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d02b48c6 | 1 | /* crypto/x509/x509_lu.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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" | |
ec577822 BM |
61 | #include <openssl/lhash.h> |
62 | #include <openssl/x509.h> | |
926a56bf | 63 | #include <openssl/x509v3.h> |
d02b48c6 | 64 | |
6b691a5c | 65 | X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method) |
d02b48c6 RE |
66 | { |
67 | X509_LOOKUP *ret; | |
68 | ||
26a3a48d | 69 | ret=(X509_LOOKUP *)OPENSSL_malloc(sizeof(X509_LOOKUP)); |
f684090c | 70 | if (ret == NULL) return NULL; |
d02b48c6 RE |
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 | { | |
26a3a48d | 79 | OPENSSL_free(ret); |
f684090c | 80 | return NULL; |
d02b48c6 | 81 | } |
f684090c | 82 | return ret; |
d02b48c6 RE |
83 | } |
84 | ||
6b691a5c | 85 | void X509_LOOKUP_free(X509_LOOKUP *ctx) |
d02b48c6 RE |
86 | { |
87 | if (ctx == NULL) return; | |
88 | if ( (ctx->method != NULL) && | |
89 | (ctx->method->free != NULL)) | |
90 | ctx->method->free(ctx); | |
26a3a48d | 91 | OPENSSL_free(ctx); |
d02b48c6 RE |
92 | } |
93 | ||
6b691a5c | 94 | int X509_LOOKUP_init(X509_LOOKUP *ctx) |
d02b48c6 | 95 | { |
15387be2 | 96 | if (ctx->method == NULL) return 0; |
d02b48c6 | 97 | if (ctx->method->init != NULL) |
f684090c | 98 | return ctx->method->init(ctx); |
d02b48c6 | 99 | else |
f684090c | 100 | return 1; |
d02b48c6 RE |
101 | } |
102 | ||
6b691a5c | 103 | int X509_LOOKUP_shutdown(X509_LOOKUP *ctx) |
d02b48c6 | 104 | { |
f684090c | 105 | if (ctx->method == NULL) return 0; |
dfeab068 | 106 | if (ctx->method->shutdown != NULL) |
f684090c | 107 | return ctx->method->shutdown(ctx); |
d02b48c6 | 108 | else |
f684090c | 109 | return 1; |
d02b48c6 RE |
110 | } |
111 | ||
303c0028 | 112 | int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl, |
6b691a5c | 113 | char **ret) |
d02b48c6 | 114 | { |
f684090c | 115 | if (ctx->method == NULL) return -1; |
d02b48c6 | 116 | if (ctx->method->ctrl != NULL) |
f684090c | 117 | return ctx->method->ctrl(ctx,cmd,argc,argl,ret); |
d02b48c6 | 118 | else |
f684090c | 119 | return 1; |
d02b48c6 RE |
120 | } |
121 | ||
6b691a5c UM |
122 | int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name, |
123 | X509_OBJECT *ret) | |
d02b48c6 RE |
124 | { |
125 | if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL)) | |
f684090c BM |
126 | return X509_LU_FAIL; |
127 | if (ctx->skip) return 0; | |
128 | return ctx->method->get_by_subject(ctx,type,name,ret); | |
d02b48c6 RE |
129 | } |
130 | ||
6b691a5c UM |
131 | int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name, |
132 | ASN1_INTEGER *serial, X509_OBJECT *ret) | |
d02b48c6 RE |
133 | { |
134 | if ((ctx->method == NULL) || | |
135 | (ctx->method->get_by_issuer_serial == NULL)) | |
f684090c BM |
136 | return X509_LU_FAIL; |
137 | return ctx->method->get_by_issuer_serial(ctx,type,name,serial,ret); | |
d02b48c6 RE |
138 | } |
139 | ||
6b691a5c UM |
140 | int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type, |
141 | unsigned char *bytes, int len, X509_OBJECT *ret) | |
d02b48c6 RE |
142 | { |
143 | if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL)) | |
f684090c BM |
144 | return X509_LU_FAIL; |
145 | return ctx->method->get_by_fingerprint(ctx,type,bytes,len,ret); | |
d02b48c6 RE |
146 | } |
147 | ||
6b691a5c UM |
148 | int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len, |
