mirror of
https://github.com/oxen-io/session-android.git
synced 2024-12-24 16:57:50 +00:00
134 lines
4.5 KiB
C
134 lines
4.5 KiB
C
/* crypto/cms/cms_io.c */
|
|
/* 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 "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)
|
|
return 0;
|
|
if (!*pos)
|
|
*pos = ASN1_OCTET_STRING_new();
|
|
if (*pos)
|
|
{
|
|
(*pos)->flags |= ASN1_STRING_FLAG_NDEF;
|
|
(*pos)->flags &= ~ASN1_STRING_FLAG_CONT;
|
|
*boundary = &(*pos)->data;
|
|
return 1;
|
|
}
|
|
CMSerr(CMS_F_CMS_STREAM, ERR_R_MALLOC_FAILURE);
|
|
return 0;
|
|
}
|
|
|
|
CMS_ContentInfo *d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms)
|
|
{
|
|
return ASN1_item_d2i_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms);
|
|
}
|
|
|
|
int i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms)
|
|
{
|
|
return ASN1_item_i2d_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms);
|
|
}
|
|
|
|
IMPLEMENT_PEM_rw_const(CMS, CMS_ContentInfo, PEM_STRING_CMS, CMS_ContentInfo)
|
|
|
|
BIO *BIO_new_CMS(BIO *out, CMS_ContentInfo *cms)
|
|
{
|
|
return BIO_new_NDEF(out, (ASN1_VALUE *)cms,
|
|
ASN1_ITEM_rptr(CMS_ContentInfo));
|
|
}
|
|
|
|
/* 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,
|
|
ASN1_ITEM_rptr(CMS_ContentInfo));
|
|
}
|
|
|
|
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",
|
|
ASN1_ITEM_rptr(CMS_ContentInfo));
|
|
}
|
|
|
|
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,
|
|
ASN1_ITEM_rptr(CMS_ContentInfo));
|
|
}
|
|
|
|
CMS_ContentInfo *SMIME_read_CMS(BIO *bio, BIO **bcont)
|
|
{
|
|
return (CMS_ContentInfo *)SMIME_read_ASN1(bio, bcont,
|
|
ASN1_ITEM_rptr(CMS_ContentInfo));
|
|
}
|
|
|