src/main.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2012  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         NULL
  60 };
  61
  62 static struct {
  63         connman_bool_t bg_scan;
  64         char **pref_timeservers;
  65         unsigned int *auto_connect;
  66         unsigned int *preferred_techs;
  67         char **fallback_nameservers;
  68         unsigned int timeout_inputreq;
  69         unsigned int timeout_browserlaunch;
  70         char **blacklisted_interfaces;
  71         connman_bool_t allow_hostname_updates;
  72         connman_bool_t single_tech;
  73 } connman_settings  = {
  74         .bg_scan = TRUE,
  75         .pref_timeservers = NULL,
  76         .auto_connect = NULL,
  77         .preferred_techs = NULL,
  78         .fallback_nameservers = NULL,
  79         .timeout_inputreq = DEFAULT_INPUT_REQUEST_TIMEOUT,
  80         .timeout_browserlaunch = DEFAULT_BROWSER_LAUNCH_TIMEOUT,
  81         .blacklisted_interfaces = NULL,
  82         .allow_hostname_updates = TRUE,
  83         .single_tech = FALSE,
  84 };
  85
  86 #define CONF_BG_SCAN                    "BackgroundScanning"
  87 #define CONF_PREF_TIMESERVERS           "FallbackTimeservers"
  88 #define CONF_AUTO_CONNECT               "DefaultAutoConnectTechnologies"
  89 #define CONF_PREFERRED_TECHS            "PreferredTechnologies"
  90 #define CONF_FALLBACK_NAMESERVERS       "FallbackNameservers"
  91 #define CONF_TIMEOUT_INPUTREQ           "InputRequestTimeout"
  92 #define CONF_TIMEOUT_BROWSERLAUNCH      "BrowserLaunchTimeout"
  93 #define CONF_BLACKLISTED_INTERFACES     "NetworkInterfaceBlacklist"
  94 #define CONF_ALLOW_HOSTNAME_UPDATES     "AllowHostnameUpdates"
  95 #define CONF_SINGLE_TECH                "SingleConnectedTechnology"
  96
  97 static const char *supported_options[] = {
  98         CONF_BG_SCAN,
  99         CONF_PREF_TIMESERVERS,
 100         CONF_AUTO_CONNECT,
 101         CONF_PREFERRED_TECHS,
 102         CONF_FALLBACK_NAMESERVERS,
 103         CONF_TIMEOUT_INPUTREQ,
 104         CONF_TIMEOUT_BROWSERLAUNCH,
 105         CONF_BLACKLISTED_INTERFACES,
 106         CONF_ALLOW_HOSTNAME_UPDATES,
 107         CONF_SINGLE_TECH,
 108         NULL
 109 };
 110
 111 static GKeyFile *load_config(const char *file)
 112 {
 113         GError *err = NULL;
 114         GKeyFile *keyfile;
 115
 116         keyfile = g_key_file_new();
 117
 118         g_key_file_set_list_separator(keyfile, ',');
 119
 120         if (!g_key_file_load_from_file(keyfile, file, 0, &err)) {
 121                 if (err->code != G_FILE_ERROR_NOENT) {
 122                         connman_error("Parsing %s failed: %s", file,
 123                                                                 err->message);
 124                 }
 125
 126                 g_error_free(err);
 127                 g_key_file_free(keyfile);
 128                 return NULL;
 129         }
 130
 131         return keyfile;
 132 }
 133
 134 static uint *parse_service_types(char **str_list, gsize len)
 135 {
 136         unsigned int *type_list;
 137         int i, j;
 138         enum connman_service_type type;
 139
 140         type_list = g_try_new0(unsigned int, len + 1);
 141         if (type_list == NULL)
 142                 return NULL;
 143
 144         i = 0;
 145         j = 0;
 146         while (str_list[i] != NULL)
 147         {
 148                 type = __connman_service_string2type(str_list[i]);
 149
 150                 if (type != CONNMAN_SERVICE_TYPE_UNKNOWN) {
 151                         type_list[j] = type;
 152                         j += 1;
 153                 }
 154                 i += 1;
 155         }
 156
 157         return type_list;
 158 }
 159
 160 static char **parse_fallback_nameservers(char **nameservers, gsize len)
 161 {
 162         char **servers;
 163         int i, j;
 164
 165         servers = g_try_new0(char *, len + 1);
 166         if (servers == NULL)
 167                 return NULL;
 168
 169         i = 0;
 170         j = 0;
 171         while (nameservers[i] != NULL) {
