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> |
David Benjamin | f0c4a6c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 144 | #include <stdlib.h> |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 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 | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 149 | #include <openssl/err.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 150 | #include <openssl/lhash.h> |
| 151 | #include <openssl/mem.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 152 | #include <openssl/rand.h> |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 153 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 154 | #include "internal.h" |
| 155 | #include "../crypto/internal.h" |
| 156 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 157 | #if defined(OPENSSL_WINDOWS) |
| 158 | #include <sys/timeb.h> |
| 159 | #else |
| 160 | #include <sys/socket.h> |
| 161 | #include <sys/time.h> |
| 162 | #endif |
| 163 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 164 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 165 | /* |SSL_R_UNKNOWN_PROTOCOL| is no longer emitted, but continue to define it |
| 166 | * to avoid downstream churn. */ |
| 167 | OPENSSL_DECLARE_ERROR_REASON(SSL, UNKNOWN_PROTOCOL) |
| 168 | |
David Benjamin | f0c4a6c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 169 | /* The following errors are no longer emitted, but are used in nginx without |
| 170 | * #ifdefs. */ |
| 171 | OPENSSL_DECLARE_ERROR_REASON(SSL, BLOCK_CIPHER_PAD_IS_WRONG) |
| 172 | OPENSSL_DECLARE_ERROR_REASON(SSL, NO_CIPHERS_SPECIFIED) |
| 173 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 174 | /* Some error codes are special. Ensure the make_errors.go script never |
| 175 | * regresses this. */ |
| 176 | OPENSSL_COMPILE_ASSERT(SSL_R_TLSV1_ALERT_NO_RENEGOTIATION == |
| 177 | SSL_AD_NO_RENEGOTIATION + SSL_AD_REASON_OFFSET, |
| 178 | ssl_alert_reason_code_mismatch); |
| 179 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 180 | /* kMaxHandshakeSize is the maximum size, in bytes, of a handshake message. */ |
| 181 | static const size_t kMaxHandshakeSize = (1u << 24) - 1; |
| 182 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 183 | static CRYPTO_EX_DATA_CLASS g_ex_data_class_ssl = |
| 184 | CRYPTO_EX_DATA_CLASS_INIT_WITH_APP_DATA; |
| 185 | static CRYPTO_EX_DATA_CLASS g_ex_data_class_ssl_ctx = |
| 186 | CRYPTO_EX_DATA_CLASS_INIT_WITH_APP_DATA; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 187 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 188 | int SSL_library_init(void) { |
| 189 | CRYPTO_library_init(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 190 | return 1; |
| 191 | } |
| 192 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 193 | static uint32_t ssl_session_hash(const SSL_SESSION *sess) { |
| 194 | const uint8_t *session_id = sess->session_id; |
| 195 | |
| 196 | uint8_t tmp_storage[sizeof(uint32_t)]; |
| 197 | if (sess->session_id_length < sizeof(tmp_storage)) { |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 198 | OPENSSL_memset(tmp_storage, 0, sizeof(tmp_storage)); |
| 199 | OPENSSL_memcpy(tmp_storage, sess->session_id, sess->session_id_length); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 200 | session_id = tmp_storage; |
| 201 | } |
| 202 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 203 | uint32_t hash = |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 204 | ((uint32_t)session_id[0]) | |
| 205 | ((uint32_t)session_id[1] << 8) | |
| 206 | ((uint32_t)session_id[2] << 16) | |
| 207 | ((uint32_t)session_id[3] << 24); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 208 | |
| 209 | return hash; |
| 210 | } |
| 211 | |
| 212 | /* NB: If this function (or indeed the hash function which uses a sort of |
| 213 | * coarser function than this one) is changed, ensure |
| 214 | * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being |
| 215 | * able to construct an SSL_SESSION that will collide with any existing session |
| 216 | * with a matching session ID. */ |
| 217 | static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b) { |
| 218 | if (a->ssl_version != b->ssl_version) { |
| 219 | return 1; |
| 220 | } |
| 221 | |
| 222 | if (a->session_id_length != b->session_id_length) { |
| 223 | return 1; |
| 224 | } |
| 225 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 226 | return OPENSSL_memcmp(a->session_id, b->session_id, a->session_id_length); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *method) { |
| 230 | SSL_CTX *ret = NULL; |
| 231 | |
| 232 | if (method == NULL) { |
| 233 | OPENSSL_PUT_ERROR(SSL, SSL_R_NULL_SSL_METHOD_PASSED); |
| 234 | return NULL; |
| 235 | } |
| 236 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 237 | ret = OPENSSL_malloc(sizeof(SSL_CTX)); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 238 | if (ret == NULL) { |
| 239 | goto err; |
| 240 | } |
| 241 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 242 | OPENSSL_memset(ret, 0, sizeof(SSL_CTX)); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 243 | |
| 244 | ret->method = method->method; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 245 | ret->x509_method = method->x509_method; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 246 | |
| 247 | CRYPTO_MUTEX_init(&ret->lock); |
| 248 | |
| 249 | ret->session_cache_mode = SSL_SESS_CACHE_SERVER; |
| 250 | ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; |
| 251 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 252 | ret->session_timeout = SSL_DEFAULT_SESSION_TIMEOUT; |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 253 | ret->session_psk_dhe_timeout = SSL_DEFAULT_SESSION_PSK_DHE_TIMEOUT; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 254 | |
| 255 | ret->references = 1; |
| 256 | |
| 257 | ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT; |
| 258 | ret->verify_mode = SSL_VERIFY_NONE; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 259 | ret->cert = ssl_cert_new(method->x509_method); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 260 | if (ret->cert == NULL) { |
| 261 | goto err; |
| 262 | } |
| 263 | |
| 264 | ret->sessions = lh_SSL_SESSION_new(ssl_session_hash, ssl_session_cmp); |
| 265 | if (ret->sessions == NULL) { |
| 266 | goto err; |
| 267 | } |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 268 | |
| 269 | if (!ret->x509_method->ssl_ctx_new(ret)) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 270 | goto err; |
| 271 | } |
| 272 | |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 273 | if (!SSL_CTX_set_strict_cipher_list(ret, SSL_DEFAULT_CIPHER_LIST)) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 274 | goto err2; |
| 275 | } |
| 276 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 277 | ret->client_CA = sk_CRYPTO_BUFFER_new_null(); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 278 | if (ret->client_CA == NULL) { |
| 279 | goto err; |
| 280 | } |
| 281 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 282 | CRYPTO_new_ex_data(&ret->ex_data); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 283 | |
| 284 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
| 285 | |
| 286 | /* Setup RFC4507 ticket keys */ |
| 287 | if (!RAND_bytes(ret->tlsext_tick_key_name, 16) || |
| 288 | !RAND_bytes(ret->tlsext_tick_hmac_key, 16) || |
| 289 | !RAND_bytes(ret->tlsext_tick_aes_key, 16)) { |
| 290 | ret->options |= SSL_OP_NO_TICKET; |
| 291 | } |
| 292 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 293 | /* Disable the auto-chaining feature by default. Once this has stuck without |
| 294 | * problems, the feature will be removed entirely. */ |
| 295 | ret->mode = SSL_MODE_NO_AUTO_CHAIN; |
| 296 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 297 | /* Lock the SSL_CTX to the specified version, for compatibility with legacy |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 298 | * uses of SSL_METHOD, but we do not set the minimum version for |
| 299 | * |SSLv3_method|. */ |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 300 | if (!SSL_CTX_set_max_proto_version(ret, method->version) || |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 301 | !SSL_CTX_set_min_proto_version(ret, method->version == SSL3_VERSION |
| 302 | ? 0 /* default */ |
| 303 | : method->version)) { |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 304 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
| 305 | goto err2; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | return ret; |
| 309 | |
| 310 | err: |
| 311 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
| 312 | err2: |
| 313 | SSL_CTX_free(ret); |
| 314 | return NULL; |
| 315 | } |
| 316 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 317 | int SSL_CTX_up_ref(SSL_CTX *ctx) { |
| 318 | CRYPTO_refcount_inc(&ctx->references); |
| 319 | return 1; |
| 320 | } |
| 321 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 322 | void SSL_CTX_free(SSL_CTX *ctx) { |
| 323 | if (ctx == NULL || |
| 324 | !CRYPTO_refcount_dec_and_test_zero(&ctx->references)) { |
| 325 | return; |
| 326 | } |
| 327 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 328 | /* Free internal session cache. However: the remove_cb() may reference the |
| 329 | * ex_data of SSL_CTX, thus the ex_data store can only be removed after the |
| 330 | * sessions were flushed. As the ex_data handling routines might also touch |
| 331 | * the session cache, the most secure solution seems to be: empty (flush) the |
| 332 | * cache, then free ex_data, then finally free the cache. (See ticket |
| 333 | * [openssl.org #212].) */ |
| 334 | SSL_CTX_flush_sessions(ctx, 0); |
| 335 | |
| 336 | CRYPTO_free_ex_data(&g_ex_data_class_ssl_ctx, ctx, &ctx->ex_data); |
| 337 | |
| 338 | CRYPTO_MUTEX_cleanup(&ctx->lock); |
| 339 | lh_SSL_SESSION_free(ctx->sessions); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 340 | ssl_cipher_preference_list_free(ctx->cipher_list); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 341 | ssl_cert_free(ctx->cert); |
| 342 | sk_SSL_CUSTOM_EXTENSION_pop_free(ctx->client_custom_extensions, |
| 343 | SSL_CUSTOM_EXTENSION_free); |
| 344 | sk_SSL_CUSTOM_EXTENSION_pop_free(ctx->server_custom_extensions, |
| 345 | SSL_CUSTOM_EXTENSION_free); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 346 | sk_CRYPTO_BUFFER_pop_free(ctx->client_CA, CRYPTO_BUFFER_free); |
| 347 | ctx->x509_method->ssl_ctx_free(ctx); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 348 | sk_SRTP_PROTECTION_PROFILE_free(ctx->srtp_profiles); |
| 349 | OPENSSL_free(ctx->psk_identity_hint); |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 350 | OPENSSL_free(ctx->supported_group_list); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 351 | OPENSSL_free(ctx->alpn_client_proto_list); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 352 | EVP_PKEY_free(ctx->tlsext_channel_id_private); |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 353 | OPENSSL_free(ctx->verify_sigalgs); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 354 | |
| 355 | OPENSSL_free(ctx); |
| 356 | } |
| 357 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 358 | SSL *SSL_new(SSL_CTX *ctx) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 359 | if (ctx == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 360 | OPENSSL_PUT_ERROR(SSL, SSL_R_NULL_SSL_CTX); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 361 | return NULL; |
| 362 | } |
| 363 | if (ctx->method == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 364 | 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] | 365 | return NULL; |
| 366 | } |
| 367 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 368 | SSL *ssl = OPENSSL_malloc(sizeof(SSL)); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 369 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 370 | goto err; |
| 371 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 372 | OPENSSL_memset(ssl, 0, sizeof(SSL)); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 373 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 374 | ssl->min_version = ctx->min_version; |
| 375 | ssl->max_version = ctx->max_version; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 376 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 377 | /* RFC 6347 states that implementations SHOULD use an initial timer value of |
| 378 | * 1 second. */ |
| 379 | ssl->initial_timeout_duration_ms = 1000; |
| 380 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 381 | ssl->options = ctx->options; |
| 382 | ssl->mode = ctx->mode; |
| 383 | ssl->max_cert_list = ctx->max_cert_list; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 384 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 385 | ssl->cert = ssl_cert_dup(ctx->cert); |
| 386 | if (ssl->cert == NULL) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 387 | goto err; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 388 | } |
| 389 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 390 | ssl->msg_callback = ctx->msg_callback; |
| 391 | ssl->msg_callback_arg = ctx->msg_callback_arg; |
| 392 | ssl->verify_mode = ctx->verify_mode; |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 393 | ssl->verify_callback = ctx->default_verify_callback; |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 394 | ssl->retain_only_sha256_of_client_certs = |
| 395 | ctx->retain_only_sha256_of_client_certs; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 396 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 397 | ssl->quiet_shutdown = ctx->quiet_shutdown; |
| 398 | ssl->max_send_fragment = ctx->max_send_fragment; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 399 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 400 | SSL_CTX_up_ref(ctx); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 401 | ssl->ctx = ctx; |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 402 | SSL_CTX_up_ref(ctx); |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 403 | ssl->session_ctx = ctx; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 404 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 405 | if (!ssl->ctx->x509_method->ssl_new(ssl)) { |
| 406 | goto err; |
| 407 | } |
| 408 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 409 | if (ctx->supported_group_list) { |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 410 | ssl->supported_group_list = BUF_memdup(ctx->supported_group_list, |
| 411 | ctx->supported_group_list_len * 2); |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 412 | if (!ssl->supported_group_list) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 413 | goto err; |
| 414 | } |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 415 | ssl->supported_group_list_len = ctx->supported_group_list_len; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 416 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 417 | |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 418 | if (ctx->alpn_client_proto_list) { |
| 419 | ssl->alpn_client_proto_list = BUF_memdup(ctx->alpn_client_proto_list, |
| 420 | ctx->alpn_client_proto_list_len); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 421 | if (ssl->alpn_client_proto_list == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 422 | goto err; |
| 423 | } |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 424 | ssl->alpn_client_proto_list_len = ctx->alpn_client_proto_list_len; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 425 | } |
| 426 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 427 | ssl->method = ctx->method; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 428 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 429 | if (!ssl->method->ssl_new(ssl)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 430 | goto err; |
| 431 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 432 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 433 | ssl->rwstate = SSL_NOTHING; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 434 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 435 | CRYPTO_new_ex_data(&ssl->ex_data); |
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->psk_identity_hint = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 438 | if (ctx->psk_identity_hint) { |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 439 | ssl->psk_identity_hint = BUF_strdup(ctx->psk_identity_hint); |
| 440 | if (ssl->psk_identity_hint == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 441 | goto err; |
| 442 | } |
| 443 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 444 | ssl->psk_client_callback = ctx->psk_client_callback; |
