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 struct connman_network {
  34         struct connman_element element;
  35         enum connman_network_type type;
  36         enum connman_network_protocol protocol;
  37         connman_bool_t secondary;
  38         connman_bool_t available;
  39         connman_bool_t connected;
  40         connman_bool_t hidden;
  41         connman_uint8_t strength;
  42         connman_uint16_t frequency;
  43         char *identifier;
  44         char *address;
  45         char *name;
  46         char *node;
  47         char *group;
  48         struct connman_ipconfig *ipconfig;
  49
  50         struct connman_network_driver *driver;
  51         void *driver_data;
  52
  53         connman_bool_t registered;
  54         connman_bool_t connecting;
  55         connman_bool_t associating;
  56
  57         struct connman_device *device;
  58
  59         struct {
  60                 void *ssid;
  61                 int ssid_len;
  62                 char *mode;
  63                 unsigned short channel;
  64                 char *security;
  65                 char *passphrase;
  66         } wifi;
  67 };
  68
  69 static const char *type2string(enum connman_network_type type)
  70 {
  71         switch (type) {
  72         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  73         case CONNMAN_NETWORK_TYPE_VENDOR:
  74                 break;
  75         case CONNMAN_NETWORK_TYPE_WIFI:
  76                 return "wifi";
  77         case CONNMAN_NETWORK_TYPE_WIMAX:
  78                 return "wimax";
  79         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  80         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  81                 return "bluetooth";
  82         case CONNMAN_NETWORK_TYPE_MBM:
  83         case CONNMAN_NETWORK_TYPE_HSO:
  84                 return "cellular";
  85         }
  86
  87         return NULL;
  88 }
  89
  90 static DBusMessage *get_properties(DBusConnection *conn,
  91                                         DBusMessage *msg, void *data)
  92 {
  93         struct connman_network *network = data;
  94         DBusMessage *reply;
  95         DBusMessageIter array, dict;
  96
  97         DBG("conn %p", conn);
  98
  99         if (__connman_security_check_privilege(msg,
 100                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 101                 return __connman_error_permission_denied(msg);
 102
 103         reply = dbus_message_new_method_return(msg);
 104         if (reply == NULL)
 105                 return NULL;
 106
 107         dbus_message_iter_init_append(reply, &array);
 108
 109         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 110                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 111                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 112                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 113
 114         if (network->device) {
 115                 const char *path = connman_device_get_path(network->device);
 116                 if (path != NULL)
 117                         connman_dbus_dict_append_variant(&dict, "Device",
 118                                                 DBUS_TYPE_OBJECT_PATH, &path);
 119         }
 120
 121         if (network->address != NULL)
 122                 connman_dbus_dict_append_variant(&dict, "Address",
 123                                         DBUS_TYPE_STRING, &network->address);
 124
 125         if (network->name != NULL)
 126                 connman_dbus_dict_append_variant(&dict, "Name",
 127                                         DBUS_TYPE_STRING, &network->name);
 128
 129         connman_dbus_dict_append_variant(&dict, "Connected",
 130                                 DBUS_TYPE_BOOLEAN, &network->connected);
 131
 132         if (network->strength > 0)
 133                 connman_dbus_dict_append_variant(&dict, "Strength",
 134                                         DBUS_TYPE_BYTE, &network->strength);
 135
 136         if (network->frequency > 0)
 137                 connman_dbus_dict_append_variant(&dict, "Frequency",
 138                                         DBUS_TYPE_UINT16, &network->frequency);
 139
 140         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 141                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 142                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 143                                                 network->wifi.ssid_len);
 144
 145         if (network->wifi.mode != NULL)
 146                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 147                                 DBUS_TYPE_STRING, &network->wifi.mode);
 148
 149         if (network->wifi.channel > 0)
 150                 connman_dbus_dict_append_variant(&dict, "WiFi.Channel",
 151                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 152
 153         if (network->wifi.security != NULL)
 154                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 155                                 DBUS_TYPE_STRING, &network->wifi.security);
 156
 157         if (network->wifi.passphrase != NULL &&
 158                         __connman_security_check_privilege(msg,
 159                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 160                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 161                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 162
 163         dbus_message_iter_close_container(&array, &dict);
 164
 165         return reply;
 166 }
 167
 168 static DBusMessage *set_property(DBusConnection *conn,
 169                                         DBusMessage *msg, void *data)
 170 {
 171         struct connman_network *network = data;
 172         DBusMessageIter iter, value;
 173         const char *name;
 174         int type;
 175
 176         DBG("conn %p", conn);
 177
 178         if (dbus_message_iter_init(msg, &iter) == FALSE)
 179                 return __connman_error_invalid_arguments(msg);
 180
 181         dbus_message_iter_get_basic(&iter, &name);
 182         dbus_message_iter_next(&iter);
 183         dbus_message_iter_recurse(&iter, &value);
 184
 185         if (__connman_security_check_privilege(msg,
 186                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 187                 return __connman_error_permission_denied(msg);
 188
 189         type = dbus_message_iter_get_arg_type(&value);
 190
 191         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 192                 const char *passphrase;
