src/network.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 struct connman_network {
  34         struct connman_element element;
  35         enum connman_network_type type;
  36         enum connman_network_protocol protocol;
  37         connman_bool_t secondary;
  38         connman_bool_t available;
  39         connman_bool_t connected;
  40         connman_bool_t hidden;
  41         connman_uint8_t strength;
  42         connman_uint16_t frequency;
  43         char *identifier;
  44         char *address;
  45         char *name;
  46         char *node;
  47         char *group;
  48         struct connman_ipconfig *ipconfig;
  49
  50         struct connman_network_driver *driver;
  51         void *driver_data;
  52
  53         connman_bool_t registered;
  54         connman_bool_t connecting;
  55         connman_bool_t associating;
  56
  57         struct connman_device *device;
  58
  59         struct {
  60                 void *ssid;
  61                 int ssid_len;
  62                 char *mode;
  63                 unsigned short channel;
  64                 char *security;
  65                 char *passphrase;
  66         } wifi;
  67 };
  68
  69 static const char *type2string(enum connman_network_type type)
  70 {
  71         switch (type) {
  72         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  73         case CONNMAN_NETWORK_TYPE_VENDOR:
  74                 break;
  75         case CONNMAN_NETWORK_TYPE_WIFI:
  76                 return "wifi";
  77         case CONNMAN_NETWORK_TYPE_WIMAX:
  78                 return "wimax";
  79         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  80         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  81                 return "bluetooth";
  82         case CONNMAN_NETWORK_TYPE_MBM:
  83         case CONNMAN_NETWORK_TYPE_HSO:
  84                 return "cellular";
  85         }
  86
  87         return NULL;
  88 }
  89
  90 static DBusMessage *get_properties(DBusConnection *conn,
  91                                         DBusMessage *msg, void *data)
  92 {
  93         struct connman_network *network = data;
  94         DBusMessage *reply;
  95         DBusMessageIter array, dict;
  96
  97         DBG("conn %p", conn);
  98
  99         if (__connman_security_check_privilege(msg,
 100                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 101                 return __connman_error_permission_denied(msg);
 102
 103         reply = dbus_message_new_method_return(msg);
 104         if (reply == NULL)
 105                 return NULL;
 106
 107         dbus_message_iter_init_append(reply, &array);
 108
 109         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 110                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 111                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 112                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 113
 114         if (network->device) {
 115                 const char *path = connman_device_get_path(network->device);
 116                 if (path != NULL)
 117                         connman_dbus_dict_append_variant(&dict, "Device",
 118                                                 DBUS_TYPE_OBJECT_PATH, &path);
 119         }
 120
 121         if (network->address != NULL)
 122                 connman_dbus_dict_append_variant(&dict, "Address",
 123                                         DBUS_TYPE_STRING, &network->address);
 124
 125         if (network->name != NULL)
 126                 connman_dbus_dict_append_variant(&dict, "Name",
 127                                         DBUS_TYPE_STRING, &network->name);
 128
 129         connman_dbus_dict_append_variant(&dict, "Connected",
 130                                 DBUS_TYPE_BOOLEAN, &network->connected);
 131
 132         if (network->strength > 0)
 133                 connman_dbus_dict_append_variant(&dict, "Strength",
 134                                         DBUS_TYPE_BYTE, &network->strength);
 135
 136         if (network->frequency > 0)
 137                 connman_dbus_dict_append_variant(&dict, "Frequency",
 138                                         DBUS_TYPE_UINT16, &network->frequency);
 139
 140         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 141                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 142                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 143                                                 network->wifi.ssid_len);
 144
 145         if (network->wifi.mode != NULL)
 146                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 147                                 DBUS_TYPE_STRING, &network->wifi.mode);
 148
 149         if (network->wifi.channel > 0)
 150                 connman_dbus_dict_append_variant(&dict, "WiFi.Channel",
 151                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 152
 153         if (network->wifi.security != NULL)
 154                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 155                                 DBUS_TYPE_STRING, &network->wifi.security);
 156
 157         if (network->wifi.passphrase != NULL &&
 158                         __connman_security_check_privilege(msg,
 159                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 160                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 161                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 162
 163         dbus_message_iter_close_container(&array, &dict);
 164
 165         return reply;
 166 }
 167
