1 /* $OpenBSD: ssl_methods.c,v 1.12 2020/02/06 16:05:58 jsing Exp $ */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #include "ssl_locl.h" 60 #include "tls13_internal.h" 61 62 static const SSL_METHOD_INTERNAL DTLSv1_client_method_internal_data = { 63 .version = DTLS1_VERSION, 64 .min_version = DTLS1_VERSION, 65 .max_version = DTLS1_VERSION, 66 .ssl_new = dtls1_new, 67 .ssl_clear = dtls1_clear, 68 .ssl_free = dtls1_free, 69 .ssl_accept = ssl_undefined_function, 70 .ssl_connect = ssl3_connect, 71 .ssl_shutdown = ssl3_shutdown, 72 .get_ssl_method = dtls1_get_client_method, 73 .get_timeout = dtls1_default_timeout, 74 .ssl_version = ssl_undefined_void_function, 75 .ssl_renegotiate = ssl3_renegotiate, 76 .ssl_renegotiate_check = ssl3_renegotiate_check, 77 .ssl_pending = ssl3_pending, 78 .ssl_read_bytes = dtls1_read_bytes, 79 .ssl_write_bytes = dtls1_write_app_data_bytes, 80 .ssl3_enc = &DTLSv1_enc_data, 81 }; 82 83 static const SSL_METHOD DTLSv1_client_method_data = { 84 .ssl_dispatch_alert = dtls1_dispatch_alert, 85 .num_ciphers = ssl3_num_ciphers, 86 .get_cipher = dtls1_get_cipher, 87 .get_cipher_by_char = ssl3_get_cipher_by_char, 88 .put_cipher_by_char = ssl3_put_cipher_by_char, 89 .internal = &DTLSv1_client_method_internal_data, 90 }; 91 92 const SSL_METHOD * 93 DTLSv1_client_method(void) 94 { 95 return &DTLSv1_client_method_data; 96 } 97 98 const SSL_METHOD * 99 DTLS_client_method(void) 100 { 101 return DTLSv1_client_method(); 102 } 103 104 const SSL_METHOD * 105 dtls1_get_client_method(int ver) 106 { 107 if (ver == DTLS1_VERSION) 108 return (DTLSv1_client_method()); 109 return (NULL); 110 } 111 112 static const SSL_METHOD *dtls1_get_method(int ver); 113 114 static const SSL_METHOD_INTERNAL DTLSv1_method_internal_data = { 115 .version = DTLS1_VERSION, 116 .min_version = DTLS1_VERSION, 117 .max_version = DTLS1_VERSION, 118 .ssl_new = dtls1_new, 119 .ssl_clear = dtls1_clear, 120 .ssl_free = dtls1_free, 121 .ssl_accept = ssl3_accept, 122 .ssl_connect = ssl3_connect, 123 .ssl_shutdown = ssl3_shutdown, 124 .get_ssl_method = dtls1_get_method, 125 .get_timeout = dtls1_default_timeout, 126 .ssl_version = ssl_undefined_void_function, 127 .ssl_renegotiate = ssl3_renegotiate, 128 .ssl_renegotiate_check = ssl3_renegotiate_check, 129 .ssl_pending = ssl3_pending, 130 .ssl_read_bytes = dtls1_read_bytes, 131 .ssl_write_bytes = dtls1_write_app_data_bytes, 132 .ssl3_enc = &DTLSv1_enc_data, 133 }; 134 135 static const SSL_METHOD DTLSv1_method_data = { 136 .ssl_dispatch_alert = dtls1_dispatch_alert, 137 .num_ciphers = ssl3_num_ciphers, 138 .get_cipher = dtls1_get_cipher, 139 .get_cipher_by_char = ssl3_get_cipher_by_char, 140 .put_cipher_by_char = ssl3_put_cipher_by_char, 141 .internal = &DTLSv1_method_internal_data, 142 }; 143 144 const SSL_METHOD * 145 DTLSv1_method(void) 146 { 147 return &DTLSv1_method_data; 148 } 149 150 const SSL_METHOD * 151 