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 extern const char *wpa_supplicant_version;
25 extern const char *wpa_supplicant_license;
26 #ifndef CONFIG_NO_STDOUT_DEBUG
27 extern const char *wpa_supplicant_full_license1;
28 extern const char *wpa_supplicant_full_license2;
29 extern const char *wpa_supplicant_full_license3;
30 extern const char *wpa_supplicant_full_license4;
31 extern const char *wpa_supplicant_full_license5;
32 #endif /* CONFIG_NO_STDOUT_DEBUG */
34 extern struct wpa_driver_ops *wpa_supplicant_drivers[];
37 static void usage(void)
42 " wpa_supplicant [-BddehLqquvwW] [-P<pid file>] "
43 "[-g<global ctrl>] \\\n"
44 " -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] "
45 "[-p<driver_param>] \\\n"
46 " [-b<br_ifname> [-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 " -g = global ctrl_interface\n"
69 " -K = include keys (passwords, etc.) in debug output\n"
70 " -t = include timestamp in debug messages\n"
71 " -h = show this help text\n"
72 " -L = show license (GPL and BSD)\n");
73 printf(" -p = driver parameters\n"
75 " -q = decrease debugging verbosity (-qq even less)\n"
76 #ifdef CONFIG_CTRL_IFACE_DBUS
77 " -u = enable DBus control interface\n"
78 #endif /* CONFIG_CTRL_IFACE_DBUS */
79 " -v = show version\n"
80 " -w = wait for interface to be added, if needed\n"
81 " -W = wait for a control interface monitor before starting\n"
82 " -N = start describing new interface\n");
85 " wpa_supplicant -Dwext -iwlan0 -c/etc/wpa_supplicant.conf\n");
86 #endif /* CONFIG_NO_STDOUT_DEBUG */
90 static void license(void)
92 #ifndef CONFIG_NO_STDOUT_DEBUG
93 printf("%s\n\n%s%s%s%s%s\n",
94 wpa_supplicant_version,
95 wpa_supplicant_full_license1,
96 wpa_supplicant_full_license2,
97 wpa_supplicant_full_license3,
98 wpa_supplicant_full_license4,
99 wpa_supplicant_full_license5);
100 #endif /* CONFIG_NO_STDOUT_DEBUG */
104 static void wpa_supplicant_fd_workaround(void)
108 /* When started from pcmcia-cs scripts, wpa_supplicant might start with
109 * fd 0, 1, and 2 closed. This will cause some issues because many
110 * places in wpa_supplicant are still printing out to stdout. As a
111 * workaround, make sure that fd's 0, 1, and 2 are not used for other
113 for (i = 0; i < 3; i++) {
114 s = open("/dev/null", O_RDWR);
120 #endif /* __linux__ */
124 int main(int argc, char *argv[])
127 struct wpa_interface *ifaces, *iface;
128 int iface_count, exitcode = -1;
129 struct wpa_params params;
130 struct wpa_global *global;
132 if (os_program_init())
135 os_memset(¶ms, 0, sizeof(params));
136 params.wpa_debug_level = MSG_INFO;
138 iface = ifaces = os_zalloc(sizeof(struct wpa_interface));
143 wpa_supplicant_fd_workaround();
146 c = getopt(argc, argv, "b:Bc:C:D:dg:hi:KLNp:P:qtuvwW");
151 iface->bridge_ifname = optarg;
157 iface->confname = optarg;
160 iface->ctrl_interface = optarg;
163 iface->driver = optarg;
166 #ifdef CONFIG_NO_STDOUT_DEBUG
167 printf("Debugging disabled with "
168 "CONFIG_NO_STDOUT_DEBUG=y build time "
171 #else /* CONFIG_NO_STDOUT_DEBUG */
172 params.wpa_debug_level--;
174 #endif /* CONFIG_NO_STDOUT_DEBUG */
176 params.ctrl_interface = optarg;
183 iface->ifname = optarg;
186 params.wpa_debug_show_keys++;
193 iface->driver_param = optarg;
196 os_free(params.pid_file);
197 params.pid_file = os_rel2abs_path(optarg);
200 params.wpa_debug_level++;
203 params.wpa_debug_timestamp++;
205 #ifdef CONFIG_CTRL_IFACE_DBUS
207 params.dbus_ctrl_interface = 1;
209 #endif /* CONFIG_CTRL_IFACE_DBUS */
211 printf("%s\n", wpa_supplicant_version);
215 params.wait_for_interface++;
218 params.wait_for_monitor++;
222 iface = os_realloc(ifaces, iface_count *
223 sizeof(struct wpa_interface));
227 iface = &ifaces[iface_count - 1];
228 os_memset(iface, 0, sizeof(*iface));
238 global = wpa_supplicant_init(¶ms);
239 if (global == NULL) {
240 printf("Failed to initialize wpa_supplicant\n");
245 for (i = 0; exitcode == 0 && i < iface_count; i++) {
246 if ((ifaces[i].confname == NULL &&
247 ifaces[i].ctrl_interface == NULL) ||
248 ifaces[i].ifname == NULL) {
249 if (iface_count == 1 && (params.ctrl_interface ||
250 params.dbus_ctrl_interface))
256 if (wpa_supplicant_add_iface(global, &ifaces[i]) == NULL)
261 exitcode = wpa_supplicant_run(global);
263 wpa_supplicant_deinit(global);
267 os_free(params.pid_file);