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 const char *connman_network_get_group(struct connman_network *network)
 633 {
 634         return network->group;
 635 }
 636
 637 const char *__connman_network_get_ident(struct connman_network *network)
 638 {
 639         if (network->device == NULL)
 640                 return NULL;
 641
 642         return __connman_device_get_ident(network->device);
 643 }
 644
 645 /**
 646  * connman_network_set_available:
 647  * @network: network structure
 648  * @available: availability state
 649  *
 650  * Change availability state of network (in range)
 651  */
 652 int connman_network_set_available(struct connman_network *network,
 653                                                 connman_bool_t available)
 654 {
 655         DBG("network %p available %d", network, available);
 656
 657         if (network->available == available)
 658                 return -EALREADY;
 659
 660         network->available = available;
 661
 662         return 0;
 663 }
 664
 665 /**
 666  * connman_network_get_available:
 667  * @network: network structure
 668  *
 669  * Get network available setting
 670  */
 671 connman_bool_t connman_network_get_available(struct connman_network *network)
 672 {
 673         return network->available;
 674 }
 675
 676 /**
 677  * connman_network_set_associating:
 678  * @network: network structure
 679  * @associating: associating state
 680  *
 681  * Change associating state of network
 682  */
 683 int connman_network_set_associating(struct connman_network *network,
 684                                                 connman_bool_t associating)
 685 {
 686         DBG("network %p associating %d", network, associating);
 687
 688         if (network->associating == associating)
 689                 return -EALREADY;
 690
 691         network->associating = associating;
 692
 693         if (associating == TRUE) {
 694                 struct connman_service *service;
 695
 696                 service = __connman_service_lookup_from_network(network);
 697                 __connman_service_indicate_state(service,
 698                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 699         }
 700
 701         return 0;
 702 }
 703
 704 static gboolean set_connected(gpointer user_data)
 705 {
 706         struct connman_network *network = user_data;
 707         struct connman_service *service;
 708
 709         service = __connman_service_lookup_from_network(network);
 710
 711         if (network->connected == TRUE) {
 712                 struct connman_element *element;
 713                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 714
 715                 switch (network->protocol) {
 716                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 717                         return 0;
 718                 case CONNMAN_NETWORK_PROTOCOL_IP:
 719                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 720                         break;
 721                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 722                         type = CONNMAN_ELEMENT_TYPE_PPP;
 723                         break;
 724                 }
 725
 726                 __connman_device_increase_connections(network->device);
 727
 728                 __connman_device_set_network(network->device, network);
 729
 730                 connman_device_set_disconnected(network->device, FALSE);
 731
 732                 element = connman_element_create(NULL);
 733                 if (element != NULL) {
 734                         element->type  = type;
 735                         element->index = network->element.index;
 736
 737                         if (connman_element_register(element,
 738                                                 &network->element) < 0)
 739                                 connman_element_unref(element);
 740
 741                         __connman_service_indicate_state(service,
 742                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 743                 }
 744         } else {
 745                 connman_element_unregister_children(&network->element);
 746
 747                 __connman_device_set_network(network->device, NULL);
 748
 749                 __connman_device_decrease_connections(network->device);
 750
 751                 __connman_service_indicate_state(service,
 752                                                 CONNMAN_SERVICE_STATE_IDLE);
 753         }
 754
 755         return FALSE;
 756 }
 757
 758 /**
 759  * connman_network_set_connected:
 760  * @network: network structure
 761  * @connected: connected state
 762  *
 763  * Change connected state of network
 764  */
 765 int connman_network_set_connected(struct connman_network *network,
 766                                                 connman_bool_t connected)
 767 {
 768         DBusMessage *signal;
 769         DBusMessageIter entry, value;
 770         const char *key = "Connected";
 771
 772         DBG("network %p connected %d", network, connected);
 773
 774         if (network->connected == connected)
 775                 return -EALREADY;
 776
 777         network->connected = connected;
 778
 779         if (connected == TRUE)
 780                 network->associating = FALSE;
 781
 782         if (network->registered == FALSE) {
 783                 g_idle_add(set_connected, network);
 784                 return 0;
 785         }
 786
 787         signal = dbus_message_new_signal(network->element.path,
 788                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 789         if (signal == NULL)
 790                 return 0;
 791
 792         dbus_message_iter_init_append(signal, &entry);
 793
 794         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 795
 796         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 797                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 798         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 799         dbus_message_iter_close_container(&entry, &value);
