1 /* v3_pcons.c */
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 */
58
59
60 #include <stdio.h>
61 #include "cryptlib.h"
62 #include <openssl/asn1.h>
63 #include <openssl/asn1t.h>
64 #include <openssl/conf.h>
65 #include <openssl/x509v3.h>
66
67 static STACK_OF(CONF_VALUE) *
68 i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *bcons,
69 STACK_OF(CONF_VALUE) *extlist);
70 static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method,
71 X509V3_CTX *ctx,
72 STACK_OF(CONF_VALUE) *values);
73
74 const X509V3_EXT_METHOD v3_policy_constraints = {
75 NID_policy_constraints, 0,
76 ASN1_ITEM_ref(POLICY_CONSTRAINTS),
77 0,0,0,0,
78 0,0,
79 i2v_POLICY_CONSTRAINTS,
80 v2i_POLICY_CONSTRAINTS,
81 NULL,NULL,
82 NULL
83 };
84
85 ASN1_SEQUENCE(POLICY_CONSTRAINTS) = {
86 ASN1_IMP_OPT(POLICY_CONSTRAINTS, requireExplicitPolicy, ASN1_INTEGER,0),
87 ASN1_IMP_OPT(POLICY_CONSTRAINTS, inhibitPolicyMapping, ASN1_INTEGER,1)
88 } ASN1_SEQUENCE_END(POLICY_CONSTRAINTS)
89
90 IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_CONSTRAINTS)
91
92
93 static STACK_OF(CONF_VALUE) *
94 i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *a,
95 STACK_OF(CONF_VALUE) *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
105 static 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 int i;
112 if(!(pcons = POLICY_CONSTRAINTS_new())) {
113 X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, 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,
120 &pcons->requireExplicitPolicy)) goto err;
121 } else if(!strcmp(val->name, "inhibitPolicyMapping")) {
122 if(!X509V3_get_value_int(val,
123 &pcons->inhibitPolicyMapping)) goto err;
124 } else {
125 X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, X509V3_R_INVALID_NAME);
126 X509V3_conf_err(val);
127 goto err;
128 }
129 }
130 if (!pcons->inhibitPolicyMapping && !pcons->requireExplicitPolicy) {
131 X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, X509V3_R_ILLEGAL_EMPTY_EXTENSION);
132 goto err;
133 }
134
135 return pcons;
136 err:
137 POLICY_CONSTRAINTS_free(pcons);
138 return NULL;
139 }