 168 static DBusMessage *set_property(DBusConnection *conn,
 169                                         DBusMessage *msg, void *data)
 170 {
 171         struct connman_network *network = data;
 172         DBusMessageIter iter, value;
 173         const char *name;
 174         int type;
 175
 176         DBG("conn %p", conn);
 177
 178         if (dbus_message_iter_init(msg, &iter) == FALSE)
 179                 return __connman_error_invalid_arguments(msg);
 180
 181         dbus_message_iter_get_basic(&iter, &name);
 182         dbus_message_iter_next(&iter);
 183         dbus_message_iter_recurse(&iter, &value);
 184
 185         if (__connman_security_check_privilege(msg,
 186                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 187                 return __connman_error_permission_denied(msg);
 188
 189         type = dbus_message_iter_get_arg_type(&value);
 190
 191         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 192                 const char *passphrase;
 193
 194                 if (type != DBUS_TYPE_STRING)
 195                         return __connman_error_invalid_arguments(msg);
 196
 197                 if (__connman_security_check_privilege(msg,
 198                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 199                         return __connman_error_permission_denied(msg);
 200
 201                 dbus_message_iter_get_basic(&value, &passphrase);
 202
 203                 g_free(network->wifi.passphrase);
 204                 network->wifi.passphrase = g_strdup(passphrase);
 205         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 206                 int err;
 207
 208                 err = __connman_ipconfig_set_ipv4(network->ipconfig,
 209                                                         name + 5, &value);
 210                 if (err < 0)
 211                         return __connman_error_failed(msg, -err);
 212         } else
 213                 return __connman_error_invalid_property(msg);
 214
 215         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 216 }
 217
 218 static GDBusMethodTable network_methods[] = {
 219         { "GetProperties", "",   "a{sv}", get_properties },
 220         { "SetProperty",   "sv", "",      set_property   },
 221         { },
 222 };
 223
 224 static GDBusSignalTable network_signals[] = {
 225         { "PropertyChanged", "sv" },
 226         { },
 227 };
 228
 229 static DBusConnection *connection;
 230
 231 static void append_networks(struct connman_device *device,
 232                                                 DBusMessageIter *entry)
 233 {
 234         DBusMessageIter value, iter;
 235         const char *key = "Networks";
 236
 237         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 238
 239         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 240                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 241                                                                 &value);
 242
 243         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 244                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 245         __connman_element_list((struct connman_element *) device,
 246                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 247         dbus_message_iter_close_container(&value, &iter);
 248
 249         dbus_message_iter_close_container(entry, &value);
 250 }
 251
 252 static void emit_networks_signal(struct connman_device *device)
 253 {
 254         const char *path = connman_device_get_path(device);
 255         DBusMessage *signal;
 256         DBusMessageIter entry;
 257
 258         signal = dbus_message_new_signal(path,
 259                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 260         if (signal == NULL)
 261                 return;
 262
 263         dbus_message_iter_init_append(signal, &entry);
 264
 265         append_networks(device, &entry);
 266
 267         g_dbus_send_message(connection, signal);
 268 }
 269
 270 static int register_interface(struct connman_element *element)
 271 {
 272         struct connman_network *network = element->network;
 273
 274         DBG("element %p name %s", element, element->name);
 275
 276         if (g_dbus_register_interface(connection, element->path,
 277                                         CONNMAN_NETWORK_INTERFACE,
 278                                         network_methods, network_signals,
 279                                         NULL, network, NULL) == FALSE) {
 280                 connman_error("Failed to register %s network", element->path);
 281                 return -EIO;
 282         }
 283
 284         network->registered = TRUE;
 285
 286         emit_networks_signal(network->device);
 287
 288         return 0;
 289 }
 290
 291 static void unregister_interface(struct connman_element *element)
 292 {
 293         struct connman_network * network = element->network;
 294
 295         DBG("element %p name %s", element, element->name);
 296
 297         network->registered = FALSE;
 298
 299         emit_networks_signal(network->device);
 300
 301         g_dbus_unregister_interface(connection, element->path,
 302                                                 CONNMAN_NETWORK_INTERFACE);
 303 }
 304
 305 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 306 {
 307         if (network == NULL || network->driver == NULL)
 308                 return FALSE;
 309
 310         return network->registered;
 311 }
 312
 313 static GSList *driver_list = NULL;
 314
 315 static gint compare_priority(gconstpointer a, gconstpointer b)
