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 <stdlib.h>
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static DBusConnection *connection = NULL;
  34
  35 static GHashTable *provider_hash = NULL;
  36
  37 static GSList *driver_list = NULL;
  38
  39 struct connman_route {
  40         int family;
  41         char *host;
  42         char *netmask;
  43         char *gateway;
  44 };
  45
  46 struct connman_provider {
  47         struct connman_element element;
  48         struct connman_service *vpn_service;
  49         char *identifier;
  50         char *name;
  51         char *type;
  52         char *host;
  53         char *dns;
  54         char *domain;
  55         GSList *route_list;
  56         struct connman_provider_driver *driver;
  57         void *driver_data;
  58 };
  59
  60 void __connman_provider_append_properties(struct connman_provider *provider,
  61                                                         DBusMessageIter *iter)
  62 {
  63         if (provider->host != NULL)
  64                 connman_dbus_dict_append_basic(iter, "Host",
  65                                         DBUS_TYPE_STRING, &provider->host);
  66
  67         if (provider->domain != NULL)
  68                 connman_dbus_dict_append_basic(iter, "Domain",
  69                                         DBUS_TYPE_STRING, &provider->domain);
  70
  71         if (provider->type != NULL)
  72                 connman_dbus_dict_append_basic(iter, "Type", DBUS_TYPE_STRING,
  73                                                  &provider->type);
  74 }
  75
  76 static struct connman_provider *connman_provider_lookup(const char *identifier)
  77 {
  78         struct connman_provider *provider = NULL;
  79
  80         provider = g_hash_table_lookup(provider_hash, identifier);
  81
  82         return provider;
  83 }
  84
  85 static int connman_provider_setup_vpn_ipv4(struct connman_provider *provider,
  86                                                 struct connman_element *element)
  87 {
  88         if (element == NULL || provider == NULL)
  89                 return -EINVAL;
  90
  91         DBG("set vpn type %d", element->type);
  92
  93         g_free(element->ipv4.address);
  94         element->ipv4.address = g_strdup(provider->element.ipv4.address);
  95
  96         g_free(element->ipv4.peer);
  97         element->ipv4.peer = g_strdup(provider->element.ipv4.peer);
  98
  99         g_free(element->ipv4.netmask);
 100         element->ipv4.netmask = g_strdup(provider->element.ipv4.netmask);
 101
 102         g_free(element->ipv4.gateway);
 103         element->ipv4.gateway = g_strdup(provider->element.ipv4.gateway);
 104
 105         g_free(element->ipv4.broadcast);
 106         element->ipv4.broadcast = g_strdup(provider->element.ipv4.broadcast);
 107
 108         g_free(element->ipv4.pac);
 109         element->ipv4.pac = g_strdup(provider->element.ipv4.pac);
 110
 111         return connman_element_register(element, &provider->element);
 112 }
 113
 114 struct connman_provider *connman_provider_ref(struct connman_provider *provider)
 115 {
 116         DBG("provider %p", provider);
 117
 118         if (connman_element_ref(&provider->element) == NULL)
 119                 return NULL;
 120
 121         return provider;
 122 }
 123
 124 void connman_provider_unref(struct connman_provider *provider)
 125 {
 126         DBG("provider %p", provider);
 127
 128         connman_element_unref(&provider->element);
 129 }
 130
 131 static gboolean match_driver(struct connman_provider *provider,
 132                                 struct connman_provider_driver *driver)
 133 {
 134         if (g_strcmp0(driver->name, provider->type) == 0)
 135                 return TRUE;
 136
 137         return FALSE;
 138 }
 139
 140 static int provider_probe(struct connman_provider *provider)
 141 {
 142         GSList *list;
 143
 144         DBG("provider %p name %s", provider, provider->name);
 145
 146         if (provider->driver != NULL)
 147                 return -EALREADY;
 148
 149         for (list = driver_list; list; list = list->next) {
 150                 struct connman_provider_driver *driver = list->data;
 151
 152                 if (match_driver(provider, driver) == FALSE)
 153                         continue;
 154
 155                 DBG("driver %p name %s", driver, driver->name);
 156
 157                 if (driver->probe != NULL && driver->probe(provider) == 0) {
