, + username, &username_len, + domain, &domain_len, + &type)) + { + sigar_who_t *who; + + SIGAR_WHO_LIST_GROW(wholist); + who = &wholist->data[wholist->number++]; + + SIGAR_SSTRCPY(who->user, username); + SIGAR_SSTRCPY(who->host, domain); + SIGAR_SSTRCPY(who->device, "console"); + + get_logon_info(users, subkey, who); + } + + LocalFree(sid); + } + + RegCloseKey(users); + + return SIGAR_OK; +} + +#define sigar_WTSEnumerateSessions \ + sigar->wtsapi.enum_sessions.func + +#define sigar_WTSFreeMemory \ + sigar->wtsapi.free_mem.func + +#define sigar_WTSQuerySessionInformation \ + sigar->wtsapi.query_session.func + +#define sigar_WinStationQueryInformation \ + sigar->winsta.query_info.func + +static int sigar_who_wts(sigar_t *sigar, + sigar_who_list_t *wholist) +{ + DWORD count=0, i; + WTS_SESSION_INFO *sessions = NULL; + + if (DLLMOD_INIT(wtsapi, TRUE) != SIGAR_OK) { + sigar_log(sigar, SIGAR_LOG_DEBUG, + "Terminal Services api functions not available"); + return ENOENT; + } + + DLLMOD_INIT(winsta, FALSE); + + if (!sigar_WTSEnumerateSessions(0, 0, 1, &sessions, &count)) { + return GetLastError(); + } + + for (i=0; idata[wholist->number++]; + + SIGAR_SSTRCPY(who->device, sessions[i].pWinStationName); + + buffer = NULL; + bytes = 0; + if (sigar_WTSQuerySessionInformation(0, + sessionId, + WTSClientAddress, + &buffer, + &bytes)) + { + PWTS_CLIENT_ADDRESS client = + (PWTS_CLIENT_ADDRESS)buffer; + + sprintf(who->host, "%u.%u.%u.%u", + client->Address[2], + client->Address[3], + client->Address[4], + client->Address[5]); + + sigar_WTSFreeMemory(buffer); + } + else { + SIGAR_SSTRCPY(who->host, "unknown"); + } + + buffer = NULL; + bytes = 0; + if (sigar_WTSQuerySessionInformation(0, + sessionId, + WTSUserName, + &buffer, + &bytes)) + { + SIGAR_SSTRCPY(who->user, buffer); + sigar_WTSFreeMemory(buffer); + } + else { + SIGAR_SSTRCPY(who->user, "unknown"); + } + + buffer = NULL; + bytes = 0; + if (sigar_WinStationQueryInformation && + sigar_WinStationQueryInformation(0, + sessionId, + WinStationInformation, + &station_info, + sizeof(station_info), + &bytes)) + { + who->time = + sigar_FileTimeToTime(&station_info.ConnectTime) / 1000000; + } + else { + who->time = 0; + } + } + + sigar_WTSFreeMemory(sessions); + + return SIGAR_OK; +} + +int sigar_who_list_get_win32(sigar_t *sigar, + sigar_who_list_t *wholist) +{ + sigar_who_net_sessions(sigar, wholist); + + sigar_who_registry(sigar, wholist); + + sigar_who_wts(sigar, wholist); + + return SIGAR_OK; +} + +/* see: http://msdn2.microsoft.com/en-us/library/ms724833.aspx */ +#ifndef VER_NT_WORKSTATION +#define VER_NT_WORKSTATION 0x0000001 +#endif + +#ifdef SIGAR_USING_MSC6 +#define sigar_wProductType wReserved[1] +#else +#define sigar_wProductType wProductType +#endif +#ifdef _M_X64 +#define SIGAR_ARCH "x64" +#else +#define SIGAR_ARCH "x86" +#endif + +int sigar_os_sys_info_get(sigar_t *sigar, + sigar_sys_info_t *sysinfo) +{ + OSVERSIONINFOEX version; + char *vendor_name, *vendor_version, *code_name=NULL; + + version.dwOSVersionInfoSize = sizeof(version); + GetVersionEx((OSVERSIONINFO *)&version); + + if (version.dwMajorVersion == 4) { + vendor_name = "Windows NT"; + vendor_version = "NT"; + } + else if (version.dwMajorVersion == 5) { + switch (version.dwMinorVersion) { + case 0: + vendor_name = "Windows 2000"; + vendor_version = "2000"; + break; + case 1: + vendor_name = "Windows XP"; + vendor_version = "XP"; + code_name = "Whistler"; + break; + case 2: + vendor_name = "Windows 2003"; + vendor_version = "2003"; + code_name = "Whistler Server"; + break; + default: + vendor_name = "Windows Unknown"; + break; + } + } + else if (version.dwMajorVersion == 6) { + if (version.sigar_wProductType == VER_NT_WORKSTATION) { + if (version.dwMinorVersion == 0) { + vendor_name = "Windows Vista"; + vendor_version = "Vista"; + code_name = "Longhorn"; + } + else { + vendor_name = "Windows 7"; + vendor_version = "7"; + code_name = "Vienna"; + } + } + else { + vendor_name = "Windows 2008"; + vendor_version = "2008"; + code_name = "Longhorn Server"; + } + } + + SIGAR_SSTRCPY(sysinfo->name, "Win32"); + SIGAR_SSTRCPY(sysinfo->vendor, "Microsoft"); + SIGAR_SSTRCPY(sysinfo->vendor_name, vendor_name); + SIGAR_SSTRCPY(sysinfo->vendor_version, vendor_version); + if (code_name) { + SIGAR_SSTRCPY(sysinfo->vendor_code_name, code_name); + } + + SIGAR_SSTRCPY(sysinfo->arch, SIGAR_ARCH); + + sprintf(sysinfo->version, "%d.%d", + version.dwMajorVersion, + version.dwMinorVersion); + + SIGAR_SSTRCPY(sysinfo->patch_level, + version.szCSDVersion); + + sprintf(sysinfo->description, "%s %s", + sysinfo->vendor, sysinfo->vendor_name); + + return SIGAR_OK; +} + +#define sigar_QueryServiceStatusEx \ + sigar->advapi.query_service_status.func + +int sigar_service_pid_get(sigar_t *sigar, char *name, sigar_pid_t *pid) +{ + DWORD rc = ERROR_SUCCESS, len; + SC_HANDLE mgr; + HANDLE svc; + SERVICE_STATUS_PROCESS status; + + if (!sigar_QueryServiceStatusEx) { + return SIGAR_ENOTIMPL; + } + + mgr = OpenSCManager(NULL, + SERVICES_ACTIVE_DATABASE, + SC_MANAGER_ALL_ACCESS); + + if (!mgr) { + return GetLastError(); + } + + if (!(svc = OpenService(mgr, name, SERVICE_ALL_ACCESS))) { + CloseServiceHandle(mgr); + return GetLastError(); + } + + if (sigar_QueryServiceStatusEx(svc, + SC_STATUS_PROCESS_INFO, + (LPBYTE)&status, + sizeof(status), &len)) + { + *pid = status.dwProcessId; + } + else { + *pid = -1; + rc = GetLastError(); + } + + CloseServiceHandle(svc); + CloseServiceHandle(mgr); + + return rc; +} + +int sigar_services_status_get(sigar_services_status_t *ss, DWORD state) +{ + DWORD bytes, resume=0; + BOOL retval; + + if (!ss->handle) { + ss->handle = + OpenSCManager(NULL, NULL, SC_MANAGER_ENUMERATE_SERVICE); + if (!ss->handle) { + return GetLastError(); + } + } + + retval = EnumServicesStatus(ss->handle, + SERVICE_WIN32, state, + ss->services, ss->size, + &bytes, &ss->count, &resume); + if (retval == FALSE) { + DWORD err = GetLastError(); + if (err != ERROR_MORE_DATA) { + return err; + } + + ss->services = realloc(ss->services, bytes); + ss->size = bytes; + + retval = EnumServicesStatus(ss->handle, + SERVICE_WIN32, state, + ss->services, ss->size, + &bytes, &ss->count, &resume); + + if (retval == FALSE) { + return GetLastError(); + } + } + + return SIGAR_OK; +} + +void sigar_services_status_close(sigar_services_status_t *ss) +{ + if (ss->handle) { + CloseServiceHandle(ss->handle); + } + if (ss->size) { + free(ss->services); + } + SIGAR_ZERO(ss); +} + +/* extract exe from QUERY_SERVICE_CONFIG.lpBinaryPathName + * leaves behind command-line arguments and quotes (if any) + */ +char *sigar_service_exe_get(char *path, char *buffer, int basename) +{ + char *ptr; + + if (path) { + strncpy(buffer, path, SIGAR_CMDLINE_MAX); + } + path = buffer; + + if (*path == '"') { + ++path; + if ((ptr = strchr(path, '"'))) { + *ptr = '\0'; + } + } + else { + ptr = sigar_strcasestr(path, ".exe"); + + if (ptr) { + *(ptr+4) = '\0'; + } + else { + if ((ptr = strchr(path, ' '))) { + *ptr = '\0'; + } + } + } + + if (basename && (ptr = strrchr(path, '\\'))) { + path = ++ptr; + } + + return path; +} + +static char *string_file_info_keys[] = { + "Comments", + "CompanyName", + "FileDescription", + "FileVersion", + "InternalName", + "LegalCopyright", + "LegalTrademarks", + "OriginalFilename", + "ProductName", + "ProductVersion", + "PrivateBuild", + "SpecialBuild", + NULL +}; + +int sigar_file_version_get(sigar_file_version_t *version, + char *name, + sigar_proc_env_t *infocb) +{ + DWORD handle, len; + LPTSTR data; + VS_FIXEDFILEINFO *info; + int status; + + if (!(len = GetFileVersionInfoSize(name, &handle))) { + return GetLastError(); + } + + if (len == 0) { + return !SIGAR_OK; + } + data = malloc(len); + + if (GetFileVersionInfo(name, handle, len, data)) { + if (VerQueryValue(data, "\\", &info, &len)) { + version->product_major = HIWORD(info->dwProductVersionMS); + version->product_minor = LOWORD(info->dwProductVersionMS); + version->product_build = HIWORD(info->dwProductVersionLS); + version->product_revision = LOWORD(info->dwProductVersionLS); + version->file_major = HIWORD(info->dwFileVersionMS); + version->file_minor = LOWORD(info->dwFileVersionMS); + version->file_build = HIWORD(info->dwFileVersionLS); + version->file_revision = LOWORD(info->dwFileVersionLS); + status = SIGAR_OK; + } + else { + status = GetLastError(); + } + } + else { + status = GetLastError(); + } + + if (infocb && (status == SIGAR_OK)) { + struct { + WORD lang; + WORD code_page; + } *trans; + + if (VerQueryValue(data, "\\VarFileInfo\\Translation", + &trans, &len)) + { + int i; + char buf[1024]; + void *ptr; + + for (i=0; string_file_info_keys[i]; i++) { + char *key = string_file_info_keys[i]; + sprintf(buf, "\\StringFileInfo\\%04x%04x\\%s", + trans[0].lang, trans[0].code_page, + key); + if (VerQueryValue(data, buf, &ptr, &len)) { + if (len == 0) { + continue; + } + infocb->env_getter(infocb->data, + key, strlen(key), + (char *)ptr, len); + } + } + } + } + + free(data); + return status; +} diff --git a/vendor/sigar/src/os/win32/wmi.cpp b/vendor/sigar/src/os/win32/wmi.cpp new file mode 100644 index 0000000..bc1019d --- /dev/null +++ b/vendor/sigar/src/os/win32/wmi.cpp @@ -0,0 +1,243 @@ +/* + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2009 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define UNICODE +#define _UNICODE +#define _WIN32_DCOM + +#include +#include +#include +#include +#include "sigar.h" + +#pragma comment(lib, "wbemuuid.lib") + +#ifndef SIGAR_CMDLINE_MAX +#define SIGAR_CMDLINE_MAX 4096<<2 +#endif + +class WMI { + + public: + WMI(); + ~WMI(); + HRESULT Open(LPCTSTR machine=NULL, LPCTSTR user=NULL, LPCTSTR pass=NULL); + void Close(); + HRESULT GetProcStringProperty(DWORD pid, TCHAR *name, TCHAR *value, DWORD len); + HRESULT GetProcExecutablePath(DWORD pid, TCHAR *value); + HRESULT GetProcCommandLine(DWORD pid, TCHAR *value); + int GetLastError(); + + private: + IWbemServices *wbem; + HRESULT result; + BSTR GetProcQuery(DWORD pid); +}; + +WMI::WMI() +{ + wbem = NULL; + result = S_OK; + CoInitializeEx(NULL, COINIT_MULTITHREADED); +} + +WMI::~WMI() +{ + Close(); + CoUninitialize(); +} + +/* XXX must be a better way to map HRESULT */ +int WMI::GetLastError() +{ + switch (result) { + case S_OK: + return ERROR_SUCCESS; + case WBEM_E_NOT_FOUND: + return ERROR_NOT_FOUND; + case WBEM_E_ACCESS_DENIED: + return ERROR_ACCESS_DENIED; + case WBEM_E_NOT_SUPPORTED: + return SIGAR_ENOTIMPL; + default: + return ERROR_INVALID_FUNCTION; + } +} + +HRESULT WMI::Open(LPCTSTR machine, LPCTSTR user, LPCTSTR pass) +{ + IWbemLocator *locator; + wchar_t path[MAX_PATH]; + + if (wbem) { + result = S_OK; + return result; + } + + result = + CoInitializeSecurity(NULL, //Security Descriptor + -1, //COM authentication + NULL, //Authentication services + NULL, //Reserved + RPC_C_AUTHN_LEVEL_DEFAULT, //Default authentication + RPC_C_IMP_LEVEL_IMPERSONATE, //Default Impersonation + NULL, //Authentication info + EOAC_NONE, //Additional capabilities + NULL); //Reserved + + result = CoCreateInstance(CLSID_WbemLocator, + NULL, /* IUnknown */ + CLSCTX_INPROC_SERVER, + IID_IWbemLocator, + (LPVOID *)&locator); + + if (FAILED(result)) { + return result; + } + + if (machine == NULL) { + machine = L"."; + } + + wsprintf(path, L"\\\\%S\\ROOT\\CIMV2", machine); + + result = locator->ConnectServer(bstr_t(path), //Object path of WMI namespace + bstr_t(user), //User name. NULL = current user + bstr_t(pass), //User password. NULL = current + NULL, //Locale. NULL indicates current + 0, //Security flags + NULL, //Authority (e.g. Kerberos) + NULL, //Context object + &wbem); //pointer to IWbemServices proxy + + locator->Release(); + + return result; +} + +void WMI::Close() +{ + if (wbem) { + wbem->Release(); + wbem = NULL; + result = S_OK; + } +} + +BSTR WMI::GetProcQuery(DWORD pid) +{ + wchar_t query[56]; + wsprintf(query, L"Win32_Process.Handle=%d", pid); + return bstr_t(query); +} + +HRESULT WMI::GetProcStringProperty(DWORD pid, TCHAR *name, TCHAR *value, DWORD len) +{ + IWbemClassObject *obj; + VARIANT var; + + result = wbem->GetObject(GetProcQuery(pid), 0, 0, &obj, 0); + + if (FAILED(result)) { + return result; + } + + result = obj->Get(name, 0, &var, 0, 0); + + if (SUCCEEDED(result)) { + if (var.vt == VT_NULL) { + result = E_INVALIDARG; + } + else { + lstrcpyn(value, var.bstrVal, len); + } + VariantClear(&var); + } + + obj->Release(); + + return result; +} + +HRESULT WMI::GetProcExecutablePath(DWORD pid, TCHAR *value) +{ + return GetProcStringProperty(pid, L"ExecutablePath", value, MAX_PATH); +} + +HRESULT WMI::GetProcCommandLine(DWORD pid, TCHAR *value) +{ + return GetProcStringProperty(pid, L"CommandLine", value, SIGAR_CMDLINE_MAX); +} + +/* in peb.c */ +extern "C" int sigar_parse_proc_args(sigar_t *sigar, WCHAR *buf, + sigar_proc_args_t *procargs); + +extern "C" int sigar_proc_args_wmi_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs) +{ + int status; + TCHAR buf[SIGAR_CMDLINE_MAX]; + WMI *wmi = new WMI(); + + if (FAILED(wmi->Open())) { + return wmi->GetLastError(); + } + + if (FAILED(wmi->GetProcCommandLine(pid, buf))) { + status = wmi->GetLastError(); + } + else { + status = sigar_parse_proc_args(sigar, buf, procargs); + } + + wmi->Close(); + delete wmi; + + return status; +} + +extern "C" int sigar_proc_exe_wmi_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_exe_t *procexe) +{ + int status; + TCHAR buf[MAX_PATH+1]; + WMI *wmi = new WMI(); + + if (FAILED(wmi->Open())) { + return wmi->GetLastError(); + } + + procexe->name[0] = '\0'; + + if (FAILED(wmi->GetProcExecutablePath(pid, buf))) { + status = wmi->GetLastError(); + } + else { + status = SIGAR_OK; + /* SIGAR_W2A(buf, procexe->name, sizeof(procexe->name)); */ + WideCharToMultiByte(CP_ACP, 0, buf, -1, + (LPSTR)procexe->name, sizeof(procexe->name), + NULL, NULL); + } + + wmi->Close(); + delete wmi; + + return status; +} diff --git a/vendor/sigar/src/sigar.c b/vendor/sigar/src/sigar.c new file mode 100644 index 0000000..8bd7e91 --- /dev/null +++ b/vendor/sigar/src/sigar.c @@ -0,0 +1,2428 @@ +/* + * Copyright (c) 2004-2009 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2009-2010 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include +#include + +#ifndef WIN32 +#include +#include +#include +#endif +#if defined(__OpenBSD__) || defined(__FreeBSD__) +#include +#endif +#ifndef WIN32 +#include +#endif + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_util.h" +#include "sigar_os.h" +#include "sigar_format.h" + +SIGAR_DECLARE(int) sigar_open(sigar_t **sigar) +{ + int status = sigar_os_open(sigar); + + if (status == SIGAR_OK) { + /* use env to revert to old behavior */ + (*sigar)->cpu_list_cores = getenv("SIGAR_CPU_LIST_SOCKETS") ? 0 : 1; + (*sigar)->pid = 0; + (*sigar)->ifconf_buf = NULL; + (*sigar)->ifconf_len = 0; + (*sigar)->log_level = -1; /* log nothing by default */ + (*sigar)->log_impl = NULL; + (*sigar)->log_data = NULL; + (*sigar)->ptql_re_impl = NULL; + (*sigar)->ptql_re_data = NULL; + (*sigar)->self_path = NULL; + (*sigar)->fsdev = NULL; + (*sigar)->pids = NULL; + (*sigar)->proc_cpu = NULL; + (*sigar)->net_listen = NULL; + (*sigar)->net_services_tcp = NULL; + (*sigar)->net_services_udp = NULL; + } + + return status; +} + +SIGAR_DECLARE(int) sigar_close(sigar_t *sigar) +{ + if (sigar->ifconf_buf) { + free(sigar->ifconf_buf); + } + if (sigar->self_path) { + free(sigar->self_path); + } + if (sigar->pids) { + sigar_proc_list_destroy(sigar, sigar->pids); + free(sigar->pids); + } + if (sigar->fsdev) { + sigar_cache_destroy(sigar->fsdev); + } + if (sigar->proc_cpu) { + sigar_cache_destroy(sigar->proc_cpu); + } + if (sigar->net_listen) { + sigar_cache_destroy(sigar->net_listen); + } + if (sigar->net_services_tcp) { + sigar_cache_destroy(sigar->net_services_tcp); + } + if (sigar->net_services_udp) { + sigar_cache_destroy(sigar->net_services_udp); + } + + return sigar_os_close(sigar); +} + +#ifndef __linux__ /* linux has a special case */ +SIGAR_DECLARE(sigar_pid_t) sigar_pid_get(sigar_t *sigar) +{ + if (!sigar->pid) { + sigar->pid = getpid(); + } + + return sigar->pid; +} +#endif + +/* XXX: add clear() function */ +/* XXX: check for stale-ness using start_time */ +SIGAR_DECLARE(int) sigar_proc_cpu_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_cpu_t *proccpu) +{ + sigar_cache_entry_t *entry; + sigar_proc_cpu_t *prev; + sigar_uint64_t otime, time_now = sigar_time_now_millis(); + sigar_uint64_t time_diff, total_diff; + int status; + + if (!sigar->proc_cpu) { + sigar->proc_cpu = sigar_cache_new(128); + } + + entry = sigar_cache_get(sigar->proc_cpu, pid); + if (entry->value) { + prev = (sigar_proc_cpu_t *)entry->value; + } + else { + prev = entry->value = malloc(sizeof(*prev)); + SIGAR_ZERO(prev); + } + + time_diff = time_now - prev->last_time; + proccpu->last_time = prev->last_time = time_now; + + if (time_diff == 0) { + /* we were just called within < 1 second ago. */ + memcpy(proccpu, prev, sizeof(*proccpu)); + return SIGAR_OK; + } + + otime = prev->total; + + status = + sigar_proc_time_get(sigar, pid, + (sigar_proc_time_t *)proccpu); + + if (status != SIGAR_OK) { + return status; + } + + memcpy(prev, proccpu, sizeof(*prev)); + + if (proccpu->total < otime) { + /* XXX this should not happen */ + otime = 0; + } + + if (otime == 0) { + proccpu->percent = 0.0; + /* first time called */ + return SIGAR_OK; + } + + total_diff = proccpu->total - otime; + proccpu->percent = total_diff / (double)time_diff; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_proc_stat_get(sigar_t *sigar, + sigar_proc_stat_t *procstat) +{ + int status, i; + sigar_proc_list_t *pids; + + SIGAR_ZERO(procstat); + procstat->threads = SIGAR_FIELD_NOTIMPL; + + if ((status = sigar_proc_list_get(sigar, NULL)) != SIGAR_OK) { + return status; + } + + pids = sigar->pids; + procstat->total = pids->number; + + for (i=0; inumber; i++) { + sigar_proc_state_t state; + + status = sigar_proc_state_get(sigar, pids->data[i], &state); + if (status != SIGAR_OK) { + continue; + } + + if (state.threads != SIGAR_FIELD_NOTIMPL) { + procstat->threads += state.threads; + } + + switch (state.state) { + case SIGAR_PROC_STATE_IDLE: + procstat->idle++; + break; + case SIGAR_PROC_STATE_RUN: + procstat->running++; + break; + case SIGAR_PROC_STATE_SLEEP: + procstat->sleeping++; + break; + case SIGAR_PROC_STATE_STOP: + procstat->stopped++; + break; + case SIGAR_PROC_STATE_ZOMBIE: + procstat->zombie++; + break; + default: + break; + } + } + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_sys_info_get(sigar_t *sigar, + sigar_sys_info_t *sysinfo) +{ + SIGAR_ZERO(sysinfo); + +#ifndef WIN32 + sigar_sys_info_get_uname(sysinfo); +#endif + + sigar_os_sys_info_get(sigar, sysinfo); + + return SIGAR_OK; +} + +#ifndef WIN32 + +#include + +int sigar_sys_info_get_uname(sigar_sys_info_t *sysinfo) +{ + struct utsname name; + + uname(&name); + + SIGAR_SSTRCPY(sysinfo->version, name.release); + SIGAR_SSTRCPY(sysinfo->vendor_name, name.sysname); + SIGAR_SSTRCPY(sysinfo->name, name.sysname); + SIGAR_SSTRCPY(sysinfo->machine, name.machine); + SIGAR_SSTRCPY(sysinfo->arch, name.machine); + SIGAR_SSTRCPY(sysinfo->patch_level, "unknown"); + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) +sigar_proc_cred_name_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_cred_name_t *proccredname) +{ + sigar_proc_cred_t cred; + + int status = sigar_proc_cred_get(sigar, pid, &cred); + + if (status != SIGAR_OK) { + return status; + } + + status = sigar_user_name_get(sigar, cred.uid, + proccredname->user, + sizeof(proccredname->user)); + + if (status != SIGAR_OK) { + return status; + } + + status = sigar_group_name_get(sigar, cred.gid, + proccredname->group, + sizeof(proccredname->group)); + + return status; +} + +#endif /* WIN32 */ + +int sigar_proc_list_create(sigar_proc_list_t *proclist) +{ + proclist->number = 0; + proclist->size = SIGAR_PROC_LIST_MAX; + proclist->data = malloc(sizeof(*(proclist->data)) * + proclist->size); + return SIGAR_OK; +} + +int sigar_proc_list_grow(sigar_proc_list_t *proclist) +{ + proclist->data = realloc(proclist->data, + sizeof(*(proclist->data)) * + (proclist->size + SIGAR_PROC_LIST_MAX)); + proclist->size += SIGAR_PROC_LIST_MAX; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_proc_list_destroy(sigar_t *sigar, + sigar_proc_list_t *proclist) +{ + if (proclist->size) { + free(proclist->data); + proclist->number = proclist->size = 0; + } + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_proc_list_get(sigar_t *sigar, + sigar_proc_list_t *proclist) +{ + if (proclist == NULL) { + /* internal re-use */ + if (sigar->pids == NULL) { + sigar->pids = malloc(sizeof(*sigar->pids)); + sigar_proc_list_create(sigar->pids); + } + else { + sigar->pids->number = 0; + } + proclist = sigar->pids; + } + else { + sigar_proc_list_create(proclist); + } + + return sigar_os_proc_list_get(sigar, proclist); +} + +int sigar_proc_args_create(sigar_proc_args_t *procargs) +{ + procargs->number = 0; + procargs->size = SIGAR_PROC_ARGS_MAX; + procargs->data = malloc(sizeof(*(procargs->data)) * + procargs->size); + return SIGAR_OK; +} + +int sigar_proc_args_grow(sigar_proc_args_t *procargs) +{ + procargs->data = realloc(procargs->data, + sizeof(*(procargs->data)) * + (procargs->size + SIGAR_PROC_ARGS_MAX)); + procargs->size += SIGAR_PROC_ARGS_MAX; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_proc_args_destroy(sigar_t *sigar, + sigar_proc_args_t *procargs) +{ + unsigned int i; + + if (procargs->size) { + for (i=0; inumber; i++) { + free(procargs->data[i]); + } + free(procargs->data); + procargs->number = procargs->size = 0; + } + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_proc_args_get(sigar_t *sigar, + sigar_pid_t pid, + sigar_proc_args_t *procargs) +{ + int status; + sigar_proc_args_create(procargs); + status = sigar_os_proc_args_get(sigar, pid, procargs); + if (status != SIGAR_OK) { + sigar_proc_args_destroy(sigar, procargs); + } + return status; +} + +int sigar_file_system_list_create(sigar_file_system_list_t *fslist) +{ + fslist->number = 0; + fslist->size = SIGAR_FS_MAX; + fslist->data = malloc(sizeof(*(fslist->data)) * + fslist->size); + return SIGAR_OK; +} + +int sigar_file_system_list_grow(sigar_file_system_list_t *fslist) +{ + fslist->data = realloc(fslist->data, + sizeof(*(fslist->data)) * + (fslist->size + SIGAR_FS_MAX)); + fslist->size += SIGAR_FS_MAX; + + return SIGAR_OK; +} + +/* indexed with sigar_file_system_type_e */ +static const char *fstype_names[] = { + "unknown", "none", "local", "remote", "ram", "cdrom", "swap" +}; + +static int sigar_common_fs_type_get(sigar_file_system_t *fsp) +{ + char *type = fsp->sys_type_name; + + switch (*type) { + case 'n': + if (strnEQ(type, "nfs", 3)) { + fsp->type = SIGAR_FSTYPE_NETWORK; + } + break; + case 's': + if (strEQ(type, "smbfs")) { /* samba */ + fsp->type = SIGAR_FSTYPE_NETWORK; + } + else if (strEQ(type, "swap")) { + fsp->type = SIGAR_FSTYPE_SWAP; + } + break; + case 'a': + if (strEQ(type, "afs")) { + fsp->type = SIGAR_FSTYPE_NETWORK; + } + break; + case 'i': + if (strEQ(type, "iso9660")) { + fsp->type = SIGAR_FSTYPE_CDROM; + } + break; + case 'c': + if (strEQ(type, "cvfs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + else if (strEQ(type, "cifs")) { + fsp->type = SIGAR_FSTYPE_NETWORK; + } + break; + case 'm': + if (strEQ(type, "msdos") || strEQ(type, "minix")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'h': + if (strEQ(type, "hpfs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'v': + if (strEQ(type, "vxfs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + else if (strEQ(type, "vfat")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + case 'z': + if (strEQ(type, "zfs")) { + fsp->type = SIGAR_FSTYPE_LOCAL_DISK; + } + break; + } + + return fsp->type; +} + +void sigar_fs_type_get(sigar_file_system_t *fsp) +{ + if (!