 316 {
 317         const struct connman_network_driver *driver1 = a;
 318         const struct connman_network_driver *driver2 = b;
 319
 320         return driver2->priority - driver1->priority;
 321 }
 322
 323 /**
 324  * connman_network_driver_register:
 325  * @driver: network driver definition
 326  *
 327  * Register a new network driver
 328  *
 329  * Returns: %0 on success
 330  */
 331 int connman_network_driver_register(struct connman_network_driver *driver)
 332 {
 333         DBG("driver %p name %s", driver, driver->name);
 334
 335         driver_list = g_slist_insert_sorted(driver_list, driver,
 336                                                         compare_priority);
 337
 338         return 0;
 339 }
 340
 341 /**
 342  * connman_network_driver_unregister:
 343  * @driver: network driver definition
 344  *
 345  * Remove a previously registered network driver
 346  */
 347 void connman_network_driver_unregister(struct connman_network_driver *driver)
 348 {
 349         DBG("driver %p name %s", driver, driver->name);
 350
 351         driver_list = g_slist_remove(driver_list, driver);
 352 }
 353
 354 static void network_destruct(struct connman_element *element)
 355 {
 356         struct connman_network *network = element->network;
 357
 358         DBG("element %p name %s", element, element->name);
 359
 360         g_free(network->wifi.ssid);
 361         g_free(network->wifi.mode);
 362         g_free(network->wifi.security);
 363         g_free(network->wifi.passphrase);
 364
 365         g_free(network->group);
 366         g_free(network->node);
 367         g_free(network->name);
 368         g_free(network->address);
 369         g_free(network->identifier);
 370
 371         connman_ipconfig_unref(network->ipconfig);
 372 }
 373
 374 /**
 375  * connman_network_create:
 376  * @identifier: network identifier (for example an unqiue name)
 377  *
 378  * Allocate a new network and assign the #identifier to it.
 379  *
 380  * Returns: a newly-allocated #connman_network structure
 381  */
 382 struct connman_network *connman_network_create(const char *identifier,
 383                                                 enum connman_network_type type)
 384 {
 385         struct connman_network *network;
 386         connman_uint8_t strength = 0;
 387         const char *str;
 388         char *temp;
 389
 390         DBG("identifier %s type %d", identifier, type);
 391
 392         network = g_try_new0(struct connman_network, 1);
 393         if (network == NULL)
 394                 return NULL;
 395
 396         DBG("network %p", network);
 397
 398         __connman_element_initialize(&network->element);
 399
 400         //temp = connman_dbus_encode_string(identifier);
 401         if (identifier == NULL) {
 402                 temp = g_strdup("hidden");
 403                 network->hidden = TRUE;
 404         } else
 405                 temp = g_strdup(identifier);
 406
 407         if (temp == NULL) {
 408                 g_free(network);
 409                 return NULL;
 410         }
 411
 412         network->element.name = temp;
 413         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 414
 415         network->element.network = network;
 416         network->element.destruct = network_destruct;
 417
 418         str = type2string(type);
 419         if (str != NULL)
 420                 connman_element_set_string(&network->element, "Type", str);
 421
 422         connman_element_set_uint8(&network->element, "Strength", strength);
 423
 424         network->type       = type;
 425         network->secondary  = FALSE;
 426         network->identifier = g_strdup(temp);
 427
 428         network->ipconfig = connman_ipconfig_create();
 429         if (network->ipconfig == NULL) {
 430                 connman_network_unref(network);
 431                 return NULL;
 432         }
 433
 434         return network;
 435 }
 436
 437 /**
 438  * connman_network_ref:
 439  * @network: network structure
 440  *
 441  * Increase reference counter of  network
 442  */
 443 struct connman_network *connman_network_ref(struct connman_network *network)
 444 {
 445         if (connman_element_ref(&network->element) == NULL)
 446                 return NULL;
 447
 448         return network;
 449 }
 450
 451 /**
 452  * connman_network_unref:
 453  * @network: network structure
 454  *
 455  * Decrease reference counter of network
 456  */
 457 void connman_network_unref(struct connman_network *network)
 458 {
 459         connman_element_unref(&network->element);
 460 }
 461
 462 const char *__connman_network_get_type(struct connman_network *network)
 463 {
 464         return type2string(network->type);
 465 }
 466
 467 /**
 468  * connman_network_get_type:
 469  * @network: network structure
 470  *
 471  * Get type of network
 472  */
 473 enum connman_network_type connman_network_get_type(struct connman_network *network)
 474 {
 475         return network->type;
 476 }
 477
 478 /**
 479  * connman_network_get_identifier:
 480  * @network: network structure
 481  *
 482  * Get identifier of network
 483  */
 484 const char *connman_network_get_identifier(struct connman_network *network)
 485 {
 486         return network->identifier;
 487 }
 488
 489 /**
 490  * connman_network_get_path:
 491  * @network: network structure
 492  *
 493  * Get path name of network
 494  */
 495 const char *connman_network_get_path(struct connman_network *network)
 496 {
 497         return network->element.path;
 498 }
 499
 500 /**
 501  * connman_network_set_index:
