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source: vbox/trunk/src/libs/openssl-3.0.7/crypto/cms/cms_lib.c@ 98024

Last change on this file since 98024 was 97372, checked in by vboxsync, 2 years ago

libs: Switch to openssl-3.0.7, bugref:10317
File size: 19.9 KB
Line 
1/*
2 * Copyright 2008-2022 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <openssl/asn1t.h>
11#include <openssl/x509v3.h>
12#include <openssl/err.h>
13#include <openssl/pem.h>
14#include <openssl/bio.h>
15#include <openssl/asn1.h>
16#include <openssl/cms.h>
17#include <openssl/cms.h>
18#include "internal/sizes.h"
19#include "crypto/x509.h"
20#include "cms_local.h"
21
22static STACK_OF(CMS_CertificateChoices)
23**cms_get0_certificate_choices(CMS_ContentInfo *cms);
24
25IMPLEMENT_ASN1_PRINT_FUNCTION(CMS_ContentInfo)
26
27CMS_ContentInfo *d2i_CMS_ContentInfo(CMS_ContentInfo **a,
28 const unsigned char **in, long len)
29{
30 CMS_ContentInfo *ci;
31 const CMS_CTX *ctx = ossl_cms_get0_cmsctx(a == NULL ? NULL : *a);
32
33 ci = (CMS_ContentInfo *)ASN1_item_d2i_ex((ASN1_VALUE **)a, in, len,
34 (CMS_ContentInfo_it()),
35 ossl_cms_ctx_get0_libctx(ctx),
36 ossl_cms_ctx_get0_propq(ctx));
37 if (ci != NULL) {
38 ERR_set_mark();
39 ossl_cms_resolve_libctx(ci);
40 ERR_pop_to_mark();
41 }
42 return ci;
43}
44
45int i2d_CMS_ContentInfo(const CMS_ContentInfo *a, unsigned char **out)
46{
47 return ASN1_item_i2d((const ASN1_VALUE *)a, out, (CMS_ContentInfo_it()));
48}
49
50CMS_ContentInfo *CMS_ContentInfo_new_ex(OSSL_LIB_CTX *libctx, const char *propq)
51{
52 CMS_ContentInfo *ci;
53
54 ci = (CMS_ContentInfo *)ASN1_item_new_ex(ASN1_ITEM_rptr(CMS_ContentInfo),
55 libctx, propq);
56 if (ci != NULL) {
57 ci->ctx.libctx = libctx;
58 ci->ctx.propq = NULL;
59 if (propq != NULL) {
60 ci->ctx.propq = OPENSSL_strdup(propq);
61 if (ci->ctx.propq == NULL) {
62 CMS_ContentInfo_free(ci);
63 ci = NULL;
64 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
65 }
66 }
67 }
68 return ci;
69}
70
71CMS_ContentInfo *CMS_ContentInfo_new(void)
72{
73 return CMS_ContentInfo_new_ex(NULL, NULL);
74}
75
76void CMS_ContentInfo_free(CMS_ContentInfo *cms)
77{
78 if (cms != NULL) {
79 OPENSSL_free(cms->ctx.propq);
80 ASN1_item_free((ASN1_VALUE *)cms, ASN1_ITEM_rptr(CMS_ContentInfo));
81 }
82}
83
84const CMS_CTX *ossl_cms_get0_cmsctx(const CMS_ContentInfo *cms)
85{
86 return cms != NULL ? &cms->ctx : NULL;
87}
88
89OSSL_LIB_CTX *ossl_cms_ctx_get0_libctx(const CMS_CTX *ctx)
90{
91 return ctx != NULL ? ctx->libctx : NULL;
92}
93
94const char *ossl_cms_ctx_get0_propq(const CMS_CTX *ctx)
95{
96 return ctx != NULL ? ctx->propq : NULL;
97}
98
99void ossl_cms_resolve_libctx(CMS_ContentInfo *ci)
100{
101 int i;
102 CMS_CertificateChoices *cch;
103 STACK_OF(CMS_CertificateChoices) **pcerts;
