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 static unsigned int hidden_counter = 0;
  34
  35 struct connman_network {
  36         struct connman_element element;
  37         enum connman_network_type type;
  38         enum connman_network_protocol protocol;
  39         connman_bool_t secondary;
  40         connman_bool_t available;
  41         connman_bool_t connected;
  42         connman_bool_t roaming;
  43         connman_bool_t hidden;
  44         connman_uint8_t strength;
  45         connman_uint16_t frequency;
  46         char *identifier;
  47         char *address;
  48         char *name;
  49         char *node;
  50         char *group;
  51         struct connman_ipconfig *ipconfig;
  52
  53         struct connman_network_driver *driver;
  54         void *driver_data;
  55
  56         connman_bool_t registered;
  57         connman_bool_t connecting;
  58         connman_bool_t associating;
  59
  60         struct connman_device *device;
  61
  62         struct {
  63                 void *ssid;
  64                 int ssid_len;
  65                 char *mode;
  66                 unsigned short channel;
  67                 char *security;
  68                 char *passphrase;
  69         } wifi;
  70 };
  71
  72 static const char *type2string(enum connman_network_type type)
  73 {
  74         switch (type) {
  75         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  76         case CONNMAN_NETWORK_TYPE_VENDOR:
  77                 break;
  78         case CONNMAN_NETWORK_TYPE_WIFI:
  79                 return "wifi";
  80         case CONNMAN_NETWORK_TYPE_WIMAX:
  81                 return "wimax";
  82         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  83         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  84                 return "bluetooth";
  85         case CONNMAN_NETWORK_TYPE_CELLULAR:
  86         case CONNMAN_NETWORK_TYPE_MBM:
  87         case CONNMAN_NETWORK_TYPE_HSO:
  88                 return "cellular";
  89         }
  90
  91         return NULL;
  92 }
  93
  94 static DBusMessage *get_properties(DBusConnection *conn,
  95                                         DBusMessage *msg, void *data)
  96 {
  97         struct connman_network *network = data;
  98         DBusMessage *reply;
  99         DBusMessageIter array, dict;
 100
 101         DBG("conn %p", conn);
 102
 103         if (__connman_security_check_privilege(msg,
 104                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 105                 return __connman_error_permission_denied(msg);
 106
 107         reply = dbus_message_new_method_return(msg);
 108         if (reply == NULL)
 109                 return NULL;
 110
 111         dbus_message_iter_init_append(reply, &array);
 112
 113         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 114                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 115                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 116                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 117
 118         if (network->device) {
 119                 const char *path = connman_device_get_path(network->device);
 120                 if (path != NULL)
 121                         connman_dbus_dict_append_variant(&dict, "Device",
 122                                                 DBUS_TYPE_OBJECT_PATH, &path);
 123         }
 124
 125         if (network->address != NULL)
 126                 connman_dbus_dict_append_variant(&dict, "Address",
 127                                         DBUS_TYPE_STRING, &network->address);
 128
 129         if (network->name != NULL)
 130                 connman_dbus_dict_append_variant(&dict, "Name",
 131                                         DBUS_TYPE_STRING, &network->name);
 132
 133         connman_dbus_dict_append_variant(&dict, "Connected",
 134                                 DBUS_TYPE_BOOLEAN, &network->connected);
 135
 136         if (network->strength > 0)
 137                 connman_dbus_dict_append_variant(&dict, "Strength",
 138                                         DBUS_TYPE_BYTE, &network->strength);
 139
 140         if (network->frequency > 0)
 141                 connman_dbus_dict_append_variant(&dict, "Frequency",
 142                                         DBUS_TYPE_UINT16, &network->frequency);
 143
 144         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 145                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 146                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 147                                                 network->wifi.ssid_len);
 148
 149         if (network->wifi.mode != NULL)
 150                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 151                                 DBUS_TYPE_STRING, &network->wifi.mode);
 152
 153         if (network->wifi.channel > 0)
 154                 connman_dbus_dict_append_variant(&dict, "WiFi.Channel",
 155                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 156
 157         if (network->wifi.security != NULL)
 158                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 159                                 DBUS_TYPE_STRING, &network->wifi.security);
 160
 161         if (network->wifi.passphrase != NULL &&
 162                         __connman_security_check_privilege(msg,
 163                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 164                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 165                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 166
 167         dbus_message_iter_close_container(&array, &dict);
 168
 169         return reply;
 170 }
 171
 172 static DBusMessage *set_property(DBusConnection *conn,
 173                                         DBusMessage *msg, void *data)
 174 {
 175         struct connman_network *network = data;
 176         DBusMessageIter iter, value;
 177         const char *name;
 178         int type;
 179
 180         DBG("conn %p", conn);
 181
 182         if (dbus_message_iter_init(msg, &iter) == FALSE)
 183                 return __connman_error_invalid_arguments(msg);
 184
 185         dbus_message_iter_get_basic(&iter, &name);
 186         dbus_message_iter_next(&iter);
 187         dbus_message_iter_recurse(&iter, &value);
 188
 189         if (__connman_security_check_privilege(msg,
 190                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 191                 return __connman_error_permission_denied(msg);
 192
 193         type = dbus_message_iter_get_arg_type(&value);
 194
 195         if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 196                 const char *passphrase;
 197
 198                 if (type != DBUS_TYPE_STRING)
