1183234Ssimon/* crypto/cms/cms_io.c */ 2296341Sdelphij/* 3296341Sdelphij * 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 14296341Sdelphij * 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 <openssl/asn1t.h> 56183234Ssimon#include <openssl/x509.h> 57183234Ssimon#include <openssl/err.h> 58183234Ssimon#include <openssl/pem.h> 59183234Ssimon#include "cms.h" 60183234Ssimon#include "cms_lcl.h" 61183234Ssimon 62238405Sjkimint CMS_stream(unsigned char ***boundary, CMS_ContentInfo *cms) 63296341Sdelphij{ 64296341Sdelphij ASN1_OCTET_STRING **pos; 65296341Sdelphij pos = CMS_get0_content(cms); 66296341Sdelphij if (!pos) 67296341Sdelphij return 0; 68296341Sdelphij if (!*pos) 69296341Sdelphij *pos = ASN1_OCTET_STRING_new(); 70296341Sdelphij if (*pos) { 71296341Sdelphij (*pos)->flags |= ASN1_STRING_FLAG_NDEF; 72296341Sdelphij (*pos)->flags &= ~ASN1_STRING_FLAG_CONT; 73296341Sdelphij *boundary = &(*pos)->data; 74296341Sdelphij return 1; 75296341Sdelphij } 76296341Sdelphij CMSerr(CMS_F_CMS_STREAM, ERR_R_MALLOC_FAILURE); 77296341Sdelphij return 0; 78296341Sdelphij} 79238405Sjkim 80183234SsimonCMS_ContentInfo *d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms) 81296341Sdelphij{ 82296341Sdelphij return ASN1_item_d2i_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms); 83296341Sdelphij} 84183234Ssimon 85183234Ssimonint i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms) 86296341Sdelphij{ 87296341Sdelphij return ASN1_item_i2d_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms); 88296341Sdelphij} 89183234Ssimon 90183234SsimonIMPLEMENT_PEM_rw_const(CMS, CMS_ContentInfo, PEM_STRING_CMS, CMS_ContentInfo) 91183234Ssimon 92296341SdelphijBIO *BIO_new_CMS(BIO *out, CMS_ContentInfo *cms) 93296341Sdelphij{ 94296341Sdelphij return BIO_new_NDEF(out, (ASN1_VALUE *)cms, 95296341Sdelphij ASN1_ITEM_rptr(CMS_ContentInfo)); 96296341Sdelphij} 97183234Ssimon 98238405Sjkim/* CMS wrappers round generalised stream and MIME routines */ 99183234Ssimon 100238405Sjkimint i2d_CMS_bio_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags) 101296341Sdelphij{ 102296341Sdelphij return i2d_ASN1_bio_stream(out, (ASN1_VALUE *)cms, in, flags, 103296341Sdelphij ASN1_ITEM_rptr(CMS_ContentInfo)); 104296341Sdelphij} 105183234Ssimon 106296341Sdelphijint PEM_write_bio_CMS_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, 107296341Sdelphij int flags) 108296341Sdelphij{ 109296341Sdelphij return PEM_write_bio_ASN1_stream(out, (ASN1_VALUE *)cms, in, flags, 110296341Sdelphij "CMS", ASN1_ITEM_rptr(CMS_ContentInfo)); 111296341Sdelphij} 112183234Ssimon 113183234Ssimonint SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags) 114296341Sdelphij{ 115296341Sdelphij STACK_OF(X509_ALGOR) *mdalgs; 116296341Sdelphij int ctype_nid = OBJ_obj2nid(cms->contentType); 117296341Sdelphij int econt_nid = OBJ_obj2nid(CMS_get0_eContentType(cms)); 118296341Sdelphij if (ctype_nid == NID_pkcs7_signed) 119296341Sdelphij mdalgs = cms->d.signedData->digestAlgorithms; 120296341Sdelphij else 121296341Sdelphij mdalgs = NULL; 122183234Ssimon 123296341Sdelphij return SMIME_write_ASN1(bio, (ASN1_VALUE *)cms, data, flags, 124296341Sdelphij ctype_nid, econt_nid, mdalgs, 125296341Sdelphij ASN1_ITEM_rptr(CMS_ContentInfo)); 126296341Sdelphij} 127183234Ssimon 128183234SsimonCMS_ContentInfo *SMIME_read_CMS(BIO *bio, BIO **bcont) 129296341Sdelphij{ 130296341Sdelphij return (CMS_ContentInfo *)SMIME_read_ASN1(bio, bcont, 131296341Sdelphij ASN1_ITEM_rptr 132296341Sdelphij (CMS_ContentInfo)); 133296341Sdelphij} 134