DTLS_method(void) 152 { 153 return DTLSv1_method(); 154 } 155 156 static const SSL_METHOD * 157 dtls1_get_method(int ver) 158 { 159 if (ver == DTLS1_VERSION) 160 return (DTLSv1_method()); 161 return (NULL); 162 } 163 164 static const SSL_METHOD_INTERNAL DTLSv1_server_method_internal_data = { 165 .version = DTLS1_VERSION, 166 .min_version = DTLS1_VERSION, 167 .max_version = DTLS1_VERSION, 168 .ssl_new = dtls1_new, 169 .ssl_clear = dtls1_clear, 170 .ssl_free = dtls1_free, 171 .ssl_accept = ssl3_accept, 172 .ssl_connect = ssl_undefined_function, 173 .ssl_shutdown = ssl3_shutdown, 174 .get_ssl_method = dtls1_get_server_method, 175 .get_timeout = dtls1_default_timeout, 176 .ssl_version = ssl_undefined_void_function, 177 .ssl_renegotiate = ssl3_renegotiate, 178 .ssl_renegotiate_check = ssl3_renegotiate_check, 179 .ssl_pending = ssl3_pending, 180 .ssl_read_bytes = dtls1_read_bytes, 181 .ssl_write_bytes = dtls1_write_app_data_bytes, 182 .ssl3_enc = &DTLSv1_enc_data, 183 }; 184 185 static const SSL_METHOD DTLSv1_server_method_data = { 186 .ssl_dispatch_alert = dtls1_dispatch_alert, 187 .num_ciphers = ssl3_num_ciphers, 188 .get_cipher = dtls1_get_cipher, 189 .get_cipher_by_char = ssl3_get_cipher_by_char, 190 .put_cipher_by_char = ssl3_put_cipher_by_char, 191 .internal = &DTLSv1_server_method_internal_data, 192 }; 193 194 const SSL_METHOD * 195 DTLSv1_server_method(void) 196 { 197 return &DTLSv1_server_method_data; 198 } 199 200 const SSL_METHOD * 201 DTLS_server_method(void) 202 { 203 return DTLSv1_server_method(); 204 } 205 206 const SSL_METHOD * 207 dtls1_get_server_method(int ver) 208 { 209 if (ver == DTLS1_VERSION) 210 return (DTLSv1_server_method()); 211 return (NULL); 212 } 213 214 #ifdef LIBRESSL_HAS_TLS1_3_CLIENT 215 static const SSL_METHOD_INTERNAL TLS_client_method_internal_data = { 216 .version = TLS1_3_VERSION, 217 .min_version = TLS1_VERSION, 218 .max_version = TLS1_3_VERSION, 219 .ssl_new = tls1_new, 220 .ssl_clear = tls1_clear, 221 .ssl_free = tls1_free, 222 .ssl_accept = ssl_undefined_function, 223 .ssl_connect = tls13_legacy_connect, 224 .ssl_shutdown = tls13_legacy_shutdown, 225 .get_ssl_method = tls1_get_client_method, 226 .get_timeout = tls1_default_timeout, 227 .ssl_version = ssl_undefined_void_function, 228 .ssl_renegotiate = ssl_undefined_function, 229 .ssl_renegotiate_check = ssl_ok, 230 .ssl_pending = tls13_legacy_pending, 231 .ssl_read_bytes = tls13_legacy_read_bytes, 232 .ssl_write_bytes = tls13_legacy_write_bytes, 233 .ssl3_enc = &TLSv1_3_enc_data, 234 }; 235 236 static const SSL_METHOD TLS_client_method_data = { 237 .ssl_dispatch_alert = ssl3_dispatch_alert, 238 .num_ciphers = ssl3_num_ciphers, 239 .get_cipher = ssl3_get_cipher, 240 .get_cipher_by_char = ssl3_get_cipher_by_char, 241 .put_cipher_by_char = ssl3_put_cipher_by_char, 242 .internal = &TLS_client_method_internal_data, 243 }; 244 #endif 245 246 static