 158                         provider->driver = driver;
 159                         break;
 160                 }
 161         }
 162
 163         if (provider->driver == NULL)
 164                 return -ENODEV;
 165
 166         return 0;
 167 }
 168
 169 int __connman_provider_disconnect(struct connman_provider *provider)
 170 {
 171         int err;
 172
 173         DBG("provider %p", provider);
 174
 175         if (provider->driver != NULL && provider->driver->disconnect != NULL)
 176                 err = provider->driver->disconnect(provider);
 177         else
 178                 return -EOPNOTSUPP;
 179
 180         if (provider->vpn_service != NULL)
 181                 __connman_service_indicate_state(provider->vpn_service,
 182                                         CONNMAN_SERVICE_STATE_DISCONNECT);
 183         if (err < 0) {
 184                 if (err != -EINPROGRESS)
 185                         return err;
 186
 187                 return -EINPROGRESS;
 188         }
 189
 190         return 0;
 191 }
 192
 193 int __connman_provider_connect(struct connman_provider *provider)
 194 {
 195         int err;
 196
 197         DBG("provider %p", provider);
 198
 199         g_free(provider->element.ipv4.address);
 200         g_free(provider->element.ipv4.peer);
 201         g_free(provider->element.ipv4.netmask);
 202         g_free(provider->element.ipv4.gateway);
 203         g_free(provider->element.ipv4.broadcast);
 204         g_free(provider->element.ipv4.pac);
 205
 206         provider->element.ipv4.address = NULL;
 207         provider->element.ipv4.peer = NULL;
 208         provider->element.ipv4.netmask = NULL;
 209         provider->element.ipv4.gateway = NULL;
 210         provider->element.ipv4.broadcast = NULL;
 211         provider->element.ipv4.pac = NULL;
 212
 213         if (provider->driver != NULL && provider->driver->connect != NULL)
 214                 err = provider->driver->connect(provider);
 215         else
 216                 return -EOPNOTSUPP;
 217
 218         if (err < 0) {
 219                 if (err != -EINPROGRESS)
 220                         return err;
 221
 222                 __connman_service_indicate_state(provider->vpn_service,
 223                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 224                 return -EINPROGRESS;
 225         }
 226
 227         return 0;
 228 }
 229
 230 int __connman_provider_remove(const char *path)
 231 {
 232         struct connman_provider *provider;
 233         GHashTableIter iter;
 234         gpointer value, key;
 235
 236         DBG("path %s", path);
 237
 238         g_hash_table_iter_init(&iter, provider_hash);
 239         while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 240                 const char *srv_path;
 241                 provider = value;
 242
 243                 if (provider->vpn_service == NULL)
 244                         continue;
 245
 246                 srv_path = __connman_service_get_path(provider->vpn_service);
 247
 248                 if (g_strcmp0(srv_path, path) == 0) {
 249                         DBG("Removing VPN %s", provider->identifier);
 250                         g_hash_table_remove(provider_hash,
 251                                                 provider->identifier);
 252                         return 0;
 253                 }
 254         }
 255
 256         return -ENXIO;
 257 }
 258
 259 static void provider_set_nameservers(struct connman_provider *provider)
 260 {
 261         struct connman_service *service = provider->vpn_service;
 262
 263         char *nameservers = NULL, *name = NULL;
 264         const char *value;
 265         char *second_ns;
 266
 267         if (service == NULL)
 268                 return;
 269
 270         if (provider->dns == NULL)
 271                 return;
 272
 273         name = connman_inet_ifname(provider->element.index);
 274
 275         nameservers = g_strdup(provider->dns);
 276         value = nameservers;
 277         second_ns = strchr(value, ' ');
 278         if (second_ns)
 279                 *(second_ns++) = 0;
 280         __connman_service_append_nameserver(service, value);
 281         value = second_ns;
 282
 283         while (value) {
 284                 char *next = strchr(value, ' ');
 285                 if (next)
 286                         *(next++) = 0;
 287
