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1/* $OpenBSD: pcy_int.h,v 1.4 2015/07/18 00:01:05 beck Exp $ */
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 unsigned int flags;
74 /* Policy OID and qualifiers for this data */
75 ASN1_OBJECT *valid_policy;
76 STACK_OF(POLICYQUALINFO) *qualifier_set;
77 STACK_OF(ASN1_OBJECT) *expected_policy_set;
78};
79
80/* X509_POLICY_DATA flags values */
81
82/* This flag indicates the structure has been mapped using a policy mapping
83 * extension. If policy mapping is not active its references get deleted.
84 */
85
86#define POLICY_DATA_FLAG_MAPPED 0x1
87
88/* This flag indicates the data doesn't correspond to a policy in Certificate
89 * Policies: it has been mapped to any policy.
90 */
91
92#define POLICY_DATA_FLAG_MAPPED_ANY 0x2
93
94/* AND with flags to see if any mapping has occurred */
95
96#define POLICY_DATA_FLAG_MAP_MASK 0x3
97
98/* qualifiers are shared and shouldn't be freed */
99
100#define POLICY_DATA_FLAG_SHARED_QUALIFIERS 0x4
101
102/* Parent node is an extra node and should be freed */
103
104#define POLICY_DATA_FLAG_EXTRA_NODE 0x8
105
106/* Corresponding CertificatePolicies is critical */
107
108#define POLICY_DATA_FLAG_CRITICAL 0x10
109
110/* This structure is cached with a certificate */
111
112struct X509_POLICY_CACHE_st {
113 /* anyPolicy data or NULL if no anyPolicy */
114 X509_POLICY_DATA *anyPolicy;
115 /* other policy data */
116 STACK_OF(X509_POLICY_DATA) *data;
117 /* If InhibitAnyPolicy present this is its value or -1 if absent. */
118 long any_skip;
119 /* If policyConstraints and requireExplicitPolicy present this is its
120 * value or -1 if absent.
121 */
122 long explicit_skip;
123 /* If policyConstraints and policyMapping present this is its
124 * value or -1 if absent.
125 */
126 long map_skip;
127};
128
129/*#define POLICY_CACHE_FLAG_CRITICAL POLICY_DATA_FLAG_CRITICAL*/
130
131/* This structure represents the relationship between nodes */
132
133struct X509_POLICY_NODE_st {
134 /* node data this refers to */
135 const X509_POLICY_DATA *data;
136 /* Parent node */
137 X509_POLICY_NODE *parent;
138 /* Number of child nodes */
139 int nchild;
140};
141
142struct X509_POLICY_LEVEL_st {
143 /* Cert for this level */
144 X509 *cert;
145 /* nodes at this level */
146 STACK_OF(X509_POLICY_NODE) *nodes;
147 /* anyPolicy node */
148 X509_POLICY_NODE *anyPolicy;
149 /* Extra data */
150 /*STACK_OF(X509_POLICY_DATA) *extra_data;*/
151 unsigned int flags;
152};
153
154struct X509_POLICY_TREE_st {
155 /* This is the tree 'level' data */
156 X509_POLICY_LEVEL *levels;
157 int nlevel;
158 /* Extra policy data when additional nodes (not from the certificate)
159 * are required.
160 */
161 STACK_OF(X509_POLICY_DATA) *extra_data;
162 /* This is the authority constained policy set */
163 STACK_OF(X509_POLICY_NODE) *auth_policies;
164 STACK_OF(X509_POLICY_NODE) *user_policies;
165 unsigned int flags;
166};
167
168/* Set if anyPolicy present in user policies */
169#define POLICY_FLAG_ANY_POLICY 0x2
170
171/* Useful macros */
172
173#define node_data_critical(data) (data->flags & POLICY_DATA_FLAG_CRITICAL)
174#define node_critical(node) node_data_critical(node->data)
175
176/* Internal functions */
177
178X509_POLICY_DATA *policy_data_new(POLICYINFO *policy, const ASN1_OBJECT *id,
179 int crit);
180void policy_data_free(X509_POLICY_DATA *data);
181
182X509_POLICY_DATA *policy_cache_find_data(const X509_POLICY_CACHE *cache,
183 const ASN1_OBJECT *id);
184int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps);
185
186
187STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void);
188
189void policy_cache_init(void);
190
191void policy_cache_free(X509_POLICY_CACHE *cache);
192
193X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
194 const X509_POLICY_NODE *parent, const ASN1_OBJECT *id);
195
196X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *sk,
197 const ASN1_OBJECT *id);
198
199int level_add_node(X509_POLICY_LEVEL *level,
200 const X509_POLICY_DATA *data, X509_POLICY_NODE *parent,
201 X509_POLICY_TREE *tree, X509_POLICY_NODE **nodep);
202void policy_node_free(X509_POLICY_NODE *node);
203int policy_node_match(const X509_POLICY_LEVEL *lvl,
204 const X509_POLICY_NODE *node, const ASN1_OBJECT *oid);
205
206const X509_POLICY_CACHE *policy_cache_set(X509 *x);
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