1 /* $OpenBSD: x_crl.c,v 1.44 2024/04/09 13:55:02 beck Exp $ */
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
61 #include <openssl/opensslconf.h>
62
63 #include <openssl/asn1t.h>
64 #include <openssl/err.h>
65 #include <openssl/x509.h>
66 #include <openssl/x509v3.h>
67
68 #include "asn1_local.h"
69 #include "x509_local.h"
70
71 static int X509_REVOKED_cmp(const X509_REVOKED * const *a,
72 const X509_REVOKED * const *b);
73 static void setup_idp(X509_CRL *crl, ISSUING_DIST_POINT *idp);
74
75 static const ASN1_TEMPLATE X509_REVOKED_seq_tt[] = {
76 {
77 .offset = offsetof(X509_REVOKED, serialNumber),
78 .field_name = "serialNumber",
79 .item = &ASN1_INTEGER_it,
80 },
81 {
82 .offset = offsetof(X509_REVOKED, revocationDate),
83 .field_name = "revocationDate",
84 .item = &ASN1_TIME_it,
85 },
86 {
87 .flags = ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
88 .offset = offsetof(X509_REVOKED, extensions),
89 .field_name = "extensions",
90 .item = &X509_EXTENSION_it,
91 },
92 };
93
94 const ASN1_ITEM X509_REVOKED_it = {
95 .itype = ASN1_ITYPE_SEQUENCE,
96 .utype = V_ASN1_SEQUENCE,
97 .templates = X509_REVOKED_seq_tt,
98 .tcount = sizeof(X509_REVOKED_seq_tt) / sizeof(ASN1_TEMPLATE),
99 .size = sizeof(X509_REVOKED),
100 .sname = "X509_REVOKED",
101 };
102
103 /* The X509_CRL_INFO structure needs a bit of customisation.
104 * Since we cache the original encoding the signature wont be affected by
105 * reordering of the revoked field.
106 */
107 static int
crl_inf_cb(int operation,ASN1_VALUE ** pval,const ASN1_ITEM * it,void * exarg)108 crl_inf_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
109 {
110 X509_CRL_INFO *a = (X509_CRL_INFO *)*pval;
111
112 if (!a || !a->revoked)
113 return 1;
114 switch (operation) {
115 /* Just set cmp function here. We don't sort because that
116 * would affect the output of X509_CRL_print().
117 */
118 case ASN1_OP_D2I_POST:
119 (void)sk_X509_REVOKED_set_cmp_func(a->revoked, X509_REVOKED_cmp);
120 break;
121 }
122 return 1;
123 }
124
125
126 static const ASN1_AUX X509_CRL_INFO_aux = {
127 .flags = ASN1_AFLG_ENCODING,
128 .asn1_cb = crl_inf_cb,
129 .enc_offset = offsetof(X509_CRL_INFO, enc),
130 };
131 static const ASN1_TEMPLATE X509_CRL_INFO_seq_tt[] = {
132 {
133 .flags = ASN1_TFLG_OPTIONAL,
134 .offset = offsetof(X509_CRL_INFO, version),
135 .field_name = "version",
136 .item = &ASN1_INTEGER_it,
137 },
138 {
139 .offset = offsetof(X509_CRL_INFO, sig_alg),
140 .field_name = "sig_alg",
141 .item = &X509_ALGOR_it,
142 },
143 {
144 .offset = offsetof(X509_CRL_INFO, issuer),
145 .field_name = "issuer",
146 .item = &X509_NAME_it,
147 },
148 {
149 .offset = offsetof(X509_CRL_INFO, lastUpdate),
150 .field_name = "lastUpdate",
151 .item = &ASN1_TIME_it,
152 },
153 {
154 .flags = ASN1_TFLG_OPTIONAL,
155 .offset = offsetof(X509_CRL_INFO, nextUpdate),
156 .field_name = "nextUpdate",
157 .item = &ASN1_TIME_it,
158 },
159 {
160 .flags = ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
161 .offset = offsetof(X509_CRL_INFO, revoked),
162 .field_name = "revoked",
163 .item = &X509_REVOKED_it,
164 },
165 {
166 .flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
167 .offset = offsetof(X509_CRL_INFO, extensions),
168 .field_name = "extensions",
169 .item = &X509_EXTENSION_it,
170 },
171 };
172
173 const ASN1_ITEM X509_CRL_INFO_it = {
174 .itype = ASN1_ITYPE_SEQUENCE,
175 .utype = V_ASN1_SEQUENCE,
176 .templates = X509_CRL_INFO_seq_tt,
177 .tcount = sizeof(X509_CRL_INFO_seq_tt) / sizeof(ASN1_TEMPLATE),
178 .funcs = &X509_CRL_INFO_aux,
179 .size = sizeof(X509_CRL_INFO),
180 .sname = "X509_CRL_INFO",
181 };
182
183 /* Set CRL entry issuer according to CRL certificate issuer extension.
