277 lines
6.8 KiB
C
277 lines
6.8 KiB
C
/*
|
|
* WPA Supplicant / main() function for UNIX like OSes and MinGW
|
|
* Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of BSD
|
|
* license.
|
|
*
|
|
* See README and COPYING for more details.
|
|
*/
|
|
|
|
#include "includes.h"
|
|
#ifdef __linux__
|
|
#include <fcntl.h>
|
|
#endif /* __linux__ */
|
|
|
|
#include "common.h"
|
|
#include "wpa_supplicant_i.h"
|
|
|
|
|
|
extern const char *wpa_supplicant_version;
|
|
extern const char *wpa_supplicant_license;
|
|
#ifndef CONFIG_NO_STDOUT_DEBUG
|
|
extern const char *wpa_supplicant_full_license1;
|
|
extern const char *wpa_supplicant_full_license2;
|
|
extern const char *wpa_supplicant_full_license3;
|
|
extern const char *wpa_supplicant_full_license4;
|
|
extern const char *wpa_supplicant_full_license5;
|
|
#endif /* CONFIG_NO_STDOUT_DEBUG */
|
|
|
|
extern struct wpa_driver_ops *wpa_supplicant_drivers[];
|
|
|
|
|
|
static void usage(void)
|
|
{
|
|
int i;
|
|
printf("%s\n\n%s\n"
|
|
"usage:\n"
|
|
" wpa_supplicant [-BddhKLqqtuvwW] [-P<pid file>] "
|
|
"[-g<global ctrl>] \\\n"
|
|
" -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] "
|
|
"[-p<driver_param>] \\\n"
|
|
" [-b<br_ifname>] [-f<debug file>] \\\n"
|
|
" [-N -i<ifname> -c<conf> [-C<ctrl>] "
|
|
"[-D<driver>] \\\n"
|
|
" [-p<driver_param>] [-b<br_ifname>] ...]\n"
|
|
"\n"
|
|
"drivers:\n",
|
|
wpa_supplicant_version, wpa_supplicant_license);
|
|
|
|
for (i = 0; wpa_supplicant_drivers[i]; i++) {
|
|
printf(" %s = %s\n",
|
|
wpa_supplicant_drivers[i]->name,
|
|
wpa_supplicant_drivers[i]->desc);
|
|
}
|
|
|
|
#ifndef CONFIG_NO_STDOUT_DEBUG
|
|
printf("options:\n"
|
|
" -b = optional bridge interface name\n"
|
|
" -B = run daemon in the background\n"
|
|
" -c = Configuration file\n"
|
|
" -C = ctrl_interface parameter (only used if -c is not)\n"
|
|
" -i = interface name\n"
|
|
" -d = increase debugging verbosity (-dd even more)\n"
|
|
" -D = driver name\n"
|
|
#ifdef CONFIG_DEBUG_FILE
|
|
" -f = log output to debug file instead of stdout\n"
|
|
#endif /* CONFIG_DEBUG_FILE */
|
|
" -g = global ctrl_interface\n"
|
|
" -K = include keys (passwords, etc.) in debug output\n"
|
|
" -t = include timestamp in debug messages\n"
|
|
" -h = show this help text\n"
|
|
" -L = show license (GPL and BSD)\n");
|
|
printf(" -p = driver parameters\n"
|
|
" -P = PID file\n"
|
|
" -q = decrease debugging verbosity (-qq even less)\n"
|
|
#ifdef CONFIG_CTRL_IFACE_DBUS
|
|
" -u = enable DBus control interface\n"
|
|
#endif /* CONFIG_CTRL_IFACE_DBUS */
|
|
" -v = show version\n"
|
|
" -W = wait for a control interface monitor before starting\n"
|
|
" -N = start describing new interface\n");
|
|
|
|
printf("example:\n"
|
|
" wpa_supplicant -Dwext -iwlan0 -c/etc/wpa_supplicant.conf\n");
|
|
#endif /* CONFIG_NO_STDOUT_DEBUG */
|
|
}
|
|
|
|
|
|
static void license(void)
|
|
{
|
|
#ifndef CONFIG_NO_STDOUT_DEBUG
|
|
printf("%s\n\n%s%s%s%s%s\n",
|
|
wpa_supplicant_version,
|
|
wpa_supplicant_full_license1,
|
|
wpa_supplicant_full_license2,
|
|
wpa_supplicant_full_license3,
|
|
wpa_supplicant_full_license4,
|
|
wpa_supplicant_full_license5);
|
|
#endif /* CONFIG_NO_STDOUT_DEBUG */
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_fd_workaround(void)
|
|
{
|
|
#ifdef __linux__
|
|
int s, i;
|
|
/* When started from pcmcia-cs scripts, wpa_supplicant might start with
|
|
* fd 0, 1, and 2 closed. This will cause some issues because many
|
|
* places in wpa_supplicant are still printing out to stdout. As a
|
|
* workaround, make sure that fd's 0, 1, and 2 are not used for other
