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031e5cce | 1 | /* pcy_node.c */ |
d3819813 | 2 | /* |
031e5cce SM |
3 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project |
4 | * 2004. | |
5 | */ | |
6 | /* ==================================================================== | |
7 | * Copyright (c) 2004 The OpenSSL Project. All rights reserved. | |
8 | * | |
9 | * Redistribution and use in source and binary forms, with or without | |
10 | * modification, are permitted provided that the following conditions | |
11 | * are met: | |
12 | * | |
13 | * 1. Redistributions of source code must retain the above copyright | |
14 | * notice, this list of conditions and the following disclaimer. | |
15 | * | |
16 | * 2. Redistributions in binary form must reproduce the above copyright | |
17 | * notice, this list of conditions and the following disclaimer in | |
18 | * the documentation and/or other materials provided with the | |
19 | * distribution. | |
20 | * | |
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/)" | |
25 | * | |
26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
27 | * endorse or promote products derived from this software without | |
28 | * prior written permission. For written permission, please contact | |
29 | * licensing@OpenSSL.org. | |
30 | * | |
31 | * 5. Products derived from this software may not be called "OpenSSL" | |
32 | * nor may "OpenSSL" appear in their names without prior written | |
33 | * permission of the OpenSSL Project. | |
34 | * | |
35 | * 6. Redistributions of any form whatsoever must retain the following | |
36 | * acknowledgment: | |
37 | * "This product includes software developed by the OpenSSL Project | |
38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
39 | * | |
40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
51 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
52 | * ==================================================================== | |
53 | * | |
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). | |
3e575651 SL |
57 | * |
58 | */ | |
59 | ||
60 | #include <openssl/asn1.h> | |
61 | #include <openssl/x509.h> | |
62 | #include <openssl/x509v3.h> | |
63 | ||
64 | #include "pcy_int.h" | |
65 | ||
d3819813 MTL |
66 | static int node_cmp(const X509_POLICY_NODE *const *a, |
67 | const X509_POLICY_NODE *const *b) | |
68 | { | |
69 | return OBJ_cmp((*a)->data->valid_policy, (*b)->data->valid_policy); | |
70 | } | |
3e575651 SL |
71 | |
72 | STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void) | |
d3819813 MTL |
73 | { |
74 | return sk_X509_POLICY_NODE_new(node_cmp); | |
75 | } | |
3e575651 SL |
76 | |
77 | X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *nodes, | |
d3819813 MTL |
78 | const ASN1_OBJECT *id) |
79 | { | |
80 | X509_POLICY_DATA n; | |
81 | X509_POLICY_NODE l; | |
82 | int idx; | |
3e575651 | 83 | |
d3819813 MTL |
84 | n.valid_policy = (ASN1_OBJECT *)id; |
85 | l.data = &n; | |
3e575651 | 86 | |
d3819813 MTL |
87 | idx = sk_X509_POLICY_NODE_find(nodes, &l); |
88 | if (idx == -1) | |
89 | return NULL; | |
3e575651 | 90 | |
d3819813 | 91 | return sk_X509_POLICY_NODE_value(nodes, idx); |
3e575651 | 92 | |
d3819813 | 93 | } |
3e575651 SL |
94 | |
95 | X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level, | |
d3819813 MTL |
96 | const X509_POLICY_NODE *parent, |
97 | const ASN1_OBJECT *id) | |
98 | { | |
99 | X509_POLICY_NODE *node; | |
100 | int i; | |
101 | for (i = 0; i < sk_X509_POLICY_NODE_num(level->nodes); i++) { | |
102 | node = sk_X509_POLICY_NODE_value(level->nodes, i); | |
103 | if (node->parent == parent) { | |
104 | if (!OBJ_cmp(node->data->valid_policy, id)) | |
105 | return node; | |
106 | } | |
107 | } | |
108 | return NULL; | |
109 | } | |
3e575651 SL |
110 | |
111 | X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level, | |
031e5cce | 112 | const X509_POLICY_DATA *data, |
d3819813 MTL |
113 | X509_POLICY_NODE *parent, |
114 | X509_POLICY_TREE *tree) | |
115 | { | |
116 | X509_POLICY_NODE *node; | |
031e5cce SM |
117 | node = OPENSSL_malloc(sizeof(X509_POLICY_NODE)); |
118 | if (!node) | |
d3819813 MTL |
119 | return NULL; |
120 | node->data = data; | |
121 | node->parent = parent; | |
031e5cce | 122 | node->nchild = 0; |
d3819813 MTL |
123 | if (level) { |
124 | if (OBJ_obj2nid(data->valid_policy) == NID_any_policy) { | |
125 | if (level->anyPolicy) | |
126 | goto node_error; | |
127 | level->anyPolicy = node; | |
128 | } else { | |
129 | ||
031e5cce | 130 | if (!level->nodes) |
d3819813 | 131 | level->nodes = policy_node_cmp_new(); |
031e5cce | 132 | if (!level->nodes) |
d3819813 MTL |
133 | goto node_error; |
134 | if (!sk_X509_POLICY_NODE_push(level->nodes, node)) | |
135 | goto node_error; | |
136 | } | |
137 | } | |
138 | ||
139 | if (tree) { | |
031e5cce | 140 | if (!tree->extra_data) |
d3819813 | 141 | tree->extra_data = sk_X509_POLICY_DATA_new_null(); |
031e5cce | 142 | if (!tree->extra_data) |
d3819813 MTL |
143 | goto node_error; |
144 | if (!sk_X509_POLICY_DATA_push(tree->extra_data, data)) | |
145 | goto node_error; | |
146 | } | |
147 | ||
148 | if (parent) | |
149 | parent->nchild++; | |
150 | ||
151 | return node; | |
152 | ||
153 | node_error: | |
154 | policy_node_free(node); | |
031e5cce SM |
155 | return 0; |
156 | ||
d3819813 | 157 | } |
3e575651 SL |
158 | |
159 | void policy_node_free(X509_POLICY_NODE *node) | |
d3819813 MTL |
160 | { |
161 | OPENSSL_free(node); | |
162 | } | |
3e575651 | 163 | |
d3819813 MTL |
164 | /* |
165 | * See if a policy node matches a policy OID. If mapping enabled look through | |
166 | * expected policy set otherwise just valid policy. | |
167 | */ | |
3e575651 | 168 | |
d3819813 MTL |
169 | int policy_node_match(const X509_POLICY_LEVEL *lvl, |
170 | const X509_POLICY_NODE *node, const ASN1_OBJECT *oid) | |
171 | { | |
172 | int i; | |
173 | ASN1_OBJECT *policy_oid; | |
174 | const X509_POLICY_DATA *x = node->data; | |
175 | ||
176 | if ((lvl->flags & X509_V_FLAG_INHIBIT_MAP) | |
177 | || !(x->flags & POLICY_DATA_FLAG_MAP_MASK)) { | |
178 | if (!OBJ_cmp(x->valid_policy, oid)) | |
179 | return 1; | |
180 | return 0; | |
181 | } | |
182 | ||
183 | for (i = 0; i < sk_ASN1_OBJECT_num(x->expected_policy_set); i++) { | |
184 | policy_oid = sk_ASN1_OBJECT_value(x->expected_policy_set, i); | |
185 | if (!OBJ_cmp(policy_oid, oid)) | |
186 | return 1; | |
187 | } | |
188 | return 0; | |
189 | ||
190 | } |