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