1/* v3_pcons.c */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
4 * project.
5 */
6/* ====================================================================
7 * Copyright (c) 2003 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). */
57
58#include <stdio.h>
59#include <string.h>
60
61#include <openssl/asn1.h>
62#include <openssl/asn1t.h>
63#include <openssl/conf.h>
64#include <openssl/err.h>
65#include <openssl/obj.h>
66#include <openssl/x509v3.h>
67
68static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD
69 *method, void *bcons, STACK_OF(CONF_VALUE)
70 *extlist);
71static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method,
72 X509V3_CTX *ctx,
73 STACK_OF(CONF_VALUE) *values);
74
75const X509V3_EXT_METHOD v3_policy_constraints = {
76 NID_policy_constraints, 0,
77 ASN1_ITEM_ref(POLICY_CONSTRAINTS),
78 0, 0, 0, 0,
79 0, 0,
80 i2v_POLICY_CONSTRAINTS,
81 v2i_POLICY_CONSTRAINTS,
82 NULL, NULL,
83 NULL
84};
85
86ASN1_SEQUENCE(POLICY_CONSTRAINTS) = {
87 ASN1_IMP_OPT(POLICY_CONSTRAINTS, requireExplicitPolicy, ASN1_INTEGER,0),
88 ASN1_IMP_OPT(POLICY_CONSTRAINTS, inhibitPolicyMapping, ASN1_INTEGER,1)
89} ASN1_SEQUENCE_END(POLICY_CONSTRAINTS)
90
91IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_CONSTRAINTS)
92
93static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD
94 *method, void *a, STACK_OF(CONF_VALUE)
95 *extlist)
96{
97 POLICY_CONSTRAINTS *pcons = a;
98 X509V3_add_value_int("Require Explicit Policy",
99 pcons->requireExplicitPolicy, &extlist);
100 X509V3_add_value_int("Inhibit Policy Mapping",
101 pcons->inhibitPolicyMapping, &extlist);
102 return extlist;
103}
104
105static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method,
106 X509V3_CTX *ctx,
107 STACK_OF(CONF_VALUE) *values)
108{
109 POLICY_CONSTRAINTS *pcons = NULL;
110 CONF_VALUE *val;
111 size_t i;
112 if (!(pcons = POLICY_CONSTRAINTS_new())) {
113 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
114 return NULL;
115 }
116 for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
117 val = sk_CONF_VALUE_value(values, i);
118 if (!strcmp(val->name, "requireExplicitPolicy")) {
119 if (!X509V3_get_value_int(val, &pcons->requireExplicitPolicy))
120 goto err;
121 } else if (!strcmp(val->name, "inhibitPolicyMapping")) {
122 if (!X509V3_get_value_int(val, &pcons->inhibitPolicyMapping))
123 goto err;
124 } else {
125 OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_NAME);
126 X509V3_conf_err(val);
127 goto err;
128 }
129 }
130 if (!pcons->inhibitPolicyMapping && !pcons->requireExplicitPolicy) {
131 OPENSSL_PUT_ERROR(X509V3, X509V3_R_ILLEGAL_EMPTY_EXTENSION);
132 goto err;
133 }
134
135 return pcons;
136 err:
137 POLICY_CONSTRAINTS_free(pcons);
138 return NULL;
139}
140