1 /* crypto/x509/x509_lu.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 #include <stdio.h> 60 #include "cryptlib.h" 61 #include <openssl/lhash.h> 62 #include <openssl/x509.h> 63 #include <openssl/x509v3.h> 64 65 X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method) 66 { 67 X509_LOOKUP *ret; 68 69 ret=(X509_LOOKUP *)OPENSSL_malloc(sizeof(X509_LOOKUP)); 70 if (ret == NULL) return NULL; 71 72 ret->init=0; 73 ret->skip=0; 74 ret->method=method; 75 ret->method_data=NULL; 76 ret->store_ctx=NULL; 77 if ((method->new_item != NULL) && !method->new_item(ret)) 78 { 79 OPENSSL_free(ret); 80 return NULL; 81 } 82 return ret; 83 } 84 85 void X509_LOOKUP_free(X509_LOOKUP *ctx) 86 { 87 if (ctx == NULL) return; 88 if ( (ctx->method != NULL) && 89 (ctx->method->free != NULL)) 90 ctx->method->free(ctx); 91 OPENSSL_free(ctx); 92 } 93 94 int X509_LOOKUP_init(X509_LOOKUP *ctx) 95 { 96 if (ctx->method == NULL) return 0; 97 if (ctx->method->init != NULL) 98 return ctx->method->init(ctx); 99 else 100 return 1; 101 } 102 103 int X509_LOOKUP_shutdown(X509_LOOKUP *ctx) 104 { 105 if (ctx->method == NULL) return 0; 106 if (ctx->method->shutdown != NULL) 107 return ctx->method->shutdown(ctx); 108 else 109 return 1; 110 } 111 112 int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl, 113 char **ret) 114 { 115 if (ctx->method == NULL) return -1; 116 if (ctx->method->ctrl != NULL) 117 return ctx->method->ctrl(ctx,cmd,argc,argl,ret); 118 else 119 return 1; 120 } 121 122 int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name, 123 X509_OBJECT *ret) 124 { 125 if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL)) 126 return X509_LU_FAIL; 127 if (ctx->skip) return 0; 128 return ctx->method->get_by_subject(ctx,type,name,ret); 129 } 130 131 int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name, 132 ASN1_INTEGER *serial, X509_OBJECT *ret) 133 { 134 if ((ctx->method == NULL) || 135 (ctx->method->get_by_issuer_serial == NULL)) 136 return X509_LU_FAIL; 137 return ctx->method->get_by_issuer_serial(ctx,type,name,serial,ret); 138 } 139 140 int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type, 141 unsigned char *bytes, int len, X509_OBJECT *ret) 142 { 143 if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL)) 144 return X509_LU_FAIL; 145 return ctx->method->get_by_fingerprint(ctx,type,bytes,len,ret); 146 } 147 148 int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len, 149 X509_OBJECT *ret) 150 { 151 if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL)) 152 return X509_LU_FAIL; 153 return ctx->method->get_by_alias(ctx,type,str,len,ret); 154 } 155 156 157 static int x509_object_cmp(const X509_OBJECT * const *a, const X509_OBJECT * const *b) 158 { 159 int ret; 160 161 ret=((*a)->type - (*b)->type); 162 if (ret) return ret; 163 switch ((*a)->type) 164 { 165 case X509_LU_X509: 166 ret=X509_subject_name_cmp((*a)->data.x509,(*b)->data.x509); 167 break; 168 case X509_LU_CRL: 169 ret=X509_CRL_cmp((*a)->data.crl,(*b)->data.crl); 170 break; 171 default: 172 /* abort(); */ 173 return 0; 174 } 175 return ret; 176 } 177 178 X509_STORE *X509_STORE_new(void) 179 { 180 X509_STORE *ret; 181 182 if ((ret=(X509_STORE *)OPENSSL_malloc(sizeof(X509_STORE))) == NULL) 183 return NULL; 184 ret->objs = sk_X509_OBJECT_new(x509_object_cmp); 