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_WIFI:
  79                 return "wifi";
  80         case CONNMAN_NETWORK_TYPE_WIMAX:
  81                 return "wimax";
  82         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  83         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  84                 return "bluetooth";
  85         case CONNMAN_NETWORK_TYPE_MBM:
  86         case CONNMAN_NETWORK_TYPE_HSO:
  87                 return "cellular";
  88         }
  89
  90         return NULL;
  91 }
  92
  93 static DBusMessage *get_properties(DBusConnection *conn,
  94                                         DBusMessage *msg, void *data)
  95 {
  96         struct connman_network *network = data;
  97         DBusMessage *reply;
  98         DBusMessageIter array, dict;
  99
 100         DBG("conn %p", conn);
 101
 102         if (__connman_security_check_privilege(msg,
 103                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 104                 return __connman_error_permission_denied(msg);
 105
 106         reply = dbus_message_new_method_return(msg);
 107         if (reply == NULL)
 108                 return NULL;
 109
 110         dbus_message_iter_init_append(reply, &array);
 111
 112         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 113                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 114                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 115                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 116
 117         if (network->device) {
 118                 const char *path = connman_device_get_path(network->device);
 119                 if (path != NULL)
 120                         connman_dbus_dict_append_variant(&dict, "Device",
 121                                                 DBUS_TYPE_OBJECT_PATH, &path);
 122         }
 123
 124         if (network->address != NULL)
 125                 connman_dbus_dict_append_variant(&dict, "Address",
 126                                         DBUS_TYPE_STRING, &network->address);
 127
 128         if (network->name != NULL)
 129                 connman_dbus_dict_append_variant(&dict, "Name",
 130                                         DBUS_TYPE_STRING, &network->name);
 131
 132         connman_dbus_dict_append_variant(&dict, "Connected",
 133                                 DBUS_TYPE_BOOLEAN, &network->connected);
 134
 135         if (network->strength > 0)
 136                 connman_dbus_dict_append_variant(&dict, "Strength",
 137                                         DBUS_TYPE_BYTE, &network->strength);
 138
 139         if (network->frequency > 0)
 140                 connman_dbus_dict_append_variant(&dict, "Frequency",
 141                                         DBUS_TYPE_UINT16, &network->frequency);
 142
 143         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 144                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 145                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 146                                                 network->wifi.ssid_len);
 147
 148         if (network->wifi.mode != NULL)
 149                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 150                                 DBUS_TYPE_STRING, &network->wifi.mode);
 151
 152         if (network->wifi.channel > 0)
 153                 connman_dbus_dict_append_variant(&dict, "WiFi.Channel",
 154                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 155
 156         if (network->wifi.security != NULL)
 157                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 158                                 DBUS_TYPE_STRING, &network->wifi.security);
 159
 160         if (network->wifi.passphrase != NULL &&
 161                         __connman_security_check_privilege(msg,
 162                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 163                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 164                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 165
 166         dbus_message_iter_close_container(&array, &dict);
 167
 168         return reply;
 169 }
 170
 171 static DBusMessage *set_property(DBusConnection *conn,
 172                                         DBusMessage *msg, void *data)
 173 {
 174         struct connman_network *network = data;
 175         DBusMessageIter iter, value;
 176         const char *name;
 177         int type;
 178
 179         DBG("conn %p", conn);
 180
 181         if (dbus_message_iter_init(msg, &iter) == FALSE)
 182                 return __connman_error_invalid_arguments(msg);
 183
 184         dbus_message_iter_get_basic(&iter, &name);
 185         dbus_message_iter_next(&iter);
 186         dbus_message_iter_recurse(&iter, &value);
 187
 188         if (__connman_security_check_privilege(msg,
 189                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 190                 return __connman_error_permission_denied(msg);
 191
 192         type = dbus_message_iter_get_arg_type(&value);
 193
 194         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 195                 const char *passphrase;
 196
 197                 if (type != DBUS_TYPE_STRING)
 198                         return __connman_error_invalid_arguments(msg);
 199
 200                 if (__connman_security_check_privilege(msg,
 201                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 202                         return __connman_error_permission_denied(msg);
 203
 204                 dbus_message_iter_get_basic(&value, &passphrase);
 205
 206                 g_free(network->wifi.passphrase);
 207                 network->wifi.passphrase = g_strdup(passphrase);
 208         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 209                 int err;
 210
 211                 if (network->ipconfig == NULL)
 212                         return __connman_error_invalid_property(msg);
 213