 199                         return __connman_error_invalid_arguments(msg);
 200
 201                 if (__connman_security_check_privilege(msg,
 202                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 203                         return __connman_error_permission_denied(msg);
 204
 205                 dbus_message_iter_get_basic(&value, &passphrase);
 206
 207                 g_free(network->wifi.passphrase);
 208                 network->wifi.passphrase = g_strdup(passphrase);
 209         } else if (g_str_has_prefix(name, "IPv4.") == TRUE) {
 210                 int err;
 211
 212                 if (network->ipconfig == NULL)
 213                         return __connman_error_invalid_property(msg);
 214
 215                 err = __connman_ipconfig_set_ipv4(network->ipconfig,
 216                                                         name + 5, &value);
 217                 if (err < 0)
 218                         return __connman_error_failed(msg, -err);
 219         } else
 220                 return __connman_error_invalid_property(msg);
 221
 222         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 223 }
 224
 225 static GDBusMethodTable network_methods[] = {
 226         { "GetProperties", "",   "a{sv}", get_properties },
 227         { "SetProperty",   "sv", "",      set_property   },
 228         { },
 229 };
 230
 231 static GDBusSignalTable network_signals[] = {
 232         { "PropertyChanged", "sv" },
 233         { },
 234 };
 235
 236 static DBusConnection *connection;
 237
 238 static void append_networks(struct connman_device *device,
 239                                                 DBusMessageIter *entry)
 240 {
 241         DBusMessageIter value, iter;
 242         const char *key = "Networks";
 243
 244         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 245
 246         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 247                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 248                                                                 &value);
 249
 250         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 251                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 252         __connman_element_list((struct connman_element *) device,
 253                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 254         dbus_message_iter_close_container(&value, &iter);
 255
 256         dbus_message_iter_close_container(entry, &value);
 257 }
 258
 259 static void emit_networks_signal(struct connman_device *device)
 260 {
 261         const char *path = connman_device_get_path(device);
 262         DBusMessage *signal;
 263         DBusMessageIter entry;
 264
 265         signal = dbus_message_new_signal(path,
 266                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 267         if (signal == NULL)
 268                 return;
 269
 270         dbus_message_iter_init_append(signal, &entry);
 271
 272         append_networks(device, &entry);
 273
 274         g_dbus_send_message(connection, signal);
 275 }
 276
 277 static int register_interface(struct connman_element *element)
 278 {
 279         struct connman_network *network = element->network;
 280
 281         DBG("element %p name %s", element, element->name);
 282
 283         if (g_dbus_register_interface(connection, element->path,
 284                                         CONNMAN_NETWORK_INTERFACE,
 285                                         network_methods, network_signals,
 286                                         NULL, network, NULL) == FALSE) {
 287                 connman_error("Failed to register %s network", element->path);
 288                 return -EIO;
 289         }
 290
 291         network->registered = TRUE;
 292
 293         emit_networks_signal(network->device);
 294
 295         return 0;
 296 }
 297
 298 static void unregister_interface(struct connman_element *element)
 299 {
 300         struct connman_network * network = element->network;
 301
 302         DBG("element %p name %s", element, element->name);
 303
 304         network->registered = FALSE;
 305
 306         emit_networks_signal(network->device);
 307
 308         g_dbus_unregister_interface(connection, element->path,
 309                                                 CONNMAN_NETWORK_INTERFACE);
 310 }
 311
 312 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 313 {
 314         if (network == NULL || network->driver == NULL)
 315                 return FALSE;
 316
 317         return network->registered;
 318 }
 319
 320 static GSList *driver_list = NULL;
 321
 322 static gint compare_priority(gconstpointer a, gconstpointer b)
 323 {
 324         const struct connman_network_driver *driver1 = a;
 325         const struct connman_network_driver *driver2 = b;
 326
 327         return driver2->priority - driver1->priority;
 328 }
 329
 330 /**
 331  * connman_network_driver_register:
 332  * @driver: network driver definition
 333  *
 334  * Register a new network driver
 335  *
 336  * Returns: %0 on success
 337  */
 338 int connman_network_driver_register(struct connman_network_driver *driver)
 339 {
 340         DBG("driver %p name %s", driver, driver->name);
 341
 342         driver_list = g_slist_insert_sorted(driver_list, driver,
 343                                                         compare_priority);
 344
 345         return 0;
 346 }
 347
 348 /**
 349  * connman_network_driver_unregister:
 350  * @driver: network driver definition
 351  *
 352  * Remove a previously registered network driver
 353  */
 354 void connman_network_driver_unregister(struct connman_network_driver *driver)
 355 {
 356         DBG("driver %p name %s", driver, driver->name);
 357
 358         driver_list = g_slist_remove(driver_list, driver);
 359 }
 360
 361 static void network_destruct(struct connman_element *element)
 362 {
 363         struct connman_network *network = element->network;
 364
 365         DBG("element %p name %s", element, element->name);
 366
 367         g_free(network->wifi.ssid);
 368         g_free(network->wifi.mode);
 369         g_free(network->wifi.security);
 370         g_free(network->wifi.passphrase);
 371
 372         g_free(network->group);
 373         g_free(network->node);
 374         g_free(network->name);
 375         g_free(network->address);
 376         g_free(network->identifier);
 377
 378         if (network->ipconfig) {
 379                 connman_ipconfig_unref(network->ipconfig);
 380                 network->ipconfig = NULL;
 381         }
 382 }
 383
 384 /**
 385  * connman_network_create:
 386  * @identifier: network identifier (for example an unqiue name)
 387  *
 388  * Allocate a new network and assign the #identifier to it.