 800
 801         g_dbus_send_message(connection, signal);
 802
 803         set_connected(network);
 804
 805         return 0;
 806 }
 807
 808 /**
 809  * connman_network_get_connected:
 810  * @network: network structure
 811  *
 812  * Get network connection status
 813  */
 814 connman_bool_t connman_network_get_connected(struct connman_network *network)
 815 {
 816         return network->connected;
 817 }
 818
 819 /**
 820  * __connman_network_connect:
 821  * @network: network structure
 822  *
 823  * Connect network
 824  */
 825 int __connman_network_connect(struct connman_network *network)
 826 {
 827         int err;
 828
 829         DBG("network %p", network);
 830
 831         if (network->connected == TRUE)
 832                 return -EALREADY;
 833
 834         if (network->driver == NULL)
 835                 return -EUNATCH;
 836
 837         if (network->driver->connect == NULL)
 838                 return -ENOSYS;
 839
 840         __connman_device_disconnect(network->device);
 841
 842         err = network->driver->connect(network);
 843         if (err == 0) {
 844                 network->connected = TRUE;
 845                 set_connected(network);
 846         }
 847
 848         return err;
 849 }
 850
 851 /**
 852  * __connman_network_disconnect:
 853  * @network: network structure
 854  *
 855  * Disconnect network
 856  */
 857 int __connman_network_disconnect(struct connman_network *network)
 858 {
 859         int err;
 860
 861         DBG("network %p", network);
 862
 863         if (network->connected == FALSE)
 864                 return -ENOTCONN;
 865
 866         if (network->driver == NULL)
 867                 return -EUNATCH;
 868
 869         if (network->driver->disconnect == NULL)
 870                 return -ENOSYS;
 871
 872         err = network->driver->disconnect(network);
 873         if (err == 0) {
 874                 network->connected = FALSE;
 875                 set_connected(network);
 876         }
 877
 878         return err;
 879 }
 880
 881 /**
 882  * connman_network_set_address:
 883  * @network: network structure
 884  * @address: binary address value
 885  * @size: binary address length
 886  *
 887  * Set unique address value for network
 888  */
 889 int connman_network_set_address(struct connman_network *network,
 890                                 const void *address, unsigned int size)
 891 {
 892         const unsigned char *addr_octet = address;
 893         char *str;
 894
 895         DBG("network %p size %d", network, size);
 896
 897         if (size != 6)
 898                 return -EINVAL;
 899
 900         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 901                                 addr_octet[0], addr_octet[1], addr_octet[2],
 902                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 903         if (str == NULL)
 904                 return -ENOMEM;
 905
 906         g_free(network->address);
 907         network->address = str;
 908
 909         return connman_element_set_string(&network->element,
 910                                                 "Address", network->address);
 911 }
 912
 913 /**
 914  * connman_network_set_name:
 915  * @network: network structure
 916  * @name: name value
 917  *
 918  * Set display name value for network
 919  */
 920 int connman_network_set_name(struct connman_network *network,
 921                                                         const char *name)
 922 {
 923         DBG("network %p name %s", network, name);
 924
 925         g_free(network->name);
 926         network->name = g_strdup(name);
 927
 928         return connman_element_set_string(&network->element, "Name", name);
 929 }
 930
 931 /**
 932  * connman_network_set_strength:
 933  * @network: network structure
 934  * @strength: strength value
 935  *
 936  * Set signal strength value for network
 937  */
 938 int connman_network_set_strength(struct connman_network *network,
 939                                                 connman_uint8_t strength)
 940 {
 941         DBG("network %p strengh %d", network, strength);
 942
 943         network->strength = strength;
 944
 945         return connman_element_set_uint8(&network->element,
 946                                                 "Strength", strength);
 947 }
 948
 949 /**
 950  * connman_network_set_string:
 951  * @network: network structure
 952  * @key: unique identifier
 953  * @value: string value
 954  *
 955  * Set string value for specific key
 956  */
 957 int connman_network_set_string(struct connman_network *network,
 958                                         const char *key, const char *value)
 959 {
 960         DBG("network %p key %s value %s", network, key, value);
 961
 962         if (g_strcmp0(key, "Name") == 0)
 963                 return connman_network_set_name(network, value);
 964
 965         if (g_str_equal(key, "Address") == TRUE) {
 966                 g_free(network->address);
 967                 network->address = g_strdup(value);
 968         } else if (g_str_equal(key, "Node") == TRUE) {
 969                 g_free(network->node);
 970                 network->node = g_strdup(value);
 971         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 972                 g_free(network->wifi.mode);
 973                 network->wifi.mode = g_strdup(value);
 974         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 975                 g_free(network->wifi.security);
 976                 network->wifi.security = g_strdup(value);
 977         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 978                 g_free(network->wifi.passphrase);
 979                 network->wifi.passphrase = g_strdup(value);
 980         }
 981
 982         return connman_element_set_string(&network->element, key, value);
