1/*	$NetBSD: appdefault.c,v 1.2 2017/01/28 21:31:49 christos Exp $	*/
2
3/*
4 * Copyright (c) 2000 - 2001 Kungliga Tekniska H��gskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * 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 the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#include "krb5_locl.h"
37
38KRB5_LIB_FUNCTION void KRB5_LIB_CALL
39krb5_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
80KRB5_LIB_FUNCTION void KRB5_LIB_CALL
81krb5_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
124KRB5_LIB_FUNCTION void KRB5_LIB_CALL
125krb5_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    krb5_deltat t;
130    char *val;
131
132    krb5_appdefault_string(context, appname, realm, option, NULL, &val);
133    if (val == NULL) {
134	*ret_val = def_val;
135	return;
136    }
137    if (krb5_string_to_deltat(val, &t))
138	*ret_val = def_val;
139    else
140	*ret_val = t;
141    free(val);
142}
143