 214                 err = __connman_ipconfig_set_ipv4(network->ipconfig,
 215                                                         name + 5, &value);
 216                 if (err < 0)
 217                         return __connman_error_failed(msg, -err);
 218         } else
 219                 return __connman_error_invalid_property(msg);
 220
 221         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 222 }
 223
 224 static GDBusMethodTable network_methods[] = {
 225         { "GetProperties", "",   "a{sv}", get_properties },
 226         { "SetProperty",   "sv", "",      set_property   },
 227         { },
 228 };
 229
 230 static GDBusSignalTable network_signals[] = {
 231         { "PropertyChanged", "sv" },
 232         { },
 233 };
 234
 235 static DBusConnection *connection;
 236
 237 static void append_networks(struct connman_device *device,
 238                                                 DBusMessageIter *entry)
 239 {
 240         DBusMessageIter value, iter;
 241         const char *key = "Networks";
 242
 243         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 244
 245         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 246                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 247                                                                 &value);
 248
 249         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 250                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 251         __connman_element_list((struct connman_element *) device,
 252                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 253         dbus_message_iter_close_container(&value, &iter);
 254
 255         dbus_message_iter_close_container(entry, &value);
 256 }
 257
 258 static void emit_networks_signal(struct connman_device *device)
 259 {
 260         const char *path = connman_device_get_path(device);
 261         DBusMessage *signal;
 262         DBusMessageIter entry;
 263
 264         signal = dbus_message_new_signal(path,
 265                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 266         if (signal == NULL)
 267                 return;
 268
 269         dbus_message_iter_init_append(signal, &entry);
 270
 271         append_networks(device, &entry);
 272
 273         g_dbus_send_message(connection, signal);
 274 }
 275
 276 static int register_interface(struct connman_element *element)
 277 {
 278         struct connman_network *network = element->network;
 279
 280         DBG("element %p name %s", element, element->name);
 281
 282         if (g_dbus_register_interface(connection, element->path,
 283                                         CONNMAN_NETWORK_INTERFACE,
 284                                         network_methods, network_signals,
 285                                         NULL, network, NULL) == FALSE) {
 286                 connman_error("Failed to register %s network", element->path);
 287                 return -EIO;
 288         }
 289
 290         network->registered = TRUE;
 291
 292         emit_networks_signal(network->device);
 293
 294         return 0;
 295 }
 296
 297 static void unregister_interface(struct connman_element *element)
 298 {
 299         struct connman_network * network = element->network;
 300
 301         DBG("element %p name %s", element, element->name);
 302
 303         network->registered = FALSE;
 304
 305         emit_networks_signal(network->device);
 306
 307         g_dbus_unregister_interface(connection, element->path,
 308                                                 CONNMAN_NETWORK_INTERFACE);
 309 }
 310
 311 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 312 {
 313         if (network == NULL || network->driver == NULL)
 314                 return FALSE;
 315
 316         return network->registered;
 317 }
 318
 319 static GSList *driver_list = NULL;
 320
 321 static gint compare_priority(gconstpointer a, gconstpointer b)
 322 {
 323         const struct connman_network_driver *driver1 = a;
 324         const struct connman_network_driver *driver2 = b;
 325
 326         return driver2->priority - driver1->priority;
 327 }
 328
 329 /**
 330  * connman_network_driver_register:
 331  * @driver: network driver definition
 332  *
 333  * Register a new network driver
 334  *
 335  * Returns: %0 on success
 336  */
 337 int connman_network_driver_register(struct connman_network_driver *driver)
 338 {
 339         DBG("driver %p name %s", driver, driver->name);
 340
 341         driver_list = g_slist_insert_sorted(driver_list, driver,
 342                                                         compare_priority);
 343
 344         return 0;
 345 }
 346
 347 /**
 348  * connman_network_driver_unregister:
 349  * @driver: network driver definition
 350  *
 351  * Remove a previously registered network driver
 352  */
 353 void connman_network_driver_unregister(struct connman_network_driver *driver)
 354 {
 355         DBG("driver %p name %s", driver, driver->name);
 356
 357         driver_list = g_slist_remove(driver_list, driver);
 358 }
 359
 360 static void network_destruct(struct connman_element *element)
 361 {
 362         struct connman_network *network = element->network;
 363
 364         DBG("element %p name %s", element, element->name);
 365
 366         g_free(network->wifi.ssid);
 367         g_free(network->wifi.mode);
 368         g_free(network->wifi.security);
 369         g_free(network->wifi.passphrase);
 370
 371         g_free(network->group);
 372         g_free(network->node);
 373         g_free(network->name);
 374         g_free(network->address);
 375         g_free(network->identifier);
 376
 377         if (network->ipconfig) {
 378                 connman_ipconfig_unref(network->ipconfig);
 379                 network->ipconfig = NULL;
 380         }
 381 }
 382
 383 /**
 384  * connman_network_create:
 385  * @identifier: network identifier (for example an unqiue name)
 386  *
 387  * Allocate a new network and assign the #identifier to it.
