src/provider.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 <string.h>
  29 #include <stdlib.h>
  30 #include <gdbus.h>
  31 #include <gweb/gresolv.h>
  32
  33 #include "connman.h"
  34
  35 static DBusConnection *connection = NULL;
  36
  37 static GHashTable *provider_hash = NULL;
  38
  39 static GSList *driver_list = NULL;
  40
  41 struct connman_provider {
  42         int refcount;
  43         bool immutable;
  44         struct connman_service *vpn_service;
  45         int index;
  46         char *identifier;
  47         int family;
  48         struct connman_provider_driver *driver;
  49         void *driver_data;
  50 };
  51
  52 void __connman_provider_append_properties(struct connman_provider *provider,
  53                                                         DBusMessageIter *iter)
  54 {
  55         const char *host, *domain, *type;
  56
  57         if (!provider->driver || !provider->driver->get_property)
  58                 return;
  59
  60         host = provider->driver->get_property(provider, "Host");
  61         domain = provider->driver->get_property(provider, "Domain");
  62         type = provider->driver->get_property(provider, "Type");
  63
  64         if (host)
  65                 connman_dbus_dict_append_basic(iter, "Host",
  66                                         DBUS_TYPE_STRING, &host);
  67
  68         if (domain)
  69                 connman_dbus_dict_append_basic(iter, "Domain",
  70                                         DBUS_TYPE_STRING, &domain);
  71
  72         if (type)
  73                 connman_dbus_dict_append_basic(iter, "Type", DBUS_TYPE_STRING,
  74                                                  &type);
  75 }
  76
  77 struct connman_provider *
  78 connman_provider_ref_debug(struct connman_provider *provider,
  79                         const char *file, int line, const char *caller)
  80 {
  81         DBG("%p ref %d by %s:%d:%s()", provider, provider->refcount + 1,
  82                 file, line, caller);
  83
  84         __sync_fetch_and_add(&provider->refcount, 1);
  85
  86         return provider;
  87 }
  88
  89 static void provider_remove(struct connman_provider *provider)
  90 {
  91         if (provider->driver) {
  92                 provider->driver->remove(provider);
  93                 provider->driver = NULL;
  94         }
  95 }
  96
  97 static void provider_destruct(struct connman_provider *provider)
  98 {
  99         DBG("provider %p", provider);
 100
 101         g_free(provider->identifier);
 102         g_free(provider);
 103 }
 104
 105 void connman_provider_unref_debug(struct connman_provider *provider,
 106                                 const char *file, int line, const char *caller)
 107 {
 108         DBG("%p ref %d by %s:%d:%s()", provider, provider->refcount - 1,
 109                 file, line, caller);
 110
 111         if (__sync_fetch_and_sub(&provider->refcount, 1) != 1)
 112                 return;
 113
 114         provider_destruct(provider);
 115 }
 116
 117 static int provider_indicate_state(struct connman_provider *provider,
 118                                         enum connman_service_state state)
 119 {
 120         DBG("state %d", state);
 121
 122         __connman_service_ipconfig_indicate_state(provider->vpn_service, state,
 123                                         CONNMAN_IPCONFIG_TYPE_IPV4);
 124
 125         return __connman_service_ipconfig_indicate_state(provider->vpn_service,
 126                                         state, CONNMAN_IPCONFIG_TYPE_IPV6);
 127 }
 128
 129 int connman_provider_disconnect(struct connman_provider *provider)
 130 {
 131         int err;
 132
 133         DBG("provider %p", provider);
 134
 135         if (provider->driver && provider->driver->disconnect)
 136                 err = provider->driver->disconnect(provider);
 137         else
 138                 return -EOPNOTSUPP;
 139
 140         if (provider->vpn_service)
 141                 provider_indicate_state(provider,
 142                                         CONNMAN_SERVICE_STATE_DISCONNECT);
 143
 144         if (err < 0)
 145                 return err;
 146
 147         if (provider->vpn_service)
 148                 provider_indicate_state(provider,
 149                                         CONNMAN_SERVICE_STATE_IDLE);
 150
 151         return 0;
 152 }
 153
