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         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 *pac;
  47         char *dns;
  48         char *domain;
  49         DBusMessage *pending;
  50         guint timeout;
  51         struct connman_provider_driver *driver;
  52         void *driver_data;
  53 };
  54
  55 static const char *state2string(enum connman_provider_state state)
  56 {
  57         switch (state) {
  58         case CONNMAN_PROVIDER_STATE_UNKNOWN:
  59                 break;
  60         case CONNMAN_PROVIDER_STATE_IDLE:
  61                 return "idle";
  62         case CONNMAN_PROVIDER_STATE_CONNECT:
  63                 return "connect";
  64         case CONNMAN_PROVIDER_STATE_READY:
  65                 return "ready";
  66         case CONNMAN_PROVIDER_STATE_DISCONNECT:
  67                 return "disconnect";
  68         case CONNMAN_PROVIDER_STATE_FAILURE:
  69                 return "failure";
  70         }
  71         return NULL;
  72 }
  73
  74 static const char *error2string(enum connman_provider_error error)
  75 {
  76         switch (error) {
  77         case CONNMAN_PROVIDER_ERROR_UNKNOWN:
  78                 break;
  79         case CONNMAN_PROVIDER_ERROR_CONNECT_FAILED:
  80                 return "connect-failed";
  81         }
  82
  83         return NULL;
  84 }
  85
  86 static void append_path(gpointer key, gpointer value, gpointer user_data)
  87 {
  88         struct connman_provider *provider = value;
  89         DBusMessageIter *iter = user_data;
  90
  91         DBG("add provider path");
  92         if (provider->path == NULL)
  93                 return;
  94
  95         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
  96                                         &provider->path);
  97 }
  98
  99 void __connman_provider_list(DBusMessageIter *iter, void *user_data)
 100 {
 101         g_hash_table_foreach(provider_hash, append_path, iter);
 102 }
 103
 104 static struct connman_provider *connman_provider_lookup(const char *identifier)
 105 {
 106         struct connman_provider *provider = NULL;
 107
 108         provider = g_hash_table_lookup(provider_hash, identifier);
 109
 110         return provider;
 111 }
 112
 113 static void connman_provider_setup_vpn_ipv4(struct connman_provider *provider,
 114                                                 struct connman_element *element)
 115 {
 116         if (element == NULL || provider == NULL)
 117                 return;
 118
 119         DBG("set vpn type %d", element->type);
 120
 121         if (provider == NULL)
 122                 return;
 123
 124         g_free(element->ipv4.address);
 125         element->ipv4.address = g_strdup(provider->element.ipv4.address);
 126
 127         g_free(element->ipv4.netmask);
 128         element->ipv4.netmask = g_strdup(provider->element.ipv4.netmask);
 129
 130         g_free(element->ipv4.gateway);
 131         element->ipv4.gateway = g_strdup(provider->element.ipv4.gateway);
 132
 133         g_free(element->ipv4.broadcast);
 134         element->ipv4.broadcast = g_strdup(provider->element.ipv4.broadcast);
 135
 136         DBG("VPN exist");
 137 }
 138
 139 struct connman_provider *connman_provider_ref(struct connman_provider *provider)
 140 {
 141         if (connman_element_ref(&provider->element) == NULL)
 142                 return NULL;
 143
 144         return provider;
 145 }
 146
 147 void connman_provider_unref(struct connman_provider *provider)
 148 {
 149         connman_element_unref(&provider->element);
 150 }
 151
 152 static gboolean match_driver(struct connman_provider *provider,
 153                                 struct connman_provider_driver *driver)
 154 {
 155         if (g_strcmp0(driver->name, provider->type) == 0)
 156                 return TRUE;
 157
 158         return FALSE;
 159 }
 160
 161 static int provider_probe(struct connman_provider *provider)
 162 {
 163         GSList *list;
 164
 165         DBG("provider %p name %s", provider, provider->name);
 166
 167         if (provider->driver != NULL)
 168                 return -EALREADY;
 169
 170         for (list = driver_list; list; list = list->next) {
 171                 struct connman_provider_driver *driver = list->data;
 172
 173                 if (match_driver(provider, driver) == FALSE)
