| 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 <string.h> |
| 59 | |
| 60 | #include <openssl/err.h> |
| 61 | #include <openssl/mem.h> |
| 62 | #include <openssl/thread.h> |
| 63 | #include <openssl/x509.h> |
| 64 | #include <openssl/x509v3.h> |
| 65 | |
| 66 | #include "../internal.h" |
| 67 | |
| 68 | X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method) |
| 69 | { |
| 70 | X509_LOOKUP *ret; |
| 71 | |
| 72 | ret = (X509_LOOKUP *)OPENSSL_malloc(sizeof(X509_LOOKUP)); |
| 73 | if (ret == NULL) |
| 74 | return NULL; |
| 75 | |
| 76 | ret->init = 0; |
| 77 | ret->skip = 0; |
| 78 | ret->method = method; |
| 79 | ret->method_data = NULL; |
| 80 | ret->store_ctx = NULL; |
| 81 | if ((method->new_item != NULL) && !method->new_item(ret)) { |
| 82 | OPENSSL_free(ret); |
| 83 | return NULL; |
| 84 | } |
| 85 | return ret; |
| 86 | } |
| 87 | |
| 88 | void X509_LOOKUP_free(X509_LOOKUP *ctx) |
| 89 | { |
| 90 | if (ctx == NULL) |
| 91 | return; |
| 92 | if ((ctx->method != NULL) && (ctx->method->free != NULL)) |
| 93 | (*ctx->method->free) (ctx); |
| 94 | OPENSSL_free(ctx); |
| 95 | } |
| 96 | |
| 97 | int X509_LOOKUP_init(X509_LOOKUP *ctx) |
| 98 | { |
| 99 | if (ctx->method == NULL) |
| 100 | return 0; |
| 101 | if (ctx->method->init != NULL) |
| 102 | return ctx->method->init(ctx); |
| 103 | else |
| 104 | return 1; |
| 105 | } |
| 106 | |
| 107 | int X509_LOOKUP_shutdown(X509_LOOKUP *ctx) |
| 108 | { |
| 109 | if (ctx->method == NULL) |
| 110 | return 0; |
| 111 | if (ctx->method->shutdown != NULL) |
| 112 | return ctx->method->shutdown(ctx); |
| 113 | else |
| 114 | return 1; |
| 115 | } |
| 116 | |
| 117 | int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl, |
| 118 | char **ret) |
| 119 | { |
| 120 | if (ctx->method == NULL) |
| 121 | return -1; |
| 122 | if (ctx->method->ctrl != NULL) |
| 123 | return ctx->method->ctrl(ctx, cmd, argc, argl, ret); |
| 124 | else |
| 125 | return 1; |
| 126 | } |
| 127 | |
| 128 | int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name, |
| 129 | X509_OBJECT *ret) |
| 130 | { |
| 131 | if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL)) |
| 132 | return 0; |
| 133 | if (ctx->skip) |
| 134 | return 0; |
| 135 | return ctx->method->get_by_subject(ctx, type, name, ret) > 0; |
| 136 | } |
| 137 | |
| 138 | int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name, |
| 139 | ASN1_INTEGER *serial, X509_OBJECT *ret) |
| 140 | { |
| 141 | if ((ctx->method == NULL) || (ctx->method->get_by_issuer_serial == NULL)) |
| 142 | return 0; |
| 143 | return ctx->method->get_by_issuer_serial(ctx, type, name, serial, ret) > 0; |
| 144 | } |
| 145 | |
| 146 | int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type, |
| 147 | unsigned char *bytes, int len, |
| 148 | X509_OBJECT *ret) |
| 149 | { |
| 150 | if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL)) |
| 151 | return 0; |
| 152 | return ctx->method->get_by_fingerprint(ctx, type, bytes, len, ret) > 0; |
