src/network.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <string.h>
  28
  29 #include <gdbus.h>
  30
  31 #include "connman.h"
  32
  33 struct connman_network {
  34         struct connman_element element;
  35         enum connman_network_type type;
  36         enum connman_network_protocol protocol;
  37         connman_bool_t secondary;
  38         connman_bool_t available;
  39         connman_bool_t connected;
  40         connman_bool_t hidden;
  41         connman_uint8_t strength;
  42         connman_uint16_t frequency;
  43         char *identifier;
  44         char *address;
  45         char *name;
  46         char *node;
  47         char *group;
  48         struct connman_ipconfig *ipconfig;
  49
  50         struct connman_network_driver *driver;
  51         void *driver_data;
  52
  53         connman_bool_t registered;
  54         connman_bool_t connecting;
  55         connman_bool_t associating;
  56
  57         struct connman_device *device;
  58
  59         struct {
  60                 void *ssid;
  61                 int ssid_len;
  62                 char *mode;
  63                 unsigned short channel;
  64                 char *security;
  65                 char *passphrase;
  66         } wifi;
  67 };
  68
  69 static const char *type2string(enum connman_network_type type)
  70 {
  71         switch (type) {
  72         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  73         case CONNMAN_NETWORK_TYPE_VENDOR:
  74                 break;
  75         case CONNMAN_NETWORK_TYPE_WIFI:
  76                 return "wifi";
  77         case CONNMAN_NETWORK_TYPE_WIMAX:
  78                 return "wimax";
  79         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  80         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  81                 return "bluetooth";
  82         case CONNMAN_NETWORK_TYPE_MBM:
  83         case CONNMAN_NETWORK_TYPE_HSO:
  84                 return "cellular";
  85         }
  86
  87         return NULL;
  88 }
  89
  90 static DBusMessage *get_properties(DBusConnection *conn,
  91                                         DBusMessage *msg, void *data)
  92 {
  93         struct connman_network *network = data;
  94         DBusMessage *reply;
  95         DBusMessageIter array, dict;
  96
  97         DBG("conn %p", conn);
  98
  99         if (__connman_security_check_privilege(msg,
 100                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 101                 return __connman_error_permission_denied(msg);
 102
 103         reply = dbus_message_new_method_return(msg);
 104         if (reply == NULL)
 105                 return NULL;
 106
 107         dbus_message_iter_init_append(reply, &array);
 108
 109         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 110                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 111                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 112                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 113
 114         if (network->device) {
 115                 const char *path = connman_device_get_path(network->device);
 116                 if (path != NULL)
 117                         connman_dbus_dict_append_variant(&dict, "Device",
 118                                                 DBUS_TYPE_OBJECT_PATH, &path);
 119         }
 120
 121         if (network->address != NULL)
 122                 connman_dbus_dict_append_variant(&dict, "Address",
 123                                         DBUS_TYPE_STRING, &network->address);
 124
 125         if (network->name != NULL)
 126                 connman_dbus_dict_append_variant(&dict, "Name",
 127                                         DBUS_TYPE_STRING, &network->name);
 128
 129         connman_dbus_dict_append_variant(&dict, "Connected",
 130                                 DBUS_TYPE_BOOLEAN, &network->connected);
 131
 132         if (network->strength > 0)
 133                 connman_dbus_dict_append_variant(&dict, "Strength",
 134                                         DBUS_TYPE_BYTE, &network->strength);
 135
 136         if (network->frequency > 0)
 137                 connman_dbus_dict_append_variant(&dict, "Frequency",
 138                                         DBUS_TYPE_UINT16, &network->frequency);
 139
 140         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 141                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 142                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 143                                                 network->wifi.ssid_len);
 144
 145         if (network->wifi.mode != NULL)
 146                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 147                                 DBUS_TYPE_STRING, &network->wifi.mode);
 148
 149         if (network->wifi.channel > 0)
 150                 connman_dbus_dict_append_variant(&dict, "WiFi.Channel",
 151                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 152
 153         if (network->wifi.security != NULL)
 154                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 155                                 DBUS_TYPE_STRING, &network->wifi.security);
 156
 157         if (network->wifi.passphrase != NULL &&
 158                         __connman_security_check_privilege(msg,
 159                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 160                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 161                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 162
 163         dbus_message_iter_close_container(&array, &dict);
 164
 165         return reply;
 166 }
 167