 174                         continue;
 175
 176                 DBG("driver %p name %s", driver, driver->name);
 177
 178                 if (driver->probe != NULL && driver->probe(provider) == 0) {
 179                         provider->driver = driver;
 180                         break;
 181                 }
 182         }
 183
 184         if (provider->driver == NULL)
 185                 return -ENODEV;
 186
 187         return 0;
 188 }
 189
 190 static void state_changed(struct connman_provider *provider)
 191 {
 192         const char *str;
 193
 194         str = state2string(provider->state);
 195         if (str == NULL)
 196                 return;
 197
 198         connman_dbus_property_changed_basic(provider->path,
 199                                 CONNMAN_PROVIDER_INTERFACE, "State",
 200                                                 DBUS_TYPE_STRING, &str);
 201 }
 202
 203 static void reply_pending(struct connman_provider *provider, int error)
 204 {
 205         if (provider->timeout > 0) {
 206                 g_source_remove(provider->timeout);
 207                 provider->timeout = 0;
 208         }
 209
 210         if (provider->pending != NULL) {
 211                 if (error > 0) {
 212                         DBusMessage *reply;
 213
 214                         reply = __connman_error_failed(provider->pending,
 215                                                                 error);
 216                         if (reply != NULL)
 217                                 g_dbus_send_message(connection, reply);
 218                 } else
 219                         g_dbus_send_reply(connection, provider->pending,
 220                                                         DBUS_TYPE_INVALID);
 221
 222                 dbus_message_unref(provider->pending);
 223                 provider->pending = NULL;
 224         }
 225 }
 226
 227 static int connman_provider_disconnect(struct connman_provider *provider)
 228 {
 229         int err;
 230
 231         DBG("provider %p", provider);
 232
 233         reply_pending(provider, ECONNABORTED);
 234
 235         if (provider->driver != NULL && provider->driver->disconnect != NULL)
 236                 err = provider->driver->disconnect(provider);
 237         else
 238                 return -EOPNOTSUPP;
 239
 240         __connman_provider_indicate_state(provider,
 241                                         CONNMAN_PROVIDER_STATE_DISCONNECT);
 242         if (err < 0) {
 243                 if (err != -EINPROGRESS)
 244                         return err;
 245
 246                 return -EINPROGRESS;
 247         }
 248
 249         return 0;
 250 }
 251
 252 int __connman_provider_indicate_state(struct connman_provider *provider,
 253                                         enum connman_provider_state state)
 254 {
 255         DBG("provider %p state %d", provider, state);
 256
 257         if (provider == NULL)
 258                 return -EINVAL;
 259
 260         if (provider->state == state)
 261                 return -EALREADY;
 262
 263         if (provider->state == CONNMAN_PROVIDER_STATE_FAILURE &&
 264                                 state == CONNMAN_PROVIDER_STATE_IDLE)
 265                 return -EINVAL;
 266
 267         if (provider->state == CONNMAN_PROVIDER_STATE_IDLE &&
 268                                 state == CONNMAN_PROVIDER_STATE_DISCONNECT)
 269                 return -EINVAL;
 270
 271         if (state == CONNMAN_PROVIDER_STATE_IDLE &&
 272                         provider->state != CONNMAN_PROVIDER_STATE_DISCONNECT) {
 273                 provider->state = CONNMAN_PROVIDER_STATE_DISCONNECT;
 274                 state_changed(provider);
 275
 276                 connman_provider_disconnect(provider);
 277         }
 278
 279         provider->state = state;
 280         state_changed(provider);
 281
 282         if (state == CONNMAN_PROVIDER_STATE_READY)
 283                 reply_pending(provider, 0);
 284
 285         if (state == CONNMAN_PROVIDER_STATE_FAILURE)
 286                 reply_pending(provider, EIO);
 287         else
 288                 provider->error = CONNMAN_PROVIDER_ERROR_UNKNOWN;
 289
 290         return 0;
 291 }
 292
 293 int __connman_provider_indicate_error(struct connman_provider *provider,
