1 /* ssl/ssl_asn1.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 92 typedef struct ssl_session_asn1_st 93 { 94 ASN1_INTEGER version; 95 ASN1_INTEGER ssl_version; 96 ASN1_OCTET_STRING cipher; 97 ASN1_OCTET_STRING comp_id; 98 ASN1_OCTET_STRING master_key; 99 ASN1_OCTET_STRING session_id; 100 ASN1_OCTET_STRING session_id_context; 101 ASN1_OCTET_STRING key_arg; 102 #ifndef OPENSSL_NO_KRB5 103 ASN1_OCTET_STRING krb5_princ; 104 #endif /* OPENSSL_NO_KRB5 */ 105 ASN1_INTEGER time; 106 ASN1_INTEGER timeout; 107 ASN1_INTEGER verify_result; 108 #ifndef OPENSSL_NO_TLSEXT 109 ASN1_OCTET_STRING tlsext_hostname; 110 ASN1_INTEGER tlsext_tick_lifetime; 111 ASN1_OCTET_STRING tlsext_tick; 112 #endif /* OPENSSL_NO_TLSEXT */ 113 #ifndef OPENSSL_NO_PSK 114 ASN1_OCTET_STRING psk_identity_hint; 115 ASN1_OCTET_STRING psk_identity; 116 #endif /* OPENSSL_NO_PSK */ 117 #ifndef OPENSSL_NO_SRP 118 ASN1_OCTET_STRING srp_username; 119 #endif /* OPENSSL_NO_SRP */ 120 ASN1_OCTET_STRING original_handshake_hash; 121 } SSL_SESSION_ASN1; 122 123 int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp) 124 { 125 #define LSIZE2 (sizeof(long)*2) 126 int v1=0,v2=0,v3=0,v4=0,v5=0,v7=0,v8=0,v14=0; 127 unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2]; 128 unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2],ibuf5[LSIZE2]; 129 #ifndef OPENSSL_NO_TLSEXT 130 int v6=0,v9=0,v10=0; 131 unsigned char ibuf6[LSIZE2]; 132 #endif 133 #ifndef OPENSSL_NO_COMP 134 unsigned char cbuf; 135 int v11=0; 136 #endif 137 #ifndef OPENSSL_NO_SRP 138 int v12=0; 139 #endif 140 long l; 141 SSL_SESSION_ASN1 a; 142 M_ASN1_I2D_vars(in); 143 144 if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0))) 145 return(0); 146 147 /* Note that I cheat in the following 2 assignments. I know 148 * that if the ASN1_INTEGER passed to ASN1_INTEGER_set 149 * is > sizeof(long)+1, the buffer will not be re-OPENSSL_malloc()ed. 150 * This is a bit evil but makes things simple, no dynamic allocation 151 * to clean up :-) */ 152 a.version.length=LSIZE2; 153 a.version.type=V_ASN1_INTEGER; 154 a.version.data=ibuf1; 155 ASN1_INTEGER_set(&(a.version),SSL_SESSION_ASN1_VERSION); 156 157 a.ssl_version.length=LSIZE2; 158 a.ssl_version.type=V_ASN1_INTEGER; 159 a.ssl_version.data=ibuf2; 160 ASN1_INTEGER_set(&(a.ssl_version),in->ssl_version); 161 162 a.cipher.type=V_ASN1_OCTET_STRING; 163 a.cipher.data=buf; 164 165 if (in->cipher == NULL) 166 l=in->cipher_id; 167 else 168 l=in->cipher->id; 169 if (in->ssl_version == SSL2_VERSION) 170 { 171 a.cipher.length=3; 172 buf[0]=((unsigned char)(l>>16L))&0xff; 173 buf[1]=((unsigned char)(l>> 8L))&0xff; 174 buf[2]=((unsigned char)(l ))&0xff; 175 } 176 else 177 { 178 a.cipher.length=2; 179 buf[0]=((unsigned char)(l>>8L))&0xff; 180 buf[1]=((unsigned char)(l ))&0xff; 181 } 182 183 #ifndef OPENSSL_NO_COMP 184 if (in->compress_meth) 185 { 186 cbuf = (unsigned char)in->compress_meth; 187 a.comp_id.length = 1; 188 a.comp_id.type = V_ASN1_OCTET_STRING; 189 a.comp_id.data = &cbuf; 190 } 191 #endif 192 193 a.master_key.length=in->master_key_length; 194 a.master_key.type=V_ASN1_OCTET_STRING; 195 a.master_key.data=in->master_key; 196 197 a.session_id.length=in->session_id_length; 198 a.session_id.type=V_ASN1_OCTET_STRING; 199 a.session_id.data=in->session_id; 200 201 a.session_id_context.length=in->sid_ctx_length; 202 a.session_id_context.type=V_ASN1_OCTET_STRING; 203 a.session_id_context.data=in->sid_ctx; 204 205 a.key_arg.length=in->key_arg_length; 206 a.key_arg.type=V_ASN1_OCTET_STRING; 207 a.key_arg.data=in->key_arg; 208 209 #ifndef OPENSSL_NO_KRB5 210 if (in->krb5_client_princ_len) 211 { 212 a.krb5_princ.length=in->krb5_client_princ_len; 213 a.krb5_princ.type=V_ASN1_OCTET_STRING; 214 a.krb5_princ.data=in->krb5_client_princ; 215 } 216 #endif /* OPENSSL_NO_KRB5 */ 217 218 if (in->time != 0L) 219 { 220 a.time.length=LSIZE2; 221 a.time.type=V_ASN1_INTEGER; 222 a.time.data=ibuf3; 223 ASN1_INTEGER_set(&(a.time),in->time); 224 } 225 226 if (in->timeout != 0L) 227 { 228 a.timeout.length=LSIZE2; 229 a.timeout.type=V_ASN1_INTEGER; 230 a.timeout.data=ibuf4; 231 ASN1_INTEGER_set(&(a.timeout),in->timeout); 232 } 233 234 if (in->verify_result != X509_V_OK) 235 { 236 a.verify_result.length=LSIZE2; 237 a.verify_result.type=V_ASN1_INTEGER; 238 a.verify_result.data=ibuf5; 239 ASN1_INTEGER_set(&a.verify_result,in->verify_result); 240 } 241 242 #ifndef OPENSSL_NO_TLSEXT 243 if (in->tlsext_hostname) 244 { 245 a.tlsext_hostname.length=strlen(in->tlsext_hostname); 246 a.tlsext_hostname.type=V_ASN1_OCTET_STRING; 247 a.tlsext_hostname.data=(unsigned char *)in->tlsext_hostname; 248 } 249 if (in->tlsext_tick) 250 { 251 a.tlsext_tick.length= in->tlsext_ticklen; 252 a.tlsext_tick.type=V_ASN1_OCTET_STRING; 253 a.tlsext_tick.data=(unsigned char *)in->tlsext_tick; 254 } 255 if (in->tlsext_tick_lifetime_hint > 0) 256 { 257 a.tlsext_tick_lifetime.length=LSIZE2; 258 a.tlsext_tick_lifetime.type=V_ASN1_INTEGER; 259 a.tlsext_tick_lifetime.data=ibuf6; 260 ASN1_INTEGER_set(&a.tlsext_tick_lifetime,in->tlsext_tick_lifetime_hint); 261 } 262 #endif /* OPENSSL_NO_TLSEXT */ 263 #ifndef OPENSSL_NO_PSK 264 if (in->psk_identity_hint) 265 { 266 a.psk_identity_hint.length=strlen(in->psk_identity_hint); 267 a.psk_identity_hint.type=V_ASN1_OCTET_STRING; 268 a.psk_identity_hint.data=(unsigned char *)(in->psk_identity_hint); 269 } 270 if (in->psk_identity) 271 { 272 a.psk_identity.length=strlen(in->psk_identity); 273 a.psk_identity.type=V_ASN1_OCTET_STRING; 274 a.psk_identity.data=(unsigned char *)(in->psk_identity); 275 } 276 277 if (in->original_handshake_hash_len > 0) 278 { 279 a.original_handshake_hash.length = in->original_handshake_hash_len; 280 a.original_handshake_hash.type = V_ASN1_OCTET_STRING; 281 a.original_handshake_hash.data = in->original_handshake_hash; 282 } 283 #endif /* OPENSSL_NO_PSK */ 284 #ifndef OPENSSL_NO_SRP 285 if (in->srp_username) 286 { 287 a.srp_username.length=strlen(in->srp_username); 288 a.srp_username.type=V_ASN1_OCTET_STRING; 289 a.srp_username.data=(unsigned char *)(in->srp_username); 290 } 291 #endif /* OPENSSL_NO_SRP */ 292 293 M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER); 294 M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER); 295 M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING); 296 M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING); 297 M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING); 298 #ifndef OPENSSL_NO_KRB5 299 if (in->krb5_client_princ_len) 300 M_ASN1_I2D_len(&(a.krb5_princ), i2d_ASN1_OCTET_STRING); 301 #endif /* OPENSSL_NO_KRB5 */ 302 if (in->key_arg_length > 0) 303 M_ASN1_I2D_len_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING); 304 if (in->time != 0L) 305 M_ASN1_I2D_len_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1); 306 if (in->timeout != 0L) 307 M_ASN1_I2D_len_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2); 308 if (in->peer != NULL) 309 M_ASN1_I2D_len_EXP_opt(in->peer,i2d_X509,3,v3); 310 M_ASN1_I2D_len_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,v4); 311 if (in->verify_result != X509_V_OK) 312 M_ASN1_I2D_len_EXP_opt(&(a.verify_result),i2d_ASN1_INTEGER,5,v5); 313 314 #ifndef OPENSSL_NO_TLSEXT 315 if (in->tlsext_tick_lifetime_hint > 0) 316 