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 #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
66
67 static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
68 X509V3_CTX *ctx,
69 STACK_OF(CONF_VALUE) *nval);
70 static STACK_OF(CONF_VALUE) *i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
71 void *eku, STACK_OF(CONF_VALUE) *extlist);
72
73 const 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 */
85 const 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
ASN1_ITEM_TEMPLATE(EXTENDED_KEY_USAGE)96 ASN1_ITEM_TEMPLATE(EXTENDED_KEY_USAGE) =
97 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, EXTENDED_KEY_USAGE, ASN1_OBJECT)
98 ASN1_ITEM_TEMPLATE_END(EXTENDED_KEY_USAGE)
99
100 IMPLEMENT_ASN1_FUNCTIONS(EXTENDED_KEY_USAGE)
101
102 static STACK_OF(CONF_VALUE) *
103 i2v_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method, void *a,
104 STACK_OF(CONF_VALUE) *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
v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)118 static void *v2i_EXTENDED_KEY_USAGE(const X509V3_EXT_METHOD *method,
119 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
120 {
121 EXTENDED_KEY_USAGE *extku;
122 char *extval;
123 ASN1_OBJECT *objtmp;
124 CONF_VALUE *val;
125 size_t i;
126
127 if(!(extku = sk_ASN1_OBJECT_new_null())) {
128 OPENSSL_PUT_ERROR(X509V3, v2i_EXTENDED_KEY_USAGE, ERR_R_MALLOC_FAILURE);
129 return NULL;
130 }
131
132 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
133 val = sk_CONF_VALUE_value(nval, i);
134 if(val->value) extval = val->value;
135 else extval = val->name;
136 if(!(objtmp = OBJ_txt2obj(extval, 0))) {
137 sk_ASN1_OBJECT_pop_free(extku, ASN1_OBJECT_free);
138 OPENSSL_PUT_ERROR(X509V3, v2i_EXTENDED_KEY_USAGE, X509V3_R_INVALID_OBJECT_IDENTIFIER);
139 X509V3_conf_err(val);
140 return NULL;
141 }
142 sk_ASN1_OBJECT_push(extku, objtmp);
143 }
144 return extku;
145 }
146