184 * Check for unhandled critical CRL entry extensions.
185 */
186
187 static int
crl_set_issuers(X509_CRL * crl)188 crl_set_issuers(X509_CRL *crl)
189 {
190 int i, j;
191 GENERAL_NAMES *gens, *gtmp;
192 STACK_OF(X509_REVOKED) *revoked;
193
194 revoked = X509_CRL_get_REVOKED(crl);
195
196 gens = NULL;
197 for (i = 0; i < sk_X509_REVOKED_num(revoked); i++) {
198 X509_REVOKED *rev = sk_X509_REVOKED_value(revoked, i);
199 STACK_OF(X509_EXTENSION) *exts;
200 ASN1_ENUMERATED *reason;
201 X509_EXTENSION *ext;
202 gtmp = X509_REVOKED_get_ext_d2i(rev, NID_certificate_issuer,
203 &j, NULL);
204 if (!gtmp && (j != -1)) {
205 crl->flags |= EXFLAG_INVALID;
206 return 1;
207 }
208
209 if (gtmp) {
210 gens = gtmp;
211 if (!crl->issuers) {
212 crl->issuers = sk_GENERAL_NAMES_new_null();
213 if (!crl->issuers)
214 return 0;
215 }
216 if (!sk_GENERAL_NAMES_push(crl->issuers, gtmp))
217 return 0;
218 }
219 rev->issuer = gens;
220
221 reason = X509_REVOKED_get_ext_d2i(rev, NID_crl_reason,
222 &j, NULL);
223 if (!reason && (j != -1)) {
224 crl->flags |= EXFLAG_INVALID;
225 return 1;
226 }
227
228 if (reason) {
229 rev->reason = ASN1_ENUMERATED_get(reason);
230 ASN1_ENUMERATED_free(reason);
231 } else
232 rev->reason = CRL_REASON_NONE;
233
234 /* Check for critical CRL entry extensions */
235
236 exts = rev->extensions;
237
238 for (j = 0; j < sk_X509_EXTENSION_num(exts); j++) {
239 ext = sk_X509_EXTENSION_value(exts, j);
240 if (ext->critical > 0) {
241 if (OBJ_obj2nid(ext->object) ==
242 NID_certificate_issuer)
243 continue;
244 crl->flags |= EXFLAG_CRITICAL;
245 break;
246 }
247 }
248 }
249
250 return 1;
251 }
252
253 /* The X509_CRL structure needs a bit of customisation. Cache some extensions
254 * and hash of the whole CRL.
255 */
256 static int
crl_cb(int operation,ASN1_VALUE ** pval,const ASN1_ITEM * it,void * exarg)257 crl_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
258 {
259 X509_CRL *crl = (X509_CRL *)*pval;
260 STACK_OF(X509_EXTENSION) *exts;
261 X509_EXTENSION *ext;
262 int idx;
263 int rc = 1;
264
265 switch (operation) {
266 case ASN1_OP_NEW_POST:
267 crl->idp = NULL;
268 crl->akid = NULL;
269 crl->flags = 0;
270 crl->idp_flags = 0;
271 crl->idp_reasons = CRLDP_ALL_REASONS;
272 crl->issuers = NULL;
273 crl->crl_number = NULL;
274 crl->base_crl_number = NULL;
275 break;
276
277 case ASN1_OP_D2I_POST:
278 X509_CRL_digest(crl, X509_CRL_HASH_EVP, crl->hash, NULL);
279 crl->idp = X509_CRL_get_ext_d2i(crl,
280 NID_issuing_distribution_point, NULL, NULL);
281 if (crl->idp)
282 setup_idp(crl, crl->idp);
283
284 crl->akid = X509_CRL_get_ext_d2i(crl,
285 NID_authority_key_identifier, NULL, NULL);
286
287 crl->crl_number = X509_CRL_get_ext_d2i(crl,
288 NID_crl_number, NULL, NULL);
289
290 crl->base_crl_number = X509_CRL_get_ext_d2i(crl,
291 NID_delta_crl, NULL, NULL);
292 /* Delta CRLs must have CRL number */
293 if (crl->base_crl_number && !crl->crl_number)
294 crl->flags |= EXFLAG_INVALID;
295
296 /* See if we have any unhandled critical CRL extensions and
297 * indicate this in a flag. We only currently handle IDP,
298 * AKID and deltas, so anything else critical sets the flag.
