wpa_supplicant: Initial Revision 0.8.X
Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date: Thu Apr 21 20:41:01 2011 +0300
Enable CONFIG_DRIVER_NL80211=y in the default configuration
nl80211 should be preferred over WEXT with any recent Linux
kernel version.
Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/main.c b/wpa_supplicant/main.c
new file mode 100644
index 0000000..c0aa59c
--- /dev/null
+++ b/wpa_supplicant/main.c
@@ -0,0 +1,285 @@
+/*
+ * 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"
+#include "driver_i.h"
+
+extern struct wpa_driver_ops *wpa_drivers[];
+
+
+static void usage(void)
+{
+ int i;
+ printf("%s\n\n%s\n"
+ "usage:\n"
+ " wpa_supplicant [-BddhKLqqstuvW] [-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"
+ " [-o<override driver>] [-O<override ctrl>] \\\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_drivers[i]; i++) {
+ printf(" %s = %s\n",
+ wpa_drivers[i]->name,
+ wpa_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 (can be multiple drivers: nl80211,wext)\n");
+#ifdef CONFIG_DEBUG_FILE
+ printf(" -f = log output to debug file instead of stdout\n");
+#endif /* CONFIG_DEBUG_FILE */
+ printf(" -g = global ctrl_interface\n"
+ " -K = include keys (passwords, etc.) in debug output\n");
+#ifdef CONFIG_DEBUG_SYSLOG
+ printf(" -s = log output to syslog instead of stdout\n");
+#endif /* CONFIG_DEBUG_SYSLOG */
+ printf(" -t = include timestamp in debug messages\n"
+ " -h = show this help text\n"
+ " -L = show license (GPL and BSD)\n"
+ " -o = override driver parameter for new interfaces\n"
+ " -O = override ctrl_interface parameter for new interfaces\n"
+ " -p = driver parameters\n"
+ " -P = PID file\n"
+ " -q = decrease debugging verbosity (-qq even less)\n");
+#ifdef CONFIG_DBUS
+ printf(" -u = enable DBus control interface\n");
+#endif /* CONFIG_DBUS */
+ printf(" -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 -D%s -iwlan0 -c/etc/wpa_supplicant.conf\n",
+ wpa_drivers[i] ? wpa_drivers[i]->name : "wext");
+#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:KLNo:O:p:P:qstuvW");
+ 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 'o':
+ params.override_driver = optarg;
+ break;
+ case 'O':
+ params.override_ctrl_interface = optarg;
+ break;
+ 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;
+#ifdef CONFIG_DEBUG_SYSLOG
+ case 's':
+ params.wpa_debug_syslog++;
+ break;
+#endif /* CONFIG_DEBUG_SYSLOG */
+ case 't':
+ params.wpa_debug_timestamp++;
+ break;
+#ifdef CONFIG_DBUS
+ case 'u':
+ params.dbus_ctrl_interface = 1;
+ break;
+#endif /* CONFIG_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;
+}