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 #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
68
69 static STACK_OF(CONF_VALUE) *
70 i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *bcons,
71 STACK_OF(CONF_VALUE) *extlist);
72 static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method,
73 X509V3_CTX *ctx,
74 STACK_OF(CONF_VALUE) *values);
75
76 const X509V3_EXT_METHOD v3_policy_constraints = {
77 NID_policy_constraints, 0,
78 ASN1_ITEM_ref(POLICY_CONSTRAINTS),
79 0,0,0,0,
80 0,0,
81 i2v_POLICY_CONSTRAINTS,
82 v2i_POLICY_CONSTRAINTS,
83 NULL,NULL,
84 NULL
85 };
86
87 ASN1_SEQUENCE(POLICY_CONSTRAINTS) = {
88 ASN1_IMP_OPT(POLICY_CONSTRAINTS, requireExplicitPolicy, ASN1_INTEGER,0),
89 ASN1_IMP_OPT(POLICY_CONSTRAINTS, inhibitPolicyMapping, ASN1_INTEGER,1)
90 } ASN1_SEQUENCE_END(POLICY_CONSTRAINTS)
91
92 IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_CONSTRAINTS)
93
94
95 static STACK_OF(CONF_VALUE) *
96 i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *a,
97 STACK_OF(CONF_VALUE) *extlist)
98 {
99 POLICY_CONSTRAINTS *pcons = a;
100 X509V3_add_value_int("Require Explicit Policy",
101 pcons->requireExplicitPolicy, &extlist);
102 X509V3_add_value_int("Inhibit Policy Mapping",
103 pcons->inhibitPolicyMapping, &extlist);
104 return extlist;
105 }
106
v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* values)107 static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method,
108 X509V3_CTX *ctx,
109 STACK_OF(CONF_VALUE) *values)
110 {
111 POLICY_CONSTRAINTS *pcons=NULL;
112 CONF_VALUE *val;
113 size_t i;
114 if(!(pcons = POLICY_CONSTRAINTS_new())) {
115 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
116 return NULL;
117 }
118 for(i = 0; i < sk_CONF_VALUE_num(values); i++) {
119 val = sk_CONF_VALUE_value(values, i);
120 if(!strcmp(val->name, "requireExplicitPolicy")) {
121 if(!X509V3_get_value_int(val,
122 &pcons->requireExplicitPolicy)) goto err;
123 } else if(!strcmp(val->name, "inhibitPolicyMapping")) {
124 if(!X509V3_get_value_int(val,
125 &pcons->inhibitPolicyMapping)) goto err;
126 } else {
127 OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_NAME);
128 X509V3_conf_err(val);
129 goto err;
130 }
131 }
132 if (!pcons->inhibitPolicyMapping && !pcons->requireExplicitPolicy) {
133 OPENSSL_PUT_ERROR(X509V3, X509V3_R_ILLEGAL_EMPTY_EXTENSION);
134 goto err;
135 }
136
137 return pcons;
138 err:
139 POLICY_CONSTRAINTS_free(pcons);
140 return NULL;
141 }
142
143