const SSL_METHOD_INTERNAL TLS_legacy_client_method_internal_data = { 247 .version = TLS1_2_VERSION, 248 .min_version = TLS1_VERSION, 249 .max_version = TLS1_2_VERSION, 250 .ssl_new = tls1_new, 251 .ssl_clear = tls1_clear, 252 .ssl_free = tls1_free, 253 .ssl_accept = ssl_undefined_function, 254 .ssl_connect = ssl3_connect, 255 .ssl_shutdown = ssl3_shutdown, 256 .get_ssl_method = tls1_get_client_method, 257 .get_timeout = tls1_default_timeout, 258 .ssl_version = ssl_undefined_void_function, 259 .ssl_renegotiate = ssl_undefined_function, 260 .ssl_renegotiate_check = ssl_ok, 261 .ssl_pending = ssl3_pending, 262 .ssl_read_bytes = ssl3_read_bytes, 263 .ssl_write_bytes = ssl3_write_bytes, 264 .ssl3_enc = &TLSv1_2_enc_data, 265 }; 266 267 static const SSL_METHOD TLS_legacy_client_method_data = { 268 .ssl_dispatch_alert = ssl3_dispatch_alert, 269 .num_ciphers = ssl3_num_ciphers, 270 .get_cipher = ssl3_get_cipher, 271 .get_cipher_by_char = ssl3_get_cipher_by_char, 272 .put_cipher_by_char = ssl3_put_cipher_by_char, 273 .internal = &TLS_legacy_client_method_internal_data, 274 }; 275 276 static const SSL_METHOD_INTERNAL TLSv1_client_method_internal_data = { 277 .version = TLS1_VERSION, 278 .min_version = TLS1_VERSION, 279 .max_version = TLS1_VERSION, 280 .ssl_new = tls1_new, 281 .ssl_clear = tls1_clear, 282 .ssl_free = tls1_free, 283 .ssl_accept = ssl_undefined_function, 284 .ssl_connect = ssl3_connect, 285 .ssl_shutdown = ssl3_shutdown, 286 .get_ssl_method = tls1_get_client_method, 287 .get_timeout = tls1_default_timeout, 288 .ssl_version = ssl_undefined_void_function, 289 .ssl_renegotiate = ssl3_renegotiate, 290 .ssl_renegotiate_check = ssl3_renegotiate_check, 291 .ssl_pending = ssl3_pending, 292 .ssl_read_bytes = ssl3_read_bytes, 293 .ssl_write_bytes = ssl3_write_bytes, 294 .ssl3_enc = &TLSv1_enc_data, 295 }; 296 297 static const SSL_METHOD TLSv1_client_method_data = { 298 .ssl_dispatch_alert = ssl3_dispatch_alert, 299 .num_ciphers = ssl3_num_ciphers, 300 .get_cipher = ssl3_get_cipher, 301 .get_cipher_by_char = ssl3_get_cipher_by_char, 302 .put_cipher_by_char = ssl3_put_cipher_by_char, 303 .internal = &TLSv1_client_method_internal_data, 304 }; 305 306 static const SSL_METHOD_INTERNAL TLSv1_1_client_method_internal_data = { 307 .version = TLS1_1_VERSION, 308 .min_version = TLS1_1_VERSION, 309 .max_version = TLS1_1_VERSION, 310 .ssl_new = tls1_new, 311 .ssl_clear = tls1_clear, 312 .ssl_free = tls1_free, 313 .ssl_accept = ssl_undefined_function, 314 .ssl_connect = ssl3_connect, 315 .ssl_shutdown = ssl3_shutdown, 316 .get_ssl_method = tls1_get_client_method, 317 .get_timeout = tls1_default_timeout, 318 .ssl_version = ssl_undefined_void_function, 319 .ssl_renegotiate = ssl3_renegotiate, 320 .ssl_renegotiate_check = ssl3_renegotiate_check, 321 .ssl_pending = ssl3_pending, 322 .ssl_read_bytes = ssl3_read_bytes, 323 .ssl_write_bytes = ssl3_write_bytes, 