Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 2 | * All rights reserved. |
| 3 | * |
| 4 | * This package is an SSL implementation written |
| 5 | * by Eric Young (eay@cryptsoft.com). |
| 6 | * The implementation was written so as to conform with Netscapes SSL. |
| 7 | * |
| 8 | * This library is free for commercial and non-commercial use as long as |
| 9 | * the following conditions are aheared to. The following conditions |
| 10 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 12 | * included with this distribution is covered by the same copyright terms |
| 13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| 14 | * |
| 15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 16 | * the code are not to be removed. |
| 17 | * If this package is used in a product, Eric Young should be given attribution |
| 18 | * as the author of the parts of the library used. |
| 19 | * This can be in the form of a textual message at program startup or |
| 20 | * in documentation (online or textual) provided with the package. |
| 21 | * |
| 22 | * Redistribution and use in source and binary forms, with or without |
| 23 | * modification, are permitted provided that the following conditions |
| 24 | * are met: |
| 25 | * 1. Redistributions of source code must retain the copyright |
| 26 | * notice, this list of conditions and the following disclaimer. |
| 27 | * 2. Redistributions in binary form must reproduce the above copyright |
| 28 | * notice, this list of conditions and the following disclaimer in the |
| 29 | * documentation and/or other materials provided with the distribution. |
| 30 | * 3. All advertising materials mentioning features or use of this software |
| 31 | * must display the following acknowledgement: |
| 32 | * "This product includes cryptographic software written by |
| 33 | * Eric Young (eay@cryptsoft.com)" |
| 34 | * The word 'cryptographic' can be left out if the rouines from the library |
| 35 | * being used are not cryptographic related :-). |
| 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
| 37 | * the apps directory (application code) you must include an acknowledgement: |
| 38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| 39 | * |
| 40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 50 | * SUCH DAMAGE. |
| 51 | * |
| 52 | * The licence and distribution terms for any publically available version or |
| 53 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 54 | * copied and put under another distribution licence |
| 55 | * [including the GNU Public Licence.] |
| 56 | */ |
| 57 | /* ==================================================================== |
| 58 | * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. |
| 59 | * |
| 60 | * Redistribution and use in source and binary forms, with or without |
| 61 | * modification, are permitted provided that the following conditions |
| 62 | * are met: |
| 63 | * |
| 64 | * 1. Redistributions of source code must retain the above copyright |
| 65 | * notice, this list of conditions and the following disclaimer. |
| 66 | * |
| 67 | * 2. Redistributions in binary form must reproduce the above copyright |
| 68 | * notice, this list of conditions and the following disclaimer in |
| 69 | * the documentation and/or other materials provided with the |
| 70 | * distribution. |
| 71 | * |
| 72 | * 3. All advertising materials mentioning features or use of this |
| 73 | * software must display the following acknowledgment: |
| 74 | * "This product includes software developed by the OpenSSL Project |
| 75 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| 76 | * |
| 77 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 78 | * endorse or promote products derived from this software without |
| 79 | * prior written permission. For written permission, please contact |
| 80 | * openssl-core@openssl.org. |
| 81 | * |
| 82 | * 5. Products derived from this software may not be called "OpenSSL" |
| 83 | * nor may "OpenSSL" appear in their names without prior written |
| 84 | * permission of the OpenSSL Project. |
| 85 | * |
| 86 | * 6. Redistributions of any form whatsoever must retain the following |
| 87 | * acknowledgment: |
| 88 | * "This product includes software developed by the OpenSSL Project |
| 89 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| 90 | * |
| 91 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 92 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 93 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 94 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 95 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 96 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 97 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 98 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 99 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 100 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 101 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 102 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 103 | * ==================================================================== |
| 104 | * |
| 105 | * This product includes cryptographic software written by Eric Young |
| 106 | * (eay@cryptsoft.com). This product includes software written by Tim |
| 107 | * Hudson (tjh@cryptsoft.com). |
| 108 | * |
| 109 | */ |
| 110 | /* ==================================================================== |
| 111 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
| 112 | * ECC cipher suite support in OpenSSL originally developed by |
| 113 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
| 114 | */ |
| 115 | /* ==================================================================== |
| 116 | * Copyright 2005 Nokia. All rights reserved. |
| 117 | * |
| 118 | * The portions of the attached software ("Contribution") is developed by |
| 119 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source |
| 120 | * license. |
| 121 | * |
| 122 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of |
| 123 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites |
| 124 | * support (see RFC 4279) to OpenSSL. |
| 125 | * |
| 126 | * No patent licenses or other rights except those expressly stated in |
| 127 | * the OpenSSL open source license shall be deemed granted or received |
| 128 | * expressly, by implication, estoppel, or otherwise. |
| 129 | * |
| 130 | * No assurances are provided by Nokia that the Contribution does not |
| 131 | * infringe the patent or other intellectual property rights of any third |
| 132 | * party or that the license provides you with all the necessary rights |
| 133 | * to make use of the Contribution. |
| 134 | * |
| 135 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN |
| 136 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA |
| 137 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY |
| 138 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR |
| 139 | * OTHERWISE. */ |
| 140 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 141 | #include <openssl/ssl.h> |
| 142 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 143 | #include <assert.h> |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 144 | #include <stdio.h> |
| 145 | #include <string.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 146 | |
| 147 | #include <openssl/bytestring.h> |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 148 | #include <openssl/crypto.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 149 | #include <openssl/dh.h> |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 150 | #include <openssl/err.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 151 | #include <openssl/lhash.h> |
| 152 | #include <openssl/mem.h> |
| 153 | #include <openssl/obj.h> |
| 154 | #include <openssl/rand.h> |
| 155 | #include <openssl/x509v3.h> |
| 156 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 157 | #include "internal.h" |
| 158 | #include "../crypto/internal.h" |
| 159 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 160 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 161 | /* |SSL_R_UNKNOWN_PROTOCOL| is no longer emitted, but continue to define it |
| 162 | * to avoid downstream churn. */ |
| 163 | OPENSSL_DECLARE_ERROR_REASON(SSL, UNKNOWN_PROTOCOL) |
| 164 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 165 | /* Some error codes are special. Ensure the make_errors.go script never |
| 166 | * regresses this. */ |
| 167 | OPENSSL_COMPILE_ASSERT(SSL_R_TLSV1_ALERT_NO_RENEGOTIATION == |
| 168 | SSL_AD_NO_RENEGOTIATION + SSL_AD_REASON_OFFSET, |
| 169 | ssl_alert_reason_code_mismatch); |
| 170 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 171 | /* kMaxHandshakeSize is the maximum size, in bytes, of a handshake message. */ |
| 172 | static const size_t kMaxHandshakeSize = (1u << 24) - 1; |
| 173 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 174 | static CRYPTO_EX_DATA_CLASS g_ex_data_class_ssl = |
| 175 | CRYPTO_EX_DATA_CLASS_INIT_WITH_APP_DATA; |
| 176 | static CRYPTO_EX_DATA_CLASS g_ex_data_class_ssl_ctx = |
| 177 | CRYPTO_EX_DATA_CLASS_INIT_WITH_APP_DATA; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 178 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 179 | int SSL_library_init(void) { |
| 180 | CRYPTO_library_init(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 181 | return 1; |
| 182 | } |
| 183 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 184 | static uint32_t ssl_session_hash(const SSL_SESSION *a) { |
| 185 | uint32_t hash = |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 186 | ((uint32_t)a->session_id[0]) | |
| 187 | ((uint32_t)a->session_id[1] << 8) | |
| 188 | ((uint32_t)a->session_id[2] << 16) | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 189 | ((uint32_t)a->session_id[3] << 24); |
| 190 | |
| 191 | return hash; |
| 192 | } |
| 193 | |
| 194 | /* NB: If this function (or indeed the hash function which uses a sort of |
| 195 | * coarser function than this one) is changed, ensure |
| 196 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being |
| 197 | * able to construct an SSL_SESSION that will collide with any existing session |
| 198 | * with a matching session ID. */ |
| 199 | static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b) { |
| 200 | if (a->ssl_version != b->ssl_version) { |
| 201 | return 1; |
| 202 | } |
| 203 | |
| 204 | if (a->session_id_length != b->session_id_length) { |
| 205 | return 1; |
| 206 | } |
| 207 | |
| 208 | return memcmp(a->session_id, b->session_id, a->session_id_length); |
| 209 | } |
| 210 | |
| 211 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *method) { |
| 212 | SSL_CTX *ret = NULL; |
| 213 | |
| 214 | if (method == NULL) { |
| 215 | OPENSSL_PUT_ERROR(SSL, SSL_R_NULL_SSL_METHOD_PASSED); |
| 216 | return NULL; |
| 217 | } |
| 218 | |
| 219 | if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) { |
| 220 | OPENSSL_PUT_ERROR(SSL, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); |
| 221 | goto err; |
| 222 | } |
| 223 | |
| 224 | ret = (SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX)); |
| 225 | if (ret == NULL) { |
| 226 | goto err; |
| 227 | } |
| 228 | |
| 229 | memset(ret, 0, sizeof(SSL_CTX)); |
| 230 | |
| 231 | ret->method = method->method; |
| 232 | |
| 233 | CRYPTO_MUTEX_init(&ret->lock); |
| 234 | |
| 235 | ret->session_cache_mode = SSL_SESS_CACHE_SERVER; |
| 236 | ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; |
| 237 | |
| 238 | /* We take the system default */ |
| 239 | ret->session_timeout = SSL_DEFAULT_SESSION_TIMEOUT; |
| 240 | |
| 241 | ret->references = 1; |
| 242 | |
| 243 | ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT; |
| 244 | ret->verify_mode = SSL_VERIFY_NONE; |
| 245 | ret->cert = ssl_cert_new(); |
| 246 | if (ret->cert == NULL) { |
| 247 | goto err; |
| 248 | } |
| 249 | |
| 250 | ret->sessions = lh_SSL_SESSION_new(ssl_session_hash, ssl_session_cmp); |
| 251 | if (ret->sessions == NULL) { |
| 252 | goto err; |
| 253 | } |
| 254 | ret->cert_store = X509_STORE_new(); |
| 255 | if (ret->cert_store == NULL) { |
| 256 | goto err; |
| 257 | } |
| 258 | |
| 259 | ssl_create_cipher_list(ret->method, &ret->cipher_list, |
| 260 | &ret->cipher_list_by_id, SSL_DEFAULT_CIPHER_LIST); |
| 261 | if (ret->cipher_list == NULL || |
| 262 | sk_SSL_CIPHER_num(ret->cipher_list->ciphers) <= 0) { |
| 263 | OPENSSL_PUT_ERROR(SSL, SSL_R_LIBRARY_HAS_NO_CIPHERS); |
| 264 | goto err2; |
| 265 | } |
| 266 | |
| 267 | ret->param = X509_VERIFY_PARAM_new(); |
| 268 | if (!ret->param) { |
| 269 | goto err; |
| 270 | } |
| 271 | |
| 272 | ret->client_CA = sk_X509_NAME_new_null(); |
| 273 | if (ret->client_CA == NULL) { |
| 274 | goto err; |
| 275 | } |
| 276 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 277 | CRYPTO_new_ex_data(&ret->ex_data); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 278 | |
| 279 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
| 280 | |
| 281 | /* Setup RFC4507 ticket keys */ |
| 282 | if (!RAND_bytes(ret->tlsext_tick_key_name, 16) || |
| 283 | !RAND_bytes(ret->tlsext_tick_hmac_key, 16) || |
| 284 | !RAND_bytes(ret->tlsext_tick_aes_key, 16)) { |
| 285 | ret->options |= SSL_OP_NO_TICKET; |
| 286 | } |
| 287 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 288 | /* Lock the SSL_CTX to the specified version, for compatibility with legacy |
| 289 | * uses of SSL_METHOD. */ |
| 290 | if (method->version != 0) { |
| 291 | SSL_CTX_set_max_version(ret, method->version); |
| 292 | SSL_CTX_set_min_version(ret, method->version); |
| 293 | } |
| 294 | |
| 295 | return ret; |
| 296 | |
| 297 | err: |
| 298 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
| 299 | err2: |
| 300 | SSL_CTX_free(ret); |
| 301 | return NULL; |
| 302 | } |
| 303 | |
| 304 | void SSL_CTX_free(SSL_CTX *ctx) { |
| 305 | if (ctx == NULL || |
| 306 | !CRYPTO_refcount_dec_and_test_zero(&ctx->references)) { |
| 307 | return; |
| 308 | } |
| 309 | |
| 310 | X509_VERIFY_PARAM_free(ctx->param); |
| 311 | |
| 312 | /* Free internal session cache. However: the remove_cb() may reference the |
| 313 | * ex_data of SSL_CTX, thus the ex_data store can only be removed after the |
| 314 | * sessions were flushed. As the ex_data handling routines might also touch |
| 315 | * the session cache, the most secure solution seems to be: empty (flush) the |
| 316 | * cache, then free ex_data, then finally free the cache. (See ticket |
| 317 | * [openssl.org #212].) */ |
| 318 | SSL_CTX_flush_sessions(ctx, 0); |
| 319 | |
| 320 | CRYPTO_free_ex_data(&g_ex_data_class_ssl_ctx, ctx, &ctx->ex_data); |
| 321 | |
| 322 | CRYPTO_MUTEX_cleanup(&ctx->lock); |
| 323 | lh_SSL_SESSION_free(ctx->sessions); |
| 324 | X509_STORE_free(ctx->cert_store); |
| 325 | ssl_cipher_preference_list_free(ctx->cipher_list); |
| 326 | sk_SSL_CIPHER_free(ctx->cipher_list_by_id); |
| 327 | ssl_cipher_preference_list_free(ctx->cipher_list_tls10); |
| 328 | ssl_cipher_preference_list_free(ctx->cipher_list_tls11); |
| 329 | ssl_cert_free(ctx->cert); |
| 330 | sk_SSL_CUSTOM_EXTENSION_pop_free(ctx->client_custom_extensions, |
| 331 | SSL_CUSTOM_EXTENSION_free); |
| 332 | sk_SSL_CUSTOM_EXTENSION_pop_free(ctx->server_custom_extensions, |
| 333 | SSL_CUSTOM_EXTENSION_free); |
| 334 | sk_X509_NAME_pop_free(ctx->client_CA, X509_NAME_free); |
| 335 | sk_SRTP_PROTECTION_PROFILE_free(ctx->srtp_profiles); |
| 336 | OPENSSL_free(ctx->psk_identity_hint); |
| 337 | OPENSSL_free(ctx->tlsext_ellipticcurvelist); |
| 338 | OPENSSL_free(ctx->alpn_client_proto_list); |
| 339 | OPENSSL_free(ctx->ocsp_response); |
| 340 | OPENSSL_free(ctx->signed_cert_timestamp_list); |