 172                 if (connman_inet_check_ipaddress(nameservers[i]) > 0) {
 173                         servers[j] = g_strdup(nameservers[i]);
 174                         j += 1;
 175                 }
 176                 i += 1;
 177         }
 178
 179         return servers;
 180 }
 181
 182 static void check_config(GKeyFile *config)
 183 {
 184         char **keys;
 185         int j;
 186
 187         if (config == NULL)
 188                 return;
 189
 190         keys = g_key_file_get_groups(config, NULL);
 191
 192         for (j = 0; keys != NULL && keys[j] != NULL; j++) {
 193                 if (g_strcmp0(keys[j], "General") != 0)
 194                         connman_warn("Unknown group %s in %s",
 195                                                 keys[j], MAINFILE);
 196         }
 197
 198         g_strfreev(keys);
 199
 200         keys = g_key_file_get_keys(config, "General", NULL, NULL);
 201
 202         for (j = 0; keys != NULL && keys[j] != NULL; j++) {
 203                 connman_bool_t found;
 204                 int i;
 205
 206                 found = FALSE;
 207                 for (i = 0; supported_options[i] != NULL; i++) {
 208                         if (g_strcmp0(keys[j], supported_options[i]) == 0) {
 209                                 found = TRUE;
 210                                 break;
 211                         }
 212                 }
 213                 if (found == FALSE && supported_options[i] == NULL)
 214                         connman_warn("Unknown option %s in %s",
 215                                                 keys[j], MAINFILE);
 216         }
 217
 218         g_strfreev(keys);
 219 }
 220
 221 static void parse_config(GKeyFile *config)
 222 {
 223         GError *error = NULL;
 224         gboolean boolean;
 225         char **timeservers;
 226         char **interfaces;
 227         char **str_list;
 228         gsize len;
 229         int timeout;
 230
 231         if (config == NULL) {
 232                 connman_settings.auto_connect =
 233                         parse_service_types(default_auto_connect, 3);
 234                 connman_settings.blacklisted_interfaces =
 235                         g_strdupv(default_blacklist);
 236                 return;
 237         }
 238
 239         DBG("parsing %s", MAINFILE);
 240
 241         boolean = g_key_file_get_boolean(config, "General",
 242                                                 CONF_BG_SCAN, &error);
 243         if (error == NULL)
 244                 connman_settings.bg_scan = boolean;
 245
 246         g_clear_error(&error);
 247
 248         timeservers = g_key_file_get_string_list(config, "General",
 249                                         CONF_PREF_TIMESERVERS, NULL, &error);
 250         if (error == NULL)
 251                 connman_settings.pref_timeservers = timeservers;
 252
 253         g_clear_error(&error);
 254
 255         str_list = g_key_file_get_string_list(config, "General",
 256                         CONF_AUTO_CONNECT, &len, &error);
 257
 258         if (error == NULL)
 259                 connman_settings.auto_connect =
 260                         parse_service_types(str_list, len);
 261         else
 262                 connman_settings.auto_connect =
 263                         parse_service_types(default_auto_connect, 3);
 264
 265         g_strfreev(str_list);
 266
 267         g_clear_error(&error);
 268
 269         str_list = g_key_file_get_string_list(config, "General",
 270                         CONF_PREFERRED_TECHS, &len, &error);
 271
 272         if (error == NULL)
 273                 connman_settings.preferred_techs =
 274                         parse_service_types(str_list, len);
 275
 276         g_strfreev(str_list);
 277
 278         g_clear_error(&error);
 279
 280         str_list = g_key_file_get_string_list(config, "General",
 281                         CONF_FALLBACK_NAMESERVERS, &len, &error);
 282
 283         if (error == NULL)
 284                 connman_settings.fallback_nameservers =