 154 int connman_provider_remove(struct connman_provider *provider)
 155 {
 156         DBG("Removing VPN %s", provider->identifier);
 157
 158         provider_remove(provider);
 159
 160         connman_provider_set_state(provider, CONNMAN_PROVIDER_STATE_IDLE);
 161
 162         g_hash_table_remove(provider_hash, provider->identifier);
 163
 164         return 0;
 165 }
 166
 167 int __connman_provider_connect(struct connman_provider *provider,
 168                                         const char *dbus_sender)
 169 {
 170         int err;
 171
 172         DBG("provider %p", provider);
 173
 174         if (provider->driver && provider->driver->connect)
 175                 err = provider->driver->connect(provider, dbus_sender);
 176         else
 177                 return -EOPNOTSUPP;
 178
 179         if (err < 0) {
 180                 if (err != -EINPROGRESS)
 181                         return err;
 182
 183                 provider_indicate_state(provider,
 184                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 185
 186                 return -EINPROGRESS;
 187         }
 188
 189         return 0;
 190 }
 191
 192 int __connman_provider_remove_by_path(const char *path)
 193 {
 194         struct connman_provider *provider;
 195         GHashTableIter iter;
 196         gpointer value, key;
 197
 198         DBG("path %s", path);
 199
 200         g_hash_table_iter_init(&iter, provider_hash);
 201         while (g_hash_table_iter_next(&iter, &key, &value)) {
 202                 const char *srv_path;
 203                 provider = value;
 204
 205                 if (!provider->vpn_service)
 206                         continue;
 207
 208                 srv_path = __connman_service_get_path(provider->vpn_service);
 209
 210                 if (g_strcmp0(srv_path, path) == 0) {
 211                         DBG("Removing VPN %s", provider->identifier);
 212
 213                         provider_remove(provider);
 214
 215                         connman_provider_set_state(provider,
 216                                                 CONNMAN_PROVIDER_STATE_IDLE);
 217
 218                         g_hash_table_remove(provider_hash,
 219                                                 provider->identifier);
 220                         return 0;
 221                 }
 222         }
 223
 224         return -ENXIO;
 225 }
 226
 227 static int set_connected(struct connman_provider *provider,
 228                                         bool connected)
 229 {
 230         struct connman_service *service = provider->vpn_service;
 231         struct connman_ipconfig *ipconfig;
 232
 233         if (!service)
 234                 return -ENODEV;
 235
 236         ipconfig = __connman_service_get_ipconfig(service, provider->family);
 237
 238         if (connected) {
 239                 if (!ipconfig) {
 240                         provider_indicate_state(provider,
 241                                                 CONNMAN_SERVICE_STATE_FAILURE);
 242                         return -EIO;
 243                 }
 244
 245                 __connman_ipconfig_address_add(ipconfig);
 246 #if defined TIZEN_EXT
 247                 __connman_ipconfig_gateway_add(ipconfig, service);
 248 #else
 249                 __connman_ipconfig_gateway_add(ipconfig);
 250 #endif
 251
 252                 provider_indicate_state(provider,
 253                                         CONNMAN_SERVICE_STATE_READY);
 254
 255                 if (provider->driver && provider->driver->set_routes)
 256                         provider->driver->set_routes(provider,
 257                                                 CONNMAN_PROVIDER_ROUTE_ALL);
 258
 259         } else {
 260                 if (ipconfig) {
 261                         provider_indicate_state(provider,
 262                                         CONNMAN_SERVICE_STATE_DISCONNECT);
 263                         __connman_ipconfig_gateway_remove(ipconfig);
 264                 }
 265
 266                 provider_indicate_state(provider,
 267                                         CONNMAN_SERVICE_STATE_IDLE);
 268         }
 269
 270         return 0;
 271 }
 272
 273 int connman_provider_set_state(struct connman_provider *provider,
 274                                         enum connman_provider_state state)
 275 {
 276         if (!provider || !provider->vpn_service)
 277                 return -EINVAL;