 288                 connman_resolver_append(name, provider->domain, value);
 289                 value = next;
 290         }
 291
 292         g_free(nameservers);
 293         g_free(name);
 294 }
 295
 296 static int set_connected(struct connman_provider *provider,
 297                                         connman_bool_t connected)
 298 {
 299         struct connman_service *service = provider->vpn_service;
 300
 301         if (service == NULL)
 302                 return -ENODEV;
 303
 304         if (connected == TRUE) {
 305                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 306                 struct connman_element *element;
 307                 GSList *list;
 308                 int err;
 309
 310                 __connman_service_indicate_state(provider->vpn_service,
 311                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 312
 313                 type = CONNMAN_ELEMENT_TYPE_IPV4;
 314
 315                 element = connman_element_create(NULL);
 316                 if (element == NULL)
 317                         return -ENOMEM;
 318
 319                 element->type  = type;
 320                 element->index = provider->element.index;
 321
 322                 err = connman_provider_setup_vpn_ipv4(provider, element);
 323                 if (err < 0) {
 324                         connman_element_unref(element);
 325
 326                         __connman_service_indicate_state(service,
 327                                                 CONNMAN_SERVICE_STATE_FAILURE);
 328
 329                         return err;
 330                 }
 331
 332                 __connman_service_indicate_state(service,
 333                                                 CONNMAN_SERVICE_STATE_READY);
 334
 335                 __connman_service_set_domainname(service, provider->domain);
 336
 337                 provider_set_nameservers(provider);
 338
 339                 for (list = provider->route_list; list; list = list->next) {
 340                         struct connman_route *route = list->data;
 341                         int index = provider->element.index;
 342
 343                         if (route->family == AF_INET6) {
 344                                 unsigned char prefix_len = atoi(route->netmask);
 345
 346                                 connman_inet_add_ipv6_network_route(index,
 347                                                                 route->host,
 348                                                                 route->gateway,
 349                                                                 prefix_len);
 350                         } else {
 351                                 connman_inet_add_network_route(index,
 352                                                         route->host,
 353                                                         route->gateway,
 354                                                         route->netmask);
 355                         }
 356                 }
 357         } else {
 358                 connman_element_unregister_children(&provider->element);
 359                 __connman_service_indicate_state(service,
 360                                                 CONNMAN_SERVICE_STATE_IDLE);
 361         }
 362
 363         return 0;
 364 }
 365
 366 int connman_provider_set_state(struct connman_provider *provider,
 367                                         enum connman_provider_state state)
 368 {
 369         if (provider == NULL || provider->vpn_service == NULL)
 370                 return -EINVAL;
 371
 372         switch (state) {
 373         case CONNMAN_PROVIDER_STATE_UNKNOWN:
 374                 return -EINVAL;
 375         case CONNMAN_PROVIDER_STATE_IDLE:
 376                 return set_connected(provider, FALSE);
 377         case CONNMAN_PROVIDER_STATE_CONNECT:
 378                 return __connman_service_indicate_state(provider->vpn_service,
 379                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 380         case CONNMAN_PROVIDER_STATE_READY:
 381                 return set_connected(provider, TRUE);
 382         case CONNMAN_PROVIDER_STATE_DISCONNECT:
 383                 return __connman_service_indicate_state(provider->vpn_service,
 384                                         CONNMAN_SERVICE_STATE_DISCONNECT);
 385         case CONNMAN_PROVIDER_STATE_FAILURE:
 386                 return __connman_service_indicate_state(provider->vpn_service,