 193
 194                 if (type != DBUS_TYPE_STRING)
 195                         return __connman_error_invalid_arguments(msg);
 196
 197                 if (__connman_security_check_privilege(msg,
 198                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 199                         return __connman_error_permission_denied(msg);
 200
 201                 dbus_message_iter_get_basic(&value, &passphrase);
 202
 203                 g_free(network->wifi.passphrase);
 204                 network->wifi.passphrase = g_strdup(passphrase);
 205         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 206                 int err;
 207
 208                 err = __connman_ipconfig_set_ipv4(network->ipconfig,
 209                                                         name + 5, &value);
 210                 if (err < 0)
 211                         return __connman_error_failed(msg, -err);
 212         } else
 213                 return __connman_error_invalid_property(msg);
 214
 215         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 216 }
 217
 218 static GDBusMethodTable network_methods[] = {
 219         { "GetProperties", "",   "a{sv}", get_properties },
 220         { "SetProperty",   "sv", "",      set_property   },
 221         { },
 222 };
 223
 224 static GDBusSignalTable network_signals[] = {
 225         { "PropertyChanged", "sv" },
 226         { },
 227 };
 228
 229 static DBusConnection *connection;
 230
 231 static void append_networks(struct connman_device *device,
 232                                                 DBusMessageIter *entry)
 233 {
 234         DBusMessageIter value, iter;
 235         const char *key = "Networks";
 236
 237         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 238
 239         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 240                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 241                                                                 &value);
 242
 243         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 244                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 245         __connman_element_list((struct connman_element *) device,
 246                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 247         dbus_message_iter_close_container(&value, &iter);
 248
 249         dbus_message_iter_close_container(entry, &value);
 250 }
 251
 252 static void emit_networks_signal(struct connman_device *device)
 253 {
 254         const char *path = connman_device_get_path(device);
 255         DBusMessage *signal;
 256         DBusMessageIter entry;
 257
 258         signal = dbus_message_new_signal(path,
 259                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 260         if (signal == NULL)
 261                 return;
 262
 263         dbus_message_iter_init_append(signal, &entry);
 264
 265         append_networks(device, &entry);
 266
 267         g_dbus_send_message(connection, signal);
 268 }
 269
 270 static int register_interface(struct connman_element *element)
 271 {
 272         struct connman_network *network = element->network;
 273
 274         DBG("element %p name %s", element, element->name);
 275
 276         if (g_dbus_register_interface(connection, element->path,
 277                                         CONNMAN_NETWORK_INTERFACE,
 278                                         network_methods, network_signals,
 279                                         NULL, network, NULL) == FALSE) {
 280                 connman_error("Failed to register %s network", element->path);
 281                 return -EIO;
 282         }
 283
 284         network->registered = TRUE;
 285
 286         emit_networks_signal(network->device);
 287
 288         return 0;
 289 }
 290
 291 static void unregister_interface(struct connman_element *element)
 292 {
 293         struct connman_network * network = element->network;
 294
 295         DBG("element %p name %s", element, element->name);
 296
 297         network->registered = FALSE;
 298
 299         emit_networks_signal(network->device);
 300
 301         g_dbus_unregister_interface(connection, element->path,
 302                                                 CONNMAN_NETWORK_INTERFACE);
 303 }
 304
 305 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 306 {
 307         if (network == NULL || network->driver == NULL)
 308                 return FALSE;
 309
 310         return network->registered;
 311 }
 312
 313 static GSList *driver_list = NULL;
 314
 315 static gint compare_priority(gconstpointer a, gconstpointer b)
 316 {
 317         const struct connman_network_driver *driver1 = a;
 318         const struct connman_network_driver *driver2 = b;
 319
 320         return driver2->priority - driver1->priority;
 321 }
 322
 323 /**
 324  * connman_network_driver_register:
 325  * @driver: network driver definition
 326  *
 327  * Register a new network driver
 328  *
 329  * Returns: %0 on success
 330  */
 331 int connman_network_driver_register(struct connman_network_driver *driver)
 332 {
 333         DBG("driver %p name %s", driver, driver->name);
 334
 335         driver_list = g_slist_insert_sorted(driver_list, driver,
 336                                                         compare_priority);
 337
 338         return 0;
 339 }
 340
 341 /**
 342  * connman_network_driver_unregister:
 343  * @driver: network driver definition
 344  *
 345  * Remove a previously registered network driver
 346  */
 347 void connman_network_driver_unregister(struct connman_network_driver *driver)
 348 {
 349         DBG("driver %p name %s", driver, driver->name);
 350
 351         driver_list = g_slist_remove(driver_list, driver);
 352 }
 353
 354 static void network_destruct(struct connman_element *element)
 355 {
 356         struct connman_network *network = element->network;
 357
 358         DBG("element %p name %s", element, element->name);
 359
 360         g_free(network->wifi.ssid);
 361         g_free(network->wifi.mode);
 362         g_free(network->wifi.security);
 363         g_free(network->wifi.passphrase);
 364
 365         g_free(network->group);
 366         g_free(network->node);
 367         g_free(network->name);
 368         g_free(network->address);
 369         g_free(network->identifier);
 370
 371         connman_ipconfig_unref(network->ipconfig);
 372 }
 373
 374 /**
 375  * connman_network_create:
 376  * @identifier: network identifier (for example an unqiue name)
 377  *
 378  * Allocate a new network and assign the #identifier to it.