299 *
300 * This code accesses the X509_CRL structure directly:
301 * applications shouldn't do this.
302 */
303
304 exts = crl->crl->extensions;
305
306 for (idx = 0; idx < sk_X509_EXTENSION_num(exts); idx++) {
307 int nid;
308 ext = sk_X509_EXTENSION_value(exts, idx);
309 nid = OBJ_obj2nid(ext->object);
310 if (nid == NID_freshest_crl)
311 crl->flags |= EXFLAG_FRESHEST;
312 if (ext->critical > 0) {
313 /* We handle IDP, AKID and deltas */
314 if (nid == NID_issuing_distribution_point ||
315 nid == NID_authority_key_identifier ||
316 nid == NID_delta_crl)
317 break;
318 crl->flags |= EXFLAG_CRITICAL;
319 break;
320 }
321 }
322
323 if (!crl_set_issuers(crl))
324 return 0;
325 break;
326
327 case ASN1_OP_FREE_POST:
328 if (crl->akid)
329 AUTHORITY_KEYID_free(crl->akid);
330 if (crl->idp)
331 ISSUING_DIST_POINT_free(crl->idp);
332 ASN1_INTEGER_free(crl->crl_number);
333 ASN1_INTEGER_free(crl->base_crl_number);
334 sk_GENERAL_NAMES_pop_free(crl->issuers, GENERAL_NAMES_free);
335 break;
336 }
337 return rc;
338 }
339
340 /* Convert IDP into a more convenient form */
341
342 static void
setup_idp(X509_CRL * crl,ISSUING_DIST_POINT * idp)343 setup_idp(X509_CRL *crl, ISSUING_DIST_POINT *idp)
344 {
345 int idp_only = 0;
346
347 /* Set various flags according to IDP */
348 crl->idp_flags |= IDP_PRESENT;
349 if (idp->onlyuser > 0) {
350 idp_only++;
351 crl->idp_flags |= IDP_ONLYUSER;
352 }
353 if (idp->onlyCA > 0) {
354 idp_only++;
355 crl->idp_flags |= IDP_ONLYCA;
356 }
357 if (idp->onlyattr > 0) {
358 idp_only++;
359 crl->idp_flags |= IDP_ONLYATTR;
360 }
361
362 if (idp_only > 1)
363 crl->idp_flags |= IDP_INVALID;
364
365 if (idp->indirectCRL > 0)
366 crl->idp_flags |= IDP_INDIRECT;
367
368 if (idp->onlysomereasons) {
369 crl->idp_flags |= IDP_REASONS;
370 if (idp->onlysomereasons->length > 0)
371 crl->idp_reasons = idp->onlysomereasons->data[0];
372 if (idp->onlysomereasons->length > 1)
373 crl->idp_reasons |=
374 (idp->onlysomereasons->data[1] << 8);
375 crl->idp_reasons &= CRLDP_ALL_REASONS;
376 }
377
378 DIST_POINT_set_dpname(idp->distpoint, X509_CRL_get_issuer(crl));
379 }
380
381 static const ASN1_AUX X509_CRL_aux = {
382 .app_data = NULL,
383 .flags = ASN1_AFLG_REFCOUNT,
384 .ref_offset = offsetof(X509_CRL, references),
385 .ref_lock = CRYPTO_LOCK_X509_CRL,
386 .asn1_cb = crl_cb,
387 };
388 static const ASN1_TEMPLATE X509_CRL_seq_tt[] = {
389 {
390 .offset = offsetof(X509_CRL, crl),
391 .field_name = "crl",
392 .item = &X509_CRL_INFO_it,
393 },
394 {
395 .offset = offsetof(X509_CRL, sig_alg),
396 .field_name = "sig_alg",
397 .item = &X509_ALGOR_it,
398 },
399 {
400 .offset = offsetof(X509_CRL, signature),
401 .field_name = "signature",
402 .item = &ASN1_BIT_STRING_it,
403 },
404 };
405
406 const ASN1_ITEM X509_CRL_it = {
407 .itype = ASN1_ITYPE_SEQUENCE,
408 .utype = V_ASN1_SEQUENCE,
409 .templates = X509_CRL_seq_tt,
410 .tcount = sizeof(X509_CRL_seq_tt) / sizeof(ASN1_TEMPLATE),
