src/main.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2013  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <unistd.h>
  30 #include <string.h>
  31 #include <signal.h>
  32 #include <sys/signalfd.h>
  33 #include <getopt.h>
  34 #include <sys/stat.h>
  35 #include <net/if.h>
  36 #include <netdb.h>
  37
  38 #include <gdbus.h>
  39
  40 #include "connman.h"
  41
  42 #define DEFAULT_INPUT_REQUEST_TIMEOUT (120 * 1000)
  43 #define DEFAULT_BROWSER_LAUNCH_TIMEOUT (300 * 1000)
  44
  45 #define MAINFILE "main.conf"
  46 #define CONFIGMAINFILE CONFIGDIR "/" MAINFILE
  47
  48 static char *default_auto_connect[] = {
  49         "wifi",
  50         "ethernet",
  51         "cellular",
  52         NULL
  53 };
  54
  55 static char *default_blacklist[] = {
  56         "vmnet",
  57         "vboxnet",
  58         "virbr",
  59         "ifb",
  60         NULL
  61 };
  62
  63 static struct {
  64         bool bg_scan;
  65         char **pref_timeservers;
  66         unsigned int *auto_connect;
  67         unsigned int *preferred_techs;
  68         char **fallback_nameservers;
  69         unsigned int timeout_inputreq;
  70         unsigned int timeout_browserlaunch;
  71         char **blacklisted_interfaces;
  72         bool allow_hostname_updates;
  73         bool single_tech;
  74         char **tethering_technologies;
  75         bool persistent_tethering_mode;
  76 } connman_settings  = {
  77         .bg_scan = true,
  78         .pref_timeservers = NULL,
  79         .auto_connect = NULL,
  80         .preferred_techs = NULL,
  81         .fallback_nameservers = NULL,
  82         .timeout_inputreq = DEFAULT_INPUT_REQUEST_TIMEOUT,
  83         .timeout_browserlaunch = DEFAULT_BROWSER_LAUNCH_TIMEOUT,
  84         .blacklisted_interfaces = NULL,
  85         .allow_hostname_updates = true,
  86         .single_tech = false,
  87         .tethering_technologies = NULL,
  88         .persistent_tethering_mode = false,
  89 };
  90
  91 #define CONF_BG_SCAN                    "BackgroundScanning"
  92 #define CONF_PREF_TIMESERVERS           "FallbackTimeservers"
  93 #define CONF_AUTO_CONNECT               "DefaultAutoConnectTechnologies"
  94 #define CONF_PREFERRED_TECHS            "PreferredTechnologies"
  95 #define CONF_FALLBACK_NAMESERVERS       "FallbackNameservers"
  96 #define CONF_TIMEOUT_INPUTREQ           "InputRequestTimeout"
  97 #define CONF_TIMEOUT_BROWSERLAUNCH      "BrowserLaunchTimeout"
  98 #define CONF_BLACKLISTED_INTERFACES     "NetworkInterfaceBlacklist"
  99 #define CONF_ALLOW_HOSTNAME_UPDATES     "AllowHostnameUpdates"
 100 #define CONF_SINGLE_TECH                "SingleConnectedTechnology"
 101 #define CONF_TETHERING_TECHNOLOGIES      "TetheringTechnologies"
 102 #define CONF_PERSISTENT_TETHERING_MODE  "PersistentTetheringMode"
 103
 104 static const char *supported_options[] = {
 105         CONF_BG_SCAN,
 106         CONF_PREF_TIMESERVERS,
 107         CONF_AUTO_CONNECT,
 108         CONF_PREFERRED_TECHS,
 109         CONF_FALLBACK_NAMESERVERS,
 110         CONF_TIMEOUT_INPUTREQ,
 111         CONF_TIMEOUT_BROWSERLAUNCH,
 112         CONF_BLACKLISTED_INTERFACES,
 113         CONF_ALLOW_HOSTNAME_UPDATES,
 114         CONF_SINGLE_TECH,
 115         CONF_TETHERING_TECHNOLOGIES,
 116         CONF_PERSISTENT_TETHERING_MODE,
 117         NULL
 118 };
 119
 120 static GKeyFile *load_config(const char *file)
 121 {
 122         GError *err = NULL;
 123         GKeyFile *keyfile;
 124
 125         keyfile = g_key_file_new();
 126
 127         g_key_file_set_list_separator(keyfile, ',');
 128
 129         if (!g_key_file_load_from_file(keyfile, file, 0, &err)) {
 130                 if (err->code != G_FILE_ERROR_NOENT) {
 131                         connman_error("Parsing %s failed: %s", file,
 132                                                                 err->message);
 133                 }
 134
 135                 g_error_free(err);
 136                 g_key_file_free(keyfile);
 137                 return NULL;
 138         }
 139
 140         return keyfile;
 141 }
 142
 143 static uint *parse_service_types(char **str_list, gsize len)
 144 {
 145         unsigned int *type_list;
 146         int i, j;
 147         enum connman_service_type type;
 148
 149         type_list = g_try_new0(unsigned int, len + 1);
