src/provider.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  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 <stdio.h>
  27 #include <string.h>
  28 #include <gdbus.h>
  29
  30 #include "connman.h"
  31
  32 static DBusConnection *connection = NULL;
  33
  34 static GHashTable *provider_hash = NULL;
  35
  36 static GSList *driver_list = NULL;
  37
  38 struct connman_provider {
  39         struct connman_element element;
  40         struct connman_service *vpn_service;
  41         char *identifier;
  42         char *name;
  43         char *type;
  44         char *host;
  45         char *dns;
  46         char *domain;
  47         struct connman_provider_driver *driver;
  48         void *driver_data;
  49 };
  50
  51 void __connman_provider_append_properties(struct connman_provider *provider,
  52                                                         DBusMessageIter *iter)
  53 {
  54         if (provider->host != NULL)
  55                 connman_dbus_dict_append_basic(iter, "Host",
  56                                         DBUS_TYPE_STRING, &provider->host);
  57
  58         if (provider->domain != NULL)
  59                 connman_dbus_dict_append_basic(iter, "Domain",
  60                                         DBUS_TYPE_STRING, &provider->domain);
  61
  62         if (provider->type != NULL)
  63                 connman_dbus_dict_append_basic(iter, "Type", DBUS_TYPE_STRING,
  64                                                  &provider->type);
  65 }
  66
  67 static struct connman_provider *connman_provider_lookup(const char *identifier)
  68 {
  69         struct connman_provider *provider = NULL;
  70
  71         provider = g_hash_table_lookup(provider_hash, identifier);
  72
  73         return provider;
  74 }
  75
  76 static int connman_provider_setup_vpn_ipv4(struct connman_provider *provider,
  77                                                 struct connman_element *element)
  78 {
  79         if (element == NULL || provider == NULL)
  80                 return -EINVAL;
  81
  82         DBG("set vpn type %d", element->type);
  83
  84         g_free(element->ipv4.address);
  85         element->ipv4.address = g_strdup(provider->element.ipv4.address);
  86
  87         g_free(element->ipv4.peer);
  88         element->ipv4.peer = g_strdup(provider->element.ipv4.peer);
  89
  90         g_free(element->ipv4.netmask);
  91         element->ipv4.netmask = g_strdup(provider->element.ipv4.netmask);
  92
  93         g_free(element->ipv4.gateway);
  94         element->ipv4.gateway = g_strdup(provider->element.ipv4.gateway);
  95
  96         g_free(element->ipv4.broadcast);
  97         element->ipv4.broadcast = g_strdup(provider->element.ipv4.broadcast);
  98
  99         g_free(element->ipv4.pac);
 100         element->ipv4.pac = g_strdup(provider->element.ipv4.pac);
 101
 102         return connman_element_register(element, &provider->element);
 103 }
 104
 105 struct connman_provider *connman_provider_ref(struct connman_provider *provider)
 106 {
 107         DBG("provider %p", provider);
 108
 109         if (connman_element_ref(&provider->element) == NULL)
 110                 return NULL;
 111
 112         return provider;
 113 }
 114
 115 void connman_provider_unref(struct connman_provider *provider)
 116 {
 117         DBG("provider %p", provider);
 118
 119         connman_element_unref(&provider->element);
 120 }
 121
 122 static gboolean match_driver(struct connman_provider *provider,
 123                                 struct connman_provider_driver *driver)
 124 {
 125         if (g_strcmp0(driver->name, provider->type) == 0)
 126                 return TRUE;
 127
 128         return FALSE;
 129 }
 130
 131 static int provider_probe(struct connman_provider *provider)
 132 {
 133         GSList *list;
 134
 135         DBG("provider %p name %s", provider, provider->name);
 136
 137         if (provider->driver != NULL)
 138                 return -EALREADY;
 139
 140         for (list = driver_list; list; list = list->next) {
 141                 struct connman_provider_driver *driver = list->data;
 142
 143                 if (match_driver(provider, driver) == FALSE)
 144                         continue;
 145
 146                 DBG("driver %p name %s", driver, driver->name);
 147
 148                 if (driver->probe != NULL && driver->probe(provider) == 0) {
 149                         provider->driver = driver;
 150                         break;
 151                 }
 152         }
 153
 154         if (provider->driver == NULL)
 155                 return -ENODEV;
