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58964a49 1/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
RE
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
0f113f3e 7 *
d02b48c6
RE
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
0f113f3e 14 *
d02b48c6
RE
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
0f113f3e 21 *
d02b48c6
RE
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
0f113f3e 36 * 4. If you include any Windows specific code (or a derivative thereof) from
d02b48c6
RE
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
0f113f3e 39 *
d02b48c6
RE
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
0f113f3e 51 *
d02b48c6
RE
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
56 */
57
58#include <stdio.h>
b39fc560 59#include "internal/cryptlib.h"
ec577822
BM
60#include <openssl/lhash.h>
61#include <openssl/x509.h>
e3e57192 62#include "internal/x509_int.h"
926a56bf 63#include <openssl/x509v3.h>
0930251d 64#include "x509_lcl.h"
d02b48c6 65
6b691a5c 66X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method)
0f113f3e
MC
67{
68 X509_LOOKUP *ret;
69
64b25758 70 ret = OPENSSL_zalloc(sizeof(*ret));
0f113f3e
MC
71 if (ret == NULL)
72 return NULL;
73
0f113f3e 74 ret->method = method;
0f113f3e
MC
75 if ((method->new_item != NULL) && !method->new_item(ret)) {
76 OPENSSL_free(ret);
77 return NULL;
78 }
79 return ret;
80}
d02b48c6 81
6b691a5c 82void X509_LOOKUP_free(X509_LOOKUP *ctx)
0f113f3e
MC
83{
84 if (ctx == NULL)
85 return;
86 if ((ctx->method != NULL) && (ctx->method->free != NULL))
87 (*ctx->method->free) (ctx);
88 OPENSSL_free(ctx);
89}
d02b48c6 90
6b691a5c 91int X509_LOOKUP_init(X509_LOOKUP *ctx)
0f113f3e
MC
92{
93 if (ctx->method == NULL)
94 return 0;
95 if (ctx->method->init != NULL)
96 return ctx->method->init(ctx);
97 else
98 return 1;
99}
d02b48c6 100
6b691a5c 101int X509_LOOKUP_shutdown(X509_LOOKUP *ctx)
0f113f3e
MC
102{
103 if (ctx->method == NULL)
104 return 0;
105 if (ctx->method->shutdown != NULL)
106 return ctx->method->shutdown(ctx);
107 else
108 return 1;
109}
d02b48c6 110
303c0028 111int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
0f113f3e
MC
112 char **ret)
113{
114 if (ctx->method == NULL)
115 return -1;
116 if (ctx->method->ctrl != NULL)
117 return ctx->method->ctrl(ctx, cmd, argc, argl, ret);
118 else
119 return 1;
120}
d02b48c6 121
6b691a5c 122int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
0f113f3e
MC
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)
128 return 0;
129 return ctx->method->get_by_subject(ctx, type, name, ret);
130}
d02b48c6 131
6b691a5c 132int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
0f113f3e
MC
133 ASN1_INTEGER *serial, X509_OBJECT *ret)
134{
135 if ((ctx->method == NULL) || (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}
d02b48c6 139
6b691a5c 140int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
0f113f3e
MC
141 unsigned char *bytes, int len,
142 X509_OBJECT *ret)
143{
144 if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL))
145 return X509_LU_FAIL;
146 return ctx->method->get_by_fingerprint(ctx, type, bytes, len, ret);
147}
d02b48c6 148
6b691a5c 149int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len,
0f113f3e
MC
150 X509_OBJECT *ret)
151{
