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4853 illumos-gate is not lint-clean when built with openssl 1.0
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--- old/usr/src/lib/openssl/libsunw_crypto/cms/cms_lib.c
+++ new/usr/src/lib/openssl/libsunw_crypto/cms/cms_lib.c
1 1 /* crypto/cms/cms_lib.c */
2 2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 3 * project.
4 4 */
5 5 /* ====================================================================
6 6 * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
7 7 *
8 8 * Redistribution and use in source and binary forms, with or without
9 9 * modification, are permitted provided that the following conditions
10 10 * are met:
11 11 *
12 12 * 1. Redistributions of source code must retain the above copyright
13 13 * notice, this list of conditions and the following disclaimer.
14 14 *
15 15 * 2. Redistributions in binary form must reproduce the above copyright
16 16 * notice, this list of conditions and the following disclaimer in
17 17 * the documentation and/or other materials provided with the
18 18 * distribution.
19 19 *
20 20 * 3. All advertising materials mentioning features or use of this
21 21 * software must display the following acknowledgment:
22 22 * "This product includes software developed by the OpenSSL Project
23 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 24 *
25 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 26 * endorse or promote products derived from this software without
27 27 * prior written permission. For written permission, please contact
28 28 * licensing@OpenSSL.org.
29 29 *
30 30 * 5. Products derived from this software may not be called "OpenSSL"
31 31 * nor may "OpenSSL" appear in their names without prior written
32 32 * permission of the OpenSSL Project.
33 33 *
34 34 * 6. Redistributions of any form whatsoever must retain the following
35 35 * acknowledgment:
36 36 * "This product includes software developed by the OpenSSL Project
37 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 38 *
39 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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50 50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 51 * ====================================================================
52 52 */
53 53
54 54 #include <openssl/asn1t.h>
55 55 #include <openssl/x509.h>
56 56 #include <openssl/err.h>
57 57 #include <openssl/pem.h>
58 58 #include <openssl/bio.h>
59 59 #include <openssl/asn1.h>
60 -#include "cms.h"
61 -#include "cms_lcl.h"
60 +#include <openssl/cms.h>
61 +#include <cms_lcl.h>
62 62
63 63 IMPLEMENT_ASN1_FUNCTIONS(CMS_ContentInfo)
64 64 IMPLEMENT_ASN1_PRINT_FUNCTION(CMS_ContentInfo)
65 65
66 66 DECLARE_ASN1_ITEM(CMS_CertificateChoices)
67 67 DECLARE_ASN1_ITEM(CMS_RevocationInfoChoice)
68 68 DECLARE_STACK_OF(CMS_CertificateChoices)
69 69 DECLARE_STACK_OF(CMS_RevocationInfoChoice)
70 70
71 71 const ASN1_OBJECT *CMS_get0_type(CMS_ContentInfo *cms)
72 72 {
73 73 return cms->contentType;
74 74 }
75 75
76 76 CMS_ContentInfo *cms_Data_create(void)
77 77 {
78 78 CMS_ContentInfo *cms;
79 79 cms = CMS_ContentInfo_new();
80 80 if (cms)
81 81 {
82 82 cms->contentType = OBJ_nid2obj(NID_pkcs7_data);
83 83 /* Never detached */
84 84 CMS_set_detached(cms, 0);
85 85 }
86 86 return cms;
87 87 }
88 88
89 89 BIO *cms_content_bio(CMS_ContentInfo *cms)
