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 *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         g_free(element->ipv4.pac);
 136         element->ipv4.pac = g_strdup(provider->element.ipv4.pac);
 137
 138         DBG("VPN exist");
 139 }
 140
 141 struct connman_provider *connman_provider_ref(struct connman_provider *provider)
 142 {
 143         if (connman_element_ref(&provider->element) == NULL)
 144                 return NULL;
 145
 146         return provider;
 147 }
 148
 149 void connman_provider_unref(struct connman_provider *provider)
 150 {
 151         connman_element_unref(&provider->element);
 152 }
 153
 154 static gboolean match_driver(struct connman_provider *provider,
 155                                 struct connman_provider_driver *driver)
 156 {
 157         if (g_strcmp0(driver->name, provider->type) == 0)
 158                 return TRUE;
 159
 160         return FALSE;
 161 }
 162
 163 static int provider_probe(struct connman_provider *provider)
 164 {
 165         GSList *list;
 166
 167         DBG("provider %p name %s", provider, provider->name);
 168
 169         if (provider->driver != NULL)
 170                 return -EALREADY;
 171
 172         for (list = driver_list; list; list = list->next) {
 173                 struct connman_provider_driver *driver = list->data;
 174
 175                 if (match_driver(provider, driver) == FALSE)
 176                         continue;
 177
 178                 DBG("driver %p name %s", driver, driver->name);
 179
 180                 if (driver->probe != NULL && driver->probe(provider) == 0) {
 181                         provider->driver = driver;
 182                         break;
 183                 }
 184         }
 185
 186         if (provider->driver == NULL)
 187                 return -ENODEV;
 188
 189         return 0;
 190 }
 191
 192 static void state_changed(struct connman_provider *provider)
 193 {
 194         const char *str;
 195
 196         str = state2string(provider->state);
 197         if (str == NULL)
 198                 return;
 199
 200         connman_dbus_property_changed_basic(provider->path,
 201                                 CONNMAN_PROVIDER_INTERFACE, "State",
 202                                                 DBUS_TYPE_STRING, &str);
 203 }
 204
 205 static void reply_pending(struct connman_provider *provider, int error)
 206 {
 207         if (provider->timeout > 0) {
 208                 g_source_remove(provider->timeout);
 209                 provider->timeout = 0;
 210         }
 211
 212         if (provider->pending != NULL) {
 213                 if (error > 0) {
 214                         DBusMessage *reply;
 215
 216                         reply = __connman_error_failed(provider->pending,
 217                                                                 error);
 218                         if (reply != NULL)
 219                                 g_dbus_send_message(connection, reply);
 220                 } else
 221                         g_dbus_send_reply(connection, provider->pending,
 222                                                         DBUS_TYPE_INVALID);
 223
 224                 dbus_message_unref(provider->pending);
 225                 provider->pending = NULL;
 226         }
 227 }
 228
 229 static int connman_provider_disconnect(struct connman_provider *provider)
 230 {
 231         int err;
 232
 233         DBG("provider %p", provider);
 234
 235         reply_pending(provider, ECONNABORTED);
 236
 237         if (provider->driver != NULL && provider->driver->disconnect != NULL)
 238                 err = provider->driver->disconnect(provider);
 239         else
 240                 return -EOPNOTSUPP;
 241
 242         __connman_provider_indicate_state(provider,
 243                                         CONNMAN_PROVIDER_STATE_DISCONNECT);
 244         if (err < 0) {
 245                 if (err != -EINPROGRESS)
 246                         return err;
 247
 248                 return -EINPROGRESS;
 249         }
 250
 251         return 0;
 252 }
 253
 254 int __connman_provider_indicate_state(struct connman_provider *provider,
 255                                         enum connman_provider_state state)
 256 {
 257         DBG("provider %p state %d", provider, state);
 258
 259         if (provider == NULL)
 260                 return -EINVAL;
 261
 262         if (provider->state == state)
 263                 return -EALREADY;
 264
 265         if (provider->state == CONNMAN_PROVIDER_STATE_FAILURE &&