| 445 | ssl->psk_server_callback = ctx->psk_server_callback; |
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 | ssl->tlsext_channel_id_enabled = ctx->tlsext_channel_id_enabled; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 448 | if (ctx->tlsext_channel_id_private) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 449 | EVP_PKEY_up_ref(ctx->tlsext_channel_id_private); |
| 450 | ssl->tlsext_channel_id_private = ctx->tlsext_channel_id_private; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 451 | } |
| 452 | |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 453 | ssl->signed_cert_timestamps_enabled = ctx->signed_cert_timestamps_enabled; |
| 454 | ssl->ocsp_stapling_enabled = ctx->ocsp_stapling_enabled; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 455 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 456 | return ssl; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 457 | |
| 458 | err: |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 459 | SSL_free(ssl); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 460 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 461 | |
| 462 | return NULL; |
| 463 | } |
| 464 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 465 | void SSL_free(SSL *ssl) { |
| 466 | if (ssl == NULL) { |
| 467 | return; |
| 468 | } |
| 469 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 470 | ssl->ctx->x509_method->ssl_free(ssl); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 471 | CRYPTO_free_ex_data(&g_ex_data_class_ssl, ssl, &ssl->ex_data); |
| 472 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 473 | BIO_free_all(ssl->rbio); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 474 | BIO_free_all(ssl->wbio); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 475 | |
| 476 | BUF_MEM_free(ssl->init_buf); |
| 477 | |
| 478 | /* add extra stuff */ |
| 479 | ssl_cipher_preference_list_free(ssl->cipher_list); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 480 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 481 | SSL_SESSION_free(ssl->session); |
| 482 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 483 | ssl_cert_free(ssl->cert); |
| 484 | |
| 485 | OPENSSL_free(ssl->tlsext_hostname); |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 486 | SSL_CTX_free(ssl->session_ctx); |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 487 | OPENSSL_free(ssl->supported_group_list); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 488 | OPENSSL_free(ssl->alpn_client_proto_list); |
| 489 | EVP_PKEY_free(ssl->tlsext_channel_id_private); |
| 490 | OPENSSL_free(ssl->psk_identity_hint); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 491 | sk_CRYPTO_BUFFER_pop_free(ssl->client_CA, CRYPTO_BUFFER_free); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 492 | sk_SRTP_PROTECTION_PROFILE_free(ssl->srtp_profiles); |
| 493 | |
| 494 | if (ssl->method != NULL) { |
| 495 | ssl->method->ssl_free(ssl); |
| 496 | } |
| 497 | SSL_CTX_free(ssl->ctx); |
| 498 | |
| 499 | OPENSSL_free(ssl); |
| 500 | } |
| 501 | |
| 502 | void SSL_set_connect_state(SSL *ssl) { |
| 503 | ssl->server = 0; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 504 | ssl->handshake_func = ssl3_connect; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 505 | } |
| 506 | |
| 507 | void SSL_set_accept_state(SSL *ssl) { |
| 508 | ssl->server = 1; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 509 | ssl->handshake_func = ssl3_accept; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 510 | } |
| 511 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 512 | void SSL_set0_rbio(SSL *ssl, BIO *rbio) { |
| 513 | BIO_free_all(ssl->rbio); |
| 514 | ssl->rbio = rbio; |
| 515 | } |
| 516 | |
| 517 | void SSL_set0_wbio(SSL *ssl, BIO *wbio) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 518 | BIO_free_all(ssl->wbio); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 519 | ssl->wbio = wbio; |
| 520 | } |
| 521 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 522 | void SSL_set_bio(SSL *ssl, BIO *rbio, BIO *wbio) { |
| 523 | /* For historical reasons, this function has many different cases in ownership |
| 524 | * handling. */ |
| 525 | |
| 526 | /* If nothing has changed, do nothing */ |
| 527 | if (rbio == SSL_get_rbio(ssl) && wbio == SSL_get_wbio(ssl)) { |
| 528 | return; |
| 529 | } |
| 530 | |
| 531 | /* If the two arguments are equal, one fewer reference is granted than |
| 532 | * taken. */ |
| 533 | if (rbio != NULL && rbio == wbio) { |
| 534 | BIO_up_ref(rbio); |
| 535 | } |
| 536 | |
| 537 | /* If only the wbio is changed, adopt only one reference. */ |
| 538 | if (rbio == SSL_get_rbio(ssl)) { |
| 539 | SSL_set0_wbio(ssl, wbio); |
| 540 | return; |
| 541 | } |
| 542 | |
| 543 | /* There is an asymmetry here for historical reasons. If only the rbio is |
| 544 | * changed AND the rbio and wbio were originally different, then we only adopt |
| 545 | * one reference. */ |
| 546 | if (wbio == SSL_get_wbio(ssl) && SSL_get_rbio(ssl) != SSL_get_wbio(ssl)) { |
| 547 | SSL_set0_rbio(ssl, rbio); |
| 548 | return; |
| 549 | } |
| 550 | |
| 551 | /* Otherwise, adopt both references. */ |
| 552 | SSL_set0_rbio(ssl, rbio); |
| 553 | SSL_set0_wbio(ssl, wbio); |
| 554 | } |
| 555 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 556 | BIO *SSL_get_rbio(const SSL *ssl) { return ssl->rbio; } |
| 557 | |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 558 | BIO *SSL_get_wbio(const SSL *ssl) { return ssl->wbio; } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 559 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 560 | void ssl_reset_error_state(SSL *ssl) { |
| 561 | /* Functions which use |SSL_get_error| must reset I/O and error state on |
| 562 | * entry. */ |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 563 | ssl->rwstate = SSL_NOTHING; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 564 | ERR_clear_error(); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 565 | ERR_clear_system_error(); |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 566 | } |
| 567 | |
| 568 | int SSL_do_handshake(SSL *ssl) { |
| 569 | ssl_reset_error_state(ssl); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 570 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 571 | if (ssl->handshake_func == NULL) { |
| 572 | OPENSSL_PUT_ERROR(SSL, SSL_R_CONNECTION_TYPE_NOT_SET); |
| 573 | return -1; |
| 574 | } |
| 575 | |
| 576 | if (!SSL_in_init(ssl)) { |
| 577 | return 1; |
| 578 | } |
| 579 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 580 | if (ssl->s3->hs == NULL) { |
| 581 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
| 582 | return -1; |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 583 | } |
| 584 | |
| 585 | /* Run the handshake. */ |
| 586 | assert(ssl->s3->hs != NULL); |
| 587 | int ret = ssl->handshake_func(ssl->s3->hs); |
| 588 | if (ret <= 0) { |
| 589 | return ret; |
| 590 | } |
| 591 | |
| 592 | /* Destroy the handshake object if the handshake has completely finished. */ |
| 593 | if (!SSL_in_init(ssl)) { |
| 594 | ssl_handshake_free(ssl->s3->hs); |
| 595 | ssl->s3->hs = NULL; |
| 596 | } |
| 597 | |
| 598 | return 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 599 | } |
| 600 | |
| 601 | int SSL_connect(SSL *ssl) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 602 | if (ssl->handshake_func == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 603 | /* Not properly initialized yet */ |
| 604 | SSL_set_connect_state(ssl); |
| 605 | } |
| 606 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 607 | return SSL_do_handshake(ssl); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 608 | } |
| 609 | |
| 610 | int SSL_accept(SSL *ssl) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 611 | if (ssl->handshake_func == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 612 | /* Not properly initialized yet */ |
| 613 | SSL_set_accept_state(ssl); |
| 614 | } |
| 615 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 616 | return SSL_do_handshake(ssl); |
| 617 | } |
| 618 | |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 619 | int ssl_can_write(const SSL *ssl) { |
| 620 | return !SSL_in_init(ssl) || ssl->s3->hs->can_early_write; |
| 621 | } |
| 622 | |
| 623 | int ssl_can_read(const SSL *ssl) { |
| 624 | return !SSL_in_init(ssl) || ssl->s3->hs->can_early_read; |
| 625 | } |
| 626 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 627 | static int ssl_do_renegotiate(SSL *ssl) { |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 628 | /* We do not accept renegotiations as a server or SSL 3.0. SSL 3.0 will be |
| 629 | * removed entirely in the future and requires retaining more data for |
| 630 | * renegotiation_info. */ |
| 631 | if (ssl->server || ssl->version == SSL3_VERSION) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 632 | goto no_renegotiation; |
| 633 | } |
| 634 | |
| 635 | if (ssl->s3->tmp.message_type != SSL3_MT_HELLO_REQUEST || |
| 636 | ssl->init_num != 0) { |
| 637 | ssl3_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_DECODE_ERROR); |
| 638 | OPENSSL_PUT_ERROR(SSL, SSL_R_BAD_HELLO_REQUEST); |
| 639 | return 0; |
| 640 | } |
| 641 | |
| 642 | switch (ssl->renegotiate_mode) { |
| 643 | case ssl_renegotiate_ignore: |
| 644 | /* Ignore the HelloRequest. */ |
| 645 | return 1; |
| 646 | |
| 647 | case ssl_renegotiate_once: |
| 648 | if (ssl->s3->total_renegotiations != 0) { |
| 649 | goto no_renegotiation; |
| 650 | } |
| 651 | break; |
| 652 | |
| 653 | case ssl_renegotiate_never: |
| 654 | goto no_renegotiation; |
| 655 | |
| 656 | case ssl_renegotiate_freely: |
| 657 | break; |
| 658 | } |
| 659 | |
| 660 | /* Renegotiation is only supported at quiescent points in the application |
| 661 | * protocol, namely in HTTPS, just before reading the HTTP response. Require |
| 662 | * the record-layer be idle and avoid complexities of sending a handshake |
| 663 | * record while an application_data record is being written. */ |
| 664 | if (ssl_write_buffer_is_pending(ssl)) { |
| 665 | goto no_renegotiation; |
| 666 | } |
| 667 | |
| 668 | /* Begin a new handshake. */ |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 669 | if (ssl->s3->hs != NULL) { |
| 670 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
| 671 | return 0; |
| 672 | } |
| 673 | ssl->s3->hs = ssl_handshake_new(ssl); |
| 674 | if (ssl->s3->hs == NULL) { |
| 675 | return 0; |
| 676 | } |
| 677 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 678 | ssl->s3->total_renegotiations++; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 679 | return 1; |
| 680 | |
| 681 | no_renegotiation: |
| 682 | ssl3_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_NO_RENEGOTIATION); |
| 683 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_RENEGOTIATION); |
| 684 | return 0; |
| 685 | } |
| 686 | |
| 687 | static int ssl_do_post_handshake(SSL *ssl) { |
| 688 | if (ssl3_protocol_version(ssl) < TLS1_3_VERSION) { |
| 689 | return ssl_do_renegotiate(ssl); |
| 690 | } |
| 691 | |
| 692 | return tls13_post_handshake(ssl); |
| 693 | } |
| 694 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 695 | static int ssl_read_impl(SSL *ssl, void *buf, int num, int peek) { |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 696 | ssl_reset_error_state(ssl); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 697 | |
| 698 | if (ssl->handshake_func == NULL) { |
| 699 | OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 700 | return -1; |
| 701 | } |
| 702 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 703 | for (;;) { |
| 704 | /* Complete the current handshake, if any. False Start will cause |
| 705 | * |SSL_do_handshake| to return mid-handshake, so this may require multiple |
| 706 | * iterations. */ |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 707 | while (!ssl_can_read(ssl)) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 708 | int ret = SSL_do_handshake(ssl); |
| 709 | if (ret < 0) { |
| 710 | return ret; |
| 711 | } |
| 712 | if (ret == 0) { |
| 713 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_HANDSHAKE_FAILURE); |
| 714 | return -1; |
| 715 | } |
| 716 | } |
| 717 | |
| 718 | int got_handshake; |
| 719 | int ret = ssl->method->read_app_data(ssl, &got_handshake, buf, num, peek); |
| 720 | if (ret > 0 || !got_handshake) { |
David Benjamin | f0c4a6c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 721 | ssl->s3->key_update_count = 0; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 722 | return ret; |
| 723 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 724 | |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 725 | /* If we received an interrupt in early read (the end_of_early_data alert), |
| 726 | * loop again for the handshake to process it. */ |
| 727 | if (SSL_in_init(ssl)) { |
| 728 | continue; |
| 729 | } |
| 730 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 731 | /* Handle the post-handshake message and try again. */ |
| 732 | if (!ssl_do_post_handshake(ssl)) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 733 | return -1; |
| 734 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 735 | ssl->method->release_current_message(ssl, 1 /* free buffer */); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 736 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 737 | } |
| 738 | |
| 739 | int SSL_read(SSL *ssl, void *buf, int num) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 740 | return ssl_read_impl(ssl, buf, num, 0 /* consume bytes */); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 741 | } |
| 742 | |
| 743 | int SSL_peek(SSL *ssl, void *buf, int num) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 744 | return ssl_read_impl(ssl, buf, num, 1 /* peek */); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 745 | } |
| 746 | |
| 747 | int SSL_write(SSL *ssl, const void *buf, int num) { |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 748 | ssl_reset_error_state(ssl); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 749 | |
| 750 | if (ssl->handshake_func == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 751 | OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED); |
| 752 | return -1; |
| 753 | } |
| 754 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 755 | if (ssl->s3->send_shutdown != ssl_shutdown_none) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 756 | OPENSSL_PUT_ERROR(SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
| 757 | return -1; |
| 758 | } |
| 759 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 760 | /* If necessary, complete the handshake implicitly. */ |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 761 | if (!ssl_can_write(ssl)) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 762 | int ret = SSL_do_handshake(ssl); |
| 763 | if (ret < 0) { |
| 764 | return ret; |
| 765 | } |
| 766 | if (ret == 0) { |
| 767 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_HANDSHAKE_FAILURE); |
| 768 | return -1; |
| 769 | } |
| 770 | } |
| 771 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 772 | return ssl->method->write_app_data(ssl, buf, num); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 773 | } |
| 774 | |
| 775 | int SSL_shutdown(SSL *ssl) { |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 776 | ssl_reset_error_state(ssl); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 777 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 778 | if (ssl->handshake_func == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 779 | OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED); |
| 780 | return -1; |
| 781 | } |
| 782 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 783 | /* If we are in the middle of a handshake, silently succeed. Consumers often |
| 784 | * call this function before |SSL_free|, whether the handshake succeeded or |
| 785 | * not. We assume the caller has already handled failed handshakes. */ |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 786 | if (SSL_in_init(ssl)) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 787 | return 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 788 | } |
| 789 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 790 | if (ssl->quiet_shutdown) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 791 | /* Do nothing if configured not to send a close_notify. */ |
| 792 | ssl->s3->send_shutdown = ssl_shutdown_close_notify; |
| 793 | ssl->s3->recv_shutdown = ssl_shutdown_close_notify; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 794 | return 1; |