 156
 157         return 0;
 158 }
 159
 160 int __connman_provider_disconnect(struct connman_provider *provider)
 161 {
 162         int err;
 163
 164         DBG("provider %p", provider);
 165
 166         if (provider->driver != NULL && provider->driver->disconnect != NULL)
 167                 err = provider->driver->disconnect(provider);
 168         else
 169                 return -EOPNOTSUPP;
 170
 171         if (provider->vpn_service != NULL)
 172                 __connman_service_indicate_state(provider->vpn_service,
 173                                         CONNMAN_SERVICE_STATE_DISCONNECT);
 174         if (err < 0) {
 175                 if (err != -EINPROGRESS)
 176                         return err;
 177
 178                 return -EINPROGRESS;
 179         }
 180
 181         return 0;
 182 }
 183
 184 int __connman_provider_connect(struct connman_provider *provider)
 185 {
 186         int err;
 187
 188         DBG("provider %p", provider);
 189
 190         g_free(provider->element.ipv4.address);
 191         g_free(provider->element.ipv4.peer);
 192         g_free(provider->element.ipv4.netmask);
 193         g_free(provider->element.ipv4.gateway);
 194         g_free(provider->element.ipv4.broadcast);
 195         g_free(provider->element.ipv4.pac);
 196
 197         provider->element.ipv4.address = NULL;
 198         provider->element.ipv4.peer = NULL;
 199         provider->element.ipv4.netmask = NULL;
 200         provider->element.ipv4.gateway = NULL;
 201         provider->element.ipv4.broadcast = NULL;
 202         provider->element.ipv4.pac = NULL;
 203
 204         if (provider->driver != NULL && provider->driver->connect != NULL)
 205                 err = provider->driver->connect(provider);
 206         else
 207                 return -EOPNOTSUPP;
 208
 209         if (err < 0) {
 210                 if (err != -EINPROGRESS)
 211                         return err;
 212
 213                 __connman_service_indicate_state(provider->vpn_service,
 214                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 215                 return -EINPROGRESS;
 216         }
 217
 218         return 0;
 219 }
 220
 221 int __connman_provider_remove(const char *path)
 222 {
 223         struct connman_provider *provider;
 224         GHashTableIter iter;
 225         gpointer value, key;
 226
 227         DBG("path %s", path);
 228
 229         g_hash_table_iter_init(&iter, provider_hash);
 230         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 231                 const char *srv_path;
 232                 provider = value;
 233
 234                 if (provider->vpn_service == NULL)
 235                         continue;
 236
 237                 srv_path = __connman_service_get_path(provider->vpn_service);
 238
 239                 if (g_strcmp0(srv_path, path) == 0) {
 240                         DBG("Removing VPN %s", provider->identifier);
 241                         g_hash_table_remove(provider_hash,
 242                                                 provider->identifier);
 243                         return 0;
 244                 }
 245         }
 246
 247         return -ENXIO;
 248 }
 249
 250 static int set_connected(struct connman_provider *provider,
 251                                         connman_bool_t connected)
 252 {
 253         struct connman_service *service = provider->vpn_service;
 254
 255         if (service == NULL)
 256                 return -ENODEV;
 257
 258         if (connected == TRUE) {
 259                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 260                 struct connman_element *element;
 261                 char *nameservers = NULL, *name = NULL;
 262                 const char *value;
 263                 char *second_ns;
 264                 int err;
 265
 266                 __connman_service_indicate_state(provider->vpn_service,
 267                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 268
 269                 type = CONNMAN_ELEMENT_TYPE_IPV4;
 270
 271                 element = connman_element_create(NULL);
 272                 if (element == NULL)
 273                         return -ENOMEM;
 274
 275                 element->type  = type;
 276                 element->index = provider->element.index;
 277
 278                 err = connman_provider_setup_vpn_ipv4(provider, element);
 279                 if (err < 0) {
 280                         connman_element_unref(element);
 281
 282                         __connman_service_indicate_state(service,
