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)
  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         DBusMessage *signal;
 192         DBusMessageIter iter;
 193         const char *str;
 194
 195         if (provider->path == NULL)
 196                 return;
 197
 198         str = state2string(provider->state);
 199         if (str == NULL)
 200                 return;
 201
 202         signal = dbus_message_new_signal(provider->path,
 203                         CONNMAN_PROVIDER_INTERFACE, "PropertyChanged");
 204         if (signal == NULL)
 205                 return;
 206
 207         dbus_message_iter_init_append(signal, &iter);
 208         connman_dbus_property_append_variant(&iter, "State",
 209                                                 DBUS_TYPE_STRING, &str);
 210
 211         g_dbus_send_message(connection, signal);
 212 }
 213
 214 static void reply_pending(struct connman_provider *provider, int error)
 215 {
 216         if (provider->timeout > 0) {
 217                 g_source_remove(provider->timeout);
 218                 provider->timeout = 0;
 219         }
 220
 221         if (provider->pending != NULL) {
 222                 if (error > 0) {
 223                         DBusMessage *reply;
 224
 225                         reply = __connman_error_failed(provider->pending,
 226                                                                 error);
 227                         if (reply != NULL)
 228                                 g_dbus_send_message(connection, reply);
 229                 } else
 230                         g_dbus_send_reply(connection, provider->pending,
 231                                                         DBUS_TYPE_INVALID);
 232
 233                 dbus_message_unref(provider->pending);
 234                 provider->pending = NULL;
 235         }
 236 }
 237
 238 static int connman_provider_disconnect(struct connman_provider *provider)
 239 {
 240         int err;
 241
 242         DBG("provider %p", provider);
 243
 244         reply_pending(provider, ECONNABORTED);
 245
 246         if (provider->driver != NULL && provider->driver->disconnect != NULL)
 247                 err = provider->driver->disconnect(provider);
 248         else
 249                 return -EOPNOTSUPP;
 250
 251         __connman_provider_indicate_state(provider,
 252                                         CONNMAN_PROVIDER_STATE_DISCONNECT);
 253         if (err < 0) {
 254                 if (err != -EINPROGRESS)
 255                         return err;
 256
 257                 return -EINPROGRESS;
 258         }
 259
 260         return 0;
 261 }
 262
 263 int __connman_provider_indicate_state(struct connman_provider *provider,
 264                                         enum connman_provider_state state)
 265 {
 266         DBG("provider %p state %d", provider, state);
 267
 268         if (provider == NULL)
 269                 return -EINVAL;
 270
 271         if (provider->state == state)
 272                 return -EALREADY;
 273
 274         if (provider->state == CONNMAN_PROVIDER_STATE_FAILURE &&
 275                                 state == CONNMAN_PROVIDER_STATE_IDLE)
 276                 return -EINVAL;
 277
 278         if (provider->state == CONNMAN_PROVIDER_STATE_IDLE &&
 279                                 state == CONNMAN_PROVIDER_STATE_DISCONNECT)
 280                 return -EINVAL;
 281
 282         if (state == CONNMAN_PROVIDER_STATE_IDLE &&
 283                         provider->state != CONNMAN_PROVIDER_STATE_DISCONNECT) {
 284                 provider->state = CONNMAN_PROVIDER_STATE_DISCONNECT;
 285                 state_changed(provider);
 286
 287                 connman_provider_disconnect(provider);
 288         }
 289
 290         provider->state = state;
 291         state_changed(provider);
 292
 293         if (state == CONNMAN_PROVIDER_STATE_READY)
 294                 reply_pending(provider, 0);
 295
 296         if (state == CONNMAN_PROVIDER_STATE_FAILURE)
 297                 reply_pending(provider, EIO);
 298         else
 299                 provider->error = CONNMAN_PROVIDER_ERROR_UNKNOWN;
 300
 301         return 0;
 302 }
 303
 304 int __connman_provider_indicate_error(struct connman_provider *provider,