 389  *
 390  * Returns: a newly-allocated #connman_network structure
 391  */
 392 struct connman_network *connman_network_create(const char *identifier,
 393                                                 enum connman_network_type type)
 394 {
 395         struct connman_network *network;
 396         connman_uint8_t strength = 0;
 397         const char *str;
 398         char *temp;
 399
 400         DBG("identifier %s type %d", identifier, type);
 401
 402         network = g_try_new0(struct connman_network, 1);
 403         if (network == NULL)
 404                 return NULL;
 405
 406         DBG("network %p", network);
 407
 408         __connman_element_initialize(&network->element);
 409
 410         //temp = connman_dbus_encode_string(identifier);
 411         if (identifier == NULL) {
 412                 temp = g_strdup_printf("hidden_%d", hidden_counter++);
 413                 network->hidden = TRUE;
 414         } else
 415                 temp = g_strdup(identifier);
 416
 417         if (temp == NULL) {
 418                 g_free(network);
 419                 return NULL;
 420         }
 421
 422         network->element.name = temp;
 423         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 424
 425         network->element.network = network;
 426         network->element.destruct = network_destruct;
 427
 428         str = type2string(type);
 429         if (str != NULL)
 430                 connman_element_set_string(&network->element, "Type", str);
 431
 432         connman_element_set_uint8(&network->element, "Strength", strength);
 433
 434         network->type       = type;
 435         network->secondary  = FALSE;
 436         network->identifier = g_strdup(temp);
 437
 438         return network;
 439 }
 440
 441 /**
 442  * connman_network_ref:
 443  * @network: network structure
 444  *
 445  * Increase reference counter of  network
 446  */
 447 struct connman_network *connman_network_ref(struct connman_network *network)
 448 {
 449         if (connman_element_ref(&network->element) == NULL)
 450                 return NULL;
 451
 452         return network;
 453 }
 454
 455 /**
 456  * connman_network_unref:
 457  * @network: network structure
 458  *
 459  * Decrease reference counter of network
 460  */
 461 void connman_network_unref(struct connman_network *network)
 462 {
 463         connman_element_unref(&network->element);
 464 }
 465
 466 const char *__connman_network_get_type(struct connman_network *network)
 467 {
 468         return type2string(network->type);
 469 }
 470
 471 /**
 472  * connman_network_get_type:
 473  * @network: network structure
 474  *
 475  * Get type of network
 476  */
 477 enum connman_network_type connman_network_get_type(struct connman_network *network)
 478 {
 479         return network->type;
 480 }
 481
 482 /**
 483  * connman_network_get_identifier:
 484  * @network: network structure
 485  *
 486  * Get identifier of network
 487  */
 488 const char *connman_network_get_identifier(struct connman_network *network)
 489 {
 490         return network->identifier;
 491 }
 492
 493 /**
 494  * connman_network_get_path:
 495  * @network: network structure
 496  *
 497  * Get path name of network
 498  */
 499 const char *connman_network_get_path(struct connman_network *network)
 500 {
 501         return network->element.path;
 502 }
 503
 504 /**
 505  * connman_network_set_index:
 506  * @network: network structure
 507  * @index: index number
 508  *
 509  * Set index number of network
 510  */
 511 void connman_network_set_index(struct connman_network *network, int index)
 512 {
 513         network->element.index = index;
 514 }
 515
 516 /**
 517  * connman_network_get_index:
 518  * @network: network structure
 519  *
 520  * Get index number of network
 521  */
 522 int connman_network_get_index(struct connman_network *network)
 523 {
 524         return network->element.index;
 525 }
 526
 527 /**
 528  * connman_network_set_protocol:
 529  * @network: network structure
 530  * @protocol: network protocol
 531  *
 532  * Change protocol of network
 533  */
 534 void connman_network_set_protocol(struct connman_network *network,
 535                                         enum connman_network_protocol protocol)
 536 {
 537         network->protocol = protocol;
 538 }
 539
 540 /**
 541  * connman_network_set_group:
 542  * @network: network structure
 543  * @group: group name
 544  *
 545  * Set group name for automatic clustering
 546  */
 547 void connman_network_set_group(struct connman_network *network,
 548                                                         const char *group)
 549 {
 550         if (network->secondary == TRUE)
 551                 return;
 552
 553         switch (network->type) {
 554         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 555         case CONNMAN_NETWORK_TYPE_VENDOR:
 556                 return;
 557         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 558         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 559         case CONNMAN_NETWORK_TYPE_CELLULAR:
 560         case CONNMAN_NETWORK_TYPE_MBM:
 561         case CONNMAN_NETWORK_TYPE_HSO:
 562         case CONNMAN_NETWORK_TYPE_WIFI:
 563         case CONNMAN_NETWORK_TYPE_WIMAX:
 564                 break;
 565         }
 566
 567         if (g_strcmp0(network->group, group) == 0) {
 568                 if (group != NULL)
 569                         __connman_profile_update_network(network);
 570                 return;
 571         }
 572
 573         if (network->group != NULL) {