104 const CMS_CTX *ctx = ossl_cms_get0_cmsctx(ci);
105 OSSL_LIB_CTX *libctx = ossl_cms_ctx_get0_libctx(ctx);
106 const char *propq = ossl_cms_ctx_get0_propq(ctx);
107
108 ossl_cms_SignerInfos_set_cmsctx(ci);
109 ossl_cms_RecipientInfos_set_cmsctx(ci);
110
111 pcerts = cms_get0_certificate_choices(ci);
112 if (pcerts != NULL) {
113 for (i = 0; i < sk_CMS_CertificateChoices_num(*pcerts); i++) {
114 cch = sk_CMS_CertificateChoices_value(*pcerts, i);
115 if (cch->type == CMS_CERTCHOICE_CERT)
116 ossl_x509_set0_libctx(cch->d.certificate, libctx, propq);
117 }
118 }
119}
120
121const ASN1_OBJECT *CMS_get0_type(const CMS_ContentInfo *cms)
122{
123 return cms->contentType;
124}
125
126CMS_ContentInfo *ossl_cms_Data_create(OSSL_LIB_CTX *libctx, const char *propq)
127{
128 CMS_ContentInfo *cms = CMS_ContentInfo_new_ex(libctx, propq);
129
130 if (cms != NULL) {
131 cms->contentType = OBJ_nid2obj(NID_pkcs7_data);
132 /* Never detached */
133 CMS_set_detached(cms, 0);
134 }
135 return cms;
136}
137
138BIO *ossl_cms_content_bio(CMS_ContentInfo *cms)
139{
140 ASN1_OCTET_STRING **pos = CMS_get0_content(cms);
141
142 if (pos == NULL)
143 return NULL;
144 /* If content detached data goes nowhere: create NULL BIO */
145 if (*pos == NULL)
146 return BIO_new(BIO_s_null());
147 /*
148 * If content not detached and created return memory BIO
149 */
150 if (*pos == NULL || ((*pos)->flags == ASN1_STRING_FLAG_CONT))
151 return BIO_new(BIO_s_mem());
152 /* Else content was read in: return read only BIO for it */
153 return BIO_new_mem_buf((*pos)->data, (*pos)->length);
154}
155
156BIO *CMS_dataInit(CMS_ContentInfo *cms, BIO *icont)
157{
158 BIO *cmsbio, *cont;
159 if (icont)
160 cont = icont;
161 else
162 cont = ossl_cms_content_bio(cms);
163 if (!cont) {
164 ERR_raise(ERR_LIB_CMS, CMS_R_NO_CONTENT);
165 return NULL;
166 }
167 switch (OBJ_obj2nid(cms->contentType)) {
168
169 case NID_pkcs7_data:
170 return cont;
171
172 case NID_pkcs7_signed:
173 cmsbio = ossl_cms_SignedData_init_bio(cms);
174 break;
175
176 case NID_pkcs7_digest:
177 cmsbio = ossl_cms_DigestedData_init_bio(cms);
178 break;
179#ifdef ZLIB
180 case NID_id_smime_ct_compressedData:
181 cmsbio = ossl_cms_CompressedData_init_bio(cms);
182 break;
183#endif
184
185 case NID_pkcs7_encrypted:
186 cmsbio = ossl_cms_EncryptedData_init_bio(cms);
187 break;
188
189 case NID_pkcs7_enveloped:
190 cmsbio = ossl_cms_EnvelopedData_init_bio(cms);
191 break;
192
193 case NID_id_smime_ct_authEnvelopedData:
194 cmsbio = ossl_cms_AuthEnvelopedData_init_bio(cms);
195 break;
196
197 default:
198 ERR_raise(ERR_LIB_CMS, CMS_R_UNSUPPORTED_TYPE);
199 goto err;
200 }
201
202 if (cmsbio)
203 return BIO_push(cmsbio, cont);
204err:
205 if (!icont)
206 BIO_free(cont);
207 return NULL;
208
209}
210
211/* unfortunately cannot constify SMIME_write_ASN1() due to this function */