 305                                       enum connman_provider_error error)
 306 {
 307         DBG("provider %p error %d", provider, error);
 308
 309         if (provider == NULL)
 310                 return -EINVAL;
 311
 312         provider->error = error;
 313
 314         return __connman_provider_indicate_state(provider,
 315                                         CONNMAN_PROVIDER_STATE_FAILURE);
 316 }
 317
 318 static gboolean connect_timeout(gpointer user_data)
 319 {
 320         struct connman_provider *provider = user_data;
 321
 322         DBG("provider %p", provider);
 323
 324         provider->timeout = 0;
 325
 326         if (provider->pending != NULL) {
 327                 DBusMessage *reply;
 328
 329                 reply = __connman_error_operation_timeout(provider->pending);
 330                 if (reply != NULL)
 331                         g_dbus_send_message(connection, reply);
 332
 333                 dbus_message_unref(provider->pending);
 334                 provider->pending = NULL;
 335         }
 336
 337         __connman_provider_indicate_error(provider,
 338                                 CONNMAN_PROVIDER_ERROR_CONNECT_FAILED);
 339
 340         return FALSE;
 341 }
 342
 343 static connman_bool_t is_connecting(struct connman_provider *provider)
 344 {
 345         switch (provider->state) {
 346         case CONNMAN_PROVIDER_STATE_UNKNOWN:
 347         case CONNMAN_PROVIDER_STATE_IDLE:
 348         case CONNMAN_PROVIDER_STATE_FAILURE:
 349         case CONNMAN_PROVIDER_STATE_DISCONNECT:
 350         case CONNMAN_PROVIDER_STATE_READY:
 351                 break;
 352         case CONNMAN_PROVIDER_STATE_CONNECT:
 353                 return TRUE;
 354         }
 355
 356         return FALSE;
 357 }
 358
 359 static int connman_provider_connect(struct connman_provider *provider)
 360 {
 361         int err;
 362
 363         DBG("provider %p", provider);
 364
 365         if (provider->state == CONNMAN_PROVIDER_STATE_READY)
 366                 return -EISCONN;
 367
 368         if (is_connecting(provider) == TRUE)
 369                 return -EALREADY;
 370
 371         g_free(provider->element.ipv4.address);
 372         g_free(provider->element.ipv4.netmask);
 373         g_free(provider->element.ipv4.gateway);
 374         g_free(provider->element.ipv4.broadcast);
 375
 376         provider->element.ipv4.address = NULL;
 377         provider->element.ipv4.netmask = NULL;
 378         provider->element.ipv4.gateway = NULL;
 379         provider->element.ipv4.broadcast = NULL;
 380
 381         if (provider->driver != NULL && provider->driver->connect != NULL)
 382                 err = provider->driver->connect(provider);
 383         else
 384                 return -EOPNOTSUPP;
 385
 386         if (err < 0) {
 387                 if (err != -EINPROGRESS)
 388                         return err;
 389
 390                 provider->timeout = g_timeout_add_seconds(60,
 391                                         connect_timeout, provider);
 392
 393                 __connman_provider_indicate_state(provider,
 394                                         CONNMAN_PROVIDER_STATE_CONNECT);
 395                 return -EINPROGRESS;
 396         }
 397
 398         return 0;
 399 }
 400
 401 int __connman_provider_remove(const char *path)
 402 {
 403         struct connman_provider *provider;
 404
 405         DBG("path %s", path);
 406
 407         provider = g_hash_table_lookup(provider_hash, path);
 408         if (provider == NULL) {
 409                 DBG("patch %s not found", path);
 410                 return -ENXIO;
 411         }
 412
 413         g_hash_table_remove(provider_hash, path);
 414
 415         return 0;
 416 }
 417
 418 static DBusMessage *get_properties(DBusConnection *conn,
 419                                         DBusMessage *msg, void *user_data)
 420 {
 421         struct connman_provider *provider = user_data;
 422         DBusMessage *reply;
 423         DBusMessageIter array, dict;
 424         dbus_bool_t required;
 425         const char *str;
 426
 427         DBG("provider %p", provider);
 428
 429         reply = dbus_message_new_method_return(msg);
 430         if (reply == NULL)
 431                 return NULL;
 432
 433         dbus_message_iter_init_append(reply, &array);
