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                 char *eap;
  69                 char *identity;
  70                 char *ca_cert_path;
  71                 char *client_cert_path;
  72                 char *private_key_path;
  73                 char *private_key_passphrase;
  74                 char *phase2_auth;
  75         } wifi;
  76 };
  77
  78 static const char *type2string(enum connman_network_type type)
  79 {
  80         switch (type) {
  81         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  82         case CONNMAN_NETWORK_TYPE_VENDOR:
  83                 break;
  84         case CONNMAN_NETWORK_TYPE_ETHERNET:
  85                 return "ethernet";
  86         case CONNMAN_NETWORK_TYPE_WIFI:
  87                 return "wifi";
  88         case CONNMAN_NETWORK_TYPE_WIMAX:
  89                 return "wimax";
  90         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  91         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  92                 return "bluetooth";
  93         case CONNMAN_NETWORK_TYPE_CELLULAR:
  94         case CONNMAN_NETWORK_TYPE_MBM:
  95         case CONNMAN_NETWORK_TYPE_HSO:
  96                 return "cellular";
  97         }
  98
  99         return NULL;
 100 }
 101
 102 static DBusMessage *get_properties(DBusConnection *conn,
 103                                         DBusMessage *msg, void *data)
 104 {
 105         struct connman_network *network = data;
 106         DBusMessage *reply;
 107         DBusMessageIter array, dict;
 108
 109         DBG("conn %p", conn);
 110
 111         if (__connman_security_check_privilege(msg,
 112                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
 113                 return __connman_error_permission_denied(msg);
 114
 115         reply = dbus_message_new_method_return(msg);
 116         if (reply == NULL)
 117                 return NULL;
 118
 119         dbus_message_iter_init_append(reply, &array);
 120
 121         connman_dbus_dict_open(&array, &dict);
 122
 123         if (network->device) {
 124                 const char *path = connman_device_get_path(network->device);
 125                 if (path != NULL)
 126                         connman_dbus_dict_append_basic(&dict, "Device",
 127                                                 DBUS_TYPE_OBJECT_PATH, &path);
 128         }
 129
 130         if (network->address != NULL)
 131                 connman_dbus_dict_append_basic(&dict, "Address",
 132                                         DBUS_TYPE_STRING, &network->address);
 133
 134         if (network->name != NULL)
 135                 connman_dbus_dict_append_basic(&dict, "Name",
 136                                         DBUS_TYPE_STRING, &network->name);
 137
 138         connman_dbus_dict_append_basic(&dict, "Connected",
 139                                 DBUS_TYPE_BOOLEAN, &network->connected);
 140
 141         if (network->strength > 0)
 142                 connman_dbus_dict_append_basic(&dict, "Strength",
 143                                         DBUS_TYPE_BYTE, &network->strength);
 144
 145         if (network->frequency > 0)
 146                 connman_dbus_dict_append_basic(&dict, "Frequency",
 147                                         DBUS_TYPE_UINT16, &network->frequency);
 148
 149         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 150                 connman_dbus_dict_append_fixed_array(&dict, "WiFi.SSID",
 151                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 152                                                 network->wifi.ssid_len);
 153
 154         if (network->wifi.mode != NULL)
 155                 connman_dbus_dict_append_basic(&dict, "WiFi.Mode",
 156                                 DBUS_TYPE_STRING, &network->wifi.mode);
 157
 158         if (network->wifi.channel > 0)
 159                 connman_dbus_dict_append_basic(&dict, "WiFi.Channel",
 160                                 DBUS_TYPE_UINT16, &network->wifi.channel);
 161
 162         if (network->wifi.security != NULL) {
 163                 connman_dbus_dict_append_basic(&dict, "WiFi.Security",
 164                                 DBUS_TYPE_STRING, &network->wifi.security);
 165
 166                 if (g_strcmp0(network->wifi.security, "ieee8021x") == 0 &&
 167                                                     network->wifi.eap != NULL)
 168                         connman_dbus_dict_append_basic(&dict, "WiFi.EAP",
 169                                         DBUS_TYPE_STRING, &network->wifi.eap);
 170         }
 171
 172
 173         if (network->wifi.passphrase != NULL &&
 174                         __connman_security_check_privilege(msg,
 175                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 176                 connman_dbus_dict_append_basic(&dict, "WiFi.Passphrase",