149 | X509_OBJECT *ret) | |
d02b48c6 | 150 | { |
58964a49 | 151 | if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL)) |
f684090c BM |
152 | return X509_LU_FAIL; |
153 | return ctx->method->get_by_alias(ctx,type,str,len,ret); | |
d02b48c6 RE |
154 | } |
155 | ||
2f043896 DSH |
156 | |
157 | static int x509_object_cmp(const X509_OBJECT * const *a, const X509_OBJECT * const *b) | |
158 | { | |
159 | int ret; | |
160 | ||
161 | ret=((*a)->type - (*b)->type); | |
f684090c | 162 | if (ret) return ret; |
2f043896 DSH |
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; | |
d02b48c6 | 171 | default: |
bbb8de09 BM |
172 | /* abort(); */ |
173 | return 0; | |
d02b48c6 | 174 | } |
f684090c | 175 | return ret; |
d02b48c6 RE |
176 | } |
177 | ||
6b691a5c | 178 | X509_STORE *X509_STORE_new(void) |
d02b48c6 RE |
179 | { |
180 | X509_STORE *ret; | |
181 | ||
26a3a48d | 182 | if ((ret=(X509_STORE *)OPENSSL_malloc(sizeof(X509_STORE))) == NULL) |
f684090c | 183 | return NULL; |
2f043896 | 184 | ret->objs = sk_X509_OBJECT_new(x509_object_cmp); |
d02b48c6 | 185 | ret->cache=1; |
5c0a4865 | 186 | ret->get_cert_methods=sk_X509_LOOKUP_new_null(); |
bdee69f7 DSH |
187 | ret->verify=0; |
188 | ret->verify_cb=0; | |
189 | ||
5d7c222d DSH |
190 | if ((ret->param = X509_VERIFY_PARAM_new()) == NULL) |
191 | return NULL; | |
bdee69f7 DSH |
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->cleanup = 0; | |
200 | ||
79aa04ef | 201 | CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data); |
d02b48c6 | 202 | ret->references=1; |
f684090c | 203 | return ret; |
d02b48c6 RE |
204 | } |
205 | ||
6b691a5c | 206 | static void cleanup(X509_OBJECT *a) |
d02b48c6 RE |
207 | { |
208 | if (a->type == X509_LU_X509) | |
209 | { | |
210 | X509_free(a->data.x509); | |
211 | } | |
212 | else if (a->type == X509_LU_CRL) | |
213 | { | |
214 | X509_CRL_free(a->data.crl); | |
215 | } | |
216 | else | |
bbb8de09 BM |
217 | { |
218 | /* abort(); */ | |
219 | } | |
d02b48c6 | 220 | |
26a3a48d | 221 | OPENSSL_free(a); |
d02b48c6 RE |
222 | } |
223 | ||
6b691a5c | 224 | void X509_STORE_free(X509_STORE *vfy) |
d02b48c6 RE |
225 | { |
226 | int i; | |
5c0a4865 | 227 | STACK_OF(X509_LOOKUP) *sk; |
d02b48c6 RE |
228 | X509_LOOKUP *lu; |
229 | ||
f684090c | 230 | if (vfy == NULL) |
e03ddfae BL |
231 | return; |
232 | ||
d02b48c6 | 233 | sk=vfy->get_cert_methods; |
5c0a4865 | 234 | for (i=0; i<sk_X509_LOOKUP_num(sk); i++) |
d02b48c6 | 235 | { |
5c0a4865 | 236 | lu=sk_X509_LOOKUP_value(sk,i); |
d02b48c6 RE |
237 | X509_LOOKUP_shutdown(lu); |
238 | X509_LOOKUP_free(lu); | |
239 | } | |
5c0a4865 | 240 | sk_X509_LOOKUP_free(sk); |
2f043896 | 241 | sk_X509_OBJECT_pop_free(vfy->objs, cleanup); |
d02b48c6 | 242 | |
79aa04ef | 243 | CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data); |
5d7c222d DSH |
244 | if (vfy->param) |
245 | X509_VERIFY_PARAM_free(vfy->param); | |
26a3a48d | 246 | OPENSSL_free(vfy); |
d02b48c6 RE |
247 | } |
248 | ||
6b691a5c | 249 | X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m) |
d02b48c6 RE |
250 | { |
251 | int i; | |
5c0a4865 | 252 | STACK_OF(X509_LOOKUP) *sk; |
d02b48c6 RE |
253 | X509_LOOKUP *lu; |
254 | ||
255 | sk=v->get_cert_methods; | |
5c0a4865 | 256 | for (i=0; i<sk_X509_LOOKUP_num(sk); i++) |
d02b48c6 | 257 | { |
5c0a4865 | 258 | lu=sk_X509_LOOKUP_value(sk,i); |
d02b48c6 RE |
259 | if (m == lu->method) |
260 | { | |
f684090c | 261 | return lu; |
