2 * WPA Supplicant / main() function for UNIX like OSes and MinGW
3 * Copyright (c) 2003-2013, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #endif /* __linux__ */
16 #include "wpa_supplicant_i.h"
18 #include "p2p_supplicant.h"
21 static void usage(void)
26 " wpa_supplicant [-BddhKLqq"
27 #ifdef CONFIG_DEBUG_SYSLOG
29 #endif /* CONFIG_DEBUG_SYSLOG */
31 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
33 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
35 "[-g<global ctrl>] \\\n"
37 " -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] "
38 "[-p<driver_param>] \\\n"
39 " [-b<br_ifname>] [-e<entropy file>]"
40 #ifdef CONFIG_DEBUG_FILE
42 #endif /* CONFIG_DEBUG_FILE */
44 " [-o<override driver>] [-O<override ctrl>] \\\n"
45 " [-N -i<ifname> -c<conf> [-C<ctrl>] "
48 " [-m<P2P Device config file>] \\\n"
49 #endif /* CONFIG_P2P */
50 " [-p<driver_param>] [-b<br_ifname>] [-I<config file>] "
54 wpa_supplicant_version, wpa_supplicant_license);
56 for (i = 0; wpa_drivers[i]; i++) {
59 wpa_drivers[i]->desc);
62 #ifndef CONFIG_NO_STDOUT_DEBUG
64 " -b = optional bridge interface name\n"
65 " -B = run daemon in the background\n"
66 " -c = Configuration file\n"
67 " -C = ctrl_interface parameter (only used if -c is not)\n"
68 " -d = increase debugging verbosity (-dd even more)\n"
69 " -D = driver name (can be multiple drivers: nl80211,wext)\n"
70 " -e = entropy file\n"
71 #ifdef CONFIG_DEBUG_FILE
72 " -f = log output to debug file instead of stdout\n"
73 #endif /* CONFIG_DEBUG_FILE */
74 " -g = global ctrl_interface\n"
75 " -G = global ctrl_interface group\n"
76 " -h = show this help text\n"
77 " -i = interface name\n"
78 " -I = additional configuration file\n"
79 " -K = include keys (passwords, etc.) in debug output\n"
80 " -L = show license (BSD)\n"
82 " -m = Configuration file for the P2P Device interface\n"
83 #endif /* CONFIG_P2P */
84 #ifdef CONFIG_MATCH_IFACE
85 " -M = start describing new matching interface\n"
86 #endif /* CONFIG_MATCH_IFACE */
87 " -N = start describing new interface\n"
88 " -o = override driver parameter for new interfaces\n"
89 " -O = override ctrl_interface parameter for new interfaces\n"
90 " -p = driver parameters\n"
92 " -q = decrease debugging verbosity (-qq even less)\n"
93 #ifdef CONFIG_DEBUG_SYSLOG
94 " -s = log output to syslog instead of stdout\n"
95 #endif /* CONFIG_DEBUG_SYSLOG */
96 " -t = include timestamp in debug messages\n"
97 #ifdef CONFIG_DEBUG_LINUX_TRACING
98 " -T = record to Linux tracing in addition to logging\n"
99 " (records all messages regardless of debug verbosity)\n"
100 #endif /* CONFIG_DEBUG_LINUX_TRACING */
101 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
102 " -u = enable DBus control interface\n"
103 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
104 " -v = show version\n"
105 " -W = wait for a control interface monitor before starting\n");
108 " wpa_supplicant -D%s -iwlan0 -c/etc/wpa_supplicant.conf\n",
109 wpa_drivers[0] ? wpa_drivers[0]->name : "nl80211");
110 #endif /* CONFIG_NO_STDOUT_DEBUG */
114 static void license(void)
116 #ifndef CONFIG_NO_STDOUT_DEBUG
117 printf("%s\n\n%s%s%s%s%s\n",
118 wpa_supplicant_version,
119 wpa_supplicant_full_license1,
120 wpa_supplicant_full_license2,
121 wpa_supplicant_full_license3,
122 wpa_supplicant_full_license4,
123 wpa_supplicant_full_license5);
124 #endif /* CONFIG_NO_STDOUT_DEBUG */
128 static void wpa_supplicant_fd_workaround(int start)
131 static int fd[3] = { -1, -1, -1 };
133 /* When started from pcmcia-cs scripts, wpa_supplicant might start with
134 * fd 0, 1, and 2 closed. This will cause some issues because many
135 * places in wpa_supplicant are still printing out to stdout. As a
136 * workaround, make sure that fd's 0, 1, and 2 are not used for other
139 for (i = 0; i < 3; i++) {
140 fd[i] = open("/dev/null", O_RDWR);
148 for (i = 0; i < 3; i++) {
155 #endif /* __linux__ */
159 #ifdef CONFIG_MATCH_IFACE
160 static int wpa_supplicant_init_match(struct wpa_global *global)
163 * The assumption is that the first driver is the primary driver and
164 * will handle the arrival / departure of interfaces.
