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