 434
 435         connman_dbus_dict_open(&array, &dict);
 436
 437         if (provider->name != NULL)
 438                 connman_dbus_dict_append_variant(&dict, "Name",
 439                                         DBUS_TYPE_STRING, &provider->name);
 440
 441         if (str != NULL)
 442                 connman_dbus_dict_append_variant(&dict, "Type",
 443                                                  DBUS_TYPE_STRING,
 444                                                  &provider->type);
 445
 446         str = state2string(provider->state);
 447         if (str != NULL)
 448                 connman_dbus_dict_append_variant(&dict, "State",
 449                                                  DBUS_TYPE_STRING, &str);
 450
 451         str = error2string(provider->error);
 452         if (str != NULL)
 453                 connman_dbus_dict_append_variant(&dict, "Error",
 454                                                  DBUS_TYPE_STRING, &str);
 455
 456         required = TRUE;
 457         connman_dbus_dict_append_variant(&dict, "PassphraseRequired",
 458                                          DBUS_TYPE_BOOLEAN, &required);
 459
 460         connman_dbus_dict_close(&array, &dict);
 461
 462         return reply;
 463 }
 464
 465 static GDBusMethodTable provider_methods[] = {
 466         { "GetProperties", "", "a{sv}", get_properties },
 467         { },
 468 };
 469
 470 static GDBusSignalTable provider_signals[] = {
 471         { "PropertyChanged", "sv" },
 472         { },
 473 };
 474
 475 int connman_provider_set_connected(struct connman_provider *provider,
 476                                                 connman_bool_t connected)
 477 {
 478         if (connected == TRUE) {
 479                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 480                 struct connman_element *element;
 481
 482                 type = CONNMAN_ELEMENT_TYPE_IPV4;
 483
 484                 element = connman_element_create(NULL);
 485                 if (element != NULL) {
 486                         element->type  = type;
 487                         element->index = provider->element.index;
 488
 489                         connman_provider_setup_vpn_ipv4(provider, element);
 490
 491                         if (connman_element_register(element,
 492                                         &provider->element) < 0)
 493                                 connman_element_unref(element);
 494                         else {
 495                                 char *nameservers = NULL;
 496                                 const char *value;
 497                                 char *name = NULL;
 498
 499                                 DBG("set dns");
 500                                 nameservers = g_strdup(provider->dns);
 501                                 value = nameservers;
 502                                 name = connman_inet_ifname(
 503                                                 provider->element.index);
 504                                 while (value) {
 505                                         char *next = strchr(value, ' ');
 506                                         if (next)
 507                                                 *(next++) = 0;
 508
 509                                         connman_resolver_append(name,
 510                                                         provider->domain,
 511                                                         value);
 512                                         value = next;
 513                                 }
 514                                 DBG("free extra");
 515                                 g_free(nameservers);
 516                                 g_free(name);
 517                         }
 518
 519                 }
 520                 __connman_provider_indicate_state(provider,
 521                                                   CONNMAN_PROVIDER_STATE_READY);
 522         } else {
 523                 reply_pending(provider, ECONNABORTED);
 524                 connman_element_unregister_children(&provider->element);
 525                 __connman_provider_indicate_state(provider,
 526                                         CONNMAN_PROVIDER_STATE_DISCONNECT);
 527         }
 528
