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__ */
15 #include "wpa_supplicant_i.h"
17 #include "p2p_supplicant.h"
20 static void usage(void)
25 " wpa_supplicant [-BddhKLqq"
26 #ifdef CONFIG_DEBUG_SYSLOG
28 #endif /* CONFIG_DEBUG_SYSLOG */
32 #endif /* CONFIG_DBUS */
34 "[-g<global ctrl>] \\\n"
36 " -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] "
37 "[-p<driver_param>] \\\n"
38 " [-b<br_ifname>] [-e<entropy file>]"
39 #ifdef CONFIG_DEBUG_FILE
41 #endif /* CONFIG_DEBUG_FILE */
43 " [-o<override driver>] [-O<override ctrl>] \\\n"
44 " [-N -i<ifname> -c<conf> [-C<ctrl>] "
47 " [-m<P2P Device config file>] \\\n"
48 #endif /* CONFIG_P2P */
49 " [-p<driver_param>] [-b<br_ifname>] [-I<config file>] "
53 wpa_supplicant_version, wpa_supplicant_license);
55 for (i = 0; wpa_drivers[i]; i++) {
58 wpa_drivers[i]->desc);
61 #ifndef CONFIG_NO_STDOUT_DEBUG
63 " -b = optional bridge interface name\n"
64 " -B = run daemon in the background\n"
65 " -c = Configuration file\n"
66 " -C = ctrl_interface parameter (only used if -c is not)\n"
67 " -i = interface name\n"
68 " -I = additional configuration file\n"
69 " -d = increase debugging verbosity (-dd even more)\n"
70 " -D = driver name (can be multiple drivers: nl80211,wext)\n"
71 " -e = entropy file\n");
72 #ifdef CONFIG_DEBUG_FILE
73 printf(" -f = log output to debug file instead of stdout\n");
74 #endif /* CONFIG_DEBUG_FILE */
75 printf(" -g = global ctrl_interface\n"
76 " -G = global ctrl_interface group\n"
77 " -K = include keys (passwords, etc.) in debug output\n");
78 #ifdef CONFIG_DEBUG_SYSLOG
79 printf(" -s = log output to syslog instead of stdout\n");
80 #endif /* CONFIG_DEBUG_SYSLOG */
81 #ifdef CONFIG_DEBUG_LINUX_TRACING
82 printf(" -T = record to Linux tracing in addition to logging\n");
83 printf(" (records all messages regardless of debug verbosity)\n");
84 #endif /* CONFIG_DEBUG_LINUX_TRACING */
85 printf(" -t = include timestamp in debug messages\n"
86 " -h = show this help text\n"
87 " -L = show license (BSD)\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");
94 printf(" -u = enable DBus control interface\n");
95 #endif /* CONFIG_DBUS */
96 printf(" -v = show version\n"
97 " -W = wait for a control interface monitor before starting\n"
99 " -m = Configuration file for the P2P Device interface\n"
100 #endif /* CONFIG_P2P */
101 " -N = start describing new interface\n");
104 " wpa_supplicant -D%s -iwlan0 -c/etc/wpa_supplicant.conf\n",
105 wpa_drivers[0] ? wpa_drivers[0]->name : "nl80211");
106 #endif /* CONFIG_NO_STDOUT_DEBUG */
110 static void license(void)
112 #ifndef CONFIG_NO_STDOUT_DEBUG
113 printf("%s\n\n%s%s%s%s%s\n",
114 wpa_supplicant_version,
115 wpa_supplicant_full_license1,
116 wpa_supplicant_full_license2,
117 wpa_supplicant_full_license3,
118 wpa_supplicant_full_license4,
119 wpa_supplicant_full_license5);
120 #endif /* CONFIG_NO_STDOUT_DEBUG */
124 static void wpa_supplicant_fd_workaround(int start)
127 static int fd[3] = { -1, -1, -1 };
129 /* When started from pcmcia-cs scripts, wpa_supplicant might start with