| 153 | } |
| 154 | |
| 155 | int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len, |
| 156 | X509_OBJECT *ret) |
| 157 | { |
| 158 | if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL)) |
| 159 | return 0; |
| 160 | return ctx->method->get_by_alias(ctx, type, str, len, ret) > 0; |
| 161 | } |
| 162 | |
| 163 | static int x509_object_cmp(const X509_OBJECT **a, const X509_OBJECT **b) |
| 164 | { |
| 165 | int ret; |
| 166 | |
| 167 | ret = ((*a)->type - (*b)->type); |
| 168 | if (ret) |
| 169 | return ret; |
| 170 | switch ((*a)->type) { |
| 171 | case X509_LU_X509: |
| 172 | ret = X509_subject_name_cmp((*a)->data.x509, (*b)->data.x509); |
| 173 | break; |
| 174 | case X509_LU_CRL: |
| 175 | ret = X509_CRL_cmp((*a)->data.crl, (*b)->data.crl); |
| 176 | break; |
| 177 | default: |
| 178 | /* abort(); */ |
| 179 | return 0; |
| 180 | } |
| 181 | return ret; |
| 182 | } |
| 183 | |
| 184 | X509_STORE *X509_STORE_new(void) |
| 185 | { |
| 186 | X509_STORE *ret; |
| 187 | |
| 188 | if ((ret = (X509_STORE *)OPENSSL_malloc(sizeof(X509_STORE))) == NULL) |
| 189 | return NULL; |
| 190 | OPENSSL_memset(ret, 0, sizeof(*ret)); |
| 191 | CRYPTO_MUTEX_init(&ret->objs_lock); |
| 192 | ret->objs = sk_X509_OBJECT_new(x509_object_cmp); |
| 193 | if (ret->objs == NULL) |
| 194 | goto err; |
| 195 | ret->cache = 1; |
| 196 | ret->get_cert_methods = sk_X509_LOOKUP_new_null(); |
| 197 | if (ret->get_cert_methods == NULL) |
| 198 | goto err; |
| 199 | ret->param = X509_VERIFY_PARAM_new(); |
| 200 | if (ret->param == NULL) |
| 201 | goto err; |
| 202 | |
| 203 | ret->references = 1; |
| 204 | return ret; |
| 205 | err: |
| 206 | if (ret) { |
| 207 | CRYPTO_MUTEX_cleanup(&ret->objs_lock); |
| 208 | if (ret->param) |
| 209 | X509_VERIFY_PARAM_free(ret->param); |
| 210 | if (ret->get_cert_methods) |
| 211 | sk_X509_LOOKUP_free(ret->get_cert_methods); |
| 212 | if (ret->objs) |
| 213 | sk_X509_OBJECT_free(ret->objs); |
| 214 | OPENSSL_free(ret); |
| 215 | } |
| 216 | return NULL; |
| 217 | } |
| 218 | |
| 219 | int X509_STORE_up_ref(X509_STORE *store) |
| 220 | { |
| 221 | CRYPTO_refcount_inc(&store->references); |
| 222 | return 1; |
| 223 | } |
| 224 | |
| 225 | static void cleanup(X509_OBJECT *a) |
| 226 | { |
| 227 | if (a == NULL) { |
| 228 | return; |
| 229 | } |
| 230 | if (a->type == X509_LU_X509) { |
| 231 | X509_free(a->data.x509); |
| 232 | } else if (a->type == X509_LU_CRL) { |
| 233 | X509_CRL_free(a->data.crl); |
| 234 | } else { |
| 235 | /* abort(); */ |
| 236 | } |
| 237 | |
| 238 | OPENSSL_free(a); |
| 239 | } |
| 240 | |
| 241 | void X509_STORE_free(X509_STORE *vfy) |
| 242 | { |
| 243 | size_t j; |
| 244 | STACK_OF(X509_LOOKUP) *sk; |
| 245 | X509_LOOKUP *lu; |
| 246 | |
| 247 | if (vfy == NULL) |
| 248 | return; |
| 249 | |
| 250 | if (!CRYPTO_refcount_dec_and_test_zero(&vfy->references)) { |
| 251 | return; |
| 252 | } |
| 253 | |
| 254 | CRYPTO_MUTEX_cleanup(&vfy->objs_lock); |
| 255 | |
| 256 | sk = vfy->get_cert_methods; |