(fsp->type || /* already set */ + sigar_os_fs_type_get(fsp) || /* try os specifics first */ + sigar_common_fs_type_get(fsp))) /* try common ones last */ + { + fsp->type = SIGAR_FSTYPE_NONE; + } + + if (fsp->type >= SIGAR_FSTYPE_MAX) { + fsp->type = SIGAR_FSTYPE_NONE; + } + + strcpy(fsp->type_name, fstype_names[fsp->type]); +} + + +SIGAR_DECLARE(int) +sigar_file_system_list_destroy(sigar_t *sigar, + sigar_file_system_list_t *fslist) +{ + if (fslist->size) { + free(fslist->data); + fslist->number = fslist->size = 0; + } + + return SIGAR_OK; +} + +#ifndef NFS_PROGRAM +#define NFS_PROGRAM 100003 +#endif + +#ifndef NFS_VERSION +#define NFS_VERSION 2 +#endif + +SIGAR_DECLARE(int) +sigar_file_system_ping(sigar_t *sigar, + sigar_file_system_t *fs) +{ + int status = SIGAR_OK; +#ifndef WIN32 + char *ptr; + + if ((fs->type == SIGAR_FSTYPE_NETWORK) && + strEQ(fs->sys_type_name, "nfs") && + (ptr = strchr(fs->dev_name, ':'))) + { + *ptr = '\0'; /* "hostname:/mount" -> "hostname" */ + + status = sigar_rpc_ping(fs->dev_name, + SIGAR_NETCONN_UDP, + NFS_PROGRAM, NFS_VERSION); + + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[fs_ping] %s -> %s: %s", + fs->dir_name, fs->dev_name, + ((status == SIGAR_OK) ? + "OK" : sigar_rpc_strerror(status))); + } + + *ptr = ':'; /* "hostname" -> "hostname:/mount" */ + } +#endif + return status; +} + +int sigar_cpu_info_list_create(sigar_cpu_info_list_t *cpu_infos) +{ + cpu_infos->number = 0; + cpu_infos->size = SIGAR_CPU_INFO_MAX; + cpu_infos->data = malloc(sizeof(*(cpu_infos->data)) * + cpu_infos->size); + return SIGAR_OK; +} + +int sigar_cpu_info_list_grow(sigar_cpu_info_list_t *cpu_infos) +{ + cpu_infos->data = realloc(cpu_infos->data, + sizeof(*(cpu_infos->data)) * + (cpu_infos->size + SIGAR_CPU_INFO_MAX)); + cpu_infos->size += SIGAR_CPU_INFO_MAX; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) +sigar_cpu_info_list_destroy(sigar_t *sigar, + sigar_cpu_info_list_t *cpu_infos) +{ + if (cpu_infos->size) { + free(cpu_infos->data); + cpu_infos->number = cpu_infos->size = 0; + } + + return SIGAR_OK; +} + +int sigar_cpu_list_create(sigar_cpu_list_t *cpulist) +{ + cpulist->number = 0; + cpulist->size = SIGAR_CPU_INFO_MAX; + cpulist->data = malloc(sizeof(*(cpulist->data)) * + cpulist->size); + return SIGAR_OK; +} + +int sigar_cpu_list_grow(sigar_cpu_list_t *cpulist) +{ + cpulist->data = realloc(cpulist->data, + sizeof(*(cpulist->data)) * + (cpulist->size + SIGAR_CPU_INFO_MAX)); + cpulist->size += SIGAR_CPU_INFO_MAX; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_cpu_list_destroy(sigar_t *sigar, + sigar_cpu_list_t *cpulist) +{ + if (cpulist->size) { + free(cpulist->data); + cpulist->number = cpulist->size = 0; + } + + return SIGAR_OK; +} + +int sigar_net_route_list_create(sigar_net_route_list_t *routelist) +{ + routelist->number = 0; + routelist->size = SIGAR_NET_ROUTE_LIST_MAX; + routelist->data = malloc(sizeof(*(routelist->data)) * + routelist->size); + return SIGAR_OK; +} + +int sigar_net_route_list_grow(sigar_net_route_list_t *routelist) +{ + routelist->data = + realloc(routelist->data, + sizeof(*(routelist->data)) * + (routelist->size + SIGAR_NET_ROUTE_LIST_MAX)); + routelist->size += SIGAR_NET_ROUTE_LIST_MAX; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_net_route_list_destroy(sigar_t *sigar, + sigar_net_route_list_t *routelist) +{ + if (routelist->size) { + free(routelist->data); + routelist->number = routelist->size = 0; + } + + return SIGAR_OK; +} + +int sigar_net_interface_list_create(sigar_net_interface_list_t *iflist) +{ + iflist->number = 0; + iflist->size = SIGAR_NET_IFLIST_MAX; + iflist->data = malloc(sizeof(*(iflist->data)) * + iflist->size); + return SIGAR_OK; +} + +int sigar_net_interface_list_grow(sigar_net_interface_list_t *iflist) +{ + iflist->data = realloc(iflist->data, + sizeof(*(iflist->data)) * + (iflist->size + SIGAR_NET_IFLIST_MAX)); + iflist->size += SIGAR_NET_IFLIST_MAX; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) +sigar_net_interface_list_destroy(sigar_t *sigar, + sigar_net_interface_list_t *iflist) +{ + unsigned int i; + + if (iflist->size) { + for (i=0; inumber; i++) { + free(iflist->data[i]); + } + free(iflist->data); + iflist->number = iflist->size = 0; + } + + return SIGAR_OK; +} + +int sigar_net_connection_list_create(sigar_net_connection_list_t *connlist) +{ + connlist->number = 0; + connlist->size = SIGAR_NET_CONNLIST_MAX; + connlist->data = malloc(sizeof(*(connlist->data)) * + connlist->size); + return SIGAR_OK; +} + +int sigar_net_connection_list_grow(sigar_net_connection_list_t *connlist) +{ + connlist->data = + realloc(connlist->data, + sizeof(*(connlist->data)) * + (connlist->size + SIGAR_NET_CONNLIST_MAX)); + connlist->size += SIGAR_NET_CONNLIST_MAX; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) +sigar_net_connection_list_destroy(sigar_t *sigar, + sigar_net_connection_list_t *connlist) +{ + if (connlist->size) { + free(connlist->data); + connlist->number = connlist->size = 0; + } + + return SIGAR_OK; +} + +#if !defined(__linux__) +/* + * implement sigar_net_connection_list_get using sigar_net_connection_walk + * linux has its own list_get impl. + */ +static int net_connection_list_walker(sigar_net_connection_walker_t *walker, + sigar_net_connection_t *conn) +{ + sigar_net_connection_list_t *connlist = + (sigar_net_connection_list_t *)walker->data; + + SIGAR_NET_CONNLIST_GROW(connlist); + memcpy(&connlist->data[connlist->number++], + conn, sizeof(*conn)); + + return SIGAR_OK; /* continue loop */ +} + +SIGAR_DECLARE(int) +sigar_net_connection_list_get(sigar_t *sigar, + sigar_net_connection_list_t *connlist, + int flags) +{ + int status; + sigar_net_connection_walker_t walker; + + sigar_net_connection_list_create(connlist); + + walker.sigar = sigar; + walker.flags = flags; + walker.data = connlist; + walker.add_connection = net_connection_list_walker; + + status = sigar_net_connection_walk(&walker); + + if (status != SIGAR_OK) { + sigar_net_connection_list_destroy(sigar, connlist); + } + + return status; +} +#endif + +static void sigar_net_listen_address_add(sigar_t *sigar, + sigar_net_connection_t *conn) +{ + sigar_cache_entry_t *entry = + sigar_cache_get(sigar->net_listen, conn->local_port); + + if (entry->value) { + if (conn->local_address.family == SIGAR_AF_INET6) { + return; /* prefer ipv4 */ + } + } + else { + entry->value = malloc(sizeof(conn->local_address)); + } + + memcpy(entry->value, &conn->local_address, + sizeof(conn->local_address)); +} + +SIGAR_DECLARE(int) +sigar_net_listen_address_get(sigar_t *sigar, + unsigned long port, + sigar_net_address_t *address) +{ + if (!sigar->net_listen || + !sigar_cache_find(sigar->net_listen, port)) + { + sigar_net_stat_t netstat; + int status = + sigar_net_stat_get(sigar, &netstat, + SIGAR_NETCONN_SERVER|SIGAR_NETCONN_TCP); + + if (status != SIGAR_OK) { + return status; + } + } + + if (sigar_cache_find(sigar->net_listen, port)) { + void *value = sigar_cache_get(sigar->net_listen, port)->value; + memcpy(address, value, sizeof(*address)); + return SIGAR_OK; + } + else { + return ENOENT; + } +} + +typedef struct { + sigar_net_stat_t *netstat; + sigar_net_connection_list_t *connlist; +} net_stat_getter_t; + +static int net_stat_walker(sigar_net_connection_walker_t *walker, + sigar_net_connection_t *conn) +{ + int state = conn->state; + sigar_cache_t *listen_ports = walker->sigar->net_listen; + net_stat_getter_t *getter = + (net_stat_getter_t *)walker->data; + + if (conn->type == SIGAR_NETCONN_TCP) { + getter->netstat->tcp_states[state]++; + + /* XXX listen_ports may get stale */ + if (state == SIGAR_TCP_LISTEN) { + sigar_net_listen_address_add(walker->sigar, conn); + } + else { + if (sigar_cache_find(listen_ports, + conn->local_port)) + { + getter->netstat->tcp_inbound_total++; + } + else { + getter->netstat->tcp_outbound_total++; + } + } + } + else if (conn->type == SIGAR_NETCONN_UDP) { + /*XXX*/ + } + + getter->netstat->all_inbound_total = + getter->netstat->tcp_inbound_total; + + getter->netstat->all_outbound_total = + getter->netstat->tcp_outbound_total; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) +sigar_net_stat_get(sigar_t *sigar, + sigar_net_stat_t *netstat, + int flags) +{ + sigar_net_connection_walker_t walker; + net_stat_getter_t getter; + + if (!sigar->net_listen) { + sigar->net_listen = sigar_cache_new(32); + } + + SIGAR_ZERO(netstat); + + getter.netstat = netstat; + + walker.sigar = sigar; + walker.data = &getter; + walker.add_connection = net_stat_walker; + + walker.flags = flags; + + return sigar_net_connection_walk(&walker); +} + +typedef struct { + sigar_net_stat_t *netstat; + sigar_net_address_t *address; + unsigned long port; +} net_stat_port_getter_t; + +static int net_stat_port_walker(sigar_net_connection_walker_t *walker, + sigar_net_connection_t *conn) +{ + net_stat_port_getter_t *getter = + (net_stat_port_getter_t *)walker->data; + sigar_net_stat_t *netstat = getter->netstat; + + if (conn->type == SIGAR_NETCONN_TCP) { + if (conn->local_port == getter->port) { + netstat->all_inbound_total++; + + if (sigar_net_address_equals(getter->address, + &conn->local_address) == SIGAR_OK) + { + netstat->tcp_inbound_total++; + } + } + else if (conn->remote_port == getter->port) { + netstat->all_outbound_total++; + + if (sigar_net_address_equals(getter->address, + &conn->remote_address) == SIGAR_OK) + { + netstat->tcp_outbound_total++; + } + } + else { + return SIGAR_OK; + } + + netstat->tcp_states[conn->state]++; + } + else if (conn->type == SIGAR_NETCONN_UDP) { + /*XXX*/ + } + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) +sigar_net_stat_port_get(sigar_t *sigar, + sigar_net_stat_t *netstat, + int flags, + sigar_net_address_t *address, + unsigned long port) +{ + sigar_net_connection_walker_t walker; + net_stat_port_getter_t getter; + + SIGAR_ZERO(netstat); + + getter.netstat = netstat; + getter.address = address; + getter.port = port; + + walker.sigar = sigar; + walker.data = &getter; + walker.add_connection = net_stat_port_walker; + + walker.flags = flags; + + if (SIGAR_LOG_IS_DEBUG(sigar)) { + char name[SIGAR_FQDN_LEN]; + sigar_net_address_to_string(sigar, address, name); + + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[net_stat_port] using address '%s:%d'", + name, port); + } + + return sigar_net_connection_walk(&walker); +} + +static int tcp_curr_estab_count(sigar_net_connection_walker_t *walker, + sigar_net_connection_t *conn) +{ + if ((conn->state == SIGAR_TCP_ESTABLISHED) || + (conn->state == SIGAR_TCP_CLOSE_WAIT)) + { + ((sigar_tcp_t *)walker->data)->curr_estab++; + } + + return SIGAR_OK; +} + +/* TCP-MIB::tcpCurrEstab */ +int sigar_tcp_curr_estab(sigar_t *sigar, sigar_tcp_t *tcp) +{ + sigar_net_connection_walker_t walker; + + walker.sigar = sigar; + walker.data = tcp; + walker.add_connection = tcp_curr_estab_count; + walker.flags = SIGAR_NETCONN_CLIENT|SIGAR_NETCONN_TCP; + + tcp->curr_estab = 0; + + return sigar_net_connection_walk(&walker); +} + +int sigar_arp_list_create(sigar_arp_list_t *arplist) +{ + arplist->number = 0; + arplist->size = SIGAR_ARP_LIST_MAX; + arplist->data = malloc(sizeof(*(arplist->data)) * + arplist->size); + return SIGAR_OK; +} + +int sigar_arp_list_grow(sigar_arp_list_t *arplist) +{ + arplist->data = realloc(arplist->data, + sizeof(*(arplist->data)) * + (arplist->size + SIGAR_ARP_LIST_MAX)); + arplist->size += SIGAR_ARP_LIST_MAX; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_arp_list_destroy(sigar_t *sigar, + sigar_arp_list_t *arplist) +{ + if (arplist->size) { + free(arplist->data); + arplist->number = arplist->size = 0; + } + + return SIGAR_OK; +} + +int sigar_who_list_create(sigar_who_list_t *wholist) +{ + wholist->number = 0; + wholist->size = SIGAR_WHO_LIST_MAX; + wholist->data = malloc(sizeof(*(wholist->data)) * + wholist->size); + return SIGAR_OK; +} + +int sigar_who_list_grow(sigar_who_list_t *wholist) +{ + wholist->data = realloc(wholist->data, + sizeof(*(wholist->data)) * + (wholist->size + SIGAR_WHO_LIST_MAX)); + wholist->size += SIGAR_WHO_LIST_MAX; + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_who_list_destroy(sigar_t *sigar, + sigar_who_list_t *wholist) +{ + if (wholist->size) { + free(wholist->data); + wholist->number = wholist->size = 0; + } + + return SIGAR_OK; +} + +#ifdef DARWIN +#include +#endif +#ifdef MAC_OS_X_VERSION_10_5 +# if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 +# define SIGAR_NO_UTMP +# endif +/* else 10.4 and earlier or compiled with -mmacosx-version-min=10.3 */ +#endif + +#if defined(__sun) +# include +# define SIGAR_UTMP_FILE _UTMPX_FILE +# define ut_time ut_tv.tv_sec +#elif defined(WIN32) +/* XXX may not be the default */ +#define SIGAR_UTMP_FILE "C:\\cygwin\\var\\run\\utmp" +#define UT_LINESIZE 16 +#define UT_NAMESIZE 16 +#define UT_HOSTSIZE 256 +#define UT_IDLEN 2 +#define ut_name ut_user + +struct utmp { + short ut_type; + int ut_pid; + char ut_line[UT_LINESIZE]; + char ut_id[UT_IDLEN]; + time_t ut_time; + char ut_user[UT_NAMESIZE]; + char ut_host[UT_HOSTSIZE]; + long ut_addr; +}; +#elif defined(NETWARE) +static char *getpass(const char *prompt) +{ + static char password[BUFSIZ]; + + fputs(prompt, stderr); + fgets((char *)&password, sizeof(password), stdin); + + return (char *)&password; +} +#elif !defined(SIGAR_NO_UTMP) +# include +# ifdef UTMP_FILE +# define SIGAR_UTMP_FILE UTMP_FILE +# else +# define SIGAR_UTMP_FILE _PATH_UTMP +# endif +#endif + +#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(DARWIN) +# define ut_user ut_name +#endif + +#ifdef DARWIN +/* XXX from utmpx.h; sizeof changed in 10.5 */ +/* additionally, utmpx does not work on 10.4 */ +#define SIGAR_HAS_UTMPX +#define _PATH_UTMPX "/var/run/utmpx" +#define _UTX_USERSIZE 256 /* matches MAXLOGNAME */ +#define _UTX_LINESIZE 32 +#define _UTX_IDSIZE 4 +#define _UTX_HOSTSIZE 256 +struct utmpx { + char ut_user[_UTX_USERSIZE]; /* login name */ + char ut_id[_UTX_IDSIZE]; /* id */ + char ut_line[_UTX_LINESIZE]; /* tty name */ + pid_t ut_pid; /* process id creating the entry */ + short ut_type; /* type of this entry */ + struct timeval ut_tv; /* time entry was created */ + char ut_host[_UTX_HOSTSIZE]; /* host name */ + __uint32_t ut_pad[16]; /* reserved for future use */ +}; +#define ut_xtime ut_tv.tv_sec +#define UTMPX_USER_PROCESS 7 +/* end utmpx.h */ +#define SIGAR_UTMPX_FILE _PATH_UTMPX +#endif + +#if !defined(NETWARE) && !defined(_AIX) + +#define WHOCPY(dest, src) \ + SIGAR_SSTRCPY(dest, src); \ + if (sizeof(src) < sizeof(dest)) \ + dest[sizeof(src)] = '\0' + +#ifdef SIGAR_HAS_UTMPX +static int sigar_who_utmpx(sigar_t *sigar, + sigar_who_list_t *wholist) +{ + FILE *fp; + struct utmpx ut; + + if (!(fp = fopen(SIGAR_UTMPX_FILE, "r"))) { + return errno; + } + + while (fread(&ut, sizeof(ut), 1, fp) == 1) { + sigar_who_t *who; + + if (*ut.ut_user == '\0') { + continue; + } + +#ifdef UTMPX_USER_PROCESS + if (ut.ut_type != UTMPX_USER_PROCESS) { + continue; + } +#endif + + SIGAR_WHO_LIST_GROW(wholist); + who = &wholist->data[wholist->number++]; + + WHOCPY(who->user, ut.ut_user); + WHOCPY(who->device, ut.ut_line); + WHOCPY(who->host, ut.ut_host); + + who->time = ut.ut_xtime; + } + + fclose(fp); + + return SIGAR_OK; +} +#endif + +#if defined(SIGAR_NO_UTMP) && defined(SIGAR_HAS_UTMPX) +#define sigar_who_utmp sigar_who_utmpx +#else +static int sigar_who_utmp(sigar_t *sigar, + sigar_who_list_t *wholist) +{ + FILE *fp; +#ifdef __sun + /* use futmpx w/ pid32_t for sparc64 */ + struct futmpx ut; +#else + struct utmp ut; +#endif + if (!(fp = fopen(SIGAR_UTMP_FILE, "r"))) { +#ifdef SIGAR_HAS_UTMPX + /* Darwin 10.5 */ + return sigar_who_utmpx(sigar, wholist); +#endif + return errno; + } + + while (fread(&ut, sizeof(ut), 1, fp) == 1) { + sigar_who_t *who; + + if (*ut.ut_name == '\0') { + continue; + } + +#ifdef USER_PROCESS + if (ut.ut_type != USER_PROCESS) { + continue; + } +#endif + + SIGAR_WHO_LIST_GROW(wholist); + who = &wholist->data[wholist->number++]; + + WHOCPY(who->user, ut.ut_user); + WHOCPY(who->device, ut.ut_line); + WHOCPY(who->host, ut.ut_host); + + who->time = ut.ut_time; + } + + fclose(fp); + + return SIGAR_OK; +} +#endif /* SIGAR_NO_UTMP */ +#endif /* NETWARE */ + +#if defined(WIN32) + +int sigar_who_list_get_win32(sigar_t *sigar, + sigar_who_list_t *wholist); + +SIGAR_DECLARE(int) sigar_who_list_get(sigar_t *sigar, + sigar_who_list_t *wholist) +{ + sigar_who_list_create(wholist); + + /* cygwin ssh */ + sigar_who_utmp(sigar, wholist); + + sigar_who_list_get_win32(sigar, wholist); + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_resource_limit_get(sigar_t *sigar, + sigar_resource_limit_t *rlimit) +{ + MEMORY_BASIC_INFORMATION meminfo; + memset(rlimit, 0x7fffffff, sizeof(*rlimit)); + + if (VirtualQuery((LPCVOID)&meminfo, &meminfo, sizeof(meminfo))) { + rlimit->stack_cur = + (DWORD)&meminfo - (DWORD)meminfo.AllocationBase; + rlimit->stack_max = + ((DWORD)meminfo.BaseAddress + meminfo.RegionSize) - + (DWORD)meminfo.AllocationBase; + } + + rlimit->virtual_memory_max = rlimit->virtual_memory_cur = + 0x80000000UL; + + return SIGAR_OK; +} + +#elif defined(NETWARE) +int sigar_resource_limit_get(sigar_t *sigar, + sigar_resource_limit_t *rlimit) +{ + return SIGAR_ENOTIMPL; +} + +int sigar_who_list_get(sigar_t *sigar, + sigar_who_list_t *wholist) +{ + return SIGAR_ENOTIMPL; +} +#else + +#ifndef _AIX +int sigar_who_list_get(sigar_t *sigar, + sigar_who_list_t *wholist) +{ + int status; + + sigar_who_list_create(wholist); + + status = sigar_who_utmp(sigar, wholist); + if (status != SIGAR_OK) { + sigar_who_list_destroy(sigar, wholist); + return status; + } + + return SIGAR_OK; +} +#endif + +static int sigar_get_default_gateway(sigar_t *sigar, + sigar_net_info_t *netinfo) +{ + int status, i; + sigar_net_route_list_t routelist; + + status = sigar_net_route_list_get(sigar, &routelist); + if (status != SIGAR_OK) { + return status; + } + + for (i=0; idefault_gateway); + + SIGAR_STRNCPY(netinfo->default_gateway_interface, + routelist.data[i].ifname, + sizeof(netinfo->default_gateway_interface)); + break; + } + } + + sigar_net_route_list_destroy(sigar, &routelist); + + return SIGAR_OK; +} + +int sigar_net_info_get(sigar_t *sigar, + sigar_net_info_t *netinfo) +{ + int size; + char buffer[BUFSIZ], *ptr; + FILE *fp; + + SIGAR_ZERO(netinfo); + + if ((fp = fopen("/etc/resolv.conf", "r"))) { + while ((ptr = fgets(buffer, sizeof(buffer), fp))) { + int len; + + SIGAR_SKIP_SPACE(ptr); + if ((*ptr == '#') || + !(ptr = strstr(ptr, "nameserver"))) + { + continue; + } + ptr += 10; + SIGAR_SKIP_SPACE(ptr); + + len = strlen(ptr); + ptr[len-1] = '\0'; /* chop \n */ + + if (!netinfo->primary_dns[0]) { + SIGAR_SSTRCPY(netinfo->primary_dns, ptr); + } + else if (!netinfo->secondary_dns[0]) { + SIGAR_SSTRCPY(netinfo->secondary_dns, ptr); + } + else { + break; + } + } + fclose(fp); + } /* else /etc/resolv.conf may not exist if unplugged (MacOSX) */ + + size = sizeof(netinfo->host_name)-1; + if (gethostname(netinfo->host_name, size) == 0) { + netinfo->host_name[size] = '\0'; + } + else { + netinfo->host_name[0] = '\0'; + } + + size = sizeof(netinfo->domain_name)-1; + if (getdomainname(netinfo->domain_name, size) == 0) { + netinfo->domain_name[size] = '\0'; + } + else { + netinfo->domain_name[0] = '\0'; + } + + sigar_get_default_gateway(sigar, netinfo); + + return SIGAR_OK; +} + +#include + +#define OffsetOf(structure, field) \ + (size_t)(&((structure *)NULL)->field) + +#define RlimitOffsets(field) \ + OffsetOf(sigar_resource_limit_t, field##_cur), \ + OffsetOf(sigar_resource_limit_t, field##_max) + +#define RlimitSet(structure, ptr, val) \ + *(sigar_uint64_t *)((char *)structure + (int)(long)ptr) = val + +typedef struct { + int resource; + int factor; + size_t cur; + size_t max; +} rlimit_field_t; + +#ifndef RLIMIT_RSS +#define RLIMIT_RSS (RLIM_NLIMITS+1) +#endif + +#ifndef RLIMIT_NPROC +#define RLIMIT_NPROC (RLIM_NLIMITS+2) +#endif + +#define RLIMIT_PSIZE (RLIM_NLIMITS+3) + +#ifndef RLIMIT_AS +# if defined(RLIMIT_VMEM) +# define RLIMIT_AS RLIMIT_VMEM +# elif defined(RLIMIT_RSS) +# define RLIMIT_AS RLIMIT_RSS +# endif +#endif + +static rlimit_field_t sigar_rlimits[] = { + { RLIMIT_CPU, 1, RlimitOffsets(cpu) }, + { RLIMIT_FSIZE, 1024, RlimitOffsets(file_size) }, + { RLIMIT_DATA, 1024, RlimitOffsets(data) }, + { RLIMIT_STACK, 1024, RlimitOffsets(stack) }, + { RLIMIT_PSIZE, 512, RlimitOffsets(pipe_size) }, + { RLIMIT_CORE, 1024, RlimitOffsets(core) }, + { RLIMIT_RSS, 1024, RlimitOffsets(memory) }, + { RLIMIT_NPROC, 1, RlimitOffsets(processes) }, + { RLIMIT_NOFILE, 1, RlimitOffsets(open_files) }, + { RLIMIT_AS, 1024, RlimitOffsets(virtual_memory) }, + { -1 } +}; + +#define RlimitScale(val) \ + if (val != RLIM_INFINITY) val /= r->factor + +#define RlimitHS(val) \ + rl.rlim_cur = rl.rlim_max = (val) + +int sigar_resource_limit_get(sigar_t *sigar, + sigar_resource_limit_t *rlimit) +{ + int i; + + for (i=0; sigar_rlimits[i].resource != -1; i++) { + struct rlimit rl; + rlimit_field_t *r = &sigar_rlimits[i]; + + if (r->resource > RLIM_NLIMITS) { + switch (r->resource) { + case RLIMIT_NPROC: + RlimitHS(sysconf(_SC_CHILD_MAX)); + break; + case RLIMIT_PSIZE: + RlimitHS(PIPE_BUF/512); + break; + default: + RlimitHS(RLIM_INFINITY); + break; + } + } + else if (getrlimit(r->resource, &rl) != 0) { + RlimitHS(RLIM_INFINITY); + } + else { + RlimitScale(rl.rlim_cur); + RlimitScale(rl.rlim_max); + } + + RlimitSet(rlimit, r->cur, rl.rlim_cur); + RlimitSet(rlimit, r->max, rl.rlim_max); + } + + return SIGAR_OK; +} +#endif + +#if !defined(WIN32) && !defined(NETWARE) && !defined(DARWIN) && \ + !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) + +/* XXX: prolly will be moving these stuffs into os_net.c */ +#include +#include + +#ifndef SIOCGIFCONF +#include +#endif + +#if defined(_AIX) || defined(__osf__) /* good buddies */ + +#include + +static void hwaddr_aix_lookup(sigar_t *sigar, sigar_net_interface_config_t *ifconfig) +{ + char *ent, *end; + struct ifreq *ifr; + + /* XXX: assumes sigar_net_interface_list_get has been called */ + end = sigar->ifconf_buf + sigar->ifconf_len; + + for (ent = sigar->ifconf_buf; + ent < end; + ent += sizeof(*ifr)) + { + ifr = (struct ifreq *)ent; + + if (ifr->ifr_addr.sa_family != AF_LINK) { + continue; + } + + if (strEQ(ifr->ifr_name, ifconfig->name)) { + struct sockaddr_dl *sdl = (struct sockaddr_dl *)&ifr->ifr_addr; + + sigar_net_address_mac_set(ifconfig->hwaddr, + LLADDR(sdl), + sdl->sdl_alen); + return; + } + } + + sigar_hwaddr_set_null(ifconfig); +} + +#elif !defined(SIOCGIFHWADDR) + +#include + +static void hwaddr_arp_lookup(sigar_net_interface_config_t *ifconfig, int sock) +{ + struct arpreq areq; + struct sockaddr_in *sa; + + memset(&areq, 0, sizeof(areq)); + sa = (struct sockaddr_in *)&areq.arp_pa; + sa->sin_family = AF_INET; + sa->sin_addr.s_addr = ifconfig->address.addr.in; + + if (ioctl(sock, SIOCGARP, &areq) < 0) { + /* ho-hum */ + sigar_hwaddr_set_null(ifconfig); + } + else { + sigar_net_address_mac_set(ifconfig->hwaddr, + areq.arp_ha.sa_data, + SIGAR_IFHWADDRLEN); + } +} + +#endif + +#ifdef __linux__ + +#include + +#ifndef ARPHRD_CISCO /* not in 2.2 kernel headers */ +#define ARPHRD_CISCO 513 /* Cisco HDLC. */ +#endif + +static void get_interface_type(sigar_net_interface_config_t *ifconfig, + int family) +{ + char *type; + + switch (family) { + case ARPHRD_SLIP: + type = SIGAR_NIC_SLIP; + break; + case ARPHRD_CSLIP: + type = SIGAR_NIC_CSLIP; + break; + case ARPHRD_SLIP6: + type = SIGAR_NIC_SLIP6; + break; + case ARPHRD_CSLIP6: + type = SIGAR_NIC_CSLIP6; + break; + case ARPHRD_ADAPT: + type = SIGAR_NIC_ADAPTIVE; + break; + case ARPHRD_ETHER: + type = SIGAR_NIC_ETHERNET; + break; + case ARPHRD_ASH: + type = SIGAR_NIC_ASH; + break; + case ARPHRD_FDDI: + type = SIGAR_NIC_FDDI; + break; + case ARPHRD_HIPPI: + type = SIGAR_NIC_HIPPI; + break; + case ARPHRD_AX25: + type = SIGAR_NIC_AX25; + break; + case ARPHRD_ROSE: + type = SIGAR_NIC_ROSE; + break; + case ARPHRD_NETROM: + type = SIGAR_NIC_NETROM; + break; + case ARPHRD_X25: + type = SIGAR_NIC_X25; + break; + case ARPHRD_TUNNEL: + type = SIGAR_NIC_TUNNEL; + break; + case ARPHRD_PPP: + type = SIGAR_NIC_PPP; + break; + case ARPHRD_CISCO: + type = SIGAR_NIC_HDLC; + break; + case ARPHRD_LAPB: + type = SIGAR_NIC_LAPB; + break; + case ARPHRD_ARCNET: + type = SIGAR_NIC_ARCNET; + break; + case ARPHRD_DLCI: + type = SIGAR_NIC_DLCI; + break; + case ARPHRD_FRAD: + type = SIGAR_NIC_FRAD; + break; + case ARPHRD_SIT: + type = SIGAR_NIC_SIT; + break; + case ARPHRD_IRDA: + type = SIGAR_NIC_IRDA; + break; + case ARPHRD_ECONET: + type = SIGAR_NIC_EC; + break; + default: + type = SIGAR_NIC_UNSPEC; + break; + } + + SIGAR_SSTRCPY(ifconfig->type, type); +} + +#endif + +int sigar_net_interface_config_get(sigar_t *sigar, const char *name, + sigar_net_interface_config_t *ifconfig) +{ + int sock; + struct ifreq ifr; + + if (!name) { + return sigar_net_interface_config_primary_get(sigar, ifconfig); + } + + SIGAR_ZERO(ifconfig); + + if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { + return errno; + } + + SIGAR_SSTRCPY(ifconfig->name, name); + SIGAR_SSTRCPY(ifr.ifr_name, name); + +#define ifr_s_addr(ifr) \ + ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr.s_addr + + if (!ioctl(sock, SIOCGIFADDR, &ifr)) { + sigar_net_address_set(ifconfig->address, + ifr_s_addr(ifr)); + } + + if (!ioctl(sock, SIOCGIFNETMASK, &ifr)) { + sigar_net_address_set(ifconfig->netmask, + ifr_s_addr(ifr)); + } + + if (!ioctl(sock, SIOCGIFFLAGS, &ifr)) { + sigar_uint64_t flags = ifr.ifr_flags; +#ifdef __linux__ +# ifndef IFF_DYNAMIC +# define IFF_DYNAMIC 0x8000 /* not in 2.2 kernel */ +# endif /* IFF_DYNAMIC */ + int is_mcast = flags & IFF_MULTICAST; + int is_slave = flags & IFF_SLAVE; + int is_master = flags & IFF_MASTER; + int is_dynamic = flags & IFF_DYNAMIC; + /* + * XXX: should just define SIGAR_IFF_* + * and test IFF_* bits on given platform. + * this is the only diff between solaris/hpux/linux + * for the flags we care about. + * + */ + flags &= ~(IFF_MULTICAST|IFF_SLAVE|IFF_MASTER); + if (is_mcast) { + flags |= SIGAR_IFF_MULTICAST; + } + if (is_slave) { + flags |= SIGAR_IFF_SLAVE; + } + if (is_master) { + flags |= SIGAR_IFF_MASTER; + } + if (is_dynamic) { + flags |= SIGAR_IFF_DYNAMIC; + } +#endif + ifconfig->flags = flags; + } + else { + /* should always be able to get flags for existing device */ + /* other ioctls may fail if device is not enabled: ok */ + close(sock); + return errno; + } + + if (ifconfig->flags & IFF_LOOPBACK) { + sigar_net_address_set(ifconfig->destination, + ifconfig->address.addr.in); + sigar_net_address_set(ifconfig->broadcast, 0); + sigar_hwaddr_set_null(ifconfig); + SIGAR_SSTRCPY(ifconfig->type, + SIGAR_NIC_LOOPBACK); + } + else { + if (!ioctl(sock, SIOCGIFDSTADDR, &ifr)) { + sigar_net_address_set(ifconfig->destination, + ifr_s_addr(ifr)); + } + + if (!ioctl(sock, SIOCGIFBRDADDR, &ifr)) { + sigar_net_address_set(ifconfig->broadcast, + ifr_s_addr(ifr)); + } + +#if defined(SIOCGIFHWADDR) + if (!ioctl(sock, SIOCGIFHWADDR, &ifr)) { + get_interface_type(ifconfig, + ifr.ifr_hwaddr.sa_family); + sigar_net_address_mac_set(ifconfig->hwaddr, + ifr.ifr_hwaddr.sa_data, + IFHWADDRLEN); + } +#elif defined(_AIX) || defined(__osf__) + hwaddr_aix_lookup(sigar, ifconfig); + SIGAR_SSTRCPY(ifconfig->type, + SIGAR_NIC_ETHERNET); +#else + hwaddr_arp_lookup(ifconfig, sock); + SIGAR_SSTRCPY(ifconfig->type, + SIGAR_NIC_ETHERNET); +#endif + } + +#if defined(SIOCGLIFMTU) && !defined(__hpux) + { + struct lifreq lifr; + SIGAR_SSTRCPY(lifr.lifr_name, name); + if(!ioctl(sock, SIOCGLIFMTU, &lifr)) { + ifconfig->mtu = lifr.lifr_mtu; + } + } +#elif defined(SIOCGIFMTU) + if (!ioctl(sock, SIOCGIFMTU, &ifr)) { +# if defined(__hpux) + ifconfig->mtu = ifr.ifr_metric; +# else + ifconfig->mtu = ifr.ifr_mtu; +#endif + } +#else + ifconfig->mtu = 0; /*XXX*/ +#endif + + if (!ioctl(sock, SIOCGIFMETRIC, &ifr)) { + ifconfig->metric = ifr.ifr_metric ? ifr.ifr_metric : 1; + } + +#if defined(SIOCGIFTXQLEN) + if (!ioctl(sock, SIOCGIFTXQLEN, &ifr)) { + ifconfig->tx_queue_len = ifr.ifr_qlen; + } + else { + ifconfig->tx_queue_len = -1; /* net-tools behaviour */ + } +#else + ifconfig->tx_queue_len = -1; +#endif + + close(sock); + + /* XXX can we get a better description like win32? */ + SIGAR_SSTRCPY(ifconfig->description, + ifconfig->name); + + sigar_net_interface_ipv6_config_init(ifconfig); + sigar_net_interface_ipv6_config_get(sigar, name, ifconfig); + + return SIGAR_OK; +} + +#ifdef _AIX +# define MY_SIOCGIFCONF CSIOCGIFCONF +#else +# define MY_SIOCGIFCONF SIOCGIFCONF +#endif + +#ifdef __osf__ +static int sigar_netif_configured(sigar_t *sigar, char *name) +{ + int status; + sigar_net_interface_config_t ifconfig; + + status = sigar_net_interface_config_get(sigar, name, &ifconfig); + + return