v3_bitst.c revision 109998 
1/* v3_bitst.c */
2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/conf.h>
62#include <openssl/x509v3.h>
63
64static ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
65				X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
66static STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
67				ASN1_BIT_STRING *bits,
68				STACK_OF(CONF_VALUE) *extlist);
69
70static BIT_STRING_BITNAME ns_cert_type_table[] = {
71{0, "SSL Client", "client"},
72{1, "SSL Server", "server"},
73{2, "S/MIME", "email"},
74{3, "Object Signing", "objsign"},
75{4, "Unused", "reserved"},
76{5, "SSL CA", "sslCA"},
77{6, "S/MIME CA", "emailCA"},
78{7, "Object Signing CA", "objCA"},
79{-1, NULL, NULL}
80};
81
82static BIT_STRING_BITNAME key_usage_type_table[] = {
83{0, "Digital Signature", "digitalSignature"},
84{1, "Non Repudiation", "nonRepudiation"},
85{2, "Key Encipherment", "keyEncipherment"},
86{3, "Data Encipherment", "dataEncipherment"},
87{4, "Key Agreement", "keyAgreement"},
88{5, "Certificate Sign", "keyCertSign"},
89{6, "CRL Sign", "cRLSign"},
90{7, "Encipher Only", "encipherOnly"},
91{8, "Decipher Only", "decipherOnly"},
92{-1, NULL, NULL}
93};
94
95
96
97X509V3_EXT_METHOD v3_nscert = EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table);
98X509V3_EXT_METHOD v3_key_usage = EXT_BITSTRING(NID_key_usage, key_usage_type_table);
99
100static STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
101	     ASN1_BIT_STRING *bits, STACK_OF(CONF_VALUE) *ret)
102{
103	BIT_STRING_BITNAME *bnam;
104	for(bnam =method->usr_data; bnam->lname; bnam++) {
105		if(ASN1_BIT_STRING_get_bit(bits, bnam->bitnum))
106			X509V3_add_value(bnam->lname, NULL, &ret);
107	}
108	return ret;
109}
110
111static ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
112	     X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
113{
114	CONF_VALUE *val;
115	ASN1_BIT_STRING *bs;
116	int i;
117	BIT_STRING_BITNAME *bnam;
118	if(!(bs = M_ASN1_BIT_STRING_new())) {
119		X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,ERR_R_MALLOC_FAILURE);
120		return NULL;
121	}
122	for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
123		val = sk_CONF_VALUE_value(nval, i);
124		for(bnam = method->usr_data; bnam->lname; bnam++) {
125			if(!strcmp(bnam->sname, val->name) ||
126				!strcmp(bnam->lname, val->name) ) {
127				ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1);
128				break;
129			}
130		}
131		if(!bnam->lname) {
132			X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,
133					X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT);
134			X509V3_conf_err(val);
135			M_ASN1_BIT_STRING_free(bs);
136			return NULL;
137		}
138	}
139	return bs;
140}
141
142
143