212int CMS_dataFinal(CMS_ContentInfo *cms, BIO *cmsbio)
213{
214 ASN1_OCTET_STRING **pos = CMS_get0_content(cms);
215
216 if (pos == NULL)
217 return 0;
218 /* If embedded content find memory BIO and set content */
219 if (*pos && ((*pos)->flags & ASN1_STRING_FLAG_CONT)) {
220 BIO *mbio;
221 unsigned char *cont;
222 long contlen;
223 mbio = BIO_find_type(cmsbio, BIO_TYPE_MEM);
224 if (!mbio) {
225 ERR_raise(ERR_LIB_CMS, CMS_R_CONTENT_NOT_FOUND);
226 return 0;
227 }
228 contlen = BIO_get_mem_data(mbio, &cont);
229 /* Set bio as read only so its content can't be clobbered */
230 BIO_set_flags(mbio, BIO_FLAGS_MEM_RDONLY);
231 BIO_set_mem_eof_return(mbio, 0);
232 ASN1_STRING_set0(*pos, cont, contlen);
233 (*pos)->flags &= ~ASN1_STRING_FLAG_CONT;
234 }
235
236 switch (OBJ_obj2nid(cms->contentType)) {
237
238 case NID_pkcs7_data:
239 case NID_pkcs7_encrypted:
240 case NID_id_smime_ct_compressedData:
241 /* Nothing to do */
242 return 1;
243
244 case NID_pkcs7_enveloped:
245 return ossl_cms_EnvelopedData_final(cms, cmsbio);
246
247 case NID_id_smime_ct_authEnvelopedData:
248 return ossl_cms_AuthEnvelopedData_final(cms, cmsbio);
249
250 case NID_pkcs7_signed:
251 return ossl_cms_SignedData_final(cms, cmsbio);
252
253 case NID_pkcs7_digest:
254 return ossl_cms_DigestedData_do_final(cms, cmsbio, 0);
255
256 default:
257 ERR_raise(ERR_LIB_CMS, CMS_R_UNSUPPORTED_TYPE);
258 return 0;
259 }
260}
261
262/*
263 * Return an OCTET STRING pointer to content. This allows it to be accessed
264 * or set later.
265 */
266
267ASN1_OCTET_STRING **CMS_get0_content(CMS_ContentInfo *cms)
268{
269 switch (OBJ_obj2nid(cms->contentType)) {
270
271 case NID_pkcs7_data:
272 return &cms->d.data;
273
274 case NID_pkcs7_signed:
275 return &cms->d.signedData->encapContentInfo->eContent;
276
277 case NID_pkcs7_enveloped:
278 return &cms->d.envelopedData->encryptedContentInfo->encryptedContent;
279
280 case NID_pkcs7_digest:
281 return &cms->d.digestedData->encapContentInfo->eContent;
282
283 case NID_pkcs7_encrypted:
284 return &cms->d.encryptedData->encryptedContentInfo->encryptedContent;
285
286 case NID_id_smime_ct_authEnvelopedData:
287 return &cms->d.authEnvelopedData->authEncryptedContentInfo
288 ->encryptedContent;
289
290 case NID_id_smime_ct_authData:
291 return &cms->d.authenticatedData->encapContentInfo->eContent;
292
293 case NID_id_smime_ct_compressedData:
294 return &cms->d.compressedData->encapContentInfo->eContent;
295
296 default:
297 if (cms->d.other->type == V_ASN1_OCTET_STRING)
298 return &cms->d.other->value.octet_string;
299 ERR_raise(ERR_LIB_CMS, CMS_R_UNSUPPORTED_CONTENT_TYPE);
300 return NULL;
301
302 }
303}
304
305/*
306 * Return an ASN1_OBJECT pointer to content type. This allows it to be
307 * accessed or set later.