 283                                                 CONNMAN_SERVICE_STATE_FAILURE);
 284
 285                         return err;
 286                 }
 287
 288                 __connman_service_indicate_state(service,
 289                                                 CONNMAN_SERVICE_STATE_READY);
 290
 291                 __connman_service_set_domainname(service, provider->domain);
 292
 293                 name = connman_inet_ifname(provider->element.index);
 294
 295                 nameservers = g_strdup(provider->dns);
 296                 value = nameservers;
 297                 second_ns = strchr(value, ' ');
 298                 if (second_ns)
 299                         *(second_ns++) = 0;
 300                 __connman_service_append_nameserver(service, value);
 301                 value = second_ns;
 302
 303                 while (value) {
 304                         char *next = strchr(value, ' ');
 305                         if (next)
 306                                 *(next++) = 0;
 307
 308                         connman_resolver_append(name, provider->domain, value);
 309                         value = next;
 310                 }
 311
 312                 g_free(nameservers);
 313                 g_free(name);
 314
 315         } else {
 316                 connman_element_unregister_children(&provider->element);
 317                 __connman_service_indicate_state(service,
 318                                                 CONNMAN_SERVICE_STATE_IDLE);
 319         }
 320
 321         return 0;
 322 }
 323
 324 int connman_provider_set_state(struct connman_provider *provider,
 325                                         enum connman_provider_state state)
 326 {
 327         if (provider == NULL || provider->vpn_service == NULL)
 328                 return -EINVAL;
 329
 330         switch (state) {
 331         case CONNMAN_PROVIDER_STATE_UNKNOWN:
 332                 return -EINVAL;
 333         case CONNMAN_PROVIDER_STATE_IDLE:
 334                 return set_connected(provider, FALSE);
 335         case CONNMAN_PROVIDER_STATE_CONNECT:
 336                 return __connman_service_indicate_state(provider->vpn_service,
 337                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 338         case CONNMAN_PROVIDER_STATE_READY:
 339                 return set_connected(provider, TRUE);
 340         case CONNMAN_PROVIDER_STATE_DISCONNECT:
 341                 return __connman_service_indicate_state(provider->vpn_service,
 342                                         CONNMAN_SERVICE_STATE_DISCONNECT);
 343         case CONNMAN_PROVIDER_STATE_FAILURE:
 344                 return __connman_service_indicate_state(provider->vpn_service,
 345                                         CONNMAN_SERVICE_STATE_FAILURE);
 346         }
 347
 348         return -EINVAL;
 349 }
 350
 351 static void unregister_provider(gpointer data)
 352 {
 353         struct connman_provider *provider = data;
 354         struct connman_service *service = provider->vpn_service;
 355
 356         DBG("provider %p", provider);
 357
 358         provider->vpn_service = NULL;
 359         __connman_service_put(service);
 360
 361         connman_element_unregister(&provider->element);
 362         connman_provider_unref(provider);
 363 }
 364
 365 static void provider_destruct(struct connman_element *element)
 366 {
 367         struct connman_provider *provider = element->private;
 368
 369         DBG("provider %p", provider);
 370
 371         g_free(provider->name);
 372         g_free(provider->type);
 373         g_free(provider->domain);
 374         g_free(provider->identifier);
 375         g_free(provider->dns);
 376 }
 377
 378 static void provider_initialize(struct connman_provider *provider)
 379 {
 380         DBG("provider %p", provider);
 381
 382         __connman_element_initialize(&provider->element);
 383
 384         provider->element.private = provider;
 385         provider->element.destruct = provider_destruct;
 386
 387         provider->element.ipv4.address = NULL;
 388         provider->element.ipv4.netmask = NULL;
 389         provider->element.ipv4.gateway = NULL;
 390         provider->element.ipv4.broadcast = NULL;
 391         provider->element.ipv4.pac = NULL;
 392
 393         provider->name = NULL;
 394         provider->type = NULL;
 395         provider->dns = NULL;
 396         provider->domain = NULL;
 397         provider->identifier = NULL;
 398 }
 399
 400 static struct connman_provider *connman_provider_new(void)
 401 {
 402         struct connman_provider *provider;
 403