 502  * @network: network structure
 503  * @index: index number
 504  *
 505  * Set index number of network
 506  */
 507 void connman_network_set_index(struct connman_network *network, int index)
 508 {
 509         network->element.index = index;
 510 }
 511
 512 /**
 513  * connman_network_get_index:
 514  * @network: network structure
 515  *
 516  * Get index number of network
 517  */
 518 int connman_network_get_index(struct connman_network *network)
 519 {
 520         return network->element.index;
 521 }
 522
 523 /**
 524  * connman_network_set_protocol:
 525  * @network: network structure
 526  * @protocol: network protocol
 527  *
 528  * Change protocol of network
 529  */
 530 void connman_network_set_protocol(struct connman_network *network,
 531                                         enum connman_network_protocol protocol)
 532 {
 533         network->protocol = protocol;
 534 }
 535
 536 /**
 537  * connman_network_set_group:
 538  * @network: network structure
 539  * @group: group name
 540  *
 541  * Set group name for automatic clustering
 542  */
 543 void connman_network_set_group(struct connman_network *network,
 544                                                         const char *group)
 545 {
 546         if (network->secondary == TRUE)
 547                 return;
 548
 549         if (g_strcmp0(network->group, group) == 0)
 550                 return;
 551
 552         switch (network->type) {
 553         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 554         case CONNMAN_NETWORK_TYPE_VENDOR:
 555         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 556         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 557                 return;
 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 (network->group != NULL) {
 566                 __connman_profile_remove_network(network);
 567
 568                 g_free(network->group);
 569         }
 570
 571         network->group = g_strdup(group);
 572
 573         if (network->group != NULL)
 574                 __connman_profile_add_network(network);
 575 }
 576
 577 /**
 578  * connman_network_get_group:
 579  * @network: network structure
 580  *
 581  * Get group name for automatic clustering
 582  */
 583 const char *connman_network_get_group(struct connman_network *network)
 584 {
 585         return network->group;
 586 }
 587
 588 const char *__connman_network_get_ident(struct connman_network *network)
 589 {
 590         if (network->device == NULL)
 591                 return NULL;
 592
 593         return __connman_device_get_ident(network->device);
 594 }
 595
 596 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 597 {
 598         if (network->secondary == TRUE)
 599                 return FALSE;
 600
 601         switch (network->type) {
 602         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 603         case CONNMAN_NETWORK_TYPE_VENDOR:
 604         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 605         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 606         case CONNMAN_NETWORK_TYPE_MBM:
 607         case CONNMAN_NETWORK_TYPE_HSO:
 608         case CONNMAN_NETWORK_TYPE_WIMAX:
 609                 break;
 610         case CONNMAN_NETWORK_TYPE_WIFI:
 611                 if (network->strength > 0 && network->strength < 20)
 612                         return TRUE;
 613                 break;
 614         }
 615
 616         return FALSE;
 617 }
 618
 619 /**
 620  * connman_network_set_available:
 621  * @network: network structure
 622  * @available: availability state
 623  *
 624  * Change availability state of network (in range)
 625  */
 626 int connman_network_set_available(struct connman_network *network,
 627                                                 connman_bool_t available)
 628 {
 629         DBG("network %p available %d", network, available);
 630
 631         if (network->available == available)
 632                 return -EALREADY;
 633
 634         network->available = available;
 635
 636         return 0;
 637 }
 638
 639 /**
 640  * connman_network_get_available:
 641  * @network: network structure
 642  *
 643  * Get network available setting
 644  */
 645 connman_bool_t connman_network_get_available(struct connman_network *network)
 646 {
 647         if (network->hidden == TRUE)
 648                 return TRUE;
 649
 650         return network->available;
 651 }
 652
 653 /**
 654  * connman_network_set_associating:
 655  * @network: network structure
 656  * @associating: associating state
 657  *
 658  * Change associating state of network
 659  */
 660 int connman_network_set_associating(struct connman_network *network,
 661                                                 connman_bool_t associating)
 662 {
 663         DBG("network %p associating %d", network, associating);
 664
 665         if (network->associating == associating)
 666                 return -EALREADY;
 667
 668         network->associating = associating;
 669
 670         if (associating == TRUE) {
 671                 struct connman_service *service;
 672
 673                 service = __connman_service_lookup_from_network(network);
 674                 __connman_service_indicate_state(service,
 675                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 676         }
 677
 678         return 0;
 679 }
 680
 681 static gboolean set_connected(gpointer user_data)
 682 {
 683         struct connman_network *network = user_data;
 684         struct connman_service *service;
 685
 686         service = __connman_service_lookup_from_network(network);
 687
