1 /* pcy_node.c */
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 #include <openssl/asn1.h>
60 #include <openssl/x509.h>
61 #include <openssl/x509v3.h>
62
63 #include "pcy_int.h"
64
node_cmp(const X509_POLICY_NODE * const * a,const X509_POLICY_NODE * const * b)65 static int node_cmp(const X509_POLICY_NODE * const *a,
66 const X509_POLICY_NODE * const *b)
67 {
68 return OBJ_cmp((*a)->data->valid_policy, (*b)->data->valid_policy);
69 }
70
STACK_OF(X509_POLICY_NODE)71 STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void)
72 {
73 return sk_X509_POLICY_NODE_new(node_cmp);
74 }
75
tree_find_sk(STACK_OF (X509_POLICY_NODE)* nodes,const ASN1_OBJECT * id)76 X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *nodes,
77 const ASN1_OBJECT *id)
78 {
79 X509_POLICY_DATA n;
80 X509_POLICY_NODE l;
81 int idx;
82
83 n.valid_policy = (ASN1_OBJECT *)id;
84 l.data = &n;
85
86 idx = sk_X509_POLICY_NODE_find(nodes, &l);
87 if (idx == -1)
88 return NULL;
89
90 return sk_X509_POLICY_NODE_value(nodes, idx);
91
92 }
93
level_find_node(const X509_POLICY_LEVEL * level,const ASN1_OBJECT * id)94 X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
95 const ASN1_OBJECT *id)
96 {
97 return tree_find_sk(level->nodes, id);
98 }
99
level_add_node(X509_POLICY_LEVEL * level,X509_POLICY_DATA * data,X509_POLICY_NODE * parent,X509_POLICY_TREE * tree)100 X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level,
101 X509_POLICY_DATA *data,
102 X509_POLICY_NODE *parent,
103 X509_POLICY_TREE *tree)
104 {
105 X509_POLICY_NODE *node;
106 node = OPENSSL_malloc(sizeof(X509_POLICY_NODE));
107 if (!node)
108 return NULL;
109 node->data = data;
110 node->parent = parent;
111 node->nchild = 0;
112 if (level)
113 {
114 if (OBJ_obj2nid(data->valid_policy) == NID_any_policy)
115 {
116 if (level->anyPolicy)
117 goto node_error;
118 level->anyPolicy = node;
119 }
120 else
121 {
122
123 if (!level->nodes)
124 level->nodes = policy_node_cmp_new();
125 if (!level->nodes)
126 goto node_error;
127 if (!sk_X509_POLICY_NODE_push(level->nodes, node))
128 goto node_error;
129 }
130 }
131
132 if (tree)
133 {
134 if (!tree->extra_data)
135 tree->extra_data = sk_X509_POLICY_DATA_new_null();
136 if (!tree->extra_data)
137 goto node_error;
138 if (!sk_X509_POLICY_DATA_push(tree->extra_data, data))
139 goto node_error;
140 }
141
142 if (parent)
143 parent->nchild++;
144
145 return node;
146
147 node_error:
148 policy_node_free(node);
149 return 0;
150
151 }
152
policy_node_free(X509_POLICY_NODE * node)153 void policy_node_free(X509_POLICY_NODE *node)
154 {
155 OPENSSL_free(node);
156 }
157
158
159