 529         return 0;
 530 }
 531
 532 static void provider_free(gpointer user_data)
 533 {
 534         struct connman_provider *provider = user_data;
 535         char *path = provider->path;
 536
 537         DBG("provider %p", provider);
 538
 539         reply_pending(provider, ENOENT);
 540         provider->path = NULL;
 541
 542         if (path != NULL) {
 543                 g_dbus_unregister_interface(connection, path,
 544                                                 CONNMAN_PROVIDER_INTERFACE);
 545                 g_free(path);
 546         }
 547
 548         g_free(provider->name);
 549         g_free(provider->type);
 550         g_free(provider->domain);
 551         g_free(provider->identifier);
 552         g_free(provider->dns);
 553 }
 554
 555 static void unregister_provider(gpointer data)
 556 {
 557         struct connman_provider *provider = data;
 558
 559         DBG("provider %p", provider);
 560
 561         connman_provider_disconnect(provider);
 562
 563         connman_element_unregister(&provider->element);
 564         connman_provider_unref(provider);
 565 }
 566
 567 static void provider_destruct(struct connman_element *element)
 568 {
 569         struct connman_provider *provider = element->private;
 570
 571         provider_free(provider);
 572 }
 573
 574 static void __connman_provider_initialize(struct connman_provider *provider)
 575 {
 576         DBG("provider %p", provider);
 577
 578         provider->state = CONNMAN_PROVIDER_STATE_UNKNOWN;
 579
 580         __connman_element_initialize(&provider->element);
 581
 582         provider->element.private = provider;
 583         provider->element.destruct = provider_destruct;
 584
 585         provider->element.ipv4.address = NULL;
 586         provider->element.ipv4.netmask = NULL;
 587         provider->element.ipv4.gateway = NULL;
 588         provider->element.ipv4.broadcast = NULL;
 589
 590         provider->name = NULL;
 591         provider->type = NULL;
 592         provider->dns = NULL;
 593         provider->domain = NULL;
 594         provider->identifier = NULL;
 595         provider->path = NULL;
 596         provider->pending = NULL;
 597 }
 598
 599 static struct connman_provider *connman_provider_new(void)
 600 {
 601         struct connman_provider *provider;
 602
 603         provider = g_try_new0(struct connman_provider, 1);
 604         if (provider == NULL)
 605                 return NULL;
 606
 607         DBG("provider %p", provider);
 608         __connman_provider_initialize(provider);
 609
 610         return provider;
 611 }
 612
 613 static int provider_register(struct connman_provider *provider)
 614 {
 615         const char *path = "/provider";
 616
 617         DBG("provider %p", provider);
 618
 619         if (provider->path != NULL)
 620                 return -EALREADY;
 621
 622         provider->path = g_strdup_printf("%s/%s", path, provider->identifier);
 623
 624         DBG("path %s", provider->path);
 625
 626         g_dbus_register_interface(connection, provider->path,
 627                                         CONNMAN_PROVIDER_INTERFACE,
 628                                         provider_methods, provider_signals,
 629                                         NULL, provider, NULL);
 630
 631         return 0;
 632 }
 633
 634 static struct connman_provider *connman_provider_get(const char *identifier)
 635 {
 636         struct connman_provider *provider;
 637
 638         provider = g_hash_table_lookup(provider_hash, identifier);
 639         if (provider != NULL)
 640                 return provider;
 641
 642         provider = connman_provider_new();
 643         if (provider == NULL)
 644                 return NULL;
 645
 646         DBG("provider %p", provider);
 647
 648         provider->identifier = g_strdup(identifier);
 649
 650         g_hash_table_insert(provider_hash, provider->identifier, provider);
 651
 652         provider->element.name = g_strdup(identifier);
 653         connman_element_register(&provider->element, NULL);
 654
 655         return provider;
 656 }
 657
 658 static struct connman_provider *connman_provider_create(const char *name)
 659 {
 660         struct connman_provider *provider;
 661
 662         provider = connman_provider_get(name);
 663