| 795 | } |
| 796 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 797 | /* This function completes in two stages. It sends a close_notify and then it |
| 798 | * waits for a close_notify to come in. Perform exactly one action and return |
| 799 | * whether or not it succeeds. */ |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 800 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 801 | if (ssl->s3->send_shutdown != ssl_shutdown_close_notify) { |
| 802 | /* Send a close_notify. */ |
| 803 | if (ssl3_send_alert(ssl, SSL3_AL_WARNING, SSL_AD_CLOSE_NOTIFY) <= 0) { |
| 804 | return -1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 805 | } |
| 806 | } else if (ssl->s3->alert_dispatch) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 807 | /* Finish sending the close_notify. */ |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 808 | if (ssl->method->dispatch_alert(ssl) <= 0) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 809 | return -1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 810 | } |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 811 | } else if (ssl->s3->recv_shutdown != ssl_shutdown_close_notify) { |
| 812 | /* Wait for the peer's close_notify. */ |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 813 | ssl->method->read_close_notify(ssl); |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 814 | if (ssl->s3->recv_shutdown != ssl_shutdown_close_notify) { |
| 815 | return -1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 816 | } |
| 817 | } |
| 818 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 819 | /* Return 0 for unidirectional shutdown and 1 for bidirectional shutdown. */ |
| 820 | return ssl->s3->recv_shutdown == ssl_shutdown_close_notify; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 821 | } |
| 822 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 823 | int SSL_send_fatal_alert(SSL *ssl, uint8_t alert) { |
| 824 | if (ssl->s3->alert_dispatch) { |
| 825 | if (ssl->s3->send_alert[0] != SSL3_AL_FATAL || |
| 826 | ssl->s3->send_alert[1] != alert) { |
| 827 | /* We are already attempting to write a different alert. */ |
| 828 | OPENSSL_PUT_ERROR(SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
| 829 | return -1; |
| 830 | } |
| 831 | return ssl->method->dispatch_alert(ssl); |
| 832 | } |
| 833 | |
| 834 | return ssl3_send_alert(ssl, SSL3_AL_FATAL, alert); |
| 835 | } |
| 836 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 837 | void SSL_CTX_set_early_data_enabled(SSL_CTX *ctx, int enabled) { |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 838 | ctx->cert->enable_early_data = !!enabled; |
| 839 | } |
| 840 | |
| 841 | void SSL_set_early_data_enabled(SSL *ssl, int enabled) { |
| 842 | ssl->cert->enable_early_data = !!enabled; |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 843 | } |
| 844 | |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 845 | int SSL_early_data_accepted(const SSL *ssl) { |
| 846 | return ssl->early_data_accepted; |
| 847 | } |
| 848 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 849 | static int bio_retry_reason_to_error(int reason) { |
| 850 | switch (reason) { |
| 851 | case BIO_RR_CONNECT: |
| 852 | return SSL_ERROR_WANT_CONNECT; |
| 853 | case BIO_RR_ACCEPT: |
| 854 | return SSL_ERROR_WANT_ACCEPT; |
| 855 | default: |
| 856 | return SSL_ERROR_SYSCALL; |
| 857 | } |
| 858 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 859 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 860 | int SSL_get_error(const SSL *ssl, int ret_code) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 861 | if (ret_code > 0) { |
| 862 | return SSL_ERROR_NONE; |
| 863 | } |
| 864 | |
| 865 | /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc, |
| 866 | * where we do encode the error */ |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 867 | uint32_t err = ERR_peek_error(); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 868 | if (err != 0) { |
| 869 | if (ERR_GET_LIB(err) == ERR_LIB_SYS) { |
| 870 | return SSL_ERROR_SYSCALL; |
| 871 | } |
| 872 | return SSL_ERROR_SSL; |
| 873 | } |
| 874 | |
| 875 | if (ret_code == 0) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 876 | if (ssl->s3->recv_shutdown == ssl_shutdown_close_notify) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 877 | return SSL_ERROR_ZERO_RETURN; |
| 878 | } |
| 879 | /* An EOF was observed which violates the protocol, and the underlying |
| 880 | * transport does not participate in the error queue. Bubble up to the |
| 881 | * caller. */ |
| 882 | return SSL_ERROR_SYSCALL; |
| 883 | } |
| 884 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 885 | switch (ssl->rwstate) { |
| 886 | case SSL_PENDING_SESSION: |
| 887 | return SSL_ERROR_PENDING_SESSION; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 888 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 889 | case SSL_CERTIFICATE_SELECTION_PENDING: |
| 890 | return SSL_ERROR_PENDING_CERTIFICATE; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 891 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 892 | case SSL_READING: { |
| 893 | BIO *bio = SSL_get_rbio(ssl); |
| 894 | if (BIO_should_read(bio)) { |
| 895 | return SSL_ERROR_WANT_READ; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 896 | } |
| 897 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 898 | if (BIO_should_write(bio)) { |
| 899 | /* TODO(davidben): OpenSSL historically checked for writes on the read |
| 900 | * BIO. Can this be removed? */ |
| 901 | return SSL_ERROR_WANT_WRITE; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 902 | } |
| 903 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 904 | if (BIO_should_io_special(bio)) { |
| 905 | return bio_retry_reason_to_error(BIO_get_retry_reason(bio)); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 906 | } |
| 907 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 908 | break; |
| 909 | } |
| 910 | |
| 911 | case SSL_WRITING: { |
| 912 | BIO *bio = SSL_get_wbio(ssl); |
| 913 | if (BIO_should_write(bio)) { |
| 914 | return SSL_ERROR_WANT_WRITE; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 915 | } |
| 916 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 917 | if (BIO_should_read(bio)) { |
| 918 | /* TODO(davidben): OpenSSL historically checked for reads on the write |
| 919 | * BIO. Can this be removed? */ |
| 920 | return SSL_ERROR_WANT_READ; |
| 921 | } |
| 922 | |
| 923 | if (BIO_should_io_special(bio)) { |
| 924 | return bio_retry_reason_to_error(BIO_get_retry_reason(bio)); |
| 925 | } |
| 926 | |
| 927 | break; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 928 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 929 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 930 | case SSL_X509_LOOKUP: |
| 931 | return SSL_ERROR_WANT_X509_LOOKUP; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 932 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 933 | case SSL_CHANNEL_ID_LOOKUP: |
| 934 | return SSL_ERROR_WANT_CHANNEL_ID_LOOKUP; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 935 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 936 | case SSL_PRIVATE_KEY_OPERATION: |
| 937 | return SSL_ERROR_WANT_PRIVATE_KEY_OPERATION; |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 938 | |
| 939 | case SSL_PENDING_TICKET: |
| 940 | return SSL_ERROR_PENDING_TICKET; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 941 | } |
| 942 | |
| 943 | return SSL_ERROR_SYSCALL; |
| 944 | } |
| 945 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 946 | static int set_min_version(const SSL_PROTOCOL_METHOD *method, uint16_t *out, |
| 947 | uint16_t version) { |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 948 | /* Zero is interpreted as the default minimum version. */ |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 949 | if (version == 0) { |
| 950 | *out = method->min_version; |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 951 | /* SSL 3.0 is disabled unless explicitly enabled. */ |
| 952 | if (*out < TLS1_VERSION) { |
| 953 | *out = TLS1_VERSION; |
| 954 | } |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 955 | return 1; |
| 956 | } |
| 957 | |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 958 | if (version == TLS1_3_VERSION) { |
| 959 | version = TLS1_3_DRAFT_VERSION; |
| 960 | } |
| 961 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 962 | return method->version_from_wire(out, version); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 963 | } |
| 964 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 965 | static int set_max_version(const SSL_PROTOCOL_METHOD *method, uint16_t *out, |
| 966 | uint16_t version) { |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 967 | /* Zero is interpreted as the default maximum version. */ |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 968 | if (version == 0) { |
| 969 | *out = method->max_version; |
| 970 | /* TODO(svaldez): Enable TLS 1.3 by default once fully implemented. */ |
| 971 | if (*out > TLS1_2_VERSION) { |
| 972 | *out = TLS1_2_VERSION; |
| 973 | } |
| 974 | return 1; |
| 975 | } |
| 976 | |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 977 | if (version == TLS1_3_VERSION) { |
| 978 | version = TLS1_3_DRAFT_VERSION; |
| 979 | } |
| 980 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 981 | return method->version_from_wire(out, version); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 982 | } |
| 983 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 984 | int SSL_CTX_set_min_proto_version(SSL_CTX *ctx, uint16_t version) { |
| 985 | return set_min_version(ctx->method, &ctx->min_version, version); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 986 | } |
| 987 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 988 | int SSL_CTX_set_max_proto_version(SSL_CTX *ctx, uint16_t version) { |
| 989 | return set_max_version(ctx->method, &ctx->max_version, version); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 990 | } |
| 991 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 992 | int SSL_set_min_proto_version(SSL *ssl, uint16_t version) { |
| 993 | return set_min_version(ssl->method, &ssl->min_version, version); |
| 994 | } |
| 995 | |
| 996 | int SSL_set_max_proto_version(SSL *ssl, uint16_t version) { |
| 997 | return set_max_version(ssl->method, &ssl->max_version, version); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 998 | } |
| 999 | |
| 1000 | uint32_t SSL_CTX_set_options(SSL_CTX *ctx, uint32_t options) { |
| 1001 | ctx->options |= options; |
| 1002 | return ctx->options; |
| 1003 | } |
| 1004 | |
| 1005 | uint32_t SSL_CTX_clear_options(SSL_CTX *ctx, uint32_t options) { |
| 1006 | ctx->options &= ~options; |
| 1007 | return ctx->options; |
| 1008 | } |
| 1009 | |
| 1010 | uint32_t SSL_CTX_get_options(const SSL_CTX *ctx) { return ctx->options; } |
| 1011 | |
| 1012 | uint32_t SSL_set_options(SSL *ssl, uint32_t options) { |
| 1013 | ssl->options |= options; |
| 1014 | return ssl->options; |
| 1015 | } |
| 1016 | |
| 1017 | uint32_t SSL_clear_options(SSL *ssl, uint32_t options) { |
| 1018 | ssl->options &= ~options; |
| 1019 | return ssl->options; |
| 1020 | } |
| 1021 | |
| 1022 | uint32_t SSL_get_options(const SSL *ssl) { return ssl->options; } |
| 1023 | |
| 1024 | uint32_t SSL_CTX_set_mode(SSL_CTX *ctx, uint32_t mode) { |
| 1025 | ctx->mode |= mode; |
| 1026 | return ctx->mode; |
| 1027 | } |
| 1028 | |
| 1029 | uint32_t SSL_CTX_clear_mode(SSL_CTX *ctx, uint32_t mode) { |
| 1030 | ctx->mode &= ~mode; |
| 1031 | return ctx->mode; |
| 1032 | } |
| 1033 | |
| 1034 | uint32_t SSL_CTX_get_mode(const SSL_CTX *ctx) { return ctx->mode; } |
| 1035 | |
| 1036 | uint32_t SSL_set_mode(SSL *ssl, uint32_t mode) { |
| 1037 | ssl->mode |= mode; |
| 1038 | return ssl->mode; |
| 1039 | } |
| 1040 | |
| 1041 | uint32_t SSL_clear_mode(SSL *ssl, uint32_t mode) { |
| 1042 | ssl->mode &= ~mode; |
| 1043 | return ssl->mode; |
| 1044 | } |
| 1045 | |
| 1046 | uint32_t SSL_get_mode(const SSL *ssl) { return ssl->mode; } |
| 1047 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1048 | void SSL_CTX_set0_buffer_pool(SSL_CTX *ctx, CRYPTO_BUFFER_POOL *pool) { |
| 1049 | ctx->pool = pool; |
| 1050 | } |
| 1051 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1052 | int SSL_get_tls_unique(const SSL *ssl, uint8_t *out, size_t *out_len, |
| 1053 | size_t max_out) { |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1054 | /* tls-unique is not defined for SSL 3.0 or TLS 1.3. */ |
| 1055 | if (!ssl->s3->initial_handshake_complete || |
| 1056 | ssl3_protocol_version(ssl) < TLS1_VERSION || |
| 1057 | ssl3_protocol_version(ssl) >= TLS1_3_VERSION) { |
| 1058 | goto err; |
| 1059 | } |
| 1060 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1061 | /* The tls-unique value is the first Finished message in the handshake, which |
| 1062 | * is the client's in a full handshake and the server's for a resumption. See |
| 1063 | * https://tools.ietf.org/html/rfc5929#section-3.1. */ |
| 1064 | const uint8_t *finished = ssl->s3->previous_client_finished; |
| 1065 | size_t finished_len = ssl->s3->previous_client_finished_len; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1066 | if (ssl->session != NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1067 | /* tls-unique is broken for resumed sessions unless EMS is used. */ |
| 1068 | if (!ssl->session->extended_master_secret) { |
| 1069 | goto err; |
| 1070 | } |
| 1071 | finished = ssl->s3->previous_server_finished; |
| 1072 | finished_len = ssl->s3->previous_server_finished_len; |
| 1073 | } |
| 1074 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1075 | *out_len = finished_len; |
| 1076 | if (finished_len > max_out) { |
| 1077 | *out_len = max_out; |
| 1078 | } |
| 1079 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1080 | OPENSSL_memcpy(out, finished, *out_len); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1081 | return 1; |
| 1082 | |
| 1083 | err: |
| 1084 | *out_len = 0; |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1085 | OPENSSL_memset(out, 0, max_out); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1086 | return 0; |
| 1087 | } |
| 1088 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1089 | static int set_session_id_context(CERT *cert, const uint8_t *sid_ctx, |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 1090 | size_t sid_ctx_len) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1091 | if (sid_ctx_len > sizeof(cert->sid_ctx)) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1092 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1093 | return 0; |
| 1094 | } |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 1095 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1096 | OPENSSL_COMPILE_ASSERT(sizeof(cert->sid_ctx) < 256, sid_ctx_too_large); |
| 1097 | cert->sid_ctx_length = (uint8_t)sid_ctx_len; |
| 1098 | OPENSSL_memcpy(cert->sid_ctx, sid_ctx, sid_ctx_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1099 | return 1; |
| 1100 | } |
| 1101 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1102 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const uint8_t *sid_ctx, |
| 1103 | size_t sid_ctx_len) { |
| 1104 | return set_session_id_context(ctx->cert, sid_ctx, sid_ctx_len); |
| 1105 | } |
| 1106 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1107 | int SSL_set_session_id_context(SSL *ssl, const uint8_t *sid_ctx, |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 1108 | size_t sid_ctx_len) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1109 | return set_session_id_context(ssl->cert, sid_ctx, sid_ctx_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1110 | } |
| 1111 | |
David Benjamin | f31229b | 2017-01-25 14:08:15 -0500 | [diff] [blame] | 1112 | const uint8_t *SSL_get0_session_id_context(const SSL *ssl, size_t *out_len) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1113 | *out_len = ssl->cert->sid_ctx_length; |
| 1114 | return ssl->cert->sid_ctx; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1115 | } |
| 1116 | |
| 1117 | void ssl_cipher_preference_list_free( |
| 1118 | struct ssl_cipher_preference_list_st *cipher_list) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1119 | if (cipher_list == NULL) { |
| 1120 | return; |
| 1121 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1122 | sk_SSL_CIPHER_free(cipher_list->ciphers); |
| 1123 | OPENSSL_free(cipher_list->in_group_flags); |
| 1124 | OPENSSL_free(cipher_list); |
| 1125 | } |
