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-rw-r--r--src/lib/libcrypto/cms/cms_lib.c627
1 files changed, 0 insertions, 627 deletions
diff --git a/src/lib/libcrypto/cms/cms_lib.c b/src/lib/libcrypto/cms/cms_lib.c
deleted file mode 100644
index d00fe0f87b..0000000000
--- a/src/lib/libcrypto/cms/cms_lib.c
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@@ -1,627 +0,0 @@
1/* crypto/cms/cms_lib.c */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project.
4 */
5/* ====================================================================
6 * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 */
53
54#include <openssl/asn1t.h>
55#include <openssl/x509.h>
56#include <openssl/err.h>
57#include <openssl/pem.h>
58#include <openssl/bio.h>
59#include <openssl/asn1.h>
60#include "cms.h"
61#include "cms_lcl.h"
62
63IMPLEMENT_ASN1_FUNCTIONS(CMS_ContentInfo)
64IMPLEMENT_ASN1_PRINT_FUNCTION(CMS_ContentInfo)
65
66DECLARE_ASN1_ITEM(CMS_CertificateChoices)
67DECLARE_ASN1_ITEM(CMS_RevocationInfoChoice)
68DECLARE_STACK_OF(CMS_CertificateChoices)
69DECLARE_STACK_OF(CMS_RevocationInfoChoice)
70
71const ASN1_OBJECT *CMS_get0_type(CMS_ContentInfo *cms)
72 {
73 return cms->contentType;
74 }
75
76CMS_ContentInfo *cms_Data_create(void)
77 {
78 CMS_ContentInfo *cms;
79 cms = CMS_ContentInfo_new();
80 if (cms)
81 {
82 cms->contentType = OBJ_nid2obj(NID_pkcs7_data);
83 /* Never detached */
84 CMS_set_detached(cms, 0);
85 }
86 return cms;
87 }
88
89BIO *cms_content_bio(CMS_ContentInfo *cms)
90 {
91 ASN1_OCTET_STRING **pos = CMS_get0_content(cms);
92 if (!pos)
93 return NULL;
94 /* If content detached data goes nowhere: create NULL BIO */
95 if (!*pos)
96 return BIO_new(BIO_s_null());
97 /* If content not detached and created return memory BIO
98 */
99 if (!*pos || ((*pos)->flags == ASN1_STRING_FLAG_CONT))
100 return BIO_new(BIO_s_mem());
101 /* Else content was read in: return read only BIO for it */
102 return BIO_new_mem_buf((*pos)->data, (*pos)->length);
103 }
104
105BIO *CMS_dataInit(CMS_ContentInfo *cms, BIO *icont)
106 {
107 BIO *cmsbio, *cont;
108 if (icont)
109 cont = icont;
110 else
111 cont = cms_content_bio(cms);
112 if (!cont)
113 {
114 CMSerr(CMS_F_CMS_DATAINIT, CMS_R_NO_CONTENT);
115 return NULL;
116 }
117 switch (OBJ_obj2nid(cms->contentType))
118 {
119
120 case NID_pkcs7_data:
121 return cont;
122
123 case NID_pkcs7_signed:
124 cmsbio = cms_SignedData_init_bio(cms);
125 break;
126
127 case NID_pkcs7_digest:
128 cmsbio = cms_DigestedData_init_bio(cms);
129 break;
130#ifdef ZLIB
131 case NID_id_smime_ct_compressedData:
132 cmsbio = cms_CompressedData_init_bio(cms);
133 break;
134#endif
135
136 case NID_pkcs7_encrypted:
137 cmsbio = cms_EncryptedData_init_bio(cms);
138 break;
139
140 case NID_pkcs7_enveloped:
