Line data Source code
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 0 : X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method)
66 : {
67 : X509_LOOKUP *ret;
68 :
69 0 : ret = (X509_LOOKUP *)OPENSSL_malloc(sizeof(X509_LOOKUP));
70 0 : if (ret == NULL)
71 : return NULL;
72 :
73 0 : ret->init = 0;
74 0 : ret->skip = 0;
75 0 : ret->method = method;
76 0 : ret->method_data = NULL;
77 0 : ret->store_ctx = NULL;
78 0 : if ((method->new_item != NULL) && !method->new_item(ret)) {
79 0 : OPENSSL_free(ret);
80 0 : return NULL;
81 : }
82 0 : return ret;
83 : }
84 :
85 0 : void X509_LOOKUP_free(X509_LOOKUP *ctx)
86 : {
87 0 : if (ctx == NULL)
88 0 : return;
89 0 : if ((ctx->method != NULL) && (ctx->method->free != NULL))
90 0 : (*ctx->method->free) (ctx);
91 0 : OPENSSL_free(ctx);
92 : }
93 :
94 0 : int X509_LOOKUP_init(X509_LOOKUP *ctx)
95 : {
96 0 : if (ctx->method == NULL)
97 : return 0;
98 0 : if (ctx->method->init != NULL)
99 0 : return ctx->method->init(ctx);
100 : else
101 : return 1;
102 : }
103 :
104 0 : int X509_LOOKUP_shutdown(X509_LOOKUP *ctx)
105 : {
106 0 : if (ctx->method == NULL)
107 : return 0;
108 0 : if (ctx->method->shutdown != NULL)
109 0 : return ctx->method->shutdown(ctx);
110 : else
111 : return 1;
112 : }
113 :
114 0 : int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
115 : char **ret)
116 : {
117 0 : if (ctx->method == NULL)
118 : return -1;
119 0 : if (ctx->method->ctrl != NULL)
120 0 : return ctx->method->ctrl(ctx, cmd, argc, argl, ret);
121 : else
122 : return 1;
123 : }
124 :
125 0 : int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
126 : X509_OBJECT *ret)
127 : {
128 0 : if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL))
129 : return X509_LU_FAIL;
130 0 : if (ctx->skip)
131 : return 0;
132 0 : return ctx->method->get_by_subject(ctx, type, name, ret);
133 : }
134 :
135 0 : int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
136 : ASN1_INTEGER *serial, X509_OBJECT *ret)
137 : {
138 0 : if ((ctx->method == NULL) || (ctx->method->get_by_issuer_serial == NULL))
139 : return X509_LU_FAIL;
140 0 : return ctx->method->get_by_issuer_serial(ctx, type, name, serial, ret);
141 : }
142 :
143 0 : int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
144 : unsigned char *bytes, int len,
145 : X509_OBJECT *ret)
146 : {
147 0 : if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL))
148 : return X509_LU_FAIL;
149 0 : return ctx->method->get_by_fingerprint(ctx, type, bytes, len, ret);
150 : }
151 :
152 0 : int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len,
153 : X509_OBJECT *ret)
154 : {
155 0 : if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL))
156 : return X509_LU_FAIL;
157 0 : return ctx->method->get_by_alias(ctx, type, str, len, ret);
158 : }
159 :
160 370 : static int x509_object_cmp(const X509_OBJECT *const *a,
161 : const X509_OBJECT *const *b)
162 : {
163 : int ret;
164 :
165 370 : ret = ((*a)->type - (*b)->type);
166 370 : if (ret)
167 : return ret;
168 370 : switch ((*a)->type) {
169 : case X509_LU_X509:
170 370 : ret = X509_subject_name_cmp((*a)->data.x509, (*b)->data.x509);
171 370 : break;
172 : case X509_LU_CRL:
173 0 : ret = X509_CRL_cmp((*a)->data.crl, (*b)->data.crl);
174 0 : break;
175 : default:
176 : /* abort(); */
177 : return 0;
178 : }
179 370 : return ret;
180 : }
181 :
182 872 : X509_STORE *X509_STORE_new(void)
183 : {
184 : X509_STORE *ret;
185 :
186 872 : if ((ret = (X509_STORE *)OPENSSL_malloc(sizeof(X509_STORE))) == NULL)
187 : return NULL;
188 872 : ret->objs = sk_X509_OBJECT_new(x509_object_cmp);
189 872 : ret->cache = 1;
190 872 : ret->get_cert_methods = sk_X509_LOOKUP_new_null();
191 872 : ret->verify = 0;
192 872 : ret->verify_cb = 0;
193 :
194 872 : if ((ret->param = X509_VERIFY_PARAM_new()) == NULL)
195 : return NULL;
196 :
197 872 : ret->get_issuer = 0;
198 872 : ret->check_issued = 0;
199 872 : ret->check_revocation = 0;
200 872 : ret->get_crl = 0;