411 .funcs = &X509_CRL_aux,
412 .size = sizeof(X509_CRL),
413 .sname = "X509_CRL",
414 };
415
416
417 X509_REVOKED *
d2i_X509_REVOKED(X509_REVOKED ** a,const unsigned char ** in,long len)418 d2i_X509_REVOKED(X509_REVOKED **a, const unsigned char **in, long len)
419 {
420 return (X509_REVOKED *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
421 &X509_REVOKED_it);
422 }
423 LCRYPTO_ALIAS(d2i_X509_REVOKED);
424
425 int
i2d_X509_REVOKED(X509_REVOKED * a,unsigned char ** out)426 i2d_X509_REVOKED(X509_REVOKED *a, unsigned char **out)
427 {
428 return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_REVOKED_it);
429 }
430 LCRYPTO_ALIAS(i2d_X509_REVOKED);
431
432 X509_REVOKED *
X509_REVOKED_new(void)433 X509_REVOKED_new(void)
434 {
435 return (X509_REVOKED *)ASN1_item_new(&X509_REVOKED_it);
436 }
437 LCRYPTO_ALIAS(X509_REVOKED_new);
438
439 void
X509_REVOKED_free(X509_REVOKED * a)440 X509_REVOKED_free(X509_REVOKED *a)
441 {
442 ASN1_item_free((ASN1_VALUE *)a, &X509_REVOKED_it);
443 }
444 LCRYPTO_ALIAS(X509_REVOKED_free);
445
446 X509_REVOKED *
X509_REVOKED_dup(X509_REVOKED * a)447 X509_REVOKED_dup(X509_REVOKED *a)
448 {
449 return ASN1_item_dup(&X509_REVOKED_it, a);
450 }
451 LCRYPTO_ALIAS(X509_REVOKED_dup);
452
453 X509_CRL_INFO *
d2i_X509_CRL_INFO(X509_CRL_INFO ** a,const unsigned char ** in,long len)454 d2i_X509_CRL_INFO(X509_CRL_INFO **a, const unsigned char **in, long len)
455 {
456 return (X509_CRL_INFO *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
457 &X509_CRL_INFO_it);
458 }
459 LCRYPTO_ALIAS(d2i_X509_CRL_INFO);
460
461 int
i2d_X509_CRL_INFO(X509_CRL_INFO * a,unsigned char ** out)462 i2d_X509_CRL_INFO(X509_CRL_INFO *a, unsigned char **out)
463 {
464 return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_CRL_INFO_it);
465 }
466 LCRYPTO_ALIAS(i2d_X509_CRL_INFO);
467
468 X509_CRL_INFO *
X509_CRL_INFO_new(void)469 X509_CRL_INFO_new(void)
470 {
471 return (X509_CRL_INFO *)ASN1_item_new(&X509_CRL_INFO_it);
472 }
473 LCRYPTO_ALIAS(X509_CRL_INFO_new);
474
475 void
X509_CRL_INFO_free(X509_CRL_INFO * a)476 X509_CRL_INFO_free(X509_CRL_INFO *a)
477 {
478 ASN1_item_free((ASN1_VALUE *)a, &X509_CRL_INFO_it);
479 }
480 LCRYPTO_ALIAS(X509_CRL_INFO_free);
481
482 X509_CRL *
d2i_X509_CRL(X509_CRL ** a,const unsigned char ** in,long len)483 d2i_X509_CRL(X509_CRL **a, const unsigned char **in, long len)
484 {
485 return (X509_CRL *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
486 &X509_CRL_it);
487 }
488 LCRYPTO_ALIAS(d2i_X509_CRL);
489
490 int
i2d_X509_CRL(X509_CRL * a,unsigned char ** out)491 i2d_X509_CRL(X509_CRL *a, unsigned char **out)
492 {
493 return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_CRL_it);
494 }
495 LCRYPTO_ALIAS(i2d_X509_CRL);
496
497 X509_CRL *
X509_CRL_new(void)498 X509_CRL_new(void)
499 {
500 return (X509_CRL *)ASN1_item_new(&X509_CRL_it);
501 }
502 LCRYPTO_ALIAS(X509_CRL_new);
503
504 void
X509_CRL_free(X509_CRL * a)505 X509_CRL_free(X509_CRL *a)