status == SIGAR_OK; +} +#endif + +#ifdef __linux__ +static SIGAR_INLINE int has_interface(sigar_net_interface_list_t *iflist, + char *name) +{ + register int i; + register int num = iflist->number; + register char **data = iflist->data; + for (i=0; idata[iflist->number++] = + sigar_strdup(dev); + } + + fclose(fp); + + return SIGAR_OK; +} +#endif + +int sigar_net_interface_list_get(sigar_t *sigar, + sigar_net_interface_list_t *iflist) +{ + int n, lastlen=0; + struct ifreq *ifr; + struct ifconf ifc; + int sock = socket(AF_INET, SOCK_DGRAM, 0); + + if (sock < 0) { + return errno; + } + + for (;;) { + if (!sigar->ifconf_buf || lastlen) { + sigar->ifconf_len += sizeof(struct ifreq) * SIGAR_NET_IFLIST_MAX; + sigar->ifconf_buf = realloc(sigar->ifconf_buf, sigar->ifconf_len); + } + + ifc.ifc_len = sigar->ifconf_len; + ifc.ifc_buf = sigar->ifconf_buf; + + if (ioctl(sock, MY_SIOCGIFCONF, &ifc) < 0) { + /* EINVAL should mean num_interfaces > ifc.ifc_len */ + if ((errno != EINVAL) || + (lastlen == ifc.ifc_len)) + { + free(ifc.ifc_buf); + return errno; + } + } + + if (ifc.ifc_len < sigar->ifconf_len) { + break; /* got em all */ + } + + if (ifc.ifc_len != lastlen) { + /* might be more */ + lastlen = ifc.ifc_len; + continue; + } + + break; + } + + close(sock); + + iflist->number = 0; + iflist->size = ifc.ifc_len; + iflist->data = malloc(sizeof(*(iflist->data)) * + iflist->size); + + ifr = ifc.ifc_req; + for (n = 0; n < ifc.ifc_len; n += sizeof(struct ifreq), ifr++) { +#if defined(_AIX) || defined(__osf__) /* pass the bourbon */ + if (ifr->ifr_addr.sa_family != AF_LINK) { + /* XXX: dunno if this is right. + * otherwise end up with two 'en0' and three 'lo0' + * with the same ip address. + */ + continue; + } +# ifdef __osf__ + /* weed out "sl0", "tun0" and the like */ + /* XXX must be a better way to check this */ + if (!sigar_netif_configured(sigar, ifr->ifr_name)) { + continue; + } +# endif +#endif + iflist->data[iflist->number++] = + sigar_strdup(ifr->ifr_name); + } + +#ifdef __linux__ + proc_net_interface_list_get(sigar, iflist); +#endif + + return SIGAR_OK; +} + +#endif /* WIN32 */ + +SIGAR_DECLARE(int) +sigar_net_interface_config_primary_get(sigar_t *sigar, + sigar_net_interface_config_t *ifconfig) +{ + int i, status, found=0; + sigar_net_interface_list_t iflist; + sigar_net_interface_config_t possible_config; + + possible_config.flags = 0; + + if ((status = sigar_net_interface_list_get(sigar, &iflist)) != SIGAR_OK) { + return status; + } + + for (i=0; iflags & SIGAR_IFF_LOOPBACK) || + !ifconfig->hwaddr.addr.in) /* no mac address */ + { + continue; + } + + if (!possible_config.flags) { + /* save for later for use if we're not connected to the net + * or all interfaces are aliases (e.g. solaris zone) + */ + memcpy(&possible_config, ifconfig, sizeof(*ifconfig)); + } + if (!ifconfig->address.addr.in) { + continue; /* no ip address */ + } + if (strchr(iflist.data[i], ':')) { + continue; /* alias */ + } + + found = 1; + break; + } + + sigar_net_interface_list_destroy(sigar, &iflist); + + if (found) { + return SIGAR_OK; + } + else if (possible_config.flags) { + memcpy(ifconfig, &possible_config, sizeof(*ifconfig)); + return SIGAR_OK; + } + else { + return SIGAR_ENXIO; + } +} + +static int fqdn_ip_get(sigar_t *sigar, char *name) +{ + sigar_net_interface_config_t ifconfig; + int status; + + status = sigar_net_interface_config_primary_get(sigar, &ifconfig); + + if (status != SIGAR_OK) { + return status; + } + if (!ifconfig.address.addr.in) { + return SIGAR_ENXIO; + } + + sigar_net_address_to_string(sigar, &ifconfig.address, name); + + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[fqdn] using ip address '%s' for fqdn", + name); + + return SIGAR_OK; +} + +struct hostent *sigar_gethostbyname(const char *name, + sigar_hostent_t *data) +{ + struct hostent *hp = NULL; + +#if defined(__linux__) + gethostbyname_r(name, &data->hs, + data->buffer, sizeof(data->buffer), + &hp, &data->error); +#elif defined(__sun) + hp = gethostbyname_r(name, &data->hs, + data->buffer, sizeof(data->buffer), + &data->error); +#elif defined(SIGAR_HAS_HOSTENT_DATA) + if (gethostbyname_r(name, &data->hs, &data->hd) == 0) { + hp = &data->hs; + } + else { + data->error = h_errno; + } +#else + hp = gethostbyname(name); +#endif + + return hp; +} + +static struct hostent *sigar_gethostbyaddr(const char *addr, + int len, int type, + sigar_hostent_t *data) +{ + struct hostent *hp = NULL; + +#if defined(__linux__) + gethostbyaddr_r(addr, len, type, + &data->hs, + data->buffer, sizeof(data->buffer), + &hp, &data->error); +#elif defined(__sun) + hp = gethostbyaddr_r(addr, len, type, + &data->hs, + data->buffer, sizeof(data->buffer), + &data->error); +#elif defined(SIGAR_HAS_HOSTENT_DATA) + if (gethostbyaddr_r((char *)addr, len, type, + &data->hs, &data->hd) == 0) + { + hp = &data->hs; + } + else { + data->error = h_errno; + } +#else + if (!(hp = gethostbyaddr(addr, len, type))) { + data->error = h_errno; + } +#endif + + return hp; +} +#define IS_FQDN(name) \ + (name && strchr(name, '.')) + +#define IS_FQDN_MATCH(lookup, name) \ + (IS_FQDN(lookup) && strnEQ(lookup, name, strlen(name))) + +#define FQDN_SET(fqdn) \ + SIGAR_STRNCPY(name, fqdn, namelen) + +SIGAR_DECLARE(int) sigar_fqdn_get(sigar_t *sigar, char *name, int namelen) +{ + register int is_debug = SIGAR_LOG_IS_DEBUG(sigar); + sigar_hostent_t data; + struct hostent *p; + char domain[SIGAR_FQDN_LEN + 1]; +#ifdef WIN32 + int status = sigar_wsa_init(sigar); + + if (status != SIGAR_OK) { + return status; + } +#endif + + if (gethostname(name, namelen - 1) != 0) { + sigar_log_printf(sigar, SIGAR_LOG_ERROR, + "[fqdn] gethostname failed: %s", + sigar_strerror(sigar, errno)); + return errno; + } + else { + if (is_debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[fqdn] gethostname()=='%s'", + name); + } + } + + if (!(p = sigar_gethostbyname(name, &data))) { + if (is_debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[fqdn] gethostbyname(%s) failed: %s", + name, sigar_strerror(sigar, errno)); + } + + if (!IS_FQDN(name)) { + fqdn_ip_get(sigar, name); + } + + return SIGAR_OK; + } + + if (IS_FQDN_MATCH(p->h_name, name)) { + FQDN_SET(p->h_name); + + sigar_log(sigar, SIGAR_LOG_DEBUG, + "[fqdn] resolved using gethostbyname.h_name"); + + return SIGAR_OK; + } + else { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[fqdn] unresolved using gethostbyname.h_name"); + } + + if (p->h_aliases) { + int i; + + for (i=0; p->h_aliases[i]; i++) { + if (IS_FQDN_MATCH(p->h_aliases[i], name)) { + FQDN_SET(p->h_aliases[i]); + + sigar_log(sigar, SIGAR_LOG_DEBUG, + "[fqdn] resolved using gethostbyname.h_aliases"); + + return SIGAR_OK; + } + else if (is_debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[fqdn] gethostbyname(%s).alias[%d]=='%s'", + name, i, p->h_aliases[i]); + } + } + } + + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[fqdn] unresolved using gethostbyname.h_aliases"); + + if (p->h_addr_list) { + int i,j; + + for (i=0; p->h_addr_list[i]; i++) { + char addr[SIGAR_INET6_ADDRSTRLEN]; + struct in_addr *in = + (struct in_addr *)p->h_addr_list[i]; + + struct hostent *q = + sigar_gethostbyaddr(p->h_addr_list[i], + p->h_length, + p->h_addrtype, + &data); + + if (is_debug) { + sigar_inet_ntoa(sigar, in->s_addr, addr); + } + + if (!q) { + if (is_debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[fqdn] gethostbyaddr(%s) failed: %s", + addr, + sigar_strerror(sigar, errno)); + } + continue; + } + + if (IS_FQDN_MATCH(q->h_name, name)) { + FQDN_SET(q->h_name); + + sigar_log(sigar, SIGAR_LOG_DEBUG, + "[fqdn] resolved using gethostbyaddr.h_name"); + + return SIGAR_OK; + } + else { + if (is_debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[fqdn] gethostbyaddr(%s)=='%s'", + addr, q->h_name); + } + + for (j=0; q->h_aliases[j]; j++) { + if (IS_FQDN_MATCH(q->h_aliases[j], name)) { + FQDN_SET(q->h_aliases[j]); + + sigar_log(sigar, SIGAR_LOG_DEBUG, + "[fqdn] resolved using " + "gethostbyaddr.h_aliases"); + + return SIGAR_OK; + } + else if (is_debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[fqdn] gethostbyaddr(%s).alias[%d]=='%s'", + addr, j, q->h_aliases[j]); + } + } + } + } + } + + sigar_log(sigar, SIGAR_LOG_DEBUG, + "[fqdn] unresolved using gethostbyname.h_addr_list"); + +#if !defined(WIN32) && !defined(NETWARE) + if (!IS_FQDN(name) && /* e.g. aix gethostname is already fqdn */ + (getdomainname(domain, sizeof(domain) - 1) == 0) && + (domain[0] != '\0') && + (domain[0] != '(')) /* linux default is "(none)" */ + { + /* sprintf(name, "%s.%s", name, domain); */ + char *ptr = name; + int len = strlen(name); + ptr += len; + *ptr++ = '.'; + namelen -= (len+1); + SIGAR_STRNCPY(ptr, domain, namelen); + + sigar_log(sigar, SIGAR_LOG_DEBUG, + "[fqdn] resolved using getdomainname"); + } + else { + sigar_log(sigar, SIGAR_LOG_DEBUG, + "[fqdn] getdomainname failed"); + } +#endif + + if (!IS_FQDN(name)) { + fqdn_ip_get(sigar, name); + } + + return SIGAR_OK; +} + +#ifndef MAX_STRING_LEN +#define MAX_STRING_LEN 8192 +#endif + +#ifdef WIN32 +/* The windows version of getPasswordNative was lifted from apr */ +SIGAR_DECLARE(char *) sigar_password_get(const char *prompt) +{ + static char password[MAX_STRING_LEN]; + int n = 0; + int ch; + + fputs(prompt, stderr); + fflush(stderr); + + while ((ch = _getch()) != '\r') { + if (ch == EOF) /* EOF */ { + return NULL; + } + else if (ch == 0 || ch == 0xE0) { + /* FN Keys (0 or E0) are a sentinal for a FN code */ + ch = (ch << 4) | _getch(); + /* Catch {DELETE}, {<--}, Num{DEL} and Num{<--} */ + if ((ch == 0xE53 || ch == 0xE4B || ch == 0x053 || ch == 0x04b) && n) { + password[--n] = '\0'; + fputs("\b \b", stderr); + fflush(stderr); + } + else { + fputc('\a', stderr); + fflush(stderr); + } + } + else if ((ch == '\b' || ch == 127) && n) /* BS/DEL */ { + password[--n] = '\0'; + fputs("\b \b", stderr); + fflush(stderr); + } + else if (ch == 3) /* CTRL+C */ { + /* _getch() bypasses Ctrl+C but not Ctrl+Break detection! */ + fputs("^C\n", stderr); + fflush(stderr); + exit(-1); + } + else if (ch == 26) /* CTRL+Z */ { + fputs("^Z\n", stderr); + fflush(stderr); + return NULL; + } + else if (ch == 27) /* ESC */ { + fputc('\n', stderr); + fputs(prompt, stderr); + fflush(stderr); + n = 0; + } + else if ((n < sizeof(password) - 1) && !iscntrl(ch)) { + password[n++] = ch; + fputc(' ', stderr); + fflush(stderr); + } + else { + fputc('\a', stderr); + fflush(stderr); + } + } + + fputc('\n', stderr); + fflush(stderr); + password[n] = '\0'; + + return password; +} + +#else + +/* linux/hpux/solaris getpass() prototype lives here */ +#include + +#include + +/* from apr_getpass.c */ + +#if defined(SIGAR_HPUX) +# define getpass termios_getpass +#elif defined(SIGAR_SOLARIS) +# define getpass getpassphrase +#endif + +#ifdef SIGAR_HPUX +static char *termios_getpass(const char *prompt) +{ + struct termios attr; + static char password[MAX_STRING_LEN]; + unsigned int n=0; + + fputs(prompt, stderr); + fflush(stderr); + + if (tcgetattr(STDIN_FILENO, &attr) != 0) { + return NULL; + } + + attr.c_lflag &= ~(ECHO); + + if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &attr) != 0) { + return NULL; + } + + while ((password[n] = getchar()) != '\n') { + if (n < (sizeof(password) - 1) && + (password[n] >= ' ') && + (password[n] <= '~')) + { + n++; + } + else { + fprintf(stderr, "\n"); + fputs(prompt, stderr); + fflush(stderr); + n = 0; + } + } + + password[n] = '\0'; + printf("\n"); + + if (n > (MAX_STRING_LEN - 1)) { + password[MAX_STRING_LEN - 1] = '\0'; + } + + attr.c_lflag |= ECHO; + tcsetattr(STDIN_FILENO, TCSANOW, &attr); + + return (char *)&password; +} +#endif + +SIGAR_DECLARE(char *) sigar_password_get(const char *prompt) +{ + char *buf = NULL; + + /* the linux version of getpass prints the prompt to the tty; ok. + * the solaris version prints the prompt to stderr; not ok. + * so print the prompt to /dev/tty ourselves if possible (always should be) + */ + + FILE *tty = NULL; + + if ((tty = fopen("/dev/tty", "w"))) { + fprintf(tty, "%s", prompt); + fflush(tty); + + buf = getpass(tty ? "" : prompt); + fclose(tty); + } + + return buf; +} + +#endif /* WIN32 */ diff --git a/vendor/sigar/src/sigar_cache.c b/vendor/sigar/src/sigar_cache.c new file mode 100644 index 0000000..8d64016 --- /dev/null +++ b/vendor/sigar/src/sigar_cache.c @@ -0,0 +1,179 @@ +/* + * Copyright (c) 2004-2006 Hyperic, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_util.h" +#include +/* + * hash table to cache values where key is a unique number + * such as: + * pid -> some process data + * uid -> user name + * gid -> group name + */ + +#define ENTRIES_SIZE(n) \ + (sizeof(sigar_cache_entry_t *) * (n)) + +/* wrap free() for use w/ dmalloc */ +static void free_value(void *ptr) +{ + free(ptr); +} + +sigar_cache_t *sigar_cache_new(int size) +{ + sigar_cache_t *table = malloc(sizeof(*table)); + table->count = 0; + table->size = size; + table->entries = malloc(ENTRIES_SIZE(size)); + memset(table->entries, '\0', ENTRIES_SIZE(size)); + table->free_value = free_value; + return table; +} + +#ifdef DEBUG_CACHE +/* see how well entries are distributed */ +static void sigar_cache_dump(sigar_cache_t *table) +{ + int i; + sigar_cache_entry_t **entries = table->entries; + + for (i=0; isize; i++) { + sigar_cache_entry_t *entry = *entries++; + + printf("|"); + while (entry) { + printf("%lld", entry->id); + if (entry->next) { + printf(","); + } + entry = entry->next; + } + } + printf("\n"); + fflush(stdout); +} +#endif + +static void sigar_cache_rehash(sigar_cache_t *table) +{ + int i; + unsigned int new_size = table->size * 2 + 1; + sigar_cache_entry_t **entries = table->entries; + sigar_cache_entry_t **new_entries = + malloc(ENTRIES_SIZE(new_size)); + + memset(new_entries, '\0', ENTRIES_SIZE(new_size)); + + for (i=0; isize; i++) { + sigar_cache_entry_t *entry = *entries++; + + while (entry) { + sigar_cache_entry_t *next = entry->next; + sigar_uint64_t hash = entry->id % new_size; + + entry->next = new_entries[hash]; + new_entries[hash] = entry; + entry = next; + } + } + + free(table->entries); + table->entries = new_entries; + table->size = new_size; +} + +#define SIGAR_CACHE_IX(t, k) \ + t->entries + (k % t->size) + +sigar_cache_entry_t *sigar_cache_find(sigar_cache_t *table, + sigar_uint64_t key) +{ + sigar_cache_entry_t *entry, **ptr; + + for (ptr = SIGAR_CACHE_IX(table, key), entry = *ptr; + entry; + ptr = &entry->next, entry = *ptr) + { + if (entry->id == key) { + return entry; + } + } + + return NULL; +} + +/* create entry if it does not exist */ +sigar_cache_entry_t *sigar_cache_get(sigar_cache_t *table, + sigar_uint64_t key) +{ + sigar_cache_entry_t *entry, **ptr; + + for (ptr = SIGAR_CACHE_IX(table, key), entry = *ptr; + entry; + ptr = &entry->next, entry = *ptr) + { + if (entry->id == key) { + return entry; + } + } + + if (table->count++ > table->size) { + sigar_cache_rehash(table); + + for (ptr = SIGAR_CACHE_IX(table, key), entry = *ptr; + entry; + ptr = &entry->next, entry = *ptr) + { + } + } + + *ptr = entry = malloc(sizeof(*entry)); + entry->id = key; + entry->value = NULL; + entry->next = NULL; + + return entry; +} + +void sigar_cache_destroy(sigar_cache_t *table) +{ + int i; + sigar_cache_entry_t **entries = table->entries; + +#ifdef DEBUG_CACHE + sigar_cache_dump(table); +#endif + + for (i=0; isize; i++) { + sigar_cache_entry_t *entry, *ptr; + entry = *entries++; + + while (entry) { + if (entry->value) { + table->free_value(entry->value); + } + ptr = entry->next; + free(entry); + entry = ptr; + } + } + + free(table->entries); + free(table); +} diff --git a/vendor/sigar/src/sigar_fileinfo.c b/vendor/sigar/src/sigar_fileinfo.c new file mode 100644 index 0000000..adde8c0 --- /dev/null +++ b/vendor/sigar/src/sigar_fileinfo.c @@ -0,0 +1,815 @@ +/* + * Copyright (c) 2004-2005, 2007-2008 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2010 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* ==================================================================== + * The Apache Software License, Version 1.1 + * + * Copyright (c) 2000-2003 The Apache Software Foundation. All rights + * reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. The end-user documentation included with the redistribution, + * if any, must include the following acknowledgment: + * "This product includes software developed by the + * Apache Software Foundation (http://www.apache.org/)." + * Alternately, this acknowledgment may appear in the software itself, + * if and wherever such third-party acknowledgments normally appear. + * + * 4. The names "Apache" and "Apache Software Foundation" must + * not be used to endorse or promote products derived from this + * software without prior written permission. For written + * permission, please contact apache@apache.org. + * + * 5. Products derived from this software may not be called "Apache", + * nor may "Apache" appear in their name, without prior written + * permission of the Apache Software Foundation. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * . + */ + +#ifndef WIN32 +# ifdef _AIX +# define _LARGE_FILES +# else +# define _FILE_OFFSET_BITS 64 +# define _LARGEFILE64_SOURCE +# endif +#endif + +#include "sigar.h" + +#ifndef WIN32 +#if defined(__FreeBSD__) || defined(__OpenBSD__) +# include +# include +#else +# include +# define HAVE_STATVFS +#endif +#include + +#define SIGAR_FS_BLOCKS_TO_BYTES(val, bsize) ((val * bsize) >> 1) + +int sigar_statvfs(sigar_t *sigar, + const char *dirname, + sigar_file_system_usage_t *fsusage) +{ + sigar_uint64_t val, bsize; +#ifdef HAVE_STATVFS + struct statvfs buf; + int status = +# if defined(__sun) && !defined(_LP64) + /* http://bugs.opensolaris.org/view_bug.do?bug_id=4462986 */ + statvfs(dirname, (void *)&buf); +# else + statvfs(dirname, &buf); +# endif +#else + struct statfs buf; + int status = statfs(dirname, &buf); +#endif + + if (status != 0) { + return errno; + } + +#ifdef HAVE_STATVFS + bsize = buf.f_frsize / 512; +#else + bsize = buf.f_bsize / 512; +#endif + val = buf.f_blocks; + fsusage->total = SIGAR_FS_BLOCKS_TO_BYTES(val, bsize); + val = buf.f_bfree; + fsusage->free = SIGAR_FS_BLOCKS_TO_BYTES(val, bsize); + val = buf.f_bavail; + fsusage->avail = SIGAR_FS_BLOCKS_TO_BYTES(val, bsize); + fsusage->used = fsusage->total - fsusage->free; + fsusage->files = buf.f_files; + fsusage->free_files = buf.f_ffree; + + return SIGAR_OK; +} +#endif + +/* + * whittled down version of apr/file_info/{unix,win32}/filestat.c + * to fillin sigar_fileattrs_t + */ +#include "sigar_fileinfo.h" +#include "sigar_log.h" + +#ifndef SIGAR_ZERO +#define SIGAR_ZERO(s) \ + memset(s, '\0', sizeof(*(s))) +#endif + +#ifdef WIN32 +#include +sigar_uint64_t sigar_FileTimeToTime(FILETIME *ft); +#else +#include +#endif + +static const char* types[] = { + "none", + "regular", + "directory", + "character device", + "block device", + "pipe", + "symbolic link", + "socket", + "unknown" +}; + +SIGAR_DECLARE(const char *) +sigar_file_attrs_type_string_get(sigar_file_type_e type) +{ + if ((type < SIGAR_FILETYPE_NOFILE) || + (type > SIGAR_FILETYPE_UNKFILE)) + { + type = SIGAR_FILETYPE_UNKFILE; + } + + return types[type]; +} + +static const sigar_uint64_t perm_modes[] = { + SIGAR_UREAD, SIGAR_UWRITE, SIGAR_UEXECUTE, + SIGAR_GREAD, SIGAR_GWRITE, SIGAR_GEXECUTE, + SIGAR_WREAD, SIGAR_WWRITE, SIGAR_WEXECUTE +}; + +static const char perm_chars[] = "rwx"; + +SIGAR_DECLARE(char *) +sigar_file_attrs_permissions_string_get(sigar_uint64_t permissions, + char *str) +{ + char *ptr = str; + int i=0, j=0; + + for (i=0; i<9; i+=3) { + for (j=0; j<3; j++) { + if (permissions & perm_modes[i+j]) { + *ptr = perm_chars[j]; + } + else { + *ptr = '-'; + } + ptr++; + } + } + + *ptr = '\0'; + return str; +} + +static const int perm_int[] = { + 400, 200, 100, + 40, 20, 10, + 4, 2, 1 +}; + +SIGAR_DECLARE(int)sigar_file_attrs_mode_get(sigar_uint64_t permissions) +{ + int i=0; + int perms = 0; + + /* no doubt there is some fancy bitshifting + * to convert, but this works fine. + */ + for (i=0; i<9; i++) { + if (permissions & perm_modes[i]) { + perms += perm_int[i]; + } + } + + return perms; +} + +#define IS_DOTDIR(dir) \ + ((dir[0] == '.') && (!dir[1] || ((dir[1] == '.') && !dir[2]))) + +#define DIR_STAT_WARN() \ + sigar_log_printf(sigar, SIGAR_LOG_WARN, \ + "dir_stat: cannot stat `%s': %s", \ + name, \ + sigar_strerror(sigar, status)) + +#if defined(NETWARE) + +int sigar_dir_stat_get(sigar_t *sigar, + const char *dir, + sigar_dir_stat_t *dirstats) +{ + return SIGAR_ENOTIMPL; +} + +int sigar_file_attrs_get(sigar_t *sigar, + const char *file, + sigar_file_attrs_t *fileattrs) +{ + return SIGAR_ENOTIMPL; +} + +int sigar_link_attrs_get(sigar_t *sigar, + const char *file, + sigar_file_attrs_t *fileattrs) +{ + return SIGAR_ENOTIMPL; +} + +#elif defined(WIN32) + +#include +#include + +static void fillin_fileattrs(sigar_file_attrs_t *finfo, + WIN32_FILE_ATTRIBUTE_DATA *wininfo, + int linkinfo) +{ + DWORD *sizes = &wininfo->nFileSizeHigh; + + finfo->atime = sigar_FileTimeToTime(&wininfo->ftLastAccessTime) / 1000; + finfo->ctime = sigar_FileTimeToTime(&wininfo->ftCreationTime) / 1000; + finfo->mtime = sigar_FileTimeToTime(&wininfo->ftLastWriteTime) / 1000; + + finfo->size = + (sigar_uint64_t)sizes[1] | ((sigar_uint64_t)sizes[0] << 32); + + if (linkinfo && + (wininfo->dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)) { + finfo->type = SIGAR_FILETYPE_LNK; + } + else if (wininfo->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { + finfo->type = SIGAR_FILETYPE_DIR; + } + else { + finfo->type = SIGAR_FILETYPE_REG; + } +} + +static sigar_uint64_t convert_perms(ACCESS_MASK acc, sigar_uint64_t scope) +{ + sigar_uint64_t perms = 0; + if (acc & FILE_EXECUTE) { + perms |= SIGAR_WEXECUTE; + } + if (acc & FILE_WRITE_DATA) { + perms |= SIGAR_WWRITE; + } + if (acc & FILE_READ_DATA) { + perms |= SIGAR_WREAD; + } + + return (perms << scope); +} + +static int get_security_info(sigar_t *sigar, + const char *file, + sigar_file_attrs_t *fileattrs) +{ + DWORD retval; + PSID user = NULL, group = NULL, world = NULL; + PACL dacl = NULL; + PSECURITY_DESCRIPTOR pdesc = NULL; + SECURITY_INFORMATION sinfo = + OWNER_SECURITY_INFORMATION | + GROUP_SECURITY_INFORMATION | + DACL_SECURITY_INFORMATION; + TRUSTEE ident = {NULL, NO_MULTIPLE_TRUSTEE, TRUSTEE_IS_SID}; + ACCESS_MASK acc; + SID_IDENTIFIER_AUTHORITY auth = SECURITY_WORLD_SID_AUTHORITY; + + retval = GetNamedSecurityInfo((char *)file, + SE_FILE_OBJECT, + sinfo, + &user, + &group, + &dacl, + NULL, + &pdesc); + + if (retval != ERROR_SUCCESS) { + return retval; + } + + if (!AllocateAndInitializeSid(&auth, 1, SECURITY_WORLD_RID, + 0, 0, 0, 0, 0, 0, 0, &world)) + { + world = NULL; + } + + ident.TrusteeType = TRUSTEE_IS_USER; + ident.ptstrName = user; + if (GetEffectiveRightsFromAcl(dacl, &ident, &acc) == ERROR_SUCCESS) { + fileattrs->permissions |= convert_perms(acc, 8); + } + + ident.TrusteeType = TRUSTEE_IS_GROUP; + ident.ptstrName = group; + if (GetEffectiveRightsFromAcl(dacl, &ident, &acc) == ERROR_SUCCESS) { + fileattrs->permissions |= convert_perms(acc, 4); + } + + if (world) { + ident.TrusteeType = TRUSTEE_IS_WELL_KNOWN_GROUP; + ident.ptstrName = world; + if (GetEffectiveRightsFromAcl(dacl, &ident, &acc) == ERROR_SUCCESS) { + fileattrs->permissions |= convert_perms(acc, 0); + } + } + + if (world) { + FreeSid(world); + } + + LocalFree(pdesc); + + return SIGAR_OK; +} + +static int fileattrs_get(sigar_t *sigar, + const char *file, + sigar_file_attrs_t *fileattrs, + int linkinfo) +{ + BY_HANDLE_FILE_INFORMATION info; + WIN32_FILE_ATTRIBUTE_DATA attrs; + HANDLE handle; + DWORD flags; + + SIGAR_ZERO(fileattrs); + + if (!GetFileAttributesExA(file, + GetFileExInfoStandard, + &attrs)) + { + return GetLastError(); + } + + fillin_fileattrs(fileattrs, &attrs, linkinfo); + + flags = fileattrs->type == SIGAR_FILETYPE_DIR ? + FILE_FLAG_BACKUP_SEMANTICS : + FILE_ATTRIBUTE_NORMAL; + + /** + * We need to set dwDesiredAccess to 0 to work in cases where GENERIC_READ can fail. + * + * see: http://msdn.microsoft.com/en-us/library/aa363858(VS.85).aspx + */ + handle = CreateFile(file, + 0, + 0, + NULL, + OPEN_EXISTING, + flags, + NULL); + + if (handle != INVALID_HANDLE_VALUE) { + if (GetFileInformationByHandle(handle, &info)) { + fileattrs->inode = + info.nFileIndexLow | + (info.nFileIndexHigh << 32); + fileattrs->device = info.dwVolumeSerialNumber; + fileattrs->nlink = info.nNumberOfLinks; + } + CloseHandle(handle); + } + + get_security_info(sigar, file, fileattrs); + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_file_attrs_get(sigar_t *sigar, + const char *file, + sigar_file_attrs_t *fileattrs) +{ + return fileattrs_get(sigar, file, fileattrs, 0); +} + +SIGAR_DECLARE(int) sigar_link_attrs_get(sigar_t *sigar, + const char *file, + sigar_file_attrs_t *fileattrs) +{ + return fileattrs_get(sigar, file, fileattrs, 1); +} + +static __inline int file_type(char *file) +{ + WIN32_FILE_ATTRIBUTE_DATA attrs; + + if (!GetFileAttributesExA(file, + GetFileExInfoStandard, + &attrs)) + { + return -1; + } + + if (attrs.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) { + return SIGAR_FILETYPE_LNK; + } + else if (attrs.