crypto/x509v3/pcy_map.c

   1 /* pcy_map.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   4  * 2004.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in
  18  *    the documentation and/or other materials provided with the
  19  *    distribution.
  20  *
  21  * 3. All advertising materials mentioning features or use of this
  22  *    software must display the following acknowledgment:
  23  *    "This product includes software developed by the OpenSSL Project
  24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  25  *
  26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  27  *    endorse or promote products derived from this software without
  28  *    prior written permission. For written permission, please contact
  29  *    licensing@OpenSSL.org.
  30  *
  31  * 5. Products derived from this software may not be called "OpenSSL"
  32  *    nor may "OpenSSL" appear in their names without prior written
  33  *    permission of the OpenSSL Project.
  34  *
  35  * 6. Redistributions of any form whatsoever must retain the following
  36  *    acknowledgment:
  37  *    "This product includes software developed by the OpenSSL Project
  38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  51  * OF THE POSSIBILITY OF SUCH DAMAGE.
  52  * ====================================================================
  53  *
  54  * This product includes cryptographic software written by Eric Young
  55  * (eay@cryptsoft.com).  This product includes software written by Tim
  56  * Hudson (tjh@cryptsoft.com).
  57  *
  58  */
  59
  60 #include "cryptlib.h"
  61 #include <openssl/x509.h>
  62 #include <openssl/x509v3.h>
  63
  64 #include "pcy_int.h"
  65
  66 /*
  67  * Set policy mapping entries in cache. Note: this modifies the passed
  68  * POLICY_MAPPINGS structure
  69  */
  70
  71 int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)
  72 {
  73     POLICY_MAPPING *map;
  74     X509_POLICY_DATA *data;
  75     X509_POLICY_CACHE *cache = x->policy_cache;
  76     int i;
  77     int ret = 0;
  78     if (sk_POLICY_MAPPING_num(maps) == 0) {
  79         ret = -1;
  80         goto bad_mapping;
  81     }
  82     for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) {
  83         map = sk_POLICY_MAPPING_value(maps, i);
  84         /* Reject if map to or from anyPolicy */
  85         if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy)
  86             || (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) {
  87             ret = -1;
  88             goto bad_mapping;
  89         }
  90
  91         /* Attempt to find matching policy data */
  92         data = policy_cache_find_data(cache, map->issuerDomainPolicy);
  93         /* If we don't have anyPolicy can't map */
  94         if (!data && !cache->anyPolicy)
  95             continue;
  96
  97         /* Create a NODE from anyPolicy */
  98         if (!data) {
  99             data = policy_data_new(NULL, map->issuerDomainPolicy,
 100                                    cache->anyPolicy->flags
 101                                    & POLICY_DATA_FLAG_CRITICAL);
 102             if (!data)
 103                 goto bad_mapping;
 104             data->qualifier_set = cache->anyPolicy->qualifier_set;
 105             /*
 106              * map->issuerDomainPolicy = NULL;
 107              */
 108             data->flags |= POLICY_DATA_FLAG_MAPPED_ANY;
 109             data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
 110             if (!sk_X509_POLICY_DATA_push(cache->data, data)) {
 111                 policy_data_free(data);
 112                 goto bad_mapping;
 113             }
 114         } else
 115             data->flags |= POLICY_DATA_FLAG_MAPPED;
 116         if (!sk_ASN1_OBJECT_push(data->expected_policy_set,
 117                                  map->subjectDomainPolicy))
 118             goto bad_mapping;
 119         map->subjectDomainPolicy = NULL;
 120
 121     }
 122
 123     ret = 1;
 124  bad_mapping:
 125     if (ret == -1)
 126         x->ex_flags |= EXFLAG_INVALID_POLICY;
 127     sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);
 128     return ret;
 129
 130 }