506 {
507 ASN1_item_free((ASN1_VALUE *)a, &X509_CRL_it);
508 }
509 LCRYPTO_ALIAS(X509_CRL_free);
510
511 X509_CRL *
X509_CRL_dup(X509_CRL * x)512 X509_CRL_dup(X509_CRL *x)
513 {
514 return ASN1_item_dup(&X509_CRL_it, x);
515 }
516 LCRYPTO_ALIAS(X509_CRL_dup);
517
518 static int
X509_REVOKED_cmp(const X509_REVOKED * const * a,const X509_REVOKED * const * b)519 X509_REVOKED_cmp(const X509_REVOKED * const *a, const X509_REVOKED * const *b)
520 {
521 return(ASN1_INTEGER_cmp((*a)->serialNumber, (*b)->serialNumber));
522 }
523
524 int
X509_CRL_add0_revoked(X509_CRL * crl,X509_REVOKED * rev)525 X509_CRL_add0_revoked(X509_CRL *crl, X509_REVOKED *rev)
526 {
527 X509_CRL_INFO *inf;
528
529 inf = crl->crl;
530 if (!inf->revoked)
531 inf->revoked = sk_X509_REVOKED_new(X509_REVOKED_cmp);
532 if (!inf->revoked || !sk_X509_REVOKED_push(inf->revoked, rev)) {
533 ASN1error(ERR_R_MALLOC_FAILURE);
534 return 0;
535 }
536 inf->enc.modified = 1;
537 return 1;
538 }
539 LCRYPTO_ALIAS(X509_CRL_add0_revoked);
540
541 int
X509_CRL_verify(X509_CRL * crl,EVP_PKEY * pkey)542 X509_CRL_verify(X509_CRL *crl, EVP_PKEY *pkey)
543 {
544 return ASN1_item_verify(&X509_CRL_INFO_it, crl->sig_alg, crl->signature,
545 crl->crl, pkey);
546 }
547 LCRYPTO_ALIAS(X509_CRL_verify);
548
549 static int
crl_revoked_issuer_match(X509_CRL * crl,X509_NAME * nm,X509_REVOKED * rev)550 crl_revoked_issuer_match(X509_CRL *crl, X509_NAME *nm, X509_REVOKED *rev)
551 {
552 int i;
553
554 if (!rev->issuer) {
555 if (!nm)
556 return 1;
557 if (!X509_NAME_cmp(nm, X509_CRL_get_issuer(crl)))
558 return 1;
559 return 0;
560 }
561
562 if (!nm)
563 nm = X509_CRL_get_issuer(crl);
564
565 for (i = 0; i < sk_GENERAL_NAME_num(rev->issuer); i++) {
566 GENERAL_NAME *gen = sk_GENERAL_NAME_value(rev->issuer, i);
567 if (gen->type != GEN_DIRNAME)
568 continue;
569 if (!X509_NAME_cmp(nm, gen->d.directoryName))
570 return 1;
571 }
572 return 0;
573
574 }
575
576 static int
crl_lookup(X509_CRL * crl,X509_REVOKED ** ret,ASN1_INTEGER * serial,X509_NAME * issuer)577 crl_lookup(X509_CRL *crl, X509_REVOKED **ret, ASN1_INTEGER *serial,
578 X509_NAME *issuer)
579 {
580 X509_REVOKED rtmp, *rev;
581 int idx;
582
583 rtmp.serialNumber = serial;
584 if (!sk_X509_REVOKED_is_sorted(crl->crl->revoked)) {
585 CRYPTO_w_lock(CRYPTO_LOCK_X509_CRL);
586 sk_X509_REVOKED_sort(crl->crl->revoked);
587 CRYPTO_w_unlock(CRYPTO_LOCK_X509_CRL);
588 }
589 idx = sk_X509_REVOKED_find(crl->crl->revoked, &rtmp);
590 if (idx < 0)
591 return 0;
592 /* Need to look for matching name */
593 for (; idx < sk_X509_REVOKED_num(crl->crl->revoked); idx++) {
594 rev = sk_X509_REVOKED_value(crl->crl->revoked, idx);
595 if (ASN1_INTEGER_cmp(rev->serialNumber, serial))
596 return 0;
597 if (crl_revoked_issuer_match(crl, issuer, rev)) {
598 if (ret)
599 *ret = rev;
600 if (rev->reason == CRL_REASON_REMOVE_FROM_CRL)
601 return 2;
602 return 1;
603 }
604 }
605 return 0;
606 }
607
608 int