152 if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL))
153 return X509_LU_FAIL;
154 return ctx->method->get_by_alias(ctx, type, str, len, ret);
155}
156
157static int x509_object_cmp(const X509_OBJECT *const *a,
158 const X509_OBJECT *const *b)
159{
160 int ret;
161
162 ret = ((*a)->type - (*b)->type);
163 if (ret)
164 return ret;
165 switch ((*a)->type) {
166 case X509_LU_X509:
167 ret = X509_subject_name_cmp((*a)->data.x509, (*b)->data.x509);
168 break;
169 case X509_LU_CRL:
170 ret = X509_CRL_cmp((*a)->data.crl, (*b)->data.crl);
171 break;
172 default:
173 /* abort(); */
174 return 0;
175 }
176 return ret;
177}
d02b48c6 178
6b691a5c 179X509_STORE *X509_STORE_new(void)
0f113f3e
MC
180{
181 X509_STORE *ret;
182
64b25758 183 if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL)
0f113f3e 184 return NULL;
90945fa3
MC
185 if ((ret->objs = sk_X509_OBJECT_new(x509_object_cmp)) == NULL)
186 goto err;
0f113f3e 187 ret->cache = 1;
90945fa3
MC
188 if ((ret->get_cert_methods = sk_X509_LOOKUP_new_null()) == NULL)
189 goto err;
0f113f3e
MC
190
191 if ((ret->param = X509_VERIFY_PARAM_new()) == NULL)
90945fa3 192 goto err;
0f113f3e 193
90945fa3
MC
194 if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data))
195 goto err;
0f113f3e 196
c001ce33
AG
197 ret->lock = CRYPTO_THREAD_lock_new();
198 if (ret->lock == NULL)
199 goto err;
200
0f113f3e
MC
201 ret->references = 1;
202 return ret;
c001ce33 203
90945fa3
MC
204err:
205 X509_VERIFY_PARAM_free(ret->param);
206 sk_X509_OBJECT_free(ret->objs);
207 sk_X509_LOOKUP_free(ret->get_cert_methods);
208 OPENSSL_free(ret);
209 return NULL;
0f113f3e 210}
d02b48c6 211
6b691a5c 212static void cleanup(X509_OBJECT *a)
0f113f3e 213{
222561fe
RS
214 if (!a)
215 return;
0f113f3e
MC
216 if (a->type == X509_LU_X509) {
217 X509_free(a->data.x509);
218 } else if (a->type == X509_LU_CRL) {
219 X509_CRL_free(a->data.crl);
220 } else {
221 /* abort(); */
222 }
223
224 OPENSSL_free(a);
225}
d02b48c6 226
6b691a5c 227void X509_STORE_free(X509_STORE *vfy)
0f113f3e
MC
228{
229 int i;
230 STACK_OF(X509_LOOKUP) *sk;
231 X509_LOOKUP *lu;
d02b48c6 232
0f113f3e
MC
233 if (vfy == NULL)
234 return;
e03ddfae 235
c001ce33 236 CRYPTO_atomic_add(&vfy->references, -1, &i, vfy->lock);
f3f1cf84 237 REF_PRINT_COUNT("X509_STORE", vfy);
0f113f3e
MC
238 if (i > 0)
239 return;
f3f1cf84 240 REF_ASSERT_ISNT(i < 0);
bff9ce4d 241
0f113f3e
MC
242 sk = vfy->get_cert_methods;
243 for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
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);
222561fe 252 X509_VERIFY_PARAM_free(vfy->param);
c001ce33 253 CRYPTO_THREAD_lock_free(vfy->lock);
0f113f3e
MC
254 OPENSSL_free(vfy);
255}
d02b48c6 256
c001ce33
AG
257int X509_STORE_up_ref(X509_STORE *vfy)
258{
259 int i;
260
261 if (CRYPTO_atomic_add(&vfy->references, 1, &i, vfy->lock) <= 0)
262 return 0;
263
264 REF_PRINT_COUNT("X509_STORE", a);
265 REF_ASSERT_ISNT(i < 2);
266 return ((i > 1) ? 1 : 0);
267}
268
6b691a5c 269X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m)
0f113f3e
MC
270{
271 int i;
272 STACK_OF(X509_LOOKUP) *sk;
273 X509_LOOKUP *lu;
274
275 sk = v->get_cert_methods;
276 for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
277 lu = sk_X509_LOOKUP_value(sk, i);
278 if (m == lu->method) {
279 return lu;