201 872 : ret->check_crl = 0;
202 872 : ret->cert_crl = 0;
203 872 : ret->lookup_certs = 0;
204 872 : ret->lookup_crls = 0;
205 872 : ret->cleanup = 0;
206 :
207 872 : if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data)) {
208 0 : sk_X509_OBJECT_free(ret->objs);
209 0 : OPENSSL_free(ret);
210 0 : return NULL;
211 : }
212 :
213 872 : ret->references = 1;
214 872 : return ret;
215 : }
216 :
217 434 : static void cleanup(X509_OBJECT *a)
218 : {
219 434 : if (!a)
220 434 : return;
221 434 : if (a->type == X509_LU_X509) {
222 434 : X509_free(a->data.x509);
223 0 : } else if (a->type == X509_LU_CRL) {
224 0 : X509_CRL_free(a->data.crl);
225 : } else {
226 : /* abort(); */
227 : }
228 :
229 434 : OPENSSL_free(a);
230 : }
231 :
232 872 : void X509_STORE_free(X509_STORE *vfy)
233 : {
234 : int i;
235 : STACK_OF(X509_LOOKUP) *sk;
236 : X509_LOOKUP *lu;
237 :
238 872 : if (vfy == NULL)
239 : return;
240 :
241 872 : i = CRYPTO_add(&vfy->references, -1, CRYPTO_LOCK_X509_STORE);
242 : #ifdef REF_PRINT
243 : REF_PRINT("X509_STORE", vfy);
244 : #endif
245 872 : if (i > 0)
246 : return;
247 : #ifdef REF_CHECK
248 : if (i < 0) {
249 : fprintf(stderr, "X509_STORE_free, bad reference count\n");
250 : abort(); /* ok */
251 : }
252 : #endif
253 :
254 872 : sk = vfy->get_cert_methods;
255 872 : for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
256 0 : lu = sk_X509_LOOKUP_value(sk, i);
257 : X509_LOOKUP_shutdown(lu);
258 0 : X509_LOOKUP_free(lu);
259 : }
260 872 : sk_X509_LOOKUP_free(sk);
261 872 : sk_X509_OBJECT_pop_free(vfy->objs, cleanup);
262 :
263 872 : CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data);
264 872 : if (vfy->param)
265 872 : X509_VERIFY_PARAM_free(vfy->param);
266 872 : OPENSSL_free(vfy);
267 : }
268 :
269 0 : X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m)
270 : {
271 : int i;
272 : STACK_OF(X509_LOOKUP) *sk;
273 : X509_LOOKUP *lu;
274 :
275 0 : sk = v->get_cert_methods;
276 0 : for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
277 0 : lu = sk_X509_LOOKUP_value(sk, i);
278 0 : if (m == lu->method) {
279 : return lu;
280 : }
281 : }
282 : /* a new one */
283 0 : lu = X509_LOOKUP_new(m);
284 0 : if (lu == NULL)
285 : return NULL;
286 : else {
287 0 : lu->store_ctx = v;
288 0 : if (sk_X509_LOOKUP_push(v->get_cert_methods, lu))
289 : return lu;
290 : else {
291 0 : X509_LOOKUP_free(lu);
292 0 : return NULL;
293 : }
294 : }
295 : }
296 :
297 743 : int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name,
298 : X509_OBJECT *ret)
299 : {
300 743 : X509_STORE *ctx = vs->ctx;
301 : X509_LOOKUP *lu;
302 : X509_OBJECT stmp, *tmp;
303 : int i, j;
304 :
305 743 : CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
306 743 : tmp = X509_OBJECT_retrieve_by_subject(ctx->objs, type, name);
307 743 : CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
308 :
309 743 : if (tmp == NULL || type == X509_LU_CRL) {
310 746 : for (i = vs->current_method;
311 0 : i < sk_X509_LOOKUP_num(ctx->get_cert_methods); i++) {
312 0 : lu = sk_X509_LOOKUP_value(ctx->get_cert_methods, i);
313 : j = X509_LOOKUP_by_subject(lu, type, name, &stmp);
314 0 : if (j < 0) {
315 0 : vs->current_method = j;
316 0 : return j;
317 0 : } else if (j) {
318 : tmp = &stmp;
319 : break;
320 : }
321 : }
322 373 : vs->current_method = 0;
323 373 : if (tmp == NULL)
324 : return 0;
325 : }
326 :
327 : /*- if (ret->data.ptr != NULL)
328 : X509_OBJECT_free_contents(ret); */
329 :
330 370 : ret->type = tmp->type;
331 370 : ret->data.ptr = tmp->data.ptr;
332 :
333 370 : X509_OBJECT_up_ref_count(ret);
334 :
335 370 : return 1;
336 : }
337 :
338 434 : int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)
339 : {
340 : X509_OBJECT *obj;
341 : int ret = 1;
342 :
343 434 : if (x == NULL)
344 : return 0;
345 434 : obj = (X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT));
346 434 : if (obj == NULL) {
347 0 : X509err(X509_F_X509_STORE_ADD_CERT, ERR_R_MALLOC_FAILURE);
348 0 : return 0;
