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