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 available;
  40         connman_bool_t connected;
  41         connman_bool_t roaming;
  42         connman_bool_t hidden;
  43         connman_uint8_t strength;
  44         connman_uint16_t frequency;
  45         char *identifier;
  46         char *address;
  47         char *name;
  48         char *node;
  49         char *group;
  50         struct connman_ipconfig *ipconfig;
  51
  52         struct connman_network_driver *driver;
  53         void *driver_data;
  54
  55         connman_bool_t registered;
  56         connman_bool_t connecting;
  57         connman_bool_t associating;
  58
  59         struct connman_device *device;
  60
  61         struct {
  62                 void *ssid;
  63                 int ssid_len;
  64                 char *mode;
  65                 unsigned short channel;
  66                 char *security;
  67                 char *passphrase;
  68         } wifi;
  69 };
  70
  71 static const char *type2string(enum connman_network_type type)
  72 {
  73         switch (type) {
  74         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  75         case CONNMAN_NETWORK_TYPE_VENDOR:
  76                 break;
  77         case CONNMAN_NETWORK_TYPE_ETHERNET:
  78                 return "ethernet";
  79         case CONNMAN_NETWORK_TYPE_WIFI:
  80                 return "wifi";
  81         case CONNMAN_NETWORK_TYPE_WIMAX:
  82                 return "wimax";
  83         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  84         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  85                 return "bluetooth";
  86         case CONNMAN_NETWORK_TYPE_CELLULAR:
  87         case CONNMAN_NETWORK_TYPE_MBM:
  88         case CONNMAN_NETWORK_TYPE_HSO:
  89                 return "cellular";
  90         }
  91
  92         return NULL;
  93 }
  94
  95 static DBusMessage *get_properties(DBusConnection *conn,
  96                                         DBusMessage *msg, void *data)
  97 {
  98         struct connman_network *network = data;
  99         DBusMessage *reply;
 100         DBusMessageIter array, dict;
 101
 102         DBG("conn %p", conn);
 103
 104         if (__connman_security_check_privilege(msg,
 105                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 106                 return __connman_error_permission_denied(msg);
 107
 108         reply = dbus_message_new_method_return(msg);
 109         if (reply == NULL)
 110                 return NULL;
 111
 112         dbus_message_iter_init_append(reply, &array);
 113
 114         connman_dbus_dict_open(&array, &dict);
 115
 116         if (network->device) {
 117                 const char *path = connman_device_get_path(network->device);
 118                 if (path != NULL)
 119                         connman_dbus_dict_append_basic(&dict, "Device",
 120                                                 DBUS_TYPE_OBJECT_PATH, &path);
 121         }
 122
 123         if (network->address != NULL)
 124                 connman_dbus_dict_append_basic(&dict, "Address",
 125                                         DBUS_TYPE_STRING, &network->address);
 126
 127         if (network->name != NULL)
 128                 connman_dbus_dict_append_basic(&dict, "Name",
 129                                         DBUS_TYPE_STRING, &network->name);
 130
 131         connman_dbus_dict_append_basic(&dict, "Connected",
 132                                 DBUS_TYPE_BOOLEAN, &network->connected);
 133
 134         if (network->strength > 0)
 135                 connman_dbus_dict_append_basic(&dict, "Strength",
 136                                         DBUS_TYPE_BYTE, &network->strength);
 137
 138         if (network->frequency > 0)
 139                 connman_dbus_dict_append_basic(&dict, "Frequency",
 140                                         DBUS_TYPE_UINT16, &network->frequency);
 141
 142         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 143                 connman_dbus_dict_append_fixed_array(&dict, "WiFi.SSID",
 144                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 145                                                 network->wifi.ssid_len);
 146
 147         if (network->wifi.mode != NULL)
 148                 connman_dbus_dict_append_basic(&dict, "WiFi.Mode",
 149                                 DBUS_TYPE_STRING, &network->wifi.mode);
 150
 151         if (network->wifi.channel > 0)
 152                 connman_dbus_dict_append_basic(&dict, "WiFi.Channel",
 153                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 154
 155         if (network->wifi.security != NULL)
 156                 connman_dbus_dict_append_basic(&dict, "WiFi.Security",
 157                                 DBUS_TYPE_STRING, &network->wifi.security);
 158
 159         if (network->wifi.passphrase != NULL &&
 160                         __connman_security_check_privilege(msg,
 161                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 162                 connman_dbus_dict_append_basic(&dict, "WiFi.Passphrase",
 163                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 164
 165         connman_dbus_dict_close(&array, &dict);
 166
 167         return reply;
 168 }
 169
 170 static GDBusMethodTable network_methods[] = {
 171         { "GetProperties", "",   "a{sv}", get_properties },
 172         { },
