src/network.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 struct connman_network {
  34         struct connman_element element;
  35         enum connman_network_type type;
  36         enum connman_network_protocol protocol;
  37         connman_bool_t associating;
  38         connman_bool_t secondary;
  39         connman_bool_t available;
  40         connman_bool_t connected;
  41         connman_uint8_t strength;
  42         connman_uint16_t frequency;
  43         char *identifier;
  44         char *address;
  45         char *name;
  46         char *node;
  47         char *group;
  48         struct connman_ipconfig *ipconfig;
  49
  50         struct connman_network_driver *driver;
  51         void *driver_data;
  52
  53         connman_bool_t registered;
  54
  55         struct connman_device *device;
  56
  57         struct {
  58                 void *ssid;
  59                 int ssid_len;
  60                 char *mode;
  61                 unsigned short channel;
  62                 char *security;
  63                 char *passphrase;
  64         } wifi;
  65 };
  66
  67 static const char *type2string(enum connman_network_type type)
  68 {
  69         switch (type) {
  70         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  71         case CONNMAN_NETWORK_TYPE_VENDOR:
  72                 break;
  73         case CONNMAN_NETWORK_TYPE_WIFI:
  74                 return "wifi";
  75         case CONNMAN_NETWORK_TYPE_WIMAX:
  76                 return "wimax";
  77         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  78         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  79                 return "bluetooth";
  80         case CONNMAN_NETWORK_TYPE_MBM:
  81         case CONNMAN_NETWORK_TYPE_HSO:
  82                 return "cellular";
  83         }
  84
  85         return NULL;
  86 }
  87
  88 static DBusMessage *get_properties(DBusConnection *conn,
  89                                         DBusMessage *msg, void *data)
  90 {
  91         struct connman_network *network = data;
  92         DBusMessage *reply;
  93         DBusMessageIter array, dict;
  94
  95         DBG("conn %p", conn);
  96
  97         if (__connman_security_check_privilege(msg,
  98                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
  99                 return __connman_error_permission_denied(msg);
 100
 101         reply = dbus_message_new_method_return(msg);
 102         if (reply == NULL)
 103                 return NULL;
 104
 105         dbus_message_iter_init_append(reply, &array);
 106
 107         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 108                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 109                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 110                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 111
 112         if (network->device) {
 113                 const char *path = connman_device_get_path(network->device);
 114                 if (path != NULL)
 115                         connman_dbus_dict_append_variant(&dict, "Device",
 116                                                 DBUS_TYPE_OBJECT_PATH, &path);
 117         }
 118
 119         if (network->address != NULL)
 120                 connman_dbus_dict_append_variant(&dict, "Address",
 121                                         DBUS_TYPE_STRING, &network->address);
 122
 123         if (network->name != NULL)
 124                 connman_dbus_dict_append_variant(&dict, "Name",
 125                                         DBUS_TYPE_STRING, &network->name);
 126
 127         connman_dbus_dict_append_variant(&dict, "Connected",
 128                                 DBUS_TYPE_BOOLEAN, &network->connected);
 129
 130         if (network->strength > 0)
 131                 connman_dbus_dict_append_variant(&dict, "Strength",
 132                                         DBUS_TYPE_BYTE, &network->strength);
 133
 134         if (network->frequency > 0)
 135                 connman_dbus_dict_append_variant(&dict, "Frequency",
 136                                         DBUS_TYPE_UINT16, &network->frequency);
 137
 138         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 139                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 140                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 141                                                 network->wifi.ssid_len);
 142
 143         if (network->wifi.mode != NULL)
 144                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 145                                 DBUS_TYPE_STRING, &network->wifi.mode);
 146
 147         if (network->wifi.channel > 0)
 148                 connman_dbus_dict_append_variant(&dict, "WiFi.Channel",
 149                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 150
 151         if (network->wifi.security != NULL)
 152                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 153                                 DBUS_TYPE_STRING, &network->wifi.security);
 154
 155         if (network->wifi.passphrase != NULL &&
 156                         __connman_security_check_privilege(msg,