280 }
281 }
282 /* a new one */
283 lu = X509_LOOKUP_new(m);
284 if (lu == NULL)
285 return NULL;
286 else {
287 lu->store_ctx = v;
288 if (sk_X509_LOOKUP_push(v->get_cert_methods, lu))
289 return lu;
290 else {
291 X509_LOOKUP_free(lu);
292 return NULL;
293 }
294 }
295}
d02b48c6 296
f0e0fd51
RS
297X509_OBJECT *X509_STORE_get_X509_by_subject(X509_STORE_CTX *vs, int type,
298 X509_NAME *name)
299{
300 X509_OBJECT *ret;
301
302 ret = OPENSSL_malloc(sizeof (*ret));
303 if (ret == NULL) {
304 X509err(X509_F_X509_STORE_GET_X509_BY_SUBJECT, ERR_R_MALLOC_FAILURE);
305 return NULL;
306 }
307 if (!X509_STORE_get_by_subject(vs, type, name, ret)) {
308 OPENSSL_free(ret);
309 return NULL;
310 }
311 return ret;
312}
313
bca3f06b
RS
314int X509_STORE_get_by_subject(X509_STORE_CTX *vs, X509_LOOKUP_TYPE type,
315 X509_NAME *name, X509_OBJECT *ret)
0f113f3e
MC
316{
317 X509_STORE *ctx = vs->ctx;
318 X509_LOOKUP *lu;
319 X509_OBJECT stmp, *tmp;
320 int i, j;
321
c001ce33 322 CRYPTO_THREAD_write_lock(ctx->lock);
0f113f3e 323 tmp = X509_OBJECT_retrieve_by_subject(ctx->objs, type, name);
c001ce33 324 CRYPTO_THREAD_unlock(ctx->lock);
0f113f3e
MC
325
326 if (tmp == NULL || type == X509_LU_CRL) {
327 for (i = vs->current_method;
328 i < sk_X509_LOOKUP_num(ctx->get_cert_methods); i++) {
329 lu = sk_X509_LOOKUP_value(ctx->get_cert_methods, i);
330 j = X509_LOOKUP_by_subject(lu, type, name, &stmp);
331 if (j < 0) {
332 vs->current_method = j;
333 return j;
334 } else if (j) {
335 tmp = &stmp;
336 break;
337 }
338 }
339 vs->current_method = 0;
340 if (tmp == NULL)
341 return 0;
342 }
343
35a1cc90
MC
344/*- if (ret->data.ptr != NULL)
345 X509_OBJECT_free_contents(ret); */
0f113f3e
MC
346
347 ret->type = tmp->type;
348 ret->data.ptr = tmp->data.ptr;
349
350 X509_OBJECT_up_ref_count(ret);
351
352 return 1;
353}
d02b48c6 354
2f043896 355int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)
0f113f3e
MC
356{
357 X509_OBJECT *obj;
358 int ret = 1;
359
360 if (x == NULL)
361 return 0;
b4faea50 362 obj = OPENSSL_malloc(sizeof(*obj));
0f113f3e
MC
363 if (obj == NULL) {
364 X509err(X509_F_X509_STORE_ADD_CERT, ERR_R_MALLOC_FAILURE);
365 return 0;
366 }
367 obj->type = X509_LU_X509;
368 obj->data.x509 = x;
369
c001ce33 370 CRYPTO_THREAD_write_lock(ctx->lock);
0f113f3e
MC
371
372 X509_OBJECT_up_ref_count(obj);
373
374 if (X509_OBJECT_retrieve_match(ctx->objs, obj)) {
375 X509_OBJECT_free_contents(obj);
376 OPENSSL_free(obj);
377 X509err(X509_F_X509_STORE_ADD_CERT,
378 X509_R_CERT_ALREADY_IN_HASH_TABLE);
379 ret = 0;
380 } else
381 sk_X509_OBJECT_push(ctx->objs, obj);
382
c001ce33 383 CRYPTO_THREAD_unlock(ctx->lock);
0f113f3e
MC
384
385 return ret;
386}
2f043896
DSH
387
388int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x)
0f113f3e
MC
389{
390 X509_OBJECT *obj;
391 int ret = 1;
392
393 if (x == NULL)
394 return 0;
b4faea50 395 obj = OPENSSL_malloc(sizeof(*obj));
0f113f3e
MC
396 if (obj == NULL) {
397 X509err(X509_F_X509_STORE_ADD_CRL, ERR_R_MALLOC_FAILURE);
398 return 0;
399 }
400 obj->type = X509_LU_CRL;
401 obj->data.crl = x;
402
c001ce33 403 CRYPTO_THREAD_write_lock(ctx->lock);
0f113f3e
MC
404
405 X509_OBJECT_up_ref_count(obj);
406
407 if (X509_OBJECT_retrieve_match(ctx->objs, obj)) {
408 X509_OBJECT_free_contents(obj);