| 1126 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1127 | void SSL_certs_clear(SSL *ssl) { ssl_cert_clear_certs(ssl->cert); } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1128 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1129 | int SSL_get_fd(const SSL *ssl) { return SSL_get_rfd(ssl); } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1130 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1131 | int SSL_get_rfd(const SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1132 | int ret = -1; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1133 | BIO *b = BIO_find_type(SSL_get_rbio(ssl), BIO_TYPE_DESCRIPTOR); |
| 1134 | if (b != NULL) { |
| 1135 | BIO_get_fd(b, &ret); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1136 | } |
| 1137 | return ret; |
| 1138 | } |
| 1139 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1140 | int SSL_get_wfd(const SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1141 | int ret = -1; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1142 | BIO *b = BIO_find_type(SSL_get_wbio(ssl), BIO_TYPE_DESCRIPTOR); |
| 1143 | if (b != NULL) { |
| 1144 | BIO_get_fd(b, &ret); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1145 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1146 | return ret; |
| 1147 | } |
| 1148 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1149 | int SSL_set_fd(SSL *ssl, int fd) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1150 | BIO *bio = BIO_new(BIO_s_socket()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1151 | if (bio == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1152 | OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1153 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1154 | } |
| 1155 | BIO_set_fd(bio, fd, BIO_NOCLOSE); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1156 | SSL_set_bio(ssl, bio, bio); |
| 1157 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1158 | } |
| 1159 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1160 | int SSL_set_wfd(SSL *ssl, int fd) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1161 | BIO *rbio = SSL_get_rbio(ssl); |
| 1162 | if (rbio == NULL || BIO_method_type(rbio) != BIO_TYPE_SOCKET || |
| 1163 | BIO_get_fd(rbio, NULL) != fd) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1164 | BIO *bio = BIO_new(BIO_s_socket()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1165 | if (bio == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1166 | OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1167 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1168 | } |
| 1169 | BIO_set_fd(bio, fd, BIO_NOCLOSE); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1170 | SSL_set0_wbio(ssl, bio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1171 | } else { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1172 | /* Copy the rbio over to the wbio. */ |
| 1173 | BIO_up_ref(rbio); |
| 1174 | SSL_set0_wbio(ssl, rbio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1175 | } |
| 1176 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1177 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1178 | } |
| 1179 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1180 | int SSL_set_rfd(SSL *ssl, int fd) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1181 | BIO *wbio = SSL_get_wbio(ssl); |
| 1182 | if (wbio == NULL || BIO_method_type(wbio) != BIO_TYPE_SOCKET || |
| 1183 | BIO_get_fd(wbio, NULL) != fd) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1184 | BIO *bio = BIO_new(BIO_s_socket()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1185 | if (bio == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1186 | OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1187 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1188 | } |
| 1189 | BIO_set_fd(bio, fd, BIO_NOCLOSE); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1190 | SSL_set0_rbio(ssl, bio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1191 | } else { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1192 | /* Copy the wbio over to the rbio. */ |
| 1193 | BIO_up_ref(wbio); |
| 1194 | SSL_set0_rbio(ssl, wbio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1195 | } |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1196 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1197 | } |
| 1198 | |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1199 | static size_t copy_finished(void *out, size_t out_len, const uint8_t *in, |
| 1200 | size_t in_len) { |
| 1201 | if (out_len > in_len) { |
| 1202 | out_len = in_len; |
| 1203 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1204 | OPENSSL_memcpy(out, in, out_len); |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1205 | return in_len; |
| 1206 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1207 | |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1208 | size_t SSL_get_finished(const SSL *ssl, void *buf, size_t count) { |
| 1209 | if (!ssl->s3->initial_handshake_complete || |
| 1210 | ssl3_protocol_version(ssl) < TLS1_VERSION || |
| 1211 | ssl3_protocol_version(ssl) >= TLS1_3_VERSION) { |
| 1212 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1213 | } |
| 1214 | |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1215 | if (ssl->server) { |
| 1216 | return copy_finished(buf, count, ssl->s3->previous_server_finished, |
| 1217 | ssl->s3->previous_server_finished_len); |
| 1218 | } |
| 1219 | |
| 1220 | return copy_finished(buf, count, ssl->s3->previous_client_finished, |
| 1221 | ssl->s3->previous_client_finished_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1222 | } |
| 1223 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1224 | size_t SSL_get_peer_finished(const SSL *ssl, void *buf, size_t count) { |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1225 | if (!ssl->s3->initial_handshake_complete || |
| 1226 | ssl3_protocol_version(ssl) < TLS1_VERSION || |
| 1227 | ssl3_protocol_version(ssl) >= TLS1_3_VERSION) { |
| 1228 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1229 | } |
| 1230 | |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1231 | if (ssl->server) { |
| 1232 | return copy_finished(buf, count, ssl->s3->previous_client_finished, |
| 1233 | ssl->s3->previous_client_finished_len); |
| 1234 | } |
| 1235 | |
| 1236 | return copy_finished(buf, count, ssl->s3->previous_server_finished, |
| 1237 | ssl->s3->previous_server_finished_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1238 | } |
| 1239 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1240 | int SSL_get_verify_mode(const SSL *ssl) { return ssl->verify_mode; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1241 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1242 | int SSL_get_extms_support(const SSL *ssl) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1243 | /* TLS 1.3 does not require extended master secret and always reports as |
| 1244 | * supporting it. */ |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1245 | if (!ssl->s3->have_version) { |
| 1246 | return 0; |
| 1247 | } |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1248 | if (ssl3_protocol_version(ssl) >= TLS1_3_VERSION) { |
| 1249 | return 1; |
| 1250 | } |
| 1251 | |
| 1252 | /* If the initial handshake completed, query the established session. */ |
| 1253 | if (ssl->s3->established_session != NULL) { |
| 1254 | return ssl->s3->established_session->extended_master_secret; |
| 1255 | } |
| 1256 | |
| 1257 | /* Otherwise, query the in-progress handshake. */ |
| 1258 | if (ssl->s3->hs != NULL) { |
| 1259 | return ssl->s3->hs->extended_master_secret; |
| 1260 | } |
| 1261 | assert(0); |
| 1262 | return 0; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1263 | } |
| 1264 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1265 | int SSL_CTX_get_read_ahead(const SSL_CTX *ctx) { return 0; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1266 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 1267 | int SSL_get_read_ahead(const SSL *ssl) { return 0; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1268 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1269 | void SSL_CTX_set_read_ahead(SSL_CTX *ctx, int yes) { } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1270 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 1271 | void SSL_set_read_ahead(SSL *ssl, int yes) { } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1272 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1273 | int SSL_pending(const SSL *ssl) { |
| 1274 | if (ssl->s3->rrec.type != SSL3_RT_APPLICATION_DATA) { |
| 1275 | return 0; |
| 1276 | } |
| 1277 | return ssl->s3->rrec.length; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1278 | } |
| 1279 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1280 | /* Fix this so it checks all the valid key/cert options */ |
| 1281 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) { |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 1282 | return ssl_cert_check_private_key(ctx->cert, ctx->cert->privatekey); |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 1283 | } |
| 1284 | |
| 1285 | /* Fix this function so that it takes an optional type parameter */ |
| 1286 | int SSL_check_private_key(const SSL *ssl) { |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 1287 | return ssl_cert_check_private_key(ssl->cert, ssl->cert->privatekey); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1288 | } |
| 1289 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1290 | long SSL_get_default_timeout(const SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1291 | return SSL_DEFAULT_SESSION_TIMEOUT; |
| 1292 | } |
| 1293 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1294 | int SSL_renegotiate(SSL *ssl) { |
| 1295 | /* Caller-initiated renegotiation is not supported. */ |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1296 | OPENSSL_PUT_ERROR(SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1297 | return 0; |
| 1298 | } |
| 1299 | |
| 1300 | int SSL_renegotiate_pending(SSL *ssl) { |
| 1301 | return SSL_in_init(ssl) && ssl->s3->initial_handshake_complete; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1302 | } |
| 1303 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1304 | int SSL_total_renegotiations(const SSL *ssl) { |
| 1305 | return ssl->s3->total_renegotiations; |
| 1306 | } |
| 1307 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1308 | size_t SSL_CTX_get_max_cert_list(const SSL_CTX *ctx) { |
| 1309 | return ctx->max_cert_list; |
| 1310 | } |
| 1311 | |
| 1312 | void SSL_CTX_set_max_cert_list(SSL_CTX *ctx, size_t max_cert_list) { |
| 1313 | if (max_cert_list > kMaxHandshakeSize) { |
| 1314 | max_cert_list = kMaxHandshakeSize; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1315 | } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1316 | ctx->max_cert_list = (uint32_t)max_cert_list; |
| 1317 | } |
| 1318 | |
| 1319 | size_t SSL_get_max_cert_list(const SSL *ssl) { |
| 1320 | return ssl->max_cert_list; |
| 1321 | } |
| 1322 | |
| 1323 | void SSL_set_max_cert_list(SSL *ssl, size_t max_cert_list) { |
| 1324 | if (max_cert_list > kMaxHandshakeSize) { |
| 1325 | max_cert_list = kMaxHandshakeSize; |
| 1326 | } |
| 1327 | ssl->max_cert_list = (uint32_t)max_cert_list; |
| 1328 | } |
| 1329 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1330 | int SSL_CTX_set_max_send_fragment(SSL_CTX *ctx, size_t max_send_fragment) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1331 | if (max_send_fragment < 512) { |
| 1332 | max_send_fragment = 512; |
| 1333 | } |
| 1334 | if (max_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) { |
| 1335 | max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
| 1336 | } |
| 1337 | ctx->max_send_fragment = (uint16_t)max_send_fragment; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1338 | |
| 1339 | return 1; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1340 | } |
| 1341 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1342 | int SSL_set_max_send_fragment(SSL *ssl, size_t max_send_fragment) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1343 | if (max_send_fragment < 512) { |
| 1344 | max_send_fragment = 512; |
| 1345 | } |
| 1346 | if (max_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) { |
| 1347 | max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
| 1348 | } |
| 1349 | ssl->max_send_fragment = (uint16_t)max_send_fragment; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1350 | |
| 1351 | return 1; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1352 | } |
| 1353 | |
| 1354 | int SSL_set_mtu(SSL *ssl, unsigned mtu) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1355 | if (!SSL_is_dtls(ssl) || mtu < dtls1_min_mtu()) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1356 | return 0; |
| 1357 | } |
| 1358 | ssl->d1->mtu = mtu; |
| 1359 | return 1; |
| 1360 | } |
| 1361 | |
| 1362 | int SSL_get_secure_renegotiation_support(const SSL *ssl) { |
Steven Valdez | b0b45c6 | 2017-01-17 16:23:54 -0500 | [diff] [blame] | 1363 | if (!ssl->s3->have_version) { |
| 1364 | return 0; |
| 1365 | } |
| 1366 | return ssl3_protocol_version(ssl) >= TLS1_3_VERSION || |
| 1367 | ssl->s3->send_connection_binding; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1368 | } |
| 1369 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1370 | LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) { return ctx->sessions; } |
| 1371 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1372 | size_t SSL_CTX_sess_number(const SSL_CTX *ctx) { |
| 1373 | return lh_SSL_SESSION_num_items(ctx->sessions); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1374 | } |
| 1375 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1376 | unsigned long SSL_CTX_sess_set_cache_size(SSL_CTX *ctx, unsigned long size) { |
| 1377 | unsigned long ret = ctx->session_cache_size; |
| 1378 | ctx->session_cache_size = size; |
| 1379 | return ret; |
| 1380 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1381 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1382 | unsigned long SSL_CTX_sess_get_cache_size(const SSL_CTX *ctx) { |
| 1383 | return ctx->session_cache_size; |
| 1384 | } |
| 1385 | |
| 1386 | int SSL_CTX_set_session_cache_mode(SSL_CTX *ctx, int mode) { |
| 1387 | int ret = ctx->session_cache_mode; |
| 1388 | ctx->session_cache_mode = mode; |
| 1389 | return ret; |
| 1390 | } |
| 1391 | |
| 1392 | int SSL_CTX_get_session_cache_mode(const SSL_CTX *ctx) { |
| 1393 | return ctx->session_cache_mode; |
| 1394 | } |
| 1395 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1396 | |
| 1397 | int SSL_CTX_get_tlsext_ticket_keys(SSL_CTX *ctx, void *out, size_t len) { |
| 1398 | if (out == NULL) { |
| 1399 | return 48; |
| 1400 | } |
| 1401 | if (len != 48) { |
| 1402 | OPENSSL_PUT_ERROR(SSL, SSL_R_INVALID_TICKET_KEYS_LENGTH); |
| 1403 | return 0; |
| 1404 | } |
| 1405 | uint8_t *out_bytes = out; |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1406 | OPENSSL_memcpy(out_bytes, ctx->tlsext_tick_key_name, 16); |
| 1407 | OPENSSL_memcpy(out_bytes + 16, ctx->tlsext_tick_hmac_key, 16); |
| 1408 | OPENSSL_memcpy(out_bytes + 32, ctx->tlsext_tick_aes_key, 16); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1409 | return 1; |
| 1410 | } |
| 1411 | |
| 1412 | int SSL_CTX_set_tlsext_ticket_keys(SSL_CTX *ctx, const void *in, size_t len) { |
| 1413 | if (in == NULL) { |
| 1414 | return 48; |
| 1415 | } |
| 1416 | if (len != 48) { |
| 1417 | OPENSSL_PUT_ERROR(SSL, SSL_R_INVALID_TICKET_KEYS_LENGTH); |
| 1418 | return 0; |
| 1419 | } |
| 1420 | const uint8_t *in_bytes = in; |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1421 | OPENSSL_memcpy(ctx->tlsext_tick_key_name, in_bytes, 16); |
| 1422 | OPENSSL_memcpy(ctx->tlsext_tick_hmac_key, in_bytes + 16, 16); |
| 1423 | OPENSSL_memcpy(ctx->tlsext_tick_aes_key, in_bytes + 32, 16); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1424 | return 1; |
| 1425 | } |
| 1426 | |
| 1427 | int SSL_CTX_set_tlsext_ticket_key_cb( |
| 1428 | SSL_CTX *ctx, int (*callback)(SSL *ssl, uint8_t *key_name, uint8_t *iv, |
| 1429 | EVP_CIPHER_CTX *ctx, HMAC_CTX *hmac_ctx, |
| 1430 | int encrypt)) { |
| 1431 | ctx->tlsext_ticket_key_cb = callback; |
| 1432 | return 1; |
| 1433 | } |
| 1434 | |
| 1435 | int SSL_CTX_set1_curves(SSL_CTX *ctx, const int *curves, size_t curves_len) { |
| 1436 | return tls1_set_curves(&ctx->supported_group_list, |
| 1437 | &ctx->supported_group_list_len, curves, |
| 1438 | curves_len); |
| 1439 | } |
| 1440 | |
| 1441 | int SSL_set1_curves(SSL *ssl, const int *curves, size_t curves_len) { |
| 1442 | return tls1_set_curves(&ssl->supported_group_list, |
