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 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 165 | namespace bssl { |
| 166 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 167 | // |SSL_R_UNKNOWN_PROTOCOL| is no longer emitted, but continue to define it |
| 168 | // to avoid downstream churn. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 169 | OPENSSL_DECLARE_ERROR_REASON(SSL, UNKNOWN_PROTOCOL) |
| 170 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 171 | // The following errors are no longer emitted, but are used in nginx without |
| 172 | // #ifdefs. |
David Benjamin | f0c4a6c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 173 | OPENSSL_DECLARE_ERROR_REASON(SSL, BLOCK_CIPHER_PAD_IS_WRONG) |
| 174 | OPENSSL_DECLARE_ERROR_REASON(SSL, NO_CIPHERS_SPECIFIED) |
| 175 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 176 | // Some error codes are special. Ensure the make_errors.go script never |
| 177 | // regresses this. |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 178 | static_assert(SSL_R_TLSV1_ALERT_NO_RENEGOTIATION == |
| 179 | SSL_AD_NO_RENEGOTIATION + SSL_AD_REASON_OFFSET, |
| 180 | "alert reason code mismatch"); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 181 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 182 | // kMaxHandshakeSize is the maximum size, in bytes, of a handshake message. |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 183 | static const size_t kMaxHandshakeSize = (1u << 24) - 1; |
| 184 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 185 | static CRYPTO_EX_DATA_CLASS g_ex_data_class_ssl = |
| 186 | CRYPTO_EX_DATA_CLASS_INIT_WITH_APP_DATA; |
| 187 | static CRYPTO_EX_DATA_CLASS g_ex_data_class_ssl_ctx = |
| 188 | CRYPTO_EX_DATA_CLASS_INIT_WITH_APP_DATA; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 189 | |
Robert Sloan | 4562e9d | 2017-10-02 10:26:51 -0700 | [diff] [blame] | 190 | bool CBBFinishArray(CBB *cbb, Array<uint8_t> *out) { |
| 191 | uint8_t *ptr; |
| 192 | size_t len; |
| 193 | if (!CBB_finish(cbb, &ptr, &len)) { |
| 194 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
| 195 | return false; |
| 196 | } |
| 197 | out->Reset(ptr, len); |
| 198 | return true; |
| 199 | } |
| 200 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 201 | void ssl_reset_error_state(SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 202 | // Functions which use |SSL_get_error| must reset I/O and error state on |
| 203 | // entry. |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 204 | ssl->s3->rwstate = SSL_NOTHING; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 205 | ERR_clear_error(); |
| 206 | ERR_clear_system_error(); |
| 207 | } |
| 208 | |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 209 | void ssl_set_read_error(SSL* ssl) { |
| 210 | ssl->s3->read_shutdown = ssl_shutdown_error; |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 211 | ssl->s3->read_error.reset(ERR_save_state()); |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 212 | } |
| 213 | |
| 214 | static bool check_read_error(const SSL *ssl) { |
| 215 | if (ssl->s3->read_shutdown == ssl_shutdown_error) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 216 | ERR_restore_state(ssl->s3->read_error.get()); |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 217 | return false; |
| 218 | } |
| 219 | return true; |
| 220 | } |
| 221 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 222 | int ssl_can_write(const SSL *ssl) { |
| 223 | return !SSL_in_init(ssl) || ssl->s3->hs->can_early_write; |
| 224 | } |
| 225 | |
| 226 | int ssl_can_read(const SSL *ssl) { |
| 227 | return !SSL_in_init(ssl) || ssl->s3->hs->can_early_read; |
| 228 | } |
| 229 | |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 230 | ssl_open_record_t ssl_open_handshake(SSL *ssl, size_t *out_consumed, |
| 231 | uint8_t *out_alert, Span<uint8_t> in) { |
| 232 | *out_consumed = 0; |
| 233 | if (!check_read_error(ssl)) { |
| 234 | *out_alert = 0; |
| 235 | return ssl_open_record_error; |
| 236 | } |
| 237 | auto ret = ssl->method->open_handshake(ssl, out_consumed, out_alert, in); |
| 238 | if (ret == ssl_open_record_error) { |
| 239 | ssl_set_read_error(ssl); |
| 240 | } |
| 241 | return ret; |
| 242 | } |
| 243 | |
| 244 | ssl_open_record_t ssl_open_change_cipher_spec(SSL *ssl, size_t *out_consumed, |
| 245 | uint8_t *out_alert, |
| 246 | Span<uint8_t> in) { |
| 247 | *out_consumed = 0; |
| 248 | if (!check_read_error(ssl)) { |
| 249 | *out_alert = 0; |
| 250 | return ssl_open_record_error; |
| 251 | } |
| 252 | auto ret = |
| 253 | ssl->method->open_change_cipher_spec(ssl, out_consumed, out_alert, in); |
| 254 | if (ret == ssl_open_record_error) { |
| 255 | ssl_set_read_error(ssl); |
| 256 | } |
| 257 | return ret; |
| 258 | } |
| 259 | |
| 260 | ssl_open_record_t ssl_open_app_data(SSL *ssl, Span<uint8_t> *out, |
| 261 | size_t *out_consumed, uint8_t *out_alert, |
| 262 | Span<uint8_t> in) { |
| 263 | *out_consumed = 0; |
| 264 | if (!check_read_error(ssl)) { |
| 265 | *out_alert = 0; |
| 266 | return ssl_open_record_error; |
| 267 | } |
| 268 | auto ret = ssl->method->open_app_data(ssl, out, out_consumed, out_alert, in); |
| 269 | if (ret == ssl_open_record_error) { |
| 270 | ssl_set_read_error(ssl); |
| 271 | } |
| 272 | return ret; |
| 273 | } |
| 274 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 275 | void ssl_cipher_preference_list_free( |
| 276 | struct ssl_cipher_preference_list_st *cipher_list) { |
| 277 | if (cipher_list == NULL) { |
| 278 | return; |
| 279 | } |
| 280 | sk_SSL_CIPHER_free(cipher_list->ciphers); |
| 281 | OPENSSL_free(cipher_list->in_group_flags); |
| 282 | OPENSSL_free(cipher_list); |
| 283 | } |
| 284 | |
| 285 | void ssl_update_cache(SSL_HANDSHAKE *hs, int mode) { |
| 286 | SSL *const ssl = hs->ssl; |
| 287 | SSL_CTX *ctx = ssl->session_ctx; |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 288 | // Never cache sessions with empty session IDs. |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 289 | if (ssl->s3->established_session->session_id_length == 0 || |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 290 | ssl->s3->established_session->not_resumable || |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 291 | (ctx->session_cache_mode & mode) != mode) { |
| 292 | return; |
| 293 | } |
| 294 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 295 | // Clients never use the internal session cache. |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 296 | int use_internal_cache = ssl->server && !(ctx->session_cache_mode & |
| 297 | SSL_SESS_CACHE_NO_INTERNAL_STORE); |
| 298 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 299 | // A client may see new sessions on abbreviated handshakes if the server |
| 300 | // decides to renew the ticket. Once the handshake is completed, it should be |
| 301 | // inserted into the cache. |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 302 | if (ssl->s3->established_session.get() != ssl->session || |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 303 | (!ssl->server && hs->ticket_expected)) { |
| 304 | if (use_internal_cache) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 305 | SSL_CTX_add_session(ctx, ssl->s3->established_session.get()); |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 306 | } |
| 307 | if (ctx->new_session_cb != NULL) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 308 | SSL_SESSION_up_ref(ssl->s3->established_session.get()); |
| 309 | if (!ctx->new_session_cb(ssl, ssl->s3->established_session.get())) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 310 | // |new_session_cb|'s return value signals whether it took ownership. |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 311 | SSL_SESSION_free(ssl->s3->established_session.get()); |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 312 | } |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | if (use_internal_cache && |
| 317 | !(ctx->session_cache_mode & SSL_SESS_CACHE_NO_AUTO_CLEAR)) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 318 | // Automatically flush the internal session cache every 255 connections. |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 319 | int flush_cache = 0; |
| 320 | CRYPTO_MUTEX_lock_write(&ctx->lock); |
| 321 | ctx->handshakes_since_cache_flush++; |
| 322 | if (ctx->handshakes_since_cache_flush >= 255) { |
| 323 | flush_cache = 1; |
| 324 | ctx->handshakes_since_cache_flush = 0; |
| 325 | } |
| 326 | CRYPTO_MUTEX_unlock_write(&ctx->lock); |
| 327 | |
| 328 | if (flush_cache) { |
| 329 | struct OPENSSL_timeval now; |
| 330 | ssl_get_current_time(ssl, &now); |
| 331 | SSL_CTX_flush_sessions(ctx, now.tv_sec); |
| 332 | } |
| 333 | } |
| 334 | } |
| 335 | |
| 336 | static int cbb_add_hex(CBB *cbb, const uint8_t *in, size_t in_len) { |
| 337 | static const char hextable[] = "0123456789abcdef"; |
| 338 | uint8_t *out; |
| 339 | |
| 340 | if (!CBB_add_space(cbb, &out, in_len * 2)) { |
| 341 | return 0; |
| 342 | } |
| 343 | |
| 344 | for (size_t i = 0; i < in_len; i++) { |
| 345 | *(out++) = (uint8_t)hextable[in[i] >> 4]; |
| 346 | *(out++) = (uint8_t)hextable[in[i] & 0xf]; |
| 347 | } |
| 348 | |
| 349 | return 1; |
| 350 | } |
| 351 | |
| 352 | int ssl_log_secret(const SSL *ssl, const char *label, const uint8_t *secret, |
| 353 | size_t secret_len) { |
| 354 | if (ssl->ctx->keylog_callback == NULL) { |
| 355 | return 1; |
| 356 | } |
| 357 | |
| 358 | ScopedCBB cbb; |
| 359 | uint8_t *out; |
| 360 | size_t out_len; |
| 361 | if (!CBB_init(cbb.get(), strlen(label) + 1 + SSL3_RANDOM_SIZE * 2 + 1 + |
| 362 | secret_len * 2 + 1) || |
| 363 | !CBB_add_bytes(cbb.get(), (const uint8_t *)label, strlen(label)) || |
| 364 | !CBB_add_bytes(cbb.get(), (const uint8_t *)" ", 1) || |
| 365 | !cbb_add_hex(cbb.get(), ssl->s3->client_random, SSL3_RANDOM_SIZE) || |
| 366 | !CBB_add_bytes(cbb.get(), (const uint8_t *)" ", 1) || |
| 367 | !cbb_add_hex(cbb.get(), secret, secret_len) || |
| 368 | !CBB_add_u8(cbb.get(), 0 /* NUL */) || |
| 369 | !CBB_finish(cbb.get(), &out, &out_len)) { |
| 370 | return 0; |
| 371 | } |
| 372 | |
| 373 | ssl->ctx->keylog_callback(ssl, (const char *)out); |
| 374 | OPENSSL_free(out); |
| 375 | return 1; |
| 376 | } |
| 377 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 378 | void ssl_do_info_callback(const SSL *ssl, int type, int value) { |
| 379 | void (*cb)(const SSL *ssl, int type, int value) = NULL; |
| 380 | if (ssl->info_callback != NULL) { |
| 381 | cb = ssl->info_callback; |
| 382 | } else if (ssl->ctx->info_callback != NULL) { |
| 383 | cb = ssl->ctx->info_callback; |
| 384 | } |
| 385 | |
| 386 | if (cb != NULL) { |
| 387 | cb(ssl, type, value); |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | void ssl_do_msg_callback(SSL *ssl, int is_write, int content_type, |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 392 | Span<const uint8_t> in) { |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 393 | if (ssl->msg_callback == NULL) { |
| 394 | return; |
| 395 | } |
| 396 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 397 | // |version| is zero when calling for |SSL3_RT_HEADER| and |SSL2_VERSION| for |
| 398 | // a V2ClientHello. |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 399 | int version; |
| 400 | switch (content_type) { |
| 401 | case 0: |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 402 | // V2ClientHello |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 403 | version = SSL2_VERSION; |
| 404 | break; |
| 405 | case SSL3_RT_HEADER: |
| 406 | version = 0; |
| 407 | break; |
| 408 | default: |
| 409 | version = SSL_version(ssl); |
| 410 | } |
| 411 | |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 412 | ssl->msg_callback(is_write, version, content_type, in.data(), in.size(), ssl, |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 413 | ssl->msg_callback_arg); |
| 414 | } |
| 415 | |
| 416 | void ssl_get_current_time(const SSL *ssl, struct OPENSSL_timeval *out_clock) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 417 | // TODO(martinkr): Change callers to |ssl_ctx_get_current_time| and drop the |
| 418 | // |ssl| arg from |current_time_cb| if possible. |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 419 | ssl_ctx_get_current_time(ssl->ctx, out_clock); |
| 420 | } |
| 421 | |
| 422 | void ssl_ctx_get_current_time(const SSL_CTX *ctx, |
| 423 | struct OPENSSL_timeval *out_clock) { |
| 424 | if (ctx->current_time_cb != NULL) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 425 | // TODO(davidben): Update current_time_cb to use OPENSSL_timeval. See |
| 426 | // https://crbug.com/boringssl/155. |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 427 | struct timeval clock; |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 428 | ctx->current_time_cb(nullptr /* ssl */, &clock); |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 429 | if (clock.tv_sec < 0) { |
| 430 | assert(0); |
| 431 | out_clock->tv_sec = 0; |
| 432 | out_clock->tv_usec = 0; |
| 433 | } else { |
| 434 | out_clock->tv_sec = (uint64_t)clock.tv_sec; |
| 435 | out_clock->tv_usec = (uint32_t)clock.tv_usec; |
| 436 | } |
| 437 | return; |
| 438 | } |
| 439 | |
| 440 | #if defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE) |
| 441 | out_clock->tv_sec = 1234; |
| 442 | out_clock->tv_usec = 1234; |
| 443 | #elif defined(OPENSSL_WINDOWS) |
| 444 | struct _timeb time; |
| 445 | _ftime(&time); |
| 446 | if (time.time < 0) { |
| 447 | assert(0); |
| 448 | out_clock->tv_sec = 0; |
| 449 | out_clock->tv_usec = 0; |
| 450 | } else { |
| 451 | out_clock->tv_sec = time.time; |
| 452 | out_clock->tv_usec = time.millitm * 1000; |
| 453 | } |
| 454 | #else |
| 455 | struct timeval clock; |
| 456 | gettimeofday(&clock, NULL); |
| 457 | if (clock.tv_sec < 0) { |
| 458 | assert(0); |
| 459 | out_clock->tv_sec = 0; |
| 460 | out_clock->tv_usec = 0; |
| 461 | } else { |
| 462 | out_clock->tv_sec = (uint64_t)clock.tv_sec; |
| 463 | out_clock->tv_usec = (uint32_t)clock.tv_usec; |
| 464 | } |
| 465 | #endif |
| 466 | } |
| 467 | |
Robert Sloan | 8542c08 | 2018-02-05 09:07:34 -0800 | [diff] [blame] | 468 | void SSL_CTX_set_handoff_mode(SSL_CTX *ctx, bool on) { |
| 469 | ctx->handoff = on; |
| 470 | } |
| 471 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 472 | } // namespace bssl |
| 473 | |
| 474 | using namespace bssl; |
| 475 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 476 | int SSL_library_init(void) { |
| 477 | CRYPTO_library_init(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 478 | return 1; |
| 479 | } |
| 480 | |
Robert Sloan | 4562e9d | 2017-10-02 10:26:51 -0700 | [diff] [blame] | 481 | int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings) { |
| 482 | CRYPTO_library_init(); |
| 483 | return 1; |
| 484 | } |
| 485 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 486 | static uint32_t ssl_session_hash(const SSL_SESSION *sess) { |
| 487 | const uint8_t *session_id = sess->session_id; |
| 488 | |
| 489 | uint8_t tmp_storage[sizeof(uint32_t)]; |
| 490 | if (sess->session_id_length < sizeof(tmp_storage)) { |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 491 | OPENSSL_memset(tmp_storage, 0, sizeof(tmp_storage)); |
| 492 | OPENSSL_memcpy(tmp_storage, sess->session_id, sess->session_id_length); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 493 | session_id = tmp_storage; |
| 494 | } |
| 495 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 496 | uint32_t hash = |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 497 | ((uint32_t)session_id[0]) | |
| 498 | ((uint32_t)session_id[1] << 8) | |
| 499 | ((uint32_t)session_id[2] << 16) | |
| 500 | ((uint32_t)session_id[3] << 24); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 501 | |
| 502 | return hash; |
| 503 | } |
| 504 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 505 | // NB: If this function (or indeed the hash function which uses a sort of |
| 506 | // coarser function than this one) is changed, ensure |
| 507 | // SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being |
| 508 | // able to construct an SSL_SESSION that will collide with any existing session |
| 509 | // with a matching session ID. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 510 | static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b) { |
| 511 | if (a->ssl_version != b->ssl_version) { |
| 512 | return 1; |
| 513 | } |
| 514 | |
| 515 | if (a->session_id_length != b->session_id_length) { |
| 516 | return 1; |
| 517 | } |
| 518 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 519 | 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] | 520 | } |
| 521 | |
| 522 | SSL_CTX *SSL_CTX_new(const SSL_METHOD *method) { |
| 523 | SSL_CTX *ret = NULL; |
| 524 | |
| 525 | if (method == NULL) { |
| 526 | OPENSSL_PUT_ERROR(SSL, SSL_R_NULL_SSL_METHOD_PASSED); |
| 527 | return NULL; |
| 528 | } |
| 529 | |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 530 | ret = (SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX)); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 531 | if (ret == NULL) { |
| 532 | goto err; |
| 533 | } |
| 534 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 535 | OPENSSL_memset(ret, 0, sizeof(SSL_CTX)); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 536 | |
