src/provider.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  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         char *identifier;
  41         char *path;
  42         enum connman_provider_state state;
  43         enum connman_provider_error error;
  44         char *name;
  45         char *type;
  46         char *dns;
  47         char *domain;
  48         DBusMessage *pending;
  49         guint timeout;
  50         struct connman_provider_driver *driver;
  51         void *driver_data;
  52 };
  53
  54 static const char *state2string(enum connman_provider_state state)
  55 {
  56         switch (state) {
  57         case CONNMAN_PROVIDER_STATE_UNKNOWN:
  58                 break;
  59         case CONNMAN_PROVIDER_STATE_IDLE:
  60                 return "idle";
  61         case CONNMAN_PROVIDER_STATE_CONNECT:
  62                 return "connect";
  63         case CONNMAN_PROVIDER_STATE_READY:
  64                 return "ready";
  65         case CONNMAN_PROVIDER_STATE_DISCONNECT:
  66                 return "disconnect";
  67         case CONNMAN_PROVIDER_STATE_FAILURE:
  68                 return "failure";
  69         }
  70         return NULL;
  71 }
  72
  73 static const char *error2string(enum connman_provider_error error)
  74 {
  75         switch (error) {
  76         case CONNMAN_PROVIDER_ERROR_UNKNOWN:
  77                 break;
  78         case CONNMAN_PROVIDER_ERROR_CONNECT_FAILED:
  79                 return "connect-failed";
  80         }
  81
  82         return NULL;
  83 }
  84
  85 static void append_path(gpointer key, gpointer value, gpointer user_data)
  86 {
  87         struct connman_provider *provider = value;
  88         DBusMessageIter *iter = user_data;
  89
  90         DBG("add provider path");
  91         if (provider->path == NULL)
  92                 return;
  93
  94         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
  95                                         &provider->path);
  96 }
  97
  98 void __connman_provider_list(DBusMessageIter *iter, void *user_data)
  99 {
 100         g_hash_table_foreach(provider_hash, append_path, iter);
 101 }
 102
 103 static struct connman_provider *connman_provider_lookup(const char *identifier)
 104 {
 105         struct connman_provider *provider = NULL;
 106
 107         provider = g_hash_table_lookup(provider_hash, identifier);
 108
 109         return provider;
 110 }
 111
 112 static void connman_provider_setup_vpn_ipv4(struct connman_provider *provider,
 113                                                 struct connman_element *element)
 114 {
 115         if (element == NULL || provider == NULL)
 116                 return;
 117
 118         DBG("set vpn type %d", element->type);
 119
 120         if (provider == NULL)
 121                 return;
 122
 123         g_free(element->ipv4.address);
 124         element->ipv4.address = g_strdup(provider->element.ipv4.address);
 125
 126         g_free(element->ipv4.netmask);
 127         element->ipv4.netmask = g_strdup(provider->element.ipv4.netmask);
 128
 129         g_free(element->ipv4.gateway);
 130         element->ipv4.gateway = g_strdup(provider->element.ipv4.gateway);
 131
 132         g_free(element->ipv4.broadcast);
 133         element->ipv4.broadcast = g_strdup(provider->element.ipv4.broadcast);
 134
 135         DBG("VPN exist");
 136 }
 137
 138 struct connman_provider *connman_provider_ref(struct connman_provider *provider)
 139 {
 140         if (connman_element_ref(&provider->element) == NULL)
 141                 return NULL;
 142
 143         return provider;
 144 }
 145
 146 void connman_provider_unref(struct connman_provider *provider)
 147 {
 148         connman_element_unref(&provider->element);
 149 }
 150
 151 static gboolean match_driver(struct connman_provider *provider,
 152                                 struct connman_provider_driver *driver)
 153 {
 154         if (g_strcmp0(driver->name, provider->type) == 0)
 155                 return TRUE;
 156
 157         return FALSE;
 158 }
 159
 160 static int provider_probe(struct connman_provider *provider)
 161 {
 162         GSList *list;
 163
 164         DBG("provider %p name %s", provider, provider->name);
 165
 166         if (provider->driver != NULL)
 167                 return -EALREADY;
 168