349 : }
350 434 : obj->type = X509_LU_X509;
351 434 : obj->data.x509 = x;
352 :
353 434 : CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
354 :
355 434 : X509_OBJECT_up_ref_count(obj);
356 :
357 434 : if (X509_OBJECT_retrieve_match(ctx->objs, obj)) {
358 0 : X509_OBJECT_free_contents(obj);
359 0 : OPENSSL_free(obj);
360 0 : X509err(X509_F_X509_STORE_ADD_CERT,
361 : X509_R_CERT_ALREADY_IN_HASH_TABLE);
362 : ret = 0;
363 : } else
364 434 : sk_X509_OBJECT_push(ctx->objs, obj);
365 :
366 434 : CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
367 :
368 434 : return ret;
369 : }
370 :
371 0 : int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x)
372 : {
373 : X509_OBJECT *obj;
374 : int ret = 1;
375 :
376 0 : if (x == NULL)
377 : return 0;
378 0 : obj = (X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT));
379 0 : if (obj == NULL) {
380 0 : X509err(X509_F_X509_STORE_ADD_CRL, ERR_R_MALLOC_FAILURE);
381 0 : return 0;
382 : }
383 0 : obj->type = X509_LU_CRL;
384 0 : obj->data.crl = x;
385 :
386 0 : CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
387 :
388 0 : X509_OBJECT_up_ref_count(obj);
389 :
390 0 : if (X509_OBJECT_retrieve_match(ctx->objs, obj)) {
391 0 : X509_OBJECT_free_contents(obj);
392 0 : OPENSSL_free(obj);
393 0 : X509err(X509_F_X509_STORE_ADD_CRL, X509_R_CERT_ALREADY_IN_HASH_TABLE);
394 : ret = 0;
395 : } else
396 0 : sk_X509_OBJECT_push(ctx->objs, obj);
397 :
398 0 : CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
399 :
400 0 : return ret;
401 : }
402 :
403 804 : void X509_OBJECT_up_ref_count(X509_OBJECT *a)
404 : {
405 804 : switch (a->type) {
406 : case X509_LU_X509:
407 804 : CRYPTO_add(&a->data.x509->references, 1, CRYPTO_LOCK_X509);
408 804 : break;
409 : case X509_LU_CRL:
410 0 : CRYPTO_add(&a->data.crl->references, 1, CRYPTO_LOCK_X509_CRL);
411 0 : break;
412 : }
413 804 : }
414 :
415 0 : void X509_OBJECT_free_contents(X509_OBJECT *a)
416 : {
417 0 : switch (a->type) {
418 : case X509_LU_X509:
419 0 : X509_free(a->data.x509);
420 0 : break;
421 : case X509_LU_CRL:
422 0 : X509_CRL_free(a->data.crl);
423 0 : break;
424 : }
425 0 : }
426 :
427 743 : static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, int type,
428 : X509_NAME *name, int *pnmatch)
429 : {
430 : X509_OBJECT stmp;
431 : X509 x509_s;
432 : X509_CINF cinf_s;
433 : X509_CRL crl_s;
434 : X509_CRL_INFO crl_info_s;
435 : int idx;
436 :
437 743 : stmp.type = type;
438 743 : switch (type) {
439 : case X509_LU_X509:
440 743 : stmp.data.x509 = &x509_s;
441 743 : x509_s.cert_info = &cinf_s;
442 743 : cinf_s.subject = name;
443 743 : break;
444 : case X509_LU_CRL:
445 0 : stmp.data.crl = &crl_s;
446 0 : crl_s.crl = &crl_info_s;
447 0 : crl_info_s.issuer = name;
448 0 : break;
449 : default:
450 : /* abort(); */
451 : return -1;
452 : }
453 :
454 743 : idx = sk_X509_OBJECT_find(h, &stmp);
455 743 : if (idx >= 0 && pnmatch) {
456 : int tidx;
457 : const X509_OBJECT *tobj, *pstmp;
458 0 : *pnmatch = 1;
459 0 : pstmp = &stmp;
460 0 : for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
461 0 : tobj = sk_X509_OBJECT_value(h, tidx);
462 0 : if (x509_object_cmp(&tobj, &pstmp))
463 : break;
464 0 : (*pnmatch)++;
465 : }
466 : }
467 743 : return idx;
468 : }
469 :
470 0 : int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
471 : X509_NAME *name)
472 : {
473 743 : return x509_object_idx_cnt(h, type, name, NULL);
474 : }
475 :
476 743 : X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,
477 : int type, X509_NAME *name)
478 : {
479 : int idx;
480 : idx = X509_OBJECT_idx_by_subject(h, type, name);
481 743 : if (idx == -1)
482 : return NULL;
483 370 : return sk_X509_OBJECT_value(h, idx);
484 : }
485 :
486 0 : STACK_OF(X509) *X509_STORE_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm)
487 : {
488 : int i, idx, cnt;
489 : STACK_OF(X509) *sk;
490 : X509 *x;
491 : X509_OBJECT *obj;
492 0 : sk = sk_X509_new_null();
493 0 : CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
