crypto/x509/x509_lu.c

   1 /*
   2  * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <stdio.h>
  11 #include "internal/cryptlib.h"
  12 #include "internal/refcount.h"
  13 #include <openssl/x509.h>
  14 #include "internal/x509_int.h"
  15 #include <openssl/x509v3.h>
  16 #include "x509_lcl.h"
  17
  18 X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method)
  19 {
  20     X509_LOOKUP *ret;
  21
  22     ret = OPENSSL_zalloc(sizeof(*ret));
  23     if (ret == NULL)
  24         return NULL;
  25
  26     ret->method = method;
  27     if ((method->new_item != NULL) && !method->new_item(ret)) {
  28         OPENSSL_free(ret);
  29         return NULL;
  30     }
  31     return ret;
  32 }
  33
  34 void X509_LOOKUP_free(X509_LOOKUP *ctx)
  35 {
  36     if (ctx == NULL)
  37         return;
  38     if ((ctx->method != NULL) && (ctx->method->free != NULL))
  39         (*ctx->method->free) (ctx);
  40     OPENSSL_free(ctx);
  41 }
  42
  43 int X509_STORE_lock(X509_STORE *s)
  44 {
  45     return CRYPTO_THREAD_write_lock(s->lock);
  46 }
  47
  48 int X509_STORE_unlock(X509_STORE *s)
  49 {
  50     return CRYPTO_THREAD_unlock(s->lock);
  51 }
  52
  53 int X509_LOOKUP_init(X509_LOOKUP *ctx)
  54 {
  55     if (ctx->method == NULL)
  56         return 0;
  57     if (ctx->method->init != NULL)
  58         return ctx->method->init(ctx);
  59     else
  60         return 1;
  61 }
  62
  63 int X509_LOOKUP_shutdown(X509_LOOKUP *ctx)
  64 {
  65     if (ctx->method == NULL)
  66         return 0;
  67     if (ctx->method->shutdown != NULL)
  68         return ctx->method->shutdown(ctx);
  69     else
  70         return 1;
  71 }
  72
  73 int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
  74                      char **ret)
  75 {
  76     if (ctx->method == NULL)
  77         return -1;
  78     if (ctx->method->ctrl != NULL)
  79         return ctx->method->ctrl(ctx, cmd, argc, argl, ret);
  80     else
  81         return 1;
  82 }
  83
  84 int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
  85                            X509_NAME *name, X509_OBJECT *ret)
  86 {
  87     if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL))
  88         return 0;
  89     if (ctx->skip)
  90         return 0;
  91     return ctx->method->get_by_subject(ctx, type, name, ret);
  92 }
  93
  94 int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
  95                                  X509_NAME *name, ASN1_INTEGER *serial,
  96                                  X509_OBJECT *ret)
  97 {
  98     if ((ctx->method == NULL) || (ctx->method->get_by_issuer_serial == NULL))
  99         return 0;
 100     return ctx->method->get_by_issuer_serial(ctx, type, name, serial, ret);
 101 }
 102
 103 int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
 104                                const unsigned char *bytes, int len,
 105                                X509_OBJECT *ret)
 106 {
 107     if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL))
 108         return 0;
 109     return ctx->method->get_by_fingerprint(ctx, type, bytes, len, ret);
 110 }
 111
 112 int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
 113                          const char *str, int len, X509_OBJECT *ret)
 114 {
 115     if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL))
 116         return 0;
 117     return ctx->method->get_by_alias(ctx, type, str, len, ret);
 118 }
 119
 120 static int x509_object_cmp(const X509_OBJECT *const *a,
 121                            const X509_OBJECT *const *b)
 122 {