 157                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 158                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 159                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 160
 161         dbus_message_iter_close_container(&array, &dict);
 162
 163         return reply;
 164 }
 165
 166 static DBusMessage *set_property(DBusConnection *conn,
 167                                         DBusMessage *msg, void *data)
 168 {
 169         struct connman_network *network = data;
 170         DBusMessageIter iter, value;
 171         const char *name;
 172         int type;
 173
 174         DBG("conn %p", conn);
 175
 176         if (dbus_message_iter_init(msg, &iter) == FALSE)
 177                 return __connman_error_invalid_arguments(msg);
 178
 179         dbus_message_iter_get_basic(&iter, &name);
 180         dbus_message_iter_next(&iter);
 181         dbus_message_iter_recurse(&iter, &value);
 182
 183         if (__connman_security_check_privilege(msg,
 184                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 185                 return __connman_error_permission_denied(msg);
 186
 187         type = dbus_message_iter_get_arg_type(&value);
 188
 189         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 190                 const char *passphrase;
 191
 192                 if (type != DBUS_TYPE_STRING)
 193                         return __connman_error_invalid_arguments(msg);
 194
 195                 if (__connman_security_check_privilege(msg,
 196                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 197                         return __connman_error_permission_denied(msg);
 198
 199                 dbus_message_iter_get_basic(&value, &passphrase);
 200
 201                 g_free(network->wifi.passphrase);
 202                 network->wifi.passphrase = g_strdup(passphrase);
 203         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 204                 int err;
 205
 206                 err = __connman_ipconfig_set_ipv4(network->ipconfig,
 207                                                         name + 5, &value);
 208                 if (err < 0)
 209                         return __connman_error_failed(msg, -err);
 210         } else
 211                 return __connman_error_invalid_property(msg);
 212
 213         __connman_storage_save_network(network);
 214
 215         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 216 }
 217
 218 static DBusMessage *do_connect(DBusConnection *conn,
 219                                         DBusMessage *msg, void *data)
 220 {
 221         struct connman_network *network = data;
 222         int err;
 223
 224         DBG("conn %p", conn);
 225
 226         if (__connman_security_check_privilege(msg,
 227                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 228                 return __connman_error_permission_denied(msg);
 229
 230         if (network->connected == TRUE)
 231                 return __connman_error_failed(msg, EALREADY);
 232
 233         if (network->driver && network->driver->connect) {
 234                 enum connman_device_mode mode;
 235
 236                 mode = connman_device_get_mode(network->device);
 237                 if (mode == CONNMAN_DEVICE_MODE_NETWORK_SINGLE)
 238                         __connman_device_disconnect(network->device);
 239
 240                 err = network->driver->connect(network);
 241                 if (err < 0 && err != -EINPROGRESS)
 242                         return __connman_error_failed(msg, -err);
 243         } else
 244                 network->connected = TRUE;
 245
 246         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 247 }
 248
 249 static DBusMessage *do_disconnect(DBusConnection *conn,
 250                                         DBusMessage *msg, void *data)
 251 {
 252         struct connman_network *network = data;
 253         int err;
 254
 255         DBG("conn %p", conn);
 256
 257         if (__connman_security_check_privilege(msg,
 258                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 259                 return __connman_error_permission_denied(msg);
 260
 261         if (network->connected == FALSE)
 262                 return __connman_error_failed(msg, EINVAL);
 263
 264         connman_element_unregister_children(&network->element);
 265
 266         connman_device_set_disconnected(network->device, TRUE);
 267
 268         if (network->driver && network->driver->disconnect) {
 269                 err = network->driver->disconnect(network);
 270                 if (err < 0 && err != -EINPROGRESS)
 271                         return __connman_error_failed(msg, -err);
 272         } else
 273                 network->connected = FALSE;
 274
 275         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 276 }
 277
 278 static GDBusMethodTable network_methods[] = {
 279         { "GetProperties", "",   "a{sv}", get_properties },
 280         { "SetProperty",   "sv", "",      set_property   },
 281         { "Connect",       "",   "",      do_connect     },
 282         { "Disconnect",    "",   "",      do_disconnect  },
 283         { },
 284 };
 285
 286 static GDBusSignalTable network_signals[] = {