90 90 {
91 91 ASN1_OCTET_STRING **pos = CMS_get0_content(cms);
92 92 if (!pos)
93 93 return NULL;
94 94 /* If content detached data goes nowhere: create NULL BIO */
95 95 if (!*pos)
96 96 return BIO_new(BIO_s_null());
97 97 /* If content not detached and created return memory BIO
98 98 */
99 99 if (!*pos || ((*pos)->flags == ASN1_STRING_FLAG_CONT))
100 100 return BIO_new(BIO_s_mem());
101 101 /* Else content was read in: return read only BIO for it */
102 102 return BIO_new_mem_buf((*pos)->data, (*pos)->length);
103 103 }
104 104
105 105 BIO *CMS_dataInit(CMS_ContentInfo *cms, BIO *icont)
106 106 {
107 107 BIO *cmsbio, *cont;
108 108 if (icont)
109 109 cont = icont;
110 110 else
111 111 cont = cms_content_bio(cms);
112 112 if (!cont)
113 113 {
114 114 CMSerr(CMS_F_CMS_DATAINIT, CMS_R_NO_CONTENT);
115 115 return NULL;
116 116 }
117 117 switch (OBJ_obj2nid(cms->contentType))
118 118 {
119 119
120 120 case NID_pkcs7_data:
121 121 return cont;
122 122
123 123 case NID_pkcs7_signed:
124 124 cmsbio = cms_SignedData_init_bio(cms);
125 125 break;
126 126
127 127 case NID_pkcs7_digest:
128 128 cmsbio = cms_DigestedData_init_bio(cms);
129 129 break;
130 130 #ifdef ZLIB
131 131 case NID_id_smime_ct_compressedData:
132 132 cmsbio = cms_CompressedData_init_bio(cms);
133 133 break;
134 134 #endif
135 135
136 136 case NID_pkcs7_encrypted:
137 137 cmsbio = cms_EncryptedData_init_bio(cms);
138 138 break;
139 139
140 140 case NID_pkcs7_enveloped:
141 141 cmsbio = cms_EnvelopedData_init_bio(cms);
142 142 break;
143 143
144 144 default:
145 145 CMSerr(CMS_F_CMS_DATAINIT, CMS_R_UNSUPPORTED_TYPE);
146 146 return NULL;
147 147 }
148 148
149 149 if (cmsbio)
150 150 return BIO_push(cmsbio, cont);
151 151
152 152 if (!icont)
153 153 BIO_free(cont);
154 154 return NULL;
155 155
156 156 }
157 157
158 158 int CMS_dataFinal(CMS_ContentInfo *cms, BIO *cmsbio)
159 159 {
160 160 ASN1_OCTET_STRING **pos = CMS_get0_content(cms);
161 161 if (!pos)
162 162 return 0;
163 163 /* If ebmedded content find memory BIO and set content */
164 164 if (*pos && ((*pos)->flags & ASN1_STRING_FLAG_CONT))
165 165 {
166 166 BIO *mbio;
167 167 unsigned char *cont;
168 168 long contlen;
169 169 mbio = BIO_find_type(cmsbio, BIO_TYPE_MEM);
170 170 if (!mbio)
171 171 {
172 172 CMSerr(CMS_F_CMS_DATAFINAL, CMS_R_CONTENT_NOT_FOUND);
173 173 return 0;
174 174 }
175 175 contlen = BIO_get_mem_data(mbio, &cont);
176 176 /* Set bio as read only so its content can't be clobbered */
177 177 BIO_set_flags(mbio, BIO_FLAGS_MEM_RDONLY);
178 178 BIO_set_mem_eof_return(mbio, 0);
179 179 ASN1_STRING_set0(*pos, cont, contlen);
180 180 (*pos)->flags &= ~ASN1_STRING_FLAG_CONT;
181 181 }
182 182
183 183 switch (OBJ_obj2nid(cms->contentType))
184 184 {
185 185
186 186 case NID_pkcs7_data:
187 187 case NID_pkcs7_enveloped:
188 188 case NID_pkcs7_encrypted:
189 189 case NID_id_smime_ct_compressedData:
190 190 /* Nothing to do */
191 191 return 1;
192 192
193 193 case NID_pkcs7_signed:
194 194 return cms_SignedData_final(cms, cmsbio);
195 195
196 196 case NID_pkcs7_digest:
197 197 return cms_DigestedData_do_final(cms, cmsbio, 0);
198 198
199 199 default:
200 200 CMSerr(CMS_F_CMS_DATAFINAL, CMS_R_UNSUPPORTED_TYPE);
201 201 return 0;
202 202 }
203 203 }
204 204
205 205 /* Return an OCTET STRING pointer to content. This allows it to
206 206 * be accessed or set later.