| 537 | ret->method = method->method; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 538 | ret->x509_method = method->x509_method; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 539 | |
| 540 | CRYPTO_MUTEX_init(&ret->lock); |
| 541 | |
| 542 | ret->session_cache_mode = SSL_SESS_CACHE_SERVER; |
| 543 | ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; |
| 544 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 545 | ret->session_timeout = SSL_DEFAULT_SESSION_TIMEOUT; |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 546 | ret->session_psk_dhe_timeout = SSL_DEFAULT_SESSION_PSK_DHE_TIMEOUT; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 547 | |
| 548 | ret->references = 1; |
| 549 | |
| 550 | ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT; |
| 551 | ret->verify_mode = SSL_VERIFY_NONE; |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 552 | ret->cert = ssl_cert_new(method->x509_method); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 553 | if (ret->cert == NULL) { |
| 554 | goto err; |
| 555 | } |
| 556 | |
| 557 | ret->sessions = lh_SSL_SESSION_new(ssl_session_hash, ssl_session_cmp); |
| 558 | if (ret->sessions == NULL) { |
| 559 | goto err; |
| 560 | } |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 561 | |
| 562 | if (!ret->x509_method->ssl_ctx_new(ret)) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 563 | goto err; |
| 564 | } |
| 565 | |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 566 | if (!SSL_CTX_set_strict_cipher_list(ret, SSL_DEFAULT_CIPHER_LIST)) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 567 | goto err2; |
| 568 | } |
| 569 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 570 | ret->client_CA = sk_CRYPTO_BUFFER_new_null(); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 571 | if (ret->client_CA == NULL) { |
| 572 | goto err; |
| 573 | } |
| 574 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 575 | CRYPTO_new_ex_data(&ret->ex_data); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 576 | |
| 577 | ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
| 578 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 579 | // Disable the auto-chaining feature by default. Once this has stuck without |
| 580 | // problems, the feature will be removed entirely. |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 581 | ret->mode = SSL_MODE_NO_AUTO_CHAIN; |
| 582 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 583 | // Lock the SSL_CTX to the specified version, for compatibility with legacy |
| 584 | // uses of SSL_METHOD, but we do not set the minimum version for |
| 585 | // |SSLv3_method|. |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 586 | if (!SSL_CTX_set_max_proto_version(ret, method->version) || |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 587 | !SSL_CTX_set_min_proto_version(ret, method->version == SSL3_VERSION |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 588 | ? 0 // default |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 589 | : method->version)) { |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 590 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
| 591 | goto err2; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 592 | } |
| 593 | |
| 594 | return ret; |
| 595 | |
| 596 | err: |
| 597 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
| 598 | err2: |
| 599 | SSL_CTX_free(ret); |
| 600 | return NULL; |
| 601 | } |
| 602 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 603 | int SSL_CTX_up_ref(SSL_CTX *ctx) { |
| 604 | CRYPTO_refcount_inc(&ctx->references); |
| 605 | return 1; |
| 606 | } |
| 607 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 608 | void SSL_CTX_free(SSL_CTX *ctx) { |
| 609 | if (ctx == NULL || |
| 610 | !CRYPTO_refcount_dec_and_test_zero(&ctx->references)) { |
| 611 | return; |
| 612 | } |
| 613 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 614 | // Free internal session cache. However: the remove_cb() may reference the |
| 615 | // ex_data of SSL_CTX, thus the ex_data store can only be removed after the |
| 616 | // sessions were flushed. As the ex_data handling routines might also touch |
| 617 | // the session cache, the most secure solution seems to be: empty (flush) the |
| 618 | // cache, then free ex_data, then finally free the cache. (See ticket |
| 619 | // [openssl.org #212].) |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 620 | SSL_CTX_flush_sessions(ctx, 0); |
| 621 | |
| 622 | CRYPTO_free_ex_data(&g_ex_data_class_ssl_ctx, ctx, &ctx->ex_data); |
| 623 | |
| 624 | CRYPTO_MUTEX_cleanup(&ctx->lock); |
| 625 | lh_SSL_SESSION_free(ctx->sessions); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 626 | ssl_cipher_preference_list_free(ctx->cipher_list); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 627 | ssl_cert_free(ctx->cert); |
| 628 | sk_SSL_CUSTOM_EXTENSION_pop_free(ctx->client_custom_extensions, |
| 629 | SSL_CUSTOM_EXTENSION_free); |
| 630 | sk_SSL_CUSTOM_EXTENSION_pop_free(ctx->server_custom_extensions, |
| 631 | SSL_CUSTOM_EXTENSION_free); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 632 | sk_CRYPTO_BUFFER_pop_free(ctx->client_CA, CRYPTO_BUFFER_free); |
| 633 | ctx->x509_method->ssl_ctx_free(ctx); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 634 | sk_SRTP_PROTECTION_PROFILE_free(ctx->srtp_profiles); |
| 635 | OPENSSL_free(ctx->psk_identity_hint); |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 636 | OPENSSL_free(ctx->supported_group_list); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 637 | OPENSSL_free(ctx->alpn_client_proto_list); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 638 | EVP_PKEY_free(ctx->tlsext_channel_id_private); |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 639 | OPENSSL_free(ctx->verify_sigalgs); |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 640 | OPENSSL_free(ctx->tlsext_ticket_key_current); |
| 641 | OPENSSL_free(ctx->tlsext_ticket_key_prev); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 642 | |
| 643 | OPENSSL_free(ctx); |
| 644 | } |
| 645 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 646 | SSL *SSL_new(SSL_CTX *ctx) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 647 | if (ctx == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 648 | OPENSSL_PUT_ERROR(SSL, SSL_R_NULL_SSL_CTX); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 649 | return NULL; |
| 650 | } |
| 651 | if (ctx->method == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 652 | 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] | 653 | return NULL; |
| 654 | } |
| 655 | |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 656 | SSL *ssl = (SSL *)OPENSSL_malloc(sizeof(SSL)); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 657 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 658 | goto err; |
| 659 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 660 | OPENSSL_memset(ssl, 0, sizeof(SSL)); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 661 | |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 662 | ssl->conf_min_version = ctx->conf_min_version; |
| 663 | ssl->conf_max_version = ctx->conf_max_version; |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 664 | ssl->tls13_variant = ctx->tls13_variant; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 665 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 666 | // RFC 6347 states that implementations SHOULD use an initial timer value of |
| 667 | // 1 second. |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 668 | ssl->initial_timeout_duration_ms = 1000; |
| 669 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 670 | ssl->options = ctx->options; |
| 671 | ssl->mode = ctx->mode; |
| 672 | ssl->max_cert_list = ctx->max_cert_list; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 673 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 674 | ssl->cert = ssl_cert_dup(ctx->cert); |
| 675 | if (ssl->cert == NULL) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 676 | goto err; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 677 | } |
| 678 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 679 | ssl->msg_callback = ctx->msg_callback; |
| 680 | ssl->msg_callback_arg = ctx->msg_callback_arg; |
| 681 | ssl->verify_mode = ctx->verify_mode; |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 682 | ssl->verify_callback = ctx->default_verify_callback; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 683 | ssl->custom_verify_callback = ctx->custom_verify_callback; |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 684 | ssl->retain_only_sha256_of_client_certs = |
| 685 | ctx->retain_only_sha256_of_client_certs; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 686 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 687 | ssl->quiet_shutdown = ctx->quiet_shutdown; |
| 688 | ssl->max_send_fragment = ctx->max_send_fragment; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 689 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 690 | SSL_CTX_up_ref(ctx); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 691 | ssl->ctx = ctx; |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 692 | SSL_CTX_up_ref(ctx); |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 693 | ssl->session_ctx = ctx; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 694 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 695 | if (!ssl->ctx->x509_method->ssl_new(ssl)) { |
| 696 | goto err; |
| 697 | } |
| 698 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 699 | if (ctx->supported_group_list) { |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 700 | ssl->supported_group_list = (uint16_t *)BUF_memdup( |
| 701 | ctx->supported_group_list, ctx->supported_group_list_len * 2); |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 702 | if (!ssl->supported_group_list) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 703 | goto err; |
| 704 | } |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 705 | ssl->supported_group_list_len = ctx->supported_group_list_len; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 706 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 707 | |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 708 | if (ctx->alpn_client_proto_list) { |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 709 | ssl->alpn_client_proto_list = (uint8_t *)BUF_memdup( |
| 710 | ctx->alpn_client_proto_list, ctx->alpn_client_proto_list_len); |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 711 | if (ssl->alpn_client_proto_list == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 712 | goto err; |
| 713 | } |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 714 | ssl->alpn_client_proto_list_len = ctx->alpn_client_proto_list_len; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 715 | } |
| 716 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 717 | ssl->method = ctx->method; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 718 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 719 | if (!ssl->method->ssl_new(ssl)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 720 | goto err; |
| 721 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 722 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 723 | CRYPTO_new_ex_data(&ssl->ex_data); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 724 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 725 | ssl->psk_identity_hint = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 726 | if (ctx->psk_identity_hint) { |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 727 | ssl->psk_identity_hint = BUF_strdup(ctx->psk_identity_hint); |
| 728 | if (ssl->psk_identity_hint == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 729 | goto err; |
| 730 | } |
| 731 | } |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 732 | ssl->psk_client_callback = ctx->psk_client_callback; |
| 733 | ssl->psk_server_callback = ctx->psk_server_callback; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 734 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 735 | ssl->tlsext_channel_id_enabled = ctx->tlsext_channel_id_enabled; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 736 | if (ctx->tlsext_channel_id_private) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 737 | EVP_PKEY_up_ref(ctx->tlsext_channel_id_private); |
| 738 | ssl->tlsext_channel_id_private = ctx->tlsext_channel_id_private; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 739 | } |
| 740 | |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 741 | ssl->signed_cert_timestamps_enabled = ctx->signed_cert_timestamps_enabled; |
| 742 | ssl->ocsp_stapling_enabled = ctx->ocsp_stapling_enabled; |
Robert Sloan | 8542c08 | 2018-02-05 09:07:34 -0800 | [diff] [blame] | 743 | ssl->handoff = ctx->handoff; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 744 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 745 | return ssl; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 746 | |
| 747 | err: |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 748 | SSL_free(ssl); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 749 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 750 | |
| 751 | return NULL; |
| 752 | } |
| 753 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 754 | void SSL_free(SSL *ssl) { |
| 755 | if (ssl == NULL) { |
| 756 | return; |
| 757 | } |
| 758 | |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 759 | if (ssl->ctx != NULL) { |
| 760 | ssl->ctx->x509_method->ssl_free(ssl); |
| 761 | } |
| 762 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 763 | CRYPTO_free_ex_data(&g_ex_data_class_ssl, ssl, &ssl->ex_data); |
| 764 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 765 | BIO_free_all(ssl->rbio); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 766 | BIO_free_all(ssl->wbio); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 767 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 768 | // add extra stuff |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 769 | ssl_cipher_preference_list_free(ssl->cipher_list); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 770 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 771 | SSL_SESSION_free(ssl->session); |
| 772 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 773 | ssl_cert_free(ssl->cert); |
| 774 | |
| 775 | OPENSSL_free(ssl->tlsext_hostname); |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 776 | SSL_CTX_free(ssl->session_ctx); |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 777 | OPENSSL_free(ssl->supported_group_list); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 778 | OPENSSL_free(ssl->alpn_client_proto_list); |
Robert Sloan | 978112c | 2018-01-22 12:53:01 -0800 | [diff] [blame] | 779 | OPENSSL_free(ssl->token_binding_params); |
Robert Sloan | 8542c08 | 2018-02-05 09:07:34 -0800 | [diff] [blame] | 780 | OPENSSL_free(ssl->quic_transport_params); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 781 | EVP_PKEY_free(ssl->tlsext_channel_id_private); |
| 782 | OPENSSL_free(ssl->psk_identity_hint); |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 783 | sk_CRYPTO_BUFFER_pop_free(ssl->client_CA, CRYPTO_BUFFER_free); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 784 | sk_SRTP_PROTECTION_PROFILE_free(ssl->srtp_profiles); |
| 785 | |
| 786 | if (ssl->method != NULL) { |
| 787 | ssl->method->ssl_free(ssl); |
| 788 | } |
| 789 | SSL_CTX_free(ssl->ctx); |
| 790 | |
| 791 | OPENSSL_free(ssl); |
| 792 | } |
| 793 | |
| 794 | void SSL_set_connect_state(SSL *ssl) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 795 | ssl->server = false; |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 796 | ssl->do_handshake = ssl_client_handshake; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 797 | } |
| 798 | |
| 799 | void SSL_set_accept_state(SSL *ssl) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 800 | ssl->server = true; |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 801 | ssl->do_handshake = ssl_server_handshake; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 802 | } |
| 803 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 804 | void SSL_set0_rbio(SSL *ssl, BIO *rbio) { |
| 805 | BIO_free_all(ssl->rbio); |
| 806 | ssl->rbio = rbio; |
| 807 | } |
| 808 | |
| 809 | void SSL_set0_wbio(SSL *ssl, BIO *wbio) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 810 | BIO_free_all(ssl->wbio); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 811 | ssl->wbio = wbio; |
| 812 | } |
| 813 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 814 | void SSL_set_bio(SSL *ssl, BIO *rbio, BIO *wbio) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 815 | // For historical reasons, this function has many different cases in ownership |
| 816 | // handling. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 817 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 818 | // If nothing has changed, do nothing |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 819 | if (rbio == SSL_get_rbio(ssl) && wbio == SSL_get_wbio(ssl)) { |
| 820 | return; |
| 821 | } |
| 822 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 823 | // If the two arguments are equal, one fewer reference is granted than |
| 824 | // taken. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 825 | if (rbio != NULL && rbio == wbio) { |
| 826 | BIO_up_ref(rbio); |