141 cmsbio = cms_EnvelopedData_init_bio(cms);
142 break;
143
144 default:
145 CMSerr(CMS_F_CMS_DATAINIT, CMS_R_UNSUPPORTED_TYPE);
146 return NULL;
147 }
148
149 if (cmsbio)
150 return BIO_push(cmsbio, cont);
151
152 if (!icont)
153 BIO_free(cont);
154 return NULL;
155
156 }
157
158int CMS_dataFinal(CMS_ContentInfo *cms, BIO *cmsbio)
159 {
160 ASN1_OCTET_STRING **pos = CMS_get0_content(cms);
161 if (!pos)
162 return 0;
163 /* If ebmedded content find memory BIO and set content */
164 if (*pos && ((*pos)->flags & ASN1_STRING_FLAG_CONT))
165 {
166 BIO *mbio;
167 unsigned char *cont;
168 long contlen;
169 mbio = BIO_find_type(cmsbio, BIO_TYPE_MEM);
170 if (!mbio)
171 {
172 CMSerr(CMS_F_CMS_DATAFINAL, CMS_R_CONTENT_NOT_FOUND);
173 return 0;
174 }
175 contlen = BIO_get_mem_data(mbio, &cont);
176 /* Set bio as read only so its content can't be clobbered */
177 BIO_set_flags(mbio, BIO_FLAGS_MEM_RDONLY);
178 BIO_set_mem_eof_return(mbio, 0);
179 ASN1_STRING_set0(*pos, cont, contlen);
180 (*pos)->flags &= ~ASN1_STRING_FLAG_CONT;
181 }
182
183 switch (OBJ_obj2nid(cms->contentType))
184 {
185
186 case NID_pkcs7_data:
187 case NID_pkcs7_enveloped:
188 case NID_pkcs7_encrypted:
189 case NID_id_smime_ct_compressedData:
190 /* Nothing to do */
191 return 1;
192
193 case NID_pkcs7_signed:
194 return cms_SignedData_final(cms, cmsbio);
195
196 case NID_pkcs7_digest:
197 return cms_DigestedData_do_final(cms, cmsbio, 0);
198
199 default:
200 CMSerr(CMS_F_CMS_DATAFINAL, CMS_R_UNSUPPORTED_TYPE);
201 return 0;
202 }
203 }
204
205/* Return an OCTET STRING pointer to content. This allows it to
206 * be accessed or set later.
207 */
208
209ASN1_OCTET_STRING **CMS_get0_content(CMS_ContentInfo *cms)
210 {
211 switch (OBJ_obj2nid(cms->contentType))
212 {
213
214 case NID_pkcs7_data:
215 return &cms->d.data;
216
217 case NID_pkcs7_signed:
218 return &cms->d.signedData->encapContentInfo->eContent;
219
220 case NID_pkcs7_enveloped:
221 return &cms->d.envelopedData->encryptedContentInfo->encryptedContent;
222
223 case NID_pkcs7_digest:
224 return &cms->d.digestedData->encapContentInfo->eContent;
225
226 case NID_pkcs7_encrypted:
227 return &cms->d.encryptedData->encryptedContentInfo->encryptedContent;
228
229 case NID_id_smime_ct_authData:
230 return &cms->d.authenticatedData->encapContentInfo->eContent;
231
232 case NID_id_smime_ct_compressedData:
233 return &cms->d.compressedData->encapContentInfo->eContent;
234
235 default:
236 if (cms->d.other->type == V_ASN1_OCTET_STRING)
237 return &cms->d.other->value.octet_string;
238 CMSerr(CMS_F_CMS_GET0_CONTENT, CMS_R_UNSUPPORTED_CONTENT_TYPE);
239 return NULL;
240
241 }
242 }
243
244/* Return an ASN1_OBJECT pointer to content type. This allows it to
245 * be accessed or set later.