 173 };
 174
 175 static GDBusSignalTable network_signals[] = {
 176         { "PropertyChanged", "sv" },
 177         { },
 178 };
 179
 180 static DBusConnection *connection;
 181
 182 static void append_networks(struct connman_device *device,
 183                                                 DBusMessageIter *entry)
 184 {
 185         DBusMessageIter value, iter;
 186         const char *key = "Networks";
 187
 188         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 189
 190         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 191                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 192                                                                 &value);
 193
 194         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 195                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 196         __connman_element_list((struct connman_element *) device,
 197                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 198         dbus_message_iter_close_container(&value, &iter);
 199
 200         dbus_message_iter_close_container(entry, &value);
 201 }
 202
 203 static void emit_networks_signal(struct connman_device *device)
 204 {
 205         const char *path = connman_device_get_path(device);
 206         DBusMessage *signal;
 207         DBusMessageIter entry;
 208
 209         signal = dbus_message_new_signal(path,
 210                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 211         if (signal == NULL)
 212                 return;
 213
 214         dbus_message_iter_init_append(signal, &entry);
 215
 216         append_networks(device, &entry);
 217
 218         g_dbus_send_message(connection, signal);
 219 }
 220
 221 static int register_interface(struct connman_element *element)
 222 {
 223         struct connman_network *network = element->network;
 224
 225         DBG("element %p name %s", element, element->name);
 226
 227         if (g_dbus_register_interface(connection, element->path,
 228                                         CONNMAN_NETWORK_INTERFACE,
 229                                         network_methods, network_signals,
 230                                         NULL, network, NULL) == FALSE) {
 231                 connman_error("Failed to register %s network", element->path);
 232                 return -EIO;
 233         }
 234
 235         network->registered = TRUE;
 236
 237         emit_networks_signal(network->device);
 238
 239         return 0;
 240 }
 241
 242 static void unregister_interface(struct connman_element *element)
 243 {
 244         struct connman_network * network = element->network;
 245
 246         DBG("element %p name %s", element, element->name);
 247
 248         network->registered = FALSE;
 249
 250         emit_networks_signal(network->device);
 251
 252         g_dbus_unregister_interface(connection, element->path,
 253                                                 CONNMAN_NETWORK_INTERFACE);
 254 }
 255
 256 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 257 {
 258         if (network == NULL || network->driver == NULL)
 259                 return FALSE;
 260
 261         return network->registered;
 262 }
 263
 264 static GSList *driver_list = NULL;
 265
 266 static gint compare_priority(gconstpointer a, gconstpointer b)
 267 {
 268         const struct connman_network_driver *driver1 = a;
 269         const struct connman_network_driver *driver2 = b;
 270
 271         return driver2->priority - driver1->priority;
 272 }
 273
 274 /**
 275  * connman_network_driver_register:
 276  * @driver: network driver definition
 277  *
 278  * Register a new network driver
 279  *
 280  * Returns: %0 on success
 281  */
 282 int connman_network_driver_register(struct connman_network_driver *driver)
 283 {
 284         DBG("driver %p name %s", driver, driver->name);
 285
 286         driver_list = g_slist_insert_sorted(driver_list, driver,
 287                                                         compare_priority);
 288
 289         return 0;
 290 }
 291
 292 /**
 293  * connman_network_driver_unregister:
 294  * @driver: network driver definition
 295  *
 296  * Remove a previously registered network driver
 297  */
 298 void connman_network_driver_unregister(struct connman_network_driver *driver)
 299 {
 300         DBG("driver %p name %s", driver, driver->name);
 301
 302         driver_list = g_slist_remove(driver_list, driver);
 303 }
 304
 305 static void network_destruct(struct connman_element *element)
 306 {
 307         struct connman_network *network = element->network;
 308
 309         DBG("element %p name %s", element, element->name);
 310
 311         g_free(network->wifi.ssid);
 312         g_free(network->wifi.mode);
 313         g_free(network->wifi.security);
 314         g_free(network->wifi.passphrase);
 315
 316         g_free(network->group);
 317         g_free(network->node);
 318         g_free(network->name);
 319         g_free(network->address);
 320         g_free(network->identifier);
 321
 322         if (network->ipconfig) {
 323                 connman_ipconfig_unref(network->ipconfig);
 324                 network->ipconfig = NULL;
 325         }
 326 }
 327
 328 /**
 329  * connman_network_create:
 330  * @identifier: network identifier (for example an unqiue name)
 331  *
 332  * Allocate a new network and assign the #identifier to it.
