1/* v3_extku.c */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 * 1999.
5 */
6/* ====================================================================
7 * Copyright (c) 1999 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
60#include <openssl/asn1t.h>
61#include <openssl/conf.h>
62#include <openssl/err.h>
63#include <openssl/obj.h>
64#include <openssl/x509v3.h>
65
66static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
67 X509V3_CTX *ctx,
68 STACK_OF(CONF_VALUE) *nval);
69static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD
70 *method, void *eku, STACK_OF(CONF_VALUE)
71 *extlist);
72
73const X509V3_EXT_METHOD v3_ext_ku = {
74 NID_ext_key_usage, 0,
75 ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
76 0, 0, 0, 0,
77 0, 0,
78 i2v_EXTENDED_KEY_USAGE,
79 v2i_EXTENDED_KEY_USAGE,
80 0, 0,
81 NULL
82};
83
84/* NB OCSP acceptable responses also is a SEQUENCE OF OBJECT */
85const X509V3_EXT_METHOD v3_ocsp_accresp = {
86 NID_id_pkix_OCSP_acceptableResponses, 0,
87 ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
88 0, 0, 0, 0,
89 0, 0,
90 i2v_EXTENDED_KEY_USAGE,
91 v2i_EXTENDED_KEY_USAGE,
92 0, 0,
93 NULL
94};
95
96ASN1_ITEM_TEMPLATE(EXTENDED_KEY_USAGE) =
97 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, EXTENDED_KEY_USAGE, ASN1_OBJECT)
98ASN1_ITEM_TEMPLATE_END(EXTENDED_KEY_USAGE)
99
100IMPLEMENT_ASN1_FUNCTIONS(EXTENDED_KEY_USAGE)
101
102static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD
103 *method, void *a, STACK_OF(CONF_VALUE)
104 *ext_list)
105{
106 EXTENDED_KEY_USAGE *eku = a;
107 size_t i;
108 ASN1_OBJECT *obj;
109 char obj_tmp[80];
110 for (i = 0; i < sk_ASN1_OBJECT_num(eku); i++) {
111 obj = sk_ASN1_OBJECT_value(eku, i);
112 i2t_ASN1_OBJECT(obj_tmp, 80, obj);
113 X509V3_add_value(NULL, obj_tmp, &ext_list);
114 }
115 return ext_list;
116}
117
118static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
119 X509V3_CTX *ctx,
120 STACK_OF(CONF_VALUE) *nval)
121{
122 EXTENDED_KEY_USAGE *extku;
123 char *extval;
124 ASN1_OBJECT *objtmp;
125 CONF_VALUE *val;
126 size_t i;
127
128 if (!(extku = sk_ASN1_OBJECT_new_null())) {
129 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
130 return NULL;
131 }
132
133 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
134 val = sk_CONF_VALUE_value(nval, i);
135 if (val->value)
136 extval = val->value;
137 else
138 extval = val->name;
139 if (!(objtmp = OBJ_txt2obj(extval, 0))) {
140 sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free);
141 OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_OBJECT_IDENTIFIER);
142 X509V3_conf_err(val);
143 return NULL;
144 }
145 sk_ASN1_OBJECT_push(extku, objtmp);
146 }
147 return extku;
148}
149