409 OPENSSL_free(obj);
410 X509err(X509_F_X509_STORE_ADD_CRL, X509_R_CERT_ALREADY_IN_HASH_TABLE);
411 ret = 0;
412 } else
413 sk_X509_OBJECT_push(ctx->objs, obj);
414
c001ce33 415 CRYPTO_THREAD_unlock(ctx->lock);
0f113f3e
MC
416
417 return ret;
418}
2f043896 419
6b691a5c 420void X509_OBJECT_up_ref_count(X509_OBJECT *a)
0f113f3e
MC
421{
422 switch (a->type) {
bca3f06b
RS
423 default:
424 break;
0f113f3e 425 case X509_LU_X509:
05f0fb9f 426 X509_up_ref(a->data.x509);
0f113f3e
MC
427 break;
428 case X509_LU_CRL:
65cbf983 429 X509_CRL_up_ref(a->data.crl);
0f113f3e
MC
430 break;
431 }
432}
d02b48c6 433
f0e0fd51
RS
434X509 *X509_OBJECT_get0_X509(X509_OBJECT *a)
435{
436 return a->data.x509;
437}
438
f0c58c32
CH
439int X509_OBJECT_get_type(X509_OBJECT *a)
440{
441 return a->type;
442}
443
f0e0fd51
RS
444void X509_OBJECT_free(X509_OBJECT *a)
445{
446 if (a == NULL)
447 return;
448 X509_OBJECT_free_contents(a);
449 OPENSSL_free(a);
450}
451
6b691a5c 452void X509_OBJECT_free_contents(X509_OBJECT *a)
0f113f3e 453{
f0e0fd51 454 if (a == NULL)
222561fe 455 return;
0f113f3e 456 switch (a->type) {
bca3f06b
RS
457 default:
458 break;
0f113f3e
MC
459 case X509_LU_X509:
460 X509_free(a->data.x509);
461 break;
462 case X509_LU_CRL:
463 X509_CRL_free(a->data.crl);
464 break;
465 }
466}
d02b48c6 467
4d50a2b4 468static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, int type,
0f113f3e
MC
469 X509_NAME *name, int *pnmatch)
470{
471 X509_OBJECT stmp;
472 X509 x509_s;
0f113f3e 473 X509_CRL crl_s;
0f113f3e
MC
474 int idx;
475
476 stmp.type = type;
477 switch (type) {
478 case X509_LU_X509:
479 stmp.data.x509 = &x509_s;
5cf6abd8 480 x509_s.cert_info.subject = name;
0f113f3e
MC
481 break;
482 case X509_LU_CRL:
483 stmp.data.crl = &crl_s;
7aef39a7 484 crl_s.crl.issuer = name;
0f113f3e
MC
485 break;
486 default:
487 /* abort(); */
488 return -1;
489 }
490
491 idx = sk_X509_OBJECT_find(h, &stmp);
492 if (idx >= 0 && pnmatch) {
493 int tidx;
494 const X509_OBJECT *tobj, *pstmp;
495 *pnmatch = 1;
496 pstmp = &stmp;
497 for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
498 tobj = sk_X509_OBJECT_value(h, tidx);
499 if (x509_object_cmp(&tobj, &pstmp))
500 break;
501 (*pnmatch)++;
502 }
503 }
504 return idx;
505}
4d50a2b4
DSH
506
507int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
0f113f3e
MC
508 X509_NAME *name)
509{
510 return x509_object_idx_cnt(h, type, name, NULL);
511}
512
513X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,
514 int type, X509_NAME *name)
515{
516 int idx;
517 idx = X509_OBJECT_idx_by_subject(h, type, name);
518 if (idx == -1)
519 return NULL;
520 return sk_X509_OBJECT_value(h, idx);
521}
11262391 522
f0c58c32
CH
523STACK_OF(X509_OBJECT) *X509_STORE_get0_objects(X509_STORE *v)
524{
525 return v->objs;
526}
527
c5957688 528STACK_OF(X509) *X509_STORE_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm)
0f113f3e
MC
529{
530 int i, idx, cnt;
531 STACK_OF(X509) *sk;
532 X509 *x;
533 X509_OBJECT *obj;
534 sk = sk_X509_new_null();
c001ce33 535 CRYPTO_THREAD_write_lock(ctx->ctx->lock);
0f113f3e
MC
536 idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
537 if (idx < 0) {
538 /*
539 * Nothing found in cache: do lookup to possibly add new objects to
540 * cache
541 */
542 X509_OBJECT xobj;