 404         provider = g_try_new0(struct connman_provider, 1);
 405         if (provider == NULL)
 406                 return NULL;
 407
 408         DBG("provider %p", provider);
 409         provider_initialize(provider);
 410
 411         return provider;
 412 }
 413
 414 static struct connman_provider *connman_provider_get(const char *identifier)
 415 {
 416         struct connman_provider *provider;
 417
 418         provider = g_hash_table_lookup(provider_hash, identifier);
 419         if (provider != NULL)
 420                 return provider;
 421
 422         provider = connman_provider_new();
 423         if (provider == NULL)
 424                 return NULL;
 425
 426         DBG("provider %p", provider);
 427
 428         provider->identifier = g_strdup(identifier);
 429
 430         g_hash_table_insert(provider_hash, provider->identifier, provider);
 431
 432         provider->element.name = g_strdup(identifier);
 433         connman_element_register(&provider->element, NULL);
 434
 435         return provider;
 436 }
 437
 438 static void provider_dbus_ident(char *ident)
 439 {
 440         int i, len = strlen(ident);
 441
 442         for (i = 0; i < len; i++) {
 443                 if (ident[i] >= '0' && ident[i] <= '9')
 444                         continue;
 445                 if (ident[i] >= 'a' && ident[i] <= 'z')
 446                         continue;
 447                 if (ident[i] >= 'A' && ident[i] <= 'Z')
 448                         continue;
 449                 ident[i] = '_';
 450         }
 451 }
 452
 453 int __connman_provider_create_and_connect(DBusMessage *msg)
 454 {
 455         struct connman_provider *provider;
 456         DBusMessageIter iter, array;
 457         const char *type = NULL, *name = NULL, *service_path = NULL;
 458         const char *host = NULL, *domain = NULL;
 459         char *ident;
 460         gboolean created = FALSE;
 461         int err;
 462
 463         dbus_message_iter_init(msg, &iter);
 464         dbus_message_iter_recurse(&iter, &array);
 465
 466         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 467                 DBusMessageIter entry, value;
 468                 const char *key;
 469
 470                 dbus_message_iter_recurse(&array, &entry);
 471                 dbus_message_iter_get_basic(&entry, &key);
 472
 473                 dbus_message_iter_next(&entry);
 474                 dbus_message_iter_recurse(&entry, &value);
 475
 476                 switch (dbus_message_iter_get_arg_type(&value)) {
 477                 case DBUS_TYPE_STRING:
 478                         if (g_str_equal(key, "Type") == TRUE)
 479                                 dbus_message_iter_get_basic(&value, &type);
 480                         else if (g_str_equal(key, "Name") == TRUE)
 481                                 dbus_message_iter_get_basic(&value, &name);
 482                         else if (g_str_equal(key, "Host") == TRUE)
 483                                 dbus_message_iter_get_basic(&value, &host);
 484                         else if (g_str_equal(key, "VPN.Domain") == TRUE)
 485                                 dbus_message_iter_get_basic(&value, &domain);
 486                         break;
 487                 }
 488
 489                 dbus_message_iter_next(&array);
 490         }
 491
 492         if (host == NULL || domain == NULL) {
 493                 err = -EINVAL;
 494                 goto failed;
 495         }
 496
 497         DBG("Type %s name %s", type, name);
 498
 499         if (type == NULL || name == NULL) {
 500                 err = -EOPNOTSUPP;
 501                 goto failed;
 502         }
 503
 504         ident = g_strdup_printf("%s_%s", host, domain);
 505         provider_dbus_ident(ident);
 506
 507         DBG("ident %s", ident);
 508
 509         provider = connman_provider_lookup(ident);
 510
 511         if (provider == NULL) {
 512                 created = TRUE;
 513                 provider = connman_provider_get(ident);
 514                 if (provider) {
 515                         provider->host = g_strdup(host);
 516                         provider->domain = g_strdup(domain);
 517                         provider->name = g_strdup(name);
 518                         provider->type = g_strdup(type);
 519                 }
 520         }
 521
 522         if (provider == NULL) {
 523                 DBG("can not create provider");
 524                 err = -EOPNOTSUPP;
 525                 goto failed;
 526         }
 527         dbus_message_iter_init(msg, &iter);
 528         dbus_message_iter_recurse(&iter, &array);
 529