 379  *
 380  * Returns: a newly-allocated #connman_network structure
 381  */
 382 struct connman_network *connman_network_create(const char *identifier,
 383                                                 enum connman_network_type type)
 384 {
 385         struct connman_network *network;
 386         connman_uint8_t strength = 0;
 387         const char *str;
 388         char *temp;
 389
 390         DBG("identifier %s type %d", identifier, type);
 391
 392         network = g_try_new0(struct connman_network, 1);
 393         if (network == NULL)
 394                 return NULL;
 395
 396         DBG("network %p", network);
 397
 398         __connman_element_initialize(&network->element);
 399
 400         //temp = connman_dbus_encode_string(identifier);
 401         if (identifier == NULL) {
 402                 temp = g_strdup("hidden");
 403                 network->hidden = TRUE;
 404         } else
 405                 temp = g_strdup(identifier);
 406
 407         if (temp == NULL) {
 408                 g_free(network);
 409                 return NULL;
 410         }
 411
 412         network->element.name = temp;
 413         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 414
 415         network->element.network = network;
 416         network->element.destruct = network_destruct;
 417
 418         str = type2string(type);
 419         if (str != NULL)
 420                 connman_element_set_string(&network->element, "Type", str);
 421
 422         connman_element_set_uint8(&network->element, "Strength", strength);
 423
 424         network->type       = type;
 425         network->secondary  = FALSE;
 426         network->identifier = g_strdup(temp);
 427
 428         network->ipconfig = connman_ipconfig_create();
 429         if (network->ipconfig == NULL) {
 430                 connman_network_unref(network);
 431                 return NULL;
 432         }
 433
 434         return network;
 435 }
 436
 437 /**
 438  * connman_network_ref:
 439  * @network: network structure
 440  *
 441  * Increase reference counter of  network
 442  */
 443 struct connman_network *connman_network_ref(struct connman_network *network)
 444 {
 445         if (connman_element_ref(&network->element) == NULL)
 446                 return NULL;
 447
 448         return network;
 449 }
 450
 451 /**
 452  * connman_network_unref:
 453  * @network: network structure
 454  *
 455  * Decrease reference counter of network
 456  */
 457 void connman_network_unref(struct connman_network *network)
 458 {
 459         connman_element_unref(&network->element);
 460 }
 461
 462 const char *__connman_network_get_type(struct connman_network *network)
 463 {
 464         return type2string(network->type);
 465 }
 466
 467 /**
 468  * connman_network_get_type:
 469  * @network: network structure
 470  *
 471  * Get type of network
 472  */
 473 enum connman_network_type connman_network_get_type(struct connman_network *network)
 474 {
 475         return network->type;
 476 }
 477
 478 /**
 479  * connman_network_get_identifier:
 480  * @network: network structure
 481  *
 482  * Get identifier of network
 483  */
 484 const char *connman_network_get_identifier(struct connman_network *network)
 485 {
 486         return network->identifier;
 487 }
 488
 489 /**
 490  * connman_network_get_path:
 491  * @network: network structure
 492  *
 493  * Get path name of network
 494  */
 495 const char *connman_network_get_path(struct connman_network *network)
 496 {
 497         return network->element.path;
 498 }
 499
 500 /**
 501  * connman_network_set_index:
 502  * @network: network structure
 503  * @index: index number
 504  *
 505  * Set index number of network
 506  */
 507 void connman_network_set_index(struct connman_network *network, int index)
 508 {
 509         network->element.index = index;
 510 }
 511
 512 /**
 513  * connman_network_get_index:
 514  * @network: network structure
 515  *
 516  * Get index number of network
 517  */
 518 int connman_network_get_index(struct connman_network *network)
 519 {
 520         return network->element.index;
 521 }
 522
 523 /**
 524  * connman_network_set_protocol:
 525  * @network: network structure
 526  * @protocol: network protocol
 527  *
 528  * Change protocol of network
 529  */
 530 void connman_network_set_protocol(struct connman_network *network,
 531                                         enum connman_network_protocol protocol)
 532 {
 533         network->protocol = protocol;
 534 }
 535
 536 /**
 537  * connman_network_set_group:
 538  * @network: network structure
 539  * @group: group name
 540  *
 541  * Set group name for automatic clustering
 542  */
 543 void connman_network_set_group(struct connman_network *network,
 544                                                         const char *group)
 545 {
 546         if (network->secondary == TRUE)
 547                 return;
 548
 549         switch (network->type) {
 550         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 551         case CONNMAN_NETWORK_TYPE_VENDOR:
 552         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 553         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 554                 return;
 555         case CONNMAN_NETWORK_TYPE_MBM:
 556         case CONNMAN_NETWORK_TYPE_HSO:
 557         case CONNMAN_NETWORK_TYPE_WIFI:
 558         case CONNMAN_NETWORK_TYPE_WIMAX:
 559                 break;
 560         }
 561
 562         if (g_strcmp0(network->group, group) == 0) {
 563                 if (group != NULL)
 564                         __connman_profile_update_network(network);
 565                 return;
 566         }
 567
 568         if (network->group != NULL) {
 569                 __connman_profile_remove_network(network);
 570
 571                 g_free(network->group);
 572         }
 573
 574         network->group = g_strdup(group);
 575
 576         if (network->group != NULL)
 577                 __connman_profile_add_network(network);
 578 }
 579
 580 /**
 581  * connman_network_get_group:
 582  * @network: network structure
 583  *
 584  * Get group name for automatic clustering
 585  */
 586 const char *connman_network_get_group(struct connman_network *network)
 587 {
 588         return network->group;
 589 }
 590
 591 const char *__connman_network_get_ident(struct connman_network *network)
 592 {
 593         if (network->device == NULL)
 594                 return NULL;
 595
 596         return __connman_device_get_ident(network->device);
 597 }
 598
 599 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 600 {
 601         if (network->secondary == TRUE)
 602                 return FALSE;
 603
 604         switch (network->type) {
 605         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 606         case CONNMAN_NETWORK_TYPE_VENDOR:
 607         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 608         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 609         case CONNMAN_NETWORK_TYPE_MBM:
 610         case CONNMAN_NETWORK_TYPE_HSO:
 611         case CONNMAN_NETWORK_TYPE_WIMAX:
 612                 break;
 613         case CONNMAN_NETWORK_TYPE_WIFI:
 614                 if (network->strength > 0 && network->strength < 20)
 615                         return TRUE;
 616                 break;
 617         }
 618
 619         return FALSE;
 620 }
 621
 622 /**
 623  * connman_network_set_available:
 624  * @network: network structure
 625  * @available: availability state
 626  *
 627  * Change availability state of network (in range)
 628  */
 629 int connman_network_set_available(struct connman_network *network,
 630                                                 connman_bool_t available)
 631 {
 632         DBG("network %p available %d", network, available);
 633
 634         if (network->available == available)
 635                 return -EALREADY;
 636
 637         network->available = available;
 638
 639         return 0;
 640 }
 641
 642 /**
 643  * connman_network_get_available:
 644  * @network: network structure
 645  *
 646  * Get network available setting
 647  */
 648 connman_bool_t connman_network_get_available(struct connman_network *network)
 649 {
 650         if (network->hidden == TRUE)
 651                 return TRUE;
 652
 653         return network->available;
 654 }
 655
 656 /**
 657  * connman_network_set_associating:
 658  * @network: network structure
 659  * @associating: associating state
 660  *
 661  * Change associating state of network
 662  */
 663 int connman_network_set_associating(struct connman_network *network,
 664                                                 connman_bool_t associating)
 665 {
 666         DBG("network %p associating %d", network, associating);
 667
 668         if (network->associating == associating)
 669                 return -EALREADY;
 670
 671         network->associating = associating;
 672
 673         if (associating == TRUE) {
 674                 struct connman_service *service;
 675
 676                 service = __connman_service_lookup_from_network(network);
 677                 __connman_service_indicate_state(service,
 678                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 679         }
 680
 681         return 0;
 682 }
 683
 684 static gboolean set_connected(gpointer user_data)
 685 {
 686         struct connman_network *network = user_data;
 687         struct connman_service *service;
 688
 689         service = __connman_service_lookup_from_network(network);
 690
 691         if (network->connected == TRUE) {
 692                 struct connman_element *element;
 693                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 694
 695                 switch (network->protocol) {
 696                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 697                         return 0;
 698                 case CONNMAN_NETWORK_PROTOCOL_IP:
 699                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 700                         break;
 701                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 702                         type = CONNMAN_ELEMENT_TYPE_PPP;
 703                         break;
 704                 }
 705
 706                 __connman_device_increase_connections(network->device);
 707
 708                 __connman_device_set_network(network->device, network);
 709
 710                 connman_device_set_disconnected(network->device, FALSE);
 711
 712                 element = connman_element_create(NULL);
 713                 if (element != NULL) {
 714                         element->type  = type;
 715                         element->index = network->element.index;
 716