 574                 __connman_profile_remove_network(network);
 575
 576                 g_free(network->group);
 577         }
 578
 579         network->group = g_strdup(group);
 580
 581         if (network->group != NULL)
 582                 __connman_profile_add_network(network);
 583 }
 584
 585 /**
 586  * connman_network_get_group:
 587  * @network: network structure
 588  *
 589  * Get group name for automatic clustering
 590  */
 591 const char *connman_network_get_group(struct connman_network *network)
 592 {
 593         return network->group;
 594 }
 595
 596 const char *__connman_network_get_ident(struct connman_network *network)
 597 {
 598         if (network->device == NULL)
 599                 return NULL;
 600
 601         return __connman_device_get_ident(network->device);
 602 }
 603
 604 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 605 {
 606         if (network->secondary == TRUE)
 607                 return FALSE;
 608
 609         switch (network->type) {
 610         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 611         case CONNMAN_NETWORK_TYPE_VENDOR:
 612         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 613         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 614         case CONNMAN_NETWORK_TYPE_CELLULAR:
 615         case CONNMAN_NETWORK_TYPE_MBM:
 616         case CONNMAN_NETWORK_TYPE_HSO:
 617         case CONNMAN_NETWORK_TYPE_WIMAX:
 618                 break;
 619         case CONNMAN_NETWORK_TYPE_WIFI:
 620                 if (network->strength > 0 && network->strength < 20)
 621                         return TRUE;
 622                 break;
 623         }
 624
 625         return FALSE;
 626 }
 627
 628 /**
 629  * connman_network_set_available:
 630  * @network: network structure
 631  * @available: availability state
 632  *
 633  * Change availability state of network (in range)
 634  */
 635 int connman_network_set_available(struct connman_network *network,
 636                                                 connman_bool_t available)
 637 {
 638         DBG("network %p available %d", network, available);
 639
 640         if (network->available == available)
 641                 return -EALREADY;
 642
 643         network->available = available;
 644
 645         return 0;
 646 }
 647
 648 /**
 649  * connman_network_get_available:
 650  * @network: network structure
 651  *
 652  * Get network available setting
 653  */
 654 connman_bool_t connman_network_get_available(struct connman_network *network)
 655 {
 656         if (network->hidden == TRUE)
 657                 return TRUE;
 658
 659         return network->available;
 660 }
 661
 662 /**
 663  * connman_network_set_associating:
 664  * @network: network structure
 665  * @associating: associating state
 666  *
 667  * Change associating state of network
 668  */
 669 int connman_network_set_associating(struct connman_network *network,
 670                                                 connman_bool_t associating)
 671 {
 672         DBG("network %p associating %d", network, associating);
 673
 674         if (network->associating == associating)
 675                 return -EALREADY;
 676
 677         network->associating = associating;
 678
 679         if (associating == TRUE) {
 680                 struct connman_service *service;
 681
 682                 service = __connman_service_lookup_from_network(network);
 683                 __connman_service_indicate_state(service,
 684                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 685         }
 686
 687         return 0;
 688 }
 689
 690 static gboolean set_connected(gpointer user_data)
 691 {
 692         struct connman_network *network = user_data;
 693         struct connman_service *service;
 694
 695         service = __connman_service_lookup_from_network(network);
 696
 697         if (network->connected == TRUE) {
 698                 struct connman_element *element;
 699                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 700
 701                 switch (network->protocol) {
 702                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 703                         return 0;
 704                 case CONNMAN_NETWORK_PROTOCOL_IP:
 705                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 706                         break;
 707                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 708                         type = CONNMAN_ELEMENT_TYPE_PPP;
 709                         break;
 710                 }
 711
 712                 __connman_device_increase_connections(network->device);
 713
 714                 __connman_device_set_network(network->device, network);
 715
 716                 connman_device_set_disconnected(network->device, FALSE);
 717
 718                 element = connman_element_create(NULL);
 719                 if (element != NULL) {
 720                         element->type  = type;
 721                         element->index = network->element.index;
 722
 723                         if (connman_element_register(element,
 724                                                 &network->element) < 0)
 725                                 connman_element_unref(element);
 726
 727                         __connman_service_indicate_state(service,
 728                                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 729                 }
 730         } else {
 731                 connman_element_unregister_children(&network->element);
 732
 733                 __connman_device_set_network(network->device, NULL);
 734                 network->hidden = FALSE;