 388  *
 389  * Returns: a newly-allocated #connman_network structure
 390  */
 391 struct connman_network *connman_network_create(const char *identifier,
 392                                                 enum connman_network_type type)
 393 {
 394         struct connman_network *network;
 395         connman_uint8_t strength = 0;
 396         const char *str;
 397         char *temp;
 398
 399         DBG("identifier %s type %d", identifier, type);
 400
 401         network = g_try_new0(struct connman_network, 1);
 402         if (network == NULL)
 403                 return NULL;
 404
 405         DBG("network %p", network);
 406
 407         __connman_element_initialize(&network->element);
 408
 409         //temp = connman_dbus_encode_string(identifier);
 410         if (identifier == NULL) {
 411                 temp = g_strdup_printf("hidden_%d", hidden_counter++);
 412                 network->hidden = TRUE;
 413         } else
 414                 temp = g_strdup(identifier);
 415
 416         if (temp == NULL) {
 417                 g_free(network);
 418                 return NULL;
 419         }
 420
 421         network->element.name = temp;
 422         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 423
 424         network->element.network = network;
 425         network->element.destruct = network_destruct;
 426
 427         str = type2string(type);
 428         if (str != NULL)
 429                 connman_element_set_string(&network->element, "Type", str);
 430
 431         connman_element_set_uint8(&network->element, "Strength", strength);
 432
 433         network->type       = type;
 434         network->secondary  = FALSE;
 435         network->identifier = g_strdup(temp);
 436
 437         return network;
 438 }
 439
 440 /**
 441  * connman_network_ref:
 442  * @network: network structure
 443  *
 444  * Increase reference counter of  network
 445  */
 446 struct connman_network *connman_network_ref(struct connman_network *network)
 447 {
 448         if (connman_element_ref(&network->element) == NULL)
 449                 return NULL;
 450
 451         return network;
 452 }
 453
 454 /**
 455  * connman_network_unref:
 456  * @network: network structure
 457  *
 458  * Decrease reference counter of network
 459  */
 460 void connman_network_unref(struct connman_network *network)
 461 {
 462         connman_element_unref(&network->element);
 463 }
 464
 465 const char *__connman_network_get_type(struct connman_network *network)
 466 {
 467         return type2string(network->type);
 468 }
 469
 470 /**
 471  * connman_network_get_type:
 472  * @network: network structure
 473  *
 474  * Get type of network
 475  */
 476 enum connman_network_type connman_network_get_type(struct connman_network *network)
 477 {
 478         return network->type;
 479 }
 480
 481 /**
 482  * connman_network_get_identifier:
 483  * @network: network structure
 484  *
 485  * Get identifier of network
 486  */
 487 const char *connman_network_get_identifier(struct connman_network *network)
 488 {
 489         return network->identifier;
 490 }
 491
 492 /**
 493  * connman_network_get_path:
 494  * @network: network structure
 495  *
 496  * Get path name of network
 497  */
 498 const char *connman_network_get_path(struct connman_network *network)
 499 {
 500         return network->element.path;
 501 }
 502
 503 /**
 504  * connman_network_set_index:
 505  * @network: network structure
 506  * @index: index number
 507  *
 508  * Set index number of network
 509  */
 510 void connman_network_set_index(struct connman_network *network, int index)
 511 {
 512         network->element.index = index;
 513 }
 514
 515 /**
 516  * connman_network_get_index:
 517  * @network: network structure
 518  *
 519  * Get index number of network
 520  */
 521 int connman_network_get_index(struct connman_network *network)
 522 {
 523         return network->element.index;
 524 }
 525
 526 /**
 527  * connman_network_set_protocol:
 528  * @network: network structure
 529  * @protocol: network protocol
 530  *
 531  * Change protocol of network
 532  */
 533 void connman_network_set_protocol(struct connman_network *network,
 534                                         enum connman_network_protocol protocol)
 535 {
 536         network->protocol = protocol;
 537 }
 538
 539 /**
 540  * connman_network_set_group:
 541  * @network: network structure
 542  * @group: group name
 543  *
 544  * Set group name for automatic clustering
 545  */
 546 void connman_network_set_group(struct connman_network *network,
 547                                                         const char *group)
 548 {
 549         if (network->secondary == TRUE)
 550                 return;
 551
 552         switch (network->type) {
 553         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 554         case CONNMAN_NETWORK_TYPE_VENDOR:
 555                 return;
 556         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 557         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 558         case CONNMAN_NETWORK_TYPE_MBM:
 559         case CONNMAN_NETWORK_TYPE_HSO:
 560         case CONNMAN_NETWORK_TYPE_WIFI:
 561         case CONNMAN_NETWORK_TYPE_WIMAX:
 562                 break;
 563         }
 564
 565         if (g_strcmp0(network->group, group) == 0) {
 566                 if (group != NULL)
 567                         __connman_profile_update_network(network);
 568                 return;
 569         }
 570
 571         if (network->group != NULL) {
 572                 __connman_profile_remove_network(network);
 573
 574                 g_free(network->group);
 575         }
 576
 577         network->group = g_strdup(group);
 578
 579         if (network->group != NULL)
 580                 __connman_profile_add_network(network);
 581 }
 582
 583 /**
 584  * connman_network_get_group:
 585  * @network: network structure
 586  *
 587  * Get group name for automatic clustering
 588  */
 589 const char *connman_network_get_group(struct connman_network *network)
 590 {
 591         return network->group;
 592 }
 593
 594 const char *__connman_network_get_ident(struct connman_network *network)
 595 {
 596         if (network->device == NULL)
 597                 return NULL;
 598
 599         return __connman_device_get_ident(network->device);
 600 }
 601
 602 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 603 {
 604         if (network->secondary == TRUE)
 605                 return FALSE;
 606
 607         switch (network->type) {
 608         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 609         case CONNMAN_NETWORK_TYPE_VENDOR:
 610         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 611         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 612         case CONNMAN_NETWORK_TYPE_MBM:
 613         case CONNMAN_NETWORK_TYPE_HSO:
 614         case CONNMAN_NETWORK_TYPE_WIMAX:
 615                 break;
 616         case CONNMAN_NETWORK_TYPE_WIFI:
 617                 if (network->strength > 0 && network->strength < 20)
 618                         return TRUE;
 619                 break;
 620         }
 621
 622         return FALSE;
 623 }
 624
 625 /**
 626  * connman_network_set_available:
 627  * @network: network structure
 628  * @available: availability state
 629  *
 630  * Change availability state of network (in range)
 631  */
 632 int connman_network_set_available(struct connman_network *network,
 633                                                 connman_bool_t available)
 634 {
 635         DBG("network %p available %d", network, available);
 636
 637         if (network->available == available)
 638                 return -EALREADY;
 639
 640         network->available = available;
 641
 642         return 0;
 643 }
 644
 645 /**
 646  * connman_network_get_available:
 647  * @network: network structure
 648  *
 649  * Get network available setting
 650  */
 651 connman_bool_t connman_network_get_available(struct connman_network *network)
 652 {
 653         if (network->hidden == TRUE)
 654                 return TRUE;
 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_element_unregister_children(&network->element);
 729
 730                 __connman_device_set_network(network->device, NULL);
 731                 network->hidden = FALSE;
 732
 733                 __connman_device_decrease_connections(network->device);
 734
 735                 __connman_service_indicate_state(service,
 736                                                 CONNMAN_SERVICE_STATE_IDLE);
 737         }
 738
 739         network->connecting = FALSE;
 740
 741         connman_network_set_associating(network, FALSE);
 742
 743         return FALSE;
 744 }
 745
 746 /**
 747  * connman_network_set_connected:
 748  * @network: network structure
 749  * @connected: connected state
 750  *
 751  * Change connected state of network
 752  */
 753 int connman_network_set_connected(struct connman_network *network,
 754                                                 connman_bool_t connected)
 755 {
 756         DBusMessage *signal;
 757         DBusMessageIter entry, value;
 758         const char *key = "Connected";
 759
 760         DBG("network %p connected %d", network, connected);
 761
 762         if ((network->connecting == TRUE || network->associating == TRUE) &&
 763                                                         connected == FALSE) {
 764                 connman_element_set_error(&network->element,
 765                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 766                 __connman_network_disconnect(network);
 767         }
 768
 769         if (network->connected == connected)
 770                 return -EALREADY;
 771
 772         network->connected = connected;
 773
 774         if (network->registered == FALSE) {
 775                 g_idle_add(set_connected, network);
 776                 return 0;
 777         }
 778
 779         signal = dbus_message_new_signal(network->element.path,
 780                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 781         if (signal == NULL)
 782                 return 0;
 783
 784         dbus_message_iter_init_append(signal, &entry);
 785
 786         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 787