| 257 | for (j = 0; j < sk_X509_LOOKUP_num(sk); j++) { |
| 258 | lu = sk_X509_LOOKUP_value(sk, j); |
| 259 | X509_LOOKUP_shutdown(lu); |
| 260 | X509_LOOKUP_free(lu); |
| 261 | } |
| 262 | sk_X509_LOOKUP_free(sk); |
| 263 | sk_X509_OBJECT_pop_free(vfy->objs, cleanup); |
| 264 | |
| 265 | if (vfy->param) |
| 266 | X509_VERIFY_PARAM_free(vfy->param); |
| 267 | OPENSSL_free(vfy); |
| 268 | } |
| 269 | |
| 270 | X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m) |
| 271 | { |
| 272 | size_t i; |
| 273 | STACK_OF(X509_LOOKUP) *sk; |
| 274 | X509_LOOKUP *lu; |
| 275 | |
| 276 | sk = v->get_cert_methods; |
| 277 | for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) { |
| 278 | lu = sk_X509_LOOKUP_value(sk, i); |
| 279 | if (m == lu->method) { |
| 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 | lu->store_ctx = v; |
| 289 | if (sk_X509_LOOKUP_push(v->get_cert_methods, lu)) |
| 290 | return lu; |
| 291 | else { |
| 292 | X509_LOOKUP_free(lu); |
| 293 | return NULL; |
| 294 | } |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name, |
| 299 | X509_OBJECT *ret) |
| 300 | { |
| 301 | X509_STORE *ctx = vs->ctx; |
| 302 | X509_LOOKUP *lu; |
| 303 | X509_OBJECT stmp, *tmp; |
| 304 | int i; |
| 305 | |
| 306 | CRYPTO_MUTEX_lock_write(&ctx->objs_lock); |
| 307 | tmp = X509_OBJECT_retrieve_by_subject(ctx->objs, type, name); |
| 308 | CRYPTO_MUTEX_unlock_write(&ctx->objs_lock); |
| 309 | |
| 310 | if (tmp == NULL || type == X509_LU_CRL) { |
| 311 | for (i = 0; i < (int)sk_X509_LOOKUP_num(ctx->get_cert_methods); i++) { |
| 312 | lu = sk_X509_LOOKUP_value(ctx->get_cert_methods, i); |
| 313 | if (X509_LOOKUP_by_subject(lu, type, name, &stmp)) { |
| 314 | tmp = &stmp; |
| 315 | break; |
| 316 | } |
| 317 | } |
| 318 | if (tmp == NULL) |
| 319 | return 0; |
| 320 | } |
| 321 | |
| 322 | /* |
| 323 | * if (ret->data.ptr != NULL) X509_OBJECT_free_contents(ret); |
| 324 | */ |
| 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) |
| 340 | return 0; |
| 341 | obj = (X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT)); |
| 342 | if (obj == NULL) { |
| 343 | OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE); |
| 344 | return 0; |
| 345 | } |
| 346 | obj->type = X509_LU_X509; |
| 347 | obj->data.x509 = x; |
| 348 | |
| 349 | CRYPTO_MUTEX_lock_write(&ctx->objs_lock); |
| 350 | |
| 351 | X509_OBJECT_up_ref_count(obj); |
| 352 | |
| 353 | if (X509_OBJECT_retrieve_match(ctx->objs, obj)) { |
| 354 | X509_OBJECT_free_contents(obj); |
| 355 | OPENSSL_free(obj); |
| 356 | OPENSSL_PUT_ERROR(X509, X509_R_CERT_ALREADY_IN_HASH_TABLE); |
| 357 | ret = 0; |
| 358 | } else if (!sk_X509_OBJECT_push(ctx->objs, obj)) { |
| 359 | X509_OBJECT_free_contents(obj); |
| 360 | OPENSSL_free(obj); |
| 361 | OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE); |
| 362 | ret = 0; |
| 363 | } |
| 364 | |
| 365 | CRYPTO_MUTEX_unlock_write(&ctx->objs_lock); |
| 366 | |
| 367 | return ret; |
| 368 | } |
| 369 | |
