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