 717                         if (connman_element_register(element,
 718                                                 &network->element) < 0)
 719                                 connman_element_unref(element);
 720
 721                         __connman_service_indicate_state(service,
 722                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 723                 }
 724         } else {
 725                 connman_element_unregister_children(&network->element);
 726
 727                 __connman_device_set_network(network->device, NULL);
 728                 network->hidden = FALSE;
 729
 730                 __connman_device_decrease_connections(network->device);
 731
 732                 __connman_service_indicate_state(service,
 733                                                 CONNMAN_SERVICE_STATE_IDLE);
 734         }
 735
 736         network->connecting = FALSE;
 737
 738         connman_network_set_associating(network, FALSE);
 739
 740         return FALSE;
 741 }
 742
 743 /**
 744  * connman_network_set_connected:
 745  * @network: network structure
 746  * @connected: connected state
 747  *
 748  * Change connected state of network
 749  */
 750 int connman_network_set_connected(struct connman_network *network,
 751                                                 connman_bool_t connected)
 752 {
 753         DBusMessage *signal;
 754         DBusMessageIter entry, value;
 755         const char *key = "Connected";
 756
 757         DBG("network %p connected %d", network, connected);
 758
 759         if ((network->connecting == TRUE || network->associating == TRUE) &&
 760                                                         connected == FALSE) {
 761                 connman_element_set_error(&network->element,
 762                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 763                 __connman_network_disconnect(network);
 764         }
 765
 766         if (network->connected == connected)
 767                 return -EALREADY;
 768
 769         network->connected = connected;
 770
 771         if (network->registered == FALSE) {
 772                 g_idle_add(set_connected, network);
 773                 return 0;
 774         }
 775
 776         signal = dbus_message_new_signal(network->element.path,
 777                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 778         if (signal == NULL)
 779                 return 0;
 780
 781         dbus_message_iter_init_append(signal, &entry);
 782
 783         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 784
 785         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 786                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 787         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 788         dbus_message_iter_close_container(&entry, &value);
 789
 790         g_dbus_send_message(connection, signal);
 791
 792         set_connected(network);
 793
 794         return 0;
 795 }
 796
 797 /**
 798  * connman_network_get_connected:
 799  * @network: network structure
 800  *
 801  * Get network connection status
 802  */
 803 connman_bool_t connman_network_get_connected(struct connman_network *network)
 804 {
 805         return network->connected;
 806 }
 807
 808 /**
 809  * connman_network_get_associating:
 810  * @network: network structure
 811  *
 812  * Get network associating status
 813  */
 814 connman_bool_t connman_network_get_associating(struct connman_network *network)
 815 {
 816         return network->associating;
 817 }
 818
 819 /**
 820  * __connman_network_connect:
 821  * @network: network structure
 822  *
 823  * Connect network
 824  */
 825 int __connman_network_connect(struct connman_network *network)
 826 {
 827         int err;
 828
 829         DBG("network %p", network);
 830
 831         if (network->connected == TRUE)
 832                 return -EISCONN;
 833
 834         if (network->connecting == TRUE || network->associating == TRUE)
 835                 return -EALREADY;
 836
 837         if (network->driver == NULL)
 838                 return -EUNATCH;
 839
 840         if (network->driver->connect == NULL)
 841                 return -ENOSYS;
 842
 843         __connman_device_disconnect(network->device);
 844
 845         network->connecting = TRUE;
 846
 847         err = network->driver->connect(network);
 848         if (err < 0) {
 849                 if (err == -EINPROGRESS)
 850                         connman_network_set_associating(network, TRUE);
 851                 else
 852                         network->hidden = FALSE;
 853
 854                 return err;
 855         }
 856
 857         network->connected = TRUE;
 858         set_connected(network);
 859
 860         return err;
 861 }
 862
 863 /**
 864  * __connman_network_disconnect:
 865  * @network: network structure
 866  *
 867  * Disconnect network
 868  */
 869 int __connman_network_disconnect(struct connman_network *network)
 870 {
 871         int err;
 872
 873         DBG("network %p", network);
 874
 875         if (network->connected == FALSE && network->connecting == FALSE &&
 876                                                 network->associating == FALSE)
 877                 return -ENOTCONN;
 878
 879         if (network->driver == NULL)
 880                 return -EUNATCH;
 881
 882         if (network->driver->disconnect == NULL)