 123     int ret;
 124
 125     ret = ((*a)->type - (*b)->type);
 126     if (ret)
 127         return ret;
 128     switch ((*a)->type) {
 129     case X509_LU_X509:
 130         ret = X509_subject_name_cmp((*a)->data.x509, (*b)->data.x509);
 131         break;
 132     case X509_LU_CRL:
 133         ret = X509_CRL_cmp((*a)->data.crl, (*b)->data.crl);
 134         break;
 135     case X509_LU_NONE:
 136         /* abort(); */
 137         return 0;
 138     }
 139     return ret;
 140 }
 141
 142 X509_STORE *X509_STORE_new(void)
 143 {
 144     X509_STORE *ret;
 145
 146     if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL)
 147         return NULL;
 148     if ((ret->objs = sk_X509_OBJECT_new(x509_object_cmp)) == NULL)
 149         goto err;
 150     ret->cache = 1;
 151     if ((ret->get_cert_methods = sk_X509_LOOKUP_new_null()) == NULL)
 152         goto err;
 153
 154     if ((ret->param = X509_VERIFY_PARAM_new()) == NULL)
 155         goto err;
 156
 157     if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data))
 158         goto err;
 159
 160     ret->lock = CRYPTO_THREAD_lock_new();
 161     if (ret->lock == NULL)
 162         goto err;
 163
 164     ret->references = 1;
 165     return ret;
 166
 167 err:
 168     X509_VERIFY_PARAM_free(ret->param);
 169     sk_X509_OBJECT_free(ret->objs);
 170     sk_X509_LOOKUP_free(ret->get_cert_methods);
 171     OPENSSL_free(ret);
 172     return NULL;
 173 }
 174
 175 void X509_STORE_free(X509_STORE *vfy)
 176 {
 177     int i;
 178     STACK_OF(X509_LOOKUP) *sk;
 179     X509_LOOKUP *lu;
 180
 181     if (vfy == NULL)
 182         return;
 183     CRYPTO_DOWN_REF(&vfy->references, &i, vfy->lock);
 184     REF_PRINT_COUNT("X509_STORE", vfy);
 185     if (i > 0)
 186         return;
 187     REF_ASSERT_ISNT(i < 0);
 188
 189     sk = vfy->get_cert_methods;
 190     for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
 191         lu = sk_X509_LOOKUP_value(sk, i);
 192         X509_LOOKUP_shutdown(lu);
 193         X509_LOOKUP_free(lu);
 194     }
 195     sk_X509_LOOKUP_free(sk);
 196     sk_X509_OBJECT_pop_free(vfy->objs, X509_OBJECT_free);
 197
 198     CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data);
 199     X509_VERIFY_PARAM_free(vfy->param);
 200     CRYPTO_THREAD_lock_free(vfy->lock);
 201     OPENSSL_free(vfy);
 202 }
 203
 204 int X509_STORE_up_ref(X509_STORE *vfy)
 205 {
 206     int i;
 207
 208     if (CRYPTO_UP_REF(&vfy->references, &i, vfy->lock) <= 0)
 209         return 0;
 210
 211     REF_PRINT_COUNT("X509_STORE", a);
 212     REF_ASSERT_ISNT(i < 2);
 213     return ((i > 1) ? 1 : 0);
 214 }
 215
 216 X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m)
 217 {
 218     int i;
 219     STACK_OF(X509_LOOKUP) *sk;
 220     X509_LOOKUP *lu;
 221
 222     sk = v->get_cert_methods;
 223     for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
 224         lu = sk_X509_LOOKUP_value(sk, i);
 225         if (m == lu->method) {
 226             return lu;
 227         }
 228     }
 229     /* a new one */
 230     lu = X509_LOOKUP_new(m);
 231     if (lu == NULL)
 232         return NULL;
 233     else {
 234         lu->store_ctx = v;
 235         if (sk_X509_LOOKUP_push(v->get_cert_methods, lu))
 236             return lu;
 237         else {
 238             X509_LOOKUP_free(lu);
 239             return NULL;
 240         }
 241     }
 242 }
 243
 244 X509_OBJECT *X509_STORE_CTX_get_obj_by_subject(X509_STORE_CTX *vs,
 245                                                X509_LOOKUP_TYPE type,
