2 * Copyright (c) 2005 Darren Tucker <dtucker@zip.com.au>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
13 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
14 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #define SSH_DONT_OVERLOAD_OPENSSL_FUNCS
25 #ifdef USE_OPENSSL_ENGINE
26 # include <openssl/engine.h>
27 # include <openssl/conf.h>
32 #include "openssl-compat.h"
35 * OpenSSL version numbers: MNNFFPPS: major minor fix patch status
36 * We match major, minor, fix and status (not patch) for <1.0.0.
37 * After that, we acceptable compatible fix versions (so we
38 * allow 1.0.1 to work with 1.0.0). Going backwards is only allowed
39 * within a patch series.
43 ssh_compatible_openssl(long headerver, long libver)
45 long mask, hfix, lfix;
47 /* exact match is always OK */
48 if (headerver == libver)
51 /* for versions < 1.0.0, major,minor,fix,status must match */
52 if (headerver < 0x1000000f) {
53 mask = 0xfffff00fL; /* major,minor,fix,status */
54 return (headerver & mask) == (libver & mask);
58 * For versions >= 1.0.0, major,minor,status must match and library
59 * fix version must be equal to or newer than the header.
61 mask = 0xfff0000fL; /* major,minor,status */
62 hfix = (headerver & 0x000ff000) >> 12;
63 lfix = (libver & 0x000ff000) >> 12;
64 if ( (headerver & mask) == (libver & mask) && lfix >= hfix)
70 ssh_libcrypto_init(void)
72 #if defined(HAVE_OPENSSL_INIT_CRYPTO) && \
73 defined(OPENSSL_INIT_ADD_ALL_CIPHERS) && \
74 defined(OPENSSL_INIT_ADD_ALL_DIGESTS)
75 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS |
76 OPENSSL_INIT_ADD_ALL_DIGESTS, NULL);
77 #elif defined(HAVE_OPENSSL_ADD_ALL_ALGORITHMS)
78 OpenSSL_add_all_algorithms();
81 #ifdef USE_OPENSSL_ENGINE
82 /* Enable use of crypto hardware */
83 ENGINE_load_builtin_engines();
84 ENGINE_register_all_complete();
86 /* Load the libcrypto config file to pick up engines defined there */
87 # if defined(HAVE_OPENSSL_INIT_CRYPTO) && defined(OPENSSL_INIT_LOAD_CONFIG)
88 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS |
89 OPENSSL_INIT_ADD_ALL_DIGESTS | OPENSSL_INIT_LOAD_CONFIG, NULL);
93 #endif /* USE_OPENSSL_ENGINE */
96 #endif /* WITH_OPENSSL */