1 /*
2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
3 * 1999.
4 */
5 /* ====================================================================
6 * Copyright (c) 1999 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
59 #include <openssl/asn1t.h>
60 #include <openssl/conf.h>
61 #include <openssl/err.h>
62 #include <openssl/obj.h>
63 #include <openssl/x509v3.h>
64
65 #include "internal.h"
66
67
68 static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
69 const X509V3_CTX *ctx,
70 const STACK_OF(CONF_VALUE) *nval);
71 static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(
72 const X509V3_EXT_METHOD *method, void *eku, STACK_OF(CONF_VALUE) *extlist);
73
74 const X509V3_EXT_METHOD v3_ext_ku = {
75 NID_ext_key_usage,
76 0,
77 ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
78 0,
79 0,
80 0,
81 0,
82 0,
83 0,
84 i2v_EXTENDED_KEY_USAGE,
85 v2i_EXTENDED_KEY_USAGE,
86 0,
87 0,
88 NULL,
89 };
90
91 // NB OCSP acceptable responses also is a SEQUENCE OF OBJECT
92 const X509V3_EXT_METHOD v3_ocsp_accresp = {
93 NID_id_pkix_OCSP_acceptableResponses,
94 0,
95 ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
96 0,
97 0,
98 0,
99 0,
100 0,
101 0,
102 i2v_EXTENDED_KEY_USAGE,
103 v2i_EXTENDED_KEY_USAGE,
104 0,
105 0,
106 NULL,
107 };
108
ASN1_ITEM_TEMPLATE(EXTENDED_KEY_USAGE)109 ASN1_ITEM_TEMPLATE(EXTENDED_KEY_USAGE) = ASN1_EX_TEMPLATE_TYPE(
110 ASN1_TFLG_SEQUENCE_OF, 0, EXTENDED_KEY_USAGE, ASN1_OBJECT)
111 ASN1_ITEM_TEMPLATE_END(EXTENDED_KEY_USAGE)
112
113 IMPLEMENT_ASN1_FUNCTIONS_const(EXTENDED_KEY_USAGE)
114
115 static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(
116 const X509V3_EXT_METHOD *method, void *a, STACK_OF(CONF_VALUE) *ext_list) {
117 const EXTENDED_KEY_USAGE *eku = a;
118 for (size_t i = 0; i < sk_ASN1_OBJECT_num(eku); i++) {
119 const ASN1_OBJECT *obj = sk_ASN1_OBJECT_value(eku, i);
120 char obj_tmp[80];
121 i2t_ASN1_OBJECT(obj_tmp, 80, obj);
122 X509V3_add_value(NULL, obj_tmp, &ext_list);
123 }
124 return ext_list;
125 }
126
v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD * method,const X509V3_CTX * ctx,const STACK_OF (CONF_VALUE)* nval)127 static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
128 const X509V3_CTX *ctx,
129 const STACK_OF(CONF_VALUE) *nval) {
130 EXTENDED_KEY_USAGE *extku = sk_ASN1_OBJECT_new_null();
131 if (extku == NULL) {
132 return NULL;
133 }
134
135 for (size_t i = 0; i < sk_CONF_VALUE_num(nval); i++) {
136 const CONF_VALUE *val = sk_CONF_VALUE_value(nval, i);
137 const char *extval;
138 if (val->value) {
139 extval = val->value;
140 } else {
141 extval = val->name;
142 }
143 ASN1_OBJECT *obj = OBJ_txt2obj(extval, 0);
144 if (obj == NULL || !sk_ASN1_OBJECT_push(extku, obj)) {
145 ASN1_OBJECT_free(obj);
146 sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free);
147 OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_OBJECT_IDENTIFIER);
148 X509V3_conf_err(val);
149 return NULL;
150 }
151 }
152
153 return extku;
154 }
155