| 827 | } |
| 828 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 829 | // If only the wbio is changed, adopt only one reference. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 830 | if (rbio == SSL_get_rbio(ssl)) { |
| 831 | SSL_set0_wbio(ssl, wbio); |
| 832 | return; |
| 833 | } |
| 834 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 835 | // There is an asymmetry here for historical reasons. If only the rbio is |
| 836 | // changed AND the rbio and wbio were originally different, then we only adopt |
| 837 | // one reference. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 838 | if (wbio == SSL_get_wbio(ssl) && SSL_get_rbio(ssl) != SSL_get_wbio(ssl)) { |
| 839 | SSL_set0_rbio(ssl, rbio); |
| 840 | return; |
| 841 | } |
| 842 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 843 | // Otherwise, adopt both references. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 844 | SSL_set0_rbio(ssl, rbio); |
| 845 | SSL_set0_wbio(ssl, wbio); |
| 846 | } |
| 847 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 848 | BIO *SSL_get_rbio(const SSL *ssl) { return ssl->rbio; } |
| 849 | |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 850 | BIO *SSL_get_wbio(const SSL *ssl) { return ssl->wbio; } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 851 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 852 | int SSL_do_handshake(SSL *ssl) { |
| 853 | ssl_reset_error_state(ssl); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 854 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 855 | if (ssl->do_handshake == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 856 | OPENSSL_PUT_ERROR(SSL, SSL_R_CONNECTION_TYPE_NOT_SET); |
| 857 | return -1; |
| 858 | } |
| 859 | |
| 860 | if (!SSL_in_init(ssl)) { |
| 861 | return 1; |
| 862 | } |
| 863 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 864 | // Run the handshake. |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 865 | SSL_HANDSHAKE *hs = ssl->s3->hs.get(); |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 866 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 867 | bool early_return = false; |
| 868 | int ret = ssl_run_handshake(hs, &early_return); |
| 869 | ssl_do_info_callback( |
| 870 | ssl, ssl->server ? SSL_CB_ACCEPT_EXIT : SSL_CB_CONNECT_EXIT, ret); |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 871 | if (ret <= 0) { |
| 872 | return ret; |
| 873 | } |
| 874 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 875 | // Destroy the handshake object if the handshake has completely finished. |
| 876 | if (!early_return) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 877 | ssl->s3->hs.reset(); |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 878 | } |
| 879 | |
| 880 | return 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 881 | } |
| 882 | |
| 883 | int SSL_connect(SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 884 | if (ssl->do_handshake == NULL) { |
| 885 | // Not properly initialized yet |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 886 | SSL_set_connect_state(ssl); |
| 887 | } |
| 888 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 889 | return SSL_do_handshake(ssl); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 890 | } |
| 891 | |
| 892 | int SSL_accept(SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 893 | if (ssl->do_handshake == NULL) { |
| 894 | // Not properly initialized yet |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 895 | SSL_set_accept_state(ssl); |
| 896 | } |
| 897 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 898 | return SSL_do_handshake(ssl); |
| 899 | } |
| 900 | |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 901 | static int ssl_do_post_handshake(SSL *ssl, const SSLMessage &msg) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 902 | if (ssl_protocol_version(ssl) >= TLS1_3_VERSION) { |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 903 | return tls13_post_handshake(ssl, msg); |
| 904 | } |
| 905 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 906 | // We do not accept renegotiations as a server or SSL 3.0. SSL 3.0 will be |
| 907 | // removed entirely in the future and requires retaining more data for |
| 908 | // renegotiation_info. |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 909 | if (ssl->server || ssl->version == SSL3_VERSION) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 910 | goto no_renegotiation; |
| 911 | } |
| 912 | |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 913 | if (msg.type != SSL3_MT_HELLO_REQUEST || CBS_len(&msg.body) != 0) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 914 | ssl_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_DECODE_ERROR); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 915 | OPENSSL_PUT_ERROR(SSL, SSL_R_BAD_HELLO_REQUEST); |
| 916 | return 0; |
| 917 | } |
| 918 | |
| 919 | switch (ssl->renegotiate_mode) { |
| 920 | case ssl_renegotiate_ignore: |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 921 | // Ignore the HelloRequest. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 922 | return 1; |
| 923 | |
| 924 | case ssl_renegotiate_once: |
| 925 | if (ssl->s3->total_renegotiations != 0) { |
| 926 | goto no_renegotiation; |
| 927 | } |
| 928 | break; |
| 929 | |
| 930 | case ssl_renegotiate_never: |
| 931 | goto no_renegotiation; |
| 932 | |
| 933 | case ssl_renegotiate_freely: |
| 934 | break; |
| 935 | } |
| 936 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 937 | // Renegotiation is only supported at quiescent points in the application |
| 938 | // protocol, namely in HTTPS, just before reading the HTTP response. Require |
| 939 | // the record-layer be idle and avoid complexities of sending a handshake |
| 940 | // record while an application_data record is being written. |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 941 | if (!ssl->s3->write_buffer.empty() || |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 942 | ssl->s3->write_shutdown != ssl_shutdown_none) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 943 | goto no_renegotiation; |
| 944 | } |
| 945 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 946 | // Begin a new handshake. |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 947 | if (ssl->s3->hs != nullptr) { |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 948 | OPENSSL_PUT_ERROR(SSL, ERR_R_INTERNAL_ERROR); |
| 949 | return 0; |
| 950 | } |
| 951 | ssl->s3->hs = ssl_handshake_new(ssl); |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 952 | if (ssl->s3->hs == nullptr) { |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 953 | return 0; |
| 954 | } |
| 955 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 956 | ssl->s3->total_renegotiations++; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 957 | return 1; |
| 958 | |
| 959 | no_renegotiation: |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 960 | OPENSSL_PUT_ERROR(SSL, SSL_R_NO_RENEGOTIATION); |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 961 | ssl_send_alert(ssl, SSL3_AL_FATAL, SSL_AD_NO_RENEGOTIATION); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 962 | return 0; |
| 963 | } |
| 964 | |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 965 | static int ssl_read_impl(SSL *ssl) { |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 966 | ssl_reset_error_state(ssl); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 967 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 968 | if (ssl->do_handshake == NULL) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 969 | OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 970 | return -1; |
| 971 | } |
| 972 | |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 973 | // Replay post-handshake message errors. |
| 974 | if (!check_read_error(ssl)) { |
| 975 | return -1; |
| 976 | } |
| 977 | |
| 978 | while (ssl->s3->pending_app_data.empty()) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 979 | // Complete the current handshake, if any. False Start will cause |
| 980 | // |SSL_do_handshake| to return mid-handshake, so this may require multiple |
| 981 | // iterations. |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 982 | while (!ssl_can_read(ssl)) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 983 | int ret = SSL_do_handshake(ssl); |
| 984 | if (ret < 0) { |
| 985 | return ret; |
| 986 | } |
| 987 | if (ret == 0) { |
| 988 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_HANDSHAKE_FAILURE); |
| 989 | return -1; |
| 990 | } |
| 991 | } |
| 992 | |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 993 | // Process any buffered post-handshake messages. |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 994 | SSLMessage msg; |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 995 | if (ssl->method->get_message(ssl, &msg)) { |
Robert Sloan | b1b54b8 | 2017-11-06 13:50:02 -0800 | [diff] [blame] | 996 | // If we received an interrupt in early read (EndOfEarlyData), loop again |
| 997 | // for the handshake to process it. |
| 998 | if (SSL_in_init(ssl)) { |
| 999 | ssl->s3->hs->can_early_read = false; |
| 1000 | continue; |
| 1001 | } |
| 1002 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1003 | // Handle the post-handshake message and try again. |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 1004 | if (!ssl_do_post_handshake(ssl, msg)) { |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1005 | ssl_set_read_error(ssl); |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 1006 | return -1; |
| 1007 | } |
| 1008 | ssl->method->next_message(ssl); |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1009 | continue; // Loop again. We may have begun a new handshake. |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1010 | } |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1011 | |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1012 | uint8_t alert = SSL_AD_DECODE_ERROR; |
| 1013 | size_t consumed = 0; |
| 1014 | auto ret = ssl_open_app_data(ssl, &ssl->s3->pending_app_data, &consumed, |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 1015 | &alert, ssl->s3->read_buffer.span()); |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1016 | bool retry; |
| 1017 | int bio_ret = ssl_handle_open_record(ssl, &retry, ret, consumed, alert); |
| 1018 | if (bio_ret <= 0) { |
| 1019 | return bio_ret; |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1020 | } |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1021 | if (!retry) { |
| 1022 | assert(!ssl->s3->pending_app_data.empty()); |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1023 | ssl->s3->key_update_count = 0; |
| 1024 | } |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1025 | } |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1026 | |
| 1027 | return 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1028 | } |
| 1029 | |
| 1030 | int SSL_read(SSL *ssl, void *buf, int num) { |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1031 | int ret = SSL_peek(ssl, buf, num); |
| 1032 | if (ret <= 0) { |
| 1033 | return ret; |
| 1034 | } |
| 1035 | // TODO(davidben): In DTLS, should the rest of the record be discarded? DTLS |
| 1036 | // is not a stream. See https://crbug.com/boringssl/65. |
| 1037 | ssl->s3->pending_app_data = |
| 1038 | ssl->s3->pending_app_data.subspan(static_cast<size_t>(ret)); |
| 1039 | if (ssl->s3->pending_app_data.empty()) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 1040 | ssl->s3->read_buffer.DiscardConsumed(); |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1041 | } |
| 1042 | return ret; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1043 | } |
| 1044 | |
| 1045 | int SSL_peek(SSL *ssl, void *buf, int num) { |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1046 | int ret = ssl_read_impl(ssl); |
| 1047 | if (ret <= 0) { |
| 1048 | return ret; |
| 1049 | } |
| 1050 | if (num <= 0) { |
| 1051 | return num; |
| 1052 | } |
| 1053 | size_t todo = |
| 1054 | std::min(ssl->s3->pending_app_data.size(), static_cast<size_t>(num)); |
| 1055 | OPENSSL_memcpy(buf, ssl->s3->pending_app_data.data(), todo); |
| 1056 | return static_cast<int>(todo); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1057 | } |
| 1058 | |
| 1059 | int SSL_write(SSL *ssl, const void *buf, int num) { |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1060 | ssl_reset_error_state(ssl); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1061 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1062 | if (ssl->do_handshake == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1063 | OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED); |
| 1064 | return -1; |
| 1065 | } |
| 1066 | |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1067 | if (ssl->s3->write_shutdown != ssl_shutdown_none) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1068 | OPENSSL_PUT_ERROR(SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
| 1069 | return -1; |
| 1070 | } |
| 1071 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1072 | int ret = 0; |
| 1073 | bool needs_handshake = false; |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1074 | do { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1075 | // If necessary, complete the handshake implicitly. |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1076 | if (!ssl_can_write(ssl)) { |
| 1077 | ret = SSL_do_handshake(ssl); |
| 1078 | if (ret < 0) { |
| 1079 | return ret; |
| 1080 | } |
| 1081 | if (ret == 0) { |
| 1082 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_HANDSHAKE_FAILURE); |
| 1083 | return -1; |
| 1084 | } |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1085 | } |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1086 | |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1087 | ret = ssl->method->write_app_data(ssl, &needs_handshake, |
| 1088 | (const uint8_t *)buf, num); |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1089 | } while (needs_handshake); |
| 1090 | return ret; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1091 | } |
| 1092 | |
| 1093 | int SSL_shutdown(SSL *ssl) { |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1094 | ssl_reset_error_state(ssl); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1095 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1096 | if (ssl->do_handshake == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1097 | OPENSSL_PUT_ERROR(SSL, SSL_R_UNINITIALIZED); |
| 1098 | return -1; |
| 1099 | } |
| 1100 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1101 | // If we are in the middle of a handshake, silently succeed. Consumers often |
| 1102 | // call this function before |SSL_free|, whether the handshake succeeded or |
| 1103 | // not. We assume the caller has already handled failed handshakes. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1104 | if (SSL_in_init(ssl)) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1105 | return 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1106 | } |
| 1107 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1108 | if (ssl->quiet_shutdown) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1109 | // Do nothing if configured not to send a close_notify. |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1110 | ssl->s3->write_shutdown = ssl_shutdown_close_notify; |
| 1111 | ssl->s3->read_shutdown = ssl_shutdown_close_notify; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1112 | return 1; |
| 1113 | } |
| 1114 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1115 | // This function completes in two stages. It sends a close_notify and then it |
| 1116 | // waits for a close_notify to come in. Perform exactly one action and return |
| 1117 | // whether or not it succeeds. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1118 | |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1119 | if (ssl->s3->write_shutdown != ssl_shutdown_close_notify) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1120 | // Send a close_notify. |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1121 | if (ssl_send_alert(ssl, SSL3_AL_WARNING, SSL_AD_CLOSE_NOTIFY) <= 0) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1122 | return -1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1123 | } |
| 1124 | } else if (ssl->s3->alert_dispatch) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1125 | // Finish sending the close_notify. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1126 | if (ssl->method->dispatch_alert(ssl) <= 0) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1127 | return -1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1128 | } |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1129 | } else if (ssl->s3->read_shutdown != ssl_shutdown_close_notify) { |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1130 | if (SSL_is_dtls(ssl)) { |
| 1131 | // Bidirectional shutdown doesn't make sense for an unordered |
| 1132 | // transport. DTLS alerts also aren't delivered reliably, so we may even |
| 1133 | // time out because the peer never received our close_notify. Report to |
| 1134 | // the caller that the channel has fully shut down. |
| 1135 | if (ssl->s3->read_shutdown == ssl_shutdown_error) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 1136 | ERR_restore_state(ssl->s3->read_error.get()); |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1137 | return -1; |