 530         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 531                 DBusMessageIter entry, value;
 532                 const char *key, *str;
 533
 534                 dbus_message_iter_recurse(&array, &entry);
 535                 dbus_message_iter_get_basic(&entry, &key);
 536
 537                 dbus_message_iter_next(&entry);
 538                 dbus_message_iter_recurse(&entry, &value);
 539
 540                 switch (dbus_message_iter_get_arg_type(&value)) {
 541                 case DBUS_TYPE_STRING:
 542                         dbus_message_iter_get_basic(&value, &str);
 543                         connman_provider_set_string(provider, key, str);
 544                         break;
 545                 }
 546
 547                 dbus_message_iter_next(&array);
 548         }
 549
 550         g_free(ident);
 551
 552         if (provider == NULL) {
 553                 err = -EOPNOTSUPP;
 554                 goto failed;
 555         }
 556
 557         if (created == TRUE)
 558                 provider_probe(provider);
 559
 560         if (provider->vpn_service == NULL)
 561                 provider->vpn_service =
 562                         __connman_service_create_from_provider(provider);
 563         if (provider->vpn_service == NULL) {
 564                 err = -EOPNOTSUPP;
 565                 goto failed;
 566         }
 567
 568         err = __connman_service_connect(provider->vpn_service);
 569         if (err < 0 && err != -EINPROGRESS)
 570                 goto failed;
 571
 572         service_path = __connman_service_get_path(provider->vpn_service);
 573         g_dbus_send_reply(connection, msg,
 574                                 DBUS_TYPE_OBJECT_PATH, &service_path,
 575                                                         DBUS_TYPE_INVALID);
 576         return 0;
 577
 578 failed:
 579         if (provider != NULL && created == TRUE) {
 580                 DBG("can not connect delete provider");
 581                 connman_provider_unref(provider);
 582
 583                 if (provider->vpn_service != NULL) {
 584                         __connman_service_put(provider->vpn_service);
 585                         provider->vpn_service = NULL;
 586                 }
 587         }
 588
 589         return err;
 590 }
 591
 592 const char * __connman_provider_get_ident(struct connman_provider *provider)
 593 {
 594         if (provider == NULL)
 595                 return NULL;
 596
 597         return provider->identifier;
 598 }
 599
 600 int connman_provider_set_string(struct connman_provider *provider,
 601                                         const char *key, const char *value)
 602 {
 603         DBG("provider %p key %s value %s", provider, key, value);
 604
 605         if (g_str_equal(key, "Type") == TRUE) {
 606                 g_free(provider->type);
 607                 provider->type = g_strdup(value);
 608         } else if (g_str_equal(key, "Name") == TRUE) {
 609                 g_free(provider->name);
 610                 provider->name = g_strdup(value);
 611         } else if (g_str_equal(key, "Gateway") == TRUE) {
 612                 g_free(provider->element.ipv4.gateway);
 613                 provider->element.ipv4.gateway = g_strdup(value);
 614         } else if (g_str_equal(key, "Address") == TRUE) {
 615                 g_free(provider->element.ipv4.address);
 616                 provider->element.ipv4.address = g_strdup(value);
 617         } else if (g_str_equal(key, "Peer") == TRUE) {
 618                 g_free(provider->element.ipv4.peer);
 619                 provider->element.ipv4.peer = g_strdup(value);
 620         } else if (g_str_equal(key, "Netmask") == TRUE) {
 621                 g_free(provider->element.ipv4.netmask);
 622                 provider->element.ipv4.netmask = g_strdup(value);
 623         } else if (g_str_equal(key, "PAC") == TRUE) {
 624                 g_free(provider->element.ipv4.pac);
 625                 provider->element.ipv4.pac = g_strdup(value);
 626                 __connman_service_set_proxy_autoconfig(provider->vpn_service,
 627                                                                         value);
 628         } else if (g_str_equal(key, "DNS") == TRUE) {
 629                 g_free(provider->dns);
 630                 provider->dns = g_strdup(value);
 631         } else if (g_str_equal(key, "Domain") == TRUE) {
 632                 g_free(provider->domain);
 633                 provider->domain = g_strdup(value);
 634         }
 635
 636         return connman_element_set_string(&provider->element, key, value);