 266                                 state == CONNMAN_PROVIDER_STATE_IDLE)
 267                 return -EINVAL;
 268
 269         if (provider->state == CONNMAN_PROVIDER_STATE_IDLE &&
 270                                 state == CONNMAN_PROVIDER_STATE_DISCONNECT)
 271                 return -EINVAL;
 272
 273         if (state == CONNMAN_PROVIDER_STATE_IDLE &&
 274                         provider->state != CONNMAN_PROVIDER_STATE_DISCONNECT) {
 275                 provider->state = CONNMAN_PROVIDER_STATE_DISCONNECT;
 276                 state_changed(provider);
 277
 278                 connman_provider_disconnect(provider);
 279         }
 280
 281         provider->state = state;
 282         state_changed(provider);
 283
 284         if (state == CONNMAN_PROVIDER_STATE_READY)
 285                 reply_pending(provider, 0);
 286
 287         if (state == CONNMAN_PROVIDER_STATE_FAILURE)
 288                 reply_pending(provider, EIO);
 289         else
 290                 provider->error = CONNMAN_PROVIDER_ERROR_UNKNOWN;
 291
 292         return 0;
 293 }
 294
 295 int __connman_provider_indicate_error(struct connman_provider *provider,
 296                                       enum connman_provider_error error)
 297 {
 298         DBG("provider %p error %d", provider, error);
 299
 300         if (provider == NULL)
 301                 return -EINVAL;
 302
 303         provider->error = error;
 304
 305         return __connman_provider_indicate_state(provider,
 306                                         CONNMAN_PROVIDER_STATE_FAILURE);
 307 }
 308
 309 static gboolean connect_timeout(gpointer user_data)
 310 {
 311         struct connman_provider *provider = user_data;
 312
 313         DBG("provider %p", provider);
 314
 315         provider->timeout = 0;
 316
 317         if (provider->pending != NULL) {
 318                 DBusMessage *reply;
 319
 320                 reply = __connman_error_operation_timeout(provider->pending);
 321                 if (reply != NULL)
 322                         g_dbus_send_message(connection, reply);
 323
 324                 dbus_message_unref(provider->pending);
 325                 provider->pending = NULL;
 326         }
 327
 328         __connman_provider_indicate_error(provider,
 329                                 CONNMAN_PROVIDER_ERROR_CONNECT_FAILED);
 330
 331         return FALSE;
 332 }
 333
 334 static connman_bool_t is_connecting(struct connman_provider *provider)
 335 {
 336         switch (provider->state) {
 337         case CONNMAN_PROVIDER_STATE_UNKNOWN:
 338         case CONNMAN_PROVIDER_STATE_IDLE:
 339         case CONNMAN_PROVIDER_STATE_FAILURE:
 340         case CONNMAN_PROVIDER_STATE_DISCONNECT:
 341         case CONNMAN_PROVIDER_STATE_READY:
 342                 break;
 343         case CONNMAN_PROVIDER_STATE_CONNECT:
 344                 return TRUE;
 345         }
 346
 347         return FALSE;
 348 }
 349
 350 static int connman_provider_connect(struct connman_provider *provider)
 351 {
 352         int err;
 353
 354         DBG("provider %p", provider);
 355
 356         if (provider->state == CONNMAN_PROVIDER_STATE_READY)
 357                 return -EISCONN;
 358
 359         if (is_connecting(provider) == TRUE)
 360                 return -EALREADY;
 361
 362         g_free(provider->element.ipv4.address);
 363         g_free(provider->element.ipv4.netmask);
 364         g_free(provider->element.ipv4.gateway);
 365         g_free(provider->element.ipv4.broadcast);
 366         g_free(provider->element.ipv4.pac);
 367
 368         provider->element.ipv4.address = NULL;
 369         provider->element.ipv4.netmask = NULL;
 370         provider->element.ipv4.gateway = NULL;
 371         provider->element.ipv4.broadcast = NULL;
 372         provider->element.ipv4.pac = NULL;
 373
 374         if (provider->driver != NULL && provider->driver->connect != NULL)
 375                 err = provider->driver->connect(provider);
 376         else
 377                 return -EOPNOTSUPP;
 378
 379         if (err < 0) {
 380                 if (err != -EINPROGRESS)
 381                         return err;
 382
 383                 provider->timeout = g_timeout_add_seconds(60,
 384                                         connect_timeout, provider);
 385
 386                 __connman_provider_indicate_state(provider,
 387                                         CONNMAN_PROVIDER_STATE_CONNECT);
 388                 return -EINPROGRESS;
 389         }
 390
 391         return 0;
 392 }
 393
 394 int __connman_provider_remove(const char *path)
 395 {
 396         struct connman_provider *provider;