 169         for (list = driver_list; list; list = list->next) {
 170                 struct connman_provider_driver *driver = list->data;
 171
 172                 if (match_driver(provider, driver) == FALSE)
 173                         continue;
 174
 175                 DBG("driver %p name %s", driver, driver->name);
 176
 177                 if (driver->probe != NULL && driver->probe(provider) == 0) {
 178                         provider->driver = driver;
 179                         break;
 180                 }
 181         }
 182
 183         if (provider->driver == NULL)
 184                 return -ENODEV;
 185
 186         return 0;
 187 }
 188
 189 static void state_changed(struct connman_provider *provider)
 190 {
 191         const char *str;
 192
 193         str = state2string(provider->state);
 194         if (str == NULL)
 195                 return;
 196
 197         connman_dbus_property_changed_basic(provider->path,
 198                                 CONNMAN_PROVIDER_INTERFACE, "State",
 199                                                 DBUS_TYPE_STRING, &str);
 200 }
 201
 202 static void reply_pending(struct connman_provider *provider, int error)
 203 {
 204         if (provider->timeout > 0) {
 205                 g_source_remove(provider->timeout);
 206                 provider->timeout = 0;
 207         }
 208
 209         if (provider->pending != NULL) {
 210                 if (error > 0) {
 211                         DBusMessage *reply;
 212
 213                         reply = __connman_error_failed(provider->pending,
 214                                                                 error);
 215                         if (reply != NULL)
 216                                 g_dbus_send_message(connection, reply);
 217                 } else
 218                         g_dbus_send_reply(connection, provider->pending,
 219                                                         DBUS_TYPE_INVALID);
 220
 221                 dbus_message_unref(provider->pending);
 222                 provider->pending = NULL;
 223         }
 224 }
 225
 226 static int connman_provider_disconnect(struct connman_provider *provider)
 227 {
 228         int err;
 229
 230         DBG("provider %p", provider);
 231
 232         reply_pending(provider, ECONNABORTED);
 233
 234         if (provider->driver != NULL && provider->driver->disconnect != NULL)
 235                 err = provider->driver->disconnect(provider);
 236         else
 237                 return -EOPNOTSUPP;
 238
 239         __connman_provider_indicate_state(provider,
 240                                         CONNMAN_PROVIDER_STATE_DISCONNECT);
 241         if (err < 0) {
 242                 if (err != -EINPROGRESS)
 243                         return err;
 244
 245                 return -EINPROGRESS;
 246         }
 247
 248         return 0;
 249 }
 250
 251 int __connman_provider_indicate_state(struct connman_provider *provider,
 252                                         enum connman_provider_state state)
 253 {
 254         DBG("provider %p state %d", provider, state);
 255
 256         if (provider == NULL)
 257                 return -EINVAL;
 258
 259         if (provider->state == state)
 260                 return -EALREADY;
 261
 262         if (provider->state == CONNMAN_PROVIDER_STATE_FAILURE &&
 263                                 state == CONNMAN_PROVIDER_STATE_IDLE)
 264                 return -EINVAL;
 265
 266         if (provider->state == CONNMAN_PROVIDER_STATE_IDLE &&
 267                                 state == CONNMAN_PROVIDER_STATE_DISCONNECT)
 268                 return -EINVAL;
 269
 270         if (state == CONNMAN_PROVIDER_STATE_IDLE &&
 271                         provider->state != CONNMAN_PROVIDER_STATE_DISCONNECT) {
 272                 provider->state = CONNMAN_PROVIDER_STATE_DISCONNECT;
 273                 state_changed(provider);
 274
 275                 connman_provider_disconnect(provider);
 276         }
 277
 278         provider->state = state;
 279         state_changed(provider);
 280
 281         if (state == CONNMAN_PROVIDER_STATE_READY)
 282                 reply_pending(provider, 0);
 283
 284         if (state == CONNMAN_PROVIDER_STATE_FAILURE)
 285                 reply_pending(provider, EIO);
 286         else