 168 static DBusMessage *set_property(DBusConnection *conn,
 169                                         DBusMessage *msg, void *data)
 170 {
 171         struct connman_network *network = data;
 172         DBusMessageIter iter, value;
 173         const char *name;
 174         int type;
 175
 176         DBG("conn %p", conn);
 177
 178         if (dbus_message_iter_init(msg, &iter) == FALSE)
 179                 return __connman_error_invalid_arguments(msg);
 180
 181         dbus_message_iter_get_basic(&iter, &name);
 182         dbus_message_iter_next(&iter);
 183         dbus_message_iter_recurse(&iter, &value);
 184
 185         if (__connman_security_check_privilege(msg,
 186                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 187                 return __connman_error_permission_denied(msg);
 188
 189         type = dbus_message_iter_get_arg_type(&value);
 190
 191         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 192                 const char *passphrase;
 193
 194                 if (type != DBUS_TYPE_STRING)
 195                         return __connman_error_invalid_arguments(msg);
 196
 197                 if (__connman_security_check_privilege(msg,
 198                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 199                         return __connman_error_permission_denied(msg);
 200
 201                 dbus_message_iter_get_basic(&value, &passphrase);
 202
 203                 g_free(network->wifi.passphrase);
 204                 network->wifi.passphrase = g_strdup(passphrase);
 205         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 206                 int err;
 207
 208                 if (network->ipconfig == NULL)
 209                         return __connman_error_invalid_property(msg);
 210
 211                 err = __connman_ipconfig_set_ipv4(network->ipconfig,
 212                                                         name + 5, &value);
 213                 if (err < 0)
 214                         return __connman_error_failed(msg, -err);
 215         } else
 216                 return __connman_error_invalid_property(msg);
 217
 218         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 219 }
 220
 221 static GDBusMethodTable network_methods[] = {
 222         { "GetProperties", "",   "a{sv}", get_properties },
 223         { "SetProperty",   "sv", "",      set_property   },
 224         { },
 225 };
 226
 227 static GDBusSignalTable network_signals[] = {
 228         { "PropertyChanged", "sv" },
 229         { },
 230 };
 231
 232 static DBusConnection *connection;
 233
 234 static void append_networks(struct connman_device *device,
 235                                                 DBusMessageIter *entry)
 236 {
 237         DBusMessageIter value, iter;
 238         const char *key = "Networks";
 239
 240         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 241
 242         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 243                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 244                                                                 &value);
 245
 246         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 247                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 248         __connman_element_list((struct connman_element *) device,
 249                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 250         dbus_message_iter_close_container(&value, &iter);
 251
 252         dbus_message_iter_close_container(entry, &value);
 253 }
 254
 255 static void emit_networks_signal(struct connman_device *device)
 256 {
 257         const char *path = connman_device_get_path(device);
 258         DBusMessage *signal;
 259         DBusMessageIter entry;
 260
 261         signal = dbus_message_new_signal(path,
 262                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 263         if (signal == NULL)
 264                 return;
 265
 266         dbus_message_iter_init_append(signal, &entry);
 267
 268         append_networks(device, &entry);
 269
 270         g_dbus_send_message(connection, signal);
 271 }
 272
 273 static int register_interface(struct connman_element *element)
 274 {
 275         struct connman_network *network = element->network;
 276
 277         DBG("element %p name %s", element, element->name);
 278
 279         if (g_dbus_register_interface(connection, element->path,
 280                                         CONNMAN_NETWORK_INTERFACE,
 281                                         network_methods, network_signals,
 282                                         NULL, network, NULL) == FALSE) {
 283                 connman_error("Failed to register %s network", element->path);
 284                 return -EIO;
 285         }
 286
 287         network->registered = TRUE;
 288
 289         emit_networks_signal(network->device);
 290
 291         return 0;
 292 }
 293
 294 static void unregister_interface(struct connman_element *element)
 295 {
 296         struct connman_network * network = element->network;
 297
 298         DBG("element %p name %s", element, element->name);
 299
 300         network->registered = FALSE;
 301
 302         emit_networks_signal(network->device);
 303
 304         g_dbus_unregister_interface(connection, element->path,
 305                                                 CONNMAN_NETWORK_INTERFACE);
 306 }
 307
 308 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 309 {
 310         if (network == NULL || network->driver == NULL)
 311                 return FALSE;
 312
 313         return network->registered;
 314 }
 315
 316 static GSList *driver_list = NULL;
 317
