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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)
71 return NULL;
72
73 ret->init = 0;
74 ret->skip = 0;
75 ret->method = method;
76 ret->method_data = NULL;
77 ret->store_ctx = NULL;
78 if ((method->new_item != NULL) && !method->new_item(ret)) {
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)
88 return;
89 if ((ctx->method != NULL) && (ctx->method->free != NULL))
90 (*ctx->method->free) (ctx);
91 OPENSSL_free(ctx);
92 }
93
94 int X509_LOOKUP_init(X509_LOOKUP *ctx)
95 {
96 if (ctx->method == NULL)
97 return 0;
98 if (ctx->method->init != NULL)
99 return ctx->method->init(ctx);
100 else
101 return 1;
102 }
103
104 int X509_LOOKUP_shutdown(X509_LOOKUP *ctx)
105 {
106 if (ctx->method == NULL)
107 return 0;
108 if (ctx->method->shutdown != NULL)
109 return ctx->method->shutdown(ctx);
110 else
111 return 1;
112 }
113
114 int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
115 char **ret)
116 {
117 if (ctx->method == NULL)
118 return -1;
119 if (ctx->method->ctrl != NULL)
120 return ctx->method->ctrl(ctx, cmd, argc, argl, ret);
121 else
122 return 1;
123 }
124
125 int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
126 X509_OBJECT *ret)
127 {
128 if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL))
129 return X509_LU_FAIL;
130 if (ctx->skip)
131 return 0;
132 return ctx->method->get_by_subject(ctx, type, name, ret);
133 }
134
135 int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
136 ASN1_INTEGER *serial, X509_OBJECT *ret)
137 {
138 if ((ctx->method == NULL) || (ctx->method->get_by_issuer_serial == NULL))
139 return X509_LU_FAIL;
140 return ctx->method->get_by_issuer_serial(ctx, type, name, serial, ret);
141 }
142
143 int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
144 unsigned char *bytes, int len,
145 X509_OBJECT *ret)
146 {
147 if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL))
148 return X509_LU_FAIL;
149 return ctx->method->get_by_fingerprint(ctx, type, bytes, len, ret);
150 }
151
152 int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len,
153 X509_OBJECT *ret)
154 {
155 if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL))
156 return X509_LU_FAIL;
157 return ctx->method->get_by_alias(ctx, type, str, len, ret);
158 }
159
160 static int x509_object_cmp(const X509_OBJECT *const *a,
161 const X509_OBJECT *const *b)
162 {
163 int ret;
164
165 ret = ((*a)->type - (*b)->type);
166 if (ret)
167 return ret;
168 switch ((*a)->type) {
169 case X509_LU_X509:
170 ret = X509_subject_name_cmp((*a)->data.x509, (*b)->data.x509);
171 break;
172 case X509_LU_CRL:
173 ret = X509_CRL_cmp((*a)->data.crl, (*b)->data.crl);
174 break;
175 default:
176 /* abort(); */
177 return 0;
178 }
179 return ret;
180 }
181
182 X509_STORE *X509_STORE_new(void)
183 {
184 X509_STORE *ret;
185
186 if ((ret = (X509_STORE *)OPENSSL_malloc(sizeof(X509_STORE))) == NULL)
187 return NULL;
188 ret->objs = sk_X509_OBJECT_new(x509_object_cmp);
189 ret->cache = 1;
190 ret->get_cert_methods = sk_X509_LOOKUP_new_null();
191 ret->verify = 0;
192 ret->verify_cb = 0;
193
194 if ((ret->param = X509_VERIFY_PARAM_new()) == NULL)
195 return NULL;
196
197 ret->get_issuer = 0;
198 ret->check_issued = 0;
199 ret->check_revocation = 0;
200 ret->get_crl = 0;
201 ret->check_crl = 0;
202 ret->cert_crl = 0;
203 ret->lookup_certs = 0;
204 ret->lookup_crls = 0;
205 ret->cleanup = 0;
206
207 if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data)) {
208 sk_X509_OBJECT_free(ret->objs);
209 OPENSSL_free(ret);
210 return NULL;
211 }
212
213 ret->references = 1;
214 return ret;
215 }
216
217 static void cleanup(X509_OBJECT *a)
218 {
219 if (a->type == X509_LU_X509) {
220 X509_free(a->data.x509);
221 } else if (a->type == X509_LU_CRL) {
222 X509_CRL_free(a->data.crl);
223 } else {
224 /* abort(); */
225 }
226
227 OPENSSL_free(a);
228 }
229
230 void X509_STORE_free(X509_STORE *vfy)
231 {
232 int i;
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)
244 return;
245 #ifdef REF_CHECK
246 if (i < 0) {
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 (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
254 lu = sk_X509_LOOKUP_value(sk, i);
255 X509_LOOKUP_shutdown(lu);
256 X509_LOOKUP_free(lu);
257 }
258 sk_X509_LOOKUP_free(sk);
259 sk_X509_OBJECT_pop_free(vfy->objs, cleanup);
260
261 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data);