 333  *
 334  * Returns: a newly-allocated #connman_network structure
 335  */
 336 struct connman_network *connman_network_create(const char *identifier,
 337                                                 enum connman_network_type type)
 338 {
 339         struct connman_network *network;
 340         connman_uint8_t strength = 0;
 341         const char *str;
 342         char *temp;
 343
 344         DBG("identifier %s type %d", identifier, type);
 345
 346         network = g_try_new0(struct connman_network, 1);
 347         if (network == NULL)
 348                 return NULL;
 349
 350         DBG("network %p", network);
 351
 352         __connman_element_initialize(&network->element);
 353
 354         //temp = connman_dbus_encode_string(identifier);
 355         if (identifier == NULL) {
 356                 temp = g_strdup_printf("hidden_%d", hidden_counter++);
 357                 network->hidden = TRUE;
 358         } else
 359                 temp = g_strdup(identifier);
 360
 361         if (temp == NULL) {
 362                 g_free(network);
 363                 return NULL;
 364         }
 365
 366         network->element.name = temp;
 367         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 368
 369         network->element.network = network;
 370         network->element.destruct = network_destruct;
 371
 372         str = type2string(type);
 373         if (str != NULL)
 374                 connman_element_set_string(&network->element, "Type", str);
 375
 376         connman_element_set_uint8(&network->element, "Strength", strength);
 377
 378         network->type       = type;
 379         network->identifier = g_strdup(temp);
 380
 381         return network;
 382 }
 383
 384 /**
 385  * connman_network_ref:
 386  * @network: network structure
 387  *
 388  * Increase reference counter of  network
 389  */
 390 struct connman_network *connman_network_ref(struct connman_network *network)
 391 {
 392         if (connman_element_ref(&network->element) == NULL)
 393                 return NULL;
 394
 395         return network;
 396 }
 397
 398 /**
 399  * connman_network_unref:
 400  * @network: network structure
 401  *
 402  * Decrease reference counter of network
 403  */
 404 void connman_network_unref(struct connman_network *network)
 405 {
 406         connman_element_unref(&network->element);
 407 }
 408
 409 const char *__connman_network_get_type(struct connman_network *network)
 410 {
 411         return type2string(network->type);
 412 }
 413
 414 /**
 415  * connman_network_get_type:
 416  * @network: network structure
 417  *
 418  * Get type of network
 419  */
 420 enum connman_network_type connman_network_get_type(struct connman_network *network)
 421 {
 422         return network->type;
 423 }
 424
 425 /**
 426  * connman_network_get_identifier:
 427  * @network: network structure
 428  *
 429  * Get identifier of network
 430  */
 431 const char *connman_network_get_identifier(struct connman_network *network)
 432 {
 433         return network->identifier;
 434 }
 435
 436 /**
 437  * connman_network_get_path:
 438  * @network: network structure
 439  *
 440  * Get path name of network
 441  */
 442 const char *connman_network_get_path(struct connman_network *network)
 443 {
 444         return network->element.path;
 445 }
 446
 447 /**
 448  * connman_network_set_index:
 449  * @network: network structure
 450  * @index: index number
 451  *
 452  * Set index number of network
 453  */
 454 void connman_network_set_index(struct connman_network *network, int index)
 455 {
 456         network->element.index = index;
 457 }
 458
 459 /**
 460  * connman_network_get_index:
 461  * @network: network structure
 462  *
 463  * Get index number of network
 464  */
 465 int connman_network_get_index(struct connman_network *network)
 466 {
 467         return network->element.index;
 468 }
 469
 470 /**
 471  * connman_network_get_element:
 472  * @network: network structure
 473  *
 474  * Get connman_element of network
 475  */
 476 struct connman_element *connman_network_get_element(
 477                                 struct connman_network *network)
 478 {
 479         return &network->element;
 480 }
 481
 482 /**
 483  * connman_network_set_protocol:
 484  * @network: network structure
 485  * @protocol: network protocol
 486  *
 487  * Change protocol of network
 488  */
 489 void connman_network_set_protocol(struct connman_network *network,
 490                                         enum connman_network_protocol protocol)
 491 {
 492         network->protocol = protocol;
 493 }
 494
 495 /**
 496  * connman_network_set_group:
 497  * @network: network structure
 498  * @group: group name
 499  *
 500  * Set group name for automatic clustering
 501  */
 502 void connman_network_set_group(struct connman_network *network,
 503                                                         const char *group)
 504 {
 505         switch (network->type) {
 506         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 507         case CONNMAN_NETWORK_TYPE_VENDOR:
 508                 return;
 509         case CONNMAN_NETWORK_TYPE_ETHERNET:
 510         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 511         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 512         case CONNMAN_NETWORK_TYPE_CELLULAR:
 513         case CONNMAN_NETWORK_TYPE_MBM:
 514         case CONNMAN_NETWORK_TYPE_HSO:
 515         case CONNMAN_NETWORK_TYPE_WIFI:
 516         case CONNMAN_NETWORK_TYPE_WIMAX:
 517                 break;
 518         }
 519
 520         if (g_strcmp0(network->group, group) == 0) {