 387                                         CONNMAN_SERVICE_STATE_FAILURE);
 388         }
 389
 390         return -EINVAL;
 391 }
 392
 393 static void unregister_provider(gpointer data)
 394 {
 395         struct connman_provider *provider = data;
 396         struct connman_service *service = provider->vpn_service;
 397
 398         DBG("provider %p", provider);
 399
 400         provider->vpn_service = NULL;
 401         __connman_service_put(service);
 402
 403         connman_element_unregister(&provider->element);
 404         connman_provider_unref(provider);
 405 }
 406
 407 static void provider_destruct(struct connman_element *element)
 408 {
 409         struct connman_provider *provider = element->private;
 410         GSList *list;
 411
 412         DBG("provider %p", provider);
 413
 414         g_free(provider->name);
 415         g_free(provider->type);
 416         g_free(provider->domain);
 417         g_free(provider->identifier);
 418         g_free(provider->dns);
 419
 420         for (list = provider->route_list; list; list = list->next) {
 421                 struct connman_route *route = list->data;
 422
 423                 g_free(route->host);
 424                 g_free(route->netmask);
 425                 g_free(route->gateway);
 426         }
 427         g_slist_free(provider->route_list);
 428 }
 429
 430 static void provider_initialize(struct connman_provider *provider)
 431 {
 432         DBG("provider %p", provider);
 433
 434         __connman_element_initialize(&provider->element);
 435
 436         provider->element.private = provider;
 437         provider->element.destruct = provider_destruct;
 438
 439         provider->element.ipv4.address = NULL;
 440         provider->element.ipv4.netmask = NULL;
 441         provider->element.ipv4.gateway = NULL;
 442         provider->element.ipv4.broadcast = NULL;
 443         provider->element.ipv4.pac = NULL;
 444
 445         provider->name = NULL;
 446         provider->type = NULL;
 447         provider->dns = NULL;
 448         provider->domain = NULL;
 449         provider->identifier = NULL;
 450         provider->route_list = NULL;
 451 }
 452
 453 static struct connman_provider *connman_provider_new(void)
 454 {
 455         struct connman_provider *provider;
 456
 457         provider = g_try_new0(struct connman_provider, 1);
 458         if (provider == NULL)
 459                 return NULL;
 460
 461         DBG("provider %p", provider);
 462         provider_initialize(provider);
 463
 464         return provider;
 465 }
 466
 467 static struct connman_provider *connman_provider_get(const char *identifier)
 468 {
 469         struct connman_provider *provider;
 470
 471         provider = g_hash_table_lookup(provider_hash, identifier);
 472         if (provider != NULL)
 473                 return provider;
 474
 475         provider = connman_provider_new();
 476         if (provider == NULL)
 477                 return NULL;
 478
 479         DBG("provider %p", provider);
 480
 481         provider->identifier = g_strdup(identifier);
 482
 483         g_hash_table_insert(provider_hash, provider->identifier, provider);
 484
 485         provider->element.name = g_strdup(identifier);
 486         connman_element_register(&provider->element, NULL);
 487
 488         return provider;
 489 }
 490
 491 static void provider_dbus_ident(char *ident)
 492 {
 493         int i, len = strlen(ident);
 494
 495         for (i = 0; i < len; i++) {
 496                 if (ident[i] >= '0' && ident[i] <= '9')
 497                         continue;
 498                 if (ident[i] >= 'a' && ident[i] <= 'z')
 499                         continue;
 500                 if (ident[i] >= 'A' && ident[i] <= 'Z')
 501                         continue;
 502                 ident[i] = '_';
 503         }
 504 }
 505
 506 int __connman_provider_create_and_connect(DBusMessage *msg)
 507 {
 508         struct connman_provider *provider;
 509         DBusMessageIter iter, array;
 510         const char *type = NULL, *name = NULL, *service_path = NULL;
 511         const char *host = NULL, *domain = NULL;
 512         char *ident;
 513         gboolean created = FALSE;
 514         int err;
 515
 516         dbus_message_iter_init(msg, &iter);
 517         dbus_message_iter_recurse(&iter, &array);
 518
 519         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 520                 DBusMessageIter entry, value;