 150         if (!type_list)
 151                 return NULL;
 152
 153         i = 0;
 154         j = 0;
 155         while (str_list[i]) {
 156                 type = __connman_service_string2type(str_list[i]);
 157
 158                 if (type != CONNMAN_SERVICE_TYPE_UNKNOWN) {
 159                         type_list[j] = type;
 160                         j += 1;
 161                 }
 162                 i += 1;
 163         }
 164
 165         type_list[j] = CONNMAN_SERVICE_TYPE_UNKNOWN;
 166
 167         return type_list;
 168 }
 169
 170 static char **parse_fallback_nameservers(char **nameservers, gsize len)
 171 {
 172         char **servers;
 173         int i, j;
 174
 175         servers = g_try_new0(char *, len + 1);
 176         if (!servers)
 177                 return NULL;
 178
 179         i = 0;
 180         j = 0;
 181         while (nameservers[i]) {
 182                 if (connman_inet_check_ipaddress(nameservers[i]) > 0) {
 183                         servers[j] = g_strdup(nameservers[i]);
 184                         j += 1;
 185                 }
 186                 i += 1;
 187         }
 188
 189         return servers;
 190 }
 191
 192 static void check_config(GKeyFile *config)
 193 {
 194         char **keys;
 195         int j;
 196
 197         if (!config)
 198                 return;
 199
 200         keys = g_key_file_get_groups(config, NULL);
 201
 202         for (j = 0; keys && keys[j]; j++) {
 203                 if (g_strcmp0(keys[j], "General") != 0)
 204                         connman_warn("Unknown group %s in %s",
 205                                                 keys[j], MAINFILE);
 206         }
 207
 208         g_strfreev(keys);
 209
 210         keys = g_key_file_get_keys(config, "General", NULL, NULL);
 211
 212         for (j = 0; keys && keys[j]; j++) {
 213                 bool found;
 214                 int i;
 215
 216                 found = false;
 217                 for (i = 0; supported_options[i]; i++) {
 218                         if (g_strcmp0(keys[j], supported_options[i]) == 0) {
 219                                 found = true;
 220                                 break;
 221                         }
 222                 }
 223                 if (!found && !supported_options[i])
 224                         connman_warn("Unknown option %s in %s",
 225                                                 keys[j], MAINFILE);
 226         }
 227
 228         g_strfreev(keys);
 229 }
 230
 231 static void parse_config(GKeyFile *config)
 232 {
 233         GError *error = NULL;
 234         bool boolean;
 235         char **timeservers;
 236         char **interfaces;
 237         char **str_list;
 238         char **tethering;
 239         gsize len;
 240         int timeout;
 241
 242         if (!config) {
 243                 connman_settings.auto_connect =
 244                         parse_service_types(default_auto_connect, 3);
 245                 connman_settings.blacklisted_interfaces =
 246                         g_strdupv(default_blacklist);
 247                 return;
 248         }
 249
 250         DBG("parsing %s", MAINFILE);
 251
 252         boolean = g_key_file_get_boolean(config, "General",
 253                                                 CONF_BG_SCAN, &error);
 254         if (!error)
 255                 connman_settings.bg_scan = boolean;
 256
 257         g_clear_error(&error);
 258
 259         timeservers = __connman_config_get_string_list(config, "General",
 260                                         CONF_PREF_TIMESERVERS, NULL, &error);
 261         if (!error)
 262                 connman_settings.pref_timeservers = timeservers;
 263
 264         g_clear_error(&error);
 265
 266         str_list = __connman_config_get_string_list(config, "General",
 267                         CONF_AUTO_CONNECT, &len, &error);
 268
 269         if (!error)
 270                 connman_settings.auto_connect =
 271                         parse_service_types(str_list, len);
 272         else
 273                 connman_settings.auto_connect =
 274                         parse_service_types(default_auto_connect, 3);
 275
 276         g_strfreev(str_list);
 277
 278         g_clear_error(&error);
 279
 280         str_list = __connman_config_get_string_list(config, "General",