308 */
309
310static ASN1_OBJECT **cms_get0_econtent_type(CMS_ContentInfo *cms)
311{
312 switch (OBJ_obj2nid(cms->contentType)) {
313
314 case NID_pkcs7_signed:
315 return &cms->d.signedData->encapContentInfo->eContentType;
316
317 case NID_pkcs7_enveloped:
318 return &cms->d.envelopedData->encryptedContentInfo->contentType;
319
320 case NID_pkcs7_digest:
321 return &cms->d.digestedData->encapContentInfo->eContentType;
322
323 case NID_pkcs7_encrypted:
324 return &cms->d.encryptedData->encryptedContentInfo->contentType;
325
326 case NID_id_smime_ct_authEnvelopedData:
327 return &cms->d.authEnvelopedData->authEncryptedContentInfo
328 ->contentType;
329 case NID_id_smime_ct_authData:
330 return &cms->d.authenticatedData->encapContentInfo->eContentType;
331
332 case NID_id_smime_ct_compressedData:
333 return &cms->d.compressedData->encapContentInfo->eContentType;
334
335 default:
336 ERR_raise(ERR_LIB_CMS, CMS_R_UNSUPPORTED_CONTENT_TYPE);
337 return NULL;
338
339 }
340}
341
342const ASN1_OBJECT *CMS_get0_eContentType(CMS_ContentInfo *cms)
343{
344 ASN1_OBJECT **petype;
345 petype = cms_get0_econtent_type(cms);
346 if (petype)
347 return *petype;
348 return NULL;
349}
350
351int CMS_set1_eContentType(CMS_ContentInfo *cms, const ASN1_OBJECT *oid)
352{
353 ASN1_OBJECT **petype, *etype;
354
355 petype = cms_get0_econtent_type(cms);
356 if (petype == NULL)
357 return 0;
358 if (oid == NULL)
359 return 1;
360 etype = OBJ_dup(oid);
361 if (etype == NULL)
362 return 0;
363 ASN1_OBJECT_free(*petype);
364 *petype = etype;
365 return 1;
366}
367
368int CMS_is_detached(CMS_ContentInfo *cms)
369{
370 ASN1_OCTET_STRING **pos;
371
372 pos = CMS_get0_content(cms);
373 if (pos == NULL)
374 return -1;
375 if (*pos != NULL)
376 return 0;
377 return 1;
378}
379
380int CMS_set_detached(CMS_ContentInfo *cms, int detached)
381{
382 ASN1_OCTET_STRING **pos;
383
384 pos = CMS_get0_content(cms);
385 if (pos == NULL)
386 return 0;
387 if (detached) {
388 ASN1_OCTET_STRING_free(*pos);
389 *pos = NULL;
390 return 1;
391 }
392 if (*pos == NULL)
393 *pos = ASN1_OCTET_STRING_new();
394 if (*pos != NULL) {
395 /*
396 * NB: special flag to show content is created and not read in.