 177                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 178
 179         connman_dbus_dict_close(&array, &dict);
 180
 181         return reply;
 182 }
 183
 184 static GDBusMethodTable network_methods[] = {
 185         { "GetProperties", "",   "a{sv}", get_properties },
 186         { },
 187 };
 188
 189 static GDBusSignalTable network_signals[] = {
 190         { "PropertyChanged", "sv" },
 191         { },
 192 };
 193
 194 static DBusConnection *connection;
 195
 196 static void append_networks(DBusMessageIter *iter, void *user_data)
 197 {
 198         struct connman_device *device = user_data;
 199
 200         __connman_element_list((struct connman_element *) device,
 201                                         CONNMAN_ELEMENT_TYPE_NETWORK, iter);
 202 }
 203
 204 static void emit_networks_signal(struct connman_device *device)
 205 {
 206         const char *path = connman_device_get_path(device);
 207
 208         connman_dbus_property_changed_array(path,
 209                         CONNMAN_DEVICE_INTERFACE, "Networks",
 210                         DBUS_TYPE_OBJECT_PATH, append_networks, device);
 211 }
 212
 213 static int register_interface(struct connman_element *element)
 214 {
 215         struct connman_network *network = element->network;
 216
 217         DBG("element %p name %s", element, element->name);
 218
 219         if (g_dbus_register_interface(connection, element->path,
 220                                         CONNMAN_NETWORK_INTERFACE,
 221                                         network_methods, network_signals,
 222                                         NULL, network, NULL) == FALSE) {
 223                 connman_error("Failed to register %s network", element->path);
 224                 return -EIO;
 225         }
 226
 227         network->registered = TRUE;
 228
 229         emit_networks_signal(network->device);
 230
 231         return 0;
 232 }
 233
 234 static void unregister_interface(struct connman_element *element)
 235 {
 236         struct connman_network * network = element->network;
 237
 238         DBG("element %p name %s", element, element->name);
 239
 240         network->registered = FALSE;
 241
 242         emit_networks_signal(network->device);
 243
 244         g_dbus_unregister_interface(connection, element->path,
 245                                                 CONNMAN_NETWORK_INTERFACE);
 246 }
 247
 248 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 249 {
 250         if (network == NULL || network->driver == NULL)
 251                 return FALSE;
 252
 253         return network->registered;
 254 }
 255
 256 static GSList *driver_list = NULL;
 257
 258 static gint compare_priority(gconstpointer a, gconstpointer b)
 259 {
 260         const struct connman_network_driver *driver1 = a;
 261         const struct connman_network_driver *driver2 = b;
 262
 263         return driver2->priority - driver1->priority;
 264 }
 265
 266 /**
 267  * connman_network_driver_register:
 268  * @driver: network driver definition
 269  *
 270  * Register a new network driver
 271  *
 272  * Returns: %0 on success
 273  */
 274 int connman_network_driver_register(struct connman_network_driver *driver)
 275 {
 276         DBG("driver %p name %s", driver, driver->name);
 277
 278         driver_list = g_slist_insert_sorted(driver_list, driver,
 279                                                         compare_priority);
 280
 281         return 0;
 282 }
 283
 284 /**
 285  * connman_network_driver_unregister:
 286  * @driver: network driver definition
 287  *
 288  * Remove a previously registered network driver
 289  */
 290 void connman_network_driver_unregister(struct connman_network_driver *driver)
 291 {
 292         DBG("driver %p name %s", driver, driver->name);
 293
 294         driver_list = g_slist_remove(driver_list, driver);
 295 }
 296
 297 static void network_destruct(struct connman_element *element)
 298 {
 299         struct connman_network *network = element->network;
 300
 301         DBG("element %p name %s", element, element->name);
 302
 303         g_free(network->wifi.ssid);
 304         g_free(network->wifi.mode);
 305         g_free(network->wifi.security);
 306         g_free(network->wifi.passphrase);
 307
 308         g_free(network->group);
 309         g_free(network->node);
 310         g_free(network->name);
 311         g_free(network->address);
 312         g_free(network->identifier);
 313
 314         if (network->ipconfig) {
 315                 connman_ipconfig_unref(network->ipconfig);
 316                 network->ipconfig = NULL;
 317         }
 318 }
 319
 320 /**
 321  * connman_network_create:
 322  * @identifier: network identifier (for example an unqiue name)
 323  *
 324  * Allocate a new network and assign the #identifier to it.
