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-rw-r--r--src/lib/libcrypto/cms/cms_io.c133
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diff --git a/src/lib/libcrypto/cms/cms_io.c b/src/lib/libcrypto/cms/cms_io.c
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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
61int CMS_stream(unsigned char ***boundary, CMS_ContentInfo *cms)
62 {
63 ASN1_OCTET_STRING **pos;
64 pos = CMS_get0_content(cms);
65 if (!pos)
66 return 0;
67 if (!*pos)
68 *pos = ASN1_OCTET_STRING_new();
69 if (*pos)
70 {
71 (*pos)->flags |= ASN1_STRING_FLAG_NDEF;
72 (*pos)->flags &= ~ASN1_STRING_FLAG_CONT;
73 *boundary = &(*pos)->data;
74 return 1;
75 }
76 CMSerr(CMS_F_CMS_STREAM, ERR_R_MALLOC_FAILURE);
77 return 0;
78 }
79
80CMS_ContentInfo *d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms)
81 {
82 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms);
83 }
84
85int i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms)
86 {
87 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms);
88 }
89
90IMPLEMENT_PEM_rw_const(CMS, CMS_ContentInfo, PEM_STRING_CMS, CMS_ContentInfo)
91
92BIO *BIO_new_CMS(BIO *out, CMS_ContentInfo *cms)
93 {
94 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
100int i2d_CMS_bio_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags)
101 {
102 return i2d_ASN1_bio_stream(out, (ASN1_VALUE *)cms, in, flags,
103 ASN1_ITEM_rptr(CMS_ContentInfo));
104 }
105
106int PEM_write_bio_CMS_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags)
107 {
108 return PEM_write_bio_ASN1_stream(out, (ASN1_VALUE *) cms, in, flags,
109 "CMS",
110 ASN1_ITEM_rptr(CMS_ContentInfo));
111 }
112
113int SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags)
114 {
115 STACK_OF(X509_ALGOR) *mdalgs;
116 int ctype_nid = OBJ_obj2nid(cms->contentType);
117 int econt_nid = OBJ_obj2nid(CMS_get0_eContentType(cms));
118 if (ctype_nid == NID_pkcs7_signed)
119 mdalgs = cms->d.signedData->digestAlgorithms;
120 else
121 mdalgs = NULL;
122
123 return SMIME_write_ASN1(bio, (ASN1_VALUE *)cms, data, flags,
124 ctype_nid, econt_nid, mdalgs,
125 ASN1_ITEM_rptr(CMS_ContentInfo));
126 }
127
128CMS_ContentInfo *SMIME_read_CMS(BIO *bio, BIO **bcont)
129 {
130 return (CMS_ContentInfo *)SMIME_read_ASN1(bio, bcont,
131 ASN1_ITEM_rptr(CMS_ContentInfo));
132 }
133