 281                         CONF_PREFERRED_TECHS, &len, &error);
 282
 283         if (!error)
 284                 connman_settings.preferred_techs =
 285                         parse_service_types(str_list, len);
 286
 287         g_strfreev(str_list);
 288
 289         g_clear_error(&error);
 290
 291         str_list = __connman_config_get_string_list(config, "General",
 292                         CONF_FALLBACK_NAMESERVERS, &len, &error);
 293
 294         if (!error)
 295                 connman_settings.fallback_nameservers =
 296                         parse_fallback_nameservers(str_list, len);
 297
 298         g_strfreev(str_list);
 299
 300         g_clear_error(&error);
 301
 302         timeout = g_key_file_get_integer(config, "General",
 303                         CONF_TIMEOUT_INPUTREQ, &error);
 304         if (!error && timeout >= 0)
 305                 connman_settings.timeout_inputreq = timeout * 1000;
 306
 307         g_clear_error(&error);
 308
 309         timeout = g_key_file_get_integer(config, "General",
 310                         CONF_TIMEOUT_BROWSERLAUNCH, &error);
 311         if (!error && timeout >= 0)
 312                 connman_settings.timeout_browserlaunch = timeout * 1000;
 313
 314         g_clear_error(&error);
 315
 316         interfaces = __connman_config_get_string_list(config, "General",
 317                         CONF_BLACKLISTED_INTERFACES, &len, &error);
 318
 319         if (!error)
 320                 connman_settings.blacklisted_interfaces = interfaces;
 321         else
 322                 connman_settings.blacklisted_interfaces =
 323                         g_strdupv(default_blacklist);
 324
 325         g_clear_error(&error);
 326
 327         boolean = __connman_config_get_bool(config, "General",
 328                                         CONF_ALLOW_HOSTNAME_UPDATES,
 329                                         &error);
 330         if (!error)
 331                 connman_settings.allow_hostname_updates = boolean;
 332
 333         g_clear_error(&error);
 334
 335         boolean = __connman_config_get_bool(config, "General",
 336                         CONF_SINGLE_TECH, &error);
 337         if (!error)
 338                 connman_settings.single_tech = boolean;
 339
 340         g_clear_error(&error);
 341
 342         tethering = __connman_config_get_string_list(config, "General",
 343                         CONF_TETHERING_TECHNOLOGIES, &len, &error);
 344
 345         if (!error)
 346                 connman_settings.tethering_technologies = tethering;
 347
 348         g_clear_error(&error);
 349
 350         boolean = __connman_config_get_bool(config, "General",
 351                                         CONF_PERSISTENT_TETHERING_MODE,
 352                                         &error);
 353         if (!error)
 354                 connman_settings.persistent_tethering_mode = boolean;
 355
 356         g_clear_error(&error);
 357 }
 358
 359 static int config_init(const char *file)
 360 {
 361         GKeyFile *config;
 362
 363         config = load_config(file);
 364         check_config(config);
 365         parse_config(config);
 366         if (config)
 367                 g_key_file_free(config);
 368
 369         return 0;
 370 }
 371
 372 static GMainLoop *main_loop = NULL;
 373
 374 static unsigned int __terminated = 0;
 375
 376 static gboolean signal_handler(GIOChannel *channel, GIOCondition cond,
 377                                                         gpointer user_data)
 378 {
 379         struct signalfd_siginfo si;
 380         ssize_t result;
 381         int fd;
 382
 383         if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP))
 384                 return FALSE;
 385
 386         fd = g_io_channel_unix_get_fd(channel);
 387
 388         result = read(fd, &si, sizeof(si));
 389         if (result != sizeof(si))
 390                 return FALSE;
 391
 392         switch (si.ssi_signo) {
 393         case SIGINT:
 394         case SIGTERM:
 395                 if (__terminated == 0) {
 396                         connman_info("Terminating");
 397                         g_main_loop_quit(main_loop);
 398                 }
 399
 400                 __terminated = 1;
 401                 break;
 402         }
 403
 404         return TRUE;