324 .ssl3_enc = &TLSv1_1_enc_data, 325 }; 326 327 static const SSL_METHOD TLSv1_1_client_method_data = { 328 .ssl_dispatch_alert = ssl3_dispatch_alert, 329 .num_ciphers = ssl3_num_ciphers, 330 .get_cipher = ssl3_get_cipher, 331 .get_cipher_by_char = ssl3_get_cipher_by_char, 332 .put_cipher_by_char = ssl3_put_cipher_by_char, 333 .internal = &TLSv1_1_client_method_internal_data, 334 }; 335 336 static const SSL_METHOD_INTERNAL TLSv1_2_client_method_internal_data = { 337 .version = TLS1_2_VERSION, 338 .min_version = TLS1_2_VERSION, 339 .max_version = TLS1_2_VERSION, 340 .ssl_new = tls1_new, 341 .ssl_clear = tls1_clear, 342 .ssl_free = tls1_free, 343 .ssl_accept = ssl_undefined_function, 344 .ssl_connect = ssl3_connect, 345 .ssl_shutdown = ssl3_shutdown, 346 .get_ssl_method = tls1_get_client_method, 347 .get_timeout = tls1_default_timeout, 348 .ssl_version = ssl_undefined_void_function, 349 .ssl_renegotiate = ssl3_renegotiate, 350 .ssl_renegotiate_check = ssl3_renegotiate_check, 351 .ssl_pending = ssl3_pending, 352 .ssl_read_bytes = ssl3_read_bytes, 353 .ssl_write_bytes = ssl3_write_bytes, 354 .ssl3_enc = &TLSv1_2_enc_data, 355 }; 356 357 static const SSL_METHOD TLSv1_2_client_method_data = { 358 .ssl_dispatch_alert = ssl3_dispatch_alert, 359 .num_ciphers = ssl3_num_ciphers, 360 .get_cipher = ssl3_get_cipher, 361 .get_cipher_by_char = ssl3_get_cipher_by_char, 362 .put_cipher_by_char = ssl3_put_cipher_by_char, 363 .internal = &TLSv1_2_client_method_internal_data, 364 }; 365 366 const SSL_METHOD * 367 tls1_get_client_method(int ver) 368 { 369 #ifdef LIBRESSL_HAS_TLS1_3_CLIENT 370 if (ver == TLS1_3_VERSION) 371 return (TLS_client_method()); 372 #endif 373 if (ver == TLS1_2_VERSION) 374 return (TLSv1_2_client_method()); 375 if (ver == TLS1_1_VERSION) 376 return (TLSv1_1_client_method()); 377 if (ver == TLS1_VERSION) 378 return (TLSv1_client_method()); 379 return (NULL); 380 } 381 382 const SSL_METHOD * 383 SSLv23_client_method(void) 384 { 385 return (TLS_client_method()); 386 } 387 388 const SSL_METHOD * 389 TLS_client_method(void) 390 { 391 #ifdef LIBRESSL_HAS_TLS1_3_CLIENT 392 return (&TLS_client_method_data); 393 #else 394 return tls_legacy_client_method(); 395 #endif 396 } 397 398 const SSL_METHOD * 399 tls_legacy_client_method(void) 400 { 401 return (&TLS_legacy_client_method_data); 402 } 403 404 const SSL_METHOD * 405 TLSv1_client_method(void) 406 { 407 return (&TLSv1_client_method_data); 408 } 409 410 const SSL_METHOD * 411 TLSv1_1_client_method(void) 412 { 413 return (&TLSv1_1_client_method_data); 414 } 415 416 const SSL_METHOD * 417 TLSv1_2_client_method(void) 418 { 419 return (&TLSv1_2_client_method_data); 420 } 421 422 static const SSL_METHOD *tls1_get_method(int ver); 423 424 static const SSL_METHOD_INTERNAL TLS_method_internal_data = { 425 .version = TLS1_2_VERSION, 426 .min_version = TLS1_VERSION, 427 .max_version = TLS1_2_VERSION, 428 .ssl_new = tls1_new, 429 .ssl_clear = tls1_clear, 430 .ssl_free = tls1_free, 431 .ssl_accept = ssl3_accept, 432 .ssl_connect = ssl3_connect, 433 .ssl_shutdown = ssl3_shutdown, 434 .get_ssl_method = tls1_get_method, 435 .get_timeout = tls1_default_timeout, 436 .ssl_version = ssl_undefined_void_function, 437 .ssl_renegotiate = ssl_undefined_function, 438 .ssl_renegotiate_check = ssl_ok, 439 .ssl_pending = ssl3_pending, 440 .ssl_read_bytes = ssl3_read_bytes, 441 .ssl_write_bytes = ssl3_write_bytes, 442 .ssl3_enc = &TLSv1_2_enc_data, 443 }; 444 445 static const SSL_METHOD TLS_method_data = { 446 .ssl_dispatch_alert = ssl3_dispatch_alert, 447 .num_ciphers = ssl3_num_ciphers, 448 .get_cipher = ssl3_get_cipher, 449 .get_cipher_by_char = ssl3_get_cipher_by_char, 450 .put_cipher_by_char = ssl3_put_cipher_by_char, 451 .internal = &TLS_method_internal_data, 452 }; 453 454 static const SSL_METHOD_INTERNAL TLSv1_method_internal_data = { 455 .version = TLS1_VERSION, 456 .min_version = TLS1_VERSION, 457 .max_version = TLS1_VERSION, 458 .ssl_new = tls1_new, 459 .ssl_clear = tls1_clear, 460 .ssl_free = tls1_free, 461 .ssl_accept = ssl3_accept, 462 .ssl_connect = ssl3_connect, 463 .ssl_shutdown = ssl3_shutdown, 464 .get_ssl_method = tls1_get_method, 465 .get_timeout = tls1_default_timeout, 466 .ssl_version = ssl_undefined_void_function, 467 .ssl_renegotiate = ssl3_renegotiate, 468 .ssl_renegotiate_check = ssl3_renegotiate_check, 469 .ssl_pending = ssl3_pending, 470 .ssl_read_bytes = ssl3_read_bytes, 471 .ssl_write_bytes = ssl3_write_bytes, 472 .ssl3_enc = &TLSv1_enc_data, 473 }; 474 475 static const SSL_METHOD TLSv1_method_data = { 476 .ssl_dispatch_alert = ssl3_dispatch_alert, 477 .num_ciphers = ssl3_num_ciphers, 478 .get_cipher = ssl3_get_cipher, 479 .get_cipher_by_char = ssl3_get_cipher_by_char, 480 .put_cipher_by_char = ssl3_put_cipher_by_char, 481 .internal = &TLSv1_method_internal_data, 482 }; 483 484 static const SSL_METHOD_INTERNAL TLSv1_1_method_internal_data = { 485 .version = TLS1_1_VERSION, 486 .min_version = TLS1_1_VERSION, 487 .max_version = TLS1_1_VERSION, 488 .ssl_new = tls1_new, 489 .ssl_clear = tls1_clear, 490 .ssl_free = tls1_free, 491 .ssl_accept = ssl3_accept, 492 .ssl_connect = ssl3_connect, 493 .ssl_shutdown = ssl3_shutdown, 494 .get_ssl_method = tls1_get_method, 495 .get_timeout = tls1_default_timeout, 496 .ssl_version = ssl_undefined_void_function, 497 .ssl_renegotiate = ssl3_renegotiate, 498 .ssl_renegotiate_check = ssl3_renegotiate_check, 499 .ssl_pending = ssl3_pending, 500 .ssl_read_bytes = ssl3_read_bytes, 501 .ssl_write_bytes = ssl3_write_bytes, 502 .ssl3_enc = &TLSv1_1_enc_data, 503 }; 504 505 static const SSL_METHOD TLSv1_1_method_data = { 506 .ssl_dispatch_alert = ssl3_dispatch_alert, 507 .num_ciphers = ssl3_num_ciphers, 508 .get_cipher = ssl3_get_cipher, 509 .get_cipher_by_char = ssl3_get_cipher_by_char, 