 285                         parse_fallback_nameservers(str_list, len);
 286
 287         g_strfreev(str_list);
 288
 289         g_clear_error(&error);
 290
 291         timeout = g_key_file_get_integer(config, "General",
 292                         CONF_TIMEOUT_INPUTREQ, &error);
 293         if (error == NULL && timeout >= 0)
 294                 connman_settings.timeout_inputreq = timeout * 1000;
 295
 296         g_clear_error(&error);
 297
 298         timeout = g_key_file_get_integer(config, "General",
 299                         CONF_TIMEOUT_BROWSERLAUNCH, &error);
 300         if (error == NULL && timeout >= 0)
 301                 connman_settings.timeout_browserlaunch = timeout * 1000;
 302
 303         g_clear_error(&error);
 304
 305         interfaces = g_key_file_get_string_list(config, "General",
 306                         CONF_BLACKLISTED_INTERFACES, &len, &error);
 307
 308         if (error == NULL)
 309                 connman_settings.blacklisted_interfaces = interfaces;
 310         else
 311                 connman_settings.blacklisted_interfaces =
 312                         g_strdupv(default_blacklist);
 313
 314         g_clear_error(&error);
 315
 316         boolean = g_key_file_get_boolean(config, "General",
 317                                         CONF_ALLOW_HOSTNAME_UPDATES,
 318                                         &error);
 319         if (error == NULL)
 320                 connman_settings.allow_hostname_updates = boolean;
 321
 322         g_clear_error(&error);
 323
 324         boolean = g_key_file_get_boolean(config, "General",
 325                         CONF_SINGLE_TECH, &error);
 326         if (error == NULL)
 327                 connman_settings.single_tech = boolean;
 328
 329         g_clear_error(&error);
 330 }
 331
 332 static int config_init(const char *file)
 333 {
 334         GKeyFile *config;
 335
 336         config = load_config(file);
 337         check_config(config);
 338         parse_config(config);
 339         if (config != NULL)
 340                 g_key_file_free(config);
 341
 342         return 0;
 343 }
 344
 345 static GMainLoop *main_loop = NULL;
 346
 347 static unsigned int __terminated = 0;
 348
 349 static gboolean signal_handler(GIOChannel *channel, GIOCondition cond,
 350                                                         gpointer user_data)
 351 {
 352         struct signalfd_siginfo si;
 353         ssize_t result;
 354         int fd;
 355
 356         if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP))
 357                 return FALSE;
 358
 359         fd = g_io_channel_unix_get_fd(channel);
 360
 361         result = read(fd, &si, sizeof(si));
 362         if (result != sizeof(si))
 363                 return FALSE;
 364
 365         switch (si.ssi_signo) {
 366         case SIGINT:
 367         case SIGTERM:
 368                 if (__terminated == 0) {
 369                         connman_info("Terminating");
 370                         g_main_loop_quit(main_loop);
 371                 }
 372
 373                 __terminated = 1;
 374                 break;
 375         }
 376
 377         return TRUE;
 378 }
 379
 380 static guint setup_signalfd(void)
 381 {
 382         GIOChannel *channel;
 383         guint source;
 384         sigset_t mask;
 385         int fd;
 386
 387         sigemptyset(&mask);
 388         sigaddset(&mask, SIGINT);
 389         sigaddset(&mask, SIGTERM);
 390
 391         if (sigprocmask(SIG_BLOCK, &mask, NULL) < 0) {
 392                 perror("Failed to set signal mask");
 393                 return 0;
 394         }
 395
 396         fd = signalfd(-1, &mask, 0);
 397         if (fd < 0) {
 398                 perror("Failed to create signal descriptor");
 399                 return 0;
 400         }
 401
 402         channel = g_io_channel_unix_new(fd);
 403
 404         g_io_channel_set_close_on_unref(channel, TRUE);
 405         g_io_channel_set_encoding(channel, NULL, NULL);
 406         g_io_channel_set_buffered(channel, FALSE);
 407