 688         if (network->connected == TRUE) {
 689                 struct connman_element *element;
 690                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 691
 692                 switch (network->protocol) {
 693                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 694                         return 0;
 695                 case CONNMAN_NETWORK_PROTOCOL_IP:
 696                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 697                         break;
 698                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 699                         type = CONNMAN_ELEMENT_TYPE_PPP;
 700                         break;
 701                 }
 702
 703                 __connman_device_increase_connections(network->device);
 704
 705                 __connman_device_set_network(network->device, network);
 706
 707                 connman_device_set_disconnected(network->device, FALSE);
 708
 709                 element = connman_element_create(NULL);
 710                 if (element != NULL) {
 711                         element->type  = type;
 712                         element->index = network->element.index;
 713
 714                         if (connman_element_register(element,
 715                                                 &network->element) < 0)
 716                                 connman_element_unref(element);
 717
 718                         __connman_service_indicate_state(service,
 719                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 720                 }
 721         } else {
 722                 connman_element_unregister_children(&network->element);
 723
 724                 __connman_device_set_network(network->device, NULL);
 725                 network->hidden = FALSE;
 726
 727                 __connman_device_decrease_connections(network->device);
 728
 729                 __connman_service_indicate_state(service,
 730                                                 CONNMAN_SERVICE_STATE_IDLE);
 731         }
 732
 733         network->connecting = FALSE;
 734
 735         connman_network_set_associating(network, FALSE);
 736
 737         return FALSE;
 738 }
 739
 740 /**
 741  * connman_network_set_connected:
 742  * @network: network structure
 743  * @connected: connected state
 744  *
 745  * Change connected state of network
 746  */
 747 int connman_network_set_connected(struct connman_network *network,
 748                                                 connman_bool_t connected)
 749 {
 750         DBusMessage *signal;
 751         DBusMessageIter entry, value;
 752         const char *key = "Connected";
 753
 754         DBG("network %p connected %d", network, connected);
 755
 756         if ((network->connecting == TRUE || network->associating == TRUE) &&
 757                                                         connected == FALSE) {
 758                 connman_element_set_error(&network->element,
 759                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 760                 __connman_network_disconnect(network);
 761         }
 762
 763         if (network->connected == connected)
 764                 return -EALREADY;
 765
 766         network->connected = connected;
 767
 768         if (network->registered == FALSE) {
 769                 g_idle_add(set_connected, network);
 770                 return 0;
 771         }
 772
 773         signal = dbus_message_new_signal(network->element.path,
 774                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 775         if (signal == NULL)
 776                 return 0;
 777
 778         dbus_message_iter_init_append(signal, &entry);
 779
 780         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 781
 782         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 783                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 784         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 785         dbus_message_iter_close_container(&entry, &value);
 786
 787         g_dbus_send_message(connection, signal);
 788
 789         set_connected(network);
 790
 791         return 0;
 792 }
 793
 794 /**
 795  * connman_network_get_connected:
 796  * @network: network structure
 797  *
 798  * Get network connection status
 799  */
 800 connman_bool_t connman_network_get_connected(struct connman_network *network)
 801 {
 802         return network->connected;
 803 }
 804
 805 /**
 806  * connman_network_get_associating:
 807  * @network: network structure
 808  *
 809  * Get network associating status
 810  */
 811 connman_bool_t connman_network_get_associating(struct connman_network *network)
 812 {
 813         return network->associating;
 814 }
 815
 816 /**
 817  * __connman_network_connect:
 818  * @network: network structure
 819  *
 820  * Connect network
 821  */
 822 int __connman_network_connect(struct connman_network *network)
 823 {
 824         int err;
 825
 826         DBG("network %p", network);
 827
 828         if (network->connected == TRUE)
 829                 return -EISCONN;
 830
 831         if (network->connecting == TRUE || network->associating == TRUE)
 832                 return -EALREADY;
 833
 834         if (network->driver == NULL)
 835                 return -EUNATCH;
 836
 837         if (network->driver->connect == NULL)
 838                 return -ENOSYS;
 839
 840         __connman_device_disconnect(network->device);
 841
 842         network->connecting = TRUE;
 843
 844         err = network->driver->connect(network);
 845         if (err < 0) {
