1183234Ssimon/* crypto/cms/cms_cd.c */ 2296465Sdelphij/* 3296465Sdelphij * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 4183234Ssimon * project. 5183234Ssimon */ 6183234Ssimon/* ==================================================================== 7183234Ssimon * Copyright (c) 2008 The OpenSSL Project. All rights reserved. 8183234Ssimon * 9183234Ssimon * Redistribution and use in source and binary forms, with or without 10183234Ssimon * modification, are permitted provided that the following conditions 11183234Ssimon * are met: 12183234Ssimon * 13183234Ssimon * 1. Redistributions of source code must retain the above copyright 14296465Sdelphij * notice, this list of conditions and the following disclaimer. 15183234Ssimon * 16183234Ssimon * 2. Redistributions in binary form must reproduce the above copyright 17183234Ssimon * notice, this list of conditions and the following disclaimer in 18183234Ssimon * the documentation and/or other materials provided with the 19183234Ssimon * distribution. 20183234Ssimon * 21183234Ssimon * 3. All advertising materials mentioning features or use of this 22183234Ssimon * software must display the following acknowledgment: 23183234Ssimon * "This product includes software developed by the OpenSSL Project 24183234Ssimon * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25183234Ssimon * 26183234Ssimon * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27183234Ssimon * endorse or promote products derived from this software without 28183234Ssimon * prior written permission. For written permission, please contact 29183234Ssimon * licensing@OpenSSL.org. 30183234Ssimon * 31183234Ssimon * 5. Products derived from this software may not be called "OpenSSL" 32183234Ssimon * nor may "OpenSSL" appear in their names without prior written 33183234Ssimon * permission of the OpenSSL Project. 34183234Ssimon * 35183234Ssimon * 6. Redistributions of any form whatsoever must retain the following 36183234Ssimon * acknowledgment: 37183234Ssimon * "This product includes software developed by the OpenSSL Project 38183234Ssimon * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39183234Ssimon * 40183234Ssimon * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41183234Ssimon * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42183234Ssimon * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43183234Ssimon * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44183234Ssimon * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45183234Ssimon * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46183234Ssimon * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47183234Ssimon * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48183234Ssimon * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49183234Ssimon * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50183234Ssimon * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51183234Ssimon * OF THE POSSIBILITY OF SUCH DAMAGE. 52183234Ssimon * ==================================================================== 53183234Ssimon */ 54183234Ssimon 55183234Ssimon#include "cryptlib.h" 56183234Ssimon#include <openssl/asn1t.h> 57183234Ssimon#include <openssl/pem.h> 58183234Ssimon#include <openssl/x509v3.h> 59183234Ssimon#include <openssl/err.h> 60183234Ssimon#include <openssl/cms.h> 61183234Ssimon#include <openssl/bio.h> 62267285Sjkim#ifndef OPENSSL_NO_COMP 63296465Sdelphij# include <openssl/comp.h> 64267285Sjkim#endif 65183234Ssimon#include "cms_lcl.h" 66183234Ssimon 67183234SsimonDECLARE_ASN1_ITEM(CMS_CompressedData) 68183234Ssimon 69183234Ssimon#ifdef ZLIB 70183234Ssimon 71183234Ssimon/* CMS CompressedData Utilities */ 72183234Ssimon 73183234SsimonCMS_ContentInfo *cms_CompressedData_create(int comp_nid) 74296465Sdelphij{ 75296465Sdelphij CMS_ContentInfo *cms; 76296465Sdelphij CMS_CompressedData *cd; 77296465Sdelphij /* 78296465Sdelphij * Will need something cleverer if there is ever more than one 79296465Sdelphij * compression algorithm or parameters have some meaning... 80296465Sdelphij */ 81296465Sdelphij if (comp_nid != NID_zlib_compression) { 82296465Sdelphij CMSerr(CMS_F_CMS_COMPRESSEDDATA_CREATE, 83296465Sdelphij CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM); 84296465Sdelphij return NULL; 85296465Sdelphij } 86296465Sdelphij cms = CMS_ContentInfo_new(); 87296465Sdelphij if (!cms) 88296465Sdelphij return NULL; 89183234Ssimon 90296465Sdelphij cd = M_ASN1_new_of(CMS_CompressedData); 91183234Ssimon 92296465Sdelphij if (!cd) 93296465Sdelphij goto err; 94183234Ssimon 95296465Sdelphij cms->contentType = OBJ_nid2obj(NID_id_smime_ct_compressedData); 96296465Sdelphij cms->d.compressedData = cd; 97183234Ssimon 98296465Sdelphij cd->version = 0; 99183234Ssimon 100296465Sdelphij X509_ALGOR_set0(cd->compressionAlgorithm, 101296465Sdelphij OBJ_nid2obj(NID_zlib_compression), V_ASN1_UNDEF, NULL); 102183234Ssimon 103296465Sdelphij cd->encapContentInfo->eContentType = OBJ_nid2obj(NID_pkcs7_data); 104183234Ssimon 105296465Sdelphij return cms; 106183234Ssimon 107296465Sdelphij err: 108183234Ssimon 109296465Sdelphij if (cms) 110296465Sdelphij CMS_ContentInfo_free(cms); 111183234Ssimon 112296465Sdelphij return NULL; 113296465Sdelphij} 114183234Ssimon 115183234SsimonBIO *cms_CompressedData_init_bio(CMS_ContentInfo *cms) 116296465Sdelphij{ 117296465Sdelphij CMS_CompressedData *cd; 118296465Sdelphij ASN1_OBJECT *compoid; 119296465Sdelphij if (OBJ_obj2nid(cms->contentType) != NID_id_smime_ct_compressedData) { 120296465Sdelphij CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO, 121296465Sdelphij CMS_R_CONTENT_TYPE_NOT_COMPRESSED_DATA); 122296465Sdelphij return NULL; 123296465Sdelphij } 124296465Sdelphij cd = cms->d.compressedData; 125296465Sdelphij X509_ALGOR_get0(&compoid, NULL, NULL, cd->compressionAlgorithm); 126296465Sdelphij if (OBJ_obj2nid(compoid) != NID_zlib_compression) { 127296465Sdelphij CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO, 128296465Sdelphij CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM); 129296465Sdelphij return NULL; 130296465Sdelphij } 131296465Sdelphij return BIO_new(BIO_f_zlib()); 132296465Sdelphij} 133183234Ssimon 134183234Ssimon#endif 135