 294                                       enum connman_provider_error error)
 295 {
 296         DBG("provider %p error %d", provider, error);
 297
 298         if (provider == NULL)
 299                 return -EINVAL;
 300
 301         provider->error = error;
 302
 303         return __connman_provider_indicate_state(provider,
 304                                         CONNMAN_PROVIDER_STATE_FAILURE);
 305 }
 306
 307 static gboolean connect_timeout(gpointer user_data)
 308 {
 309         struct connman_provider *provider = user_data;
 310
 311         DBG("provider %p", provider);
 312
 313         provider->timeout = 0;
 314
 315         if (provider->pending != NULL) {
 316                 DBusMessage *reply;
 317
 318                 reply = __connman_error_operation_timeout(provider->pending);
 319                 if (reply != NULL)
 320                         g_dbus_send_message(connection, reply);
 321
 322                 dbus_message_unref(provider->pending);
 323                 provider->pending = NULL;
 324         }
 325
 326         __connman_provider_indicate_error(provider,
 327                                 CONNMAN_PROVIDER_ERROR_CONNECT_FAILED);
 328
 329         return FALSE;
 330 }
 331
 332 static connman_bool_t is_connecting(struct connman_provider *provider)
 333 {
 334         switch (provider->state) {
 335         case CONNMAN_PROVIDER_STATE_UNKNOWN:
 336         case CONNMAN_PROVIDER_STATE_IDLE:
 337         case CONNMAN_PROVIDER_STATE_FAILURE:
 338         case CONNMAN_PROVIDER_STATE_DISCONNECT:
 339         case CONNMAN_PROVIDER_STATE_READY:
 340                 break;
 341         case CONNMAN_PROVIDER_STATE_CONNECT:
 342                 return TRUE;
 343         }
 344
 345         return FALSE;
 346 }
 347
 348 static int connman_provider_connect(struct connman_provider *provider)
 349 {
 350         int err;
 351
 352         DBG("provider %p", provider);
 353
 354         if (provider->state == CONNMAN_PROVIDER_STATE_READY)
 355                 return -EISCONN;
 356
 357         if (is_connecting(provider) == TRUE)
 358                 return -EALREADY;
 359
 360         g_free(provider->element.ipv4.address);
 361         g_free(provider->element.ipv4.netmask);
 362         g_free(provider->element.ipv4.gateway);
 363         g_free(provider->element.ipv4.broadcast);
 364
 365         provider->element.ipv4.address = NULL;
 366         provider->element.ipv4.netmask = NULL;
 367         provider->element.ipv4.gateway = NULL;
 368         provider->element.ipv4.broadcast = NULL;
 369
 370         if (provider->driver != NULL && provider->driver->connect != NULL)
 371                 err = provider->driver->connect(provider);
 372         else
 373                 return -EOPNOTSUPP;
 374
 375         if (err < 0) {
 376                 if (err != -EINPROGRESS)
 377                         return err;
 378
 379                 provider->timeout = g_timeout_add_seconds(60,
 380                                         connect_timeout, provider);
 381
 382                 __connman_provider_indicate_state(provider,
 383                                         CONNMAN_PROVIDER_STATE_CONNECT);
 384                 return -EINPROGRESS;
 385         }
 386
 387         return 0;
 388 }
 389
 390 int __connman_provider_remove(const char *path)
 391 {
 392         struct connman_provider *provider;
 393
 394         DBG("path %s", path);
 395
 396         provider = g_hash_table_lookup(provider_hash, path);
 397         if (provider == NULL) {
 398                 DBG("patch %s not found", path);
 399                 return -ENXIO;
 400         }
 401
 402         g_hash_table_remove(provider_hash, path);
 403
 404         return 0;
 405 }
 406
 407 static DBusMessage *get_properties(DBusConnection *conn,
 408                                         DBusMessage *msg, void *user_data)
 409 {
 410         struct connman_provider *provider = user_data;
 411         DBusMessage *reply;
 412         DBusMessageIter array, dict;
 413         dbus_bool_t required;
 414         const char *str;
 415
 416         DBG("provider %p", provider);
 417
 418         reply = dbus_message_new_method_return(msg);
 419         if (reply == NULL)
 420                 return NULL;
 421
 422         dbus_message_iter_init_append(reply, &array);
 423
 424         connman_dbus_dict_open(&array, &dict);
