/* * Copyright (c) 2005 Darren Tucker <dtucker@zip.com.au> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #define SSH_DONT_OVERLOAD_OPENSSL_FUNCS #include "includes.h" #ifdef WITH_OPENSSL #include <stdarg.h> #include <string.h> #ifdef USE_OPENSSL_ENGINE # include <openssl/engine.h> # include <openssl/conf.h> #endif #include "log.h" #include "openssl-compat.h" /* * OpenSSL version numbers: MNNFFPPS: major minor fix patch status * We match major, minor, fix and status (not patch) for <1.0.0. * After that, we acceptable compatible fix versions (so we * allow 1.0.1 to work with 1.0.0). Going backwards is only allowed * within a patch series. */ int ssh_compatible_openssl(long headerver, long libver) { long mask, hfix, lfix; /* exact match is always OK */ if (headerver == libver) return 1; /* for versions < 1.0.0, major,minor,fix,status must match */ if (headerver < 0x1000000f) { mask = 0xfffff00fL; /* major,minor,fix,status */ return (headerver & mask) == (libver & mask); } /* * For versions >= 1.0.0, major,minor,status must match and library * fix version must be equal to or newer than the header. */ mask = 0xfff0000fL; /* major,minor,status */ hfix = (headerver & 0x000ff000) >> 12; lfix = (libver & 0x000ff000) >> 12; if ( (headerver & mask) == (libver & mask) && lfix >= hfix) return 1; return 0; } #ifdef USE_OPENSSL_ENGINE void ssh_OpenSSL_add_all_algorithms(void) { OpenSSL_add_all_algorithms(); /* Enable use of crypto hardware */ ENGINE_load_builtin_engines(); ENGINE_register_all_complete(); #if OPENSSL_VERSION_NUMBER < 0x10001000L OPENSSL_config(NULL); #else OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS | OPENSSL_INIT_ADD_ALL_DIGESTS | OPENSSL_INIT_LOAD_CONFIG, NULL); #endif } #endif #endif /* WITH_OPENSSL */ |