M_ASN1_I2D_len_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER,9,v9); 317 if (in->tlsext_tick) 318 M_ASN1_I2D_len_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING,10,v10); 319 if (in->tlsext_hostname) 320 M_ASN1_I2D_len_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6); 321 #ifndef OPENSSL_NO_COMP 322 if (in->compress_meth) 323 M_ASN1_I2D_len_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING,11,v11); 324 #endif 325 #endif /* OPENSSL_NO_TLSEXT */ 326 #ifndef OPENSSL_NO_PSK 327 if (in->psk_identity_hint) 328 M_ASN1_I2D_len_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,7,v7); 329 if (in->psk_identity) 330 M_ASN1_I2D_len_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,8,v8); 331 #endif /* OPENSSL_NO_PSK */ 332 #ifndef OPENSSL_NO_SRP 333 if (in->srp_username) 334 M_ASN1_I2D_len_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING,12,v12); 335 #endif /* OPENSSL_NO_SRP */ 336 if (in->original_handshake_hash_len > 0) 337 M_ASN1_I2D_len_EXP_opt(&(a.original_handshake_hash),i2d_ASN1_OCTET_STRING,14,v14); 338 339 M_ASN1_I2D_seq_total(); 340 341 M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER); 342 M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER); 343 M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING); 344 M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING); 345 M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING); 346 #ifndef OPENSSL_NO_KRB5 347 if (in->krb5_client_princ_len) 348 M_ASN1_I2D_put(&(a.krb5_princ), i2d_ASN1_OCTET_STRING); 349 #endif /* OPENSSL_NO_KRB5 */ 350 if (in->key_arg_length > 0) 351 M_ASN1_I2D_put_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING,0); 352 if (in->time != 0L) 353 M_ASN1_I2D_put_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1); 354 if (in->timeout != 0L) 355 M_ASN1_I2D_put_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2); 356 if (in->peer != NULL) 357 M_ASN1_I2D_put_EXP_opt(in->peer,i2d_X509,3,v3); 358 M_ASN1_I2D_put_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4, 359 v4); 360 if (in->verify_result != X509_V_OK) 361 M_ASN1_I2D_put_EXP_opt(&a.verify_result,i2d_ASN1_INTEGER,5,v5); 362 #ifndef OPENSSL_NO_TLSEXT 363 if (in->tlsext_hostname) 364 M_ASN1_I2D_put_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6); 365 #endif /* OPENSSL_NO_TLSEXT */ 366 #ifndef OPENSSL_NO_PSK 367 if (in->psk_identity_hint) 368 M_ASN1_I2D_put_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,7,v7); 369 if (in->psk_identity) 370 M_ASN1_I2D_put_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,8,v8); 371 #endif /* OPENSSL_NO_PSK */ 372 #ifndef OPENSSL_NO_TLSEXT 373 if (in->tlsext_tick_lifetime_hint > 0) 374 M_ASN1_I2D_put_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER,9,v9); 375 if (in->tlsext_tick) 376 M_ASN1_I2D_put_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING,10,v10); 377 #endif /* OPENSSL_NO_TLSEXT */ 378 #ifndef OPENSSL_NO_COMP 379 if (in->compress_meth) 380 M_ASN1_I2D_put_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING,11,v11); 381 #endif 382 #ifndef OPENSSL_NO_SRP 383 if (in->srp_username) 384 M_ASN1_I2D_put_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING,12,v12); 385 #endif /* OPENSSL_NO_SRP */ 386 if (in->original_handshake_hash_len > 0) 387 M_ASN1_I2D_put_EXP_opt(&(a.original_handshake_hash),i2d_ASN1_OCTET_STRING,14,v14); 388 M_ASN1_I2D_finish(); 389 } 390 391 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, 392 long length) 393 { 394 int ssl_version=0,i; 395 long id; 396 ASN1_INTEGER ai,*aip; 397 ASN1_OCTET_STRING os,*osp; 398 M_ASN1_D2I_vars(a,SSL_SESSION *,SSL_SESSION_new); 399 400 aip= &ai; 401 osp= &os; 402 403 M_ASN1_D2I_Init(); 404 M_ASN1_D2I_start_sequence(); 405 406 ai.data=NULL; ai.length=0; 407 M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER); 408 if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; } 409 410 /* we don't care about the version right now :-) */ 411 M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER); 412 ssl_version=(int)ASN1_INTEGER_get(aip); 413 ret->ssl_version=ssl_version; 414 if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; } 415 416 os.data=NULL; os.length=0; 417 M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING); 418 if (ssl_version == SSL2_VERSION) 419 { 420 if (os.length != 3) 421 { 422 c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH; 423 c.line=__LINE__; 424 goto err; 425 } 426 id=0x02000000L| 427 ((unsigned long)os.data[0]<<16L)| 428 ((unsigned long)os.data[1]<< 8L)| 429 (unsigned long)os.data[2]; 430 } 431 else if ((ssl_version>>8) >= SSL3_VERSION_MAJOR) 432 { 433 if (os.length != 2) 434 { 435 c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH; 436 c.line=__LINE__; 437 goto err; 438 } 439 id=0x03000000L| 440 ((unsigned long)os.data[0]<<8L)| 441 (unsigned long)os.data[1]; 442 } 443 else 444 { 445 c.error=SSL_R_UNKNOWN_SSL_VERSION; 446 c.line=__LINE__; 447 goto err; 448 } 449 450 ret->cipher=NULL; 451 ret->cipher_id=id; 452 453 M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING); 454 if ((ssl_version>>8) >= SSL3_VERSION_MAJOR) 455 i=SSL3_MAX_SSL_SESSION_ID_LENGTH; 456 else /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */ 457 i=SSL2_MAX_SSL_SESSION_ID_LENGTH; 458 459 if (os.length > i) 460 os.length = i; 461 if (os.length > (int)sizeof(ret->session_id)) /* can't happen */ 462 os.length = sizeof(ret->session_id); 463 464 ret->session_id_length=os.length; 465 OPENSSL_assert(os.length <= (int)sizeof(ret->session_id)); 466 memcpy(ret->session_id,os.data,os.length); 467 468 M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING); 469 if (os.length > SSL_MAX_MASTER_KEY_LENGTH) 470 ret->master_key_length=SSL_MAX_MASTER_KEY_LENGTH; 471 else 472 ret->master_key_length=os.length; 473 memcpy(ret->master_key,os.data,ret->master_key_length); 474 475 os.length=0; 476 477 #ifndef OPENSSL_NO_KRB5 478 os.length=0; 479 M_ASN1_D2I_get_opt(osp,d2i_ASN1_OCTET_STRING,V_ASN1_OCTET_STRING); 480 if (os.data) 481 { 482 if (os.length > SSL_MAX_KRB5_PRINCIPAL_LENGTH) 483 ret->krb5_client_princ_len=0; 484 else 485 ret->krb5_client_princ_len=os.length; 486 memcpy(ret->krb5_client_princ,os.data,ret->krb5_client_princ_len); 487 OPENSSL_free(os.data); 488 os.data = NULL; 489 os.length = 0; 490 } 491 else 492 ret->krb5_client_princ_len=0; 493 #endif /* OPENSSL_NO_KRB5 */ 494 495 M_ASN1_D2I_get_IMP_opt(osp,d2i_ASN1_OCTET_STRING,0,V_ASN1_OCTET_STRING); 496 if (os.length > SSL_MAX_KEY_ARG_LENGTH) 497 ret->key_arg_length=SSL_MAX_KEY_ARG_LENGTH; 498 else 499 ret->key_arg_length=os.length; 500 memcpy(ret->key_arg,os.data,ret->key_arg_length); 501 if (os.data != NULL) OPENSSL_free(os.data); 502 503 ai.length=0; 504 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,1); 505 if (ai.data != NULL) 506 { 507 ret->time=ASN1_INTEGER_get(aip); 508 OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; 509 } 510 else 511 ret->time=(unsigned long)time(NULL); 512 513 ai.length=0; 514 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,2); 515 if (ai.data != NULL) 516 { 517 ret->timeout=ASN1_INTEGER_get(aip); 518 OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; 519 } 520 else 521 ret->timeout=3; 522 523 if (ret->peer != NULL) 524 { 525 