 425
 426         if (provider->name != NULL)
 427                 connman_dbus_dict_append_basic(&dict, "Name",
 428                                         DBUS_TYPE_STRING, &provider->name);
 429
 430         if (str != NULL)
 431                 connman_dbus_dict_append_basic(&dict, "Type",
 432                                                  DBUS_TYPE_STRING,
 433                                                  &provider->type);
 434
 435         str = state2string(provider->state);
 436         if (str != NULL)
 437                 connman_dbus_dict_append_basic(&dict, "State",
 438                                                  DBUS_TYPE_STRING, &str);
 439
 440         str = error2string(provider->error);
 441         if (str != NULL)
 442                 connman_dbus_dict_append_basic(&dict, "Error",
 443                                                  DBUS_TYPE_STRING, &str);
 444
 445         required = TRUE;
 446         connman_dbus_dict_append_basic(&dict, "PassphraseRequired",
 447                                          DBUS_TYPE_BOOLEAN, &required);
 448
 449         connman_dbus_dict_close(&array, &dict);
 450
 451         return reply;
 452 }
 453
 454 static GDBusMethodTable provider_methods[] = {
 455         { "GetProperties", "", "a{sv}", get_properties },
 456         { },
 457 };
 458
 459 static GDBusSignalTable provider_signals[] = {
 460         { "PropertyChanged", "sv" },
 461         { },
 462 };
 463
 464 int connman_provider_set_connected(struct connman_provider *provider,
 465                                                 connman_bool_t connected)
 466 {
 467         if (connected == TRUE) {
 468                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 469                 struct connman_element *element;
 470
 471                 type = CONNMAN_ELEMENT_TYPE_IPV4;
 472
 473                 element = connman_element_create(NULL);
 474                 if (element != NULL) {
 475                         element->type  = type;
 476                         element->index = provider->element.index;
 477
 478                         connman_provider_setup_vpn_ipv4(provider, element);
 479
 480                         if (connman_element_register(element,
 481                                         &provider->element) < 0)
 482                                 connman_element_unref(element);
 483                         else {
 484                                 char *nameservers = NULL;
 485                                 const char *value;
 486                                 char *name = NULL;
 487
 488                                 DBG("set dns");
 489                                 nameservers = g_strdup(provider->dns);
 490                                 value = nameservers;
 491                                 name = connman_inet_ifname(
 492                                                 provider->element.index);
 493                                 while (value) {
 494                                         char *next = strchr(value, ' ');
 495                                         if (next)
 496                                                 *(next++) = 0;
 497
 498                                         connman_resolver_append(name,
 499                                                         provider->domain,
 500                                                         value);
 501                                         value = next;
 502                                 }
 503                                 DBG("free extra");
 504                                 g_free(nameservers);
 505                                 g_free(name);
 506                         }
 507
 508                 }
 509                 __connman_provider_indicate_state(provider,
 510                                                   CONNMAN_PROVIDER_STATE_READY);
 511         } else {
 512                 reply_pending(provider, ECONNABORTED);
 513                 connman_element_unregister_children(&provider->element);
 514                 __connman_provider_indicate_state(provider,
 515                                         CONNMAN_PROVIDER_STATE_DISCONNECT);
 516         }
 517
 518         return 0;
 519 }
 520
 521 static void provider_free(gpointer user_data)
 522 {