 278
 279         switch (state) {
 280         case CONNMAN_PROVIDER_STATE_UNKNOWN:
 281                 return -EINVAL;
 282         case CONNMAN_PROVIDER_STATE_IDLE:
 283                 return set_connected(provider, false);
 284         case CONNMAN_PROVIDER_STATE_CONNECT:
 285                 return provider_indicate_state(provider,
 286                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 287         case CONNMAN_PROVIDER_STATE_READY:
 288                 return set_connected(provider, true);
 289         case CONNMAN_PROVIDER_STATE_DISCONNECT:
 290                 return provider_indicate_state(provider,
 291                                         CONNMAN_SERVICE_STATE_DISCONNECT);
 292         case CONNMAN_PROVIDER_STATE_FAILURE:
 293                 return provider_indicate_state(provider,
 294                                         CONNMAN_SERVICE_STATE_FAILURE);
 295         }
 296
 297         return -EINVAL;
 298 }
 299
 300 int connman_provider_indicate_error(struct connman_provider *provider,
 301                                         enum connman_provider_error error)
 302 {
 303         enum connman_service_error service_error;
 304
 305         switch (error) {
 306         case CONNMAN_PROVIDER_ERROR_LOGIN_FAILED:
 307                 service_error = CONNMAN_SERVICE_ERROR_LOGIN_FAILED;
 308                 break;
 309         case CONNMAN_PROVIDER_ERROR_AUTH_FAILED:
 310                 service_error = CONNMAN_SERVICE_ERROR_AUTH_FAILED;
 311                 break;
 312         case CONNMAN_PROVIDER_ERROR_CONNECT_FAILED:
 313                 service_error = CONNMAN_SERVICE_ERROR_CONNECT_FAILED;
 314                 break;
 315         default:
 316                 service_error = CONNMAN_SERVICE_ERROR_UNKNOWN;
 317                 break;
 318         }
 319
 320         return __connman_service_indicate_error(provider->vpn_service,
 321                                                         service_error);
 322 }
 323
 324 int connman_provider_create_service(struct connman_provider *provider)
 325 {
 326         if (provider->vpn_service) {
 327                 bool connected;
 328
 329                 connected = __connman_service_is_connected_state(
 330                         provider->vpn_service, CONNMAN_IPCONFIG_TYPE_IPV4);
 331                 if (connected)
 332                         return -EALREADY;
 333
 334                 connected = __connman_service_is_connected_state(
 335                         provider->vpn_service, CONNMAN_IPCONFIG_TYPE_IPV6);
 336                 if (connected)
 337                         return -EALREADY;
 338
 339                 return 0;
 340         }
 341
 342         provider->vpn_service =
 343                 __connman_service_create_from_provider(provider);
 344
 345         if (!provider->vpn_service) {
 346                 connman_warn("service creation failed for provider %s",
 347                         provider->identifier);
 348
 349                 g_hash_table_remove(provider_hash, provider->identifier);
 350                 return -EOPNOTSUPP;
 351         }
 352
 353         return 0;
 354 }
 355
 356 bool __connman_provider_is_immutable(struct connman_provider *provider)
 357
 358 {
 359         if (provider)
 360                 return provider->immutable;
 361
 362         return false;
 363 }
 364
 365 int connman_provider_set_immutable(struct connman_provider *provider,
 366                                                 bool immutable)
 367 {
 368         if (!provider)
 369                 return -EINVAL;
 370
 371         provider->immutable = immutable;
 372
 373         return 0;
 374 }
 375
 376 static struct connman_provider *provider_lookup(const char *identifier)
 377 {
 378         return g_hash_table_lookup(provider_hash, identifier);
 379 }
 380
 381 static void connection_ready(DBusMessage *msg, int error_code, void *user_data)
 382 {
 383         DBusMessage *reply;
 384         const char *identifier = user_data;
 385
 386         DBG("msg %p error %d", msg, error_code);
 387
 388         if (error_code != 0) {
 389                 reply = __connman_error_failed(msg, -error_code);
 390                 if (!g_dbus_send_message(connection, reply))
 391                         DBG("reply %p send failed", reply);
 392         } else {
 393                 const char *path;
 394                 struct connman_provider *provider;