c001ce33 543 CRYPTO_THREAD_unlock(ctx->ctx->lock);
0f113f3e
MC
544 if (!X509_STORE_get_by_subject(ctx, X509_LU_X509, nm, &xobj)) {
545 sk_X509_free(sk);
546 return NULL;
547 }
548 X509_OBJECT_free_contents(&xobj);
c001ce33 549 CRYPTO_THREAD_write_lock(ctx->ctx->lock);
0f113f3e
MC
550 idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
551 if (idx < 0) {
c001ce33 552 CRYPTO_THREAD_unlock(ctx->ctx->lock);
0f113f3e
MC
553 sk_X509_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.x509;
05f0fb9f 560 X509_up_ref(x);
0f113f3e 561 if (!sk_X509_push(sk, x)) {
c001ce33 562 CRYPTO_THREAD_unlock(ctx->ctx->lock);
0f113f3e
MC
563 X509_free(x);
564 sk_X509_pop_free(sk, X509_free);
565 return NULL;
566 }
567 }
c001ce33 568 CRYPTO_THREAD_unlock(ctx->ctx->lock);
0f113f3e
MC
569 return sk;
570
571}
4d50a2b4 572
c5957688 573STACK_OF(X509_CRL) *X509_STORE_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm)
0f113f3e
MC
574{
575 int i, idx, cnt;
576 STACK_OF(X509_CRL) *sk;
577 X509_CRL *x;
578 X509_OBJECT *obj, xobj;
579 sk = sk_X509_CRL_new_null();
0f113f3e
MC
580
581 /*
582 * Always do lookup to possibly add new CRLs to cache
583 */
0f113f3e
MC
584 if (!X509_STORE_get_by_subject(ctx, X509_LU_CRL, nm, &xobj)) {
585 sk_X509_CRL_free(sk);
586 return NULL;
587 }
588 X509_OBJECT_free_contents(&xobj);
c001ce33 589 CRYPTO_THREAD_write_lock(ctx->ctx->lock);
0f113f3e
MC
590 idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt);
591 if (idx < 0) {
c001ce33 592 CRYPTO_THREAD_unlock(ctx->ctx->lock);
0f113f3e
MC
593 sk_X509_CRL_free(sk);
594 return NULL;
595 }
596
597 for (i = 0; i < cnt; i++, idx++) {
598 obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
599 x = obj->data.crl;
65cbf983 600 X509_CRL_up_ref(x);
0f113f3e 601 if (!sk_X509_CRL_push(sk, x)) {
c001ce33 602 CRYPTO_THREAD_unlock(ctx->ctx->lock);
0f113f3e
MC
603 X509_CRL_free(x);
604 sk_X509_CRL_pop_free(sk, X509_CRL_free);
605 return NULL;
606 }
607 }
c001ce33 608 CRYPTO_THREAD_unlock(ctx->ctx->lock);
0f113f3e
MC
609 return sk;
610}
611
612X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
613 X509_OBJECT *x)
614{
615 int idx, i;
616 X509_OBJECT *obj;
617 idx = sk_X509_OBJECT_find(h, x);
618 if (idx == -1)
619 return NULL;
620 if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL))
621 return sk_X509_OBJECT_value(h, idx);
622 for (i = idx; i < sk_X509_OBJECT_num(h); i++) {
623 obj = sk_X509_OBJECT_value(h, i);
624 if (x509_object_cmp
625 ((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x))
626 return NULL;
627 if (x->type == X509_LU_X509) {
628 if (!X509_cmp(obj->data.x509, x->data.x509))
629 return obj;
630 } else if (x->type == X509_LU_CRL) {
631 if (!X509_CRL_match(obj->data.crl, x->data.crl))
632 return obj;
633 } else
634 return obj;
635 }
636 return NULL;
637}
d02b48c6 638
1d97c843
TH
639/*-
640 * Try to get issuer certificate from store. Due to limitations
2f043896
DSH
641 * of the API this can only retrieve a single certificate matching
642 * a given subject name. However it will fill the cache with all
a8397553 643 * matching certificates, so we can examine the cache for all
2f043896
DSH
644 * matches.
645 *
646 * Return values are:
647 * 1 lookup successful.
648 * 0 certificate not found.
649 * -1 some other error.
