ssl_asn1.c revision 306195
1/* ssl/ssl_asn1.c */ 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 * Copyright 2005 Nokia. All rights reserved. 60 * 61 * The portions of the attached software ("Contribution") is developed by 62 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 63 * license. 64 * 65 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 66 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 67 * support (see RFC 4279) to OpenSSL. 68 * 69 * No patent licenses or other rights except those expressly stated in 70 * the OpenSSL open source license shall be deemed granted or received 71 * expressly, by implication, estoppel, or otherwise. 72 * 73 * No assurances are provided by Nokia that the Contribution does not 74 * infringe the patent or other intellectual property rights of any third 75 * party or that the license provides you with all the necessary rights 76 * to make use of the Contribution. 77 * 78 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 79 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 80 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 81 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 82 * OTHERWISE. 83 */ 84 85#include <stdio.h> 86#include <stdlib.h> 87#include "ssl_locl.h" 88#include <openssl/asn1_mac.h> 89#include <openssl/objects.h> 90#include <openssl/x509.h> 91 92typedef struct ssl_session_asn1_st { 93 ASN1_INTEGER version; 94 ASN1_INTEGER ssl_version; 95 ASN1_OCTET_STRING cipher; 96 ASN1_OCTET_STRING comp_id; 97 ASN1_OCTET_STRING master_key; 98 ASN1_OCTET_STRING session_id; 99 ASN1_OCTET_STRING session_id_context; 100 ASN1_OCTET_STRING key_arg; 101#ifndef OPENSSL_NO_KRB5 102 ASN1_OCTET_STRING krb5_princ; 103#endif /* OPENSSL_NO_KRB5 */ 104 ASN1_INTEGER time; 105 ASN1_INTEGER timeout; 106 ASN1_INTEGER verify_result; 107#ifndef OPENSSL_NO_TLSEXT 108 ASN1_OCTET_STRING tlsext_hostname; 109 ASN1_INTEGER tlsext_tick_lifetime; 110 ASN1_OCTET_STRING tlsext_tick; 111#endif /* OPENSSL_NO_TLSEXT */ 112#ifndef OPENSSL_NO_PSK 113 ASN1_OCTET_STRING psk_identity_hint; 114 ASN1_OCTET_STRING psk_identity; 115#endif /* OPENSSL_NO_PSK */ 116#ifndef OPENSSL_NO_SRP 117 ASN1_OCTET_STRING srp_username; 118#endif /* OPENSSL_NO_SRP */ 119} SSL_SESSION_ASN1; 120 121int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp) 122{ 123#define LSIZE2 (sizeof(long)*2) 124 int v1 = 0, v2 = 0, v3 = 0, v4 = 0, v5 = 0; 125 unsigned char buf[4], ibuf1[LSIZE2], ibuf2[LSIZE2]; 126 unsigned char ibuf3[LSIZE2], ibuf4[LSIZE2], ibuf5[LSIZE2]; 127#ifndef OPENSSL_NO_TLSEXT 128 int v6 = 0, v9 = 0, v10 = 0; 129 unsigned char ibuf6[LSIZE2]; 130#endif 131#ifndef OPENSSL_NO_PSK 132 int v7 = 0, v8 = 0; 133#endif 134#ifndef OPENSSL_NO_COMP 135 unsigned char cbuf; 136 int v11 = 0; 137#endif 138#ifndef OPENSSL_NO_SRP 139 int v12 = 0; 140#endif 141 long l; 142 SSL_SESSION_ASN1 a; 143 M_ASN1_I2D_vars(in); 144 145 if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0))) 146 return (0); 147 148 /* 149 * Note that I cheat in the following 2 assignments. I know that if the 150 * ASN1_INTEGER passed to ASN1_INTEGER_set is > sizeof(long)+1, the 151 * buffer will