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1/* $OpenBSD: pcy_int.h,v 1.5 2023/04/26 19:11:32 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#ifndef LIBRESSL_HAS_POLICY_DAG
60
61/* Needed to pull in the typedefs for X509_POLICY_* */
62#include "x509_local.h"
63
64__BEGIN_HIDDEN_DECLS
65
66typedef struct X509_POLICY_DATA_st X509_POLICY_DATA;
67
68DECLARE_STACK_OF(X509_POLICY_DATA)
69DECLARE_STACK_OF(X509_POLICY_NODE)
70
71#define sk_X509_POLICY_DATA_new(cmp) SKM_sk_new(X509_POLICY_DATA, (cmp))
72#define sk_X509_POLICY_DATA_new_null() SKM_sk_new_null(X509_POLICY_DATA)
73#define sk_X509_POLICY_DATA_free(st) SKM_sk_free(X509_POLICY_DATA, (st))
74#define sk_X509_POLICY_DATA_num(st) SKM_sk_num(X509_POLICY_DATA, (st))
75#define sk_X509_POLICY_DATA_value(st, i) SKM_sk_value(X509_POLICY_DATA, (st), (i))
76#define sk_X509_POLICY_DATA_set(st, i, val) SKM_sk_set(X509_POLICY_DATA, (st), (i), (val))
77#define sk_X509_POLICY_DATA_zero(st) SKM_sk_zero(X509_POLICY_DATA, (st))
78#define sk_X509_POLICY_DATA_push(st, val) SKM_sk_push(X509_POLICY_DATA, (st), (val))
79#define sk_X509_POLICY_DATA_unshift(st, val) SKM_sk_unshift(X509_POLICY_DATA, (st), (val))
80#define sk_X509_POLICY_DATA_find(st, val) SKM_sk_find(X509_POLICY_DATA, (st), (val))
81#define sk_X509_POLICY_DATA_find_ex(st, val) SKM_sk_find_ex(X509_POLICY_DATA, (st), (val))
82#define sk_X509_POLICY_DATA_delete(st, i) SKM_sk_delete(X509_POLICY_DATA, (st), (i))
83#define sk_X509_POLICY_DATA_delete_ptr(st, ptr) SKM_sk_delete_ptr(X509_POLICY_DATA, (st), (ptr))
84#define sk_X509_POLICY_DATA_insert(st, val, i) SKM_sk_insert(X509_POLICY_DATA, (st), (val), (i))
85#define sk_X509_POLICY_DATA_set_cmp_func(st, cmp) SKM_sk_set_cmp_func(X509_POLICY_DATA, (st), (cmp))
86#define sk_X509_POLICY_DATA_dup(st) SKM_sk_dup(X509_POLICY_DATA, st)
87#define sk_X509_POLICY_DATA_pop_free(st, free_func) SKM_sk_pop_free(X509_POLICY_DATA, (st), (free_func))
88#define sk_X509_POLICY_DATA_shift(st) SKM_sk_shift(X509_POLICY_DATA, (st))
89#define sk_X509_POLICY_DATA_pop(st) SKM_sk_pop(X509_POLICY_DATA, (st))
90#define sk_X509_POLICY_DATA_sort(st) SKM_sk_sort(X509_POLICY_DATA, (st))
91#define sk_X509_POLICY_DATA_is_sorted(st) SKM_sk_is_sorted(X509_POLICY_DATA, (st))
92
93#define sk_X509_POLICY_NODE_new(cmp) SKM_sk_new(X509_POLICY_NODE, (cmp))
94#define sk_X509_POLICY_NODE_new_null() SKM_sk_new_null(X509_POLICY_NODE)
95#define sk_X509_POLICY_NODE_free(st) SKM_sk_free(X509_POLICY_NODE, (st))
96#define sk_X509_POLICY_NODE_num(st) SKM_sk_num(X509_POLICY_NODE, (st))
97#define sk_X509_POLICY_NODE_value(st, i) SKM_sk_value(X509_POLICY_NODE, (st), (i))
98#define sk_X509_POLICY_NODE_set(st, i, val) SKM_sk_set(X509_POLICY_NODE, (st), (i), (val))
99#define sk_X509_POLICY_NODE_zero(st) SKM_sk_zero(X509_POLICY_NODE, (st))
100#define sk_X509_POLICY_NODE_push(st, val) SKM_sk_push(X509_POLICY_NODE, (st), (val))
101#define sk_X509_POLICY_NODE_unshift(st, val) SKM_sk_unshift(X509_POLICY_NODE, (st), (val))