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { + return SIGAR_FILETYPE_DIR; + } + else { + return SIGAR_FILETYPE_REG; + } +} + +static int dir_stat_get(sigar_t *sigar, + const char *dir, + sigar_dir_stat_t *dirstats, + int recurse) +{ + int status; + char name[SIGAR_PATH_MAX+1]; + int len = strlen(dir); + int max = sizeof(name)-len-1; + char *ptr = name; + WIN32_FIND_DATA data; + HANDLE handle; + DWORD error; + char delim; + + if (file_type((char *)dir) != SIGAR_FILETYPE_DIR) { + return ERROR_NO_MORE_FILES; + } + + strncpy(name, dir, sizeof(name)); + ptr += len; + if (strchr(dir, '/')) { + delim = '/'; + } + else { + delim = '\\'; + } + if (name[len] != delim) { + *ptr++ = delim; + len++; + max--; + } + + /* e.g. "C:\sigar\*" */ + name[len] = '*'; + name[len+1] = '\0'; + + handle = FindFirstFile(name, &data); + if (handle == INVALID_HANDLE_VALUE) { + return GetLastError(); + } + + do { + /* skip '.' and '..' */ + if (IS_DOTDIR(data.cFileName)) { + continue; + } + + dirstats->disk_usage += + (data.nFileSizeHigh * (MAXDWORD+1)) + + data.nFileSizeLow; + + /* e.g. "C:\sigar\lib" */ + strncpy(ptr, data.cFileName, max); + ptr[max] = '\0'; + + switch (file_type(name)) { + case -1: + break; + case SIGAR_FILETYPE_REG: + ++dirstats->files; + break; + case SIGAR_FILETYPE_DIR: + ++dirstats->subdirs; + if (recurse) { + status = + dir_stat_get(sigar, name, + dirstats, recurse); + if (status != SIGAR_OK) { + DIR_STAT_WARN(); + } + } + break; + case SIGAR_FILETYPE_LNK: + ++dirstats->symlinks; + break; + case SIGAR_FILETYPE_CHR: + ++dirstats->chrdevs; + break; + case SIGAR_FILETYPE_BLK: + ++dirstats->blkdevs; + break; + case SIGAR_FILETYPE_SOCK: + ++dirstats->sockets; + break; + default: + ++dirstats->total; + } + } while (FindNextFile(handle, &data)); + + error = GetLastError(); + + FindClose(handle); + + if (error != ERROR_NO_MORE_FILES) { + return error; + } + + dirstats->total = + dirstats->files + + dirstats->subdirs + + dirstats->symlinks + + dirstats->chrdevs + + dirstats->blkdevs + + dirstats->sockets; + + return SIGAR_OK; +} + +#else + +#include +#include +#include +#include + +static sigar_file_type_e filetype_from_mode(mode_t mode) +{ + sigar_file_type_e type; + + switch (mode & S_IFMT) { + case S_IFREG: + type = SIGAR_FILETYPE_REG; break; + case S_IFDIR: + type = SIGAR_FILETYPE_DIR; break; + case S_IFLNK: + type = SIGAR_FILETYPE_LNK; break; + case S_IFCHR: + type = SIGAR_FILETYPE_CHR; break; + case S_IFBLK: + type = SIGAR_FILETYPE_BLK; break; +#if defined(S_IFFIFO) + case S_IFFIFO: + type = SIGAR_FILETYPE_PIPE; break; +#endif +#if !defined(BEOS) && defined(S_IFSOCK) + case S_IFSOCK: + type = SIGAR_FILETYPE_SOCK; break; +#endif + + default: + /* Work around missing S_IFxxx values above + * for Linux et al. + */ +#if !defined(S_IFFIFO) && defined(S_ISFIFO) + if (S_ISFIFO(mode)) { + type = SIGAR_FILETYPE_PIPE; + } else +#endif +#if !defined(BEOS) && !defined(S_IFSOCK) && defined(S_ISSOCK) + if (S_ISSOCK(mode)) { + type = SIGAR_FILETYPE_SOCK; + } else +#endif + type = SIGAR_FILETYPE_UNKFILE; + } + return type; +} + +static sigar_uint64_t sigar_unix_mode2perms(mode_t mode) +{ + sigar_uint64_t perms = 0; + + if (mode & S_IRUSR) + perms |= SIGAR_UREAD; + if (mode & S_IWUSR) + perms |= SIGAR_UWRITE; + if (mode & S_IXUSR) + perms |= SIGAR_UEXECUTE; + + if (mode & S_IRGRP) + perms |= SIGAR_GREAD; + if (mode & S_IWGRP) + perms |= SIGAR_GWRITE; + if (mode & S_IXGRP) + perms |= SIGAR_GEXECUTE; + + if (mode & S_IROTH) + perms |= SIGAR_WREAD; + if (mode & S_IWOTH) + perms |= SIGAR_WWRITE; + if (mode & S_IXOTH) + perms |= SIGAR_WEXECUTE; + + return perms; +} + +static void copy_stat_info(sigar_file_attrs_t *fileattrs, + struct stat *info) +{ + fileattrs->permissions = sigar_unix_mode2perms(info->st_mode); + fileattrs->type = filetype_from_mode(info->st_mode); + fileattrs->uid = info->st_uid; + fileattrs->gid = info->st_gid; + fileattrs->size = info->st_size; + fileattrs->inode = info->st_ino; + fileattrs->device = info->st_dev; + fileattrs->nlink = info->st_nlink; + fileattrs->atime = info->st_atime; + fileattrs->mtime = info->st_mtime; + fileattrs->ctime = info->st_ctime; + fileattrs->atime *= 1000; + fileattrs->mtime *= 1000; + fileattrs->ctime *= 1000; +} + +int sigar_file_attrs_get(sigar_t *sigar, + const char *file, + sigar_file_attrs_t *fileattrs) +{ + struct stat info; + + if (stat(file, &info) == 0) { + copy_stat_info(fileattrs, &info); + return SIGAR_OK; + } + else { + return errno; + } +} + +int sigar_link_attrs_get(sigar_t *sigar, + const char *file, + sigar_file_attrs_t *fileattrs) +{ + struct stat info; + + if (lstat(file, &info) == 0) { + copy_stat_info(fileattrs, &info); + return SIGAR_OK; + } + else { + return errno; + } +} + +static int dir_stat_get(sigar_t *sigar, + const char *dir, + sigar_dir_stat_t *dirstats, + int recurse) +{ + int status; + char name[SIGAR_PATH_MAX+1]; + int len = strlen(dir); + int max = sizeof(name)-len-1; + char *ptr = name; + DIR *dirp = opendir(dir); + struct dirent *ent; + struct stat info; +#ifdef HAVE_READDIR_R + struct dirent dbuf; +#endif + + if (!dirp) { + return errno; + } + + strncpy(name, dir, sizeof(name)); + ptr += len; + if (name[len] != '/') { + *ptr++ = '/'; + len++; + max--; + } + +#ifdef HAVE_READDIR_R + while (readdir_r(dirp, &dbuf, &ent) == 0) { + if (ent == NULL) { + break; + } +#else + while ((ent = readdir(dirp))) { +#endif + /* skip '.' and '..' */ + if (IS_DOTDIR(ent->d_name)) { + continue; + } + + strncpy(ptr, ent->d_name, max); + ptr[max] = '\0'; + + if (lstat(name, &info) != 0) { + continue; + } + + dirstats->disk_usage += info.st_size; + + switch (filetype_from_mode(info.st_mode)) { + case SIGAR_FILETYPE_REG: + ++dirstats->files; + break; + case SIGAR_FILETYPE_DIR: + ++dirstats->subdirs; + if (recurse) { + status = + dir_stat_get(sigar, name, + dirstats, recurse); + if (status != SIGAR_OK) { + DIR_STAT_WARN(); + } + } + break; + case SIGAR_FILETYPE_LNK: + ++dirstats->symlinks; + break; + case SIGAR_FILETYPE_CHR: + ++dirstats->chrdevs; + break; + case SIGAR_FILETYPE_BLK: + ++dirstats->blkdevs; + break; + case SIGAR_FILETYPE_SOCK: + ++dirstats->sockets; + break; + default: + ++dirstats->total; + } + } + + dirstats->total = + dirstats->files + + dirstats->subdirs + + dirstats->symlinks + + dirstats->chrdevs + + dirstats->blkdevs + + dirstats->sockets; + + closedir(dirp); + + return SIGAR_OK; +} + +#endif + +SIGAR_DECLARE(int) sigar_dir_stat_get(sigar_t *sigar, + const char *dir, + sigar_dir_stat_t *dirstats) +{ + SIGAR_ZERO(dirstats); + return dir_stat_get(sigar, dir, dirstats, 0); +} + +SIGAR_DECLARE(int) sigar_dir_usage_get(sigar_t *sigar, + const char *dir, + sigar_dir_usage_t *dirusage) +{ + SIGAR_ZERO(dirusage); + return dir_stat_get(sigar, dir, dirusage, 1); +} diff --git a/vendor/sigar/src/sigar_format.c b/vendor/sigar/src/sigar_format.c new file mode 100644 index 0000000..8062ddd --- /dev/null +++ b/vendor/sigar/src/sigar_format.c @@ -0,0 +1,696 @@ +/* + * Copyright (c) 2007-2008 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * Copyright (c) 2010 VMware, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* Utility functions to provide string formatting of SIGAR data */ + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_util.h" +#include "sigar_os.h" +#include "sigar_format.h" + +#include +#include + +#ifndef WIN32 +#include +#include +#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(_AIX) +#include +#endif +#include +#include + +/* sysconf(_SC_GET{PW,GR}_R_SIZE_MAX) */ +#define R_SIZE_MAX 2048 + +int sigar_user_name_get(sigar_t *sigar, int uid, char *buf, int buflen) +{ + struct passwd *pw = NULL; + /* XXX cache lookup */ + +# ifdef HAVE_GETPWUID_R + struct passwd pwbuf; + char buffer[R_SIZE_MAX]; + + if (getpwuid_r(uid, &pwbuf, buffer, sizeof(buffer), &pw) != 0) { + return errno; + } + if (!pw) { + return ENOENT; + } +# else + if ((pw = getpwuid(uid)) == NULL) { + return errno; + } +# endif + + strncpy(buf, pw->pw_name, buflen); + buf[buflen-1] = '\0'; + + return SIGAR_OK; +} + +int sigar_group_name_get(sigar_t *sigar, int gid, char *buf, int buflen) +{ + struct group *gr; + /* XXX cache lookup */ + +# ifdef HAVE_GETGRGID_R + struct group grbuf; + char buffer[R_SIZE_MAX]; + + if (getgrgid_r(gid, &grbuf, buffer, sizeof(buffer), &gr) != 0) { + return errno; + } +# else + if ((gr = getgrgid(gid)) == NULL) { + return errno; + } +# endif + + if (gr && gr->gr_name) { + strncpy(buf, gr->gr_name, buflen); + } + else { + /* seen on linux.. apache httpd.conf has: + * Group #-1 + * results in uid == -1 and gr == NULL. + * wtf getgrgid_r doesnt fail instead? + */ + sprintf(buf, "%d", gid); + } + buf[buflen-1] = '\0'; + + return SIGAR_OK; +} + +int sigar_user_id_get(sigar_t *sigar, const char *name, int *uid) +{ + /* XXX cache lookup */ + struct passwd *pw; + +# ifdef HAVE_GETPWNAM_R + struct passwd pwbuf; + char buf[R_SIZE_MAX]; + + if (getpwnam_r(name, &pwbuf, buf, sizeof(buf), &pw) != 0) { + return errno; + } +# else + if (!(pw = getpwnam(name))) { + return errno; + } +# endif + + *uid = (int)pw->pw_uid; + return SIGAR_OK; +} + +#endif /* WIN32 */ + +static char *sigar_error_string(int err) +{ + switch (err) { + case SIGAR_ENOTIMPL: + return "This function has not been implemented on this platform"; + default: + return "Error string not specified yet"; + } +} + +SIGAR_DECLARE(char *) sigar_strerror(sigar_t *sigar, int err) +{ + char *buf; + + if (err < 0) { + return sigar->errbuf; + } + + if (err > SIGAR_OS_START_ERROR) { + if ((buf = sigar_os_error_string(sigar, err)) != NULL) { + return buf; + } + return "Unknown OS Error"; /* should never happen */ + } + + if (err > SIGAR_START_ERROR) { + return sigar_error_string(err); + } + + return sigar_strerror_get(err, sigar->errbuf, sizeof(sigar->errbuf)); +} + +char *sigar_strerror_get(int err, char *errbuf, int buflen) +{ + char *buf = NULL; +#ifdef WIN32 + DWORD len; + + len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | + FORMAT_MESSAGE_IGNORE_INSERTS, + NULL, + err, + MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT), /* force english */ + (LPTSTR)errbuf, + (DWORD)buflen, + NULL); +#else + +#if defined(HAVE_STRERROR_R) && defined(HAVE_STRERROR_R_GLIBC) + /* + * strerror_r man page says: + * "The GNU version may, but need not, use the user supplied buffer" + */ + buf = strerror_r(err, errbuf, buflen); +#elif defined(HAVE_STRERROR_R) + if (strerror_r(err, errbuf, buflen) < 0) { + buf = "Unknown Error"; + } +#else + /* strerror() is thread safe on solaris and hpux */ + buf = strerror(err); +#endif + + if (buf != NULL) { + SIGAR_STRNCPY(errbuf, buf, buflen); + } + +#endif + return errbuf; +} + +void sigar_strerror_set(sigar_t *sigar, char *msg) +{ + SIGAR_SSTRCPY(sigar->errbuf, msg); +} + +#ifdef WIN32 +#define vsnprintf _vsnprintf +#endif + +void sigar_strerror_printf(sigar_t *sigar, const char *format, ...) +{ + va_list args; + + va_start(args, format); + vsnprintf(sigar->errbuf, sizeof(sigar->errbuf), format, args); + va_end(args); +} + +/* copy apr_strfsize */ +SIGAR_DECLARE(char *) sigar_format_size(sigar_uint64_t size, char *buf) +{ + const char ord[] = "KMGTPE"; + const char *o = ord; + int remain; + + if (size == SIGAR_FIELD_NOTIMPL) { + buf[0] = '-'; + buf[1] = '\0'; + return buf; + } + + if (size < 973) { + sprintf(buf, "%3d ", (int) size); + return buf; + } + + do { + remain = (int)(size & 1023); + size >>= 10; + + if (size >= 973) { + ++o; + continue; + } + + if (size < 9 || (size == 9 && remain < 973)) { + if ((remain = ((remain * 5) + 256) / 512) >= 10) { + ++size; + remain = 0; + } + sprintf(buf, "%d.%d%c", (int) size, remain, *o); + return buf; + } + + if (remain >= 512) { + ++size; + } + + sprintf(buf, "%3d%c", (int) size, *o); + + return buf; + } while (1); +} + + +SIGAR_DECLARE(int) sigar_uptime_string(sigar_t *sigar, + sigar_uptime_t *uptime, + char *buffer, + int buflen) +{ + char *ptr = buffer; + int time = (int)uptime->uptime; + int minutes, hours, days, offset = 0; + + /* XXX: get rid of sprintf and/or check for overflow */ + days = time / (60*60*24); + + if (days) { + offset += sprintf(ptr + offset, "%d day%s, ", + days, (days > 1) ? "s" : ""); + } + + minutes = time / 60; + hours = minutes / 60; + hours = hours % 24; + minutes = minutes % 60; + + if (hours) { + offset += sprintf(ptr + offset, "%2d:%02d", + hours, minutes); + } + else { + offset += sprintf(ptr + offset, "%d min", minutes); + } + + return SIGAR_OK; +} + +/* threadsafe alternative to inet_ntoa (inet_ntop4 from apr) */ +int sigar_inet_ntoa(sigar_t *sigar, + sigar_uint32_t address, + char *addr_str) +{ + char *next=addr_str; + int n=0; + const unsigned char *src = + (const unsigned char *)&address; + + do { + unsigned char u = *src++; + if (u > 99) { + *next++ = '0' + u/100; + u %= 100; + *next++ = '0' + u/10; + u %= 10; + } + else if (u > 9) { + *next++ = '0' + u/10; + u %= 10; + } + *next++ = '0' + u; + *next++ = '.'; + n++; + } while (n < 4); + + *--next = 0; + + return SIGAR_OK; +} + +static int sigar_ether_ntoa(char *buff, unsigned char *ptr) +{ + sprintf(buff, "%02X:%02X:%02X:%02X:%02X:%02X", + (ptr[0] & 0xff), (ptr[1] & 0xff), (ptr[2] & 0xff), + (ptr[3] & 0xff), (ptr[4] & 0xff), (ptr[5] & 0xff)); + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_net_address_equals(sigar_net_address_t *addr1, + sigar_net_address_t *addr2) + +{ + if (addr1->family != addr2->family) { + return EINVAL; + } + + switch (addr1->family) { + case SIGAR_AF_INET: + return memcmp(&addr1->addr.in, &addr2->addr.in, sizeof(addr1->addr.in)); + case SIGAR_AF_INET6: + return memcmp(&addr1->addr.in6, &addr2->addr.in6, sizeof(addr1->addr.in6)); + case SIGAR_AF_LINK: + return memcmp(&addr1->addr.mac, &addr2->addr.mac, sizeof(addr1->addr.mac)); + default: + return EINVAL; + } +} + +#if defined(SIGAR_USING_MSC6) +#define sigar_inet_ntop(af, src, dst, size) NULL +#define sigar_inet_ntop_errno SIGAR_ENOTIMPL +#elif defined(WIN32) +static char *sigar_inet_ntop(int af, const void *src, char *dst, int cnt) +{ + struct sockaddr_in6 sa; /* note only using this for AF_INET6 */ + + memset(&sa, '\0', sizeof(sa)); + sa.sin6_family = af; + memcpy(&sa.sin6_addr, src, sizeof(sa.sin6_addr)); + + if (getnameinfo((struct sockaddr *)&sa, sizeof(sa), + dst, cnt, NULL, 0, NI_NUMERICHOST)) + { + return NULL; + } + else { + return dst; + } +} +#define sigar_inet_ntop_errno GetLastError() +#else +#define sigar_inet_ntop inet_ntop +#define sigar_inet_ntop_errno errno +#endif + +SIGAR_DECLARE(int) sigar_net_address_to_string(sigar_t *sigar, + sigar_net_address_t *address, + char *addr_str) +{ + *addr_str = '\0'; + switch (address->family) { + case SIGAR_AF_INET6: + if (sigar_inet_ntop(AF_INET6, (const void *)&address->addr.in6, + addr_str, SIGAR_INET6_ADDRSTRLEN)) + { + return SIGAR_OK; + } + else { + return sigar_inet_ntop_errno; + } + case SIGAR_AF_INET: + return sigar_inet_ntoa(sigar, address->addr.in, addr_str); + case SIGAR_AF_UNSPEC: + return sigar_inet_ntoa(sigar, 0, addr_str); /*XXX*/ + case SIGAR_AF_LINK: + return sigar_ether_ntoa(addr_str, &address->addr.mac[0]); + default: + return EINVAL; + } +} + +SIGAR_DECLARE(const char *)sigar_net_scope_to_string(int type) +{ + switch (type) { + case SIGAR_IPV6_ADDR_ANY: + return "Global"; + case SIGAR_IPV6_ADDR_LOOPBACK: + return "Host"; + case SIGAR_IPV6_ADDR_LINKLOCAL: + return "Link"; + case SIGAR_IPV6_ADDR_SITELOCAL: + return "Site"; + case SIGAR_IPV6_ADDR_COMPATv4: + return "Compat"; + default: + return "Unknown"; + } +} + +SIGAR_DECLARE(sigar_uint32_t) sigar_net_address_hash(sigar_net_address_t *address) +{ + sigar_uint32_t hash = 0; + unsigned char *data; + int i=0, size, elts; + + switch (address->family) { + case SIGAR_AF_UNSPEC: + case SIGAR_AF_INET: + return address->addr.in; + case SIGAR_AF_INET6: + data = (unsigned char *)&address->addr.in6; + size = sizeof(address->addr.in6); + elts = 4; + break; + case SIGAR_AF_LINK: + data = (unsigned char *)&address->addr.mac; + size = sizeof(address->addr.mac); + elts = 2; + break; + default: + return -1; + } + + while (ivalue) { + entry->value = strdup(name); + } + } + + fclose(fp); + return SIGAR_OK; +} + +SIGAR_DECLARE(char *)sigar_net_services_name_get(sigar_t *sigar, + int protocol, unsigned long port) +{ + sigar_cache_entry_t *entry; + sigar_cache_t **names; + char *pname; + + switch (protocol) { + case SIGAR_NETCONN_TCP: + names = &sigar->net_services_tcp; + pname = "tcp"; + break; + case SIGAR_NETCONN_UDP: + names = &sigar->net_services_udp; + pname = "udp"; + break; + default: + return NULL; + } + + if (*names == NULL) { + *names = sigar_cache_new(1024); + net_services_parse(*names, pname); + } + + if ((entry = sigar_cache_find(*names, port))) { + return (char *)entry->value; + } + else { + return NULL; + } +} + +SIGAR_DECLARE(int) sigar_cpu_perc_calculate(sigar_cpu_t *prev, + sigar_cpu_t *curr, + sigar_cpu_perc_t *perc) +{ + double diff_user, diff_sys, diff_nice, diff_idle; + double diff_wait, diff_irq, diff_soft_irq, diff_stolen; + double diff_total; + + diff_user = curr->user - prev->user; + diff_sys = curr->sys - prev->sys; + diff_nice = curr->nice - prev->nice; + diff_idle = curr->idle - prev->idle; + diff_wait = curr->wait - prev->wait; + diff_irq = curr->irq - prev->irq; + diff_soft_irq = curr->soft_irq - prev->soft_irq; + diff_stolen = curr->stolen - prev->stolen; + + diff_user = diff_user < 0 ? 0 : diff_user; + diff_sys = diff_sys < 0 ? 0 : diff_sys; + diff_nice = diff_nice < 0 ? 0 : diff_nice; + diff_idle = diff_idle < 0 ? 0 : diff_idle; + diff_wait = diff_wait < 0 ? 0 : diff_wait; + diff_irq = diff_irq < 0 ? 0 : diff_irq; + diff_soft_irq = diff_soft_irq < 0 ? 0 : diff_soft_irq; + diff_stolen = diff_stolen < 0 ? 0 : diff_stolen; + + diff_total = + diff_user + diff_sys + diff_nice + diff_idle + + diff_wait + diff_irq + diff_soft_irq + + diff_stolen; + + perc->user = diff_user / diff_total; + perc->sys = diff_sys / diff_total; + perc->nice = diff_nice / diff_total; + perc->idle = diff_idle / diff_total; + perc->wait = diff_wait / diff_total; + perc->irq = diff_irq / diff_total; + perc->soft_irq = diff_soft_irq / diff_total; + perc->stolen = diff_stolen / diff_total; + + perc->combined = + perc->user + perc->sys + perc->nice + perc->wait; + + return SIGAR_OK; +} diff --git a/vendor/sigar/src/sigar_getline.c b/vendor/sigar/src/sigar_getline.c new file mode 100644 index 0000000..0a8946b --- /dev/null +++ b/vendor/sigar/src/sigar_getline.c @@ -0,0 +1,1849 @@ +/* + * Copyright (C) 1991, 1992 by Chris Thewalt (thewalt@ce.berkeley.edu) + * + * Permission to use, copy, modify, and distribute this software + * for any purpose and without fee is hereby granted, provided + * that the above copyright notices appear in all copies and that both the + * copyright notice and this permission notice appear in supporting + * documentation. This software is provided "as is" without express or + * implied warranty. + */ +/* +*************************** Motivation ********************************** + +Many interactive programs read input line by line, but would like to +provide line editing and history functionality to the end-user that +runs the program. + +The input-edit package provides that functionality. As far as the +programmer is concerned, the program only asks for the next line +of input. However, until the user presses the RETURN key they can use +emacs-style line editing commands and can traverse the history of lines +previously typed. + +Other packages, such as GNU's readline, have greater capability but are +also substantially larger. Input-edit is small, since it uses neither +stdio nor any termcap features, and is also quite portable. It only uses +\b to backspace and \007 to ring the bell on errors. Since it cannot +edit multiple lines it scrolls long lines left and right on the same line. + +Input edit uses classic (not ANSI) C, and should run on any Unix +system (BSD or SYSV), PC's with the MSC compiler, or Vax/VMS (untested by me). +Porting the package to new systems basicaly requires code to read a +character when it is typed without echoing it, everything else should be OK. + +I have run the package on: + + DECstation 5000, Ultrix 4.2 with cc and gcc + Sun Sparc 2, SunOS 4.1.1, with cc + SGI Iris, IRIX System V.3, with cc + PC, DRDOS 5.0, with MSC 6.0 + +The description below is broken into two parts, the end-user (editing) +interface and the programmer interface. Send bug reports, fixes and +enhancements to: + +Chris Thewalt (thewalt@ce.berkeley.edu) +2/4/92 + +PS: I don't have, and don't want to add, a vi mode, sorry. + +************************** End-User Interface *************************** + +Entering printable keys generally inserts new text into the buffer (unless +in overwrite mode, see below). Other special keys can be used to modify +the text in the buffer. In the description of the keys below, ^n means +Control-n, or holding the CONTROL key down while pressing "n". M-B means +Meta-B (or Alt-B). Errors will ring the terminal bell. + +^A/^E : Move cursor to beginning/end of the line. +^F/^B : Move cursor forward/backward one character. +^D : Delete the character under the cursor. +^H, DEL : Delete the character to the left of the cursor. +^K : Kill from the cursor to the end of line. +^L : Redraw current line. +^O : Toggle overwrite/insert mode. Initially in insert mode. Text + added in overwrite mode (including yanks) overwrite + existing text, while insert mode does not overwrite. +^P/^N : Move to previous/next item on history list. +^R/^S : Perform incremental reverse/forward search for string on + the history list. Typing normal characters adds to the current + search string and searches for a match. Typing ^R/^S marks + the start of a new search, and moves on to the next match. + Typing ^H or DEL deletes the last character from the search + string, and searches from the starting location of the last search. + Therefore, repeated DEL's appear to unwind to the match nearest + the point at which the last ^R or ^S was typed. If DEL is + repeated until the search string is empty the search location + begins from the start of the history list. Typing ESC or + any other editing character accepts the current match and + loads it into the buffer, terminating the search. +^T : Toggle the characters under and to the left of the cursor. +^U : Kill from beginning to the end of the line. +^Y : Yank previously killed text back at current location. Note that + this will overwrite or insert, depending on the current mode. +M-F/M-B : Move cursor forward/backward one word. +M-D : Delete the word under the cursor. +^SPC : Set mark. +^W : Kill from mark to point. +^X : Exchange mark and point. +TAB : By default adds spaces to buffer to get to next TAB stop + (just after every 8th column), although this may be rebound by the + programmer, as described below. +NL, CR : returns current buffer to the program. + +DOS and ANSI terminal arrow key sequences are recognized, and act like: + + up : same as ^P + down : same as ^N + left : same as ^B + right : same as ^F + +************************** Programmer Interface *************************** + +The programmer accesses input-edit through five functions, and optionally +through three additional function pointer hooks. The five functions are: + +char *Getline(char *prompt) + + Prints the prompt and allows the user to edit the current line. A + pointer to the line is returned when the user finishes by + typing a newline or a return. Unlike GNU readline, the returned + pointer points to a static buffer, so it should not be free'd, and + the buffer contains the newline character. The user enters an + end-of-file by typing ^D on an empty line, in which case the + first character of the returned buffer is '\0'. Getline never + returns a NULL pointer. The getline function sets terminal modes + needed to make it work, and resets them before returning to the + caller. The getline function also looks for characters that would + generate a signal, and resets the terminal modes before raising the + signal condition. If the signal handler returns to getline, + the screen is automatically redrawn and editing can continue. + Getline now requires both the input and output stream be connected + to the terminal (not redirected) so the main program should check + to make sure this is true. If input or output have been redirected + the main program should use buffered IO (stdio) rather than + the slow 1 character read()s that getline uses (note: this limitation + has been removed). + +char *Getlinem(int mode, char *prompt) + + mode: -1 = init, 0 = line mode, 1 = one char at a time mode, 2 = cleanup + + More specialized version of the previous function. Depending on + the mode, it behaves differently. Its main use is to allow + character by character input from the input stream (useful when + in an X eventloop). It will return NULL as long as no newline + has been received. Its use is typically as follows: + 1) In the program initialization part one calls: Getlinem(-1,"prompt>") + 2) In the X inputhandler: if ((line = Getlinem(1,NULL))) { + 3) In the termination routine: Getlinem(2,NULL) + With mode=0 the function behaves exactly like the previous function. + +void Gl_config(const char *which, int value) + + Set some config options. Which can be: + "noecho": do not echo characters (used for passwd input) + "erase": do erase line after return (used for text scrollers) + +void Gl_setwidth(int width) + + Set the width of the terminal to the specified width. The default + width is 80 characters, so this function need only be called if the + width of the terminal is not 80. Since horizontal scrolling is + controlled by this parameter it is important to get it right. + +void Gl_histinit(char *file) + + This function reads a history list from file. So lines from a + previous session can be used again. + +void Gl_histadd(char *buf) + + The Gl_histadd function checks to see if the buf is not empty or + whitespace, and also checks to make sure it is different than + the last saved buffer to avoid repeats on the history list. + If the buf is a new non-blank string a copy is made and saved on + the history list, so the caller can re-use the specified buf. + +The main loop in testgl.c, included in this directory, shows how the +input-edit package can be used: + +extern char *Getline(); +extern void Gl_histadd(); +main() +{ + char *p; + Gl_histinit(".hist"); + do { + p = Getline("PROMPT>>>> "); + Gl_histadd(p); + fputs(p, stdout); + } while (*p != 0); +} + +In order to allow the main program to have additional access to the buffer, +to implement things such as completion or auto-indent modes, three +function pointers can be bound to user functions to modify the buffer as +described below. By default gl_in_hook and gl_out_hook are set to NULL, +and gl_tab_hook is bound to a function that inserts spaces until the next +logical tab stop is reached. The user can reassign any of these pointers +to other functions. Each of the functions bound to these hooks receives +the current buffer as the first argument, and must return the location of +the leftmost change made in the buffer. If the buffer isn't modified the +functions should return -1. When the hook function returns the screen is +updated to reflect any changes made by the user function. + +int (*gl_in_hook)(char *buf) + + If gl_in_hook