src/network.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 <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 static unsigned int hidden_counter = 0;
  34
  35 struct connman_network {
  36         struct connman_element element;
  37         enum connman_network_type type;
  38         enum connman_network_protocol protocol;
  39         connman_bool_t secondary;
  40         connman_bool_t available;
  41         connman_bool_t connected;
  42         connman_bool_t roaming;
  43         connman_bool_t hidden;
  44         connman_uint8_t strength;
  45         connman_uint16_t frequency;
  46         char *identifier;
  47         char *address;
  48         char *name;
  49         char *node;
  50         char *group;
  51         struct connman_ipconfig *ipconfig;
  52
  53         struct connman_network_driver *driver;
  54         void *driver_data;
  55
  56         connman_bool_t registered;
  57         connman_bool_t connecting;
  58         connman_bool_t associating;
  59
  60         struct connman_device *device;
  61
  62         struct {
  63                 void *ssid;
  64                 int ssid_len;
  65                 char *mode;
  66                 unsigned short channel;
  67                 char *security;
  68                 char *passphrase;
  69         } wifi;
  70 };
  71
  72 static const char *type2string(enum connman_network_type type)
  73 {
  74         switch (type) {
  75         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  76         case CONNMAN_NETWORK_TYPE_VENDOR:
  77                 break;
  78         case CONNMAN_NETWORK_TYPE_ETHERNET:
  79                 return "ethernet";
  80         case CONNMAN_NETWORK_TYPE_WIFI:
  81                 return "wifi";
  82         case CONNMAN_NETWORK_TYPE_WIMAX:
  83                 return "wimax";
  84         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  85         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  86                 return "bluetooth";
  87         case CONNMAN_NETWORK_TYPE_CELLULAR:
  88         case CONNMAN_NETWORK_TYPE_MBM:
  89         case CONNMAN_NETWORK_TYPE_HSO:
  90                 return "cellular";
  91         }
  92
  93         return NULL;
  94 }
  95
  96 static DBusMessage *get_properties(DBusConnection *conn,
  97                                         DBusMessage *msg, void *data)
  98 {
  99         struct connman_network *network = data;
 100         DBusMessage *reply;
 101         DBusMessageIter array, dict;
 102
 103         DBG("conn %p", conn);
 104
 105         if (__connman_security_check_privilege(msg,
 106                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 107                 return __connman_error_permission_denied(msg);
 108
 109         reply = dbus_message_new_method_return(msg);
 110         if (reply == NULL)
 111                 return NULL;
 112
 113         dbus_message_iter_init_append(reply, &array);
 114
 115         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 116                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 117                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 118                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 119
 120         if (network->device) {
 121                 const char *path = connman_device_get_path(network->device);
 122                 if (path != NULL)
 123                         connman_dbus_dict_append_variant(&dict, "Device",
 124                                                 DBUS_TYPE_OBJECT_PATH, &path);
 125         }
 126
 127         if (network->address != NULL)
 128                 connman_dbus_dict_append_variant(&dict, "Address",
 129                                         DBUS_TYPE_STRING, &network->address);
 130
 131         if (network->name != NULL)
 132                 connman_dbus_dict_append_variant(&dict, "Name",
 133                                         DBUS_TYPE_STRING, &network->name);
 134
 135         connman_dbus_dict_append_variant(&dict, "Connected",
 136                                 DBUS_TYPE_BOOLEAN, &network->connected);
 137
 138         if (network->strength > 0)
 139                 connman_dbus_dict_append_variant(&dict, "Strength",
 140                                         DBUS_TYPE_BYTE, &network->strength);
 141
 142         if (network->frequency > 0)
 143                 connman_dbus_dict_append_variant(&dict, "Frequency",
 144                                         DBUS_TYPE_UINT16, &network->frequency);
 145
 146         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 147                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 148                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 149                                                 network->wifi.ssid_len);
 150
 151         if (network->wifi.mode != NULL)
 152                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 153                                 DBUS_TYPE_STRING, &network->wifi.mode);
 154
 155         if (network->wifi.channel > 0)
 156                 connman_dbus_dict_append_variant(&dict, "WiFi.Channel",
 157                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 158
 159         if (network->wifi.security != NULL)
 160                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 161                                 DBUS_TYPE_STRING, &network->wifi.security);
 162
 163         if (network->wifi.passphrase != NULL &&
 164                         __connman_security_check_privilege(msg,
 165                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 166                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 167                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 168