| 1138 | } |
| 1139 | ssl->s3->read_shutdown = ssl_shutdown_close_notify; |
| 1140 | } else { |
| 1141 | // Keep discarding data until we see a close_notify. |
| 1142 | for (;;) { |
| 1143 | ssl->s3->pending_app_data = Span<uint8_t>(); |
| 1144 | int ret = ssl_read_impl(ssl); |
| 1145 | if (ret <= 0) { |
| 1146 | break; |
| 1147 | } |
| 1148 | } |
| 1149 | if (ssl->s3->read_shutdown != ssl_shutdown_close_notify) { |
| 1150 | return -1; |
| 1151 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1152 | } |
| 1153 | } |
| 1154 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1155 | // Return 0 for unidirectional shutdown and 1 for bidirectional shutdown. |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1156 | return ssl->s3->read_shutdown == ssl_shutdown_close_notify; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1157 | } |
| 1158 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1159 | int SSL_send_fatal_alert(SSL *ssl, uint8_t alert) { |
| 1160 | if (ssl->s3->alert_dispatch) { |
| 1161 | if (ssl->s3->send_alert[0] != SSL3_AL_FATAL || |
| 1162 | ssl->s3->send_alert[1] != alert) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1163 | // We are already attempting to write a different alert. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1164 | OPENSSL_PUT_ERROR(SSL, SSL_R_PROTOCOL_IS_SHUTDOWN); |
| 1165 | return -1; |
| 1166 | } |
| 1167 | return ssl->method->dispatch_alert(ssl); |
| 1168 | } |
| 1169 | |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1170 | return ssl_send_alert(ssl, SSL3_AL_FATAL, alert); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1171 | } |
| 1172 | |
Robert Sloan | 8542c08 | 2018-02-05 09:07:34 -0800 | [diff] [blame] | 1173 | int SSL_set_quic_transport_params(SSL *ssl, const uint8_t *params, |
| 1174 | size_t params_len) { |
| 1175 | ssl->quic_transport_params = (uint8_t *)BUF_memdup(params, params_len); |
| 1176 | if (!ssl->quic_transport_params) { |
| 1177 | return 0; |
| 1178 | } |
| 1179 | ssl->quic_transport_params_len = params_len; |
| 1180 | return 1; |
| 1181 | } |
| 1182 | |
| 1183 | void SSL_get_peer_quic_transport_params(const SSL *ssl, |
| 1184 | const uint8_t **out_params, |
| 1185 | size_t *out_params_len) { |
| 1186 | *out_params = ssl->s3->peer_quic_transport_params.data(); |
| 1187 | *out_params_len = ssl->s3->peer_quic_transport_params.size(); |
| 1188 | } |
| 1189 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1190 | void SSL_CTX_set_early_data_enabled(SSL_CTX *ctx, int enabled) { |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 1191 | ctx->cert->enable_early_data = !!enabled; |
| 1192 | } |
| 1193 | |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1194 | void SSL_CTX_set_tls13_variant(SSL_CTX *ctx, enum tls13_variant_t variant) { |
| 1195 | ctx->tls13_variant = variant; |
| 1196 | } |
| 1197 | |
| 1198 | void SSL_set_tls13_variant(SSL *ssl, enum tls13_variant_t variant) { |
| 1199 | ssl->tls13_variant = variant; |
| 1200 | } |
| 1201 | |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 1202 | void SSL_set_early_data_enabled(SSL *ssl, int enabled) { |
| 1203 | ssl->cert->enable_early_data = !!enabled; |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1204 | } |
| 1205 | |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1206 | int SSL_in_early_data(const SSL *ssl) { |
| 1207 | if (ssl->s3->hs == NULL) { |
| 1208 | return 0; |
| 1209 | } |
| 1210 | return ssl->s3->hs->in_early_data; |
| 1211 | } |
| 1212 | |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 1213 | int SSL_early_data_accepted(const SSL *ssl) { |
Robert Sloan | 0da4395 | 2018-01-03 15:13:14 -0800 | [diff] [blame] | 1214 | return ssl->s3->early_data_accepted; |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 1215 | } |
| 1216 | |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1217 | void SSL_reset_early_data_reject(SSL *ssl) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 1218 | SSL_HANDSHAKE *hs = ssl->s3->hs.get(); |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1219 | if (hs == NULL || |
| 1220 | hs->wait != ssl_hs_early_data_rejected) { |
| 1221 | abort(); |
| 1222 | } |
| 1223 | |
| 1224 | hs->wait = ssl_hs_ok; |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1225 | hs->in_early_data = false; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 1226 | hs->early_session.reset(); |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1227 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1228 | // Discard any unfinished writes from the perspective of |SSL_write|'s |
| 1229 | // retry. The handshake will transparently flush out the pending record |
| 1230 | // (discarded by the server) to keep the framing correct. |
| 1231 | ssl->s3->wpend_pending = false; |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1232 | } |
| 1233 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1234 | static int bio_retry_reason_to_error(int reason) { |
| 1235 | switch (reason) { |
| 1236 | case BIO_RR_CONNECT: |
| 1237 | return SSL_ERROR_WANT_CONNECT; |
| 1238 | case BIO_RR_ACCEPT: |
| 1239 | return SSL_ERROR_WANT_ACCEPT; |
| 1240 | default: |
| 1241 | return SSL_ERROR_SYSCALL; |
| 1242 | } |
| 1243 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1244 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1245 | int SSL_get_error(const SSL *ssl, int ret_code) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1246 | if (ret_code > 0) { |
| 1247 | return SSL_ERROR_NONE; |
| 1248 | } |
| 1249 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1250 | // Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc, |
| 1251 | // where we do encode the error |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1252 | uint32_t err = ERR_peek_error(); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1253 | if (err != 0) { |
| 1254 | if (ERR_GET_LIB(err) == ERR_LIB_SYS) { |
| 1255 | return SSL_ERROR_SYSCALL; |
| 1256 | } |
| 1257 | return SSL_ERROR_SSL; |
| 1258 | } |
| 1259 | |
| 1260 | if (ret_code == 0) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1261 | if (ssl->s3->read_shutdown == ssl_shutdown_close_notify) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1262 | return SSL_ERROR_ZERO_RETURN; |
| 1263 | } |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1264 | // An EOF was observed which violates the protocol, and the underlying |
| 1265 | // transport does not participate in the error queue. Bubble up to the |
| 1266 | // caller. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1267 | return SSL_ERROR_SYSCALL; |
| 1268 | } |
| 1269 | |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 1270 | switch (ssl->s3->rwstate) { |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1271 | case SSL_PENDING_SESSION: |
| 1272 | return SSL_ERROR_PENDING_SESSION; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1273 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1274 | case SSL_CERTIFICATE_SELECTION_PENDING: |
| 1275 | return SSL_ERROR_PENDING_CERTIFICATE; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1276 | |
Robert Sloan | 8542c08 | 2018-02-05 09:07:34 -0800 | [diff] [blame] | 1277 | case SSL_HANDOFF: |
| 1278 | return SSL_ERROR_HANDOFF; |
| 1279 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1280 | case SSL_READING: { |
| 1281 | BIO *bio = SSL_get_rbio(ssl); |
| 1282 | if (BIO_should_read(bio)) { |
| 1283 | return SSL_ERROR_WANT_READ; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1284 | } |
| 1285 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1286 | if (BIO_should_write(bio)) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1287 | // TODO(davidben): OpenSSL historically checked for writes on the read |
| 1288 | // BIO. Can this be removed? |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1289 | return SSL_ERROR_WANT_WRITE; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1290 | } |
| 1291 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1292 | if (BIO_should_io_special(bio)) { |
| 1293 | return bio_retry_reason_to_error(BIO_get_retry_reason(bio)); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1294 | } |
| 1295 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1296 | break; |
| 1297 | } |
| 1298 | |
| 1299 | case SSL_WRITING: { |
| 1300 | BIO *bio = SSL_get_wbio(ssl); |
| 1301 | if (BIO_should_write(bio)) { |
| 1302 | return SSL_ERROR_WANT_WRITE; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1303 | } |
| 1304 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1305 | if (BIO_should_read(bio)) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1306 | // TODO(davidben): OpenSSL historically checked for reads on the write |
| 1307 | // BIO. Can this be removed? |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1308 | return SSL_ERROR_WANT_READ; |
| 1309 | } |
| 1310 | |
| 1311 | if (BIO_should_io_special(bio)) { |
| 1312 | return bio_retry_reason_to_error(BIO_get_retry_reason(bio)); |
| 1313 | } |
| 1314 | |
| 1315 | break; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1316 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1317 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1318 | case SSL_X509_LOOKUP: |
| 1319 | return SSL_ERROR_WANT_X509_LOOKUP; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1320 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1321 | case SSL_CHANNEL_ID_LOOKUP: |
| 1322 | return SSL_ERROR_WANT_CHANNEL_ID_LOOKUP; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1323 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1324 | case SSL_PRIVATE_KEY_OPERATION: |
| 1325 | return SSL_ERROR_WANT_PRIVATE_KEY_OPERATION; |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 1326 | |
| 1327 | case SSL_PENDING_TICKET: |
| 1328 | return SSL_ERROR_PENDING_TICKET; |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1329 | |
| 1330 | case SSL_EARLY_DATA_REJECTED: |
| 1331 | return SSL_ERROR_EARLY_DATA_REJECTED; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 1332 | |
| 1333 | case SSL_CERTIFICATE_VERIFY: |
| 1334 | return SSL_ERROR_WANT_CERTIFICATE_VERIFY; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1335 | } |
| 1336 | |
| 1337 | return SSL_ERROR_SYSCALL; |
| 1338 | } |
| 1339 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1340 | uint32_t SSL_CTX_set_options(SSL_CTX *ctx, uint32_t options) { |
| 1341 | ctx->options |= options; |
| 1342 | return ctx->options; |
| 1343 | } |
| 1344 | |
| 1345 | uint32_t SSL_CTX_clear_options(SSL_CTX *ctx, uint32_t options) { |
| 1346 | ctx->options &= ~options; |
| 1347 | return ctx->options; |
| 1348 | } |
| 1349 | |
| 1350 | uint32_t SSL_CTX_get_options(const SSL_CTX *ctx) { return ctx->options; } |
| 1351 | |
| 1352 | uint32_t SSL_set_options(SSL *ssl, uint32_t options) { |
| 1353 | ssl->options |= options; |
| 1354 | return ssl->options; |
| 1355 | } |
| 1356 | |
| 1357 | uint32_t SSL_clear_options(SSL *ssl, uint32_t options) { |
| 1358 | ssl->options &= ~options; |
| 1359 | return ssl->options; |
| 1360 | } |
| 1361 | |
| 1362 | uint32_t SSL_get_options(const SSL *ssl) { return ssl->options; } |
| 1363 | |
| 1364 | uint32_t SSL_CTX_set_mode(SSL_CTX *ctx, uint32_t mode) { |
| 1365 | ctx->mode |= mode; |
| 1366 | return ctx->mode; |
| 1367 | } |
| 1368 | |
| 1369 | uint32_t SSL_CTX_clear_mode(SSL_CTX *ctx, uint32_t mode) { |
| 1370 | ctx->mode &= ~mode; |
| 1371 | return ctx->mode; |
| 1372 | } |
| 1373 | |
| 1374 | uint32_t SSL_CTX_get_mode(const SSL_CTX *ctx) { return ctx->mode; } |
| 1375 | |
| 1376 | uint32_t SSL_set_mode(SSL *ssl, uint32_t mode) { |
| 1377 | ssl->mode |= mode; |
| 1378 | return ssl->mode; |
| 1379 | } |
| 1380 | |
| 1381 | uint32_t SSL_clear_mode(SSL *ssl, uint32_t mode) { |
| 1382 | ssl->mode &= ~mode; |
| 1383 | return ssl->mode; |
| 1384 | } |
| 1385 | |
| 1386 | uint32_t SSL_get_mode(const SSL *ssl) { return ssl->mode; } |
| 1387 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1388 | void SSL_CTX_set0_buffer_pool(SSL_CTX *ctx, CRYPTO_BUFFER_POOL *pool) { |
| 1389 | ctx->pool = pool; |
| 1390 | } |
| 1391 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1392 | int SSL_get_tls_unique(const SSL *ssl, uint8_t *out, size_t *out_len, |
| 1393 | size_t max_out) { |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1394 | *out_len = 0; |
| 1395 | OPENSSL_memset(out, 0, max_out); |
| 1396 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1397 | // tls-unique is not defined for SSL 3.0 or TLS 1.3. |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1398 | if (!ssl->s3->initial_handshake_complete || |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1399 | ssl_protocol_version(ssl) < TLS1_VERSION || |
| 1400 | ssl_protocol_version(ssl) >= TLS1_3_VERSION) { |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1401 | return 0; |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1402 | } |
| 1403 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1404 | // The tls-unique value is the first Finished message in the handshake, which |
| 1405 | // is the client's in a full handshake and the server's for a resumption. See |
| 1406 | // https://tools.ietf.org/html/rfc5929#section-3.1. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1407 | const uint8_t *finished = ssl->s3->previous_client_finished; |
| 1408 | size_t finished_len = ssl->s3->previous_client_finished_len; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1409 | if (ssl->session != NULL) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1410 | // tls-unique is broken for resumed sessions unless EMS is used. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1411 | if (!ssl->session->extended_master_secret) { |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1412 | return 0; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1413 | } |
| 1414 | finished = ssl->s3->previous_server_finished; |
| 1415 | finished_len = ssl->s3->previous_server_finished_len; |
| 1416 | } |
| 1417 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1418 | *out_len = finished_len; |
| 1419 | if (finished_len > max_out) { |
| 1420 | *out_len = max_out; |
| 1421 | } |
| 1422 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1423 | OPENSSL_memcpy(out, finished, *out_len); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1424 | return 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1425 | } |
| 1426 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1427 | 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] | 1428 | size_t sid_ctx_len) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1429 | if (sid_ctx_len > sizeof(cert->sid_ctx)) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1430 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1431 | return 0; |
| 1432 | } |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 1433 | |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1434 | static_assert(sizeof(cert->sid_ctx) < 256, "sid_ctx too large"); |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1435 | cert->sid_ctx_length = (uint8_t)sid_ctx_len; |
| 1436 | OPENSSL_memcpy(cert->sid_ctx, sid_ctx, sid_ctx_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1437 | return 1; |
| 1438 | } |
| 1439 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1440 | int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const uint8_t *sid_ctx, |
| 1441 | size_t sid_ctx_len) { |
| 1442 | return set_session_id_context(ctx->cert, sid_ctx, sid_ctx_len); |
| 1443 | } |
| 1444 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1445 | 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] | 1446 | size_t sid_ctx_len) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1447 | return set_session_id_context(ssl->cert, sid_ctx, sid_ctx_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1448 | } |
| 1449 | |
David Benjamin | f31229b | 2017-01-25 14:08:15 -0500 | [diff] [blame] | 1450 | 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] | 1451 | *out_len = ssl->cert->sid_ctx_length; |
| 1452 | return ssl->cert->sid_ctx; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1453 | } |
| 1454 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1455 | void SSL_certs_clear(SSL *ssl) { ssl_cert_clear_certs(ssl->cert); } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1456 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1457 | int SSL_get_fd(const SSL *ssl) { return SSL_get_rfd(ssl); } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1458 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1459 | int SSL_get_rfd(const SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1460 | int ret = -1; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1461 | BIO *b = BIO_find_type(SSL_get_rbio(ssl), BIO_TYPE_DESCRIPTOR); |
| 1462 | if (b != NULL) { |
| 1463 | BIO_get_fd(b, &ret); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1464 | } |
| 1465 | return ret; |
| 1466 | } |
| 1467 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1468 | int SSL_get_wfd(const SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1469 | int ret = -1; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1470 | BIO *b = BIO_find_type(SSL_get_wbio(ssl), BIO_TYPE_DESCRIPTOR); |
| 1471 | if (b != NULL) { |
| 1472 | BIO_get_fd(b, &ret); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1473 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1474 | return ret; |