510 .put_cipher_by_char = ssl3_put_cipher_by_char, 511 .internal = &TLSv1_1_method_internal_data, 512 }; 513 514 static const SSL_METHOD_INTERNAL TLSv1_2_method_internal_data = { 515 .version = TLS1_2_VERSION, 516 .min_version = TLS1_2_VERSION, 517 .max_version = TLS1_2_VERSION, 518 .ssl_new = tls1_new, 519 .ssl_clear = tls1_clear, 520 .ssl_free = tls1_free, 521 .ssl_accept = ssl3_accept, 522 .ssl_connect = ssl3_connect, 523 .ssl_shutdown = ssl3_shutdown, 524 .get_ssl_method = tls1_get_method, 525 .get_timeout = tls1_default_timeout, 526 .ssl_version = ssl_undefined_void_function, 527 .ssl_renegotiate = ssl3_renegotiate, 528 .ssl_renegotiate_check = ssl3_renegotiate_check, 529 .ssl_pending = ssl3_pending, 530 .ssl_read_bytes = ssl3_read_bytes, 531 .ssl_write_bytes = ssl3_write_bytes, 532 .ssl3_enc = &TLSv1_2_enc_data, 533 }; 534 535 static const SSL_METHOD TLSv1_2_method_data = { 536 .ssl_dispatch_alert = ssl3_dispatch_alert, 537 .num_ciphers = ssl3_num_ciphers, 538 .get_cipher = ssl3_get_cipher, 539 .get_cipher_by_char = ssl3_get_cipher_by_char, 540 .put_cipher_by_char = ssl3_put_cipher_by_char, 541 .internal = &TLSv1_2_method_internal_data, 542 }; 543 544 static const SSL_METHOD * 545 tls1_get_method(int ver) 546 { 547 if (ver == TLS1_2_VERSION) 548 return (TLSv1_2_method()); 549 if (ver == TLS1_1_VERSION) 550 return (TLSv1_1_method()); 551 if (ver == TLS1_VERSION) 552 return (TLSv1_method()); 553 return (NULL); 554 } 555 556 const SSL_METHOD * 557 SSLv23_method(void) 558 { 559 return (TLS_method()); 560 } 561 562 const SSL_METHOD * 563 TLS_method(void) 564 { 565 return &TLS_method_data; 566 } 567 568 const SSL_METHOD * 569 TLSv1_method(void) 570 { 571 return (&TLSv1_method_data); 572 } 573 574 const SSL_METHOD * 575 TLSv1_1_method(void) 576 { 577 return (&TLSv1_1_method_data); 578 } 579 580 const SSL_METHOD * 581 TLSv1_2_method(void) 582 { 583 return (&TLSv1_2_method_data); 584 } 585 586 #ifdef LIBRESSL_HAS_TLS1_3_SERVER 587 static const SSL_METHOD_INTERNAL TLS_server_method_internal_data = { 588 .version = TLS1_3_VERSION, 589 .min_version = TLS1_VERSION, 590 .max_version = TLS1_3_VERSION, 591 .ssl_new = tls1_new, 592 .ssl_clear = tls1_clear, 593 .ssl_free = tls1_free, 594 .ssl_accept = tls13_legacy_accept, 595 .ssl_connect = ssl_undefined_function, 596 .ssl_shutdown = tls13_legacy_shutdown, 597 .get_ssl_method = tls1_get_server_method, 598 .get_timeout = tls1_default_timeout, 599 .ssl_version = ssl_undefined_void_function, 600 .ssl_renegotiate = ssl_undefined_function, 601 .ssl_renegotiate_check = ssl_ok, 602 .ssl_pending = tls13_legacy_pending, 603 .ssl_read_bytes = tls13_legacy_read_bytes, 604 .ssl_write_bytes = tls13_legacy_write_bytes, 605 .ssl3_enc = &TLSv1_3_enc_data, 606 }; 607 608 static const SSL_METHOD TLS_server_method_data = { 609 .ssl_dispatch_alert = ssl3_dispatch_alert, 610 .num_ciphers = ssl3_num_ciphers, 