 883                 return -ENOSYS;
 884
 885         network->connecting = FALSE;
 886
 887         err = network->driver->disconnect(network);
 888         if (err == 0) {
 889                 network->connected = FALSE;
 890                 set_connected(network);
 891         }
 892
 893         return err;
 894 }
 895
 896 /**
 897  * connman_network_set_address:
 898  * @network: network structure
 899  * @address: binary address value
 900  * @size: binary address length
 901  *
 902  * Set unique address value for network
 903  */
 904 int connman_network_set_address(struct connman_network *network,
 905                                 const void *address, unsigned int size)
 906 {
 907         const unsigned char *addr_octet = address;
 908         char *str;
 909
 910         DBG("network %p size %d", network, size);
 911
 912         if (size != 6)
 913                 return -EINVAL;
 914
 915         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 916                                 addr_octet[0], addr_octet[1], addr_octet[2],
 917                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 918         if (str == NULL)
 919                 return -ENOMEM;
 920
 921         g_free(network->address);
 922         network->address = str;
 923
 924         return connman_element_set_string(&network->element,
 925                                                 "Address", network->address);
 926 }
 927
 928 /**
 929  * connman_network_set_name:
 930  * @network: network structure
 931  * @name: name value
 932  *
 933  * Set display name value for network
 934  */
 935 int connman_network_set_name(struct connman_network *network,
 936                                                         const char *name)
 937 {
 938         DBG("network %p name %s", network, name);
 939
 940         g_free(network->name);
 941         network->name = g_strdup(name);
 942
 943         return connman_element_set_string(&network->element, "Name", name);
 944 }
 945
 946 /**
 947  * connman_network_set_strength:
 948  * @network: network structure
 949  * @strength: strength value
 950  *
 951  * Set signal strength value for network
 952  */
 953 int connman_network_set_strength(struct connman_network *network,
 954                                                 connman_uint8_t strength)
 955 {
 956         DBG("network %p strengh %d", network, strength);
 957
 958         network->strength = strength;
 959
 960         return connman_element_set_uint8(&network->element,
 961                                                 "Strength", strength);
 962 }
 963
 964 /**
 965  * connman_network_set_string:
 966  * @network: network structure
 967  * @key: unique identifier
 968  * @value: string value
 969  *
 970  * Set string value for specific key
 971  */
 972 int connman_network_set_string(struct connman_network *network,
 973                                         const char *key, const char *value)
 974 {
 975         DBG("network %p key %s value %s", network, key, value);
 976
 977         if (g_strcmp0(key, "Name") == 0)
 978                 return connman_network_set_name(network, value);
 979
 980         if (g_str_equal(key, "Address") == TRUE) {
 981                 g_free(network->address);
 982                 network->address = g_strdup(value);
 983         } else if (g_str_equal(key, "Node") == TRUE) {
 984                 g_free(network->node);
 985                 network->node = g_strdup(value);
 986         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 987                 g_free(network->wifi.mode);
 988                 network->wifi.mode = g_strdup(value);
 989         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 990                 g_free(network->wifi.security);
 991                 network->wifi.security = g_strdup(value);
 992         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 993                 g_free(network->wifi.passphrase);
 994                 network->wifi.passphrase = g_strdup(value);
 995         }
 996
 997         return connman_element_set_string(&network->element, key, value);
 998 }
 999
1000 /**
1001  * connman_network_get_string:
1002  * @network: network structure
1003  * @key: unique identifier
1004  *
1005  * Get string value for specific key
1006  */
1007 const char *connman_network_get_string(struct connman_network *network,
1008                                                         const char *key)
1009 {
1010         DBG("network %p key %s", network, key);
1011
1012         if (g_str_equal(key, "Address") == TRUE)
1013                 return network->address;
1014         else if (g_str_equal(key, "Name") == TRUE)
1015                 return network->name;
1016         else if (g_str_equal(key, "Node") == TRUE)
1017                 return network->node;
1018         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1019                 return network->wifi.mode;
1020         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1021                 return network->wifi.security;
1022         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1023                 return network->wifi.passphrase;
1024
1025         return connman_element_get_string(&network->element, key);
1026 }
1027
1028 /**
1029  * connman_network_set_uint8:
1030  * @network: network structure
