1/*
2 * Copyright (c) 2000 - 2001 Kungliga Tekniska Högskolan
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
36KRB5_LIB_FUNCTION void KRB5_LIB_CALL
37krb5_appdefault_boolean(krb5_context context, const char *appname,
38			krb5_const_realm realm, const char *option,
39			krb5_boolean def_val, krb5_boolean *ret_val)
40{
41
42    if(appname == NULL)
43	appname = getprogname();
44
45    def_val = krb5_config_get_bool_default(context, NULL, def_val,
46					   "libdefaults", option, NULL);
47    if(realm != NULL)
48	def_val = krb5_config_get_bool_default(context, NULL, def_val,
49					       "realms", realm, option, NULL);
50
51    def_val = krb5_config_get_bool_default(context, NULL, def_val,
52					   "appdefaults",
53					   option,
54					   NULL);
55    if(realm != NULL)
56	def_val = krb5_config_get_bool_default(context, NULL, def_val,
57					       "appdefaults",
58					       realm,
59					       option,
60					       NULL);
61    if(appname != NULL) {
62	def_val = krb5_config_get_bool_default(context, NULL, def_val,
63					       "appdefaults",
64					       appname,
65					       option,
66					       NULL);
67	if(realm != NULL)
68	    def_val = krb5_config_get_bool_default(context, NULL, def_val,
69						   "appdefaults",
70						   appname,
71						   realm,
72						   option,
73						   NULL);
74    }
75    *ret_val = def_val;
76}
77
78KRB5_LIB_FUNCTION void KRB5_LIB_CALL
79krb5_appdefault_string(krb5_context context, const char *appname,
80		       krb5_const_realm realm, const char *option,
81		       const char *def_val, char **ret_val)
82{
83    if(appname == NULL)
84	appname = getprogname();
85
86    def_val = krb5_config_get_string_default(context, NULL, def_val,
87					     "libdefaults", option, NULL);
88    if(realm != NULL)
89	def_val = krb5_config_get_string_default(context, NULL, def_val,
90						 "realms", realm, option, NULL);
91
92    def_val = krb5_config_get_string_default(context, NULL, def_val,
93					     "appdefaults",
94					     option,
95					     NULL);
96    if(realm != NULL)
97	def_val = krb5_config_get_string_default(context, NULL, def_val,
98						 "appdefaults",
99						 realm,
100						 option,
101						 NULL);
102    if(appname != NULL) {
103	def_val = krb5_config_get_string_default(context, NULL, def_val,
104						 "appdefaults",
105						 appname,
106						 option,
107						 NULL);
108	if(realm != NULL)
109	    def_val = krb5_config_get_string_default(context, NULL, def_val,
110						     "appdefaults",
111						     appname,
112						     realm,
113						     option,
114						     NULL);
115    }
116    if(def_val != NULL)
117	*ret_val = strdup(def_val);
118    else
119	*ret_val = NULL;
120}
121
122KRB5_LIB_FUNCTION void KRB5_LIB_CALL
123krb5_appdefault_time(krb5_context context, const char *appname,
124		     krb5_const_realm realm, const char *option,
125		     time_t def_val, time_t *ret_val)
126{
127    krb5_deltat t;
128    char *val;
129
130    krb5_appdefault_string(context, appname, realm, option, NULL, &val);
131    if (val == NULL) {
132	*ret_val = def_val;
133	return;
134    }
135    if (krb5_string_to_deltat(val, &t))
136	*ret_val = def_val;
137    else
138	*ret_val = t;
139    free(val);
140}
141