185 ret->cache=1; 186 ret->get_cert_methods=sk_X509_LOOKUP_new_null(); 187 ret->verify=0; 188 ret->verify_cb=0; 189 190 if ((ret->param = X509_VERIFY_PARAM_new()) == NULL) 191 return NULL; 192 193 ret->get_issuer = 0; 194 ret->check_issued = 0; 195 ret->check_revocation = 0; 196 ret->get_crl = 0; 197 ret->check_crl = 0; 198 ret->cert_crl = 0; 199 ret->lookup_certs = 0; 200 ret->lookup_crls = 0; 201 ret->cleanup = 0; 202 203 if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data)) 204 { 205 sk_X509_OBJECT_free(ret->objs); 206 OPENSSL_free(ret); 207 return NULL; 208 } 209 210 ret->references=1; 211 return ret; 212 } 213 214 static void cleanup(X509_OBJECT *a) 215 { 216 if (a->type == X509_LU_X509) 217 { 218 X509_free(a->data.x509); 219 } 220 else if (a->type == X509_LU_CRL) 221 { 222 X509_CRL_free(a->data.crl); 223 } 224 else 225 { 226 /* abort(); */ 227 } 228 229 OPENSSL_free(a); 230 } 231 232 void X509_STORE_free(X509_STORE *vfy) 233 { 234 int i; 235 STACK_OF(X509_LOOKUP) *sk; 236 X509_LOOKUP *lu; 237 238 if (vfy == NULL) 239 return; 240 241 sk=vfy->get_cert_methods; 242 for (i=0; i<sk_X509_LOOKUP_num(sk); i++) 243 { 244 lu=sk_X509_LOOKUP_value(sk,i); 245 X509_LOOKUP_shutdown(lu); 246 X509_LOOKUP_free(lu); 247 } 248 sk_X509_LOOKUP_free(sk); 249 sk_X509_OBJECT_pop_free(vfy->objs, cleanup); 250 251 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data); 252 if (vfy->param) 253 X509_VERIFY_PARAM_free(vfy->param); 254 OPENSSL_free(vfy); 255 } 256 257 X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m) 258 { 259 int i; 260 STACK_OF(X509_LOOKUP) *sk; 261 X509_LOOKUP *lu; 262 263 sk=v->get_cert_methods; 264 for (i=0; i<sk_X509_LOOKUP_num(sk); i++) 265 { 266 lu=sk_X509_LOOKUP_value(sk,i); 267 if (m == lu->method) 268 { 269 return lu; 270 } 271 } 272 /* a new one */ 273 lu=X509_LOOKUP_new(m); 274 if (lu == NULL) 275 return NULL; 276 else 277 { 278 lu->store_ctx=v; 279 if (sk_X509_LOOKUP_push(v->get_cert_methods,lu)) 280 return lu; 281 else 282 { 283 X509_LOOKUP_free(lu); 284 return NULL; 285 } 286 } 287 } 288 289 int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name, 290 X509_OBJECT *ret) 291 { 292 X509_STORE *ctx=vs->ctx; 293 X509_LOOKUP *lu; 294 X509_OBJECT stmp,*tmp; 295 int i,j; 296 297 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 298 tmp=X509_OBJECT_retrieve_by_subject(ctx->objs,type,name); 299 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 300 301 if (tmp == NULL || type == X509_LU_CRL) 302 { 303 for (i=vs->current_method; i<sk_X509_LOOKUP_num(ctx->get_cert_methods); i++) 304 { 305 lu=sk_X509_LOOKUP_value(ctx->get_cert_methods,i); 306 j=X509_LOOKUP_by_subject(lu,type,name,&stmp); 307 if (j < 0) 308 { 309 vs->current_method=j; 310 return j; 311 } 312 else if (j) 313 { 314 tmp= &stmp; 315 break; 316 } 317 } 318 vs->current_method=0; 319 if (tmp == NULL) 320 return 0; 321 } 322 323 /* if (ret->data.ptr != NULL) 324 X509_OBJECT_free_contents(ret); */ 325 326 ret->type=tmp->type; 327 ret->data.ptr=tmp->data.ptr; 328 329 X509_OBJECT_up_ref_count(ret); 330 331 return 1; 332 } 333 334 int X509_STORE_add_cert(X509_STORE *ctx, X509 *x) 335 { 336 X509_OBJECT *obj; 337 int ret=1; 338 339 if (x == NULL) return 0; 340 obj=(X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT)); 341 if (obj == NULL) 342 { 343 X509err(X509_F_X509_STORE_ADD_CERT,ERR_R_MALLOC_FAILURE); 344 return 0; 345 } 346 obj->type=X509_LU_X509; 347 obj->data.x509=x; 348 349 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 350 351 X509_OBJECT_up_ref_count(obj); 352 353 if (X509_OBJECT_retrieve_match(ctx->objs, obj)) 354 { 355 X509_OBJECT_free_contents(obj); 356 OPENSSL_free(obj); 357 X509err(X509_F_X509_STORE_ADD_CERT,X509_R_CERT_ALREADY_IN_HASH_TABLE); 358 ret=0; 359 } 360 else sk_X509_OBJECT_push(ctx->objs, obj); 361 362 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 363 364 return ret; 365 } 366 367 int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x) 368 { 369 X509_OBJECT *obj; 370 int ret=1; 371 372 if (x == NULL) return 0; 373 obj=(X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT)); 374 if (obj == NULL) 375 { 376 X509err(X509_F_X509_STORE_ADD_CRL,ERR_R_MALLOC_FAILURE); 377 return 0; 378 } 379 obj->type=X509_LU_CRL; 380 obj->data.crl=x; 381 382 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 383 384 X509_OBJECT_up_ref_count(obj); 385 386 if (X509_OBJECT_retrieve_match(ctx->objs, obj)) 387 { 388 X509_OBJECT_free_contents(obj); 389 OPENSSL_free(obj); 390 X509err(X509_F_X509_STORE_ADD_CRL,X509_R_CERT_ALREADY_IN_HASH_TABLE); 391 ret=0; 392 } 393 else sk_X509_OBJECT_push(ctx->objs, obj); 394 395 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 396 397 return ret; 398 } 399 400 void X509_OBJECT_up_ref_count(X509_OBJECT *a) 401 { 402 switch (a->type) 403 { 404 case X509_LU_X509: 405 CRYPTO_add(&a->data.x509->references,1,CRYPTO_LOCK_X509); 406 break; 407 case X509_LU_CRL: 408 CRYPTO_add(&a->data.crl->references,1,CRYPTO_LOCK_X509_CRL); 409 break; 410 } 411 } 412 413 void X509_OBJECT_free_contents(X509_OBJECT *a) 414 { 415 switch (a->type) 416 { 417 case X509_LU_X509: 418 X509_free(a->data.x509); 419 break; 420 case X509_LU_CRL: 421 X509_CRL_free(a->data.crl); 422 break; 423 } 424 } 425 426 static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, int type, 427 X509_NAME *name, int *pnmatch) 428 { 429 X509_OBJECT stmp; 430 X509 x509_s; 431 X509_CINF cinf_s; 432 X509_CRL crl_s; 433 X509_CRL_INFO crl_info_s; 434 int idx; 435 436 stmp.type=type; 437 switch (type) 438 { 439 case X509_LU_X509: 440 stmp.data.x509= &x509_s; 441 x509_s.cert_info= &cinf_s; 442 cinf_s.subject=name; 443 break; 444 case X509_LU_CRL: 445 stmp.data.crl= &crl_s; 446 crl_s.crl= &crl_info_s; 447 crl_info_s.issuer=name; 448 break; 449 default: 450 /* abort(); */ 451 return -1; 452 } 453 454 idx = sk_X509_OBJECT_find(h,&stmp); 455 if (idx >= 0 && pnmatch) 456 { 457 int tidx; 458 const X509_OBJECT *tobj, *pstmp; 459 *pnmatch = 1; 460 pstmp = &stmp; 461 for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) 462 { 463 tobj = sk_X509_OBJECT_value(h, tidx); 464 if (x509_object_cmp(&tobj, &pstmp)) 465 break; 466 (*pnmatch)++; 467 } 468 } 469 return idx; 470 } 471 472 473 int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type, 474 X509_NAME *name) 475 { 476 return x509_object_idx_cnt(h, type, name, NULL); 477 } 478 479 X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h, int type, 480 X509_NAME *name) 481 { 482 int idx; 483 idx = X509_OBJECT_idx_by_subject(h, type, name); 484 if (idx==-1) return NULL; 485 return