130 * fd 0, 1, and 2 closed. This will cause some issues because many
131 * places in wpa_supplicant are still printing out to stdout. As a
132 * workaround, make sure that fd's 0, 1, and 2 are not used for other
135 for (i = 0; i < 3; i++) {
136 fd[i] = open("/dev/null", O_RDWR);
144 for (i = 0; i < 3; i++) {
151 #endif /* __linux__ */
155 int main(int argc, char *argv[])
158 struct wpa_interface *ifaces, *iface;
159 int iface_count, exitcode = -1;
160 struct wpa_params params;
161 struct wpa_global *global;
163 if (os_program_init())
166 os_memset(¶ms, 0, sizeof(params));
167 params.wpa_debug_level = MSG_INFO;
169 iface = ifaces = os_zalloc(sizeof(struct wpa_interface));
174 wpa_supplicant_fd_workaround(1);
177 c = getopt(argc, argv,
178 "b:Bc:C:D:de:f:g:G:hi:I:KLm:No:O:p:P:qsTtuvW");
183 iface->bridge_ifname = optarg;
189 iface->confname = optarg;
192 iface->ctrl_interface = optarg;
195 iface->driver = optarg;
198 #ifdef CONFIG_NO_STDOUT_DEBUG
199 printf("Debugging disabled with "
200 "CONFIG_NO_STDOUT_DEBUG=y build time "
203 #else /* CONFIG_NO_STDOUT_DEBUG */
204 params.wpa_debug_level--;
206 #endif /* CONFIG_NO_STDOUT_DEBUG */
208 params.entropy_file = optarg;
210 #ifdef CONFIG_DEBUG_FILE
212 params.wpa_debug_file_path = optarg;
214 #endif /* CONFIG_DEBUG_FILE */
216 params.ctrl_interface = optarg;
219 params.ctrl_interface_group = optarg;
226 iface->ifname = optarg;
229 iface->confanother = optarg;
232 params.wpa_debug_show_keys++;
240 iface->conf_p2p_dev = optarg;
242 #endif /* CONFIG_P2P */
244 params.override_driver = optarg;
247 params.override_ctrl_interface = optarg;
250 iface->driver_param = optarg;
253 os_free(params.pid_file);
254 params.pid_file = os_rel2abs_path(optarg);
257 params.wpa_debug_level++;
259 #ifdef CONFIG_DEBUG_SYSLOG
261 params.wpa_debug_syslog++;
263 #endif /* CONFIG_DEBUG_SYSLOG */
264 #ifdef CONFIG_DEBUG_LINUX_TRACING
266 params.wpa_debug_tracing++;
268 #endif /* CONFIG_DEBUG_LINUX_TRACING */
270 params.wpa_debug_timestamp++;
274 params.dbus_ctrl_interface = 1;
276 #endif /* CONFIG_DBUS */
278 printf("%s\n", wpa_supplicant_version);
282 params.wait_for_monitor++;
286 iface = os_realloc_array(ifaces, iface_count,
287 sizeof(struct wpa_interface));
291 iface = &ifaces[iface_count - 1];
292 os_memset(iface, 0, sizeof(*iface));
302 global = wpa_supplicant_init(¶ms);
303 if (global == NULL) {
304 wpa_printf(MSG_ERROR, "Failed to initialize wpa_supplicant");
308 wpa_printf(MSG_INFO, "Successfully initialized "
312 for (i = 0; exitcode == 0 && i < iface_count; i++) {
313 struct wpa_supplicant *wpa_s;
315 if ((ifaces[i].confname == NULL &&
316 ifaces[i].ctrl_interface == NULL) ||
317 ifaces[i].ifname == NULL) {
318 if (iface_count == 1 && (params.ctrl_interface ||
319 params.dbus_ctrl_interface))
325 wpa_s = wpa_supplicant_add_iface(global, &ifaces[i], NULL);
333 exitcode = wpa_supplicant_run(global);
335 wpa_supplicant_deinit(global);
338 wpa_supplicant_fd_workaround(0);
340 os_free(params.pid_file);