207 207 */
208 208
209 209 ASN1_OCTET_STRING **CMS_get0_content(CMS_ContentInfo *cms)
210 210 {
211 211 switch (OBJ_obj2nid(cms->contentType))
212 212 {
213 213
214 214 case NID_pkcs7_data:
215 215 return &cms->d.data;
216 216
217 217 case NID_pkcs7_signed:
218 218 return &cms->d.signedData->encapContentInfo->eContent;
219 219
220 220 case NID_pkcs7_enveloped:
221 221 return &cms->d.envelopedData->encryptedContentInfo->encryptedContent;
222 222
223 223 case NID_pkcs7_digest:
224 224 return &cms->d.digestedData->encapContentInfo->eContent;
225 225
226 226 case NID_pkcs7_encrypted:
227 227 return &cms->d.encryptedData->encryptedContentInfo->encryptedContent;
228 228
229 229 case NID_id_smime_ct_authData:
230 230 return &cms->d.authenticatedData->encapContentInfo->eContent;
231 231
232 232 case NID_id_smime_ct_compressedData:
233 233 return &cms->d.compressedData->encapContentInfo->eContent;
234 234
235 235 default:
236 236 if (cms->d.other->type == V_ASN1_OCTET_STRING)
237 237 return &cms->d.other->value.octet_string;
238 238 CMSerr(CMS_F_CMS_GET0_CONTENT, CMS_R_UNSUPPORTED_CONTENT_TYPE);
239 239 return NULL;
240 240
241 241 }
242 242 }
243 243
244 244 /* Return an ASN1_OBJECT pointer to content type. This allows it to
245 245 * be accessed or set later.
246 246 */
247 247
248 248 static ASN1_OBJECT **cms_get0_econtent_type(CMS_ContentInfo *cms)
249 249 {
250 250 switch (OBJ_obj2nid(cms->contentType))
251 251 {
252 252
253 253 case NID_pkcs7_signed:
254 254 return &cms->d.signedData->encapContentInfo->eContentType;
255 255
256 256 case NID_pkcs7_enveloped:
257 257 return &cms->d.envelopedData->encryptedContentInfo->contentType;
258 258
259 259 case NID_pkcs7_digest:
260 260 return &cms->d.digestedData->encapContentInfo->eContentType;
261 261
262 262 case NID_pkcs7_encrypted:
263 263 return &cms->d.encryptedData->encryptedContentInfo->contentType;
264 264
265 265 case NID_id_smime_ct_authData:
266 266 return &cms->d.authenticatedData->encapContentInfo->eContentType;
267 267
268 268 case NID_id_smime_ct_compressedData:
269 269 return &cms->d.compressedData->encapContentInfo->eContentType;
270 270
271 271 default:
272 272 CMSerr(CMS_F_CMS_GET0_ECONTENT_TYPE,
273 273 CMS_R_UNSUPPORTED_CONTENT_TYPE);
274 274 return NULL;
275 275
276 276 }
277 277 }
278 278
279 279 const ASN1_OBJECT *CMS_get0_eContentType(CMS_ContentInfo *cms)
280 280 {
281 281 ASN1_OBJECT **petype;
282 282 petype = cms_get0_econtent_type(cms);
283 283 if (petype)
284 284 return *petype;
285 285 return NULL;
286 286 }
287 287
288 288 int CMS_set1_eContentType(CMS_ContentInfo *cms, const ASN1_OBJECT *oid)
289 289 {
290 290 ASN1_OBJECT **petype, *etype;
291 291 petype = cms_get0_econtent_type(cms);
292 292 if (!petype)
293 293 return 0;
294 294 if (!oid)
295 295 return 1;
296 296 etype = OBJ_dup(oid);
297 297 if (!etype)
298 298 return 0;
299 299 ASN1_OBJECT_free(*petype);
300 300 *petype = etype;
301 301 return 1;
302 302 }
303 303
304 304 int CMS_is_detached(CMS_ContentInfo *cms)
305 305 {
306 306 ASN1_OCTET_STRING **pos;
307 307 pos = CMS_get0_content(cms);
308 308 if (!pos)
309 309 return -1;
310 310 if (*pos)
311 311 return 0;
312 312 return 1;
313 313 }
314 314
315 315 int CMS_set_detached(CMS_ContentInfo *cms, int detached)
316 316 {
317 317 ASN1_OCTET_STRING **pos;
318 318 pos = CMS_get0_content(cms);
319 319 if (!pos)
320 320 return 0;
321 321 if (detached)
322 322 {
323 323 if (*pos)
324 324 {
325 325 ASN1_OCTET_STRING_free(*pos);
326 326 *pos = NULL;
327 327 }
328 328 return 1;
329 329 }
330 330 if (!*pos)
331 331 *pos = ASN1_OCTET_STRING_new();
332 332 if (*pos)
333 333 {
334 334 /* NB: special flag to show content is created and not
335 335 * read in.