 405 }
 406
 407 static guint setup_signalfd(void)
 408 {
 409         GIOChannel *channel;
 410         guint source;
 411         sigset_t mask;
 412         int fd;
 413
 414         sigemptyset(&mask);
 415         sigaddset(&mask, SIGINT);
 416         sigaddset(&mask, SIGTERM);
 417
 418         if (sigprocmask(SIG_BLOCK, &mask, NULL) < 0) {
 419                 perror("Failed to set signal mask");
 420                 return 0;
 421         }
 422
 423         fd = signalfd(-1, &mask, 0);
 424         if (fd < 0) {
 425                 perror("Failed to create signal descriptor");
 426                 return 0;
 427         }
 428
 429         channel = g_io_channel_unix_new(fd);
 430
 431         g_io_channel_set_close_on_unref(channel, TRUE);
 432         g_io_channel_set_encoding(channel, NULL, NULL);
 433         g_io_channel_set_buffered(channel, FALSE);
 434
 435         source = g_io_add_watch(channel,
 436                                 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
 437                                 signal_handler, NULL);
 438
 439         g_io_channel_unref(channel);
 440
 441         return source;
 442 }
 443
 444 static void disconnect_callback(DBusConnection *conn, void *user_data)
 445 {
 446         connman_error("D-Bus disconnect");
 447
 448         g_main_loop_quit(main_loop);
 449 }
 450
 451 static gchar *option_config = NULL;
 452 static gchar *option_debug = NULL;
 453 static gchar *option_device = NULL;
 454 static gchar *option_plugin = NULL;
 455 static gchar *option_nodevice = NULL;
 456 static gchar *option_noplugin = NULL;
 457 static gchar *option_wifi = NULL;
 458 static gboolean option_detach = TRUE;
 459 static gboolean option_dnsproxy = TRUE;
 460 static gboolean option_backtrace = TRUE;
 461 static gboolean option_version = FALSE;
 462
 463 static bool parse_debug(const char *key, const char *value,
 464                                         gpointer user_data, GError **error)
 465 {
 466         if (value)
 467                 option_debug = g_strdup(value);
 468         else
 469                 option_debug = g_strdup("*");
 470
 471         return true;
 472 }
 473
 474 static GOptionEntry options[] = {
 475         { "config", 'c', 0, G_OPTION_ARG_STRING, &option_config,
 476                                 "Load the specified configuration file "
 477                                 "instead of " CONFIGMAINFILE, "FILE" },
 478         { "debug", 'd', G_OPTION_FLAG_OPTIONAL_ARG,
 479                                 G_OPTION_ARG_CALLBACK, parse_debug,
 480                                 "Specify debug options to enable", "DEBUG" },
 481         { "device", 'i', 0, G_OPTION_ARG_STRING, &option_device,
 482                         "Specify networking device or interface", "DEV" },
 483         { "nodevice", 'I', 0, G_OPTION_ARG_STRING, &option_nodevice,
 484                         "Specify networking interface to ignore", "DEV" },
 485         { "plugin", 'p', 0, G_OPTION_ARG_STRING, &option_plugin,
 486                                 "Specify plugins to load", "NAME,..." },
 487         { "noplugin", 'P', 0, G_OPTION_ARG_STRING, &option_noplugin,
 488                                 "Specify plugins not to load", "NAME,..." },
 489         { "wifi", 'W', 0, G_OPTION_ARG_STRING, &option_wifi,
 490                                 "Specify driver for WiFi/Supplicant", "NAME" },
 491         { "nodaemon", 'n', G_OPTION_FLAG_REVERSE,
 492                                 G_OPTION_ARG_NONE, &option_detach,
 493                                 "Don't fork daemon to background" },
 494         { "nodnsproxy", 'r', G_OPTION_FLAG_REVERSE,
 495                                 G_OPTION_ARG_NONE, &option_dnsproxy,
 496                                 "Don't enable DNS Proxy" },
 497         { "nobacktrace", 0, G_OPTION_FLAG_REVERSE,
 498                                 G_OPTION_ARG_NONE, &option_backtrace,
 499                                 "Don't print out backtrace information" },
 500         { "version", 'v', 0, G_OPTION_ARG_NONE, &option_version,
 501                                 "Show version information and exit" },
 502         { NULL },
 503 };
 504
 505 const char *connman_option_get_string(const char *key)
 506 {
 507         if (g_strcmp0(key, "wifi") == 0) {
 508                 if (!option_wifi)