 246                                                X509_NAME *name)
 247 {
 248     X509_OBJECT *ret = X509_OBJECT_new();
 249
 250     if (ret == NULL)
 251         return NULL;
 252     if (!X509_STORE_CTX_get_by_subject(vs, type, name, ret)) {
 253         X509_OBJECT_free(ret);
 254         return NULL;
 255     }
 256     return ret;
 257 }
 258
 259 int X509_STORE_CTX_get_by_subject(X509_STORE_CTX *vs, X509_LOOKUP_TYPE type,
 260                                   X509_NAME *name, X509_OBJECT *ret)
 261 {
 262     X509_STORE *ctx = vs->ctx;
 263     X509_LOOKUP *lu;
 264     X509_OBJECT stmp, *tmp;
 265     int i, j;
 266
 267     CRYPTO_THREAD_write_lock(ctx->lock);
 268     tmp = X509_OBJECT_retrieve_by_subject(ctx->objs, type, name);
 269     CRYPTO_THREAD_unlock(ctx->lock);
 270
 271     if (tmp == NULL || type == X509_LU_CRL) {
 272         for (i = 0; i < sk_X509_LOOKUP_num(ctx->get_cert_methods); i++) {
 273             lu = sk_X509_LOOKUP_value(ctx->get_cert_methods, i);
 274             j = X509_LOOKUP_by_subject(lu, type, name, &stmp);
 275             if (j) {
 276                 tmp = &stmp;
 277                 break;
 278             }
 279         }
 280         if (tmp == NULL)
 281             return 0;
 282     }
 283
 284     ret->type = tmp->type;
 285     ret->data.ptr = tmp->data.ptr;
 286
 287     X509_OBJECT_up_ref_count(ret);
 288
 289     return 1;
 290 }
 291
 292 static int x509_store_add(X509_STORE *ctx, void *x, int crl) {
 293     X509_OBJECT *obj;
 294     int ret = 0, added = 0;
 295
 296     if (x == NULL)
 297         return 0;
 298     obj = X509_OBJECT_new();
 299     if (obj == NULL)
 300         return 0;
 301
 302     if (crl) {
 303         obj->type = X509_LU_CRL;
 304         obj->data.crl = (X509_CRL *)x;
 305     } else {
 306         obj->type = X509_LU_X509;
 307         obj->data.x509 = (X509 *)x;
 308     }
 309     X509_OBJECT_up_ref_count(obj);
 310
 311     CRYPTO_THREAD_write_lock(ctx->lock);
 312
 313     if (X509_OBJECT_retrieve_match(ctx->objs, obj)) {
 314         ret = 1;
 315     } else {
 316         added = sk_X509_OBJECT_push(ctx->objs, obj);
 317         ret = added != 0;
 318     }
 319
 320     CRYPTO_THREAD_unlock(ctx->lock);
 321
 322     if (added == 0)             /* obj not pushed */
 323         X509_OBJECT_free(obj);
 324
 325     return ret;
 326 }
 327
 328 int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)
 329 {
 330     if (!x509_store_add(ctx, x, 0)) {
 331         X509err(X509_F_X509_STORE_ADD_CERT, ERR_R_MALLOC_FAILURE);
 332         return 0;
 333     }
 334     return 1;
 335 }
 336
 337 int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x)
 338 {
 339     if (!x509_store_add(ctx, x, 1)) {
 340         X509err(X509_F_X509_STORE_ADD_CRL, ERR_R_MALLOC_FAILURE);
 341         return 0;
 342     }
 343     return 1;
 344 }
 345
 346 int X509_OBJECT_up_ref_count(X509_OBJECT *a)
 347 {
 348     switch (a->type) {
 349     case X509_LU_NONE:
 350         break;
 351     case X509_LU_X509:
 352         return X509_up_ref(a->data.x509);
 353     case X509_LU_CRL:
 354         return X509_CRL_up_ref(a->data.crl);
 355     }
 356     return 1;
 357 }
 358
 359 X509 *X509_OBJECT_get0_X509(const X509_OBJECT *a)
 360 {
 361     if (a == NULL || a->type != X509_LU_X509)
 362         return NULL;
 363     return a->data.x509;
 364 }
 365
 366 X509_CRL *X509_OBJECT_get0_X509_CRL(X509_OBJECT *a)
 367 {
 368     if (a == NULL || a->type != X509_LU_CRL)
 369         return NULL;
 370     return a->data.crl;
 371 }
 372