336 336 */
337 337 (*pos)->flags |= ASN1_STRING_FLAG_CONT;
338 338 return 1;
339 339 }
340 340 CMSerr(CMS_F_CMS_SET_DETACHED, ERR_R_MALLOC_FAILURE);
341 341 return 0;
342 342 }
343 343
344 344 /* Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD */
345 345
346 346 void cms_DigestAlgorithm_set(X509_ALGOR *alg, const EVP_MD *md)
347 347 {
348 348 int param_type;
349 349
350 350 if (md->flags & EVP_MD_FLAG_DIGALGID_ABSENT)
351 351 param_type = V_ASN1_UNDEF;
352 352 else
353 353 param_type = V_ASN1_NULL;
354 354
355 355 X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL);
356 356
357 357 }
358 358
359 359 /* Create a digest BIO from an X509_ALGOR structure */
360 360
361 361 BIO *cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm)
362 362 {
363 363 BIO *mdbio = NULL;
364 364 ASN1_OBJECT *digestoid;
365 365 const EVP_MD *digest;
366 366 X509_ALGOR_get0(&digestoid, NULL, NULL, digestAlgorithm);
367 367 digest = EVP_get_digestbyobj(digestoid);
368 368 if (!digest)
369 369 {
370 370 CMSerr(CMS_F_CMS_DIGESTALGORITHM_INIT_BIO,
371 371 CMS_R_UNKNOWN_DIGEST_ALGORIHM);
372 372 goto err;
373 373 }
374 374 mdbio = BIO_new(BIO_f_md());
375 375 if (!mdbio || !BIO_set_md(mdbio, digest))
376 376 {
377 377 CMSerr(CMS_F_CMS_DIGESTALGORITHM_INIT_BIO,
378 378 CMS_R_MD_BIO_INIT_ERROR);
379 379 goto err;
380 380 }
381 381 return mdbio;
382 382 err:
383 383 if (mdbio)
384 384 BIO_free(mdbio);
385 385 return NULL;
386 386 }
387 387
388 388 /* Locate a message digest content from a BIO chain based on SignerInfo */
389 389
390 390 int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
391 391 X509_ALGOR *mdalg)
392 392 {
393 393 int nid;
394 394 ASN1_OBJECT *mdoid;
395 395 X509_ALGOR_get0(&mdoid, NULL, NULL, mdalg);
396 396 nid = OBJ_obj2nid(mdoid);
397 397 /* Look for digest type to match signature */
398 398 for (;;)
399 399 {
400 400 EVP_MD_CTX *mtmp;
401 401 chain = BIO_find_type(chain, BIO_TYPE_MD);
402 402 if (chain == NULL)
403 403 {
404 404 CMSerr(CMS_F_CMS_DIGESTALGORITHM_FIND_CTX,
405 405 CMS_R_NO_MATCHING_DIGEST);
406 406 return 0;
407 407 }
408 408 BIO_get_md_ctx(chain, &mtmp);
409 409 if (EVP_MD_CTX_type(mtmp) == nid
410 410 /* Workaround for broken implementations that use signature
411 411 * algorithm OID instead of digest.