 397
 398         DBG("path %s", path);
 399
 400         provider = g_hash_table_lookup(provider_hash, path);
 401         if (provider == NULL) {
 402                 DBG("patch %s not found", path);
 403                 return -ENXIO;
 404         }
 405
 406         g_hash_table_remove(provider_hash, path);
 407
 408         return 0;
 409 }
 410
 411 static DBusMessage *get_properties(DBusConnection *conn,
 412                                         DBusMessage *msg, void *user_data)
 413 {
 414         struct connman_provider *provider = user_data;
 415         DBusMessage *reply;
 416         DBusMessageIter array, dict;
 417         dbus_bool_t required;
 418         const char *str;
 419
 420         DBG("provider %p", provider);
 421
 422         reply = dbus_message_new_method_return(msg);
 423         if (reply == NULL)
 424                 return NULL;
 425
 426         dbus_message_iter_init_append(reply, &array);
 427
 428         connman_dbus_dict_open(&array, &dict);
 429
 430         if (provider->name != NULL)
 431                 connman_dbus_dict_append_basic(&dict, "Name",
 432                                         DBUS_TYPE_STRING, &provider->name);
 433
 434         if (str != NULL)
 435                 connman_dbus_dict_append_basic(&dict, "Type",
 436                                                  DBUS_TYPE_STRING,
 437                                                  &provider->type);
 438
 439         str = state2string(provider->state);
 440         if (str != NULL)
 441                 connman_dbus_dict_append_basic(&dict, "State",
 442                                                  DBUS_TYPE_STRING, &str);
 443
 444         str = error2string(provider->error);
 445         if (str != NULL)
 446                 connman_dbus_dict_append_basic(&dict, "Error",
 447                                                  DBUS_TYPE_STRING, &str);
 448
 449         required = TRUE;
 450         connman_dbus_dict_append_basic(&dict, "PassphraseRequired",
 451                                          DBUS_TYPE_BOOLEAN, &required);
 452
 453         connman_dbus_dict_close(&array, &dict);
 454
 455         return reply;
 456 }
 457
 458 static GDBusMethodTable provider_methods[] = {
 459         { "GetProperties", "", "a{sv}", get_properties },
 460         { },
 461 };
 462
 463 static GDBusSignalTable provider_signals[] = {
 464         { "PropertyChanged", "sv" },
 465         { },
 466 };
 467
 468 int connman_provider_set_connected(struct connman_provider *provider,
 469                                                 connman_bool_t connected)
 470 {
 471         if (connected == TRUE) {
 472                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 473                 struct connman_element *element;
 474
 475                 type = CONNMAN_ELEMENT_TYPE_IPV4;
 476
 477                 element = connman_element_create(NULL);
 478                 if (element != NULL) {
 479                         element->type  = type;
 480                         element->index = provider->element.index;
 481
 482                         connman_provider_setup_vpn_ipv4(provider, element);
 483
 484                         if (connman_element_register(element,
 485                                         &provider->element) < 0)
 486                                 connman_element_unref(element);
 487                         else {
 488                                 char *nameservers = NULL;
 489                                 const char *value;
 490                                 char *name = NULL;
 491
 492                                 DBG("set dns");
 493                                 nameservers = g_strdup(provider->dns);
 494                                 value = nameservers;
 495                                 name = connman_inet_ifname(
 496                                                 provider->element.index);
 497                                 while (value) {
 498                                         char *next = strchr(value, ' ');
 499                                         if (next)
 500                                                 *(next++) = 0;
 501
 502                                         connman_resolver_append(name,
 503                                                         provider->domain,
 504                                                         value);
 505                                         value = next;
 506                                 }
 507                                 DBG("free extra");