 521                 const char *key;
 522
 523                 dbus_message_iter_recurse(&array, &entry);
 524                 dbus_message_iter_get_basic(&entry, &key);
 525
 526                 dbus_message_iter_next(&entry);
 527                 dbus_message_iter_recurse(&entry, &value);
 528
 529                 switch (dbus_message_iter_get_arg_type(&value)) {
 530                 case DBUS_TYPE_STRING:
 531                         if (g_str_equal(key, "Type") == TRUE)
 532                                 dbus_message_iter_get_basic(&value, &type);
 533                         else if (g_str_equal(key, "Name") == TRUE)
 534                                 dbus_message_iter_get_basic(&value, &name);
 535                         else if (g_str_equal(key, "Host") == TRUE)
 536                                 dbus_message_iter_get_basic(&value, &host);
 537                         else if (g_str_equal(key, "VPN.Domain") == TRUE)
 538                                 dbus_message_iter_get_basic(&value, &domain);
 539                         break;
 540                 }
 541
 542                 dbus_message_iter_next(&array);
 543         }
 544
 545         if (host == NULL || domain == NULL) {
 546                 err = -EINVAL;
 547                 goto failed;
 548         }
 549
 550         DBG("Type %s name %s", type, name);
 551
 552         if (type == NULL || name == NULL) {
 553                 err = -EOPNOTSUPP;
 554                 goto failed;
 555         }
 556
 557         ident = g_strdup_printf("%s_%s", host, domain);
 558         provider_dbus_ident(ident);
 559
 560         DBG("ident %s", ident);
 561
 562         provider = connman_provider_lookup(ident);
 563
 564         if (provider == NULL) {
 565                 created = TRUE;
 566                 provider = connman_provider_get(ident);
 567                 if (provider) {
 568                         provider->host = g_strdup(host);
 569                         provider->domain = g_strdup(domain);
 570                         provider->name = g_strdup(name);
 571                         provider->type = g_strdup(type);
 572                 }
 573         }
 574
 575         if (provider == NULL) {
 576                 DBG("can not create provider");
 577                 err = -EOPNOTSUPP;
 578                 goto failed;
 579         }
 580         dbus_message_iter_init(msg, &iter);
 581         dbus_message_iter_recurse(&iter, &array);
 582
 583         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 584                 DBusMessageIter entry, value;
 585                 const char *key, *str;
 586
 587                 dbus_message_iter_recurse(&array, &entry);
 588                 dbus_message_iter_get_basic(&entry, &key);
 589
 590                 dbus_message_iter_next(&entry);
 591                 dbus_message_iter_recurse(&entry, &value);
 592
 593                 switch (dbus_message_iter_get_arg_type(&value)) {
 594                 case DBUS_TYPE_STRING:
 595                         dbus_message_iter_get_basic(&value, &str);
 596                         connman_provider_set_string(provider, key, str);
 597                         break;
 598                 }
 599
 600                 dbus_message_iter_next(&array);
 601         }
 602
 603         g_free(ident);
 604
 605         if (provider == NULL) {
 606                 err = -EOPNOTSUPP;
 607                 goto failed;
 608         }
 609
 610         if (created == TRUE)
 611                 provider_probe(provider);
 612
 613         if (provider->vpn_service == NULL)
 614                 provider->vpn_service =
 615                         __connman_service_create_from_provider(provider);
 616         if (provider->vpn_service == NULL) {
 617                 err = -EOPNOTSUPP;
 618                 goto failed;
 619         }
 620
 621         err = __connman_service_connect(provider->vpn_service);
 622         if (err < 0 && err != -EINPROGRESS)
 623                 goto failed;
 624
 625         service_path = __connman_service_get_path(provider->vpn_service);
 626         g_dbus_send_reply(connection, msg,
 627                                 DBUS_TYPE_OBJECT_PATH, &service_path,
 628                                                         DBUS_TYPE_INVALID);
 629         return 0;
 630
 631 failed:
 632         if (provider != NULL && created == TRUE) {