412 412 */
413 413 || EVP_MD_pkey_type(EVP_MD_CTX_md(mtmp)) == nid)
414 414 return EVP_MD_CTX_copy_ex(mctx, mtmp);
415 415 chain = BIO_next(chain);
416 416 }
417 417 }
418 418
419 419 static STACK_OF(CMS_CertificateChoices) **cms_get0_certificate_choices(CMS_ContentInfo *cms)
420 420 {
421 421 switch (OBJ_obj2nid(cms->contentType))
422 422 {
423 423
424 424 case NID_pkcs7_signed:
425 425 return &cms->d.signedData->certificates;
426 426
427 427 case NID_pkcs7_enveloped:
428 428 return &cms->d.envelopedData->originatorInfo->certificates;
429 429
430 430 default:
431 431 CMSerr(CMS_F_CMS_GET0_CERTIFICATE_CHOICES,
432 432 CMS_R_UNSUPPORTED_CONTENT_TYPE);
433 433 return NULL;
434 434
435 435 }
436 436 }
437 437
438 438 CMS_CertificateChoices *CMS_add0_CertificateChoices(CMS_ContentInfo *cms)
439 439 {
440 440 STACK_OF(CMS_CertificateChoices) **pcerts;
441 441 CMS_CertificateChoices *cch;
442 442 pcerts = cms_get0_certificate_choices(cms);
443 443 if (!pcerts)
444 444 return NULL;
445 445 if (!*pcerts)
446 446 *pcerts = sk_CMS_CertificateChoices_new_null();
447 447 if (!*pcerts)
448 448 return NULL;
449 449 cch = M_ASN1_new_of(CMS_CertificateChoices);
450 450 if (!cch)
451 451 return NULL;
452 452 if (!sk_CMS_CertificateChoices_push(*pcerts, cch))
453 453 {
454 454 M_ASN1_free_of(cch, CMS_CertificateChoices);
455 455 return NULL;
456 456 }
457 457 return cch;
458 458 }
459 459
460 460 int CMS_add0_cert(CMS_ContentInfo *cms, X509 *cert)
461 461 {
462 462 CMS_CertificateChoices *cch;
463 463 STACK_OF(CMS_CertificateChoices) **pcerts;
464 464 int i;
465 465 pcerts = cms_get0_certificate_choices(cms);
466 466 if (!pcerts)
467 467 return 0;
468 468 for (i = 0; i < sk_CMS_CertificateChoices_num(*pcerts); i++)
469 469 {
470 470 cch = sk_CMS_CertificateChoices_value(*pcerts, i);
471 471 if (cch->type == CMS_CERTCHOICE_CERT)
472 472 {
473 473 if (!X509_cmp(cch->d.certificate, cert))
474 474 {
475 475 CMSerr(CMS_F_CMS_ADD0_CERT,
476 476 CMS_R_CERTIFICATE_ALREADY_PRESENT);
477 477 return 0;
478 478 }
479 479 }
480 480 }
481 481 cch = CMS_add0_CertificateChoices(cms);
482 482 if (!cch)
483 483 return 0;
484 484 cch->type = CMS_CERTCHOICE_CERT;
485 485 cch->d.certificate = cert;
486 486 return 1;
487 487 }
488 488
489 489 int CMS_add1_cert(CMS_ContentInfo *cms, X509 *cert)
490 490 {
491 491 int r;
492 492 r = CMS_add0_cert(cms, cert);
493 493 if (r > 0)
494 494 CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509);
495 495 return r;
496 496 }
497 497
498 498 static STACK_OF(CMS_RevocationInfoChoice) **cms_get0_revocation_choices(CMS_ContentInfo *cms)
499 499 {
500 500 switch (OBJ_obj2nid(cms->contentType))
501 501 {
502 502
503 503 case NID_pkcs7_signed:
504 504 return &cms->d.signedData->crls;
505 505
506 506 case NID_pkcs7_enveloped:
507 507 return &cms->d.envelopedData->originatorInfo->crls;
508 508
509 509 default:
510 510 CMSerr(CMS_F_CMS_GET0_REVOCATION_CHOICES,
511 511 CMS_R_UNSUPPORTED_CONTENT_TYPE);
512 512 return NULL;
513 513
514 514 }
515 515 }
516 516