 509                         return "nl80211,wext";
 510                 else
 511                         return option_wifi;
 512         }
 513
 514         return NULL;
 515 }
 516
 517 bool connman_setting_get_bool(const char *key)
 518 {
 519         if (g_str_equal(key, CONF_BG_SCAN))
 520                 return connman_settings.bg_scan;
 521
 522         if (g_str_equal(key, CONF_ALLOW_HOSTNAME_UPDATES))
 523                 return connman_settings.allow_hostname_updates;
 524
 525         if (g_str_equal(key, CONF_SINGLE_TECH))
 526                 return connman_settings.single_tech;
 527
 528         if (g_str_equal(key, CONF_PERSISTENT_TETHERING_MODE))
 529                 return connman_settings.persistent_tethering_mode;
 530
 531         return false;
 532 }
 533
 534 char **connman_setting_get_string_list(const char *key)
 535 {
 536         if (g_str_equal(key, CONF_PREF_TIMESERVERS))
 537                 return connman_settings.pref_timeservers;
 538
 539         if (g_str_equal(key, CONF_FALLBACK_NAMESERVERS))
 540                 return connman_settings.fallback_nameservers;
 541
 542         if (g_str_equal(key, CONF_BLACKLISTED_INTERFACES))
 543                 return connman_settings.blacklisted_interfaces;
 544
 545         if (g_str_equal(key, CONF_TETHERING_TECHNOLOGIES))
 546                 return connman_settings.tethering_technologies;
 547
 548         return NULL;
 549 }
 550
 551 unsigned int *connman_setting_get_uint_list(const char *key)
 552 {
 553         if (g_str_equal(key, CONF_AUTO_CONNECT))
 554                 return connman_settings.auto_connect;
 555
 556         if (g_str_equal(key, CONF_PREFERRED_TECHS))
 557                 return connman_settings.preferred_techs;
 558
 559         return NULL;
 560 }
 561
 562 unsigned int connman_timeout_input_request(void)
 563 {
 564         return connman_settings.timeout_inputreq;
 565 }
 566
 567 unsigned int connman_timeout_browser_launch(void)
 568 {
 569         return connman_settings.timeout_browserlaunch;
 570 }
 571
 572 int main(int argc, char *argv[])
 573 {
 574         GOptionContext *context;
 575         GError *error = NULL;
 576         DBusConnection *conn;
 577         DBusError err;
 578         guint signal;
 579
 580         context = g_option_context_new(NULL);
 581         g_option_context_add_main_entries(context, options, NULL);
 582
 583         if (!g_option_context_parse(context, &argc, &argv, &error)) {
 584                 if (error) {
 585                         g_printerr("%s\n", error->message);
 586                         g_error_free(error);
 587                 } else
 588                         g_printerr("An unknown error occurred\n");
 589                 exit(1);
 590         }
 591
 592         g_option_context_free(context);
 593
 594         if (option_version) {
 595                 printf("%s\n", VERSION);
 596                 exit(0);
 597         }
 598
 599         if (option_detach) {
 600                 if (daemon(0, 0)) {
 601                         perror("Can't start daemon");
 602                         exit(1);
 603                 }
 604         }
 605
 606         if (mkdir(STORAGEDIR, S_IRUSR | S_IWUSR | S_IXUSR |
 607                                 S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) < 0) {
 608                 if (errno != EEXIST)
 609                         perror("Failed to create storage directory");
 610         }
 611
 612         umask(0077);
 613
 614         main_loop = g_main_loop_new(NULL, FALSE);
 615
 616         signal = setup_signalfd();
 617
 618         dbus_error_init(&err);
 619
 620         conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, CONNMAN_SERVICE, &err);
 621         if (!conn) {
 622                 if (dbus_error_is_set(&err)) {
 623                         fprintf(stderr, "%s\n", err.message);
 624                         dbus_error_free(&err);
 625                 } else
 626                         fprintf(stderr, "Can't register with system bus\n");
 627                 exit(1);
 628         }
 629
 630         g_dbus_set_disconnect_function(conn, disconnect_callback, NULL, NULL);
 631
 632         __connman_log_init(argv[0], option_debug, option_detach,
 633                         option_backtrace, "Connection Manager", VERSION);