 508                                 g_free(nameservers);
 509                                 g_free(name);
 510                         }
 511
 512                 }
 513                 __connman_provider_indicate_state(provider,
 514                                                   CONNMAN_PROVIDER_STATE_READY);
 515         } else {
 516                 reply_pending(provider, ECONNABORTED);
 517                 connman_element_unregister_children(&provider->element);
 518                 __connman_provider_indicate_state(provider,
 519                                         CONNMAN_PROVIDER_STATE_DISCONNECT);
 520         }
 521
 522         return 0;
 523 }
 524
 525 static void provider_free(gpointer user_data)
 526 {
 527         struct connman_provider *provider = user_data;
 528         char *path = provider->path;
 529
 530         DBG("provider %p", provider);
 531
 532         reply_pending(provider, ENOENT);
 533         provider->path = NULL;
 534
 535         if (path != NULL) {
 536                 g_dbus_unregister_interface(connection, path,
 537                                                 CONNMAN_PROVIDER_INTERFACE);
 538                 g_free(path);
 539         }
 540
 541         g_free(provider->name);
 542         g_free(provider->type);
 543         g_free(provider->domain);
 544         g_free(provider->identifier);
 545         g_free(provider->dns);
 546 }
 547
 548 static void unregister_provider(gpointer data)
 549 {
 550         struct connman_provider *provider = data;
 551
 552         DBG("provider %p", provider);
 553
 554         connman_provider_disconnect(provider);
 555
 556         connman_element_unregister(&provider->element);
 557         connman_provider_unref(provider);
 558 }
 559
 560 static void provider_destruct(struct connman_element *element)
 561 {
 562         struct connman_provider *provider = element->private;
 563
 564         provider_free(provider);
 565 }
 566
 567 static void __connman_provider_initialize(struct connman_provider *provider)
 568 {
 569         DBG("provider %p", provider);
 570
 571         provider->state = CONNMAN_PROVIDER_STATE_UNKNOWN;
 572
 573         __connman_element_initialize(&provider->element);
 574
 575         provider->element.private = provider;
 576         provider->element.destruct = provider_destruct;
 577
 578         provider->element.ipv4.address = NULL;
 579         provider->element.ipv4.netmask = NULL;
 580         provider->element.ipv4.gateway = NULL;
 581         provider->element.ipv4.broadcast = NULL;
 582         provider->element.ipv4.pac = NULL;
 583
 584         provider->name = NULL;
 585         provider->type = NULL;
 586         provider->dns = NULL;
 587         provider->domain = NULL;
 588         provider->identifier = NULL;
 589         provider->path = NULL;
 590         provider->pending = NULL;
 591 }
 592
 593 static struct connman_provider *connman_provider_new(void)
 594 {
 595         struct connman_provider *provider;
 596
 597         provider = g_try_new0(struct connman_provider, 1);
 598         if (provider == NULL)
 599                 return NULL;
 600
 601         DBG("provider %p", provider);
 602         __connman_provider_initialize(provider);
 603
 604         return provider;
 605 }
 606
 607 static int provider_register(struct connman_provider *provider)
 608 {
 609         const char *path = "/provider";
 610
 611         DBG("provider %p", provider);
 612
 613         if (provider->path != NULL)
 614                 return -EALREADY;
 615
 616         provider->path = g_strdup_printf("%s/%s", path, provider->identifier);
 617
 618         DBG("path %s", provider->path);
 619
 620         g_dbus_register_interface(connection, provider->path,
 621                                         CONNMAN_PROVIDER_INTERFACE,
 622                                         provider_methods, provider_signals,
 623                                         NULL, provider, NULL);
 624
 625         return 0;
 626 }
 627
 628 static struct connman_provider *connman_provider_get(const char *identifier)
 629 {
 630         struct connman_provider *provider;
 631
 632         provider = g_hash_table_lookup(provider_hash, identifier);
 633         if (provider != NULL)
 634                 return provider;
 635
 636         provider = connman_provider_new();
 637         if (provider == NULL)
 638                 return NULL;
 639
 640         DBG("provider %p", provider);
 641
 642         provider->identifier = g_strdup(identifier);
 643
 644         g_hash_table_insert(provider_hash, provider->identifier, provider);
