lib/libcrypto/x509v3/pcy_data.c

   1 /* $OpenBSD: pcy_data.c,v 1.9 2015/07/15 16:53:42 miod Exp $ */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project 2004.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 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 <openssl/x509.h>
  60 #include <openssl/x509v3.h>
  61
  62 #include "pcy_int.h"
  63
  64 /* Policy Node routines */
  65
  66 void
  67 policy_data_free(X509_POLICY_DATA *data)
  68 {
  69         ASN1_OBJECT_free(data->valid_policy);
  70         /* Don't free qualifiers if shared */
  71         if (!(data->flags & POLICY_DATA_FLAG_SHARED_QUALIFIERS))
  72                 sk_POLICYQUALINFO_pop_free(data->qualifier_set,
  73                     POLICYQUALINFO_free);
  74         sk_ASN1_OBJECT_pop_free(data->expected_policy_set, ASN1_OBJECT_free);
  75         free(data);
  76 }
  77
  78 /* Create a data based on an existing policy. If 'id' is NULL use the
  79  * oid in the policy, otherwise use 'id'. This behaviour covers the two
  80  * types of data in RFC3280: data with from a CertificatePolcies extension
  81  * and additional data with just the qualifiers of anyPolicy and ID from
  82  * another source.
  83  */
  84
  85 X509_POLICY_DATA *
  86 policy_data_new(POLICYINFO *policy, const ASN1_OBJECT *cid, int crit)
  87 {
  88         X509_POLICY_DATA *ret = NULL;
  89         ASN1_OBJECT *id = NULL;
  90
  91         if (policy == NULL && cid == NULL)
  92                 return NULL;
  93         if (cid != NULL) {
  94                 id = OBJ_dup(cid);
  95                 if (id == NULL)
  96                         return NULL;
  97         }
  98         ret = malloc(sizeof(X509_POLICY_DATA));
  99         if (ret == NULL)
 100                 goto err;
 101         ret->expected_policy_set = sk_ASN1_OBJECT_new_null();
 102         if (ret->expected_policy_set == NULL)
 103                 goto err;
 104
 105         if (crit)
 106                 ret->flags = POLICY_DATA_FLAG_CRITICAL;
 107         else
 108                 ret->flags = 0;
 109
 110         if (id != NULL)
 111                 ret->valid_policy = id;
 112         else {
 113                 ret->valid_policy = policy->policyid;
 114                 policy->policyid = NULL;
 115         }
 116
 117         if (policy != NULL) {
 118                 ret->qualifier_set = policy->qualifiers;
 119                 policy->qualifiers = NULL;
 120         } else
 121                 ret->qualifier_set = NULL;
 122
 123         return ret;
 124
 125 err:
 126         free(ret);
 127         ASN1_OBJECT_free(id);
 128         return NULL;
 129 }