sk_X509_OBJECT_value(h, idx); 486 } 487 488 STACK_OF(X509)* X509_STORE_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm) 489 { 490 int i, idx, cnt; 491 STACK_OF(X509) *sk; 492 X509 *x; 493 X509_OBJECT *obj; 494 sk = sk_X509_new_null(); 495 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 496 idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt); 497 if (idx < 0) 498 { 499 /* Nothing found in cache: do lookup to possibly add new 500 * objects to cache 501 */ 502 X509_OBJECT xobj; 503 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 504 if (!X509_STORE_get_by_subject(ctx, X509_LU_X509, nm, &xobj)) 505 { 506 sk_X509_free(sk); 507 return NULL; 508 } 509 X509_OBJECT_free_contents(&xobj); 510 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 511 idx = x509_object_idx_cnt(ctx->ctx->objs,X509_LU_X509,nm, &cnt); 512 if (idx < 0) 513 { 514 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 515 sk_X509_free(sk); 516 return NULL; 517 } 518 } 519 for (i = 0; i < cnt; i++, idx++) 520 { 521 obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx); 522 x = obj->data.x509; 523 CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509); 524 if (!sk_X509_push(sk, x)) 525 { 526 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 527 X509_free(x); 528 sk_X509_pop_free(sk, X509_free); 529 return NULL; 530 } 531 } 532 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 533 return sk; 534 535 } 536 537 STACK_OF(X509_CRL)* X509_STORE_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm) 538 { 539 int i, idx, cnt; 540 STACK_OF(X509_CRL) *sk; 541 X509_CRL *x; 542 X509_OBJECT *obj, xobj; 543 sk = sk_X509_CRL_new_null(); 544 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 545 /* Check cache first */ 546 idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt); 547 548 /* Always do lookup to possibly add new CRLs to cache 549 */ 550 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 551 if (!X509_STORE_get_by_subject(ctx, X509_LU_CRL, nm, &xobj)) 552 { 553 sk_X509_CRL_free(sk); 554 return NULL; 555 } 556 X509_OBJECT_free_contents(&xobj); 557 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 558 idx = x509_object_idx_cnt(ctx->ctx->objs,X509_LU_CRL, nm, &cnt); 559 if (idx < 0) 560 { 561 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 562 sk_X509_CRL_free(sk); 563 return NULL; 564 } 565 566 for (i = 0; i < cnt; i++, idx++) 567 { 568 obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx); 569 x = obj->data.crl; 570 CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509_CRL); 571 if (!sk_X509_CRL_push(sk, x)) 572 { 573 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 574 X509_CRL_free(x); 575 sk_X509_CRL_pop_free(sk, X509_CRL_free); 576 return NULL; 577 } 578 } 579 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 580 return sk; 581 } 582 583 X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x) 584 { 585 int idx, i; 586 X509_OBJECT *obj; 587 idx = sk_X509_OBJECT_find(h, x); 588 if (idx == -1) return NULL; 589 if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL)) 590 return sk_X509_OBJECT_value(h, idx); 591 for (i = idx; i < sk_X509_OBJECT_num(h); i++) 592 { 593 obj = sk_X509_OBJECT_value(h, i); 594 if (x509_object_cmp((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x)) 595 return