1031  * @key: unique identifier
1032  * @value: integer value
1033  *
1034  * Set integer value for specific key
1035  */
1036 int connman_network_set_uint8(struct connman_network *network,
1037                                         const char *key, connman_uint8_t value)
1038 {
1039         DBG("network %p key %s value %d", network, key, value);
1040
1041         if (g_strcmp0(key, "Strength") == 0)
1042                 return connman_network_set_strength(network, value);
1043
1044         return connman_element_set_uint8(&network->element, key, value);
1045 }
1046
1047 /**
1048  * connman_network_get_uint8:
1049  * @network: network structure
1050  * @key: unique identifier
1051  *
1052  * Get integer value for specific key
1053  */
1054 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1055                                                         const char *key)
1056 {
1057         DBG("network %p key %s", network, key);
1058
1059         if (g_str_equal(key, "Strength") == TRUE)
1060                 return network->strength;
1061
1062         return connman_element_get_uint8(&network->element, key);
1063 }
1064
1065 /**
1066  * connman_network_set_uint16:
1067  * @network: network structure
1068  * @key: unique identifier
1069  * @value: integer value
1070  *
1071  * Set integer value for specific key
1072  */
1073 int connman_network_set_uint16(struct connman_network *network,
1074                                 const char *key, connman_uint16_t value)
1075 {
1076         DBG("network %p key %s value %d", network, key, value);
1077
1078         if (g_str_equal(key, "Frequency") == TRUE)
1079                 network->frequency = value;
1080         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1081                 network->wifi.channel = value;
1082
1083         return -EINVAL;
1084 }
1085
1086 /**
1087  * connman_network_get_uint16:
1088  * @network: network structure
1089  * @key: unique identifier
1090  *
1091  * Get integer value for specific key
1092  */
1093 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1094                                                         const char *key)
1095 {
1096         DBG("network %p key %s", network, key);
1097
1098         if (g_str_equal(key, "Frequency") == TRUE)
1099                 return network->frequency;
1100         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1101                 return network->wifi.channel;
1102
1103         return 0;
1104 }
1105
1106 /**
1107  * connman_network_set_blob:
1108  * @network: network structure
1109  * @key: unique identifier
1110  * @data: blob data
1111  * @size: blob size
1112  *
1113  * Set binary blob value for specific key
1114  */
1115 int connman_network_set_blob(struct connman_network *network,
1116                         const char *key, const void *data, unsigned int size)
1117 {
1118         DBG("network %p key %s size %d", network, key, size);
1119
1120         if (g_strcmp0(key, "Address") == 0)
1121                 return connman_network_set_address(network, data, size);
1122
1123         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1124                 g_free(network->wifi.ssid);
1125                 network->wifi.ssid = g_try_malloc(size);
1126                 if (network->wifi.ssid != NULL) {
1127                         memcpy(network->wifi.ssid, data, size);
1128                         network->wifi.ssid_len = size;
1129                 } else
1130                         network->wifi.ssid_len = 0;
1131         }
1132
1133         return connman_element_set_blob(&network->element, key, data, size);
1134 }
1135
1136 /**
1137  * connman_network_get_blob:
1138  * @network: network structure
1139  * @key: unique identifier
1140  * @size: pointer to blob size
1141  *
1142  * Get binary blob value for specific key
1143  */
1144 const void *connman_network_get_blob(struct connman_network *network,
1145                                         const char *key, unsigned int *size)
1146 {
1147         DBG("network %p key %s", network, key);
1148
1149         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1150                 if (size != NULL)
1151                         *size = network->wifi.ssid_len;
1152                 return network->wifi.ssid;
1153         }
1154
1155         return connman_element_get_blob(&network->element, key, size);
1156 }
1157
1158 void __connman_network_set_device(struct connman_network *network,
1159                                         struct connman_device *device)
1160 {
1161         network->device = device;
1162 }
1163
1164 /**
1165  * connman_network_get_device:
1166  * @network: network structure
1167  *
1168  * Get parent device of network
1169  */
1170 struct connman_device *connman_network_get_device(struct connman_network *network)
1171 {
1172         return network->device;
1173 }
1174
1175 /**
1176  * connman_network_get_data:
1177  * @network: network structure
1178  *
1179  * Get private network data pointer
1180  */
1181 void *connman_network_get_data(struct connman_network *network)
1182 {
1183         return network->driver_data;
1184 }
1185
1186 /**
1187  * connman_network_set_data:
1188  * @network: network structure
1189  * @data: data pointer
1190  *
1191  * Set private network data pointer
1192  */
1193 void connman_network_set_data(struct connman_network *network, void *data)
1194 {