 523         struct connman_provider *provider = user_data;
 524         char *path = provider->path;
 525
 526         DBG("provider %p", provider);
 527
 528         reply_pending(provider, ENOENT);
 529         provider->path = NULL;
 530
 531         if (path != NULL) {
 532                 g_dbus_unregister_interface(connection, path,
 533                                                 CONNMAN_PROVIDER_INTERFACE);
 534                 g_free(path);
 535         }
 536
 537         g_free(provider->name);
 538         g_free(provider->type);
 539         g_free(provider->domain);
 540         g_free(provider->identifier);
 541         g_free(provider->dns);
 542         g_free(provider->pac);
 543 }
 544
 545 static void unregister_provider(gpointer data)
 546 {
 547         struct connman_provider *provider = data;
 548
 549         DBG("provider %p", provider);
 550
 551         connman_provider_disconnect(provider);
 552
 553         connman_element_unregister(&provider->element);
 554         connman_provider_unref(provider);
 555 }
 556
 557 static void provider_destruct(struct connman_element *element)
 558 {
 559         struct connman_provider *provider = element->private;
 560
 561         provider_free(provider);
 562 }
 563
 564 static void __connman_provider_initialize(struct connman_provider *provider)
 565 {
 566         DBG("provider %p", provider);
 567
 568         provider->state = CONNMAN_PROVIDER_STATE_UNKNOWN;
 569
 570         __connman_element_initialize(&provider->element);
 571
 572         provider->element.private = provider;
 573         provider->element.destruct = provider_destruct;
 574
 575         provider->element.ipv4.address = NULL;
 576         provider->element.ipv4.netmask = NULL;
 577         provider->element.ipv4.gateway = NULL;
 578         provider->element.ipv4.broadcast = NULL;
 579
 580         provider->name = NULL;
 581         provider->type = NULL;
 582         provider->pac = NULL;
 583         provider->dns = NULL;
 584         provider->domain = NULL;
 585         provider->identifier = NULL;
 586         provider->path = NULL;
 587         provider->pending = NULL;
 588 }
 589
 590 static struct connman_provider *connman_provider_new(void)
 591 {
 592         struct connman_provider *provider;
 593
 594         provider = g_try_new0(struct connman_provider, 1);
 595         if (provider == NULL)
 596                 return NULL;
 597
 598         DBG("provider %p", provider);
 599         __connman_provider_initialize(provider);
 600
 601         return provider;
 602 }
 603
 604 static int provider_register(struct connman_provider *provider)
 605 {
 606         const char *path = "/provider";
 607
 608         DBG("provider %p", provider);
 609
 610         if (provider->path != NULL)
 611                 return -EALREADY;
 612
 613         provider->path = g_strdup_printf("%s/%s", path, provider->identifier);
 614
 615         DBG("path %s", provider->path);
 616
 617         g_dbus_register_interface(connection, provider->path,
 618                                         CONNMAN_PROVIDER_INTERFACE,
 619                                         provider_methods, provider_signals,
 620                                         NULL, provider, NULL);
 621
 622         return 0;
 623 }
 624
 625 static struct connman_provider *connman_provider_get(const char *identifier)
 626 {
 627         struct connman_provider *provider;
 628
 629         provider = g_hash_table_lookup(provider_hash, identifier);
 630         if (provider != NULL)
 631                 return provider;
 632
 633         provider = connman_provider_new();
 634         if (provider == NULL)
 635                 return NULL;
 636
 637         DBG("provider %p", provider);
 638
 639         provider->identifier = g_strdup(identifier);
 640
 641         g_hash_table_insert(provider_hash, provider->identifier, provider);
 642
 643         provider->element.name = g_strdup(identifier);
 644         connman_element_register(&provider->element, NULL);
 645
 646         return provider;
 647 }
 648
 649 static struct connman_provider *connman_provider_create(const char *name)
 650 {
 651         struct connman_provider *provider;
 652
 653         provider = connman_provider_get(name);
 654
 655         if (provider == NULL)
 656                 return NULL;
 657