not be re-OPENSSL_malloc()ed. This is a bit evil but makes 152 * things simple, no dynamic allocation to clean up :-) 153 */ 154 a.version.length = LSIZE2; 155 a.version.type = V_ASN1_INTEGER; 156 a.version.data = ibuf1; 157 ASN1_INTEGER_set(&(a.version), SSL_SESSION_ASN1_VERSION); 158 159 a.ssl_version.length = LSIZE2; 160 a.ssl_version.type = V_ASN1_INTEGER; 161 a.ssl_version.data = ibuf2; 162 ASN1_INTEGER_set(&(a.ssl_version), in->ssl_version); 163 164 a.cipher.type = V_ASN1_OCTET_STRING; 165 a.cipher.data = buf; 166 167 if (in->cipher == NULL) 168 l = in->cipher_id; 169 else 170 l = in->cipher->id; 171 if (in->ssl_version == SSL2_VERSION) { 172 a.cipher.length = 3; 173 buf[0] = ((unsigned char)(l >> 16L)) & 0xff; 174 buf[1] = ((unsigned char)(l >> 8L)) & 0xff; 175 buf[2] = ((unsigned char)(l)) & 0xff; 176 } else { 177 a.cipher.length = 2; 178 buf[0] = ((unsigned char)(l >> 8L)) & 0xff; 179 buf[1] = ((unsigned char)(l)) & 0xff; 180 } 181 182#ifndef OPENSSL_NO_COMP 183 if (in->compress_meth) { 184 cbuf = (unsigned char)in->compress_meth; 185 a.comp_id.length = 1; 186 a.comp_id.type = V_ASN1_OCTET_STRING; 187 a.comp_id.data = &cbuf; 188 } 189#endif 190 191 a.master_key.length = in->master_key_length; 192 a.master_key.type = V_ASN1_OCTET_STRING; 193 a.master_key.data = in->master_key; 194 195 a.session_id.length = in->session_id_length; 196 a.session_id.type = V_ASN1_OCTET_STRING; 197 a.session_id.data = in->session_id; 198 199 a.session_id_context.length = in->sid_ctx_length; 200 a.session_id_context.type = V_ASN1_OCTET_STRING; 201 a.session_id_context.data = in->sid_ctx; 202 203 a.key_arg.length = in->key_arg_length; 204 a.key_arg.type = V_ASN1_OCTET_STRING; 205 a.key_arg.data = in->key_arg; 206 207#ifndef OPENSSL_NO_KRB5 208 if (in->krb5_client_princ_len) { 209 a.krb5_princ.length = in->krb5_client_princ_len; 210 a.krb5_princ.type = V_ASN1_OCTET_STRING; 211 a.krb5_princ.data = in->krb5_client_princ; 212 } 213#endif /* OPENSSL_NO_KRB5 */ 214 215 if (in->time != 0L) { 216 a.time.length = LSIZE2; 217 a.time.type = V_ASN1_INTEGER; 218 a.time.data = ibuf3; 219 ASN1_INTEGER_set(&(a.time), in->time); 220 } 221 222 if (in->timeout != 0L) { 223 a.timeout.length = LSIZE2; 224 a.timeout.type = V_ASN1_INTEGER; 225 a.timeout.data = ibuf4; 226 ASN1_INTEGER_set(&(a.timeout), in->timeout); 227 } 228 229 if (in->verify_result != X509_V_OK) { 230 a.verify_result.length = LSIZE2; 231 a.verify_result.type = V_ASN1_INTEGER; 232 a.verify_result.data = ibuf5; 233 ASN1_INTEGER_set(&a.verify_result, in->verify_result); 234 } 235#ifndef OPENSSL_NO_TLSEXT 236 if (in->tlsext_hostname) { 237 a.tlsext_hostname.length = strlen(in->tlsext_hostname); 238 a.tlsext_hostname.type = V_ASN1_OCTET_STRING; 239 a.tlsext_hostname.data = (unsigned char *)in->tlsext_hostname; 240 } 241 if (in->tlsext_tick) { 242 a.tlsext_tick.length = in->tlsext_ticklen; 243 a.tlsext_tick.type = V_ASN1_OCTET_STRING; 244 a.tlsext_tick.data = (unsigned char *)in->tlsext_tick; 245 } 246 if (in->tlsext_tick_lifetime_hint > 0) { 247 a.tlsext_tick_lifetime.length = LSIZE2; 248 a.tlsext_tick_lifetime.type = V_ASN1_INTEGER; 249 