 373 X509_LOOKUP_TYPE X509_OBJECT_get_type(const X509_OBJECT *a)
 374 {
 375     return a->type;
 376 }
 377
 378 X509_OBJECT *X509_OBJECT_new()
 379 {
 380     X509_OBJECT *ret = OPENSSL_zalloc(sizeof(*ret));
 381
 382     if (ret == NULL) {
 383         X509err(X509_F_X509_OBJECT_NEW, ERR_R_MALLOC_FAILURE);
 384         return NULL;
 385     }
 386     ret->type = X509_LU_NONE;
 387     return ret;
 388 }
 389
 390
 391 void X509_OBJECT_free(X509_OBJECT *a)
 392 {
 393     if (a == NULL)
 394         return;
 395     switch (a->type) {
 396     case X509_LU_NONE:
 397         break;
 398     case X509_LU_X509:
 399         X509_free(a->data.x509);
 400         break;
 401     case X509_LU_CRL:
 402         X509_CRL_free(a->data.crl);
 403         break;
 404     }
 405     OPENSSL_free(a);
 406 }
 407
 408 static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, X509_LOOKUP_TYPE type,
 409                                X509_NAME *name, int *pnmatch)
 410 {
 411     X509_OBJECT stmp;
 412     X509 x509_s;
 413     X509_CRL crl_s;
 414     int idx;
 415
 416     stmp.type = type;
 417     switch (type) {
 418     case X509_LU_X509:
 419         stmp.data.x509 = &x509_s;
 420         x509_s.cert_info.subject = name;
 421         break;
 422     case X509_LU_CRL:
 423         stmp.data.crl = &crl_s;
 424         crl_s.crl.issuer = name;
 425         break;
 426     case X509_LU_NONE:
 427         /* abort(); */
 428         return -1;
 429     }
 430
 431     idx = sk_X509_OBJECT_find(h, &stmp);
 432     if (idx >= 0 && pnmatch) {
 433         int tidx;
 434         const X509_OBJECT *tobj, *pstmp;
 435         *pnmatch = 1;
 436         pstmp = &stmp;
 437         for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
 438             tobj = sk_X509_OBJECT_value(h, tidx);
 439             if (x509_object_cmp(&tobj, &pstmp))
 440                 break;
 441             (*pnmatch)++;
 442         }
 443     }
 444     return idx;
 445 }
 446
 447 int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, X509_LOOKUP_TYPE type,
 448                                X509_NAME *name)
 449 {
 450     return x509_object_idx_cnt(h, type, name, NULL);
 451 }
 452
 453 X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,
 454                                              X509_LOOKUP_TYPE type,
 455                                              X509_NAME *name)
 456 {
 457     int idx;
 458     idx = X509_OBJECT_idx_by_subject(h, type, name);
 459     if (idx == -1)
 460         return NULL;
 461     return sk_X509_OBJECT_value(h, idx);
 462 }
 463
 464 STACK_OF(X509_OBJECT) *X509_STORE_get0_objects(X509_STORE *v)
 465 {
 466     return v->objs;
 467 }
 468
 469 STACK_OF(X509) *X509_STORE_CTX_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm)
 470 {
 471     int i, idx, cnt;
 472     STACK_OF(X509) *sk = NULL;
 473     X509 *x;
 474     X509_OBJECT *obj;
 475
 476     CRYPTO_THREAD_write_lock(ctx->ctx->lock);
 477     idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
 478     if (idx < 0) {
 479         /*
 480          * Nothing found in cache: do lookup to possibly add new objects to
 481          * cache
 482          */
 483         X509_OBJECT *xobj = X509_OBJECT_new();
 484
 485         CRYPTO_THREAD_unlock(ctx->ctx->lock);
 486         if (xobj == NULL)
 487             return NULL;
 488         if (!X509_STORE_CTX_get_by_subject(ctx, X509_LU_X509, nm, xobj)) {
 489             X509_OBJECT_free(xobj);
 490             return NULL;
 491         }
 492         X509_OBJECT_free(xobj);
 493         CRYPTO_THREAD_write_lock(ctx->ctx->lock);