262 if (vfy->param)
263 X509_VERIFY_PARAM_free(vfy->param);
264 OPENSSL_free(vfy);
265 }
266
267 X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m)
268 {
269 int i;
270 STACK_OF(X509_LOOKUP) *sk;
271 X509_LOOKUP *lu;
272
273 sk = v->get_cert_methods;
274 for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
275 lu = sk_X509_LOOKUP_value(sk, i);
276 if (m == lu->method) {
277 return lu;
278 }
279 }
280 /* a new one */
281 lu = X509_LOOKUP_new(m);
282 if (lu == NULL)
283 return NULL;
284 else {
285 lu->store_ctx = v;
286 if (sk_X509_LOOKUP_push(v->get_cert_methods, lu))
287 return lu;
288 else {
289 X509_LOOKUP_free(lu);
290 return NULL;
291 }
292 }
293 }
294
295 int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name,
296 X509_OBJECT *ret)
297 {
298 X509_STORE *ctx = vs->ctx;
299 X509_LOOKUP *lu;
300 X509_OBJECT stmp, *tmp;
301 int i, j;
302
303 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
304 tmp = X509_OBJECT_retrieve_by_subject(ctx->objs, type, name);
305 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
306
307 if (tmp == NULL || type == X509_LU_CRL) {
308 for (i = vs->current_method;
309 i < sk_X509_LOOKUP_num(ctx->get_cert_methods); i++) {
310 lu = sk_X509_LOOKUP_value(ctx->get_cert_methods, i);
311 j = X509_LOOKUP_by_subject(lu, type, name, &stmp);
312 if (j < 0) {
313 vs->current_method = j;
314 return j;
315 } else if (j) {
316 tmp = &stmp;
317 break;
318 }
319 }
320 vs->current_method = 0;
321 if (tmp == NULL)
322 return 0;
323 }
324
325 /*- if (ret->data.ptr != NULL)
326 X509_OBJECT_free_contents(ret); */
327
328 ret->type = tmp->type;
329 ret->data.ptr = tmp->data.ptr;
330
331 X509_OBJECT_up_ref_count(ret);
332
333 return 1;
334 }
335
336 int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)
337 {
338 X509_OBJECT *obj;
339 int ret = 1;
340
341 if (x == NULL)
342 return 0;
343 obj = (X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT));
344 if (obj == NULL) {
345 X509err(X509_F_X509_STORE_ADD_CERT, ERR_R_MALLOC_FAILURE);
346 return 0;
347 }
348 obj->type = X509_LU_X509;
349 obj->data.x509 = x;
350
351 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
352
353 X509_OBJECT_up_ref_count(obj);
354
355 if (X509_OBJECT_retrieve_match(ctx->objs, obj)) {
356 X509_OBJECT_free_contents(obj);
357 OPENSSL_free(obj);
358 X509err(X509_F_X509_STORE_ADD_CERT,
359 X509_R_CERT_ALREADY_IN_HASH_TABLE);
360 ret = 0;
361 } else
362 sk_X509_OBJECT_push(ctx->objs, obj);
363
364 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
365
366 return ret;
367 }
368
369 int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x)
370 {
371 X509_OBJECT *obj;
372 int ret = 1;
373
374 if (x == NULL)
375 return 0;
376 obj = (X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT));
377 if (obj == NULL) {
378 X509err(X509_F_X509_STORE_ADD_CRL, ERR_R_MALLOC_FAILURE);
379 return 0;
380 }
381 obj->type = X509_LU_CRL;
382 obj->data.crl = x;
383
384 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
385
386 X509_OBJECT_up_ref_count(obj);
387
388 if (X509_OBJECT_retrieve_match(ctx->objs, obj)) {
389 X509_OBJECT_free_contents(obj);
390 OPENSSL_free(obj);
391 X509err(X509_F_X509_STORE_ADD_CRL, X509_R_CERT_ALREADY_IN_HASH_TABLE);
392 ret = 0;
393 } else
394 sk_X509_OBJECT_push(ctx->objs, obj);
395
396 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
397
398 return ret;
399 }
400
401 void X509_OBJECT_up_ref_count(X509_OBJECT *a)
402 {
403 switch (a->type) {
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 case X509_LU_X509:
417 X509_free(a->data.x509);
418 break;
419 case X509_LU_CRL:
420 X509_CRL_free(a->data.crl);
421 break;
422 }
423 }
424
425 static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, int type,
426 X509_NAME *name, int *pnmatch)
427 {
428 X509_OBJECT stmp;
429 X509 x509_s;
430 X509_CINF cinf_s;
431 X509_CRL crl_s;
432 X509_CRL_INFO crl_info_s;
433 int idx;
434
435 stmp.type = type;
436 switch (type) {
437 case X509_LU_X509:
438 stmp.data.x509 = &x509_s;
439 x509_s.cert_info = &cinf_s;
440 cinf_s.subject = name;
441 break;
442 case X509_LU_CRL:
443 stmp.data.crl = &crl_s;
444 crl_s.crl = &crl_info_s;
445 crl_info_s.issuer = name;
446 break;
447 default:
448 /* abort(); */
449 return -1;
450 }
451
452 idx = sk_X509_OBJECT_find(h, &stmp);
453 if (idx >= 0 && pnmatch) {
454 int tidx;
455 const X509_OBJECT *tobj, *pstmp;
456 *pnmatch = 1;
457 pstmp = &stmp;
