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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) 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)) | |
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) 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 * con
st *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_me
thods); 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_T
ABLE); | |
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_TA
BLE); | |
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_OBJE
CT **)&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.x
509))) | |
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) | |
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