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 | |