 521                 if (group != NULL)
 522                         __connman_profile_update_network(network);
 523                 return;
 524         }
 525
 526         if (network->group != NULL) {
 527                 __connman_profile_remove_network(network);
 528
 529                 g_free(network->group);
 530         }
 531
 532         network->group = g_strdup(group);
 533
 534         if (network->group != NULL)
 535                 __connman_profile_add_network(network);
 536 }
 537
 538 /**
 539  * connman_network_get_group:
 540  * @network: network structure
 541  *
 542  * Get group name for automatic clustering
 543  */
 544 const char *connman_network_get_group(struct connman_network *network)
 545 {
 546         return network->group;
 547 }
 548
 549 const char *__connman_network_get_ident(struct connman_network *network)
 550 {
 551         if (network->device == NULL)
 552                 return NULL;
 553
 554         return __connman_device_get_ident(network->device);
 555 }
 556
 557 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 558 {
 559         switch (network->type) {
 560         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 561         case CONNMAN_NETWORK_TYPE_VENDOR:
 562         case CONNMAN_NETWORK_TYPE_ETHERNET:
 563         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 564         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 565         case CONNMAN_NETWORK_TYPE_CELLULAR:
 566         case CONNMAN_NETWORK_TYPE_MBM:
 567         case CONNMAN_NETWORK_TYPE_HSO:
 568         case CONNMAN_NETWORK_TYPE_WIMAX:
 569                 break;
 570         case CONNMAN_NETWORK_TYPE_WIFI:
 571                 if (g_strcmp0(network->wifi.mode, "adhoc") == 0)
 572                         return TRUE;
 573                 if (network->strength > 0 && network->strength < 20)
 574                         return TRUE;
 575                 break;
 576         }
 577
 578         return FALSE;
 579 }
 580
 581 connman_bool_t __connman_network_get_connecting(struct connman_network *network)
 582 {
 583         return network->connecting;
 584 }
 585
 586 /**
 587  * connman_network_set_available:
 588  * @network: network structure
 589  * @available: availability state
 590  *
 591  * Change availability state of network (in range)
 592  */
 593 int connman_network_set_available(struct connman_network *network,
 594                                                 connman_bool_t available)
 595 {
 596         DBG("network %p available %d", network, available);
 597
 598         if (network->available == available)
 599                 return -EALREADY;
 600
 601         network->available = available;
 602
 603         return 0;
 604 }
 605
 606 /**
 607  * connman_network_get_available:
 608  * @network: network structure
 609  *
 610  * Get network available setting
 611  */
 612 connman_bool_t connman_network_get_available(struct connman_network *network)
 613 {
 614         if (network->hidden == TRUE)
 615                 return TRUE;
 616
 617         return network->available;
 618 }
 619
 620 /**
 621  * connman_network_set_associating:
 622  * @network: network structure
 623  * @associating: associating state
 624  *
 625  * Change associating state of network
 626  */
 627 int connman_network_set_associating(struct connman_network *network,
 628                                                 connman_bool_t associating)
 629 {
 630         DBG("network %p associating %d", network, associating);
 631
 632         if (network->associating == associating)
 633                 return -EALREADY;
 634
 635         network->associating = associating;
 636
 637         if (associating == TRUE) {
 638                 struct connman_service *service;
 639
 640                 service = __connman_service_lookup_from_network(network);
 641                 __connman_service_indicate_state(service,
 642                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 643         }
 644
 645         return 0;
 646 }
 647
 648 static void set_associate_error(struct connman_network *network)
 649 {
 650         struct connman_service *service;
 651
 652         if (network->associating == FALSE)
 653                 return ;
 654
 655         network->associating = FALSE;
 656
 657         service = __connman_service_lookup_from_network(network);
 658
 659         __connman_service_indicate_state(service,
 660                                         CONNMAN_SERVICE_STATE_FAILURE);
 661 }
 662
 663 void connman_network_set_error(struct connman_network *network,
 664                                         enum connman_network_error error)
 665 {
 666         DBG("nework %p, error %d", network, error);
 667
 668         network->connecting = FALSE;
 669         network->associating = FALSE;
 670
 671         switch (error) {
 672         case CONNMAN_NETWORK_ERROR_UNKNOWN:
 673                 return;
 674         case CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL:
 675                 set_associate_error(network);
 676                 break;
 677         }
 678 }
 679
 680 static gboolean set_connected(gpointer user_data)
 681 {
 682         struct connman_network *network = user_data;
 683         struct connman_service *service;
 684
 685         service = __connman_service_lookup_from_network(network);
 686
 687         if (network->connected == TRUE) {
 688                 struct connman_element *element;
 689                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 690
 691                 switch (network->protocol) {