166 if (wpa_drivers[0]->global_init && !global->drv_priv[0]) {
167 global->drv_priv[0] = wpa_drivers[0]->global_init(global);
168 if (!global->drv_priv[0]) {
169 wpa_printf(MSG_ERROR,
170 "Failed to initialize driver '%s'",
171 wpa_drivers[0]->name);
178 #endif /* CONFIG_MATCH_IFACE */
181 int main(int argc, char *argv[])
184 struct wpa_interface *ifaces, *iface;
185 int iface_count, exitcode = -1;
186 struct wpa_params params;
187 struct wpa_global *global;
189 if (os_program_init())
192 os_memset(¶ms, 0, sizeof(params));
193 params.wpa_debug_level = MSG_INFO;
195 iface = ifaces = os_zalloc(sizeof(struct wpa_interface));
200 wpa_supplicant_fd_workaround(1);
202 #ifdef CONFIG_DRIVER_NDIS
203 void driver_ndis_init_ops(void);
204 driver_ndis_init_ops();
205 #endif /* CONFIG_DRIVER_NDIS */
208 c = getopt(argc, argv,
209 "b:Bc:C:D:de:f:g:G:hi:I:KLMm:No:O:p:P:qsTtuvW");
214 iface->bridge_ifname = optarg;
220 iface->confname = optarg;
223 iface->ctrl_interface = optarg;
226 iface->driver = optarg;
229 #ifdef CONFIG_NO_STDOUT_DEBUG
230 printf("Debugging disabled with "
231 "CONFIG_NO_STDOUT_DEBUG=y build time "
234 #else /* CONFIG_NO_STDOUT_DEBUG */
235 params.wpa_debug_level--;
237 #endif /* CONFIG_NO_STDOUT_DEBUG */
239 params.entropy_file = optarg;
241 #ifdef CONFIG_DEBUG_FILE
243 params.wpa_debug_file_path = optarg;
245 #endif /* CONFIG_DEBUG_FILE */
247 params.ctrl_interface = optarg;
250 params.ctrl_interface_group = optarg;
257 iface->ifname = optarg;
260 iface->confanother = optarg;
263 params.wpa_debug_show_keys++;
271 params.conf_p2p_dev = optarg;
273 #endif /* CONFIG_P2P */
275 params.override_driver = optarg;
278 params.override_ctrl_interface = optarg;
281 iface->driver_param = optarg;
284 os_free(params.pid_file);
285 params.pid_file = os_rel2abs_path(optarg);
288 params.wpa_debug_level++;
290 #ifdef CONFIG_DEBUG_SYSLOG
292 params.wpa_debug_syslog++;
294 #endif /* CONFIG_DEBUG_SYSLOG */
295 #ifdef CONFIG_DEBUG_LINUX_TRACING
297 params.wpa_debug_tracing++;
299 #endif /* CONFIG_DEBUG_LINUX_TRACING */
301 params.wpa_debug_timestamp++;
303 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
305 params.dbus_ctrl_interface = 1;
307 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
309 printf("%s\n", wpa_supplicant_version);
313 params.wait_for_monitor++;
315 #ifdef CONFIG_MATCH_IFACE
317 params.match_iface_count++;
318 iface = os_realloc_array(params.match_ifaces,
319 params.match_iface_count,
320 sizeof(struct wpa_interface));
323 params.match_ifaces = iface;
324 iface = ¶ms.match_ifaces[params.match_iface_count -
326 os_memset(iface, 0, sizeof(*iface));
328 #endif /* CONFIG_MATCH_IFACE */
331 iface = os_realloc_array(ifaces, iface_count,
332 sizeof(struct wpa_interface));
336 iface = &ifaces[iface_count - 1];
337 os_memset(iface, 0, sizeof(*iface));
347 global = wpa_supplicant_init(¶ms);
348 if (global == NULL) {
349 wpa_printf(MSG_ERROR, "Failed to initialize wpa_supplicant");
353 wpa_printf(MSG_INFO, "Successfully initialized "
357 if (fst_global_init()) {
358 wpa_printf(MSG_ERROR, "Failed to initialize FST");
363 #if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE)
364 if (!fst_global_add_ctrl(fst_ctrl_cli))
365 wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl");
368 for (i = 0; exitcode == 0 && i < iface_count; i++) {
369 struct wpa_supplicant *wpa_s;
371 if ((ifaces[i].confname == NULL &&
372 ifaces[i].ctrl_interface == NULL) ||
373 ifaces[i].ifname == NULL) {
374 if (iface_count == 1 && (params.ctrl_interface ||
375 #ifdef CONFIG_MATCH_IFACE
376 params.match_iface_count ||
377 #endif /* CONFIG_MATCH_IFACE */
378 params.dbus_ctrl_interface))
384 wpa_s = wpa_supplicant_add_iface(global, &ifaces[i], NULL);
391 #ifdef CONFIG_MATCH_IFACE
393 exitcode = wpa_supplicant_init_match(global);
394 #endif /* CONFIG_MATCH_IFACE */
397 exitcode = wpa_supplicant_run(global);
399 wpa_supplicant_deinit(global);
404 wpa_supplicant_fd_workaround(0);
406 #ifdef CONFIG_MATCH_IFACE
407 os_free(params.match_ifaces);
408 #endif /* CONFIG_MATCH_IFACE */
409 os_free(params.pid_file);