 169         dbus_message_iter_close_container(&array, &dict);
 170
 171         return reply;
 172 }
 173
 174 static GDBusMethodTable network_methods[] = {
 175         { "GetProperties", "",   "a{sv}", get_properties },
 176         { },
 177 };
 178
 179 static GDBusSignalTable network_signals[] = {
 180         { "PropertyChanged", "sv" },
 181         { },
 182 };
 183
 184 static DBusConnection *connection;
 185
 186 static void append_networks(struct connman_device *device,
 187                                                 DBusMessageIter *entry)
 188 {
 189         DBusMessageIter value, iter;
 190         const char *key = "Networks";
 191
 192         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 193
 194         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 195                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 196                                                                 &value);
 197
 198         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 199                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 200         __connman_element_list((struct connman_element *) device,
 201                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 202         dbus_message_iter_close_container(&value, &iter);
 203
 204         dbus_message_iter_close_container(entry, &value);
 205 }
 206
 207 static void emit_networks_signal(struct connman_device *device)
 208 {
 209         const char *path = connman_device_get_path(device);
 210         DBusMessage *signal;
 211         DBusMessageIter entry;
 212
 213         signal = dbus_message_new_signal(path,
 214                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 215         if (signal == NULL)
 216                 return;
 217
 218         dbus_message_iter_init_append(signal, &entry);
 219
 220         append_networks(device, &entry);
 221
 222         g_dbus_send_message(connection, signal);
 223 }
 224
 225 static int register_interface(struct connman_element *element)
 226 {
 227         struct connman_network *network = element->network;
 228
 229         DBG("element %p name %s", element, element->name);
 230
 231         if (g_dbus_register_interface(connection, element->path,
 232                                         CONNMAN_NETWORK_INTERFACE,
 233                                         network_methods, network_signals,
 234                                         NULL, network, NULL) == FALSE) {
 235                 connman_error("Failed to register %s network", element->path);
 236                 return -EIO;
 237         }
 238
 239         network->registered = TRUE;
 240
 241         emit_networks_signal(network->device);
 242
 243         return 0;
 244 }
 245
 246 static void unregister_interface(struct connman_element *element)
 247 {
 248         struct connman_network * network = element->network;
 249
 250         DBG("element %p name %s", element, element->name);
 251
 252         network->registered = FALSE;
 253
 254         emit_networks_signal(network->device);
 255
 256         g_dbus_unregister_interface(connection, element->path,
 257                                                 CONNMAN_NETWORK_INTERFACE);
 258 }
 259
 260 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 261 {
 262         if (network == NULL || network->driver == NULL)
 263                 return FALSE;
 264
 265         return network->registered;
 266 }
 267
 268 static GSList *driver_list = NULL;
 269
 270 static gint compare_priority(gconstpointer a, gconstpointer b)
 271 {
 272         const struct connman_network_driver *driver1 = a;
 273         const struct connman_network_driver *driver2 = b;
 274
 275         return driver2->priority - driver1->priority;
 276 }
 277
 278 /**
 279  * connman_network_driver_register:
 280  * @driver: network driver definition
 281  *
 282  * Register a new network driver
 283  *
 284  * Returns: %0 on success
 285  */
 286 int connman_network_driver_register(struct connman_network_driver *driver)
 287 {
 288         DBG("driver %p name %s", driver, driver->name);
 289
 290         driver_list = g_slist_insert_sorted(driver_list, driver,
 291                                                         compare_priority);
 292
 293         return 0;
 294 }
 295
 296 /**
 297  * connman_network_driver_unregister:
 298  * @driver: network driver definition
 299  *
 300  * Remove a previously registered network driver
 301  */
 302 void connman_network_driver_unregister(struct connman_network_driver *driver)
 303 {
 304         DBG("driver %p name %s", driver, driver->name);
 305
 306         driver_list = g_slist_remove(driver_list, driver);
 307 }
 308
 309 static void network_destruct(struct connman_element *element)
 310 {
 311         struct connman_network *network = element->network;
 312
 313         DBG("element %p name %s", element, element->name);
 314
 315         g_free(network->wifi.ssid);
 316         g_free(network->wifi.mode);
 317         g_free(network->wifi.security);
 318         g_free(network->wifi.passphrase);
 319
 320         g_free(network->group);
 321         g_free(network->node);
 322         g_free(network->name);
 323         g_free(network->address);
 324         g_free(network->identifier);
 325
 326         if (network->ipconfig) {
 327                 connman_ipconfig_unref(network->ipconfig);
 328                 network->ipconfig = NULL;
 329         }
 330 }
 331
 332 /**
 333  * connman_network_create:
 334  * @identifier: network identifier (for example an unqiue name)
 335  *
 336  * Allocate a new network and assign the #identifier to it.