| 341 | EVP_PKEY_free(ctx->tlsext_channel_id_private); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 342 | |
| 343 | OPENSSL_free(ctx); |
| 344 | } |
| 345 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 346 | SSL *SSL_new(SSL_CTX *ctx) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 347 | if (ctx == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 348 | OPENSSL_PUT_ERROR(SSL, SSL_R_NULL_SSL_CTX); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 349 | return NULL; |
| 350 | } |
| 351 | if (ctx->method == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 352 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 353 | return NULL; |
| 354 | } |
| 355 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 356 | SSL *ssl = (SSL *)OPENSSL_malloc(sizeof(SSL)); |
| 357 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 358 | goto err; |
| 359 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 360 | memset(ssl, 0, sizeof(SSL)); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 361 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 362 | ssl->min_version = ctx->min_version; |
| 363 | ssl->max_version = ctx->max_version; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 364 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 365 | ssl->options = ctx->options; |
| 366 | ssl->mode = ctx->mode; |
| 367 | ssl->max_cert_list = ctx->max_cert_list; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 368 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 369 | ssl->cert = ssl_cert_dup(ctx->cert); |
| 370 | if (ssl->cert == NULL) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 371 | goto err; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 372 | } |
| 373 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 374 | ssl->msg_callback = ctx->msg_callback; |
| 375 | ssl->msg_callback_arg = ctx->msg_callback_arg; |
| 376 | ssl->verify_mode = ctx->verify_mode; |
| 377 | ssl->sid_ctx_length = ctx->sid_ctx_length; |
| 378 | assert(ssl->sid_ctx_length <= sizeof ssl->sid_ctx); |
| 379 | memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx)); |
| 380 | ssl->verify_callback = ctx->default_verify_callback; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 381 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 382 | ssl->param = X509_VERIFY_PARAM_new(); |
| 383 | if (!ssl->param) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 384 | goto err; |
| 385 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 386 | X509_VERIFY_PARAM_inherit(ssl->param, ctx->param); |
| 387 | ssl->quiet_shutdown = ctx->quiet_shutdown; |
| 388 | ssl->max_send_fragment = ctx->max_send_fragment; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 389 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 390 | CRYPTO_refcount_inc(&ctx->references); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 391 | ssl->ctx = ctx; |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 392 | CRYPTO_refcount_inc(&ctx->references); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 393 | ssl->initial_ctx = ctx; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 394 | |
| 395 | if (ctx->tlsext_ellipticcurvelist) { |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 396 | ssl->tlsext_ellipticcurvelist = |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 397 | BUF_memdup(ctx->tlsext_ellipticcurvelist, |
| 398 | ctx->tlsext_ellipticcurvelist_length * 2); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 399 | if (!ssl->tlsext_ellipticcurvelist) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 400 | goto err; |
| 401 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 402 | ssl->tlsext_ellipticcurvelist_length = ctx->tlsext_ellipticcurvelist_length; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 403 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 404 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 405 | if (ssl->ctx->alpn_client_proto_list) { |
| 406 | ssl->alpn_client_proto_list = BUF_memdup( |
| 407 | ssl->ctx->alpn_client_proto_list, ssl->ctx->alpn_client_proto_list_len); |
| 408 | if (ssl->alpn_client_proto_list == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 409 | goto err; |
| 410 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 411 | ssl->alpn_client_proto_list_len = ssl->ctx->alpn_client_proto_list_len; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 412 | } |
| 413 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 414 | ssl->verify_result = X509_V_OK; |
| 415 | ssl->method = ctx->method; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 416 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 417 | if (!ssl->method->ssl_new(ssl)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 418 | goto err; |
| 419 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 420 | ssl->enc_method = ssl3_get_enc_method(ssl->version); |
| 421 | assert(ssl->enc_method != NULL); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 422 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 423 | ssl->rwstate = SSL_NOTHING; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 424 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 425 | CRYPTO_new_ex_data(&ssl->ex_data); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 426 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 427 | ssl->psk_identity_hint = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 428 | if (ctx->psk_identity_hint) { |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 429 | ssl->psk_identity_hint = BUF_strdup(ctx->psk_identity_hint); |
| 430 | if (ssl->psk_identity_hint == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 431 | goto err; |
| 432 | } |
| 433 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 434 | ssl->psk_client_callback = ctx->psk_client_callback; |
| 435 | ssl->psk_server_callback = ctx->psk_server_callback; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 436 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 437 | ssl->tlsext_channel_id_enabled = ctx->tlsext_channel_id_enabled; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 438 | if (ctx->tlsext_channel_id_private) { |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 439 | ssl->tlsext_channel_id_private = |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 440 | EVP_PKEY_up_ref(ctx->tlsext_channel_id_private); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 441 | } |
| 442 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 443 | ssl->signed_cert_timestamps_enabled = |
| 444 | ssl->ctx->signed_cert_timestamps_enabled; |
| 445 | ssl->ocsp_stapling_enabled = ssl->ctx->ocsp_stapling_enabled; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 446 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 447 | return ssl; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 448 | |
| 449 | err: |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 450 | SSL_free(ssl); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 451 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 452 | |
| 453 | return NULL; |
| 454 | } |
| 455 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 456 | void SSL_free(SSL *ssl) { |
| 457 | if (ssl == NULL) { |
| 458 | return; |
| 459 | } |
| 460 | |
| 461 | X509_VERIFY_PARAM_free(ssl->param); |
| 462 | |
| 463 | CRYPTO_free_ex_data(&g_ex_data_class_ssl, ssl, &ssl->ex_data); |
| 464 | |
| 465 | if (ssl->bbio != NULL) { |
| 466 | /* If the buffering BIO is in place, pop it off */ |
| 467 | if (ssl->bbio == ssl->wbio) { |
| 468 | ssl->wbio = BIO_pop(ssl->wbio); |
| 469 | } |
| 470 | BIO_free(ssl->bbio); |
| 471 | ssl->bbio = NULL; |
| 472 | } |
| 473 | |
| 474 | int free_wbio = ssl->wbio != ssl->rbio; |
| 475 | BIO_free_all(ssl->rbio); |
| 476 | if (free_wbio) { |
| 477 | BIO_free_all(ssl->wbio); |
| 478 | } |
| 479 | |
| 480 | BUF_MEM_free(ssl->init_buf); |
| 481 | |
| 482 | /* add extra stuff */ |
| 483 | ssl_cipher_preference_list_free(ssl->cipher_list); |
| 484 | sk_SSL_CIPHER_free(ssl->cipher_list_by_id); |
| 485 | |
| 486 | ssl_clear_bad_session(ssl); |
| 487 | SSL_SESSION_free(ssl->session); |
| 488 | |
| 489 | ssl_clear_cipher_ctx(ssl); |
| 490 | |
| 491 | ssl_cert_free(ssl->cert); |
| 492 | |
| 493 | OPENSSL_free(ssl->tlsext_hostname); |
| 494 | SSL_CTX_free(ssl->initial_ctx); |
| 495 | OPENSSL_free(ssl->tlsext_ellipticcurvelist); |
| 496 | OPENSSL_free(ssl->alpn_client_proto_list); |
| 497 | EVP_PKEY_free(ssl->tlsext_channel_id_private); |
| 498 | OPENSSL_free(ssl->psk_identity_hint); |
| 499 | sk_X509_NAME_pop_free(ssl->client_CA, X509_NAME_free); |
| 500 | OPENSSL_free(ssl->next_proto_negotiated); |
| 501 | sk_SRTP_PROTECTION_PROFILE_free(ssl->srtp_profiles); |
| 502 | |
| 503 | if (ssl->method != NULL) { |
| 504 | ssl->method->ssl_free(ssl); |
| 505 | } |
| 506 | SSL_CTX_free(ssl->ctx); |
| 507 | |
| 508 | OPENSSL_free(ssl); |
| 509 | } |
| 510 | |
| 511 | void SSL_set_connect_state(SSL *ssl) { |
| 512 | ssl->server = 0; |
| 513 | ssl->shutdown = 0; |
| 514 | ssl->state = SSL_ST_CONNECT; |
| 515 | ssl->handshake_func = ssl->method->ssl_connect; |
| 516 | /* clear the current cipher */ |
| 517 | ssl_clear_cipher_ctx(ssl); |
| 518 | } |
| 519 | |
| 520 | void SSL_set_accept_state(SSL *ssl) { |
| 521 | ssl->server = 1; |
| 522 | ssl->shutdown = 0; |
| 523 | ssl->state = SSL_ST_ACCEPT; |
| 524 | ssl->handshake_func = ssl->method->ssl_accept; |
| 525 | /* clear the current cipher */ |
| 526 | ssl_clear_cipher_ctx(ssl); |
| 527 | } |
| 528 | |
| 529 | void SSL_set_bio(SSL *ssl, BIO *rbio, BIO *wbio) { |
| 530 | /* If the output buffering BIO is still in place, remove it. */ |
| 531 | if (ssl->bbio != NULL) { |
| 532 | if (ssl->wbio == ssl->bbio) { |
| 533 | ssl->wbio = ssl->wbio->next_bio; |
| 534 | ssl->bbio->next_bio = NULL; |
| 535 | } |
| 536 | } |
| 537 | |
| 538 | if (ssl->rbio != rbio) { |
| 539 | BIO_free_all(ssl->rbio); |
| 540 | } |
| 541 | if (ssl->wbio != wbio && ssl->rbio != ssl->wbio) { |
| 542 | BIO_free_all(ssl->wbio); |
| 543 | } |
| 544 | ssl->rbio = rbio; |
| 545 | ssl->wbio = wbio; |
| 546 | } |
| 547 | |
| 548 | BIO *SSL_get_rbio(const SSL *ssl) { return ssl->rbio; } |
| 549 | |
| 550 | BIO *SSL_get_wbio(const SSL *ssl) { return ssl->wbio; } |
| 551 | |
| 552 | int SSL_do_handshake(SSL *ssl) { |
| 553 | if (ssl->handshake_func == NULL) { |
| 554 | OPENSSL_PUT_ERROR(SSL, SSL_R_CONNECTION_TYPE_NOT_SET); |
| 555 | return -1; |
| 556 | } |
| 557 | |
| 558 | if (!SSL_in_init(ssl)) { |
| 559 | return 1; |
| 560 | } |
| 561 | |
| 562 | return ssl->handshake_func(ssl); |
| 563 | } |
| 564 | |
| 565 | int SSL_connect(SSL *ssl) { |
| 566 | if (ssl->handshake_func == 0) { |
| 567 | /* Not properly initialized yet */ |
| 568 | SSL_set_connect_state(ssl); |
| 569 | } |
| 570 | |
| 571 | if (ssl->handshake_func != ssl->method->ssl_connect) { |
| 572 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
| 573 | return -1; |
| 574 | } |
| 575 | |
| 576 | return ssl->handshake_func(ssl); |
| 577 | } |
| 578 | |
| 579 | int SSL_accept(SSL *ssl) { |
| 580 | if (ssl->handshake_func == 0) { |
| 581 | /* Not properly initialized yet */ |
| 582 | SSL_set_accept_state(ssl); |
| 583 | } |
| 584 | |
| 585 | if (ssl->handshake_func != ssl->method->ssl_accept) { |
| 586 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
| 587 | return -1; |
| 588 | } |
| 589 | |
| 590 | return ssl->handshake_func(ssl); |
| 591 | } |
| 592 | |
| 593 | int SSL_read(SSL *ssl, void *buf, int num) { |
| 594 | if (ssl->handshake_func == 0) { |
| 595 | OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED); |
| 596 | return -1; |
| 597 | } |
| 598 | |
| 599 | if (ssl->shutdown & SSL_RECEIVED_SHUTDOWN) { |
| 600 | ssl->rwstate = SSL_NOTHING; |
| 601 | return 0; |
| 602 | } |
| 603 | |
| 604 | ERR_clear_system_error(); |
| 605 | return ssl->method->ssl_read_app_data(ssl, buf, num, 0); |
| 606 | } |
| 607 | |
| 608 | int SSL_peek(SSL *ssl, void *buf, int num) { |
| 609 | if (ssl->handshake_func == 0) { |
| 610 | OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED); |
| 611 | return -1; |
| 612 | } |
| 613 | |
| 614 | if (ssl->shutdown & SSL_RECEIVED_SHUTDOWN) { |
| 615 | return 0; |
| 616 | } |
| 617 | |
| 618 | ERR_clear_system_error(); |
| 619 | return ssl->method->ssl_read_app_data(ssl, buf, num, 1); |
| 620 | } |
| 621 | |
| 622 | int SSL_write(SSL *ssl, const void *buf, int num) { |
| 623 | if (ssl->handshake_func == 0) { |
| 624 | OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED); |
| 625 | return -1; |
| 626 | } |
| 627 | |
| 628 | if (ssl->shutdown & SSL_SENT_SHUTDOWN) { |
| 629 | ssl->rwstate = SSL_NOTHING; |
| 630 | OPENSSL_PUT_ERROR(SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
| 631 | return -1; |
| 632 | } |
| 633 | |
| 634 | ERR_clear_system_error(); |
| 635 | return ssl->method->ssl_write_app_data(ssl, buf, num); |
| 636 | } |
| 637 | |
| 638 | int SSL_shutdown(SSL *ssl) { |
| 639 | /* Note that this function behaves differently from what one might expect. |
| 640 | * Return values are 0 for no success (yet), 1 for success; but calling it |
| 641 | * once is usually not enough, even if blocking I/O is used (see |
| 642 | * ssl3_shutdown). */ |
| 643 | |
| 644 | if (ssl->handshake_func == 0) { |
| 645 | OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED); |
| 646 | return -1; |
| 647 | } |
| 648 | |
| 649 | if (SSL_in_init(ssl)) { |
| 650 | return 1; |
| 651 | } |
| 652 | |
| 653 | /* Do nothing if configured not to send a close_notify. */ |
| 654 | if (ssl->quiet_shutdown) { |
| 655 | ssl->shutdown = SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN; |
| 656 | return 1; |
| 657 | } |
| 658 | |
| 659 | if (!(ssl->shutdown & SSL_SENT_SHUTDOWN)) { |
| 660 | ssl->shutdown |= SSL_SENT_SHUTDOWN; |
| 661 | ssl3_send_alert(ssl, SSL3_AL_WARNING, SSL_AD_CLOSE_NOTIFY); |
| 662 | |
| 663 | /* our shutdown alert has been sent now, and if it still needs to be |
| 664 | * written, ssl->s3->alert_dispatch will be true */ |
| 665 | if (ssl->s3->alert_dispatch) { |
| 666 | return -1; /* return WANT_WRITE */ |
| 667 | } |
| 668 | } else if (ssl->s3->alert_dispatch) { |
| 669 | /* resend it if not sent */ |
| 670 | int ret = ssl->method->ssl_dispatch_alert(ssl); |
| 671 | if (ret == -1) { |
| 672 | /* we only get to return -1 here the 2nd/Nth invocation, we must have |
| 673 | * already signalled return 0 upon a previous invoation, return |
| 674 | * WANT_WRITE */ |
| 675 | return ret; |
| 676 | } |
| 677 | } else if (!(ssl->shutdown & SSL_RECEIVED_SHUTDOWN)) { |
| 678 | /* If we are waiting for a close from our peer, we are closed */ |
| 679 | ssl->method->ssl_read_close_notify(ssl); |
| 680 | if (!(ssl->shutdown & SSL_RECEIVED_SHUTDOWN)) { |
| 681 | return -1; /* return WANT_READ */ |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | if (ssl->shutdown == (SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN) && |
| 686 | !ssl->s3->alert_dispatch) { |
| 687 | return 1; |
| 688 | } else { |
| 689 | return 0; |
| 690 | } |
| 691 | } |
| 692 | |
| 693 | int SSL_get_error(const SSL *ssl, int ret_code) { |
| 694 | int reason; |
| 695 | uint32_t err; |
| 696 | BIO *bio; |
| 697 | |
| 698 | if (ret_code > 0) { |
| 699 | return SSL_ERROR_NONE; |
| 700 | } |
| 701 | |
| 702 | /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc, |
| 703 | * where we do encode the error */ |
| 704 | err = ERR_peek_error(); |
| 705 | if (err != 0) { |
| 706 | if (ERR_GET_LIB(err) == ERR_LIB_SYS) { |
| 707 | return SSL_ERROR_SYSCALL; |
| 708 | } |
| 709 | return SSL_ERROR_SSL; |
| 710 | } |
| 711 | |
| 712 | if (ret_code == 0) { |
| 713 | if ((ssl->shutdown & SSL_RECEIVED_SHUTDOWN) && |