 408         source = g_io_add_watch(channel,
 409                                 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
 410                                 signal_handler, NULL);
 411
 412         g_io_channel_unref(channel);
 413
 414         return source;
 415 }
 416
 417 static void disconnect_callback(DBusConnection *conn, void *user_data)
 418 {
 419         connman_error("D-Bus disconnect");
 420
 421         g_main_loop_quit(main_loop);
 422 }
 423
 424 static gchar *option_config = NULL;
 425 static gchar *option_debug = NULL;
 426 static gchar *option_device = NULL;
 427 static gchar *option_plugin = NULL;
 428 static gchar *option_nodevice = NULL;
 429 static gchar *option_noplugin = NULL;
 430 static gchar *option_wifi = NULL;
 431 static gboolean option_detach = TRUE;
 432 static gboolean option_dnsproxy = TRUE;
 433 static gboolean option_backtrace = TRUE;
 434 static gboolean option_version = FALSE;
 435
 436 static gboolean parse_debug(const char *key, const char *value,
 437                                         gpointer user_data, GError **error)
 438 {
 439         if (value)
 440                 option_debug = g_strdup(value);
 441         else
 442                 option_debug = g_strdup("*");
 443
 444         return TRUE;
 445 }
 446
 447 static GOptionEntry options[] = {
 448         { "config", 'c', 0, G_OPTION_ARG_STRING, &option_config,
 449                                 "Load the specified configuration file "
 450                                 "instead of " CONFIGMAINFILE, "FILE" },
 451         { "debug", 'd', G_OPTION_FLAG_OPTIONAL_ARG,
 452                                 G_OPTION_ARG_CALLBACK, parse_debug,
 453                                 "Specify debug options to enable", "DEBUG" },
 454         { "device", 'i', 0, G_OPTION_ARG_STRING, &option_device,
 455                         "Specify networking device or interface", "DEV" },
 456         { "nodevice", 'I', 0, G_OPTION_ARG_STRING, &option_nodevice,
 457                         "Specify networking interface to ignore", "DEV" },
 458         { "plugin", 'p', 0, G_OPTION_ARG_STRING, &option_plugin,
 459                                 "Specify plugins to load", "NAME,..." },
 460         { "noplugin", 'P', 0, G_OPTION_ARG_STRING, &option_noplugin,
 461                                 "Specify plugins not to load", "NAME,..." },
 462         { "wifi", 'W', 0, G_OPTION_ARG_STRING, &option_wifi,
 463                                 "Specify driver for WiFi/Supplicant", "NAME" },
 464         { "nodaemon", 'n', G_OPTION_FLAG_REVERSE,
 465                                 G_OPTION_ARG_NONE, &option_detach,
 466                                 "Don't fork daemon to background" },
 467         { "nodnsproxy", 'r', G_OPTION_FLAG_REVERSE,
 468                                 G_OPTION_ARG_NONE, &option_dnsproxy,
 469                                 "Don't enable DNS Proxy" },
 470         { "nobacktrace", 0, G_OPTION_FLAG_REVERSE,
 471                                 G_OPTION_ARG_NONE, &option_backtrace,
 472                                 "Don't print out backtrace information" },
 473         { "version", 'v', 0, G_OPTION_ARG_NONE, &option_version,
 474                                 "Show version information and exit" },
 475         { NULL },
 476 };
 477
 478 const char *connman_option_get_string(const char *key)
 479 {
 480         if (g_strcmp0(key, "wifi") == 0) {
 481                 if (option_wifi == NULL)
 482                         return "nl80211,wext";
 483                 else
 484                         return option_wifi;
 485         }
 486
 487         return NULL;
 488 }
 489
 490 connman_bool_t connman_setting_get_bool(const char *key)
 491 {
 492         if (g_str_equal(key, CONF_BG_SCAN) == TRUE)
 493                 return connman_settings.bg_scan;
 494
 495         if (g_str_equal(key, CONF_ALLOW_HOSTNAME_UPDATES) == TRUE)
 496                 return connman_settings.allow_hostname_updates;
 497
 498         if (g_str_equal(key, CONF_SINGLE_TECH) == TRUE)