 633                 DBG("can not connect delete provider");
 634                 connman_provider_unref(provider);
 635
 636                 if (provider->vpn_service != NULL) {
 637                         __connman_service_put(provider->vpn_service);
 638                         provider->vpn_service = NULL;
 639                 }
 640         }
 641
 642         return err;
 643 }
 644
 645 const char * __connman_provider_get_ident(struct connman_provider *provider)
 646 {
 647         if (provider == NULL)
 648                 return NULL;
 649
 650         return provider->identifier;
 651 }
 652
 653 int connman_provider_set_string(struct connman_provider *provider,
 654                                         const char *key, const char *value)
 655 {
 656         DBG("provider %p key %s value %s", provider, key, value);
 657
 658         if (g_str_equal(key, "Type") == TRUE) {
 659                 g_free(provider->type);
 660                 provider->type = g_strdup(value);
 661         } else if (g_str_equal(key, "Name") == TRUE) {
 662                 g_free(provider->name);
 663                 provider->name = g_strdup(value);
 664         } else if (g_str_equal(key, "Gateway") == TRUE) {
 665                 g_free(provider->element.ipv4.gateway);
 666                 provider->element.ipv4.gateway = g_strdup(value);
 667         } else if (g_str_equal(key, "Address") == TRUE) {
 668                 g_free(provider->element.ipv4.address);
 669                 provider->element.ipv4.address = g_strdup(value);
 670         } else if (g_str_equal(key, "Peer") == TRUE) {
 671                 g_free(provider->element.ipv4.peer);
 672                 provider->element.ipv4.peer = g_strdup(value);
 673         } else if (g_str_equal(key, "Netmask") == TRUE) {
 674                 g_free(provider->element.ipv4.netmask);
 675                 provider->element.ipv4.netmask = g_strdup(value);
 676         } else if (g_str_equal(key, "PAC") == TRUE) {
 677                 g_free(provider->element.ipv4.pac);
 678                 provider->element.ipv4.pac = g_strdup(value);
 679                 __connman_service_set_proxy_autoconfig(provider->vpn_service,
 680                                                                         value);
 681         } else if (g_str_equal(key, "DNS") == TRUE) {
 682                 g_free(provider->dns);
 683                 provider->dns = g_strdup(value);
 684         } else if (g_str_equal(key, "Domain") == TRUE) {
 685                 g_free(provider->domain);
 686                 provider->domain = g_strdup(value);
 687         }
 688
 689         return connman_element_set_string(&provider->element, key, value);
 690 }
 691
 692 const char *connman_provider_get_string(struct connman_provider *provider,
 693                                                         const char *key)
 694 {
 695         DBG("provider %p key %s", provider, key);
 696
 697         if (g_str_equal(key, "Type") == TRUE)
 698                 return provider->type;
 699         else if (g_str_equal(key, "Name") == TRUE)
 700                 return provider->name;
 701
 702         return connman_element_get_string(&provider->element, key);
 703 }
 704
 705 void *connman_provider_get_data(struct connman_provider *provider)
 706 {
 707         return provider->driver_data;
 708 }
 709
 710 void connman_provider_set_data(struct connman_provider *provider, void *data)
 711 {
 712         provider->driver_data = data;
 713 }
 714
 715 void connman_provider_set_index(struct connman_provider *provider, int index)
 716 {
 717         struct connman_service *service = provider->vpn_service;
 718         struct connman_ipconfig *ipconfig;
 719
 720         DBG("");
 721
 722         if (service == NULL)
 723                 return;
 724
 725         ipconfig = __connman_service_get_ip4config(service);
 726
 727         if (ipconfig == NULL) {
 728                 __connman_service_create_ip4config(service, index);
 729
 730                 ipconfig = __connman_service_get_ip4config(service);
 731                 if (ipconfig == NULL) {
 732                         DBG("Couldnt create ipconfig");
 733                         goto done;
 734                 }
 735         }
 736
 737         connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_FIXED);
 738         __connman_ipconfig_set_index(ipconfig, index);
 739
 740
