1/* crypto/x509/x509_lu.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#include <openssl/err.h> 59#include <openssl/lhash.h> 60#include <openssl/mem.h> 61#include <openssl/x509.h> 62#include <openssl/x509v3.h> 63 64 65X509_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 85void 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 94int 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 103int 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 112int 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 122int 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 131int 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 140int 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 148int 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 157static int x509_object_cmp(const X509_OBJECT **a, const X509_OBJECT **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 178X509_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 memset(ret, 0, sizeof(*ret)); 185 ret->objs = sk_X509_OBJECT_new(x509_object_cmp); 186 ret->cache = 1; 187 ret->get_cert_methods = sk_X509_LOOKUP_new_null(); 188 189 if ((ret->param = X509_VERIFY_PARAM_new()) == NULL) 190 goto err; 191 192 if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data)) 193 goto err; 194 195 ret->references = 1; 196 return ret; 197err: 198 if (ret) 199 { 200 if (ret->param) 201 X509_VERIFY_PARAM_free(ret->param); 202 if (ret->get_cert_methods) 203 sk_X509_LOOKUP_free(ret->get_cert_methods); 204 if (ret->objs) 205 sk_X509_OBJECT_free(ret->objs); 206 OPENSSL_free(ret); 207 } 208 return NULL; 209 } 210 211static void cleanup(X509_OBJECT *a) 212 { 213 if (a->type == X509_LU_X509) 214 { 215 X509_free(a->data.x509); 216 } 217 else if (a->type == X509_LU_CRL) 218 { 219 X509_CRL_free(a->data.crl); 220 } 221 else 222 { 223 /* abort(); */ 224 } 225 226 OPENSSL_free(a); 227 } 228 229void X509_STORE_free(X509_STORE *vfy) 230 { 231 int i; 232 size_t j; 233 STACK_OF(X509_LOOKUP) *sk; 234 X509_LOOKUP *lu; 235 236 if (vfy == NULL) 237 return; 238 239 i=CRYPTO_add(&vfy->references,-1,CRYPTO_LOCK_X509_STORE); 240#ifdef REF_PRINT 241 REF_PRINT("X509_STORE",vfy); 242#endif 243 if (i > 0) return; 244#ifdef REF_CHECK 245 if (i < 0) 246 { 247 fprintf(stderr,"X509_STORE_free, bad reference count\n"); 248 abort(); /* ok */ 249 } 250#endif 251 252 sk=vfy->get_cert_methods; 253 for (j=0; j<sk_X509_LOOKUP_num(sk); j++) 254 { 255 lu=sk_X509_LOOKUP_value(sk,j); 256 X509_LOOKUP_shutdown(lu); 257 X509_LOOKUP_free(lu); 258 } 259 sk_X509_LOOKUP_free(sk); 260 sk_X509_OBJECT_pop_free(vfy->objs, cleanup); 261 262 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data); 263 if (vfy->param) 264 X509_VERIFY_PARAM_free(vfy->param); 265 OPENSSL_free(vfy); 266 } 267 268X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m) 269 { 270 size_t i; 271 STACK_OF(X509_LOOKUP) *sk; 272 X509_LOOKUP *lu; 273 274 sk=v->get_cert_methods; 275 for (i=0; i<sk_X509_LOOKUP_num(sk); i++) 276 { 277 lu=sk_X509_LOOKUP_value(sk,i); 278 if (m == lu->method) 279 { 280 return lu; 281 } 282 } 283 /* a new one */ 284 lu=X509_LOOKUP_new(m); 285 if (lu == NULL) 286 return NULL; 287 else 288 { 289 lu->store_ctx=v; 290 if (sk_X509_LOOKUP_push(v->get_cert_methods,lu)) 291 return lu; 292 else 293 { 294 X509_LOOKUP_free(lu); 295 return NULL; 296 } 297 } 298 } 299 300int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name, 301 X509_OBJECT *ret) 302 { 303 X509_STORE *ctx=vs->ctx; 304 X509_LOOKUP *lu; 305 X509_OBJECT stmp,*tmp; 306 int i,j; 307 308 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 309 tmp=X509_OBJECT_retrieve_by_subject(ctx->objs,type,name); 310 