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134 lines
4.5 KiB
C
134 lines
4.5 KiB
C
/* crypto/cms/cms_io.c */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project.
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*/
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/* ====================================================================
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* Copyright (c) 2008 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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#include <openssl/asn1t.h>
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#include <openssl/x509.h>
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#include <openssl/err.h>
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#include <openssl/pem.h>
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#include "cms.h"
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#include "cms_lcl.h"
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int CMS_stream(unsigned char ***boundary, CMS_ContentInfo *cms)
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{
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ASN1_OCTET_STRING **pos;
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pos = CMS_get0_content(cms);
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if (!pos)
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return 0;
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if (!*pos)
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*pos = ASN1_OCTET_STRING_new();
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if (*pos)
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{
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(*pos)->flags |= ASN1_STRING_FLAG_NDEF;
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(*pos)->flags &= ~ASN1_STRING_FLAG_CONT;
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*boundary = &(*pos)->data;
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return 1;
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}
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CMSerr(CMS_F_CMS_STREAM, ERR_R_MALLOC_FAILURE);
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return 0;
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}
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CMS_ContentInfo *d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms)
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{
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return ASN1_item_d2i_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms);
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}
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int i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms)
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{
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return ASN1_item_i2d_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms);
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}
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IMPLEMENT_PEM_rw_const(CMS, CMS_ContentInfo, PEM_STRING_CMS, CMS_ContentInfo)
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BIO *BIO_new_CMS(BIO *out, CMS_ContentInfo *cms)
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{
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return BIO_new_NDEF(out, (ASN1_VALUE *)cms,
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ASN1_ITEM_rptr(CMS_ContentInfo));
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}
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/* CMS wrappers round generalised stream and MIME routines */
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int i2d_CMS_bio_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags)
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{
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return i2d_ASN1_bio_stream(out, (ASN1_VALUE *)cms, in, flags,
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ASN1_ITEM_rptr(CMS_ContentInfo));
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}
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int PEM_write_bio_CMS_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags)
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{
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return PEM_write_bio_ASN1_stream(out, (ASN1_VALUE *) cms, in, flags,
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"CMS",
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ASN1_ITEM_rptr(CMS_ContentInfo));
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}
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int SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags)
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{
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STACK_OF(X509_ALGOR) *mdalgs;
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int ctype_nid = OBJ_obj2nid(cms->contentType);
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int econt_nid = OBJ_obj2nid(CMS_get0_eContentType(cms));
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if (ctype_nid == NID_pkcs7_signed)
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mdalgs = cms->d.signedData->digestAlgorithms;
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else
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mdalgs = NULL;
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return SMIME_write_ASN1(bio, (ASN1_VALUE *)cms, data, flags,
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ctype_nid, econt_nid, mdalgs,
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ASN1_ITEM_rptr(CMS_ContentInfo));
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}
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CMS_ContentInfo *SMIME_read_CMS(BIO *bio, BIO **bcont)
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{
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return (CMS_ContentInfo *)SMIME_read_ASN1(bio, bcont,
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ASN1_ITEM_rptr(CMS_ContentInfo));
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}
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