 287         { "PropertyChanged", "sv" },
 288         { },
 289 };
 290
 291 static DBusConnection *connection;
 292
 293 static void append_networks(struct connman_device *device,
 294                                                 DBusMessageIter *entry)
 295 {
 296         DBusMessageIter value, iter;
 297         const char *key = "Networks";
 298
 299         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 300
 301         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 302                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 303                                                                 &value);
 304
 305         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 306                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 307         __connman_element_list((struct connman_element *) device,
 308                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 309         dbus_message_iter_close_container(&value, &iter);
 310
 311         dbus_message_iter_close_container(entry, &value);
 312 }
 313
 314 static void emit_networks_signal(struct connman_device *device)
 315 {
 316         const char *path = connman_device_get_path(device);
 317         DBusMessage *signal;
 318         DBusMessageIter entry;
 319
 320         signal = dbus_message_new_signal(path,
 321                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 322         if (signal == NULL)
 323                 return;
 324
 325         dbus_message_iter_init_append(signal, &entry);
 326
 327         append_networks(device, &entry);
 328
 329         g_dbus_send_message(connection, signal);
 330 }
 331
 332 static int register_interface(struct connman_element *element)
 333 {
 334         struct connman_network *network = element->network;
 335
 336         DBG("element %p name %s", element, element->name);
 337
 338         if (g_dbus_register_interface(connection, element->path,
 339                                         CONNMAN_NETWORK_INTERFACE,
 340                                         network_methods, network_signals,
 341                                         NULL, network, NULL) == FALSE) {
 342                 connman_error("Failed to register %s network", element->path);
 343                 return -EIO;
 344         }
 345
 346         network->registered = TRUE;
 347
 348         emit_networks_signal(network->device);
 349
 350         return 0;
 351 }
 352
 353 static void unregister_interface(struct connman_element *element)
 354 {
 355         struct connman_network * network = element->network;
 356
 357         DBG("element %p name %s", element, element->name);
 358
 359         network->registered = FALSE;
 360
 361         emit_networks_signal(network->device);
 362
 363         g_dbus_unregister_interface(connection, element->path,
 364                                                 CONNMAN_NETWORK_INTERFACE);
 365 }
 366
 367 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 368 {
 369         if (network == NULL || network->driver == NULL)
 370                 return FALSE;
 371
 372         return network->registered;
 373 }
 374
 375 static GSList *driver_list = NULL;
 376
 377 static gint compare_priority(gconstpointer a, gconstpointer b)
 378 {
 379         const struct connman_network_driver *driver1 = a;
 380         const struct connman_network_driver *driver2 = b;
 381
 382         return driver2->priority - driver1->priority;
 383 }
 384
 385 /**
 386  * connman_network_driver_register:
 387  * @driver: network driver definition
 388  *
 389  * Register a new network driver
 390  *
 391  * Returns: %0 on success
 392  */
 393 int connman_network_driver_register(struct connman_network_driver *driver)
 394 {
 395         DBG("driver %p name %s", driver, driver->name);
 396
 397         driver_list = g_slist_insert_sorted(driver_list, driver,
 398                                                         compare_priority);
 399
 400         return 0;
 401 }
 402
 403 /**
 404  * connman_network_driver_unregister:
 405  * @driver: network driver definition
 406  *
 407  * Remove a previously registered network driver
 408  */
 409 void connman_network_driver_unregister(struct connman_network_driver *driver)
 410 {
 411         DBG("driver %p name %s", driver, driver->name);
 412
 413         driver_list = g_slist_remove(driver_list, driver);
 414 }
 415
 416 static void network_destruct(struct connman_element *element)
 417 {
 418         struct connman_network *network = element->network;
 419
 420         DBG("element %p name %s", element, element->name);
 421
 422         g_free(network->wifi.ssid);
 423         g_free(network->wifi.mode);
 424         g_free(network->wifi.security);
 425         g_free(network->wifi.passphrase);
 426
 427         g_free(network->group);
 428         g_free(network->node);
 429         g_free(network->name);
 430         g_free(network->address);
 431         g_free(network->identifier);
 432
 433         connman_ipconfig_unref(network->ipconfig);
 434 }
 435
 436 /**
 437  * connman_network_create:
 438  * @identifier: network identifier (for example an unqiue name)
 439  *
 440  * Allocate a new network and assign the #identifier to it.