is non-NULL the function is called each time a new + buffer is loaded. It is called when getline is entered, with an + empty buffer, it is called each time a new buffer is loaded from + the history with ^P or ^N, and it is called when an incremental + search string is accepted (when the search is terminated). The + buffer can be modified and will be redrawn upon return to Getline(). + +int (*gl_out_hook)(char *buf) + + If gl_out_hook is non-NULL it is called when a line has been + completed by the user entering a newline or return. The buffer + handed to the hook does not yet have the newline appended. If the + buffer is modified the screen is redrawn before getline returns the + buffer to the caller. + +int (*gl_tab_hook)(char *buf, int prompt_width, int *cursor_loc) + + If gl_tab_hook is non-NULL, it is called whenever a tab is typed. + In addition to receiving the buffer, the current prompt width is + given (needed to do tabbing right) and a pointer to the cursor + offset is given, where a 0 offset means the first character in the + line. Not only does the cursor_loc tell the programmer where the + TAB was received, but it can be reset so that the cursor will end + up at the specified location after the screen is redrawn. +*/ + +/* forward reference needed for gl_tab_hook */ +static int gl_tab(char *buf, int offset, int *loc); + +/********************* exported interface ********************************/ + +static int (*gl_in_hook)(char *buf) = 0; +static int (*gl_out_hook)(char *buf) = 0; +static int (*gl_tab_hook)(char *buf, int prompt_width, int *loc) = gl_tab; + +/******************** imported interface *********************************/ +#ifdef DMALLOC +/* reports leaks, which is the history buffer. dont care */ +#undef DMALLOC +#endif +#include "sigar_getline.h" +#include "sigar_private.h" +#include "sigar_util.h" +#include +#include +#include +#include +#include +#include + +/******************** internal interface *********************************/ + +static char *sigar_getlinem(int mode, char *prompt); /* allows reading char by char */ + +static void sigar_getline_config(const char *which, int value); /* set some options */ + +static void sigar_getline_clear_screen(void); + +#define BUF_SIZE 8096 + +static int gl_init_done = -1; /* terminal mode flag */ +static int gl_notty = 0; /* 1 when not a tty */ +static int gl_eof = 0; /* 1 when not a tty and read() == -1 */ +static int gl_termw = 80; /* actual terminal width */ +static int gl_scroll = 27; /* width of EOL scrolling region */ +static int gl_width = 0; /* net size available for input */ +static int gl_extent = 0; /* how far to redraw, 0 means all */ +static int gl_overwrite = 0; /* overwrite mode */ +static int gl_no_echo = 0; /* do not echo input characters */ +static int gl_passwd = 0; /* do not echo input characters */ +static int gl_erase_line = 0; /* erase line before returning */ +static int gl_pos, gl_cnt = 0; /* position and size of input */ +static char gl_buf[BUF_SIZE]; /* input buffer */ +static char gl_killbuf[BUF_SIZE]=""; /* killed text */ +static char *gl_prompt; /* to save the prompt string */ +static char gl_intrc = 0; /* keyboard SIGINT char */ +static char gl_quitc = 0; /* keyboard SIGQUIT char */ +static char gl_suspc = 0; /* keyboard SIGTSTP char */ +static char gl_dsuspc = 0; /* delayed SIGTSTP char */ +static int gl_search_mode = 0; /* search mode flag */ +static int gl_bell_enabled = 0; /* bell mode */ +static int gl_savehist = 0; /* # of lines to save in hist file */ +static char gl_histfile[256]; /* name of history file */ + +static void gl_init(); /* prepare to edit a line */ +static void gl_bell(); /* ring bell */ +static void gl_cleanup(); /* to undo gl_init */ +static void gl_char_init(); /* get ready for no echo input */ +static void gl_char_cleanup(); /* undo gl_char_init */ + +static void gl_addchar(int c); /* install specified char */ +static void gl_del(int loc); /* del, either left (-1) or cur (0) */ +static void gl_error(char *buf); /* write error msg and die */ +static void gl_fixup(char *p, int c, int cur); /* fixup state variables and screen */ +static int gl_getc(); /* read one char from terminal */ +static void gl_kill(); /* delete to EOL */ +static void gl_newline(); /* handle \n or \r */ +static void gl_putc(int c); /* write one char to terminal */ +static void gl_puts(char *buf); /* write a line to terminal */ +static void gl_transpose(); /* transpose two chars */ +static void gl_yank(); /* yank killed text */ + +static int is_whitespace(char c); /* "whitespace" very loosely interpreted */ +static void gl_back_1_word(); /* move cursor back one word */ +static void gl_kill_1_word(); /* kill to end of word */ +static void gl_kill_region(int i, int j); /* kills from i to j */ +static void gl_fwd_1_word(); /* move cursor forward one word */ +static void gl_set_mark(); /* sets mark to be at point */ +static void gl_exch(); /* exchanges point and mark */ +static void gl_wipe(); /* kills from mark to point */ +static int gl_mark = -1; /* position of mark. gl_mark<0 if not set */ + +static void hist_init(); /* initializes hist pointers */ +static char *hist_next(); /* return ptr to next item */ +static char *hist_prev(); /* return ptr to prev item */ +static char *hist_save(char *p); /* makes copy of a string, without NL */ + +static void search_addchar(int c); /* increment search string */ +static void search_term(); /* reset with current contents */ +static void search_back(int s); /* look back for current string */ +static void search_forw(int s); /* look forw for current string */ + +/************************ nonportable part *********************************/ + +#ifdef MSDOS +#include +#endif + +#ifdef WIN32 +# define MSDOS +# include +# include +#endif /* WIN32 */ + +#ifdef __MWERKS__ +#define R__MWERKS +#endif + +#ifdef R__MWERKS +# include +#endif + +#if defined(_AIX) || defined(__Lynx__) || defined(__APPLE__) +#define unix +#endif + +#if defined(__hpux) || defined(__osf__) /* W.Karig@gsi.de */ +#ifndef unix +#define unix +#endif +#endif + +#ifdef unix +#include +#if !defined(__osf__) && !defined(_AIX) /* W.Karig@gsi.de */ +#include +#endif + +#if defined(__linux__) && defined(__powerpc__) +# define R__MKLINUX // = linux on PowerMac +#endif +#if defined(__linux__) && defined(__alpha__) +# define R__ALPHALINUX // = linux on Alpha +#endif + +#if defined(TIOCGETP) && !defined(__sgi) && !defined(R__MKLINUX) && \ + !defined(R__ALPHALINUX) /* use BSD interface if possible */ +#include +static struct sgttyb new_tty, old_tty; +static struct tchars tch; +static struct ltchars ltch; +#else +#ifdef SIGTSTP /* need POSIX interface to handle SUSP */ +#include +#if defined(__sun) || defined(__sgi) || defined(R__MKLINUX) || \ + defined(R__ALPHALINUX) +#undef TIOCGETP /* Solaris and SGI define TIOCGETP in */ +#undef TIOCSETP +#endif +static struct termios new_termios, old_termios; +#else /* use SYSV interface */ +#include +static struct termio new_termio, old_termio; +#endif +#endif +#endif /* unix */ + +#ifdef VMS +#include +#include +#include +#include +#include +#include unixio + +static int setbuff[2]; /* buffer to set terminal attributes */ +static short chan = -1; /* channel to terminal */ +struct dsc$descriptor_s descrip; /* VMS descriptor */ +#endif + +static void +sigar_getline_config(const char *which, int value) +{ + if (strcmp(which, "noecho") == 0) + gl_no_echo = value; + else if (strcmp(which, "erase") == 0) + gl_erase_line = value; + else + printf("gl_config: %s ?\n", which); +} + +static void +gl_char_init() /* turn off input echo */ +{ + if (gl_notty) return; +#ifdef unix +#ifdef TIOCGETP /* BSD */ + ioctl(0, TIOCGETC, &tch); + ioctl(0, TIOCGLTC, <ch); + gl_intrc = tch.t_intrc; + gl_quitc = tch.t_quitc; + gl_suspc = ltch.t_suspc; + gl_dsuspc = ltch.t_dsuspc; + ioctl(0, TIOCGETP, &old_tty); + new_tty = old_tty; + new_tty.sg_flags |= RAW; + new_tty.sg_flags &= ~ECHO; + ioctl(0, TIOCSETP, &new_tty); +#else +#ifdef SIGTSTP /* POSIX */ + tcgetattr(0, &old_termios); + gl_intrc = old_termios.c_cc[VINTR]; + gl_quitc = old_termios.c_cc[VQUIT]; +#ifdef VSUSP + gl_suspc = old_termios.c_cc[VSUSP]; +#endif +#ifdef VDSUSP + gl_dsuspc = old_termios.c_cc[VDSUSP]; +#endif + new_termios = old_termios; + new_termios.c_iflag &= ~(BRKINT|ISTRIP|IXON|IXOFF); + new_termios.c_iflag |= (IGNBRK|IGNPAR); + new_termios.c_lflag &= ~(ICANON|ISIG|IEXTEN|ECHO); + new_termios.c_cc[VMIN] = 1; + new_termios.c_cc[VTIME] = 0; + tcsetattr(0, TCSANOW, &new_termios); +#else /* SYSV */ + ioctl(0, TCGETA, &old_termio); + gl_intrc = old_termio.c_cc[VINTR]; + gl_quitc = old_termio.c_cc[VQUIT]; + new_termio = old_termio; + new_termio.c_iflag &= ~(BRKINT|ISTRIP|IXON|IXOFF); + new_termio.c_iflag |= (IGNBRK|IGNPAR); + new_termio.c_lflag &= ~(ICANON|ISIG|ECHO); + new_termio.c_cc[VMIN] = 1; + new_termio.c_cc[VTIME] = 0; + ioctl(0, TCSETA, &new_termio); +#endif +#endif +#endif /* unix */ + +#ifdef MSDOS + gl_intrc = 'C' - '@'; + gl_quitc = 'Q' - '@'; +// gl_suspc = ltch.t_suspc; +#endif /* MSDOS */ + +#ifdef R__MWERKS + gl_intrc = 'C' - '@'; + gl_quitc = 'Q' - '@'; +#endif + +#ifdef vms + descrip.dsc$w_length = strlen("tt:"); + descrip.dsc$b_dtype = DSC$K_DTYPE_T; + descrip.dsc$b_class = DSC$K_CLASS_S; + descrip.dsc$a_pointer = "tt:"; + (void)sys$assign(&descrip,&chan,0,0); + (void)sys$qiow(0,chan,IO$_SENSEMODE,0,0,0,setbuff,8,0,0,0,0); + setbuff[1] |= TT$M_NOECHO; + (void)sys$qiow(0,chan,IO$_SETMODE,0,0,0,setbuff,8,0,0,0,0); +#endif /* vms */ +} + +static void +gl_char_cleanup() /* undo effects of gl_char_init */ +{ + if (gl_notty) return; +#ifdef unix +#ifdef TIOCSETP /* BSD */ + ioctl(0, TIOCSETP, &old_tty); +#else +#ifdef SIGTSTP /* POSIX */ + tcsetattr(0, TCSANOW, &old_termios); +#else /* SYSV */ + ioctl(0, TCSETA, &old_termio); +#endif +#endif +#endif /* unix */ + +#ifdef vms + setbuff[1] &= ~TT$M_NOECHO; + (void)sys$qiow(0,chan,IO$_SETMODE,0,0,0,setbuff,8,0,0,0,0); + sys$dassgn(chan); + chan = -1; +#endif +} + +#if defined(MSDOS) && !defined(WIN32) +// +DECK, PAUSE, T=XCC, IF=WINNT. (from KERNDOS.CAR ) +# include + int pause_() + { + int first_char; + first_char = _getch(); + if (first_char == 0 || first_char == 0xE0) first_char = -_getch(); + return first_char; + } +#endif + +#if defined(MSDOS) && defined(WIN32) +//______________________________________________________________________________ +int pause_() +{ + static HANDLE hConsoleInput = NULL; + static iCharCount = 0; + static int chLastChar = 0; + + DWORD cRead; + + INPUT_RECORD pirBuffer; + KEY_EVENT_RECORD *KeyEvent= (KEY_EVENT_RECORD *)&(pirBuffer.Event); + + if (!hConsoleInput) hConsoleInput = GetStdHandle(STD_INPUT_HANDLE); + + if (iCharCount) iCharCount--; // Whether several symbols had been read + else { + chLastChar = 0; + while (chLastChar == 0) { + if (!ReadConsoleInput(hConsoleInput, // handle of a console input buffer + &pirBuffer, // address of the buffer for read data + 1, // number of records to read + &cRead // address of number of records read + )) return 0; + + if (pirBuffer.EventType == KEY_EVENT && KeyEvent->bKeyDown == TRUE){ + iCharCount = KeyEvent->wRepeatCount - 1; + chLastChar = ((int) (KeyEvent->uChar).AsciiChar & 0xffff); + if (chLastChar) + OemToCharBuff((char const *)&chLastChar,(char *)&chLastChar,1); + else + chLastChar = - (KeyEvent->wVirtualScanCode); +// chLastChar = - (KeyEvent->wVirtualKeyCode); + } + } + } + return chLastChar; + +} +#endif + +static int +gl_getc() +/* get a character without echoing it to screen */ +{ +#ifdef MSDOS +# define k_ctrl_C 3 +# define k_ctrl_Z 26 +# define k_ctrl_Q 17 +# define k_ctrl_K 11 +# define k_rt_arr -77 +# define k_lt_arr -75 +# define k_up_arr -72 +# define k_dn_arr -80 +# define k_PGUP -73 +# define k_PGDW -81 +# define k_HOME -71 +# define k_END -79 +# define k_INS -82 +# define k_DEL -83 +# define k_ENTER 13 +# define k_CR 13 +# define k_BS 8 +# define k_ESC 27 +# define k_alt_H -35 +# define k_beep 7 +# ifndef WIN32 + int get_cursor__(int *,int *); + int display_off__(int *); + int display_on__(); + int locate_(int *,int *); + int ixc, iyc; +# endif + int pause_(); +#endif + + int c; + +#if defined(unix) + unsigned char ch; + while ((c = (read(0, &ch, 1) > 0) ? ch : -1) == -1 && errno == EINTR) + errno = 0; +#endif + +#if defined(R__MWERKS) + c = getchar(); +#endif + +#ifdef MSDOS + c = pause_(); + if (c < 0) { + switch (c) { + case k_up_arr: c = 'P' - '@'; /* up -> ^P = 16 */ + break; + case k_dn_arr: c = 'N' - '@'; /* down -> ^N = 14 */ + break; + case k_lt_arr: c = 'B' - '@'; /* left -> ^B =2 */ + break; + case k_rt_arr: c = 'F' - '@'; /* right -> ^F = 6*/ + break; + case k_INS: c = 'O' - '@'; /* right -> ^O = 15*/ + break; + case k_DEL: c = 'D' - '@'; /* Delete character under cursor = 4*/ + break; + case k_END: c = 'E' - '@'; /* Moves cursor to end of line * = 5 */ + break; + case k_HOME: c = 'A' - '@'; /* Moves cursor to beginning of line = 1*/ + break; + default: c = 0; /* make it garbage */ + } + } + else { + switch(c) { + case k_ESC: c = 'U' - '@'; /* Clear full line -> ^U */ + break; + default: + break; + } + } +#endif + +#ifdef vms + if(chan < 0) { + c='\0'; + } + (void)sys$qiow(0,chan,IO$_TTYREADALL,0,0,0,&c,1,0,0,0,0); + c &= 0177; /* get a char */ +#endif + return c; +} + +static void +gl_putc(int c) +{ + char ch = c; + + if (gl_notty) return; + + if ( !gl_passwd || !isgraph(c)) + { +#ifdef WIN32 + CharToOemBuff((char const *)&c,&ch,1); +#endif + + sigar_write(1, &ch, 1); + } +#if defined(unix) || defined(MSDOS) || defined(WIN32) || defined(R__MWERKS) +#ifdef TIOCSETP /* BSD in RAW mode, map NL to NL,CR */ + if (ch == '\n') { + ch = '\r'; + sigar_write(1, &ch, 1); + } +#endif +#endif +} + +/******************** fairly portable part *********************************/ + +static void +gl_puts(char *buf) +{ + int len = strlen(buf); + + if (gl_notty) return; +#ifdef WIN32 + { + char *OemBuf = (char *)malloc(2*len); + CharToOemBuff(buf,OemBuf,len); + sigar_write(1, OemBuf, len); + free(OemBuf); + } +#else + sigar_write(1, buf, len); +#endif +} + +static void +gl_error(char *buf) +{ + int len = strlen(buf); + + gl_cleanup(); +#ifdef WIN32 + { + char *OemBuf = (char *)malloc(2*len); + CharToOemBuff(buf,OemBuf,len); + sigar_write(2, OemBuf, len); + free(OemBuf); + } +#else + sigar_write(2, buf, len); +#endif + exit(1); +} + +static void +gl_init() +/* set up variables and terminal */ +{ + if (gl_init_done < 0) { /* -1 only on startup */ + hist_init(); + } + if (sigar_isatty(0) == 0 || sigar_isatty(1) == 0) + gl_notty = 1; + gl_char_init(); + gl_init_done = 1; +} + +static void +gl_bell() +{ + if (gl_bell_enabled) { + gl_putc('\007'); + } +} + +static void +gl_cleanup() +/* undo effects of gl_init, as necessary */ +{ + if (gl_init_done > 0) + gl_char_cleanup(); + gl_init_done = 0; +} + +SIGAR_DECLARE(void) +sigar_getline_setwidth(int w) +{ + if (w > 20) { + gl_termw = w; + gl_scroll = w / 3; + } else { + gl_error("\n*** Error: minimum screen width is 21\n"); + } +} + +SIGAR_DECLARE(void) +sigar_getline_windowchanged() +{ +#ifdef TIOCGWINSZ + if (sigar_isatty(0)) { + static char lenv[32], cenv[32]; + struct winsize wins; + ioctl(0, TIOCGWINSZ, &wins); + + if (wins.ws_col == 0) wins.ws_col = 80; + if (wins.ws_row == 0) wins.ws_row = 24; + + sigar_getline_setwidth(wins.ws_col); + + sprintf(lenv, "LINES=%d", wins.ws_row); + putenv(lenv); + sprintf(cenv, "COLUMNS=%d", wins.ws_col); + putenv(cenv); + } +#endif +} + +/* -1 = init, 0 = line mode, 1 = one char at a time mode, 2 = cleanup */ + +static char * +sigar_getlinem(int mode, char *prompt) +{ + int c, loc, tmp; + int sig; + + if (mode == 2) { + gl_cleanup(); + return NULL; + } + + if (mode < 1) { + if (mode == -1) { + sigar_getline_config("noecho", 0); + sigar_getline_config("erase", 0); + } + gl_init(); + gl_prompt = (prompt)? prompt : (char*)""; + gl_buf[0] = 0; + if (gl_in_hook) + gl_in_hook(gl_buf); + gl_fixup(gl_prompt, -2, BUF_SIZE); + if (mode == -1) return NULL; + } + while ((c = gl_getc()) >= 0) { + gl_extent = 0; /* reset to full extent */ +#ifndef WIN32 + if (isprint(c)) { +#else + if (c >= ' ') { +#endif + if (gl_search_mode) + search_addchar(c); + else + gl_addchar(c); + } else { + if (gl_search_mode) { + if (c == '\033' || c == '\016' || c == '\020') { + search_term(); + c = 0; /* ignore the character */ + } else if (c == '\010' || c == '\177') { + search_addchar(-1); /* unwind search string */ + c = 0; + } else if (c != '\022' && c != '\023') { + search_term(); /* terminate and handle char */ + } + } + /* NOTE: + * sometimes M-x turns on bit 8 ( M-x --> 'x' + 128 ) + * sometimes M-x prepends an escape character ( M-x --> '\033','x' ) + * both cases are handled ... + */ + switch (c) + { + case 'b'+128: /* M-b */ + case 'B'+128: /* M-B */ + gl_back_1_word(); + break; + case 'd'+128: /* M-d */ + case 'D'+128: /* M-D */ + gl_kill_1_word(); + break; + case 'f'+128: /* M-f */ + case 'F'+128: /* M-F */ + gl_fwd_1_word(); + break; + case '\000': /* ^SPC */ + gl_set_mark(); + break; + case '\027': /* ^W */ + gl_wipe(); + break; + case '\030': /* ^X */ + gl_exch(); + break; + case '\n': /* newline */ + case '\r': + gl_newline(); + gl_cleanup(); + return gl_buf; + /*NOTREACHED*/ + break; + case '\001': gl_fixup(gl_prompt, -1, 0); /* ^A */ + break; + case '\002': gl_fixup(gl_prompt, -1, gl_pos-1); /* ^B */ + break; + case '\004': /* ^D */ + if (gl_cnt == 0) { + gl_buf[0] = 0; + gl_cleanup(); + gl_putc('\n'); + return gl_buf; + } else { + gl_del(0); + } + break; + case '\005': gl_fixup(gl_prompt, -1, gl_cnt); /* ^E */ + break; + case '\006': gl_fixup(gl_prompt, -1, gl_pos+1); /* ^F */ + break; + case '\010': case '\177': gl_del(-1); /* ^H and DEL */ + break; + case '\t': /* TAB */ + if (gl_tab_hook) { + tmp = gl_pos; + loc = gl_tab_hook(gl_buf, strlen(gl_prompt), &tmp); + if (loc >= 0 || tmp != gl_pos || loc == -2) + gl_fixup(gl_prompt, loc, tmp); + } + break; + case '\013': gl_kill(); /* ^K */ + break; + case '\014': sigar_getline_clear_screen(); /* ^L */ + break; + case '\016': /* ^N */ + strcpy(gl_buf, hist_next()); + if (gl_in_hook) + gl_in_hook(gl_buf); + gl_fixup(gl_prompt, 0, BUF_SIZE); + break; + case '\017': gl_overwrite = !gl_overwrite; /* ^O */ + break; + case '\020': /* ^P */ + strcpy(gl_buf, hist_prev()); + if (gl_in_hook) + gl_in_hook(gl_buf); + gl_fixup(gl_prompt, 0, BUF_SIZE); + break; + case '\022': search_back(1); /* ^R */ + break; + case '\023': search_forw(1); /* ^S */ + break; + case '\024': gl_transpose(); /* ^T */ + break; + case '\025': gl_fixup(gl_prompt,-1,0); gl_kill(); /* ^U */ + break; + case '\031': gl_yank(); /* ^Y */ + break; + case '\033': + switch(c = gl_getc()) + { + case 'b': /* M-b */ + case 'B': /* M-B */ + gl_back_1_word(); + break; + case 'd': /* M-d */ + case 'D': /* M-D */ + gl_kill_1_word(); + break; + case 'f': /* M-f */ + case 'F': /* M-F */ + gl_fwd_1_word(); + break; + case '[': /* ansi arrow keys */ + case 'O': /* xterm arrow keys */ + switch(c = gl_getc()) + { + case 'A': /* up */ + strcpy(gl_buf, hist_prev()); + if (gl_in_hook) + gl_in_hook(gl_buf); + gl_fixup(gl_prompt, 0, BUF_SIZE); + break; + case 'B': /* down */ + strcpy(gl_buf, hist_next()); + if (gl_in_hook) + gl_in_hook(gl_buf); + gl_fixup(gl_prompt, 0, BUF_SIZE); + break; + case 'C': gl_fixup(gl_prompt, -1, gl_pos+1); /* right */ + break; + case 'D': gl_fixup(gl_prompt, -1, gl_pos-1); /* left */ + break; + default: /* who knows */ + gl_bell(); + break; + } + break; + default: + gl_bell(); + } + break; + default: /* check for a terminal signal */ + +#if defined(unix) || defined(WIN32) || defined(R__MWERKS) + if (c > 0) { /* ignore 0 (reset above) */ + sig = 0; +#ifdef SIGINT + if (c == gl_intrc) + sig = SIGINT; +#endif +#ifdef SIGQUIT + if (c == gl_quitc) + sig = SIGQUIT; +#endif +#ifdef SIGTSTP + if (c == gl_suspc || c == gl_dsuspc) + sig = SIGTSTP; +#endif + if (sig != 0) { + gl_cleanup(); +#if !defined(WIN32) + raise(sig); +#endif +#ifdef WIN32 + if (sig == SIGINT) GenerateConsoleCtrlEvent(CTRL_C_EVENT,0); + else raise(sig); +#endif + gl_init(); + sigar_getline_redraw(); + c = 0; + } + } +#endif /* unix */ + if (c > 0) + gl_bell(); + break; + } + } + if (mode == 1) return NULL; + } + if (c == -1 && gl_notty) + gl_eof = 1; + else + gl_eof = 0; + + gl_cleanup(); + gl_buf[0] = 0; + return gl_buf; +} + +SIGAR_DECLARE(int) +sigar_getline_eof() +{ + return gl_eof; +} + +SIGAR_DECLARE(char *) +sigar_getline(char *prompt) +{ + return sigar_getlinem(0, prompt); +} + +static void +gl_addchar(int c) +/* adds the character c to the input buffer at current location */ +{ + int i; + + if (gl_cnt >= BUF_SIZE - 1) + gl_error("\n*** Error: sigar_getline(): input buffer overflow\n"); + if (gl_overwrite == 0 || gl_pos == gl_cnt) { + for (i=gl_cnt; i >= gl_pos; i--) + gl_buf[i+1] = gl_buf[i]; + gl_buf[gl_pos] = c; + gl_fixup(gl_prompt, gl_pos, gl_pos+1); + } else { + gl_buf[gl_pos] = c; + gl_extent = 1; + gl_fixup(gl_prompt, gl_pos, gl_pos+1); + } +} + +static void +gl_yank() +/* adds the kill buffer to the input buffer at current location */ +{ + int i, len; + + len = strlen(gl_killbuf); + if (len > 0) { + gl_mark = gl_pos; + if (gl_overwrite == 0) { + if (gl_cnt + len >= BUF_SIZE - 1) + gl_error("\n*** Error: sigar_getline(): input buffer overflow\n"); + for (i=gl_cnt; i >= gl_pos; i--) + gl_buf[i+len] = gl_buf[i]; + for (i=0; i < len; i++) + gl_buf[gl_pos+i] = gl_killbuf[i]; + gl_fixup(gl_prompt, gl_pos, gl_pos+len); + } else { + if (gl_pos + len > gl_cnt) { + if (gl_pos + len >= BUF_SIZE - 1) + gl_error("\n*** Error: sigar_getline(): input buffer overflow\n"); + gl_buf[gl_pos + len] = 0; + } + for (i=0; i < len; i++) + gl_buf[gl_pos+i] = gl_killbuf[i]; + gl_extent = len; + gl_fixup(gl_prompt, gl_pos, gl_pos+len); + } + } else + gl_bell(); +} + +static void +gl_transpose() +/* switch character under cursor and to left of cursor */ +{ + int c; + + if (gl_pos > 0 && gl_cnt > gl_pos) { + c = gl_buf[gl_pos-1]; + gl_buf[gl_pos-1] = gl_buf[gl_pos]; + gl_buf[gl_pos] = c; + gl_extent = 2; + gl_fixup(gl_prompt, gl_pos-1, gl_pos); + } else + gl_bell(); +} + +static void +gl_newline() +/* + * Cleans up entire line before returning to caller. A \n is appended. + * If line longer than screen, we redraw starting at beginning + */ +{ + int change = gl_cnt; + int len = gl_cnt; + int loc = gl_width - 5; /* shifts line back to start position */ + + if (gl_cnt >= BUF_SIZE - 1) + gl_error("\n*** Error: sigar_getline(): input buffer overflow\n"); + if (gl_out_hook) { + change = gl_out_hook(gl_buf); + len = strlen(gl_buf); + } + if (gl_erase_line) { + char gl_buf0 = gl_buf[0]; + gl_buf[0] = '\0'; + gl_fixup("", 0, 0); + gl_buf[0] = gl_buf0; + } + else { + if (loc > len) + loc = len; + gl_fixup(gl_prompt, change, loc); /* must do this before appending \n */ + gl_putc('\n'); + } +#if 0 + gl_buf[len] = '\n'; + gl_buf[len+1] = '\0'; +#endif + gl_mark = -1; +} + +static void +gl_del(int loc) +/* + * Delete a character. The loc variable can be: + * -1 : delete character to left of cursor + * 0 : delete character under cursor + */ +{ + int i; + + if ((loc == -1 && gl_pos > 0) || (loc == 0 && gl_pos < gl_cnt)) { + for (i=gl_pos+loc; i < gl_cnt; i++) + gl_buf[i] = gl_buf[i+1]; + gl_fixup(gl_prompt, gl_pos+loc, gl_pos+loc); + } else + gl_bell(); +} + +static void +gl_kill() +/* delete from current position to the end of line */ +{ + if (gl_pos < gl_cnt) { + strcpy(gl_killbuf, gl_buf + gl_pos); + gl_buf[gl_pos] = '\0'; + gl_fixup(gl_prompt, gl_pos, gl_pos); + } else + gl_bell(); +} + +SIGAR_DECLARE(void) sigar_getline_redraw(void) +/* emit a newline, reset and redraw prompt and current input line */ +{ + if (gl_init_done > 0) { + gl_putc('\n'); + gl_fixup(gl_prompt, -2, gl_pos); + } +} + +#define CLEAR_SCREEN "\033[2J" + +static void sigar_getline_clear_screen(void) +{ + if (gl_init_done > 0) { + gl_putc('\n'); + /* XXX what to do for non-ansi term? */ + gl_puts(CLEAR_SCREEN); + gl_fixup(gl_prompt, -2, gl_pos); + } +} + +SIGAR_DECLARE(void) sigar_getline_reset(void) +{ + gl_fixup(gl_prompt,-1,0); + gl_kill(); +} + +static void +gl_fixup(char *prompt, int change, int cursor) +/* + * This function is used both for redrawing when input changes or for + * moving within the input line. The parameters are: + * prompt: compared to last_prompt[] for changes; + * change : the index of the start of changes in the input buffer, + * with -1 indicating no changes, -2 indicating we're on + * a new line, redraw everything. + * cursor : the desired location of the cursor after the call. + * A value of BUF_SIZE can be used to indicate the cursor should + * move just past the end of the input line. + */ +{ + static int gl_shift; /* index of first on screen character */ + static int off_right; /* true if more text right of screen */ + static int off_left; /* true if more text left of screen */ + static char last_prompt[BUF_SIZE] = ""; + int left = 0, right = -1; /* bounds for redraw */ + int padl; /* how much to erase at end of line */ + int backup; /* how far to backup before fixing */ + int new_shift; /* value of shift based on cursor */ + int extra; /* adjusts when shift (scroll) happens */ + int i; + int new_right = -1; /* alternate right bound, using gl_extent */ + int l1, l2; + + if (change == -2) { /* reset */ + gl_pos = gl_cnt = gl_shift = off_right = off_left = 0; + gl_passwd = 0; + gl_puts(prompt); + gl_passwd = gl_no_echo; + strcpy(last_prompt, prompt); + change = 0; + gl_width = gl_termw - strlen(prompt); + } else if (strcmp(prompt, last_prompt) != 0) { + l1 = strlen(last_prompt); + l2 = strlen(prompt); + gl_cnt = gl_cnt + l1 - l2; + strcpy(last_prompt, prompt); + backup = gl_pos - gl_shift + l1; + for (i=0; i < backup; i++) + gl_putc('\b'); + gl_passwd = 0; + gl_puts(prompt); + gl_passwd = gl_no_echo; + gl_pos = gl_shift; + gl_width = gl_termw - l2; + change = 0; + } + padl = (off_right)? gl_width - 1 : gl_cnt - gl_shift; /* old length */ + backup = gl_pos - gl_shift; + if (change >= 0) { + gl_cnt = strlen(gl_buf); + if (change > gl_cnt) + change = gl_cnt; + } + if (cursor > gl_cnt) { + if (cursor != BUF_SIZE) /* BUF_SIZE means end of line */ + gl_bell(); + cursor = gl_cnt; + } + if (cursor < 0) { + gl_bell(); + cursor = 0; + } + if (off_right || (off_left && cursor < gl_shift + gl_width - gl_scroll / 2)) + extra = 2; /* shift the scrolling boundary */ + else + extra = 0; + new_shift = cursor + extra + gl_scroll - gl_width; + if (new_shift > 0) { + new_shift /= gl_scroll; + new_shift *= gl_scroll; + } else + new_shift = 0; + if (new_shift != gl_shift) { /* scroll occurs */ + gl_shift = new_shift; + off_left = (gl_shift)? 