 692                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 693                         return 0;
 694                 case CONNMAN_NETWORK_PROTOCOL_IP:
 695                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 696                         break;
 697                 }
 698
 699                 __connman_device_increase_connections(network->device);
 700
 701                 __connman_device_set_network(network->device, network);
 702
 703                 connman_device_set_disconnected(network->device, FALSE);
 704
 705                 if (network->element.ipv4.method ==
 706                                         CONNMAN_IPCONFIG_METHOD_STATIC) {
 707
 708                         network->connecting = FALSE;
 709
 710                         connman_network_set_associating(network, FALSE);
 711
 712                         __connman_service_indicate_state(service,
 713                                                 CONNMAN_SERVICE_STATE_READY);
 714
 715                         return TRUE;
 716                 }
 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         DBG("network %p connected %d", network, connected);
 760
 761         if ((network->connecting == TRUE || network->associating == TRUE) &&
 762                                                         connected == FALSE) {
 763                 connman_element_set_error(&network->element,
 764                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 765                 __connman_network_disconnect(network);
 766         }
 767
 768         if (network->connected == connected)
 769                 return -EALREADY;
 770
 771         network->connected = connected;
 772
 773         if (network->registered == FALSE) {
 774                 g_idle_add(set_connected, network);
 775                 return 0;
 776         }
 777
 778         connman_dbus_property_changed_basic(network->element.path,
 779                                 CONNMAN_NETWORK_INTERFACE, "Connected",
 780                                                 DBUS_TYPE_BOOLEAN, &connected);
 781
 782         set_connected(network);
 783
 784         return 0;
 785 }
 786
 787 /**
 788  * connman_network_get_connected:
 789  * @network: network structure
 790  *
 791  * Get network connection status
 792  */
 793 connman_bool_t connman_network_get_connected(struct connman_network *network)
 794 {
 795         return network->connected;
 796 }
 797
 798 /**
 799  * connman_network_get_associating:
 800  * @network: network structure
 801  *
 802  * Get network associating status
 803  */
 804 connman_bool_t connman_network_get_associating(struct connman_network *network)
 805 {
 806         return network->associating;
 807 }
 808
 809 /**
 810  * __connman_network_connect:
 811  * @network: network structure
 812  *
 813  * Connect network
 814  */
 815 int __connman_network_connect(struct connman_network *network)
 816 {
 817         int err;
 818
 819         DBG("network %p", network);
 820
 821         if (network->connected == TRUE)
 822                 return -EISCONN;
 823
 824         if (network->connecting == TRUE || network->associating == TRUE)
 825                 return -EALREADY;
 826
 827         if (network->driver == NULL)
 828                 return -EUNATCH;
 829
 830         if (network->driver->connect == NULL)
 831                 return -ENOSYS;
 832
 833         __connman_device_disconnect(network->device);
 834
 835         network->connecting = TRUE;
 836
 837         err = network->driver->connect(network);
 838         if (err < 0) {
 839                 if (err == -EINPROGRESS)
 840                         connman_network_set_associating(network, TRUE);
 841                 else
 842                         network->hidden = FALSE;
 843
 844                 return err;
 845         }
 846
 847         network->connected = TRUE;
 848         set_connected(network);
 849
 850         return err;
 851 }
 852
 853 /**
 854  * __connman_network_disconnect:
 855  * @network: network structure
 856  *
 857  * Disconnect network
 858  */
 859 int __connman_network_disconnect(struct connman_network *network)
 860 {
 861         int err;
 862
 863         DBG("network %p", network);
 864
 865         if (network->connected == FALSE && network->connecting == FALSE &&
 866                                                 network->associating == FALSE)
 867                 return -ENOTCONN;
 868
 869         if (network->driver == NULL)
 870                 return -EUNATCH;
 871
 872         if (network->driver->disconnect == NULL)
 873                 return -ENOSYS;
 874
 875         network->connecting = FALSE;
 876
 877         err = network->driver->disconnect(network);
 878         if (err == 0) {
 879                 network->connected = FALSE;
 880                 set_connected(network);
 881         }
 882
 883         return err;
 884 }
 885
 886 /**
 887  * connman_network_set_address:
 888  * @network: network structure
 889  * @address: binary address value
 890  * @size: binary address length
 891  *
 892  * Set unique address value for network
 893  */
 894 int connman_network_set_address(struct connman_network *network,
 895                                 const void *address, unsigned int size)
 896 {
 897         const unsigned char *addr_octet = address;
 898         char *str;
 899
 900         DBG("network %p size %d", network, size);
 901
 902         if (size != 6)
 903                 return -EINVAL;
 904
 905         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 906                                 addr_octet[0], addr_octet[1], addr_octet[2],