 441  *
 442  * Returns: a newly-allocated #connman_network structure
 443  */
 444 struct connman_network *connman_network_create(const char *identifier,
 445                                                 enum connman_network_type type)
 446 {
 447         struct connman_network *network;
 448         connman_uint8_t strength = 0;
 449         const char *str;
 450         char *temp;
 451
 452         DBG("identifier %s type %d", identifier, type);
 453
 454         network = g_try_new0(struct connman_network, 1);
 455         if (network == NULL)
 456                 return NULL;
 457
 458         DBG("network %p", network);
 459
 460         __connman_element_initialize(&network->element);
 461
 462         //temp = connman_dbus_encode_string(identifier);
 463         temp = g_strdup(identifier);
 464         if (temp == NULL) {
 465                 g_free(network);
 466                 return NULL;
 467         }
 468
 469         network->element.name = temp;
 470         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 471
 472         network->element.network = network;
 473         network->element.destruct = network_destruct;
 474
 475         str = type2string(type);
 476         if (str != NULL)
 477                 connman_element_set_string(&network->element, "Type", str);
 478
 479         connman_element_set_uint8(&network->element, "Strength", strength);
 480
 481         network->type       = type;
 482         network->secondary  = FALSE;
 483         network->identifier = g_strdup(identifier);
 484
 485         network->ipconfig = connman_ipconfig_create();
 486         if (network->ipconfig == NULL) {
 487                 connman_network_unref(network);
 488                 return NULL;
 489         }
 490
 491         return network;
 492 }
 493
 494 /**
 495  * connman_network_ref:
 496  * @network: network structure
 497  *
 498  * Increase reference counter of  network
 499  */
 500 struct connman_network *connman_network_ref(struct connman_network *network)
 501 {
 502         if (connman_element_ref(&network->element) == NULL)
 503                 return NULL;
 504
 505         return network;
 506 }
 507
 508 /**
 509  * connman_network_unref:
 510  * @network: network structure
 511  *
 512  * Decrease reference counter of network
 513  */
 514 void connman_network_unref(struct connman_network *network)
 515 {
 516         connman_element_unref(&network->element);
 517 }
 518
 519 const char *__connman_network_get_type(struct connman_network *network)
 520 {
 521         return type2string(network->type);
 522 }
 523
 524 /**
 525  * connman_network_get_type:
 526  * @network: network structure
 527  *
 528  * Get type of network
 529  */
 530 enum connman_network_type connman_network_get_type(struct connman_network *network)
 531 {
 532         return network->type;
 533 }
 534
 535 /**
 536  * connman_network_get_identifier:
 537  * @network: network structure
 538  *
 539  * Get identifier of network
 540  */
 541 const char *connman_network_get_identifier(struct connman_network *network)
 542 {
 543         return network->identifier;
 544 }
 545
 546 /**
 547  * connman_network_get_path:
 548  * @network: network structure
 549  *
 550  * Get path name of network
 551  */
 552 const char *connman_network_get_path(struct connman_network *network)
 553 {
 554         return network->element.path;
 555 }
 556
 557 /**
 558  * connman_network_set_index:
 559  * @network: network structure
 560  * @index: index number
 561  *
 562  * Set index number of network
 563  */
 564 void connman_network_set_index(struct connman_network *network, int index)
 565 {
 566         network->element.index = index;
 567 }
 568
 569 /**
 570  * connman_network_get_index:
 571  * @network: network structure
 572  *
 573  * Get index number of network
 574  */
 575 int connman_network_get_index(struct connman_network *network)
 576 {
 577         return network->element.index;
 578 }
 579
 580 /**
 581  * connman_network_set_protocol:
 582  * @network: network structure
 583  * @protocol: network protocol
 584  *
 585  * Change protocol of network
 586  */
 587 void connman_network_set_protocol(struct connman_network *network,
 588                                         enum connman_network_protocol protocol)
 589 {
 590         network->protocol = protocol;
 591 }
 592
 593 /**
 594  * connman_network_set_group:
 595  * @network: network structure
 596  * @group: group name
 597  *
 598  * Set group name for automatic clustering
 599  */
 600 void connman_network_set_group(struct connman_network *network,
 601                                                         const char *group)
 602 {
 603         if (network->secondary == TRUE)
 604                 return;
 605
 606         if (g_strcmp0(network->group, group) == 0)
 607                 return;
 608
 609         switch (network->type) {
 610         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 611         case CONNMAN_NETWORK_TYPE_VENDOR:
 612         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 613         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 614                 return;
 615         case CONNMAN_NETWORK_TYPE_MBM:
 616         case CONNMAN_NETWORK_TYPE_HSO:
 617         case CONNMAN_NETWORK_TYPE_WIFI:
 618         case CONNMAN_NETWORK_TYPE_WIMAX:
 619                 break;
 620         }
 621
 622         if (network->group != NULL) {
 623                 __connman_profile_remove_network(network);
 624
 625                 g_free(network->group);
 626         }
 627
 628         network->group = g_strdup(group);
 629
 630         if (network->group != NULL)
 631                 __connman_profile_add_network(network);
 632 }
 633
 634 /**
 635  * connman_network_get_group:
 636  * @network: network structure
 637  *
 638  * Get group name for automatic clustering
 639  */
 640 const char *connman_network_get_group(struct connman_network *network)
