260 lines
5.4 KiB
C
260 lines
5.4 KiB
C
/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2013-2014 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include <ell/ell.h>
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#include "linux/nl80211.h"
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#include "src/iwd.h"
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#include "src/netdev.h"
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#include "src/device.h"
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#include "src/wiphy.h"
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#include "src/dbus.h"
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#include "src/network.h"
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#include "src/eapol.h"
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#include "src/scan.h"
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#include "src/wsc.h"
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#include "src/knownnetworks.h"
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#include "src/rfkill.h"
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#include "src/backtrace.h"
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static struct l_timeout *timeout = NULL;
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static const char *interfaces;
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static const char *nointerfaces;
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static void main_loop_quit(struct l_timeout *timeout, void *user_data)
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{
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l_main_quit();
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}
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static void signal_handler(struct l_signal *signal, uint32_t signo,
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void *user_data)
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{
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switch (signo) {
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case SIGINT:
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case SIGTERM:
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l_info("Terminate");
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dbus_shutdown();
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netdev_shutdown();
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timeout = l_timeout_create(1, main_loop_quit, NULL, NULL);
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break;
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}
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}
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static void usage(void)
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{
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printf("iwd - Wireless daemon\n"
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"Usage:\n");
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printf("\tiwd [options]\n");
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printf("Options:\n"
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"\t-B, --dbus-debug Enable DBus debugging\n"
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"\t-K, --kdbus Setup Kernel D-Bus\n"
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"\t-i, --interfaces Interfaces to manage\n"
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"\t-I, --nointerfaces Interfaces to ignore\n"
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"\t-h, --help Show help options\n");
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}
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static const struct option main_options[] = {
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{ "kdbus", no_argument, NULL, 'K' },
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{ "dbus-debug", no_argument, NULL, 'B' },
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{ "version", no_argument, NULL, 'v' },
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{ "interfaces", required_argument, NULL, 'i' },
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{ "nointerfaces", required_argument, NULL, 'I' },
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{ "help", no_argument, NULL, 'h' },
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{ }
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};
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static void do_debug(const char *str, void *user_data)
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{
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const char *prefix = user_data;
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l_info("%s%s", prefix, str);
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}
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static void nl80211_appeared(void *user_data)
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{
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struct l_genl_family *nl80211 = user_data;
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l_debug("Found nl80211 interface");
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if (!wiphy_init(nl80211))
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l_error("Unable to init wiphy functionality");
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if (!netdev_init(nl80211, interfaces, nointerfaces))
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l_error("Unable to init netdev functionality");
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if (!scan_init(nl80211))
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l_error("Unable to init scan functionality");
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if (!wsc_init(nl80211))
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l_error("Unable to init WSC functionality");
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}
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static void nl80211_vanished(void *user_data)
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{
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l_debug("Lost nl80211 interface");
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wsc_exit();
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scan_exit();
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netdev_exit();
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wiphy_exit();
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}
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int main(int argc, char *argv[])
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{
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bool enable_kdbus = false;
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bool enable_dbus_debug = false;
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struct l_signal *signal;
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sigset_t mask;
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int exit_status;
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struct l_genl *genl;
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struct l_genl_family *nl80211;
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for (;;) {
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int opt;
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opt = getopt_long(argc, argv, "KBi:I:vh", main_options, NULL);
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if (opt < 0)
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break;
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switch (opt) {
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case 'K':
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enable_kdbus = true;
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break;
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case 'B':
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enable_dbus_debug = true;
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break;
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case 'i':
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interfaces = optarg;
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break;
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case 'I':
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nointerfaces = optarg;
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break;
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case 'v':
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printf("%s\n", VERSION);
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return EXIT_SUCCESS;
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case 'h':
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usage();
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return EXIT_SUCCESS;
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default:
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return EXIT_FAILURE;
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}
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}
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if (argc - optind > 0) {
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fprintf(stderr, "Invalid command line parameters\n");
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return EXIT_FAILURE;
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}
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if (!l_main_init())
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return EXIT_FAILURE;
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sigemptyset(&mask);
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sigaddset(&mask, SIGINT);
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sigaddset(&mask, SIGTERM);
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signal = l_signal_create(&mask, signal_handler, NULL, NULL);
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l_log_set_stderr();
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l_debug_enable("*");
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#ifdef __GLIBC__
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__iwd_backtrace_init(argv[0]);
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#endif
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l_info("Wireless daemon version %s", VERSION);
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if (!dbus_init(enable_dbus_debug, enable_kdbus)) {
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exit_status = EXIT_FAILURE;
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goto done;
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}
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genl = l_genl_new_default();
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if (!genl) {
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l_error("Failed to open generic netlink socket");
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exit_status = EXIT_FAILURE;
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goto fail_genl;
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}
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if (getenv("IWD_GENL_DEBUG"))
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l_genl_set_debug(genl, do_debug, "[GENL] ", NULL);
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if (!device_init()) {
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exit_status = EXIT_FAILURE;
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goto fail_device;
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}
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l_debug("Opening nl80211 interface");
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nl80211 = l_genl_family_new(genl, NL80211_GENL_NAME);
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if (!nl80211) {
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l_error("Failed to open nl80211 interface");
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exit_status = EXIT_FAILURE;
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goto fail_nl80211;
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}
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l_genl_family_set_watches(nl80211, nl80211_appeared, nl80211_vanished,
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nl80211, NULL);
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eapol_init();
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network_init();
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known_networks_init();
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rfkill_init();
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exit_status = EXIT_SUCCESS;
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l_main_run();
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rfkill_exit();
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known_networks_exit();
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network_exit();
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eapol_exit();
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l_genl_family_unref(nl80211);
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fail_nl80211:
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device_exit();
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fail_device:
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l_genl_unref(genl);
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fail_genl:
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dbus_exit();
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done:
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l_signal_remove(signal);
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l_timeout_remove(timeout);
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l_main_exit();
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return exit_status;
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}
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