Initial addition of new X509 V3 files, tidy of old files.
[openssl.git] / crypto / x509v3 / v3_bitstr.c
1 /* v3_bitstr.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 <stdlib.h>
61 #include <pem.h>
62 #include <asn1_mac.h>
63 #include <err.h>
64 #include <objects.h>
65 #include <conf.h>
66 #include "x509v3.h"
67
68 #ifndef NOPROTO
69 static ASN1_BIT_STRING *asn1_bit_string_new(void);
70 static ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK *nval);
71 static STACK *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, ASN1_BIT_STRING *bits);
72 #else
73 static ASN1_BIT_STRING *asn1_bit_string_new();
74 static ASN1_BIT_STRING *v2i_ASN1_BIT_STRING();
75 static STACK *i2v_ASN1_BIT_STRING();
76 #endif
77
78 static BIT_STRING_BITNAME ns_cert_type_table[] = {
79 {0, "SSL Client", "client"},
80 {1, "SSL Server", "server"},
81 {2, "S/MIME", "email"},
82 {3, "Object Signing", "objsign"},
83 {4, "Unused", "reserved"},
84 {5, "SSL CA", "sslCA"},
85 {6, "S/MIME CA", "emailCA"},
86 {7, "Object Signing CA", "objCA"},
87 {-1, NULL, NULL}
88 };
89
90 static BIT_STRING_BITNAME key_usage_type_table[] = {
91 {0, "Digital Signature", "digitalSignature"},
92 {1, "Non Repudiation", "nonRepudiation"},
93 {2, "Key Encipherment", "keyEncipherment"},
94 {3, "Data Encipherment", "dataEncipherment"},
95 {4, "Key Agreement", "keyAgreement"},
96 {5, "Certificate Sign", "keyCertSign"},
97 {6, "CRL Sign", "cRLCertSign"},
98 {7, "Encipher Only", "encipherOnly"},
99 {8, "Decipher Only", "decipherOnly"},
100 {-1, NULL, NULL}
101 };
102
103
104
105 X509V3_EXT_METHOD v3_nscert = EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table);
106 X509V3_EXT_METHOD v3_key_usage = EXT_BITSTRING(NID_key_usage, key_usage_type_table);
107
108 static ASN1_BIT_STRING *asn1_bit_string_new()
109 {
110         return ASN1_BIT_STRING_new();
111 }
112
113 static STACK *i2v_ASN1_BIT_STRING(method, bits)
114 X509V3_EXT_METHOD *method;
115 ASN1_BIT_STRING *bits;
116 {
117         BIT_STRING_BITNAME *bnam;
118         STACK *ret = NULL;
119         for(bnam =(BIT_STRING_BITNAME *)method->usr_data; bnam->lname; bnam++) {
120                 if(ASN1_BIT_STRING_get_bit(bits, bnam->bitnum)) 
121                         X509V3_add_value(bnam->lname, NULL, &ret);
122         }
123         return ret;
124 }
125         
126 static ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(method, ctx, nval)
127 X509V3_EXT_METHOD *method;
128 X509V3_CTX *ctx;
129 STACK *nval;
130 {
131         CONF_VALUE *val;
132         ASN1_BIT_STRING *bs;
133         int i;
134         BIT_STRING_BITNAME *bnam;
135         if(!(bs = ASN1_BIT_STRING_new())) {
136                 X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,ERR_R_MALLOC_FAILURE);
137                 return NULL;
138         }
139         for(i = 0; i < sk_num(nval); i++) {
140                 val = (CONF_VALUE *)sk_value(nval, i);
141                 for(bnam = (BIT_STRING_BITNAME *)method->usr_data; bnam->lname;
142                                                                        bnam++) {
143                         if(!strcmp(bnam->sname, val->name) ||
144                                 !strcmp(bnam->lname, val->name) ) {
145                                 ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1);
146                                 break;
147                         }
148                 }
149                 if(!bnam->lname) {
150                         X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT);
151                         X509V3_conf_err(val);
152                         ASN1_BIT_STRING_free(bs);
153                         return NULL;
154                 }
155         }
156         return bs;
157 }
158         
159