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/* $OpenBSD: cms_io.c,v 1.11 2019/08/11 10:38:27 jsing Exp $ */
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project.
*/
/* ====================================================================
* Copyright (c) 2008 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/cms.h>
#include "cms_lcl.h"
int
CMS_stream(unsigned char ***boundary, CMS_ContentInfo *cms)
{
ASN1_OCTET_STRING **pos;
pos = CMS_get0_content(cms);
if (pos == NULL)
return 0;
if (*pos == NULL)
*pos = ASN1_OCTET_STRING_new();
if (*pos != NULL) {
(*pos)->flags |= ASN1_STRING_FLAG_NDEF;
(*pos)->flags &= ~ASN1_STRING_FLAG_CONT;
*boundary = &(*pos)->data;
return 1;
}
CMSerror(ERR_R_MALLOC_FAILURE);
return 0;
}
CMS_ContentInfo *
d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms)
{
return ASN1_item_d2i_bio(&CMS_ContentInfo_it, bp, cms);
}
int
i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms)
{
return ASN1_item_i2d_bio(&CMS_ContentInfo_it, bp, cms);
}
CMS_ContentInfo *
PEM_read_bio_CMS(BIO *bp, CMS_ContentInfo **x, pem_password_cb *cb, void *u)
{
return PEM_ASN1_read_bio((d2i_of_void *)d2i_CMS_ContentInfo, PEM_STRING_CMS, bp,
(void **)x, cb, u);
}
CMS_ContentInfo *
PEM_read_CMS(FILE *fp, CMS_ContentInfo **x, pem_password_cb *cb, void *u)
{
return PEM_ASN1_read((d2i_of_void *)d2i_CMS_ContentInfo, PEM_STRING_CMS, fp,
(void **)x, cb, u);
}
int
PEM_write_bio_CMS(BIO *bp, const CMS_ContentInfo *x)
{
return PEM_ASN1_write_bio((i2d_of_void *)i2d_CMS_ContentInfo, PEM_STRING_CMS, bp,
(void *)x, NULL, NULL, 0, NULL, NULL);
}
int
PEM_write_CMS(FILE *fp, const CMS_ContentInfo *x)
{
return PEM_ASN1_write((i2d_of_void *)i2d_CMS_ContentInfo, PEM_STRING_CMS, fp,
(void *)x, NULL, NULL, 0, NULL, NULL);
}
BIO *
BIO_new_CMS(BIO *out, CMS_ContentInfo *cms)
{
return BIO_new_NDEF(out, (ASN1_VALUE *)cms,
&CMS_ContentInfo_it);
}
/* CMS wrappers round generalised stream and MIME routines */
int i2d_CMS_bio_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags)
{
return i2d_ASN1_bio_stream(out, (ASN1_VALUE *)cms, in, flags,
&CMS_ContentInfo_it);
}
int
PEM_write_bio_CMS_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags)
{
return PEM_write_bio_ASN1_stream(out, (ASN1_VALUE *)cms, in, flags,
"CMS", &CMS_ContentInfo_it);
}
int
SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags)
{
STACK_OF(X509_ALGOR) *mdalgs;
int ctype_nid = OBJ_obj2nid(cms->contentType);
int econt_nid = OBJ_obj2nid(CMS_get0_eContentType(cms));
if (ctype_nid == NID_pkcs7_signed)
mdalgs = cms->d.signedData->digestAlgorithms;
else
mdalgs = NULL;
return SMIME_write_ASN1(bio, (ASN1_VALUE *)cms, data, flags, ctype_nid,
econt_nid, mdalgs, &CMS_ContentInfo_it);
}
CMS_ContentInfo *
SMIME_read_CMS(BIO *bio, BIO **bcont)
{
return (CMS_ContentInfo *)SMIME_read_ASN1(bio, bcont,
&CMS_ContentInfo_it);
}
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