 983 }
 984
 985 /**
 986  * connman_network_get_string:
 987  * @network: network structure
 988  * @key: unique identifier
 989  *
 990  * Get string value for specific key
 991  */
 992 const char *connman_network_get_string(struct connman_network *network,
 993                                                         const char *key)
 994 {
 995         DBG("network %p key %s", network, key);
 996
 997         if (g_str_equal(key, "Address") == TRUE)
 998                 return network->address;
 999         else if (g_str_equal(key, "Name") == TRUE)
1000                 return network->name;
1001         else if (g_str_equal(key, "Node") == TRUE)
1002                 return network->node;
1003         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1004                 return network->wifi.mode;
1005         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1006                 return network->wifi.security;
1007         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1008                 return network->wifi.passphrase;
1009
1010         return connman_element_get_string(&network->element, key);
1011 }
1012
1013 /**
1014  * connman_network_set_uint8:
1015  * @network: network structure
1016  * @key: unique identifier
1017  * @value: integer value
1018  *
1019  * Set integer value for specific key
1020  */
1021 int connman_network_set_uint8(struct connman_network *network,
1022                                         const char *key, connman_uint8_t value)
1023 {
1024         DBG("network %p key %s value %d", network, key, value);
1025
1026         if (g_strcmp0(key, "Strength") == 0)
1027                 return connman_network_set_strength(network, value);
1028
1029         return connman_element_set_uint8(&network->element, key, value);
1030 }
1031
1032 /**
1033  * connman_network_get_uint8:
1034  * @network: network structure
1035  * @key: unique identifier
1036  *
1037  * Get integer value for specific key
1038  */
1039 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1040                                                         const char *key)
1041 {
1042         DBG("network %p key %s", network, key);
1043
1044         if (g_str_equal(key, "Strength") == TRUE)
1045                 return network->strength;
1046
1047         return connman_element_get_uint8(&network->element, key);
1048 }
1049
1050 /**
1051  * connman_network_set_uint16:
1052  * @network: network structure
1053  * @key: unique identifier
1054  * @value: integer value
1055  *
1056  * Set integer value for specific key
1057  */
1058 int connman_network_set_uint16(struct connman_network *network,
1059                                 const char *key, connman_uint16_t value)
1060 {
1061         DBG("network %p key %s value %d", network, key, value);
1062
1063         if (g_str_equal(key, "Frequency") == TRUE)
1064                 network->frequency = value;
1065         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1066                 network->wifi.channel = value;
1067
1068         return -EINVAL;
1069 }
1070
1071 /**
1072  * connman_network_get_uint16:
1073  * @network: network structure
1074  * @key: unique identifier
1075  *
1076  * Get integer value for specific key
1077  */
1078 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1079                                                         const char *key)
1080 {
1081         DBG("network %p key %s", network, key);
1082
1083         if (g_str_equal(key, "Frequency") == TRUE)
1084                 return network->frequency;
1085         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1086                 return network->wifi.channel;
1087
1088         return 0;
1089 }
1090
1091 /**
1092  * connman_network_set_blob:
1093  * @network: network structure
1094  * @key: unique identifier
1095  * @data: blob data
1096  * @size: blob size
1097  *
1098  * Set binary blob value for specific key
1099  */
1100 int connman_network_set_blob(struct connman_network *network,
1101                         const char *key, const void *data, unsigned int size)
1102 {
1103         DBG("network %p key %s size %d", network, key, size);
1104
1105         if (g_strcmp0(key, "Address") == 0)
1106                 return connman_network_set_address(network, data, size);
1107
1108         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1109                 g_free(network->wifi.ssid);
1110                 network->wifi.ssid = g_try_malloc(size);
1111                 if (network->wifi.ssid != NULL) {
1112                         memcpy(network->wifi.ssid, data, size);
1113                         network->wifi.ssid_len = size;
1114                 } else
1115                         network->wifi.ssid_len = 0;
1116         }
1117
1118         return connman_element_set_blob(&network->element, key, data, size);
1119 }
1120
1121 /**
1122  * connman_network_get_blob:
1123  * @network: network structure
1124  * @key: unique identifier
1125  * @size: pointer to blob size
1126  *
1127  * Get binary blob value for specific key
1128  */
1129 const void *connman_network_get_blob(struct connman_network *network,
1130                                         const char *key, unsigned int *size)
1131 {
1132         DBG("network %p key %s", network, key);
1133
1134         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1135                 if (size != NULL)
1136                         *size = network->wifi.ssid_len;
1137                 return network->wifi.ssid;
1138         }
1139
1140         return connman_element_get_blob(&network->element, key, size);
1141 }
1142
1143 void __connman_network_set_device(struct connman_network *network,
1144                                         struct connman_device *device)
1145 {
1146         network->device = device;
1147 }
1148
1149 /**
1150  * connman_network_get_device:
1151  * @network: network structure
1152  *
1153  * Get parent device of network
1154  */