| 714 | (ssl->s3->warn_alert == SSL_AD_CLOSE_NOTIFY)) { |
| 715 | /* The socket was cleanly shut down with a close_notify. */ |
| 716 | return SSL_ERROR_ZERO_RETURN; |
| 717 | } |
| 718 | /* An EOF was observed which violates the protocol, and the underlying |
| 719 | * transport does not participate in the error queue. Bubble up to the |
| 720 | * caller. */ |
| 721 | return SSL_ERROR_SYSCALL; |
| 722 | } |
| 723 | |
| 724 | if (SSL_want_session(ssl)) { |
| 725 | return SSL_ERROR_PENDING_SESSION; |
| 726 | } |
| 727 | |
| 728 | if (SSL_want_certificate(ssl)) { |
| 729 | return SSL_ERROR_PENDING_CERTIFICATE; |
| 730 | } |
| 731 | |
| 732 | if (SSL_want_read(ssl)) { |
| 733 | bio = SSL_get_rbio(ssl); |
| 734 | if (BIO_should_read(bio)) { |
| 735 | return SSL_ERROR_WANT_READ; |
| 736 | } |
| 737 | |
| 738 | if (BIO_should_write(bio)) { |
| 739 | /* This one doesn't make too much sense ... We never try to write to the |
| 740 | * rbio, and an application program where rbio and wbio are separate |
| 741 | * couldn't even know what it should wait for. However if we ever set |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 742 | * ssl->rwstate incorrectly (so that we have SSL_want_read(ssl) instead of |
| 743 | * SSL_want_write(ssl)) and rbio and wbio *are* the same, this test works |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 744 | * around that bug; so it might be safer to keep it. */ |
| 745 | return SSL_ERROR_WANT_WRITE; |
| 746 | } |
| 747 | |
| 748 | if (BIO_should_io_special(bio)) { |
| 749 | reason = BIO_get_retry_reason(bio); |
| 750 | if (reason == BIO_RR_CONNECT) { |
| 751 | return SSL_ERROR_WANT_CONNECT; |
| 752 | } |
| 753 | |
| 754 | if (reason == BIO_RR_ACCEPT) { |
| 755 | return SSL_ERROR_WANT_ACCEPT; |
| 756 | } |
| 757 | |
| 758 | return SSL_ERROR_SYSCALL; /* unknown */ |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | if (SSL_want_write(ssl)) { |
| 763 | bio = SSL_get_wbio(ssl); |
| 764 | if (BIO_should_write(bio)) { |
| 765 | return SSL_ERROR_WANT_WRITE; |
| 766 | } |
| 767 | |
| 768 | if (BIO_should_read(bio)) { |
| 769 | /* See above (SSL_want_read(ssl) with BIO_should_write(bio)) */ |
| 770 | return SSL_ERROR_WANT_READ; |
| 771 | } |
| 772 | |
| 773 | if (BIO_should_io_special(bio)) { |
| 774 | reason = BIO_get_retry_reason(bio); |
| 775 | if (reason == BIO_RR_CONNECT) { |
| 776 | return SSL_ERROR_WANT_CONNECT; |
| 777 | } |
| 778 | |
| 779 | if (reason == BIO_RR_ACCEPT) { |
| 780 | return SSL_ERROR_WANT_ACCEPT; |
| 781 | } |
| 782 | |
| 783 | return SSL_ERROR_SYSCALL; |
| 784 | } |
| 785 | } |
| 786 | |
| 787 | if (SSL_want_x509_lookup(ssl)) { |
| 788 | return SSL_ERROR_WANT_X509_LOOKUP; |
| 789 | } |
| 790 | |
| 791 | if (SSL_want_channel_id_lookup(ssl)) { |
| 792 | return SSL_ERROR_WANT_CHANNEL_ID_LOOKUP; |
| 793 | } |
| 794 | |
| 795 | if (SSL_want_private_key_operation(ssl)) { |
| 796 | return SSL_ERROR_WANT_PRIVATE_KEY_OPERATION; |
| 797 | } |
| 798 | |
| 799 | return SSL_ERROR_SYSCALL; |
| 800 | } |
| 801 | |
| 802 | void SSL_CTX_set_min_version(SSL_CTX *ctx, uint16_t version) { |
| 803 | ctx->min_version = version; |
| 804 | } |
| 805 | |
| 806 | void SSL_CTX_set_max_version(SSL_CTX *ctx, uint16_t version) { |
| 807 | ctx->max_version = version; |
| 808 | } |
| 809 | |
| 810 | void SSL_set_min_version(SSL *ssl, uint16_t version) { |
| 811 | ssl->min_version = version; |
| 812 | } |
| 813 | |
| 814 | void SSL_set_max_version(SSL *ssl, uint16_t version) { |
| 815 | ssl->max_version = version; |
| 816 | } |
| 817 | |
| 818 | uint32_t SSL_CTX_set_options(SSL_CTX *ctx, uint32_t options) { |
| 819 | ctx->options |= options; |
| 820 | return ctx->options; |
| 821 | } |
| 822 | |
| 823 | uint32_t SSL_CTX_clear_options(SSL_CTX *ctx, uint32_t options) { |
| 824 | ctx->options &= ~options; |
| 825 | return ctx->options; |
| 826 | } |
| 827 | |
| 828 | uint32_t SSL_CTX_get_options(const SSL_CTX *ctx) { return ctx->options; } |
| 829 | |
| 830 | uint32_t SSL_set_options(SSL *ssl, uint32_t options) { |
| 831 | ssl->options |= options; |
| 832 | return ssl->options; |
| 833 | } |
| 834 | |
| 835 | uint32_t SSL_clear_options(SSL *ssl, uint32_t options) { |
| 836 | ssl->options &= ~options; |
| 837 | return ssl->options; |
| 838 | } |
| 839 | |
| 840 | uint32_t SSL_get_options(const SSL *ssl) { return ssl->options; } |
| 841 | |
| 842 | uint32_t SSL_CTX_set_mode(SSL_CTX *ctx, uint32_t mode) { |
| 843 | ctx->mode |= mode; |
| 844 | return ctx->mode; |
| 845 | } |
| 846 | |
| 847 | uint32_t SSL_CTX_clear_mode(SSL_CTX *ctx, uint32_t mode) { |
| 848 | ctx->mode &= ~mode; |
| 849 | return ctx->mode; |
| 850 | } |
| 851 | |
| 852 | uint32_t SSL_CTX_get_mode(const SSL_CTX *ctx) { return ctx->mode; } |
| 853 | |
| 854 | uint32_t SSL_set_mode(SSL *ssl, uint32_t mode) { |
| 855 | ssl->mode |= mode; |
| 856 | return ssl->mode; |
| 857 | } |
| 858 | |
| 859 | uint32_t SSL_clear_mode(SSL *ssl, uint32_t mode) { |
| 860 | ssl->mode &= ~mode; |
| 861 | return ssl->mode; |
| 862 | } |
| 863 | |
| 864 | uint32_t SSL_get_mode(const SSL *ssl) { return ssl->mode; } |
| 865 | |
| 866 | X509 *SSL_get_peer_certificate(const SSL *ssl) { |
| 867 | if (ssl == NULL || ssl->session == NULL || ssl->session->peer == NULL) { |
| 868 | return NULL; |
| 869 | } |
| 870 | return X509_up_ref(ssl->session->peer); |
| 871 | } |
| 872 | |
| 873 | STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *ssl) { |
| 874 | if (ssl == NULL || ssl->session == NULL) { |
| 875 | return NULL; |
| 876 | } |
| 877 | return ssl->session->cert_chain; |
| 878 | } |
| 879 | |
| 880 | int SSL_get_tls_unique(const SSL *ssl, uint8_t *out, size_t *out_len, |
| 881 | size_t max_out) { |
| 882 | /* The tls-unique value is the first Finished message in the handshake, which |
| 883 | * is the client's in a full handshake and the server's for a resumption. See |
| 884 | * https://tools.ietf.org/html/rfc5929#section-3.1. */ |
| 885 | const uint8_t *finished = ssl->s3->previous_client_finished; |
| 886 | size_t finished_len = ssl->s3->previous_client_finished_len; |
| 887 | if (ssl->hit) { |
| 888 | /* tls-unique is broken for resumed sessions unless EMS is used. */ |
| 889 | if (!ssl->session->extended_master_secret) { |
| 890 | goto err; |
| 891 | } |
| 892 | finished = ssl->s3->previous_server_finished; |
| 893 | finished_len = ssl->s3->previous_server_finished_len; |
| 894 | } |
| 895 | |
| 896 | if (!ssl->s3->initial_handshake_complete || |
| 897 | ssl->version < TLS1_VERSION) { |
| 898 | goto err; |
| 899 | } |
| 900 | |
| 901 | *out_len = finished_len; |
| 902 | if (finished_len > max_out) { |
| 903 | *out_len = max_out; |
| 904 | } |
| 905 | |
| 906 | memcpy(out, finished, *out_len); |
| 907 | return 1; |
| 908 | |
| 909 | err: |
| 910 | *out_len = 0; |
| 911 | memset(out, 0, max_out); |
| 912 | return 0; |
| 913 | } |
| 914 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 915 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const uint8_t *sid_ctx, |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 916 | unsigned sid_ctx_len) { |
| 917 | if (sid_ctx_len > sizeof(ctx->sid_ctx)) { |
| 918 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 919 | return 0; |
| 920 | } |
| 921 | ctx->sid_ctx_length = sid_ctx_len; |
| 922 | memcpy(ctx->sid_ctx, sid_ctx, sid_ctx_len); |
| 923 | |
| 924 | return 1; |
| 925 | } |
| 926 | |
| 927 | int SSL_set_session_id_context(SSL *ssl, const uint8_t *sid_ctx, |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 928 | unsigned sid_ctx_len) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 929 | if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 930 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 931 | return 0; |
| 932 | } |
| 933 | ssl->sid_ctx_length = sid_ctx_len; |
| 934 | memcpy(ssl->sid_ctx, sid_ctx, sid_ctx_len); |
| 935 | |
| 936 | return 1; |
| 937 | } |
| 938 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 939 | int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose) { |
| 940 | return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 941 | } |
| 942 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 943 | int SSL_set_purpose(SSL *ssl, int purpose) { |
| 944 | return X509_VERIFY_PARAM_set_purpose(ssl->param, purpose); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 945 | } |
| 946 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 947 | int SSL_CTX_set_trust(SSL_CTX *ctx, int trust) { |
| 948 | return X509_VERIFY_PARAM_set_trust(ctx->param, trust); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 949 | } |
| 950 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 951 | int SSL_set_trust(SSL *ssl, int trust) { |
| 952 | return X509_VERIFY_PARAM_set_trust(ssl->param, trust); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 953 | } |
| 954 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 955 | int SSL_CTX_set1_param(SSL_CTX *ctx, const X509_VERIFY_PARAM *param) { |
| 956 | return X509_VERIFY_PARAM_set1(ctx->param, param); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 957 | } |
| 958 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 959 | int SSL_set1_param(SSL *ssl, const X509_VERIFY_PARAM *param) { |
| 960 | return X509_VERIFY_PARAM_set1(ssl->param, param); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 961 | } |
| 962 | |
| 963 | void ssl_cipher_preference_list_free( |
| 964 | struct ssl_cipher_preference_list_st *cipher_list) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 965 | if (cipher_list == NULL) { |
| 966 | return; |
| 967 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 968 | sk_SSL_CIPHER_free(cipher_list->ciphers); |
| 969 | OPENSSL_free(cipher_list->in_group_flags); |
| 970 | OPENSSL_free(cipher_list); |
| 971 | } |
| 972 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 973 | X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx) { return ctx->param; } |
| 974 | |
| 975 | X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl) { return ssl->param; } |
| 976 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 977 | void SSL_certs_clear(SSL *ssl) { ssl_cert_clear_certs(ssl->cert); } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 978 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 979 | int SSL_get_fd(const SSL *ssl) { return SSL_get_rfd(ssl); } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 980 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 981 | int SSL_get_rfd(const SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 982 | int ret = -1; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 983 | BIO *b = BIO_find_type(SSL_get_rbio(ssl), BIO_TYPE_DESCRIPTOR); |
| 984 | if (b != NULL) { |
| 985 | BIO_get_fd(b, &ret); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 986 | } |
| 987 | return ret; |
| 988 | } |
| 989 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 990 | int SSL_get_wfd(const SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 991 | int ret = -1; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 992 | BIO *b = BIO_find_type(SSL_get_wbio(ssl), BIO_TYPE_DESCRIPTOR); |
| 993 | if (b != NULL) { |
| 994 | BIO_get_fd(b, &ret); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 995 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 996 | return ret; |
| 997 | } |
| 998 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 999 | int SSL_set_fd(SSL *ssl, int fd) { |
| 1000 | BIO *bio = BIO_new(BIO_s_fd()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1001 | if (bio == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1002 | OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1003 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1004 | } |
| 1005 | BIO_set_fd(bio, fd, BIO_NOCLOSE); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1006 | SSL_set_bio(ssl, bio, bio); |
| 1007 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1008 | } |
| 1009 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1010 | int SSL_set_wfd(SSL *ssl, int fd) { |
| 1011 | if (ssl->rbio == NULL || |
| 1012 | BIO_method_type(ssl->rbio) != BIO_TYPE_FD || |
| 1013 | BIO_get_fd(ssl->rbio, NULL) != fd) { |
| 1014 | BIO *bio = BIO_new(BIO_s_fd()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1015 | if (bio == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1016 | OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1017 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1018 | } |
| 1019 | BIO_set_fd(bio, fd, BIO_NOCLOSE); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1020 | SSL_set_bio(ssl, SSL_get_rbio(ssl), bio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1021 | } else { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1022 | SSL_set_bio(ssl, SSL_get_rbio(ssl), SSL_get_rbio(ssl)); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1023 | } |
| 1024 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1025 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1026 | } |
| 1027 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1028 | int SSL_set_rfd(SSL *ssl, int fd) { |
| 1029 | if (ssl->wbio == NULL || BIO_method_type(ssl->wbio) != BIO_TYPE_FD || |
| 1030 | BIO_get_fd(ssl->wbio, NULL) != fd) { |
| 1031 | BIO *bio = BIO_new(BIO_s_fd()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1032 | if (bio == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1033 | OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1034 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1035 | } |
| 1036 | BIO_set_fd(bio, fd, BIO_NOCLOSE); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1037 | SSL_set_bio(ssl, bio, SSL_get_wbio(ssl)); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1038 | } else { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1039 | SSL_set_bio(ssl, SSL_get_wbio(ssl), SSL_get_wbio(ssl)); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1040 | } |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1041 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1042 | } |
| 1043 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1044 | size_t SSL_get_finished(const SSL *ssl, void *buf, size_t count) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1045 | size_t ret = 0; |
| 1046 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1047 | if (ssl->s3 != NULL) { |
| 1048 | ret = ssl->s3->tmp.finish_md_len; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1049 | if (count > ret) { |
| 1050 | count = ret; |
| 1051 | } |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1052 | memcpy(buf, ssl->s3->tmp.finish_md, count); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1053 | } |
| 1054 | |
| 1055 | return ret; |
| 1056 | } |
| 1057 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1058 | size_t SSL_get_peer_finished(const SSL *ssl, void *buf, size_t count) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1059 | size_t ret = 0; |
| 1060 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1061 | if (ssl->s3 != NULL) { |
| 1062 | ret = ssl->s3->tmp.peer_finish_md_len; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1063 | if (count > ret) { |
| 1064 | count = ret; |
| 1065 | } |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1066 | memcpy(buf, ssl->s3->tmp.peer_finish_md, count); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1067 | } |
| 1068 | |
| 1069 | return ret; |
| 1070 | } |
| 1071 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1072 | int SSL_get_verify_mode(const SSL *ssl) { return ssl->verify_mode; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1073 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1074 | int SSL_get_verify_depth(const SSL *ssl) { |