 287                 provider->error = CONNMAN_PROVIDER_ERROR_UNKNOWN;
 288
 289         return 0;
 290 }
 291
 292 int __connman_provider_indicate_error(struct connman_provider *provider,
 293                                       enum connman_provider_error error)
 294 {
 295         DBG("provider %p error %d", provider, error);
 296
 297         if (provider == NULL)
 298                 return -EINVAL;
 299
 300         provider->error = error;
 301
 302         return __connman_provider_indicate_state(provider,
 303                                         CONNMAN_PROVIDER_STATE_FAILURE);
 304 }
 305
 306 static gboolean connect_timeout(gpointer user_data)
 307 {
 308         struct connman_provider *provider = user_data;
 309
 310         DBG("provider %p", provider);
 311
 312         provider->timeout = 0;
 313
 314         if (provider->pending != NULL) {
 315                 DBusMessage *reply;
 316
 317                 reply = __connman_error_operation_timeout(provider->pending);
 318                 if (reply != NULL)
 319                         g_dbus_send_message(connection, reply);
 320
 321                 dbus_message_unref(provider->pending);
 322                 provider->pending = NULL;
 323         }
 324
 325         __connman_provider_indicate_error(provider,
 326                                 CONNMAN_PROVIDER_ERROR_CONNECT_FAILED);
 327
 328         return FALSE;
 329 }
 330
 331 static connman_bool_t is_connecting(struct connman_provider *provider)
 332 {
 333         switch (provider->state) {
 334         case CONNMAN_PROVIDER_STATE_UNKNOWN:
 335         case CONNMAN_PROVIDER_STATE_IDLE:
 336         case CONNMAN_PROVIDER_STATE_FAILURE:
 337         case CONNMAN_PROVIDER_STATE_DISCONNECT:
 338         case CONNMAN_PROVIDER_STATE_READY:
 339                 break;
 340         case CONNMAN_PROVIDER_STATE_CONNECT:
 341                 return TRUE;
 342         }
 343
 344         return FALSE;
 345 }
 346
 347 static int connman_provider_connect(struct connman_provider *provider)
 348 {
 349         int err;
 350
 351         DBG("provider %p", provider);
 352
 353         if (provider->state == CONNMAN_PROVIDER_STATE_READY)
 354                 return -EISCONN;
 355
 356         if (is_connecting(provider) == TRUE)
 357                 return -EALREADY;
 358
 359         g_free(provider->element.ipv4.address);
 360         g_free(provider->element.ipv4.netmask);
 361         g_free(provider->element.ipv4.gateway);
 362         g_free(provider->element.ipv4.broadcast);
 363
 364         provider->element.ipv4.address = NULL;
 365         provider->element.ipv4.netmask = NULL;
 366         provider->element.ipv4.gateway = NULL;
 367         provider->element.ipv4.broadcast = NULL;
 368
 369         if (provider->driver != NULL && provider->driver->connect != NULL)
 370                 err = provider->driver->connect(provider);
 371         else
 372                 return -EOPNOTSUPP;
 373
 374         if (err < 0) {
 375                 if (err != -EINPROGRESS)
 376                         return err;
 377
 378                 provider->timeout = g_timeout_add_seconds(60,
 379                                         connect_timeout, provider);
 380
 381                 __connman_provider_indicate_state(provider,
 382                                         CONNMAN_PROVIDER_STATE_CONNECT);
 383                 return -EINPROGRESS;
 384         }
 385
 386         return 0;
 387 }
 388
 389 int __connman_provider_remove(const char *path)
 390 {
 391         struct connman_provider *provider;
 392
 393         DBG("path %s", path);
 394
 395         provider = g_hash_table_lookup(provider_hash, path);
 396         if (provider == NULL) {
 397                 DBG("patch %s not found", path);
 398                 return -ENXIO;
 399         }
 400
 401         g_hash_table_remove(provider_hash, path);
 402
 403         return 0;
 404 }
 405
 406 static DBusMessage *get_properties(DBusConnection *conn,
 407                                         DBusMessage *msg, void *user_data)
 408 {
 409         struct connman_provider *provider = user_data;
 410         DBusMessage *reply;
 411         DBusMessageIter array, dict;
 412         dbus_bool_t required;
 413         const char *str;
 414
 415         DBG("provider %p", provider);
 416
