]>
Commit | Line | Data |
---|---|---|
0f113f3e | 1 | /* |
fecb3aae | 2 | * Copyright 2008-2022 The OpenSSL Project Authors. All Rights Reserved. |
8931b30d | 3 | * |
08ddd302 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
b1322259 RS |
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 | |
8931b30d DSH |
8 | */ |
9 | ||
10 | #include <openssl/asn1t.h> | |
11 | #include <openssl/x509.h> | |
12 | #include <openssl/err.h> | |
13 | #include <openssl/pem.h> | |
e52a3c3d | 14 | #include <openssl/cms.h> |
706457b7 | 15 | #include "cms_local.h" |
8931b30d | 16 | |
9fdcc21f | 17 | /* unfortunately cannot constify BIO_new_NDEF() due to this and PKCS7_stream() */ |
8931b30d | 18 | int CMS_stream(unsigned char ***boundary, CMS_ContentInfo *cms) |
0f113f3e MC |
19 | { |
20 | ASN1_OCTET_STRING **pos; | |
21 | pos = CMS_get0_content(cms); | |
90945fa3 | 22 | if (pos == NULL) |
0f113f3e | 23 | return 0; |
90945fa3 | 24 | if (*pos == NULL) |
0f113f3e | 25 | *pos = ASN1_OCTET_STRING_new(); |
90945fa3 | 26 | if (*pos != NULL) { |
0f113f3e MC |
27 | (*pos)->flags |= ASN1_STRING_FLAG_NDEF; |
28 | (*pos)->flags &= ~ASN1_STRING_FLAG_CONT; | |
29 | *boundary = &(*pos)->data; | |
30 | return 1; | |
31 | } | |
9311d0c4 | 32 | ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE); |
0f113f3e MC |
33 | return 0; |
34 | } | |
8931b30d DSH |
35 | |
36 | CMS_ContentInfo *d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms) | |
0f113f3e | 37 | { |
c1669f41 | 38 | CMS_ContentInfo *ci; |
5dca2afc | 39 | const CMS_CTX *ctx = ossl_cms_get0_cmsctx(cms == NULL ? NULL : *cms); |
c1669f41 | 40 | |
5dca2afc MC |
41 | ci = ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms, |
42 | ossl_cms_ctx_get0_libctx(ctx), | |
43 | ossl_cms_ctx_get0_propq(ctx)); | |
45a3c592 DF |
44 | if (ci != NULL) { |
45 | ERR_set_mark(); | |
53155f1c | 46 | ossl_cms_resolve_libctx(ci); |
45a3c592 DF |
47 | ERR_pop_to_mark(); |
48 | } | |
c1669f41 | 49 | return ci; |
0f113f3e | 50 | } |
8931b30d DSH |
51 | |
52 | int i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms) | |
0f113f3e MC |
53 | { |
54 | return ASN1_item_i2d_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms); | |
55 | } | |
8931b30d | 56 | |
de0799b0 | 57 | IMPLEMENT_PEM_rw(CMS, CMS_ContentInfo, PEM_STRING_CMS, CMS_ContentInfo) |
8931b30d | 58 | |
0f113f3e MC |
59 | BIO *BIO_new_CMS(BIO *out, CMS_ContentInfo *cms) |
60 | { | |
61 | return BIO_new_NDEF(out, (ASN1_VALUE *)cms, | |
62 | ASN1_ITEM_rptr(CMS_ContentInfo)); | |
63 | } | |
8931b30d DSH |
64 | |
65 | /* CMS wrappers round generalised stream and MIME routines */ | |
66 | ||
67 | int i2d_CMS_bio_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags) | |
0f113f3e MC |
68 | { |
69 | return i2d_ASN1_bio_stream(out, (ASN1_VALUE *)cms, in, flags, | |
70 | ASN1_ITEM_rptr(CMS_ContentInfo)); | |
71 | } | |
8931b30d | 72 | |
0f113f3e MC |
73 | int PEM_write_bio_CMS_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, |
74 | int flags) | |
75 | { | |
76 | return PEM_write_bio_ASN1_stream(out, (ASN1_VALUE *)cms, in, flags, | |
77 | "CMS", ASN1_ITEM_rptr(CMS_ContentInfo)); | |
78 | } | |
8931b30d DSH |
79 | |
80 | int SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags) | |
0f113f3e MC |
81 | { |
82 | STACK_OF(X509_ALGOR) *mdalgs; | |
83 | int ctype_nid = OBJ_obj2nid(cms->contentType); | |
84 | int econt_nid = OBJ_obj2nid(CMS_get0_eContentType(cms)); | |
53155f1c | 85 | const CMS_CTX *ctx = ossl_cms_get0_cmsctx(cms); |
c1669f41 | 86 | |
0f113f3e MC |
87 | if (ctype_nid == NID_pkcs7_signed) |
88 | mdalgs = cms->d.signedData->digestAlgorithms; | |
89 | else | |
90 | mdalgs = NULL; | |
8931b30d | 91 | |
d8652be0 MC |
92 | return SMIME_write_ASN1_ex(bio, (ASN1_VALUE *)cms, data, flags, ctype_nid, |
93 | econt_nid, mdalgs, | |
94 | ASN1_ITEM_rptr(CMS_ContentInfo), | |
53155f1c SL |
95 | ossl_cms_ctx_get0_libctx(ctx), |
96 | ossl_cms_ctx_get0_propq(ctx)); | |
c1669f41 SL |
97 | } |
98 | ||
5dca2afc MC |
99 | CMS_ContentInfo *SMIME_read_CMS_ex(BIO *bio, int flags, BIO **bcont, |
100 | CMS_ContentInfo **cms) | |
c1669f41 SL |
101 | { |
102 | CMS_ContentInfo *ci; | |
5dca2afc | 103 | const CMS_CTX *ctx = ossl_cms_get0_cmsctx(cms == NULL ? NULL : *cms); |
c1669f41 | 104 | |
7c701c59 | 105 | ci = (CMS_ContentInfo *)SMIME_read_ASN1_ex(bio, flags, bcont, |
c1669f41 | 106 | ASN1_ITEM_rptr(CMS_ContentInfo), |
5dca2afc MC |
107 | (ASN1_VALUE **)cms, |
108 | ossl_cms_ctx_get0_libctx(ctx), | |
109 | ossl_cms_ctx_get0_propq(ctx)); | |
45a3c592 DF |
110 | if (ci != NULL) { |
111 | ERR_set_mark(); | |
53155f1c | 112 | ossl_cms_resolve_libctx(ci); |
45a3c592 DF |
113 | ERR_pop_to_mark(); |
114 | } | |
c1669f41 | 115 | return ci; |
0f113f3e | 116 | } |
8931b30d DSH |
117 | |
118 | CMS_ContentInfo *SMIME_read_CMS(BIO *bio, BIO **bcont) | |
0f113f3e | 119 | { |
7c701c59 | 120 | return SMIME_read_CMS_ex(bio, 0, bcont, NULL); |
0f113f3e | 121 | } |