| 370 | int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x) |
| 371 | { |
| 372 | X509_OBJECT *obj; |
| 373 | int ret = 1; |
| 374 | |
| 375 | if (x == NULL) |
| 376 | return 0; |
| 377 | obj = (X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT)); |
| 378 | if (obj == NULL) { |
| 379 | OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE); |
| 380 | return 0; |
| 381 | } |
| 382 | obj->type = X509_LU_CRL; |
| 383 | obj->data.crl = x; |
| 384 | |
| 385 | CRYPTO_MUTEX_lock_write(&ctx->objs_lock); |
| 386 | |
| 387 | X509_OBJECT_up_ref_count(obj); |
| 388 | |
| 389 | if (X509_OBJECT_retrieve_match(ctx->objs, obj)) { |
| 390 | X509_OBJECT_free_contents(obj); |
| 391 | OPENSSL_free(obj); |
| 392 | OPENSSL_PUT_ERROR(X509, X509_R_CERT_ALREADY_IN_HASH_TABLE); |
| 393 | ret = 0; |
| 394 | } else if (!sk_X509_OBJECT_push(ctx->objs, obj)) { |
| 395 | X509_OBJECT_free_contents(obj); |
| 396 | OPENSSL_free(obj); |
| 397 | OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE); |
| 398 | ret = 0; |
| 399 | } |
| 400 | |
| 401 | CRYPTO_MUTEX_unlock_write(&ctx->objs_lock); |
| 402 | |
| 403 | return ret; |
| 404 | } |
| 405 | |
| 406 | void X509_STORE_set0_additional_untrusted(X509_STORE *ctx, |
| 407 | STACK_OF(X509) *untrusted) { |
| 408 | ctx->additional_untrusted = untrusted; |
| 409 | } |
| 410 | |
| 411 | int X509_OBJECT_up_ref_count(X509_OBJECT *a) |
| 412 | { |
| 413 | switch (a->type) { |
| 414 | case X509_LU_X509: |
| 415 | X509_up_ref(a->data.x509); |
| 416 | break; |
| 417 | case X509_LU_CRL: |
| 418 | X509_CRL_up_ref(a->data.crl); |
| 419 | break; |
| 420 | } |
| 421 | return 1; |
| 422 | } |
| 423 | |
| 424 | void X509_OBJECT_free_contents(X509_OBJECT *a) |
| 425 | { |
| 426 | switch (a->type) { |
| 427 | case X509_LU_X509: |
| 428 | X509_free(a->data.x509); |
| 429 | break; |
| 430 | case X509_LU_CRL: |
| 431 | X509_CRL_free(a->data.crl); |
| 432 | break; |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | int X509_OBJECT_get_type(const X509_OBJECT *a) |
| 437 | { |
| 438 | return a->type; |
| 439 | } |
| 440 | |
| 441 | X509 *X509_OBJECT_get0_X509(const X509_OBJECT *a) |
| 442 | { |
| 443 | if (a == NULL || a->type != X509_LU_X509) { |
| 444 | return NULL; |
| 445 | } |
| 446 | return a->data.x509; |
| 447 | } |
| 448 | |
| 449 | static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, int type, |
| 450 | X509_NAME *name, int *pnmatch) |
| 451 | { |
| 452 | X509_OBJECT stmp; |
| 453 | X509 x509_s; |
| 454 | X509_CINF cinf_s; |
| 455 | X509_CRL crl_s; |
| 456 | X509_CRL_INFO crl_info_s; |
| 457 | |
| 458 | stmp.type = type; |
| 459 | switch (type) { |
| 460 | case X509_LU_X509: |
| 461 | stmp.data.x509 = &x509_s; |
| 462 | x509_s.cert_info = &cinf_s; |
| 463 | cinf_s.subject = name; |
| 464 | break; |
| 465 | case X509_LU_CRL: |
| 466 | stmp.data.crl = &crl_s; |
| 467 | crl_s.crl = &crl_info_s; |
| 468 | crl_info_s.issuer = name; |
| 469 | break; |
| 470 | default: |
| 471 | /* abort(); */ |
| 472 | return -1; |
