1 /*
2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project.
4 */
5 /* ====================================================================
6 * Copyright (c) 2003 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 #include <stdio.h>
58 #include <string.h>
59
60 #include <openssl/asn1.h>
61 #include <openssl/asn1t.h>
62 #include <openssl/conf.h>
63 #include <openssl/err.h>
64 #include <openssl/obj.h>
65 #include <openssl/x509v3.h>
66
67 #include "internal.h"
68
69
70 static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(
71 const X509V3_EXT_METHOD *method, void *bcons,
72 STACK_OF(CONF_VALUE) *extlist);
73 static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method,
74 const X509V3_CTX *ctx,
75 const STACK_OF(CONF_VALUE) *values);
76
77 const X509V3_EXT_METHOD v3_policy_constraints = {
78 NID_policy_constraints,
79 0,
80 ASN1_ITEM_ref(POLICY_CONSTRAINTS),
81 0,
82 0,
83 0,
84 0,
85 0,
86 0,
87 i2v_POLICY_CONSTRAINTS,
88 v2i_POLICY_CONSTRAINTS,
89 NULL,
90 NULL,
91 NULL};
92
93 ASN1_SEQUENCE(POLICY_CONSTRAINTS) = {
94 ASN1_IMP_OPT(POLICY_CONSTRAINTS, requireExplicitPolicy, ASN1_INTEGER, 0),
95 ASN1_IMP_OPT(POLICY_CONSTRAINTS, inhibitPolicyMapping, ASN1_INTEGER, 1),
96 } ASN1_SEQUENCE_END(POLICY_CONSTRAINTS)
97
98 IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_CONSTRAINTS)
99
100 static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(
101 const X509V3_EXT_METHOD *method, void *a, STACK_OF(CONF_VALUE) *extlist) {
102 const POLICY_CONSTRAINTS *pcons = a;
103 X509V3_add_value_int("Require Explicit Policy", pcons->requireExplicitPolicy,
104 &extlist);
105 X509V3_add_value_int("Inhibit Policy Mapping", pcons->inhibitPolicyMapping,
106 &extlist);
107 return extlist;
108 }
109
v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD * method,const X509V3_CTX * ctx,const STACK_OF (CONF_VALUE)* values)110 static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method,
111 const X509V3_CTX *ctx,
112 const STACK_OF(CONF_VALUE) *values) {
113 POLICY_CONSTRAINTS *pcons = NULL;
114 if (!(pcons = POLICY_CONSTRAINTS_new())) {
115 return NULL;
116 }
117 for (size_t i = 0; i < sk_CONF_VALUE_num(values); i++) {
118 const CONF_VALUE *val = sk_CONF_VALUE_value(values, i);
119 if (!strcmp(val->name, "requireExplicitPolicy")) {
120 if (!X509V3_get_value_int(val, &pcons->requireExplicitPolicy)) {
121 goto err;
122 }
123 } else if (!strcmp(val->name, "inhibitPolicyMapping")) {
124 if (!X509V3_get_value_int(val, &pcons->inhibitPolicyMapping)) {
125 goto err;
126 }
127 } else {
128 OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_NAME);
129 X509V3_conf_err(val);
130 goto err;
131 }
132 }
133 if (!pcons->inhibitPolicyMapping && !pcons->requireExplicitPolicy) {
134 OPENSSL_PUT_ERROR(X509V3, X509V3_R_ILLEGAL_EMPTY_EXTENSION);
135 goto err;
136 }
137
138 return pcons;
139 err:
140 POLICY_CONSTRAINTS_free(pcons);
141 return NULL;
142 }
143