1195         network->driver_data = data;
1196 }
1197
1198 static gboolean match_driver(struct connman_network *network,
1199                                         struct connman_network_driver *driver)
1200 {
1201         if (network->type == driver->type ||
1202                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1203                 return TRUE;
1204
1205         return FALSE;
1206 }
1207
1208 static int network_probe(struct connman_element *element)
1209 {
1210         struct connman_network *network = element->network;
1211         GSList *list;
1212         int err;
1213
1214         DBG("element %p name %s", element, element->name);
1215
1216         if (network == NULL)
1217                 return -ENODEV;
1218
1219         for (list = driver_list; list; list = list->next) {
1220                 struct connman_network_driver *driver = list->data;
1221
1222                 if (match_driver(network, driver) == FALSE)
1223                         continue;
1224
1225                 DBG("driver %p name %s", driver, driver->name);
1226
1227                 if (driver->probe(network) == 0) {
1228                         network->driver = driver;
1229                         break;
1230                 }
1231         }
1232
1233         if (network->driver == NULL)
1234                 return -ENODEV;
1235
1236         err = register_interface(element);
1237         if (err < 0) {
1238                 if (network->driver->remove)
1239                         network->driver->remove(network);
1240                 return err;
1241         }
1242
1243         network->secondary = connman_device_get_secondary(network->device);
1244
1245         switch (network->type) {
1246         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1247         case CONNMAN_NETWORK_TYPE_VENDOR:
1248         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1249         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1250                 break;
1251         case CONNMAN_NETWORK_TYPE_MBM:
1252         case CONNMAN_NETWORK_TYPE_HSO:
1253         case CONNMAN_NETWORK_TYPE_WIFI:
1254         case CONNMAN_NETWORK_TYPE_WIMAX:
1255                 if (network->group != NULL && network->secondary == FALSE)
1256                         __connman_profile_add_network(network);
1257                 break;
1258         }
1259
1260         return 0;
1261 }
1262
1263 static void network_remove(struct connman_element *element)
1264 {
1265         struct connman_network *network = element->network;
1266
1267         DBG("element %p name %s", element, element->name);
1268
1269         if (network == NULL)
1270                 return;
1271
1272         if (network->driver == NULL)
1273                 return;
1274
1275         switch (network->type) {
1276         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1277         case CONNMAN_NETWORK_TYPE_VENDOR:
1278         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1279         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1280                 break;
1281         case CONNMAN_NETWORK_TYPE_MBM:
1282         case CONNMAN_NETWORK_TYPE_HSO:
1283         case CONNMAN_NETWORK_TYPE_WIFI:
1284         case CONNMAN_NETWORK_TYPE_WIMAX:
1285                 if (network->group != NULL && network->secondary == FALSE) {
1286                         __connman_profile_remove_network(network);
1287
1288                         g_free(network->group);
1289                         network->group = NULL;
1290                 }
1291                 break;
1292         }
1293
1294         unregister_interface(element);
1295
1296         if (network->driver->remove)
1297                 network->driver->remove(network);
1298 }
1299
1300 static void network_change(struct connman_element *element)
1301 {
1302         struct connman_network *network = element->network;
1303
1304         DBG("element %p name %s", element, element->name);
1305
1306         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1307                 return;
1308
1309         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1310                 return;
1311
1312         if (network->connected == FALSE)
1313                 return;
1314
1315         connman_element_unregister_children(element);
1316
1317         connman_device_set_disconnected(network->device, TRUE);
1318
1319         if (network->driver && network->driver->disconnect) {
1320                 network->driver->disconnect(network);
1321                 return;
1322         }
1323
1324         network->connected = FALSE;
1325 }
1326
1327 static struct connman_driver network_driver = {
1328         .name           = "network",
1329         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1330         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1331         .probe          = network_probe,
1332         .remove         = network_remove,
1333         .change         = network_change,
1334 };
1335
1336 int __connman_network_init(void)
1337 {
1338         DBG("");
1339
1340         connection = connman_dbus_get_connection();
1341
1342         return connman_driver_register(&network_driver);
1343 }
1344
1345 void __connman_network_cleanup(void)
1346 {
1347         DBG("");
1348
1349         connman_driver_unregister(&network_driver);
1350
1351         dbus_connection_unref(connection);
1352 }