 735
 736                 __connman_device_decrease_connections(network->device);
 737
 738                 __connman_service_indicate_state(service,
 739                                                 CONNMAN_SERVICE_STATE_IDLE);
 740         }
 741
 742         network->connecting = FALSE;
 743
 744         connman_network_set_associating(network, FALSE);
 745
 746         return FALSE;
 747 }
 748
 749 /**
 750  * connman_network_set_connected:
 751  * @network: network structure
 752  * @connected: connected state
 753  *
 754  * Change connected state of network
 755  */
 756 int connman_network_set_connected(struct connman_network *network,
 757                                                 connman_bool_t connected)
 758 {
 759         DBusMessage *signal;
 760         DBusMessageIter entry, value;
 761         const char *key = "Connected";
 762
 763         DBG("network %p connected %d", network, connected);
 764
 765         if ((network->connecting == TRUE || network->associating == TRUE) &&
 766                                                         connected == FALSE) {
 767                 connman_element_set_error(&network->element,
 768                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 769                 __connman_network_disconnect(network);
 770         }
 771
 772         if (network->connected == connected)
 773                 return -EALREADY;
 774
 775         network->connected = connected;
 776
 777         if (network->registered == FALSE) {
 778                 g_idle_add(set_connected, network);
 779                 return 0;
 780         }
 781
 782         signal = dbus_message_new_signal(network->element.path,
 783                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 784         if (signal == NULL)
 785                 return 0;
 786
 787         dbus_message_iter_init_append(signal, &entry);
 788
 789         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 790
 791         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 792                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 793         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 794         dbus_message_iter_close_container(&entry, &value);
 795
 796         g_dbus_send_message(connection, signal);
 797
 798         set_connected(network);
 799
 800         return 0;
 801 }
 802
 803 /**
 804  * connman_network_get_connected:
 805  * @network: network structure
 806  *
 807  * Get network connection status
 808  */
 809 connman_bool_t connman_network_get_connected(struct connman_network *network)
 810 {
 811         return network->connected;
 812 }
 813
 814 /**
 815  * connman_network_get_associating:
 816  * @network: network structure
 817  *
 818  * Get network associating status
 819  */
 820 connman_bool_t connman_network_get_associating(struct connman_network *network)
 821 {
 822         return network->associating;
 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 -EISCONN;
 839
 840         if (network->connecting == TRUE || network->associating == TRUE)
 841                 return -EALREADY;
 842
 843         if (network->driver == NULL)
 844                 return -EUNATCH;
 845
 846         if (network->driver->connect == NULL)
 847                 return -ENOSYS;
 848
 849         __connman_device_disconnect(network->device);
 850
 851         network->connecting = TRUE;
 852
 853         err = network->driver->connect(network);
 854         if (err < 0) {
 855                 if (err == -EINPROGRESS)
 856                         connman_network_set_associating(network, TRUE);
 857                 else
 858                         network->hidden = FALSE;
 859
 860                 return err;
 861         }
 862
 863         network->connected = TRUE;
 864         set_connected(network);
 865
 866         return err;
 867 }
 868
 869 /**
 870  * __connman_network_disconnect:
 871  * @network: network structure
 872  *
 873  * Disconnect network
 874  */
 875 int __connman_network_disconnect(struct connman_network *network)
 876 {
 877         int err;
 878
 879         DBG("network %p", network);
 880
 881         if (network->connected == FALSE && network->connecting == FALSE &&
 882                                                 network->associating == FALSE)
 883                 return -ENOTCONN;
 884
 885         if (network->driver == NULL)
 886                 return -EUNATCH;
 887
 888         if (network->driver->disconnect == NULL)
 889                 return -ENOSYS;
 890
 891         network->connecting = FALSE;
 892
 893         err = network->driver->disconnect(network);
 894         if (err == 0) {
 895                 network->connected = FALSE;
 896                 set_connected(network);
 897         }
 898
 899         return err;
 900 }
 901
 902 /**
 903  * connman_network_set_address:
 904  * @network: network structure
 905  * @address: binary address value
 906  * @size: binary address length
 907  *
 908  * Set unique address value for network
 909  */
 910 int connman_network_set_address(struct connman_network *network,
 911                                 const void *address, unsigned int size)
 912 {
 913         const unsigned char *addr_octet = address;
 914         char *str;
 915
 916         DBG("network %p size %d", network, size);
 917
 918         if (size != 6)
 919                 return -EINVAL;
 920
 921         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 922                                 addr_octet[0], addr_octet[1], addr_octet[2],