517 517 CMS_RevocationInfoChoice *CMS_add0_RevocationInfoChoice(CMS_ContentInfo *cms)
518 518 {
519 519 STACK_OF(CMS_RevocationInfoChoice) **pcrls;
520 520 CMS_RevocationInfoChoice *rch;
521 521 pcrls = cms_get0_revocation_choices(cms);
522 522 if (!pcrls)
523 523 return NULL;
524 524 if (!*pcrls)
525 525 *pcrls = sk_CMS_RevocationInfoChoice_new_null();
526 526 if (!*pcrls)
527 527 return NULL;
528 528 rch = M_ASN1_new_of(CMS_RevocationInfoChoice);
529 529 if (!rch)
530 530 return NULL;
531 531 if (!sk_CMS_RevocationInfoChoice_push(*pcrls, rch))
532 532 {
533 533 M_ASN1_free_of(rch, CMS_RevocationInfoChoice);
534 534 return NULL;
535 535 }
536 536 return rch;
537 537 }
538 538
539 539 int CMS_add0_crl(CMS_ContentInfo *cms, X509_CRL *crl)
540 540 {
541 541 CMS_RevocationInfoChoice *rch;
542 542 rch = CMS_add0_RevocationInfoChoice(cms);
543 543 if (!rch)
544 544 return 0;
545 545 rch->type = CMS_REVCHOICE_CRL;
546 546 rch->d.crl = crl;
547 547 return 1;
548 548 }
549 549
550 550 int CMS_add1_crl(CMS_ContentInfo *cms, X509_CRL *crl)
551 551 {
552 552 int r;
553 553 r = CMS_add0_crl(cms, crl);
554 554 if (r > 0)
555 555 CRYPTO_add(&crl->references, 1, CRYPTO_LOCK_X509_CRL);
556 556 return r;
557 557 }
558 558
559 559 STACK_OF(X509) *CMS_get1_certs(CMS_ContentInfo *cms)
560 560 {
561 561 STACK_OF(X509) *certs = NULL;
562 562 CMS_CertificateChoices *cch;
563 563 STACK_OF(CMS_CertificateChoices) **pcerts;
564 564 int i;
565 565 pcerts = cms_get0_certificate_choices(cms);
566 566 if (!pcerts)
567 567 return NULL;
568 568 for (i = 0; i < sk_CMS_CertificateChoices_num(*pcerts); i++)
569 569 {
570 570 cch = sk_CMS_CertificateChoices_value(*pcerts, i);
571 571 if (cch->type == 0)
572 572 {
573 573 if (!certs)
574 574 {
575 575 certs = sk_X509_new_null();
576 576 if (!certs)
577 577 return NULL;
578 578 }
579 579 if (!sk_X509_push(certs, cch->d.certificate))
580 580 {
581 581 sk_X509_pop_free(certs, X509_free);
582 582 return NULL;
583 583 }
584 584 CRYPTO_add(&cch->d.certificate->references,
585 585 1, CRYPTO_LOCK_X509);
586 586 }
587 587 }
588 588 return certs;
589 589
590 590 }
591 591
592 592 STACK_OF(X509_CRL) *CMS_get1_crls(CMS_ContentInfo *cms)
593 593 {
594 594 STACK_OF(X509_CRL) *crls = NULL;
595 595 STACK_OF(CMS_RevocationInfoChoice) **pcrls;
596 596 CMS_RevocationInfoChoice *rch;
597 597 int i;
598 598 pcrls = cms_get0_revocation_choices(cms);
599 599 if (!pcrls)
600 600 return NULL;
601 601 for (i = 0; i < sk_CMS_RevocationInfoChoice_num(*pcrls); i++)
602 602 {
603 603 rch = sk_CMS_RevocationInfoChoice_value(*pcrls, i);
604 604 if (rch->type == 0)
605 605 {
606 606 if (!crls)
607 607 {
608 608 crls = sk_X509_CRL_new_null();
609 609 if (!crls)
610 610 return NULL;
611 611 }
612 612 if (!sk_X509_CRL_push(crls, rch->d.crl))
613 613 {
614 614 sk_X509_CRL_pop_free(crls, X509_CRL_free);
615 615 return NULL;
616 616 }
617 617 CRYPTO_add(&rch->d.crl->references,
618 618 1, CRYPTO_LOCK_X509_CRL);
619 619 }
620 620 }
621 621 return crls;
622 622 }
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