a.tlsext_tick_lifetime.data = ibuf6; 250 ASN1_INTEGER_set(&a.tlsext_tick_lifetime, 251 in->tlsext_tick_lifetime_hint); 252 } 253#endif /* OPENSSL_NO_TLSEXT */ 254#ifndef OPENSSL_NO_PSK 255 if (in->psk_identity_hint) { 256 a.psk_identity_hint.length = strlen(in->psk_identity_hint); 257 a.psk_identity_hint.type = V_ASN1_OCTET_STRING; 258 a.psk_identity_hint.data = (unsigned char *)(in->psk_identity_hint); 259 } 260 if (in->psk_identity) { 261 a.psk_identity.length = strlen(in->psk_identity); 262 a.psk_identity.type = V_ASN1_OCTET_STRING; 263 a.psk_identity.data = (unsigned char *)(in->psk_identity); 264 } 265#endif /* OPENSSL_NO_PSK */ 266#ifndef OPENSSL_NO_SRP 267 if (in->srp_username) { 268 a.srp_username.length = strlen(in->srp_username); 269 a.srp_username.type = V_ASN1_OCTET_STRING; 270 a.srp_username.data = (unsigned char *)(in->srp_username); 271 } 272#endif /* OPENSSL_NO_SRP */ 273 274 M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER); 275 M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER); 276 M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING); 277 M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING); 278 M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING); 279#ifndef OPENSSL_NO_KRB5 280 if (in->krb5_client_princ_len) 281 M_ASN1_I2D_len(&(a.krb5_princ), i2d_ASN1_OCTET_STRING); 282#endif /* OPENSSL_NO_KRB5 */ 283 if (in->key_arg_length > 0) 284 M_ASN1_I2D_len_IMP_opt(&(a.key_arg), i2d_ASN1_OCTET_STRING); 285 if (in->time != 0L) 286 M_ASN1_I2D_len_EXP_opt(&(a.time), i2d_ASN1_INTEGER, 1, v1); 287 if (in->timeout != 0L) 288 M_ASN1_I2D_len_EXP_opt(&(a.timeout), i2d_ASN1_INTEGER, 2, v2); 289 if (in->peer != NULL) 290 M_ASN1_I2D_len_EXP_opt(in->peer, i2d_X509, 3, v3); 291 M_ASN1_I2D_len_EXP_opt(&a.session_id_context, i2d_ASN1_OCTET_STRING, 4, 292 v4); 293 if (in->verify_result != X509_V_OK) 294 M_ASN1_I2D_len_EXP_opt(&(a.verify_result), i2d_ASN1_INTEGER, 5, v5); 295 296#ifndef OPENSSL_NO_TLSEXT 297 if (in->tlsext_tick_lifetime_hint > 0) 298 M_ASN1_I2D_len_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER, 9, 299 v9); 300 if (in->tlsext_tick) 301 M_ASN1_I2D_len_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING, 10, 302 v10); 303 if (in->tlsext_hostname) 304 M_ASN1_I2D_len_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING, 6, 305 v6); 306# ifndef OPENSSL_NO_COMP 307 if (in->compress_meth) 308 M_ASN1_I2D_len_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING, 11, v11); 309# endif 310#endif /* OPENSSL_NO_TLSEXT */ 311#ifndef OPENSSL_NO_PSK 312 if (in->psk_identity_hint) 313 M_ASN1_I2D_len_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING, 314 7, v7); 315 if (in->psk_identity) 316 M_ASN1_I2D_len_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING, 8, 317 v8); 318#endif /* OPENSSL_NO_PSK */ 319#ifndef OPENSSL_NO_SRP 320 if (in->srp_username) 321 M_ASN1_I2D_len_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING, 12, 322 v12); 323#endif /* OPENSSL_NO_SRP */ 324 325 M_ASN1_I2D_seq_total(); 326 327 M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER); 328 M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER); 