1 /* $OpenBSD: pcy_lib.c,v 1.1 2020/06/04 15:19:31 jsing 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 #include <openssl/x509.h>
60 #include <openssl/x509v3.h>
61 
62 #include "pcy_int.h"
63 
64 /* accessor functions */
65 
66 /* X509_POLICY_TREE stuff */
67 
68 int
69 X509_policy_tree_level_count(const X509_POLICY_TREE *tree)
70 {
71 	if (!tree)
72 		return 0;
73 	return tree->nlevel;
74 }
75 
76 X509_POLICY_LEVEL *
77 X509_policy_tree_get0_level(const X509_POLICY_TREE *tree, int i)
78 {
79 	if (!tree || (i < 0) || (i >= tree->nlevel))
80 		return NULL;
81 	return tree->levels + i;
82 }
83 
84 STACK_OF(X509_POLICY_NODE) *
85 X509_policy_tree_get0_policies(const X509_POLICY_TREE *tree)
86 {
87 	if (!tree)
88 		return NULL;
89 	return tree->auth_policies;
90 }
91 
92 STACK_OF(X509_POLICY_NODE) *
93 X509_policy_tree_get0_user_policies(const X509_POLICY_TREE *tree)
94 {
95 	if (!tree)
96 		return NULL;
97 	if (tree->flags & POLICY_FLAG_ANY_POLICY)
98 		return tree->auth_policies;
99 	else
100 		return tree->user_policies;
101 }
102 
103 /* X509_POLICY_LEVEL stuff */
104 
105 int
106 X509_policy_level_node_count(X509_POLICY_LEVEL *level)
107 {
108 	int n;
109 	if (!level)
110 		return 0;
111 	if (level->anyPolicy)
112 		n = 1;
113 	else
114 		n = 0;
115 	if (level->nodes)
116 		n += sk_X509_POLICY_NODE_num(level->nodes);
117 	return n;
118 }
119 
120 X509_POLICY_NODE *
121 X509_policy_level_get0_node(X509_POLICY_LEVEL *level, int i)
122 {
123 	if (!level)
124 		return NULL;
125 	if (level->anyPolicy) {
126 		if (i == 0)
127 			return level->anyPolicy;
128 		i--;
129 	}
130 	return sk_X509_POLICY_NODE_value(level->nodes, i);
131 }
132 
133 /* X509_POLICY_NODE stuff */
134 
135 const ASN1_OBJECT *
136 X509_policy_node_get0_policy(const X509_POLICY_NODE *node)
137 {
138 	if (!node)
139 		return NULL;
140 	return node->data->valid_policy;
141 }
142 
143 STACK_OF(POLICYQUALINFO) *
144 X509_policy_node_get0_qualifiers(const X509_POLICY_NODE *node)
145 {
146 	if (!node)
147 		return NULL;
148 	return node->data->qualifier_set;
149 }
150 
151 const X509_POLICY_NODE *
152 X509_policy_node_get0_parent(const X509_POLICY_NODE *node)
153 {
154 	if (!node)
155 		return NULL;
156 	return node->parent;
157 }
158