 641 {
 642         return network->group;
 643 }
 644
 645 const char *__connman_network_get_ident(struct connman_network *network)
 646 {
 647         if (network->device == NULL)
 648                 return NULL;
 649
 650         return __connman_device_get_ident(network->device);
 651 }
 652
 653 /**
 654  * connman_network_set_available:
 655  * @network: network structure
 656  * @available: availability state
 657  *
 658  * Change availability state of network (in range)
 659  */
 660 int connman_network_set_available(struct connman_network *network,
 661                                                 connman_bool_t available)
 662 {
 663         DBG("network %p available %d", network, available);
 664
 665         if (network->available == available)
 666                 return -EALREADY;
 667
 668         network->available = available;
 669
 670         return 0;
 671 }
 672
 673 /**
 674  * connman_network_get_available:
 675  * @network: network structure
 676  *
 677  * Get network available setting
 678  */
 679 connman_bool_t connman_network_get_available(struct connman_network *network)
 680 {
 681         return network->available;
 682 }
 683
 684 /**
 685  * connman_network_set_associating:
 686  * @network: network structure
 687  * @associating: associating state
 688  *
 689  * Change associating state of network
 690  */
 691 int connman_network_set_associating(struct connman_network *network,
 692                                                 connman_bool_t associating)
 693 {
 694         DBG("network %p associating %d", network, associating);
 695
 696         if (network->associating == associating)
 697                 return -EALREADY;
 698
 699         network->associating = associating;
 700
 701         if (associating == TRUE) {
 702                 struct connman_service *service;
 703
 704                 service = __connman_service_lookup_from_network(network);
 705                 __connman_service_indicate_state(service,
 706                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 707         }
 708
 709         return 0;
 710 }
 711
 712 static gboolean set_connected(gpointer user_data)
 713 {
 714         struct connman_network *network = user_data;
 715         struct connman_service *service;
 716
 717         service = __connman_service_lookup_from_network(network);
 718
 719         if (network->connected == TRUE) {
 720                 struct connman_element *element;
 721                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 722
 723                 switch (network->protocol) {
 724                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 725                         return 0;
 726                 case CONNMAN_NETWORK_PROTOCOL_IP:
 727                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 728                         break;
 729                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 730                         type = CONNMAN_ELEMENT_TYPE_PPP;
 731                         break;
 732                 }
 733
 734                 __connman_device_increase_connections(network->device);
 735
 736                 __connman_device_set_network(network->device, network);
 737
 738                 connman_device_set_disconnected(network->device, FALSE);
 739
 740                 element = connman_element_create(NULL);
 741                 if (element != NULL) {
 742                         element->type  = type;
 743                         element->index = network->element.index;
 744
 745                         if (connman_element_register(element,
 746                                                 &network->element) < 0)
 747                                 connman_element_unref(element);
 748
 749                         __connman_service_indicate_state(service,
 750                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 751                 }
 752         } else {
 753                 connman_element_unregister_children(&network->element);
 754
 755                 __connman_device_set_network(network->device, NULL);
 756
 757                 __connman_device_decrease_connections(network->device);
 758
 759                 __connman_service_indicate_state(service,
 760                                                 CONNMAN_SERVICE_STATE_IDLE);
 761         }
 762
 763         return FALSE;
 764 }
 765
 766 /**
 767  * connman_network_set_connected:
 768  * @network: network structure
 769  * @connected: connected state
 770  *
 771  * Change connected state of network
 772  */
 773 int connman_network_set_connected(struct connman_network *network,
 774                                                 connman_bool_t connected)
 775 {
 776         DBusMessage *signal;
 777         DBusMessageIter entry, value;
 778         const char *key = "Connected";
 779
 780         DBG("network %p connected %d", network, connected);
 781
 782         if (network->connected == connected)
 783                 return -EALREADY;
 784
 785         network->connected = connected;
 786
 787         if (connected == TRUE)
 788                 network->associating = FALSE;
 789
 790         if (network->registered == FALSE) {
 791                 g_idle_add(set_connected, network);
 792                 return 0;
 793         }
 794
 795         signal = dbus_message_new_signal(network->element.path,
 796                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 797         if (signal == NULL)
 798                 return 0;
 799
 800         dbus_message_iter_init_append(signal, &entry);
 801
 802         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 803
 804         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 805                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 806         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 807         dbus_message_iter_close_container(&entry, &value);
