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1/* pcy_int.h */
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
60typedef struct X509_POLICY_DATA_st X509_POLICY_DATA;
61
62DECLARE_STACK_OF(X509_POLICY_DATA)
63
64/* Internal structures */
65
66/* This structure and the field names correspond to the Policy 'node' of
67 * RFC3280. NB this structure contains no pointers to parent or child
68 * data: X509_POLICY_NODE contains that. This means that the main policy data
69 * can be kept static and cached with the certificate.
70 */
71
72struct X509_POLICY_DATA_st
73 {
74 unsigned int flags;
75 /* Policy OID and qualifiers for this data */
76 ASN1_OBJECT *valid_policy;
77 STACK_OF(POLICYQUALINFO) *qualifier_set;
78 STACK_OF(ASN1_OBJECT) *expected_policy_set;
79 };
80
81/* X509_POLICY_DATA flags values */
82
83/* This flag indicates the structure has been mapped using a policy mapping
84 * extension. If policy mapping is not active its references get deleted.
85 */
86
87#define POLICY_DATA_FLAG_MAPPED 0x1
88
89/* This flag indicates the data doesn't correspond to a policy in Certificate
90 * Policies: it has been mapped to any policy.
91 */
92
93#define POLICY_DATA_FLAG_MAPPED_ANY 0x2
94
95/* AND with flags to see if any mapping has occurred */
96
97#define POLICY_DATA_FLAG_MAP_MASK 0x3
98
99/* qualifiers are shared and shouldn't be freed */
100
101#define POLICY_DATA_FLAG_SHARED_QUALIFIERS 0x4
102
103/* Parent node is an extra node and should be freed */
104
105#define POLICY_DATA_FLAG_EXTRA_NODE 0x8
106
107/* Corresponding CertificatePolicies is critical */
108
109#define POLICY_DATA_FLAG_CRITICAL 0x10
110
111/* This structure is cached with a certificate */
112
113struct X509_POLICY_CACHE_st {
114 /* anyPolicy data or NULL if no anyPolicy */
115 X509_POLICY_DATA *anyPolicy;
116 /* other policy data */
117 STACK_OF(X509_POLICY_DATA) *data;
118 /* If InhibitAnyPolicy present this is its value or -1 if absent. */
119 long any_skip;
120 /* If policyConstraints and requireExplicitPolicy present this is its
121 * value or -1 if absent.
122 */
123 long explicit_skip;
124 /* If policyConstraints and policyMapping present this is its
125 * value or -1 if absent.
126 */
127 long map_skip;
128 };
129
130/*#define POLICY_CACHE_FLAG_CRITICAL POLICY_DATA_FLAG_CRITICAL*/
131
132/* This structure represents the relationship between nodes */
133
134struct X509_POLICY_NODE_st
135 {
136 /* node data this refers to */
137 const X509_POLICY_DATA *data;
138 /* Parent node */
139 X509_POLICY_NODE *parent;
140 /* Number of child nodes */
141 int nchild;
142 };
143
144struct X509_POLICY_LEVEL_st
145 {
146 /* Cert for this level */
147 X509 *cert;
148 /* nodes at this level */
149 STACK_OF(X509_POLICY_NODE) *nodes;
150 /* anyPolicy node */
151 X509_POLICY_NODE *anyPolicy;
152 /* Extra data */
153 /*STACK_OF(X509_POLICY_DATA) *extra_data;*/
154 unsigned int flags;
155 };
156
157struct X509_POLICY_TREE_st
158 {
159 /* This is the tree 'level' data */
160 X509_POLICY_LEVEL *levels;
161 int nlevel;
162 /* Extra policy data when additional nodes (not from the certificate)
163 * are required.
164 */
165 STACK_OF(X509_POLICY_DATA) *extra_data;
166 /* This is the authority constained policy set */
167 STACK_OF(X509_POLICY_NODE) *auth_policies;
168 STACK_OF(X509_POLICY_NODE) *user_policies;
169 unsigned int flags;
170 };
171
172/* Set if anyPolicy present in user policies */
173#define POLICY_FLAG_ANY_POLICY 0x2
174
175/* Useful macros */
176
177#define node_data_critical(data) (data->flags & POLICY_DATA_FLAG_CRITICAL)
178#define node_critical(node) node_data_critical(node->data)
179
180/* Internal functions */
181
182X509_POLICY_DATA *policy_data_new(POLICYINFO *policy, const ASN1_OBJECT *id,
183 int crit);
184void policy_data_free(X509_POLICY_DATA *data);
185
186X509_POLICY_DATA *policy_cache_find_data(const X509_POLICY_CACHE *cache,
187 const ASN1_OBJECT *id);
188int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps);
189
190
191STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void);
192
193void policy_cache_init(void);
194
195void policy_cache_free(X509_POLICY_CACHE *cache);
196
197X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
198 const X509_POLICY_NODE *parent,
199 const ASN1_OBJECT *id);
200
201X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *sk,
202 const ASN1_OBJECT *id);
203
204X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level,
205 const X509_POLICY_DATA *data,
206 X509_POLICY_NODE *parent,
207 X509_POLICY_TREE *tree);
208void policy_node_free(X509_POLICY_NODE *node);
209int policy_node_match(const X509_POLICY_LEVEL *lvl,
210 const X509_POLICY_NODE *node, const ASN1_OBJECT *oid);
211
212const X509_POLICY_CACHE *policy_cache_set(X509 *x);
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