329 M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING); 330 M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING); 331 M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING); 332#ifndef OPENSSL_NO_KRB5 333 if (in->krb5_client_princ_len) 334 M_ASN1_I2D_put(&(a.krb5_princ), i2d_ASN1_OCTET_STRING); 335#endif /* OPENSSL_NO_KRB5 */ 336 if (in->key_arg_length > 0) 337 M_ASN1_I2D_put_IMP_opt(&(a.key_arg), i2d_ASN1_OCTET_STRING, 0); 338 if (in->time != 0L) 339 M_ASN1_I2D_put_EXP_opt(&(a.time), i2d_ASN1_INTEGER, 1, v1); 340 if (in->timeout != 0L) 341 M_ASN1_I2D_put_EXP_opt(&(a.timeout), i2d_ASN1_INTEGER, 2, v2); 342 if (in->peer != NULL) 343 M_ASN1_I2D_put_EXP_opt(in->peer, i2d_X509, 3, v3); 344 M_ASN1_I2D_put_EXP_opt(&a.session_id_context, i2d_ASN1_OCTET_STRING, 4, 345 v4); 346 if (in->verify_result != X509_V_OK) 347 M_ASN1_I2D_put_EXP_opt(&a.verify_result, i2d_ASN1_INTEGER, 5, v5); 348#ifndef OPENSSL_NO_TLSEXT 349 if (in->tlsext_hostname) 350 M_ASN1_I2D_put_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING, 6, 351 v6); 352#endif /* OPENSSL_NO_TLSEXT */ 353#ifndef OPENSSL_NO_PSK 354 if (in->psk_identity_hint) 355 M_ASN1_I2D_put_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING, 356 7, v7); 357 if (in->psk_identity) 358 M_ASN1_I2D_put_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING, 8, 359 v8); 360#endif /* OPENSSL_NO_PSK */ 361#ifndef OPENSSL_NO_TLSEXT 362 if (in->tlsext_tick_lifetime_hint > 0) 363 M_ASN1_I2D_put_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER, 9, 364 v9); 365 if (in->tlsext_tick) 366 M_ASN1_I2D_put_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING, 10, 367 v10); 368#endif /* OPENSSL_NO_TLSEXT */ 369#ifndef OPENSSL_NO_COMP 370 if (in->compress_meth) 371 M_ASN1_I2D_put_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING, 11, v11); 372#endif 373#ifndef OPENSSL_NO_SRP 374 if (in->srp_username) 375 M_ASN1_I2D_put_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING, 12, 376 v12); 377#endif /* OPENSSL_NO_SRP */ 378 M_ASN1_I2D_finish(); 379} 380 381SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, 382 long length) 383{ 384 int ssl_version = 0, i; 385 long id; 386 ASN1_INTEGER ai, *aip; 387 ASN1_OCTET_STRING os, *osp; 388 M_ASN1_D2I_vars(a, SSL_SESSION *, SSL_SESSION_new); 389 390 aip = &ai; 391 osp = &os; 392 393 M_ASN1_D2I_Init(); 394 M_ASN1_D2I_start_sequence(); 395 396 ai.data = NULL; 397 ai.length = 0; 398 M_ASN1_D2I_get_x(ASN1_INTEGER, aip, d2i_ASN1_INTEGER); 399 if (ai.data != NULL) { 400 OPENSSL_free(ai.data); 401 ai.data = NULL; 402 ai.length = 0; 403 } 404 405 /* we don't care about the version right now :-) */ 406 M_ASN1_D2I_get_x(ASN1_INTEGER, aip, d2i_ASN1_INTEGER); 407 ssl_version = (int)ASN1_INTEGER_get(aip); 408 ret->ssl_version = ssl_version; 409 if (ai.data != NULL) { 410 OPENSSL_free(ai.data); 411 ai.data = NULL; 412 ai.length = 0; 413 } 414 415 os.data = NULL; 416 os.length = 0; 417 M_ASN1_D2I_get_x(ASN1_OCTET_STRING, osp, d2i_ASN1_OCTET_STRING); 418 if (ssl_version == SSL2_VERSION) { 419 if (os.length != 3) { 420 c.error = SSL_R_CIPHER_CODE_WRONG_LENGTH; 421 c.line = __LINE__; 