 808
 809         g_dbus_send_message(connection, signal);
 810
 811         set_connected(network);
 812
 813         return 0;
 814 }
 815
 816 /**
 817  * connman_network_get_connected:
 818  * @network: network structure
 819  *
 820  * Get network connection status
 821  */
 822 connman_bool_t connman_network_get_connected(struct connman_network *network)
 823 {
 824         return network->connected;
 825 }
 826
 827 /**
 828  * __connman_network_connect:
 829  * @network: network structure
 830  *
 831  * Connect network
 832  */
 833 int __connman_network_connect(struct connman_network *network)
 834 {
 835         int err;
 836
 837         DBG("network %p", network);
 838
 839         if (network->connected == TRUE)
 840                 return -EALREADY;
 841
 842         if (network->driver == NULL)
 843                 return -EUNATCH;
 844
 845         if (network->driver->connect == NULL)
 846                 return -ENOSYS;
 847
 848         __connman_device_disconnect(network->device);
 849
 850         err = network->driver->connect(network);
 851         if (err == 0) {
 852                 network->connected = TRUE;
 853                 set_connected(network);
 854         }
 855
 856         return err;
 857 }
 858
 859 /**
 860  * __connman_network_disconnect:
 861  * @network: network structure
 862  *
 863  * Disconnect network
 864  */
 865 int __connman_network_disconnect(struct connman_network *network)
 866 {
 867         int err;
 868
 869         DBG("network %p", network);
 870
 871         if (network->connected == FALSE)
 872                 return -ENOTCONN;
 873
 874         if (network->driver == NULL)
 875                 return -EUNATCH;
 876
 877         if (network->driver->disconnect == NULL)
 878                 return -ENOSYS;
 879
 880         err = network->driver->disconnect(network);
 881         if (err == 0) {
 882                 network->connected = FALSE;
 883                 set_connected(network);
 884         }
 885
 886         return err;
 887 }
 888
 889 /**
 890  * connman_network_set_address:
 891  * @network: network structure
 892  * @address: binary address value
 893  * @size: binary address length
 894  *
 895  * Set unique address value for network
 896  */
 897 int connman_network_set_address(struct connman_network *network,
 898                                 const void *address, unsigned int size)
 899 {
 900         const unsigned char *addr_octet = address;
 901         char *str;
 902
 903         DBG("network %p size %d", network, size);
 904
 905         if (size != 6)
 906                 return -EINVAL;
 907
 908         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 909                                 addr_octet[0], addr_octet[1], addr_octet[2],
 910                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 911         if (str == NULL)
 912                 return -ENOMEM;
 913
 914         g_free(network->address);
 915         network->address = str;
 916
 917         return connman_element_set_string(&network->element,
 918                                                 "Address", network->address);
 919 }
 920
 921 /**
 922  * connman_network_set_name:
 923  * @network: network structure
 924  * @name: name value
 925  *
 926  * Set display name value for network
 927  */
 928 int connman_network_set_name(struct connman_network *network,
 929                                                         const char *name)
 930 {
 931         DBG("network %p name %s", network, name);
 932
 933         g_free(network->name);
 934         network->name = g_strdup(name);
 935
 936         return connman_element_set_string(&network->element, "Name", name);
 937 }
 938
 939 /**
 940  * connman_network_set_strength:
 941  * @network: network structure
 942  * @strength: strength value
 943  *
 944  * Set signal strength value for network
 945  */
 946 int connman_network_set_strength(struct connman_network *network,
 947                                                 connman_uint8_t strength)
 948 {
 949         DBG("network %p strengh %d", network, strength);
 950
 951         network->strength = strength;
 952
 953         return connman_element_set_uint8(&network->element,
 954                                                 "Strength", strength);
 955 }
 956
 957 /**
 958  * connman_network_set_string:
 959  * @network: network structure
 960  * @key: unique identifier
 961  * @value: string value
 962  *
 963  * Set string value for specific key
 964  */
 965 int connman_network_set_string(struct connman_network *network,
 966                                         const char *key, const char *value)
 967 {
 968         DBG("network %p key %s value %s", network, key, value);
 969
 970         if (g_strcmp0(key, "Name") == 0)
 971                 return connman_network_set_name(network, value);
 972
 973         if (g_str_equal(key, "Address") == TRUE) {
 974                 g_free(network->address);
 975                 network->address = g_strdup(value);
 976         } else if (g_str_equal(key, "Node") == TRUE) {
 977                 g_free(network->node);
 978                 network->node = g_strdup(value);
 979         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 980                 g_free(network->wifi.mode);
 981                 network->wifi.mode = g_strdup(value);
 982         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 983                 g_free(network->wifi.security);
 984                 network->wifi.security = g_strdup(value);
 985         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 986                 g_free(network->wifi.passphrase);
 987                 network->wifi.passphrase = g_strdup(value);
 988         }
 989
 990         return connman_element_set_string(&network->element, key, value);
 991 }
 992
 993 /**
 994  * connman_network_get_string:
 995  * @network: network structure
