2 * WPA Supplicant / main() function for UNIX like OSes and MinGW
3 * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
18 #endif /* __linux__ */
21 #include "wpa_supplicant_i.h"
24 static void usage(void)
29 " wpa_supplicant [-BddhKLqq"
30 #ifdef CONFIG_DEBUG_SYSLOG
32 #endif /* CONFIG_DEBUG_SYSLOG */
34 #ifdef CONFIG_CTRL_IFACE_DBUS
36 #endif /* CONFIG_CTRL_IFACE_DBUS */
38 "[-g<global ctrl>] \\\n"
39 " -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] "
40 "[-p<driver_param>] \\\n"
42 #ifdef CONFIG_DEBUG_FILE
44 #endif /* CONFIG_DEBUG_FILE */
46 " [-N -i<ifname> -c<conf> [-C<ctrl>] "
48 " [-p<driver_param>] [-b<br_ifname>] ...]\n"
51 wpa_supplicant_version, wpa_supplicant_license);
53 for (i = 0; wpa_supplicant_drivers[i]; i++) {
55 wpa_supplicant_drivers[i]->name,
56 wpa_supplicant_drivers[i]->desc);
59 #ifndef CONFIG_NO_STDOUT_DEBUG
61 " -b = optional bridge interface name\n"
62 " -B = run daemon in the background\n"
63 " -c = Configuration file\n"
64 " -C = ctrl_interface parameter (only used if -c is not)\n"
65 " -i = interface name\n"
66 " -d = increase debugging verbosity (-dd even more)\n"
68 #ifdef CONFIG_DEBUG_FILE
69 " -f = log output to debug file instead of stdout\n"
70 #endif /* CONFIG_DEBUG_FILE */
71 " -g = global ctrl_interface\n"
72 " -K = include keys (passwords, etc.) in debug output\n"
73 #ifdef CONFIG_DEBUG_SYSLOG
74 " -s = log output to syslog instead of stdout\n"
75 #endif /* CONFIG_DEBUG_SYSLOG */
76 " -t = include timestamp in debug messages\n"
77 " -h = show this help text\n"
78 " -L = show license (GPL and BSD)\n");
79 printf(" -p = driver parameters\n"
81 " -q = decrease debugging verbosity (-qq even less)\n"
82 #ifdef CONFIG_CTRL_IFACE_DBUS
83 " -u = enable DBus control interface\n"
84 #endif /* CONFIG_CTRL_IFACE_DBUS */
85 " -v = show version\n"
86 " -W = wait for a control interface monitor before starting\n"
87 " -N = start describing new interface\n");
90 " wpa_supplicant -D%s -iwlan0 -c/etc/wpa_supplicant.conf\n",
91 wpa_supplicant_drivers[i] ?
92 wpa_supplicant_drivers[i]->name : "wext");
93 #endif /* CONFIG_NO_STDOUT_DEBUG */
97 static void license(void)
99 #ifndef CONFIG_NO_STDOUT_DEBUG
100 printf("%s\n\n%s%s%s%s%s\n",
101 wpa_supplicant_version,
102 wpa_supplicant_full_license1,
103 wpa_supplicant_full_license2,
104 wpa_supplicant_full_license3,
105 wpa_supplicant_full_license4,
106 wpa_supplicant_full_license5);
107 #endif /* CONFIG_NO_STDOUT_DEBUG */
111 static void wpa_supplicant_fd_workaround(void)
115 /* When started from pcmcia-cs scripts, wpa_supplicant might start with
116 * fd 0, 1, and 2 closed. This will cause some issues because many
117 * places in wpa_supplicant are still printing out to stdout. As a
118 * workaround, make sure that fd's 0, 1, and 2 are not used for other
120 for (i = 0; i < 3; i++) {
121 s = open("/dev/null", O_RDWR);
127 #endif /* __linux__ */
131 int main(int argc, char *argv[])
134 struct wpa_interface *ifaces, *iface;
135 int iface_count, exitcode = -1;
136 struct wpa_params params;
137 struct wpa_global *global;
139 if (os_program_init())
142 os_memset(¶ms, 0, sizeof(params));
143 params.wpa_debug_level = MSG_INFO;
145 iface = ifaces = os_zalloc(sizeof(struct wpa_interface));
150 wpa_supplicant_fd_workaround();
153 c = getopt(argc, argv, "b:Bc:C:D:df:g:hi:KLNp:P:qstuvW");
158 iface->bridge_ifname = optarg;
164 iface->confname = optarg;
167 iface->ctrl_interface = optarg;
170 iface->driver = optarg;
173 #ifdef CONFIG_NO_STDOUT_DEBUG
174 printf("Debugging disabled with "
175 "CONFIG_NO_STDOUT_DEBUG=y build time "
178 #else /* CONFIG_NO_STDOUT_DEBUG */
179 params.wpa_debug_level--;
181 #endif /* CONFIG_NO_STDOUT_DEBUG */
182 #ifdef CONFIG_DEBUG_FILE
184 params.wpa_debug_file_path = optarg;
186 #endif /* CONFIG_DEBUG_FILE */
188 params.ctrl_interface = optarg;
195 iface->ifname = optarg;
198 params.wpa_debug_show_keys++;
205 iface->driver_param = optarg;
208 os_free(params.pid_file);
209 params.pid_file = os_rel2abs_path(optarg);
212 params.wpa_debug_level++;
214 #ifdef CONFIG_DEBUG_SYSLOG
216 params.wpa_debug_syslog++;
218 #endif /* CONFIG_DEBUG_SYSLOG */
220 params.wpa_debug_timestamp++;
222 #ifdef CONFIG_CTRL_IFACE_DBUS
224 params.dbus_ctrl_interface = 1;
226 #endif /* CONFIG_CTRL_IFACE_DBUS */
228 printf("%s\n", wpa_supplicant_version);
232 params.wait_for_monitor++;
236 iface = os_realloc(ifaces, iface_count *
237 sizeof(struct wpa_interface));
241 iface = &ifaces[iface_count - 1];
242 os_memset(iface, 0, sizeof(*iface));
252 global = wpa_supplicant_init(¶ms);
253 if (global == NULL) {
254 wpa_printf(MSG_ERROR, "Failed to initialize wpa_supplicant");
259 for (i = 0; exitcode == 0 && i < iface_count; i++) {
260 if ((ifaces[i].confname == NULL &&
261 ifaces[i].ctrl_interface == NULL) ||
262 ifaces[i].ifname == NULL) {
263 if (iface_count == 1 && (params.ctrl_interface ||
264 params.dbus_ctrl_interface))
270 if (wpa_supplicant_add_iface(global, &ifaces[i]) == NULL)
275 exitcode = wpa_supplicant_run(global);
277 wpa_supplicant_deinit(global);
281 os_free(params.pid_file);