X509_CRL_get0_by_serial(X509_CRL * crl,X509_REVOKED ** ret,ASN1_INTEGER * serial)609 X509_CRL_get0_by_serial(X509_CRL *crl, X509_REVOKED **ret,
610 ASN1_INTEGER *serial)
611 {
612 return crl_lookup(crl, ret, serial, NULL);
613 }
614 LCRYPTO_ALIAS(X509_CRL_get0_by_serial);
615
616 int
X509_CRL_get0_by_cert(X509_CRL * crl,X509_REVOKED ** ret,X509 * x)617 X509_CRL_get0_by_cert(X509_CRL *crl, X509_REVOKED **ret, X509 *x)
618 {
619 return crl_lookup(crl, ret, X509_get_serialNumber(x),
620 X509_get_issuer_name(x));
621 }
622 LCRYPTO_ALIAS(X509_CRL_get0_by_cert);
623
624 int
X509_CRL_get_signature_nid(const X509_CRL * crl)625 X509_CRL_get_signature_nid(const X509_CRL *crl)
626 {
627 return OBJ_obj2nid(crl->sig_alg->algorithm);
628 }
629 LCRYPTO_ALIAS(X509_CRL_get_signature_nid);
630
STACK_OF(X509_EXTENSION)631 const STACK_OF(X509_EXTENSION) *
632 X509_CRL_get0_extensions(const X509_CRL *crl)
633 {
634 return crl->crl->extensions;
635 }
636 LCRYPTO_ALIAS(X509_CRL_get0_extensions);
637
638 long
X509_CRL_get_version(const X509_CRL * crl)639 X509_CRL_get_version(const X509_CRL *crl)
640 {
641 return ASN1_INTEGER_get(crl->crl->version);
642 }
643 LCRYPTO_ALIAS(X509_CRL_get_version);
644
645 const ASN1_TIME *
X509_CRL_get0_lastUpdate(const X509_CRL * crl)646 X509_CRL_get0_lastUpdate(const X509_CRL *crl)
647 {
648 return crl->crl->lastUpdate;
649 }
650 LCRYPTO_ALIAS(X509_CRL_get0_lastUpdate);
651
652 ASN1_TIME *
X509_CRL_get_lastUpdate(X509_CRL * crl)653 X509_CRL_get_lastUpdate(X509_CRL *crl)
654 {
655 return crl->crl->lastUpdate;
656 }
657 LCRYPTO_ALIAS(X509_CRL_get_lastUpdate);
658
659 const ASN1_TIME *
X509_CRL_get0_nextUpdate(const X509_CRL * crl)660 X509_CRL_get0_nextUpdate(const X509_CRL *crl)
661 {
662 return crl->crl->nextUpdate;
663 }
664 LCRYPTO_ALIAS(X509_CRL_get0_nextUpdate);
665
666 ASN1_TIME *
X509_CRL_get_nextUpdate(X509_CRL * crl)667 X509_CRL_get_nextUpdate(X509_CRL *crl)
668 {
669 return crl->crl->nextUpdate;
670 }
671 LCRYPTO_ALIAS(X509_CRL_get_nextUpdate);
672
673 X509_NAME *
X509_CRL_get_issuer(const X509_CRL * crl)674 X509_CRL_get_issuer(const X509_CRL *crl)
675 {
676 return crl->crl->issuer;
677 }
678 LCRYPTO_ALIAS(X509_CRL_get_issuer);
679
STACK_OF(X509_REVOKED)680 STACK_OF(X509_REVOKED) *
681 X509_CRL_get_REVOKED(X509_CRL *crl)
682 {
683 return crl->crl->revoked;
684 }
685 LCRYPTO_ALIAS(X509_CRL_get_REVOKED);
686
687 void
X509_CRL_get0_signature(const X509_CRL * crl,const ASN1_BIT_STRING ** psig,const X509_ALGOR ** palg)688 X509_CRL_get0_signature(const X509_CRL *crl, const ASN1_BIT_STRING **psig,
689 const X509_ALGOR **palg)
690 {
691 if (psig != NULL)
692 *psig = crl->signature;
693 if (palg != NULL)
694 *palg = crl->sig_alg;
695 }
696 LCRYPTO_ALIAS(X509_CRL_get0_signature);
697
698 const X509_ALGOR *
X509_CRL_get0_tbs_sigalg(const X509_CRL * crl)699 X509_CRL_get0_tbs_sigalg(const X509_CRL *crl)
700 {
701 return crl->crl->sig_alg;
702 }
703 LCRYPTO_ALIAS(X509_CRL_get0_tbs_sigalg);
704