| 1075 | return X509_VERIFY_PARAM_get_depth(ssl->param); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1076 | } |
| 1077 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1078 | int SSL_get_extms_support(const SSL *ssl) { |
| 1079 | return ssl->s3->tmp.extended_master_secret == 1; |
| 1080 | } |
| 1081 | |
| 1082 | int (*SSL_get_verify_callback(const SSL *ssl))(int, X509_STORE_CTX *) { |
| 1083 | return ssl->verify_callback; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1084 | } |
| 1085 | |
| 1086 | int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) { return ctx->verify_mode; } |
| 1087 | |
| 1088 | int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) { |
| 1089 | return X509_VERIFY_PARAM_get_depth(ctx->param); |
| 1090 | } |
| 1091 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1092 | int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))( |
| 1093 | int ok, X509_STORE_CTX *store_ctx) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1094 | return ctx->default_verify_callback; |
| 1095 | } |
| 1096 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1097 | void SSL_set_verify(SSL *ssl, int mode, |
| 1098 | int (*callback)(int ok, X509_STORE_CTX *store_ctx)) { |
| 1099 | ssl->verify_mode = mode; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1100 | if (callback != NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1101 | ssl->verify_callback = callback; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1102 | } |
| 1103 | } |
| 1104 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1105 | void SSL_set_verify_depth(SSL *ssl, int depth) { |
| 1106 | X509_VERIFY_PARAM_set_depth(ssl->param, depth); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1107 | } |
| 1108 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1109 | int SSL_CTX_get_read_ahead(const SSL_CTX *ctx) { return 0; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1110 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1111 | int SSL_get_read_ahead(const SSL *ssl) { return 0; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1112 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1113 | void SSL_CTX_set_read_ahead(SSL_CTX *ctx, int yes) { } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1114 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1115 | void SSL_set_read_ahead(SSL *ssl, int yes) { } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1116 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1117 | int SSL_pending(const SSL *ssl) { |
| 1118 | if (ssl->s3->rrec.type != SSL3_RT_APPLICATION_DATA) { |
| 1119 | return 0; |
| 1120 | } |
| 1121 | return ssl->s3->rrec.length; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1122 | } |
| 1123 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1124 | /* Fix this so it checks all the valid key/cert options */ |
| 1125 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1126 | if (ctx->cert->x509 == NULL) { |
| 1127 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_CERTIFICATE_ASSIGNED); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1128 | return 0; |
| 1129 | } |
| 1130 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1131 | if (ctx->cert->privatekey == NULL) { |
| 1132 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1133 | return 0; |
| 1134 | } |
| 1135 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1136 | return X509_check_private_key(ctx->cert->x509, ctx->cert->privatekey); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1137 | } |
| 1138 | |
| 1139 | /* Fix this function so that it takes an optional type parameter */ |
| 1140 | int SSL_check_private_key(const SSL *ssl) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1141 | if (ssl->cert->x509 == NULL) { |
| 1142 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_CERTIFICATE_ASSIGNED); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1143 | return 0; |
| 1144 | } |
| 1145 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1146 | if (ssl->cert->privatekey == NULL) { |
| 1147 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1148 | return 0; |
| 1149 | } |
| 1150 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1151 | return X509_check_private_key(ssl->cert->x509, ssl->cert->privatekey); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1152 | } |
| 1153 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1154 | long SSL_get_default_timeout(const SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1155 | return SSL_DEFAULT_SESSION_TIMEOUT; |
| 1156 | } |
| 1157 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1158 | int SSL_renegotiate(SSL *ssl) { |
| 1159 | /* Caller-initiated renegotiation is not supported. */ |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1160 | OPENSSL_PUT_ERROR(SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1161 | return 0; |
| 1162 | } |
| 1163 | |
| 1164 | int SSL_renegotiate_pending(SSL *ssl) { |
| 1165 | return SSL_in_init(ssl) && ssl->s3->initial_handshake_complete; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1166 | } |
| 1167 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1168 | size_t SSL_CTX_get_max_cert_list(const SSL_CTX *ctx) { |
| 1169 | return ctx->max_cert_list; |
| 1170 | } |
| 1171 | |
| 1172 | void SSL_CTX_set_max_cert_list(SSL_CTX *ctx, size_t max_cert_list) { |
| 1173 | if (max_cert_list > kMaxHandshakeSize) { |
| 1174 | max_cert_list = kMaxHandshakeSize; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1175 | } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1176 | ctx->max_cert_list = (uint32_t)max_cert_list; |
| 1177 | } |
| 1178 | |
| 1179 | size_t SSL_get_max_cert_list(const SSL *ssl) { |
| 1180 | return ssl->max_cert_list; |
| 1181 | } |
| 1182 | |
| 1183 | void SSL_set_max_cert_list(SSL *ssl, size_t max_cert_list) { |
| 1184 | if (max_cert_list > kMaxHandshakeSize) { |
| 1185 | max_cert_list = kMaxHandshakeSize; |
| 1186 | } |
| 1187 | ssl->max_cert_list = (uint32_t)max_cert_list; |
| 1188 | } |
| 1189 | |
| 1190 | void SSL_CTX_set_max_send_fragment(SSL_CTX *ctx, size_t max_send_fragment) { |
| 1191 | if (max_send_fragment < 512) { |
| 1192 | max_send_fragment = 512; |
| 1193 | } |
| 1194 | if (max_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) { |
| 1195 | max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
| 1196 | } |
| 1197 | ctx->max_send_fragment = (uint16_t)max_send_fragment; |
| 1198 | } |
| 1199 | |
| 1200 | void SSL_set_max_send_fragment(SSL *ssl, size_t max_send_fragment) { |
| 1201 | if (max_send_fragment < 512) { |
| 1202 | max_send_fragment = 512; |
| 1203 | } |
| 1204 | if (max_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) { |
| 1205 | max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
| 1206 | } |
| 1207 | ssl->max_send_fragment = (uint16_t)max_send_fragment; |
| 1208 | } |
| 1209 | |
| 1210 | int SSL_set_mtu(SSL *ssl, unsigned mtu) { |
| 1211 | if (!SSL_IS_DTLS(ssl) || mtu < dtls1_min_mtu()) { |
| 1212 | return 0; |
| 1213 | } |
| 1214 | ssl->d1->mtu = mtu; |
| 1215 | return 1; |
| 1216 | } |
| 1217 | |
| 1218 | int SSL_get_secure_renegotiation_support(const SSL *ssl) { |
| 1219 | return ssl->s3->send_connection_binding; |
| 1220 | } |
| 1221 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1222 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) { return ctx->sessions; } |
| 1223 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1224 | size_t SSL_CTX_sess_number(const SSL_CTX *ctx) { |
| 1225 | return lh_SSL_SESSION_num_items(ctx->sessions); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1226 | } |
| 1227 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1228 | unsigned long SSL_CTX_sess_set_cache_size(SSL_CTX *ctx, unsigned long size) { |
| 1229 | unsigned long ret = ctx->session_cache_size; |
| 1230 | ctx->session_cache_size = size; |
| 1231 | return ret; |
| 1232 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1233 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1234 | unsigned long SSL_CTX_sess_get_cache_size(const SSL_CTX *ctx) { |
| 1235 | return ctx->session_cache_size; |
| 1236 | } |
| 1237 | |
| 1238 | int SSL_CTX_set_session_cache_mode(SSL_CTX *ctx, int mode) { |
| 1239 | int ret = ctx->session_cache_mode; |
| 1240 | ctx->session_cache_mode = mode; |
| 1241 | return ret; |
| 1242 | } |
| 1243 | |
| 1244 | int SSL_CTX_get_session_cache_mode(const SSL_CTX *ctx) { |
| 1245 | return ctx->session_cache_mode; |
| 1246 | } |
| 1247 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1248 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *ssl) { |
| 1249 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1250 | return NULL; |
| 1251 | } |
| 1252 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1253 | if (ssl->cipher_list != NULL) { |
| 1254 | return ssl->cipher_list->ciphers; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1255 | } |
| 1256 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1257 | if (ssl->version >= TLS1_1_VERSION && ssl->ctx != NULL && |
| 1258 | ssl->ctx->cipher_list_tls11 != NULL) { |
| 1259 | return ssl->ctx->cipher_list_tls11->ciphers; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1260 | } |
| 1261 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1262 | if (ssl->version >= TLS1_VERSION && ssl->ctx != NULL && |
| 1263 | ssl->ctx->cipher_list_tls10 != NULL) { |
| 1264 | return ssl->ctx->cipher_list_tls10->ciphers; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1265 | } |
| 1266 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1267 | if (ssl->ctx != NULL && ssl->ctx->cipher_list != NULL) { |
| 1268 | return ssl->ctx->cipher_list->ciphers; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1269 | } |
| 1270 | |
| 1271 | return NULL; |
| 1272 | } |
| 1273 | |
| 1274 | /* return a STACK of the ciphers available for the SSL and in order of |
| 1275 | * algorithm id */ |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1276 | STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *ssl) { |
| 1277 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1278 | return NULL; |
| 1279 | } |
| 1280 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1281 | if (ssl->cipher_list_by_id != NULL) { |
| 1282 | return ssl->cipher_list_by_id; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1283 | } |
| 1284 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1285 | if (ssl->ctx != NULL && ssl->ctx->cipher_list_by_id != NULL) { |
| 1286 | return ssl->ctx->cipher_list_by_id; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1287 | } |
| 1288 | |
| 1289 | return NULL; |
| 1290 | } |
| 1291 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1292 | const char *SSL_get_cipher_list(const SSL *ssl, int n) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1293 | const SSL_CIPHER *c; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1294 | STACK_OF(SSL_CIPHER) *sk; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1295 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1296 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1297 | return NULL; |
| 1298 | } |
| 1299 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1300 | sk = SSL_get_ciphers(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1301 | if (sk == NULL || n < 0 || (size_t)n >= sk_SSL_CIPHER_num(sk)) { |
| 1302 | return NULL; |
| 1303 | } |
| 1304 | |
| 1305 | c = sk_SSL_CIPHER_value(sk, n); |
| 1306 | if (c == NULL) { |
| 1307 | return NULL; |
| 1308 | } |
| 1309 | |
| 1310 | return c->name; |
| 1311 | } |
| 1312 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1313 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1314 | STACK_OF(SSL_CIPHER) *cipher_list = ssl_create_cipher_list( |
| 1315 | ctx->method, &ctx->cipher_list, &ctx->cipher_list_by_id, str); |
| 1316 | if (cipher_list == NULL) { |
Kenny Root | 03bcf61 | 2015-11-05 20:20:27 +0000 | [diff] [blame] | 1317 | return 0; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1318 | } |
| 1319 | |
| 1320 | /* |ssl_create_cipher_list| may succeed but return an empty cipher list. */ |
| 1321 | if (sk_SSL_CIPHER_num(cipher_list) == 0) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1322 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_CIPHER_MATCH); |
| 1323 | return 0; |
| 1324 | } |
| 1325 | |
| 1326 | return 1; |
| 1327 | } |
| 1328 | |
| 1329 | int SSL_CTX_set_cipher_list_tls10(SSL_CTX *ctx, const char *str) { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1330 | STACK_OF(SSL_CIPHER) *cipher_list = ssl_create_cipher_list( |
| 1331 | ctx->method, &ctx->cipher_list_tls10, NULL, str); |
| 1332 | if (cipher_list == NULL) { |
Kenny Root | 03bcf61 | 2015-11-05 20:20:27 +0000 | [diff] [blame] | 1333 | return 0; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1334 | } |
| 1335 | |
| 1336 | /* |ssl_create_cipher_list| may succeed but return an empty cipher list. */ |
| 1337 | if (sk_SSL_CIPHER_num(cipher_list) == 0) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1338 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_CIPHER_MATCH); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1339 | return 0; |
| 1340 | } |
| 1341 | |
| 1342 | return 1; |
| 1343 | } |
| 1344 | |
| 1345 | int SSL_CTX_set_cipher_list_tls11(SSL_CTX *ctx, const char *str) { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1346 | STACK_OF(SSL_CIPHER) *cipher_list = ssl_create_cipher_list( |
| 1347 | ctx->method, &ctx->cipher_list_tls11, NULL, str); |
| 1348 | if (cipher_list == NULL) { |
Kenny Root | 03bcf61 | 2015-11-05 20:20:27 +0000 | [diff] [blame] | 1349 | return 0; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1350 | } |
| 1351 | |
| 1352 | /* |ssl_create_cipher_list| may succeed but return an empty cipher list. */ |
| 1353 | if (sk_SSL_CIPHER_num(cipher_list) == 0) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1354 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_CIPHER_MATCH); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1355 | return 0; |
| 1356 | } |
| 1357 | |
| 1358 | return 1; |
| 1359 | } |
| 1360 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1361 | int SSL_set_cipher_list(SSL *ssl, const char *str) { |
| 1362 | STACK_OF(SSL_CIPHER) *cipher_list = ssl_create_cipher_list( |
| 1363 | ssl->ctx->method, &ssl->cipher_list, &ssl->cipher_list_by_id, str); |
| 1364 | if (cipher_list == NULL) { |
Kenny Root | 03bcf61 | 2015-11-05 20:20:27 +0000 | [diff] [blame] | 1365 | return 0; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1366 | } |
| 1367 | |
| 1368 | /* |ssl_create_cipher_list| may succeed but return an empty cipher list. */ |
| 1369 | if (sk_SSL_CIPHER_num(cipher_list) == 0) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1370 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_CIPHER_MATCH); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1371 | return 0; |
| 1372 | } |
| 1373 | |
| 1374 | return 1; |
| 1375 | } |
| 1376 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1377 | STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *ssl, const CBS *cbs) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1378 | CBS cipher_suites = *cbs; |
| 1379 | const SSL_CIPHER *c; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1380 | STACK_OF(SSL_CIPHER) *sk; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1381 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1382 | if (ssl->s3) { |
| 1383 | ssl->s3->send_connection_binding = 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1384 | } |
| 1385 | |
| 1386 | if (CBS_len(&cipher_suites) % 2 != 0) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1387 | OPENSSL_PUT_ERROR(SSL, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1388 | return NULL; |
