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git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/cms/cms_io.c
2 * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
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
10 #include <openssl/asn1t.h>
11 #include <openssl/x509.h>
12 #include <openssl/err.h>
13 #include <openssl/pem.h>
14 #include <openssl/cms.h>
15 #include "cms_local.h"
17 /* unfortunately cannot constify BIO_new_NDEF() due to this and PKCS7_stream() */
18 int CMS_stream(unsigned char ***boundary
, CMS_ContentInfo
*cms
)
20 ASN1_OCTET_STRING
**pos
;
21 pos
= CMS_get0_content(cms
);
25 *pos
= ASN1_OCTET_STRING_new();
27 (*pos
)->flags
|= ASN1_STRING_FLAG_NDEF
;
28 (*pos
)->flags
&= ~ASN1_STRING_FLAG_CONT
;
29 *boundary
= &(*pos
)->data
;
32 CMSerr(CMS_F_CMS_STREAM
, ERR_R_MALLOC_FAILURE
);
36 CMS_ContentInfo
*d2i_CMS_bio(BIO
*bp
, CMS_ContentInfo
**cms
)
38 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(CMS_ContentInfo
), bp
, cms
);
41 int i2d_CMS_bio(BIO
*bp
, CMS_ContentInfo
*cms
)
43 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(CMS_ContentInfo
), bp
, cms
);
46 IMPLEMENT_PEM_rw_const(CMS
, CMS_ContentInfo
, PEM_STRING_CMS
, CMS_ContentInfo
)
48 BIO
*BIO_new_CMS(BIO
*out
, CMS_ContentInfo
*cms
)
50 return BIO_new_NDEF(out
, (ASN1_VALUE
*)cms
,
51 ASN1_ITEM_rptr(CMS_ContentInfo
));
54 /* CMS wrappers round generalised stream and MIME routines */
56 int i2d_CMS_bio_stream(BIO
*out
, CMS_ContentInfo
*cms
, BIO
*in
, int flags
)
58 return i2d_ASN1_bio_stream(out
, (ASN1_VALUE
*)cms
, in
, flags
,
59 ASN1_ITEM_rptr(CMS_ContentInfo
));
62 int PEM_write_bio_CMS_stream(BIO
*out
, CMS_ContentInfo
*cms
, BIO
*in
,
65 return PEM_write_bio_ASN1_stream(out
, (ASN1_VALUE
*)cms
, in
, flags
,
66 "CMS", ASN1_ITEM_rptr(CMS_ContentInfo
));
69 int SMIME_write_CMS(BIO
*bio
, CMS_ContentInfo
*cms
, BIO
*data
, int flags
)
71 STACK_OF(X509_ALGOR
) *mdalgs
;
72 int ctype_nid
= OBJ_obj2nid(cms
->contentType
);
73 int econt_nid
= OBJ_obj2nid(CMS_get0_eContentType(cms
));
74 if (ctype_nid
== NID_pkcs7_signed
)
75 mdalgs
= cms
->d
.signedData
->digestAlgorithms
;
79 return SMIME_write_ASN1(bio
, (ASN1_VALUE
*)cms
, data
, flags
,
80 ctype_nid
, econt_nid
, mdalgs
,
81 ASN1_ITEM_rptr(CMS_ContentInfo
));
84 CMS_ContentInfo
*SMIME_read_CMS(BIO
*bio
, BIO
**bcont
)
86 return (CMS_ContentInfo
*)SMIME_read_ASN1(bio
, bcont
,