1/* pcy_map.c */
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/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
70int 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