| 1389 | } |
| 1390 | |
| 1391 | sk = sk_SSL_CIPHER_new_null(); |
| 1392 | if (sk == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1393 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1394 | goto err; |
| 1395 | } |
| 1396 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1397 | while (CBS_len(&cipher_suites) > 0) { |
| 1398 | uint16_t cipher_suite; |
| 1399 | |
| 1400 | if (!CBS_get_u16(&cipher_suites, &cipher_suite)) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1401 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1402 | goto err; |
| 1403 | } |
| 1404 | |
| 1405 | /* Check for SCSV. */ |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1406 | if (ssl->s3 && cipher_suite == (SSL3_CK_SCSV & 0xffff)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1407 | /* SCSV is fatal if renegotiating. */ |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1408 | if (ssl->s3->initial_handshake_complete) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1409 | OPENSSL_PUT_ERROR(SSL, SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1410 | ssl3_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1411 | goto err; |
| 1412 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1413 | ssl->s3->send_connection_binding = 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1414 | continue; |
| 1415 | } |
| 1416 | |
| 1417 | /* Check for FALLBACK_SCSV. */ |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1418 | if (ssl->s3 && cipher_suite == (SSL3_CK_FALLBACK_SCSV & 0xffff)) { |
| 1419 | uint16_t max_version = ssl3_get_max_server_version(ssl); |
| 1420 | if (SSL_IS_DTLS(ssl) ? (uint16_t)ssl->version > max_version |
| 1421 | : (uint16_t)ssl->version < max_version) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1422 | OPENSSL_PUT_ERROR(SSL, SSL_R_INAPPROPRIATE_FALLBACK); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1423 | ssl3_send_alert(ssl, SSL3_AL_FATAL, SSL3_AD_INAPPROPRIATE_FALLBACK); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1424 | goto err; |
| 1425 | } |
| 1426 | continue; |
| 1427 | } |
| 1428 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1429 | c = SSL_get_cipher_by_value(cipher_suite); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1430 | if (c != NULL && !sk_SSL_CIPHER_push(sk, c)) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1431 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1432 | goto err; |
| 1433 | } |
| 1434 | } |
| 1435 | |
| 1436 | return sk; |
| 1437 | |
| 1438 | err: |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1439 | sk_SSL_CIPHER_free(sk); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1440 | return NULL; |
| 1441 | } |
| 1442 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1443 | const char *SSL_get_servername(const SSL *ssl, const int type) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1444 | if (type != TLSEXT_NAMETYPE_host_name) { |
| 1445 | return NULL; |
| 1446 | } |
| 1447 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1448 | /* Historically, |SSL_get_servername| was also the configuration getter |
| 1449 | * corresponding to |SSL_set_tlsext_host_name|. */ |
| 1450 | if (ssl->tlsext_hostname != NULL) { |
| 1451 | return ssl->tlsext_hostname; |
| 1452 | } |
| 1453 | |
| 1454 | if (ssl->session == NULL) { |
| 1455 | return NULL; |
| 1456 | } |
| 1457 | return ssl->session->tlsext_hostname; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1458 | } |
| 1459 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1460 | int SSL_get_servername_type(const SSL *ssl) { |
| 1461 | if (ssl->session != NULL && ssl->session->tlsext_hostname != NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1462 | return TLSEXT_NAMETYPE_host_name; |
| 1463 | } |
| 1464 | |
| 1465 | return -1; |
| 1466 | } |
| 1467 | |
| 1468 | void SSL_CTX_enable_signed_cert_timestamps(SSL_CTX *ctx) { |
| 1469 | ctx->signed_cert_timestamps_enabled = 1; |
| 1470 | } |
| 1471 | |
| 1472 | int SSL_enable_signed_cert_timestamps(SSL *ssl) { |
| 1473 | ssl->signed_cert_timestamps_enabled = 1; |
| 1474 | return 1; |
| 1475 | } |
| 1476 | |
| 1477 | void SSL_CTX_enable_ocsp_stapling(SSL_CTX *ctx) { |
| 1478 | ctx->ocsp_stapling_enabled = 1; |
| 1479 | } |
| 1480 | |
| 1481 | int SSL_enable_ocsp_stapling(SSL *ssl) { |
| 1482 | ssl->ocsp_stapling_enabled = 1; |
| 1483 | return 1; |
| 1484 | } |
| 1485 | |
| 1486 | void SSL_get0_signed_cert_timestamp_list(const SSL *ssl, const uint8_t **out, |
| 1487 | size_t *out_len) { |
| 1488 | SSL_SESSION *session = ssl->session; |
| 1489 | |
| 1490 | *out_len = 0; |
| 1491 | *out = NULL; |
| 1492 | if (ssl->server || !session || !session->tlsext_signed_cert_timestamp_list) { |
| 1493 | return; |
| 1494 | } |
| 1495 | |
| 1496 | *out = session->tlsext_signed_cert_timestamp_list; |
| 1497 | *out_len = session->tlsext_signed_cert_timestamp_list_length; |
| 1498 | } |
| 1499 | |
| 1500 | void SSL_get0_ocsp_response(const SSL *ssl, const uint8_t **out, |
| 1501 | size_t *out_len) { |
| 1502 | SSL_SESSION *session = ssl->session; |
| 1503 | |
| 1504 | *out_len = 0; |
| 1505 | *out = NULL; |
| 1506 | if (ssl->server || !session || !session->ocsp_response) { |
| 1507 | return; |
| 1508 | } |
| 1509 | *out = session->ocsp_response; |
| 1510 | *out_len = session->ocsp_response_length; |
| 1511 | } |
| 1512 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1513 | int SSL_CTX_set_signed_cert_timestamp_list(SSL_CTX *ctx, const uint8_t *list, |
| 1514 | size_t list_len) { |
| 1515 | OPENSSL_free(ctx->signed_cert_timestamp_list); |
| 1516 | ctx->signed_cert_timestamp_list_length = 0; |
| 1517 | |
| 1518 | ctx->signed_cert_timestamp_list = BUF_memdup(list, list_len); |
| 1519 | if (ctx->signed_cert_timestamp_list == NULL) { |
| 1520 | return 0; |
| 1521 | } |
| 1522 | ctx->signed_cert_timestamp_list_length = list_len; |
| 1523 | |
| 1524 | return 1; |
| 1525 | } |
| 1526 | |
| 1527 | int SSL_CTX_set_ocsp_response(SSL_CTX *ctx, const uint8_t *response, |
| 1528 | size_t response_len) { |
| 1529 | OPENSSL_free(ctx->ocsp_response); |
| 1530 | ctx->ocsp_response_length = 0; |
| 1531 | |
| 1532 | ctx->ocsp_response = BUF_memdup(response, response_len); |
| 1533 | if (ctx->ocsp_response == NULL) { |
| 1534 | return 0; |
| 1535 | } |
| 1536 | ctx->ocsp_response_length = response_len; |
| 1537 | |
| 1538 | return 1; |
| 1539 | } |
| 1540 | |
| 1541 | int SSL_select_next_proto(uint8_t **out, uint8_t *out_len, |
| 1542 | const uint8_t *server, unsigned server_len, |
| 1543 | const uint8_t *client, unsigned client_len) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1544 | unsigned int i, j; |
| 1545 | const uint8_t *result; |
| 1546 | int status = OPENSSL_NPN_UNSUPPORTED; |
| 1547 | |
| 1548 | /* For each protocol in server preference order, see if we support it. */ |
| 1549 | for (i = 0; i < server_len;) { |
| 1550 | for (j = 0; j < client_len;) { |
| 1551 | if (server[i] == client[j] && |
| 1552 | memcmp(&server[i + 1], &client[j + 1], server[i]) == 0) { |
| 1553 | /* We found a match */ |
| 1554 | result = &server[i]; |
| 1555 | status = OPENSSL_NPN_NEGOTIATED; |
| 1556 | goto found; |
| 1557 | } |
| 1558 | j += client[j]; |
| 1559 | j++; |
| 1560 | } |
| 1561 | i += server[i]; |
| 1562 | i++; |
| 1563 | } |
| 1564 | |
| 1565 | /* There's no overlap between our protocols and the server's list. */ |
| 1566 | result = client; |
| 1567 | status = OPENSSL_NPN_NO_OVERLAP; |
| 1568 | |
| 1569 | found: |
| 1570 | *out = (uint8_t *)result + 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1571 | *out_len = result[0]; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1572 | return status; |
| 1573 | } |
| 1574 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1575 | void SSL_get0_next_proto_negotiated(const SSL *ssl, const uint8_t **out_data, |
| 1576 | unsigned *out_len) { |
| 1577 | *out_data = ssl->next_proto_negotiated; |
| 1578 | if (*out_data == NULL) { |
| 1579 | *out_len = 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1580 | } else { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1581 | *out_len = ssl->next_proto_negotiated_len; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1582 | } |
| 1583 | } |
| 1584 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1585 | void SSL_CTX_set_next_protos_advertised_cb( |
| 1586 | SSL_CTX *ctx, |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1587 | int (*cb)(SSL *ssl, const uint8_t **out, unsigned *out_len, void *arg), |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1588 | void *arg) { |
| 1589 | ctx->next_protos_advertised_cb = cb; |
| 1590 | ctx->next_protos_advertised_cb_arg = arg; |
| 1591 | } |
| 1592 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1593 | void SSL_CTX_set_next_proto_select_cb( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1594 | SSL_CTX *ctx, int (*cb)(SSL *ssl, uint8_t **out, uint8_t *out_len, |
| 1595 | const uint8_t *in, unsigned in_len, void *arg), |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1596 | void *arg) { |
| 1597 | ctx->next_proto_select_cb = cb; |
| 1598 | ctx->next_proto_select_cb_arg = arg; |
| 1599 | } |
| 1600 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1601 | int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const uint8_t *protos, |
| 1602 | unsigned protos_len) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1603 | OPENSSL_free(ctx->alpn_client_proto_list); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1604 | ctx->alpn_client_proto_list = BUF_memdup(protos, protos_len); |
| 1605 | if (!ctx->alpn_client_proto_list) { |
| 1606 | return 1; |
| 1607 | } |
| 1608 | ctx->alpn_client_proto_list_len = protos_len; |
| 1609 | |
| 1610 | return 0; |
| 1611 | } |
| 1612 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1613 | int SSL_set_alpn_protos(SSL *ssl, const uint8_t *protos, unsigned protos_len) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1614 | OPENSSL_free(ssl->alpn_client_proto_list); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1615 | ssl->alpn_client_proto_list = BUF_memdup(protos, protos_len); |
| 1616 | if (!ssl->alpn_client_proto_list) { |
| 1617 | return 1; |
| 1618 | } |
| 1619 | ssl->alpn_client_proto_list_len = protos_len; |
| 1620 | |
| 1621 | return 0; |
| 1622 | } |
| 1623 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1624 | void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, |
| 1625 | int (*cb)(SSL *ssl, const uint8_t **out, |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1626 | uint8_t *out_len, const uint8_t *in, |
| 1627 | unsigned in_len, void *arg), |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1628 | void *arg) { |
| 1629 | ctx->alpn_select_cb = cb; |
| 1630 | ctx->alpn_select_cb_arg = arg; |
| 1631 | } |
| 1632 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1633 | void SSL_get0_alpn_selected(const SSL *ssl, const uint8_t **out_data, |
| 1634 | unsigned *out_len) { |
| 1635 | *out_data = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1636 | if (ssl->s3) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1637 | *out_data = ssl->s3->alpn_selected; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1638 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1639 | if (*out_data == NULL) { |
| 1640 | *out_len = 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1641 | } else { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1642 | *out_len = ssl->s3->alpn_selected_len; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1643 | } |
| 1644 | } |
| 1645 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1646 | int SSL_export_keying_material(SSL *ssl, uint8_t *out, size_t out_len, |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1647 | const char *label, size_t label_len, |
| 1648 | const uint8_t *context, size_t context_len, |
| 1649 | int use_context) { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1650 | if (ssl->version < TLS1_VERSION) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1651 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1652 | } |
| 1653 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1654 | return ssl->enc_method->export_keying_material( |
| 1655 | ssl, out, out_len, label, label_len, context, context_len, use_context); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1656 | } |
| 1657 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1658 | void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1659 | int (*cb)(X509_STORE_CTX *store_ctx, |
| 1660 | void *arg), |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1661 | void *arg) { |
| 1662 | ctx->app_verify_callback = cb; |
| 1663 | ctx->app_verify_arg = arg; |
| 1664 | } |
| 1665 | |
| 1666 | void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, |
| 1667 | int (*cb)(int, X509_STORE_CTX *)) { |
| 1668 | ctx->verify_mode = mode; |
| 1669 | ctx->default_verify_callback = cb; |
| 1670 | } |
| 1671 | |
| 1672 | void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth) { |
| 1673 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); |
| 1674 | } |
| 1675 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1676 | void SSL_CTX_set_cert_cb(SSL_CTX *ctx, int (*cb)(SSL *ssl, void *arg), |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1677 | void *arg) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1678 | ssl_cert_set_cert_cb(ctx->cert, cb, arg); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1679 | } |
| 1680 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1681 | void SSL_set_cert_cb(SSL *ssl, int (*cb)(SSL *ssl, void *arg), void *arg) { |
| 1682 | ssl_cert_set_cert_cb(ssl->cert, cb, arg); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1683 | } |
| 1684 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1685 | void ssl_get_compatible_server_ciphers(SSL *ssl, uint32_t *out_mask_k, |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1686 | uint32_t *out_mask_a) { |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1687 | CERT *c = ssl->cert; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1688 | int have_rsa_cert = 0, dh_tmp; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1689 | uint32_t mask_k, mask_a; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1690 | int have_ecc_cert = 0, ecdsa_ok; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1691 | X509 *x; |
| 1692 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1693 | dh_tmp = (c->dh_tmp != NULL || c->dh_tmp_cb != NULL); |
| 1694 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1695 | if (ssl->cert->x509 != NULL && ssl_has_private_key(ssl)) { |
| 1696 | if (ssl_private_key_type(ssl) == EVP_PKEY_RSA) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1697 | have_rsa_cert = 1; |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1698 | } else if (ssl_private_key_type(ssl) == EVP_PKEY_EC) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1699 | have_ecc_cert = 1; |
| 1700 | } |
| 1701 | } |
| 1702 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1703 | mask_k = 0; |
| 1704 | mask_a = 0; |
| 1705 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1706 | if (dh_tmp) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1707 | mask_k |= SSL_kDHE; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1708 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1709 | if (have_rsa_cert) { |
| 1710 | mask_k |= SSL_kRSA; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1711 | mask_a |= SSL_aRSA; |
| 1712 | } |
| 1713 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1714 | /* An ECC certificate may be usable for ECDSA cipher suites depending on the |