d02b48c6 RE |
262 | } |
263 | } | |
264 | /* a new one */ | |
265 | lu=X509_LOOKUP_new(m); | |
266 | if (lu == NULL) | |
f684090c | 267 | return NULL; |
d02b48c6 RE |
268 | else |
269 | { | |
270 | lu->store_ctx=v; | |
5c0a4865 | 271 | if (sk_X509_LOOKUP_push(v->get_cert_methods,lu)) |
f684090c | 272 | return lu; |
d02b48c6 RE |
273 | else |
274 | { | |
275 | X509_LOOKUP_free(lu); | |
f684090c | 276 | return NULL; |
d02b48c6 RE |
277 | } |
278 | } | |
279 | } | |
280 | ||
6b691a5c UM |
281 | int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name, |
282 | X509_OBJECT *ret) | |
d02b48c6 RE |
283 | { |
284 | X509_STORE *ctx=vs->ctx; | |
285 | X509_LOOKUP *lu; | |
286 | X509_OBJECT stmp,*tmp; | |
287 | int i,j; | |
288 | ||
2f043896 | 289 | tmp=X509_OBJECT_retrieve_by_subject(ctx->objs,type,name); |
d02b48c6 RE |
290 | |
291 | if (tmp == NULL) | |
292 | { | |
5c0a4865 | 293 | for (i=vs->current_method; i<sk_X509_LOOKUP_num(ctx->get_cert_methods); i++) |
d02b48c6 | 294 | { |
5c0a4865 | 295 | lu=sk_X509_LOOKUP_value(ctx->get_cert_methods,i); |
d02b48c6 RE |
296 | j=X509_LOOKUP_by_subject(lu,type,name,&stmp); |
297 | if (j < 0) | |
298 | { | |
299 | vs->current_method=j; | |
f684090c | 300 | return j; |
d02b48c6 RE |
301 | } |
302 | else if (j) | |
303 | { | |
304 | tmp= &stmp; | |
305 | break; | |
306 | } | |
307 | } | |
308 | vs->current_method=0; | |
309 | if (tmp == NULL) | |
f684090c | 310 | return 0; |
d02b48c6 RE |
311 | } |
312 | ||
313 | /* if (ret->data.ptr != NULL) | |
314 | X509_OBJECT_free_contents(ret); */ | |
315 | ||
316 | ret->type=tmp->type; | |
317 | ret->data.ptr=tmp->data.ptr; | |
318 | ||
319 | X509_OBJECT_up_ref_count(ret); | |
320 | ||
f684090c | 321 | return 1; |
d02b48c6 RE |
322 | } |
323 | ||
2f043896 DSH |
324 | int X509_STORE_add_cert(X509_STORE *ctx, X509 *x) |
325 | { | |
326 | X509_OBJECT *obj; | |
327 | int ret=1; | |
328 | ||
f684090c | 329 | if (x == NULL) return 0; |
2f043896 DSH |
330 | obj=(X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT)); |
331 | if (obj == NULL) | |
332 | { | |
333 | X509err(X509_F_X509_STORE_ADD_CERT,ERR_R_MALLOC_FAILURE); | |
f684090c | 334 | return 0; |
2f043896 DSH |
335 | } |
336 | obj->type=X509_LU_X509; | |
337 | obj->data.x509=x; | |
338 | ||
339 | CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); | |
340 | ||
341 | X509_OBJECT_up_ref_count(obj); | |
342 | ||
343 | ||
344 | if (X509_OBJECT_retrieve_match(ctx->objs, obj)) | |
345 | { | |
346 | X509_OBJECT_free_contents(obj); | |
347 | OPENSSL_free(obj); | |
348 | X509err(X509_F_X509_STORE_ADD_CERT,X509_R_CERT_ALREADY_IN_HASH_TABLE); | |
349 | ret=0; | |
350 | } | |
351 | else sk_X509_OBJECT_push(ctx->objs, obj); | |
352 | ||
353 | CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); | |
354 | ||
f684090c | 355 | return ret; |
2f043896 DSH |
356 | } |
357 | ||
358 | int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x) | |
359 | { | |
360 | X509_OBJECT *obj; | |
361 | int ret=1; | |
362 | ||
f684090c | 363 | if (x == NULL) return 0; |
2f043896 DSH |
364 | obj=(X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT)); |
365 | if (obj == NULL) | |
366 | { | |
367 | X509err(X509_F_X509_STORE_ADD_CRL,ERR_R_MALLOC_FAILURE); | |
f684090c | 368 | return 0; |
2f043896 DSH |
369 | } |
370 | obj->type=X509_LU_CRL; | |
371 | obj->data.crl=x; | |
372 | ||
373 | CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE); | |
