release/src/router/openssl/crypto/pkcs7/pk7_attr.c

   1 /* pk7_attr.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project 2001.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2001-2004 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58
  59 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <openssl/bio.h>
  62 #include <openssl/asn1.h>
  63 #include <openssl/asn1t.h>
  64 #include <openssl/pem.h>
  65 #include <openssl/pkcs7.h>
  66 #include <openssl/x509.h>
  67 #include <openssl/err.h>
  68
  69 int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si, STACK_OF(X509_ALGOR) *cap)
  70 {
  71         ASN1_STRING *seq;
  72         if(!(seq = ASN1_STRING_new())) {
  73                 PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE);
  74                 return 0;
  75         }
  76         seq->length = ASN1_item_i2d((ASN1_VALUE *)cap,&seq->data,
  77                                 ASN1_ITEM_rptr(X509_ALGORS));
  78         return PKCS7_add_signed_attribute(si, NID_SMIMECapabilities,
  79                                                         V_ASN1_SEQUENCE, seq);
  80 }
  81
  82 STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
  83         {
  84         ASN1_TYPE *cap;
  85         const unsigned char *p;
  86
  87         cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities);
  88         if (!cap || (cap->type != V_ASN1_SEQUENCE))
  89                 return NULL;
  90         p = cap->value.sequence->data;
  91         return (STACK_OF(X509_ALGOR) *)
  92                 ASN1_item_d2i(NULL, &p, cap->value.sequence->length,
  93                                 ASN1_ITEM_rptr(X509_ALGORS));
  94         }
  95
  96 /* Basic smime-capabilities OID and optional integer arg */
  97 int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
  98 {
  99         X509_ALGOR *alg;
 100
 101         if(!(alg = X509_ALGOR_new())) {
 102                 PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
 103                 return 0;
 104         }
 105         ASN1_OBJECT_free(alg->algorithm);
 106         alg->algorithm = OBJ_nid2obj (nid);
 107         if (arg > 0) {
 108                 ASN1_INTEGER *nbit;
 109                 if(!(alg->parameter = ASN1_TYPE_new())) {
 110                         PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
 111                         return 0;
 112                 }
 113                 if(!(nbit = ASN1_INTEGER_new())) {
 114                         PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
 115                         return 0;
 116                 }
 117                 if(!ASN1_INTEGER_set (nbit, arg)) {
 118                         PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE);
 119                         return 0;
 120                 }
 121                 alg->parameter->value.integer = nbit;
 122                 alg->parameter->type = V_ASN1_INTEGER;
 123         }
 124         sk_X509_ALGOR_push (sk, alg);
 125         return 1;
 126 }
 127
 128 int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid)
 129         {
 130         if (PKCS7_get_signed_attribute(si, NID_pkcs9_contentType))
 131                 return 0;
 132         if (!coid)
 133                 coid = OBJ_nid2obj(NID_pkcs7_data);
 134         return PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
 135                                 V_ASN1_OBJECT, coid);
 136         }
 137
 138 int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t)
 139         {
 140         if (!t && !(t=X509_gmtime_adj(NULL,0)))
 141                 {
 142                 PKCS7err(PKCS7_F_PKCS7_ADD0_ATTRIB_SIGNING_TIME,
 143                                 ERR_R_MALLOC_FAILURE);
 144                 return 0;
 145                 }
 146         return PKCS7_add_signed_attribute(si, NID_pkcs9_signingTime,
 147                                                 V_ASN1_UTCTIME, t);
 148         }
 149
 150 int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,
 151                                 const unsigned char *md, int mdlen)
 152         {
 153         ASN1_OCTET_STRING *os;
 154         os = ASN1_OCTET_STRING_new();
 155         if (!os)
 156                 return 0;
 157         if (!ASN1_STRING_set(os, md, mdlen)
 158                 || !PKCS7_add_signed_attribute(si, NID_pkcs9_messageDigest,
 159                                                 V_ASN1_OCTET_STRING, os))
 160                 {
 161                 ASN1_OCTET_STRING_free(os);
 162                 return 0;
 163                 }
 164         return 1;
 165         }