Remove NOPROTO definitions and error code comments.
[openssl.git] / crypto / x509v3 / v3_bitst.c
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
64 static ASN1_BIT_STRING *asn1_bit_string_new(void);
65 static ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK *nval);
66 static STACK *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, ASN1_BIT_STRING *bits, STACK *extlist);
67 static BIT_STRING_BITNAME ns_cert_type_table[] = {
68 {0, "SSL Client", "client"},
69 {1, "SSL Server", "server"},
70 {2, "S/MIME", "email"},
71 {3, "Object Signing", "objsign"},
72 {4, "Unused", "reserved"},
73 {5, "SSL CA", "sslCA"},
74 {6, "S/MIME CA", "emailCA"},
75 {7, "Object Signing CA", "objCA"},
76 {-1, NULL, NULL}
77 };
78
79 static BIT_STRING_BITNAME key_usage_type_table[] = {
80 {0, "Digital Signature", "digitalSignature"},
81 {1, "Non Repudiation", "nonRepudiation"},
82 {2, "Key Encipherment", "keyEncipherment"},
83 {3, "Data Encipherment", "dataEncipherment"},
84 {4, "Key Agreement", "keyAgreement"},
85 {5, "Certificate Sign", "keyCertSign"},
86 {6, "CRL Sign", "cRLSign"},
87 {7, "Encipher Only", "encipherOnly"},
88 {8, "Decipher Only", "decipherOnly"},
89 {-1, NULL, NULL}
90 };
91
92
93
94 X509V3_EXT_METHOD v3_nscert = EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table);
95 X509V3_EXT_METHOD v3_key_usage = EXT_BITSTRING(NID_key_usage, key_usage_type_table);
96
97 static ASN1_BIT_STRING *asn1_bit_string_new(void)
98 {
99         return ASN1_BIT_STRING_new();
100 }
101
102 static STACK *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
103              ASN1_BIT_STRING *bits, STACK *ret)
104 {
105         BIT_STRING_BITNAME *bnam;
106         for(bnam =(BIT_STRING_BITNAME *)method->usr_data; bnam->lname; bnam++) {
107                 if(ASN1_BIT_STRING_get_bit(bits, bnam->bitnum)) 
108                         X509V3_add_value(bnam->lname, NULL, &ret);
109         }
110         return ret;
111 }
112         
113 static ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
114              X509V3_CTX *ctx, STACK *nval)
115 {
116         CONF_VALUE *val;
117         ASN1_BIT_STRING *bs;
118         int i;
119         BIT_STRING_BITNAME *bnam;
120         if(!(bs = ASN1_BIT_STRING_new())) {
121                 X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,ERR_R_MALLOC_FAILURE);
122                 return NULL;
123         }
124         for(i = 0; i < sk_num(nval); i++) {
125                 val = (CONF_VALUE *)sk_value(nval, i);
126                 for(bnam = (BIT_STRING_BITNAME *)method->usr_data; bnam->lname;
127                                                                        bnam++) {
128                         if(!strcmp(bnam->sname, val->name) ||
129                                 !strcmp(bnam->lname, val->name) ) {
130                                 ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1);
131                                 break;
132                         }
133                 }
134                 if(!bnam->lname) {
135                         X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT);
136                         X509V3_conf_err(val);
137                         ASN1_BIT_STRING_free(bs);
138                         return NULL;
139                 }
140         }
141         return bs;
142 }
143         
144