| 1443 | &ssl->supported_group_list_len, curves, |
| 1444 | curves_len); |
| 1445 | } |
| 1446 | |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 1447 | int SSL_CTX_set1_curves_list(SSL_CTX *ctx, const char *curves) { |
| 1448 | return tls1_set_curves_list(&ctx->supported_group_list, |
| 1449 | &ctx->supported_group_list_len, curves); |
| 1450 | } |
| 1451 | |
| 1452 | int SSL_set1_curves_list(SSL *ssl, const char *curves) { |
| 1453 | return tls1_set_curves_list(&ssl->supported_group_list, |
| 1454 | &ssl->supported_group_list_len, curves); |
| 1455 | } |
| 1456 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1457 | uint16_t SSL_get_curve_id(const SSL *ssl) { |
| 1458 | /* TODO(davidben): This checks the wrong session if there is a renegotiation in |
| 1459 | * progress. */ |
| 1460 | SSL_SESSION *session = SSL_get_session(ssl); |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1461 | if (session == NULL) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1462 | return 0; |
| 1463 | } |
| 1464 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1465 | return session->group_id; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1466 | } |
| 1467 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1468 | int SSL_CTX_set_tmp_dh(SSL_CTX *ctx, const DH *dh) { |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1469 | return 1; |
| 1470 | } |
| 1471 | |
| 1472 | int SSL_set_tmp_dh(SSL *ssl, const DH *dh) { |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1473 | return 1; |
| 1474 | } |
| 1475 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1476 | OPENSSL_EXPORT STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx) { |
| 1477 | return ctx->cipher_list->ciphers; |
| 1478 | } |
| 1479 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1480 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *ssl) { |
| 1481 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1482 | return NULL; |
| 1483 | } |
| 1484 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 1485 | const struct ssl_cipher_preference_list_st *prefs = |
| 1486 | ssl_get_cipher_preferences(ssl); |
| 1487 | if (prefs == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1488 | return NULL; |
| 1489 | } |
| 1490 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 1491 | return prefs->ciphers; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1492 | } |
| 1493 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1494 | const char *SSL_get_cipher_list(const SSL *ssl, int n) { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1495 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1496 | return NULL; |
| 1497 | } |
| 1498 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1499 | STACK_OF(SSL_CIPHER) *sk = SSL_get_ciphers(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1500 | if (sk == NULL || n < 0 || (size_t)n >= sk_SSL_CIPHER_num(sk)) { |
| 1501 | return NULL; |
| 1502 | } |
| 1503 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1504 | const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, n); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1505 | if (c == NULL) { |
| 1506 | return NULL; |
| 1507 | } |
| 1508 | |
| 1509 | return c->name; |
| 1510 | } |
| 1511 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1512 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) { |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 1513 | return ssl_create_cipher_list(ctx->method, &ctx->cipher_list, str, |
| 1514 | 0 /* not strict */); |
Robert Sloan | 7c50ec5 | 2017-02-27 08:17:21 -0800 | [diff] [blame] | 1515 | } |
| 1516 | |
| 1517 | int SSL_CTX_set_strict_cipher_list(SSL_CTX *ctx, const char *str) { |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 1518 | return ssl_create_cipher_list(ctx->method, &ctx->cipher_list, str, |
| 1519 | 1 /* strict */); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1520 | } |
| 1521 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1522 | int SSL_set_cipher_list(SSL *ssl, const char *str) { |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 1523 | return ssl_create_cipher_list(ssl->ctx->method, &ssl->cipher_list, str, |
| 1524 | 0 /* not strict */); |
Robert Sloan | 7c50ec5 | 2017-02-27 08:17:21 -0800 | [diff] [blame] | 1525 | } |
| 1526 | |
| 1527 | int SSL_set_strict_cipher_list(SSL *ssl, const char *str) { |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 1528 | return ssl_create_cipher_list(ssl->ctx->method, &ssl->cipher_list, str, |
| 1529 | 1 /* strict */); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1530 | } |
| 1531 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1532 | const char *SSL_get_servername(const SSL *ssl, const int type) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1533 | if (type != TLSEXT_NAMETYPE_host_name) { |
| 1534 | return NULL; |
| 1535 | } |
| 1536 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1537 | /* Historically, |SSL_get_servername| was also the configuration getter |
| 1538 | * corresponding to |SSL_set_tlsext_host_name|. */ |
| 1539 | if (ssl->tlsext_hostname != NULL) { |
| 1540 | return ssl->tlsext_hostname; |
| 1541 | } |
| 1542 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 1543 | /* During the handshake, report the handshake value. */ |
| 1544 | if (ssl->s3->hs != NULL) { |
| 1545 | return ssl->s3->hs->hostname; |
| 1546 | } |
| 1547 | |
| 1548 | /* SSL_get_servername may also be called after the handshake to look up the |
| 1549 | * SNI value. |
| 1550 | * |
| 1551 | * TODO(davidben): This is almost unused. Can we remove it? */ |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1552 | SSL_SESSION *session = SSL_get_session(ssl); |
| 1553 | if (session == NULL) { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1554 | return NULL; |
| 1555 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1556 | return session->tlsext_hostname; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1557 | } |
| 1558 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1559 | int SSL_get_servername_type(const SSL *ssl) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1560 | SSL_SESSION *session = SSL_get_session(ssl); |
| 1561 | if (session == NULL || session->tlsext_hostname == NULL) { |
| 1562 | return -1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1563 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1564 | return TLSEXT_NAMETYPE_host_name; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1565 | } |
| 1566 | |
| 1567 | void SSL_CTX_enable_signed_cert_timestamps(SSL_CTX *ctx) { |
| 1568 | ctx->signed_cert_timestamps_enabled = 1; |
| 1569 | } |
| 1570 | |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 1571 | void SSL_CTX_i_promise_to_verify_certs_after_the_handshake(SSL_CTX *ctx) { |
| 1572 | ctx->i_promise_to_verify_certs_after_the_handshake = 1; |
| 1573 | } |
| 1574 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1575 | void SSL_enable_signed_cert_timestamps(SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1576 | ssl->signed_cert_timestamps_enabled = 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1577 | } |
| 1578 | |
| 1579 | void SSL_CTX_enable_ocsp_stapling(SSL_CTX *ctx) { |
| 1580 | ctx->ocsp_stapling_enabled = 1; |
| 1581 | } |
| 1582 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1583 | void SSL_enable_ocsp_stapling(SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1584 | ssl->ocsp_stapling_enabled = 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1585 | } |
| 1586 | |
| 1587 | void SSL_get0_signed_cert_timestamp_list(const SSL *ssl, const uint8_t **out, |
| 1588 | size_t *out_len) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1589 | SSL_SESSION *session = SSL_get_session(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1590 | |
| 1591 | *out_len = 0; |
| 1592 | *out = NULL; |
| 1593 | if (ssl->server || !session || !session->tlsext_signed_cert_timestamp_list) { |
| 1594 | return; |
| 1595 | } |
| 1596 | |
| 1597 | *out = session->tlsext_signed_cert_timestamp_list; |
| 1598 | *out_len = session->tlsext_signed_cert_timestamp_list_length; |
| 1599 | } |
| 1600 | |
| 1601 | void SSL_get0_ocsp_response(const SSL *ssl, const uint8_t **out, |
| 1602 | size_t *out_len) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1603 | SSL_SESSION *session = SSL_get_session(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1604 | |
| 1605 | *out_len = 0; |
| 1606 | *out = NULL; |
| 1607 | if (ssl->server || !session || !session->ocsp_response) { |
| 1608 | return; |
| 1609 | } |
| 1610 | *out = session->ocsp_response; |
| 1611 | *out_len = session->ocsp_response_length; |
| 1612 | } |
| 1613 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1614 | int SSL_set_tlsext_host_name(SSL *ssl, const char *name) { |
| 1615 | OPENSSL_free(ssl->tlsext_hostname); |
| 1616 | ssl->tlsext_hostname = NULL; |
| 1617 | |
| 1618 | if (name == NULL) { |
| 1619 | return 1; |
| 1620 | } |
| 1621 | |
| 1622 | size_t len = strlen(name); |
| 1623 | if (len == 0 || len > TLSEXT_MAXLEN_host_name) { |
| 1624 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL3_EXT_INVALID_SERVERNAME); |
| 1625 | return 0; |
| 1626 | } |
| 1627 | ssl->tlsext_hostname = BUF_strdup(name); |
| 1628 | if (ssl->tlsext_hostname == NULL) { |
| 1629 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
| 1630 | return 0; |
| 1631 | } |
| 1632 | return 1; |
| 1633 | } |
| 1634 | |
| 1635 | int SSL_CTX_set_tlsext_servername_callback( |
| 1636 | SSL_CTX *ctx, int (*callback)(SSL *ssl, int *out_alert, void *arg)) { |
| 1637 | ctx->tlsext_servername_callback = callback; |
| 1638 | return 1; |
| 1639 | } |
| 1640 | |
| 1641 | int SSL_CTX_set_tlsext_servername_arg(SSL_CTX *ctx, void *arg) { |
| 1642 | ctx->tlsext_servername_arg = arg; |
| 1643 | return 1; |
| 1644 | } |
| 1645 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1646 | int SSL_select_next_proto(uint8_t **out, uint8_t *out_len, |
| 1647 | const uint8_t *server, unsigned server_len, |
| 1648 | const uint8_t *client, unsigned client_len) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1649 | unsigned int i, j; |
| 1650 | const uint8_t *result; |
| 1651 | int status = OPENSSL_NPN_UNSUPPORTED; |
| 1652 | |
| 1653 | /* For each protocol in server preference order, see if we support it. */ |
| 1654 | for (i = 0; i < server_len;) { |
| 1655 | for (j = 0; j < client_len;) { |
| 1656 | if (server[i] == client[j] && |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1657 | OPENSSL_memcmp(&server[i + 1], &client[j + 1], server[i]) == 0) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1658 | /* We found a match */ |
| 1659 | result = &server[i]; |
| 1660 | status = OPENSSL_NPN_NEGOTIATED; |
| 1661 | goto found; |
| 1662 | } |
| 1663 | j += client[j]; |
| 1664 | j++; |
| 1665 | } |
| 1666 | i += server[i]; |
| 1667 | i++; |
| 1668 | } |
| 1669 | |
| 1670 | /* There's no overlap between our protocols and the server's list. */ |
| 1671 | result = client; |
| 1672 | status = OPENSSL_NPN_NO_OVERLAP; |
| 1673 | |
| 1674 | found: |
| 1675 | *out = (uint8_t *)result + 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1676 | *out_len = result[0]; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1677 | return status; |
| 1678 | } |
| 1679 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1680 | void SSL_get0_next_proto_negotiated(const SSL *ssl, const uint8_t **out_data, |
| 1681 | unsigned *out_len) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1682 | *out_data = ssl->s3->next_proto_negotiated; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1683 | if (*out_data == NULL) { |
| 1684 | *out_len = 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1685 | } else { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1686 | *out_len = ssl->s3->next_proto_negotiated_len; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1687 | } |
| 1688 | } |
| 1689 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1690 | void SSL_CTX_set_next_protos_advertised_cb( |
| 1691 | SSL_CTX *ctx, |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1692 | 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] | 1693 | void *arg) { |
| 1694 | ctx->next_protos_advertised_cb = cb; |
| 1695 | ctx->next_protos_advertised_cb_arg = arg; |
| 1696 | } |
| 1697 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1698 | void SSL_CTX_set_next_proto_select_cb( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1699 | SSL_CTX *ctx, int (*cb)(SSL *ssl, uint8_t **out, uint8_t *out_len, |
| 1700 | const uint8_t *in, unsigned in_len, void *arg), |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1701 | void *arg) { |
| 1702 | ctx->next_proto_select_cb = cb; |
| 1703 | ctx->next_proto_select_cb_arg = arg; |
| 1704 | } |
| 1705 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1706 | int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const uint8_t *protos, |
| 1707 | unsigned protos_len) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1708 | OPENSSL_free(ctx->alpn_client_proto_list); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1709 | ctx->alpn_client_proto_list = BUF_memdup(protos, protos_len); |
| 1710 | if (!ctx->alpn_client_proto_list) { |
| 1711 | return 1; |
| 1712 | } |
| 1713 | ctx->alpn_client_proto_list_len = protos_len; |
| 1714 | |
| 1715 | return 0; |
| 1716 | } |
| 1717 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1718 | 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] | 1719 | OPENSSL_free(ssl->alpn_client_proto_list); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1720 | ssl->alpn_client_proto_list = BUF_memdup(protos, protos_len); |
| 1721 | if (!ssl->alpn_client_proto_list) { |
| 1722 | return 1; |
| 1723 | } |
| 1724 | ssl->alpn_client_proto_list_len = protos_len; |
| 1725 | |
| 1726 | return 0; |
| 1727 | } |
| 1728 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1729 | void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, |
| 1730 | int (*cb)(SSL *ssl, const uint8_t **out, |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1731 | uint8_t *out_len, const uint8_t *in, |
| 1732 | unsigned in_len, void *arg), |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1733 | void *arg) { |
| 1734 | ctx->alpn_select_cb = cb; |
| 1735 | ctx->alpn_select_cb_arg = arg; |
| 1736 | } |
| 1737 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1738 | void SSL_get0_alpn_selected(const SSL *ssl, const uint8_t **out_data, |
| 1739 | unsigned *out_len) { |
| 1740 | *out_data = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1741 | if (ssl->s3) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1742 | *out_data = ssl->s3->alpn_selected; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1743 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1744 | if (*out_data == NULL) { |
| 1745 | *out_len = 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1746 | } else { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1747 | *out_len = ssl->s3->alpn_selected_len; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1748 | } |
| 1749 | } |
| 1750 | |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 1751 | void SSL_CTX_set_allow_unknown_alpn_protos(SSL_CTX *ctx, int enabled) { |
| 1752 | ctx->allow_unknown_alpn_protos = !!enabled; |
| 1753 | } |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1754 | |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 1755 | void SSL_CTX_set_tls_channel_id_enabled(SSL_CTX *ctx, int enabled) { |
| 1756 | ctx->tlsext_channel_id_enabled = !!enabled; |
| 1757 | } |
| 1758 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1759 | int SSL_CTX_enable_tls_channel_id(SSL_CTX *ctx) { |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 1760 | SSL_CTX_set_tls_channel_id_enabled(ctx, 1); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1761 | return 1; |
| 1762 | } |
| 1763 | |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 1764 | void SSL_set_tls_channel_id_enabled(SSL *ssl, int enabled) { |
| 1765 | ssl->tlsext_channel_id_enabled = !!enabled; |
| 1766 | } |
| 1767 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1768 | int SSL_enable_tls_channel_id(SSL *ssl) { |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 1769 | SSL_set_tls_channel_id_enabled(ssl, 1); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1770 | return 1; |
| 1771 | } |
| 1772 | |
| 1773 | static int is_p256_key(EVP_PKEY *private_key) { |
| 1774 | const EC_KEY *ec_key = EVP_PKEY_get0_EC_KEY(private_key); |
| 1775 | return ec_key != NULL && |
| 1776 | EC_GROUP_get_curve_name(EC_KEY_get0_group(ec_key)) == |