 494         idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
 495         if (idx < 0) {
 496             CRYPTO_THREAD_unlock(ctx->ctx->lock);
 497             return NULL;
 498         }
 499     }
 500
 501     sk = sk_X509_new_null();
 502     for (i = 0; i < cnt; i++, idx++) {
 503         obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
 504         x = obj->data.x509;
 505         X509_up_ref(x);
 506         if (!sk_X509_push(sk, x)) {
 507             CRYPTO_THREAD_unlock(ctx->ctx->lock);
 508             X509_free(x);
 509             sk_X509_pop_free(sk, X509_free);
 510             return NULL;
 511         }
 512     }
 513     CRYPTO_THREAD_unlock(ctx->ctx->lock);
 514     return sk;
 515 }
 516
 517 STACK_OF(X509_CRL) *X509_STORE_CTX_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm)
 518 {
 519     int i, idx, cnt;
 520     STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
 521     X509_CRL *x;
 522     X509_OBJECT *obj, *xobj = X509_OBJECT_new();
 523
 524     /* Always do lookup to possibly add new CRLs to cache */
 525     if (sk == NULL || xobj == NULL ||
 526             !X509_STORE_CTX_get_by_subject(ctx, X509_LU_CRL, nm, xobj)) {
 527         X509_OBJECT_free(xobj);
 528         sk_X509_CRL_free(sk);
 529         return NULL;
 530     }
 531     X509_OBJECT_free(xobj);
 532     CRYPTO_THREAD_write_lock(ctx->ctx->lock);
 533     idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt);
 534     if (idx < 0) {
 535         CRYPTO_THREAD_unlock(ctx->ctx->lock);
 536         sk_X509_CRL_free(sk);
 537         return NULL;
 538     }
 539
 540     for (i = 0; i < cnt; i++, idx++) {
 541         obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
 542         x = obj->data.crl;
 543         X509_CRL_up_ref(x);
 544         if (!sk_X509_CRL_push(sk, x)) {
 545             CRYPTO_THREAD_unlock(ctx->ctx->lock);
 546             X509_CRL_free(x);
 547             sk_X509_CRL_pop_free(sk, X509_CRL_free);
 548             return NULL;
 549         }
 550     }
 551     CRYPTO_THREAD_unlock(ctx->ctx->lock);
 552     return sk;
 553 }
 554
 555 X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
 556                                         X509_OBJECT *x)
 557 {
 558     int idx, i;
 559     X509_OBJECT *obj;
 560     idx = sk_X509_OBJECT_find(h, x);
 561     if (idx == -1)
 562         return NULL;
 563     if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL))
 564         return sk_X509_OBJECT_value(h, idx);
 565     for (i = idx; i < sk_X509_OBJECT_num(h); i++) {
 566         obj = sk_X509_OBJECT_value(h, i);
 567         if (x509_object_cmp
 568             ((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x))
 569             return NULL;
 570         if (x->type == X509_LU_X509) {
 571             if (!X509_cmp(obj->data.x509, x->data.x509))
 572                 return obj;
 573         } else if (x->type == X509_LU_CRL) {
 574             if (!X509_CRL_match(obj->data.crl, x->data.crl))
 575                 return obj;
 576         } else
 577             return obj;
 578     }
 579     return NULL;
 580 }
 581
 582 /*-
 583  * Try to get issuer certificate from store. Due to limitations
 584  * of the API this can only retrieve a single certificate matching
 585  * a given subject name. However it will fill the cache with all
 586  * matching certificates, so we can examine the cache for all
 587  * matches.
 588  *
 589  * Return values are:
 590  *  1 lookup successful.
 591  *  0 certificate not found.
 592  * -1 some other error.