246 */
247
248static ASN1_OBJECT **cms_get0_econtent_type(CMS_ContentInfo *cms)
249 {
250 switch (OBJ_obj2nid(cms->contentType))
251 {
252
253 case NID_pkcs7_signed:
254 return &cms->d.signedData->encapContentInfo->eContentType;
255
256 case NID_pkcs7_enveloped:
257 return &cms->d.envelopedData->encryptedContentInfo->contentType;
258
259 case NID_pkcs7_digest:
260 return &cms->d.digestedData->encapContentInfo->eContentType;
261
262 case NID_pkcs7_encrypted:
263 return &cms->d.encryptedData->encryptedContentInfo->contentType;
264
265 case NID_id_smime_ct_authData:
266 return &cms->d.authenticatedData->encapContentInfo->eContentType;
267
268 case NID_id_smime_ct_compressedData:
269 return &cms->d.compressedData->encapContentInfo->eContentType;
270
271 default:
272 CMSerr(CMS_F_CMS_GET0_ECONTENT_TYPE,
273 CMS_R_UNSUPPORTED_CONTENT_TYPE);
274 return NULL;
275
276 }
277 }
278
279const ASN1_OBJECT *CMS_get0_eContentType(CMS_ContentInfo *cms)
280 {
281 ASN1_OBJECT **petype;
282 petype = cms_get0_econtent_type(cms);
283 if (petype)
284 return *petype;
285 return NULL;
286 }
287
288int CMS_set1_eContentType(CMS_ContentInfo *cms, const ASN1_OBJECT *oid)
289 {
290 ASN1_OBJECT **petype, *etype;
291 petype = cms_get0_econtent_type(cms);
292 if (!petype)
293 return 0;
294 if (!oid)
295 return 1;
296 etype = OBJ_dup(oid);
297 if (!etype)
298 return 0;
299 ASN1_OBJECT_free(*petype);
300 *petype = etype;
301 return 1;
302 }
303
304int CMS_is_detached(CMS_ContentInfo *cms)
305 {
306 ASN1_OCTET_STRING **pos;
307 pos = CMS_get0_content(cms);
308 if (!pos)
309 return -1;
310 if (*pos)
311 return 0;
312 return 1;
313 }
314
315int CMS_set_detached(CMS_ContentInfo *cms, int detached)
316 {
317 ASN1_OCTET_STRING **pos;
318 pos = CMS_get0_content(cms);
319 if (!pos)
320 return 0;
321 if (detached)
322 {
323 if (*pos)
324 {
325 ASN1_OCTET_STRING_free(*pos);
326 *pos = NULL;
327 }
328 return 1;
329 }
330 if (!*pos)
331 *pos = ASN1_OCTET_STRING_new();
332 if (*pos)
333 {
334 /* NB: special flag to show content is created and not
335 * read in.
336 */
337 (*pos)->flags |= ASN1_STRING_FLAG_CONT;
338 return 1;
339 }
340 CMSerr(CMS_F_CMS_SET_DETACHED, ERR_R_MALLOC_FAILURE);
341 return 0;
342 }
343
344/* Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD */
345
346void cms_DigestAlgorithm_set(X509_ALGOR *alg, const EVP_MD *md)
347 {
348 int param_type;
349
350 if (md->flags & EVP_MD_FLAG_DIGALGID_ABSENT)
351 param_type = V_ASN1_UNDEF;
352 else
353 param_type = V_ASN1_NULL;
354
355 X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL);
356
357 }
358
359/* Create a digest BIO from an X509_ALGOR structure */
360
361BIO *cms_DigestAlgorithm_init_bio(X509_ALGOR *digestAlgorithm)
362 {
363 BIO *mdbio = NULL;
364 ASN1_OBJECT *digestoid;
365 const EVP_MD *digest;
366 X509_ALGOR_get0(&digestoid, NULL, NULL, digestAlgorithm);
367 digest = EVP_get_digestbyobj(digestoid);
368 if (!digest)
369 {
370 CMSerr(CMS_F_CMS_DIGESTALGORITHM_INIT_BIO,
371 CMS_R_UNKNOWN_DIGEST_ALGORIHM);
372 goto err;
373 }
374 mdbio = BIO_new(BIO_f_md());
375 if (!mdbio || !BIO_set_md(mdbio, digest))
376 {
377 CMSerr(CMS_F_CMS_DIGESTALGORITHM_INIT_BIO,
378 CMS_R_MD_BIO_INIT_ERROR);
379 goto err;
380 }
381 return mdbio;
382 err:
383 if (mdbio)
384 BIO_free(mdbio);
385 return NULL;
386 }
387
388/* Locate a message digest content from a BIO chain based on SignerInfo */
389
390int cms_DigestAlgorithm_find_ctx(EVP_MD_CTX *mctx, BIO *chain,
391 X509_ALGOR *mdalg)
392 {
393 int nid;
394 ASN1_OBJECT *mdoid;
395 X509_ALGOR_get0(&mdoid, NULL, NULL, mdalg);
396 nid = OBJ_obj2nid(mdoid);
397 /* Look for digest type to match signature */
398 for (;;)
399 {
400 EVP_MD_CTX *mtmp;
401 chain = BIO_find_type(chain, BIO_TYPE_MD);
402 if (chain == NULL)
403 {
404 CMSerr(CMS_F_CMS_DIGESTALGORITHM_FIND_CTX,
405 CMS_R_NO_MATCHING_DIGEST);
406 return 0;
407 }
408 BIO_get_md_ctx(chain, &mtmp);
409 if (EVP_MD_CTX_type(mtmp) == nid
410 /* Workaround for broken implementations that use signature
411 * algorithm OID instead of digest.
