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Viewing changes to crypto/pkcs7/pk7_attr.c

  • Committer: Bazaar Package Importer
  • Author(s): Kurt Roeckx
  • Date: 2011-03-23 19:50:31 UTC
  • Revision ID: james.westby@ubuntu.com-20110323195031-6h9crj4bymhhr8b8
Tags: upstream-0.9.8o
Import upstream version 0.9.8o

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crypto/pkcs7/pk7_attr.c
 
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/* pk7_attr.c */
 
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 
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 * project 2001.
 
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 */
 
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/* ====================================================================
 
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 * Copyright (c) 2001-2004 The OpenSSL Project.  All rights reserved.
 
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 *
 
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 * Redistribution and use in source and binary forms, with or without
 
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 * modification, are permitted provided that the following conditions
 
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 * are met:
 
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 *
 
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 * 1. Redistributions of source code must retain the above copyright
 
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 *    notice, this list of conditions and the following disclaimer. 
 
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 *
 
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 * 2. Redistributions in binary form must reproduce the above copyright
 
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 *    notice, this list of conditions and the following disclaimer in
 
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 *    the documentation and/or other materials provided with the
 
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 *    distribution.
 
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 *
 
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 * 3. All advertising materials mentioning features or use of this
 
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 *    software must display the following acknowledgment:
 
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 *    "This product includes software developed by the OpenSSL Project
 
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 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 
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 *
 
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 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 
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 *    endorse or promote products derived from this software without
 
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 *    prior written permission. For written permission, please contact
 
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 *    licensing@OpenSSL.org.
 
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 *
 
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 * 5. Products derived from this software may not be called "OpenSSL"
 
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 *    nor may "OpenSSL" appear in their names without prior written
 
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 *    permission of the OpenSSL Project.
 
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 *
 
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 * 6. Redistributions of any form whatsoever must retain the following
 
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 *    acknowledgment:
 
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 *    "This product includes software developed by the OpenSSL Project
 
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 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 
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 *
 
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 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 
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 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 
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 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 
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 * OF THE POSSIBILITY OF SUCH DAMAGE.
 
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 * ====================================================================
 
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 *
 
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 * This product includes cryptographic software written by Eric Young
 
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 * (eay@cryptsoft.com).  This product includes software written by Tim
 
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 * Hudson (tjh@cryptsoft.com).
 
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 *
 
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 */
 
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#include <stdio.h>
 
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#include <stdlib.h>
 
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#include <openssl/bio.h>
 
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#include <openssl/asn1.h>
 
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#include <openssl/pem.h>
 
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#include <openssl/pkcs7.h>
 
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#include <openssl/x509.h>
 
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#include <openssl/err.h>
 
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int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si, STACK_OF(X509_ALGOR) *cap)
 
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{
 
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        ASN1_STRING *seq;
 
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        unsigned char *p, *pp;
 
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        int len;
 
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        len=i2d_ASN1_SET_OF_X509_ALGOR(cap,NULL,i2d_X509_ALGOR,
 
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                                       V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL,
 
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                                       IS_SEQUENCE);
 
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        if(!(pp=(unsigned char *)OPENSSL_malloc(len))) {
 
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                PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE);
 
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                return 0;
 
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        }
 
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        p=pp;
 
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        i2d_ASN1_SET_OF_X509_ALGOR(cap,&p,i2d_X509_ALGOR, V_ASN1_SEQUENCE,
 
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                                   V_ASN1_UNIVERSAL, IS_SEQUENCE);
 
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        if(!(seq = ASN1_STRING_new())) {
 
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                PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE);
 
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                return 0;
 
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        }
 
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        if(!ASN1_STRING_set (seq, pp, len)) {
 
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                PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE);
 
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                return 0;
 
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        }
 
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        OPENSSL_free (pp);
 
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        return PKCS7_add_signed_attribute(si, NID_SMIMECapabilities,
 
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                                                        V_ASN1_SEQUENCE, seq);
 
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}
 
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STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
 
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        {
 
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        ASN1_TYPE *cap;
 
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        const unsigned char *p;
 
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        cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities);
 
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        if (!cap || (cap->type != V_ASN1_SEQUENCE))
 
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                return NULL;
 
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        p = cap->value.sequence->data;
 
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        return d2i_ASN1_SET_OF_X509_ALGOR(NULL, &p,
 
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                                          cap->value.sequence->length,
 
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                                          d2i_X509_ALGOR, X509_ALGOR_free,
 
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                                          V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
 
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        }
 
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/* Basic smime-capabilities OID and optional integer arg */
 
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int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
 
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{
 
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        X509_ALGOR *alg;
 
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        if(!(alg = X509_ALGOR_new())) {
 
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                PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
 
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                return 0;
 
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        }
 
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        ASN1_OBJECT_free(alg->algorithm);
 
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        alg->algorithm = OBJ_nid2obj (nid);
 
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        if (arg > 0) {
 
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                ASN1_INTEGER *nbit;
 
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                if(!(alg->parameter = ASN1_TYPE_new())) {
 
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                        PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
 
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                        return 0;
 
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                }
 
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                if(!(nbit = ASN1_INTEGER_new())) {
 
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                        PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
 
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                        return 0;
 
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                }
 
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                if(!ASN1_INTEGER_set (nbit, arg)) {
 
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                        PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
 
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                        return 0;
 
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                }
 
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                alg->parameter->value.integer = nbit;
 
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                alg->parameter->type = V_ASN1_INTEGER;
 
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        }
 
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        sk_X509_ALGOR_push (sk, alg);
 
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        return 1;
 
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}