NULL; 596 if (x->type == X509_LU_X509) 597 { 598 if (!X509_cmp(obj->data.x509, x->data.x509)) 599 return obj; 600 } 601 else if (x->type == X509_LU_CRL) 602 { 603 if (!X509_CRL_match(obj->data.crl, x->data.crl)) 604 return obj; 605 } 606 else 607 return obj; 608 } 609 return NULL; 610 } 611 612 613 /* Try to get issuer certificate from store. Due to limitations 614 * of the API this can only retrieve a single certificate matching 615 * a given subject name. However it will fill the cache with all 616 * matching certificates, so we can examine the cache for all 617 * matches. 618 * 619 * Return values are: 620 * 1 lookup successful. 621 * 0 certificate not found. 622 * -1 some other error. 623 */ 624 int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x) 625 { 626 X509_NAME *xn; 627 X509_OBJECT obj, *pobj; 628 int i, ok, idx, ret; 629 xn=X509_get_issuer_name(x); 630 ok=X509_STORE_get_by_subject(ctx,X509_LU_X509,xn,&obj); 631 if (ok != X509_LU_X509) 632 { 633 if (ok == X509_LU_RETRY) 634 { 635 X509_OBJECT_free_contents(&obj); 636 X509err(X509_F_X509_STORE_CTX_GET1_ISSUER,X509_R_SHOULD_RETRY); 637 return -1; 638 } 639 else if (ok != X509_LU_FAIL) 640 { 641 X509_OBJECT_free_contents(&obj); 642 /* not good :-(, break anyway */ 643 return -1; 644 } 645 return 0; 646 } 647 /* If certificate matches all OK */ 648 if (ctx->check_issued(ctx, x, obj.data.x509)) 649 { 650 *issuer = obj.data.x509; 651 return 1; 652 } 653 X509_OBJECT_free_contents(&obj); 654 655 /* Else find index of first cert accepted by 'check_issued' */ 656 ret = 0; 657 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 658 idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn); 659 if (idx != -1) /* should be true as we've had at least one match */ 660 { 661 /* Look through all matching certs for suitable issuer */ 662 for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) 663 { 664 pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i); 665 /* See if we've run past the matches */ 666 if (pobj->type != X509_LU_X509) 667 break; 668 if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509))) 669 break; 670 if (ctx->check_issued(ctx, x, pobj->data.x509)) 671 { 672 *issuer = pobj->data.x509; 673 X509_OBJECT_up_ref_count(pobj); 674 ret = 1; 675 break; 676 } 677 } 678 } 679 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 680 return ret; 681 } 682 683 int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags) 684 { 685 return X509_VERIFY_PARAM_set_flags(ctx->param, flags); 686 } 687 688 int X509_STORE_set_depth(X509_STORE *ctx, int depth) 689 { 690 X509_VERIFY_PARAM_set_depth(ctx->param, depth); 691 return 1; 692 } 693 694 int X509_STORE_set_purpose(X509_STORE *ctx, int purpose) 695 { 696 return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose); 697 } 698 699 int X509_STORE_set_trust(X509_STORE *ctx, int trust) 700 { 701 return X509_VERIFY_PARAM_set_trust(ctx->param, trust); 702 } 703 704 int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param) 705 { 706 return X509_VERIFY_PARAM_set1(ctx->param, param); 707 } 708 709 void X509_STORE_set_verify_cb(X509_STORE *ctx, 710 int (*verify_cb)(int, X509_STORE_CTX *)) 711 { 712 ctx->verify_cb = verify_cb; 713 } 714 715 IMPLEMENT_STACK_OF(X509_LOOKUP) 716 IMPLEMENT_STACK_OF(X509_OBJECT) 717