611 .get_cipher = ssl3_get_cipher, 612 .get_cipher_by_char = ssl3_get_cipher_by_char, 613 .put_cipher_by_char = ssl3_put_cipher_by_char, 614 .internal = &TLS_server_method_internal_data, 615 }; 616 #endif 617 618 static const SSL_METHOD_INTERNAL TLS_legacy_server_method_internal_data = { 619 .version = TLS1_2_VERSION, 620 .min_version = TLS1_VERSION, 621 .max_version = TLS1_2_VERSION, 622 .ssl_new = tls1_new, 623 .ssl_clear = tls1_clear, 624 .ssl_free = tls1_free, 625 .ssl_accept = ssl3_accept, 626 .ssl_connect = ssl_undefined_function, 627 .ssl_shutdown = ssl3_shutdown, 628 .get_ssl_method = tls1_get_server_method, 629 .get_timeout = tls1_default_timeout, 630 .ssl_version = ssl_undefined_void_function, 631 .ssl_renegotiate = ssl_undefined_function, 632 .ssl_renegotiate_check = ssl_ok, 633 .ssl_pending = ssl3_pending, 634 .ssl_read_bytes = ssl3_read_bytes, 635 .ssl_write_bytes = ssl3_write_bytes, 636 .ssl3_enc = &TLSv1_2_enc_data, 637 }; 638 639 static const SSL_METHOD TLS_legacy_server_method_data = { 640 .ssl_dispatch_alert = ssl3_dispatch_alert, 641 .num_ciphers = ssl3_num_ciphers, 642 .get_cipher = ssl3_get_cipher, 643 .get_cipher_by_char = ssl3_get_cipher_by_char, 644 .put_cipher_by_char = ssl3_put_cipher_by_char, 645 .internal = &TLS_legacy_server_method_internal_data, 646 }; 647 648 static const SSL_METHOD_INTERNAL TLSv1_server_method_internal_data = { 649 .version = TLS1_VERSION, 650 .min_version = TLS1_VERSION, 651 .max_version = TLS1_VERSION, 652 .ssl_new = tls1_new, 653 .ssl_clear = tls1_clear, 654 .ssl_free = tls1_free, 655 .ssl_accept = ssl3_accept, 656 .ssl_connect = ssl_undefined_function, 657 .ssl_shutdown = ssl3_shutdown, 658 .get_ssl_method = tls1_get_server_method, 659 .get_timeout = tls1_default_timeout, 660 .ssl_version = ssl_undefined_void_function, 661 .ssl_renegotiate = ssl3_renegotiate, 662 .ssl_renegotiate_check = ssl3_renegotiate_check, 663 .ssl_pending = ssl3_pending, 664 .ssl_read_bytes = ssl3_read_bytes, 665 .ssl_write_bytes = ssl3_write_bytes, 666 .ssl3_enc = &TLSv1_enc_data, 667 }; 668 669 static const SSL_METHOD TLSv1_server_method_data = { 670 .ssl_dispatch_alert = ssl3_dispatch_alert, 671 .num_ciphers = ssl3_num_ciphers, 672 .get_cipher = ssl3_get_cipher, 673 .get_cipher_by_char = ssl3_get_cipher_by_char, 674 .put_cipher_by_char = ssl3_put_cipher_by_char, 675 .internal = &TLSv1_server_method_internal_data, 676 }; 677 678 static const SSL_METHOD_INTERNAL TLSv1_1_server_method_internal_data = { 679 .version = TLS1_1_VERSION, 680 .min_version = TLS1_1_VERSION, 681 .max_version = TLS1_1_VERSION, 682 .ssl_new = tls1_new, 683 .ssl_clear = tls1_clear, 684 .ssl_free = tls1_free, 685 .ssl_accept = ssl3_accept, 686 .ssl_connect = ssl_undefined_function, 687 .ssl_shutdown = ssl3_shutdown, 688 .get_ssl_method = tls1_get_server_method, 689 .get_timeout = tls1_default_timeout, 690 .ssl_version = ssl_undefined_void_function, 