| 1475 | } |
| 1476 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1477 | int SSL_set_fd(SSL *ssl, int fd) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1478 | BIO *bio = BIO_new(BIO_s_socket()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1479 | if (bio == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1480 | OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1481 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1482 | } |
| 1483 | BIO_set_fd(bio, fd, BIO_NOCLOSE); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1484 | SSL_set_bio(ssl, bio, bio); |
| 1485 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1486 | } |
| 1487 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1488 | int SSL_set_wfd(SSL *ssl, int fd) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1489 | BIO *rbio = SSL_get_rbio(ssl); |
| 1490 | if (rbio == NULL || BIO_method_type(rbio) != BIO_TYPE_SOCKET || |
| 1491 | BIO_get_fd(rbio, NULL) != fd) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1492 | BIO *bio = BIO_new(BIO_s_socket()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1493 | if (bio == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1494 | OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1495 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1496 | } |
| 1497 | BIO_set_fd(bio, fd, BIO_NOCLOSE); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1498 | SSL_set0_wbio(ssl, bio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1499 | } else { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1500 | // Copy the rbio over to the wbio. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1501 | BIO_up_ref(rbio); |
| 1502 | SSL_set0_wbio(ssl, rbio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1503 | } |
| 1504 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1505 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1506 | } |
| 1507 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1508 | int SSL_set_rfd(SSL *ssl, int fd) { |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 1509 | BIO *wbio = SSL_get_wbio(ssl); |
| 1510 | if (wbio == NULL || BIO_method_type(wbio) != BIO_TYPE_SOCKET || |
| 1511 | BIO_get_fd(wbio, NULL) != fd) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1512 | BIO *bio = BIO_new(BIO_s_socket()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1513 | if (bio == NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1514 | OPENSSL_PUT_ERROR(SSL, ERR_R_BUF_LIB); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1515 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1516 | } |
| 1517 | BIO_set_fd(bio, fd, BIO_NOCLOSE); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1518 | SSL_set0_rbio(ssl, bio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1519 | } else { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1520 | // Copy the wbio over to the rbio. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1521 | BIO_up_ref(wbio); |
| 1522 | SSL_set0_rbio(ssl, wbio); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1523 | } |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1524 | return 1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1525 | } |
| 1526 | |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1527 | static size_t copy_finished(void *out, size_t out_len, const uint8_t *in, |
| 1528 | size_t in_len) { |
| 1529 | if (out_len > in_len) { |
| 1530 | out_len = in_len; |
| 1531 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 1532 | OPENSSL_memcpy(out, in, out_len); |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1533 | return in_len; |
| 1534 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1535 | |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1536 | size_t SSL_get_finished(const SSL *ssl, void *buf, size_t count) { |
| 1537 | if (!ssl->s3->initial_handshake_complete || |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1538 | ssl_protocol_version(ssl) < TLS1_VERSION || |
| 1539 | ssl_protocol_version(ssl) >= TLS1_3_VERSION) { |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1540 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1541 | } |
| 1542 | |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1543 | if (ssl->server) { |
| 1544 | return copy_finished(buf, count, ssl->s3->previous_server_finished, |
| 1545 | ssl->s3->previous_server_finished_len); |
| 1546 | } |
| 1547 | |
| 1548 | return copy_finished(buf, count, ssl->s3->previous_client_finished, |
| 1549 | ssl->s3->previous_client_finished_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1550 | } |
| 1551 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1552 | 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] | 1553 | if (!ssl->s3->initial_handshake_complete || |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1554 | ssl_protocol_version(ssl) < TLS1_VERSION || |
| 1555 | ssl_protocol_version(ssl) >= TLS1_3_VERSION) { |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1556 | return 0; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1557 | } |
| 1558 | |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 1559 | if (ssl->server) { |
| 1560 | return copy_finished(buf, count, ssl->s3->previous_client_finished, |
| 1561 | ssl->s3->previous_client_finished_len); |
| 1562 | } |
| 1563 | |
| 1564 | return copy_finished(buf, count, ssl->s3->previous_server_finished, |
| 1565 | ssl->s3->previous_server_finished_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1566 | } |
| 1567 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1568 | int SSL_get_verify_mode(const SSL *ssl) { return ssl->verify_mode; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1569 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1570 | int SSL_get_extms_support(const SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1571 | // TLS 1.3 does not require extended master secret and always reports as |
| 1572 | // supporting it. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1573 | if (!ssl->s3->have_version) { |
| 1574 | return 0; |
| 1575 | } |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1576 | if (ssl_protocol_version(ssl) >= TLS1_3_VERSION) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1577 | return 1; |
| 1578 | } |
| 1579 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1580 | // If the initial handshake completed, query the established session. |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1581 | if (ssl->s3->established_session != NULL) { |
| 1582 | return ssl->s3->established_session->extended_master_secret; |
| 1583 | } |
| 1584 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1585 | // Otherwise, query the in-progress handshake. |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1586 | if (ssl->s3->hs != NULL) { |
| 1587 | return ssl->s3->hs->extended_master_secret; |
| 1588 | } |
| 1589 | assert(0); |
| 1590 | return 0; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1591 | } |
| 1592 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1593 | int SSL_CTX_get_read_ahead(const SSL_CTX *ctx) { return 0; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1594 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 1595 | int SSL_get_read_ahead(const SSL *ssl) { return 0; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1596 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1597 | void SSL_CTX_set_read_ahead(SSL_CTX *ctx, int yes) { } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1598 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 1599 | void SSL_set_read_ahead(SSL *ssl, int yes) { } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1600 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1601 | int SSL_pending(const SSL *ssl) { |
Robert Sloan | 3627296 | 2017-10-23 10:28:39 -0700 | [diff] [blame] | 1602 | return static_cast<int>(ssl->s3->pending_app_data.size()); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1603 | } |
| 1604 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1605 | // Fix this so it checks all the valid key/cert options |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1606 | int SSL_CTX_check_private_key(const SSL_CTX *ctx) { |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 1607 | return ssl_cert_check_private_key(ctx->cert, ctx->cert->privatekey); |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 1608 | } |
| 1609 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1610 | // Fix this function so that it takes an optional type parameter |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 1611 | int SSL_check_private_key(const SSL *ssl) { |
Robert Sloan | 4d1ac50 | 2017-02-06 08:36:14 -0800 | [diff] [blame] | 1612 | return ssl_cert_check_private_key(ssl->cert, ssl->cert->privatekey); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1613 | } |
| 1614 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1615 | long SSL_get_default_timeout(const SSL *ssl) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1616 | return SSL_DEFAULT_SESSION_TIMEOUT; |
| 1617 | } |
| 1618 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1619 | int SSL_renegotiate(SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1620 | // Caller-initiated renegotiation is not supported. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1621 | OPENSSL_PUT_ERROR(SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 1622 | return 0; |
| 1623 | } |
| 1624 | |
| 1625 | int SSL_renegotiate_pending(SSL *ssl) { |
| 1626 | return SSL_in_init(ssl) && ssl->s3->initial_handshake_complete; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1627 | } |
| 1628 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1629 | int SSL_total_renegotiations(const SSL *ssl) { |
| 1630 | return ssl->s3->total_renegotiations; |
| 1631 | } |
| 1632 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1633 | size_t SSL_CTX_get_max_cert_list(const SSL_CTX *ctx) { |
| 1634 | return ctx->max_cert_list; |
| 1635 | } |
| 1636 | |
| 1637 | void SSL_CTX_set_max_cert_list(SSL_CTX *ctx, size_t max_cert_list) { |
| 1638 | if (max_cert_list > kMaxHandshakeSize) { |
| 1639 | max_cert_list = kMaxHandshakeSize; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1640 | } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1641 | ctx->max_cert_list = (uint32_t)max_cert_list; |
| 1642 | } |
| 1643 | |
| 1644 | size_t SSL_get_max_cert_list(const SSL *ssl) { |
| 1645 | return ssl->max_cert_list; |
| 1646 | } |
| 1647 | |
| 1648 | void SSL_set_max_cert_list(SSL *ssl, size_t max_cert_list) { |
| 1649 | if (max_cert_list > kMaxHandshakeSize) { |
| 1650 | max_cert_list = kMaxHandshakeSize; |
| 1651 | } |
| 1652 | ssl->max_cert_list = (uint32_t)max_cert_list; |
| 1653 | } |
| 1654 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1655 | 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] | 1656 | if (max_send_fragment < 512) { |
| 1657 | max_send_fragment = 512; |
| 1658 | } |
| 1659 | if (max_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) { |
| 1660 | max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
| 1661 | } |
| 1662 | ctx->max_send_fragment = (uint16_t)max_send_fragment; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1663 | |
| 1664 | return 1; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1665 | } |
| 1666 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1667 | 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] | 1668 | if (max_send_fragment < 512) { |
| 1669 | max_send_fragment = 512; |
| 1670 | } |
| 1671 | if (max_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) { |
| 1672 | max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; |
| 1673 | } |
| 1674 | ssl->max_send_fragment = (uint16_t)max_send_fragment; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 1675 | |
| 1676 | return 1; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1677 | } |
| 1678 | |
| 1679 | int SSL_set_mtu(SSL *ssl, unsigned mtu) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1680 | if (!SSL_is_dtls(ssl) || mtu < dtls1_min_mtu()) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1681 | return 0; |
| 1682 | } |
| 1683 | ssl->d1->mtu = mtu; |
| 1684 | return 1; |
| 1685 | } |
| 1686 | |
| 1687 | int SSL_get_secure_renegotiation_support(const SSL *ssl) { |
Steven Valdez | b0b45c6 | 2017-01-17 16:23:54 -0500 | [diff] [blame] | 1688 | if (!ssl->s3->have_version) { |
| 1689 | return 0; |
| 1690 | } |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1691 | return ssl_protocol_version(ssl) >= TLS1_3_VERSION || |
Steven Valdez | b0b45c6 | 2017-01-17 16:23:54 -0500 | [diff] [blame] | 1692 | ssl->s3->send_connection_binding; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1693 | } |
| 1694 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1695 | size_t SSL_CTX_sess_number(const SSL_CTX *ctx) { |
Robert Sloan | 4562e9d | 2017-10-02 10:26:51 -0700 | [diff] [blame] | 1696 | MutexReadLock lock(const_cast<CRYPTO_MUTEX *>(&ctx->lock)); |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1697 | return lh_SSL_SESSION_num_items(ctx->sessions); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1698 | } |
| 1699 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1700 | unsigned long SSL_CTX_sess_set_cache_size(SSL_CTX *ctx, unsigned long size) { |
| 1701 | unsigned long ret = ctx->session_cache_size; |
| 1702 | ctx->session_cache_size = size; |
| 1703 | return ret; |
| 1704 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1705 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 1706 | unsigned long SSL_CTX_sess_get_cache_size(const SSL_CTX *ctx) { |
| 1707 | return ctx->session_cache_size; |
| 1708 | } |
| 1709 | |
| 1710 | int SSL_CTX_set_session_cache_mode(SSL_CTX *ctx, int mode) { |
| 1711 | int ret = ctx->session_cache_mode; |
| 1712 | ctx->session_cache_mode = mode; |
| 1713 | return ret; |
| 1714 | } |
| 1715 | |
| 1716 | int SSL_CTX_get_session_cache_mode(const SSL_CTX *ctx) { |
| 1717 | return ctx->session_cache_mode; |
| 1718 | } |
| 1719 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1720 | |
| 1721 | int SSL_CTX_get_tlsext_ticket_keys(SSL_CTX *ctx, void *out, size_t len) { |
| 1722 | if (out == NULL) { |
| 1723 | return 48; |
| 1724 | } |
| 1725 | if (len != 48) { |
| 1726 | OPENSSL_PUT_ERROR(SSL, SSL_R_INVALID_TICKET_KEYS_LENGTH); |
| 1727 | return 0; |
| 1728 | } |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1729 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1730 | // The default ticket keys are initialized lazily. Trigger a key |
| 1731 | // rotation to initialize them. |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1732 | if (!ssl_ctx_rotate_ticket_encryption_key(ctx)) { |
| 1733 | return 0; |
| 1734 | } |
| 1735 | |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1736 | uint8_t *out_bytes = reinterpret_cast<uint8_t *>(out); |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1737 | MutexReadLock lock(&ctx->lock); |
| 1738 | OPENSSL_memcpy(out_bytes, ctx->tlsext_ticket_key_current->name, 16); |
| 1739 | OPENSSL_memcpy(out_bytes + 16, ctx->tlsext_ticket_key_current->hmac_key, 16); |
| 1740 | OPENSSL_memcpy(out_bytes + 32, ctx->tlsext_ticket_key_current->aes_key, 16); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1741 | return 1; |
| 1742 | } |
| 1743 | |
| 1744 | int SSL_CTX_set_tlsext_ticket_keys(SSL_CTX *ctx, const void *in, size_t len) { |
| 1745 | if (in == NULL) { |
| 1746 | return 48; |
| 1747 | } |
| 1748 | if (len != 48) { |
| 1749 | OPENSSL_PUT_ERROR(SSL, SSL_R_INVALID_TICKET_KEYS_LENGTH); |
| 1750 | return 0; |
| 1751 | } |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1752 | if (!ctx->tlsext_ticket_key_current) { |
| 1753 | ctx->tlsext_ticket_key_current = |
| 1754 | (tlsext_ticket_key *)OPENSSL_malloc(sizeof(tlsext_ticket_key)); |
| 1755 | if (!ctx->tlsext_ticket_key_current) { |
| 1756 | return 0; |
| 1757 | } |
| 1758 | } |
| 1759 | OPENSSL_memset(ctx->tlsext_ticket_key_current, 0, sizeof(tlsext_ticket_key)); |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 1760 | const uint8_t *in_bytes = reinterpret_cast<const uint8_t *>(in); |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1761 | OPENSSL_memcpy(ctx->tlsext_ticket_key_current->name, in_bytes, 16); |
| 1762 | OPENSSL_memcpy(ctx->tlsext_ticket_key_current->hmac_key, in_bytes + 16, 16); |
| 1763 | OPENSSL_memcpy(ctx->tlsext_ticket_key_current->aes_key, in_bytes + 32, 16); |
| 1764 | OPENSSL_free(ctx->tlsext_ticket_key_prev); |
| 1765 | ctx->tlsext_ticket_key_prev = nullptr; |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1766 | // Disable automatic key rotation. |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1767 | ctx->tlsext_ticket_key_current->next_rotation_tv_sec = 0; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1768 | return 1; |
| 1769 | } |
| 1770 | |
| 1771 | int SSL_CTX_set_tlsext_ticket_key_cb( |
| 1772 | SSL_CTX *ctx, int (*callback)(SSL *ssl, uint8_t *key_name, uint8_t *iv, |
| 1773 | EVP_CIPHER_CTX *ctx, HMAC_CTX *hmac_ctx, |
| 1774 | int encrypt)) { |
| 1775 | ctx->tlsext_ticket_key_cb = callback; |
| 1776 | return 1; |
| 1777 | } |
| 1778 | |
| 1779 | int SSL_CTX_set1_curves(SSL_CTX *ctx, const int *curves, size_t curves_len) { |
| 1780 | return tls1_set_curves(&ctx->supported_group_list, |
| 1781 | &ctx->supported_group_list_len, curves, |