 337  *
 338  * Returns: a newly-allocated #connman_network structure
 339  */
 340 struct connman_network *connman_network_create(const char *identifier,
 341                                                 enum connman_network_type type)
 342 {
 343         struct connman_network *network;
 344         connman_uint8_t strength = 0;
 345         const char *str;
 346         char *temp;
 347
 348         DBG("identifier %s type %d", identifier, type);
 349
 350         network = g_try_new0(struct connman_network, 1);
 351         if (network == NULL)
 352                 return NULL;
 353
 354         DBG("network %p", network);
 355
 356         __connman_element_initialize(&network->element);
 357
 358         //temp = connman_dbus_encode_string(identifier);
 359         if (identifier == NULL) {
 360                 temp = g_strdup_printf("hidden_%d", hidden_counter++);
 361                 network->hidden = TRUE;
 362         } else
 363                 temp = g_strdup(identifier);
 364
 365         if (temp == NULL) {
 366                 g_free(network);
 367                 return NULL;
 368         }
 369
 370         network->element.name = temp;
 371         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 372
 373         network->element.network = network;
 374         network->element.destruct = network_destruct;
 375
 376         str = type2string(type);
 377         if (str != NULL)
 378                 connman_element_set_string(&network->element, "Type", str);
 379
 380         connman_element_set_uint8(&network->element, "Strength", strength);
 381
 382         network->type       = type;
 383         network->secondary  = FALSE;
 384         network->identifier = g_strdup(temp);
 385
 386         return network;
 387 }
 388
 389 /**
 390  * connman_network_ref:
 391  * @network: network structure
 392  *
 393  * Increase reference counter of  network
 394  */
 395 struct connman_network *connman_network_ref(struct connman_network *network)
 396 {
 397         if (connman_element_ref(&network->element) == NULL)
 398                 return NULL;
 399
 400         return network;
 401 }
 402
 403 /**
 404  * connman_network_unref:
 405  * @network: network structure
 406  *
 407  * Decrease reference counter of network
 408  */
 409 void connman_network_unref(struct connman_network *network)
 410 {
 411         connman_element_unref(&network->element);
 412 }
 413
 414 const char *__connman_network_get_type(struct connman_network *network)
 415 {
 416         return type2string(network->type);
 417 }
 418
 419 /**
 420  * connman_network_get_type:
 421  * @network: network structure
 422  *
 423  * Get type of network
 424  */
 425 enum connman_network_type connman_network_get_type(struct connman_network *network)
 426 {
 427         return network->type;
 428 }
 429
 430 /**
 431  * connman_network_get_identifier:
 432  * @network: network structure
 433  *
 434  * Get identifier of network
 435  */
 436 const char *connman_network_get_identifier(struct connman_network *network)
 437 {
 438         return network->identifier;
 439 }
 440
 441 /**
 442  * connman_network_get_path:
 443  * @network: network structure
 444  *
 445  * Get path name of network
 446  */
 447 const char *connman_network_get_path(struct connman_network *network)
 448 {
 449         return network->element.path;
 450 }
 451
 452 /**
 453  * connman_network_set_index:
 454  * @network: network structure
 455  * @index: index number
 456  *
 457  * Set index number of network
 458  */
 459 void connman_network_set_index(struct connman_network *network, int index)
 460 {
 461         network->element.index = index;
 462 }
 463
 464 /**
 465  * connman_network_get_index:
 466  * @network: network structure
 467  *
 468  * Get index number of network
 469  */
 470 int connman_network_get_index(struct connman_network *network)
 471 {
 472         return network->element.index;
 473 }
 474
 475 /**
 476  * connman_network_set_protocol:
 477  * @network: network structure
 478  * @protocol: network protocol
 479  *
 480  * Change protocol of network
 481  */
 482 void connman_network_set_protocol(struct connman_network *network,
 483                                         enum connman_network_protocol protocol)
 484 {
 485         network->protocol = protocol;
 486 }
 487
 488 /**
 489  * connman_network_set_group:
 490  * @network: network structure
 491  * @group: group name
 492  *
 493  * Set group name for automatic clustering
 494  */
 495 void connman_network_set_group(struct connman_network *network,
 496                                                         const char *group)
 497 {
 498         if (network->secondary == TRUE)
 499                 return;
 500
 501         switch (network->type) {
 502         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 503         case CONNMAN_NETWORK_TYPE_VENDOR:
 504                 return;
 505         case CONNMAN_NETWORK_TYPE_ETHERNET:
 506         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 507         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 508         case CONNMAN_NETWORK_TYPE_CELLULAR:
 509         case CONNMAN_NETWORK_TYPE_MBM:
 510         case CONNMAN_NETWORK_TYPE_HSO:
 511         case CONNMAN_NETWORK_TYPE_WIFI:
 512         case CONNMAN_NETWORK_TYPE_WIMAX:
 513                 break;
 514         }
 515
 516         if (g_strcmp0(network->group, group) == 0) {
 517                 if (group != NULL)
 518                         __connman_profile_update_network(network);
 519                 return;
 520         }
 521
 522         if (network->group != NULL) {
 523                 __connman_profile_remove_network(network);
 524
 525                 g_free(network->group);
 526         }
 527
 528         network->group = g_strdup(group);
 529
 530         if (network->group != NULL)