102#define sk_X509_POLICY_NODE_find(st, val) SKM_sk_find(X509_POLICY_NODE, (st), (val))
103#define sk_X509_POLICY_NODE_find_ex(st, val) SKM_sk_find_ex(X509_POLICY_NODE, (st), (val))
104#define sk_X509_POLICY_NODE_delete(st, i) SKM_sk_delete(X509_POLICY_NODE, (st), (i))
105#define sk_X509_POLICY_NODE_delete_ptr(st, ptr) SKM_sk_delete_ptr(X509_POLICY_NODE, (st), (ptr))
106#define sk_X509_POLICY_NODE_insert(st, val, i) SKM_sk_insert(X509_POLICY_NODE, (st), (val), (i))
107#define sk_X509_POLICY_NODE_set_cmp_func(st, cmp) SKM_sk_set_cmp_func(X509_POLICY_NODE, (st), (cmp))
108#define sk_X509_POLICY_NODE_dup(st) SKM_sk_dup(X509_POLICY_NODE, st)
109#define sk_X509_POLICY_NODE_pop_free(st, free_func) SKM_sk_pop_free(X509_POLICY_NODE, (st), (free_func))
110#define sk_X509_POLICY_NODE_shift(st) SKM_sk_shift(X509_POLICY_NODE, (st))
111#define sk_X509_POLICY_NODE_pop(st) SKM_sk_pop(X509_POLICY_NODE, (st))
112#define sk_X509_POLICY_NODE_sort(st) SKM_sk_sort(X509_POLICY_NODE, (st))
113#define sk_X509_POLICY_NODE_is_sorted(st) SKM_sk_is_sorted(X509_POLICY_NODE, (st))
114
115/* This structure and the field names correspond to the Policy 'node' of
116 * RFC3280. NB this structure contains no pointers to parent or child
117 * data: X509_POLICY_NODE contains that. This means that the main policy data
118 * can be kept static and cached with the certificate.
119 */
120
121struct X509_POLICY_DATA_st {
122 unsigned int flags;
123 /* Policy OID and qualifiers for this data */
124 ASN1_OBJECT *valid_policy;
125 STACK_OF(POLICYQUALINFO) *qualifier_set;
126 STACK_OF(ASN1_OBJECT) *expected_policy_set;
127};
128
129/* X509_POLICY_DATA flags values */
130
131/* This flag indicates the structure has been mapped using a policy mapping
132 * extension. If policy mapping is not active its references get deleted.
133 */
134
135#define POLICY_DATA_FLAG_MAPPED 0x1
136
137/* This flag indicates the data doesn't correspond to a policy in Certificate
138 * Policies: it has been mapped to any policy.
139 */
140
141#define POLICY_DATA_FLAG_MAPPED_ANY 0x2
142
143/* AND with flags to see if any mapping has occurred */
144
145#define POLICY_DATA_FLAG_MAP_MASK 0x3
146
147/* qualifiers are shared and shouldn't be freed */
148
149#define POLICY_DATA_FLAG_SHARED_QUALIFIERS 0x4
150
151/* Parent node is an extra node and should be freed */
152
153#define POLICY_DATA_FLAG_EXTRA_NODE 0x8
154
155/* Corresponding CertificatePolicies is critical */
156
157#define POLICY_DATA_FLAG_CRITICAL 0x10
158
159/* This structure is cached with a certificate */
160
161struct X509_POLICY_CACHE_st {
162 /* anyPolicy data or NULL if no anyPolicy */
163 X509_POLICY_DATA *anyPolicy;
164 /* other policy data */
165 STACK_OF(X509_POLICY_DATA) *data;
166 /* If InhibitAnyPolicy present this is its value or -1 if absent. */
167 long any_skip;
168 /* If policyConstraints and requireExplicitPolicy present this is its
169 * value or -1 if absent.
170 */
171 long explicit_skip;
172 /* If policyConstraints and policyMapping present this is its
173 * value or -1 if absent.