| 1715 | * key usage extension and on the client's curve preferences. */ |
| 1716 | if (have_ecc_cert) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1717 | x = c->x509; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1718 | /* This call populates extension flags (ex_flags). */ |
| 1719 | X509_check_purpose(x, -1, 0); |
| 1720 | ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) |
| 1721 | ? (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) |
| 1722 | : 1; |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1723 | if (!tls1_check_ec_cert(ssl, x)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1724 | ecdsa_ok = 0; |
| 1725 | } |
| 1726 | if (ecdsa_ok) { |
| 1727 | mask_a |= SSL_aECDSA; |
| 1728 | } |
| 1729 | } |
| 1730 | |
| 1731 | /* If we are considering an ECC cipher suite that uses an ephemeral EC |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1732 | * key, check for a shared curve. */ |
| 1733 | uint16_t unused; |
| 1734 | if (tls1_get_shared_curve(ssl, &unused)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1735 | mask_k |= SSL_kECDHE; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1736 | } |
| 1737 | |
| 1738 | /* PSK requires a server callback. */ |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1739 | if (ssl->psk_server_callback != NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1740 | mask_k |= SSL_kPSK; |
| 1741 | mask_a |= SSL_aPSK; |
| 1742 | } |
| 1743 | |
| 1744 | *out_mask_k = mask_k; |
| 1745 | *out_mask_a = mask_a; |
| 1746 | } |
| 1747 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1748 | void ssl_update_cache(SSL *ssl, int mode) { |
| 1749 | SSL_CTX *ctx = ssl->initial_ctx; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1750 | /* Never cache sessions with empty session IDs. */ |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1751 | if (ssl->session->session_id_length == 0 || |
| 1752 | (ctx->session_cache_mode & mode) != mode) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1753 | return; |
| 1754 | } |
| 1755 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1756 | /* Clients never use the internal session cache. */ |
| 1757 | int use_internal_cache = ssl->server && !(ctx->session_cache_mode & |
| 1758 | SSL_SESS_CACHE_NO_INTERNAL_STORE); |
Adam Langley | 56d2503 | 2015-06-23 16:20:13 -0700 | [diff] [blame] | 1759 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1760 | /* A client may see new sessions on abbreviated handshakes if the server |
| 1761 | * decides to renew the ticket. Once the handshake is completed, it should be |
| 1762 | * inserted into the cache. */ |
| 1763 | if (!ssl->hit || (!ssl->server && ssl->tlsext_ticket_expected)) { |
| 1764 | if (use_internal_cache) { |
| 1765 | SSL_CTX_add_session(ctx, ssl->session); |
| 1766 | } |
| 1767 | if (ctx->new_session_cb != NULL && |
| 1768 | !ctx->new_session_cb(ssl, SSL_SESSION_up_ref(ssl->session))) { |
| 1769 | /* |new_session_cb|'s return value signals whether it took ownership. */ |
| 1770 | SSL_SESSION_free(ssl->session); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1771 | } |
| 1772 | } |
| 1773 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1774 | if (use_internal_cache && |
| 1775 | !(ctx->session_cache_mode & SSL_SESS_CACHE_NO_AUTO_CLEAR)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1776 | /* Automatically flush the internal session cache every 255 connections. */ |
| 1777 | int flush_cache = 0; |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1778 | CRYPTO_MUTEX_lock_write(&ctx->lock); |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1779 | ctx->handshakes_since_cache_flush++; |
| 1780 | if (ctx->handshakes_since_cache_flush >= 255) { |
| 1781 | flush_cache = 1; |
| 1782 | ctx->handshakes_since_cache_flush = 0; |
| 1783 | } |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1784 | CRYPTO_MUTEX_unlock(&ctx->lock); |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1785 | |
| 1786 | if (flush_cache) { |
| 1787 | SSL_CTX_flush_sessions(ctx, (unsigned long)time(NULL)); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1788 | } |
| 1789 | } |
| 1790 | } |
| 1791 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1792 | static const char *ssl_get_version(int version) { |
| 1793 | switch (version) { |
| 1794 | case TLS1_2_VERSION: |
| 1795 | return "TLSv1.2"; |
| 1796 | |
| 1797 | case TLS1_1_VERSION: |
| 1798 | return "TLSv1.1"; |
| 1799 | |
| 1800 | case TLS1_VERSION: |
| 1801 | return "TLSv1"; |
| 1802 | |
| 1803 | case SSL3_VERSION: |
| 1804 | return "SSLv3"; |
| 1805 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1806 | case DTLS1_VERSION: |
| 1807 | return "DTLSv1"; |
| 1808 | |
| 1809 | case DTLS1_2_VERSION: |
| 1810 | return "DTLSv1.2"; |
| 1811 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1812 | default: |
| 1813 | return "unknown"; |
| 1814 | } |
| 1815 | } |
| 1816 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1817 | const char *SSL_get_version(const SSL *ssl) { |
| 1818 | return ssl_get_version(ssl->version); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1819 | } |
| 1820 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1821 | const char *SSL_SESSION_get_version(const SSL_SESSION *session) { |
| 1822 | return ssl_get_version(session->ssl_version); |
| 1823 | } |
| 1824 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1825 | void ssl_clear_cipher_ctx(SSL *ssl) { |
| 1826 | SSL_AEAD_CTX_free(ssl->aead_read_ctx); |
| 1827 | ssl->aead_read_ctx = NULL; |
| 1828 | SSL_AEAD_CTX_free(ssl->aead_write_ctx); |
| 1829 | ssl->aead_write_ctx = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1830 | } |
| 1831 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1832 | X509 *SSL_get_certificate(const SSL *ssl) { |
| 1833 | if (ssl->cert != NULL) { |
| 1834 | return ssl->cert->x509; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1835 | } |
| 1836 | |
| 1837 | return NULL; |
| 1838 | } |
| 1839 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1840 | EVP_PKEY *SSL_get_privatekey(const SSL *ssl) { |
| 1841 | if (ssl->cert != NULL) { |
| 1842 | return ssl->cert->privatekey; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1843 | } |
| 1844 | |
| 1845 | return NULL; |
| 1846 | } |
| 1847 | |
| 1848 | X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx) { |
| 1849 | if (ctx->cert != NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1850 | return ctx->cert->x509; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1851 | } |
| 1852 | |
| 1853 | return NULL; |
| 1854 | } |
| 1855 | |
| 1856 | EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx) { |
| 1857 | if (ctx->cert != NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1858 | return ctx->cert->privatekey; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1859 | } |
| 1860 | |
| 1861 | return NULL; |
| 1862 | } |
| 1863 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1864 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *ssl) { |
| 1865 | if (ssl->aead_write_ctx == NULL) { |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1866 | return NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1867 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1868 | return ssl->aead_write_ctx->cipher; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1869 | } |
| 1870 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1871 | const COMP_METHOD *SSL_get_current_compression(SSL *ssl) { return NULL; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1872 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1873 | const COMP_METHOD *SSL_get_current_expansion(SSL *ssl) { return NULL; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1874 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1875 | int ssl_init_wbio_buffer(SSL *ssl, int push) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1876 | BIO *bbio; |
| 1877 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1878 | if (ssl->bbio == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1879 | bbio = BIO_new(BIO_f_buffer()); |
| 1880 | if (bbio == NULL) { |
| 1881 | return 0; |
| 1882 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1883 | ssl->bbio = bbio; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1884 | } else { |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1885 | bbio = ssl->bbio; |
| 1886 | if (ssl->bbio == ssl->wbio) { |
| 1887 | ssl->wbio = BIO_pop(ssl->wbio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1888 | } |
| 1889 | } |
| 1890 | |
| 1891 | BIO_reset(bbio); |
| 1892 | if (!BIO_set_read_buffer_size(bbio, 1)) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1893 | OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1894 | return 0; |
| 1895 | } |
| 1896 | |
| 1897 | if (push) { |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1898 | if (ssl->wbio != bbio) { |
| 1899 | ssl->wbio = BIO_push(bbio, ssl->wbio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1900 | } |
| 1901 | } else { |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1902 | if (ssl->wbio == bbio) { |
| 1903 | ssl->wbio = BIO_pop(bbio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1904 | } |
| 1905 | } |
| 1906 | |
| 1907 | return 1; |
| 1908 | } |
| 1909 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1910 | void ssl_free_wbio_buffer(SSL *ssl) { |
| 1911 | if (ssl->bbio == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1912 | return; |
| 1913 | } |
| 1914 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1915 | if (ssl->bbio == ssl->wbio) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1916 | /* remove buffering */ |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1917 | ssl->wbio = BIO_pop(ssl->wbio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1918 | } |
| 1919 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 1920 | BIO_free(ssl->bbio); |
| 1921 | ssl->bbio = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1922 | } |
| 1923 | |
| 1924 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode) { |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 1925 | ctx->quiet_shutdown = (mode != 0); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1926 | } |
| 1927 | |
| 1928 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) { |
| 1929 | return ctx->quiet_shutdown; |
| 1930 | } |
| 1931 | |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 1932 | void SSL_set_quiet_shutdown(SSL *ssl, int mode) { |
| 1933 | ssl->quiet_shutdown = (mode != 0); |
| 1934 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1935 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1936 | int SSL_get_quiet_shutdown(const SSL *ssl) { return ssl->quiet_shutdown; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1937 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1938 | void SSL_set_shutdown(SSL *ssl, int mode) { |
| 1939 | /* It is an error to clear any bits that have already been set. (We can't try |
| 1940 | * to get a second close_notify or send two.) */ |
| 1941 | assert((ssl->shutdown & mode) == ssl->shutdown); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1942 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1943 | ssl->shutdown |= mode; |
| 1944 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1945 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1946 | int SSL_get_shutdown(const SSL *ssl) { return ssl->shutdown; } |
| 1947 | |
| 1948 | int SSL_version(const SSL *ssl) { return ssl->version; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1949 | |
| 1950 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) { return ssl->ctx; } |
| 1951 | |
| 1952 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx) { |
| 1953 | if (ssl->ctx == ctx) { |
| 1954 | return ssl->ctx; |
| 1955 | } |
| 1956 | |
| 1957 | if (ctx == NULL) { |
| 1958 | ctx = ssl->initial_ctx; |
| 1959 | } |
| 1960 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1961 | ssl_cert_free(ssl->cert); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1962 | ssl->cert = ssl_cert_dup(ctx->cert); |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1963 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1964 | CRYPTO_refcount_inc(&ctx->references); |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1965 | SSL_CTX_free(ssl->ctx); /* decrement reference count */ |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1966 | ssl->ctx = ctx; |
| 1967 | |
| 1968 | ssl->sid_ctx_length = ctx->sid_ctx_length; |
| 1969 | assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx)); |
| 1970 | memcpy(ssl->sid_ctx, ctx->sid_ctx, sizeof(ssl->sid_ctx)); |
| 1971 | |
| 1972 | return ssl->ctx; |
| 1973 | } |
| 1974 | |
| 1975 | int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) { |
| 1976 | return X509_STORE_set_default_paths(ctx->cert_store); |
| 1977 | } |
| 1978 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1979 | int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *ca_file, |
| 1980 | const char *ca_dir) { |
| 1981 | return X509_STORE_load_locations(ctx->cert_store, ca_file, ca_dir); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1982 | } |
| 1983 | |
| 1984 | void SSL_set_info_callback(SSL *ssl, |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1985 | void (*cb)(const SSL *ssl, int type, int value)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1986 | ssl->info_callback = cb; |
| 1987 | } |
| 1988 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1989 | void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl, int type, |
| 1990 | int value) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1991 | return ssl->info_callback; |
| 1992 | } |
| 1993 | |
| 1994 | int SSL_state(const SSL *ssl) { return ssl->state; } |
| 1995 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1996 | void SSL_set_state(SSL *ssl, int state) { } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1997 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1998 | void SSL_set_verify_result(SSL *ssl, long result) { |
| 1999 | ssl->verify_result = result; |
| 2000 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2001 | |
| 2002 | long SSL_get_verify_result(const SSL *ssl) { return ssl->verify_result; } |
| 2003 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2004 | int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_unused *unused, |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2005 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2006 | int index; |
| 2007 | if (!CRYPTO_get_ex_new_index(&g_ex_data_class_ssl, &index, argl, argp, |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2008 | dup_func, free_func)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2009 | return -1; |
| 2010 | } |
| 2011 | return index; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2012 | } |
| 2013 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2014 | int SSL_set_ex_data(SSL *ssl, int idx, void *arg) { |
| 2015 | return CRYPTO_set_ex_data(&ssl->ex_data, idx, arg); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2016 | } |
| 2017 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2018 | void *SSL_get_ex_data(const SSL *ssl, int idx) { |
| 2019 | return CRYPTO_get_ex_data(&ssl->ex_data, idx); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2020 | } |
| 2021 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2022 | int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_unused *unused, |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2023 | CRYPTO_EX_dup *dup_func, |
| 2024 | CRYPTO_EX_free *free_func) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2025 | int index; |