| 1782 | curves_len); |
| 1783 | } |
| 1784 | |
| 1785 | int SSL_set1_curves(SSL *ssl, const int *curves, size_t curves_len) { |
| 1786 | return tls1_set_curves(&ssl->supported_group_list, |
| 1787 | &ssl->supported_group_list_len, curves, |
| 1788 | curves_len); |
| 1789 | } |
| 1790 | |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 1791 | int SSL_CTX_set1_curves_list(SSL_CTX *ctx, const char *curves) { |
| 1792 | return tls1_set_curves_list(&ctx->supported_group_list, |
| 1793 | &ctx->supported_group_list_len, curves); |
| 1794 | } |
| 1795 | |
| 1796 | int SSL_set1_curves_list(SSL *ssl, const char *curves) { |
| 1797 | return tls1_set_curves_list(&ssl->supported_group_list, |
| 1798 | &ssl->supported_group_list_len, curves); |
| 1799 | } |
| 1800 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1801 | uint16_t SSL_get_curve_id(const SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1802 | // TODO(davidben): This checks the wrong session if there is a renegotiation |
| 1803 | // in progress. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1804 | SSL_SESSION *session = SSL_get_session(ssl); |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1805 | if (session == NULL) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1806 | return 0; |
| 1807 | } |
| 1808 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 1809 | return session->group_id; |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1810 | } |
| 1811 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1812 | int SSL_CTX_set_tmp_dh(SSL_CTX *ctx, const DH *dh) { |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1813 | return 1; |
| 1814 | } |
| 1815 | |
| 1816 | int SSL_set_tmp_dh(SSL *ssl, const DH *dh) { |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1817 | return 1; |
| 1818 | } |
| 1819 | |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 1820 | STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx) { |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1821 | return ctx->cipher_list->ciphers; |
| 1822 | } |
| 1823 | |
Robert Sloan | 8437709 | 2017-08-14 09:33:19 -0700 | [diff] [blame] | 1824 | int SSL_CTX_cipher_in_group(const SSL_CTX *ctx, size_t i) { |
| 1825 | if (i >= sk_SSL_CIPHER_num(ctx->cipher_list->ciphers)) { |
| 1826 | return 0; |
| 1827 | } |
| 1828 | return ctx->cipher_list->in_group_flags[i]; |
| 1829 | } |
| 1830 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1831 | STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *ssl) { |
| 1832 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1833 | return NULL; |
| 1834 | } |
| 1835 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 1836 | const struct ssl_cipher_preference_list_st *prefs = |
| 1837 | ssl_get_cipher_preferences(ssl); |
| 1838 | if (prefs == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1839 | return NULL; |
| 1840 | } |
| 1841 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 1842 | return prefs->ciphers; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1843 | } |
| 1844 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1845 | const char *SSL_get_cipher_list(const SSL *ssl, int n) { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1846 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1847 | return NULL; |
| 1848 | } |
| 1849 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1850 | STACK_OF(SSL_CIPHER) *sk = SSL_get_ciphers(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1851 | if (sk == NULL || n < 0 || (size_t)n >= sk_SSL_CIPHER_num(sk)) { |
| 1852 | return NULL; |
| 1853 | } |
| 1854 | |
Robert Sloan | 7d422bc | 2017-03-06 10:04:29 -0800 | [diff] [blame] | 1855 | const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, n); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1856 | if (c == NULL) { |
| 1857 | return NULL; |
| 1858 | } |
| 1859 | |
| 1860 | return c->name; |
| 1861 | } |
| 1862 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1863 | int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) { |
Robert Sloan | b1b54b8 | 2017-11-06 13:50:02 -0800 | [diff] [blame] | 1864 | return ssl_create_cipher_list(&ctx->cipher_list, str, false /* not strict */); |
Robert Sloan | 7c50ec5 | 2017-02-27 08:17:21 -0800 | [diff] [blame] | 1865 | } |
| 1866 | |
| 1867 | int SSL_CTX_set_strict_cipher_list(SSL_CTX *ctx, const char *str) { |
Robert Sloan | b1b54b8 | 2017-11-06 13:50:02 -0800 | [diff] [blame] | 1868 | return ssl_create_cipher_list(&ctx->cipher_list, str, true /* strict */); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 1869 | } |
| 1870 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1871 | int SSL_set_cipher_list(SSL *ssl, const char *str) { |
Robert Sloan | b1b54b8 | 2017-11-06 13:50:02 -0800 | [diff] [blame] | 1872 | return ssl_create_cipher_list(&ssl->cipher_list, str, false /* not strict */); |
Robert Sloan | 7c50ec5 | 2017-02-27 08:17:21 -0800 | [diff] [blame] | 1873 | } |
| 1874 | |
| 1875 | int SSL_set_strict_cipher_list(SSL *ssl, const char *str) { |
Robert Sloan | b1b54b8 | 2017-11-06 13:50:02 -0800 | [diff] [blame] | 1876 | return ssl_create_cipher_list(&ssl->cipher_list, str, true /* strict */); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1877 | } |
| 1878 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1879 | const char *SSL_get_servername(const SSL *ssl, const int type) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1880 | if (type != TLSEXT_NAMETYPE_host_name) { |
| 1881 | return NULL; |
| 1882 | } |
| 1883 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1884 | // Historically, |SSL_get_servername| was also the configuration getter |
| 1885 | // corresponding to |SSL_set_tlsext_host_name|. |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1886 | if (ssl->tlsext_hostname != NULL) { |
| 1887 | return ssl->tlsext_hostname; |
| 1888 | } |
| 1889 | |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 1890 | return ssl->s3->hostname.get(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1891 | } |
| 1892 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 1893 | int SSL_get_servername_type(const SSL *ssl) { |
Robert Sloan | d1d118f | 2017-09-11 09:00:48 -0700 | [diff] [blame] | 1894 | if (SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name) == NULL) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1895 | return -1; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1896 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1897 | return TLSEXT_NAMETYPE_host_name; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1898 | } |
| 1899 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 1900 | void SSL_CTX_set_custom_verify( |
| 1901 | SSL_CTX *ctx, int mode, |
| 1902 | enum ssl_verify_result_t (*callback)(SSL *ssl, uint8_t *out_alert)) { |
| 1903 | ctx->verify_mode = mode; |
| 1904 | ctx->custom_verify_callback = callback; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1905 | } |
| 1906 | |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 1907 | void SSL_set_custom_verify( |
| 1908 | SSL *ssl, int mode, |
| 1909 | enum ssl_verify_result_t (*callback)(SSL *ssl, uint8_t *out_alert)) { |
| 1910 | ssl->verify_mode = mode; |
| 1911 | ssl->custom_verify_callback = callback; |
| 1912 | } |
| 1913 | |
| 1914 | void SSL_CTX_enable_signed_cert_timestamps(SSL_CTX *ctx) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1915 | ctx->signed_cert_timestamps_enabled = true; |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 1916 | } |
| 1917 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1918 | void SSL_enable_signed_cert_timestamps(SSL *ssl) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1919 | ssl->signed_cert_timestamps_enabled = true; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1920 | } |
| 1921 | |
| 1922 | void SSL_CTX_enable_ocsp_stapling(SSL_CTX *ctx) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1923 | ctx->ocsp_stapling_enabled = true; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1924 | } |
| 1925 | |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 1926 | void SSL_enable_ocsp_stapling(SSL *ssl) { |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 1927 | ssl->ocsp_stapling_enabled = true; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1928 | } |
| 1929 | |
| 1930 | void SSL_get0_signed_cert_timestamp_list(const SSL *ssl, const uint8_t **out, |
| 1931 | size_t *out_len) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1932 | SSL_SESSION *session = SSL_get_session(ssl); |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1933 | if (ssl->server || !session || !session->signed_cert_timestamp_list) { |
| 1934 | *out_len = 0; |
| 1935 | *out = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1936 | return; |
| 1937 | } |
| 1938 | |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1939 | *out = CRYPTO_BUFFER_data(session->signed_cert_timestamp_list); |
| 1940 | *out_len = CRYPTO_BUFFER_len(session->signed_cert_timestamp_list); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1941 | } |
| 1942 | |
| 1943 | void SSL_get0_ocsp_response(const SSL *ssl, const uint8_t **out, |
| 1944 | size_t *out_len) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 1945 | SSL_SESSION *session = SSL_get_session(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1946 | if (ssl->server || !session || !session->ocsp_response) { |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1947 | *out_len = 0; |
| 1948 | *out = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1949 | return; |
| 1950 | } |
Robert Sloan | 8f860b1 | 2017-08-28 07:37:06 -0700 | [diff] [blame] | 1951 | |
| 1952 | *out = CRYPTO_BUFFER_data(session->ocsp_response); |
| 1953 | *out_len = CRYPTO_BUFFER_len(session->ocsp_response); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1954 | } |
| 1955 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 1956 | int SSL_set_tlsext_host_name(SSL *ssl, const char *name) { |
| 1957 | OPENSSL_free(ssl->tlsext_hostname); |
| 1958 | ssl->tlsext_hostname = NULL; |
| 1959 | |
| 1960 | if (name == NULL) { |
| 1961 | return 1; |
| 1962 | } |
| 1963 | |
| 1964 | size_t len = strlen(name); |
| 1965 | if (len == 0 || len > TLSEXT_MAXLEN_host_name) { |
| 1966 | OPENSSL_PUT_ERROR(SSL, SSL_R_SSL3_EXT_INVALID_SERVERNAME); |
| 1967 | return 0; |
| 1968 | } |
| 1969 | ssl->tlsext_hostname = BUF_strdup(name); |
| 1970 | if (ssl->tlsext_hostname == NULL) { |
| 1971 | OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE); |
| 1972 | return 0; |
| 1973 | } |
| 1974 | return 1; |
| 1975 | } |
| 1976 | |
| 1977 | int SSL_CTX_set_tlsext_servername_callback( |
| 1978 | SSL_CTX *ctx, int (*callback)(SSL *ssl, int *out_alert, void *arg)) { |
| 1979 | ctx->tlsext_servername_callback = callback; |
| 1980 | return 1; |
| 1981 | } |
| 1982 | |
| 1983 | int SSL_CTX_set_tlsext_servername_arg(SSL_CTX *ctx, void *arg) { |
| 1984 | ctx->tlsext_servername_arg = arg; |
| 1985 | return 1; |
| 1986 | } |
| 1987 | |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1988 | int SSL_select_next_proto(uint8_t **out, uint8_t *out_len, const uint8_t *peer, |
| 1989 | unsigned peer_len, const uint8_t *supported, |
| 1990 | unsigned supported_len) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1991 | const uint8_t *result; |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1992 | int status; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1993 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1994 | // For each protocol in peer preference order, see if we support it. |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 1995 | for (unsigned i = 0; i < peer_len;) { |
| 1996 | for (unsigned j = 0; j < supported_len;) { |
| 1997 | if (peer[i] == supported[j] && |
| 1998 | OPENSSL_memcmp(&peer[i + 1], &supported[j + 1], peer[i]) == 0) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 1999 | // We found a match |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2000 | result = &peer[i]; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2001 | status = OPENSSL_NPN_NEGOTIATED; |
| 2002 | goto found; |
| 2003 | } |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2004 | j += supported[j]; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2005 | j++; |
| 2006 | } |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2007 | i += peer[i]; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2008 | i++; |
| 2009 | } |
| 2010 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2011 | // There's no overlap between our protocols and the peer's list. |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2012 | result = supported; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2013 | status = OPENSSL_NPN_NO_OVERLAP; |
| 2014 | |
| 2015 | found: |
| 2016 | *out = (uint8_t *)result + 1; |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2017 | *out_len = result[0]; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2018 | return status; |
| 2019 | } |
| 2020 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2021 | void SSL_get0_next_proto_negotiated(const SSL *ssl, const uint8_t **out_data, |
| 2022 | unsigned *out_len) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2023 | *out_data = ssl->s3->next_proto_negotiated.data(); |
| 2024 | *out_len = ssl->s3->next_proto_negotiated.size(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2025 | } |
| 2026 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2027 | void SSL_CTX_set_next_protos_advertised_cb( |
| 2028 | SSL_CTX *ctx, |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2029 | 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] | 2030 | void *arg) { |
| 2031 | ctx->next_protos_advertised_cb = cb; |
| 2032 | ctx->next_protos_advertised_cb_arg = arg; |
| 2033 | } |
| 2034 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2035 | void SSL_CTX_set_next_proto_select_cb( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2036 | SSL_CTX *ctx, int (*cb)(SSL *ssl, uint8_t **out, uint8_t *out_len, |
| 2037 | const uint8_t *in, unsigned in_len, void *arg), |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2038 | void *arg) { |
| 2039 | ctx->next_proto_select_cb = cb; |
| 2040 | ctx->next_proto_select_cb_arg = arg; |
| 2041 | } |
| 2042 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2043 | int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const uint8_t *protos, |
| 2044 | unsigned protos_len) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2045 | OPENSSL_free(ctx->alpn_client_proto_list); |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 2046 | ctx->alpn_client_proto_list = (uint8_t *)BUF_memdup(protos, protos_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2047 | if (!ctx->alpn_client_proto_list) { |
| 2048 | return 1; |
| 2049 | } |
| 2050 | ctx->alpn_client_proto_list_len = protos_len; |
| 2051 | |
| 2052 | return 0; |
| 2053 | } |
| 2054 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2055 | 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] | 2056 | OPENSSL_free(ssl->alpn_client_proto_list); |
Robert Sloan | a12bf46 | 2017-07-17 07:08:26 -0700 | [diff] [blame] | 2057 | ssl->alpn_client_proto_list = (uint8_t *)BUF_memdup(protos, protos_len); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2058 | if (!ssl->alpn_client_proto_list) { |
| 2059 | return 1; |
| 2060 | } |
| 2061 | ssl->alpn_client_proto_list_len = protos_len; |
| 2062 | |
| 2063 | return 0; |
| 2064 | } |
| 2065 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2066 | void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx, |
| 2067 | int (*cb)(SSL *ssl, const uint8_t **out, |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2068 | uint8_t *out_len, const uint8_t *in, |
| 2069 | unsigned in_len, void *arg), |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2070 | void *arg) { |
| 2071 | ctx->alpn_select_cb = cb; |
| 2072 | ctx->alpn_select_cb_arg = arg; |
| 2073 | } |
| 2074 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2075 | void SSL_get0_alpn_selected(const SSL *ssl, const uint8_t **out_data, |
| 2076 | unsigned *out_len) { |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2077 | if (SSL_in_early_data(ssl) && !ssl->server) { |
| 2078 | *out_data = ssl->s3->hs->early_session->early_alpn; |
| 2079 | *out_len = ssl->s3->hs->early_session->early_alpn_len; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2080 | } else { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2081 | *out_data = ssl->s3->alpn_selected.data(); |
| 2082 | *out_len = ssl->s3->alpn_selected.size(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2083 | } |
| 2084 | } |
| 2085 | |
Robert Sloan | 572a4e2 | 2017-04-17 10:52:19 -0700 | [diff] [blame] | 2086 | void SSL_CTX_set_allow_unknown_alpn_protos(SSL_CTX *ctx, int enabled) { |
| 2087 | ctx->allow_unknown_alpn_protos = !!enabled; |
| 2088 | } |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2089 | |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2090 | void SSL_CTX_set_tls_channel_id_enabled(SSL_CTX *ctx, int enabled) { |
| 2091 | ctx->tlsext_channel_id_enabled = !!enabled; |
| 2092 | } |
| 2093 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2094 | int SSL_CTX_enable_tls_channel_id(SSL_CTX *ctx) { |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2095 | SSL_CTX_set_tls_channel_id_enabled(ctx, 1); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2096 | return 1; |