 658         if (provider->path != NULL)
 659                 return provider;
 660
 661         provider_register(provider);
 662
 663         return provider;
 664 }
 665
 666 int __connman_provider_create_and_connect(DBusMessage *msg)
 667 {
 668         struct connman_provider *provider;
 669         DBusMessageIter iter, array;
 670         const char *type = NULL, *name = NULL;
 671         char *ident;
 672         gboolean created = FALSE;
 673         int err;
 674
 675         dbus_message_iter_init(msg, &iter);
 676         dbus_message_iter_recurse(&iter, &array);
 677
 678         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 679                 DBusMessageIter entry, value;
 680                 const char *key;
 681
 682                 dbus_message_iter_recurse(&array, &entry);
 683                 dbus_message_iter_get_basic(&entry, &key);
 684
 685                 dbus_message_iter_next(&entry);
 686                 dbus_message_iter_recurse(&entry, &value);
 687
 688                 switch (dbus_message_iter_get_arg_type(&value)) {
 689                 case DBUS_TYPE_STRING:
 690                         if (g_str_equal(key, "Type") == TRUE)
 691                                 dbus_message_iter_get_basic(&value, &type);
 692                         else if (g_str_equal(key, "Name") == TRUE)
 693                                 dbus_message_iter_get_basic(&value, &name);
 694                         break;
 695                 }
 696
 697                 if (type != NULL && name != NULL)
 698                         break;
 699
 700                 dbus_message_iter_next(&array);
 701         }
 702
 703         DBG("Type %s name %s", type, name);
 704
 705         if (type == NULL || name == NULL) {
 706                 err = -EOPNOTSUPP;
 707                 goto failed;
 708         }
 709
 710         ident = g_strdup_printf("%s_%s", type, name);
 711
 712         provider = connman_provider_lookup(ident);
 713
 714         if (provider == NULL) {
 715                 created = TRUE;
 716                 provider = connman_provider_create(ident);
 717                 if (provider) {
 718                         provider->name = g_strdup(name);
 719                         provider->type = g_strdup(type);
 720                 }
 721         }
 722
 723         if (provider == NULL) {
 724                 DBG("can not create provider");
 725                 err = -EOPNOTSUPP;
 726                 goto failed;
 727         }
 728         dbus_message_iter_init(msg, &iter);
 729         dbus_message_iter_recurse(&iter, &array);
 730
 731         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 732                 DBusMessageIter entry, value;
 733                 const char *key, *str;
 734
 735                 dbus_message_iter_recurse(&array, &entry);
 736                 dbus_message_iter_get_basic(&entry, &key);
 737
 738                 dbus_message_iter_next(&entry);
 739                 dbus_message_iter_recurse(&entry, &value);
 740
 741                 switch (dbus_message_iter_get_arg_type(&value)) {
 742                 case DBUS_TYPE_STRING:
 743                         dbus_message_iter_get_basic(&value, &str);
 744                         connman_provider_set_string(provider, key, str);
 745                         break;
 746                 }
 747
 748                 dbus_message_iter_next(&array);
 749         }
 750
 751         g_free(ident);
 752
 753         if (provider == NULL) {
 754                 err = -EOPNOTSUPP;
 755                 goto failed;
 756         }
 757
 758         if (created == TRUE)
 759                 provider_probe(provider);
 760
 761         err = connman_provider_connect(provider);
 762         if (err < 0 && err != -EINPROGRESS)
 763                 goto failed;
 764
 765         g_dbus_send_reply(connection, msg,
 766                                 DBUS_TYPE_OBJECT_PATH, &provider->path,
 767                                                         DBUS_TYPE_INVALID);
 768         return 0;
 769
 770 failed:
 771         if (provider != NULL && created == TRUE) {
 772                 DBG("can not connect delete provider");
 773                 connman_provider_unref(provider);
 774         }
 775
 776         return err;
 777 }
 778
 779 int connman_provider_set_string(struct connman_provider *provider,