397 */
398 (*pos)->flags |= ASN1_STRING_FLAG_CONT;
399 return 1;
400 }
401 ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE);
402 return 0;
403}
404
405/* Create a digest BIO from an X509_ALGOR structure */
406
407BIO *ossl_cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm,
408 const CMS_CTX *ctx)
409{
410 BIO *mdbio = NULL;
411 const ASN1_OBJECT *digestoid;
412 const EVP_MD *digest = NULL;
413 EVP_MD *fetched_digest = NULL;
414 char alg[OSSL_MAX_NAME_SIZE];
415
416 X509_ALGOR_get0(&digestoid, NULL, NULL, digestAlgorithm);
417 OBJ_obj2txt(alg, sizeof(alg), digestoid, 0);
418
419 (void)ERR_set_mark();
420 fetched_digest = EVP_MD_fetch(ossl_cms_ctx_get0_libctx(ctx), alg,
421 ossl_cms_ctx_get0_propq(ctx));
422
423 if (fetched_digest != NULL)
424 digest = fetched_digest;
425 else
426 digest = EVP_get_digestbyobj(digestoid);
427 if (digest == NULL) {
428 (void)ERR_clear_last_mark();
429 ERR_raise(ERR_LIB_CMS, CMS_R_UNKNOWN_DIGEST_ALGORITHM);
430 goto err;
431 }
432 (void)ERR_pop_to_mark();
433
434 mdbio = BIO_new(BIO_f_md());
435 if (mdbio == NULL || !BIO_set_md(mdbio, digest)) {
436 ERR_raise(ERR_LIB_CMS, CMS_R_MD_BIO_INIT_ERROR);
437 goto err;
438 }
439 EVP_MD_free(fetched_digest);
440 return mdbio;
441 err:
442 EVP_MD_free(fetched_digest);
443 BIO_free(mdbio);
444 return NULL;
445}
446
447/* Locate a message digest content from a BIO chain based on SignerInfo */
448
449int ossl_cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
450 X509_ALGOR *mdalg)
451{
452 int nid;
453 const ASN1_OBJECT *mdoid;
454 X509_ALGOR_get0(&mdoid, NULL, NULL, mdalg);
455 nid = OBJ_obj2nid(mdoid);
456 /* Look for digest type to match signature */
457 for (;;) {
458 EVP_MD_CTX *mtmp;
459 chain = BIO_find_type(chain, BIO_TYPE_MD);
460 if (chain == NULL) {
461 ERR_raise(ERR_LIB_CMS, CMS_R_NO_MATCHING_DIGEST);
462 return 0;
463 }
464 BIO_get_md_ctx(chain, &mtmp);
465 if (EVP_MD_CTX_get_type(mtmp) == nid
466 /*
467 * Workaround for broken implementations that use signature
468 * algorithm OID instead of digest.
469 */
470 || EVP_MD_get_pkey_type(EVP_MD_CTX_get0_md(mtmp)) == nid)
471 return EVP_MD_CTX_copy_ex(mctx, mtmp);
472 chain = BIO_next(chain);
473 }
474}
475
476static STACK_OF(CMS_CertificateChoices)
477**cms_get0_certificate_choices(CMS_ContentInfo *cms)
478{
479 switch (OBJ_obj2nid(cms->contentType)) {
480
481 case NID_pkcs7_signed:
482 return &cms->d.signedData->certificates;
483
484 case NID_pkcs7_enveloped:
485 if (cms->d.envelopedData->originatorInfo == NULL)
486 return NULL;
487 return &cms->d.envelopedData->originatorInfo->certificates;
488
489 case NID_id_smime_ct_authEnvelopedData:
490 if (cms->d.authEnvelopedData->originatorInfo == NULL)
491 return NULL;
492 return &cms->d.authEnvelopedData->originatorInfo->certificates;
493
494 default:
495 ERR_raise(ERR_LIB_CMS, CMS_R_UNSUPPORTED_CONTENT_TYPE);
496 return NULL;
497
498 }
499}
500
501CMS_CertificateChoices *CMS_add0_CertificateChoices(CMS_ContentInfo *cms)
502{
503 STACK_OF(CMS_CertificateChoices) **pcerts;
504 CMS_CertificateChoices *cch;
