1 : /*
2 : * checkconf.c - Miredo conf parser unit test
3 : * $Id: checkconf.c 1938 2007-02-22 20:55:28Z remi $
4 : */
5 :
6 : /***********************************************************************
7 : * Copyright © 2005-2007 Rémi Denis-Courmont. *
8 : * This program is free software; you can redistribute and/or modify *
9 : * it under the terms of the GNU General Public License as published *
10 : * by the Free Software Foundation; version 2 of the license. *
11 : * *
12 : * This program is distributed in the hope that it will be useful, *
13 : * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
15 : * See the GNU General Public License for more details. *
16 : * *
17 : * You should have received a copy of the GNU General Public License *
18 : * along with this program; if not, you can get it from: *
19 : * http://www.gnu.org/copyleft/gpl.html *
20 : ***********************************************************************/
21 :
22 : #ifdef HAVE_CONFIG_H
23 : # include <config.h>
24 : #endif
25 :
26 : #include <gettext.h>
27 : #include <locale.h>
28 : #include "binreloc.h"
29 :
30 : #include <stdio.h>
31 : #include <stdlib.h>
32 : #include <stdarg.h>
33 : #include <string.h>
34 : #include <stdbool.h>
35 :
36 : #include <unistd.h>
37 : #include <inttypes.h>
38 : #include <netinet/in.h>
39 : #include "miredo.h"
40 : #include "conf.h"
41 :
42 : #ifdef HAVE_GETOPT_H
43 : # include <getopt.h>
44 : #endif
45 :
46 : static void logger (void *fail, bool error, const char *fmt, va_list ap)
47 0 : {
48 0 : *((bool *)fail) = true;
49 : (void)error;
50 :
51 0 : vfprintf (stderr, fmt, ap);
52 0 : fputc ('\n', stderr);
53 0 : }
54 :
55 : /* FIXME: use same more clever code as in main.c */
56 : static const char conffile[] = SYSCONFDIR"/miredo/miredo.conf";
57 :
58 : static int miredo_checkconf (miredo_conf *conf)
59 3 : {
60 3 : int i, res = 0;
61 3 : if (!miredo_conf_parse_syslog_facility (conf, "SyslogFacility", &i))
62 0 : res = -1;
63 :
64 3 : bool client = true;
65 :
66 : unsigned line;
67 3 : char *val = miredo_conf_get (conf, "RelayType", &line);
68 :
69 3 : if (val != NULL)
70 : {
71 0 : if ((strcasecmp (val, "client") == 0)
72 : || (strcasecmp (val, "autoclient") == 0))
73 0 : client = true;
74 : else
75 0 : if ((strcasecmp (val, "relay") == 0)
76 : || (strcasecmp (val, "cone") == 0)
77 : || (strcasecmp (val, "restricted") == 0))
78 0 : client = false;
79 : else
80 : {
81 0 : fprintf (stderr, _("Invalid relay type \"%s\" at line %u"),
82 : val, line);
83 0 : fputc ('\n', stderr);
84 0 : res = -1;
85 : }
86 0 : free (val);
87 : }
88 :
89 : uint32_t u32;
90 : uint16_t u16;
91 :
92 3 : if (client)
93 : {
94 : #ifdef MIREDO_TEREDO_CLIENT
95 3 : uint32_t ip = 0;
96 :
97 3 : if (!miredo_conf_parse_IPv4 (conf, "ServerAddress", &ip)
98 : || !miredo_conf_parse_IPv4 (conf, "ServerAddress2", &u32))
99 0 : res = -1;
100 :
101 3 : if (ip == 0)
102 : {
103 0 : fprintf (stderr, "%s\n", _("Server address not specified"));
104 0 : res = -1;
105 : }
106 : #else
107 : fprintf (stderr, "%s\n", _("Unsupported Teredo client mode"));
108 : res = -1;
109 : #endif
110 : }
111 : else
112 : {
113 : uint32_t pref;
114 0 : if (!miredo_conf_parse_teredo_prefix (conf, "Prefix", &pref)
115 : || !miredo_conf_get_int16 (conf, "InterfaceMTU", &u16, NULL))
116 0 : res = -1;
117 : }
118 :
119 3 : if (!miredo_conf_parse_IPv4 (conf, "BindAddress", &u32)
120 : || !miredo_conf_get_int16 (conf, "BindPort", &u16, NULL))
121 0 : res = -1;
122 :
123 3 : char *str = miredo_conf_get (conf, "InterfaceName", NULL);
124 3 : if (str != NULL)
125 3 : free (str);
126 :
127 3 : miredo_conf_clear (conf, 5);
128 3 : return res;
129 : }
130 :
131 :
132 : static int miredo_checkconffile (const char *filename)
133 3 : {
134 3 : bool failed = false;
135 3 : miredo_conf *conf = miredo_conf_create (logger, &failed);
136 :
137 3 : if (conf == NULL)
138 0 : return -1;
139 :
140 3 : if (!miredo_conf_read_file (conf, filename))
141 0 : failed = true;
142 : else
143 3 : if (miredo_checkconf (conf))
144 0 : failed = true;
145 :
146 3 : miredo_conf_destroy (conf);
147 3 : if (failed)
148 : {
149 0 : fprintf (stderr, "%s\n", _("Fatal configuration error"));
150 0 : return -1;
151 : }
152 3 : return 0;
153 : }
154 :
155 :
156 : static int usage (const char *path)
157 0 : {
158 0 : printf ("Usage: %s [CONF_FILE]\n", path);
159 0 : return 0;
160 : }
161 :
162 :
163 : int main(int argc, char *argv[])
164 3 : {
165 3 : (void)br_init (NULL);
166 3 : (void)setlocale (LC_ALL, "");
167 3 : char *path = br_find_locale_dir (LOCALEDIR);
168 : (void)bindtextdomain (PACKAGE_NAME, path);
169 3 : free (path);
170 3 : path = NULL;
171 :
172 : static const struct option opts[] =
173 : {
174 : { "conf", required_argument, NULL, 'c' },
175 : { "config", required_argument, NULL, 'c' },
176 : { "foreground", no_argument, NULL, 'f' },
177 : { "help", no_argument, NULL, 'h' },
178 : { "pidfile", required_argument, NULL, 'p' },
179 : { "chroot", required_argument, NULL, 't' },
180 : { "chrootdir", required_argument, NULL, 't' },
181 : { "user", required_argument, NULL, 'u' },
182 : { "username", required_argument, NULL, 'u' },
183 : { "version", no_argument, NULL, 'V' },
184 : { NULL, no_argument, NULL, '\0'}
185 : };
186 :
187 3 : const char *filename = NULL;
188 :
189 : int c;
190 6 : while ((c = getopt_long (argc, argv, "c:fhp:t:u:V", opts, NULL)) != -1)
191 0 : switch (c)
192 : {
193 : case 'c':
194 0 : filename = optarg;
195 0 : break;
196 :
197 : case 'h':
198 0 : return usage(argv[0]);
199 :
200 : case 'V':
201 0 : return miredo_version();
202 : }
203 :
204 3 : if (optind < argc)
205 0 : filename = argv[optind++];
206 : else
207 3 : if (filename == NULL)
208 : {
209 : /* No parameters provided - attempt in source tree test */
210 3 : const char *srcdir = getenv ("srcdir");
211 :
212 3 : if (srcdir != NULL)
213 3 : filename = "../misc/miredo.conf";
214 : else
215 0 : filename = conffile;
216 : }
217 :
218 3 : int res = miredo_checkconffile (filename);
219 :
220 3 : if (path != NULL)
221 0 : free (path);
222 :
223 3 : return res;
224 : }
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