| 1777 | NID_X9_62_prime256v1; |
| 1778 | } |
| 1779 | |
| 1780 | int SSL_CTX_set1_tls_channel_id(SSL_CTX *ctx, EVP_PKEY *private_key) { |
| 1781 | if (!is_p256_key(private_key)) { |
| 1782 | OPENSSL_PUT_ERROR(SSL, SSL_R_CHANNEL_ID_NOT_P256); |
| 1783 | return 0; |
| 1784 | } |
| 1785 | |
| 1786 | EVP_PKEY_free(ctx->tlsext_channel_id_private); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1787 | EVP_PKEY_up_ref(private_key); |
| 1788 | ctx->tlsext_channel_id_private = private_key; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1789 | ctx->tlsext_channel_id_enabled = 1; |
| 1790 | |
| 1791 | return 1; |
| 1792 | } |
| 1793 | |
| 1794 | int SSL_set1_tls_channel_id(SSL *ssl, EVP_PKEY *private_key) { |
| 1795 | if (!is_p256_key(private_key)) { |
| 1796 | OPENSSL_PUT_ERROR(SSL, SSL_R_CHANNEL_ID_NOT_P256); |
| 1797 | return 0; |
| 1798 | } |
| 1799 | |
| 1800 | EVP_PKEY_free(ssl->tlsext_channel_id_private); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1801 | EVP_PKEY_up_ref(private_key); |
| 1802 | ssl->tlsext_channel_id_private = private_key; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1803 | ssl->tlsext_channel_id_enabled = 1; |
| 1804 | |
| 1805 | return 1; |
| 1806 | } |
| 1807 | |
| 1808 | size_t SSL_get_tls_channel_id(SSL *ssl, uint8_t *out, size_t max_out) { |
| 1809 | if (!ssl->s3->tlsext_channel_id_valid) { |
| 1810 | return 0; |
| 1811 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1812 | OPENSSL_memcpy(out, ssl->s3->tlsext_channel_id, |
| 1813 | (max_out < 64) ? max_out : 64); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1814 | return 64; |
| 1815 | } |
| 1816 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1817 | size_t SSL_get0_certificate_types(SSL *ssl, const uint8_t **out_types) { |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1818 | if (ssl->server || ssl->s3->hs == NULL) { |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1819 | *out_types = NULL; |
| 1820 | return 0; |
| 1821 | } |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1822 | *out_types = ssl->s3->hs->certificate_types; |
| 1823 | return ssl->s3->hs->num_certificate_types; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1824 | } |
| 1825 | |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 1826 | void ssl_update_cache(SSL_HANDSHAKE *hs, int mode) { |
| 1827 | SSL *const ssl = hs->ssl; |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 1828 | SSL_CTX *ctx = ssl->session_ctx; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1829 | /* Never cache sessions with empty session IDs. */ |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1830 | if (ssl->s3->established_session->session_id_length == 0 || |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1831 | (ctx->session_cache_mode & mode) != mode) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1832 | return; |
| 1833 | } |
| 1834 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1835 | /* Clients never use the internal session cache. */ |
| 1836 | int use_internal_cache = ssl->server && !(ctx->session_cache_mode & |
| 1837 | SSL_SESS_CACHE_NO_INTERNAL_STORE); |
Adam Langley | 56d2503 | 2015-06-23 16:20:13 -0700 | [diff] [blame] | 1838 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1839 | /* A client may see new sessions on abbreviated handshakes if the server |
| 1840 | * decides to renew the ticket. Once the handshake is completed, it should be |
| 1841 | * inserted into the cache. */ |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1842 | if (ssl->s3->established_session != ssl->session || |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 1843 | (!ssl->server && hs->ticket_expected)) { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1844 | if (use_internal_cache) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1845 | SSL_CTX_add_session(ctx, ssl->s3->established_session); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1846 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1847 | if (ctx->new_session_cb != NULL) { |
| 1848 | SSL_SESSION_up_ref(ssl->s3->established_session); |
| 1849 | if (!ctx->new_session_cb(ssl, ssl->s3->established_session)) { |
| 1850 | /* |new_session_cb|'s return value signals whether it took ownership. */ |
| 1851 | SSL_SESSION_free(ssl->s3->established_session); |
| 1852 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1853 | } |
| 1854 | } |
| 1855 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1856 | if (use_internal_cache && |
| 1857 | !(ctx->session_cache_mode & SSL_SESS_CACHE_NO_AUTO_CLEAR)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1858 | /* Automatically flush the internal session cache every 255 connections. */ |
| 1859 | int flush_cache = 0; |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1860 | CRYPTO_MUTEX_lock_write(&ctx->lock); |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1861 | ctx->handshakes_since_cache_flush++; |
| 1862 | if (ctx->handshakes_since_cache_flush >= 255) { |
| 1863 | flush_cache = 1; |
| 1864 | ctx->handshakes_since_cache_flush = 0; |
| 1865 | } |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1866 | CRYPTO_MUTEX_unlock_write(&ctx->lock); |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1867 | |
| 1868 | if (flush_cache) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1869 | struct OPENSSL_timeval now; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1870 | ssl_get_current_time(ssl, &now); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1871 | SSL_CTX_flush_sessions(ctx, now.tv_sec); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1872 | } |
| 1873 | } |
| 1874 | } |
| 1875 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1876 | static const char *ssl_get_version(int version) { |
| 1877 | switch (version) { |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 1878 | /* Report TLS 1.3 draft version as TLS 1.3 in the public API. */ |
| 1879 | case TLS1_3_DRAFT_VERSION: |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1880 | return "TLSv1.3"; |
| 1881 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1882 | case TLS1_2_VERSION: |
| 1883 | return "TLSv1.2"; |
| 1884 | |
| 1885 | case TLS1_1_VERSION: |
| 1886 | return "TLSv1.1"; |
| 1887 | |
| 1888 | case TLS1_VERSION: |
| 1889 | return "TLSv1"; |
| 1890 | |
| 1891 | case SSL3_VERSION: |
| 1892 | return "SSLv3"; |
| 1893 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1894 | case DTLS1_VERSION: |
| 1895 | return "DTLSv1"; |
| 1896 | |
| 1897 | case DTLS1_2_VERSION: |
| 1898 | return "DTLSv1.2"; |
| 1899 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1900 | default: |
| 1901 | return "unknown"; |
| 1902 | } |
| 1903 | } |
| 1904 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1905 | const char *SSL_get_version(const SSL *ssl) { |
| 1906 | return ssl_get_version(ssl->version); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1907 | } |
| 1908 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1909 | const char *SSL_SESSION_get_version(const SSL_SESSION *session) { |
| 1910 | return ssl_get_version(session->ssl_version); |
| 1911 | } |
| 1912 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 1913 | EVP_PKEY *SSL_get_privatekey(const SSL *ssl) { |
| 1914 | if (ssl->cert != NULL) { |
| 1915 | return ssl->cert->privatekey; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1916 | } |
| 1917 | |
| 1918 | return NULL; |
| 1919 | } |
| 1920 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1921 | EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx) { |
| 1922 | if (ctx->cert != NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1923 | return ctx->cert->privatekey; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1924 | } |
| 1925 | |
| 1926 | return NULL; |
| 1927 | } |
| 1928 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1929 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *ssl) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1930 | if (ssl->s3->aead_write_ctx == NULL) { |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1931 | return NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1932 | } |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1933 | return ssl->s3->aead_write_ctx->cipher; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1934 | } |
| 1935 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1936 | int SSL_session_reused(const SSL *ssl) { |
David Benjamin | f0c4a6c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1937 | return ssl->s3->session_reused; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1938 | } |
| 1939 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 1940 | const COMP_METHOD *SSL_get_current_compression(SSL *ssl) { return NULL; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1941 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 1942 | const COMP_METHOD *SSL_get_current_expansion(SSL *ssl) { return NULL; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1943 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1944 | int *SSL_get_server_tmp_key(SSL *ssl, EVP_PKEY **out_key) { return 0; } |
| 1945 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1946 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode) { |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 1947 | ctx->quiet_shutdown = (mode != 0); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1948 | } |
| 1949 | |
| 1950 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) { |
| 1951 | return ctx->quiet_shutdown; |
| 1952 | } |
| 1953 | |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 1954 | void SSL_set_quiet_shutdown(SSL *ssl, int mode) { |
| 1955 | ssl->quiet_shutdown = (mode != 0); |
| 1956 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1957 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1958 | int SSL_get_quiet_shutdown(const SSL *ssl) { return ssl->quiet_shutdown; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1959 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1960 | void SSL_set_shutdown(SSL *ssl, int mode) { |
| 1961 | /* It is an error to clear any bits that have already been set. (We can't try |
| 1962 | * to get a second close_notify or send two.) */ |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1963 | assert((SSL_get_shutdown(ssl) & mode) == SSL_get_shutdown(ssl)); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1964 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1965 | if (mode & SSL_RECEIVED_SHUTDOWN && |
| 1966 | ssl->s3->recv_shutdown == ssl_shutdown_none) { |
| 1967 | ssl->s3->recv_shutdown = ssl_shutdown_close_notify; |
| 1968 | } |
| 1969 | |
| 1970 | if (mode & SSL_SENT_SHUTDOWN && |
| 1971 | ssl->s3->send_shutdown == ssl_shutdown_none) { |
| 1972 | ssl->s3->send_shutdown = ssl_shutdown_close_notify; |
| 1973 | } |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1974 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1975 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1976 | int SSL_get_shutdown(const SSL *ssl) { |
| 1977 | int ret = 0; |
| 1978 | if (ssl->s3->recv_shutdown != ssl_shutdown_none) { |
| 1979 | /* Historically, OpenSSL set |SSL_RECEIVED_SHUTDOWN| on both close_notify |
| 1980 | * and fatal alert. */ |
| 1981 | ret |= SSL_RECEIVED_SHUTDOWN; |
| 1982 | } |
| 1983 | if (ssl->s3->send_shutdown == ssl_shutdown_close_notify) { |
| 1984 | /* Historically, OpenSSL set |SSL_SENT_SHUTDOWN| on only close_notify. */ |
| 1985 | ret |= SSL_SENT_SHUTDOWN; |
| 1986 | } |
| 1987 | return ret; |
| 1988 | } |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1989 | |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 1990 | int SSL_version(const SSL *ssl) { |
| 1991 | /* Report TLS 1.3 draft version as TLS 1.3 in the public API. */ |
| 1992 | if (ssl->version == TLS1_3_DRAFT_VERSION) { |
| 1993 | return TLS1_3_VERSION; |
| 1994 | } |
| 1995 | |
| 1996 | return ssl->version; |
| 1997 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1998 | |
| 1999 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) { return ssl->ctx; } |
| 2000 | |
| 2001 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx) { |
| 2002 | if (ssl->ctx == ctx) { |
| 2003 | return ssl->ctx; |
| 2004 | } |
| 2005 | |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 2006 | /* One cannot change the X.509 callbacks during a connection. */ |
| 2007 | if (ssl->ctx->x509_method != ctx->x509_method) { |
| 2008 | assert(0); |
| 2009 | return NULL; |
| 2010 | } |
| 2011 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2012 | if (ctx == NULL) { |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 2013 | ctx = ssl->session_ctx; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2014 | } |
| 2015 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2016 | ssl_cert_free(ssl->cert); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2017 | ssl->cert = ssl_cert_dup(ctx->cert); |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2018 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 2019 | SSL_CTX_up_ref(ctx); |
| 2020 | SSL_CTX_free(ssl->ctx); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2021 | ssl->ctx = ctx; |
| 2022 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2023 | return ssl->ctx; |
| 2024 | } |
| 2025 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2026 | void SSL_set_info_callback(SSL *ssl, |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2027 | void (*cb)(const SSL *ssl, int type, int value)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2028 | ssl->info_callback = cb; |
| 2029 | } |
| 2030 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2031 | void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl, int type, |
| 2032 | int value) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2033 | return ssl->info_callback; |
| 2034 | } |
| 2035 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 2036 | int SSL_state(const SSL *ssl) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 2037 | return SSL_in_init(ssl) ? SSL_ST_INIT : SSL_ST_OK; |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 2038 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2039 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2040 | void SSL_set_state(SSL *ssl, int state) { } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2041 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2042 | char *SSL_get_shared_ciphers(const SSL *ssl, char *buf, int len) { |
| 2043 | if (len <= 0) { |
| 2044 | return NULL; |
| 2045 | } |
| 2046 | buf[0] = '\0'; |
| 2047 | return buf; |
| 2048 | } |
| 2049 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2050 | 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] | 2051 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2052 | int index; |
| 2053 | 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] | 2054 | dup_func, free_func)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2055 | return -1; |
| 2056 | } |
| 2057 | return index; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2058 | } |
| 2059 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2060 | int SSL_set_ex_data(SSL *ssl, int idx, void *arg) { |
| 2061 | return CRYPTO_set_ex_data(&ssl->ex_data, idx, arg); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2062 | } |
| 2063 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2064 | void *SSL_get_ex_data(const SSL *ssl, int idx) { |
| 2065 | return CRYPTO_get_ex_data(&ssl->ex_data, idx); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2066 | } |
| 2067 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2068 | 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] | 2069 | CRYPTO_EX_dup *dup_func, |
| 2070 | CRYPTO_EX_free *free_func) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2071 | int index; |
| 2072 | 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] | 2073 | dup_func, free_func)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2074 | return -1; |
| 2075 | } |
| 2076 | return index; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2077 | } |
| 2078 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2079 | int SSL_CTX_set_ex_data(SSL_CTX *ctx, int idx, void *arg) { |
| 2080 | return CRYPTO_set_ex_data(&ctx->ex_data, idx, arg); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2081 | } |
| 2082 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2083 | void *SSL_CTX_get_ex_data(const SSL_CTX *ctx, int idx) { |
| 2084 | return CRYPTO_get_ex_data(&ctx->ex_data, idx); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2085 | } |