 318 static gint compare_priority(gconstpointer a, gconstpointer b)
 319 {
 320         const struct connman_network_driver *driver1 = a;
 321         const struct connman_network_driver *driver2 = b;
 322
 323         return driver2->priority - driver1->priority;
 324 }
 325
 326 /**
 327  * connman_network_driver_register:
 328  * @driver: network driver definition
 329  *
 330  * Register a new network driver
 331  *
 332  * Returns: %0 on success
 333  */
 334 int connman_network_driver_register(struct connman_network_driver *driver)
 335 {
 336         DBG("driver %p name %s", driver, driver->name);
 337
 338         driver_list = g_slist_insert_sorted(driver_list, driver,
 339                                                         compare_priority);
 340
 341         return 0;
 342 }
 343
 344 /**
 345  * connman_network_driver_unregister:
 346  * @driver: network driver definition
 347  *
 348  * Remove a previously registered network driver
 349  */
 350 void connman_network_driver_unregister(struct connman_network_driver *driver)
 351 {
 352         DBG("driver %p name %s", driver, driver->name);
 353
 354         driver_list = g_slist_remove(driver_list, driver);
 355 }
 356
 357 static void network_destruct(struct connman_element *element)
 358 {
 359         struct connman_network *network = element->network;
 360
 361         DBG("element %p name %s", element, element->name);
 362
 363         g_free(network->wifi.ssid);
 364         g_free(network->wifi.mode);
 365         g_free(network->wifi.security);
 366         g_free(network->wifi.passphrase);
 367
 368         g_free(network->group);
 369         g_free(network->node);
 370         g_free(network->name);
 371         g_free(network->address);
 372         g_free(network->identifier);
 373
 374         if (network->ipconfig) {
 375                 connman_ipconfig_unref(network->ipconfig);
 376                 network->ipconfig = NULL;
 377         }
 378 }
 379
 380 /**
 381  * connman_network_create:
 382  * @identifier: network identifier (for example an unqiue name)
 383  *
 384  * Allocate a new network and assign the #identifier to it.
 385  *
 386  * Returns: a newly-allocated #connman_network structure
 387  */
 388 struct connman_network *connman_network_create(const char *identifier,
 389                                                 enum connman_network_type type)
 390 {
 391         struct connman_network *network;
 392         connman_uint8_t strength = 0;
 393         const char *str;
 394         char *temp;
 395
 396         DBG("identifier %s type %d", identifier, type);
 397
 398         network = g_try_new0(struct connman_network, 1);
 399         if (network == NULL)
 400                 return NULL;
 401
 402         DBG("network %p", network);
 403
 404         __connman_element_initialize(&network->element);
 405
 406         //temp = connman_dbus_encode_string(identifier);
 407         if (identifier == NULL) {
 408                 static unsigned int hidden_counter;
 409                 temp = g_strdup_printf("hidden_%d", hidden_counter++);
 410                 network->hidden = TRUE;
 411         } else
 412                 temp = g_strdup(identifier);
 413
 414         if (temp == NULL) {
 415                 g_free(network);
 416                 return NULL;
 417         }
 418
 419         network->element.name = temp;
 420         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 421
 422         network->element.network = network;
 423         network->element.destruct = network_destruct;
 424
 425         str = type2string(type);
 426         if (str != NULL)
 427                 connman_element_set_string(&network->element, "Type", str);
 428
 429         connman_element_set_uint8(&network->element, "Strength", strength);
 430
 431         network->type       = type;
 432         network->secondary  = FALSE;
 433         network->identifier = g_strdup(temp);
 434
 435         return network;
 436 }
 437
 438 /**
 439  * connman_network_ref:
 440  * @network: network structure
 441  *
 442  * Increase reference counter of  network
 443  */
 444 struct connman_network *connman_network_ref(struct connman_network *network)
 445 {
 446         if (connman_element_ref(&network->element) == NULL)
 447                 return NULL;
 448
 449         return network;
 450 }
 451
 452 /**
 453  * connman_network_unref:
 454  * @network: network structure
 455  *
 456  * Decrease reference counter of network
 457  */
 458 void connman_network_unref(struct connman_network *network)
 459 {
 460         connman_element_unref(&network->element);
 461 }
 462
 463 const char *__connman_network_get_type(struct connman_network *network)
 464 {
 465         return type2string(network->type);
 466 }
 467
 468 /**
 469  * connman_network_get_type:
 470  * @network: network structure
 471  *
 472  * Get type of network
 473  */
 474 enum connman_network_type connman_network_get_type(struct connman_network *network)
 475 {
 476         return network->type;
 477 }
 478
 479 /**
 480  * connman_network_get_identifier:
 481  * @network: network structure
 482  *
 483  * Get identifier of network
 484  */
 485 const char *connman_network_get_identifier(struct connman_network *network)
 486 {
 487         return network->identifier;
 488 }
 489
 490 /**
 491  * connman_network_get_path:
 492  * @network: network structure
 493  *
 494  * Get path name of network
 495  */
 496 const char *connman_network_get_path(struct connman_network *network)
 497 {
 498         return network->element.path;
 499 }
 500
 501 /**
 502  * connman_network_set_index:
 503  * @network: network structure
 504  * @index: index number
 505  *
 506  * Set index number of network