 395
 396                 provider = provider_lookup(identifier);
 397                 if (!provider) {
 398                         reply = __connman_error_failed(msg, EINVAL);
 399                         g_dbus_send_message(connection, reply);
 400                         return;
 401                 }
 402
 403                 path = __connman_service_get_path(provider->vpn_service);
 404
 405                 g_dbus_send_reply(connection, msg,
 406                                 DBUS_TYPE_OBJECT_PATH, &path,
 407                                 DBUS_TYPE_INVALID);
 408         }
 409 }
 410
 411 int __connman_provider_create_and_connect(DBusMessage *msg)
 412 {
 413         struct connman_provider_driver *driver;
 414
 415         if (!driver_list)
 416                 return -EINVAL;
 417
 418         driver = driver_list->data;
 419         if (!driver || !driver->create)
 420                 return -EINVAL;
 421
 422         DBG("msg %p", msg);
 423
 424         return driver->create(msg, connection_ready);
 425 }
 426
 427 const char *__connman_provider_get_ident(struct connman_provider *provider)
 428 {
 429         if (!provider)
 430                 return NULL;
 431
 432         return provider->identifier;
 433 }
 434
 435 int connman_provider_set_string(struct connman_provider *provider,
 436                                         const char *key, const char *value)
 437 {
 438         if (provider->driver && provider->driver->set_property)
 439                 return provider->driver->set_property(provider, key, value);
 440
 441         return 0;
 442 }
 443
 444 const char *connman_provider_get_string(struct connman_provider *provider,
 445                                                         const char *key)
 446 {
 447         if (provider->driver && provider->driver->get_property)
 448                 return provider->driver->get_property(provider, key);
 449
 450         return NULL;
 451 }
 452
 453 bool
 454 __connman_provider_check_routes(struct connman_provider *provider)
 455 {
 456         if (!provider)
 457                 return false;
 458
 459         if (provider->driver && provider->driver->check_routes)
 460                 return provider->driver->check_routes(provider);
 461
 462         return false;
 463 }
 464
 465 void *connman_provider_get_data(struct connman_provider *provider)
 466 {
 467         return provider->driver_data;
 468 }
 469
 470 void connman_provider_set_data(struct connman_provider *provider, void *data)
 471 {
 472         provider->driver_data = data;
 473 }
 474
 475 void connman_provider_set_index(struct connman_provider *provider, int index)
 476 {
 477         struct connman_service *service = provider->vpn_service;
 478         struct connman_ipconfig *ipconfig;
 479
 480         DBG("");
 481
 482         if (!service)
 483                 return;
 484
 485         ipconfig = __connman_service_get_ip4config(service);
 486
 487         if (!ipconfig) {
 488                 connman_service_create_ip4config(service, index);
 489
 490                 ipconfig = __connman_service_get_ip4config(service);
 491                 if (!ipconfig) {
 492                         DBG("Couldnt create ipconfig");
 493                         goto done;
 494                 }
 495         }
 496
 497         __connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_OFF);
 498         __connman_ipconfig_set_index(ipconfig, index);
 499
 500         ipconfig = __connman_service_get_ip6config(service);
 501
 502         if (!ipconfig) {
 503                 connman_service_create_ip6config(service, index);
 504
 505                 ipconfig = __connman_service_get_ip6config(service);
 506                 if (!ipconfig) {
 507                         DBG("Couldnt create ipconfig for IPv6");
 508                         goto done;
 509                 }
 510         }
 511
 512         __connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_OFF);
 513         __connman_ipconfig_set_index(ipconfig, index);
 514
 515 done:
 516         provider->index = index;
 517 }
 518
 519 int connman_provider_get_index(struct connman_provider *provider)
 520 {
 521         return provider->index;
 522 }
 523
 524 int connman_provider_set_ipaddress(struct connman_provider *provider,
 525                                         struct connman_ipaddress *ipaddress)