| 2026 | if (!CRYPTO_get_ex_new_index(&g_ex_data_class_ssl_ctx, &index, argl, argp, |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2027 | dup_func, free_func)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2028 | return -1; |
| 2029 | } |
| 2030 | return index; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2031 | } |
| 2032 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2033 | int SSL_CTX_set_ex_data(SSL_CTX *ctx, int idx, void *arg) { |
| 2034 | return CRYPTO_set_ex_data(&ctx->ex_data, idx, arg); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2035 | } |
| 2036 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2037 | void *SSL_CTX_get_ex_data(const SSL_CTX *ctx, int idx) { |
| 2038 | return CRYPTO_get_ex_data(&ctx->ex_data, idx); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2039 | } |
| 2040 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2041 | X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) { |
| 2042 | return ctx->cert_store; |
| 2043 | } |
| 2044 | |
| 2045 | void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2046 | X509_STORE_free(ctx->cert_store); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2047 | ctx->cert_store = store; |
| 2048 | } |
| 2049 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2050 | int SSL_want(const SSL *ssl) { return ssl->rwstate; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2051 | |
| 2052 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx, |
| 2053 | RSA *(*cb)(SSL *ssl, int is_export, |
| 2054 | int keylength)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2055 | } |
| 2056 | |
| 2057 | void SSL_set_tmp_rsa_callback(SSL *ssl, RSA *(*cb)(SSL *ssl, int is_export, |
| 2058 | int keylength)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2059 | } |
| 2060 | |
| 2061 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2062 | DH *(*callback)(SSL *ssl, int is_export, |
| 2063 | int keylength)) { |
| 2064 | ctx->cert->dh_tmp_cb = callback; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2065 | } |
| 2066 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2067 | void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*callback)(SSL *ssl, int is_export, |
| 2068 | int keylength)) { |
| 2069 | ssl->cert->dh_tmp_cb = callback; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2070 | } |
| 2071 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2072 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) { |
| 2073 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2074 | OPENSSL_PUT_ERROR(SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2075 | return 0; |
| 2076 | } |
| 2077 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2078 | OPENSSL_free(ctx->psk_identity_hint); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2079 | |
| 2080 | if (identity_hint != NULL) { |
| 2081 | ctx->psk_identity_hint = BUF_strdup(identity_hint); |
| 2082 | if (ctx->psk_identity_hint == NULL) { |
| 2083 | return 0; |
| 2084 | } |
| 2085 | } else { |
| 2086 | ctx->psk_identity_hint = NULL; |
| 2087 | } |
| 2088 | |
| 2089 | return 1; |
| 2090 | } |
| 2091 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2092 | int SSL_use_psk_identity_hint(SSL *ssl, const char *identity_hint) { |
| 2093 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2094 | return 0; |
| 2095 | } |
| 2096 | |
| 2097 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2098 | OPENSSL_PUT_ERROR(SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2099 | return 0; |
| 2100 | } |
| 2101 | |
| 2102 | /* Clear currently configured hint, if any. */ |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2103 | OPENSSL_free(ssl->psk_identity_hint); |
| 2104 | ssl->psk_identity_hint = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2105 | |
| 2106 | if (identity_hint != NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2107 | ssl->psk_identity_hint = BUF_strdup(identity_hint); |
| 2108 | if (ssl->psk_identity_hint == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2109 | return 0; |
| 2110 | } |
| 2111 | } |
| 2112 | |
| 2113 | return 1; |
| 2114 | } |
| 2115 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2116 | const char *SSL_get_psk_identity_hint(const SSL *ssl) { |
| 2117 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2118 | return NULL; |
| 2119 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2120 | return ssl->psk_identity_hint; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2121 | } |
| 2122 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2123 | const char *SSL_get_psk_identity(const SSL *ssl) { |
| 2124 | if (ssl == NULL || ssl->session == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2125 | return NULL; |
| 2126 | } |
| 2127 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2128 | return ssl->session->psk_identity; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2129 | } |
| 2130 | |
| 2131 | void SSL_set_psk_client_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2132 | SSL *ssl, unsigned (*cb)(SSL *ssl, const char *hint, char *identity, |
| 2133 | unsigned max_identity_len, uint8_t *psk, |
| 2134 | unsigned max_psk_len)) { |
| 2135 | ssl->psk_client_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2136 | } |
| 2137 | |
| 2138 | void SSL_CTX_set_psk_client_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2139 | SSL_CTX *ctx, unsigned (*cb)(SSL *ssl, const char *hint, char *identity, |
| 2140 | unsigned max_identity_len, uint8_t *psk, |
| 2141 | unsigned max_psk_len)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2142 | ctx->psk_client_callback = cb; |
| 2143 | } |
| 2144 | |
| 2145 | void SSL_set_psk_server_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2146 | SSL *ssl, unsigned (*cb)(SSL *ssl, const char *identity, uint8_t *psk, |
| 2147 | unsigned max_psk_len)) { |
| 2148 | ssl->psk_server_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2149 | } |
| 2150 | |
| 2151 | void SSL_CTX_set_psk_server_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2152 | SSL_CTX *ctx, unsigned (*cb)(SSL *ssl, const char *identity, |
| 2153 | uint8_t *psk, unsigned max_psk_len)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2154 | ctx->psk_server_callback = cb; |
| 2155 | } |
| 2156 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2157 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, |
| 2158 | void (*cb)(int write_p, int version, |
| 2159 | int content_type, const void *buf, |
| 2160 | size_t len, SSL *ssl, void *arg)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2161 | ctx->msg_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2162 | } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2163 | |
| 2164 | void SSL_CTX_set_msg_callback_arg(SSL_CTX *ctx, void *arg) { |
| 2165 | ctx->msg_callback_arg = arg; |
| 2166 | } |
| 2167 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2168 | void SSL_set_msg_callback(SSL *ssl, |
| 2169 | void (*cb)(int write_p, int version, int content_type, |
| 2170 | const void *buf, size_t len, SSL *ssl, |
| 2171 | void *arg)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2172 | ssl->msg_callback = cb; |
| 2173 | } |
| 2174 | |
| 2175 | void SSL_set_msg_callback_arg(SSL *ssl, void *arg) { |
| 2176 | ssl->msg_callback_arg = arg; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2177 | } |
| 2178 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2179 | void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, |
| 2180 | void (*cb)(const SSL *ssl, const char *line)) { |
| 2181 | ctx->keylog_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2182 | } |
| 2183 | |
| 2184 | static int cbb_add_hex(CBB *cbb, const uint8_t *in, size_t in_len) { |
| 2185 | static const char hextable[] = "0123456789abcdef"; |
| 2186 | uint8_t *out; |
| 2187 | size_t i; |
| 2188 | |
| 2189 | if (!CBB_add_space(cbb, &out, in_len * 2)) { |
| 2190 | return 0; |
| 2191 | } |
| 2192 | |
| 2193 | for (i = 0; i < in_len; i++) { |
| 2194 | *(out++) = (uint8_t)hextable[in[i] >> 4]; |
| 2195 | *(out++) = (uint8_t)hextable[in[i] & 0xf]; |
| 2196 | } |
| 2197 | |
| 2198 | return 1; |
| 2199 | } |
| 2200 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2201 | int ssl_log_rsa_client_key_exchange(const SSL *ssl, |
| 2202 | const uint8_t *encrypted_premaster, |
| 2203 | size_t encrypted_premaster_len, |
| 2204 | const uint8_t *premaster, |
| 2205 | size_t premaster_len) { |
| 2206 | if (ssl->ctx->keylog_callback == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2207 | return 1; |
| 2208 | } |
| 2209 | |
| 2210 | if (encrypted_premaster_len < 8) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2211 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2212 | return 0; |
| 2213 | } |
| 2214 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2215 | CBB cbb; |
| 2216 | uint8_t *out; |
| 2217 | size_t out_len; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2218 | if (!CBB_init(&cbb, 4 + 16 + 1 + premaster_len * 2 + 1) || |
| 2219 | !CBB_add_bytes(&cbb, (const uint8_t *)"RSA ", 4) || |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2220 | /* Only the first 8 bytes of the encrypted premaster secret are |
| 2221 | * logged. */ |
| 2222 | !cbb_add_hex(&cbb, encrypted_premaster, 8) || |
| 2223 | !CBB_add_bytes(&cbb, (const uint8_t *)" ", 1) || |
| 2224 | !cbb_add_hex(&cbb, premaster, premaster_len) || |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2225 | !CBB_add_u8(&cbb, 0 /* NUL */) || |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2226 | !CBB_finish(&cbb, &out, &out_len)) { |
| 2227 | CBB_cleanup(&cbb); |
| 2228 | return 0; |
| 2229 | } |
| 2230 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2231 | ssl->ctx->keylog_callback(ssl, (const char *)out); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2232 | OPENSSL_free(out); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2233 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2234 | } |
| 2235 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2236 | int ssl_log_master_secret(const SSL *ssl, const uint8_t *client_random, |
| 2237 | size_t client_random_len, const uint8_t *master, |
| 2238 | size_t master_len) { |
| 2239 | if (ssl->ctx->keylog_callback == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2240 | return 1; |
| 2241 | } |
| 2242 | |
| 2243 | if (client_random_len != 32) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2244 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2245 | return 0; |
| 2246 | } |
| 2247 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2248 | CBB cbb; |
| 2249 | uint8_t *out; |
| 2250 | size_t out_len; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2251 | if (!CBB_init(&cbb, 14 + 64 + 1 + master_len * 2 + 1) || |
| 2252 | !CBB_add_bytes(&cbb, (const uint8_t *)"CLIENT_RANDOM ", 14) || |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2253 | !cbb_add_hex(&cbb, client_random, 32) || |
| 2254 | !CBB_add_bytes(&cbb, (const uint8_t *)" ", 1) || |
| 2255 | !cbb_add_hex(&cbb, master, master_len) || |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2256 | !CBB_add_u8(&cbb, 0 /* NUL */) || |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2257 | !CBB_finish(&cbb, &out, &out_len)) { |
| 2258 | CBB_cleanup(&cbb); |
| 2259 | return 0; |
| 2260 | } |
| 2261 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2262 | ssl->ctx->keylog_callback(ssl, (const char *)out); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2263 | OPENSSL_free(out); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2264 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2265 | } |
| 2266 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2267 | int SSL_is_init_finished(const SSL *ssl) { |
| 2268 | return ssl->state == SSL_ST_OK; |
| 2269 | } |
| 2270 | |
| 2271 | int SSL_in_init(const SSL *ssl) { |
| 2272 | return (ssl->state & SSL_ST_INIT) != 0; |
| 2273 | } |
| 2274 | |
| 2275 | int SSL_in_false_start(const SSL *ssl) { |
| 2276 | return ssl->s3->tmp.in_false_start; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2277 | } |
| 2278 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2279 | int SSL_cutthrough_complete(const SSL *ssl) { |
| 2280 | return SSL_in_false_start(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2281 | } |
| 2282 | |
| 2283 | void SSL_get_structure_sizes(size_t *ssl_size, size_t *ssl_ctx_size, |
| 2284 | size_t *ssl_session_size) { |
| 2285 | *ssl_size = sizeof(SSL); |
| 2286 | *ssl_ctx_size = sizeof(SSL_CTX); |
| 2287 | *ssl_session_size = sizeof(SSL_SESSION); |
| 2288 | } |
| 2289 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2290 | int ssl3_can_false_start(const SSL *ssl) { |
| 2291 | const SSL_CIPHER *const cipher = SSL_get_current_cipher(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2292 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2293 | /* False Start only for TLS 1.2 with an ECDHE+AEAD cipher and ALPN or NPN. */ |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2294 | return !SSL_IS_DTLS(ssl) && |
| 2295 | SSL_version(ssl) >= TLS1_2_VERSION && |
| 2296 | (ssl->s3->alpn_selected || ssl->s3->next_proto_neg_seen) && |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2297 | cipher != NULL && |
| 2298 | cipher->algorithm_mkey == SSL_kECDHE && |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2299 | cipher->algorithm_mac == SSL_AEAD; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2300 | } |
| 2301 | |
| 2302 | const SSL3_ENC_METHOD *ssl3_get_enc_method(uint16_t version) { |
| 2303 | switch (version) { |
| 2304 | case SSL3_VERSION: |
| 2305 | return &SSLv3_enc_data; |
| 2306 | |
| 2307 | case TLS1_VERSION: |
| 2308 | return &TLSv1_enc_data; |
| 2309 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2310 | case DTLS1_VERSION: |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2311 | case TLS1_1_VERSION: |
| 2312 | return &TLSv1_1_enc_data; |
| 2313 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2314 | case DTLS1_2_VERSION: |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2315 | case TLS1_2_VERSION: |
| 2316 | return &TLSv1_2_enc_data; |
| 2317 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2318 | default: |
| 2319 | return NULL; |
| 2320 | } |
| 2321 | } |
| 2322 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2323 | uint16_t ssl3_get_max_server_version(const SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2324 | uint16_t max_version; |
| 2325 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2326 | if (SSL_IS_DTLS(ssl)) { |
| 2327 | max_version = (ssl->max_version != 0) ? ssl->max_version : DTLS1_2_VERSION; |
| 2328 | if (!(ssl->options & SSL_OP_NO_DTLSv1_2) && |
| 2329 | DTLS1_2_VERSION >= max_version) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2330 | return DTLS1_2_VERSION; |
| 2331 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2332 | if (!(ssl->options & SSL_OP_NO_DTLSv1) && DTLS1_VERSION >= max_version) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2333 | return DTLS1_VERSION; |
| 2334 | } |
| 2335 | return 0; |
| 2336 | } |
| 2337 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2338 | max_version = (ssl->max_version != 0) ? ssl->max_version : TLS1_2_VERSION; |
| 2339 | if (!(ssl->options & SSL_OP_NO_TLSv1_2) && TLS1_2_VERSION <= max_version) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2340 | return TLS1_2_VERSION; |
| 2341 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2342 | if (!(ssl->options & SSL_OP_NO_TLSv1_1) && TLS1_1_VERSION <= max_version) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2343 | return TLS1_1_VERSION; |