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 311 312 if (tmp == NULL || type == X509_LU_CRL) 313 { 314 for (i=vs->current_method; i<(int)sk_X509_LOOKUP_num(ctx->get_cert_methods); i++) 315 { 316 lu=sk_X509_LOOKUP_value(ctx->get_cert_methods,i); 317 j=X509_LOOKUP_by_subject(lu,type,name,&stmp); 318 if (j < 0) 319 { 320 vs->current_method=j; 321 return j; 322 } 323 else if (j) 324 { 325 tmp= &stmp; 326 break; 327 } 328 } 329 vs->current_method=0; 330 if (tmp == NULL) 331 return 0; 332 } 333 334/* if (ret->data.ptr != NULL) 335 X509_OBJECT_free_contents(ret); */ 336 337 ret->type=tmp->type; 338 ret->data.ptr=tmp->data.ptr; 339 340 X509_OBJECT_up_ref_count(ret); 341 342 return 1; 343 } 344 345int X509_STORE_add_cert(X509_STORE *ctx, X509 *x) 346 { 347 X509_OBJECT *obj; 348 int ret=1; 349 350 if (x == NULL) return 0; 351 obj=(X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT)); 352 if (obj == NULL) 353 { 354 OPENSSL_PUT_ERROR(X509, X509_STORE_add_cert, ERR_R_MALLOC_FAILURE); 355 return 0; 356 } 357 obj->type=X509_LU_X509; 358 obj->data.x509=x; 359 360 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 361 362 X509_OBJECT_up_ref_count(obj); 363 364 if (X509_OBJECT_retrieve_match(ctx->objs, obj)) 365 { 366 X509_OBJECT_free_contents(obj); 367 OPENSSL_free(obj); 368 OPENSSL_PUT_ERROR(X509, X509_STORE_add_cert, X509_R_CERT_ALREADY_IN_HASH_TABLE); 369 ret=0; 370 } 371 else sk_X509_OBJECT_push(ctx->objs, obj); 372 373 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 374 375 return ret; 376 } 377 378int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x) 379 { 380 X509_OBJECT *obj; 381 int ret=1; 382 383 if (x == NULL) return 0; 384 obj=(X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT)); 385 if (obj == NULL) 386 { 387 OPENSSL_PUT_ERROR(X509, X509_STORE_add_crl, ERR_R_MALLOC_FAILURE); 388 return 0; 389 } 390 obj->type=X509_LU_CRL; 391 obj->data.crl=x; 392 393 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 394 395 X509_OBJECT_up_ref_count(obj); 396 397 if (X509_OBJECT_retrieve_match(ctx->objs, obj)) 398 { 399 X509_OBJECT_free_contents(obj); 400 OPENSSL_free(obj); 401 OPENSSL_PUT_ERROR(X509, X509_STORE_add_crl, X509_R_CERT_ALREADY_IN_HASH_TABLE); 402 ret=0; 403 } 404 else sk_X509_OBJECT_push(ctx->objs, obj); 405 406 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 407 408 return ret; 409 } 410 411void X509_OBJECT_up_ref_count(X509_OBJECT *a) 412 { 413 switch (a->type) 414 { 415 case X509_LU_X509: 416 X509_up_ref(a->data.x509); 417 break; 418 case X509_LU_CRL: 419 CRYPTO_add(&a->data.crl->references,1,CRYPTO_LOCK_X509_CRL); 420 break; 421 } 422 } 423 424void X509_OBJECT_free_contents(X509_OBJECT *a) 425 { 426 switch (a->type) 427 { 428 case X509_LU_X509: 429 X509_free(a->data.x509); 430 break; 431 case X509_LU_CRL: 432 X509_CRL_free(a->data.crl); 433 break; 434 } 435 } 436 437static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, int type, 438 X509_NAME *name, int *pnmatch) 439 { 440 X509_OBJECT stmp; 441 X509 x509_s; 442 X509_CINF cinf_s; 443 X509_CRL crl_s; 444 X509_CRL_INFO crl_info_s; 445 size_t idx; 446 447 stmp.type=type; 448 switch (type) 449 { 450 case X509_LU_X509: 451 stmp.data.x509= &x509_s; 452 x509_s.cert_info= &cinf_s; 453 cinf_s.subject=name; 454 break; 455 case X509_LU_CRL: 456 stmp.data.crl= &crl_s; 457 crl_s.crl= &crl_info_s; 458 crl_info_s.issuer=name; 459 break; 460 default: 461 /* abort(); */ 462 return -1; 463 } 464 465 idx = -1; 466 if (sk_X509_OBJECT_find(h, &idx, &stmp) && pnmatch) 467 { 468 int tidx; 469 const X509_OBJECT *tobj, *pstmp; 470 *pnmatch = 1; 471 pstmp = &stmp; 472 for (tidx = idx + 1; tidx < (int)sk_X509_OBJECT_num(h); tidx++) 473 { 474 tobj = sk_X509_OBJECT_value(h, tidx); 475 if (x509_object_cmp(&tobj, &pstmp)) 476 break; 477 (*pnmatch)++; 478 } 479 } 480 481 return idx; 482 } 483 484 485int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type, 486 X509_NAME *name) 487 { 488 return x509_object_idx_cnt(h, type, name, NULL); 489 } 490 491X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h, int type, 492 X509_NAME *name) 493 { 494 int idx; 495 idx = X509_OBJECT_idx_by_subject(h, type, name); 496 if (idx==-1) return NULL; 497 return sk_X509_OBJECT_value(h, idx); 498 } 499 500STACK_OF(X509)* X509_STORE_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm) 501 { 502 int i, idx, cnt; 503 STACK_OF(X509) *sk; 504 X509 *x; 505 X509_OBJECT *obj; 506 sk = sk_X509_new_null(); 507 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 508 idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt); 509 if (idx < 0) 510 { 511 /* Nothing found in cache: do lookup to possibly add new 512 * objects to cache 513 */ 514 X509_OBJECT xobj; 515 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 516 if (!X509_STORE_get_by_subject(ctx, X509_LU_X509, nm, &xobj)) 517 { 518 sk_X509_free(sk); 519 return NULL; 520 } 521 X509_OBJECT_free_contents(&xobj); 522 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 523 idx = x509_object_idx_cnt(ctx->ctx->objs,X509_LU_X509,nm, &cnt); 524 if (idx < 0) 525 { 526 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 527 sk_X509_free(sk); 528 return NULL; 529 } 530 } 531 for (i = 0; i < cnt; i++, idx++) 532 { 533 obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx); 534 x = obj->data.x509; 535 if (!sk_X509_push(sk, X509_up_ref(x))) 536 { 537 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 538 X509_free(x); 539 sk_X509_pop_free(sk, X509_free); 540 return NULL; 541 } 542 } 543 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 544 return sk; 545 546 } 547 548STACK_OF(X509_CRL)* X509_STORE_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm) 549 { 550 int i, idx, cnt; 551 STACK_OF(X509_CRL) *sk; 552 X509_CRL *x; 553 X509_OBJECT *obj, xobj; 554 sk = sk_X509_CRL_new_null(); 555 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 556 /* Check cache first */ 557 idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt); 558 559 /* Always do lookup to possibly add new CRLs to cache 560 */ 561 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 562 if (!X509_STORE_get_by_subject(ctx, X509_LU_CRL, nm, &xobj)) 563 { 564 sk_X509_CRL_free(sk); 565 return NULL; 566 } 567 X509_OBJECT_free_contents(&xobj); 568 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 569 idx = x509_object_idx_cnt(ctx->ctx->objs,X509_LU_CRL, nm, &cnt); 570 if (idx < 0) 571 { 572 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 573 sk_X509_CRL_free(sk); 574 return NULL; 575 } 576 577 for (i = 0; i < cnt; i++, idx++) 578 { 579 obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx); 580 x = obj->data.crl; 581 CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509_CRL); 582 if (!sk_X509_CRL_push(sk, x)) 583 { 584 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 585 X509_CRL_free(x); 586 sk_X509_CRL_pop_free(sk, X509_CRL_free); 587 return NULL; 588 } 589 } 590 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 591 return sk; 592 } 593 594X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x) 595 { 596 size_t idx, i; 597 X509_OBJECT *obj; 598 599 if (!sk_X509_OBJECT_find(h, &idx, x)) { 600 return NULL; 601 } 602 if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL)) 603 return sk_X509_OBJECT_value(h, idx); 604 for (i = idx; i < sk_X509_OBJECT_num(h); i++) 605 { 606 obj = sk_X509_OBJECT_value(h, i); 607 if (x509_object_cmp((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x)) 608 return NULL; 609 if (x->type == X509_LU_X509) 610 { 611 if (!X509_cmp(obj->data.x509, x->data.x509)) 612 return obj; 613 } 614 else if (x->type == X509_LU_CRL) 615 { 616 if (!X509_CRL_match(obj->data.crl, x->data.crl)) 617 return obj; 618 } 619 else 620 return obj; 621 } 622 return NULL; 623 } 624 625 626/* Try to get issuer certificate from store. Due to limitations 627 * of the API this can only retrieve a single certificate matching 628 * a given subject name. However it will fill the cache with all 629 * matching certificates, so we can examine the cache for all 630 * matches. 631 * 632 * Return values are: 633 * 1 lookup successful. 634 * 0 certificate not found. 635 * -1 some other error. 636 */ 637int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x) 638 { 639 X509_NAME *xn; 640 X509_OBJECT obj, *pobj; 641 int ok, idx, ret; 642 size_t i; 643 xn=X509_get_issuer_name(x); 644 ok=X509_STORE_get_by_subject(ctx,X509_LU_X509,xn,&obj); 645 if (ok != X509_LU_X509) 646 { 647 if (ok == X509_LU_RETRY) 648 { 649 X509_OBJECT_free_contents(&obj); 650 OPENSSL_PUT_ERROR(X509, X509_STORE_CTX_get1_issuer, X509_R_SHOULD_RETRY); 651 return -1; 652 } 653 else if (ok != X509_LU_FAIL) 654 { 655 X509_OBJECT_free_contents(&obj); 656 /* not good :-(, break anyway */ 657 return -1; 658 } 659 return 0; 660 } 661 /* If certificate matches all OK */ 662 if (ctx->check_issued(ctx, x, obj.data.x509)) 663 { 664 *issuer = obj.data.x509; 665 return 1; 666 } 667 X509_OBJECT_free_contents(&obj); 668 669 /* Else find index of first cert accepted by 'check_issued' */ 670 ret = 0; 671 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); 672 idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn); 673 if (idx != -1) /* should be true as we've had at least one match */ 674 { 675 /* Look through all matching certs for suitable issuer */ 676 for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) 677 { 678 pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i); 679 /* See if we've run past the matches */ 680 if (pobj->type != X509_LU_X509) 681 break; 682 if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509))) 683 break; 684 if (ctx->check_issued(ctx, x, pobj->data.x509)) 685 { 686 *issuer = pobj->data.x509; 687 X509_OBJECT_up_ref_count(pobj); 688 ret = 1; 689 break; 690 } 691 } 692 } 693 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); 694 return ret; 695 } 696 697int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags) 698 { 699 return X509_VERIFY_PARAM_set_flags(ctx->param, flags); 700 } 701 702int X509_STORE_set_depth(X509_STORE *ctx, int depth) 703 { 704 X509_VERIFY_PARAM_set_depth(ctx->param, depth); 705 return 1; 706 } 707 708int X509_STORE_set_purpose(X509_STORE *ctx, int purpose) 709 { 710 return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose); 711 } 712 713int X509_STORE_set_trust(X509_STORE *ctx, int trust) 714 { 715 return X509_VERIFY_PARAM_set_trust(ctx->param, trust); 716 } 717 718int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param) 719 { 720 return X509_VERIFY_PARAM_set1(ctx->param, param); 721 } 722 723void X509_STORE_set_verify_cb(X509_STORE *ctx, 724 int (*verify_cb)(int, X509_STORE_CTX *)) 725 { 726 ctx->verify_cb = verify_cb; 727 } 728 729void X509_STORE_set_lookup_crls_cb(X509_STORE *ctx, 730 STACK_OF(X509_CRL)* (*cb)(X509_STORE_CTX *ctx, X509_NAME *nm)) 731 { 732 ctx->lookup_crls = cb; 733 } 734 735X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx) 736 { 737 return ctx->ctx; 738 } 739