Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 | |
| 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)) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 90 | ctx->method->free(ctx); |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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) |