422 goto err; 423 } 424 id = 0x02000000L | 425 ((unsigned long)os.data[0] << 16L) | 426 ((unsigned long)os.data[1] << 8L) | (unsigned long)os.data[2]; 427 } else if ((ssl_version >> 8) == SSL3_VERSION_MAJOR 428 || (ssl_version >> 8) == DTLS1_VERSION_MAJOR 429 || ssl_version == DTLS1_BAD_VER) { 430 if (os.length != 2) { 431 c.error = SSL_R_CIPHER_CODE_WRONG_LENGTH; 432 c.line = __LINE__; 433 goto err; 434 } 435 id = 0x03000000L | 436 ((unsigned long)os.data[0] << 8L) | (unsigned long)os.data[1]; 437 } else { 438 c.error = SSL_R_UNKNOWN_SSL_VERSION; 439 c.line = __LINE__; 440 goto err; 441 } 442 443 ret->cipher = NULL; 444 ret->cipher_id = id; 445 446 M_ASN1_D2I_get_x(ASN1_OCTET_STRING, osp, d2i_ASN1_OCTET_STRING); 447 if ((ssl_version >> 8) >= SSL3_VERSION_MAJOR) 448 i = SSL3_MAX_SSL_SESSION_ID_LENGTH; 449 else /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */ 450 i = SSL2_MAX_SSL_SESSION_ID_LENGTH; 451 452 if (os.length > i) 453 os.length = i; 454 if (os.length > (int)sizeof(ret->session_id)) /* can't happen */ 455 os.length = sizeof(ret->session_id); 456 457 ret->session_id_length = os.length; 458 OPENSSL_assert(os.length <= (int)sizeof(ret->session_id)); 459 memcpy(ret->session_id, os.data, os.length); 460 461 M_ASN1_D2I_get_x(ASN1_OCTET_STRING, osp, d2i_ASN1_OCTET_STRING); 462 if (os.length > SSL_MAX_MASTER_KEY_LENGTH) 463 ret->master_key_length = SSL_MAX_MASTER_KEY_LENGTH; 464 else 465 ret->master_key_length = os.length; 466 memcpy(ret->master_key, os.data, ret->master_key_length); 467 468 os.length = 0; 469 470#ifndef OPENSSL_NO_KRB5 471 os.length = 0; 472 M_ASN1_D2I_get_opt(osp, d2i_ASN1_OCTET_STRING, V_ASN1_OCTET_STRING); 473 if (os.data) { 474 if (os.length > SSL_MAX_KRB5_PRINCIPAL_LENGTH) 475 ret->krb5_client_princ_len = 0; 476 else 477 ret->krb5_client_princ_len = os.length; 478 memcpy(ret->krb5_client_princ, os.data, ret->krb5_client_princ_len); 479 OPENSSL_free(os.data); 480 os.data = NULL; 481 os.length = 0; 482 } else 483 ret->krb5_client_princ_len = 0; 484#endif /* OPENSSL_NO_KRB5 */ 485 486 M_ASN1_D2I_get_IMP_opt(osp, d2i_ASN1_OCTET_STRING, 0, 487 V_ASN1_OCTET_STRING); 488 if (os.length > SSL_MAX_KEY_ARG_LENGTH) 489 ret->key_arg_length = SSL_MAX_KEY_ARG_LENGTH; 490 else 491 ret->key_arg_length = os.length; 492 memcpy(ret->key_arg, os.data, ret->key_arg_length); 493 if (os.data != NULL) 494 OPENSSL_free(os.data); 495 496 ai.length = 0; 497 M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 1); 498 if (ai.data != NULL) { 499 ret->time = ASN1_INTEGER_get(aip); 500 OPENSSL_free(ai.data); 501 ai.data = NULL; 502 ai.length = 0; 503 } else 504 ret->time = (unsigned long)time(NULL); 505 506 ai.length = 0; 507 M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 2); 508 if (ai.data != NULL) { 509 ret->timeout = ASN1_INTEGER_get(aip); 510 OPENSSL_free(ai.data); 511 ai.data = NULL; 512 ai.length = 0; 513 } else 514 ret->timeout = 3; 515 516 if (ret->peer != NULL) { 517 X509_free(ret->peer); 518 ret->peer = NULL; 519 } 520 M_ASN1_D2I_get_EXP_opt(ret->peer, d2i_X509, 3); 521 522 os.length = 0; 523 os.data = NULL; 524 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 