3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 2004 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
61 #include <openssl/x509.h>
62 #include <openssl/x509v3.h>
66 static int ref_cmp(const X509_POLICY_REF * const *a,
67 const X509_POLICY_REF * const *b)
69 return OBJ_cmp((*a)->subjectDomainPolicy, (*b)->subjectDomainPolicy);
72 static void policy_map_free(X509_POLICY_REF * map)
77 static X509_POLICY_REF *policy_map_find(X509_POLICY_CACHE *cache,
82 tmp.subjectDomainPolicy = id;
84 idx = sk_X509_POLICY_REF_find(cache->maps, &tmp);
87 return sk_X509_POLICY_REF_value(cache->maps, idx);
91 * Set policy mapping entries in cache. Note: this modifies the passed
92 * POLICY_MAPPINGS structure
95 int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)
98 X509_POLICY_REF *ref = NULL;
99 ASN1_OBJECT *subjectDomainPolicyRef;
100 X509_POLICY_DATA *data;
101 X509_POLICY_CACHE *cache = x->policy_cache;
104 if (sk_POLICY_MAPPING_num(maps) == 0) {
108 cache->maps = sk_X509_POLICY_REF_new(ref_cmp);
109 for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) {
110 map = sk_POLICY_MAPPING_value(maps, i);
111 /* Reject if map to or from anyPolicy */
112 if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy)
113 || (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) {
118 /* If we've already mapped from this OID bad mapping */
119 if (policy_map_find(cache, map->subjectDomainPolicy) != NULL) {
124 /* Attempt to find matching policy data */
125 data = policy_cache_find_data(cache, map->issuerDomainPolicy);
126 /* If we don't have anyPolicy can't map */
127 if (!data && !cache->anyPolicy)
130 /* Create a NODE from anyPolicy */
132 data = policy_data_new(NULL, map->issuerDomainPolicy,
133 cache->anyPolicy->flags
134 & POLICY_DATA_FLAG_CRITICAL);
137 data->qualifier_set = cache->anyPolicy->qualifier_set;
138 map->issuerDomainPolicy = NULL;
139 data->flags |= POLICY_DATA_FLAG_MAPPED_ANY;
140 data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
141 if (!sk_X509_POLICY_DATA_push(cache->data, data)) {
142 policy_data_free(data);
146 data->flags |= POLICY_DATA_FLAG_MAPPED;
148 if (!sk_ASN1_OBJECT_push(data->expected_policy_set,
149 map->subjectDomainPolicy))
152 * map->subjectDomainPolicy will be freed when cache->data is freed.
153 * Set it to NULL to avoid double-free.
155 subjectDomainPolicyRef = map->subjectDomainPolicy;
156 map->subjectDomainPolicy = NULL;
158 ref = OPENSSL_malloc(sizeof(X509_POLICY_REF));
162 ref->subjectDomainPolicy = subjectDomainPolicyRef;
165 if (!sk_X509_POLICY_REF_push(cache->maps, ref))
175 x->ex_flags |= EXFLAG_INVALID_POLICY;
177 policy_map_free(ref);
179 sk_X509_POLICY_REF_pop_free(cache->maps, policy_map_free);
182 sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);