 526 {
 527         struct connman_ipconfig *ipconfig = NULL;
 528
 529         ipconfig = __connman_service_get_ipconfig(provider->vpn_service,
 530                                                         ipaddress->family);
 531         if (!ipconfig)
 532                 return -EINVAL;
 533
 534         provider->family = ipaddress->family;
 535
 536         __connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_FIXED);
 537
 538         __connman_ipconfig_set_local(ipconfig, ipaddress->local);
 539         __connman_ipconfig_set_peer(ipconfig, ipaddress->peer);
 540         __connman_ipconfig_set_broadcast(ipconfig, ipaddress->broadcast);
 541         __connman_ipconfig_set_gateway(ipconfig, ipaddress->gateway);
 542         __connman_ipconfig_set_prefixlen(ipconfig, ipaddress->prefixlen);
 543
 544         return 0;
 545 }
 546
 547 int connman_provider_set_pac(struct connman_provider *provider, const char *pac)
 548 {
 549         DBG("provider %p pac %s", provider, pac);
 550
 551         __connman_service_set_pac(provider->vpn_service, pac);
 552
 553         return 0;
 554 }
 555
 556
 557 int connman_provider_set_domain(struct connman_provider *provider,
 558                                         const char *domain)
 559 {
 560         DBG("provider %p domain %s", provider, domain);
 561
 562         __connman_service_set_domainname(provider->vpn_service, domain);
 563
 564         return 0;
 565 }
 566
 567 int connman_provider_set_nameservers(struct connman_provider *provider,
 568                                         char * const *nameservers)
 569 {
 570         int i;
 571
 572         DBG("provider %p nameservers %p", provider, nameservers);
 573
 574         __connman_service_nameserver_clear(provider->vpn_service);
 575
 576         if (!nameservers)
 577                 return 0;
 578
 579         for (i = 0; nameservers[i]; i++)
 580 #if defined TIZEN_EXT
 581                 __connman_service_nameserver_append(provider->vpn_service,
 582                                                 nameservers[i], false,
 583                                                 CONNMAN_IPCONFIG_TYPE_ALL);
 584 #else
 585                 __connman_service_nameserver_append(provider->vpn_service,
 586                                                 nameservers[i], false);
 587 #endif
 588
 589         return 0;
 590 }
 591
 592 static void unregister_provider(gpointer data)
 593 {
 594         struct connman_provider *provider = data;
 595
 596         DBG("provider %p service %p", provider, provider->vpn_service);
 597
 598         if (provider->vpn_service) {
 599                 connman_service_unref(provider->vpn_service);
 600                 provider->vpn_service = NULL;
 601         }
 602
 603         connman_provider_unref(provider);
 604 }
 605
 606 static gint compare_priority(gconstpointer a, gconstpointer b)
 607 {
 608         return 0;
 609 }
 610
 611 int connman_provider_driver_register(struct connman_provider_driver *driver)
 612 {
 613         DBG("driver %p name %s", driver, driver->name);
 614
 615         driver_list = g_slist_insert_sorted(driver_list, driver,
 616                                                         compare_priority);
 617         return 0;
 618 }
 619
 620 void connman_provider_driver_unregister(struct connman_provider_driver *driver)
 621 {
 622         DBG("driver %p name %s", driver, driver->name);
 623
 624         driver_list = g_slist_remove(driver_list, driver);
 625 }
 626
 627 void connman_provider_set_driver(struct connman_provider *provider,
 628                                 struct connman_provider_driver *driver)
 629 {
 630         provider->driver = driver;
 631 }
 632
 633 static void provider_disconnect_all(gpointer key, gpointer value,
 634                                                 gpointer user_data)
 635 {
 636         struct connman_provider *provider = value;
 637
 638         connman_provider_disconnect(provider);
 639 }
 640
 641 static void provider_offline_mode(bool enabled)
 642 {
 643         DBG("enabled %d", enabled);
 644
 645         if (enabled)
 646                 g_hash_table_foreach(provider_hash, provider_disconnect_all,
 647                                                                         NULL);
 648
 649 }
 650
 651 static void provider_initialize(struct connman_provider *provider)
 652 {
 653         DBG("provider %p", provider);
