Branch data Line data Source code
1 : : /* pcy_node.c */
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 : : #include <openssl/asn1.h>
60 : : #include <openssl/x509.h>
61 : : #include <openssl/x509v3.h>
62 : :
63 : : #include "pcy_int.h"
64 : :
65 : 0 : static int node_cmp(const X509_POLICY_NODE * const *a,
66 : : const X509_POLICY_NODE * const *b)
67 : : {
68 : 0 : return OBJ_cmp((*a)->data->valid_policy, (*b)->data->valid_policy);
69 : : }
70 : :
71 : 0 : STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void)
72 : : {
73 : 0 : return sk_X509_POLICY_NODE_new(node_cmp);
74 : : }
75 : :
76 : 0 : 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 : 0 : n.valid_policy = (ASN1_OBJECT *)id;
84 : 0 : l.data = &n;
85 : :
86 : 0 : idx = sk_X509_POLICY_NODE_find(nodes, &l);
87 [ # # ]: 0 : if (idx == -1)
88 : : return NULL;
89 : :
90 : 0 : return sk_X509_POLICY_NODE_value(nodes, idx);
91 : :
92 : : }
93 : :
94 : 0 : X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
95 : : const X509_POLICY_NODE *parent,
96 : : const ASN1_OBJECT *id)
97 : : {
98 : : X509_POLICY_NODE *node;
99 : : int i;
100 [ # # ]: 0 : for (i = 0; i < sk_X509_POLICY_NODE_num(level->nodes); i++)
101 : : {
102 : 0 : node = sk_X509_POLICY_NODE_value(level->nodes, i);
103 [ # # ]: 0 : if (node->parent == parent)
104 : : {
105 [ # # ]: 0 : if (!OBJ_cmp(node->data->valid_policy, id))
106 : : return node;
107 : : }
108 : : }
109 : : return NULL;
110 : : }
111 : :
112 : 0 : X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level,
113 : : const X509_POLICY_DATA *data,
114 : : X509_POLICY_NODE *parent,
115 : : X509_POLICY_TREE *tree)
116 : : {
117 : : X509_POLICY_NODE *node;
118 : 0 : node = OPENSSL_malloc(sizeof(X509_POLICY_NODE));
119 [ # # ]: 0 : if (!node)
120 : : return NULL;
121 : 0 : node->data = data;
122 : 0 : node->parent = parent;
123 : 0 : node->nchild = 0;
124 [ # # ]: 0 : if (level)
125 : : {
126 [ # # ]: 0 : if (OBJ_obj2nid(data->valid_policy) == NID_any_policy)
127 : : {
128 [ # # ]: 0 : if (level->anyPolicy)
129 : : goto node_error;
130 : 0 : level->anyPolicy = node;
131 : : }
132 : : else
133 : : {
134 : :
135 [ # # ]: 0 : if (!level->nodes)
136 : 0 : level->nodes = policy_node_cmp_new();
137 [ # # ]: 0 : if (!level->nodes)
138 : : goto node_error;
139 [ # # ]: 0 : if (!sk_X509_POLICY_NODE_push(level->nodes, node))
140 : : goto node_error;
141 : : }
142 : : }
143 : :
144 [ # # ]: 0 : if (tree)
145 : : {
146 [ # # ]: 0 : if (!tree->extra_data)
147 : 0 : tree->extra_data = sk_X509_POLICY_DATA_new_null();
148 [ # # ]: 0 : if (!tree->extra_data)
149 : : goto node_error;
150 [ # # ]: 0 : if (!sk_X509_POLICY_DATA_push(tree->extra_data, data))
151 : : goto node_error;
152 : : }
153 : :
154 [ # # ]: 0 : if (parent)
155 : 0 : parent->nchild++;
156 : :
157 : 0 : return node;
158 : :
159 : : node_error:
160 : 0 : policy_node_free(node);
161 : 0 : return 0;
162 : :
163 : : }
164 : :
165 : 0 : void policy_node_free(X509_POLICY_NODE *node)
166 : : {
167 : 0 : OPENSSL_free(node);
168 : 0 : }
169 : :
170 : : /* See if a policy node matches a policy OID. If mapping enabled look through
171 : : * expected policy set otherwise just valid policy.
172 : : */
173 : :
174 : 0 : int policy_node_match(const X509_POLICY_LEVEL *lvl,
175 : : const X509_POLICY_NODE *node, const ASN1_OBJECT *oid)
176 : : {
177 : : int i;
178 : : ASN1_OBJECT *policy_oid;
179 : 0 : const X509_POLICY_DATA *x = node->data;
180 : :
181 [ # # ]: 0 : if ( (lvl->flags & X509_V_FLAG_INHIBIT_MAP)
182 [ # # ]: 0 : || !(x->flags & POLICY_DATA_FLAG_MAP_MASK))
183 : : {
184 [ # # ]: 0 : if (!OBJ_cmp(x->valid_policy, oid))
185 : : return 1;
186 : 0 : return 0;
187 : : }
188 : :
189 [ # # ]: 0 : for (i = 0; i < sk_ASN1_OBJECT_num(x->expected_policy_set); i++)
190 : : {
191 : 0 : policy_oid = sk_ASN1_OBJECT_value(x->expected_policy_set, i);
192 [ # # ]: 0 : if (!OBJ_cmp(policy_oid, oid))
193 : : return 1;
194 : : }
195 : : return 0;
196 : :
197 : : }
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