 664         if (provider == NULL)
 665                 return NULL;
 666
 667         if (provider->path != NULL)
 668                 return provider;
 669
 670         provider_register(provider);
 671
 672         return provider;
 673 }
 674
 675 int __connman_provider_create_and_connect(DBusMessage *msg)
 676 {
 677         struct connman_provider *provider;
 678         DBusMessageIter iter, array;
 679         const char *type = NULL, *name = NULL;
 680         char *ident;
 681         gboolean created = FALSE;
 682         int err;
 683
 684         dbus_message_iter_init(msg, &iter);
 685         dbus_message_iter_recurse(&iter, &array);
 686
 687         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 688                 DBusMessageIter entry, value;
 689                 const char *key;
 690
 691                 dbus_message_iter_recurse(&array, &entry);
 692                 dbus_message_iter_get_basic(&entry, &key);
 693
 694                 dbus_message_iter_next(&entry);
 695                 dbus_message_iter_recurse(&entry, &value);
 696
 697                 switch (dbus_message_iter_get_arg_type(&value)) {
 698                 case DBUS_TYPE_STRING:
 699                         if (g_str_equal(key, "Type") == TRUE)
 700                                 dbus_message_iter_get_basic(&value, &type);
 701                         else if (g_str_equal(key, "Name") == TRUE)
 702                                 dbus_message_iter_get_basic(&value, &name);
 703                         break;
 704                 }
 705
 706                 if (type != NULL && name != NULL)
 707                         break;
 708
 709                 dbus_message_iter_next(&array);
 710         }
 711
 712         DBG("Type %s name %s", type, name);
 713
 714         if (type == NULL || name == NULL) {
 715                 err = -EOPNOTSUPP;
 716                 goto failed;
 717         }
 718
 719         ident = g_strdup_printf("%s_%s", type, name);
 720
 721         provider = connman_provider_lookup(ident);
 722
 723         if (provider == NULL) {
 724                 created = TRUE;
 725                 provider = connman_provider_create(ident);
 726                 if (provider) {
 727                         provider->name = g_strdup(name);
 728                         provider->type = g_strdup(type);
 729                 }
 730         }
 731
 732         if (provider == NULL) {
 733                 DBG("can not create provider");
 734                 err = -EOPNOTSUPP;
 735                 goto failed;
 736         }
 737         dbus_message_iter_init(msg, &iter);
 738         dbus_message_iter_recurse(&iter, &array);
 739
 740         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 741                 DBusMessageIter entry, value;
 742                 const char *key, *str;
 743
 744                 dbus_message_iter_recurse(&array, &entry);
 745                 dbus_message_iter_get_basic(&entry, &key);
 746
 747                 dbus_message_iter_next(&entry);
 748                 dbus_message_iter_recurse(&entry, &value);
 749
 750                 switch (dbus_message_iter_get_arg_type(&value)) {
 751                 case DBUS_TYPE_STRING:
 752                         dbus_message_iter_get_basic(&value, &str);
 753                         connman_provider_set_string(provider, key, str);
 754                         break;
 755                 }
 756
 757                 dbus_message_iter_next(&array);
 758         }
 759
 760         g_free(ident);
 761
 762         if (provider == NULL) {
 763                 err = -EOPNOTSUPP;
 764                 goto failed;
 765         }
 766
 767         if (created == TRUE)
 768                 provider_probe(provider);
 769
 770         err = connman_provider_connect(provider);
 771         if (err < 0 && err != -EINPROGRESS)
 772                 goto failed;
 773
 774         g_dbus_send_reply(connection, msg,
 775                                 DBUS_TYPE_OBJECT_PATH, &provider->path,
 776                                                         DBUS_TYPE_INVALID);
 777         return 0;
 778
 779 failed:
 780         if (provider != NULL && created == TRUE) {
 781                 DBG("can not connect delete provider");
 782                 connman_provider_unref(provider);