| 473 | } |
| 474 | |
| 475 | size_t idx; |
| 476 | sk_X509_OBJECT_sort(h); |
| 477 | if (!sk_X509_OBJECT_find(h, &idx, &stmp)) |
| 478 | return -1; |
| 479 | |
| 480 | if (pnmatch != NULL) { |
| 481 | int tidx; |
| 482 | const X509_OBJECT *tobj, *pstmp; |
| 483 | *pnmatch = 1; |
| 484 | pstmp = &stmp; |
| 485 | for (tidx = idx + 1; tidx < (int)sk_X509_OBJECT_num(h); tidx++) { |
| 486 | tobj = sk_X509_OBJECT_value(h, tidx); |
| 487 | if (x509_object_cmp(&tobj, &pstmp)) |
| 488 | break; |
| 489 | (*pnmatch)++; |
| 490 | } |
| 491 | } |
| 492 | |
| 493 | return idx; |
| 494 | } |
| 495 | |
| 496 | int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type, |
| 497 | X509_NAME *name) |
| 498 | { |
| 499 | return x509_object_idx_cnt(h, type, name, NULL); |
| 500 | } |
| 501 | |
| 502 | X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h, |
| 503 | int type, X509_NAME *name) |
| 504 | { |
| 505 | int idx; |
| 506 | idx = X509_OBJECT_idx_by_subject(h, type, name); |
| 507 | if (idx == -1) |
| 508 | return NULL; |
| 509 | return sk_X509_OBJECT_value(h, idx); |
| 510 | } |
| 511 | |
| 512 | STACK_OF(X509_OBJECT) *X509_STORE_get0_objects(X509_STORE *st) |
| 513 | { |
| 514 | return st->objs; |
| 515 | } |
| 516 | |
| 517 | STACK_OF (X509) * X509_STORE_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm) |
| 518 | { |
| 519 | int i, idx, cnt; |
| 520 | STACK_OF(X509) *sk; |
| 521 | X509 *x; |
| 522 | X509_OBJECT *obj; |
| 523 | sk = sk_X509_new_null(); |
| 524 | if (sk == NULL) |
| 525 | return NULL; |
| 526 | CRYPTO_MUTEX_lock_write(&ctx->ctx->objs_lock); |
| 527 | idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt); |
| 528 | if (idx < 0) { |
| 529 | /* |
| 530 | * Nothing found in cache: do lookup to possibly add new objects to |
| 531 | * cache |
| 532 | */ |
| 533 | X509_OBJECT xobj; |
| 534 | CRYPTO_MUTEX_unlock_write(&ctx->ctx->objs_lock); |
| 535 | if (!X509_STORE_get_by_subject(ctx, X509_LU_X509, nm, &xobj)) { |
| 536 | sk_X509_free(sk); |
| 537 | return NULL; |
| 538 | } |
| 539 | X509_OBJECT_free_contents(&xobj); |
| 540 | CRYPTO_MUTEX_lock_write(&ctx->ctx->objs_lock); |
| 541 | idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt); |
| 542 | if (idx < 0) { |
| 543 | CRYPTO_MUTEX_unlock_write(&ctx->ctx->objs_lock); |
| 544 | sk_X509_free(sk); |
| 545 | return NULL; |
| 546 | } |
| 547 | } |
| 548 | for (i = 0; i < cnt; i++, idx++) { |
| 549 | obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx); |
| 550 | x = obj->data.x509; |
| 551 | if (!sk_X509_push(sk, x)) { |
| 552 | CRYPTO_MUTEX_unlock_write(&ctx->ctx->objs_lock); |
| 553 | sk_X509_pop_free(sk, X509_free); |
| 554 | return NULL; |
| 555 | } |
| 556 | X509_up_ref(x); |
| 557 | } |
| 558 | CRYPTO_MUTEX_unlock_write(&ctx->ctx->objs_lock); |
| 559 | return sk; |
| 560 | |
| 561 | } |
| 562 | |
| 563 | STACK_OF (X509_CRL) * X509_STORE_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm) |
| 564 | { |
| 565 | int i, idx, cnt; |
