[331] | 1 | /*
|
---|
| 2 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
|
---|
| 3 | *
|
---|
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
|
---|
| 5 | * this file except in compliance with the License. You can obtain a copy
|
---|
| 6 | * in the file LICENSE in the source distribution or at
|
---|
| 7 | * https://www.openssl.org/source/license.html
|
---|
| 8 | */
|
---|
| 9 |
|
---|
| 10 | #include "e_os.h"
|
---|
| 11 |
|
---|
| 12 | #include "internal/err.h"
|
---|
| 13 | #include <openssl/crypto.h>
|
---|
| 14 | #include <openssl/evp.h>
|
---|
| 15 | #include <assert.h>
|
---|
| 16 | #include "ssl_locl.h"
|
---|
| 17 | #include "internal/thread_once.h"
|
---|
| 18 |
|
---|
| 19 | static int stopped;
|
---|
| 20 |
|
---|
| 21 | static void ssl_library_stop(void);
|
---|
| 22 |
|
---|
| 23 | static CRYPTO_ONCE ssl_base = CRYPTO_ONCE_STATIC_INIT;
|
---|
| 24 | static int ssl_base_inited = 0;
|
---|
| 25 | DEFINE_RUN_ONCE_STATIC(ossl_init_ssl_base)
|
---|
| 26 | {
|
---|
| 27 | #ifdef OPENSSL_INIT_DEBUG
|
---|
| 28 | fprintf(stderr, "OPENSSL_INIT: ossl_init_ssl_base: "
|
---|
| 29 | "Adding SSL ciphers and digests\n");
|
---|
| 30 | #endif
|
---|
| 31 | #ifndef OPENSSL_NO_DES
|
---|
| 32 | EVP_add_cipher(EVP_des_cbc());
|
---|
| 33 | EVP_add_cipher(EVP_des_ede3_cbc());
|
---|
| 34 | #endif
|
---|
| 35 | #ifndef OPENSSL_NO_IDEA
|
---|
| 36 | EVP_add_cipher(EVP_idea_cbc());
|
---|
| 37 | #endif
|
---|
| 38 | #ifndef OPENSSL_NO_RC4
|
---|
| 39 | EVP_add_cipher(EVP_rc4());
|
---|
| 40 | # ifndef OPENSSL_NO_MD5
|
---|
| 41 | EVP_add_cipher(EVP_rc4_hmac_md5());
|
---|
| 42 | # endif
|
---|
| 43 | #endif
|
---|
| 44 | #ifndef OPENSSL_NO_RC2
|
---|
| 45 | EVP_add_cipher(EVP_rc2_cbc());
|
---|
| 46 | /*
|
---|
| 47 | * Not actually used for SSL/TLS but this makes PKCS#12 work if an
|
---|
| 48 | * application only calls SSL_library_init().
|
---|
| 49 | */
|
---|
| 50 | EVP_add_cipher(EVP_rc2_40_cbc());
|
---|
| 51 | #endif
|
---|
| 52 | EVP_add_cipher(EVP_aes_128_cbc());
|
---|
| 53 | EVP_add_cipher(EVP_aes_192_cbc());
|
---|
| 54 | EVP_add_cipher(EVP_aes_256_cbc());
|
---|
| 55 | EVP_add_cipher(EVP_aes_128_gcm());
|
---|
| 56 | EVP_add_cipher(EVP_aes_256_gcm());
|
---|
| 57 | EVP_add_cipher(EVP_aes_128_ccm());
|
---|
| 58 | EVP_add_cipher(EVP_aes_256_ccm());
|
---|
| 59 | EVP_add_cipher(EVP_aes_128_cbc_hmac_sha1());
|
---|
| 60 | EVP_add_cipher(EVP_aes_256_cbc_hmac_sha1());
|
---|
| 61 | EVP_add_cipher(EVP_aes_128_cbc_hmac_sha256());
|
---|
| 62 | EVP_add_cipher(EVP_aes_256_cbc_hmac_sha256());
|
---|
| 63 | #ifndef OPENSSL_NO_CAMELLIA
|
---|
| 64 | EVP_add_cipher(EVP_camellia_128_cbc());
|
---|
| 65 | EVP_add_cipher(EVP_camellia_256_cbc());
|
---|
| 66 | #endif
|
---|
| 67 | #if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
|
---|
| 68 | EVP_add_cipher(EVP_chacha20_poly1305());
|
---|
