1/* v3_bitst.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#include <string.h>
60
61#include <openssl/conf.h>
62#include <openssl/err.h>
63#include <openssl/obj.h>
64#include <openssl/x509v3.h>
65
66static const BIT_STRING_BITNAME ns_cert_type_table[] = {
67 {0, "SSL Client", "client"},
68 {1, "SSL Server", "server"},
69 {2, "S/MIME", "email"},
70 {3, "Object Signing", "objsign"},
71 {4, "Unused", "reserved"},
72 {5, "SSL CA", "sslCA"},
73 {6, "S/MIME CA", "emailCA"},
74 {7, "Object Signing CA", "objCA"},
75 {-1, NULL, NULL}
76};
77
78static const BIT_STRING_BITNAME key_usage_type_table[] = {
79 {0, "Digital Signature", "digitalSignature"},
80 {1, "Non Repudiation", "nonRepudiation"},
81 {2, "Key Encipherment", "keyEncipherment"},
82 {3, "Data Encipherment", "dataEncipherment"},
83 {4, "Key Agreement", "keyAgreement"},
84 {5, "Certificate Sign", "keyCertSign"},
85 {6, "CRL Sign", "cRLSign"},
86 {7, "Encipher Only", "encipherOnly"},
87 {8, "Decipher Only", "decipherOnly"},
88 {-1, NULL, NULL}
89};
90
91const X509V3_EXT_METHOD v3_nscert =
92EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table);
93const X509V3_EXT_METHOD v3_key_usage =
94EXT_BITSTRING(NID_key_usage, key_usage_type_table);
95
96STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
97 ASN1_BIT_STRING *bits,
98 STACK_OF(CONF_VALUE) *ret)
99{
100 const BIT_STRING_BITNAME *bnam;
101 for (bnam = method->usr_data; bnam->lname; bnam++) {
102 if (ASN1_BIT_STRING_get_bit(bits, bnam->bitnum))
103 X509V3_add_value(bnam->lname, NULL, &ret);
104 }
105 return ret;
106}
107
108ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
109 X509V3_CTX *ctx,
110 STACK_OF(CONF_VALUE) *nval)
111{
112 CONF_VALUE *val;
113 ASN1_BIT_STRING *bs;
114 size_t i;
115 const BIT_STRING_BITNAME *bnam;
116 if (!(bs = M_ASN1_BIT_STRING_new())) {
117 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
118 return NULL;
119 }
120 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
121 val = sk_CONF_VALUE_value(nval, i);
122 for (bnam = method->usr_data; bnam->lname; bnam++) {
123 if (!strcmp(bnam->sname, val->name) ||
124 !strcmp(bnam->lname, val->name)) {
125 if (!ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1)) {
126 OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
127 M_ASN1_BIT_STRING_free(bs);
128 return NULL;
129 }
130 break;
131 }
132 }
133 if (!bnam->lname) {
134 OPENSSL_PUT_ERROR(X509V3, X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT);
135 X509V3_conf_err(val);
136 M_ASN1_BIT_STRING_free(bs);
137 return NULL;
138 }
139 }
140 return bs;
141}
142