 507  */
 508 void connman_network_set_index(struct connman_network *network, int index)
 509 {
 510         network->element.index = index;
 511 }
 512
 513 /**
 514  * connman_network_get_index:
 515  * @network: network structure
 516  *
 517  * Get index number of network
 518  */
 519 int connman_network_get_index(struct connman_network *network)
 520 {
 521         return network->element.index;
 522 }
 523
 524 /**
 525  * connman_network_set_protocol:
 526  * @network: network structure
 527  * @protocol: network protocol
 528  *
 529  * Change protocol of network
 530  */
 531 void connman_network_set_protocol(struct connman_network *network,
 532                                         enum connman_network_protocol protocol)
 533 {
 534         network->protocol = protocol;
 535 }
 536
 537 /**
 538  * connman_network_set_group:
 539  * @network: network structure
 540  * @group: group name
 541  *
 542  * Set group name for automatic clustering
 543  */
 544 void connman_network_set_group(struct connman_network *network,
 545                                                         const char *group)
 546 {
 547         if (network->secondary == TRUE)
 548                 return;
 549
 550         switch (network->type) {
 551         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 552         case CONNMAN_NETWORK_TYPE_VENDOR:
 553                 return;
 554         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 555         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 556         case CONNMAN_NETWORK_TYPE_MBM:
 557         case CONNMAN_NETWORK_TYPE_HSO:
 558         case CONNMAN_NETWORK_TYPE_WIFI:
 559         case CONNMAN_NETWORK_TYPE_WIMAX:
 560                 break;
 561         }
 562
 563         if (g_strcmp0(network->group, group) == 0) {
 564                 if (group != NULL)
 565                         __connman_profile_update_network(network);
 566                 return;
 567         }
 568
 569         if (network->group != NULL) {
 570                 __connman_profile_remove_network(network);
 571
 572                 g_free(network->group);
 573         }
 574
 575         network->group = g_strdup(group);
 576
 577         if (network->group != NULL)
 578                 __connman_profile_add_network(network);
 579 }
 580
 581 /**
 582  * connman_network_get_group:
 583  * @network: network structure
 584  *
 585  * Get group name for automatic clustering
 586  */
 587 const char *connman_network_get_group(struct connman_network *network)
 588 {
 589         return network->group;
 590 }
 591
 592 const char *__connman_network_get_ident(struct connman_network *network)
 593 {
 594         if (network->device == NULL)
 595                 return NULL;
 596
 597         return __connman_device_get_ident(network->device);
 598 }
 599
 600 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 601 {
 602         if (network->secondary == TRUE)
 603                 return FALSE;
 604
 605         switch (network->type) {
 606         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 607         case CONNMAN_NETWORK_TYPE_VENDOR:
 608         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 609         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 610         case CONNMAN_NETWORK_TYPE_MBM:
 611         case CONNMAN_NETWORK_TYPE_HSO:
 612         case CONNMAN_NETWORK_TYPE_WIMAX:
 613                 break;
 614         case CONNMAN_NETWORK_TYPE_WIFI:
 615                 if (network->strength > 0 && network->strength < 20)
 616                         return TRUE;
 617                 break;
 618         }
 619
 620         return FALSE;
 621 }
 622
 623 /**
 624  * connman_network_set_available:
 625  * @network: network structure
 626  * @available: availability state
 627  *
 628  * Change availability state of network (in range)
 629  */
 630 int connman_network_set_available(struct connman_network *network,
 631                                                 connman_bool_t available)
 632 {
 633         DBG("network %p available %d", network, available);
 634
 635         if (network->available == available)
 636                 return -EALREADY;
 637
 638         network->available = available;
 639
 640         return 0;
 641 }
 642
 643 /**
 644  * connman_network_get_available:
 645  * @network: network structure
 646  *
 647  * Get network available setting
 648  */
 649 connman_bool_t connman_network_get_available(struct connman_network *network)
 650 {
 651         if (network->hidden == TRUE)
 652                 return TRUE;
 653
 654         return network->available;
 655 }
 656
 657 /**
 658  * connman_network_set_associating:
 659  * @network: network structure
 660  * @associating: associating state
 661  *
 662  * Change associating state of network
 663  */
 664 int connman_network_set_associating(struct connman_network *network,
 665                                                 connman_bool_t associating)
 666 {
 667         DBG("network %p associating %d", network, associating);
 668
 669         if (network->associating == associating)
 670                 return -EALREADY;
 671
 672         network->associating = associating;
 673
 674         if (associating == TRUE) {
 675                 struct connman_service *service;
 676
 677                 service = __connman_service_lookup_from_network(network);
 678                 __connman_service_indicate_state(service,
 679                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 680         }
 681
 682         return 0;
 683 }
 684
 685 static gboolean set_connected(gpointer user_data)
 686 {
 687         struct connman_network *network = user_data;
