v3_bitst.c revision 296465 
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 */
59
60#include <stdio.h>
61#include "cryptlib.h"
62#include <openssl/conf.h>
63#include <openssl/x509v3.h>
64
65static BIT_STRING_BITNAME ns_cert_type_table[] = {
66    {0, "SSL Client", "client"},
67    {1, "SSL Server", "server"},
68    {2, "S/MIME", "email"},
69    {3, "Object Signing", "objsign"},
70    {4, "Unused", "reserved"},
71    {5, "SSL CA", "sslCA"},
72    {6, "S/MIME CA", "emailCA"},
73    {7, "Object Signing CA", "objCA"},
74    {-1, NULL, NULL}
75};
76
77static BIT_STRING_BITNAME key_usage_type_table[] = {
78    {0, "Digital Signature", "digitalSignature"},
79    {1, "Non Repudiation", "nonRepudiation"},
80    {2, "Key Encipherment", "keyEncipherment"},
81    {3, "Data Encipherment", "dataEncipherment"},
82    {4, "Key Agreement", "keyAgreement"},
83    {5, "Certificate Sign", "keyCertSign"},
84    {6, "CRL Sign", "cRLSign"},
85    {7, "Encipher Only", "encipherOnly"},
86    {8, "Decipher Only", "decipherOnly"},
87    {-1, NULL, NULL}
88};
89
90const X509V3_EXT_METHOD v3_nscert =
91EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table);
92const X509V3_EXT_METHOD v3_key_usage =
93EXT_BITSTRING(NID_key_usage, key_usage_type_table);
94
95STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
96                                          ASN1_BIT_STRING *bits,
97                                          STACK_OF(CONF_VALUE) *ret)
98{
99    BIT_STRING_BITNAME *bnam;
100    for (bnam = method->usr_data; bnam->lname; bnam++) {
101        if (ASN1_BIT_STRING_get_bit(bits, bnam->bitnum))
102            X509V3_add_value(bnam->lname, NULL, &ret);
103    }
104    return ret;
105}
106
107ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
108                                     X509V3_CTX *ctx,
109                                     STACK_OF(CONF_VALUE) *nval)
110{
111    CONF_VALUE *val;
112    ASN1_BIT_STRING *bs;
113    int i;
114    BIT_STRING_BITNAME *bnam;
115    if (!(bs = M_ASN1_BIT_STRING_new())) {
116        X509V3err(X509V3_F_V2I_ASN1_BIT_STRING, ERR_R_MALLOC_FAILURE);
117        return NULL;
118    }
119    for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
120        val = sk_CONF_VALUE_value(nval, i);
121        for (bnam = method->usr_data; bnam->lname; bnam++) {
122            if (!strcmp(bnam->sname, val->name) ||
123                !strcmp(bnam->lname, val->name)) {
124                if (!ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1)) {
125                    X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,
126                              ERR_R_MALLOC_FAILURE);
127                    M_ASN1_BIT_STRING_free(bs);
128                    return NULL;
129                }
130                break;
131            }
132        }
133        if (!bnam->lname) {
134            X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,
135                      X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT);
136            X509V3_conf_err(val);
137            M_ASN1_BIT_STRING_free(bs);
138            return NULL;
139        }
140    }
141    return bs;
142}
143