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