374 | ||
375 | X509_OBJECT_up_ref_count(obj); | |
376 | ||
377 | if (X509_OBJECT_retrieve_match(ctx->objs, obj)) | |
378 | { | |
379 | X509_OBJECT_free_contents(obj); | |
380 | OPENSSL_free(obj); | |
381 | X509err(X509_F_X509_STORE_ADD_CRL,X509_R_CERT_ALREADY_IN_HASH_TABLE); | |
382 | ret=0; | |
383 | } | |
384 | else sk_X509_OBJECT_push(ctx->objs, obj); | |
385 | ||
386 | CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE); | |
387 | ||
f684090c | 388 | return ret; |
2f043896 DSH |
389 | } |
390 | ||
6b691a5c | 391 | void X509_OBJECT_up_ref_count(X509_OBJECT *a) |
d02b48c6 RE |
392 | { |
393 | switch (a->type) | |
394 | { | |
395 | case X509_LU_X509: | |
396 | CRYPTO_add(&a->data.x509->references,1,CRYPTO_LOCK_X509); | |
397 | break; | |
398 | case X509_LU_CRL: | |
399 | CRYPTO_add(&a->data.crl->references,1,CRYPTO_LOCK_X509_CRL); | |
400 | break; | |
401 | } | |
402 | } | |
403 | ||
6b691a5c | 404 | void X509_OBJECT_free_contents(X509_OBJECT *a) |
d02b48c6 RE |
405 | { |
406 | switch (a->type) | |
407 | { | |
408 | case X509_LU_X509: | |
409 | X509_free(a->data.x509); | |
410 | break; | |
411 | case X509_LU_CRL: | |
412 | X509_CRL_free(a->data.crl); | |
413 | break; | |
414 | } | |
415 | } | |
416 | ||
2f043896 | 417 | int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type, |
6b691a5c | 418 | X509_NAME *name) |
d02b48c6 | 419 | { |
2f043896 | 420 | X509_OBJECT stmp; |
d02b48c6 RE |
421 | X509 x509_s; |
422 | X509_CINF cinf_s; | |
423 | X509_CRL crl_s; | |
424 | X509_CRL_INFO crl_info_s; | |
425 | ||
426 | stmp.type=type; | |
427 | switch (type) | |
428 | { | |
429 | case X509_LU_X509: | |
430 | stmp.data.x509= &x509_s; | |
431 | x509_s.cert_info= &cinf_s; | |
432 | cinf_s.subject=name; | |
433 | break; | |
434 | case X509_LU_CRL: | |
435 | stmp.data.crl= &crl_s; | |
436 | crl_s.crl= &crl_info_s; | |
437 | crl_info_s.issuer=name; | |
438 | break; | |
439 | default: | |
bbb8de09 | 440 | /* abort(); */ |
2f043896 | 441 | return -1; |
d02b48c6 RE |
442 | } |
443 | ||
2f043896 | 444 | return sk_X509_OBJECT_find(h,&stmp); |
d02b48c6 RE |
445 | } |
446 | ||
2f043896 DSH |
447 | X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h, int type, |
448 | X509_NAME *name) | |
11262391 | 449 | { |
2f043896 DSH |
450 | int idx; |
451 | idx = X509_OBJECT_idx_by_subject(h, type, name); | |
f684090c | 452 | if (idx==-1) return NULL; |
2f043896 | 453 | return sk_X509_OBJECT_value(h, idx); |
11262391 DSH |
454 | } |
455 | ||
2f043896 | 456 | X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x) |
11262391 | 457 | { |
2f043896 DSH |
458 | int idx, i; |
459 | X509_OBJECT *obj; | |
460 | idx = sk_X509_OBJECT_find(h, x); | |
f684090c BM |
461 | if (idx == -1) return NULL; |
462 | if (x->type != X509_LU_X509) return sk_X509_OBJECT_value(h, idx); | |
463 | for (i = idx; i < sk_X509_OBJECT_num(h); i++) | |
464 | { | |
2f043896 | 465 | obj = sk_X509_OBJECT_value(h, i); |
f684090c BM |
466 | if (x509_object_cmp((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x)) |
467 | return NULL; | |
468 | if ((x->type != X509_LU_X509) || !X509_cmp(obj->data.x509, x->data.x509)) | |
469 | return obj; | |
470 | } | |
2f043896 | 471 | return NULL; |
11262391 DSH |
472 | } |
473 | ||
d02b48c6 | 474 | |
2f043896 DSH |
475 | /* Try to get issuer certificate from store. Due to limitations |
476 | * of the API this can only retrieve a single certificate matching | |