| 69 | #endif
|
---|
| 70 |
|
---|
| 71 | #ifndef OPENSSL_NO_SEED
|
---|
| 72 | EVP_add_cipher(EVP_seed_cbc());
|
---|
| 73 | #endif
|
---|
| 74 |
|
---|
| 75 | #ifndef OPENSSL_NO_MD5
|
---|
| 76 | EVP_add_digest(EVP_md5());
|
---|
| 77 | EVP_add_digest_alias(SN_md5, "ssl3-md5");
|
---|
| 78 | EVP_add_digest(EVP_md5_sha1());
|
---|
| 79 | #endif
|
---|
| 80 | EVP_add_digest(EVP_sha1()); /* RSA with sha1 */
|
---|
| 81 | EVP_add_digest_alias(SN_sha1, "ssl3-sha1");
|
---|
| 82 | EVP_add_digest_alias(SN_sha1WithRSAEncryption, SN_sha1WithRSA);
|
---|
| 83 | EVP_add_digest(EVP_sha224());
|
---|
| 84 | EVP_add_digest(EVP_sha256());
|
---|
| 85 | EVP_add_digest(EVP_sha384());
|
---|
| 86 | EVP_add_digest(EVP_sha512());
|
---|
| 87 | #ifndef OPENSSL_NO_COMP
|
---|
| 88 | # ifdef OPENSSL_INIT_DEBUG
|
---|
| 89 | fprintf(stderr, "OPENSSL_INIT: ossl_init_ssl_base: "
|
---|
| 90 | "SSL_COMP_get_compression_methods()\n");
|
---|
| 91 | # endif
|
---|
| 92 | /*
|
---|
| 93 | * This will initialise the built-in compression algorithms. The value
|
---|
| 94 | * returned is a STACK_OF(SSL_COMP), but that can be discarded safely
|
---|
| 95 | */
|
---|
| 96 | SSL_COMP_get_compression_methods();
|
---|
| 97 | #endif
|
---|
| 98 | /* initialize cipher/digest methods table */
|
---|
| 99 | ssl_load_ciphers();
|
---|
| 100 |
|
---|
| 101 | #ifdef OPENSSL_INIT_DEBUG
|
---|
| 102 | fprintf(stderr, "OPENSSL_INIT: ossl_init_ssl_base: "
|
---|
| 103 | "SSL_add_ssl_module()\n");
|
---|
| 104 | #endif
|
---|
| 105 | SSL_add_ssl_module();
|
---|
| 106 | /*
|
---|
| 107 | * We ignore an error return here. Not much we can do - but not that bad
|
---|
| 108 | * either. We can still safely continue.
|
---|
| 109 | */
|
---|
| 110 | OPENSSL_atexit(ssl_library_stop);
|
---|
| 111 | ssl_base_inited = 1;
|
---|
| 112 | return 1;
|
---|
| 113 | }
|
---|
| 114 |
|
---|
| 115 | static CRYPTO_ONCE ssl_strings = CRYPTO_ONCE_STATIC_INIT;
|
---|
| 116 | static int ssl_strings_inited = 0;
|
---|
| 117 | DEFINE_RUN_ONCE_STATIC(ossl_init_load_ssl_strings)
|
---|
| 118 | {
|
---|
| 119 | /*
|
---|
| 120 | * OPENSSL_NO_AUTOERRINIT is provided here to prevent at compile time
|
---|
| 121 | * pulling in all the error strings during static linking
|
---|
| 122 | */
|
---|
| 123 | #if !defined(OPENSSL_NO_ERR) && !defined(OPENSSL_NO_AUTOERRINIT)
|
---|
| 124 | # ifdef OPENSSL_INIT_DEBUG
|
---|
| 125 | fprintf(stderr, "OPENSSL_INIT: ossl_init_load_ssl_strings: "
|
---|
| 126 | "ERR_load_SSL_strings()\n");
|
---|
| 127 | # endif
|
---|
| 128 | ERR_load_SSL_strings();
|
---|
| 129 | #endif
|
---|
| 130 | ssl_strings_inited = 1;
|
---|
| 131 | return 1;
|
---|
| 132 | }
|
---|
| 133 |
|
---|
| 134 | DEFINE_RUN_ONCE_STATIC(ossl_init_no_load_ssl_strings)
|
---|
| 135 | {
|
---|
| 136 | /* Do nothing in this case */
|
---|
| 137 | return 1;
|
---|
| 138 | }
|
---|
| 139 |