| 2097 | } |
| 2098 | |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2099 | void SSL_set_tls_channel_id_enabled(SSL *ssl, int enabled) { |
| 2100 | ssl->tlsext_channel_id_enabled = !!enabled; |
| 2101 | } |
| 2102 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2103 | int SSL_enable_tls_channel_id(SSL *ssl) { |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2104 | SSL_set_tls_channel_id_enabled(ssl, 1); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2105 | return 1; |
| 2106 | } |
| 2107 | |
| 2108 | static int is_p256_key(EVP_PKEY *private_key) { |
| 2109 | const EC_KEY *ec_key = EVP_PKEY_get0_EC_KEY(private_key); |
| 2110 | return ec_key != NULL && |
| 2111 | EC_GROUP_get_curve_name(EC_KEY_get0_group(ec_key)) == |
| 2112 | NID_X9_62_prime256v1; |
| 2113 | } |
| 2114 | |
| 2115 | int SSL_CTX_set1_tls_channel_id(SSL_CTX *ctx, EVP_PKEY *private_key) { |
| 2116 | if (!is_p256_key(private_key)) { |
| 2117 | OPENSSL_PUT_ERROR(SSL, SSL_R_CHANNEL_ID_NOT_P256); |
| 2118 | return 0; |
| 2119 | } |
| 2120 | |
| 2121 | EVP_PKEY_free(ctx->tlsext_channel_id_private); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2122 | EVP_PKEY_up_ref(private_key); |
| 2123 | ctx->tlsext_channel_id_private = private_key; |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 2124 | ctx->tlsext_channel_id_enabled = true; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2125 | |
| 2126 | return 1; |
| 2127 | } |
| 2128 | |
| 2129 | int SSL_set1_tls_channel_id(SSL *ssl, EVP_PKEY *private_key) { |
| 2130 | if (!is_p256_key(private_key)) { |
| 2131 | OPENSSL_PUT_ERROR(SSL, SSL_R_CHANNEL_ID_NOT_P256); |
| 2132 | return 0; |
| 2133 | } |
| 2134 | |
| 2135 | EVP_PKEY_free(ssl->tlsext_channel_id_private); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2136 | EVP_PKEY_up_ref(private_key); |
| 2137 | ssl->tlsext_channel_id_private = private_key; |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 2138 | ssl->tlsext_channel_id_enabled = true; |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2139 | |
| 2140 | return 1; |
| 2141 | } |
| 2142 | |
| 2143 | size_t SSL_get_tls_channel_id(SSL *ssl, uint8_t *out, size_t max_out) { |
| 2144 | if (!ssl->s3->tlsext_channel_id_valid) { |
| 2145 | return 0; |
| 2146 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 2147 | OPENSSL_memcpy(out, ssl->s3->tlsext_channel_id, |
| 2148 | (max_out < 64) ? max_out : 64); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2149 | return 64; |
| 2150 | } |
| 2151 | |
Robert Sloan | 978112c | 2018-01-22 12:53:01 -0800 | [diff] [blame] | 2152 | int SSL_set_token_binding_params(SSL *ssl, const uint8_t *params, size_t len) { |
| 2153 | if (len > 256) { |
| 2154 | OPENSSL_PUT_ERROR(SSL, ERR_R_OVERFLOW); |
| 2155 | return 0; |
| 2156 | } |
| 2157 | OPENSSL_free(ssl->token_binding_params); |
| 2158 | ssl->token_binding_params = (uint8_t *)BUF_memdup(params, len); |
| 2159 | if (!ssl->token_binding_params) { |
| 2160 | return 0; |
| 2161 | } |
| 2162 | ssl->token_binding_params_len = len; |
| 2163 | return 1; |
| 2164 | } |
| 2165 | |
| 2166 | int SSL_is_token_binding_negotiated(const SSL *ssl) { |
| 2167 | return ssl->token_binding_negotiated; |
| 2168 | } |
| 2169 | |
| 2170 | uint8_t SSL_get_negotiated_token_binding_param(const SSL *ssl) { |
| 2171 | return ssl->negotiated_token_binding_param; |
| 2172 | } |
| 2173 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2174 | 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] | 2175 | if (ssl->server || ssl->s3->hs == NULL) { |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2176 | *out_types = NULL; |
| 2177 | return 0; |
| 2178 | } |
Robert Sloan | 4562e9d | 2017-10-02 10:26:51 -0700 | [diff] [blame] | 2179 | *out_types = ssl->s3->hs->certificate_types.data(); |
| 2180 | return ssl->s3->hs->certificate_types.size(); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2181 | } |
| 2182 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2183 | EVP_PKEY *SSL_get_privatekey(const SSL *ssl) { |
| 2184 | if (ssl->cert != NULL) { |
| 2185 | return ssl->cert->privatekey; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2186 | } |
| 2187 | |
| 2188 | return NULL; |
| 2189 | } |
| 2190 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2191 | EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx) { |
| 2192 | if (ctx->cert != NULL) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2193 | return ctx->cert->privatekey; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2194 | } |
| 2195 | |
| 2196 | return NULL; |
| 2197 | } |
| 2198 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2199 | const SSL_CIPHER *SSL_get_current_cipher(const SSL *ssl) { |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 2200 | return ssl->s3->aead_write_ctx->cipher(); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2201 | } |
| 2202 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2203 | int SSL_session_reused(const SSL *ssl) { |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2204 | return ssl->s3->session_reused || SSL_in_early_data(ssl); |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2205 | } |
| 2206 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2207 | const COMP_METHOD *SSL_get_current_compression(SSL *ssl) { return NULL; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2208 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2209 | const COMP_METHOD *SSL_get_current_expansion(SSL *ssl) { return NULL; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2210 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2211 | int *SSL_get_server_tmp_key(SSL *ssl, EVP_PKEY **out_key) { return 0; } |
| 2212 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2213 | void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode) { |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2214 | ctx->quiet_shutdown = (mode != 0); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2215 | } |
| 2216 | |
| 2217 | int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) { |
| 2218 | return ctx->quiet_shutdown; |
| 2219 | } |
| 2220 | |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2221 | void SSL_set_quiet_shutdown(SSL *ssl, int mode) { |
| 2222 | ssl->quiet_shutdown = (mode != 0); |
| 2223 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2224 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2225 | int SSL_get_quiet_shutdown(const SSL *ssl) { return ssl->quiet_shutdown; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2226 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2227 | void SSL_set_shutdown(SSL *ssl, int mode) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2228 | // It is an error to clear any bits that have already been set. (We can't try |
| 2229 | // to get a second close_notify or send two.) |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2230 | assert((SSL_get_shutdown(ssl) & mode) == SSL_get_shutdown(ssl)); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2231 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2232 | if (mode & SSL_RECEIVED_SHUTDOWN && |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 2233 | ssl->s3->read_shutdown == ssl_shutdown_none) { |
| 2234 | ssl->s3->read_shutdown = ssl_shutdown_close_notify; |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2235 | } |
| 2236 | |
| 2237 | if (mode & SSL_SENT_SHUTDOWN && |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 2238 | ssl->s3->write_shutdown == ssl_shutdown_none) { |
| 2239 | ssl->s3->write_shutdown = ssl_shutdown_close_notify; |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2240 | } |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2241 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2242 | |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2243 | int SSL_get_shutdown(const SSL *ssl) { |
| 2244 | int ret = 0; |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 2245 | if (ssl->s3->read_shutdown != ssl_shutdown_none) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2246 | // Historically, OpenSSL set |SSL_RECEIVED_SHUTDOWN| on both close_notify |
| 2247 | // and fatal alert. |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2248 | ret |= SSL_RECEIVED_SHUTDOWN; |
| 2249 | } |
Robert Sloan | 921ef2c | 2017-10-17 09:02:20 -0700 | [diff] [blame] | 2250 | if (ssl->s3->write_shutdown == ssl_shutdown_close_notify) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2251 | // Historically, OpenSSL set |SSL_SENT_SHUTDOWN| on only close_notify. |
David Benjamin | d316cba | 2016-06-02 16:17:39 -0400 | [diff] [blame] | 2252 | ret |= SSL_SENT_SHUTDOWN; |
| 2253 | } |
| 2254 | return ret; |
| 2255 | } |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2256 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2257 | SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) { return ssl->ctx; } |
| 2258 | |
| 2259 | SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx) { |
| 2260 | if (ssl->ctx == ctx) { |
| 2261 | return ssl->ctx; |
| 2262 | } |
| 2263 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2264 | // One cannot change the X.509 callbacks during a connection. |
Robert Sloan | 5d62578 | 2017-02-13 09:55:39 -0800 | [diff] [blame] | 2265 | if (ssl->ctx->x509_method != ctx->x509_method) { |
| 2266 | assert(0); |
| 2267 | return NULL; |
| 2268 | } |
| 2269 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2270 | if (ctx == NULL) { |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 2271 | ctx = ssl->session_ctx; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2272 | } |
| 2273 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2274 | ssl_cert_free(ssl->cert); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2275 | ssl->cert = ssl_cert_dup(ctx->cert); |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2276 | |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 2277 | SSL_CTX_up_ref(ctx); |
| 2278 | SSL_CTX_free(ssl->ctx); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2279 | ssl->ctx = ctx; |
| 2280 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2281 | return ssl->ctx; |
| 2282 | } |
| 2283 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2284 | void SSL_set_info_callback(SSL *ssl, |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2285 | void (*cb)(const SSL *ssl, int type, int value)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2286 | ssl->info_callback = cb; |
| 2287 | } |
| 2288 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2289 | void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl, int type, |
| 2290 | int value) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2291 | return ssl->info_callback; |
| 2292 | } |
| 2293 | |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 2294 | int SSL_state(const SSL *ssl) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 2295 | return SSL_in_init(ssl) ? SSL_ST_INIT : SSL_ST_OK; |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 2296 | } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2297 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2298 | void SSL_set_state(SSL *ssl, int state) { } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2299 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2300 | char *SSL_get_shared_ciphers(const SSL *ssl, char *buf, int len) { |
| 2301 | if (len <= 0) { |
| 2302 | return NULL; |
| 2303 | } |
| 2304 | buf[0] = '\0'; |
| 2305 | return buf; |
| 2306 | } |
| 2307 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2308 | int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_unused *unused, |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 2309 | CRYPTO_EX_dup *dup_unused, CRYPTO_EX_free *free_func) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2310 | int index; |
| 2311 | if (!CRYPTO_get_ex_new_index(&g_ex_data_class_ssl, &index, argl, argp, |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 2312 | free_func)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2313 | return -1; |
| 2314 | } |
| 2315 | return index; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2316 | } |
| 2317 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 2318 | int SSL_set_ex_data(SSL *ssl, int idx, void *data) { |
| 2319 | return CRYPTO_set_ex_data(&ssl->ex_data, idx, data); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2320 | } |
| 2321 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2322 | void *SSL_get_ex_data(const SSL *ssl, int idx) { |
| 2323 | return CRYPTO_get_ex_data(&ssl->ex_data, idx); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2324 | } |
| 2325 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2326 | int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_unused *unused, |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 2327 | CRYPTO_EX_dup *dup_unused, |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2328 | CRYPTO_EX_free *free_func) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2329 | int index; |
| 2330 | if (!CRYPTO_get_ex_new_index(&g_ex_data_class_ssl_ctx, &index, argl, argp, |
Robert Sloan | 8ff0355 | 2017-06-14 12:40:58 -0700 | [diff] [blame] | 2331 | free_func)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2332 | return -1; |
| 2333 | } |
| 2334 | return index; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2335 | } |
| 2336 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 2337 | int SSL_CTX_set_ex_data(SSL_CTX *ctx, int idx, void *data) { |
| 2338 | return CRYPTO_set_ex_data(&ctx->ex_data, idx, data); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2339 | } |
| 2340 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2341 | void *SSL_CTX_get_ex_data(const SSL_CTX *ctx, int idx) { |
| 2342 | return CRYPTO_get_ex_data(&ctx->ex_data, idx); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2343 | } |
| 2344 | |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2345 | int SSL_want(const SSL *ssl) { return ssl->s3->rwstate; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2346 | |
| 2347 | void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx, |
| 2348 | RSA *(*cb)(SSL *ssl, int is_export, |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 2349 | int keylength)) {} |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2350 | |
| 2351 | void SSL_set_tmp_rsa_callback(SSL *ssl, RSA *(*cb)(SSL *ssl, int is_export, |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 2352 | int keylength)) {} |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2353 | |
| 2354 | void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 2355 | DH *(*cb)(SSL *ssl, int is_export, |
| 2356 | int keylength)) {} |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2357 | |
Robert Sloan | fe7cd21 | 2017-08-07 09:03:39 -0700 | [diff] [blame] | 2358 | void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*cb)(SSL *ssl, int is_export, |
| 2359 | int keylength)) {} |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2360 | |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2361 | static int use_psk_identity_hint(char **out, const char *identity_hint) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2362 | if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) { |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2363 | OPENSSL_PUT_ERROR(SSL, SSL_R_DATA_LENGTH_TOO_LONG); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2364 | return 0; |
| 2365 | } |
| 2366 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2367 | // Clear currently configured hint, if any. |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2368 | OPENSSL_free(*out); |
| 2369 | *out = NULL; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2370 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2371 | // Treat the empty hint as not supplying one. Plain PSK makes it possible to |
| 2372 | // send either no hint (omit ServerKeyExchange) or an empty hint, while |
| 2373 | // ECDHE_PSK can only spell empty hint. Having different capabilities is odd, |
| 2374 | // so we interpret empty and missing as identical. |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2375 | if (identity_hint != NULL && identity_hint[0] != '\0') { |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2376 | *out = BUF_strdup(identity_hint); |
| 2377 | if (*out == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2378 | return 0; |
| 2379 | } |
| 2380 | } |
| 2381 | |
| 2382 | return 1; |
| 2383 | } |
| 2384 | |
Robert Sloan | e56da3e | 2017-06-26 08:26:42 -0700 | [diff] [blame] | 2385 | int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) { |
| 2386 | return use_psk_identity_hint(&ctx->psk_identity_hint, identity_hint); |
| 2387 | } |
| 2388 | |
| 2389 | int SSL_use_psk_identity_hint(SSL *ssl, const char *identity_hint) { |
| 2390 | return use_psk_identity_hint(&ssl->psk_identity_hint, identity_hint); |
| 2391 | } |
| 2392 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2393 | const char *SSL_get_psk_identity_hint(const SSL *ssl) { |
| 2394 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2395 | return NULL; |
| 2396 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2397 | return ssl->psk_identity_hint; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2398 | } |
