1 | /* pcy_map.c */ |
2 | /* |
3 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project |
4 | * 2004. |
5 | */ |
6 | /* ==================================================================== |
7 | * Copyright (c) 2004 The OpenSSL Project. All rights reserved. |
8 | * |
9 | * Redistribution and use in source and binary forms, with or without |
10 | * modification, are permitted provided that the following conditions |
11 | * are met: |
12 | * |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * |
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 |
19 | * distribution. |
20 | * |
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/)" |
25 | * |
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. |
30 | * |
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. |
34 | * |
35 | * 6. Redistributions of any form whatsoever must retain the following |
36 | * acknowledgment: |
37 | * "This product includes software developed by the OpenSSL Project |
38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
39 | * |
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 | * ==================================================================== |
53 | * |
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). |
57 | * |
58 | */ |
59 | |
60 | #include <openssl/obj.h> |
61 | #include <openssl/x509.h> |
62 | #include <openssl/x509v3.h> |
63 | |
64 | #include "pcy_int.h" |
65 | |
66 | /* |
67 | * Set policy mapping entries in cache. Note: this modifies the passed |
68 | * POLICY_MAPPINGS structure |
69 | */ |
70 | |
71 | int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps) |
72 | { |
73 | POLICY_MAPPING *map; |
74 | X509_POLICY_DATA *data; |
75 | X509_POLICY_CACHE *cache = x->policy_cache; |
76 | size_t i; |
77 | int ret = 0; |
78 | if (sk_POLICY_MAPPING_num(maps) == 0) { |
79 | ret = -1; |
80 | goto bad_mapping; |
81 | } |
82 | for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) { |
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 | ret = -1; |
88 | goto bad_mapping; |
89 | } |
90 | |
91 | /* Attempt to find matching policy data */ |
92 | data = policy_cache_find_data(cache, map->issuerDomainPolicy); |
93 | /* If we don't have anyPolicy can't map */ |
94 | if (!data && !cache->anyPolicy) |
95 | continue; |
96 | |
97 | /* Create a NODE from anyPolicy */ |
98 | if (!data) { |
99 | data = policy_data_new(NULL, map->issuerDomainPolicy, |
100 | cache->anyPolicy->flags |
101 | & POLICY_DATA_FLAG_CRITICAL); |
102 | if (!data) |
103 | goto bad_mapping; |
104 | data->qualifier_set = cache->anyPolicy->qualifier_set; |
105 | /* |
106 | * map->issuerDomainPolicy = NULL; |
107 | */ |
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 | policy_data_free(data); |
112 | goto bad_mapping; |
113 | } |
114 | } else |
115 | data->flags |= POLICY_DATA_FLAG_MAPPED; |
116 | if (!sk_ASN1_OBJECT_push(data->expected_policy_set, |
117 | map->subjectDomainPolicy)) |
118 | goto bad_mapping; |
119 | map->subjectDomainPolicy = NULL; |
120 | |
121 | } |
122 | |
123 | ret = 1; |
124 | bad_mapping: |
125 | if (ret == -1) |
126 | x->ex_flags |= EXFLAG_INVALID_POLICY; |
127 | sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free); |
128 | return ret; |
129 | |
130 | } |
131 | |