1155 struct connman_device *connman_network_get_device(struct connman_network *network)
1156 {
1157         return network->device;
1158 }
1159
1160 /**
1161  * connman_network_get_data:
1162  * @network: network structure
1163  *
1164  * Get private network data pointer
1165  */
1166 void *connman_network_get_data(struct connman_network *network)
1167 {
1168         return network->driver_data;
1169 }
1170
1171 /**
1172  * connman_network_set_data:
1173  * @network: network structure
1174  * @data: data pointer
1175  *
1176  * Set private network data pointer
1177  */
1178 void connman_network_set_data(struct connman_network *network, void *data)
1179 {
1180         network->driver_data = data;
1181 }
1182
1183 static gboolean match_driver(struct connman_network *network,
1184                                         struct connman_network_driver *driver)
1185 {
1186         if (network->type == driver->type ||
1187                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1188                 return TRUE;
1189
1190         return FALSE;
1191 }
1192
1193 static int network_probe(struct connman_element *element)
1194 {
1195         struct connman_network *network = element->network;
1196         GSList *list;
1197         int err;
1198
1199         DBG("element %p name %s", element, element->name);
1200
1201         if (network == NULL)
1202                 return -ENODEV;
1203
1204         for (list = driver_list; list; list = list->next) {
1205                 struct connman_network_driver *driver = list->data;
1206
1207                 if (match_driver(network, driver) == FALSE)
1208                         continue;
1209
1210                 DBG("driver %p name %s", driver, driver->name);
1211
1212                 if (driver->probe(network) == 0) {
1213                         network->driver = driver;
1214                         break;
1215                 }
1216         }
1217
1218         if (network->driver == NULL)
1219                 return -ENODEV;
1220
1221         err = register_interface(element);
1222         if (err < 0) {
1223                 if (network->driver->remove)
1224                         network->driver->remove(network);
1225                 return err;
1226         }
1227
1228         network->secondary = connman_device_get_secondary(network->device);
1229
1230         switch (network->type) {
1231         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1232         case CONNMAN_NETWORK_TYPE_VENDOR:
1233         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1234         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1235         case CONNMAN_NETWORK_TYPE_HSO:
1236                 break;
1237         case CONNMAN_NETWORK_TYPE_WIFI:
1238         case CONNMAN_NETWORK_TYPE_WIMAX:
1239                 if (network->group != NULL && network->secondary == FALSE)
1240                         __connman_profile_add_network(network);
1241                 break;
1242         }
1243
1244         return 0;
1245 }
1246
1247 static void network_remove(struct connman_element *element)
1248 {
1249         struct connman_network *network = element->network;
1250
1251         DBG("element %p name %s", element, element->name);
1252
1253         if (network == NULL)
1254                 return;
1255
1256         if (network->driver == NULL)
1257                 return;
1258
1259         switch (network->type) {
1260         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1261         case CONNMAN_NETWORK_TYPE_VENDOR:
1262         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1263         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1264         case CONNMAN_NETWORK_TYPE_HSO:
1265                 break;
1266         case CONNMAN_NETWORK_TYPE_WIFI:
1267         case CONNMAN_NETWORK_TYPE_WIMAX:
1268                 if (network->group != NULL && network->secondary == FALSE) {
1269                         __connman_profile_remove_network(network);
1270
1271                         g_free(network->group);
1272                         network->group = NULL;
1273                 }
1274                 break;
1275         }
1276
1277         unregister_interface(element);
1278
1279         if (network->driver->remove)
1280                 network->driver->remove(network);
1281 }
1282
1283 static void network_change(struct connman_element *element)
1284 {
1285         struct connman_network *network = element->network;
1286
1287         DBG("element %p name %s", element, element->name);
1288
1289         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1290                 return;
1291
1292         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1293                 return;
1294
1295         if (network->connected == FALSE)
1296                 return;
1297
1298         connman_element_unregister_children(element);
1299
1300         connman_device_set_disconnected(network->device, TRUE);
1301
1302         if (network->driver && network->driver->disconnect) {
1303                 network->driver->disconnect(network);
1304                 return;
1305         }
1306
1307         network->connected = FALSE;
1308 }
1309
1310 static struct connman_driver network_driver = {
1311         .name           = "network",
1312         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1313         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1314         .probe          = network_probe,
1315         .remove         = network_remove,
1316         .change         = network_change,
1317 };
1318
1319 int __connman_network_init(void)
1320 {
1321         DBG("");
1322
1323         connection = connman_dbus_get_connection();
1324
1325         return connman_driver_register(&network_driver);
1326 }
1327
1328 void __connman_network_cleanup(void)
1329 {
1330         DBG("");
1331
1332         connman_driver_unregister(&network_driver);
1333
1334         dbus_connection_unref(connection);
1335 }