 499                 return connman_settings.single_tech;
 500
 501         return FALSE;
 502 }
 503
 504 char **connman_setting_get_string_list(const char *key)
 505 {
 506         if (g_str_equal(key, CONF_PREF_TIMESERVERS) == TRUE)
 507                 return connman_settings.pref_timeservers;
 508
 509         if (g_str_equal(key, CONF_FALLBACK_NAMESERVERS) == TRUE)
 510                 return connman_settings.fallback_nameservers;
 511
 512         if (g_str_equal(key, CONF_BLACKLISTED_INTERFACES) == TRUE)
 513                 return connman_settings.blacklisted_interfaces;
 514
 515         return NULL;
 516 }
 517
 518 unsigned int *connman_setting_get_uint_list(const char *key)
 519 {
 520         if (g_str_equal(key, CONF_AUTO_CONNECT) == TRUE)
 521                 return connman_settings.auto_connect;
 522
 523         if (g_str_equal(key, CONF_PREFERRED_TECHS) == TRUE)
 524                 return connman_settings.preferred_techs;
 525
 526         return NULL;
 527 }
 528
 529 unsigned int connman_timeout_input_request(void) {
 530         return connman_settings.timeout_inputreq;
 531 }
 532
 533 unsigned int connman_timeout_browser_launch(void) {
 534         return connman_settings.timeout_browserlaunch;
 535 }
 536
 537 int main(int argc, char *argv[])
 538 {
 539         GOptionContext *context;
 540         GError *error = NULL;
 541         DBusConnection *conn;
 542         DBusError err;
 543         guint signal;
 544
 545 #ifdef NEED_THREADS
 546         if (g_thread_supported() == FALSE)
 547                 g_thread_init(NULL);
 548 #endif
 549
 550         context = g_option_context_new(NULL);
 551         g_option_context_add_main_entries(context, options, NULL);
 552
 553         if (g_option_context_parse(context, &argc, &argv, &error) == FALSE) {
 554                 if (error != NULL) {
 555                         g_printerr("%s\n", error->message);
 556                         g_error_free(error);
 557                 } else
 558                         g_printerr("An unknown error occurred\n");
 559                 exit(1);
 560         }
 561
 562         g_option_context_free(context);
 563
 564         if (option_version == TRUE) {
 565                 printf("%s\n", VERSION);
 566                 exit(0);
 567         }
 568
 569         if (option_detach == TRUE) {
 570                 if (daemon(0, 0)) {
 571                         perror("Can't start daemon");
 572                         exit(1);
 573                 }
 574         }
 575
 576         if (mkdir(STATEDIR, S_IRUSR | S_IWUSR | S_IXUSR |
 577                                 S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) < 0) {
 578                 if (errno != EEXIST)
 579                         perror("Failed to create state directory");
 580         }
 581
 582         if (mkdir(STORAGEDIR, S_IRUSR | S_IWUSR | S_IXUSR |
 583                                 S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) < 0) {
 584                 if (errno != EEXIST)
 585                         perror("Failed to create storage directory");
 586         }
 587
 588         umask(0077);
 589
 590         main_loop = g_main_loop_new(NULL, FALSE);
 591
 592 #ifdef NEED_THREADS
 593         if (dbus_threads_init_default() == FALSE) {
 594                 fprintf(stderr, "Can't init usage of threads\n");
 595                 exit(1);
 596         }
 597 #endif
 598
 599         signal = setup_signalfd();
 600
 601         dbus_error_init(&err);
 602
 603         conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, CONNMAN_SERVICE, &err);
 604         if (conn == NULL) {
 605                 if (dbus_error_is_set(&err) == TRUE) {
 606                         fprintf(stderr, "%s\n", err.message);
 607                         dbus_error_free(&err);
 608                 } else
 609                         fprintf(stderr, "Can't register with system bus\n");
 610                 exit(1);
 611         }
 612
 613         g_dbus_set_disconnect_function(conn, disconnect_callback, NULL, NULL);
 614
