xref: /freebsd/crypto/heimdal/lib/krb5/appdefault.c (revision f0adf7f5cdd241db2f2c817683191a6ef64a4e95)
1 /*
2  * Copyright (c) 2000 - 2001 Kungliga Tekniska H�gskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Institute nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include "krb5_locl.h"
35 
36 RCSID("$Id: appdefault.c,v 1.7 2001/09/16 04:48:55 assar Exp $");
37 
38 void
39 krb5_appdefault_boolean(krb5_context context, const char *appname,
40 			krb5_const_realm realm, const char *option,
41 			krb5_boolean def_val, krb5_boolean *ret_val)
42 {
43 
44     if(appname == NULL)
45 	appname = getprogname();
46 
47     def_val = krb5_config_get_bool_default(context, NULL, def_val,
48 					   "libdefaults", option, NULL);
49     if(realm != NULL)
50 	def_val = krb5_config_get_bool_default(context, NULL, def_val,
51 					       "realms", realm, option, NULL);
52 
53     def_val = krb5_config_get_bool_default(context, NULL, def_val,
54 					   "appdefaults",
55 					   option,
56 					   NULL);
57     if(realm != NULL)
58 	def_val = krb5_config_get_bool_default(context, NULL, def_val,
59 					       "appdefaults",
60 					       realm,
61 					       option,
62 					       NULL);
63     if(appname != NULL) {
64 	def_val = krb5_config_get_bool_default(context, NULL, def_val,
65 					       "appdefaults",
66 					       appname,
67 					       option,
68 					       NULL);
69 	if(realm != NULL)
70 	    def_val = krb5_config_get_bool_default(context, NULL, def_val,
71 						   "appdefaults",
72 						   appname,
73 						   realm,
74 						   option,
75 						   NULL);
76     }
77     *ret_val = def_val;
78 }
79 
80 void
81 krb5_appdefault_string(krb5_context context, const char *appname,
82 		       krb5_const_realm realm, const char *option,
83 		       const char *def_val, char **ret_val)
84 {
85     if(appname == NULL)
86 	appname = getprogname();
87 
88     def_val = krb5_config_get_string_default(context, NULL, def_val,
89 					     "libdefaults", option, NULL);
90     if(realm != NULL)
91 	def_val = krb5_config_get_string_default(context, NULL, def_val,
92 						 "realms", realm, option, NULL);
93 
94     def_val = krb5_config_get_string_default(context, NULL, def_val,
95 					     "appdefaults",
96 					     option,
97 					     NULL);
98     if(realm != NULL)
99 	def_val = krb5_config_get_string_default(context, NULL, def_val,
100 						 "appdefaults",
101 						 realm,
102 						 option,
103 						 NULL);
104     if(appname != NULL) {
105 	def_val = krb5_config_get_string_default(context, NULL, def_val,
106 						 "appdefaults",
107 						 appname,
108 						 option,
109 						 NULL);
110 	if(realm != NULL)
111 	    def_val = krb5_config_get_string_default(context, NULL, def_val,
112 						     "appdefaults",
113 						     appname,
114 						     realm,
115 						     option,
116 						     NULL);
117     }
118     if(def_val != NULL)
119 	*ret_val = strdup(def_val);
120     else
121 	*ret_val = NULL;
122 }
123 
124 void
125 krb5_appdefault_time(krb5_context context, const char *appname,
126 		     krb5_const_realm realm, const char *option,
127 		     time_t def_val, time_t *ret_val)
128 {
129     time_t t;
130     char tstr[32];
131     char *val;
132     snprintf(tstr, sizeof(tstr), "%ld", (long)def_val);
133     krb5_appdefault_string(context, appname, realm, option, tstr, &val);
134     t = parse_time (val, NULL);
135     free(val);
136     *ret_val = t;
137 }
138