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.
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10 * modification, are permitted provided that the following conditions
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14 * notice, this list of conditions and the following disclaimer.
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17 * notice, this list of conditions and the following disclaimer in
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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/)"
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32 * nor may "OpenSSL" appear in their names without prior written
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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
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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).
60 DECLARE_STACK_OF(X509_POLICY_DATA)
61 DECLARE_STACK_OF(X509_POLICY_REF)
62 DECLARE_STACK_OF(X509_POLICY_NODE)
64 typedef struct X509_POLICY_DATA_st X509_POLICY_DATA;
65 typedef struct X509_POLICY_REF_st X509_POLICY_REF;
67 /* Internal structures */
70 * This structure and the field names correspond to the Policy 'node' of
71 * RFC3280. NB this structure contains no pointers to parent or child data:
72 * X509_POLICY_NODE contains that. This means that the main policy data can
73 * be kept static and cached with the certificate.
76 struct X509_POLICY_DATA_st {
78 /* Policy OID and qualifiers for this data */
79 ASN1_OBJECT *valid_policy;
80 STACK_OF(POLICYQUALINFO) *qualifier_set;
81 STACK_OF(ASN1_OBJECT) *expected_policy_set;
84 /* X509_POLICY_DATA flags values */
87 * This flag indicates the structure has been mapped using a policy mapping
88 * extension. If policy mapping is not active its references get deleted.
91 #define POLICY_DATA_FLAG_MAPPED 0x1
94 * This flag indicates the data doesn't correspond to a policy in Certificate
95 * Policies: it has been mapped to any policy.
98 #define POLICY_DATA_FLAG_MAPPED_ANY 0x2
100 /* AND with flags to see if any mapping has occurred */
102 #define POLICY_DATA_FLAG_MAP_MASK 0x3
104 /* qualifiers are shared and shouldn't be freed */
106 #define POLICY_DATA_FLAG_SHARED_QUALIFIERS 0x4
108 /* Parent node is an extra node and should be freed */
110 #define POLICY_DATA_FLAG_EXTRA_NODE 0x8
112 /* Corresponding CertificatePolicies is critical */
114 #define POLICY_DATA_FLAG_CRITICAL 0x10
117 * This structure is an entry from a table of mapped policies which cross
118 * reference the policy it refers to.
121 struct X509_POLICY_REF_st {
122 ASN1_OBJECT *subjectDomainPolicy;
123 const X509_POLICY_DATA *data;
126 /* This structure is cached with a certificate */
128 struct X509_POLICY_CACHE_st {
129 /* anyPolicy data or NULL if no anyPolicy */
130 X509_POLICY_DATA *anyPolicy;
131 /* other policy data */
132 STACK_OF(X509_POLICY_DATA) *data;
133 /* If policyMappings extension present a table of mapped policies */
134 STACK_OF(X509_POLICY_REF) *maps;
135 /* If InhibitAnyPolicy present this is its value or -1 if absent. */
138 * If policyConstraints and requireExplicitPolicy present this is its
139 * value or -1 if absent.
143 * If policyConstraints and policyMapping present this is its value or -1
150 * #define POLICY_CACHE_FLAG_CRITICAL POLICY_DATA_FLAG_CRITICAL
153 /* This structure represents the relationship between nodes */
155 struct X509_POLICY_NODE_st {
156 /* node data this refers to */
157 const X509_POLICY_DATA *data;
159 X509_POLICY_NODE *parent;
160 /* Number of child nodes */
164 struct X509_POLICY_LEVEL_st {
165 /* Cert for this level */
167 /* nodes at this level */
168 STACK_OF(X509_POLICY_NODE) *nodes;
170 X509_POLICY_NODE *anyPolicy;
173 * STACK_OF(X509_POLICY_DATA) *extra_data;
178 struct X509_POLICY_TREE_st {
179 /* This is the tree 'level' data */
180 X509_POLICY_LEVEL *levels;
183 * Extra policy data when additional nodes (not from the certificate) are
186 STACK_OF(X509_POLICY_DATA) *extra_data;
187 /* This is the authority constained policy set */
188 STACK_OF(X509_POLICY_NODE) *auth_policies;
189 STACK_OF(X509_POLICY_NODE) *user_policies;
193 /* Set if anyPolicy present in user policies */
194 #define POLICY_FLAG_ANY_POLICY 0x2
198 #define node_data_critical(data) (data->flags & POLICY_DATA_FLAG_CRITICAL)
199 #define node_critical(node) node_data_critical(node->data)
201 /* Internal functions */
203 X509_POLICY_DATA *policy_data_new(POLICYINFO *policy, ASN1_OBJECT *id,
205 void policy_data_free(X509_POLICY_DATA *data);
207 X509_POLICY_DATA *policy_cache_find_data(const X509_POLICY_CACHE *cache,
208 const ASN1_OBJECT *id);
209 int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps);
211 STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void);
213 void policy_cache_init(void);
215 void policy_cache_free(X509_POLICY_CACHE *cache);
217 X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
218 const ASN1_OBJECT *id);
220 X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *sk,
221 const ASN1_OBJECT *id);
223 X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level,
224 X509_POLICY_DATA *data,
225 X509_POLICY_NODE *parent,
226 X509_POLICY_TREE *tree);
227 void policy_node_free(X509_POLICY_NODE *node);
229 const X509_POLICY_CACHE *policy_cache_set(X509 *x);