 645
 646         provider->element.name = g_strdup(identifier);
 647         connman_element_register(&provider->element, NULL);
 648
 649         return provider;
 650 }
 651
 652 static struct connman_provider *connman_provider_create(const char *name)
 653 {
 654         struct connman_provider *provider;
 655
 656         provider = connman_provider_get(name);
 657
 658         if (provider == NULL)
 659                 return NULL;
 660
 661         if (provider->path != NULL)
 662                 return provider;
 663
 664         provider_register(provider);
 665
 666         return provider;
 667 }
 668
 669 int __connman_provider_create_and_connect(DBusMessage *msg)
 670 {
 671         struct connman_provider *provider;
 672         DBusMessageIter iter, array;
 673         const char *type = NULL, *name = NULL;
 674         char *ident;
 675         gboolean created = FALSE;
 676         int err;
 677
 678         dbus_message_iter_init(msg, &iter);
 679         dbus_message_iter_recurse(&iter, &array);
 680
 681         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 682                 DBusMessageIter entry, value;
 683                 const char *key;
 684
 685                 dbus_message_iter_recurse(&array, &entry);
 686                 dbus_message_iter_get_basic(&entry, &key);
 687
 688                 dbus_message_iter_next(&entry);
 689                 dbus_message_iter_recurse(&entry, &value);
 690
 691                 switch (dbus_message_iter_get_arg_type(&value)) {
 692                 case DBUS_TYPE_STRING:
 693                         if (g_str_equal(key, "Type") == TRUE)
 694                                 dbus_message_iter_get_basic(&value, &type);
 695                         else if (g_str_equal(key, "Name") == TRUE)
 696                                 dbus_message_iter_get_basic(&value, &name);
 697                         break;
 698                 }
 699
 700                 if (type != NULL && name != NULL)
 701                         break;
 702
 703                 dbus_message_iter_next(&array);
 704         }
 705
 706         DBG("Type %s name %s", type, name);
 707
 708         if (type == NULL || name == NULL) {
 709                 err = -EOPNOTSUPP;
 710                 goto failed;
 711         }
 712
 713         ident = g_strdup_printf("%s_%s", type, name);
 714
 715         provider = connman_provider_lookup(ident);
 716
 717         if (provider == NULL) {
 718                 created = TRUE;
 719                 provider = connman_provider_create(ident);
 720                 if (provider) {
 721                         provider->name = g_strdup(name);
 722                         provider->type = g_strdup(type);
 723                 }
 724         }
 725
 726         if (provider == NULL) {
 727                 DBG("can not create provider");
 728                 err = -EOPNOTSUPP;
 729                 goto failed;
 730         }
 731         dbus_message_iter_init(msg, &iter);
 732         dbus_message_iter_recurse(&iter, &array);
 733
 734         while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {
 735                 DBusMessageIter entry, value;
 736                 const char *key, *str;
 737
 738                 dbus_message_iter_recurse(&array, &entry);
 739                 dbus_message_iter_get_basic(&entry, &key);
 740
 741                 dbus_message_iter_next(&entry);
 742                 dbus_message_iter_recurse(&entry, &value);
 743
 744                 switch (dbus_message_iter_get_arg_type(&value)) {
 745                 case DBUS_TYPE_STRING:
 746                         dbus_message_iter_get_basic(&value, &str);
 747                         connman_provider_set_string(provider, key, str);
 748                         break;
 749                 }
 750
 751                 dbus_message_iter_next(&array);
 752         }
 753
 754         g_free(ident);
 755
 756         if (provider == NULL) {
 757                 err = -EOPNOTSUPP;
 758                 goto failed;
 759         }
 760
 761         if (created == TRUE)
 762                 provider_probe(provider);
 763
 764         err = connman_provider_connect(provider);
 765         if (err < 0 && err != -EINPROGRESS)
 766                 goto failed;
 767
 768         g_dbus_send_reply(connection, msg,
 769                                 DBUS_TYPE_OBJECT_PATH, &provider->path,
 770                                                         DBUS_TYPE_INVALID);
 771         return 0;
 772
 773 failed:
 774         if (provider != NULL && created == TRUE) {