 788         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 789                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 790         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 791         dbus_message_iter_close_container(&entry, &value);
 792
 793         g_dbus_send_message(connection, signal);
 794
 795         set_connected(network);
 796
 797         return 0;
 798 }
 799
 800 /**
 801  * connman_network_get_connected:
 802  * @network: network structure
 803  *
 804  * Get network connection status
 805  */
 806 connman_bool_t connman_network_get_connected(struct connman_network *network)
 807 {
 808         return network->connected;
 809 }
 810
 811 /**
 812  * connman_network_get_associating:
 813  * @network: network structure
 814  *
 815  * Get network associating status
 816  */
 817 connman_bool_t connman_network_get_associating(struct connman_network *network)
 818 {
 819         return network->associating;
 820 }
 821
 822 /**
 823  * __connman_network_connect:
 824  * @network: network structure
 825  *
 826  * Connect network
 827  */
 828 int __connman_network_connect(struct connman_network *network)
 829 {
 830         int err;
 831
 832         DBG("network %p", network);
 833
 834         if (network->connected == TRUE)
 835                 return -EISCONN;
 836
 837         if (network->connecting == TRUE || network->associating == TRUE)
 838                 return -EALREADY;
 839
 840         if (network->driver == NULL)
 841                 return -EUNATCH;
 842
 843         if (network->driver->connect == NULL)
 844                 return -ENOSYS;
 845
 846         __connman_device_disconnect(network->device);
 847
 848         network->connecting = TRUE;
 849
 850         err = network->driver->connect(network);
 851         if (err < 0) {
 852                 if (err == -EINPROGRESS)
 853                         connman_network_set_associating(network, TRUE);
 854                 else
 855                         network->hidden = FALSE;
 856
 857                 return err;
 858         }
 859
 860         network->connected = TRUE;
 861         set_connected(network);
 862
 863         return err;
 864 }
 865
 866 /**
 867  * __connman_network_disconnect:
 868  * @network: network structure
 869  *
 870  * Disconnect network
 871  */
 872 int __connman_network_disconnect(struct connman_network *network)
 873 {
 874         int err;
 875
 876         DBG("network %p", network);
 877
 878         if (network->connected == FALSE && network->connecting == FALSE &&
 879                                                 network->associating == FALSE)
 880                 return -ENOTCONN;
 881
 882         if (network->driver == NULL)
 883                 return -EUNATCH;
 884
 885         if (network->driver->disconnect == NULL)
 886                 return -ENOSYS;
 887
 888         network->connecting = FALSE;
 889
 890         err = network->driver->disconnect(network);
 891         if (err == 0) {
 892                 network->connected = FALSE;
 893                 set_connected(network);
 894         }
 895
 896         return err;
 897 }
 898
 899 /**
 900  * connman_network_set_address:
 901  * @network: network structure
 902  * @address: binary address value
 903  * @size: binary address length
 904  *
 905  * Set unique address value for network
 906  */
 907 int connman_network_set_address(struct connman_network *network,
 908                                 const void *address, unsigned int size)
 909 {
 910         const unsigned char *addr_octet = address;
 911         char *str;
 912
 913         DBG("network %p size %d", network, size);
 914
 915         if (size != 6)
 916                 return -EINVAL;
 917
 918         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 919                                 addr_octet[0], addr_octet[1], addr_octet[2],
 920                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 921         if (str == NULL)
 922                 return -ENOMEM;
 923
 924         g_free(network->address);
 925         network->address = str;
 926
 927         return connman_element_set_string(&network->element,
 928                                                 "Address", network->address);
 929 }
 930
 931 /**
 932  * connman_network_set_name:
 933  * @network: network structure
 934  * @name: name value
 935  *
 936  * Set display name value for network
 937  */
 938 int connman_network_set_name(struct connman_network *network,
 939                                                         const char *name)
 940 {
 941         DBG("network %p name %s", network, name);
 942
 943         g_free(network->name);
 944         network->name = g_strdup(name);
 945
 946         return connman_element_set_string(&network->element, "Name", name);
 947 }
 948
 949 /**
 950  * connman_network_set_strength:
 951  * @network: network structure
 952  * @strength: strength value
 953  *
 954  * Set signal strength value for network
 955  */
 956 int connman_network_set_strength(struct connman_network *network,
 957                                                 connman_uint8_t strength)
 958 {
 959         DBG("network %p strengh %d", network, strength);
