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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 "cryptlib.h"
     60 #include <openssl/x509.h>
     61 #include <openssl/x509v3.h>
     62 
     63 #include "pcy_int.h"
     64 
     65 /* Set policy mapping entries in cache.
     66  * Note: this modifies the passed POLICY_MAPPINGS structure
     67  */
     68 
     69 int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)
     70 	{
     71 	POLICY_MAPPING *map;
     72 	X509_POLICY_DATA *data;
     73 	X509_POLICY_CACHE *cache = x->policy_cache;
     74 	int i;
     75 	int ret = 0;
     76 	if (sk_POLICY_MAPPING_num(maps) == 0)
     77 		{
     78 		ret = -1;
     79 		goto bad_mapping;
     80 		}
     81 	for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++)
     82 		{
     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 			{
     88 			ret = -1;
     89 			goto bad_mapping;
     90 			}
     91 
     92 		/* Attempt to find matching policy data */
     93 		data = policy_cache_find_data(cache, map->issuerDomainPolicy);
     94 		/* If we don't have anyPolicy can't map */
     95 		if (!data && !cache->anyPolicy)
     96 			continue;
     97 
     98 		/* Create a NODE from anyPolicy */
     99 		if (!data)
    100 			{
    101 			data = policy_data_new(NULL, map->issuerDomainPolicy,
    102 					cache->anyPolicy->flags
    103 						& POLICY_DATA_FLAG_CRITICAL);
    104 			if (!data)
    105 				goto bad_mapping;
    106 			data->qualifier_set = cache->anyPolicy->qualifier_set;
    107 			/*map->issuerDomainPolicy = NULL;*/
    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 				{
    112 				policy_data_free(data);
    113 				goto bad_mapping;
    114 				}
    115 			}
    116 		else
    117 			data->flags |= POLICY_DATA_FLAG_MAPPED;
    118 		if (!sk_ASN1_OBJECT_push(data->expected_policy_set,
    119 						map->subjectDomainPolicy))
    120 			goto bad_mapping;
    121 		map->subjectDomainPolicy = NULL;
    122 
    123 		}
    124 
    125 	ret = 1;
    126 	bad_mapping:
    127 	if (ret == -1)
    128 		x->ex_flags |= EXFLAG_INVALID_POLICY;
    129 	sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);
    130 	return ret;
    131 
    132 	}
    133