Import LibreSSL v2.4.2 to vendor branch
[dragonfly.git] / crypto / libressl / crypto / x509v3 / v3_pcons.c
blob0ed5ac1606373e126969a5361077e072ad4f8912
1 /* $OpenBSD: v3_pcons.c,v 1.8 2015/07/25 16:14:29 jsing Exp $ */
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.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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.
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/)"
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.
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.
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/)"
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 * ====================================================================
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).
59 #include <stdio.h>
60 #include <string.h>
62 #include <openssl/asn1.h>
63 #include <openssl/asn1t.h>
64 #include <openssl/conf.h>
65 #include <openssl/err.h>
66 #include <openssl/x509v3.h>
68 static STACK_OF(CONF_VALUE) *
69 i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *bcons,
70 STACK_OF(CONF_VALUE) *extlist);
71 static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method,
72 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);
74 const X509V3_EXT_METHOD v3_policy_constraints = {
75 .ext_nid = NID_policy_constraints,
76 .ext_flags = 0,
77 .it = ASN1_ITEM_ref(POLICY_CONSTRAINTS),
78 .ext_new = NULL,
79 .ext_free = NULL,
80 .d2i = NULL,
81 .i2d = NULL,
82 .i2s = NULL,
83 .s2i = NULL,
84 .i2v = i2v_POLICY_CONSTRAINTS,
85 .v2i = v2i_POLICY_CONSTRAINTS,
86 .i2r = NULL,
87 .r2i = NULL,
88 .usr_data = NULL,
91 static const ASN1_TEMPLATE POLICY_CONSTRAINTS_seq_tt[] = {
93 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
94 .tag = 0,
95 .offset = offsetof(POLICY_CONSTRAINTS, requireExplicitPolicy),
96 .field_name = "requireExplicitPolicy",
97 .item = &ASN1_INTEGER_it,
100 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,
101 .tag = 1,
102 .offset = offsetof(POLICY_CONSTRAINTS, inhibitPolicyMapping),
103 .field_name = "inhibitPolicyMapping",
104 .item = &ASN1_INTEGER_it,
108 const ASN1_ITEM POLICY_CONSTRAINTS_it = {
109 .itype = ASN1_ITYPE_SEQUENCE,
110 .utype = V_ASN1_SEQUENCE,
111 .templates = POLICY_CONSTRAINTS_seq_tt,
112 .tcount = sizeof(POLICY_CONSTRAINTS_seq_tt) / sizeof(ASN1_TEMPLATE),
113 .funcs = NULL,
114 .size = sizeof(POLICY_CONSTRAINTS),
115 .sname = "POLICY_CONSTRAINTS",
119 POLICY_CONSTRAINTS *
120 POLICY_CONSTRAINTS_new(void)
122 return (POLICY_CONSTRAINTS*)ASN1_item_new(&POLICY_CONSTRAINTS_it);
125 void
126 POLICY_CONSTRAINTS_free(POLICY_CONSTRAINTS *a)
128 ASN1_item_free((ASN1_VALUE *)a, &POLICY_CONSTRAINTS_it);
131 static STACK_OF(CONF_VALUE) *
132 i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *a,
133 STACK_OF(CONF_VALUE) *extlist)
135 POLICY_CONSTRAINTS *pcons = a;
137 X509V3_add_value_int("Require Explicit Policy",
138 pcons->requireExplicitPolicy, &extlist);
139 X509V3_add_value_int("Inhibit Policy Mapping",
140 pcons->inhibitPolicyMapping, &extlist);
141 return extlist;
144 static void *
145 v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
146 STACK_OF(CONF_VALUE) *values)
148 POLICY_CONSTRAINTS *pcons = NULL;
149 CONF_VALUE *val;
150 int i;
152 if (!(pcons = POLICY_CONSTRAINTS_new())) {
153 X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS,
154 ERR_R_MALLOC_FAILURE);
155 return NULL;
157 for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
158 val = sk_CONF_VALUE_value(values, i);
159 if (!strcmp(val->name, "requireExplicitPolicy")) {
160 if (!X509V3_get_value_int(val,
161 &pcons->requireExplicitPolicy)) goto err;
162 } else if (!strcmp(val->name, "inhibitPolicyMapping")) {
163 if (!X509V3_get_value_int(val,
164 &pcons->inhibitPolicyMapping)) goto err;
165 } else {
166 X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS,
167 X509V3_R_INVALID_NAME);
168 X509V3_conf_err(val);
169 goto err;
172 if (!pcons->inhibitPolicyMapping && !pcons->requireExplicitPolicy) {
173 X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS,
174 X509V3_R_ILLEGAL_EMPTY_EXTENSION);
175 goto err;
178 return pcons;
180 err:
181 POLICY_CONSTRAINTS_free(pcons);
182 return NULL;