 417         reply = dbus_message_new_method_return(msg);
 418         if (reply == NULL)
 419                 return NULL;
 420
 421         dbus_message_iter_init_append(reply, &array);
 422
 423         connman_dbus_dict_open(&array, &dict);
 424
 425         if (provider->name != NULL)
 426                 connman_dbus_dict_append_variant(&dict, "Name",
 427                                         DBUS_TYPE_STRING, &provider->name);
 428
 429         if (str != NULL)
 430                 connman_dbus_dict_append_variant(&dict, "Type",
 431                                                  DBUS_TYPE_STRING,
 432                                                  &provider->type);
 433
 434         str = state2string(provider->state);
 435         if (str != NULL)
 436                 connman_dbus_dict_append_variant(&dict, "State",
 437                                                  DBUS_TYPE_STRING, &str);
 438
 439         str = error2string(provider->error);
 440         if (str != NULL)
 441                 connman_dbus_dict_append_variant(&dict, "Error",
 442                                                  DBUS_TYPE_STRING, &str);
 443
 444         required = TRUE;
 445         connman_dbus_dict_append_variant(&dict, "PassphraseRequired",
 446                                          DBUS_TYPE_BOOLEAN, &required);
 447
 448         connman_dbus_dict_close(&array, &dict);
 449
 450         return reply;
 451 }
 452
 453 static GDBusMethodTable provider_methods[] = {
 454         { "GetProperties", "", "a{sv}", get_properties },
 455         { },
 456 };
 457
 458 static GDBusSignalTable provider_signals[] = {
 459         { "PropertyChanged", "sv" },
 460         { },
 461 };
 462
 463 int connman_provider_set_connected(struct connman_provider *provider,
 464                                                 connman_bool_t connected)
 465 {
 466         if (connected == TRUE) {
 467                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 468                 struct connman_element *element;
 469
 470                 type = CONNMAN_ELEMENT_TYPE_IPV4;
 471
 472                 element = connman_element_create(NULL);
 473                 if (element != NULL) {
 474                         element->type  = type;
 475                         element->index = provider->element.index;
 476
 477                         connman_provider_setup_vpn_ipv4(provider, element);
 478
 479                         if (connman_element_register(element,
 480                                         &provider->element) < 0)
 481                                 connman_element_unref(element);
 482                         else {
 483                                 char *nameservers = NULL;
 484                                 const char *value;
 485                                 char *name = NULL;
 486
 487                                 DBG("set dns");
 488                                 nameservers = g_strdup(provider->dns);
 489                                 value = nameservers;
 490                                 name = connman_inet_ifname(
 491                                                 provider->element.index);
 492                                 while (value) {
 493                                         char *next = strchr(value, ' ');
 494                                         if (next)
 495                                                 *(next++) = 0;
 496
 497                                         connman_resolver_append(name,
 498                                                         provider->domain,
 499                                                         value);
 500                                         value = next;
 501                                 }
 502                                 DBG("free extra");
 503                                 g_free(nameservers);
 504                                 g_free(name);
 505                         }
 506
 507                 }
 508                 __connman_provider_indicate_state(provider,
 509                                                   CONNMAN_PROVIDER_STATE_READY);
 510         } else {
 511                 reply_pending(provider, ECONNABORTED);
 512                 connman_element_unregister_children(&provider->element);
 513                 __connman_provider_indicate_state(provider,