 634
 635         __connman_dbus_init(conn);
 636
 637         if (!option_config)
 638                 config_init(CONFIGMAINFILE);
 639         else
 640                 config_init(option_config);
 641
 642         __connman_util_init();
 643         __connman_inotify_init();
 644         __connman_technology_init();
 645         __connman_notifier_init();
 646         __connman_agent_init();
 647         __connman_service_init();
 648         __connman_peer_service_init();
 649         __connman_peer_init();
 650         __connman_provider_init();
 651         __connman_network_init();
 652         __connman_config_init();
 653         __connman_device_init(option_device, option_nodevice);
 654
 655         __connman_ippool_init();
 656         __connman_iptables_init();
 657         __connman_firewall_init();
 658         __connman_nat_init();
 659         __connman_tethering_init();
 660         __connman_counter_init();
 661         __connman_manager_init();
 662         __connman_stats_init();
 663         __connman_clock_init();
 664
 665         __connman_resolver_init(option_dnsproxy);
 666         __connman_ipconfig_init();
 667         __connman_rtnl_init();
 668         __connman_task_init();
 669         __connman_proxy_init();
 670         __connman_detect_init();
 671         __connman_session_init();
 672         __connman_timeserver_init();
 673         __connman_connection_init();
 674
 675         __connman_plugin_init(option_plugin, option_noplugin);
 676
 677         __connman_rtnl_start();
 678         __connman_dhcp_init();
 679         __connman_dhcpv6_init();
 680         __connman_wpad_init();
 681         __connman_wispr_init();
 682         __connman_rfkill_init();
 683         __connman_machine_init();
 684
 685         g_free(option_config);
 686         g_free(option_device);
 687         g_free(option_plugin);
 688         g_free(option_nodevice);
 689         g_free(option_noplugin);
 690
 691         g_main_loop_run(main_loop);
 692
 693         g_source_remove(signal);
 694
 695         __connman_machine_cleanup();
 696         __connman_rfkill_cleanup();
 697         __connman_wispr_cleanup();
 698         __connman_wpad_cleanup();
 699         __connman_dhcpv6_cleanup();
 700         __connman_session_cleanup();
 701         __connman_plugin_cleanup();
 702         __connman_provider_cleanup();
 703         __connman_connection_cleanup();
 704         __connman_timeserver_cleanup();
 705         __connman_detect_cleanup();
 706         __connman_proxy_cleanup();
 707         __connman_task_cleanup();
 708         __connman_rtnl_cleanup();
 709         __connman_resolver_cleanup();
 710
 711         __connman_clock_cleanup();
 712         __connman_stats_cleanup();
 713         __connman_config_cleanup();
 714         __connman_manager_cleanup();
 715         __connman_counter_cleanup();
 716         __connman_tethering_cleanup();
 717         __connman_nat_cleanup();
 718         __connman_firewall_cleanup();
 719         __connman_iptables_cleanup();
 720         __connman_peer_service_cleanup();
 721         __connman_peer_cleanup();
 722         __connman_ippool_cleanup();
 723         __connman_device_cleanup();
 724         __connman_network_cleanup();
 725         __connman_dhcp_cleanup();
 726         __connman_service_cleanup();
 727         __connman_agent_cleanup();
 728         __connman_ipconfig_cleanup();
 729         __connman_notifier_cleanup();
 730         __connman_technology_cleanup();
 731         __connman_inotify_cleanup();
 732
 733         __connman_util_cleanup();
 734         __connman_dbus_cleanup();
 735
 736         __connman_log_cleanup(option_backtrace);
 737
 738         dbus_connection_unref(conn);
 739
 740         g_main_loop_unref(main_loop);
 741
 742         if (connman_settings.pref_timeservers)
 743                 g_strfreev(connman_settings.pref_timeservers);
 744
 745         g_free(connman_settings.auto_connect);
 746         g_free(connman_settings.preferred_techs);
 747         g_strfreev(connman_settings.fallback_nameservers);
 748         g_strfreev(connman_settings.blacklisted_interfaces);
 749         g_strfreev(connman_settings.tethering_technologies);
 750
 751         g_free(option_debug);
 752         g_free(option_wifi);
 753
 754         return 0;
 755 }