/* $OpenBSD: cms_io.c,v 1.11 2019/08/11 10:38:27 jsing Exp $ */ /* * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * project. */ /* ==================================================================== * Copyright (c) 2008 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== */ #include <openssl/asn1t.h> #include <openssl/x509.h> #include <openssl/err.h> #include <openssl/pem.h> #include <openssl/cms.h> #include "cms_lcl.h" int CMS_stream(unsigned char ***boundary, CMS_ContentInfo *cms) { ASN1_OCTET_STRING **pos; pos = CMS_get0_content(cms); if (pos == NULL) return 0; if (*pos == NULL) *pos = ASN1_OCTET_STRING_new(); if (*pos != NULL) { (*pos)->flags |= ASN1_STRING_FLAG_NDEF; (*pos)->flags &= ~ASN1_STRING_FLAG_CONT; *boundary = &(*pos)->data; return 1; } CMSerror(ERR_R_MALLOC_FAILURE); return 0; } CMS_ContentInfo * d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms) { return ASN1_item_d2i_bio(&CMS_ContentInfo_it, bp, cms); } int i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms) { return ASN1_item_i2d_bio(&CMS_ContentInfo_it, bp, cms); } CMS_ContentInfo * PEM_read_bio_CMS(BIO *bp, CMS_ContentInfo **x, pem_password_cb *cb, void *u) { return PEM_ASN1_read_bio((d2i_of_void *)d2i_CMS_ContentInfo, PEM_STRING_CMS, bp, (void **)x, cb, u); } CMS_ContentInfo * PEM_read_CMS(FILE *fp, CMS_ContentInfo **x, pem_password_cb *cb, void *u) { return PEM_ASN1_read((d2i_of_void *)d2i_CMS_ContentInfo, PEM_STRING_CMS, fp, (void **)x, cb, u); } int PEM_write_bio_CMS(BIO *bp, const CMS_ContentInfo *x) { return PEM_ASN1_write_bio((i2d_of_void *)i2d_CMS_ContentInfo, PEM_STRING_CMS, bp, (void *)x, NULL, NULL, 0, NULL, NULL); } int PEM_write_CMS(FILE *fp, const CMS_ContentInfo *x) { return PEM_ASN1_write((i2d_of_void *)i2d_CMS_ContentInfo, PEM_STRING_CMS, fp, (void *)x, NULL, NULL, 0, NULL, NULL); } BIO * BIO_new_CMS(BIO *out, CMS_ContentInfo *cms) { return BIO_new_NDEF(out, (ASN1_VALUE *)cms, &CMS_ContentInfo_it); } /* CMS wrappers round generalised stream and MIME routines */ int i2d_CMS_bio_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags) { return i2d_ASN1_bio_stream(out, (ASN1_VALUE *)cms, in, flags, &CMS_ContentInfo_it); } int PEM_write_bio_CMS_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags) { return PEM_write_bio_ASN1_stream(out, (ASN1_VALUE *)cms, in, flags, "CMS", &CMS_ContentInfo_it); } int SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags) { STACK_OF(X509_ALGOR) *mdalgs; int ctype_nid = OBJ_obj2nid(cms->contentType); int econt_nid = OBJ_obj2nid(CMS_get0_eContentType(cms)); if (ctype_nid == NID_pkcs7_signed) mdalgs = cms->d.signedData->digestAlgorithms; else mdalgs = NULL; return SMIME_write_ASN1(bio, (ASN1_VALUE *)cms, data, flags, ctype_nid, econt_nid, mdalgs, &CMS_ContentInfo_it); } CMS_ContentInfo * SMIME_read_CMS(BIO *bio, BIO **bcont) { return (CMS_ContentInfo *)SMIME_read_ASN1(bio, bcont, &CMS_ContentInfo_it); }