 531                 __connman_profile_add_network(network);
 532 }
 533
 534 /**
 535  * connman_network_get_group:
 536  * @network: network structure
 537  *
 538  * Get group name for automatic clustering
 539  */
 540 const char *connman_network_get_group(struct connman_network *network)
 541 {
 542         return network->group;
 543 }
 544
 545 const char *__connman_network_get_ident(struct connman_network *network)
 546 {
 547         if (network->device == NULL)
 548                 return NULL;
 549
 550         return __connman_device_get_ident(network->device);
 551 }
 552
 553 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 554 {
 555         if (network->secondary == TRUE)
 556                 return FALSE;
 557
 558         switch (network->type) {
 559         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 560         case CONNMAN_NETWORK_TYPE_VENDOR:
 561         case CONNMAN_NETWORK_TYPE_ETHERNET:
 562         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 563         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 564         case CONNMAN_NETWORK_TYPE_CELLULAR:
 565         case CONNMAN_NETWORK_TYPE_MBM:
 566         case CONNMAN_NETWORK_TYPE_HSO:
 567         case CONNMAN_NETWORK_TYPE_WIMAX:
 568                 break;
 569         case CONNMAN_NETWORK_TYPE_WIFI:
 570                 if (network->strength > 0 && network->strength < 20)
 571                         return TRUE;
 572                 break;
 573         }
 574
 575         return FALSE;
 576 }
 577
 578 connman_bool_t __connman_network_get_connecting(struct connman_network *network)
 579 {
 580         return network->connecting;
 581 }
 582
 583 /**
 584  * connman_network_set_available:
 585  * @network: network structure
 586  * @available: availability state
 587  *
 588  * Change availability state of network (in range)
 589  */
 590 int connman_network_set_available(struct connman_network *network,
 591                                                 connman_bool_t available)
 592 {
 593         DBG("network %p available %d", network, available);
 594
 595         if (network->available == available)
 596                 return -EALREADY;
 597
 598         network->available = available;
 599
 600         return 0;
 601 }
 602
 603 /**
 604  * connman_network_get_available:
 605  * @network: network structure
 606  *
 607  * Get network available setting
 608  */
 609 connman_bool_t connman_network_get_available(struct connman_network *network)
 610 {
 611         if (network->hidden == TRUE)
 612                 return TRUE;
 613
 614         return network->available;
 615 }
 616
 617 /**
 618  * connman_network_set_associating:
 619  * @network: network structure
 620  * @associating: associating state
 621  *
 622  * Change associating state of network
 623  */
 624 int connman_network_set_associating(struct connman_network *network,
 625                                                 connman_bool_t associating)
 626 {
 627         DBG("network %p associating %d", network, associating);
 628
 629         if (network->associating == associating)
 630                 return -EALREADY;
 631
 632         network->associating = associating;
 633
 634         if (associating == TRUE) {
 635                 struct connman_service *service;
 636
 637                 service = __connman_service_lookup_from_network(network);
 638                 __connman_service_indicate_state(service,
 639                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 640         }
 641
 642         return 0;
 643 }
 644
 645 static void set_associate_error(struct connman_network *network)
 646 {
 647         struct connman_service *service;
 648
 649         if (network->associating == FALSE)
 650                 return ;
 651
 652         network->associating = FALSE;
 653
 654         service = __connman_service_lookup_from_network(network);
 655
 656         __connman_service_indicate_state(service,
 657                                         CONNMAN_SERVICE_STATE_FAILURE);
 658 }
 659
 660 void connman_network_set_error(struct connman_network *network,
 661                                         enum connman_network_error error)
 662 {
 663         DBG("nework %p, error %d", network, error);
 664
 665         switch (error) {
 666         case CONNMAN_NETWORK_ERROR_UNKNOWN:
 667                 return;
 668         case CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL:
 669                 set_associate_error(network);
 670                 break;
 671         }
 672 }
 673
 674 static gboolean set_connected(gpointer user_data)
 675 {
 676         struct connman_network *network = user_data;
 677         struct connman_service *service;
 678
 679         service = __connman_service_lookup_from_network(network);
 680
 681         if (network->connected == TRUE) {
 682                 struct connman_element *element;
 683                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 684
 685                 switch (network->protocol) {
 686                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 687                         return 0;
 688                 case CONNMAN_NETWORK_PROTOCOL_IP:
 689                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 690                         break;
 691                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 692                         type = CONNMAN_ELEMENT_TYPE_PPP;
 693                         break;
 694                 }
 695
 696                 __connman_device_increase_connections(network->device);
 697
 698                 __connman_device_set_network(network->device, network);
 699
 700                 connman_device_set_disconnected(network->device, FALSE);
 701
 702                 element = connman_element_create(NULL);
 703                 if (element != NULL) {
 704                         element->type  = type;