4); 525 526 if (os.data != NULL) { 527 if (os.length > SSL_MAX_SID_CTX_LENGTH) { 528 c.error = SSL_R_BAD_LENGTH; 529 c.line = __LINE__; 530 OPENSSL_free(os.data); 531 os.data = NULL; 532 os.length = 0; 533 goto err; 534 } else { 535 ret->sid_ctx_length = os.length; 536 memcpy(ret->sid_ctx, os.data, os.length); 537 } 538 OPENSSL_free(os.data); 539 os.data = NULL; 540 os.length = 0; 541 } else 542 ret->sid_ctx_length = 0; 543 544 ai.length = 0; 545 M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 5); 546 if (ai.data != NULL) { 547 ret->verify_result = ASN1_INTEGER_get(aip); 548 OPENSSL_free(ai.data); 549 ai.data = NULL; 550 ai.length = 0; 551 } else 552 ret->verify_result = X509_V_OK; 553 554#ifndef OPENSSL_NO_TLSEXT 555 os.length = 0; 556 os.data = NULL; 557 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 6); 558 if (os.data) { 559 ret->tlsext_hostname = BUF_strndup((char *)os.data, os.length); 560 OPENSSL_free(os.data); 561 os.data = NULL; 562 os.length = 0; 563 } else 564 ret->tlsext_hostname = NULL; 565#endif /* OPENSSL_NO_TLSEXT */ 566 567#ifndef OPENSSL_NO_PSK 568 os.length = 0; 569 os.data = NULL; 570 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 7); 571 if (os.data) { 572 ret->psk_identity_hint = BUF_strndup((char *)os.data, os.length); 573 OPENSSL_free(os.data); 574 os.data = NULL; 575 os.length = 0; 576 } else 577 ret->psk_identity_hint = NULL; 578 579 os.length = 0; 580 os.data = NULL; 581 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 8); 582 if (os.data) { 583 ret->psk_identity = BUF_strndup((char *)os.data, os.length); 584 OPENSSL_free(os.data); 585 os.data = NULL; 586 os.length = 0; 587 } else 588 ret->psk_identity = NULL; 589#endif /* OPENSSL_NO_PSK */ 590 591#ifndef OPENSSL_NO_TLSEXT 592 ai.length = 0; 593 M_ASN1_D2I_get_EXP_opt(aip, d2i_ASN1_INTEGER, 9); 594 if (ai.data != NULL) { 595 ret->tlsext_tick_lifetime_hint = ASN1_INTEGER_get(aip); 596 OPENSSL_free(ai.data); 597 ai.data = NULL; 598 ai.length = 0; 599 } else if (ret->tlsext_ticklen && ret->session_id_length) 600 ret->tlsext_tick_lifetime_hint = -1; 601 else 602 ret->tlsext_tick_lifetime_hint = 0; 603 os.length = 0; 604 os.data = NULL; 605 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 10); 606 if (os.data) { 607 ret->tlsext_tick = os.data; 608 ret->tlsext_ticklen = os.length; 609 os.data = NULL; 610 os.length = 0; 611 } else 612 ret->tlsext_tick = NULL; 613#endif /* OPENSSL_NO_TLSEXT */ 614#ifndef OPENSSL_NO_COMP 615 os.length = 0; 616 os.data = NULL; 617 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 11); 618 if (os.data) { 619 ret->compress_meth = os.data[0]; 620 OPENSSL_free(os.data); 621 os.data = NULL; 622 } 623#endif 624 625#ifndef OPENSSL_NO_SRP 626 os.length = 0; 627 os.data = NULL; 628 M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 12); 629 if (os.data) { 630 ret->srp_username = BUF_strndup((char *)os.data, os.length); 631 OPENSSL_free(os.data); 632 os.data = NULL; 633 os.length = 0; 634 } else 635 ret->srp_username = NULL; 636#endif /* OPENSSL_NO_SRP */ 637 638 M_ASN1_D2I_Finish(a, SSL_SESSION_free, SSL_F_D2I_SSL_SESSION); 639} 640