 615         __connman_log_init(argv[0], option_debug, option_detach,
 616                         option_backtrace, "Connection Manager", VERSION);
 617
 618         __connman_dbus_init(conn);
 619
 620         if (option_config == NULL)
 621                 config_init(CONFIGMAINFILE);
 622         else
 623                 config_init(option_config);
 624
 625         __connman_inotify_init();
 626         __connman_technology_init();
 627         __connman_notifier_init();
 628         __connman_agent_init();
 629         __connman_service_init();
 630         __connman_provider_init();
 631         __connman_network_init();
 632         __connman_device_init(option_device, option_nodevice);
 633
 634         __connman_ippool_init();
 635         __connman_iptables_init();
 636         __connman_firewall_init();
 637         __connman_nat_init();
 638         __connman_tethering_init();
 639         __connman_counter_init();
 640         __connman_manager_init();
 641         __connman_config_init();
 642         __connman_stats_init();
 643         __connman_clock_init();
 644
 645         __connman_resolver_init(option_dnsproxy);
 646         __connman_ipconfig_init();
 647         __connman_rtnl_init();
 648         __connman_task_init();
 649         __connman_proxy_init();
 650         __connman_detect_init();
 651         __connman_session_init();
 652         __connman_timeserver_init();
 653         __connman_connection_init();
 654
 655         __connman_plugin_init(option_plugin, option_noplugin);
 656
 657         __connman_rtnl_start();
 658         __connman_dhcp_init();
 659         __connman_dhcpv6_init();
 660         __connman_wpad_init();
 661         __connman_wispr_init();
 662         __connman_rfkill_init();
 663
 664         g_free(option_config);
 665         g_free(option_device);
 666         g_free(option_plugin);
 667         g_free(option_nodevice);
 668         g_free(option_noplugin);
 669
 670         g_main_loop_run(main_loop);
 671
 672         g_source_remove(signal);
 673
 674         __connman_rfkill_cleanup();
 675         __connman_wispr_cleanup();
 676         __connman_wpad_cleanup();
 677         __connman_dhcpv6_cleanup();
 678         __connman_dhcp_cleanup();
 679         __connman_plugin_cleanup();
 680         __connman_provider_cleanup();
 681         __connman_connection_cleanup();
 682         __connman_timeserver_cleanup();
 683         __connman_session_cleanup();
 684         __connman_detect_cleanup();
 685         __connman_proxy_cleanup();
 686         __connman_task_cleanup();
 687         __connman_rtnl_cleanup();
 688         __connman_resolver_cleanup();
 689
 690         __connman_clock_cleanup();
 691         __connman_stats_cleanup();
 692         __connman_config_cleanup();
 693         __connman_manager_cleanup();
 694         __connman_counter_cleanup();
 695         __connman_tethering_cleanup();
 696         __connman_nat_cleanup();
 697         __connman_firewall_cleanup();
 698         __connman_iptables_cleanup();
 699         __connman_ippool_cleanup();
 700         __connman_device_cleanup();
 701         __connman_network_cleanup();
 702         __connman_service_cleanup();
 703         __connman_agent_cleanup();
 704         __connman_ipconfig_cleanup();
 705         __connman_notifier_cleanup();
 706         __connman_technology_cleanup();
 707         __connman_inotify_cleanup();
 708
 709         __connman_dbus_cleanup();
 710
 711         __connman_log_cleanup(option_backtrace);
 712
 713         dbus_connection_unref(conn);
 714
 715         g_main_loop_unref(main_loop);
 716
 717         if (connman_settings.pref_timeservers != NULL)
 718                 g_strfreev(connman_settings.pref_timeservers);
 719
 720         g_free(connman_settings.auto_connect);
 721         g_free(connman_settings.preferred_techs);
 722         g_strfreev(connman_settings.fallback_nameservers);
 723         g_strfreev(connman_settings.blacklisted_interfaces);
 724
 725         g_free(option_debug);
 726
 727         return 0;
 728 }