 741         ipconfig = __connman_service_get_ip6config(service);
 742
 743         if (ipconfig == NULL) {
 744                 __connman_service_create_ip6config(service, index);
 745
 746                 ipconfig = __connman_service_get_ip6config(service);
 747                 if (ipconfig == NULL) {
 748                         DBG("Couldnt create ipconfig for IPv6");
 749                         goto done;
 750                 }
 751         }
 752
 753         connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_OFF);
 754         __connman_ipconfig_set_index(ipconfig, index);
 755
 756 done:
 757         provider->element.index = index;
 758 }
 759
 760 int connman_provider_get_index(struct connman_provider *provider)
 761 {
 762         return provider->element.index;
 763 }
 764
 765 int connman_provider_append_route(struct connman_provider *provider,
 766                                         int family, const char *host,
 767                                         const char *netmask,
 768                                         const char *gateway)
 769 {
 770         struct connman_route *route;
 771
 772         if (family != AF_INET && family != AF_INET6)
 773                 return -EINVAL;
 774
 775         route = g_try_new0(struct connman_route, 1);
 776         if (route == NULL)
 777                 return -ENOMEM;
 778
 779         route->family = family;
 780         route->host = g_strdup(host);
 781         route->netmask = g_strdup(netmask);
 782         route->gateway = g_strdup(gateway);
 783
 784         provider->route_list = g_slist_append(provider->route_list, route);
 785
 786         return TRUE;
 787 }
 788
 789 const char *connman_provider_get_driver_name(struct connman_provider *provider)
 790 {
 791         return provider->driver->name;
 792 }
 793
 794 static gint compare_priority(gconstpointer a, gconstpointer b)
 795 {
 796         return 0;
 797 }
 798
 799 static void clean_provider(gpointer key, gpointer value, gpointer user_data)
 800 {
 801         struct connman_provider *provider = value;
 802
 803         if (provider->driver != NULL && provider->driver->remove)
 804                 provider->driver->remove(provider);
 805 }
 806
 807 int connman_provider_driver_register(struct connman_provider_driver *driver)
 808 {
 809         DBG("driver %p name %s", driver, driver->name);
 810
 811         driver_list = g_slist_insert_sorted(driver_list, driver,
 812                                                         compare_priority);
 813         return 0;
 814 }
 815
 816 void connman_provider_driver_unregister(struct connman_provider_driver *driver)
 817 {
 818         DBG("driver %p name %s", driver, driver->name);
 819
 820         driver_list = g_slist_remove(driver_list, driver);
 821 }
 822
 823 static void provider_remove(gpointer key, gpointer value,
 824                                                 gpointer user_data)
 825 {
 826         struct connman_provider *provider = value;
 827
 828         g_hash_table_remove(provider_hash, provider->identifier);
 829 }
 830
 831 static void provider_offline_mode(connman_bool_t enabled)
 832 {
 833         DBG("enabled %d", enabled);
 834
 835         if (enabled == TRUE)
 836                 g_hash_table_foreach(provider_hash, provider_remove, NULL);
 837
 838 }
 839
 840 static struct connman_notifier provider_notifier = {
 841         .name                   = "provider",
 842         .offline_mode           = provider_offline_mode,
 843 };
 844
 845 int __connman_provider_init(void)
 846 {
 847         int err;
 848
 849         DBG("");
 850
 851         connection = connman_dbus_get_connection();
 852
 853         provider_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
 854                                                 NULL, unregister_provider);
 855
 856         err = connman_notifier_register(&provider_notifier);
 857         if (err < 0) {
 858                 g_hash_table_destroy(provider_hash);
 859                 dbus_connection_unref(connection);
 860         }
 861
 862         return err;
 863 }
 864
 865 void __connman_provider_cleanup(void)
 866 {
 867         DBG("");
 868
 869         connman_notifier_unregister(&provider_notifier);
 870
 871         g_hash_table_foreach(provider_hash, clean_provider, NULL);
 872
 873         g_hash_table_destroy(provider_hash);
 874         provider_hash = NULL;
 875
 876         dbus_connection_unref(connection);
 877 }