 960
 961         network->strength = strength;
 962
 963         return connman_element_set_uint8(&network->element,
 964                                                 "Strength", strength);
 965 }
 966
 967 /**
 968  * connman_network_set_roaming:
 969  * @network: network structure
 970  * @roaming: roaming state
 971  *
 972  * Set roaming state for network
 973  */
 974 int connman_network_set_roaming(struct connman_network *network,
 975                                                 connman_bool_t roaming)
 976 {
 977         DBG("network %p roaming %d", network, roaming);
 978
 979         network->roaming = roaming;
 980
 981         return connman_element_set_bool(&network->element,
 982                                                 "Roaming", roaming);
 983 }
 984
 985 /**
 986  * connman_network_set_string:
 987  * @network: network structure
 988  * @key: unique identifier
 989  * @value: string value
 990  *
 991  * Set string value for specific key
 992  */
 993 int connman_network_set_string(struct connman_network *network,
 994                                         const char *key, const char *value)
 995 {
 996         DBG("network %p key %s value %s", network, key, value);
 997
 998         if (g_strcmp0(key, "Name") == 0)
 999                 return connman_network_set_name(network, value);
1000
1001         if (g_str_equal(key, "Address") == TRUE) {
1002                 g_free(network->address);
1003                 network->address = g_strdup(value);
1004         } else if (g_str_equal(key, "Node") == TRUE) {
1005                 g_free(network->node);
1006                 network->node = g_strdup(value);
1007         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1008                 g_free(network->wifi.mode);
1009                 network->wifi.mode = g_strdup(value);
1010         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1011                 g_free(network->wifi.security);
1012                 network->wifi.security = g_strdup(value);
1013         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1014                 g_free(network->wifi.passphrase);
1015                 network->wifi.passphrase = g_strdup(value);
1016         }
1017
1018         return connman_element_set_string(&network->element, key, value);
1019 }
1020
1021 /**
1022  * connman_network_get_string:
1023  * @network: network structure
1024  * @key: unique identifier
1025  *
1026  * Get string value for specific key
1027  */
1028 const char *connman_network_get_string(struct connman_network *network,
1029                                                         const char *key)
1030 {
1031         DBG("network %p key %s", network, key);
1032
1033         if (g_str_equal(key, "Address") == TRUE)
1034                 return network->address;
1035         else if (g_str_equal(key, "Name") == TRUE)
1036                 return network->name;
1037         else if (g_str_equal(key, "Node") == TRUE)
1038                 return network->node;
1039         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1040                 return network->wifi.mode;
1041         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1042                 return network->wifi.security;
1043         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1044                 return network->wifi.passphrase;
1045
1046         return connman_element_get_string(&network->element, key);
1047 }
1048
1049 /**
1050  * connman_network_set_bool:
1051  * @network: network structure
1052  * @key: unique identifier
1053  * @value: boolean value
1054  *
1055  * Set boolean value for specific key
1056  */
1057 int connman_network_set_bool(struct connman_network *network,
1058                                         const char *key, connman_bool_t value)
1059 {
1060         DBG("network %p key %s value %d", network, key, value);
1061
1062         if (g_strcmp0(key, "Roaming") == 0)
1063                 return connman_network_set_roaming(network, value);
1064
1065         return connman_element_set_bool(&network->element, key, value);
1066 }
1067
1068 /**
1069  * connman_network_get_bool:
1070  * @network: network structure
1071  * @key: unique identifier
1072  *
1073  * Get boolean value for specific key
1074  */
1075 connman_bool_t connman_network_get_bool(struct connman_network *network,
1076                                                         const char *key)
1077 {
1078         DBG("network %p key %s", network, key);
1079
1080         if (g_str_equal(key, "Roaming") == TRUE)
1081                 return network->roaming;
1082
1083         return connman_element_get_bool(&network->element, key);
1084 }
1085
1086 /**
1087  * connman_network_set_uint8:
1088  * @network: network structure
1089  * @key: unique identifier
1090  * @value: integer value
1091  *
1092  * Set integer value for specific key
1093  */
1094 int connman_network_set_uint8(struct connman_network *network,
1095                                         const char *key, connman_uint8_t value)
1096 {
1097         DBG("network %p key %s value %d", network, key, value);
1098
1099         if (g_strcmp0(key, "Strength") == 0)