477 | * a given subject name. However it will fill the cache with all | |
478 | * matching certificates, so we can examine the cache for all | |
479 | * matches. | |
480 | * | |
481 | * Return values are: | |
482 | * 1 lookup successful. | |
483 | * 0 certificate not found. | |
484 | * -1 some other error. | |
485 | */ | |
486 | ||
487 | ||
488 | int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x) | |
489 | { | |
490 | X509_NAME *xn; | |
491 | X509_OBJECT obj, *pobj; | |
492 | int i, ok, idx; | |
493 | xn=X509_get_issuer_name(x); | |
494 | ok=X509_STORE_get_by_subject(ctx,X509_LU_X509,xn,&obj); | |
495 | if (ok != X509_LU_X509) | |
d02b48c6 | 496 | { |
2f043896 DSH |
497 | if (ok == X509_LU_RETRY) |
498 | { | |
499 | X509_OBJECT_free_contents(&obj); | |
8afca8d9 | 500 | X509err(X509_F_X509_STORE_CTX_GET1_ISSUER,X509_R_SHOULD_RETRY); |
2f043896 DSH |
501 | return -1; |
502 | } | |
503 | else if (ok != X509_LU_FAIL) | |
504 | { | |
505 | X509_OBJECT_free_contents(&obj); | |
506 | /* not good :-(, break anyway */ | |
507 | return -1; | |
508 | } | |
509 | return 0; | |
510 | } | |
511 | /* If certificate matches all OK */ | |
f684090c BM |
512 | if (ctx->check_issued(ctx, x, obj.data.x509)) |
513 | { | |
514 | *issuer = obj.data.x509; | |
515 | return 1; | |
516 | } | |
2f043896 DSH |
517 | X509_OBJECT_free_contents(&obj); |
518 | /* Else find index of first matching cert */ | |
519 | idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn); | |
520 | /* This shouldn't normally happen since we already have one match */ | |
f684090c | 521 | if (idx == -1) return 0; |
2f043896 DSH |
522 | |
523 | /* Look through all matching certificates for a suitable issuer */ | |
f684090c BM |
524 | for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) |
525 | { | |
2f043896 DSH |
526 | pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i); |
527 | /* See if we've ran out of matches */ | |
f684090c BM |
528 | if (pobj->type != X509_LU_X509) return 0; |
529 | if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509))) return 0; | |
530 | if (ctx->check_issued(ctx, x, pobj->data.x509)) | |
531 | { | |
2f043896 DSH |
532 | *issuer = pobj->data.x509; |
533 | X509_OBJECT_up_ref_count(pobj); | |
534 | return 1; | |
f684090c | 535 | } |
d02b48c6 | 536 | } |
2f043896 DSH |
537 | return 0; |
538 | } | |
d02b48c6 | 539 | |
5d7c222d | 540 | int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags) |
bdee69f7 | 541 | { |
5d7c222d DSH |
542 | return X509_VERIFY_PARAM_set_flags(ctx->param, flags); |
543 | } | |
544 | ||
545 | int X509_STORE_set_depth(X509_STORE *ctx, int depth) | |
546 | { | |
547 | X509_VERIFY_PARAM_set_depth(ctx->param, depth); | |
548 | return 1; | |
bdee69f7 DSH |
549 | } |
550 | ||
926a56bf DSH |
551 | int X509_STORE_set_purpose(X509_STORE *ctx, int purpose) |
552 | { | |
5d7c222d | 553 | return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose); |
926a56bf DSH |
554 | } |
555 | ||
556 | int X509_STORE_set_trust(X509_STORE *ctx, int trust) | |
557 | { | |
5d7c222d DSH |
558 | return X509_VERIFY_PARAM_set_trust(ctx->param, trust); |
559 | } | |
560 | ||
561 | int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param) | |
562 | { | |
563 | return X509_VERIFY_PARAM_set1(ctx->param, param); | |
926a56bf DSH |
564 | } |
565 | ||
5c0a4865 | 566 | IMPLEMENT_STACK_OF(X509_LOOKUP) |
2f043896 | 567 | IMPLEMENT_STACK_OF(X509_OBJECT) |