 907                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 908         if (str == NULL)
 909                 return -ENOMEM;
 910
 911         g_free(network->address);
 912         network->address = str;
 913
 914         return connman_element_set_string(&network->element,
 915                                                 "Address", network->address);
 916 }
 917
 918 /**
 919  * connman_network_set_name:
 920  * @network: network structure
 921  * @name: name value
 922  *
 923  * Set display name value for network
 924  */
 925 int connman_network_set_name(struct connman_network *network,
 926                                                         const char *name)
 927 {
 928         DBG("network %p name %s", network, name);
 929
 930         g_free(network->name);
 931         network->name = g_strdup(name);
 932
 933         return connman_element_set_string(&network->element, "Name", name);
 934 }
 935
 936 /**
 937  * connman_network_set_strength:
 938  * @network: network structure
 939  * @strength: strength value
 940  *
 941  * Set signal strength value for network
 942  */
 943 int connman_network_set_strength(struct connman_network *network,
 944                                                 connman_uint8_t strength)
 945 {
 946         DBG("network %p strengh %d", network, strength);
 947
 948         network->strength = strength;
 949
 950         return connman_element_set_uint8(&network->element,
 951                                                 "Strength", strength);
 952 }
 953
 954 /**
 955  * connman_network_set_roaming:
 956  * @network: network structure
 957  * @roaming: roaming state
 958  *
 959  * Set roaming state for network
 960  */
 961 int connman_network_set_roaming(struct connman_network *network,
 962                                                 connman_bool_t roaming)
 963 {
 964         DBG("network %p roaming %d", network, roaming);
 965
 966         network->roaming = roaming;
 967
 968         return connman_element_set_bool(&network->element,
 969                                                 "Roaming", roaming);
 970 }
 971
 972 /**
 973  * connman_network_set_string:
 974  * @network: network structure
 975  * @key: unique identifier
 976  * @value: string value
 977  *
 978  * Set string value for specific key
 979  */
 980 int connman_network_set_string(struct connman_network *network,
 981                                         const char *key, const char *value)
 982 {
 983         DBG("network %p key %s value %s", network, key, value);
 984
 985         if (g_strcmp0(key, "Name") == 0)
 986                 return connman_network_set_name(network, value);
 987
 988         if (g_str_equal(key, "Address") == TRUE) {
 989                 g_free(network->address);
 990                 network->address = g_strdup(value);
 991         } else if (g_str_equal(key, "Node") == TRUE) {
 992                 g_free(network->node);
 993                 network->node = g_strdup(value);
 994         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 995                 g_free(network->wifi.mode);
 996                 network->wifi.mode = g_strdup(value);
 997         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 998                 g_free(network->wifi.security);
 999                 network->wifi.security = g_strdup(value);
1000         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1001                 g_free(network->wifi.passphrase);
1002                 network->wifi.passphrase = g_strdup(value);
1003         }
1004
1005         return connman_element_set_string(&network->element, key, value);
1006 }
1007
1008 /**
1009  * connman_network_get_string:
1010  * @network: network structure
1011  * @key: unique identifier
1012  *
1013  * Get string value for specific key
1014  */
1015 const char *connman_network_get_string(struct connman_network *network,
1016                                                         const char *key)
1017 {
1018         DBG("network %p key %s", network, key);
1019
1020         if (g_str_equal(key, "Address") == TRUE)
1021                 return network->address;
1022         else if (g_str_equal(key, "Name") == TRUE)
1023                 return network->name;
1024         else if (g_str_equal(key, "Node") == TRUE)
1025                 return network->node;
1026         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1027                 return network->wifi.mode;
1028         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1029                 return network->wifi.security;
1030         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1031                 return network->wifi.passphrase;
1032
1033         return connman_element_get_string(&network->element, key);
1034 }
1035
1036 /**
1037  * connman_network_set_bool:
1038  * @network: network structure
1039  * @key: unique identifier
1040  * @value: boolean value
1041  *
1042  * Set boolean value for specific key
1043  */
1044 int connman_network_set_bool(struct connman_network *network,
1045                                         const char *key, connman_bool_t value)
1046 {
1047         DBG("network %p key %s value %d", network, key, value);
1048
1049         if (g_strcmp0(key, "Roaming") == 0)
1050                 return connman_network_set_roaming(network, value);
1051
1052         return connman_element_set_bool(&network->element, key, value);
1053 }
1054
1055 /**
1056  * connman_network_get_bool:
1057  * @network: network structure
1058  * @key: unique identifier
1059  *
1060  * Get boolean value for specific key
1061  */