650 */
2f043896 651int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
0f113f3e
MC
652{
653 X509_NAME *xn;
654 X509_OBJECT obj, *pobj;
655 int i, ok, idx, ret;
f0e0fd51 656
0f113f3e
MC
657 *issuer = NULL;
658 xn = X509_get_issuer_name(x);
659 ok = X509_STORE_get_by_subject(ctx, X509_LU_X509, xn, &obj);
660 if (ok != X509_LU_X509) {
661 if (ok == X509_LU_RETRY) {
662 X509_OBJECT_free_contents(&obj);
663 X509err(X509_F_X509_STORE_CTX_GET1_ISSUER, X509_R_SHOULD_RETRY);
664 return -1;
665 } else if (ok != X509_LU_FAIL) {
666 X509_OBJECT_free_contents(&obj);
667 /* not good :-(, break anyway */
668 return -1;
669 }
670 return 0;
671 }
672 /* If certificate matches all OK */
673 if (ctx->check_issued(ctx, x, obj.data.x509)) {
70dd3c65 674 if (x509_check_cert_time(ctx, obj.data.x509, -1)) {
0f113f3e
MC
675 *issuer = obj.data.x509;
676 return 1;
677 }
678 }
679 X509_OBJECT_free_contents(&obj);
680
681 /* Else find index of first cert accepted by 'check_issued' */
682 ret = 0;
c001ce33 683 CRYPTO_THREAD_write_lock(ctx->ctx->lock);
0f113f3e
MC
684 idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
685 if (idx != -1) { /* should be true as we've had at least one
686 * match */
687 /* Look through all matching certs for suitable issuer */
688 for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) {
689 pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
690 /* See if we've run past the matches */
691 if (pobj->type != X509_LU_X509)
692 break;
693 if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509)))
694 break;
695 if (ctx->check_issued(ctx, x, pobj->data.x509)) {
696 *issuer = pobj->data.x509;
697 ret = 1;
698 /*
699 * If times check, exit with match,
700 * otherwise keep looking. Leave last
701 * match in issuer so we return nearest
702 * match if no certificate time is OK.
703 */
704
70dd3c65 705 if (x509_check_cert_time(ctx, *issuer, -1))
0f113f3e
MC
706 break;
707 }
708 }
709 }
c001ce33 710 CRYPTO_THREAD_unlock(ctx->ctx->lock);
0f113f3e 711 if (*issuer)
05f0fb9f 712 X509_up_ref(*issuer);
0f113f3e
MC
713 return ret;
714}
d02b48c6 715
5d7c222d 716int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags)
0f113f3e
MC
717{
718 return X509_VERIFY_PARAM_set_flags(ctx->param, flags);
719}
5d7c222d
DSH
720
721int X509_STORE_set_depth(X509_STORE *ctx, int depth)
0f113f3e
MC
722{
723 X509_VERIFY_PARAM_set_depth(ctx->param, depth);
724 return 1;
725}
bdee69f7 726
926a56bf 727int X509_STORE_set_purpose(X509_STORE *ctx, int purpose)
0f113f3e
MC
728{
729 return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose);
730}
926a56bf
DSH
731
732int X509_STORE_set_trust(X509_STORE *ctx, int trust)
0f113f3e
MC
733{
734 return X509_VERIFY_PARAM_set_trust(ctx->param, trust);
735}
5d7c222d
DSH
736
737int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param)
0f113f3e
MC
738{
739 return X509_VERIFY_PARAM_set1(ctx->param, param);
740}
926a56bf 741
f0c58c32
CH
742X509_VERIFY_PARAM *X509_STORE_get0_param(X509_STORE *ctx)
743{
744 return ctx->param;
745}
746
a5b37fca 747void X509_STORE_set_verify_cb(X509_STORE *ctx,
0f113f3e
MC
748 int (*verify_cb) (int, X509_STORE_CTX *))
749{
750 ctx->verify_cb = verify_cb;
751}
a5b37fca 752
2c340864 753void X509_STORE_set_lookup_crls_cb(X509_STORE *ctx,
0f113f3e
MC
754 STACK_OF(X509_CRL) *(*cb) (X509_STORE_CTX
755 *ctx,
756 X509_NAME *nm))
757{
758 ctx->lookup_crls = cb;
759}
2c340864 760
3aec886e
KY
761int X509_STORE_set_ex_data(X509_STORE *ctx, int idx, void *data)
762{
763 return CRYPTO_set_ex_data(&ctx->ex_data, idx, data);
764}
765
766void *X509_STORE_get_ex_data(X509_STORE *ctx, int idx)
767{
768 return CRYPTO_get_ex_data(&ctx->ex_data, idx);
769}
770
2c340864 771X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx)
0f113f3e
MC
772{
773 return ctx->ctx;
774}