691 .ssl_renegotiate = ssl3_renegotiate, 692 .ssl_renegotiate_check = ssl3_renegotiate_check, 693 .ssl_pending = ssl3_pending, 694 .ssl_read_bytes = ssl3_read_bytes, 695 .ssl_write_bytes = ssl3_write_bytes, 696 .ssl3_enc = &TLSv1_1_enc_data, 697 }; 698 699 static const SSL_METHOD TLSv1_1_server_method_data = { 700 .ssl_dispatch_alert = ssl3_dispatch_alert, 701 .num_ciphers = ssl3_num_ciphers, 702 .get_cipher = ssl3_get_cipher, 703 .get_cipher_by_char = ssl3_get_cipher_by_char, 704 .put_cipher_by_char = ssl3_put_cipher_by_char, 705 .internal = &TLSv1_1_server_method_internal_data, 706 }; 707 708 static const SSL_METHOD_INTERNAL TLSv1_2_server_method_internal_data = { 709 .version = TLS1_2_VERSION, 710 .min_version = TLS1_2_VERSION, 711 .max_version = TLS1_2_VERSION, 712 .ssl_new = tls1_new, 713 .ssl_clear = tls1_clear, 714 .ssl_free = tls1_free, 715 .ssl_accept = ssl3_accept, 716 .ssl_connect = ssl_undefined_function, 717 .ssl_shutdown = ssl3_shutdown, 718 .get_ssl_method = tls1_get_server_method, 719 .get_timeout = tls1_default_timeout, 720 .ssl_version = ssl_undefined_void_function, 721 .ssl_renegotiate = ssl3_renegotiate, 722 .ssl_renegotiate_check = ssl3_renegotiate_check, 723 .ssl_pending = ssl3_pending, 724 .ssl_read_bytes = ssl3_read_bytes, 725 .ssl_write_bytes = ssl3_write_bytes, 726 .ssl3_enc = &TLSv1_2_enc_data, 727 }; 728 729 static const SSL_METHOD TLSv1_2_server_method_data = { 730 .ssl_dispatch_alert = ssl3_dispatch_alert, 731 .num_ciphers = ssl3_num_ciphers, 732 .get_cipher = ssl3_get_cipher, 733 .get_cipher_by_char = ssl3_get_cipher_by_char, 734 .put_cipher_by_char = ssl3_put_cipher_by_char, 735 .internal = &TLSv1_2_server_method_internal_data, 736 }; 737 738 const SSL_METHOD * 739 tls1_get_server_method(int ver) 740 { 741 #ifdef LIBRESSL_HAS_TLS1_3_SERVER 742 if (ver == TLS1_3_VERSION) 743 return (TLS_server_method()); 744 #endif 745 if (ver == TLS1_2_VERSION) 746 return (TLSv1_2_server_method()); 747 if (ver == TLS1_1_VERSION) 748 return (TLSv1_1_server_method()); 749 if (ver == TLS1_VERSION) 750 return (TLSv1_server_method()); 751 return (NULL); 752 } 753 754 const SSL_METHOD * 755 SSLv23_server_method(void) 756 { 757 return (TLS_server_method()); 758 } 759 760 const SSL_METHOD * 761 TLS_server_method(void) 762 { 763 #ifdef LIBRESSL_HAS_TLS1_3_SERVER 764 return (&TLS_server_method_data); 765 #else 766 return tls_legacy_server_method(); 767 #endif 768 } 769 770 const SSL_METHOD * 771 tls_legacy_server_method(void) 772 { 773 return (&TLS_legacy_server_method_data); 774 } 775 776 const SSL_METHOD * 777 TLSv1_server_method(void) 778 { 779 return (&TLSv1_server_method_data); 780 } 781 782 const SSL_METHOD * 783 TLSv1_1_server_method(void) 784 { 785 return (&TLSv1_1_server_method_data); 786 } 787 788 const SSL_METHOD * 789 TLSv1_2_server_method(void) 790 { 791 return (&TLSv1_2_server_method_data); 792 } 793