 688         struct connman_service *service;
 689
 690         service = __connman_service_lookup_from_network(network);
 691
 692         if (network->connected == TRUE) {
 693                 struct connman_element *element;
 694                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 695
 696                 switch (network->protocol) {
 697                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 698                         return 0;
 699                 case CONNMAN_NETWORK_PROTOCOL_IP:
 700                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 701                         break;
 702                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 703                         type = CONNMAN_ELEMENT_TYPE_PPP;
 704                         break;
 705                 }
 706
 707                 __connman_device_increase_connections(network->device);
 708
 709                 __connman_device_set_network(network->device, network);
 710
 711                 connman_device_set_disconnected(network->device, FALSE);
 712
 713                 element = connman_element_create(NULL);
 714                 if (element != NULL) {
 715                         element->type  = type;
 716                         element->index = network->element.index;
 717
 718                         if (connman_element_register(element,
 719                                                 &network->element) < 0)
 720                                 connman_element_unref(element);
 721
 722                         __connman_service_indicate_state(service,
 723                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 724                 }
 725         } else {
 726                 connman_element_unregister_children(&network->element);
 727
 728                 __connman_device_set_network(network->device, NULL);
 729                 network->hidden = FALSE;
 730
 731                 __connman_device_decrease_connections(network->device);
 732
 733                 __connman_service_indicate_state(service,
 734                                                 CONNMAN_SERVICE_STATE_IDLE);
 735         }
 736
 737         network->connecting = FALSE;
 738
 739         connman_network_set_associating(network, FALSE);
 740
 741         return FALSE;
 742 }
 743
 744 /**
 745  * connman_network_set_connected:
 746  * @network: network structure
 747  * @connected: connected state
 748  *
 749  * Change connected state of network
 750  */
 751 int connman_network_set_connected(struct connman_network *network,
 752                                                 connman_bool_t connected)
 753 {
 754         DBusMessage *signal;
 755         DBusMessageIter entry, value;
 756         const char *key = "Connected";
 757
 758         DBG("network %p connected %d", network, connected);
 759
 760         if ((network->connecting == TRUE || network->associating == TRUE) &&
 761                                                         connected == FALSE) {
 762                 connman_element_set_error(&network->element,
 763                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 764                 __connman_network_disconnect(network);
 765         }
 766
 767         if (network->connected == connected)
 768                 return -EALREADY;
 769
 770         network->connected = connected;
 771
 772         if (network->registered == FALSE) {
 773                 g_idle_add(set_connected, network);
 774                 return 0;
 775         }
 776
 777         signal = dbus_message_new_signal(network->element.path,
 778                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 779         if (signal == NULL)
 780                 return 0;
 781
 782         dbus_message_iter_init_append(signal, &entry);
 783
 784         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 785
 786         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 787                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 788         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 789         dbus_message_iter_close_container(&entry, &value);
 790
 791         g_dbus_send_message(connection, signal);
 792
 793         set_connected(network);
 794
 795         return 0;
 796 }
 797
 798 /**
 799  * connman_network_get_connected:
 800  * @network: network structure
 801  *
 802  * Get network connection status
 803  */
 804 connman_bool_t connman_network_get_connected(struct connman_network *network)
 805 {
 806         return network->connected;
 807 }
 808
 809 /**
 810  * connman_network_get_associating:
 811  * @network: network structure
 812  *
 813  * Get network associating status
 814  */
 815 connman_bool_t connman_network_get_associating(struct connman_network *network)
 816 {
 817         return network->associating;
 818 }
 819
 820 /**
 821  * __connman_network_connect:
 822  * @network: network structure
 823  *
 824  * Connect network
 825  */
 826 int __connman_network_connect(struct connman_network *network)
 827 {
 828         int err;
 829
 830         DBG("network %p", network);
 831
 832         if (network->connected == TRUE)
 833                 return -EISCONN;
 834
 835         if (network->connecting == TRUE || network->associating == TRUE)
 836                 return -EALREADY;
 837
 838         if (network->driver == NULL)
 839                 return -EUNATCH;
 840
 841         if (network->driver->connect == NULL)
 842                 return -ENOSYS;
 843
 844         __connman_device_disconnect(network->device);
 845
 846         network->connecting = TRUE;
 847
 848         err = network->driver->connect(network);