 705                         element->index = network->element.index;
 706
 707                         if (connman_element_register(element,
 708                                                 &network->element) < 0)
 709                                 connman_element_unref(element);
 710
 711                         __connman_service_indicate_state(service,
 712                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 713                 }
 714         } else {
 715                 connman_element_unregister_children(&network->element);
 716
 717                 __connman_device_set_network(network->device, NULL);
 718                 network->hidden = FALSE;
 719
 720                 __connman_device_decrease_connections(network->device);
 721
 722                 __connman_service_indicate_state(service,
 723                                                 CONNMAN_SERVICE_STATE_IDLE);
 724         }
 725
 726         network->connecting = FALSE;
 727
 728         connman_network_set_associating(network, FALSE);
 729
 730         return FALSE;
 731 }
 732
 733 /**
 734  * connman_network_set_connected:
 735  * @network: network structure
 736  * @connected: connected state
 737  *
 738  * Change connected state of network
 739  */
 740 int connman_network_set_connected(struct connman_network *network,
 741                                                 connman_bool_t connected)
 742 {
 743         DBusMessage *signal;
 744         DBusMessageIter entry, value;
 745         const char *key = "Connected";
 746
 747         DBG("network %p connected %d", network, connected);
 748
 749         if ((network->connecting == TRUE || network->associating == TRUE) &&
 750                                                         connected == FALSE) {
 751                 connman_element_set_error(&network->element,
 752                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 753                 __connman_network_disconnect(network);
 754         }
 755
 756         if (network->connected == connected)
 757                 return -EALREADY;
 758
 759         network->connected = connected;
 760
 761         if (network->registered == FALSE) {
 762                 g_idle_add(set_connected, network);
 763                 return 0;
 764         }
 765
 766         signal = dbus_message_new_signal(network->element.path,
 767                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 768         if (signal == NULL)
 769                 return 0;
 770
 771         dbus_message_iter_init_append(signal, &entry);
 772
 773         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 774
 775         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 776                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 777         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 778         dbus_message_iter_close_container(&entry, &value);
 779
 780         g_dbus_send_message(connection, signal);
 781
 782         set_connected(network);
 783
 784         return 0;
 785 }
 786
 787 /**
 788  * connman_network_get_connected:
 789  * @network: network structure
 790  *
 791  * Get network connection status
 792  */
 793 connman_bool_t connman_network_get_connected(struct connman_network *network)
 794 {
 795         return network->connected;
 796 }
 797
 798 /**
 799  * connman_network_get_associating:
 800  * @network: network structure
 801  *
 802  * Get network associating status
 803  */
 804 connman_bool_t connman_network_get_associating(struct connman_network *network)
 805 {
 806         return network->associating;
 807 }
 808
 809 /**
 810  * __connman_network_connect:
 811  * @network: network structure
 812  *
 813  * Connect network
 814  */
 815 int __connman_network_connect(struct connman_network *network)
 816 {
 817         int err;
 818
 819         DBG("network %p", network);
 820
 821         if (network->connected == TRUE)
 822                 return -EISCONN;
 823
 824         if (network->connecting == TRUE || network->associating == TRUE)
 825                 return -EALREADY;
 826
 827         if (network->driver == NULL)
 828                 return -EUNATCH;
 829
 830         if (network->driver->connect == NULL)
 831                 return -ENOSYS;
 832
 833         __connman_device_disconnect(network->device);
 834
 835         network->connecting = TRUE;
 836
 837         err = network->driver->connect(network);
 838         if (err < 0) {
 839                 if (err == -EINPROGRESS)
 840                         connman_network_set_associating(network, TRUE);
 841                 else
 842                         network->hidden = FALSE;
 843
 844                 return err;
 845         }
 846
 847         network->connected = TRUE;
 848         set_connected(network);
 849
 850         return err;
 851 }
 852
 853 /**
 854  * __connman_network_disconnect:
 855  * @network: network structure
 856  *
 857  * Disconnect network
 858  */
 859 int __connman_network_disconnect(struct connman_network *network)
 860 {
 861         int err;
 862
 863         DBG("network %p", network);
 864
 865         if (network->connected == FALSE && network->connecting == FALSE &&
 866                                                 network->associating == FALSE)
 867                 return -ENOTCONN;
 868
 869         if (network->driver == NULL)
 870                 return -EUNATCH;
 871
 872         if (network->driver->disconnect == NULL)
 873                 return -ENOSYS;
 874
 875         network->connecting = FALSE;
 876
 877         err = network->driver->disconnect(network);
 878         if (err == 0) {
 879                 network->connected = FALSE;
 880                 set_connected(network);
 881         }
 882
 883         return err;
 884 }
 885
 886 /**
 887  * connman_network_set_address:
 888  * @network: network structure