505
506 pcerts = cms_get0_certificate_choices(cms);
507 if (pcerts == NULL)
508 return NULL;
509 if (*pcerts == NULL)
510 *pcerts = sk_CMS_CertificateChoices_new_null();
511 if (*pcerts == NULL)
512 return NULL;
513 cch = M_ASN1_new_of(CMS_CertificateChoices);
514 if (!cch)
515 return NULL;
516 if (!sk_CMS_CertificateChoices_push(*pcerts, cch)) {
517 M_ASN1_free_of(cch, CMS_CertificateChoices);
518 return NULL;
519 }
520 return cch;
521}
522
523int CMS_add0_cert(CMS_ContentInfo *cms, X509 *cert)
524{
525 CMS_CertificateChoices *cch;
526 STACK_OF(CMS_CertificateChoices) **pcerts;
527 int i;
528
529 pcerts = cms_get0_certificate_choices(cms);
530 if (pcerts == NULL)
531 return 0;
532 for (i = 0; i < sk_CMS_CertificateChoices_num(*pcerts); i++) {
533 cch = sk_CMS_CertificateChoices_value(*pcerts, i);
534 if (cch->type == CMS_CERTCHOICE_CERT) {
535 if (!X509_cmp(cch->d.certificate, cert)) {
536 ERR_raise(ERR_LIB_CMS, CMS_R_CERTIFICATE_ALREADY_PRESENT);
537 return 0;
538 }
539 }
540 }
541 cch = CMS_add0_CertificateChoices(cms);
542 if (!cch)
543 return 0;
544 cch->type = CMS_CERTCHOICE_CERT;
545 cch->d.certificate = cert;
546 return 1;
547}
548
549int CMS_add1_cert(CMS_ContentInfo *cms, X509 *cert)
550{
551 int r;
552 r = CMS_add0_cert(cms, cert);
553 if (r > 0)
554 X509_up_ref(cert);
555 return r;
556}
557
558static STACK_OF(CMS_RevocationInfoChoice)
559**cms_get0_revocation_choices(CMS_ContentInfo *cms)
560{
561 switch (OBJ_obj2nid(cms->contentType)) {
562
563 case NID_pkcs7_signed:
564 return &cms->d.signedData->crls;
565
566 case NID_pkcs7_enveloped:
567 if (cms->d.envelopedData->originatorInfo == NULL)
568 return NULL;
569 return &cms->d.envelopedData->originatorInfo->crls;
570
571 case NID_id_smime_ct_authEnvelopedData:
572 if (cms->d.authEnvelopedData->originatorInfo == NULL)
573 return NULL;
574 return &cms->d.authEnvelopedData->originatorInfo->crls;
575
576 default:
577 ERR_raise(ERR_LIB_CMS, CMS_R_UNSUPPORTED_CONTENT_TYPE);
578 return NULL;
579
580 }
581}
582
583CMS_RevocationInfoChoice *CMS_add0_RevocationInfoChoice(CMS_ContentInfo *cms)
584{
585 STACK_OF(CMS_RevocationInfoChoice) **pcrls;
586 CMS_RevocationInfoChoice *rch;
587
588 pcrls = cms_get0_revocation_choices(cms);
589 if (pcrls == NULL)
590 return NULL;
591 if (*pcrls == NULL)
592 *pcrls = sk_CMS_RevocationInfoChoice_new_null();
593 if (*pcrls == NULL)
594 return NULL;
595 rch = M_ASN1_new_of(CMS_RevocationInfoChoice);
596 if (rch == NULL)
597 return NULL;
598 if (!sk_CMS_RevocationInfoChoice_push(*pcrls, rch)) {
599 M_ASN1_free_of(rch, CMS_RevocationInfoChoice);
600 return NULL;
601 }
602 return rch;
603}
604
605int CMS_add0_crl(CMS_ContentInfo *cms, X509_CRL *crl)
606{
607 CMS_RevocationInfoChoice *rch;
608 rch = CMS_add0_RevocationInfoChoice(cms);
609 if (!rch)
610 return 0;
611 rch->type = CMS_REVCHOICE_CRL;
612 rch->d.crl = crl;
613 return 1;
614}
615
616int CMS_add1_crl(CMS_ContentInfo *cms, X509_CRL *crl)
617{
618 int r;
619 r = CMS_add0_crl(cms, crl);
620 if (r > 0)
621 X509_CRL_up_ref(crl);
622 return r;
623}