 654
 655         provider->index = 0;
 656         provider->identifier = NULL;
 657 }
 658
 659 static struct connman_provider *provider_new(void)
 660 {
 661         struct connman_provider *provider;
 662
 663         provider = g_try_new0(struct connman_provider, 1);
 664         if (!provider)
 665                 return NULL;
 666
 667         provider->refcount = 1;
 668
 669         DBG("provider %p", provider);
 670         provider_initialize(provider);
 671
 672         return provider;
 673 }
 674
 675 struct connman_provider *connman_provider_get(const char *identifier)
 676 {
 677         struct connman_provider *provider;
 678
 679         provider = g_hash_table_lookup(provider_hash, identifier);
 680         if (provider)
 681                 return provider;
 682
 683         provider = provider_new();
 684         if (!provider)
 685                 return NULL;
 686
 687         DBG("provider %p", provider);
 688
 689         provider->identifier = g_strdup(identifier);
 690
 691         g_hash_table_insert(provider_hash, provider->identifier, provider);
 692
 693         return provider;
 694 }
 695
 696 void connman_provider_put(struct connman_provider *provider)
 697 {
 698         g_hash_table_remove(provider_hash, provider->identifier);
 699 }
 700
 701 static struct connman_provider *provider_get(int index)
 702 {
 703         GHashTableIter iter;
 704         gpointer value, key;
 705
 706         g_hash_table_iter_init(&iter, provider_hash);
 707
 708         while (g_hash_table_iter_next(&iter, &key, &value)) {
 709                 struct connman_provider *provider = value;
 710
 711                 if (provider->index == index)
 712                         return provider;
 713         }
 714
 715         return NULL;
 716 }
 717
 718 static void provider_service_changed(struct connman_service *service,
 719                                 enum connman_service_state state)
 720 {
 721         struct connman_provider *provider;
 722         int vpn_index, service_index;
 723
 724         if (!service)
 725                 return;
 726
 727         switch (state) {
 728         case CONNMAN_SERVICE_STATE_UNKNOWN:
 729         case CONNMAN_SERVICE_STATE_IDLE:
 730         case CONNMAN_SERVICE_STATE_ASSOCIATION:
 731         case CONNMAN_SERVICE_STATE_CONFIGURATION:
 732         case CONNMAN_SERVICE_STATE_READY:
 733         case CONNMAN_SERVICE_STATE_ONLINE:
 734                 return;
 735         case CONNMAN_SERVICE_STATE_DISCONNECT:
 736         case CONNMAN_SERVICE_STATE_FAILURE:
 737                 break;
 738         }
 739
 740         service_index = __connman_service_get_index(service);
 741
 742         vpn_index = __connman_connection_get_vpn_index(service_index);
 743
 744         DBG("service %p %s state %d index %d/%d", service,
 745                 __connman_service_get_ident(service),
 746                 state, service_index, vpn_index);
 747
 748         if (vpn_index < 0)
 749                 return;
 750
 751         provider = provider_get(vpn_index);
 752         if (!provider)
 753                 return;
 754
 755         DBG("disconnect %p index %d", provider, vpn_index);
 756
 757         connman_provider_disconnect(provider);
 758
 759         return;
 760 }
 761
 762 static struct connman_notifier provider_notifier = {
 763         .name                   = "provider",
 764         .offline_mode           = provider_offline_mode,
 765         .service_state_changed  = provider_service_changed,
 766 };
 767
 768 int __connman_provider_init(void)
 769 {
 770         int err;
 771
 772         DBG("");
 773
 774         connection = connman_dbus_get_connection();
 775
 776         provider_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
 777                                                 NULL, unregister_provider);
 778
 779         err = connman_notifier_register(&provider_notifier);
 780         if (err < 0) {
 781                 g_hash_table_destroy(provider_hash);
 782                 dbus_connection_unref(connection);
 783         }
 784
 785         return err;
 786 }
 787
 788 void __connman_provider_cleanup(void)
 789 {
 790         DBG("");
 791
 792         connman_notifier_unregister(&provider_notifier);
 793
 794         g_hash_table_destroy(provider_hash);
 795         provider_hash = NULL;
 796
 797         dbus_connection_unref(connection);
 798 }