X509_free(ret->peer); 526 ret->peer=NULL; 527 } 528 M_ASN1_D2I_get_EXP_opt(ret->peer,d2i_X509,3); 529 530 os.length=0; 531 os.data=NULL; 532 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,4); 533 534 if(os.data != NULL) 535 { 536 if (os.length > SSL_MAX_SID_CTX_LENGTH) 537 { 538 c.error=SSL_R_BAD_LENGTH; 539 c.line=__LINE__; 540 goto err; 541 } 542 else 543 { 544 ret->sid_ctx_length=os.length; 545 memcpy(ret->sid_ctx,os.data,os.length); 546 } 547 OPENSSL_free(os.data); os.data=NULL; os.length=0; 548 } 549 else 550 ret->sid_ctx_length=0; 551 552 ai.length=0; 553 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,5); 554 if (ai.data != NULL) 555 { 556 ret->verify_result=ASN1_INTEGER_get(aip); 557 OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; 558 } 559 else 560 ret->verify_result=X509_V_OK; 561 562 #ifndef OPENSSL_NO_TLSEXT 563 os.length=0; 564 os.data=NULL; 565 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,6); 566 if (os.data) 567 { 568 ret->tlsext_hostname = BUF_strndup((char *)os.data, os.length); 569 OPENSSL_free(os.data); 570 os.data = NULL; 571 os.length = 0; 572 } 573 else 574 ret->tlsext_hostname=NULL; 575 #endif /* OPENSSL_NO_TLSEXT */ 576 577 #ifndef OPENSSL_NO_PSK 578 os.length=0; 579 os.data=NULL; 580 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,7); 581 if (os.data) 582 { 583 ret->psk_identity_hint = BUF_strndup((char *)os.data, os.length); 584 OPENSSL_free(os.data); 585 os.data = NULL; 586 os.length = 0; 587 } 588 else 589 ret->psk_identity_hint=NULL; 590 591 os.length=0; 592 os.data=NULL; 593 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,8); 594 if (os.data) 595 { 596 ret->psk_identity = BUF_strndup((char *)os.data, os.length); 597 OPENSSL_free(os.data); 598 os.data = NULL; 599 os.length = 0; 600 } 601 else 602 ret->psk_identity=NULL; 603 #endif /* OPENSSL_NO_PSK */ 604 605 #ifndef OPENSSL_NO_TLSEXT 606 ai.length=0; 607 M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,9); 608 if (ai.data != NULL) 609 { 610 ret->tlsext_tick_lifetime_hint=ASN1_INTEGER_get(aip); 611 OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; 612 } 613 else if (ret->tlsext_ticklen && ret->session_id_length) 614 ret->tlsext_tick_lifetime_hint = -1; 615 else 616 ret->tlsext_tick_lifetime_hint=0; 617 os.length=0; 618 os.data=NULL; 619 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,10); 620 if (os.data) 621 { 622 ret->tlsext_tick = os.data; 623 ret->tlsext_ticklen = os.length; 624 os.data = NULL; 625 os.length = 0; 626 } 627 else 628 ret->tlsext_tick=NULL; 629 #endif /* OPENSSL_NO_TLSEXT */ 630 #ifndef OPENSSL_NO_COMP 631 os.length=0; 632 os.data=NULL; 633 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,11); 634 if (os.data) 635 { 636 ret->compress_meth = os.data[0]; 637 OPENSSL_free(os.data); 638 os.data = NULL; 639 } 640 #endif 641 642 #ifndef OPENSSL_NO_SRP 643 os.length=0; 644 os.data=NULL; 645 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,12); 646 if (os.data) 647 { 648 ret->srp_username = BUF_strndup((char *)os.data, os.length); 649 OPENSSL_free(os.data); 650 os.data = NULL; 651 os.length = 0; 652 } 653 else 654 ret->srp_username=NULL; 655 #endif /* OPENSSL_NO_SRP */ 656 657 os.length=0; 658 os.data=NULL; 659 M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,14); 660 if (os.data && os.length < (int)sizeof(ret->original_handshake_hash)) 661 { 662 memcpy(ret->original_handshake_hash, os.data, os.length); 663 ret->original_handshake_hash_len = os.length; 664 OPENSSL_free(os.data); 665 os.data = NULL; 666 } 667 668 M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION); 669 } 670