 923                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 924         if (str == NULL)
 925                 return -ENOMEM;
 926
 927         g_free(network->address);
 928         network->address = str;
 929
 930         return connman_element_set_string(&network->element,
 931                                                 "Address", network->address);
 932 }
 933
 934 /**
 935  * connman_network_set_name:
 936  * @network: network structure
 937  * @name: name value
 938  *
 939  * Set display name value for network
 940  */
 941 int connman_network_set_name(struct connman_network *network,
 942                                                         const char *name)
 943 {
 944         DBG("network %p name %s", network, name);
 945
 946         g_free(network->name);
 947         network->name = g_strdup(name);
 948
 949         return connman_element_set_string(&network->element, "Name", name);
 950 }
 951
 952 /**
 953  * connman_network_set_strength:
 954  * @network: network structure
 955  * @strength: strength value
 956  *
 957  * Set signal strength value for network
 958  */
 959 int connman_network_set_strength(struct connman_network *network,
 960                                                 connman_uint8_t strength)
 961 {
 962         DBG("network %p strengh %d", network, strength);
 963
 964         network->strength = strength;
 965
 966         return connman_element_set_uint8(&network->element,
 967                                                 "Strength", strength);
 968 }
 969
 970 /**
 971  * connman_network_set_roaming:
 972  * @network: network structure
 973  * @roaming: roaming state
 974  *
 975  * Set roaming state for network
 976  */
 977 int connman_network_set_roaming(struct connman_network *network,
 978                                                 connman_bool_t roaming)
 979 {
 980         DBG("network %p roaming %d", network, roaming);
 981
 982         network->roaming = roaming;
 983
 984         return connman_element_set_bool(&network->element,
 985                                                 "Roaming", roaming);
 986 }
 987
 988 /**
 989  * connman_network_set_string:
 990  * @network: network structure
 991  * @key: unique identifier
 992  * @value: string value
 993  *
 994  * Set string value for specific key
 995  */
 996 int connman_network_set_string(struct connman_network *network,
 997                                         const char *key, const char *value)
 998 {
 999         DBG("network %p key %s value %s", network, key, value);
1000
1001         if (g_strcmp0(key, "Name") == 0)
1002                 return connman_network_set_name(network, value);
1003
1004         if (g_str_equal(key, "Address") == TRUE) {
1005                 g_free(network->address);
1006                 network->address = g_strdup(value);
1007         } else if (g_str_equal(key, "Node") == TRUE) {
1008                 g_free(network->node);
1009                 network->node = g_strdup(value);
1010         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1011                 g_free(network->wifi.mode);
1012                 network->wifi.mode = g_strdup(value);
1013         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1014                 g_free(network->wifi.security);
1015                 network->wifi.security = g_strdup(value);
1016         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1017                 g_free(network->wifi.passphrase);
1018                 network->wifi.passphrase = g_strdup(value);
1019         }
1020
1021         return connman_element_set_string(&network->element, key, value);
1022 }
1023
1024 /**
1025  * connman_network_get_string:
1026  * @network: network structure
1027  * @key: unique identifier
1028  *
1029  * Get string value for specific key
1030  */
1031 const char *connman_network_get_string(struct connman_network *network,
1032                                                         const char *key)
1033 {
1034         DBG("network %p key %s", network, key);
1035
1036         if (g_str_equal(key, "Address") == TRUE)
1037                 return network->address;
1038         else if (g_str_equal(key, "Name") == TRUE)
1039                 return network->name;
1040         else if (g_str_equal(key, "Node") == TRUE)
1041                 return network->node;
1042         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1043                 return network->wifi.mode;
1044         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1045                 return network->wifi.security;
1046         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1047                 return network->wifi.passphrase;
1048
1049         return connman_element_get_string(&network->element, key);
1050 }
1051
1052 /**
1053  * connman_network_set_bool:
1054  * @network: network structure
1055  * @key: unique identifier
1056  * @value: boolean value
1057  *
1058  * Set boolean value for specific key
1059  */
1060 int connman_network_set_bool(struct connman_network *network,
1061                                         const char *key, connman_bool_t value)
1062 {
1063         DBG("network %p key %s value %d", network, key, value);
1064
1065         if (g_strcmp0(key, "Roaming") == 0)
1066                 return connman_network_set_roaming(network, value);
1067
1068         return connman_element_set_bool(&network->element, key, value);
1069 }
1070
1071 /**
1072  * connman_network_get_bool:
1073  * @network: network structure
1074  * @key: unique identifier
1075  *
1076  * Get boolean value for specific key
1077  */
1078 connman_bool_t connman_network_get_bool(struct connman_network *network,