| 566 | STACK_OF(X509_CRL) *sk; |
| 567 | X509_CRL *x; |
| 568 | X509_OBJECT *obj, xobj; |
| 569 | sk = sk_X509_CRL_new_null(); |
| 570 | if (sk == NULL) |
| 571 | return NULL; |
| 572 | |
| 573 | /* Always do lookup to possibly add new CRLs to cache. */ |
| 574 | if (!X509_STORE_get_by_subject(ctx, X509_LU_CRL, nm, &xobj)) { |
| 575 | sk_X509_CRL_free(sk); |
| 576 | return NULL; |
| 577 | } |
| 578 | X509_OBJECT_free_contents(&xobj); |
| 579 | CRYPTO_MUTEX_lock_write(&ctx->ctx->objs_lock); |
| 580 | idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt); |
| 581 | if (idx < 0) { |
| 582 | CRYPTO_MUTEX_unlock_write(&ctx->ctx->objs_lock); |
| 583 | sk_X509_CRL_free(sk); |
| 584 | return NULL; |
| 585 | } |
| 586 | |
| 587 | for (i = 0; i < cnt; i++, idx++) { |
| 588 | obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx); |
| 589 | x = obj->data.crl; |
| 590 | X509_CRL_up_ref(x); |
| 591 | if (!sk_X509_CRL_push(sk, x)) { |
| 592 | CRYPTO_MUTEX_unlock_write(&ctx->ctx->objs_lock); |
| 593 | X509_CRL_free(x); |
| 594 | sk_X509_CRL_pop_free(sk, X509_CRL_free); |
| 595 | return NULL; |
| 596 | } |
| 597 | } |
| 598 | CRYPTO_MUTEX_unlock_write(&ctx->ctx->objs_lock); |
| 599 | return sk; |
| 600 | } |
| 601 | |
| 602 | X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, |
| 603 | X509_OBJECT *x) |
| 604 | { |
| 605 | size_t idx, i; |
| 606 | X509_OBJECT *obj; |
| 607 | |
| 608 | sk_X509_OBJECT_sort(h); |
| 609 | if (!sk_X509_OBJECT_find(h, &idx, x)) { |
| 610 | return NULL; |
| 611 | } |
| 612 | if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL)) |
| 613 | return sk_X509_OBJECT_value(h, idx); |
| 614 | for (i = idx; i < sk_X509_OBJECT_num(h); i++) { |
| 615 | obj = sk_X509_OBJECT_value(h, i); |
| 616 | if (x509_object_cmp |
| 617 | ((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x)) |
| 618 | return NULL; |
| 619 | if (x->type == X509_LU_X509) { |
| 620 | if (!X509_cmp(obj->data.x509, x->data.x509)) |
| 621 | return obj; |
| 622 | } else if (x->type == X509_LU_CRL) { |
| 623 | if (!X509_CRL_match(obj->data.crl, x->data.crl)) |
| 624 | return obj; |
| 625 | } else |
| 626 | return obj; |
| 627 | } |
| 628 | return NULL; |
| 629 | } |
| 630 | |
| 631 | /* |
| 632 | * Try to get issuer certificate from store. Due to limitations of the API |
| 633 | * this can only retrieve a single certificate matching a given subject name. |
| 634 | * However it will fill the cache with all matching certificates, so we can |
| 635 | * examine the cache for all matches. Return values are: 1 lookup |
| 636 | * successful. 0 certificate not found. -1 some other error. |
| 637 | */ |
| 638 | int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x) |
| 639 | { |
| 640 | X509_NAME *xn; |
| 641 | X509_OBJECT obj, *pobj; |
| 642 | int idx, ret; |
| 643 | size_t i; |
| 644 | xn = X509_get_issuer_name(x); |
| 645 | if (!X509_STORE_get_by_subject(ctx, X509_LU_X509, xn, &obj)) |
| 646 | return 0; |
| 647 | /* If certificate matches all OK */ |