412 */
413 || EVP_MD_pkey_type(EVP_MD_CTX_md(mtmp)) == nid)
414 {
415 EVP_MD_CTX_copy_ex(mctx, mtmp);
416 return 1;
417 }
418 chain = BIO_next(chain);
419 }
420 }
421
422static STACK_OF(CMS_CertificateChoices) **cms_get0_certificate_choices(CMS_ContentInfo *cms)
423 {
424 switch (OBJ_obj2nid(cms->contentType))
425 {
426
427 case NID_pkcs7_signed:
428 return &cms->d.signedData->certificates;
429
430 case NID_pkcs7_enveloped:
431 return &cms->d.envelopedData->originatorInfo->certificates;
432
433 default:
434 CMSerr(CMS_F_CMS_GET0_CERTIFICATE_CHOICES,
435 CMS_R_UNSUPPORTED_CONTENT_TYPE);
436 return NULL;
437
438 }
439 }
440
441CMS_CertificateChoices *CMS_add0_CertificateChoices(CMS_ContentInfo *cms)
442 {
443 STACK_OF(CMS_CertificateChoices) **pcerts;
444 CMS_CertificateChoices *cch;
445 pcerts = cms_get0_certificate_choices(cms);
446 if (!pcerts)
447 return NULL;
448 if (!*pcerts)
449 *pcerts = sk_CMS_CertificateChoices_new_null();
450 if (!*pcerts)
451 return NULL;
452 cch = M_ASN1_new_of(CMS_CertificateChoices);
453 if (!cch)
454 return NULL;
455 if (!sk_CMS_CertificateChoices_push(*pcerts, cch))
456 {
457 M_ASN1_free_of(cch, CMS_CertificateChoices);
458 return NULL;
459 }
460 return cch;
461 }
462
463int CMS_add0_cert(CMS_ContentInfo *cms, X509 *cert)
464 {
465 CMS_CertificateChoices *cch;
466 STACK_OF(CMS_CertificateChoices) **pcerts;
467 int i;
468 pcerts = cms_get0_certificate_choices(cms);
469 if (!pcerts)
470 return 0;
471 if (!pcerts)
472 return 0;
473 for (i = 0; i < sk_CMS_CertificateChoices_num(*pcerts); i++)
474 {
475 cch = sk_CMS_CertificateChoices_value(*pcerts, i);
476 if (cch->type == CMS_CERTCHOICE_CERT)
477 {
478 if (!X509_cmp(cch->d.certificate, cert))
479 {
480 CMSerr(CMS_F_CMS_ADD0_CERT,
481 CMS_R_CERTIFICATE_ALREADY_PRESENT);
482 return 0;
483 }
484 }
485 }
486 cch = CMS_add0_CertificateChoices(cms);
487 if (!cch)
488 return 0;
489 cch->type = CMS_CERTCHOICE_CERT;
490 cch->d.certificate = cert;
491 return 1;
492 }
493
494int CMS_add1_cert(CMS_ContentInfo *cms, X509 *cert)
495 {
496 int r;
497 r = CMS_add0_cert(cms, cert);
498 if (r > 0)
499 CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509);
500 return r;
501 }
502
503static STACK_OF(CMS_RevocationInfoChoice) **cms_get0_revocation_choices(CMS_ContentInfo *cms)
504 {
505 switch (OBJ_obj2nid(cms->contentType))
506 {
507
508 case NID_pkcs7_signed:
509 return &cms->d.signedData->crls;
510
511 case NID_pkcs7_enveloped:
512 return &cms->d.envelopedData->originatorInfo->crls;
513
514 default:
515 CMSerr(CMS_F_CMS_GET0_REVOCATION_CHOICES,
516 CMS_R_UNSUPPORTED_CONTENT_TYPE);
517 return NULL;
518
519 }
520 }
521