| 2344 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2345 | if (!(ssl->options & SSL_OP_NO_TLSv1) && TLS1_VERSION <= max_version) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2346 | return TLS1_VERSION; |
| 2347 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2348 | if (!(ssl->options & SSL_OP_NO_SSLv3) && SSL3_VERSION <= max_version) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2349 | return SSL3_VERSION; |
| 2350 | } |
| 2351 | return 0; |
| 2352 | } |
| 2353 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2354 | uint16_t ssl3_get_mutual_version(SSL *ssl, uint16_t client_version) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2355 | uint16_t version = 0; |
| 2356 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2357 | if (SSL_IS_DTLS(ssl)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2358 | /* Clamp client_version to max_version. */ |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2359 | if (ssl->max_version != 0 && client_version < ssl->max_version) { |
| 2360 | client_version = ssl->max_version; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2361 | } |
| 2362 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2363 | if (client_version <= DTLS1_2_VERSION && |
| 2364 | !(ssl->options & SSL_OP_NO_DTLSv1_2)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2365 | version = DTLS1_2_VERSION; |
| 2366 | } else if (client_version <= DTLS1_VERSION && |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2367 | !(ssl->options & SSL_OP_NO_DTLSv1)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2368 | version = DTLS1_VERSION; |
| 2369 | } |
| 2370 | |
| 2371 | /* Check against min_version. */ |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2372 | if (version != 0 && ssl->min_version != 0 && version > ssl->min_version) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2373 | return 0; |
| 2374 | } |
| 2375 | return version; |
| 2376 | } else { |
| 2377 | /* Clamp client_version to max_version. */ |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2378 | if (ssl->max_version != 0 && client_version > ssl->max_version) { |
| 2379 | client_version = ssl->max_version; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2380 | } |
| 2381 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2382 | if (client_version >= TLS1_2_VERSION && |
| 2383 | !(ssl->options & SSL_OP_NO_TLSv1_2)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2384 | version = TLS1_2_VERSION; |
| 2385 | } else if (client_version >= TLS1_1_VERSION && |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2386 | !(ssl->options & SSL_OP_NO_TLSv1_1)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2387 | version = TLS1_1_VERSION; |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2388 | } else if (client_version >= TLS1_VERSION && |
| 2389 | !(ssl->options & SSL_OP_NO_TLSv1)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2390 | version = TLS1_VERSION; |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2391 | } else if (client_version >= SSL3_VERSION && |
| 2392 | !(ssl->options & SSL_OP_NO_SSLv3)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2393 | version = SSL3_VERSION; |
| 2394 | } |
| 2395 | |
| 2396 | /* Check against min_version. */ |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2397 | if (version != 0 && ssl->min_version != 0 && version < ssl->min_version) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2398 | return 0; |
| 2399 | } |
| 2400 | return version; |
| 2401 | } |
| 2402 | } |
| 2403 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2404 | uint16_t ssl3_get_max_client_version(SSL *ssl) { |
| 2405 | uint32_t options = ssl->options; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2406 | uint16_t version = 0; |
| 2407 | |
| 2408 | /* OpenSSL's API for controlling versions entails blacklisting individual |
| 2409 | * protocols. This has two problems. First, on the client, the protocol can |
| 2410 | * only express a contiguous range of versions. Second, a library consumer |
| 2411 | * trying to set a maximum version cannot disable protocol versions that get |
| 2412 | * added in a future version of the library. |
| 2413 | * |
| 2414 | * To account for both of these, OpenSSL interprets the client-side bitmask |
| 2415 | * as a min/max range by picking the lowest contiguous non-empty range of |
| 2416 | * enabled protocols. Note that this means it is impossible to set a maximum |
| 2417 | * version of TLS 1.2 in a future-proof way. |
| 2418 | * |
| 2419 | * By this scheme, the maximum version is the lowest version V such that V is |
| 2420 | * enabled and V+1 is disabled or unimplemented. */ |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2421 | if (SSL_IS_DTLS(ssl)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2422 | if (!(options & SSL_OP_NO_DTLSv1_2)) { |
| 2423 | version = DTLS1_2_VERSION; |
| 2424 | } |
| 2425 | if (!(options & SSL_OP_NO_DTLSv1) && (options & SSL_OP_NO_DTLSv1_2)) { |
| 2426 | version = DTLS1_VERSION; |
| 2427 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2428 | if (ssl->max_version != 0 && version < ssl->max_version) { |
| 2429 | version = ssl->max_version; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2430 | } |
| 2431 | } else { |
| 2432 | if (!(options & SSL_OP_NO_TLSv1_2)) { |
| 2433 | version = TLS1_2_VERSION; |
| 2434 | } |
| 2435 | if (!(options & SSL_OP_NO_TLSv1_1) && (options & SSL_OP_NO_TLSv1_2)) { |
| 2436 | version = TLS1_1_VERSION; |
| 2437 | } |
| 2438 | if (!(options & SSL_OP_NO_TLSv1) && (options & SSL_OP_NO_TLSv1_1)) { |
| 2439 | version = TLS1_VERSION; |
| 2440 | } |
| 2441 | if (!(options & SSL_OP_NO_SSLv3) && (options & SSL_OP_NO_TLSv1)) { |
| 2442 | version = SSL3_VERSION; |
| 2443 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2444 | if (ssl->max_version != 0 && version > ssl->max_version) { |
| 2445 | version = ssl->max_version; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2446 | } |
| 2447 | } |
| 2448 | |
| 2449 | return version; |
| 2450 | } |
| 2451 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2452 | int ssl3_is_version_enabled(SSL *ssl, uint16_t version) { |
| 2453 | if (SSL_IS_DTLS(ssl)) { |
| 2454 | if (ssl->max_version != 0 && version < ssl->max_version) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2455 | return 0; |
| 2456 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2457 | if (ssl->min_version != 0 && version > ssl->min_version) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2458 | return 0; |
| 2459 | } |
| 2460 | |
| 2461 | switch (version) { |
| 2462 | case DTLS1_VERSION: |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2463 | return !(ssl->options & SSL_OP_NO_DTLSv1); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2464 | |
| 2465 | case DTLS1_2_VERSION: |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2466 | return !(ssl->options & SSL_OP_NO_DTLSv1_2); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2467 | |
| 2468 | default: |
| 2469 | return 0; |
| 2470 | } |
| 2471 | } else { |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2472 | if (ssl->max_version != 0 && version > ssl->max_version) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2473 | return 0; |
| 2474 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2475 | if (ssl->min_version != 0 && version < ssl->min_version) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2476 | return 0; |
| 2477 | } |
| 2478 | |
| 2479 | switch (version) { |
| 2480 | case SSL3_VERSION: |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2481 | return !(ssl->options & SSL_OP_NO_SSLv3); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2482 | |
| 2483 | case TLS1_VERSION: |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2484 | return !(ssl->options & SSL_OP_NO_TLSv1); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2485 | |
| 2486 | case TLS1_1_VERSION: |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2487 | return !(ssl->options & SSL_OP_NO_TLSv1_1); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2488 | |
| 2489 | case TLS1_2_VERSION: |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2490 | return !(ssl->options & SSL_OP_NO_TLSv1_2); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2491 | |
| 2492 | default: |
| 2493 | return 0; |
| 2494 | } |
| 2495 | } |
| 2496 | } |
| 2497 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame^] | 2498 | uint16_t ssl3_version_from_wire(SSL *ssl, uint16_t wire_version) { |
| 2499 | if (!SSL_IS_DTLS(ssl)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2500 | return wire_version; |
| 2501 | } |
| 2502 | |
| 2503 | uint16_t tls_version = ~wire_version; |
| 2504 | uint16_t version = tls_version + 0x0201; |
| 2505 | /* If either component overflowed, clamp it so comparisons still work. */ |
| 2506 | if ((version >> 8) < (tls_version >> 8)) { |
| 2507 | version = 0xff00 | (version & 0xff); |
| 2508 | } |
| 2509 | if ((version & 0xff) < (tls_version & 0xff)) { |
| 2510 | version = (version & 0xff00) | 0xff; |
| 2511 | } |
| 2512 | /* DTLS 1.0 maps to TLS 1.1, not TLS 1.0. */ |
| 2513 | if (version == TLS1_VERSION) { |
| 2514 | version = TLS1_1_VERSION; |
| 2515 | } |
| 2516 | return version; |
| 2517 | } |
| 2518 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2519 | int SSL_cache_hit(SSL *ssl) { return SSL_session_reused(ssl); } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2520 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2521 | int SSL_is_server(SSL *ssl) { return ssl->server; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2522 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2523 | void SSL_CTX_set_select_certificate_cb( |
| 2524 | SSL_CTX *ctx, int (*cb)(const struct ssl_early_callback_ctx *)) { |
| 2525 | ctx->select_certificate_cb = cb; |
| 2526 | } |
| 2527 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2528 | void SSL_CTX_set_dos_protection_cb( |
| 2529 | SSL_CTX *ctx, int (*cb)(const struct ssl_early_callback_ctx *)) { |
| 2530 | ctx->dos_protection_cb = cb; |
| 2531 | } |
| 2532 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2533 | void SSL_set_renegotiate_mode(SSL *ssl, enum ssl_renegotiate_mode_t mode) { |
| 2534 | ssl->renegotiate_mode = mode; |
| 2535 | } |
| 2536 | |
| 2537 | void SSL_set_reject_peer_renegotiations(SSL *ssl, int reject) { |
| 2538 | SSL_set_renegotiate_mode( |
| 2539 | ssl, reject ? ssl_renegotiate_never : ssl_renegotiate_freely); |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2540 | } |
| 2541 | |
| 2542 | int SSL_get_rc4_state(const SSL *ssl, const RC4_KEY **read_key, |
| 2543 | const RC4_KEY **write_key) { |
| 2544 | if (ssl->aead_read_ctx == NULL || ssl->aead_write_ctx == NULL) { |
| 2545 | return 0; |
| 2546 | } |
| 2547 | |
| 2548 | return EVP_AEAD_CTX_get_rc4_state(&ssl->aead_read_ctx->ctx, read_key) && |
| 2549 | EVP_AEAD_CTX_get_rc4_state(&ssl->aead_write_ctx->ctx, write_key); |
| 2550 | } |
| 2551 | |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2552 | int SSL_get_ivs(const SSL *ssl, const uint8_t **out_read_iv, |
| 2553 | const uint8_t **out_write_iv, size_t *out_iv_len) { |
| 2554 | if (ssl->aead_read_ctx == NULL || ssl->aead_write_ctx == NULL) { |
| 2555 | return 0; |
| 2556 | } |
| 2557 | |
| 2558 | size_t write_iv_len; |
| 2559 | if (!EVP_AEAD_CTX_get_iv(&ssl->aead_read_ctx->ctx, out_read_iv, out_iv_len) || |
| 2560 | !EVP_AEAD_CTX_get_iv(&ssl->aead_write_ctx->ctx, out_write_iv, |
| 2561 | &write_iv_len) || |
| 2562 | *out_iv_len != write_iv_len) { |
| 2563 | return 0; |
| 2564 | } |
| 2565 | |
| 2566 | return 1; |
| 2567 | } |
| 2568 | |
| 2569 | uint8_t SSL_get_server_key_exchange_hash(const SSL *ssl) { |
| 2570 | return ssl->s3->tmp.server_key_exchange_hash; |
| 2571 | } |
| 2572 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2573 | int SSL_clear(SSL *ssl) { |
| 2574 | if (ssl->method == NULL) { |
| 2575 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_METHOD_SPECIFIED); |
| 2576 | return 0; |
| 2577 | } |
| 2578 | |
| 2579 | if (ssl_clear_bad_session(ssl)) { |
| 2580 | SSL_SESSION_free(ssl->session); |
| 2581 | ssl->session = NULL; |
| 2582 | } |
| 2583 | |
| 2584 | ssl->hit = 0; |
| 2585 | ssl->shutdown = 0; |
| 2586 | |
| 2587 | /* SSL_clear may be called before or after the |ssl| is initialized in either |
| 2588 | * accept or connect state. In the latter case, SSL_clear should preserve the |
| 2589 | * half and reset |ssl->state| accordingly. */ |
| 2590 | if (ssl->handshake_func != NULL) { |
| 2591 | if (ssl->server) { |
| 2592 | SSL_set_accept_state(ssl); |
| 2593 | } else { |
| 2594 | SSL_set_connect_state(ssl); |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2595 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2596 | } else { |
| 2597 | assert(ssl->state == 0); |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2598 | } |
| 2599 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2600 | /* TODO(davidben): Some state on |ssl| is reset both in |SSL_new| and |
| 2601 | * |SSL_clear| because it is per-connection state rather than configuration |
| 2602 | * state. Per-connection state should be on |ssl->s3| and |ssl->d1| so it is |
| 2603 | * naturally reset at the right points between |SSL_new|, |SSL_clear|, and |
| 2604 | * |ssl3_new|. */ |
| 2605 | |
| 2606 | ssl->rwstate = SSL_NOTHING; |
| 2607 | |
| 2608 | BUF_MEM_free(ssl->init_buf); |
| 2609 | ssl->init_buf = NULL; |
| 2610 | |
| 2611 | ssl_clear_cipher_ctx(ssl); |
| 2612 | |
| 2613 | OPENSSL_free(ssl->next_proto_negotiated); |
| 2614 | ssl->next_proto_negotiated = NULL; |
| 2615 | ssl->next_proto_negotiated_len = 0; |
| 2616 | |
| 2617 | /* The ssl->d1->mtu is simultaneously configuration (preserved across |
| 2618 | * clear) and connection-specific state (gets reset). |
| 2619 | * |
| 2620 | * TODO(davidben): Avoid this. */ |
| 2621 | unsigned mtu = 0; |
| 2622 | if (ssl->d1 != NULL) { |
| 2623 | mtu = ssl->d1->mtu; |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2624 | } |
| 2625 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2626 | ssl->method->ssl_free(ssl); |
| 2627 | if (!ssl->method->ssl_new(ssl)) { |
| 2628 | return 0; |
| 2629 | } |
| 2630 | ssl->enc_method = ssl3_get_enc_method(ssl->version); |
| 2631 | assert(ssl->enc_method != NULL); |
| 2632 | |
| 2633 | if (SSL_IS_DTLS(ssl) && (SSL_get_options(ssl) & SSL_OP_NO_QUERY_MTU)) { |
| 2634 | ssl->d1->mtu = mtu; |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2635 | } |
| 2636 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2637 | ssl->client_version = ssl->version; |
| 2638 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2639 | return 1; |
Adam Langley | 56d2503 | 2015-06-23 16:20:13 -0700 | [diff] [blame] | 2640 | } |
| 2641 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2642 | int SSL_CTX_sess_connect(const SSL_CTX *ctx) { return 0; } |
| 2643 | int SSL_CTX_sess_connect_good(const SSL_CTX *ctx) { return 0; } |
| 2644 | int SSL_CTX_sess_connect_renegotiate(const SSL_CTX *ctx) { return 0; } |
| 2645 | int SSL_CTX_sess_accept(const SSL_CTX *ctx) { return 0; } |
| 2646 | int SSL_CTX_sess_accept_renegotiate(const SSL_CTX *ctx) { return 0; } |
| 2647 | int SSL_CTX_sess_accept_good(const SSL_CTX *ctx) { return 0; } |
| 2648 | int SSL_CTX_sess_hits(const SSL_CTX *ctx) { return 0; } |
| 2649 | int SSL_CTX_sess_cb_hits(const SSL_CTX *ctx) { return 0; } |
| 2650 | int SSL_CTX_sess_misses(const SSL_CTX *ctx) { return 0; } |
| 2651 | int SSL_CTX_sess_timeouts(const SSL_CTX *ctx) { return 0; } |
| 2652 | int SSL_CTX_sess_cache_full(const SSL_CTX *ctx) { return 0; } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2653 | void ERR_load_SSL_strings(void) {} |
| 2654 | void SSL_load_error_strings(void) {} |