|
|
* sockets. */
|
|
for (i = 0; i < 3; i++) {
|
|
s = open("/dev/null", O_RDWR);
|
|
if (s > 2) {
|
|
close(s);
|
|
break;
|
|
}
|
|
}
|
|
#endif /* __linux__ */
|
|
}
|
|
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int c, i;
|
|
struct wpa_interface *ifaces, *iface;
|
|
int iface_count, exitcode = -1;
|
|
struct wpa_params params;
|
|
struct wpa_global *global;
|
|
|
|
if (os_program_init())
|
|
return -1;
|
|
|
|
os_memset(¶ms, 0, sizeof(params));
|
|
params.wpa_debug_level = MSG_INFO;
|
|
|
|
iface = ifaces = os_zalloc(sizeof(struct wpa_interface));
|
|
if (ifaces == NULL)
|
|
return -1;
|
|
iface_count = 1;
|
|
|
|
wpa_supplicant_fd_workaround();
|
|
|
|
for (;;) {
|
|
c = getopt(argc, argv, "b:Bc:C:D:df:g:hi:KLNp:P:qtuvW");
|
|
if (c < 0)
|
|
break;
|
|
switch (c) {
|
|
case 'b':
|
|
iface->bridge_ifname = optarg;
|
|
break;
|
|
case 'B':
|
|
params.daemonize++;
|
|
break;
|
|
case 'c':
|
|
iface->confname = optarg;
|
|
break;
|
|
case 'C':
|
|
iface->ctrl_interface = optarg;
|
|
break;
|
|
case 'D':
|
|
iface->driver = optarg;
|
|
break;
|
|
case 'd':
|
|
#ifdef CONFIG_NO_STDOUT_DEBUG
|
|
printf("Debugging disabled with "
|
|
"CONFIG_NO_STDOUT_DEBUG=y build time "
|
|
"option.\n");
|
|
goto out;
|
|
#else /* CONFIG_NO_STDOUT_DEBUG */
|
|
params.wpa_debug_level--;
|
|
break;
|
|
#endif /* CONFIG_NO_STDOUT_DEBUG */
|
|
#ifdef CONFIG_DEBUG_FILE
|
|
case 'f':
|
|
params.wpa_debug_file_path = optarg;
|
|
break;
|
|
#endif /* CONFIG_DEBUG_FILE */
|
|
case 'g':
|
|
params.ctrl_interface = optarg;
|
|
break;
|
|
case 'h':
|
|
usage();
|
|
exitcode = 0;
|
|
goto out;
|
|
case 'i':
|
|
iface->ifname = optarg;
|
|
break;
|
|
case 'K':
|
|
params.wpa_debug_show_keys++;
|
|
break;
|
|
case 'L':
|
|
license();
|
|
exitcode = 0;
|
|
goto out;
|
|
case 'p':
|
|
iface->driver_param = optarg;
|
|
break;
|
|
case 'P':
|
|
os_free(params.pid_file);
|
|
params.pid_file = os_rel2abs_path(optarg);
|
|
break;
|
|
case 'q':
|
|
params.wpa_debug_level++;
|
|
break;
|
|
case 't':
|
|
params.wpa_debug_timestamp++;
|
|
break;
|
|
#ifdef CONFIG_CTRL_IFACE_DBUS
|
|
case 'u':
|
|
params.dbus_ctrl_interface = 1;
|
|
break;
|
|
#endif /* CONFIG_CTRL_IFACE_DBUS */
|
|
case 'v':
|
|
printf("%s\n", wpa_supplicant_version);
|
|
exitcode = 0;
|
|
goto out;
|
|
case 'W':
|
|
params.wait_for_monitor++;
|
|
break;
|
|
case 'N':
|
|
iface_count++;
|
|
iface = os_realloc(ifaces, iface_count *
|
|
sizeof(struct wpa_interface));
|
|
if (iface == NULL)
|
|
goto out;
|
|
ifaces = iface;
|
|
iface = &ifaces[iface_count - 1];
|
|
os_memset(iface, 0, sizeof(*iface));
|
|
break;
|
|
default:
|
|
usage();
|
|
exitcode = 0;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
exitcode = 0;
|
|
global = wpa_supplicant_init(¶ms);
|
|
if (global == NULL) {
|
|
wpa_printf(MSG_ERROR, "Failed to initialize wpa_supplicant");
|
|
exitcode = -1;
|
|
goto out;
|
|
}
|
|
|
|
for (i = 0; exitcode == 0 && i < iface_count; i++) {
|
|
if ((ifaces[i].confname == NULL &&
|
|
ifaces[i].ctrl_interface == NULL) ||
|
|
ifaces[i].ifname == NULL) {
|
|
if (iface_count == 1 && (params.ctrl_interface ||
|
|
params.dbus_ctrl_interface))
|
|
break;
|
|
usage();
|
|
exitcode = -1;
|
|
break;
|
|
}
|
|
if (wpa_supplicant_add_iface(global, &ifaces[i]) == NULL)
|
|
exitcode = -1;
|
|
}
|
|
|
|
if (exitcode == 0)
|
|
exitcode = wpa_supplicant_run(global);
|
|
|
|
wpa_supplicant_deinit(global);
|
|
|
|
out:
|
|
os_free(ifaces);
|
|
os_free(params.pid_file);
|
|
|
|
os_program_deinit();
|
|
|
|
return exitcode;
|
|
}
|