cms_cd.c revision 193770
1250661Sdavidcs/* crypto/cms/cms_cd.c */ 2284741Sdavidcs/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 3250661Sdavidcs * project. 4250661Sdavidcs */ 5250661Sdavidcs/* ==================================================================== 6250661Sdavidcs * Copyright (c) 2008 The OpenSSL Project. All rights reserved. 7250661Sdavidcs * 8250661Sdavidcs * Redistribution and use in source and binary forms, with or without 9250661Sdavidcs * modification, are permitted provided that the following conditions 10250661Sdavidcs * are met: 11250661Sdavidcs * 12250661Sdavidcs * 1. Redistributions of source code must retain the above copyright 13250661Sdavidcs * notice, this list of conditions and the following disclaimer. 14250661Sdavidcs * 15250661Sdavidcs * 2. Redistributions in binary form must reproduce the above copyright 16250661Sdavidcs * notice, this list of conditions and the following disclaimer in 17250661Sdavidcs * the documentation and/or other materials provided with the 18250661Sdavidcs * distribution. 19250661Sdavidcs * 20250661Sdavidcs * 3. All advertising materials mentioning features or use of this 21250661Sdavidcs * software must display the following acknowledgment: 22250661Sdavidcs * "This product includes software developed by the OpenSSL Project 23250661Sdavidcs * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24250661Sdavidcs * 25250661Sdavidcs * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26250661Sdavidcs * endorse or promote products derived from this software without 27250661Sdavidcs * prior written permission. For written permission, please contact 28250661Sdavidcs * licensing@OpenSSL.org. 29250661Sdavidcs * 30250661Sdavidcs * 5. Products derived from this software may not be called "OpenSSL" 31250661Sdavidcs * nor may "OpenSSL" appear in their names without prior written 32250661Sdavidcs * permission of the OpenSSL Project. 33250661Sdavidcs * 34250661Sdavidcs * 6. Redistributions of any form whatsoever must retain the following 35250661Sdavidcs * acknowledgment: 36250661Sdavidcs * "This product includes software developed by the OpenSSL Project 37250661Sdavidcs * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38250661Sdavidcs * 39250661Sdavidcs * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40250661Sdavidcs * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41250661Sdavidcs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42250661Sdavidcs * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43250661Sdavidcs * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44250661Sdavidcs * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45250661Sdavidcs * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46250661Sdavidcs * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47250661Sdavidcs * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48250661Sdavidcs * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49250661Sdavidcs * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50250661Sdavidcs * OF THE POSSIBILITY OF SUCH DAMAGE. 51250661Sdavidcs * ==================================================================== 52250661Sdavidcs */ 53250661Sdavidcs 54250661Sdavidcs#include "cryptlib.h" 55250661Sdavidcs#include <openssl/asn1t.h> 56250661Sdavidcs#include <openssl/pem.h> 57250661Sdavidcs#include <openssl/x509v3.h> 58250661Sdavidcs#include <openssl/err.h> 59250661Sdavidcs#include <openssl/cms.h> 60250661Sdavidcs#include <openssl/bio.h> 61250661Sdavidcs#include <openssl/comp.h> 62250661Sdavidcs#include "cms_lcl.h" 63250661Sdavidcs 64250661SdavidcsDECLARE_ASN1_ITEM(CMS_CompressedData) 65250661Sdavidcs 66250661Sdavidcs#ifdef ZLIB 67250661Sdavidcs 68250661Sdavidcs/* CMS CompressedData Utilities */ 69250661Sdavidcs 70250661SdavidcsCMS_ContentInfo *cms_CompressedData_create(int comp_nid) 71250661Sdavidcs { 72250661Sdavidcs CMS_ContentInfo *cms; 73250661Sdavidcs CMS_CompressedData *cd; 74250661Sdavidcs /* Will need something cleverer if there is ever more than one 75250661Sdavidcs * compression algorithm or parameters have some meaning... 76250661Sdavidcs */ 77250661Sdavidcs if (comp_nid != NID_zlib_compression) 78250661Sdavidcs { 79250661Sdavidcs CMSerr(CMS_F_CMS_COMPRESSEDDATA_CREATE, 80250661Sdavidcs CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM); 81250661Sdavidcs return NULL; 82250661Sdavidcs } 83284741Sdavidcs cms = CMS_ContentInfo_new(); 84250661Sdavidcs if (!cms) 85250661Sdavidcs return NULL; 86250661Sdavidcs 87250661Sdavidcs cd = M_ASN1_new_of(CMS_CompressedData); 88250661Sdavidcs 89250661Sdavidcs if (!cd) 90250661Sdavidcs goto err; 91250661Sdavidcs 92250661Sdavidcs cms->contentType = OBJ_nid2obj(NID_id_smime_ct_compressedData); 93250661Sdavidcs cms->d.compressedData = cd; 94250661Sdavidcs 95250661Sdavidcs cd->version = 0; 96250661Sdavidcs 97250661Sdavidcs X509_ALGOR_set0(cd->compressionAlgorithm, 98250661Sdavidcs OBJ_nid2obj(NID_zlib_compression), 99250661Sdavidcs V_ASN1_UNDEF, NULL); 100250661Sdavidcs 101250661Sdavidcs cd->encapContentInfo->eContentType = OBJ_nid2obj(NID_pkcs7_data); 102250661Sdavidcs 103250661Sdavidcs return cms; 104250661Sdavidcs 105250661Sdavidcs err: 106250661Sdavidcs 107250661Sdavidcs if (cms) 108250661Sdavidcs CMS_ContentInfo_free(cms); 109250661Sdavidcs 110250661Sdavidcs return NULL; 111250661Sdavidcs } 112250661Sdavidcs 113250661SdavidcsBIO *cms_CompressedData_init_bio(CMS_ContentInfo *cms) 114250661Sdavidcs { 115250661Sdavidcs CMS_CompressedData *cd; 116250661Sdavidcs ASN1_OBJECT *compoid; 117250661Sdavidcs if (OBJ_obj2nid(cms->contentType) != NID_id_smime_ct_compressedData) 118250661Sdavidcs { 119250661Sdavidcs CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO, 120250661Sdavidcs CMS_R_CONTENT_TYPE_NOT_COMPRESSED_DATA); 121250661Sdavidcs return NULL; 122250661Sdavidcs } 123250661Sdavidcs cd = cms->d.compressedData; 124284741Sdavidcs X509_ALGOR_get0(&compoid, NULL, NULL, cd->compressionAlgorithm); 125250661Sdavidcs if (OBJ_obj2nid(compoid) != NID_zlib_compression) 126250661Sdavidcs { 127250661Sdavidcs CMSerr(CMS_F_CMS_COMPRESSEDDATA_INIT_BIO, 128250661Sdavidcs CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM); 129250661Sdavidcs return NULL; 130250661Sdavidcs } 131250661Sdavidcs return BIO_new(BIO_f_zlib()); 132250661Sdavidcs } 133250661Sdavidcs 134250661Sdavidcs#endif 135250661Sdavidcs