 849         if (err < 0) {
 850                 if (err == -EINPROGRESS)
 851                         connman_network_set_associating(network, TRUE);
 852                 else
 853                         network->hidden = FALSE;
 854
 855                 return err;
 856         }
 857
 858         network->connected = TRUE;
 859         set_connected(network);
 860
 861         return err;
 862 }
 863
 864 /**
 865  * __connman_network_disconnect:
 866  * @network: network structure
 867  *
 868  * Disconnect network
 869  */
 870 int __connman_network_disconnect(struct connman_network *network)
 871 {
 872         int err;
 873
 874         DBG("network %p", network);
 875
 876         if (network->connected == FALSE && network->connecting == FALSE &&
 877                                                 network->associating == FALSE)
 878                 return -ENOTCONN;
 879
 880         if (network->driver == NULL)
 881                 return -EUNATCH;
 882
 883         if (network->driver->disconnect == NULL)
 884                 return -ENOSYS;
 885
 886         network->connecting = FALSE;
 887
 888         err = network->driver->disconnect(network);
 889         if (err == 0) {
 890                 network->connected = FALSE;
 891                 set_connected(network);
 892         }
 893
 894         return err;
 895 }
 896
 897 /**
 898  * connman_network_set_address:
 899  * @network: network structure
 900  * @address: binary address value
 901  * @size: binary address length
 902  *
 903  * Set unique address value for network
 904  */
 905 int connman_network_set_address(struct connman_network *network,
 906                                 const void *address, unsigned int size)
 907 {
 908         const unsigned char *addr_octet = address;
 909         char *str;
 910
 911         DBG("network %p size %d", network, size);
 912
 913         if (size != 6)
 914                 return -EINVAL;
 915
 916         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 917                                 addr_octet[0], addr_octet[1], addr_octet[2],
 918                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 919         if (str == NULL)
 920                 return -ENOMEM;
 921
 922         g_free(network->address);
 923         network->address = str;
 924
 925         return connman_element_set_string(&network->element,
 926                                                 "Address", network->address);
 927 }
 928
 929 /**
 930  * connman_network_set_name:
 931  * @network: network structure
 932  * @name: name value
 933  *
 934  * Set display name value for network
 935  */
 936 int connman_network_set_name(struct connman_network *network,
 937                                                         const char *name)
 938 {
 939         DBG("network %p name %s", network, name);
 940
 941         g_free(network->name);
 942         network->name = g_strdup(name);
 943
 944         return connman_element_set_string(&network->element, "Name", name);
 945 }
 946
 947 /**
 948  * connman_network_set_strength:
 949  * @network: network structure
 950  * @strength: strength value
 951  *
 952  * Set signal strength value for network
 953  */
 954 int connman_network_set_strength(struct connman_network *network,
 955                                                 connman_uint8_t strength)
 956 {
 957         DBG("network %p strengh %d", network, strength);
 958
 959         network->strength = strength;
 960
 961         return connman_element_set_uint8(&network->element,
 962                                                 "Strength", strength);
 963 }
 964
 965 /**
 966  * connman_network_set_string:
 967  * @network: network structure
 968  * @key: unique identifier
 969  * @value: string value
 970  *
 971  * Set string value for specific key
 972  */
 973 int connman_network_set_string(struct connman_network *network,
 974                                         const char *key, const char *value)
 975 {
 976         DBG("network %p key %s value %s", network, key, value);
 977
 978         if (g_strcmp0(key, "Name") == 0)
 979                 return connman_network_set_name(network, value);
 980
 981         if (g_str_equal(key, "Address") == TRUE) {
 982                 g_free(network->address);
 983                 network->address = g_strdup(value);
 984         } else if (g_str_equal(key, "Node") == TRUE) {
 985                 g_free(network->node);
 986                 network->node = g_strdup(value);
 987         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 988                 g_free(network->wifi.mode);
 989                 network->wifi.mode = g_strdup(value);
 990         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 991                 g_free(network->wifi.security);
 992                 network->wifi.security = g_strdup(value);
 993         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 994                 g_free(network->wifi.passphrase);
 995                 network->wifi.passphrase = g_strdup(value);
 996         }
 997
 998         return connman_element_set_string(&network->element, key, value);
 999 }
1000
1001 /**
1002  * connman_network_get_string:
1003  * @network: network structure
1004  * @key: unique identifier
1005  *
1006  * Get string value for specific key
1007  */
1008 const char *connman_network_get_string(struct connman_network *network,
1009                                                         const char *key)
1010 {
1011         DBG("network %p key %s", network, key);
1012
1013         if (g_str_equal(key, "Address") == TRUE)
1014                 return network->address;
1015         else if (g_str_equal(key, "Name") == TRUE)