1079                                                         const char *key)
1080 {
1081         DBG("network %p key %s", network, key);
1082
1083         if (g_str_equal(key, "Roaming") == TRUE)
1084                 return network->roaming;
1085
1086         return connman_element_get_bool(&network->element, key);
1087 }
1088
1089 /**
1090  * connman_network_set_uint8:
1091  * @network: network structure
1092  * @key: unique identifier
1093  * @value: integer value
1094  *
1095  * Set integer value for specific key
1096  */
1097 int connman_network_set_uint8(struct connman_network *network,
1098                                         const char *key, connman_uint8_t value)
1099 {
1100         DBG("network %p key %s value %d", network, key, value);
1101
1102         if (g_strcmp0(key, "Strength") == 0)
1103                 return connman_network_set_strength(network, value);
1104
1105         return connman_element_set_uint8(&network->element, key, value);
1106 }
1107
1108 /**
1109  * connman_network_get_uint8:
1110  * @network: network structure
1111  * @key: unique identifier
1112  *
1113  * Get integer value for specific key
1114  */
1115 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1116                                                         const char *key)
1117 {
1118         DBG("network %p key %s", network, key);
1119
1120         if (g_str_equal(key, "Strength") == TRUE)
1121                 return network->strength;
1122
1123         return connman_element_get_uint8(&network->element, key);
1124 }
1125
1126 /**
1127  * connman_network_set_uint16:
1128  * @network: network structure
1129  * @key: unique identifier
1130  * @value: integer value
1131  *
1132  * Set integer value for specific key
1133  */
1134 int connman_network_set_uint16(struct connman_network *network,
1135                                 const char *key, connman_uint16_t value)
1136 {
1137         DBG("network %p key %s value %d", network, key, value);
1138
1139         if (g_str_equal(key, "Frequency") == TRUE)
1140                 network->frequency = value;
1141         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1142                 network->wifi.channel = value;
1143
1144         return -EINVAL;
1145 }
1146
1147 /**
1148  * connman_network_get_uint16:
1149  * @network: network structure
1150  * @key: unique identifier
1151  *
1152  * Get integer value for specific key
1153  */
1154 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1155                                                         const char *key)
1156 {
1157         DBG("network %p key %s", network, key);
1158
1159         if (g_str_equal(key, "Frequency") == TRUE)
1160                 return network->frequency;
1161         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1162                 return network->wifi.channel;
1163
1164         return 0;
1165 }
1166
1167 /**
1168  * connman_network_set_blob:
1169  * @network: network structure
1170  * @key: unique identifier
1171  * @data: blob data
1172  * @size: blob size
1173  *
1174  * Set binary blob value for specific key
1175  */
1176 int connman_network_set_blob(struct connman_network *network,
1177                         const char *key, const void *data, unsigned int size)
1178 {
1179         DBG("network %p key %s size %d", network, key, size);
1180
1181         if (g_strcmp0(key, "Address") == 0)
1182                 return connman_network_set_address(network, data, size);
1183
1184         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1185                 g_free(network->wifi.ssid);
1186                 network->wifi.ssid = g_try_malloc(size);
1187                 if (network->wifi.ssid != NULL) {
1188                         memcpy(network->wifi.ssid, data, size);
1189                         network->wifi.ssid_len = size;
1190                 } else
1191                         network->wifi.ssid_len = 0;
1192         }
1193
1194         return connman_element_set_blob(&network->element, key, data, size);
1195 }
1196
1197 /**
1198  * connman_network_get_blob:
1199  * @network: network structure
1200  * @key: unique identifier
1201  * @size: pointer to blob size
1202  *
1203  * Get binary blob value for specific key
1204  */
1205 const void *connman_network_get_blob(struct connman_network *network,
1206                                         const char *key, unsigned int *size)
1207 {
1208         DBG("network %p key %s", network, key);
1209
1210         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1211                 if (size != NULL)
1212                         *size = network->wifi.ssid_len;
1213                 return network->wifi.ssid;
1214         }
1215
1216         return connman_element_get_blob(&network->element, key, size);
1217 }
1218
1219 void __connman_network_set_device(struct connman_network *network,
1220                                         struct connman_device *device)
1221 {
1222         network->device = device;
1223 }
1224
1225 /**
1226  * connman_network_get_device:
1227  * @network: network structure
1228  *
1229  * Get parent device of network
1230  */
1231 struct connman_device *connman_network_get_device(struct connman_network *network)
1232 {
1233         return network->device;
1234 }
1235
1236 /**
1237  * connman_network_get_data:
1238  * @network: network structure
1239  *
1240  * Get private network data pointer
1241  */
1242 void *connman_network_get_data(struct connman_network *network)
1243 {
1244         return network->driver_data;
1245 }
1246
1247 /**
1248  * connman_network_set_data:
1249  * @network: network structure