458 for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
459 tobj = sk_X509_OBJECT_value(h, tidx);
460 if (x509_object_cmp(&tobj, &pstmp))
461 break;
462 (*pnmatch)++;
463 }
464 }
465 return idx;
466 }
467
468 int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
469 X509_NAME *name)
470 {
471 return x509_object_idx_cnt(h, type, name, NULL);
472 }
473
474 X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,
475 int type, X509_NAME *name)
476 {
477 int idx;
478 idx = X509_OBJECT_idx_by_subject(h, type, name);
479 if (idx == -1)
480 return NULL;
481 return sk_X509_OBJECT_value(h, idx);
482 }
483
484 STACK_OF(X509) *X509_STORE_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm)
485 {
486 int i, idx, cnt;
487 STACK_OF(X509) *sk;
488 X509 *x;
489 X509_OBJECT *obj;
490 sk = sk_X509_new_null();
491 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
492 idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
493 if (idx < 0) {
494 /*
495 * Nothing found in cache: do lookup to possibly add new objects to
496 * cache
497 */
498 X509_OBJECT xobj;
499 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
500 if (!X509_STORE_get_by_subject(ctx, X509_LU_X509, nm, &xobj)) {
501 sk_X509_free(sk);
502 return NULL;
503 }
504 X509_OBJECT_free_contents(&xobj);
505 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
506 idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
507 if (idx < 0) {
508 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
509 sk_X509_free(sk);
510 return NULL;
511 }
512 }
513 for (i = 0; i < cnt; i++, idx++) {
514 obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
515 x = obj->data.x509;
516 CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
517 if (!sk_X509_push(sk, x)) {
518 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
519 X509_free(x);
520 sk_X509_pop_free(sk, X509_free);
521 return NULL;
522 }
523 }
524 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
525 return sk;
526
527 }
528
529 STACK_OF(X509_CRL) *X509_STORE_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm)
530 {
531 int i, idx, cnt;
532 STACK_OF(X509_CRL) *sk;
533 X509_CRL *x;
534 X509_OBJECT *obj, xobj;
535 sk = sk_X509_CRL_new_null();
536 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
537 /* Check cache first */
538 idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt);
539
540 /*
541 * Always do lookup to possibly add new CRLs to cache
542 */
543 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
544 if (!X509_STORE_get_by_subject(ctx, X509_LU_CRL, nm, &xobj)) {
545 sk_X509_CRL_free(sk);
546 return NULL;
547 }
548 X509_OBJECT_free_contents(&xobj);
549 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
550 idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt);
551 if (idx < 0) {
552 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
553 sk_X509_CRL_free(sk);
554 return NULL;
555 }
556
557 for (i = 0; i < cnt; i++, idx++) {
558 obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
559 x = obj->data.crl;
560 CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509_CRL);
561 if (!sk_X509_CRL_push(sk, x)) {
562 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
563 X509_CRL_free(x);
564 sk_X509_CRL_pop_free(sk, X509_CRL_free);
565 return NULL;
566 }
567 }
568 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
569 return sk;
570 }
571
572 X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
573 X509_OBJECT *x)
574 {
575 int idx, i;
576 X509_OBJECT *obj;
577 idx = sk_X509_OBJECT_find(h, x);
578 if (idx == -1)
579 return NULL;
580 if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL))
581 return sk_X509_OBJECT_value(h, idx);
582 for (i = idx; i < sk_X509_OBJECT_num(h); i++) {
583 obj = sk_X509_OBJECT_value(h, i);
584 if (x509_object_cmp
585 ((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x))
586 return NULL;
587 if (x->type == X509_LU_X509) {
588 if (!X509_cmp(obj->data.x509, x->data.x509))
589 return obj;
590 } else if (x->type == X509_LU_CRL) {
591 if (!X509_CRL_match(obj->data.crl, x->data.crl))
592 return obj;
593 } else
594 return obj;
595 }
596 return NULL;
597 }
598
599 /*-
600 * Try to get issuer certificate from store. Due to limitations
601 * of the API this can only retrieve a single certificate matching
602 * a given subject name. However it will fill the cache with all
603 * matching certificates, so we can examine the cache for all
604 * matches.