1062 connman_bool_t connman_network_get_bool(struct connman_network *network,
1063                                                         const char *key)
1064 {
1065         DBG("network %p key %s", network, key);
1066
1067         if (g_str_equal(key, "Roaming") == TRUE)
1068                 return network->roaming;
1069
1070         return connman_element_get_bool(&network->element, key);
1071 }
1072
1073 /**
1074  * connman_network_set_uint8:
1075  * @network: network structure
1076  * @key: unique identifier
1077  * @value: integer value
1078  *
1079  * Set integer value for specific key
1080  */
1081 int connman_network_set_uint8(struct connman_network *network,
1082                                         const char *key, connman_uint8_t value)
1083 {
1084         DBG("network %p key %s value %d", network, key, value);
1085
1086         if (g_strcmp0(key, "Strength") == 0)
1087                 return connman_network_set_strength(network, value);
1088
1089         return connman_element_set_uint8(&network->element, key, value);
1090 }
1091
1092 /**
1093  * connman_network_get_uint8:
1094  * @network: network structure
1095  * @key: unique identifier
1096  *
1097  * Get integer value for specific key
1098  */
1099 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1100                                                         const char *key)
1101 {
1102         DBG("network %p key %s", network, key);
1103
1104         if (g_str_equal(key, "Strength") == TRUE)
1105                 return network->strength;
1106
1107         return connman_element_get_uint8(&network->element, key);
1108 }
1109
1110 /**
1111  * connman_network_set_uint16:
1112  * @network: network structure
1113  * @key: unique identifier
1114  * @value: integer value
1115  *
1116  * Set integer value for specific key
1117  */
1118 int connman_network_set_uint16(struct connman_network *network,
1119                                 const char *key, connman_uint16_t value)
1120 {
1121         DBG("network %p key %s value %d", network, key, value);
1122
1123         if (g_str_equal(key, "Frequency") == TRUE)
1124                 network->frequency = value;
1125         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1126                 network->wifi.channel = value;
1127
1128         return -EINVAL;
1129 }
1130
1131 /**
1132  * connman_network_get_uint16:
1133  * @network: network structure
1134  * @key: unique identifier
1135  *
1136  * Get integer value for specific key
1137  */
1138 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1139                                                         const char *key)
1140 {
1141         DBG("network %p key %s", network, key);
1142
1143         if (g_str_equal(key, "Frequency") == TRUE)
1144                 return network->frequency;
1145         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1146                 return network->wifi.channel;
1147
1148         return 0;
1149 }
1150
1151 /**
1152  * connman_network_set_blob:
1153  * @network: network structure
1154  * @key: unique identifier
1155  * @data: blob data
1156  * @size: blob size
1157  *
1158  * Set binary blob value for specific key
1159  */
1160 int connman_network_set_blob(struct connman_network *network,
1161                         const char *key, const void *data, unsigned int size)
1162 {
1163         DBG("network %p key %s size %d", network, key, size);
1164
1165         if (g_strcmp0(key, "Address") == 0)
1166                 return connman_network_set_address(network, data, size);
1167
1168         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1169                 g_free(network->wifi.ssid);
1170                 network->wifi.ssid = g_try_malloc(size);
1171                 if (network->wifi.ssid != NULL) {
1172                         memcpy(network->wifi.ssid, data, size);
1173                         network->wifi.ssid_len = size;
1174                 } else
1175                         network->wifi.ssid_len = 0;
1176         }
1177
1178         return connman_element_set_blob(&network->element, key, data, size);
1179 }
1180
1181 /**
1182  * connman_network_get_blob:
1183  * @network: network structure
1184  * @key: unique identifier
1185  * @size: pointer to blob size
1186  *
1187  * Get binary blob value for specific key
1188  */
1189 const void *connman_network_get_blob(struct connman_network *network,
1190                                         const char *key, unsigned int *size)
1191 {
1192         DBG("network %p key %s", network, key);
1193
1194         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1195                 if (size != NULL)
1196                         *size = network->wifi.ssid_len;
1197                 return network->wifi.ssid;
1198         }
1199
1200         return connman_element_get_blob(&network->element, key, size);
1201 }
1202
1203 void __connman_network_set_device(struct connman_network *network,
1204                                         struct connman_device *device)
1205 {
1206         network->device = device;
1207 }
1208
1209 /**
1210  * connman_network_get_device:
1211  * @network: network structure
1212  *
1213  * Get parent device of network
1214  */
1215 struct connman_device *connman_network_get_device(struct connman_network *network)
1216 {
1217         return network->device;
1218 }
1219
1220 /**
1221  * connman_network_get_data:
1222  * @network: network structure
1223  *
1224  * Get private network data pointer
1225  */
1226 void *connman_network_get_data(struct connman_network *network)
1227 {
1228         return network->driver_data;
1229 }
1230
1231 /**
1232  * connman_network_set_data:
1233  * @network: network structure
1234  * @data: data pointer
1235  *
1236  * Set private network data pointer
1237  */
1238 void connman_network_set_data(struct connman_network *network, void *data)
1239 {
1240         network->driver_data = data;
1241 }
1242
1243 static gboolean match_driver(struct connman_network *network,
1244                                         struct connman_network_driver *driver)
1245 {
1246         if (network->type == driver->type ||
1247                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1248                 return TRUE;
1249
1250         return FALSE;
1251 }
1252
1253 static int network_probe(struct connman_element *element)
1254 {
1255         struct connman_network *network = element->network;
1256         GSList *list;
1257         int err;
1258
1259         DBG("element %p name %s", element, element->name);
1260
1261         if (network == NULL)
1262                 return -ENODEV;
1263
1264         for (list = driver_list; list; list = list->next) {
1265                 struct connman_network_driver *driver = list->data;
1266
1267                 if (match_driver(network, driver) == FALSE)
1268                         continue;
1269
1270                 DBG("driver %p name %s", driver, driver->name);
1271
1272                 if (driver->probe(network) == 0) {
1273                         network->driver = driver;
1274                         break;
1275                 }
1276         }
1277
1278         if (network->driver == NULL)
1279                 return -ENODEV;
1280
1281         err = register_interface(element);
1282         if (err < 0) {
1283                 if (network->driver->remove)
1284                         network->driver->remove(network);
1285                 return err;
1286         }
1287
1288         switch (network->type) {
1289         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1290         case CONNMAN_NETWORK_TYPE_VENDOR:
1291                 break;
1292         case CONNMAN_NETWORK_TYPE_ETHERNET:
1293         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1294         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1295         case CONNMAN_NETWORK_TYPE_CELLULAR:
1296         case CONNMAN_NETWORK_TYPE_MBM:
1297         case CONNMAN_NETWORK_TYPE_HSO:
1298         case CONNMAN_NETWORK_TYPE_WIFI:
1299         case CONNMAN_NETWORK_TYPE_WIMAX:
1300                 if (network->group != NULL)
1301                         __connman_profile_add_network(network);
1302                 break;
1303         }
1304
1305         return 0;
1306 }
1307
1308 static void network_remove(struct connman_element *element)
1309 {
1310         struct connman_network *network = element->network;
1311
1312         DBG("element %p name %s", element, element->name);
1313
1314         if (network == NULL)
1315                 return;
1316
1317         if (network->driver == NULL)
1318                 return;
1319
1320         switch (network->type) {
1321         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1322         case CONNMAN_NETWORK_TYPE_VENDOR:
1323                 break;
1324         case CONNMAN_NETWORK_TYPE_ETHERNET:
1325         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1326         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1327         case CONNMAN_NETWORK_TYPE_CELLULAR:
1328         case CONNMAN_NETWORK_TYPE_MBM:
1329         case CONNMAN_NETWORK_TYPE_HSO:
1330         case CONNMAN_NETWORK_TYPE_WIFI:
1331         case CONNMAN_NETWORK_TYPE_WIMAX:
1332                 if (network->group != NULL) {
1333                         __connman_profile_remove_network(network);
1334
1335                         g_free(network->group);
1336                         network->group = NULL;
1337                 }
1338                 break;
1339         }
1340
1341         unregister_interface(element);
1342
1343         if (network->driver->remove)
1344                 network->driver->remove(network);
1345 }
1346
1347 static void network_change(struct connman_element *element)
1348 {
1349         struct connman_network *network = element->network;
1350
1351         DBG("element %p name %s", element, element->name);
1352
1353         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1354                 return;
1355
1356         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1357                 return;
1358
1359         if (network->connected == FALSE)
1360                 return;
1361
1362         connman_element_unregister_children(element);
1363
1364         connman_device_set_disconnected(network->device, TRUE);
1365
1366         if (network->driver && network->driver->disconnect) {
1367                 network->driver->disconnect(network);
1368                 return;
1369         }
1370
1371         network->connected = FALSE;
1372 }
1373
1374 static struct connman_driver network_driver = {
1375         .name           = "network",
1376         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1377         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1378         .probe          = network_probe,
1379         .remove         = network_remove,
1380         .change         = network_change,
1381 };
1382
1383 int __connman_network_init(void)
1384 {
1385         DBG("");
1386
1387         connection = connman_dbus_get_connection();
1388
1389         return connman_driver_register(&network_driver);
1390 }
1391
1392 void __connman_network_cleanup(void)
1393 {
1394         DBG("");
1395
1396         connman_driver_unregister(&network_driver);
1397
1398         dbus_connection_unref(connection);
1399 }