1250  * @data: data pointer
1251  *
1252  * Set private network data pointer
1253  */
1254 void connman_network_set_data(struct connman_network *network, void *data)
1255 {
1256         network->driver_data = data;
1257 }
1258
1259 static gboolean match_driver(struct connman_network *network,
1260                                         struct connman_network_driver *driver)
1261 {
1262         if (network->type == driver->type ||
1263                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1264                 return TRUE;
1265
1266         return FALSE;
1267 }
1268
1269 static int network_probe(struct connman_element *element)
1270 {
1271         struct connman_network *network = element->network;
1272         GSList *list;
1273         int err;
1274
1275         DBG("element %p name %s", element, element->name);
1276
1277         if (network == NULL)
1278                 return -ENODEV;
1279
1280         for (list = driver_list; list; list = list->next) {
1281                 struct connman_network_driver *driver = list->data;
1282
1283                 if (match_driver(network, driver) == FALSE)
1284                         continue;
1285
1286                 DBG("driver %p name %s", driver, driver->name);
1287
1288                 if (driver->probe(network) == 0) {
1289                         network->driver = driver;
1290                         break;
1291                 }
1292         }
1293
1294         if (network->driver == NULL)
1295                 return -ENODEV;
1296
1297         err = register_interface(element);
1298         if (err < 0) {
1299                 if (network->driver->remove)
1300                         network->driver->remove(network);
1301                 return err;
1302         }
1303
1304         network->secondary = connman_device_get_secondary(network->device);
1305
1306         switch (network->type) {
1307         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1308         case CONNMAN_NETWORK_TYPE_VENDOR:
1309                 break;
1310         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1311         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1312         case CONNMAN_NETWORK_TYPE_CELLULAR:
1313         case CONNMAN_NETWORK_TYPE_MBM:
1314         case CONNMAN_NETWORK_TYPE_HSO:
1315         case CONNMAN_NETWORK_TYPE_WIFI:
1316         case CONNMAN_NETWORK_TYPE_WIMAX:
1317                 if (network->group != NULL && network->secondary == FALSE)
1318                         __connman_profile_add_network(network);
1319                 break;
1320         }
1321
1322         return 0;
1323 }
1324
1325 static void network_remove(struct connman_element *element)
1326 {
1327         struct connman_network *network = element->network;
1328
1329         DBG("element %p name %s", element, element->name);
1330
1331         if (network == NULL)
1332                 return;
1333
1334         if (network->driver == NULL)
1335                 return;
1336
1337         switch (network->type) {
1338         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1339         case CONNMAN_NETWORK_TYPE_VENDOR:
1340                 break;
1341         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1342         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1343         case CONNMAN_NETWORK_TYPE_CELLULAR:
1344         case CONNMAN_NETWORK_TYPE_MBM:
1345         case CONNMAN_NETWORK_TYPE_HSO:
1346         case CONNMAN_NETWORK_TYPE_WIFI:
1347         case CONNMAN_NETWORK_TYPE_WIMAX:
1348                 if (network->group != NULL && network->secondary == FALSE) {
1349                         __connman_profile_remove_network(network);
1350
1351                         g_free(network->group);
1352                         network->group = NULL;
1353                 }
1354                 break;
1355         }
1356
1357         unregister_interface(element);
1358
1359         if (network->driver->remove)
1360                 network->driver->remove(network);
1361 }
1362
1363 static void network_change(struct connman_element *element)
1364 {
1365         struct connman_network *network = element->network;
1366
1367         DBG("element %p name %s", element, element->name);
1368
1369         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1370                 return;
1371
1372         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1373                 return;
1374
1375         if (network->connected == FALSE)
1376                 return;
1377
1378         connman_element_unregister_children(element);
1379
1380         connman_device_set_disconnected(network->device, TRUE);
1381
1382         if (network->driver && network->driver->disconnect) {
1383                 network->driver->disconnect(network);
1384                 return;
1385         }
1386
1387         network->connected = FALSE;
1388 }
1389
1390 static struct connman_driver network_driver = {
1391         .name           = "network",
1392         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1393         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1394         .probe          = network_probe,
1395         .remove         = network_remove,
1396         .change         = network_change,
1397 };
1398
1399 int __connman_network_init(void)
1400 {
1401         DBG("");
1402
1403         connection = connman_dbus_get_connection();
1404
1405         return connman_driver_register(&network_driver);
1406 }
1407
1408 void __connman_network_cleanup(void)
1409 {
1410         DBG("");
1411
1412         connman_driver_unregister(&network_driver);
1413
1414         dbus_connection_unref(connection);
1415 }