494 0 : idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
495 0 : if (idx < 0) {
496 : /*
497 : * Nothing found in cache: do lookup to possibly add new objects to
498 : * cache
499 : */
500 : X509_OBJECT xobj;
501 0 : CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
502 0 : if (!X509_STORE_get_by_subject(ctx, X509_LU_X509, nm, &xobj)) {
503 0 : sk_X509_free(sk);
504 0 : return NULL;
505 : }
506 0 : X509_OBJECT_free_contents(&xobj);
507 0 : CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
508 0 : idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
509 0 : if (idx < 0) {
510 0 : CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
511 0 : sk_X509_free(sk);
512 0 : return NULL;
513 : }
514 : }
515 0 : for (i = 0; i < cnt; i++, idx++) {
516 0 : obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
517 0 : x = obj->data.x509;
518 0 : CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
519 0 : if (!sk_X509_push(sk, x)) {
520 0 : CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
521 0 : X509_free(x);
522 0 : sk_X509_pop_free(sk, X509_free);
523 0 : return NULL;
524 : }
525 : }
526 0 : CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
527 0 : return sk;
528 :
529 : }
530 :
531 0 : STACK_OF(X509_CRL) *X509_STORE_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm)
532 : {
533 : int i, idx, cnt;
534 : STACK_OF(X509_CRL) *sk;
535 : X509_CRL *x;
536 : X509_OBJECT *obj, xobj;
537 0 : sk = sk_X509_CRL_new_null();
538 0 : CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
539 : /* Check cache first */
540 0 : idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt);
541 :
542 : /*
543 : * Always do lookup to possibly add new CRLs to cache
544 : */
545 0 : CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
546 0 : if (!X509_STORE_get_by_subject(ctx, X509_LU_CRL, nm, &xobj)) {
547 0 : sk_X509_CRL_free(sk);
548 0 : return NULL;
549 : }
550 0 : X509_OBJECT_free_contents(&xobj);
551 0 : CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
552 0 : idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt);
553 0 : if (idx < 0) {
554 0 : CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
555 0 : sk_X509_CRL_free(sk);
556 0 : return NULL;
557 : }
558 :
559 0 : for (i = 0; i < cnt; i++, idx++) {
560 0 : obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
561 0 : x = obj->data.crl;
562 0 : CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509_CRL);
563 0 : if (!sk_X509_CRL_push(sk, x)) {
564 0 : CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
565 0 : X509_CRL_free(x);
566 0 : sk_X509_CRL_pop_free(sk, X509_CRL_free);
567 0 : return NULL;
568 : }
569 : }
570 0 : CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
571 0 : return sk;
572 : }
573 :
574 434 : X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
575 : X509_OBJECT *x)
576 : {
577 : int idx, i;
578 : X509_OBJECT *obj;
579 434 : idx = sk_X509_OBJECT_find(h, x);
580 434 : if (idx == -1)
581 : return NULL;
582 0 : if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL))
583 0 : return sk_X509_OBJECT_value(h, idx);
584 0 : for (i = idx; i < sk_X509_OBJECT_num(h); i++) {
585 0 : obj = sk_X509_OBJECT_value(h, i);
586 0 : if (x509_object_cmp
587 0 : ((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x))
588 : return NULL;
589 0 : if (x->type == X509_LU_X509) {
590 0 : if (!X509_cmp(obj->data.x509, x->data.x509))
591 0 : return obj;
592 0 : } else if (x->type == X509_LU_CRL) {
593 0 : if (!X509_CRL_match(obj->data.crl, x->data.crl))
594 0 : return obj;
595 : } else
596 0 : return obj;
597 : }
598 : return NULL;
599 : }
600 :
601 : /*-
602 : * Try to get issuer certificate from store. Due to limitations
603 : * of the API this can only retrieve a single certificate matching
604 : * a given subject name. However it will fill the cache with all
605 : * matching certificates, so we can examine the cache for all
606 : * matches.