 593  */
 594 int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
 595 {
 596     X509_NAME *xn;
 597     X509_OBJECT *obj = X509_OBJECT_new(), *pobj = NULL;
 598     int i, ok, idx, ret;
 599
 600     if (obj == NULL)
 601         return -1;
 602     *issuer = NULL;
 603     xn = X509_get_issuer_name(x);
 604     ok = X509_STORE_CTX_get_by_subject(ctx, X509_LU_X509, xn, obj);
 605     if (ok != 1) {
 606         X509_OBJECT_free(obj);
 607         return 0;
 608     }
 609     /* If certificate matches all OK */
 610     if (ctx->check_issued(ctx, x, obj->data.x509)) {
 611         if (x509_check_cert_time(ctx, obj->data.x509, -1)) {
 612             *issuer = obj->data.x509;
 613             X509_up_ref(*issuer);
 614             X509_OBJECT_free(obj);
 615             return 1;
 616         }
 617     }
 618     X509_OBJECT_free(obj);
 619
 620     /* Else find index of first cert accepted by 'check_issued' */
 621     ret = 0;
 622     CRYPTO_THREAD_write_lock(ctx->ctx->lock);
 623     idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
 624     if (idx != -1) {            /* should be true as we've had at least one
 625                                  * match */
 626         /* Look through all matching certs for suitable issuer */
 627         for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) {
 628             pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
 629             /* See if we've run past the matches */
 630             if (pobj->type != X509_LU_X509)
 631                 break;
 632             if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509)))
 633                 break;
 634             if (ctx->check_issued(ctx, x, pobj->data.x509)) {
 635                 *issuer = pobj->data.x509;
 636                 ret = 1;
 637                 /*
 638                  * If times check, exit with match,
 639                  * otherwise keep looking. Leave last
 640                  * match in issuer so we return nearest
 641                  * match if no certificate time is OK.
 642                  */
 643
 644                 if (x509_check_cert_time(ctx, *issuer, -1))
 645                     break;
 646             }
 647         }
 648     }
 649     CRYPTO_THREAD_unlock(ctx->ctx->lock);
 650     if (*issuer)
 651         X509_up_ref(*issuer);
 652     return ret;
 653 }
 654
 655 int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags)
 656 {
 657     return X509_VERIFY_PARAM_set_flags(ctx->param, flags);
 658 }
 659
 660 int X509_STORE_set_depth(X509_STORE *ctx, int depth)
 661 {
 662     X509_VERIFY_PARAM_set_depth(ctx->param, depth);
 663     return 1;
 664 }
 665
 666 int X509_STORE_set_purpose(X509_STORE *ctx, int purpose)
 667 {
 668     return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose);
 669 }
 670
 671 int X509_STORE_set_trust(X509_STORE *ctx, int trust)
 672 {
 673     return X509_VERIFY_PARAM_set_trust(ctx->param, trust);
 674 }
 675
 676 int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param)
 677 {
 678     return X509_VERIFY_PARAM_set1(ctx->param, param);
 679 }
 680
 681 X509_VERIFY_PARAM *X509_STORE_get0_param(X509_STORE *ctx)
 682 {
 683     return ctx->param;
 684 }
 685
 686 void X509_STORE_set_verify(X509_STORE *ctx, X509_STORE_CTX_verify_fn verify)
 687 {
 688     ctx->verify = verify;
 689 }
 690
 691 X509_STORE_CTX_verify_fn X509_STORE_get_verify(X509_STORE *ctx)
 692 {
 693     return ctx->verify;
 694 }
 695
 696 void X509_STORE_set_verify_cb(X509_STORE *ctx,
 697                               X509_STORE_CTX_verify_cb verify_cb)
 698 {
 699     ctx->verify_cb = verify_cb;
 700 }
 701
 702 X509_STORE_CTX_verify_cb X509_STORE_get_verify_cb(X509_STORE *ctx)
