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git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/cms/cms_io.c
1 /* crypto/cms/cms_io.c */
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
6 /* ====================================================================
7 * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
55 #include <openssl/asn1t.h>
56 #include <openssl/x509.h>
57 #include <openssl/err.h>
58 #include <openssl/pem.h>
62 int CMS_stream(unsigned char ***boundary
, CMS_ContentInfo
*cms
)
64 ASN1_OCTET_STRING
**pos
;
65 pos
= CMS_get0_content(cms
);
69 *pos
= ASN1_OCTET_STRING_new();
71 (*pos
)->flags
|= ASN1_STRING_FLAG_NDEF
;
72 (*pos
)->flags
&= ~ASN1_STRING_FLAG_CONT
;
73 *boundary
= &(*pos
)->data
;
76 CMSerr(CMS_F_CMS_STREAM
, ERR_R_MALLOC_FAILURE
);
80 CMS_ContentInfo
*d2i_CMS_bio(BIO
*bp
, CMS_ContentInfo
**cms
)
82 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(CMS_ContentInfo
), bp
, cms
);
85 int i2d_CMS_bio(BIO
*bp
, CMS_ContentInfo
*cms
)
87 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(CMS_ContentInfo
), bp
, cms
);
90 IMPLEMENT_PEM_rw_const(CMS
, CMS_ContentInfo
, PEM_STRING_CMS
, CMS_ContentInfo
)
92 BIO
*BIO_new_CMS(BIO
*out
, CMS_ContentInfo
*cms
)
94 return BIO_new_NDEF(out
, (ASN1_VALUE
*)cms
,
95 ASN1_ITEM_rptr(CMS_ContentInfo
));
98 /* CMS wrappers round generalised stream and MIME routines */
100 int i2d_CMS_bio_stream(BIO
*out
, CMS_ContentInfo
*cms
, BIO
*in
, int flags
)
102 return i2d_ASN1_bio_stream(out
, (ASN1_VALUE
*)cms
, in
, flags
,
103 ASN1_ITEM_rptr(CMS_ContentInfo
));
106 int PEM_write_bio_CMS_stream(BIO
*out
, CMS_ContentInfo
*cms
, BIO
*in
,
109 return PEM_write_bio_ASN1_stream(out
, (ASN1_VALUE
*)cms
, in
, flags
,
110 "CMS", ASN1_ITEM_rptr(CMS_ContentInfo
));
113 int SMIME_write_CMS(BIO
*bio
, CMS_ContentInfo
*cms
, BIO
*data
, int flags
)
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
;
123 return SMIME_write_ASN1(bio
, (ASN1_VALUE
*)cms
, data
, flags
,
124 ctype_nid
, econt_nid
, mdalgs
,
125 ASN1_ITEM_rptr(CMS_ContentInfo
));
128 CMS_ContentInfo
*SMIME_read_CMS(BIO
*bio
, BIO
**bcont
)
130 return (CMS_ContentInfo
*)SMIME_read_ASN1(bio
, bcont
,