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      1 /* pcy_map.c */
      2 /* Written by Dr Stephen N Henson (steve (at) 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 (at) 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 (at) cryptsoft.com).  This product includes software written by Tim
     55  * Hudson (tjh (at) cryptsoft.com).
     56  *
     57  */
     58 
     59 #include <openssl/obj.h>
     60 #include <openssl/x509.h>
     61 #include <openssl/x509v3.h>
     62 
     63 #include "pcy_int.h"
     64 
     65 
     66 /* Set policy mapping entries in cache.
     67  * Note: this modifies the passed POLICY_MAPPINGS structure
     68  */
     69 
     70 int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)
     71 	{
     72 	POLICY_MAPPING *map;
     73 	X509_POLICY_DATA *data;
     74 	X509_POLICY_CACHE *cache = x->policy_cache;
     75 	size_t i;
     76 	int ret = 0;
     77 	if (sk_POLICY_MAPPING_num(maps) == 0)
     78 		{
     79 		ret = -1;
     80 		goto bad_mapping;
     81 		}
     82 	for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++)
     83 		{
     84 		map = sk_POLICY_MAPPING_value(maps, i);
     85 		/* Reject if map to or from anyPolicy */
     86 		if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy)
     87 		   || (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy))
     88 			{
     89 			ret = -1;
     90 			goto bad_mapping;
     91 			}
     92 
     93 		/* Attempt to find matching policy data */
     94 		data = policy_cache_find_data(cache, map->issuerDomainPolicy);
     95 		/* If we don't have anyPolicy can't map */
     96 		if (!data && !cache->anyPolicy)
     97 			continue;
     98 
     99 		/* Create a NODE from anyPolicy */
    100 		if (!data)
    101 			{
    102 			data = policy_data_new(NULL, map->issuerDomainPolicy,
    103 					cache->anyPolicy->flags
    104 						& POLICY_DATA_FLAG_CRITICAL);
    105 			if (!data)
    106 				goto bad_mapping;
    107 			data->qualifier_set = cache->anyPolicy->qualifier_set;
    108 			/*map->issuerDomainPolicy = NULL;*/
    109 			data->flags |= POLICY_DATA_FLAG_MAPPED_ANY;
    110 			data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
    111 			if (!sk_X509_POLICY_DATA_push(cache->data, data))
    112 				{
    113 				policy_data_free(data);
    114 				goto bad_mapping;
    115 				}
    116 			}
    117 		else
    118 			data->flags |= POLICY_DATA_FLAG_MAPPED;
    119 		if (!sk_ASN1_OBJECT_push(data->expected_policy_set,
    120 						map->subjectDomainPolicy))
    121 			goto bad_mapping;
    122 		map->subjectDomainPolicy = NULL;
    123 
    124 		}
    125 
    126 	ret = 1;
    127 	bad_mapping:
    128 	if (ret == -1)
    129 		x->ex_flags |= EXFLAG_INVALID_POLICY;
    130 	sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);
    131 	return ret;
    132 
    133 	}
    134