| 2086 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2087 | int SSL_want(const SSL *ssl) { return ssl->rwstate; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2088 | |
| 2089 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx, |
| 2090 | RSA *(*cb)(SSL *ssl, int is_export, |
| 2091 | int keylength)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2092 | } |
| 2093 | |
| 2094 | void SSL_set_tmp_rsa_callback(SSL *ssl, RSA *(*cb)(SSL *ssl, int is_export, |
| 2095 | int keylength)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2096 | } |
| 2097 | |
| 2098 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2099 | DH *(*callback)(SSL *ssl, int is_export, |
| 2100 | int keylength)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2101 | } |
| 2102 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2103 | void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*callback)(SSL *ssl, int is_export, |
| 2104 | int keylength)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2105 | } |
| 2106 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2107 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) { |
| 2108 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2109 | OPENSSL_PUT_ERROR(SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2110 | return 0; |
| 2111 | } |
| 2112 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2113 | OPENSSL_free(ctx->psk_identity_hint); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2114 | |
| 2115 | if (identity_hint != NULL) { |
| 2116 | ctx->psk_identity_hint = BUF_strdup(identity_hint); |
| 2117 | if (ctx->psk_identity_hint == NULL) { |
| 2118 | return 0; |
| 2119 | } |
| 2120 | } else { |
| 2121 | ctx->psk_identity_hint = NULL; |
| 2122 | } |
| 2123 | |
| 2124 | return 1; |
| 2125 | } |
| 2126 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2127 | int SSL_use_psk_identity_hint(SSL *ssl, const char *identity_hint) { |
| 2128 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2129 | return 0; |
| 2130 | } |
| 2131 | |
| 2132 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2133 | OPENSSL_PUT_ERROR(SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2134 | return 0; |
| 2135 | } |
| 2136 | |
| 2137 | /* Clear currently configured hint, if any. */ |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2138 | OPENSSL_free(ssl->psk_identity_hint); |
| 2139 | ssl->psk_identity_hint = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2140 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2141 | /* Treat the empty hint as not supplying one. Plain PSK makes it possible to |
| 2142 | * send either no hint (omit ServerKeyExchange) or an empty hint, while |
| 2143 | * ECDHE_PSK can only spell empty hint. Having different capabilities is odd, |
| 2144 | * so we interpret empty and missing as identical. */ |
| 2145 | if (identity_hint != NULL && identity_hint[0] != '\0') { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2146 | ssl->psk_identity_hint = BUF_strdup(identity_hint); |
| 2147 | if (ssl->psk_identity_hint == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2148 | return 0; |
| 2149 | } |
| 2150 | } |
| 2151 | |
| 2152 | return 1; |
| 2153 | } |
| 2154 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2155 | const char *SSL_get_psk_identity_hint(const SSL *ssl) { |
| 2156 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2157 | return NULL; |
| 2158 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2159 | return ssl->psk_identity_hint; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2160 | } |
| 2161 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2162 | const char *SSL_get_psk_identity(const SSL *ssl) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2163 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2164 | return NULL; |
| 2165 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2166 | SSL_SESSION *session = SSL_get_session(ssl); |
| 2167 | if (session == NULL) { |
| 2168 | return NULL; |
| 2169 | } |
| 2170 | return session->psk_identity; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2171 | } |
| 2172 | |
| 2173 | void SSL_set_psk_client_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2174 | SSL *ssl, unsigned (*cb)(SSL *ssl, const char *hint, char *identity, |
| 2175 | unsigned max_identity_len, uint8_t *psk, |
| 2176 | unsigned max_psk_len)) { |
| 2177 | ssl->psk_client_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2178 | } |
| 2179 | |
| 2180 | void SSL_CTX_set_psk_client_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2181 | SSL_CTX *ctx, unsigned (*cb)(SSL *ssl, const char *hint, char *identity, |
| 2182 | unsigned max_identity_len, uint8_t *psk, |
| 2183 | unsigned max_psk_len)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2184 | ctx->psk_client_callback = cb; |
| 2185 | } |
| 2186 | |
| 2187 | void SSL_set_psk_server_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2188 | SSL *ssl, unsigned (*cb)(SSL *ssl, const char *identity, uint8_t *psk, |
| 2189 | unsigned max_psk_len)) { |
| 2190 | ssl->psk_server_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2191 | } |
| 2192 | |
| 2193 | void SSL_CTX_set_psk_server_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2194 | SSL_CTX *ctx, unsigned (*cb)(SSL *ssl, const char *identity, |
| 2195 | uint8_t *psk, unsigned max_psk_len)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2196 | ctx->psk_server_callback = cb; |
| 2197 | } |
| 2198 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2199 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, |
| 2200 | void (*cb)(int write_p, int version, |
| 2201 | int content_type, const void *buf, |
| 2202 | size_t len, SSL *ssl, void *arg)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2203 | ctx->msg_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2204 | } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2205 | |
| 2206 | void SSL_CTX_set_msg_callback_arg(SSL_CTX *ctx, void *arg) { |
| 2207 | ctx->msg_callback_arg = arg; |
| 2208 | } |
| 2209 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2210 | void SSL_set_msg_callback(SSL *ssl, |
| 2211 | void (*cb)(int write_p, int version, int content_type, |
| 2212 | const void *buf, size_t len, SSL *ssl, |
| 2213 | void *arg)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2214 | ssl->msg_callback = cb; |
| 2215 | } |
| 2216 | |
| 2217 | void SSL_set_msg_callback_arg(SSL *ssl, void *arg) { |
| 2218 | ssl->msg_callback_arg = arg; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2219 | } |
| 2220 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2221 | void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, |
| 2222 | void (*cb)(const SSL *ssl, const char *line)) { |
| 2223 | ctx->keylog_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2224 | } |
| 2225 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2226 | void (*SSL_CTX_get_keylog_callback(const SSL_CTX *ctx))(const SSL *ssl, |
| 2227 | const char *line) { |
| 2228 | return ctx->keylog_callback; |
| 2229 | } |
| 2230 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2231 | void SSL_CTX_set_current_time_cb(SSL_CTX *ctx, |
| 2232 | void (*cb)(const SSL *ssl, |
| 2233 | struct timeval *out_clock)) { |
| 2234 | ctx->current_time_cb = cb; |
| 2235 | } |
| 2236 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2237 | static int cbb_add_hex(CBB *cbb, const uint8_t *in, size_t in_len) { |
| 2238 | static const char hextable[] = "0123456789abcdef"; |
| 2239 | uint8_t *out; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2240 | |
| 2241 | if (!CBB_add_space(cbb, &out, in_len * 2)) { |
| 2242 | return 0; |
| 2243 | } |
| 2244 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2245 | for (size_t i = 0; i < in_len; i++) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2246 | *(out++) = (uint8_t)hextable[in[i] >> 4]; |
| 2247 | *(out++) = (uint8_t)hextable[in[i] & 0xf]; |
| 2248 | } |
| 2249 | |
| 2250 | return 1; |
| 2251 | } |
| 2252 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2253 | int ssl_log_secret(const SSL *ssl, const char *label, const uint8_t *secret, |
| 2254 | size_t secret_len) { |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2255 | if (ssl->ctx->keylog_callback == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2256 | return 1; |
| 2257 | } |
| 2258 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2259 | CBB cbb; |
| 2260 | uint8_t *out; |
| 2261 | size_t out_len; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2262 | if (!CBB_init(&cbb, strlen(label) + 1 + SSL3_RANDOM_SIZE * 2 + 1 + |
| 2263 | secret_len * 2 + 1) || |
| 2264 | !CBB_add_bytes(&cbb, (const uint8_t *)label, strlen(label)) || |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2265 | !CBB_add_bytes(&cbb, (const uint8_t *)" ", 1) || |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2266 | !cbb_add_hex(&cbb, ssl->s3->client_random, SSL3_RANDOM_SIZE) || |
| 2267 | !CBB_add_bytes(&cbb, (const uint8_t *)" ", 1) || |
| 2268 | !cbb_add_hex(&cbb, secret, secret_len) || |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2269 | !CBB_add_u8(&cbb, 0 /* NUL */) || |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2270 | !CBB_finish(&cbb, &out, &out_len)) { |
| 2271 | CBB_cleanup(&cbb); |
| 2272 | return 0; |
| 2273 | } |
| 2274 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2275 | ssl->ctx->keylog_callback(ssl, (const char *)out); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2276 | OPENSSL_free(out); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2277 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2278 | } |
| 2279 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2280 | int SSL_is_init_finished(const SSL *ssl) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 2281 | return !SSL_in_init(ssl); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2282 | } |
| 2283 | |
| 2284 | int SSL_in_init(const SSL *ssl) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 2285 | SSL_HANDSHAKE *hs = ssl->s3->hs; |
| 2286 | return hs != NULL && hs->state != SSL_ST_OK; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2287 | } |
| 2288 | |
| 2289 | int SSL_in_false_start(const SSL *ssl) { |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 2290 | if (ssl->s3->hs == NULL) { |
| 2291 | return 0; |
| 2292 | } |
| 2293 | return ssl->s3->hs->in_false_start; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2294 | } |
| 2295 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2296 | int SSL_cutthrough_complete(const SSL *ssl) { |
| 2297 | return SSL_in_false_start(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2298 | } |
| 2299 | |
| 2300 | void SSL_get_structure_sizes(size_t *ssl_size, size_t *ssl_ctx_size, |
| 2301 | size_t *ssl_session_size) { |
| 2302 | *ssl_size = sizeof(SSL); |
| 2303 | *ssl_ctx_size = sizeof(SSL_CTX); |
| 2304 | *ssl_session_size = sizeof(SSL_SESSION); |
| 2305 | } |
| 2306 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2307 | int ssl3_can_false_start(const SSL *ssl) { |
| 2308 | const SSL_CIPHER *const cipher = SSL_get_current_cipher(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2309 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2310 | /* False Start only for TLS 1.2 with an ECDHE+AEAD cipher and ALPN or NPN. */ |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2311 | return !SSL_is_dtls(ssl) && |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2312 | SSL_version(ssl) == TLS1_2_VERSION && |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 2313 | (ssl->s3->alpn_selected != NULL || |
| 2314 | ssl->s3->next_proto_negotiated != NULL) && |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2315 | cipher != NULL && |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 2316 | cipher->algorithm_mkey == SSL_kECDHE && |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2317 | cipher->algorithm_mac == SSL_AEAD; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2318 | } |
| 2319 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2320 | const struct { |
| 2321 | uint16_t version; |
| 2322 | uint32_t flag; |
| 2323 | } kVersions[] = { |
| 2324 | {SSL3_VERSION, SSL_OP_NO_SSLv3}, |
| 2325 | {TLS1_VERSION, SSL_OP_NO_TLSv1}, |
| 2326 | {TLS1_1_VERSION, SSL_OP_NO_TLSv1_1}, |
| 2327 | {TLS1_2_VERSION, SSL_OP_NO_TLSv1_2}, |
| 2328 | {TLS1_3_VERSION, SSL_OP_NO_TLSv1_3}, |
| 2329 | }; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2330 | |
David Benjamin | f0c4a6c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2331 | static const size_t kVersionsLen = OPENSSL_ARRAY_SIZE(kVersions); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2332 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2333 | int ssl_get_version_range(const SSL *ssl, uint16_t *out_min_version, |
| 2334 | uint16_t *out_max_version) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2335 | /* For historical reasons, |SSL_OP_NO_DTLSv1| aliases |SSL_OP_NO_TLSv1|, but |
| 2336 | * DTLS 1.0 should be mapped to TLS 1.1. */ |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2337 | uint32_t options = ssl->options; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2338 | if (SSL_is_dtls(ssl)) { |
| 2339 | options &= ~SSL_OP_NO_TLSv1_1; |
| 2340 | if (options & SSL_OP_NO_DTLSv1) { |
| 2341 | options |= SSL_OP_NO_TLSv1_1; |
| 2342 | } |
| 2343 | } |
| 2344 | |
| 2345 | uint16_t min_version = ssl->min_version; |
| 2346 | uint16_t max_version = ssl->max_version; |
| 2347 | |
| 2348 | /* Bound the range to only those implemented in this protocol. */ |
| 2349 | if (min_version < ssl->method->min_version) { |
| 2350 | min_version = ssl->method->min_version; |
| 2351 | } |
| 2352 | if (max_version > ssl->method->max_version) { |
| 2353 | max_version = ssl->method->max_version; |
| 2354 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2355 | |
| 2356 | /* OpenSSL's API for controlling versions entails blacklisting individual |
| 2357 | * protocols. This has two problems. First, on the client, the protocol can |
| 2358 | * only express a contiguous range of versions. Second, a library consumer |
| 2359 | * trying to set a maximum version cannot disable protocol versions that get |
| 2360 | * added in a future version of the library. |
| 2361 | * |
| 2362 | * To account for both of these, OpenSSL interprets the client-side bitmask |
| 2363 | * as a min/max range by picking the lowest contiguous non-empty range of |
| 2364 | * enabled protocols. Note that this means it is impossible to set a maximum |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2365 | * version of the higest supported TLS version in a future-proof way. */ |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2366 | int any_enabled = 0; |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2367 | for (size_t i = 0; i < kVersionsLen; i++) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2368 | /* Only look at the versions already enabled. */ |
| 2369 | if (min_version > kVersions[i].version) { |
| 2370 | continue; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2371 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2372 | if (max_version < kVersions[i].version) { |
| 2373 | break; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2374 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2375 | |
| 2376 | if (!(options & kVersions[i].flag)) { |
| 2377 | /* The minimum version is the first enabled version. */ |
| 2378 | if (!any_enabled) { |
| 2379 | any_enabled = 1; |
| 2380 | min_version = kVersions[i].version; |
| 2381 | } |
| 2382 | continue; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2383 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2384 | |
| 2385 | /* If there is a disabled version after the first enabled one, all versions |
| 2386 | * after it are implicitly disabled. */ |
| 2387 | if (any_enabled) { |
| 2388 | max_version = kVersions[i-1].version; |
| 2389 | break; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2390 | } |
| 2391 | } |
| 2392 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2393 | if (!any_enabled) { |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 2394 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_SUPPORTED_VERSIONS_ENABLED); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2395 | return 0; |
| 2396 | } |
| 2397 | |
| 2398 | *out_min_version = min_version; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2399 | *out_max_version = max_version; |
| 2400 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2401 | } |
| 2402 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2403 | uint16_t ssl3_protocol_version(const SSL *ssl) { |