 775                 DBG("can not connect delete provider");
 776                 connman_provider_unref(provider);
 777         }
 778
 779         return err;
 780 }
 781
 782 int connman_provider_set_string(struct connman_provider *provider,
 783                                         const char *key, const char *value)
 784 {
 785         DBG("provider %p key %s value %s", provider, key, value);
 786
 787         if (g_str_equal(key, "Type") == TRUE) {
 788                 g_free(provider->type);
 789                 provider->type = g_strdup(value);
 790         } else if (g_str_equal(key, "Name") == TRUE) {
 791                 g_free(provider->name);
 792                 provider->name = g_strdup(value);
 793         } else if (g_str_equal(key, "Gateway") == TRUE) {
 794                 g_free(provider->element.ipv4.gateway);
 795                 provider->element.ipv4.gateway = g_strdup(value);
 796         } else if (g_str_equal(key, "Address") == TRUE) {
 797                 g_free(provider->element.ipv4.address);
 798                 provider->element.ipv4.address = g_strdup(value);
 799         } else if (g_str_equal(key, "Netmask") == TRUE) {
 800                 g_free(provider->element.ipv4.netmask);
 801                 provider->element.ipv4.netmask = g_strdup(value);
 802         } else if (g_str_equal(key, "PAC") == TRUE) {
 803                 g_free(provider->element.ipv4.pac);
 804                 provider->element.ipv4.pac = g_strdup(value);
 805         } else if (g_str_equal(key, "DNS") == TRUE) {
 806                 g_free(provider->dns);
 807                 provider->dns = g_strdup(value);
 808         } else if (g_str_equal(key, "Domain") == TRUE) {
 809                 g_free(provider->domain);
 810                 provider->domain = g_strdup(value);
 811         }
 812
 813         return connman_element_set_string(&provider->element, key, value);
 814 }
 815
 816 const char *connman_provider_get_string(struct connman_provider *provider,
 817                                                         const char *key)
 818 {
 819         DBG("provider %p key %s", provider, key);
 820
 821         if (g_str_equal(key, "Type") == TRUE)
 822                 return provider->type;
 823         else if (g_str_equal(key, "Name") == TRUE)
 824                 return provider->name;
 825
 826         return connman_element_get_string(&provider->element, key);
 827 }
 828
 829 void *connman_provider_get_data(struct connman_provider *provider)
 830 {
 831         return provider->driver_data;
 832 }
 833
 834 void connman_provider_set_data(struct connman_provider *provider, void *data)
 835 {
 836         provider->driver_data = data;
 837 }
 838
 839 void connman_provider_set_index(struct connman_provider *provider, int index)
 840 {
 841         provider->element.index = index;
 842 }
 843
 844 int connman_provider_get_index(struct connman_provider *provider)
 845 {
 846         return provider->element.index;
 847 }
 848
 849 static gint compare_priority(gconstpointer a, gconstpointer b)
 850 {
 851         return 0;
 852 }
 853
 854 static void clean_provider(gpointer key, gpointer value, gpointer user_data)
 855 {
 856         struct connman_provider *provider = value;
 857
 858         if (provider->driver != NULL && provider->driver->remove)
 859                 provider->driver->remove(provider);
 860 }
 861
 862 int connman_provider_driver_register(struct connman_provider_driver *driver)
 863 {
 864         DBG("driver %p name %s", driver, driver->name);
 865
 866         driver_list = g_slist_insert_sorted(driver_list, driver,
 867                                                         compare_priority);
 868         return 0;
 869 }
 870
 871 void connman_provider_driver_unregister(struct connman_provider_driver *driver)
 872 {
 873         DBG("driver %p name %s", driver, driver->name);
 874
 875         driver_list = g_slist_remove(driver_list, driver);
 876 }
 877
 878 int __connman_provider_init(void)
 879 {
 880         DBG("");
 881
 882         connection = connman_dbus_get_connection();
 883
 884         provider_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
 885                                                 NULL, unregister_provider);
 886         return 0;
 887 }
 888
 889 void __connman_provider_cleanup(void)
 890 {
 891         DBG("");
 892
 893         g_hash_table_foreach(provider_hash, clean_provider, NULL);
 894
 895         g_hash_table_destroy(provider_hash);
 896         provider_hash = NULL;
 897
 898         dbus_connection_unref(connection);
 899 }