1 : 0; + off_right = (gl_cnt > gl_shift + gl_width - 1)? 1 : 0; + left = gl_shift; + new_right = right = (off_right)? gl_shift + gl_width - 2 : gl_cnt; + } else if (change >= 0) { /* no scroll, but text changed */ + if (change < gl_shift + off_left) { + left = gl_shift; + } else { + left = change; + backup = gl_pos - change; + } + off_right = (gl_cnt > gl_shift + gl_width - 1)? 1 : 0; + right = (off_right)? gl_shift + gl_width - 2 : gl_cnt; + new_right = (gl_extent && (right > left + gl_extent))? + left + gl_extent : right; + } + padl -= (off_right)? gl_width - 1 : gl_cnt - gl_shift; + padl = (padl < 0)? 0 : padl; + if (left <= right) { /* clean up screen */ + for (i=0; i < backup; i++) + gl_putc('\b'); + if (left == gl_shift && off_left) { + gl_putc('$'); + left++; + } + for (i=left; i < new_right; i++) + gl_putc(gl_buf[i]); + gl_pos = new_right; + if (off_right && new_right == right) { + gl_putc('$'); + gl_pos++; + } else { + for (i=0; i < padl; i++) /* erase remains of prev line */ + gl_putc(' '); + gl_pos += padl; + } + } + i = gl_pos - cursor; /* move to final cursor location */ + if (i > 0) { + while (i--) + gl_putc('\b'); + } else { + for (i=gl_pos; i < cursor; i++) + gl_putc(gl_buf[i]); + } + gl_pos = cursor; +} + +static int +gl_tab(char *buf, int offset, int *loc) +/* default tab handler, acts like tabstops every 8 cols */ +{ + int i, count, len; + + len = strlen(buf); + count = 8 - (offset + *loc) % 8; + for (i=len; i >= *loc; i--) + buf[i+count] = buf[i]; + for (i=0; i < count; i++) + buf[*loc+i] = ' '; + i = *loc; + *loc = i + count; + return i; +} + +/******************* History stuff **************************************/ + +#ifndef HIST_SIZE +#define HIST_SIZE 100 +#endif + +static int hist_pos = 0, hist_last = 0; +static char *hist_buf[HIST_SIZE]; + +static void +hist_init() +{ + int i; + + if (gl_savehist) return; + + hist_buf[0] = ""; + for (i=1; i < HIST_SIZE; i++) + hist_buf[i] = (char *)0; +} + +SIGAR_DECLARE(void) sigar_getline_completer_set(sigar_getline_completer_t func) +{ + if (func) { + gl_tab_hook = func; + } + else { + gl_tab_hook = gl_tab; + } +} + +SIGAR_DECLARE(void) +sigar_getline_histinit(char *file) +{ + char line[256]; + FILE *fp; + int nline = 1; /* prevent from becoming 0 */ + + gl_savehist = 0; + + hist_init(); + + if (!strcmp(file, "-")) return; + + sprintf(gl_histfile, "%s", file); + + fp = fopen(gl_histfile, "r"); + if (fp) + while (fgets(line, 256, fp)) { + nline++; + sigar_getline_histadd(line); + } + else + fp = fopen(gl_histfile, "w"); + + if (fp) fclose(fp); + + gl_savehist = nline; +} + +SIGAR_DECLARE(void) +sigar_getline_histadd(char *buf) +{ + static char *prev = 0; + char *p = buf; + int len; + + while (*p == ' ' || *p == '\t' || *p == '\n') + p++; + if (*p) { + len = strlen(buf); + if (strchr(p, '\n')) /* previously line already has NL stripped */ + len--; + if (prev == 0 || strlen(prev) != len || + strncmp(prev, buf, len) != 0) { + hist_buf[hist_last] = hist_save(buf); + prev = hist_buf[hist_last]; + hist_last = (hist_last + 1) % HIST_SIZE; + if (hist_buf[hist_last] && *hist_buf[hist_last]) { + free(hist_buf[hist_last]); + } + hist_buf[hist_last] = ""; + + /* append command to history file */ + if (gl_savehist) { + FILE *fp; + fp = fopen(gl_histfile, "a+"); + if (fp) { + fprintf(fp, "%s\n", prev); + gl_savehist++; + fclose(fp); + } + + /* if more than HIST_SIZE lines, safe last 60 command and delete rest */ + if (gl_savehist > HIST_SIZE) { + FILE *ftmp; + char tname[L_tmpnam]; + char line[BUFSIZ]; + + fp = fopen(gl_histfile, "r"); + tmpnam(tname); + ftmp = fopen(tname, "w"); + if (fp && ftmp) { + int nline = 0; + while (fgets(line, BUFSIZ, fp)) { + nline++; + gl_savehist = 1; /* prevent from becoming 0 */ + if (nline > HIST_SIZE-60) { + gl_savehist++; + fprintf(ftmp, "%s", line); + } + } + } + if (fp) fclose(fp); + if (ftmp) fclose(ftmp); + + /* copy back to history file */ + fp = fopen(gl_histfile, "w"); + ftmp = fopen(tname, "r"); + if (fp && ftmp) + while (fgets(line, BUFSIZ, ftmp)) + fprintf(fp, "%s", line); + + if (fp) fclose(fp); + if (ftmp) fclose(ftmp); + remove(tname); + } + } + } + } + hist_pos = hist_last; +} + +static char * +hist_prev() +/* loads previous hist entry into input buffer, sticks on first */ +{ + char *p = 0; + int next = (hist_pos - 1 + HIST_SIZE) % HIST_SIZE; + + if (hist_buf[hist_pos] != 0 && next != hist_last) { + hist_pos = next; + p = hist_buf[hist_pos]; + } + if (p == 0) { + p = ""; + gl_bell(); + } + return p; +} + +static char * +hist_next() +/* loads next hist entry into input buffer, clears on last */ +{ + char *p = 0; + + if (hist_pos != hist_last) { + hist_pos = (hist_pos+1) % HIST_SIZE; + p = hist_buf[hist_pos]; + } + if (p == 0) { + p = ""; + gl_bell(); + } + return p; +} + +static char * +hist_save(char *p) +/* makes a copy of the string */ +{ + char *s = 0; + int len = strlen(p); + char *nl = strchr(p, '\n'); + + if (nl) { + if ((s = (char *)malloc(len)) != 0) { + strncpy(s, p, len-1); + s[len-1] = 0; + } + } else { + if ((s = (char *)malloc(len+1)) != 0) { + strcpy(s, p); + } + } + if (s == 0) + gl_error("\n*** Error: hist_save() failed on malloc\n"); + return s; +} + +/******************* Search stuff **************************************/ + +static char search_prompt[101]; /* prompt includes search string */ +static char search_string[100]; +static int search_pos = 0; /* current location in search_string */ +static int search_forw_flg = 0; /* search direction flag */ +static int search_last = 0; /* last match found */ + +static void +search_update(int c) +{ + if (c == 0) { + search_pos = 0; + search_string[0] = 0; + search_prompt[0] = '?'; + search_prompt[1] = ' '; + search_prompt[2] = 0; + } else if (c > 0) { + search_string[search_pos] = c; + search_string[search_pos+1] = 0; + search_prompt[search_pos] = c; + search_prompt[search_pos+1] = '?'; + search_prompt[search_pos+2] = ' '; + search_prompt[search_pos+3] = 0; + search_pos++; + } else { + if (search_pos > 0) { + search_pos--; + search_string[search_pos] = 0; + search_prompt[search_pos] = '?'; + search_prompt[search_pos+1] = ' '; + search_prompt[search_pos+2] = 0; + } else { + gl_bell(); + hist_pos = hist_last; + } + } +} + +static void +search_addchar(int c) +{ + char *loc; + + search_update(c); + if (c < 0) { + if (search_pos > 0) { + hist_pos = search_last; + } else { + gl_buf[0] = 0; + hist_pos = hist_last; + } + strcpy(gl_buf, hist_buf[hist_pos]); + } + if ((loc = strstr(gl_buf, search_string)) != 0) { + gl_fixup(search_prompt, 0, loc - gl_buf); + } else if (search_pos > 0) { + if (search_forw_flg) { + search_forw(0); + } else { + search_back(0); + } + } else { + gl_fixup(search_prompt, 0, 0); + } +} + +static void +search_term() +{ + gl_search_mode = 0; + if (gl_buf[0] == 0) /* not found, reset hist list */ + hist_pos = hist_last; + if (gl_in_hook) + gl_in_hook(gl_buf); + gl_fixup(gl_prompt, 0, gl_pos); +} + +static void +search_back(int new_search) +{ + int found = 0; + char *p, *loc; + + search_forw_flg = 0; + if (gl_search_mode == 0) { + search_last = hist_pos = hist_last; + search_update(0); + gl_search_mode = 1; + gl_buf[0] = 0; + gl_fixup(search_prompt, 0, 0); + } else if (search_pos > 0) { + while (!found) { + p = hist_prev(); + if (*p == 0) { /* not found, done looking */ + gl_buf[0] = 0; + gl_fixup(search_prompt, 0, 0); + found = 1; + } else if ((loc = strstr(p, search_string)) != 0) { + strcpy(gl_buf, p); + gl_fixup(search_prompt, 0, loc - p); + if (new_search) + search_last = hist_pos; + found = 1; + } + } + } else { + gl_bell(); + } +} + +static void +search_forw(int new_search) +{ + int found = 0; + char *p, *loc; + + search_forw_flg = 1; + if (gl_search_mode == 0) { + search_last = hist_pos = hist_last; + search_update(0); + gl_search_mode = 1; + gl_buf[0] = 0; + gl_fixup(search_prompt, 0, 0); + } else if (search_pos > 0) { + while (!found) { + p = hist_next(); + if (*p == 0) { /* not found, done looking */ + gl_buf[0] = 0; + gl_fixup(search_prompt, 0, 0); + found = 1; + } else if ((loc = strstr(p, search_string)) != 0) { + strcpy(gl_buf, p); + gl_fixup(search_prompt, 0, loc - p); + if (new_search) + search_last = hist_pos; + found = 1; + } + } + } else { + gl_bell(); + } +} +#if 0 +/*********************************************************************** + * * + * Strip blanks from both sides of a string. Space for the new * + * string is allocated and a pointer to it is returned. * + * * + ***********************************************************************/ +char *strip(char *s) +{ + char *r, *t1, *t2; + int l; + + l = strlen(s); + r = (char *)calloc(l+1, 1); + + if (l == 0) { + *r = '\0'; + return r; + } + + /* get rid of leading blanks */ + t1 = s; + while (*t1 == ' ') + t1++; + + t2 = s + l - 1; + while (*t2 == ' ' && t2 > s) + t2--; + + if (t1 > t2) { + *r = '\0'; + return r; + } + strncpy(r, t1, (size_t) (t2-t1+1)); + + return r; +} +#endif +/*****************************************************************************/ +/* Extra routine provided by Christian Lacunza */ +/*****************************************************************************/ + +/* move cursor back to beginning of _current_ word */ +/* unless it's already at the beginning, */ +/* in which case it moves back to the beginning */ +/* of the _previous_ word. */ +static void gl_back_1_word( void ) +{ + int i = gl_pos; + + /* if we're at the beginning of a word, */ + /* slip back into the preceeding whitespace */ + if( i>0 && is_whitespace(gl_buf[i-1]) ) { + i-=1; + } + + /* now move back over all consecutive whitespace */ + while( i>0 && is_whitespace(gl_buf[i]) ) { + i-=1; + } + + /* now keep moving back over all consecutive non-whitespace */ + /* until we find the beginning of this word. */ + /* ie. stop just before more whitespace shows up. */ + while( i>0 && !is_whitespace(gl_buf[i-1]) ) { + i-=1; + } + + /* move the cursor here */ + gl_fixup(gl_prompt, -1, i); +} + +/* kills from current position to end of word */ +static void gl_kill_1_word( void ) +{ + int i = gl_pos; + int j = gl_pos; + +/* delete this: */ +#if 0 + /* not sure what to do with "punctuation" */ + if( is_whitespace(gl_buf[j]) && gl_buf[j]!=' ' ) { + return; + } + /* first find a word */ + while( j + +#ifdef SIGAR_HAS_PCRE +#include "pcre.h" +#endif + +/* See http://gcc.gnu.org/ml/libstdc++/2002-03/msg00164.html */ +#if defined(WIN32) || (defined(__hpux) && defined(SIGAR_64BIT)) +#define strtoull strtoul +#elif (defined(__hpux) && !defined(SIGAR_64BIT)) +#define strtoull __strtoull +#else +#include +#endif + +#define SIGAR_CLEAR_ERRNO() errno = 0 + +#define strtonum_failed(src, ptr) \ + ((src == ptr) || (errno == ERANGE) || (*ptr != '\0')) + +typedef struct ptql_parse_branch_t ptql_parse_branch_t; +typedef struct ptql_branch_t ptql_branch_t; + +/* adhere to calling convention, else risk stack corruption */ +#ifdef WIN32 +#define SIGAPI WINAPI +#else +#define SIGAPI +#endif + +typedef int (SIGAPI *ptql_get_t)(sigar_t *sigar, sigar_pid_t pid, void *data); +typedef int (*ptql_branch_init_t)(ptql_parse_branch_t *parsed, ptql_branch_t *branch, + sigar_ptql_error_t *error); + +typedef int (*ptql_op_ui64_t)(ptql_branch_t *branch, + sigar_uint64_t haystack, + sigar_uint64_t needle); + +typedef int (*ptql_op_ui32_t)(ptql_branch_t *branch, + sigar_uint32_t haystack, + sigar_uint32_t needle); + +typedef int (*ptql_op_dbl_t)(ptql_branch_t *branch, + double haystack, + double needle); + +typedef int (*ptql_op_str_t)(ptql_branch_t *branch, + char *haystack, + char *needle); + +typedef int (*ptql_op_chr_t)(ptql_branch_t *branch, + char haystack, + char needle); + +typedef enum { + PTQL_VALUE_TYPE_UI64, + PTQL_VALUE_TYPE_UI32, + PTQL_VALUE_TYPE_DBL, + PTQL_VALUE_TYPE_CHR, + PTQL_VALUE_TYPE_STR, + PTQL_VALUE_TYPE_ANY +} ptql_value_type_t; + +typedef enum { + PTQL_OP_EQ, + PTQL_OP_NE, + PTQL_OP_GT, + PTQL_OP_GE, + PTQL_OP_LT, + PTQL_OP_LE, +#define PTQL_OP_MAX_NSTR PTQL_OP_LE + PTQL_OP_EW, /* rest are string only */ + PTQL_OP_SW, + PTQL_OP_RE, + PTQL_OP_CT, + PTQL_OP_MAX +} ptql_op_name_t; + +#define PTQL_OP_FLAG_PARENT 1 +#define PTQL_OP_FLAG_REF 2 +#define PTQL_OP_FLAG_GLOB 4 +#define PTQL_OP_FLAG_PID 8 +#define PTQL_OP_FLAG_ICASE 16 + +struct ptql_parse_branch_t { + char *name; + char *attr; + char *op; + char *value; + unsigned int op_flags; +}; + +typedef struct { + char *name; + ptql_get_t get; + size_t offset; + unsigned int data_size; + ptql_value_type_t type; + ptql_branch_init_t init; +} ptql_lookup_t; + +#define DATA_PTR(branch) \ + ((char *)branch->data.ptr + branch->lookup->offset) + +#define IS_ICASE(branch) \ + (branch->op_flags & PTQL_OP_FLAG_ICASE) + +#define branch_strcmp(branch, s1, s2) \ + (IS_ICASE(branch) ? strcasecmp(s1, s2) : strcmp(s1, s2)) + +#define branch_strncmp(branch, s1, s2, n) \ + (IS_ICASE(branch) ? strncasecmp(s1, s2, n) : strncmp(s1, s2, n)) + +#define branch_strEQ(branch, s1, s2) \ + (branch_strcmp(branch, s1, s2) == 0) + +#define branch_strnEQ(branch, s1, s2, n) \ + (branch_strncmp(branch, s1, s2, n) == 0) + +#define branch_strstr(branch, s1, s2) \ + (IS_ICASE(branch) ? sigar_strcasestr(s1, s2) : strstr(s1, s2)) + +#define IS_PID_SERVICE_QUERY(branch) \ + (branch->flags >= PTQL_PID_SERVICE_NAME) + +static void data_free(void *data) +{ + free(data); +} + +typedef union { + sigar_pid_t pid; + sigar_uint64_t ui64; + sigar_uint32_t ui32; + double dbl; + char chr[4]; + char *str; + void *ptr; +} any_value_t; + +struct ptql_branch_t { + ptql_lookup_t *lookup; + any_value_t data; + unsigned int data_size; + void (*data_free)(void *); + unsigned int flags; + unsigned int op_flags; + ptql_op_name_t op_name; + union { + ptql_op_ui64_t ui64; + ptql_op_ui32_t ui32; + ptql_op_dbl_t dbl; + ptql_op_chr_t chr; + ptql_op_str_t str; + } match; + any_value_t value; + void (*value_free)(void *); +}; + +typedef struct { + char *name; + ptql_lookup_t *members; +} ptql_entry_t; + +typedef struct { + unsigned long number; + unsigned long size; + ptql_branch_t *data; +} ptql_branch_list_t; + +struct sigar_ptql_query_t { + ptql_branch_list_t branches; +#ifdef PTQL_DEBUG + char *ptql; +#endif +}; + +/* XXX optimize */ +static ptql_op_name_t ptql_op_code_get(char *op) +{ + if (strEQ(op, "eq")) { + return PTQL_OP_EQ; + } + else if (strEQ(op, "ne")) { + return PTQL_OP_NE; + } + else if (strEQ(op, "gt")) { + return PTQL_OP_GT; + } + else if (strEQ(op, "ge")) { + return PTQL_OP_GE; + } + else if (strEQ(op, "lt")) { + return PTQL_OP_LT; + } + else if (strEQ(op, "le")) { + return PTQL_OP_LE; + } + else if (strEQ(op, "ew")) { + return PTQL_OP_EW; + } + else if (strEQ(op, "sw")) { + return PTQL_OP_SW; + } + else if (strEQ(op, "re")) { + return PTQL_OP_RE; + } + else if (strEQ(op, "ct")) { + return PTQL_OP_CT; + } + else { + return PTQL_OP_MAX; + } +} + +static int ptql_op_ui64_eq(ptql_branch_t *branch, + sigar_uint64_t haystack, sigar_uint64_t needle) +{ + return haystack == needle; +} + +static int ptql_op_ui64_ne(ptql_branch_t *branch, + sigar_uint64_t haystack, sigar_uint64_t needle) +{ + return haystack != needle; +} + +static int ptql_op_ui64_gt(ptql_branch_t *branch, + sigar_uint64_t haystack, sigar_uint64_t needle) +{ + return haystack > needle; +} + +static int ptql_op_ui64_ge(ptql_branch_t *branch, + sigar_uint64_t haystack, sigar_uint64_t needle) +{ + return haystack >= needle; +} + +static int ptql_op_ui64_lt(ptql_branch_t *branch, + sigar_uint64_t haystack, sigar_uint64_t needle) +{ + return haystack < needle; +} + +static int ptql_op_ui64_le(ptql_branch_t *branch, + sigar_uint64_t haystack, sigar_uint64_t needle) +{ + return haystack <= needle; +} + +static ptql_op_ui64_t ptql_op_ui64[] = { + ptql_op_ui64_eq, + ptql_op_ui64_ne, + ptql_op_ui64_gt, + ptql_op_ui64_ge, + ptql_op_ui64_lt, + ptql_op_ui64_le +}; + +static int ptql_op_ui32_eq(ptql_branch_t *branch, + sigar_uint32_t haystack, sigar_uint32_t needle) +{ + return haystack == needle; +} + +static int ptql_op_ui32_ne(ptql_branch_t *branch, + sigar_uint32_t haystack, sigar_uint32_t needle) +{ + return haystack != needle; +} + +static int ptql_op_ui32_gt(ptql_branch_t *branch, + sigar_uint32_t haystack, sigar_uint32_t needle) +{ + return haystack > needle; +} + +static int ptql_op_ui32_ge(ptql_branch_t *branch, + sigar_uint32_t haystack, sigar_uint32_t needle) +{ + return haystack >= needle; +} + +static int ptql_op_ui32_lt(ptql_branch_t *branch, + sigar_uint32_t haystack, sigar_uint32_t needle) +{ + return haystack < needle; +} + +static int ptql_op_ui32_le(ptql_branch_t *branch, + sigar_uint32_t haystack, sigar_uint32_t needle) +{ + return haystack <= needle; +} + +static ptql_op_ui32_t ptql_op_ui32[] = { + ptql_op_ui32_eq, + ptql_op_ui32_ne, + ptql_op_ui32_gt, + ptql_op_ui32_ge, + ptql_op_ui32_lt, + ptql_op_ui32_le +}; + +static int ptql_op_dbl_eq(ptql_branch_t *branch, + double haystack, double needle) +{ + return haystack == needle; +} + +static int ptql_op_dbl_ne(ptql_branch_t *branch, + double haystack, double needle) +{ + return haystack != needle; +} + +static int ptql_op_dbl_gt(ptql_branch_t *branch, + double haystack, double needle) +{ + return haystack > needle; +} + +static int ptql_op_dbl_ge(ptql_branch_t *branch, + double haystack, double needle) +{ + return haystack >= needle; +} + +static int ptql_op_dbl_lt(ptql_branch_t *branch, + double haystack, double needle) +{ + return haystack < needle; +} + +static int ptql_op_dbl_le(ptql_branch_t *branch, + double haystack, double needle) +{ + return haystack <= needle; +} + +static ptql_op_dbl_t ptql_op_dbl[] = { + ptql_op_dbl_eq, + ptql_op_dbl_ne, + ptql_op_dbl_gt, + ptql_op_dbl_ge, + ptql_op_dbl_lt, + ptql_op_dbl_le +}; + +static int ptql_op_str_eq(ptql_branch_t *branch, + char *haystack, char *needle) +{ + return branch_strEQ(branch, haystack, needle); +} + +static int ptql_op_str_ne(ptql_branch_t *branch, + char *haystack, char *needle) +{ + return !branch_strEQ(branch, haystack, needle); +} + +static int ptql_op_str_gt(ptql_branch_t *branch, + char *haystack, char *needle) +{ + return branch_strcmp(branch, haystack, needle) > 0; +} + +static int ptql_op_str_ge(ptql_branch_t *branch, + char *haystack, char *needle) +{ + return branch_strcmp(branch, haystack, needle) >= 0; +} + +static int ptql_op_str_lt(ptql_branch_t *branch, + char *haystack, char *needle) +{ + return branch_strcmp(branch, haystack, needle) < 0; +} + +static int ptql_op_str_le(ptql_branch_t *branch, + char *haystack, char *needle) +{ + return branch_strcmp(branch, haystack, needle) <= 0; +} + +static int ptql_op_str_ew(ptql_branch_t *branch, + char *haystack, char *needle) +{ + int nlen = strlen(needle); + int hlen = strlen(haystack); + int diff = hlen - nlen; + if (diff < 0) { + return 0; + } + return branch_strnEQ(branch, haystack + diff, needle, nlen); +} + +static int ptql_op_str_sw(ptql_branch_t *branch, + char *haystack, char *needle) +{ + return branch_strnEQ(branch, haystack, needle, strlen(needle)); +} + +static int ptql_op_str_re(ptql_branch_t *branch, + char *haystack, char *needle) +{ +#ifdef SIGAR_HAS_PCRE + pcre *re = (pcre *)branch->value.ptr; + int len = strlen(haystack); + int rc = + pcre_exec(re, NULL, haystack, len, 0, 0, NULL, 0); + return rc >= 0; +#else + return 0; +#endif +} + +static int ptql_op_str_ct(ptql_branch_t *branch, + char *haystack, char *needle) +{ + return branch_strstr(branch, haystack, needle) != NULL; +} + +static ptql_op_str_t ptql_op_str[] = { + ptql_op_str_eq, + ptql_op_str_ne, + ptql_op_str_gt, + ptql_op_str_ge, + ptql_op_str_lt, + ptql_op_str_le, + ptql_op_str_ew, + ptql_op_str_sw, + ptql_op_str_re, + ptql_op_str_ct +}; + +static int ptql_op_chr_eq(ptql_branch_t *branch, + char haystack, char needle) +{ + return haystack == needle; +} + +static int ptql_op_chr_ne(ptql_branch_t *branch, + char haystack, char needle) +{ + return haystack != needle; +} + +static int ptql_op_chr_gt(ptql_branch_t *branch, + char haystack, char needle) +{ + return haystack > needle; +} + +static int ptql_op_chr_ge(ptql_branch_t *branch, + char haystack, char needle) +{ + return haystack >= needle; +} + +static int ptql_op_chr_lt(ptql_branch_t *branch, + char haystack, char needle) +{ + return haystack < needle; +} + +static int ptql_op_chr_le(ptql_branch_t *branch, + char haystack, char needle) +{ + return haystack <= needle; +} + +static ptql_op_chr_t ptql_op_chr[] = { + ptql_op_chr_eq, + ptql_op_chr_ne, + ptql_op_chr_gt, + ptql_op_chr_ge, + ptql_op_chr_lt, + ptql_op_chr_le +}; + +#define PTQL_BRANCH_LIST_MAX 3 + +#define PTQL_BRANCH_LIST_GROW(branches) \ + if ((branches)->number >= (branches)->size) { \ + ptql_branch_list_grow(branches); \ + } + +static int ptql_branch_list_create(ptql_branch_list_t *branches) +{ + branches->number = 0; + branches->size = PTQL_BRANCH_LIST_MAX; + branches->data = malloc(sizeof(*(branches->data)) * + branches->size); + + return SIGAR_OK; +} + +static int ptql_branch_list_grow(ptql_branch_list_t *branches) +{ + branches->data = + realloc(branches->data, + sizeof(*(branches->data)) * + (branches->size + PTQL_BRANCH_LIST_MAX)); + branches->size += PTQL_BRANCH_LIST_MAX; + + return SIGAR_OK; +} + +static int ptql_branch_list_destroy(ptql_branch_list_t *branches) +{ + if (branches->size) { + int i; + + for (i=0; inumber; i++) { + ptql_branch_t *branch = + &branches->data[i]; + + if (branch->data_size && branch->data.ptr) { + branch->data_free(branch->data.ptr); + } + + if (branch->lookup && + ((branch->lookup->type == PTQL_VALUE_TYPE_STR) || + (branch->lookup->type == PTQL_VALUE_TYPE_ANY)) && + !(branch->op_flags & PTQL_OP_FLAG_REF)) + { + if (branch->value.str) { + branch->value_free(branch->value.str); + } + } + } + + free(branches->data); + branches->number = branches->size = 0; + } + + return SIGAR_OK; +} + +#ifdef WIN32 +#define vsnprintf _vsnprintf +#endif + +#define PTQL_ERRNAN \ + ptql_error(error, "Query value '%s' is not a number", parsed->value) + +static int ptql_error(sigar_ptql_error_t *error, const char *format, ...) +{ + va_list args; + + if (error != NULL) { + va_start(args, format); + vsnprintf(error->message, sizeof(error->message), format, args); + va_end(args); + } + + return SIGAR_PTQL_MALFORMED_QUERY; +} + +static int ptql_branch_init_any(ptql_parse_branch_t *parsed, + ptql_branch_t *branch, + sigar_ptql_error_t *error) +{ + branch->data.str = sigar_strdup(parsed->attr); + branch->data_size = strlen(parsed->attr); + return SIGAR_OK; +} + +static int ptql_str_match(sigar_t *sigar, ptql_branch_t *branch, char *value) +{ + if (!branch->value.str) { + return 0; + } +#ifndef SIGAR_HAS_PCRE + if (branch->op_name == PTQL_OP_RE) { + if (sigar->ptql_re_impl) { + return sigar->ptql_re_impl(sigar->ptql_re_data, + value, + branch->value.str); + } + else { + return 0; + } + } +#endif + return branch->match.str(branch, + value, + branch->value.str); +} + +static int ptql_branch_match(ptql_branch_t *branch) +{ + switch (branch->lookup->type) { + case PTQL_VALUE_TYPE_UI64: + return branch->match.ui64(branch, + *(sigar_uint64_t *)DATA_PTR(branch), + branch->value.ui64); + case PTQL_VALUE_TYPE_UI32: + return branch->match.ui32(branch, + *(sigar_uint32_t *)DATA_PTR(branch), + branch->value.ui32); + case PTQL_VALUE_TYPE_DBL: + return branch->match.dbl(branch, + *(double *)DATA_PTR(branch), + branch->value.dbl); + case PTQL_VALUE_TYPE_CHR: + return branch->match.chr(branch, + *(char *)DATA_PTR(branch), + branch->value.chr[0]); + case PTQL_VALUE_TYPE_STR: + case PTQL_VALUE_TYPE_ANY: + if (!branch->value.str) { + return 0; + } + return branch->match.str(branch, + (char *)DATA_PTR(branch), + branch->value.str); + default: + return 0; + } +} + +static int ptql_branch_match_ref(ptql_branch_t *branch, ptql_branch_t *ref) +{ + switch (branch->lookup->type) { + case PTQL_VALUE_TYPE_UI64: + return branch->match.ui64(branch, + *(sigar_uint64_t *)DATA_PTR(branch), + *(sigar_uint64_t *)DATA_PTR(ref)); + case PTQL_VALUE_TYPE_UI32: + return branch->match.ui32(branch, + *(sigar_uint32_t *)DATA_PTR(branch), + *(sigar_uint32_t *)DATA_PTR(ref)); + case PTQL_VALUE_TYPE_DBL: + return branch->match.dbl(branch, + *(double *)DATA_PTR(branch), + *(double *)DATA_PTR(ref)); + case PTQL_VALUE_TYPE_CHR: + return branch->match.chr(branch, + *(char *)DATA_PTR(branch), + *(char *)DATA_PTR(ref)); + case PTQL_VALUE_TYPE_STR: + case PTQL_VALUE_TYPE_ANY: + return branch->match.str(branch, + (char *)DATA_PTR(branch), + (char *)DATA_PTR(ref)); + default: + return 0; + } +} + +enum { + PTQL_PID_PID, + PTQL_PID_FILE, + PTQL_PID_SUDO_FILE, + PTQL_PID_TCP_PORT, + PTQL_PID_UDP_PORT, + PTQL_PID_SERVICE_NAME, + PTQL_PID_SERVICE_DISPLAY, + PTQL_PID_SERVICE_PATH, + PTQL_PID_SERVICE_EXE, + PTQL_PID_SERVICE_PID +}; + +#ifdef SIGAR_64BIT + +#define str2pid(value, ptr) strtoull(value, &ptr, 10) + +#define pid_branch_match(branch, pid, match_pid) \ + ptql_op_ui64[branch->op_name](branch, pid, match_pid) + +#else + +#define str2pid(value, ptr) strtoul(value, &ptr, 10) + +#define pid_branch_match(branch, pid, match_pid) \ + ptql_op_ui32[branch->op_name](branch, pid, match_pid) + +#endif + +#ifndef WIN32 +#include +int sigar_sudo_file2str(const char *fname, char *buffer, int buflen) +{ + FILE *fp; + struct stat sb; + + if (stat(fname, &sb) < 0) { + return errno; + } + if (sb.st_size > buflen) { + return ENOMEM; + } + snprintf(buffer, buflen, "sudo cat %s", fname); + if (!