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134 lines
4.4 KiB
134 lines
4.4 KiB
/* crypto/cms/cms_cd.c */ |
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/* |
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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 "cryptlib.h" |
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#include <openssl/asn1t.h> |
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#include <openssl/pem.h> |
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#include <openssl/x509v3.h> |
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#include <openssl/err.h> |
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#include <openssl/cms.h> |
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#include <openssl/bio.h> |
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#ifndef OPENSSL_NO_COMP |
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# include <openssl/comp.h> |
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#endif |
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#include "cms_lcl.h" |
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DECLARE_ASN1_ITEM(CMS_CompressedData) |
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#ifdef ZLIB |
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/* CMS CompressedData Utilities */ |
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CMS_ContentInfo *cms_CompressedData_create(int comp_nid) |
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{ |
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CMS_ContentInfo *cms; |
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CMS_CompressedData *cd; |
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/* |
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* Will need something cleverer if there is ever more than one |
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* compression algorithm or parameters have some meaning... |
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*/ |
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if (comp_nid != NID_zlib_compression) { |
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CMSerr(CMS_F_CMS_COMPRESSEDDATA_CREATE, |
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CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM); |
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return NULL; |
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} |
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cms = CMS_ContentInfo_new(); |
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if (!cms) |
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return NULL; |
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cd = M_ASN1_new_of(CMS_CompressedData); |
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if (!cd) |
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goto err; |
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cms->contentType = OBJ_nid2obj(NID_id_smime_ct_compressedData); |
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cms->d.compressedData = cd; |
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cd->version = 0; |
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X509_ALGOR_set0(cd->compressionAlgorithm, |
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OBJ_nid2obj(NID_zlib_compression), V_ASN1_UNDEF, NULL); |
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cd->encapContentInfo->eContentType = OBJ_nid2obj(NID_pkcs7_data); |
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return cms; |
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err: |
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if (cms) |
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CMS_ContentInfo_free(cms); |
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return NULL; |
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} |
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BIO *cms_CompressedData_init_bio(CMS_ContentInfo *cms) |
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{ |
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CMS_CompressedData *cd; |
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ASN1_OBJECT *compoid; |
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if (OBJ_obj2nid(cms->contentType) != NID_id_smime_ct_compressedData) { |
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CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO, |
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CMS_R_CONTENT_TYPE_NOT_COMPRESSED_DATA); |
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return NULL; |
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} |
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cd = cms->d.compressedData; |
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X509_ALGOR_get0(&compoid, NULL, NULL, cd->compressionAlgorithm); |
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if (OBJ_obj2nid(compoid) != NID_zlib_compression) { |
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CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO, |
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CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM); |
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return NULL; |
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} |
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return BIO_new(BIO_f_zlib()); |
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} |
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#endif
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