 514                                         CONNMAN_PROVIDER_STATE_DISCONNECT);
 515         }
 516
 517         return 0;
 518 }
 519
 520 static void provider_free(gpointer user_data)
 521 {
 522         struct connman_provider *provider = user_data;
 523         char *path = provider->path;
 524
 525         DBG("provider %p", provider);
 526
 527         reply_pending(provider, ENOENT);
 528         provider->path = NULL;
 529
 530         if (path != NULL) {
 531                 g_dbus_unregister_interface(connection, path,
 532                                                 CONNMAN_PROVIDER_INTERFACE);
 533                 g_free(path);
 534         }
 535
 536         g_free(provider->name);
 537         g_free(provider->type);
 538         g_free(provider->domain);
 539         g_free(provider->identifier);
 540         g_free(provider->dns);
 541 }
 542
 543 static void unregister_provider(gpointer data)
 544 {
 545         struct connman_provider *provider = data;
 546
 547         DBG("provider %p", provider);
 548
 549         connman_provider_disconnect(provider);
 550
 551         connman_element_unregister(&provider->element);
 552         connman_provider_unref(provider);
 553 }
 554
 555 static void provider_destruct(struct connman_element *element)
 556 {
 557         struct connman_provider *provider = element->private;
 558
 559         provider_free(provider);
 560 }
 561
 562 static void __connman_provider_initialize(struct connman_provider *provider)
 563 {
 564         DBG("provider %p", provider);
 565
 566         provider->state = CONNMAN_PROVIDER_STATE_UNKNOWN;
 567
 568         __connman_element_initialize(&provider->element);
 569
 570         provider->element.private = provider;
 571         provider->element.destruct = provider_destruct;
 572
 573         provider->element.ipv4.address = NULL;
 574         provider->element.ipv4.netmask = NULL;
 575         provider->element.ipv4.gateway = NULL;
 576         provider->element.ipv4.broadcast = NULL;
 577
 578         provider->name = NULL;
 579         provider->type = NULL;
 580         provider->dns = NULL;
 581         provider->domain = NULL;
 582         provider->identifier = NULL;
 583         provider->path = NULL;
 584         provider->pending = NULL;
 585 }
 586
 587 static struct connman_provider *connman_provider_new(void)
 588 {
 589         struct connman_provider *provider;
 590
 591         provider = g_try_new0(struct connman_provider, 1);
 592         if (provider == NULL)
 593                 return NULL;
 594
 595         DBG("provider %p", provider);
 596         __connman_provider_initialize(provider);
 597
 598         return provider;
 599 }
 600
 601 static int provider_register(struct connman_provider *provider)
 602 {
 603         const char *path = "/provider";
 604
 605         DBG("provider %p", provider);
 606
 607         if (provider->path != NULL)
 608                 return -EALREADY;
 609
 610         provider->path = g_strdup_printf("%s/%s", path, provider->identifier);
 611
 612         DBG("path %s", provider->path);
 613
 614         g_dbus_register_interface(connection, provider->path,
 615                                         CONNMAN_PROVIDER_INTERFACE,
 616                                         provider_methods, provider_signals,
 617                                         NULL, provider, NULL);
 618
 619         return 0;
 620 }
 621
 622 static struct connman_provider *connman_provider_get(const char *identifier)
 623 {
 624         struct connman_provider *provider;
 625
 626         provider = g_hash_table_lookup(provider_hash, identifier);
 627         if (provider != NULL)
 628                 return provider;
 629
 630         provider = connman_provider_new();
 631         if (provider == NULL)
 632                 return NULL;
 633
 634         DBG("provider %p", provider);
 635
 636         provider->identifier = g_strdup(identifier);
 637
 638         g_hash_table_insert(provider_hash, provider->identifier, provider);
 639
 640         provider->element.name = g_strdup(identifier);
 641         connman_element_register(&provider->element, NULL);
 642
 643         return provider;
 644 }
 645
 646 static struct connman_provider *connman_provider_create(const char *name)
 647 {
 648         struct connman_provider *provider;