(fp = popen(buffer, "r"))) { + return errno; + } + (void)fgets(buffer, buflen, fp); + pclose(fp); + + return SIGAR_OK; +} +#endif + +static int ptql_branch_init_service(ptql_parse_branch_t *parsed, + ptql_branch_t *branch, + sigar_ptql_error_t *error) +{ + branch->op_flags |= PTQL_OP_FLAG_PID; + + if (strEQ(parsed->attr, "Name")) { + branch->flags = PTQL_PID_SERVICE_NAME; + } + else if (strEQ(parsed->attr, "DisplayName")) { + branch->flags = PTQL_PID_SERVICE_DISPLAY; + } + else if (strEQ(parsed->attr, "Path")) { + branch->flags = PTQL_PID_SERVICE_PATH; + } + else if (strEQ(parsed->attr, "Exe")) { + /* basename of Path */ + branch->flags = PTQL_PID_SERVICE_EXE; + } + else if (strEQ(parsed->attr, "Pid")) { + branch->flags = PTQL_PID_SERVICE_PID; + } + else { + return ptql_error(error, "Unsupported %s attribute: %s", + parsed->name, parsed->attr); + } + +#ifdef WIN32 + branch->data.str = sigar_strdup(parsed->value); + branch->data_size = strlen(parsed->value); +#endif + return SIGAR_OK; +} + +static int ptql_branch_init_pid(ptql_parse_branch_t *parsed, + ptql_branch_t *branch, + sigar_ptql_error_t *error) +{ + int use_sudo = 0; + branch->op_flags |= PTQL_OP_FLAG_PID; + + if (strEQ(parsed->attr, "Pid")) { + branch->flags = PTQL_PID_PID; + if (strEQ(parsed->value, "$$")) { + branch->data.pid = getpid(); + } + else { + char *ptr; + SIGAR_CLEAR_ERRNO(); + branch->data.pid = str2pid(parsed->value, ptr); + if (strtonum_failed(parsed->value, ptr)) { + return PTQL_ERRNAN; + } + } + return SIGAR_OK; + } + else if (strEQ(parsed->attr, "PidFile") || + (use_sudo = strEQ(parsed->attr, "SudoPidFile"))) + { + branch->flags = use_sudo ? PTQL_PID_SUDO_FILE : PTQL_PID_FILE; + branch->data.str = sigar_strdup(parsed->value); + branch->data_size = strlen(parsed->value); + return SIGAR_OK; + } + + return ptql_error(error, "Unsupported %s attribute: %s", + parsed->name, parsed->attr); +} + +#ifdef WIN32 +#define QUERY_SC_SIZE 8192 + +static int ptql_service_query_config(SC_HANDLE scm_handle, + char *name, + LPQUERY_SERVICE_CONFIG config) +{ + int status; + DWORD bytes; + SC_HANDLE handle = + OpenService(scm_handle, name, SERVICE_QUERY_CONFIG); + + if (!handle) { + return GetLastError(); + } + + if (QueryServiceConfig(handle, config, QUERY_SC_SIZE, &bytes)) { + status = SIGAR_OK; + } + else { + status = GetLastError(); + } + + CloseServiceHandle(handle); + return status; +} + +static int sigar_services_walk(sigar_services_walker_t *walker, + ptql_branch_t *branch) +{ + sigar_services_status_t ss; + char buffer[QUERY_SC_SIZE]; + char exe[SIGAR_CMDLINE_MAX]; + LPQUERY_SERVICE_CONFIG config = (LPQUERY_SERVICE_CONFIG)buffer; + DWORD i, status; + + SIGAR_ZERO(&ss); + status = sigar_services_status_get(&ss, walker->flags); + if (status != SIGAR_OK) { + return status; + } + for (i=0; iadd_service(walker, name) != SIGAR_OK) { + break; + } + continue; + } + + switch (branch->flags) { + case PTQL_PID_SERVICE_DISPLAY: + value = ss.services[i].lpDisplayName; + break; + case PTQL_PID_SERVICE_PATH: + case PTQL_PID_SERVICE_EXE: + status = ptql_service_query_config(ss.handle, name, config); + if (status == SIGAR_OK) { + if (branch->flags == PTQL_PID_SERVICE_EXE) { + value = + sigar_service_exe_get(config->lpBinaryPathName, + exe, 1); + } + else { + value = config->lpBinaryPathName; + } + } + else { + continue; + } + break; + case PTQL_PID_SERVICE_PID: + sigar_service_pid_get(walker->sigar, + name, + &service_pid); + break; + case PTQL_PID_SERVICE_NAME: + default: + value = name; + break; + } + + if ((value && ptql_str_match(walker->sigar, branch, value)) || + (service_pid && + pid_branch_match(branch, service_pid, atoi(branch->data.str)))) + { + if (walker->add_service(walker, name) != SIGAR_OK) { + break; + } + } + } + + sigar_services_status_close(&ss); + + return SIGAR_OK; +} + +static int ptql_pid_service_add(sigar_services_walker_t *walker, + char *name) +{ + sigar_pid_t service_pid; + sigar_proc_list_t *proclist = + (sigar_proc_list_t *)walker->data; + int status = + sigar_service_pid_get(walker->sigar, + name, + &service_pid); + + if (status == SIGAR_OK) { + SIGAR_PROC_LIST_GROW(proclist); + proclist->data[proclist->number++] = service_pid; + } + + return SIGAR_OK; +} + +static int ptql_pid_service_list_get(sigar_t *sigar, + ptql_branch_t *branch, + sigar_proc_list_t *proclist) +{ + sigar_services_walker_t walker; + walker.sigar = sigar; + walker.flags = SERVICE_ACTIVE; + walker.data = proclist; + walker.add_service = ptql_pid_service_add; + + return sigar_services_walk(&walker, branch); +} + +int sigar_services_query(char *ptql, + sigar_ptql_error_t *error, + sigar_services_walker_t *walker) +{ + int status; + sigar_ptql_query_t *query; + + if (ptql == NULL) { + return sigar_services_walk(walker, NULL); + } + + status = sigar_ptql_query_create(&query, (char *)ptql, error); + if (status != SIGAR_OK) { + return status; + } + + if (query->branches.number == 1) { + ptql_branch_t *branch = &query->branches.data[0]; + + if (IS_PID_SERVICE_QUERY(branch)) { + status = sigar_services_walk(walker, branch); + } + else { + ptql_error(error, "Invalid Service query: %s", ptql); + status = SIGAR_PTQL_MALFORMED_QUERY; + } + } + else { + ptql_error(error, "Too many queries (%d), must be (1)", + query->branches.number); + status = SIGAR_PTQL_MALFORMED_QUERY; + } + + sigar_ptql_query_destroy(query); + + return status; +} +#endif + +static int ptql_pid_port_get(sigar_t *sigar, + ptql_branch_t *branch, + sigar_pid_t *pid) +{ + unsigned long port = + branch->data.ui32; + int status; + int proto = + branch->flags == PTQL_PID_UDP_PORT ? + SIGAR_NETCONN_UDP : SIGAR_NETCONN_TCP; + + status = + sigar_proc_port_get(sigar, proto, port, pid); + + return status; +} + +static int ptql_pid_get(sigar_t *sigar, + ptql_branch_t *branch, + sigar_pid_t *pid) +{ + if ((branch->flags == PTQL_PID_FILE) || + (branch->flags == PTQL_PID_SUDO_FILE)) + { + char *ptr, buffer[SIGAR_PATH_MAX+1]; + const char *fname = (const char *)branch->data.str; + int status, len = sizeof(buffer)-1; + + if (branch->flags == PTQL_PID_FILE) { + status = sigar_file2str(fname, buffer, len); + } + else { +#ifdef WIN32 + return SIGAR_ENOTIMPL; +#else + status = sigar_sudo_file2str(fname, buffer, len); +#endif + } + if (status != SIGAR_OK) { + return status; + } + SIGAR_CLEAR_ERRNO(); + *pid = str2pid(buffer, ptr); + if ((buffer == ptr) || (errno == ERANGE)) { + return errno; + } + } + else if (branch->flags == PTQL_PID_SERVICE_NAME) { +#ifdef WIN32 + int status = + sigar_service_pid_get(sigar, + branch->data.str, pid); + if (status != SIGAR_OK) { + return status; + } +#else + return SIGAR_ENOTIMPL; +#endif + } + else if ((branch->flags == PTQL_PID_UDP_PORT) || + (branch->flags == PTQL_PID_TCP_PORT)) + { + int status = ptql_pid_port_get(sigar, branch, pid); + if (status != SIGAR_OK) { + return status; + } + } + else { + *pid = branch->data.pid; + } + + return SIGAR_OK; +} + +static int ptql_pid_list_get(sigar_t *sigar, + ptql_branch_t *branch, + sigar_proc_list_t *proclist) +{ + int status, i; + sigar_pid_t match_pid; + + if (IS_PID_SERVICE_QUERY(branch)) { + if ((branch->flags > PTQL_PID_SERVICE_NAME) || + (branch->op_name != PTQL_OP_EQ)) + { +#ifdef WIN32 + return ptql_pid_service_list_get(sigar, branch, proclist); +#else + return SIGAR_OK; /* no matches */ +#endif + } + } + + status = ptql_pid_get(sigar, branch, &match_pid); + + if (status != SIGAR_OK) { + /* XXX treated as non-match but would be nice to propagate */ + return SIGAR_OK; + } + + status = sigar_proc_list_get(sigar, NULL); + if (status != SIGAR_OK) { + return status; + } + for (i=0; ipids->number; i++) { + sigar_pid_t pid = sigar->pids->data[i]; + if (pid_branch_match(branch, pid, match_pid)) { + SIGAR_PROC_LIST_GROW(proclist); + proclist->data[proclist->number++] = pid; + } + } + + return SIGAR_OK; +} + +static int SIGAPI ptql_pid_match(sigar_t *sigar, + sigar_pid_t pid, + void *data) +{ + /* query already used to filter proc_list */ + return SIGAR_OK; +} + +static int ptql_args_branch_init(ptql_parse_branch_t *parsed, + ptql_branch_t *branch, + sigar_ptql_error_t *error) +{ + if (strEQ(parsed->attr, "*")) { + branch->op_flags |= PTQL_OP_FLAG_GLOB; + } + else { + char *end; + + SIGAR_CLEAR_ERRNO(); + branch->data.ui32 = + strtol(parsed->attr, &end, 10); + + if (strtonum_failed(parsed->attr, end)) { + /* conversion failed */ + return ptql_error(error, "%s is not a number", parsed->attr); + } + } + return SIGAR_OK; +} + +static int SIGAPI ptql_args_match(sigar_t *sigar, + sigar_pid_t pid, + void *data) +{ + ptql_branch_t *branch = + (ptql_branch_t *)data; + int status, matched=0; + sigar_proc_args_t args; + + status = sigar_proc_args_get(sigar, pid, &args); + if (status != SIGAR_OK) { + return status; + } + + if (branch->op_flags & PTQL_OP_FLAG_GLOB) { + int i; + for (i=0; idata.ui32; + + /* e.g. find last element of args: Args.-1.eq=weblogic.Server */ + if (num < 0) { + num += args.number; + } + if ((num >= 0) && (num < args.number)) { + matched = + ptql_str_match(sigar, branch, args.data[num]); + } + } + + sigar_proc_args_destroy(sigar, &args); + + return matched ? SIGAR_OK : !SIGAR_OK; +} + +typedef struct { + sigar_t *sigar; + ptql_branch_t *branch; + sigar_uint32_t ix; + int matched; +} proc_modules_match_t; + +static int proc_modules_match(void *data, char *name, int len) +{ + proc_modules_match_t *matcher = + (proc_modules_match_t *)data; + ptql_branch_t *branch = matcher->branch; + + if (branch->op_flags & PTQL_OP_FLAG_GLOB) { /* Modules.*.ct=libc */ + matcher->matched = + ptql_str_match(matcher->sigar, branch, name); + + if (matcher->matched) { + return !SIGAR_OK; /* stop iterating */ + } + } + else { + if (matcher->ix++ == branch->data.ui32) { /* Modules.3.ct=libc */ + matcher->matched = + ptql_str_match(matcher->sigar, branch, name); + return !SIGAR_OK; /* stop iterating */ + } + } + + return SIGAR_OK; +} + +static int SIGAPI ptql_modules_match(sigar_t *sigar, + sigar_pid_t pid, + void *data) +{ + ptql_branch_t *branch = + (ptql_branch_t *)data; + int status; + sigar_proc_modules_t procmods; + proc_modules_match_t matcher; + + matcher.sigar = sigar; + matcher.branch = branch; + matcher.ix = 0; + matcher.matched = 0; + + procmods.module_getter = proc_modules_match; + procmods.data = &matcher; + + status = sigar_proc_modules_get(sigar, pid, &procmods); + + if (status != SIGAR_OK) { + return status; + } + + return matcher.matched ? SIGAR_OK : !SIGAR_OK; +} + +typedef struct { + const char *key; + int klen; + char *val; + int vlen; +} sigar_proc_env_entry_t; + +static int sigar_proc_env_get_key(void *data, + const char *key, int klen, + char *val, int vlen) +{ + sigar_proc_env_entry_t *entry = + (sigar_proc_env_entry_t *)data; + + if ((entry->klen == klen) && + (strcmp(entry->key, key) == 0)) + { + entry->val = val; + entry->vlen = vlen; + return !SIGAR_OK; /* foundit; stop iterating */ + } + + return SIGAR_OK; +} + +static int SIGAPI ptql_env_match(sigar_t *sigar, + sigar_pid_t pid, + void *data) +{ + ptql_branch_t *branch = + (ptql_branch_t *)data; + int status, matched=0; + sigar_proc_env_t procenv; + sigar_proc_env_entry_t entry; + + /* XXX ugh this is klunky */ + entry.key = branch->data.str; + entry.klen = branch->data_size; + entry.val = NULL; + + procenv.type = SIGAR_PROC_ENV_KEY; + procenv.key = branch->data.str; + procenv.klen = branch->data_size; + procenv.env_getter = sigar_proc_env_get_key; + procenv.data = &entry; + + status = sigar_proc_env_get(sigar, pid, &procenv); + if (status != SIGAR_OK) { + return status; + } + else { + if (entry.val) { + matched = + ptql_str_match(sigar, branch, entry.val); + } + } + + return matched ? SIGAR_OK : !SIGAR_OK; +} + +static int ptql_branch_init_port(ptql_parse_branch_t *parsed, + ptql_branch_t *branch, + sigar_ptql_error_t *error) +{ + char *ptr; + + /* only 'eq' is supported here */ + if (branch->op_name != PTQL_OP_EQ) { + return ptql_error(error, "%s requires 'eq' operator", + parsed->name); + } + + if (strEQ(parsed->attr, "tcp")) { + branch->flags = PTQL_PID_TCP_PORT; + } + else if (strEQ(parsed->attr, "udp")) { + branch->flags = PTQL_PID_TCP_PORT; + } + else { + return ptql_error(error, "Unsupported %s protocol: %s", + parsed->name, parsed->attr); + } + + branch->op_flags |= PTQL_OP_FLAG_PID; + SIGAR_CLEAR_ERRNO(); + branch->data.ui32 = strtoul(parsed->value, &ptr, 10); + if (strtonum_failed(parsed->value, ptr)) { + return PTQL_ERRNAN; + } + + return SIGAR_OK; +} + +#define PTQL_LOOKUP_ENTRY(cname, member, type) \ + (ptql_get_t)sigar_##cname##_get, \ + sigar_offsetof(sigar_##cname##_t, member), \ + sizeof(sigar_##cname##_t), \ + PTQL_VALUE_TYPE_##type, \ + NULL + +/* XXX uid/pid can be larger w/ 64bit mode */ +#define PTQL_VALUE_TYPE_PID PTQL_VALUE_TYPE_UI32 +#define PTQL_VALUE_TYPE_UID PTQL_VALUE_TYPE_UI32 + +static ptql_lookup_t PTQL_Time[] = { + { "StartTime", PTQL_LOOKUP_ENTRY(proc_time, start_time, UI64) }, + { "User", PTQL_LOOKUP_ENTRY(proc_time, user, UI64) }, + { "Sys", PTQL_LOOKUP_ENTRY(proc_time, sys, UI64) }, + { "Total", PTQL_LOOKUP_ENTRY(proc_time, total, UI64) }, + { NULL } +}; + +static ptql_lookup_t PTQL_Cpu[] = { + { "StartTime", PTQL_LOOKUP_ENTRY(proc_cpu, start_time, UI64) }, + { "User", PTQL_LOOKUP_ENTRY(proc_cpu, user, UI64) }, + { "Sys", PTQL_LOOKUP_ENTRY(proc_cpu, sys, UI64) }, + { "Total", PTQL_LOOKUP_ENTRY(proc_cpu, total, UI64) }, + { "Percent", PTQL_LOOKUP_ENTRY(proc_cpu, percent, DBL) }, + { NULL } +}; + +static ptql_lookup_t PTQL_CredName[] = { + { "User", PTQL_LOOKUP_ENTRY(proc_cred_name, user, STR) }, + { "Group", PTQL_LOOKUP_ENTRY(proc_cred_name, group, STR) }, + { NULL } +}; + +static ptql_lookup_t PTQL_Mem[] = { + { "Size", PTQL_LOOKUP_ENTRY(proc_mem, size, UI64) }, + { "Resident", PTQL_LOOKUP_ENTRY(proc_mem, resident, UI64) }, + { "Share", PTQL_LOOKUP_ENTRY(proc_mem, share, UI64) }, + { "MinorFaults", PTQL_LOOKUP_ENTRY(proc_mem, minor_faults, UI64) }, + { "MajorFaults", PTQL_LOOKUP_ENTRY(proc_mem, major_faults, UI64) }, + { "PageFaults", PTQL_LOOKUP_ENTRY(proc_mem, page_faults, UI64) }, + { NULL } +}; + +static ptql_lookup_t PTQL_Exe[] = { + { "Name", PTQL_LOOKUP_ENTRY(proc_exe, name, STR) }, + { "Cwd", PTQL_LOOKUP_ENTRY(proc_exe, cwd, STR) }, + { NULL } +}; + +static ptql_lookup_t PTQL_Cred[] = { + { "Uid", PTQL_LOOKUP_ENTRY(proc_cred, uid, UID) }, + { "Gid", PTQL_LOOKUP_ENTRY(proc_cred, gid, UID) }, + { "Euid", PTQL_LOOKUP_ENTRY(proc_cred, euid, UID) }, + { "Egid", PTQL_LOOKUP_ENTRY(proc_cred, egid, UID) }, + { NULL } +}; + +static ptql_lookup_t PTQL_State[] = { + { "State", PTQL_LOOKUP_ENTRY(proc_state, state, CHR) }, + { "Name", PTQL_LOOKUP_ENTRY(proc_state, name, STR) }, + { "Ppid", PTQL_LOOKUP_ENTRY(proc_state, ppid, PID) }, + { "Tty", PTQL_LOOKUP_ENTRY(proc_state, tty, UI32) }, + { "Nice", PTQL_LOOKUP_ENTRY(proc_state, nice, UI32) }, + { "Priority", PTQL_LOOKUP_ENTRY(proc_state, priority, UI32) }, + { "Threads", PTQL_LOOKUP_ENTRY(proc_state, threads, UI64) }, + { "Processor", PTQL_LOOKUP_ENTRY(proc_state, processor, UI32) }, + { NULL } +}; + +static ptql_lookup_t PTQL_Fd[] = { + { "Total", PTQL_LOOKUP_ENTRY(proc_fd, total, UI64) }, + { NULL } +}; + +static ptql_lookup_t PTQL_Args[] = { + { NULL, ptql_args_match, 0, 0, PTQL_VALUE_TYPE_ANY, ptql_args_branch_init } +}; + +static ptql_lookup_t PTQL_Modules[] = { + { NULL, ptql_modules_match, 0, 0, PTQL_VALUE_TYPE_ANY, ptql_args_branch_init } +}; + +static ptql_lookup_t PTQL_Env[] = { + { NULL, ptql_env_match, 0, 0, PTQL_VALUE_TYPE_ANY, ptql_branch_init_any } +}; + +static ptql_lookup_t PTQL_Port[] = { + { NULL, ptql_pid_match, 0, 0, PTQL_VALUE_TYPE_ANY, ptql_branch_init_port } +}; + +static ptql_lookup_t PTQL_Pid[] = { + { NULL, ptql_pid_match, 0, 0, PTQL_VALUE_TYPE_ANY, ptql_branch_init_pid } +}; + +static ptql_lookup_t PTQL_Service[] = { + { NULL, ptql_pid_match, 0, 0, PTQL_VALUE_TYPE_ANY, ptql_branch_init_service } +}; + +static ptql_entry_t ptql_map[] = { + { "Time", PTQL_Time }, + { "Cpu", PTQL_Cpu }, + { "CredName", PTQL_CredName }, + { "Mem", PTQL_Mem }, + { "Exe", PTQL_Exe }, + { "Cred", PTQL_Cred }, + { "State", PTQL_State }, + { "Fd", PTQL_Fd }, + { "Args", PTQL_Args }, + { "Modules", PTQL_Modules }, + { "Env", PTQL_Env }, + { "Port", PTQL_Port }, + { "Pid", PTQL_Pid }, + { "Service", PTQL_Service }, + { NULL } +}; + +static int ptql_branch_parse(char *query, ptql_parse_branch_t *branch, + sigar_ptql_error_t *error) +{ + char *ptr = strchr(query, '='); + if (!ptr) { + return ptql_error(error, "Missing '='"); + } + + branch->op_flags = 0; + + *ptr = '\0'; + branch->value = ++ptr; + + if ((ptr = strchr(query, '.'))) { + *ptr = '\0'; + branch->name = query; + query = ++ptr; + } + else { + return ptql_error(error, "Missing '.'"); + } + + if ((ptr = strchr(query, '.'))) { + *ptr = '\0'; + branch->attr = query; + query = ++ptr; + } + else { + return ptql_error(error, "Missing '.'"); + } + + if (*query) { + char flag; + + while (sigar_isupper((flag = *query))) { + switch (flag) { + case 'P': + branch->op_flags |= PTQL_OP_FLAG_PARENT; + break; + case 'I': + branch->op_flags |= PTQL_OP_FLAG_ICASE; + break; + default: + return ptql_error(error, "Unsupported modifier: %c", flag); + } + + ++query; + } + + branch->op = query; + } + else { + return ptql_error(error, "Missing query"); + } + + /* Pid.Service -> Service.Name */ + if (strEQ(branch->attr, "Service")) { + branch->name = branch->attr; + branch->attr = "Name"; + } + + return SIGAR_OK; +} + +static int ptql_branch_add(ptql_parse_branch_t *parsed, + ptql_branch_list_t *branches, + sigar_ptql_error_t *error) +{ + ptql_branch_t *branch; + ptql_entry_t *entry = NULL; + ptql_lookup_t *lookup = NULL; + int i, is_set=0; + char *ptr; + + PTQL_BRANCH_LIST_GROW(branches); + + branch = &branches->data[branches->number++]; + SIGAR_ZERO(branch); + branch->data_free = data_free; + branch->value_free = data_free; + branch->op_flags = parsed->op_flags; + + branch->op_name = ptql_op_code_get(parsed->op); + if (branch->op_name == PTQL_OP_MAX) { + return ptql_error(error, "Unsupported operator: %s", parsed->op); + } + + for (i=0; ptql_map[i].name; i++) { + if (strEQ(ptql_map[i].name, parsed->name)) { + entry = &ptql_map[i]; + break; + } + } + + if (!entry) { + return ptql_error(error, "Unsupported method: %s", parsed->name); + } + + for (i=0; entry->members[i].name; i++) { + if (strEQ(entry->members[i].name, parsed->attr)) { + lookup = &entry->members[i]; + break; + } + } + + if (!lookup) { + if (entry->members[0].type == PTQL_VALUE_TYPE_ANY) { + /* Args, Env, etc. */ + lookup = &entry->members[0]; + } + else { + return ptql_error(error, "Unsupported %s attribute: %s", + parsed->name, parsed->attr); + } + } + + if (lookup->init) { + int status = lookup->init(parsed, branch, error); + if (status != SIGAR_OK) { + return status; + } + } + + branch->lookup = lookup; + + if ((lookup->type < PTQL_VALUE_TYPE_STR) && + (branch->op_name > PTQL_OP_MAX_NSTR)) + { + return ptql_error(error, "Unsupported operator '%s' for %s.%s", + parsed->op, parsed->name, parsed->attr); + } + + if (*parsed->value == '$') { + is_set = 1; + + if (branch->op_name == PTQL_OP_RE) { + /* not for use with .re */ + return ptql_error(error, "Unsupported operator '%s' with variable %s", + parsed->op, parsed->value); + } + + if (sigar_isdigit(*(parsed->value+1))) { + branch->op_flags |= PTQL_OP_FLAG_REF; + parsed->op_flags = branch->op_flags; /* for use by caller */ + branch->value.ui32 = atoi(parsed->value+1) - 1; + + if (branch->value.ui32 >= branches->number) { + /* out-of-range */ + return ptql_error(error, "Variable %s out of range (%d)", + parsed->value, branches->number); + } + else if (branch->value.ui32 == branches->number-1) { + /* self reference */ + return ptql_error(error, "Variable %s self reference", + parsed->value); + } + } + else { + if ((ptr = getenv(parsed->value+1))) { + branch->value.str = sigar_strdup(ptr); + } + else { + branch->value.str = NULL; + } + } + } + else if (branch->op_name == PTQL_OP_RE) { +#ifdef SIGAR_HAS_PCRE + const char *error; + int offset; + pcre *re = + pcre_compile(parsed->value, 0, + &error, &offset, NULL); + if (!re) { + /* XXX pcre_error ? */ + return ptql_error(error, "Invalid regex"); + } + is_set = 1; + branch->value.ptr = re; + branch->value_free = pcre_free; +#endif + } + + switch (lookup->type) { + case PTQL_VALUE_TYPE_UI64: + branch->match.ui64 = ptql_op_ui64[branch->op_name]; + if (!is_set) { + SIGAR_CLEAR_ERRNO(); + branch->value.ui64 = strtoull(parsed->value, &ptr, 10); + if (strtonum_failed(parsed->value, ptr)) { + return PTQL_ERRNAN; + } + } + break; + case PTQL_VALUE_TYPE_UI32: + branch->match.ui32 = ptql_op_ui32[branch->op_name]; + if (!is_set) { + SIGAR_CLEAR_ERRNO(); + branch->value.ui32 = strtoul(parsed->value, &ptr, 10); + if (strtonum_failed(parsed->value, ptr)) { + return PTQL_ERRNAN; + } + } + break; + case PTQL_VALUE_TYPE_DBL: + branch->match.dbl = ptql_op_dbl[branch->op_name]; + if (!is_set) { + SIGAR_CLEAR_ERRNO(); + branch->value.dbl = strtod(parsed->value, &ptr); + if (strtonum_failed(parsed->value, ptr)) { + return PTQL_ERRNAN; + } + } + break; + case PTQL_VALUE_TYPE_CHR: + branch->match.chr = ptql_op_chr[branch->op_name]; + if (!is_set) { + if (strlen(parsed->value) != 1) { + return ptql_error(error, "%s is not a char", parsed->value); + } + branch->value.chr[0] = parsed->value[0]; + } + break; + case PTQL_VALUE_TYPE_STR: + case PTQL_VALUE_TYPE_ANY: + branch->match.str = ptql_op_str[branch->op_name]; + if (!is_set) { + branch->value.str = sigar_strdup(parsed->value); + } + break; + } + + return SIGAR_OK; +} + +static int ptql_branch_compare(const void *b1, const void *b2) +{ + /* XXX can do better */ + ptql_branch_t *branch1 = (ptql_branch_t *)b1; + ptql_branch_t *branch2 = (ptql_branch_t *)b2; + return + branch1->lookup->type - + branch2->lookup->type; +} + +SIGAR_DECLARE(int) sigar_ptql_query_create(sigar_ptql_query_t **queryp, + char *ptql, + sigar_ptql_error_t *error) +{ + char *ptr, *ptql_copy = sigar_strdup(ptql); + int status = SIGAR_OK; + int has_ref = 0; + sigar_ptql_query_t *query = + *queryp = malloc(sizeof(*query)); + + (void)ptql_error(error, "Malformed query"); + +#ifdef PTQL_DEBUG + query->ptql = sigar_strdup(ptql); +#endif + + ptql = ptql_copy; + + ptql_branch_list_create(&query->branches); + + do { + ptql_parse_branch_t parsed; + + if ((ptr = strchr(ptql, ','))) { + *ptr = '\0'; + } + + status = ptql_branch_parse(ptql, &parsed, error); + if (status == SIGAR_OK) { + status = + ptql_branch_add(&parsed, &query->branches, error); + + if (status != SIGAR_OK) { + break; + } + if (parsed.op_flags & PTQL_OP_FLAG_REF) { + has_ref = 1; + } + } + else { + break; + } + + if (ptr) { + ptql = ++ptr; + } + else { + break; + } + } while (*ptql); + + free(ptql_copy); + + if (status != SIGAR_OK) { + sigar_ptql_query_destroy(query); + *queryp = NULL; + } + else if (!has_ref && (query->branches.number > 1)) { + qsort(query->branches.data, + query->branches.number, + sizeof(query->branches.data[0]), + ptql_branch_compare); + } + + if (status == SIGAR_OK) { + (void)ptql_error(error, "OK"); + } + return status; +} + +SIGAR_DECLARE(int) sigar_ptql_query_destroy(sigar_ptql_query_t *query) +{ +#ifdef PTQL_DEBUG + free(query->ptql); +#endif + ptql_branch_list_destroy(&query->branches); + free(query); + return SIGAR_OK; +} + +SIGAR_DECLARE(void) sigar_ptql_re_impl_set(sigar_t *sigar, void *data, + sigar_ptql_re_impl_t impl) +{ + sigar->ptql_re_data = data; + sigar->ptql_re_impl = impl; +} + +SIGAR_DECLARE(int) sigar_ptql_query_match(sigar_t *sigar, + sigar_ptql_query_t *query, + sigar_pid_t query_pid) +{ + int i; + + for (i=0; ibranches.number; i++) { + sigar_pid_t pid = query_pid; + int status, matched=0; + ptql_branch_t *branch = &query->branches.data[i]; + ptql_lookup_t *lookup = branch->lookup; + + if (branch->op_flags & PTQL_OP_FLAG_PARENT) { + sigar_proc_state_t state; + + status = sigar_proc_state_get(sigar, pid, &state); + if (status != SIGAR_OK) { + return status; + } + + pid = state.ppid; + } + + if (lookup->type == PTQL_VALUE_TYPE_ANY) { + /* Args, Env, etc. */ + status = lookup->get(sigar, pid, branch); + if (status == SIGAR_OK) { + matched = 1; + } + } + else { + /* standard sigar_proc_*_get / structptr + offset */ + if (!branch->data.ptr) { + branch->data_size = lookup->data_size; + branch->data.ptr = malloc(branch->data_size); + } + status = lookup->get(sigar, pid, branch->data.ptr); + if (status != SIGAR_OK) { + return status; + } + + if (branch->op_flags & PTQL_OP_FLAG_REF) { + ptql_branch_t *ref = + &query->branches.data[branch->value.ui32]; + + matched = ptql_branch_match_ref(branch, ref); + } +#ifndef SIGAR_HAS_PCRE + else if (branch->lookup->type == PTQL_VALUE_TYPE_STR) { + matched = ptql_str_match(sigar, branch, (char *)DATA_PTR(branch)); + } +#endif + else { + matched = ptql_branch_match(branch); + } + } + + if (!matched) { + return 1; + } + } + + return SIGAR_OK; +} + +static int ptql_proc_list_get(sigar_t *sigar, + sigar_ptql_query_t *query, + sigar_proc_list_t **proclist) +{ + int status; + int i; + + *proclist = NULL; + + for (i=0; ibranches.number; i++) { + ptql_branch_t *branch = &query->branches.data[i]; + + if (branch->op_flags & PTQL_OP_FLAG_PID) { + /* pre-filter pid list for Pid.* queries */ + /* XXX multiple Pid.