174 */
175 long map_skip;
176};
177
178/*#define POLICY_CACHE_FLAG_CRITICAL POLICY_DATA_FLAG_CRITICAL*/
179
180/* This structure represents the relationship between nodes */
181
182struct X509_POLICY_NODE_st {
183 /* node data this refers to */
184 const X509_POLICY_DATA *data;
185 /* Parent node */
186 X509_POLICY_NODE *parent;
187 /* Number of child nodes */
188 int nchild;
189};
190
191struct X509_POLICY_LEVEL_st {
192 /* Cert for this level */
193 X509 *cert;
194 /* nodes at this level */
195 STACK_OF(X509_POLICY_NODE) *nodes;
196 /* anyPolicy node */
197 X509_POLICY_NODE *anyPolicy;
198 /* Extra data */
199 /*STACK_OF(X509_POLICY_DATA) *extra_data;*/
200 unsigned int flags;
201};
202
203struct X509_POLICY_TREE_st {
204 /* This is the tree 'level' data */
205 X509_POLICY_LEVEL *levels;
206 int nlevel;
207 /* Extra policy data when additional nodes (not from the certificate)
208 * are required.
209 */
210 STACK_OF(X509_POLICY_DATA) *extra_data;
211 /* This is the authority constained policy set */
212 STACK_OF(X509_POLICY_NODE) *auth_policies;
213 STACK_OF(X509_POLICY_NODE) *user_policies;
214 unsigned int flags;
215};
216
217/* Set if anyPolicy present in user policies */
218#define POLICY_FLAG_ANY_POLICY 0x2
219
220/* Useful macros */
221
222#define node_data_critical(data) (data->flags & POLICY_DATA_FLAG_CRITICAL)
223#define node_critical(node) node_data_critical(node->data)
224
225/* Internal functions */
226
227X509_POLICY_DATA *policy_data_new(POLICYINFO *policy, const ASN1_OBJECT *id,
228 int crit);
229void policy_data_free(X509_POLICY_DATA *data);
230
231X509_POLICY_DATA *policy_cache_find_data(const X509_POLICY_CACHE *cache,
232 const ASN1_OBJECT *id);
233int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps);
234
235
236STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void);
237
238void policy_cache_init(void);
239
240void policy_cache_free(X509_POLICY_CACHE *cache);
241
242X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
243 const X509_POLICY_NODE *parent, const ASN1_OBJECT *id);
244
245X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *sk,
246 const ASN1_OBJECT *id);
247
248int level_add_node(X509_POLICY_LEVEL *level,
249 const X509_POLICY_DATA *data, X509_POLICY_NODE *parent,
250 X509_POLICY_TREE *tree, X509_POLICY_NODE **nodep);
251void policy_node_free(X509_POLICY_NODE *node);
252int policy_node_match(const X509_POLICY_LEVEL *lvl,
253 const X509_POLICY_NODE *node, const ASN1_OBJECT *oid);
254
255const X509_POLICY_CACHE *policy_cache_set(X509 *x);
256
257int X509_policy_tree_level_count(const X509_POLICY_TREE *tree);
258X509_POLICY_LEVEL *
259 X509_policy_tree_get0_level(const X509_POLICY_TREE *tree, int i);
260
261STACK_OF(X509_POLICY_NODE) *
262 X509_policy_tree_get0_policies(const X509_POLICY_TREE *tree);
263
264STACK_OF(X509_POLICY_NODE) *
265 X509_policy_tree_get0_user_policies(const X509_POLICY_TREE *tree);
266
267int X509_policy_level_node_count(X509_POLICY_LEVEL *level);
268
269X509_POLICY_NODE *X509_policy_level_get0_node(X509_POLICY_LEVEL *level, int i);
270
271const ASN1_OBJECT *X509_policy_node_get0_policy(const X509_POLICY_NODE *node);
272
273STACK_OF(POLICYQUALINFO) *
274 X509_policy_node_get0_qualifiers(const X509_POLICY_NODE *node);
275const X509_POLICY_NODE *
276 X509_policy_node_get0_parent(const X509_POLICY_NODE *node);
277
278
279__END_HIDDEN_DECLS
280
281#endif /* LIBRESSL_HAS_POLICY_DAG */
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