607 : *
608 : * Return values are:
609 : * 1 lookup successful.
610 : * 0 certificate not found.
611 : * -1 some other error.
612 : */
613 743 : int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
614 : {
615 : X509_NAME *xn;
616 : X509_OBJECT obj, *pobj;
617 : int i, ok, idx, ret;
618 743 : xn = X509_get_issuer_name(x);
619 743 : ok = X509_STORE_get_by_subject(ctx, X509_LU_X509, xn, &obj);
620 743 : if (ok != X509_LU_X509) {
621 373 : if (ok == X509_LU_RETRY) {
622 0 : X509_OBJECT_free_contents(&obj);
623 0 : X509err(X509_F_X509_STORE_CTX_GET1_ISSUER, X509_R_SHOULD_RETRY);
624 0 : return -1;
625 373 : } else if (ok != X509_LU_FAIL) {
626 0 : X509_OBJECT_free_contents(&obj);
627 : /* not good :-(, break anyway */
628 0 : return -1;
629 : }
630 : return 0;
631 : }
632 : /* If certificate matches all OK */
633 370 : if (ctx->check_issued(ctx, x, obj.data.x509)) {
634 370 : *issuer = obj.data.x509;
635 370 : return 1;
636 : }
637 0 : X509_OBJECT_free_contents(&obj);
638 :
639 : /* Else find index of first cert accepted by 'check_issued' */
640 : ret = 0;
641 0 : CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
642 0 : idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
643 0 : if (idx != -1) { /* should be true as we've had at least one
644 : * match */
645 : /* Look through all matching certs for suitable issuer */
646 0 : for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) {
647 0 : pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
648 : /* See if we've run past the matches */
649 0 : if (pobj->type != X509_LU_X509)
650 : break;
651 0 : if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509)))
652 : break;
653 0 : if (ctx->check_issued(ctx, x, pobj->data.x509)) {
654 0 : *issuer = pobj->data.x509;
655 0 : X509_OBJECT_up_ref_count(pobj);
656 : ret = 1;
657 0 : break;
658 : }
659 : }
660 : }
661 0 : CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
662 0 : return ret;
663 : }
664 :
665 0 : int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags)
666 : {
667 0 : return X509_VERIFY_PARAM_set_flags(ctx->param, flags);
668 : }
669 :
670 0 : int X509_STORE_set_depth(X509_STORE *ctx, int depth)
671 : {
672 0 : X509_VERIFY_PARAM_set_depth(ctx->param, depth);
673 0 : return 1;
674 : }
675 :
676 0 : int X509_STORE_set_purpose(X509_STORE *ctx, int purpose)
677 : {
678 0 : return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose);
679 : }
680 :
681 0 : int X509_STORE_set_trust(X509_STORE *ctx, int trust)
682 : {
683 0 : return X509_VERIFY_PARAM_set_trust(ctx->param, trust);
684 : }
685 :
686 0 : int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param)
687 : {
688 0 : return X509_VERIFY_PARAM_set1(ctx->param, param);
689 : }
690 :
691 0 : void X509_STORE_set_verify_cb(X509_STORE *ctx,
692 : int (*verify_cb) (int, X509_STORE_CTX *))
693 : {
694 0 : ctx->verify_cb = verify_cb;
695 0 : }
696 :
697 0 : void X509_STORE_set_lookup_crls_cb(X509_STORE *ctx,
698 : STACK_OF(X509_CRL) *(*cb) (X509_STORE_CTX
699 : *ctx,
700 : X509_NAME *nm))
701 : {
702 0 : ctx->lookup_crls = cb;
703 0 : }
704 :
705 0 : X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx)
706 : {
707 0 : return ctx->ctx;
708 : }
709 :
710 : IMPLEMENT_STACK_OF(X509_LOOKUP)
711 :
712 : IMPLEMENT_STACK_OF(X509_OBJECT)
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