* may result in dups */ + if (*proclist == NULL) { + *proclist = malloc(sizeof(**proclist)); + SIGAR_ZERO(*proclist); + sigar_proc_list_create(*proclist); + } + status = ptql_pid_list_get(sigar, branch, *proclist); + if (status != SIGAR_OK) { + sigar_proc_list_destroy(sigar, *proclist); + free(*proclist); + return status; + } + } + } + + if (*proclist) { + return SIGAR_OK; + } + + status = sigar_proc_list_get(sigar, NULL); + if (status != SIGAR_OK) { + return status; + } + *proclist = sigar->pids; + return SIGAR_OK; +} + +static int ptql_proc_list_destroy(sigar_t *sigar, + sigar_proc_list_t *proclist) +{ + if (proclist != sigar->pids) { + sigar_proc_list_destroy(sigar, proclist); + free(proclist); + } + + return SIGAR_OK; +} + +SIGAR_DECLARE(int) sigar_ptql_query_find_process(sigar_t *sigar, + sigar_ptql_query_t *query, + sigar_pid_t *pid) +{ + int status; + int i, matches=0; + sigar_proc_list_t *pids; + + status = ptql_proc_list_get(sigar, query, &pids); + if (status != SIGAR_OK) { + return status; + } + + for (i=0; inumber; i++) { + int query_status = + sigar_ptql_query_match(sigar, query, pids->data[i]); + + if (query_status == SIGAR_OK) { + *pid = pids->data[i]; + matches++; + } + else if (query_status == SIGAR_ENOTIMPL) { + /* let caller know query is invalid. */ + status = query_status; + break; + } /* else ok, e.g. permission denied */ + } + + ptql_proc_list_destroy(sigar, pids); + + if (status != SIGAR_OK) { + return status; + } + + if (matches == 1) { + return SIGAR_OK; + } + else if (matches == 0) { + sigar_strerror_set(sigar, + "Query did not match any processes"); + } + else { + sigar_strerror_printf(sigar, + "Query matched multiple processes (%d)", + matches); + } + + return -1; +} + +SIGAR_DECLARE(int) sigar_ptql_query_find(sigar_t *sigar, + sigar_ptql_query_t *query, + sigar_proc_list_t *proclist) +{ + int status; + int i; + sigar_proc_list_t *pids; + + status = ptql_proc_list_get(sigar, query, &pids); + if (status != SIGAR_OK) { + return status; + } + + sigar_proc_list_create(proclist); + + for (i=0; inumber; i++) { + int query_status = + sigar_ptql_query_match(sigar, query, pids->data[i]); + + if (query_status == SIGAR_OK) { + SIGAR_PROC_LIST_GROW(proclist); + proclist->data[proclist->number++] = pids->data[i]; + } + else if (query_status == SIGAR_ENOTIMPL) { + /* let caller know query is invalid. */ + status = query_status; + break; + } + } + + ptql_proc_list_destroy(sigar, pids); + + if (status != SIGAR_OK) { + sigar_proc_list_destroy(sigar, proclist); + return status; + } + + return SIGAR_OK; +} diff --git a/vendor/sigar/src/sigar_signal.c b/vendor/sigar/src/sigar_signal.c new file mode 100644 index 0000000..e32d231 --- /dev/null +++ b/vendor/sigar/src/sigar_signal.c @@ -0,0 +1,216 @@ +/* + * Copyright (c) 2007 Hyperic, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_util.h" + +#ifdef WIN32 +#include +#endif + +#include +#include + +SIGAR_DECLARE(int) sigar_proc_kill(sigar_pid_t pid, int signum) +{ +#ifdef WIN32 + int status = -1; + HANDLE proc = + OpenProcess(PROCESS_ALL_ACCESS, + TRUE, (DWORD)pid); + + if (proc) { + switch (signum) { + case 0: + status = SIGAR_OK; + break; + default: + if (TerminateProcess(proc, signum)) { + status = SIGAR_OK; + } + break; + } + + CloseHandle(proc); + + if (status == SIGAR_OK) { + return SIGAR_OK; + } + } + return GetLastError(); +#else + if (kill(pid, signum) == -1) { + return errno; + } + return SIGAR_OK; +#endif +} + +SIGAR_DECLARE(int) sigar_signum_get(char *name) +{ + if (strnEQ(name, "SIG", 3)) { + name += 3; + } + + switch (*name) { + case 'A': +#ifdef SIGABRT + if (strEQ(name, "ABRT")) return SIGABRT; +#endif +#ifdef SIGALRM + if (strEQ(name, "ALRM")) return SIGALRM; +#endif + break; + case 'B': +#ifdef SIGBUS + if (strEQ(name, "BUS")) return SIGBUS; +#endif + break; + case 'C': +#ifdef SIGCONT + if (strEQ(name, "CONT")) return SIGCONT; +#endif +#ifdef SIGCHLD + if (strEQ(name, "CHLD")) return SIGCHLD; +#endif +#ifdef SIGCLD + if (strEQ(name, "CLD")) return SIGCLD; +#endif + break; + case 'E': +#ifdef SIGEMT + if (strEQ(name, "EMT")) return SIGEMT; +#endif + break; + case 'F': +#ifdef SIGFPE + if (strEQ(name, "FPE")) return SIGFPE; +#endif + break; + case 'H': +#ifdef SIGHUP + if (strEQ(name, "HUP")) return SIGHUP; +#endif + break; + case 'I': +#ifdef SIGINT + if (strEQ(name, "INT")) return SIGINT; +#endif +#ifdef SIGILL + if (strEQ(name, "ILL")) return SIGILL; +#endif +#ifdef SIGIOT + if (strEQ(name, "IOT")) return SIGIOT; +#endif +#ifdef SIGIO + if (strEQ(name, "IO")) return SIGIO; +#endif +#ifdef SIGINFO + if (strEQ(name, "INFO")) return SIGINFO; +#endif + break; + case 'K': +#ifdef SIGKILL + if (strEQ(name, "KILL")) return SIGKILL; +#endif + break; + case 'P': +#ifdef SIGPOLL + if (strEQ(name, "POLL")) return SIGPOLL; +#endif +#ifdef SIGPIPE + if (strEQ(name, "PIPE")) return SIGPIPE; +#endif +#ifdef SIGPROF + if (strEQ(name, "PROF")) return SIGPROF; +#endif +#ifdef SIGPWR + if (strEQ(name, "PWR")) return SIGPWR; +#endif + break; + case 'Q': +#ifdef SIGQUIT + if (strEQ(name, "QUIT")) return SIGQUIT; +#endif + break; + case 'S': +#ifdef SIGSEGV + if (strEQ(name, "SEGV")) return SIGSEGV; +#endif +#ifdef SIGSYS + if (strEQ(name, "SYS")) return SIGSYS; +#endif +#ifdef SIGSTOP + if (strEQ(name, "STOP")) return SIGSTOP; +#endif +#ifdef SIGSTKFLT + if (strEQ(name, "STKFLT")) return SIGSTKFLT; +#endif + break; + case 'T': +#ifdef SIGTRAP + if (strEQ(name, "TRAP")) return SIGTRAP; +#endif +#ifdef SIGTERM + if (strEQ(name, "TERM")) return SIGTERM; +#endif +#ifdef SIGTSTP + if (strEQ(name, "TSTP")) return SIGTSTP; +#endif +#ifdef SIGTTIN + if (strEQ(name, "TTIN")) return SIGTTIN; +#endif +#ifdef SIGTTOU + if (strEQ(name, "TTOU")) return SIGTTOU; +#endif + break; + case 'U': +#ifdef SIGURG + if (strEQ(name, "URG")) return SIGURG; +#endif +#ifdef SIGUSR1 + if (strEQ(name, "USR1")) return SIGUSR1; +#endif +#ifdef SIGUSR2 + if (strEQ(name, "USR2")) return SIGUSR2; +#endif + break; + case 'V': +#ifdef SIGVTALRM + if (strEQ(name, "VTALRM")) return SIGVTALRM; +#endif + break; + case 'W': +#ifdef SIGWINCH + if (strEQ(name, "WINCH")) return SIGWINCH; +#endif + break; + case 'X': +#ifdef SIGXCPU + if (strEQ(name, "XCPU")) return SIGXCPU; +#endif +#ifdef SIGXFSZ + if (strEQ(name, "XFSZ")) return SIGXFSZ; +#endif + break; + default: + break; + } + + return -1; +} + diff --git a/vendor/sigar/src/sigar_util.c b/vendor/sigar/src/sigar_util.c new file mode 100644 index 0000000..3c668fc --- /dev/null +++ b/vendor/sigar/src/sigar_util.c @@ -0,0 +1,1060 @@ +/* + * Copyright (c) 2004-2009 Hyperic, Inc. + * Copyright (c) 2009 SpringSource, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include +#include +#include +#include +#include + +#include "sigar.h" +#include "sigar_private.h" +#include "sigar_util.h" +#include "sigar_os.h" + +#ifndef WIN32 + +#include +#include + +SIGAR_INLINE char *sigar_uitoa(char *buf, unsigned int n, int *len) +{ + char *start = buf + UITOA_BUFFER_SIZE - 1; + + *start = 0; + + do { + *--start = '0' + (n % 10); + ++*len; + n /= 10; + } while (n); + + return start; +} + +SIGAR_INLINE char *sigar_skip_line(char *buffer, int buflen) +{ + char *ptr = buflen ? + (char *)memchr(buffer, '\n', buflen) : /* bleh */ + strchr(buffer, '\n'); + return ++ptr; +} + +SIGAR_INLINE char *sigar_skip_token(char *p) +{ + while (sigar_isspace(*p)) p++; + while (*p && !sigar_isspace(*p)) p++; + return p; +} + +SIGAR_INLINE char *sigar_skip_multiple_token(char *p, int count) +{ + int i; + + for (i = 0; i < count; i++) { + p = sigar_skip_token(p); + } + + return p; +} + +char *sigar_getword(char **line, char stop) +{ + char *pos = *line; + int len; + char *res; + + while ((*pos != stop) && *pos) { + ++pos; + } + + len = pos - *line; + res = malloc(len + 1); + memcpy(res, *line, len); + res[len] = 0; + + if (stop) { + while (*pos == stop) { + ++pos; + } + } + + *line = pos; + + return res; +} + +/* avoiding sprintf */ + +char *sigar_proc_filename(char *buffer, int buflen, + sigar_pid_t bigpid, + const char *fname, int fname_len) +{ + int len = 0; + char *ptr = buffer; + unsigned int pid = (unsigned int)bigpid; /* XXX -- This isn't correct */ + char pid_buf[UITOA_BUFFER_SIZE]; + char *pid_str = sigar_uitoa(pid_buf, pid, &len); + + assert((unsigned int)buflen >= + (SSTRLEN(PROCP_FS_ROOT) + UITOA_BUFFER_SIZE + fname_len + 1)); + + memcpy(ptr, PROCP_FS_ROOT, SSTRLEN(PROCP_FS_ROOT)); + ptr += SSTRLEN(PROCP_FS_ROOT); + + memcpy(ptr, pid_str, len); + ptr += len; + + memcpy(ptr, fname, fname_len); + ptr += fname_len; + *ptr = '\0'; + + return buffer; +} + +int sigar_proc_file2str(char *buffer, int buflen, + sigar_pid_t pid, + const char *fname, + int fname_len) +{ + int retval; + + buffer = sigar_proc_filename(buffer, buflen, pid, + fname, fname_len); + + retval = sigar_file2str(buffer, buffer, buflen); + + if (retval != SIGAR_OK) { + switch (retval) { + case ENOENT: + retval = ESRCH; /* no such process */ + default: + break; + } + } + + return retval; +} + +int sigar_proc_list_procfs_get(sigar_t *sigar, + sigar_proc_list_t *proclist) +{ + DIR *dirp = opendir("/proc"); + struct dirent *ent; +#ifdef HAVE_READDIR_R + struct dirent dbuf; +#endif + + if (!dirp) { + return errno; + } + +#ifdef HAVE_READDIR_R + while (readdir_r(dirp, &dbuf, &ent) == 0) { + if (ent == NULL) { + break; + } +#else + while ((ent = readdir(dirp))) { +#endif + if (!sigar_isdigit(*ent->d_name)) { + continue; + } + + /* XXX: more sanity checking */ + + SIGAR_PROC_LIST_GROW(proclist); + + proclist->data[proclist->number++] = + strtoul(ent->d_name, NULL, 10); + } + + closedir(dirp); + + return SIGAR_OK; +} + +int sigar_proc_fd_count(sigar_t *sigar, sigar_pid_t pid, + sigar_uint64_t *total) +{ + DIR *dirp; + struct dirent *ent; +#ifdef HAVE_READDIR_R + struct dirent dbuf; +#endif + char name[BUFSIZ]; + + (void)SIGAR_PROC_FILENAME(name, pid, "/fd"); + + *total = 0; + + if (!(dirp = opendir(name))) { + return errno; + } + +#ifdef HAVE_READDIR_R + while (readdir_r(dirp, &dbuf, &ent) == 0) { + if (ent == NULL) { + break; + } +#else + while ((ent = readdir(dirp))) { +#endif + if (!sigar_isdigit(*ent->d_name)) { + continue; + } + + (*total)++; + } + + closedir(dirp); + + return SIGAR_OK; +} + +int sigar_procfs_args_get(sigar_t *sigar, sigar_pid_t pid, + sigar_proc_args_t *procargs) +{ + char buffer[9086], *buf=NULL, *ptr; + int fd, len, total=0; + + (void)SIGAR_PROC_FILENAME(buffer, pid, "/cmdline"); + + if ((fd = open(buffer, O_RDONLY)) < 0) { + if (errno == ENOENT) { + return ESRCH; + } + return errno; + } + + buffer[0] = '\0'; + + /* XXX: possible to get rid of some mallocs here. + * but, unlikely this will be called often so it + * might not even matter much. + */ + while ((len = read(fd, buffer, sizeof(buffer)-1)) > 0) { + if (len == 0) { + break; + } + buf = realloc(buf, total+len+1); + memcpy(buf+total, buffer, len); + total += len; + } + + close(fd); + + /* e.g. /proc/2/cmdline */ + if (total == 0) { + procargs->number = 0; + return SIGAR_OK; + } + + buf[total] = '\0'; + ptr = buf; + + while (total > 0) { + int alen = strlen(ptr)+1; + char *arg = malloc(alen); + + SIGAR_PROC_ARGS_GROW(procargs); + memcpy(arg, ptr, alen); + + procargs->data[procargs->number++] = arg; + + total -= alen; + if (total > 0) { + ptr += alen; + } + } + + free(buf); + + return SIGAR_OK; +} + +#endif /* WIN32 */ + +/* from httpd/server/util.c */ +char *sigar_strcasestr(const char *s1, const char *s2) +{ + char *p1, *p2; + if (*s2 == '\0') { + /* an empty s2 */ + return((char *)s1); + } + while(1) { + for ( ; (*s1 != '\0') && (sigar_tolower(*s1) != sigar_tolower(*s2)); s1++); + if (*s1 == '\0') { + return(NULL); + } + /* found first character of s2, see if the rest matches */ + p1 = (char *)s1; + p2 = (char *)s2; + for (++p1, ++p2; sigar_tolower(*p1) == sigar_tolower(*p2); ++p1, ++p2) { + if (*p1 == '\0') { + /* both strings ended together */ + return((char *)s1); + } + } + if (*p2 == '\0') { + /* second string ended, a match */ + break; + } + /* didn't find a match here, try starting at next character in s1 */ + s1++; + } + return((char *)s1); +} + +int sigar_mem_calc_ram(sigar_t *sigar, sigar_mem_t *mem) +{ + sigar_int64_t total = mem->total / 1024, diff; + sigar_uint64_t lram = (mem->total / (1024 * 1024)); + int ram = (int)lram; /* must cast after division */ + int remainder = ram % 8; + + if (remainder > 0) { + ram += (8 - remainder); + } + + mem->ram = ram; + + diff = total - (mem->actual_free / 1024); + mem->used_percent = + (double)(diff * 100) / total; + + diff = total - (mem->actual_used / 1024); + mem->free_percent = + (double)(diff * 100) / total; + + return ram; +} + +#ifndef WIN32 + +sigar_iodev_t *sigar_iodev_get(sigar_t *sigar, + const char *dirname) +{ + sigar_cache_entry_t *entry; + struct stat sb; + sigar_uint64_t id; + sigar_file_system_list_t fslist; + int i, status, is_dev=0; + int debug = SIGAR_LOG_IS_DEBUG(sigar); + char dev_name[SIGAR_FS_NAME_LEN]; + + if (!sigar->fsdev) { + sigar->fsdev = sigar_cache_new(15); + } + + if (*dirname != '/') { + snprintf(dev_name, sizeof(dev_name), + SIGAR_DEV_PREFIX "%s", dirname); + dirname = dev_name; + is_dev = 1; + } + else if (SIGAR_NAME_IS_DEV(dirname)) { + is_dev = 1; + } + + if (stat(dirname, &sb) < 0) { + if (debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[iodev] stat(%s) failed", + dirname); + } + return NULL; + } + + id = SIGAR_FSDEV_ID(sb); + + entry = sigar_cache_get(sigar->fsdev, id); + + if (entry->value != NULL) { + return (sigar_iodev_t *)entry->value; + } + + if (is_dev) { + sigar_iodev_t *iodev; + entry->value = iodev = malloc(sizeof(*iodev)); + SIGAR_ZERO(iodev); + SIGAR_SSTRCPY(iodev->name, dirname); + if (debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[iodev] %s is_dev=true", dirname); + } + return iodev; + } + + status = sigar_file_system_list_get(sigar, &fslist); + + if (status != SIGAR_OK) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[iodev] file_system_list failed: %s", + sigar_strerror(sigar, status)); + return NULL; + } + + for (i=0; itype == SIGAR_FSTYPE_LOCAL_DISK) { + int retval = stat(fsp->dir_name, &sb); + sigar_cache_entry_t *ent; + + if (retval < 0) { + if (debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[iodev] inode stat(%s) failed", + fsp->dir_name); + } + continue; /* cant cache w/o inode */ + } + + ent = sigar_cache_get(sigar->fsdev, SIGAR_FSDEV_ID(sb)); + if (ent->value) { + continue; /* already cached */ + } + + if (SIGAR_NAME_IS_DEV(fsp->dev_name)) { + sigar_iodev_t *iodev; + ent->value = iodev = malloc(sizeof(*iodev)); + SIGAR_ZERO(iodev); + iodev->is_partition = 1; + SIGAR_SSTRCPY(iodev->name, fsp->dev_name); + + if (debug) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[iodev] map %s -> %s", + fsp->dir_name, iodev->name); + } + } + } + } + + sigar_file_system_list_destroy(sigar, &fslist); + + if (entry->value && + (((sigar_iodev_t *)entry->value)->name[0] != '\0')) + { + return (sigar_iodev_t *)entry->value; + } + else { + return NULL; + } +} +#endif + +double sigar_file_system_usage_calc_used(sigar_t *sigar, + sigar_file_system_usage_t *fsusage) +{ + /* + * win32 will not convert __uint64 to double. + * convert to KB then do unsigned long -> double. + */ + sigar_uint64_t b_used = (fsusage->total - fsusage->free) / 1024; + sigar_uint64_t b_avail = fsusage->avail / 1024; + unsigned long utotal = b_used + b_avail; + unsigned long used = b_used; + + if (utotal != 0) { + unsigned long u100 = used * 100; + double pct = u100 / utotal + + ((u100 % utotal != 0) ? 1 : 0); + return pct / 100; + } + + return 0; +} + +typedef struct { + sigar_uint32_t eax; + sigar_uint32_t ebx; + sigar_uint32_t ecx; + sigar_uint32_t edx; +} sigar_cpuid_t; + +#if defined(__GNUC__) && !defined(__sun) + +# if defined(__i386__) +# define SIGAR_HAS_CPUID +static void sigar_cpuid(sigar_uint32_t request, sigar_cpuid_t *id) +{ + /* derived from: */ + /* http://svn.red-bean.com/repos/minor/trunk/gc/barriers-ia-32.c */ + asm volatile ("mov %%ebx, %%esi\n\t" + "cpuid\n\t" + "xchgl %%ebx, %%esi" + : "=a" (id->eax), + "=S" (id->ebx), + "=c" (id->ecx), + "=d" (id->edx) + : "0" (request) + : "memory"); +} +# elif defined(__amd64__) +# define SIGAR_HAS_CPUID +static void sigar_cpuid(sigar_uint32_t request, + sigar_cpuid_t *id) +{ + /* http://svn.red-bean.com/repos/minor/trunk/gc/barriers-amd64.c */ + asm volatile ("cpuid\n\t" + : "=a" (id->eax), + "=b" (id->ebx), + "=c" (id->ecx), + "=d" (id->edx) + : "0" (request) + : "memory"); +} +# endif +#elif defined(WIN32) +# ifdef _M_X64 +# include +# define SIGAR_HAS_CPUID +static void sigar_cpuid(sigar_uint32_t request, + sigar_cpuid_t *id) +{ + sigar_uint32_t info[4]; + __cpuid(info, request); /* as of MSVC 7 */ + memcpy(id, &info[0], sizeof(info)); +} +# else +# define SIGAR_HAS_CPUID +static void sigar_cpuid(sigar_uint32_t request, + sigar_cpuid_t *id) +{ + __asm { + mov edi, id + mov eax, [edi].eax + mov ecx, [edi].ecx + cpuid + mov [edi].eax, eax + mov [edi].ebx, ebx + mov [edi].ecx, ecx + mov [edi].edx, edx + } +} +# endif +#endif + +#define INTEL_ID 0x756e6547 +#define AMD_ID 0x68747541 + +int sigar_cpu_core_count(sigar_t *sigar) +{ +#if defined(SIGAR_HAS_CPUID) + sigar_cpuid_t id; + + if (sigar->lcpu == -1) { + sigar->lcpu = 1; + + sigar_cpuid(0, &id); + + if ((id.ebx == INTEL_ID) || (id.ebx == AMD_ID)) { + sigar_cpuid(1, &id); + + if (id.edx & (1<<28)) { + sigar->lcpu = (id.ebx & 0x00FF0000) >> 16; + } + } + + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[cpu] %d cores per socket", sigar->lcpu); + } + + return sigar->lcpu; +#elif defined(__sun) || defined(__hpux) || defined(_AIX) + return 1; +#else + sigar->lcpu = 1; + return sigar->lcpu; +#endif +} + +int sigar_cpu_core_rollup(sigar_t *sigar) +{ +#ifdef SIGAR_HAS_CPUID + int log_rollup = + SIGAR_LOG_IS_DEBUG(sigar) && + (sigar->lcpu == -1); + + (void)sigar_cpu_core_count(sigar); + + if (sigar->cpu_list_cores) { + if (log_rollup && (sigar->lcpu > 1)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[cpu] treating cores as-is"); + } + } + else { + if (log_rollup && (sigar->lcpu > 1)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "[cpu] rolling up cores to sockets"); + return 1; + } + } +#endif + return 0; +} + +#define IS_CPU_R(p) \ + ((*p == '(') && (*(p+1) == 'R') && (*(p+2) == ')')) + +typedef struct { + char *name; /* search */ + int len; + char *rname; /* replace */ + int rlen; +} cpu_model_str_t; + +/* to later replace 's' with 'r' */ +#define CPU_MODEL_ENT_R(s, r) \ + { s, sizeof(s)-1, r, sizeof(r) } + +#define CPU_MODEL_ENT(s) \ + CPU_MODEL_ENT_R(s, s) + +/* after the vendor part of the string is removed, + * looking for startsWith the entries below + * to remove the crap after the model name, see + * ../exp/intel_amd_cpu_models.txt + */ +static const cpu_model_str_t cpu_models[] = { + /* intel */ + CPU_MODEL_ENT("Xeon"), + CPU_MODEL_ENT_R("XEON", "Xeon"), + CPU_MODEL_ENT("Pentium III"), + CPU_MODEL_ENT("Pentium II"), + CPU_MODEL_ENT_R("Pentium(R) III", "Pentium III"), + CPU_MODEL_ENT_R("Pentium(R) 4", "Pentium 4"), + CPU_MODEL_ENT_R("Pentium(R) M", "Pentium M"), + CPU_MODEL_ENT("Pentium Pro"), + CPU_MODEL_ENT("Celeron"), + + /* amd */ + CPU_MODEL_ENT("Opteron"), + CPU_MODEL_ENT("Athlon"), + CPU_MODEL_ENT("Duron"), + CPU_MODEL_ENT_R("K6(tm)-III", "K6 III"), + CPU_MODEL_ENT_R("K6(tm) 3D+", "K6 3D+"), + { NULL } +}; + +/* common to win32 and linux */ +void sigar_cpu_model_adjust(sigar_t *sigar, sigar_cpu_info_t *info) +{ + int len, i; + char model[128], *ptr=model, *end; + + memcpy(model, info->model, sizeof(model)); + + /* trim leading and trailing spaces */ + len = strlen(model); + end = &model[len-1]; + while (*ptr == ' ') ++ptr; + while (*end == ' ') *end-- = '\0'; + + /* remove vendor from model name */ + len = strlen(info->vendor); + if (strnEQ(ptr, info->vendor, len)) { + ptr += len; + if (IS_CPU_R(ptr)) { + ptr += 3; /* remove (R) */ + } + while (*ptr == ' ') ++ptr; + } + + if (*ptr == '-') { + ++ptr; /* e.g. was AMD-K6... */ + } + + for (i=0; cpu_models[i].name; i++) { + const cpu_model_str_t *cpu_model = &cpu_models[i]; + + if (strnEQ(ptr, cpu_model->name, cpu_model->len)) { + memcpy(info->model, cpu_model->rname, cpu_model->rlen); + return; + } + } + + strcpy(info->model, ptr); +} + +/* attempt to derive MHz from model name + * currently works for certain intel strings + * see exp/intel_amd_cpu_models.txt + */ +int sigar_cpu_mhz_from_model(char *model) +{ + int mhz = SIGAR_FIELD_NOTIMPL; + char *ptr = model; + + while (*ptr && (ptr = strchr(ptr, ' '))) { + while(*ptr && !sigar_isdigit(*ptr)) { + ptr++; + } + mhz = sigar_strtoul(ptr); + + if (*ptr == '.') { + /* e.g. "2.40GHz" */ + ++ptr; + mhz *= 100; + mhz += sigar_strtoul(ptr); + break; + } + else if (strnEQ(ptr, "GHz", 3) || + strnEQ(ptr, "MHz", 3)) + { + /* e.g. "1500MHz" */ + break; + } + else { + mhz = SIGAR_FIELD_NOTIMPL; + } + } + + if (mhz != SIGAR_FIELD_NOTIMPL) { + if (strnEQ(ptr, "GHz", 3)) { + mhz *= 10; + } + } + + return mhz; +} + +#if !defined(WIN32) && !defined(NETWARE) +#include +#include +#include +#include +#ifdef SIGAR_HPUX +#include +#endif +#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__sun) || defined(DARWIN) +#include +#endif +#if defined(__sun) || defined(SIGAR_HPUX) +#include +#endif +#if defined(_AIX) || defined(SIGAR_HPUX) || defined(__OpenBSD__) || defined(__NetBSD__) +#include +#endif + +static enum clnt_stat get_sockaddr(struct sockaddr_in *addr, char *host) +{ + register struct hostent *hp; + sigar_hostent_t data; + + memset(addr, 0, sizeof(struct sockaddr_in)); + addr->sin_family = AF_INET; + + if ((addr->sin_addr.s_addr = inet_addr(host)) == -1) { + if (!(hp = sigar_gethostbyname(host, &data))) { + return RPC_UNKNOWNHOST; + } + memcpy(&addr->sin_addr, hp->h_addr, hp->h_length); + } + + return RPC_SUCCESS; +} + +char *sigar_rpc_strerror(int err) +{ + return (char *)clnt_sperrno(err); +} + +SIGAR_DECLARE(int) sigar_rpc_ping(char *host, + int protocol, + unsigned long program, + unsigned long version) +{ + CLIENT *client; + struct sockaddr_in addr; + int sock; + struct timeval timeout; + unsigned short port = 0; + enum clnt_stat rpc_stat; + + rpc_stat = get_sockaddr(&addr, host); + if (rpc_stat != RPC_SUCCESS) { + return rpc_stat; + } + + timeout.tv_sec = 2; + timeout.tv_usec = 0; + addr.sin_port = htons(port); + sock = RPC_ANYSOCK; + + if (protocol == SIGAR_NETCONN_UDP) { + client = + clntudp_create(&addr, program, version, + timeout, &sock); + } + else if (protocol == SIGAR_NETCONN_TCP) { + client = + clnttcp_create(&addr, program, version, + &sock, 0, 0); + } + else { + return RPC_UNKNOWNPROTO; + } + + if (!client) { + return rpc_createerr.cf_stat; + } + + timeout.tv_sec = 10; + timeout.tv_usec = 0; + rpc_stat = clnt_call(client, NULLPROC, (xdrproc_t)xdr_void, NULL, + (xdrproc_t)xdr_void, NULL, timeout); + + clnt_destroy(client); + + return rpc_stat; +} +#endif + +int sigar_file2str(const char *fname, char *buffer, int buflen) +{ + int len, status; + int fd = open(fname, O_RDONLY); + + if (fd < 0) { + return ENOENT; + } + + if ((len = read(fd, buffer, buflen)) < 0) { + status = errno; + } + else { + status = SIGAR_OK; + buffer[len] = '\0'; + } + close(fd); + + return status; +} + +#ifdef WIN32 +#define vsnprintf _vsnprintf +#endif + +#ifdef WIN32 +# define rindex strrchr +#endif + +static int proc_module_get_self(void *data, char *name, int len) +{ + sigar_t *sigar = (sigar_t *)data; + char *ptr = rindex(name, '/'); + + if (!ptr) { + return SIGAR_OK; + } + + if (strnEQ(ptr+1, "libsigar-", 9)) { + int offset = ptr - name; + + sigar->self_path = sigar_strdup(name); + *(sigar->self_path + offset) = '\0'; /* chop libsigar-*.so */ + + if (SIGAR_LOG_IS_DEBUG(sigar)) { + sigar_log_printf(sigar, SIGAR_LOG_DEBUG, + "detected sigar-lib='%s'", + sigar->self_path); + } + + return !SIGAR_OK; /* break loop */ + } + + return SIGAR_OK; +} + +char *sigar_get_self_path(sigar_t *sigar) +{ + if (!sigar->self_path) { + sigar_proc_modules_t procmods; + char *self_path = getenv("SIGAR_PATH"); + + if (self_path) { + sigar->self_path = sigar_strdup(self_path); + return sigar->self_path; + } + + procmods.module_getter = proc_module_get_self; + procmods.data = sigar; + + sigar_proc_modules_get(sigar, + sigar_pid_get(sigar), + &procmods); + + if (!sigar->self_path) { + /* dont try again */ + sigar->self_path = sigar_strdup("."); + } + } + + return sigar->self_path; +} + +#ifdef SIGAR_HAS_DLINFO_MODULES + +static int sigar_dlinfo_get(sigar_t *sigar, const char *func, + void **handle, Link_map **map) +{ + Dl_info dli; + + if (!dladdr((void *)((uintptr_t)sigar_dlinfo_get), &dli)) { + sigar_log_printf(sigar, SIGAR_LOG_ERROR, + "[%s] dladdr(%s) = %s", + func, SIGAR_FUNC, dlerror()); + return ESRCH; + } + + if (!(*handle = dlopen(dli.dli_fname, RTLD_LAZY))) { + sigar_log_printf(sigar, SIGAR_LOG_ERROR, + "[%s] dlopen(%s) = %s", + func, dli.dli_fname, dlerror()); + return ESRCH; + } + + dlinfo(*handle, RTLD_DI_LINKMAP, map); + + if (!map) { + sigar_log_printf(sigar, SIGAR_LOG_ERROR, + "[%s] dlinfo = %s", + func, dlerror()); + return ESRCH; + } + + return SIGAR_OK; +} + +int sigar_dlinfo_modules(sigar_t *sigar, sigar_proc_modules_t *procmods) +{ + int status; + void *handle; + Link_map *map; + + status = sigar_dlinfo_get(sigar, SIGAR_FUNC, &handle, &map); + if (status != SIGAR_OK) { + return status; + } + + while (map->l_prev != NULL) { + map = map->l_prev; + } + + do { + int status = + procmods->module_getter(procmods->data, + (char *)map->l_name, + strlen(map->l_name)); + + if (status != SIGAR_OK) { + /* not an error; just stop iterating */ + break; + } + } while ((map = map->l_next)); + + dlclose(handle); + + return SIGAR_OK; +} +#endif + +SIGAR_DECLARE(void) sigar_log_printf(sigar_t *sigar, int level, + const char *format, ...) +{ + va_list args; + char buffer[8192]; + + if (level > sigar->log_level) { + return; + } + + if (!sigar->log_impl) { + return; + } + + va_start(args, format); + vsnprintf(buffer, sizeof(buffer), format, args); + va_end(args); + + sigar->log_impl(sigar, sigar->log_data, level, buffer); +} + +SIGAR_DECLARE(void) sigar_log(sigar_t *sigar, int level, char *message) +{ + if (level > sigar->log_level) { + return; + } + + if (!sigar->log_impl) { + return; + } + + sigar->log_impl(sigar, sigar->log_data, level, message); +} + +SIGAR_DECLARE(void) sigar_log_impl_set(sigar_t *sigar, void *data, + sigar_log_impl_t impl) +{ + sigar->log_data = data; + sigar->log_impl = impl; +} + +SIGAR_DECLARE(int) sigar_log_level_get(sigar_t *sigar) +{ + return sigar->log_level; +} + +static const char *log_levels[] = { + "FATAL", + "ERROR", + "WARN", + "INFO", + "DEBUG", + "TRACE" +}; + +SIGAR_DECLARE(const char *) sigar_log_level_string_get(sigar_t *sigar) +{ + return log_levels[sigar->log_level]; +} + +SIGAR_DECLARE(void) sigar_log_level_set(sigar_t *sigar, int level) +{ + sigar->log_level = level; +} + +SIGAR_DECLARE(void) sigar_log_impl_file(sigar_t *sigar, void *data, + int level, char *message) +{ + FILE *fp = (FILE*)data; + fprintf(fp, "[%s] %s\n", log_levels[level], message); +} + +#ifndef WIN32 +sigar_int64_t sigar_time_now_millis(void) +{ + struct timeval tv; + gettimeofday(&tv, NULL); + return ((tv.tv_sec * SIGAR_USEC) + tv.tv_usec) / SIGAR_MSEC; +} +#endif diff --git a/vendor/sigar/src/sigar_version_autoconf.c b/vendor/sigar/src/sigar_version_autoconf.c new file mode 100644 index 0000000..7b1f865 --- /dev/null +++ b/vendor/sigar/src/sigar_version_autoconf.c @@ -0,0 +1,22 @@ +#include "sigar.h" + +static sigar_version_t sigar_version = { + __DATE__, + "@SCM_REVISION@", + "libsigar 1.6.2", + "x86_64-apple-darwin11.4.0", + "darwin11.4.0", + "x86_64", + "SIGAR-1.6.2, " + "SCM revision @SCM_REVISION@, " + "built "__DATE__" as x86_64", + 1, + 6, + 2, + 0 +}; + +SIGAR_DECLARE(sigar_version_t *) sigar_version_get(void) +{ + return &sigar_version; +}