1 /* v3_extku.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 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 */
58
59
60 #include <stdio.h>
61 #include "cryptlib.h"
62 #include <openssl/asn1t.h>
63 #include <openssl/conf.h>
64 #include <openssl/x509v3.h>
65
66 static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
67 X509V3_CTX *ctx,
68 STACK_OF(CONF_VALUE) *nval);
69 static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
70 void *eku, STACK_OF(CONF_VALUE) *extlist);
71
72 const X509V3_EXT_METHOD v3_ext_ku = {
73 NID_ext_key_usage, 0,
74 ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
75 0,0,0,0,
76 0,0,
77 i2v_EXTENDED_KEY_USAGE,
78 v2i_EXTENDED_KEY_USAGE,
79 0,0,
80 NULL
81 };
82
83 /* NB OCSP acceptable responses also is a SEQUENCE OF OBJECT */
84 const X509V3_EXT_METHOD v3_ocsp_accresp = {
85 NID_id_pkix_OCSP_acceptableResponses, 0,
86 ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
87 0,0,0,0,
88 0,0,
89 i2v_EXTENDED_KEY_USAGE,
90 v2i_EXTENDED_KEY_USAGE,
91 0,0,
92 NULL
93 };
94
95 ASN1_ITEM_TEMPLATE(EXTENDED_KEY_USAGE) =
96 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, EXTENDED_KEY_USAGE, ASN1_OBJECT)
97 ASN1_ITEM_TEMPLATE_END(EXTENDED_KEY_USAGE)
98
99 IMPLEMENT_ASN1_FUNCTIONS(EXTENDED_KEY_USAGE)
100
101 static STACK_OF(CONF_VALUE) *
102 i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, void *a,
103 STACK_OF(CONF_VALUE) *ext_list)
104 {
105 EXTENDED_KEY_USAGE *eku = a;
106 int i;
107 ASN1_OBJECT *obj;
108 char obj_tmp[80];
109 for(i = 0; i < sk_ASN1_OBJECT_num(eku); i++) {
110 obj = sk_ASN1_OBJECT_value(eku, i);
111 i2t_ASN1_OBJECT(obj_tmp, 80, obj);
112 X509V3_add_value(NULL, obj_tmp, &ext_list);
113 }
114 return ext_list;
115 }
116
117 static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
118 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
119 {
120 EXTENDED_KEY_USAGE *extku;
121 char *extval;
122 ASN1_OBJECT *objtmp;
123 CONF_VALUE *val;
124 int i;
125
126 if(!(extku = sk_ASN1_OBJECT_new_null())) {
127 X509V3err(X509V3_F_V2I_EXTENDED_KEY_USAGE,ERR_R_MALLOC_FAILURE);
128 return NULL;
129 }
130
131 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
132 val = sk_CONF_VALUE_value(nval, i);
133 if(val->value) extval = val->value;
134 else extval = val->name;
135 if(!(objtmp = OBJ_txt2obj(extval, 0))) {
136 sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free);
137 X509V3err(X509V3_F_V2I_EXTENDED_KEY_USAGE,X509V3_R_INVALID_OBJECT_IDENTIFIER);
138 X509V3_conf_err(val);
139 return NULL;
140 }
141 sk_ASN1_OBJECT_push(extku, objtmp);
142 }
143 return extku;
144 }