 889  * @address: binary address value
 890  * @size: binary address length
 891  *
 892  * Set unique address value for network
 893  */
 894 int connman_network_set_address(struct connman_network *network,
 895                                 const void *address, unsigned int size)
 896 {
 897         const unsigned char *addr_octet = address;
 898         char *str;
 899
 900         DBG("network %p size %d", network, size);
 901
 902         if (size != 6)
 903                 return -EINVAL;
 904
 905         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 906                                 addr_octet[0], addr_octet[1], addr_octet[2],
 907                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 908         if (str == NULL)
 909                 return -ENOMEM;
 910
 911         g_free(network->address);
 912         network->address = str;
 913
 914         return connman_element_set_string(&network->element,
 915                                                 "Address", network->address);
 916 }
 917
 918 /**
 919  * connman_network_set_name:
 920  * @network: network structure
 921  * @name: name value
 922  *
 923  * Set display name value for network
 924  */
 925 int connman_network_set_name(struct connman_network *network,
 926                                                         const char *name)
 927 {
 928         DBG("network %p name %s", network, name);
 929
 930         g_free(network->name);
 931         network->name = g_strdup(name);
 932
 933         return connman_element_set_string(&network->element, "Name", name);
 934 }
 935
 936 /**
 937  * connman_network_set_strength:
 938  * @network: network structure
 939  * @strength: strength value
 940  *
 941  * Set signal strength value for network
 942  */
 943 int connman_network_set_strength(struct connman_network *network,
 944                                                 connman_uint8_t strength)
 945 {
 946         DBG("network %p strengh %d", network, strength);
 947
 948         network->strength = strength;
 949
 950         return connman_element_set_uint8(&network->element,
 951                                                 "Strength", strength);
 952 }
 953
 954 /**
 955  * connman_network_set_roaming:
 956  * @network: network structure
 957  * @roaming: roaming state
 958  *
 959  * Set roaming state for network
 960  */
 961 int connman_network_set_roaming(struct connman_network *network,
 962                                                 connman_bool_t roaming)
 963 {
 964         DBG("network %p roaming %d", network, roaming);
 965
 966         network->roaming = roaming;
 967
 968         return connman_element_set_bool(&network->element,
 969                                                 "Roaming", roaming);
 970 }
 971
 972 /**
 973  * connman_network_set_string:
 974  * @network: network structure
 975  * @key: unique identifier
 976  * @value: string value
 977  *
 978  * Set string value for specific key
 979  */
 980 int connman_network_set_string(struct connman_network *network,
 981                                         const char *key, const char *value)
 982 {
 983         DBG("network %p key %s value %s", network, key, value);
 984
 985         if (g_strcmp0(key, "Name") == 0)
 986                 return connman_network_set_name(network, value);
 987
 988         if (g_str_equal(key, "Address") == TRUE) {
 989                 g_free(network->address);
 990                 network->address = g_strdup(value);
 991         } else if (g_str_equal(key, "Node") == TRUE) {
 992                 g_free(network->node);
 993                 network->node = g_strdup(value);
 994         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 995                 g_free(network->wifi.mode);
 996                 network->wifi.mode = g_strdup(value);
 997         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 998                 g_free(network->wifi.security);
 999                 network->wifi.security = g_strdup(value);
1000         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1001                 g_free(network->wifi.passphrase);
1002                 network->wifi.passphrase = g_strdup(value);
1003         }
1004
1005         return connman_element_set_string(&network->element, key, value);
1006 }
1007
1008 /**
1009  * connman_network_get_string:
1010  * @network: network structure
1011  * @key: unique identifier
1012  *
1013  * Get string value for specific key
1014  */
1015 const char *connman_network_get_string(struct connman_network *network,
1016                                                         const char *key)
1017 {
1018         DBG("network %p key %s", network, key);
1019
1020         if (g_str_equal(key, "Address") == TRUE)
1021                 return network->address;
1022         else if (g_str_equal(key, "Name") == TRUE)
1023                 return network->name;
1024         else if (g_str_equal(key, "Node") == TRUE)
1025                 return network->node;
1026         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1027                 return network->wifi.mode;
1028         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1029                 return network->wifi.security;
1030         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1031                 return network->wifi.passphrase;
1032
1033         return connman_element_get_string(&network->element, key);
1034 }
1035
1036 /**
1037  * connman_network_set_bool:
1038  * @network: network structure
1039  * @key: unique identifier
1040  * @value: boolean value
1041  *
1042  * Set boolean value for specific key
1043  */
1044 int connman_network_set_bool(struct connman_network *network,
1045                                         const char *key, connman_bool_t value)
1046 {
1047         DBG("network %p key %s value %d", network, key, value);
1048