1100                 return connman_network_set_strength(network, value);
1101
1102         return connman_element_set_uint8(&network->element, key, value);
1103 }
1104
1105 /**
1106  * connman_network_get_uint8:
1107  * @network: network structure
1108  * @key: unique identifier
1109  *
1110  * Get integer value for specific key
1111  */
1112 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1113                                                         const char *key)
1114 {
1115         DBG("network %p key %s", network, key);
1116
1117         if (g_str_equal(key, "Strength") == TRUE)
1118                 return network->strength;
1119
1120         return connman_element_get_uint8(&network->element, key);
1121 }
1122
1123 /**
1124  * connman_network_set_uint16:
1125  * @network: network structure
1126  * @key: unique identifier
1127  * @value: integer value
1128  *
1129  * Set integer value for specific key
1130  */
1131 int connman_network_set_uint16(struct connman_network *network,
1132                                 const char *key, connman_uint16_t value)
1133 {
1134         DBG("network %p key %s value %d", network, key, value);
1135
1136         if (g_str_equal(key, "Frequency") == TRUE)
1137                 network->frequency = value;
1138         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1139                 network->wifi.channel = value;
1140
1141         return -EINVAL;
1142 }
1143
1144 /**
1145  * connman_network_get_uint16:
1146  * @network: network structure
1147  * @key: unique identifier
1148  *
1149  * Get integer value for specific key
1150  */
1151 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1152                                                         const char *key)
1153 {
1154         DBG("network %p key %s", network, key);
1155
1156         if (g_str_equal(key, "Frequency") == TRUE)
1157                 return network->frequency;
1158         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1159                 return network->wifi.channel;
1160
1161         return 0;
1162 }
1163
1164 /**
1165  * connman_network_set_blob:
1166  * @network: network structure
1167  * @key: unique identifier
1168  * @data: blob data
1169  * @size: blob size
1170  *
1171  * Set binary blob value for specific key
1172  */
1173 int connman_network_set_blob(struct connman_network *network,
1174                         const char *key, const void *data, unsigned int size)
1175 {
1176         DBG("network %p key %s size %d", network, key, size);
1177
1178         if (g_strcmp0(key, "Address") == 0)
1179                 return connman_network_set_address(network, data, size);
1180
1181         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1182                 g_free(network->wifi.ssid);
1183                 network->wifi.ssid = g_try_malloc(size);
1184                 if (network->wifi.ssid != NULL) {
1185                         memcpy(network->wifi.ssid, data, size);
1186                         network->wifi.ssid_len = size;
1187                 } else
1188                         network->wifi.ssid_len = 0;
1189         }
1190
1191         return connman_element_set_blob(&network->element, key, data, size);
1192 }
1193
1194 /**
1195  * connman_network_get_blob:
1196  * @network: network structure
1197  * @key: unique identifier
1198  * @size: pointer to blob size
1199  *
1200  * Get binary blob value for specific key
1201  */
1202 const void *connman_network_get_blob(struct connman_network *network,
1203                                         const char *key, unsigned int *size)
1204 {
1205         DBG("network %p key %s", network, key);
1206
1207         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1208                 if (size != NULL)
1209                         *size = network->wifi.ssid_len;
1210                 return network->wifi.ssid;
1211         }
1212
1213         return connman_element_get_blob(&network->element, key, size);
1214 }
1215
1216 void __connman_network_set_device(struct connman_network *network,
1217                                         struct connman_device *device)
1218 {
1219         network->device = device;
1220 }
1221
1222 /**
1223  * connman_network_get_device:
1224  * @network: network structure
1225  *
1226  * Get parent device of network
1227  */
1228 struct connman_device *connman_network_get_device(struct connman_network *network)
1229 {
1230         return network->device;
1231 }
1232
1233 /**
1234  * connman_network_get_data:
1235  * @network: network structure
1236  *
1237  * Get private network data pointer
1238  */
1239 void *connman_network_get_data(struct connman_network *network)
1240 {
1241         return network->driver_data;
1242 }
1243
1244 /**
1245  * connman_network_set_data:
1246  * @network: network structure
1247  * @data: data pointer
1248  *
1249  * Set private network data pointer
1250  */
1251 void connman_network_set_data(struct connman_network *network, void *data)
1252 {
1253         network->driver_data = data;
1254 }
1255
1256 static gboolean match_driver(struct connman_network *network,
1257                                         struct connman_network_driver *driver)