 780                                         const char *key, const char *value)
 781 {
 782         DBG("provider %p key %s value %s", provider, key, value);
 783
 784         if (g_str_equal(key, "Type") == TRUE) {
 785                 g_free(provider->type);
 786                 provider->type = g_strdup(value);
 787         } else if (g_str_equal(key, "Name") == TRUE) {
 788                 g_free(provider->name);
 789                 provider->name = g_strdup(value);
 790         } else if (g_str_equal(key, "Gateway") == TRUE) {
 791                 g_free(provider->element.ipv4.gateway);
 792                 provider->element.ipv4.gateway = g_strdup(value);
 793         } else if (g_str_equal(key, "Address") == TRUE) {
 794                 g_free(provider->element.ipv4.address);
 795                 provider->element.ipv4.address = g_strdup(value);
 796         } else if (g_str_equal(key, "Netmask") == TRUE) {
 797                 g_free(provider->element.ipv4.netmask);
 798                 provider->element.ipv4.netmask = g_strdup(value);
 799         } else if (g_str_equal(key, "PAC") == TRUE) {
 800                 g_free(provider->pac);
 801                 provider->pac = g_strdup(value);
 802         } else if (g_str_equal(key, "DNS") == TRUE) {
 803                 g_free(provider->dns);
 804                 provider->dns = g_strdup(value);
 805         } else if (g_str_equal(key, "Domain") == TRUE) {
 806                 g_free(provider->domain);
 807                 provider->domain = g_strdup(value);
 808         }
 809
 810         return connman_element_set_string(&provider->element, key, value);
 811 }
 812
 813 const char *connman_provider_get_string(struct connman_provider *provider,
 814                                                         const char *key)
 815 {
 816         DBG("provider %p key %s", provider, key);
 817
 818         if (g_str_equal(key, "Type") == TRUE)
 819                 return provider->type;
 820         else if (g_str_equal(key, "Name") == TRUE)
 821                 return provider->name;
 822
 823         return connman_element_get_string(&provider->element, key);
 824 }
 825
 826 void *connman_provider_get_data(struct connman_provider *provider)
 827 {
 828         return provider->driver_data;
 829 }
 830
 831 void connman_provider_set_data(struct connman_provider *provider, void *data)
 832 {
 833         provider->driver_data = data;
 834 }
 835
 836 void connman_provider_set_index(struct connman_provider *provider, int index)
 837 {
 838         provider->element.index = index;
 839 }
 840
 841 int connman_provider_get_index(struct connman_provider *provider)
 842 {
 843         return provider->element.index;
 844 }
 845
 846 static gint compare_priority(gconstpointer a, gconstpointer b)
 847 {
 848         return 0;
 849 }
 850
 851 static void clean_provider(gpointer key, gpointer value, gpointer user_data)
 852 {
 853         struct connman_provider *provider = value;
 854
 855         if (provider->driver != NULL && provider->driver->remove)
 856                 provider->driver->remove(provider);
 857 }
 858
 859 int connman_provider_driver_register(struct connman_provider_driver *driver)
 860 {
 861         DBG("driver %p name %s", driver, driver->name);
 862
 863         driver_list = g_slist_insert_sorted(driver_list, driver,
 864                                                         compare_priority);
 865         return 0;
 866 }
 867
 868 void connman_provider_driver_unregister(struct connman_provider_driver *driver)
 869 {
 870         DBG("driver %p name %s", driver, driver->name);
 871
 872         driver_list = g_slist_remove(driver_list, driver);
 873 }
 874
 875 int __connman_provider_init(void)
 876 {
 877         DBG("");
 878
 879         connection = connman_dbus_get_connection();
 880
 881         provider_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
 882                                                 NULL, unregister_provider);
 883         return 0;
 884 }
 885
 886 void __connman_provider_cleanup(void)
 887 {
 888         DBG("");
 889
 890         g_hash_table_foreach(provider_hash, clean_provider, NULL);
 891
 892         g_hash_table_destroy(provider_hash);
 893         provider_hash = NULL;
 894
 895         dbus_connection_unref(connection);
 896 }