522CMS_RevocationInfoChoice *CMS_add0_RevocationInfoChoice(CMS_ContentInfo *cms)
523 {
524 STACK_OF(CMS_RevocationInfoChoice) **pcrls;
525 CMS_RevocationInfoChoice *rch;
526 pcrls = cms_get0_revocation_choices(cms);
527 if (!pcrls)
528 return NULL;
529 if (!*pcrls)
530 *pcrls = sk_CMS_RevocationInfoChoice_new_null();
531 if (!*pcrls)
532 return NULL;
533 rch = M_ASN1_new_of(CMS_RevocationInfoChoice);
534 if (!rch)
535 return NULL;
536 if (!sk_CMS_RevocationInfoChoice_push(*pcrls, rch))
537 {
538 M_ASN1_free_of(rch, CMS_RevocationInfoChoice);
539 return NULL;
540 }
541 return rch;
542 }
543
544int CMS_add0_crl(CMS_ContentInfo *cms, X509_CRL *crl)
545 {
546 CMS_RevocationInfoChoice *rch;
547 rch = CMS_add0_RevocationInfoChoice(cms);
548 if (!rch)
549 return 0;
550 rch->type = CMS_REVCHOICE_CRL;
551 rch->d.crl = crl;
552 return 1;
553 }
554
555int CMS_add1_crl(CMS_ContentInfo *cms, X509_CRL *crl)
556 {
557 int r;
558 r = CMS_add0_crl(cms, crl);
559 if (r > 0)
560 CRYPTO_add(&crl->references, 1, CRYPTO_LOCK_X509_CRL);
561 return r;
562 }
563
564STACK_OF(X509) *CMS_get1_certs(CMS_ContentInfo *cms)
565 {
566 STACK_OF(X509) *certs = NULL;
567 CMS_CertificateChoices *cch;
568 STACK_OF(CMS_CertificateChoices) **pcerts;
569 int i;
570 pcerts = cms_get0_certificate_choices(cms);
571 if (!pcerts)
572 return NULL;
573 for (i = 0; i < sk_CMS_CertificateChoices_num(*pcerts); i++)
574 {
575 cch = sk_CMS_CertificateChoices_value(*pcerts, i);
576 if (cch->type == 0)
577 {
578 if (!certs)
579 {
580 certs = sk_X509_new_null();
581 if (!certs)
582 return NULL;
583 }
584 if (!sk_X509_push(certs, cch->d.certificate))
585 {
586 sk_X509_pop_free(certs, X509_free);
587 return NULL;
588 }
589 CRYPTO_add(&cch->d.certificate->references,
590 1, CRYPTO_LOCK_X509);
591 }
592 }
593 return certs;
594
595 }
596
597STACK_OF(X509_CRL) *CMS_get1_crls(CMS_ContentInfo *cms)
598 {
599 STACK_OF(X509_CRL) *crls = NULL;
600 STACK_OF(CMS_RevocationInfoChoice) **pcrls;
601 CMS_RevocationInfoChoice *rch;
602 int i;
603 pcrls = cms_get0_revocation_choices(cms);
604 if (!pcrls)
605 return NULL;
606 for (i = 0; i < sk_CMS_RevocationInfoChoice_num(*pcrls); i++)
607 {
608 rch = sk_CMS_RevocationInfoChoice_value(*pcrls, i);
609 if (rch->type == 0)
610 {
611 if (!crls)
612 {
613 crls = sk_X509_CRL_new_null();
614 if (!crls)
615 return NULL;
616 }
617 if (!sk_X509_CRL_push(crls, rch->d.crl))
618 {
619 sk_X509_CRL_pop_free(crls, X509_CRL_free);
620 return NULL;
621 }
622 CRYPTO_add(&rch->d.crl->references,
623 1, CRYPTO_LOCK_X509_CRL);
624 }
625 }
626 return crls;
627 }
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-21 17:40:56 +0000