| 2404 | assert(ssl->s3->have_version); |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2405 | uint16_t version; |
| 2406 | if (!ssl->method->version_from_wire(&version, ssl->version)) { |
| 2407 | /* TODO(davidben): Use the internal version representation for ssl->version |
| 2408 | * and map to the public API representation at API boundaries. */ |
| 2409 | assert(0); |
| 2410 | return 0; |
| 2411 | } |
| 2412 | |
| 2413 | return version; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2414 | } |
| 2415 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2416 | int SSL_is_server(const SSL *ssl) { return ssl->server; } |
| 2417 | |
| 2418 | int SSL_is_dtls(const SSL *ssl) { return ssl->method->is_dtls; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2419 | |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 2420 | void SSL_CTX_set_select_certificate_cb( |
| 2421 | SSL_CTX *ctx, |
| 2422 | enum ssl_select_cert_result_t (*cb)(const SSL_CLIENT_HELLO *)) { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2423 | ctx->select_certificate_cb = cb; |
| 2424 | } |
| 2425 | |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2426 | void SSL_CTX_set_dos_protection_cb(SSL_CTX *ctx, |
| 2427 | int (*cb)(const SSL_CLIENT_HELLO *)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2428 | ctx->dos_protection_cb = cb; |
| 2429 | } |
| 2430 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2431 | void SSL_set_renegotiate_mode(SSL *ssl, enum ssl_renegotiate_mode_t mode) { |
| 2432 | ssl->renegotiate_mode = mode; |
| 2433 | } |
| 2434 | |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2435 | int SSL_get_ivs(const SSL *ssl, const uint8_t **out_read_iv, |
| 2436 | const uint8_t **out_write_iv, size_t *out_iv_len) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2437 | if (ssl->s3->aead_read_ctx == NULL || ssl->s3->aead_write_ctx == NULL) { |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2438 | return 0; |
| 2439 | } |
| 2440 | |
| 2441 | size_t write_iv_len; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2442 | if (!EVP_AEAD_CTX_get_iv(&ssl->s3->aead_read_ctx->ctx, out_read_iv, |
| 2443 | out_iv_len) || |
| 2444 | !EVP_AEAD_CTX_get_iv(&ssl->s3->aead_write_ctx->ctx, out_write_iv, |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2445 | &write_iv_len) || |
| 2446 | *out_iv_len != write_iv_len) { |
| 2447 | return 0; |
| 2448 | } |
| 2449 | |
| 2450 | return 1; |
| 2451 | } |
| 2452 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2453 | static uint64_t be_to_u64(const uint8_t in[8]) { |
| 2454 | return (((uint64_t)in[0]) << 56) | (((uint64_t)in[1]) << 48) | |
| 2455 | (((uint64_t)in[2]) << 40) | (((uint64_t)in[3]) << 32) | |
| 2456 | (((uint64_t)in[4]) << 24) | (((uint64_t)in[5]) << 16) | |
| 2457 | (((uint64_t)in[6]) << 8) | ((uint64_t)in[7]); |
| 2458 | } |
| 2459 | |
| 2460 | uint64_t SSL_get_read_sequence(const SSL *ssl) { |
| 2461 | /* TODO(davidben): Internally represent sequence numbers as uint64_t. */ |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2462 | if (SSL_is_dtls(ssl)) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2463 | /* max_seq_num already includes the epoch. */ |
| 2464 | assert(ssl->d1->r_epoch == (ssl->d1->bitmap.max_seq_num >> 48)); |
| 2465 | return ssl->d1->bitmap.max_seq_num; |
| 2466 | } |
| 2467 | return be_to_u64(ssl->s3->read_sequence); |
| 2468 | } |
| 2469 | |
| 2470 | uint64_t SSL_get_write_sequence(const SSL *ssl) { |
| 2471 | uint64_t ret = be_to_u64(ssl->s3->write_sequence); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2472 | if (SSL_is_dtls(ssl)) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2473 | assert((ret >> 48) == 0); |
| 2474 | ret |= ((uint64_t)ssl->d1->w_epoch) << 48; |
| 2475 | } |
| 2476 | return ret; |
| 2477 | } |
| 2478 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2479 | uint16_t SSL_get_peer_signature_algorithm(const SSL *ssl) { |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 2480 | /* TODO(davidben): This checks the wrong session if there is a renegotiation |
| 2481 | * in progress. */ |
| 2482 | SSL_SESSION *session = SSL_get_session(ssl); |
| 2483 | if (session == NULL) { |
| 2484 | return 0; |
| 2485 | } |
| 2486 | |
| 2487 | return session->peer_signature_algorithm; |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2488 | } |
| 2489 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2490 | size_t SSL_get_client_random(const SSL *ssl, uint8_t *out, size_t max_out) { |
| 2491 | if (max_out == 0) { |
| 2492 | return sizeof(ssl->s3->client_random); |
| 2493 | } |
| 2494 | if (max_out > sizeof(ssl->s3->client_random)) { |
| 2495 | max_out = sizeof(ssl->s3->client_random); |
| 2496 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 2497 | OPENSSL_memcpy(out, ssl->s3->client_random, max_out); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2498 | return max_out; |
| 2499 | } |
| 2500 | |
| 2501 | size_t SSL_get_server_random(const SSL *ssl, uint8_t *out, size_t max_out) { |
| 2502 | if (max_out == 0) { |
| 2503 | return sizeof(ssl->s3->server_random); |
| 2504 | } |
| 2505 | if (max_out > sizeof(ssl->s3->server_random)) { |
| 2506 | max_out = sizeof(ssl->s3->server_random); |
| 2507 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 2508 | OPENSSL_memcpy(out, ssl->s3->server_random, max_out); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2509 | return max_out; |
| 2510 | } |
| 2511 | |
| 2512 | const SSL_CIPHER *SSL_get_pending_cipher(const SSL *ssl) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 2513 | SSL_HANDSHAKE *hs = ssl->s3->hs; |
| 2514 | if (hs == NULL) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2515 | return NULL; |
| 2516 | } |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 2517 | return hs->new_cipher; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2518 | } |
| 2519 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 2520 | void SSL_set_retain_only_sha256_of_client_certs(SSL *ssl, int enabled) { |
| 2521 | ssl->retain_only_sha256_of_client_certs = !!enabled; |
| 2522 | } |
| 2523 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2524 | void SSL_CTX_set_retain_only_sha256_of_client_certs(SSL_CTX *ctx, int enabled) { |
| 2525 | ctx->retain_only_sha256_of_client_certs = !!enabled; |
| 2526 | } |
| 2527 | |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 2528 | void SSL_CTX_set_grease_enabled(SSL_CTX *ctx, int enabled) { |
| 2529 | ctx->grease_enabled = !!enabled; |
| 2530 | } |
| 2531 | |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 2532 | int32_t SSL_get_ticket_age_skew(const SSL *ssl) { |
| 2533 | return ssl->s3->ticket_age_skew; |
| 2534 | } |
| 2535 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2536 | int SSL_clear(SSL *ssl) { |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2537 | /* In OpenSSL, reusing a client |SSL| with |SSL_clear| causes the previously |
| 2538 | * established session to be offered the next time around. wpa_supplicant |
| 2539 | * depends on this behavior, so emulate it. */ |
| 2540 | SSL_SESSION *session = NULL; |
| 2541 | if (!ssl->server && ssl->s3->established_session != NULL) { |
| 2542 | session = ssl->s3->established_session; |
| 2543 | SSL_SESSION_up_ref(session); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2544 | } |
| 2545 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2546 | /* TODO(davidben): Some state on |ssl| is reset both in |SSL_new| and |
| 2547 | * |SSL_clear| because it is per-connection state rather than configuration |
| 2548 | * state. Per-connection state should be on |ssl->s3| and |ssl->d1| so it is |
| 2549 | * naturally reset at the right points between |SSL_new|, |SSL_clear|, and |
| 2550 | * |ssl3_new|. */ |
| 2551 | |
| 2552 | ssl->rwstate = SSL_NOTHING; |
| 2553 | |
| 2554 | BUF_MEM_free(ssl->init_buf); |
| 2555 | ssl->init_buf = NULL; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2556 | ssl->init_msg = NULL; |
| 2557 | ssl->init_num = 0; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2558 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2559 | /* The ssl->d1->mtu is simultaneously configuration (preserved across |
| 2560 | * clear) and connection-specific state (gets reset). |
| 2561 | * |
| 2562 | * TODO(davidben): Avoid this. */ |
| 2563 | unsigned mtu = 0; |
| 2564 | if (ssl->d1 != NULL) { |
| 2565 | mtu = ssl->d1->mtu; |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2566 | } |
| 2567 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2568 | ssl->method->ssl_free(ssl); |
| 2569 | if (!ssl->method->ssl_new(ssl)) { |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2570 | SSL_SESSION_free(session); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2571 | return 0; |
| 2572 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2573 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2574 | if (SSL_is_dtls(ssl) && (SSL_get_options(ssl) & SSL_OP_NO_QUERY_MTU)) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2575 | ssl->d1->mtu = mtu; |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2576 | } |
| 2577 | |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2578 | if (session != NULL) { |
| 2579 | SSL_set_session(ssl, session); |
| 2580 | SSL_SESSION_free(session); |
| 2581 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2582 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2583 | return 1; |
Adam Langley | 56d2503 | 2015-06-23 16:20:13 -0700 | [diff] [blame] | 2584 | } |
| 2585 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2586 | void ssl_do_info_callback(const SSL *ssl, int type, int value) { |
| 2587 | void (*cb)(const SSL *ssl, int type, int value) = NULL; |
| 2588 | if (ssl->info_callback != NULL) { |
| 2589 | cb = ssl->info_callback; |
| 2590 | } else if (ssl->ctx->info_callback != NULL) { |
| 2591 | cb = ssl->ctx->info_callback; |
| 2592 | } |
| 2593 | |
| 2594 | if (cb != NULL) { |
| 2595 | cb(ssl, type, value); |
| 2596 | } |
| 2597 | } |
| 2598 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2599 | void ssl_do_msg_callback(SSL *ssl, int is_write, int content_type, |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2600 | const void *buf, size_t len) { |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2601 | if (ssl->msg_callback == NULL) { |
| 2602 | return; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2603 | } |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2604 | |
| 2605 | /* |version| is zero when calling for |SSL3_RT_HEADER| and |SSL2_VERSION| for |
| 2606 | * a V2ClientHello. */ |
| 2607 | int version; |
| 2608 | switch (content_type) { |
| 2609 | case 0: |
| 2610 | /* V2ClientHello */ |
| 2611 | version = SSL2_VERSION; |
| 2612 | break; |
| 2613 | case SSL3_RT_HEADER: |
| 2614 | version = 0; |
| 2615 | break; |
| 2616 | default: |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 2617 | version = SSL_version(ssl); |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2618 | } |
| 2619 | |
| 2620 | ssl->msg_callback(is_write, version, content_type, buf, len, ssl, |
| 2621 | ssl->msg_callback_arg); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2622 | } |
| 2623 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2624 | int SSL_CTX_sess_connect(const SSL_CTX *ctx) { return 0; } |
| 2625 | int SSL_CTX_sess_connect_good(const SSL_CTX *ctx) { return 0; } |
| 2626 | int SSL_CTX_sess_connect_renegotiate(const SSL_CTX *ctx) { return 0; } |
| 2627 | int SSL_CTX_sess_accept(const SSL_CTX *ctx) { return 0; } |
| 2628 | int SSL_CTX_sess_accept_renegotiate(const SSL_CTX *ctx) { return 0; } |
| 2629 | int SSL_CTX_sess_accept_good(const SSL_CTX *ctx) { return 0; } |
| 2630 | int SSL_CTX_sess_hits(const SSL_CTX *ctx) { return 0; } |
| 2631 | int SSL_CTX_sess_cb_hits(const SSL_CTX *ctx) { return 0; } |
| 2632 | int SSL_CTX_sess_misses(const SSL_CTX *ctx) { return 0; } |
| 2633 | int SSL_CTX_sess_timeouts(const SSL_CTX *ctx) { return 0; } |
| 2634 | int SSL_CTX_sess_cache_full(const SSL_CTX *ctx) { return 0; } |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2635 | |
| 2636 | int SSL_num_renegotiations(const SSL *ssl) { |
| 2637 | return SSL_total_renegotiations(ssl); |
| 2638 | } |
| 2639 | |
| 2640 | int SSL_CTX_need_tmp_RSA(const SSL_CTX *ctx) { return 0; } |
| 2641 | int SSL_need_tmp_RSA(const SSL *ssl) { return 0; } |
| 2642 | int SSL_CTX_set_tmp_rsa(SSL_CTX *ctx, const RSA *rsa) { return 1; } |
| 2643 | int SSL_set_tmp_rsa(SSL *ssl, const RSA *rsa) { return 1; } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2644 | void ERR_load_SSL_strings(void) {} |
| 2645 | void SSL_load_error_strings(void) {} |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2646 | int SSL_cache_hit(SSL *ssl) { return SSL_session_reused(ssl); } |
| 2647 | |
| 2648 | int SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, const EC_KEY *ec_key) { |
| 2649 | if (ec_key == NULL || EC_KEY_get0_group(ec_key) == NULL) { |
| 2650 | OPENSSL_PUT_ERROR(SSL, ERR_R_PASSED_NULL_PARAMETER); |
| 2651 | return 0; |
| 2652 | } |
| 2653 | int nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec_key)); |
| 2654 | return SSL_CTX_set1_curves(ctx, &nid, 1); |
| 2655 | } |
| 2656 | |
| 2657 | int SSL_set_tmp_ecdh(SSL *ssl, const EC_KEY *ec_key) { |
| 2658 | if (ec_key == NULL || EC_KEY_get0_group(ec_key) == NULL) { |
| 2659 | OPENSSL_PUT_ERROR(SSL, ERR_R_PASSED_NULL_PARAMETER); |
| 2660 | return 0; |
| 2661 | } |
| 2662 | int nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec_key)); |
| 2663 | return SSL_set1_curves(ssl, &nid, 1); |
| 2664 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2665 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 2666 | void ssl_get_current_time(const SSL *ssl, struct OPENSSL_timeval *out_clock) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2667 | if (ssl->ctx->current_time_cb != NULL) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 2668 | /* TODO(davidben): Update current_time_cb to use OPENSSL_timeval. See |
| 2669 | * https://crbug.com/boringssl/155. */ |
| 2670 | struct timeval clock; |
| 2671 | ssl->ctx->current_time_cb(ssl, &clock); |
| 2672 | if (clock.tv_sec < 0) { |
| 2673 | assert(0); |
| 2674 | out_clock->tv_sec = 0; |
| 2675 | out_clock->tv_usec = 0; |
| 2676 | } else { |
| 2677 | out_clock->tv_sec = (uint64_t)clock.tv_sec; |
| 2678 | out_clock->tv_usec = (uint32_t)clock.tv_usec; |
| 2679 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2680 | return; |
| 2681 | } |
| 2682 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 2683 | #if defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE) |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 2684 | out_clock->tv_sec = 1234; |
| 2685 | out_clock->tv_usec = 1234; |
| 2686 | #elif defined(OPENSSL_WINDOWS) |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2687 | struct _timeb time; |
| 2688 | _ftime(&time); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 2689 | if (time.time < 0) { |
| 2690 | assert(0); |
| 2691 | out_clock->tv_sec = 0; |
| 2692 | out_clock->tv_usec = 0; |
| 2693 | } else { |
| 2694 | out_clock->tv_sec = time.time; |
| 2695 | out_clock->tv_usec = time.millitm * 1000; |
| 2696 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2697 | #else |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 2698 | struct timeval clock; |
| 2699 | gettimeofday(&clock, NULL); |
| 2700 | if (clock.tv_sec < 0) { |
| 2701 | assert(0); |
| 2702 | out_clock->tv_sec = 0; |
| 2703 | out_clock->tv_usec = 0; |
| 2704 | } else { |
| 2705 | out_clock->tv_sec = (uint64_t)clock.tv_sec; |
| 2706 | out_clock->tv_usec = (uint32_t)clock.tv_usec; |
| 2707 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2708 | #endif |
| 2709 | } |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2710 | |
| 2711 | int SSL_CTX_set_min_version(SSL_CTX *ctx, uint16_t version) { |
| 2712 | return SSL_CTX_set_min_proto_version(ctx, version); |
| 2713 | } |
| 2714 | |
| 2715 | int SSL_CTX_set_max_version(SSL_CTX *ctx, uint16_t version) { |
| 2716 | return SSL_CTX_set_max_proto_version(ctx, version); |
| 2717 | } |
| 2718 | |
| 2719 | int SSL_set_min_version(SSL *ssl, uint16_t version) { |
| 2720 | return SSL_set_min_proto_version(ssl, version); |
| 2721 | } |
| 2722 | |
| 2723 | int SSL_set_max_version(SSL *ssl, uint16_t version) { |
| 2724 | return SSL_set_max_proto_version(ssl, version); |
| 2725 | } |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 2726 | |
| 2727 | void SSL_CTX_set_ticket_aead_method(SSL_CTX *ctx, |
| 2728 | const SSL_TICKET_AEAD_METHOD *aead_method) { |
| 2729 | ctx->ticket_aead_method = aead_method; |
| 2730 | } |