versadac  1
versadac - Scalable Recorder Firmware
pcy_int.h
1 /* pcy_int.h */
2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 DECLARE_STACK_OF(X509_POLICY_DATA)
60 DECLARE_STACK_OF(X509_POLICY_REF)
61 DECLARE_STACK_OF(X509_POLICY_NODE)
62 
64 typedef struct X509_POLICY_REF_st X509_POLICY_REF;
65 
66 /* Internal structures */
67 
68 /* This structure and the field names correspond to the Policy 'node' of
69  * RFC3280. NB this structure contains no pointers to parent or child
70  * data: X509_POLICY_NODE contains that. This means that the main policy data
71  * can be kept static and cached with the certificate.
72  */
73 
75  {
76  unsigned int flags;
77  /* Policy OID and qualifiers for this data */
78  ASN1_OBJECT *valid_policy;
79  STACK_OF(POLICYQUALINFO) *qualifier_set;
80  STACK_OF(ASN1_OBJECT) *expected_policy_set;
81  };
82 
83 /* X509_POLICY_DATA flags values */
84 
85 /* This flag indicates the structure has been mapped using a policy mapping
86  * extension. If policy mapping is not active its references get deleted.
87  */
88 
89 #define POLICY_DATA_FLAG_MAPPED 0x1
90 
91 /* This flag indicates the data doesn't correspond to a policy in Certificate
92  * Policies: it has been mapped to any policy.
93  */
94 
95 #define POLICY_DATA_FLAG_MAPPED_ANY 0x2
96 
97 /* AND with flags to see if any mapping has occurred */
98 
99 #define POLICY_DATA_FLAG_MAP_MASK 0x3
100 
101 /* qualifiers are shared and shouldn't be freed */
102 
103 #define POLICY_DATA_FLAG_SHARED_QUALIFIERS 0x4
104 
105 /* Parent node is an extra node and should be freed */
106 
107 #define POLICY_DATA_FLAG_EXTRA_NODE 0x8
108 
109 /* Corresponding CertificatePolicies is critical */
110 
111 #define POLICY_DATA_FLAG_CRITICAL 0x10
112 
113 /* This structure is an entry from a table of mapped policies which
114  * cross reference the policy it refers to.
115  */
116 
118  {
119  ASN1_OBJECT *subjectDomainPolicy;
120  const X509_POLICY_DATA *data;
121  };
122 
123 /* This structure is cached with a certificate */
124 
126  /* anyPolicy data or NULL if no anyPolicy */
127  X509_POLICY_DATA *anyPolicy;
128  /* other policy data */
129  STACK_OF(X509_POLICY_DATA) *data;
130  /* If policyMappings extension present a table of mapped policies */
131  STACK_OF(X509_POLICY_REF) *maps;
132  /* If InhibitAnyPolicy present this is its value or -1 if absent. */
133  long any_skip;
134  /* If policyConstraints and requireExplicitPolicy present this is its
135  * value or -1 if absent.
136  */
137  long explicit_skip;
138  /* If policyConstraints and policyMapping present this is its
139  * value or -1 if absent.
140  */
141  long map_skip;
142  };
143 
144 /*#define POLICY_CACHE_FLAG_CRITICAL POLICY_DATA_FLAG_CRITICAL*/
145 
146 /* This structure represents the relationship between nodes */
147 
149  {
150  /* node data this refers to */
151  const X509_POLICY_DATA *data;
152  /* Parent node */
153  X509_POLICY_NODE *parent;
154  /* Number of child nodes */
155  int nchild;
156  };
157 
159  {
160  /* Cert for this level */
161  X509 *cert;
162  /* nodes at this level */
163  STACK_OF(X509_POLICY_NODE) *nodes;
164  /* anyPolicy node */
165  X509_POLICY_NODE *anyPolicy;
166  /* Extra data */
167  /*STACK_OF(X509_POLICY_DATA) *extra_data;*/
168  unsigned int flags;
169  };
170 
172  {
173  /* This is the tree 'level' data */
174  X509_POLICY_LEVEL *levels;
175  int nlevel;
176  /* Extra policy data when additional nodes (not from the certificate)
177  * are required.
178  */
179  STACK_OF(X509_POLICY_DATA) *extra_data;
180  /* This is the authority constained policy set */
181  STACK_OF(X509_POLICY_NODE) *auth_policies;
182  STACK_OF(X509_POLICY_NODE) *user_policies;
183  unsigned int flags;
184  };
185 
186 /* Set if anyPolicy present in user policies */
187 #define POLICY_FLAG_ANY_POLICY 0x2
188 
189 /* Useful macros */
190 
191 #define node_data_critical(data) (data->flags & POLICY_DATA_FLAG_CRITICAL)
192 #define node_critical(node) node_data_critical(node->data)
193 
194 /* Internal functions */
195 
196 X509_POLICY_DATA *policy_data_new(POLICYINFO *policy, ASN1_OBJECT *id,
197  int crit);
198 void policy_data_free(X509_POLICY_DATA *data);
199 
200 X509_POLICY_DATA *policy_cache_find_data(const X509_POLICY_CACHE *cache,
201  const ASN1_OBJECT *id);
202 int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps);
203 
204 
205 STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void);
206 
207 void policy_cache_init(void);
208 
209 void policy_cache_free(X509_POLICY_CACHE *cache);
210 
211 X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
212  const ASN1_OBJECT *id);
213 
214 X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *sk,
215  const ASN1_OBJECT *id);
216 
217 X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level,
218  X509_POLICY_DATA *data,
219  X509_POLICY_NODE *parent,
220  X509_POLICY_TREE *tree);
221 void policy_node_free(X509_POLICY_NODE *node);
222 
223 const X509_POLICY_CACHE *policy_cache_set(X509 *x);
STACK_OF(X509_NAME)
Definition: ssl_cert.c:554
Definition: pcy_int.h:125
Definition: asn1.h:211
Definition: x509v3.h:303
Definition: x509v3.h:291
Definition: pcy_int.h:117
Definition: x509.h:279
Definition: pcy_int.h:74
Definition: pcy_int.h:158
Definition: pcy_int.h:148
Definition: pcy_int.h:171