 783         }
 784
 785         return err;
 786 }
 787
 788 int connman_provider_set_string(struct connman_provider *provider,
 789                                         const char *key, const char *value)
 790 {
 791         DBG("provider %p key %s value %s", provider, key, value);
 792
 793         if (g_str_equal(key, "Type") == TRUE) {
 794                 g_free(provider->type);
 795                 provider->type = g_strdup(value);
 796         } else if (g_str_equal(key, "Name") == TRUE) {
 797                 g_free(provider->name);
 798                 provider->name = g_strdup(value);
 799         } else if (g_str_equal(key, "Gateway") == TRUE) {
 800                 g_free(provider->element.ipv4.gateway);
 801                 provider->element.ipv4.gateway = g_strdup(value);
 802         } else if (g_str_equal(key, "Address") == TRUE) {
 803                 g_free(provider->element.ipv4.address);
 804                 provider->element.ipv4.address = g_strdup(value);
 805         } else if (g_str_equal(key, "Netmask") == TRUE) {
 806                 g_free(provider->element.ipv4.netmask);
 807                 provider->element.ipv4.netmask = g_strdup(value);
 808         } else if (g_str_equal(key, "DNS") == TRUE) {
 809                 g_free(provider->dns);
 810                 provider->dns = g_strdup(value);
 811         } else if (g_str_equal(key, "Domain")) {
 812                 g_free(provider->domain);
 813                 provider->domain = g_strdup(value);
 814         }
 815
 816         return connman_element_set_string(&provider->element, key, value);
 817 }
 818
 819 const char *connman_provider_get_string(struct connman_provider *provider,
 820                                                         const char *key)
 821 {
 822         DBG("provider %p key %s", provider, key);
 823
 824         if (g_str_equal(key, "Type") == TRUE)
 825                 return provider->type;
 826         else if (g_str_equal(key, "Name") == TRUE)
 827                 return provider->name;
 828
 829         return connman_element_get_string(&provider->element, key);
 830 }
 831
 832 void *connman_provider_get_data(struct connman_provider *provider)
 833 {
 834         return provider->driver_data;
 835 }
 836
 837 void connman_provider_set_data(struct connman_provider *provider, void *data)
 838 {
 839         provider->driver_data = data;
 840 }
 841
 842 void connman_provider_set_index(struct connman_provider *provider, int index)
 843 {
 844         provider->element.index = index;
 845 }
 846
 847 int connman_provider_get_index(struct connman_provider *provider)
 848 {
 849         return provider->element.index;
 850 }
 851
 852 static gint compare_priority(gconstpointer a, gconstpointer b)
 853 {
 854         return 0;
 855 }
 856
 857 static void clean_provider(gpointer key, gpointer value, gpointer user_data)
 858 {
 859         struct connman_provider *provider = value;
 860
 861         if (provider->driver != NULL && provider->driver->remove)
 862                 provider->driver->remove(provider);
 863 }
 864
 865 int connman_provider_driver_register(struct connman_provider_driver *driver)
 866 {
 867         DBG("driver %p name %s", driver, driver->name);
 868
 869         driver_list = g_slist_insert_sorted(driver_list, driver,
 870                                                         compare_priority);
 871         return 0;
 872 }
 873
 874 void connman_provider_driver_unregister(struct connman_provider_driver *driver)
 875 {
 876         DBG("driver %p name %s", driver, driver->name);
 877
 878         driver_list = g_slist_remove(driver_list, driver);
 879 }
 880
 881 int __connman_provider_init(void)
 882 {
 883         DBG("");
 884
 885         connection = connman_dbus_get_connection();
 886
 887         provider_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
 888                                                 NULL, unregister_provider);
 889         return 0;
 890 }
 891
 892 void __connman_provider_cleanup(void)
 893 {
 894         DBG("");
 895
 896         g_hash_table_foreach(provider_hash, clean_provider, NULL);
 897
 898         g_hash_table_destroy(provider_hash);
 899         provider_hash = NULL;
 900
 901         dbus_connection_unref(connection);
 902 }