 703 {
 704     return ctx->verify_cb;
 705 }
 706
 707 void X509_STORE_set_get_issuer(X509_STORE *ctx,
 708                                X509_STORE_CTX_get_issuer_fn get_issuer)
 709 {
 710     ctx->get_issuer = get_issuer;
 711 }
 712
 713 X509_STORE_CTX_get_issuer_fn X509_STORE_get_get_issuer(X509_STORE *ctx)
 714 {
 715     return ctx->get_issuer;
 716 }
 717
 718 void X509_STORE_set_check_issued(X509_STORE *ctx,
 719                                  X509_STORE_CTX_check_issued_fn check_issued)
 720 {
 721     ctx->check_issued = check_issued;
 722 }
 723
 724 X509_STORE_CTX_check_issued_fn X509_STORE_get_check_issued(X509_STORE *ctx)
 725 {
 726     return ctx->check_issued;
 727 }
 728
 729 void X509_STORE_set_check_revocation(X509_STORE *ctx,
 730                                      X509_STORE_CTX_check_revocation_fn check_revocation)
 731 {
 732     ctx->check_revocation = check_revocation;
 733 }
 734
 735 X509_STORE_CTX_check_revocation_fn X509_STORE_get_check_revocation(X509_STORE *ctx)
 736 {
 737     return ctx->check_revocation;
 738 }
 739
 740 void X509_STORE_set_get_crl(X509_STORE *ctx,
 741                             X509_STORE_CTX_get_crl_fn get_crl)
 742 {
 743     ctx->get_crl = get_crl;
 744 }
 745
 746 X509_STORE_CTX_get_crl_fn X509_STORE_get_get_crl(X509_STORE *ctx)
 747 {
 748     return ctx->get_crl;
 749 }
 750
 751 void X509_STORE_set_check_crl(X509_STORE *ctx,
 752                               X509_STORE_CTX_check_crl_fn check_crl)
 753 {
 754     ctx->check_crl = check_crl;
 755 }
 756
 757 X509_STORE_CTX_check_crl_fn X509_STORE_get_check_crl(X509_STORE *ctx)
 758 {
 759     return ctx->check_crl;
 760 }
 761
 762 void X509_STORE_set_cert_crl(X509_STORE *ctx,
 763                              X509_STORE_CTX_cert_crl_fn cert_crl)
 764 {
 765     ctx->cert_crl = cert_crl;
 766 }
 767
 768 X509_STORE_CTX_cert_crl_fn X509_STORE_get_cert_crl(X509_STORE *ctx)
 769 {
 770     return ctx->cert_crl;
 771 }
 772
 773 void X509_STORE_set_check_policy(X509_STORE *ctx,
 774                                  X509_STORE_CTX_check_policy_fn check_policy)
 775 {
 776     ctx->check_policy = check_policy;
 777 }
 778
 779 X509_STORE_CTX_check_policy_fn X509_STORE_get_check_policy(X509_STORE *ctx)
 780 {
 781     return ctx->check_policy;
 782 }
 783
 784 void X509_STORE_set_lookup_certs(X509_STORE *ctx,
 785                                  X509_STORE_CTX_lookup_certs_fn lookup_certs)
 786 {
 787     ctx->lookup_certs = lookup_certs;
 788 }
 789
 790 X509_STORE_CTX_lookup_certs_fn X509_STORE_get_lookup_certs(X509_STORE *ctx)
 791 {
 792     return ctx->lookup_certs;
 793 }
 794
 795 void X509_STORE_set_lookup_crls(X509_STORE *ctx,
 796                                 X509_STORE_CTX_lookup_crls_fn lookup_crls)
 797 {
 798     ctx->lookup_crls = lookup_crls;
 799 }
 800
 801 X509_STORE_CTX_lookup_crls_fn X509_STORE_get_lookup_crls(X509_STORE *ctx)
 802 {
 803     return ctx->lookup_crls;
 804 }
 805
 806 void X509_STORE_set_cleanup(X509_STORE *ctx,
 807                             X509_STORE_CTX_cleanup_fn ctx_cleanup)
 808 {
 809     ctx->cleanup = ctx_cleanup;
 810 }
 811
 812 X509_STORE_CTX_cleanup_fn X509_STORE_get_cleanup(X509_STORE *ctx)
 813 {
 814     return ctx->cleanup;
 815 }
 816
 817 int X509_STORE_set_ex_data(X509_STORE *ctx, int idx, void *data)
 818 {
 819     return CRYPTO_set_ex_data(&ctx->ex_data, idx, data);
 820 }
 821
 822 void *X509_STORE_get_ex_data(X509_STORE *ctx, int idx)
 823 {
 824     return CRYPTO_get_ex_data(&ctx->ex_data, idx);
 825 }
 826
 827 X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx)
 828 {
 829     return ctx->ctx;
 830 }