| 2399 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2400 | const char *SSL_get_psk_identity(const SSL *ssl) { |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2401 | if (ssl == NULL) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2402 | return NULL; |
| 2403 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2404 | SSL_SESSION *session = SSL_get_session(ssl); |
| 2405 | if (session == NULL) { |
| 2406 | return NULL; |
| 2407 | } |
| 2408 | return session->psk_identity; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2409 | } |
| 2410 | |
| 2411 | void SSL_set_psk_client_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2412 | SSL *ssl, unsigned (*cb)(SSL *ssl, const char *hint, char *identity, |
| 2413 | unsigned max_identity_len, uint8_t *psk, |
| 2414 | unsigned max_psk_len)) { |
| 2415 | ssl->psk_client_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2416 | } |
| 2417 | |
| 2418 | void SSL_CTX_set_psk_client_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2419 | SSL_CTX *ctx, unsigned (*cb)(SSL *ssl, const char *hint, char *identity, |
| 2420 | unsigned max_identity_len, uint8_t *psk, |
| 2421 | unsigned max_psk_len)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2422 | ctx->psk_client_callback = cb; |
| 2423 | } |
| 2424 | |
| 2425 | void SSL_set_psk_server_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2426 | SSL *ssl, unsigned (*cb)(SSL *ssl, const char *identity, uint8_t *psk, |
| 2427 | unsigned max_psk_len)) { |
| 2428 | ssl->psk_server_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2429 | } |
| 2430 | |
| 2431 | void SSL_CTX_set_psk_server_callback( |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2432 | SSL_CTX *ctx, unsigned (*cb)(SSL *ssl, const char *identity, |
| 2433 | uint8_t *psk, unsigned max_psk_len)) { |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2434 | ctx->psk_server_callback = cb; |
| 2435 | } |
| 2436 | |
Robert Sloan | 0db7f54 | 2018-01-16 15:48:33 -0800 | [diff] [blame] | 2437 | int SSL_set_dummy_pq_padding_size(SSL *ssl, size_t num_bytes) { |
| 2438 | if (num_bytes > 0xffff) { |
| 2439 | return 0; |
| 2440 | } |
| 2441 | |
| 2442 | ssl->dummy_pq_padding_len = num_bytes; |
| 2443 | return 1; |
| 2444 | } |
| 2445 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2446 | void SSL_CTX_set_msg_callback(SSL_CTX *ctx, |
| 2447 | void (*cb)(int write_p, int version, |
| 2448 | int content_type, const void *buf, |
| 2449 | size_t len, SSL *ssl, void *arg)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2450 | ctx->msg_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2451 | } |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2452 | |
| 2453 | void SSL_CTX_set_msg_callback_arg(SSL_CTX *ctx, void *arg) { |
| 2454 | ctx->msg_callback_arg = arg; |
| 2455 | } |
| 2456 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2457 | void SSL_set_msg_callback(SSL *ssl, |
| 2458 | void (*cb)(int write_p, int version, int content_type, |
| 2459 | const void *buf, size_t len, SSL *ssl, |
| 2460 | void *arg)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2461 | ssl->msg_callback = cb; |
| 2462 | } |
| 2463 | |
| 2464 | void SSL_set_msg_callback_arg(SSL *ssl, void *arg) { |
| 2465 | ssl->msg_callback_arg = arg; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2466 | } |
| 2467 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2468 | void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, |
| 2469 | void (*cb)(const SSL *ssl, const char *line)) { |
| 2470 | ctx->keylog_callback = cb; |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2471 | } |
| 2472 | |
David Benjamin | 7c0d06c | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2473 | void (*SSL_CTX_get_keylog_callback(const SSL_CTX *ctx))(const SSL *ssl, |
| 2474 | const char *line) { |
| 2475 | return ctx->keylog_callback; |
| 2476 | } |
| 2477 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2478 | void SSL_CTX_set_current_time_cb(SSL_CTX *ctx, |
| 2479 | void (*cb)(const SSL *ssl, |
| 2480 | struct timeval *out_clock)) { |
| 2481 | ctx->current_time_cb = cb; |
| 2482 | } |
| 2483 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2484 | int SSL_is_init_finished(const SSL *ssl) { |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 2485 | return !SSL_in_init(ssl); |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2486 | } |
| 2487 | |
| 2488 | int SSL_in_init(const SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2489 | // This returns false once all the handshake state has been finalized, to |
| 2490 | // allow callbacks and getters based on SSL_in_init to return the correct |
| 2491 | // values. |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2492 | SSL_HANDSHAKE *hs = ssl->s3->hs.get(); |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2493 | return hs != nullptr && !hs->handshake_finalized; |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2494 | } |
| 2495 | |
| 2496 | int SSL_in_false_start(const SSL *ssl) { |
David Benjamin | 95add82 | 2016-10-19 01:09:12 -0400 | [diff] [blame] | 2497 | if (ssl->s3->hs == NULL) { |
| 2498 | return 0; |
| 2499 | } |
| 2500 | return ssl->s3->hs->in_false_start; |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2501 | } |
| 2502 | |
Adam Langley | 4139edb | 2016-01-13 15:00:54 -0800 | [diff] [blame] | 2503 | int SSL_cutthrough_complete(const SSL *ssl) { |
| 2504 | return SSL_in_false_start(ssl); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2505 | } |
| 2506 | |
| 2507 | void SSL_get_structure_sizes(size_t *ssl_size, size_t *ssl_ctx_size, |
| 2508 | size_t *ssl_session_size) { |
| 2509 | *ssl_size = sizeof(SSL); |
| 2510 | *ssl_ctx_size = sizeof(SSL_CTX); |
| 2511 | *ssl_session_size = sizeof(SSL_SESSION); |
| 2512 | } |
| 2513 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2514 | int SSL_is_server(const SSL *ssl) { return ssl->server; } |
| 2515 | |
| 2516 | int SSL_is_dtls(const SSL *ssl) { return ssl->method->is_dtls; } |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 2517 | |
Robert Sloan | 6d0d00e | 2017-03-27 07:13:07 -0700 | [diff] [blame] | 2518 | void SSL_CTX_set_select_certificate_cb( |
| 2519 | SSL_CTX *ctx, |
| 2520 | enum ssl_select_cert_result_t (*cb)(const SSL_CLIENT_HELLO *)) { |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2521 | ctx->select_certificate_cb = cb; |
| 2522 | } |
| 2523 | |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2524 | void SSL_CTX_set_dos_protection_cb(SSL_CTX *ctx, |
| 2525 | int (*cb)(const SSL_CLIENT_HELLO *)) { |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2526 | ctx->dos_protection_cb = cb; |
| 2527 | } |
| 2528 | |
Kenny Root | e99801b | 2015-11-06 15:31:15 -0800 | [diff] [blame] | 2529 | void SSL_set_renegotiate_mode(SSL *ssl, enum ssl_renegotiate_mode_t mode) { |
| 2530 | ssl->renegotiate_mode = mode; |
| 2531 | } |
| 2532 | |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2533 | int SSL_get_ivs(const SSL *ssl, const uint8_t **out_read_iv, |
| 2534 | const uint8_t **out_write_iv, size_t *out_iv_len) { |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2535 | size_t write_iv_len; |
Robert Sloan | b6d070c | 2017-07-24 08:40:01 -0700 | [diff] [blame] | 2536 | if (!ssl->s3->aead_read_ctx->GetIV(out_read_iv, out_iv_len) || |
| 2537 | !ssl->s3->aead_write_ctx->GetIV(out_write_iv, &write_iv_len) || |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2538 | *out_iv_len != write_iv_len) { |
| 2539 | return 0; |
| 2540 | } |
| 2541 | |
| 2542 | return 1; |
| 2543 | } |
| 2544 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2545 | static uint64_t be_to_u64(const uint8_t in[8]) { |
| 2546 | return (((uint64_t)in[0]) << 56) | (((uint64_t)in[1]) << 48) | |
| 2547 | (((uint64_t)in[2]) << 40) | (((uint64_t)in[3]) << 32) | |
| 2548 | (((uint64_t)in[4]) << 24) | (((uint64_t)in[5]) << 16) | |
| 2549 | (((uint64_t)in[6]) << 8) | ((uint64_t)in[7]); |
| 2550 | } |
| 2551 | |
| 2552 | uint64_t SSL_get_read_sequence(const SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2553 | // TODO(davidben): Internally represent sequence numbers as uint64_t. |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2554 | if (SSL_is_dtls(ssl)) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2555 | // max_seq_num already includes the epoch. |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2556 | assert(ssl->d1->r_epoch == (ssl->d1->bitmap.max_seq_num >> 48)); |
| 2557 | return ssl->d1->bitmap.max_seq_num; |
| 2558 | } |
| 2559 | return be_to_u64(ssl->s3->read_sequence); |
| 2560 | } |
| 2561 | |
| 2562 | uint64_t SSL_get_write_sequence(const SSL *ssl) { |
| 2563 | uint64_t ret = be_to_u64(ssl->s3->write_sequence); |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2564 | if (SSL_is_dtls(ssl)) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2565 | assert((ret >> 48) == 0); |
| 2566 | ret |= ((uint64_t)ssl->d1->w_epoch) << 48; |
| 2567 | } |
| 2568 | return ret; |
| 2569 | } |
| 2570 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2571 | uint16_t SSL_get_peer_signature_algorithm(const SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2572 | // TODO(davidben): This checks the wrong session if there is a renegotiation |
| 2573 | // in progress. |
Steven Valdez | e7531f0 | 2016-12-14 13:29:57 -0500 | [diff] [blame] | 2574 | SSL_SESSION *session = SSL_get_session(ssl); |
| 2575 | if (session == NULL) { |
| 2576 | return 0; |
| 2577 | } |
| 2578 | |
| 2579 | return session->peer_signature_algorithm; |
Adam Langley | fad6327 | 2015-11-12 12:15:39 -0800 | [diff] [blame] | 2580 | } |
| 2581 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2582 | size_t SSL_get_client_random(const SSL *ssl, uint8_t *out, size_t max_out) { |
| 2583 | if (max_out == 0) { |
| 2584 | return sizeof(ssl->s3->client_random); |
| 2585 | } |
| 2586 | if (max_out > sizeof(ssl->s3->client_random)) { |
| 2587 | max_out = sizeof(ssl->s3->client_random); |
| 2588 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 2589 | OPENSSL_memcpy(out, ssl->s3->client_random, max_out); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2590 | return max_out; |
| 2591 | } |
| 2592 | |
| 2593 | size_t SSL_get_server_random(const SSL *ssl, uint8_t *out, size_t max_out) { |
| 2594 | if (max_out == 0) { |
| 2595 | return sizeof(ssl->s3->server_random); |
| 2596 | } |
| 2597 | if (max_out > sizeof(ssl->s3->server_random)) { |
| 2598 | max_out = sizeof(ssl->s3->server_random); |
| 2599 | } |
Robert Sloan | 69939df | 2017-01-09 10:53:07 -0800 | [diff] [blame] | 2600 | OPENSSL_memcpy(out, ssl->s3->server_random, max_out); |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2601 | return max_out; |
| 2602 | } |
| 2603 | |
| 2604 | const SSL_CIPHER *SSL_get_pending_cipher(const SSL *ssl) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2605 | SSL_HANDSHAKE *hs = ssl->s3->hs.get(); |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 2606 | if (hs == NULL) { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2607 | return NULL; |
| 2608 | } |
Robert Sloan | a94fe05 | 2017-02-21 08:49:28 -0800 | [diff] [blame] | 2609 | return hs->new_cipher; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2610 | } |
| 2611 | |
Steven Valdez | 909b19f | 2016-11-21 15:35:44 -0500 | [diff] [blame] | 2612 | void SSL_set_retain_only_sha256_of_client_certs(SSL *ssl, int enabled) { |
| 2613 | ssl->retain_only_sha256_of_client_certs = !!enabled; |
| 2614 | } |
| 2615 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 2616 | void SSL_CTX_set_retain_only_sha256_of_client_certs(SSL_CTX *ctx, int enabled) { |
| 2617 | ctx->retain_only_sha256_of_client_certs = !!enabled; |
| 2618 | } |
| 2619 | |
Steven Valdez | bb1ceac | 2016-10-07 10:34:51 -0400 | [diff] [blame] | 2620 | void SSL_CTX_set_grease_enabled(SSL_CTX *ctx, int enabled) { |
| 2621 | ctx->grease_enabled = !!enabled; |
| 2622 | } |
| 2623 | |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 2624 | int32_t SSL_get_ticket_age_skew(const SSL *ssl) { |
| 2625 | return ssl->s3->ticket_age_skew; |
| 2626 | } |
| 2627 | |
Robert Sloan | cd79cde | 2017-12-11 09:06:12 -0800 | [diff] [blame] | 2628 | void SSL_CTX_set_false_start_allowed_without_alpn(SSL_CTX *ctx, int allowed) { |
| 2629 | ctx->false_start_allowed_without_alpn = !!allowed; |
| 2630 | } |
| 2631 | |
Robert Sloan | 0da4395 | 2018-01-03 15:13:14 -0800 | [diff] [blame] | 2632 | int SSL_is_draft_downgrade(const SSL *ssl) { return ssl->s3->draft_downgrade; } |
| 2633 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2634 | int SSL_clear(SSL *ssl) { |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2635 | // In OpenSSL, reusing a client |SSL| with |SSL_clear| causes the previously |
| 2636 | // established session to be offered the next time around. wpa_supplicant |
| 2637 | // depends on this behavior, so emulate it. |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2638 | UniquePtr<SSL_SESSION> session; |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2639 | if (!ssl->server && ssl->s3->established_session != NULL) { |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2640 | session.reset(ssl->s3->established_session.get()); |
| 2641 | SSL_SESSION_up_ref(session.get()); |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2642 | } |
| 2643 | |
Robert Sloan | a27a6a4 | 2017-09-05 08:39:28 -0700 | [diff] [blame] | 2644 | // The ssl->d1->mtu is simultaneously configuration (preserved across |
| 2645 | // clear) and connection-specific state (gets reset). |
| 2646 | // |
| 2647 | // TODO(davidben): Avoid this. |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2648 | unsigned mtu = 0; |
| 2649 | if (ssl->d1 != NULL) { |
| 2650 | mtu = ssl->d1->mtu; |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2651 | } |
| 2652 | |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2653 | ssl->method->ssl_free(ssl); |
| 2654 | if (!ssl->method->ssl_new(ssl)) { |
| 2655 | return 0; |
| 2656 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2657 | |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2658 | 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] | 2659 | ssl->d1->mtu = mtu; |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2660 | } |
| 2661 | |
Robert Sloan | 29c1d2c | 2017-10-30 14:10:28 -0700 | [diff] [blame] | 2662 | if (session != nullptr) { |
| 2663 | SSL_set_session(ssl, session.get()); |
David Benjamin | 1b24967 | 2016-12-06 18:25:50 -0500 | [diff] [blame] | 2664 | } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2665 | |
Adam Langley | f4e4272 | 2015-06-04 17:45:09 -0700 | [diff] [blame] | 2666 | return 1; |
Adam Langley | 56d2503 | 2015-06-23 16:20:13 -0700 | [diff] [blame] | 2667 | } |
| 2668 | |
Adam Langley | e9ada86 | 2015-05-11 17:20:37 -0700 | [diff] [blame] | 2669 | int SSL_CTX_sess_connect(const SSL_CTX *ctx) { return 0; } |
| 2670 | int SSL_CTX_sess_connect_good(const SSL_CTX *ctx) { return 0; } |
| 2671 | int SSL_CTX_sess_connect_renegotiate(const SSL_CTX *ctx) { return 0; } |
| 2672 | int SSL_CTX_sess_accept(const SSL_CTX *ctx) { return 0; } |
| 2673 | int SSL_CTX_sess_accept_renegotiate(const SSL_CTX *ctx) { return 0; } |
| 2674 | int SSL_CTX_sess_accept_good(const SSL_CTX *ctx) { return 0; } |
| 2675 | int SSL_CTX_sess_hits(const SSL_CTX *ctx) { return 0; } |
| 2676 | int SSL_CTX_sess_cb_hits(const SSL_CTX *ctx) { return 0; } |
| 2677 | int SSL_CTX_sess_misses(const SSL_CTX *ctx) { return 0; } |
| 2678 | int SSL_CTX_sess_timeouts(const SSL_CTX *ctx) { return 0; } |
| 2679 | int SSL_CTX_sess_cache_full(const SSL_CTX *ctx) { return 0; } |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2680 | |
| 2681 | int SSL_num_renegotiations(const SSL *ssl) { |
| 2682 | return SSL_total_renegotiations(ssl); |
| 2683 | } |
| 2684 | |
| 2685 | int SSL_CTX_need_tmp_RSA(const SSL_CTX *ctx) { return 0; } |
| 2686 | int SSL_need_tmp_RSA(const SSL *ssl) { return 0; } |
| 2687 | int SSL_CTX_set_tmp_rsa(SSL_CTX *ctx, const RSA *rsa) { return 1; } |
| 2688 | int SSL_set_tmp_rsa(SSL *ssl, const RSA *rsa) { return 1; } |
Kenny Root | b849459 | 2015-09-25 02:29:14 +0000 | [diff] [blame] | 2689 | void ERR_load_SSL_strings(void) {} |
| 2690 | void SSL_load_error_strings(void) {} |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 2691 | int SSL_cache_hit(SSL *ssl) { return SSL_session_reused(ssl); } |
| 2692 | |
| 2693 | int SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, const EC_KEY *ec_key) { |
| 2694 | if (ec_key == NULL || EC_KEY_get0_group(ec_key) == NULL) { |
| 2695 | OPENSSL_PUT_ERROR(SSL, ERR_R_PASSED_NULL_PARAMETER); |
| 2696 | return 0; |
| 2697 | } |
| 2698 | int nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec_key)); |
| 2699 | return SSL_CTX_set1_curves(ctx, &nid, 1); |
| 2700 | } |
| 2701 | |
| 2702 | int SSL_set_tmp_ecdh(SSL *ssl, const EC_KEY *ec_key) { |
| 2703 | if (ec_key == NULL || EC_KEY_get0_group(ec_key) == NULL) { |
| 2704 | OPENSSL_PUT_ERROR(SSL, ERR_R_PASSED_NULL_PARAMETER); |
| 2705 | return 0; |
| 2706 | } |
| 2707 | int nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec_key)); |
| 2708 | return SSL_set1_curves(ssl, &nid, 1); |
| 2709 | } |
David Benjamin | c895d6b | 2016-08-11 13:26:41 -0400 | [diff] [blame] | 2710 | |
Robert Sloan | 1c9db53 | 2017-03-13 08:03:59 -0700 | [diff] [blame] | 2711 | void SSL_CTX_set_ticket_aead_method(SSL_CTX *ctx, |
| 2712 | const SSL_TICKET_AEAD_METHOD *aead_method) { |
| 2713 | ctx->ticket_aead_method = aead_method; |
| 2714 | } |