605 *
606 * Return values are:
607 * 1 lookup successful.
608 * 0 certificate not found.
609 * -1 some other error.
610 */
611 int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
612 {
613 X509_NAME *xn;
614 X509_OBJECT obj, *pobj;
615 int i, ok, idx, ret;
616 xn = X509_get_issuer_name(x);
617 ok = X509_STORE_get_by_subject(ctx, X509_LU_X509, xn, &obj);
618 if (ok != X509_LU_X509) {
619 if (ok == X509_LU_RETRY) {
620 X509_OBJECT_free_contents(&obj);
621 X509err(X509_F_X509_STORE_CTX_GET1_ISSUER, X509_R_SHOULD_RETRY);
622 return -1;
623 } else if (ok != X509_LU_FAIL) {
624 X509_OBJECT_free_contents(&obj);
625 /* not good :-(, break anyway */
626 return -1;
627 }
628 return 0;
629 }
630 /* If certificate matches all OK */
631 if (ctx->check_issued(ctx, x, obj.data.x509)) {
632 *issuer = obj.data.x509;
633 return 1;
634 }
635 X509_OBJECT_free_contents(&obj);
636
637 /* Else find index of first cert accepted by 'check_issued' */
638 ret = 0;
639 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
640 idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
641 if (idx != -1) { /* should be true as we've had at least one
642 * match */
643 /* Look through all matching certs for suitable issuer */
644 for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) {
645 pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
646 /* See if we've run past the matches */
647 if (pobj->type != X509_LU_X509)
648 break;
649 if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509)))
650 break;
651 if (ctx->check_issued(ctx, x, pobj->data.x509)) {
652 *issuer = pobj->data.x509;
653 X509_OBJECT_up_ref_count(pobj);
654 ret = 1;
655 break;
656 }
657 }
658 }
659 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
660 return ret;
661 }
662
663 int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags)
664 {
665 return X509_VERIFY_PARAM_set_flags(ctx->param, flags);
666 }
667
668 int X509_STORE_set_depth(X509_STORE *ctx, int depth)
669 {
670 X509_VERIFY_PARAM_set_depth(ctx->param, depth);
671 return 1;
672 }
673
674 int X509_STORE_set_purpose(X509_STORE *ctx, int purpose)
675 {
676 return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose);
677 }
678
679 int X509_STORE_set_trust(X509_STORE *ctx, int trust)
680 {
681 return X509_VERIFY_PARAM_set_trust(ctx->param, trust);
682 }
683
684 int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param)
685 {
686 return X509_VERIFY_PARAM_set1(ctx->param, param);
687 }
688
689 void X509_STORE_set_verify_cb(X509_STORE *ctx,
690 int (*verify_cb) (int, X509_STORE_CTX *))
691 {
692 ctx->verify_cb = verify_cb;
693 }
694
695 void X509_STORE_set_lookup_crls_cb(X509_STORE *ctx,
696 STACK_OF(X509_CRL) *(*cb) (X509_STORE_CTX
697 *ctx,
698 X509_NAME *nm))
699 {
700 ctx->lookup_crls = cb;
701 }
702
703 X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx)
704 {
705 return ctx->ctx;
706 }
707
708 IMPLEMENT_STACK_OF(X509_LOOKUP)
709
710 IMPLEMENT_STACK_OF(X509_OBJECT)