 637 }
 638
 639 const char *connman_provider_get_string(struct connman_provider *provider,
 640                                                         const char *key)
 641 {
 642         DBG("provider %p key %s", provider, key);
 643
 644         if (g_str_equal(key, "Type") == TRUE)
 645                 return provider->type;
 646         else if (g_str_equal(key, "Name") == TRUE)
 647                 return provider->name;
 648
 649         return connman_element_get_string(&provider->element, key);
 650 }
 651
 652 void *connman_provider_get_data(struct connman_provider *provider)
 653 {
 654         return provider->driver_data;
 655 }
 656
 657 void connman_provider_set_data(struct connman_provider *provider, void *data)
 658 {
 659         provider->driver_data = data;
 660 }
 661
 662 void connman_provider_set_index(struct connman_provider *provider, int index)
 663 {
 664         struct connman_service *service = provider->vpn_service;
 665         struct connman_ipconfig *ipconfig;
 666
 667         DBG("");
 668
 669         if (service == NULL)
 670                 return;
 671
 672         ipconfig = __connman_service_get_ip4config(service);
 673
 674         if (ipconfig == NULL) {
 675                 __connman_service_create_ip4config(service, index);
 676
 677                 ipconfig = __connman_service_get_ip4config(service);
 678                 if (ipconfig == NULL) {
 679                         DBG("Couldnt create ipconfig");
 680                         goto done;
 681                 }
 682         }
 683
 684         connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_FIXED);
 685         __connman_ipconfig_set_index(ipconfig, index);
 686
 687
 688         ipconfig = __connman_service_get_ip6config(service);
 689
 690         if (ipconfig == NULL) {
 691                 __connman_service_create_ip6config(service, index);
 692
 693                 ipconfig = __connman_service_get_ip6config(service);
 694                 if (ipconfig == NULL) {
 695                         DBG("Couldnt create ipconfig for IPv6");
 696                         goto done;
 697                 }
 698         }
 699
 700         connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_OFF);
 701         __connman_ipconfig_set_index(ipconfig, index);
 702
 703 done:
 704         provider->element.index = index;
 705 }
 706
 707 int connman_provider_get_index(struct connman_provider *provider)
 708 {
 709         return provider->element.index;
 710 }
 711
 712 const char *connman_provider_get_driver_name(struct connman_provider *provider)
 713 {
 714         return provider->driver->name;
 715 }
 716
 717 static gint compare_priority(gconstpointer a, gconstpointer b)
 718 {
 719         return 0;
 720 }
 721
 722 static void clean_provider(gpointer key, gpointer value, gpointer user_data)
 723 {
 724         struct connman_provider *provider = value;
 725
 726         if (provider->driver != NULL && provider->driver->remove)
 727                 provider->driver->remove(provider);
 728 }
 729
 730 int connman_provider_driver_register(struct connman_provider_driver *driver)
 731 {
 732         DBG("driver %p name %s", driver, driver->name);
 733
 734         driver_list = g_slist_insert_sorted(driver_list, driver,
 735                                                         compare_priority);
 736         return 0;
 737 }
 738
 739 void connman_provider_driver_unregister(struct connman_provider_driver *driver)
 740 {
 741         DBG("driver %p name %s", driver, driver->name);
 742
 743         driver_list = g_slist_remove(driver_list, driver);
 744 }
 745
 746 static void provider_remove(gpointer key, gpointer value,
 747                                                 gpointer user_data)
 748 {
 749         struct connman_provider *provider = value;
 750
 751         g_hash_table_remove(provider_hash, provider->identifier);
 752 }
 753
 754 static void provider_offline_mode(connman_bool_t enabled)
 755 {
 756         DBG("enabled %d", enabled);
 757
 758         if (enabled == TRUE)
 759                 g_hash_table_foreach(provider_hash, provider_remove, NULL);
 760
 761 }
 762
 763 static struct connman_notifier provider_notifier = {
 764         .name                   = "provider",
 765         .offline_mode           = provider_offline_mode,
 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_foreach(provider_hash, clean_provider, NULL);
 795
 796         g_hash_table_destroy(provider_hash);
 797         provider_hash = NULL;
 798
 799         dbus_connection_unref(connection);
 800 }