 649
 650         provider = connman_provider_get(name);
 651
 652         if (provider == NULL)
 653                 return NULL;
 654
 655         if (provider->path != NULL)
 656                 return provider;
 657
 658         provider_register(provider);
 659
 660         return provider;
 661 }
 662
 663 int __connman_provider_create_and_connect(DBusMessage *msg)
 664 {
 665         struct connman_provider *provider;
 666         DBusMessageIter iter, array;
 667         const char *type = NULL, *name = NULL;
 668         char *ident;
 669         gboolean created = FALSE;
 670         int err;
 671
 672         dbus_message_iter_init(msg, &iter);
 673         dbus_message_iter_recurse(&iter, &array);
 674
 675         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 676                 DBusMessageIter entry, value;
 677                 const char *key;
 678
 679                 dbus_message_iter_recurse(&array, &entry);
 680                 dbus_message_iter_get_basic(&entry, &key);
 681
 682                 dbus_message_iter_next(&entry);
 683                 dbus_message_iter_recurse(&entry, &value);
 684
 685                 switch (dbus_message_iter_get_arg_type(&value)) {
 686                 case DBUS_TYPE_STRING:
 687                         if (g_str_equal(key, "Type") == TRUE)
 688                                 dbus_message_iter_get_basic(&value, &type);
 689                         else if (g_str_equal(key, "Name") == TRUE)
 690                                 dbus_message_iter_get_basic(&value, &name);
 691                         break;
 692                 }
 693
 694                 if (type != NULL && name != NULL)
 695                         break;
 696
 697                 dbus_message_iter_next(&array);
 698         }
 699
 700         DBG("Type %s name %s", type, name);
 701
 702         if (type == NULL || name == NULL) {
 703                 err = -EOPNOTSUPP;
 704                 goto failed;
 705         }
 706
 707         ident = g_strdup_printf("%s_%s", type, name);
 708
 709         provider = connman_provider_lookup(ident);
 710
 711         if (provider == NULL) {
 712                 created = TRUE;
 713                 provider = connman_provider_create(ident);
 714                 if (provider) {
 715                         provider->name = g_strdup(name);
 716                         provider->type = g_strdup(type);
 717                 }
 718         }
 719
 720         if (provider == NULL) {
 721                 DBG("can not create provider");
 722                 err = -EOPNOTSUPP;
 723                 goto failed;
 724         }
 725         dbus_message_iter_init(msg, &iter);
 726         dbus_message_iter_recurse(&iter, &array);
 727
 728         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 729                 DBusMessageIter entry, value;
 730                 const char *key, *str;
 731
 732                 dbus_message_iter_recurse(&array, &entry);
 733                 dbus_message_iter_get_basic(&entry, &key);
 734
 735                 dbus_message_iter_next(&entry);
 736                 dbus_message_iter_recurse(&entry, &value);
 737
 738                 switch (dbus_message_iter_get_arg_type(&value)) {
 739                 case DBUS_TYPE_STRING:
 740                         dbus_message_iter_get_basic(&value, &str);
 741                         connman_provider_set_string(provider, key, str);
 742                         break;
 743                 }
 744
 745                 dbus_message_iter_next(&array);
 746         }
 747
 748         g_free(ident);
 749
 750         if (provider == NULL) {
 751                 err = -EOPNOTSUPP;
 752                 goto failed;
 753         }
 754
 755         if (created == TRUE)
 756                 provider_probe(provider);
 757
 758         err = connman_provider_connect(provider);
 759         if (err < 0 && err != -EINPROGRESS)
 760                 goto failed;
 761
 762         g_dbus_send_reply(connection, msg,
 763                                 DBUS_TYPE_OBJECT_PATH, &provider->path,
 764                                                         DBUS_TYPE_INVALID);
 765         return 0;
 766
 767 failed:
 768         if (provider != NULL && created == TRUE) {
 769                 DBG("can not connect delete provider");
