1/*
2 * Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include "internal/cryptlib.h"
11#include <openssl/x509.h>
12#include <openssl/x509v3.h>
13#include "crypto/x509.h"
14
15#include "pcy_local.h"
16
17/*
18 * Set policy mapping entries in cache. Note: this modifies the passed
19 * POLICY_MAPPINGS structure
20 */
21
22int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)
23{
24 POLICY_MAPPING *map;
25 X509_POLICY_DATA *data;
26 X509_POLICY_CACHE *cache = x->policy_cache;
27 int i;
28 int ret = 0;
29 if (sk_POLICY_MAPPING_num(maps) == 0) {
30 ret = -1;
31 goto bad_mapping;
32 }
33 for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) {
34 map = sk_POLICY_MAPPING_value(maps, i);
35 /* Reject if map to or from anyPolicy */
36 if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy)
37 || (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) {
38 ret = -1;
39 goto bad_mapping;
40 }
41
42 /* Attempt to find matching policy data */
43 data = policy_cache_find_data(cache, map->issuerDomainPolicy);
44 /* If we don't have anyPolicy can't map */
45 if (data == NULL && !cache->anyPolicy)
46 continue;
47
48 /* Create a NODE from anyPolicy */
49 if (data == NULL) {
50 data = policy_data_new(NULL, map->issuerDomainPolicy,
51 cache->anyPolicy->flags
52 & POLICY_DATA_FLAG_CRITICAL);
53 if (data == NULL)
54 goto bad_mapping;
55 data->qualifier_set = cache->anyPolicy->qualifier_set;
56 /*
57 * map->issuerDomainPolicy = NULL;
58 */
59 data->flags |= POLICY_DATA_FLAG_MAPPED_ANY;
60 data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
61 if (!sk_X509_POLICY_DATA_push(cache->data, data)) {
62 policy_data_free(data);
63 goto bad_mapping;
64 }
65 } else
66 data->flags |= POLICY_DATA_FLAG_MAPPED;
67 if (!sk_ASN1_OBJECT_push(data->expected_policy_set,
68 map->subjectDomainPolicy))
69 goto bad_mapping;
70 map->subjectDomainPolicy = NULL;
71
72 }
73
74 ret = 1;
75 bad_mapping:
76 if (ret == -1)
77 x->ex_flags |= EXFLAG_INVALID_POLICY;
78 sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);
79 return ret;
80
81}
82