 996  * @key: unique identifier
 997  *
 998  * Get string value for specific key
 999  */
1000 const char *connman_network_get_string(struct connman_network *network,
1001                                                         const char *key)
1002 {
1003         DBG("network %p key %s", network, key);
1004
1005         if (g_str_equal(key, "Address") == TRUE)
1006                 return network->address;
1007         else if (g_str_equal(key, "Name") == TRUE)
1008                 return network->name;
1009         else if (g_str_equal(key, "Node") == TRUE)
1010                 return network->node;
1011         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1012                 return network->wifi.mode;
1013         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1014                 return network->wifi.security;
1015         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1016                 return network->wifi.passphrase;
1017
1018         return connman_element_get_string(&network->element, key);
1019 }
1020
1021 /**
1022  * connman_network_set_uint8:
1023  * @network: network structure
1024  * @key: unique identifier
1025  * @value: integer value
1026  *
1027  * Set integer value for specific key
1028  */
1029 int connman_network_set_uint8(struct connman_network *network,
1030                                         const char *key, connman_uint8_t value)
1031 {
1032         DBG("network %p key %s value %d", network, key, value);
1033
1034         if (g_strcmp0(key, "Strength") == 0)
1035                 return connman_network_set_strength(network, value);
1036
1037         return connman_element_set_uint8(&network->element, key, value);
1038 }
1039
1040 /**
1041  * connman_network_get_uint8:
1042  * @network: network structure
1043  * @key: unique identifier
1044  *
1045  * Get integer value for specific key
1046  */
1047 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1048                                                         const char *key)
1049 {
1050         DBG("network %p key %s", network, key);
1051
1052         if (g_str_equal(key, "Strength") == TRUE)
1053                 return network->strength;
1054
1055         return connman_element_get_uint8(&network->element, key);
1056 }
1057
1058 /**
1059  * connman_network_set_uint16:
1060  * @network: network structure
1061  * @key: unique identifier
1062  * @value: integer value
1063  *
1064  * Set integer value for specific key
1065  */
1066 int connman_network_set_uint16(struct connman_network *network,
1067                                 const char *key, connman_uint16_t value)
1068 {
1069         DBG("network %p key %s value %d", network, key, value);
1070
1071         if (g_str_equal(key, "Frequency") == TRUE)
1072                 network->frequency = value;
1073         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1074                 network->wifi.channel = value;
1075
1076         return -EINVAL;
1077 }
1078
1079 /**
1080  * connman_network_get_uint16:
1081  * @network: network structure
1082  * @key: unique identifier
1083  *
1084  * Get integer value for specific key
1085  */
1086 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1087                                                         const char *key)
1088 {
1089         DBG("network %p key %s", network, key);
1090
1091         if (g_str_equal(key, "Frequency") == TRUE)
1092                 return network->frequency;
1093         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1094                 return network->wifi.channel;
1095
1096         return 0;
1097 }
1098
1099 /**
1100  * connman_network_set_blob:
1101  * @network: network structure
1102  * @key: unique identifier
1103  * @data: blob data
1104  * @size: blob size
1105  *
1106  * Set binary blob value for specific key
1107  */
1108 int connman_network_set_blob(struct connman_network *network,
1109                         const char *key, const void *data, unsigned int size)
1110 {
1111         DBG("network %p key %s size %d", network, key, size);
1112
1113         if (g_strcmp0(key, "Address") == 0)
1114                 return connman_network_set_address(network, data, size);
1115
1116         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1117                 g_free(network->wifi.ssid);
1118                 network->wifi.ssid = g_try_malloc(size);
1119                 if (network->wifi.ssid != NULL) {
1120                         memcpy(network->wifi.ssid, data, size);
1121                         network->wifi.ssid_len = size;
1122                 } else
1123                         network->wifi.ssid_len = 0;
1124         }
1125
1126         return connman_element_set_blob(&network->element, key, data, size);
1127 }
1128
1129 /**
1130  * connman_network_get_blob:
1131  * @network: network structure
1132  * @key: unique identifier
1133  * @size: pointer to blob size
1134  *
1135  * Get binary blob value for specific key
1136  */
1137 const void *connman_network_get_blob(struct connman_network *network,
1138                                         const char *key, unsigned int *size)
1139 {
1140         DBG("network %p key %s", network, key);
1141
1142         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1143                 if (size != NULL)
1144                         *size = network->wifi.ssid_len;
1145                 return network->wifi.ssid;
1146         }
1147
1148         return connman_element_get_blob(&network->element, key, size);
1149 }
1150
1151 void __connman_network_set_device(struct connman_network *network,
1152                                         struct connman_device *device)
1153 {
1154         network->device = device;
1155 }
1156
1157 /**
1158  * connman_network_get_device:
1159  * @network: network structure
1160  *
1161  * Get parent device of network
1162  */
1163 struct connman_device *connman_network_get_device(struct connman_network *network)