 846                 if (err == -EINPROGRESS)
 847                         connman_network_set_associating(network, TRUE);
 848                 else
 849                         network->hidden = FALSE;
 850
 851                 return err;
 852         }
 853
 854         network->connected = TRUE;
 855         set_connected(network);
 856
 857         return err;
 858 }
 859
 860 /**
 861  * __connman_network_disconnect:
 862  * @network: network structure
 863  *
 864  * Disconnect network
 865  */
 866 int __connman_network_disconnect(struct connman_network *network)
 867 {
 868         int err;
 869
 870         DBG("network %p", network);
 871
 872         if (network->connected == FALSE && network->connecting == FALSE &&
 873                                                 network->associating == FALSE)
 874                 return -ENOTCONN;
 875
 876         if (network->driver == NULL)
 877                 return -EUNATCH;
 878
 879         if (network->driver->disconnect == NULL)
 880                 return -ENOSYS;
 881
 882         network->connecting = FALSE;
 883
 884         err = network->driver->disconnect(network);
 885         if (err == 0) {
 886                 network->connected = FALSE;
 887                 set_connected(network);
 888         }
 889
 890         return err;
 891 }
 892
 893 /**
 894  * connman_network_set_address:
 895  * @network: network structure
 896  * @address: binary address value
 897  * @size: binary address length
 898  *
 899  * Set unique address value for network
 900  */
 901 int connman_network_set_address(struct connman_network *network,
 902                                 const void *address, unsigned int size)
 903 {
 904         const unsigned char *addr_octet = address;
 905         char *str;
 906
 907         DBG("network %p size %d", network, size);
 908
 909         if (size != 6)
 910                 return -EINVAL;
 911
 912         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 913                                 addr_octet[0], addr_octet[1], addr_octet[2],
 914                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 915         if (str == NULL)
 916                 return -ENOMEM;
 917
 918         g_free(network->address);
 919         network->address = str;
 920
 921         return connman_element_set_string(&network->element,
 922                                                 "Address", network->address);
 923 }
 924
 925 /**
 926  * connman_network_set_name:
 927  * @network: network structure
 928  * @name: name value
 929  *
 930  * Set display name value for network
 931  */
 932 int connman_network_set_name(struct connman_network *network,
 933                                                         const char *name)
 934 {
 935         DBG("network %p name %s", network, name);
 936
 937         g_free(network->name);
 938         network->name = g_strdup(name);
 939
 940         return connman_element_set_string(&network->element, "Name", name);
 941 }
 942
 943 /**
 944  * connman_network_set_strength:
 945  * @network: network structure
 946  * @strength: strength value
 947  *
 948  * Set signal strength value for network
 949  */
 950 int connman_network_set_strength(struct connman_network *network,
 951                                                 connman_uint8_t strength)
 952 {
 953         DBG("network %p strengh %d", network, strength);
 954
 955         network->strength = strength;
 956
 957         return connman_element_set_uint8(&network->element,
 958                                                 "Strength", strength);
 959 }
 960
 961 /**
 962  * connman_network_set_string:
 963  * @network: network structure
 964  * @key: unique identifier
 965  * @value: string value
 966  *
 967  * Set string value for specific key
 968  */
 969 int connman_network_set_string(struct connman_network *network,
 970                                         const char *key, const char *value)
 971 {
 972         DBG("network %p key %s value %s", network, key, value);
 973
 974         if (g_strcmp0(key, "Name") == 0)
 975                 return connman_network_set_name(network, value);
 976
 977         if (g_str_equal(key, "Address") == TRUE) {
 978                 g_free(network->address);
 979                 network->address = g_strdup(value);
 980         } else if (g_str_equal(key, "Node") == TRUE) {
 981                 g_free(network->node);
 982                 network->node = g_strdup(value);
 983         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 984                 g_free(network->wifi.mode);
 985                 network->wifi.mode = g_strdup(value);
 986         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 987                 g_free(network->wifi.security);
 988                 network->wifi.security = g_strdup(value);
 989         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 990                 g_free(network->wifi.passphrase);
 991                 network->wifi.passphrase = g_strdup(value);
 992         }
 993
 994         return connman_element_set_string(&network->element, key, value);
 995 }
 996
 997 /**
 998  * connman_network_get_string:
 999  * @network: network structure
1000  * @key: unique identifier
1001  *
1002  * Get string value for specific key
1003  */
1004 const char *connman_network_get_string(struct connman_network *network,
1005                                                         const char *key)
1006 {
1007         DBG("network %p key %s", network, key);
1008
1009         if (g_str_equal(key, "Address") == TRUE)
1010                 return network->address;