1049         if (g_strcmp0(key, "Roaming") == 0)
1050                 return connman_network_set_roaming(network, value);
1051
1052         return connman_element_set_bool(&network->element, key, value);
1053 }
1054
1055 /**
1056  * connman_network_get_bool:
1057  * @network: network structure
1058  * @key: unique identifier
1059  *
1060  * Get boolean value for specific key
1061  */
1062 connman_bool_t connman_network_get_bool(struct connman_network *network,
1063                                                         const char *key)
1064 {
1065         DBG("network %p key %s", network, key);
1066
1067         if (g_str_equal(key, "Roaming") == TRUE)
1068                 return network->roaming;
1069
1070         return connman_element_get_bool(&network->element, key);
1071 }
1072
1073 /**
1074  * connman_network_set_uint8:
1075  * @network: network structure
1076  * @key: unique identifier
1077  * @value: integer value
1078  *
1079  * Set integer value for specific key
1080  */
1081 int connman_network_set_uint8(struct connman_network *network,
1082                                         const char *key, connman_uint8_t value)
1083 {
1084         DBG("network %p key %s value %d", network, key, value);
1085
1086         if (g_strcmp0(key, "Strength") == 0)
1087                 return connman_network_set_strength(network, value);
1088
1089         return connman_element_set_uint8(&network->element, key, value);
1090 }
1091
1092 /**
1093  * connman_network_get_uint8:
1094  * @network: network structure
1095  * @key: unique identifier
1096  *
1097  * Get integer value for specific key
1098  */
1099 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1100                                                         const char *key)
1101 {
1102         DBG("network %p key %s", network, key);
1103
1104         if (g_str_equal(key, "Strength") == TRUE)
1105                 return network->strength;
1106
1107         return connman_element_get_uint8(&network->element, key);
1108 }
1109
1110 /**
1111  * connman_network_set_uint16:
1112  * @network: network structure
1113  * @key: unique identifier
1114  * @value: integer value
1115  *
1116  * Set integer value for specific key
1117  */
1118 int connman_network_set_uint16(struct connman_network *network,
1119                                 const char *key, connman_uint16_t value)
1120 {
1121         DBG("network %p key %s value %d", network, key, value);
1122
1123         if (g_str_equal(key, "Frequency") == TRUE)
1124                 network->frequency = value;
1125         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1126                 network->wifi.channel = value;
1127
1128         return -EINVAL;
1129 }
1130
1131 /**
1132  * connman_network_get_uint16:
1133  * @network: network structure
1134  * @key: unique identifier
1135  *
1136  * Get integer value for specific key
1137  */
1138 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1139                                                         const char *key)
1140 {
1141         DBG("network %p key %s", network, key);
1142
1143         if (g_str_equal(key, "Frequency") == TRUE)
1144                 return network->frequency;
1145         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1146                 return network->wifi.channel;
1147
1148         return 0;
1149 }
1150
1151 /**
1152  * connman_network_set_blob:
1153  * @network: network structure
1154  * @key: unique identifier
1155  * @data: blob data
1156  * @size: blob size
1157  *
1158  * Set binary blob value for specific key
1159  */
1160 int connman_network_set_blob(struct connman_network *network,
1161                         const char *key, const void *data, unsigned int size)
1162 {
1163         DBG("network %p key %s size %d", network, key, size);
1164
1165         if (g_strcmp0(key, "Address") == 0)
1166                 return connman_network_set_address(network, data, size);
1167
1168         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1169                 g_free(network->wifi.ssid);
1170                 network->wifi.ssid = g_try_malloc(size);
1171                 if (network->wifi.ssid != NULL) {
1172                         memcpy(network->wifi.ssid, data, size);
1173                         network->wifi.ssid_len = size;
1174                 } else
1175                         network->wifi.ssid_len = 0;
1176         }
1177
1178         return connman_element_set_blob(&network->element, key, data, size);
1179 }
1180
1181 /**
1182  * connman_network_get_blob:
1183  * @network: network structure
1184  * @key: unique identifier
1185  * @size: pointer to blob size
1186  *
1187  * Get binary blob value for specific key
1188  */
1189 const void *connman_network_get_blob(struct connman_network *network,
1190                                         const char *key, unsigned int *size)
1191 {
1192         DBG("network %p key %s", network, key);
1193
1194         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1195                 if (size != NULL)
1196                         *size = network->wifi.ssid_len;
1197                 return network->wifi.ssid;
1198         }
1199
1200         return connman_element_get_blob(&network->element, key, size);
1201 }
1202
1203 void __connman_network_set_device(struct connman_network *network,
1204                                         struct connman_device *device)
1205 {
1206         network->device = device;
1207 }
1208
1209 /**
1210  * connman_network_get_device:
1211  * @network: network structure
1212  *
1213  * Get parent device of network
1214  */
1215 struct connman_device *connman_network_get_device(struct connman_network *network)
1216 {
1217         return network->device;
1218 }
1219
1220 /**
1221  * connman_network_get_data:
1222  * @network: network structure
1223  *
1224  * Get private network data pointer
1225  */
1226 void *connman_network_get_data(struct connman_network *network)