624
625STACK_OF(X509) *CMS_get1_certs(CMS_ContentInfo *cms)
626{
627 STACK_OF(X509) *certs = NULL;
628 CMS_CertificateChoices *cch;
629 STACK_OF(CMS_CertificateChoices) **pcerts;
630 int i;
631
632 pcerts = cms_get0_certificate_choices(cms);
633 if (pcerts == NULL)
634 return NULL;
635 for (i = 0; i < sk_CMS_CertificateChoices_num(*pcerts); i++) {
636 cch = sk_CMS_CertificateChoices_value(*pcerts, i);
637 if (cch->type == 0) {
638 if (!ossl_x509_add_cert_new(&certs, cch->d.certificate,
639 X509_ADD_FLAG_UP_REF)) {
640 sk_X509_pop_free(certs, X509_free);
641 return NULL;
642 }
643 }
644 }
645 return certs;
646
647}
648
649STACK_OF(X509_CRL) *CMS_get1_crls(CMS_ContentInfo *cms)
650{
651 STACK_OF(X509_CRL) *crls = NULL;
652 STACK_OF(CMS_RevocationInfoChoice) **pcrls;
653 CMS_RevocationInfoChoice *rch;
654 int i;
655
656 pcrls = cms_get0_revocation_choices(cms);
657 if (pcrls == NULL)
658 return NULL;
659 for (i = 0; i < sk_CMS_RevocationInfoChoice_num(*pcrls); i++) {
660 rch = sk_CMS_RevocationInfoChoice_value(*pcrls, i);
661 if (rch->type == 0) {
662 if (!crls) {
663 crls = sk_X509_CRL_new_null();
664 if (!crls)
665 return NULL;
666 }
667 if (!sk_X509_CRL_push(crls, rch->d.crl)) {
668 sk_X509_CRL_pop_free(crls, X509_CRL_free);
669 return NULL;
670 }
671 X509_CRL_up_ref(rch->d.crl);
672 }
673 }
674 return crls;
675}
676
677int ossl_cms_ias_cert_cmp(CMS_IssuerAndSerialNumber *ias, X509 *cert)
678{
679 int ret;
680 ret = X509_NAME_cmp(ias->issuer, X509_get_issuer_name(cert));
681 if (ret)
682 return ret;
683 return ASN1_INTEGER_cmp(ias->serialNumber, X509_get0_serialNumber(cert));
684}
685
686int ossl_cms_keyid_cert_cmp(ASN1_OCTET_STRING *keyid, X509 *cert)
687{
688 const ASN1_OCTET_STRING *cert_keyid = X509_get0_subject_key_id(cert);
689
690 if (cert_keyid == NULL)
691 return -1;
692 return ASN1_OCTET_STRING_cmp(keyid, cert_keyid);
693}
694
695int ossl_cms_set1_ias(CMS_IssuerAndSerialNumber **pias, X509 *cert)
696{
697 CMS_IssuerAndSerialNumber *ias;
698 ias = M_ASN1_new_of(CMS_IssuerAndSerialNumber);
699 if (!ias)
700 goto err;
701 if (!X509_NAME_set(&ias->issuer, X509_get_issuer_name(cert)))
702 goto err;
703 if (!ASN1_STRING_copy(ias->serialNumber, X509_get0_serialNumber(cert)))
704 goto err;
705 M_ASN1_free_of(*pias, CMS_IssuerAndSerialNumber);
706 *pias = ias;
707 return 1;
708 err:
709 M_ASN1_free_of(ias, CMS_IssuerAndSerialNumber);
710 ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE);
711 return 0;
712}
713
714int ossl_cms_set1_keyid(ASN1_OCTET_STRING **pkeyid, X509 *cert)
715{
716 ASN1_OCTET_STRING *keyid = NULL;
717 const ASN1_OCTET_STRING *cert_keyid;
718 cert_keyid = X509_get0_subject_key_id(cert);
719 if (cert_keyid == NULL) {
720 ERR_raise(ERR_LIB_CMS, CMS_R_CERTIFICATE_HAS_NO_KEYID);
721 return 0;
722 }
723 keyid = ASN1_STRING_dup(cert_keyid);
724 if (!keyid) {
725 ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE);
726 return 0;
727 }
728 ASN1_OCTET_STRING_free(*pkeyid);
729 *pkeyid = keyid;
730 return 1;
731}
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