|
---|
| 140 | static void ssl_library_stop(void)
|
---|
| 141 | {
|
---|
| 142 | /* Might be explicitly called and also by atexit */
|
---|
| 143 | if (stopped)
|
---|
| 144 | return;
|
---|
| 145 | stopped = 1;
|
---|
| 146 |
|
---|
| 147 | if (ssl_base_inited) {
|
---|
| 148 | #ifndef OPENSSL_NO_COMP
|
---|
| 149 | # ifdef OPENSSL_INIT_DEBUG
|
---|
| 150 | fprintf(stderr, "OPENSSL_INIT: ssl_library_stop: "
|
---|
| 151 | "ssl_comp_free_compression_methods_int()\n");
|
---|
| 152 | # endif
|
---|
| 153 | ssl_comp_free_compression_methods_int();
|
---|
| 154 | #endif
|
---|
| 155 | }
|
---|
| 156 |
|
---|
| 157 | if (ssl_strings_inited) {
|
---|
| 158 | #ifdef OPENSSL_INIT_DEBUG
|
---|
| 159 | fprintf(stderr, "OPENSSL_INIT: ssl_library_stop: "
|
---|
| 160 | "err_free_strings_int()\n");
|
---|
| 161 | #endif
|
---|
| 162 | /*
|
---|
| 163 | * If both crypto and ssl error strings are inited we will end up
|
---|
| 164 | * calling err_free_strings_int() twice - but that's ok. The second
|
---|
| 165 | * time will be a no-op. It's easier to do that than to try and track
|
---|
| 166 | * between the two libraries whether they have both been inited.
|
---|
| 167 | */
|
---|
| 168 | err_free_strings_int();
|
---|
| 169 | }
|
---|
| 170 | }
|
---|
| 171 |
|
---|
| 172 | /*
|
---|
| 173 | * If this function is called with a non NULL settings value then it must be
|
---|
| 174 | * called prior to any threads making calls to any OpenSSL functions,
|
---|
| 175 | * i.e. passing a non-null settings value is assumed to be single-threaded.
|
---|
| 176 | */
|
---|
| 177 | int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS * settings)
|
---|
| 178 | {
|
---|
| 179 | static int stoperrset = 0;
|
---|
| 180 |
|
---|
| 181 | if (stopped) {
|
---|
| 182 | if (!stoperrset) {
|
---|
| 183 | /*
|
---|
| 184 | * We only ever set this once to avoid getting into an infinite
|
---|
| 185 | * loop where the error system keeps trying to init and fails so
|
---|
| 186 | * sets an error etc
|
---|
| 187 | */
|
---|
| 188 | stoperrset = 1;
|
---|
| 189 | SSLerr(SSL_F_OPENSSL_INIT_SSL, ERR_R_INIT_FAIL);
|
---|
| 190 | }
|
---|
| 191 | return 0;
|
---|
| 192 | }
|
---|
| 193 |
|
---|
| 194 | if (!OPENSSL_init_crypto(opts | OPENSSL_INIT_ADD_ALL_CIPHERS
|
---|
| 195 | | OPENSSL_INIT_ADD_ALL_DIGESTS, settings))
|
---|
| 196 | return 0;
|
---|
| 197 |
|
---|
| 198 | if (!RUN_ONCE(&ssl_base, ossl_init_ssl_base))
|
---|
| 199 | return 0;
|
---|
| 200 |
|
---|
| 201 | if ((opts & OPENSSL_INIT_NO_LOAD_SSL_STRINGS)
|
---|
| 202 | && !RUN_ONCE(&ssl_strings, ossl_init_no_load_ssl_strings))
|
---|
| 203 | return 0;
|
---|
| 204 |
|
---|
| 205 | if ((opts & OPENSSL_INIT_LOAD_SSL_STRINGS)
|
---|
| 206 | && !RUN_ONCE(&ssl_strings, ossl_init_load_ssl_strings))
|
---|
| 207 | return 0;
|
---|
| 208 |
|
---|
| 209 | return 1;
|
---|
| 210 | }
|
---|