1016                 return network->name;
1017         else if (g_str_equal(key, "Node") == TRUE)
1018                 return network->node;
1019         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1020                 return network->wifi.mode;
1021         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1022                 return network->wifi.security;
1023         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1024                 return network->wifi.passphrase;
1025
1026         return connman_element_get_string(&network->element, key);
1027 }
1028
1029 /**
1030  * connman_network_set_uint8:
1031  * @network: network structure
1032  * @key: unique identifier
1033  * @value: integer value
1034  *
1035  * Set integer value for specific key
1036  */
1037 int connman_network_set_uint8(struct connman_network *network,
1038                                         const char *key, connman_uint8_t value)
1039 {
1040         DBG("network %p key %s value %d", network, key, value);
1041
1042         if (g_strcmp0(key, "Strength") == 0)
1043                 return connman_network_set_strength(network, value);
1044
1045         return connman_element_set_uint8(&network->element, key, value);
1046 }
1047
1048 /**
1049  * connman_network_get_uint8:
1050  * @network: network structure
1051  * @key: unique identifier
1052  *
1053  * Get integer value for specific key
1054  */
1055 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1056                                                         const char *key)
1057 {
1058         DBG("network %p key %s", network, key);
1059
1060         if (g_str_equal(key, "Strength") == TRUE)
1061                 return network->strength;
1062
1063         return connman_element_get_uint8(&network->element, key);
1064 }
1065
1066 /**
1067  * connman_network_set_uint16:
1068  * @network: network structure
1069  * @key: unique identifier
1070  * @value: integer value
1071  *
1072  * Set integer value for specific key
1073  */
1074 int connman_network_set_uint16(struct connman_network *network,
1075                                 const char *key, connman_uint16_t value)
1076 {
1077         DBG("network %p key %s value %d", network, key, value);
1078
1079         if (g_str_equal(key, "Frequency") == TRUE)
1080                 network->frequency = value;
1081         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1082                 network->wifi.channel = value;
1083
1084         return -EINVAL;
1085 }
1086
1087 /**
1088  * connman_network_get_uint16:
1089  * @network: network structure
1090  * @key: unique identifier
1091  *
1092  * Get integer value for specific key
1093  */
1094 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1095                                                         const char *key)
1096 {
1097         DBG("network %p key %s", network, key);
1098
1099         if (g_str_equal(key, "Frequency") == TRUE)
1100                 return network->frequency;
1101         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1102                 return network->wifi.channel;
1103
1104         return 0;
1105 }
1106
1107 /**
1108  * connman_network_set_blob:
1109  * @network: network structure
1110  * @key: unique identifier
1111  * @data: blob data
1112  * @size: blob size
1113  *
1114  * Set binary blob value for specific key
1115  */
1116 int connman_network_set_blob(struct connman_network *network,
1117                         const char *key, const void *data, unsigned int size)
1118 {
1119         DBG("network %p key %s size %d", network, key, size);
1120
1121         if (g_strcmp0(key, "Address") == 0)
1122                 return connman_network_set_address(network, data, size);
1123
1124         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1125                 g_free(network->wifi.ssid);
1126                 network->wifi.ssid = g_try_malloc(size);
1127                 if (network->wifi.ssid != NULL) {
1128                         memcpy(network->wifi.ssid, data, size);
1129                         network->wifi.ssid_len = size;
1130                 } else
1131                         network->wifi.ssid_len = 0;
1132         }
1133
1134         return connman_element_set_blob(&network->element, key, data, size);
1135 }
1136
1137 /**
1138  * connman_network_get_blob:
1139  * @network: network structure
1140  * @key: unique identifier
1141  * @size: pointer to blob size
1142  *
1143  * Get binary blob value for specific key
1144  */
1145 const void *connman_network_get_blob(struct connman_network *network,
1146                                         const char *key, unsigned int *size)
1147 {
1148         DBG("network %p key %s", network, key);
1149
1150         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1151                 if (size != NULL)
1152                         *size = network->wifi.ssid_len;
1153                 return network->wifi.ssid;
1154         }
1155
1156         return connman_element_get_blob(&network->element, key, size);
1157 }
1158
1159 void __connman_network_set_device(struct connman_network *network,
1160                                         struct connman_device *device)
1161 {
1162         network->device = device;
1163 }
1164
1165 /**
1166  * connman_network_get_device:
1167  * @network: network structure
1168  *
1169  * Get parent device of network
1170  */
1171 struct connman_device *connman_network_get_device(struct connman_network *network)
1172 {
1173         return network->device;
1174 }
1175
1176 /**
1177  * connman_network_get_data:
1178  * @network: network structure
1179  *
1180  * Get private network data pointer
1181  */
1182 void *connman_network_get_data(struct connman_network *network)
