Branch data Line data Source code
1 : : /* crypto/cms/cms_io.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 "cms.h"
59 : : #include "cms_lcl.h"
60 : :
61 : 34 : int CMS_stream(unsigned char ***boundary, CMS_ContentInfo *cms)
62 : : {
63 : : ASN1_OCTET_STRING **pos;
64 : 34 : pos = CMS_get0_content(cms);
65 [ + - ]: 34 : if (!pos)
66 : : return 0;
67 [ - + ]: 34 : if (!*pos)
68 : 0 : *pos = ASN1_OCTET_STRING_new();
69 [ + - ]: 34 : if (*pos)
70 : : {
71 : 34 : (*pos)->flags |= ASN1_STRING_FLAG_NDEF;
72 : 34 : (*pos)->flags &= ~ASN1_STRING_FLAG_CONT;
73 : 34 : *boundary = &(*pos)->data;
74 : 34 : return 1;
75 : : }
76 : 0 : CMSerr(CMS_F_CMS_STREAM, ERR_R_MALLOC_FAILURE);
77 : 0 : return 0;
78 : : }
79 : :
80 : 21 : CMS_ContentInfo *d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms)
81 : : {
82 : 21 : return ASN1_item_d2i_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms);
83 : : }
84 : :
85 : 0 : int i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms)
86 : : {
87 : 0 : return ASN1_item_i2d_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms);
88 : : }
89 : :
90 : 22 : IMPLEMENT_PEM_rw_const(CMS, CMS_ContentInfo, PEM_STRING_CMS, CMS_ContentInfo)
91 : :
92 : 0 : BIO *BIO_new_CMS(BIO *out, CMS_ContentInfo *cms)
93 : : {
94 : 0 : return BIO_new_NDEF(out, (ASN1_VALUE *)cms,
95 : : ASN1_ITEM_rptr(CMS_ContentInfo));
96 : : }
97 : :
98 : : /* CMS wrappers round generalised stream and MIME routines */
99 : :
100 : 19 : int i2d_CMS_bio_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags)
101 : : {
102 : 19 : return i2d_ASN1_bio_stream(out, (ASN1_VALUE *)cms, in, flags,
103 : : ASN1_ITEM_rptr(CMS_ContentInfo));
104 : : }
105 : :
106 : 11 : int PEM_write_bio_CMS_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags)
107 : : {
108 : 11 : return PEM_write_bio_ASN1_stream(out, (ASN1_VALUE *) cms, in, flags,
109 : : "CMS",
110 : : ASN1_ITEM_rptr(CMS_ContentInfo));
111 : : }
112 : :
113 : 21 : int SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags)
114 : : {
115 : : STACK_OF(X509_ALGOR) *mdalgs;
116 : 21 : int ctype_nid = OBJ_obj2nid(cms->contentType);
117 : 21 : int econt_nid = OBJ_obj2nid(CMS_get0_eContentType(cms));
118 [ + + ]: 21 : if (ctype_nid == NID_pkcs7_signed)
119 : 6 : mdalgs = cms->d.signedData->digestAlgorithms;
120 : : else
121 : : mdalgs = NULL;
122 : :
123 : 21 : return SMIME_write_ASN1(bio, (ASN1_VALUE *)cms, data, flags,
124 : : ctype_nid, econt_nid, mdalgs,
125 : : ASN1_ITEM_rptr(CMS_ContentInfo));
126 : : }
127 : :
128 : 23 : CMS_ContentInfo *SMIME_read_CMS(BIO *bio, BIO **bcont)
129 : : {
130 : 23 : return (CMS_ContentInfo *)SMIME_read_ASN1(bio, bcont,
131 : : ASN1_ITEM_rptr(CMS_ContentInfo));
132 : : }
133 : :
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