1011         else if (g_str_equal(key, "Name") == TRUE)
1012                 return network->name;
1013         else if (g_str_equal(key, "Node") == TRUE)
1014                 return network->node;
1015         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1016                 return network->wifi.mode;
1017         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1018                 return network->wifi.security;
1019         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1020                 return network->wifi.passphrase;
1021
1022         return connman_element_get_string(&network->element, key);
1023 }
1024
1025 /**
1026  * connman_network_set_uint8:
1027  * @network: network structure
1028  * @key: unique identifier
1029  * @value: integer value
1030  *
1031  * Set integer value for specific key
1032  */
1033 int connman_network_set_uint8(struct connman_network *network,
1034                                         const char *key, connman_uint8_t value)
1035 {
1036         DBG("network %p key %s value %d", network, key, value);
1037
1038         if (g_strcmp0(key, "Strength") == 0)
1039                 return connman_network_set_strength(network, value);
1040
1041         return connman_element_set_uint8(&network->element, key, value);
1042 }
1043
1044 /**
1045  * connman_network_get_uint8:
1046  * @network: network structure
1047  * @key: unique identifier
1048  *
1049  * Get integer value for specific key
1050  */
1051 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1052                                                         const char *key)
1053 {
1054         DBG("network %p key %s", network, key);
1055
1056         if (g_str_equal(key, "Strength") == TRUE)
1057                 return network->strength;
1058
1059         return connman_element_get_uint8(&network->element, key);
1060 }
1061
1062 /**
1063  * connman_network_set_uint16:
1064  * @network: network structure
1065  * @key: unique identifier
1066  * @value: integer value
1067  *
1068  * Set integer value for specific key
1069  */
1070 int connman_network_set_uint16(struct connman_network *network,
1071                                 const char *key, connman_uint16_t value)
1072 {
1073         DBG("network %p key %s value %d", network, key, value);
1074
1075         if (g_str_equal(key, "Frequency") == TRUE)
1076                 network->frequency = value;
1077         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1078                 network->wifi.channel = value;
1079
1080         return -EINVAL;
1081 }
1082
1083 /**
1084  * connman_network_get_uint16:
1085  * @network: network structure
1086  * @key: unique identifier
1087  *
1088  * Get integer value for specific key
1089  */
1090 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1091                                                         const char *key)
1092 {
1093         DBG("network %p key %s", network, key);
1094
1095         if (g_str_equal(key, "Frequency") == TRUE)
1096                 return network->frequency;
1097         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1098                 return network->wifi.channel;
1099
1100         return 0;
1101 }
1102
1103 /**
1104  * connman_network_set_blob:
1105  * @network: network structure
1106  * @key: unique identifier
1107  * @data: blob data
1108  * @size: blob size
1109  *
1110  * Set binary blob value for specific key
1111  */
1112 int connman_network_set_blob(struct connman_network *network,
1113                         const char *key, const void *data, unsigned int size)
1114 {
1115         DBG("network %p key %s size %d", network, key, size);
1116
1117         if (g_strcmp0(key, "Address") == 0)
1118                 return connman_network_set_address(network, data, size);
1119
1120         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1121                 g_free(network->wifi.ssid);
1122                 network->wifi.ssid = g_try_malloc(size);
1123                 if (network->wifi.ssid != NULL) {
1124                         memcpy(network->wifi.ssid, data, size);
1125                         network->wifi.ssid_len = size;
1126                 } else
1127                         network->wifi.ssid_len = 0;
1128         }
1129
1130         return connman_element_set_blob(&network->element, key, data, size);
1131 }
1132
1133 /**
1134  * connman_network_get_blob:
1135  * @network: network structure
1136  * @key: unique identifier
1137  * @size: pointer to blob size
1138  *
1139  * Get binary blob value for specific key
1140  */
1141 const void *connman_network_get_blob(struct connman_network *network,
1142                                         const char *key, unsigned int *size)
1143 {
1144         DBG("network %p key %s", network, key);
1145
1146         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1147                 if (size != NULL)
1148                         *size = network->wifi.ssid_len;
1149                 return network->wifi.ssid;
1150         }
1151
1152         return connman_element_get_blob(&network->element, key, size);
1153 }
1154
1155 void __connman_network_set_device(struct connman_network *network,
1156                                         struct connman_device *device)
1157 {
1158         network->device = device;
1159 }
1160
1161 /**
1162  * connman_network_get_device:
1163  * @network: network structure
1164  *
1165  * Get parent device of network
1166  */
1167 struct connman_device *connman_network_get_device(struct connman_network *network)
1168 {
1169         return network->device;
1170 }
1171
1172 /**
1173  * connman_network_get_data:
1174  * @network: network structure
1175  *
1176  * Get private network data pointer
1177  */
1178 void *connman_network_get_data(struct connman_network *network)
1179 {
1180         return network->driver_data;
1181 }
1182
1183 /**
1184  * connman_network_set_data:
1185  * @network: network structure
1186  * @data: data pointer
1187  *
1188  * Set private network data pointer
1189  */
1190 void connman_network_set_data(struct connman_network *network, void *data)
1191 {
1192         network->driver_data = data;
1193 }
1194
1195 static gboolean match_driver(struct connman_network *network,
1196                                         struct connman_network_driver *driver)
1197 {
1198         if (network->type == driver->type ||
1199                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1200                 return TRUE;
1201
1202         return FALSE;
1203 }
1204
1205 static int network_probe(struct connman_element *element)
1206 {
1207         struct connman_network *network = element->network;
1208         GSList *list;
1209         int err;
1210
1211         DBG("element %p name %s", element, element->name);
1212
1213         if (network == NULL)
1214                 return -ENODEV;
1215
1216         for (list = driver_list; list; list = list->next) {
1217                 struct connman_network_driver *driver = list->data;
1218
1219                 if (match_driver(network, driver) == FALSE)
1220                         continue;
1221
1222                 DBG("driver %p name %s", driver, driver->name);
1223
1224                 if (driver->probe(network) == 0) {
1225                         network->driver = driver;
1226                         break;
1227                 }
1228         }
1229
1230         if (network->driver == NULL)
1231                 return -ENODEV;
1232
1233         err = register_interface(element);
1234         if (err < 0) {
1235                 if (network->driver->remove)
1236                         network->driver->remove(network);
1237                 return err;
1238         }
1239
1240         network->secondary = connman_device_get_secondary(network->device);
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                 break;
1248         case CONNMAN_NETWORK_TYPE_MBM:
1249         case CONNMAN_NETWORK_TYPE_HSO:
1250         case CONNMAN_NETWORK_TYPE_WIFI:
1251         case CONNMAN_NETWORK_TYPE_WIMAX:
1252                 if (network->group != NULL && network->secondary == FALSE)
1253                         __connman_profile_add_network(network);
1254                 break;
1255         }
1256
1257         return 0;
1258 }
1259
1260 static void network_remove(struct connman_element *element)
1261 {
1262         struct connman_network *network = element->network;
1263
1264         DBG("element %p name %s", element, element->name);
1265
1266         if (network == NULL)
1267                 return;
1268
1269         if (network->driver == NULL)
1270                 return;
1271
1272         switch (network->type) {
1273         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1274         case CONNMAN_NETWORK_TYPE_VENDOR:
1275         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1276         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1277                 break;
1278         case CONNMAN_NETWORK_TYPE_MBM:
1279         case CONNMAN_NETWORK_TYPE_HSO:
1280         case CONNMAN_NETWORK_TYPE_WIFI:
1281         case CONNMAN_NETWORK_TYPE_WIMAX:
1282                 if (network->group != NULL && network->secondary == FALSE) {
1283                         __connman_profile_remove_network(network);
1284
1285                         g_free(network->group);
1286                         network->group = NULL;
1287                 }
1288                 break;
1289         }
1290
1291         unregister_interface(element);
1292
1293         if (network->driver->remove)
1294                 network->driver->remove(network);
1295 }
1296
1297 static void network_change(struct connman_element *element)
1298 {
1299         struct connman_network *network = element->network;
1300
1301         DBG("element %p name %s", element, element->name);
1302
1303         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1304                 return;
1305
1306         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1307                 return;
1308
1309         if (network->connected == FALSE)
1310                 return;
1311
1312         connman_element_unregister_children(element);
1313
1314         connman_device_set_disconnected(network->device, TRUE);
1315
1316         if (network->driver && network->driver->disconnect) {
1317                 network->driver->disconnect(network);
1318                 return;
1319         }
1320
1321         network->connected = FALSE;
1322 }
1323
1324 static struct connman_driver network_driver = {
1325         .name           = "network",
1326         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1327         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1328         .probe          = network_probe,
1329         .remove         = network_remove,
1330         .change         = network_change,
1331 };
1332
1333 int __connman_network_init(void)
1334 {
1335         DBG("");
1336
1337         connection = connman_dbus_get_connection();
1338
1339         return connman_driver_register(&network_driver);
1340 }
1341
1342 void __connman_network_cleanup(void)
1343 {
1344         DBG("");
1345
1346         connman_driver_unregister(&network_driver);
1347
1348         dbus_connection_unref(connection);
1349 }