1227 {
1228         return network->driver_data;
1229 }
1230
1231 /**
1232  * connman_network_set_data:
1233  * @network: network structure
1234  * @data: data pointer
1235  *
1236  * Set private network data pointer
1237  */
1238 void connman_network_set_data(struct connman_network *network, void *data)
1239 {
1240         network->driver_data = data;
1241 }
1242
1243 static gboolean match_driver(struct connman_network *network,
1244                                         struct connman_network_driver *driver)
1245 {
1246         if (network->type == driver->type ||
1247                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1248                 return TRUE;
1249
1250         return FALSE;
1251 }
1252
1253 static int network_probe(struct connman_element *element)
1254 {
1255         struct connman_network *network = element->network;
1256         GSList *list;
1257         int err;
1258
1259         DBG("element %p name %s", element, element->name);
1260
1261         if (network == NULL)
1262                 return -ENODEV;
1263
1264         for (list = driver_list; list; list = list->next) {
1265                 struct connman_network_driver *driver = list->data;
1266
1267                 if (match_driver(network, driver) == FALSE)
1268                         continue;
1269
1270                 DBG("driver %p name %s", driver, driver->name);
1271
1272                 if (driver->probe(network) == 0) {
1273                         network->driver = driver;
1274                         break;
1275                 }
1276         }
1277
1278         if (network->driver == NULL)
1279                 return -ENODEV;
1280
1281         err = register_interface(element);
1282         if (err < 0) {
1283                 if (network->driver->remove)
1284                         network->driver->remove(network);
1285                 return err;
1286         }
1287
1288         network->secondary = connman_device_get_secondary(network->device);
1289
1290         switch (network->type) {
1291         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1292         case CONNMAN_NETWORK_TYPE_VENDOR:
1293                 break;
1294         case CONNMAN_NETWORK_TYPE_ETHERNET:
1295         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1296         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1297         case CONNMAN_NETWORK_TYPE_CELLULAR:
1298         case CONNMAN_NETWORK_TYPE_MBM:
1299         case CONNMAN_NETWORK_TYPE_HSO:
1300         case CONNMAN_NETWORK_TYPE_WIFI:
1301         case CONNMAN_NETWORK_TYPE_WIMAX:
1302                 if (network->group != NULL && network->secondary == FALSE)
1303                         __connman_profile_add_network(network);
1304                 break;
1305         }
1306
1307         return 0;
1308 }
1309
1310 static void network_remove(struct connman_element *element)
1311 {
1312         struct connman_network *network = element->network;
1313
1314         DBG("element %p name %s", element, element->name);
1315
1316         if (network == NULL)
1317                 return;
1318
1319         if (network->driver == NULL)
1320                 return;
1321
1322         switch (network->type) {
1323         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1324         case CONNMAN_NETWORK_TYPE_VENDOR:
1325                 break;
1326         case CONNMAN_NETWORK_TYPE_ETHERNET:
1327         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1328         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1329         case CONNMAN_NETWORK_TYPE_CELLULAR:
1330         case CONNMAN_NETWORK_TYPE_MBM:
1331         case CONNMAN_NETWORK_TYPE_HSO:
1332         case CONNMAN_NETWORK_TYPE_WIFI:
1333         case CONNMAN_NETWORK_TYPE_WIMAX:
1334                 if (network->group != NULL && network->secondary == FALSE) {
1335                         __connman_profile_remove_network(network);
1336
1337                         g_free(network->group);
1338                         network->group = NULL;
1339                 }
1340                 break;
1341         }
1342
1343         unregister_interface(element);
1344
1345         if (network->driver->remove)
1346                 network->driver->remove(network);
1347 }
1348
1349 static void network_change(struct connman_element *element)
1350 {
1351         struct connman_network *network = element->network;
1352
1353         DBG("element %p name %s", element, element->name);
1354
1355         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1356                 return;
1357
1358         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1359                 return;
1360
1361         if (network->connected == FALSE)
1362                 return;
1363
1364         connman_element_unregister_children(element);
1365
1366         connman_device_set_disconnected(network->device, TRUE);
1367
1368         if (network->driver && network->driver->disconnect) {
1369                 network->driver->disconnect(network);
1370                 return;
1371         }
1372
1373         network->connected = FALSE;
1374 }
1375
1376 static struct connman_driver network_driver = {
1377         .name           = "network",
1378         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1379         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1380         .probe          = network_probe,
1381         .remove         = network_remove,
1382         .change         = network_change,
1383 };
1384
1385 int __connman_network_init(void)
1386 {
1387         DBG("");
1388
1389         connection = connman_dbus_get_connection();
1390
1391         return connman_driver_register(&network_driver);
1392 }
1393
1394 void __connman_network_cleanup(void)
1395 {
1396         DBG("");
1397
1398         connman_driver_unregister(&network_driver);
1399
1400         dbus_connection_unref(connection);
1401 }