 770                 connman_provider_unref(provider);
 771         }
 772
 773         return err;
 774 }
 775
 776 int connman_provider_set_string(struct connman_provider *provider,
 777                                         const char *key, const char *value)
 778 {
 779         DBG("provider %p key %s value %s", provider, key, value);
 780
 781         if (g_str_equal(key, "Type") == TRUE) {
 782                 g_free(provider->type);
 783                 provider->type = g_strdup(value);
 784         } else if (g_str_equal(key, "Name") == TRUE) {
 785                 g_free(provider->name);
 786                 provider->name = g_strdup(value);
 787         } else if (g_str_equal(key, "Gateway") == TRUE) {
 788                 g_free(provider->element.ipv4.gateway);
 789                 provider->element.ipv4.gateway = g_strdup(value);
 790         } else if (g_str_equal(key, "Address") == TRUE) {
 791                 g_free(provider->element.ipv4.address);
 792                 provider->element.ipv4.address = g_strdup(value);
 793         } else if (g_str_equal(key, "Netmask") == TRUE) {
 794                 g_free(provider->element.ipv4.netmask);
 795                 provider->element.ipv4.netmask = g_strdup(value);
 796         } else if (g_str_equal(key, "DNS") == TRUE) {
 797                 g_free(provider->dns);
 798                 provider->dns = g_strdup(value);
 799         } else if (g_str_equal(key, "Domain")) {
 800                 g_free(provider->domain);
 801                 provider->domain = g_strdup(value);
 802         }
 803
 804         return connman_element_set_string(&provider->element, key, value);
 805 }
 806
 807 const char *connman_provider_get_string(struct connman_provider *provider,
 808                                                         const char *key)
 809 {
 810         DBG("provider %p key %s", provider, key);
 811
 812         if (g_str_equal(key, "Type") == TRUE)
 813                 return provider->type;
 814         else if (g_str_equal(key, "Name") == TRUE)
 815                 return provider->name;
 816
 817         return connman_element_get_string(&provider->element, key);
 818 }
 819
 820 void *connman_provider_get_data(struct connman_provider *provider)
 821 {
 822         return provider->driver_data;
 823 }
 824
 825 void connman_provider_set_data(struct connman_provider *provider, void *data)
 826 {
 827         provider->driver_data = data;
 828 }
 829
 830 void connman_provider_set_index(struct connman_provider *provider, int index)
 831 {
 832         provider->element.index = index;
 833 }
 834
 835 int connman_provider_get_index(struct connman_provider *provider)
 836 {
 837         return provider->element.index;
 838 }
 839
 840 static gint compare_priority(gconstpointer a, gconstpointer b)
 841 {
 842         return 0;
 843 }
 844
 845 static void clean_provider(gpointer key, gpointer value, gpointer user_data)
 846 {
 847         struct connman_provider *provider = value;
 848
 849         if (provider->driver != NULL && provider->driver->remove)
 850                 provider->driver->remove(provider);
 851 }
 852
 853 int connman_provider_driver_register(struct connman_provider_driver *driver)
 854 {
 855         DBG("driver %p name %s", driver, driver->name);
 856
 857         driver_list = g_slist_insert_sorted(driver_list, driver,
 858                                                         compare_priority);
 859         return 0;
 860 }
 861
 862 void connman_provider_driver_unregister(struct connman_provider_driver *driver)
 863 {
 864         DBG("driver %p name %s", driver, driver->name);
 865
 866         driver_list = g_slist_remove(driver_list, driver);
 867 }
 868
 869 int __connman_provider_init(void)
 870 {
 871         DBG("");
 872
 873         connection = connman_dbus_get_connection();
 874
 875         provider_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
 876                                                 NULL, unregister_provider);
 877         return 0;
 878 }
 879
 880 void __connman_provider_cleanup(void)
 881 {
 882         DBG("");
 883
 884         g_hash_table_foreach(provider_hash, clean_provider, NULL);
 885
 886         g_hash_table_destroy(provider_hash);
 887         provider_hash = NULL;
 888
 889         dbus_connection_unref(connection);
 890 }