1183 {
1184         return network->driver_data;
1185 }
1186
1187 /**
1188  * connman_network_set_data:
1189  * @network: network structure
1190  * @data: data pointer
1191  *
1192  * Set private network data pointer
1193  */
1194 void connman_network_set_data(struct connman_network *network, void *data)
1195 {
1196         network->driver_data = data;
1197 }
1198
1199 static gboolean match_driver(struct connman_network *network,
1200                                         struct connman_network_driver *driver)
1201 {
1202         if (network->type == driver->type ||
1203                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1204                 return TRUE;
1205
1206         return FALSE;
1207 }
1208
1209 static int network_probe(struct connman_element *element)
1210 {
1211         struct connman_network *network = element->network;
1212         GSList *list;
1213         int err;
1214
1215         DBG("element %p name %s", element, element->name);
1216
1217         if (network == NULL)
1218                 return -ENODEV;
1219
1220         for (list = driver_list; list; list = list->next) {
1221                 struct connman_network_driver *driver = list->data;
1222
1223                 if (match_driver(network, driver) == FALSE)
1224                         continue;
1225
1226                 DBG("driver %p name %s", driver, driver->name);
1227
1228                 if (driver->probe(network) == 0) {
1229                         network->driver = driver;
1230                         break;
1231                 }
1232         }
1233
1234         if (network->driver == NULL)
1235                 return -ENODEV;
1236
1237         err = register_interface(element);
1238         if (err < 0) {
1239                 if (network->driver->remove)
1240                         network->driver->remove(network);
1241                 return err;
1242         }
1243
1244         network->secondary = connman_device_get_secondary(network->device);
1245
1246         switch (network->type) {
1247         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1248         case CONNMAN_NETWORK_TYPE_VENDOR:
1249                 break;
1250         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1251         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1252         case CONNMAN_NETWORK_TYPE_MBM:
1253         case CONNMAN_NETWORK_TYPE_HSO:
1254         case CONNMAN_NETWORK_TYPE_WIFI:
1255         case CONNMAN_NETWORK_TYPE_WIMAX:
1256                 if (network->group != NULL && network->secondary == FALSE)
1257                         __connman_profile_add_network(network);
1258                 break;
1259         }
1260
1261         return 0;
1262 }
1263
1264 static void network_remove(struct connman_element *element)
1265 {
1266         struct connman_network *network = element->network;
1267
1268         DBG("element %p name %s", element, element->name);
1269
1270         if (network == NULL)
1271                 return;
1272
1273         if (network->driver == NULL)
1274                 return;
1275
1276         switch (network->type) {
1277         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1278         case CONNMAN_NETWORK_TYPE_VENDOR:
1279                 break;
1280         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1281         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1282         case CONNMAN_NETWORK_TYPE_MBM:
1283         case CONNMAN_NETWORK_TYPE_HSO:
1284         case CONNMAN_NETWORK_TYPE_WIFI:
1285         case CONNMAN_NETWORK_TYPE_WIMAX:
1286                 if (network->group != NULL && network->secondary == FALSE) {
1287                         __connman_profile_remove_network(network);
1288
1289                         g_free(network->group);
1290                         network->group = NULL;
1291                 }
1292                 break;
1293         }
1294
1295         unregister_interface(element);
1296
1297         if (network->driver->remove)
1298                 network->driver->remove(network);
1299 }
1300
1301 static void network_change(struct connman_element *element)
1302 {
1303         struct connman_network *network = element->network;
1304
1305         DBG("element %p name %s", element, element->name);
1306
1307         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1308                 return;
1309
1310         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1311                 return;
1312
1313         if (network->connected == FALSE)
1314                 return;
1315
1316         connman_element_unregister_children(element);
1317
1318         connman_device_set_disconnected(network->device, TRUE);
1319
1320         if (network->driver && network->driver->disconnect) {
1321                 network->driver->disconnect(network);
1322                 return;
1323         }
1324
1325         network->connected = FALSE;
1326 }
1327
1328 static struct connman_driver network_driver = {
1329         .name           = "network",
1330         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1331         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1332         .probe          = network_probe,
1333         .remove         = network_remove,
1334         .change         = network_change,
1335 };
1336
1337 int __connman_network_init(void)
1338 {
1339         DBG("");
1340
1341         connection = connman_dbus_get_connection();
1342
1343         return connman_driver_register(&network_driver);
1344 }
1345
1346 void __connman_network_cleanup(void)
1347 {
1348         DBG("");
1349
1350         connman_driver_unregister(&network_driver);
1351
1352         dbus_connection_unref(connection);
1353 }