1164 {
1165         return network->device;
1166 }
1167
1168 /**
1169  * connman_network_get_data:
1170  * @network: network structure
1171  *
1172  * Get private network data pointer
1173  */
1174 void *connman_network_get_data(struct connman_network *network)
1175 {
1176         return network->driver_data;
1177 }
1178
1179 /**
1180  * connman_network_set_data:
1181  * @network: network structure
1182  * @data: data pointer
1183  *
1184  * Set private network data pointer
1185  */
1186 void connman_network_set_data(struct connman_network *network, void *data)
1187 {
1188         network->driver_data = data;
1189 }
1190
1191 static gboolean match_driver(struct connman_network *network,
1192                                         struct connman_network_driver *driver)
1193 {
1194         if (network->type == driver->type ||
1195                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1196                 return TRUE;
1197
1198         return FALSE;
1199 }
1200
1201 static int network_probe(struct connman_element *element)
1202 {
1203         struct connman_network *network = element->network;
1204         GSList *list;
1205         int err;
1206
1207         DBG("element %p name %s", element, element->name);
1208
1209         if (network == NULL)
1210                 return -ENODEV;
1211
1212         for (list = driver_list; list; list = list->next) {
1213                 struct connman_network_driver *driver = list->data;
1214
1215                 if (match_driver(network, driver) == FALSE)
1216                         continue;
1217
1218                 DBG("driver %p name %s", driver, driver->name);
1219
1220                 if (driver->probe(network) == 0) {
1221                         network->driver = driver;
1222                         break;
1223                 }
1224         }
1225
1226         if (network->driver == NULL)
1227                 return -ENODEV;
1228
1229         err = register_interface(element);
1230         if (err < 0) {
1231                 if (network->driver->remove)
1232                         network->driver->remove(network);
1233                 return err;
1234         }
1235
1236         network->secondary = connman_device_get_secondary(network->device);
1237
1238         switch (network->type) {
1239         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1240         case CONNMAN_NETWORK_TYPE_VENDOR:
1241         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1242         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1243                 break;
1244         case CONNMAN_NETWORK_TYPE_MBM:
1245         case CONNMAN_NETWORK_TYPE_HSO:
1246         case CONNMAN_NETWORK_TYPE_WIFI:
1247         case CONNMAN_NETWORK_TYPE_WIMAX:
1248                 if (network->group != NULL && network->secondary == FALSE)
1249                         __connman_profile_add_network(network);
1250                 break;
1251         }
1252
1253         return 0;
1254 }
1255
1256 static void network_remove(struct connman_element *element)
1257 {
1258         struct connman_network *network = element->network;
1259
1260         DBG("element %p name %s", element, element->name);
1261
1262         if (network == NULL)
1263                 return;
1264
1265         if (network->driver == NULL)
1266                 return;
1267
1268         switch (network->type) {
1269         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1270         case CONNMAN_NETWORK_TYPE_VENDOR:
1271         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1272         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1273                 break;
1274         case CONNMAN_NETWORK_TYPE_MBM:
1275         case CONNMAN_NETWORK_TYPE_HSO:
1276         case CONNMAN_NETWORK_TYPE_WIFI:
1277         case CONNMAN_NETWORK_TYPE_WIMAX:
1278                 if (network->group != NULL && network->secondary == FALSE) {
1279                         __connman_profile_remove_network(network);
1280
1281                         g_free(network->group);
1282                         network->group = NULL;
1283                 }
1284                 break;
1285         }
1286
1287         unregister_interface(element);
1288
1289         if (network->driver->remove)
1290                 network->driver->remove(network);
1291 }
1292
1293 static void network_change(struct connman_element *element)
1294 {
1295         struct connman_network *network = element->network;
1296
1297         DBG("element %p name %s", element, element->name);
1298
1299         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1300                 return;
1301
1302         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1303                 return;
1304
1305         if (network->connected == FALSE)
1306                 return;
1307
1308         connman_element_unregister_children(element);
1309
1310         connman_device_set_disconnected(network->device, TRUE);
1311
1312         if (network->driver && network->driver->disconnect) {
1313                 network->driver->disconnect(network);
1314                 return;
1315         }
1316
1317         network->connected = FALSE;
1318 }
1319
1320 static struct connman_driver network_driver = {
1321         .name           = "network",
1322         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1323         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1324         .probe          = network_probe,
1325         .remove         = network_remove,
1326         .change         = network_change,
1327 };
1328
1329 int __connman_network_init(void)
1330 {
1331         DBG("");
1332
1333         connection = connman_dbus_get_connection();
1334
1335         return connman_driver_register(&network_driver);
1336 }
1337
1338 void __connman_network_cleanup(void)
1339 {
1340         DBG("");
1341
1342         connman_driver_unregister(&network_driver);
1343
1344         dbus_connection_unref(connection);
1345 }