| 648 | if (ctx->check_issued(ctx, x, obj.data.x509)) { |
| 649 | *issuer = obj.data.x509; |
| 650 | return 1; |
| 651 | } |
| 652 | X509_OBJECT_free_contents(&obj); |
| 653 | |
| 654 | /* Else find index of first cert accepted by 'check_issued' */ |
| 655 | ret = 0; |
| 656 | CRYPTO_MUTEX_lock_write(&ctx->ctx->objs_lock); |
| 657 | idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn); |
| 658 | if (idx != -1) { /* should be true as we've had at least one |
| 659 | * match */ |
| 660 | /* Look through all matching certs for suitable issuer */ |
| 661 | for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) { |
| 662 | pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i); |
| 663 | /* See if we've run past the matches */ |
| 664 | if (pobj->type != X509_LU_X509) |
| 665 | break; |
| 666 | if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509))) |
| 667 | break; |
| 668 | if (ctx->check_issued(ctx, x, pobj->data.x509)) { |
| 669 | *issuer = pobj->data.x509; |
| 670 | X509_OBJECT_up_ref_count(pobj); |
| 671 | ret = 1; |
| 672 | break; |
| 673 | } |
| 674 | } |
| 675 | } |
| 676 | CRYPTO_MUTEX_unlock_write(&ctx->ctx->objs_lock); |
| 677 | return ret; |
| 678 | } |
| 679 | |
| 680 | int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags) |
| 681 | { |
| 682 | return X509_VERIFY_PARAM_set_flags(ctx->param, flags); |
| 683 | } |
| 684 | |
| 685 | int X509_STORE_set_depth(X509_STORE *ctx, int depth) |
| 686 | { |
| 687 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); |
| 688 | return 1; |
| 689 | } |
| 690 | |
| 691 | int X509_STORE_set_purpose(X509_STORE *ctx, int purpose) |
| 692 | { |
| 693 | return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose); |
| 694 | } |
| 695 | |
| 696 | int X509_STORE_set_trust(X509_STORE *ctx, int trust) |
| 697 | { |
| 698 | return X509_VERIFY_PARAM_set_trust(ctx->param, trust); |
| 699 | } |
| 700 | |
| 701 | int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param) |
| 702 | { |
| 703 | return X509_VERIFY_PARAM_set1(ctx->param, param); |
| 704 | } |
| 705 | |
| 706 | X509_VERIFY_PARAM *X509_STORE_get0_param(X509_STORE *ctx) |
| 707 | { |
| 708 | return ctx->param; |
| 709 | } |
| 710 | |
| 711 | void X509_STORE_set_verify(X509_STORE *ctx, X509_STORE_CTX_verify_fn verify) |
| 712 | { |
| 713 | ctx->verify = verify; |
| 714 | } |
| 715 | |
| 716 | X509_STORE_CTX_verify_fn X509_STORE_get_verify(X509_STORE *ctx) |
| 717 | { |
| 718 | return ctx->verify; |
| 719 | } |
| 720 | |
| 721 | void X509_STORE_set_verify_cb(X509_STORE *ctx, |
| 722 | X509_STORE_CTX_verify_cb verify_cb) |
| 723 | { |
| 724 | ctx->verify_cb = verify_cb; |
| 725 | } |
| 726 | |
| 727 | X509_STORE_CTX_verify_cb X509_STORE_get_verify_cb(X509_STORE *ctx) |
| 728 | { |
| 729 | return ctx->verify_cb; |
| 730 | } |
| 731 | |
| 732 | void X509_STORE_set_get_issuer(X509_STORE *ctx, |
| 733 | X509_STORE_CTX_get_issuer_fn get_issuer) |
| 734 | { |
| 735 | ctx->get_issuer = get_issuer; |
| 736 | } |
