1183234Ssimon/* crypto/cms/cms_cd.c */ 2280297Sjkim/* 3280297Sjkim * 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 14280297Sjkim * 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> 62246772Sjkim#ifndef OPENSSL_NO_COMP 63280297Sjkim# include <openssl/comp.h> 64246772Sjkim#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) 74280297Sjkim{ 75280297Sjkim CMS_ContentInfo *cms; 76280297Sjkim CMS_CompressedData *cd; 77280297Sjkim /* 78280297Sjkim * Will need something cleverer if there is ever more than one 79280297Sjkim * compression algorithm or parameters have some meaning... 80280297Sjkim */ 81280297Sjkim if (comp_nid != NID_zlib_compression) { 82280297Sjkim CMSerr(CMS_F_CMS_COMPRESSEDDATA_CREATE, 83280297Sjkim CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM); 84280297Sjkim return NULL; 85280297Sjkim } 86280297Sjkim cms = CMS_ContentInfo_new(); 87280297Sjkim if (!cms) 88280297Sjkim return NULL; 89183234Ssimon 90280297Sjkim cd = M_ASN1_new_of(CMS_CompressedData); 91183234Ssimon 92280297Sjkim if (!cd) 93280297Sjkim goto err; 94183234Ssimon 95280297Sjkim cms->contentType = OBJ_nid2obj(NID_id_smime_ct_compressedData); 96280297Sjkim cms->d.compressedData = cd; 97183234Ssimon 98280297Sjkim cd->version = 0; 99183234Ssimon 100280297Sjkim X509_ALGOR_set0(cd->compressionAlgorithm, 101280297Sjkim OBJ_nid2obj(NID_zlib_compression), V_ASN1_UNDEF, NULL); 102183234Ssimon 103280297Sjkim cd->encapContentInfo->eContentType = OBJ_nid2obj(NID_pkcs7_data); 104183234Ssimon 105280297Sjkim return cms; 106183234Ssimon 107280297Sjkim err: 108183234Ssimon 109280297Sjkim if (cms) 110280297Sjkim CMS_ContentInfo_free(cms); 111183234Ssimon 112280297Sjkim return NULL; 113280297Sjkim} 114183234Ssimon 115183234SsimonBIO *cms_CompressedData_init_bio(CMS_ContentInfo *cms) 116280297Sjkim{ 117280297Sjkim CMS_CompressedData *cd; 118280297Sjkim ASN1_OBJECT *compoid; 119280297Sjkim if (OBJ_obj2nid(cms->contentType) != NID_id_smime_ct_compressedData) { 120280297Sjkim CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO, 121280297Sjkim CMS_R_CONTENT_TYPE_NOT_COMPRESSED_DATA); 122280297Sjkim return NULL; 123280297Sjkim } 124280297Sjkim cd = cms->d.compressedData; 125280297Sjkim X509_ALGOR_get0(&compoid, NULL, NULL, cd->compressionAlgorithm); 126280297Sjkim if (OBJ_obj2nid(compoid) != NID_zlib_compression) { 127280297Sjkim CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO, 128280297Sjkim CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM); 129280297Sjkim return NULL; 130280297Sjkim } 131280297Sjkim return BIO_new(BIO_f_zlib()); 132280297Sjkim} 133183234Ssimon 134183234Ssimon#endif 135