1258 {
1259         if (network->type == driver->type ||
1260                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1261                 return TRUE;
1262
1263         return FALSE;
1264 }
1265
1266 static int network_probe(struct connman_element *element)
1267 {
1268         struct connman_network *network = element->network;
1269         GSList *list;
1270         int err;
1271
1272         DBG("element %p name %s", element, element->name);
1273
1274         if (network == NULL)
1275                 return -ENODEV;
1276
1277         for (list = driver_list; list; list = list->next) {
1278                 struct connman_network_driver *driver = list->data;
1279
1280                 if (match_driver(network, driver) == FALSE)
1281                         continue;
1282
1283                 DBG("driver %p name %s", driver, driver->name);
1284
1285                 if (driver->probe(network) == 0) {
1286                         network->driver = driver;
1287                         break;
1288                 }
1289         }
1290
1291         if (network->driver == NULL)
1292                 return -ENODEV;
1293
1294         err = register_interface(element);
1295         if (err < 0) {
1296                 if (network->driver->remove)
1297                         network->driver->remove(network);
1298                 return err;
1299         }
1300
1301         network->secondary = connman_device_get_secondary(network->device);
1302
1303         switch (network->type) {
1304         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1305         case CONNMAN_NETWORK_TYPE_VENDOR:
1306                 break;
1307         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1308         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1309         case CONNMAN_NETWORK_TYPE_MBM:
1310         case CONNMAN_NETWORK_TYPE_HSO:
1311         case CONNMAN_NETWORK_TYPE_WIFI:
1312         case CONNMAN_NETWORK_TYPE_WIMAX:
1313                 if (network->group != NULL && network->secondary == FALSE)
1314                         __connman_profile_add_network(network);
1315                 break;
1316         }
1317
1318         return 0;
1319 }
1320
1321 static void network_remove(struct connman_element *element)
1322 {
1323         struct connman_network *network = element->network;
1324
1325         DBG("element %p name %s", element, element->name);
1326
1327         if (network == NULL)
1328                 return;
1329
1330         if (network->driver == NULL)
1331                 return;
1332
1333         switch (network->type) {
1334         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1335         case CONNMAN_NETWORK_TYPE_VENDOR:
1336                 break;
1337         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1338         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1339         case CONNMAN_NETWORK_TYPE_MBM:
1340         case CONNMAN_NETWORK_TYPE_HSO:
1341         case CONNMAN_NETWORK_TYPE_WIFI:
1342         case CONNMAN_NETWORK_TYPE_WIMAX:
1343                 if (network->group != NULL && network->secondary == FALSE) {
1344                         __connman_profile_remove_network(network);
1345
1346                         g_free(network->group);
1347                         network->group = NULL;
1348                 }
1349                 break;
1350         }
1351
1352         unregister_interface(element);
1353
1354         if (network->driver->remove)
1355                 network->driver->remove(network);
1356 }
1357
1358 static void network_change(struct connman_element *element)
1359 {
1360         struct connman_network *network = element->network;
1361
1362         DBG("element %p name %s", element, element->name);
1363
1364         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1365                 return;
1366
1367         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1368                 return;
1369
1370         if (network->connected == FALSE)
1371                 return;
1372
1373         connman_element_unregister_children(element);
1374
1375         connman_device_set_disconnected(network->device, TRUE);
1376
1377         if (network->driver && network->driver->disconnect) {
1378                 network->driver->disconnect(network);
1379                 return;
1380         }
1381
1382         network->connected = FALSE;
1383 }
1384
1385 static struct connman_driver network_driver = {
1386         .name           = "network",
1387         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1388         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1389         .probe          = network_probe,
1390         .remove         = network_remove,
1391         .change         = network_change,
1392 };
1393
1394 int __connman_network_init(void)
1395 {
1396         DBG("");
1397
1398         connection = connman_dbus_get_connection();
1399
1400         return connman_driver_register(&network_driver);
1401 }
1402
1403 void __connman_network_cleanup(void)
1404 {
1405         DBG("");
1406
1407         connman_driver_unregister(&network_driver);
1408
1409         dbus_connection_unref(connection);
1410 }