| 737 | |
| 738 | X509_STORE_CTX_get_issuer_fn X509_STORE_get_get_issuer(X509_STORE *ctx) |
| 739 | { |
| 740 | return ctx->get_issuer; |
| 741 | } |
| 742 | |
| 743 | void X509_STORE_set_check_issued(X509_STORE *ctx, |
| 744 | X509_STORE_CTX_check_issued_fn check_issued) |
| 745 | { |
| 746 | ctx->check_issued = check_issued; |
| 747 | } |
| 748 | |
| 749 | X509_STORE_CTX_check_issued_fn X509_STORE_get_check_issued(X509_STORE *ctx) |
| 750 | { |
| 751 | return ctx->check_issued; |
| 752 | } |
| 753 | |
| 754 | void X509_STORE_set_check_revocation(X509_STORE *ctx, |
| 755 | X509_STORE_CTX_check_revocation_fn check_revocation) |
| 756 | { |
| 757 | ctx->check_revocation = check_revocation; |
| 758 | } |
| 759 | |
| 760 | X509_STORE_CTX_check_revocation_fn X509_STORE_get_check_revocation(X509_STORE *ctx) |
| 761 | { |
| 762 | return ctx->check_revocation; |
| 763 | } |
| 764 | |
| 765 | void X509_STORE_set_get_crl(X509_STORE *ctx, |
| 766 | X509_STORE_CTX_get_crl_fn get_crl) |
| 767 | { |
| 768 | ctx->get_crl = get_crl; |
| 769 | } |
| 770 | |
| 771 | X509_STORE_CTX_get_crl_fn X509_STORE_get_get_crl(X509_STORE *ctx) |
| 772 | { |
| 773 | return ctx->get_crl; |
| 774 | } |
| 775 | |
| 776 | void X509_STORE_set_check_crl(X509_STORE *ctx, |
| 777 | X509_STORE_CTX_check_crl_fn check_crl) |
| 778 | { |
| 779 | ctx->check_crl = check_crl; |
| 780 | } |
| 781 | |
| 782 | X509_STORE_CTX_check_crl_fn X509_STORE_get_check_crl(X509_STORE *ctx) |
| 783 | { |
| 784 | return ctx->check_crl; |
| 785 | } |
| 786 | |
| 787 | void X509_STORE_set_cert_crl(X509_STORE *ctx, |
| 788 | X509_STORE_CTX_cert_crl_fn cert_crl) |
| 789 | { |
| 790 | ctx->cert_crl = cert_crl; |
| 791 | } |
| 792 | |
| 793 | X509_STORE_CTX_cert_crl_fn X509_STORE_get_cert_crl(X509_STORE *ctx) |
| 794 | { |
| 795 | return ctx->cert_crl; |
| 796 | } |
| 797 | |
| 798 | void X509_STORE_set_lookup_certs(X509_STORE *ctx, |
| 799 | X509_STORE_CTX_lookup_certs_fn lookup_certs) |
| 800 | { |
| 801 | ctx->lookup_certs = lookup_certs; |
| 802 | } |
| 803 | |
| 804 | X509_STORE_CTX_lookup_certs_fn X509_STORE_get_lookup_certs(X509_STORE *ctx) |
| 805 | { |
| 806 | return ctx->lookup_certs; |
| 807 | } |
| 808 | |
| 809 | void X509_STORE_set_lookup_crls(X509_STORE *ctx, |
| 810 | X509_STORE_CTX_lookup_crls_fn lookup_crls) |
| 811 | { |
| 812 | ctx->lookup_crls = lookup_crls; |
| 813 | } |
| 814 | |
| 815 | X509_STORE_CTX_lookup_crls_fn X509_STORE_get_lookup_crls(X509_STORE *ctx) |
| 816 | { |
| 817 | return ctx->lookup_crls; |
| 818 | } |
| 819 | |
| 820 | void X509_STORE_set_cleanup(X509_STORE *ctx, |
| 821 | X509_STORE_CTX_cleanup_fn ctx_cleanup) |
| 822 | { |
| 823 | ctx->cleanup = ctx_cleanup; |
| 824 | } |
| 825 | |
| 826 | X509_STORE_CTX_cleanup_fn X509_STORE_get_cleanup(X509_STORE *ctx) |
| 827 | { |
| 828 | return ctx->cleanup; |
| 829 | } |
| 830 | |
| 831 | X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx) |
| 832 | { |
| 833 | return ctx->ctx; |
| 834 | } |
| 835 | |