 325  *
 326  * Returns: a newly-allocated #connman_network structure
 327  */
 328 struct connman_network *connman_network_create(const char *identifier,
 329                                                 enum connman_network_type type)
 330 {
 331         struct connman_network *network;
 332         connman_uint8_t strength = 0;
 333         const char *str;
 334         char *temp;
 335
 336         DBG("identifier %s type %d", identifier, type);
 337
 338         network = g_try_new0(struct connman_network, 1);
 339         if (network == NULL)
 340                 return NULL;
 341
 342         DBG("network %p", network);
 343
 344         __connman_element_initialize(&network->element);
 345
 346         //temp = connman_dbus_encode_string(identifier);
 347         if (identifier == NULL) {
 348                 temp = g_strdup_printf("hidden_%d", hidden_counter++);
 349                 network->hidden = TRUE;
 350         } else
 351                 temp = g_strdup(identifier);
 352
 353         if (temp == NULL) {
 354                 g_free(network);
 355                 return NULL;
 356         }
 357
 358         network->element.name = temp;
 359         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 360
 361         network->element.network = network;
 362         network->element.destruct = network_destruct;
 363
 364         str = type2string(type);
 365         if (str != NULL)
 366                 connman_element_set_string(&network->element, "Type", str);
 367
 368         connman_element_set_uint8(&network->element, "Strength", strength);
 369
 370         network->type       = type;
 371         network->identifier = g_strdup(temp);
 372
 373         return network;
 374 }
 375
 376 /**
 377  * connman_network_ref:
 378  * @network: network structure
 379  *
 380  * Increase reference counter of  network
 381  */
 382 struct connman_network *connman_network_ref(struct connman_network *network)
 383 {
 384         if (connman_element_ref(&network->element) == NULL)
 385                 return NULL;
 386
 387         return network;
 388 }
 389
 390 /**
 391  * connman_network_unref:
 392  * @network: network structure
 393  *
 394  * Decrease reference counter of network
 395  */
 396 void connman_network_unref(struct connman_network *network)
 397 {
 398         connman_element_unref(&network->element);
 399 }
 400
 401 const char *__connman_network_get_type(struct connman_network *network)
 402 {
 403         return type2string(network->type);
 404 }
 405
 406 /**
 407  * connman_network_get_type:
 408  * @network: network structure
 409  *
 410  * Get type of network
 411  */
 412 enum connman_network_type connman_network_get_type(struct connman_network *network)
 413 {
 414         return network->type;
 415 }
 416
 417 /**
 418  * connman_network_get_identifier:
 419  * @network: network structure
 420  *
 421  * Get identifier of network
 422  */
 423 const char *connman_network_get_identifier(struct connman_network *network)
 424 {
 425         return network->identifier;
 426 }
 427
 428 /**
 429  * connman_network_get_path:
 430  * @network: network structure
 431  *
 432  * Get path name of network
 433  */
 434 const char *connman_network_get_path(struct connman_network *network)
 435 {
 436         return network->element.path;
 437 }
 438
 439 /**
 440  * connman_network_set_index:
 441  * @network: network structure
 442  * @index: index number
 443  *
 444  * Set index number of network
 445  */
 446 void connman_network_set_index(struct connman_network *network, int index)
 447 {
 448         network->element.index = index;
 449 }
 450
 451 /**
 452  * connman_network_get_index:
 453  * @network: network structure
 454  *
 455  * Get index number of network
 456  */
 457 int connman_network_get_index(struct connman_network *network)
 458 {
 459         return network->element.index;
 460 }
 461
 462 /**
 463  * connman_network_get_element:
 464  * @network: network structure
 465  *
 466  * Get connman_element of network
 467  */
 468 struct connman_element *connman_network_get_element(
 469                                 struct connman_network *network)
 470 {
 471         return &network->element;
 472 }
 473
 474 /**
 475  * connman_network_set_protocol:
 476  * @network: network structure
 477  * @protocol: network protocol
 478  *
 479  * Change protocol of network
 480  */
 481 void connman_network_set_protocol(struct connman_network *network,
 482                                         enum connman_network_protocol protocol)
 483 {
 484         network->protocol = protocol;
 485 }
 486
 487 /**
 488  * connman_network_set_group:
 489  * @network: network structure
 490  * @group: group name
 491  *
 492  * Set group name for automatic clustering
 493  */
 494 void connman_network_set_group(struct connman_network *network,
 495                                                         const char *group)
 496 {
 497         switch (network->type) {
 498         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 499         case CONNMAN_NETWORK_TYPE_VENDOR:
 500                 return;
 501         case CONNMAN_NETWORK_TYPE_ETHERNET:
 502         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 503         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 504         case CONNMAN_NETWORK_TYPE_CELLULAR:
 505         case CONNMAN_NETWORK_TYPE_MBM:
 506         case CONNMAN_NETWORK_TYPE_HSO:
 507         case CONNMAN_NETWORK_TYPE_WIFI:
 508         case CONNMAN_NETWORK_TYPE_WIMAX:
 509                 break;
 510         }
 511
 512         if (g_strcmp0(network->group, group) == 0) {
 513                 if (group != NULL)
 514                         __connman_profile_update_network(network);
 515                 return;
 516         }
 517
 518         if (network->group != NULL) {
 519                 __connman_profile_remove_network(network);
 520
 521                 g_free(network->group);
 522         }
 523
 524         network->group = g_strdup(group);
 525
 526         if (network->group != NULL)
 527                 __connman_profile_add_network(network);
 528 }
 529
 530 /**
 531  * connman_network_get_group:
 532  * @network: network structure
 533  *
 534  * Get group name for automatic clustering
 535  */
 536 const char *connman_network_get_group(struct connman_network *network)
 537 {
 538         return network->group;
 539 }
 540
 541 const char *__connman_network_get_ident(struct connman_network *network)
 542 {
 543         if (network->device == NULL)
 544                 return NULL;
 545
 546         return __connman_device_get_ident(network->device);
 547 }
 548
 549 connman_bool_t __connman_network_get_weakness(struct connman_network *network)
 550 {
 551         switch (network->type) {
 552         case CONNMAN_NETWORK_TYPE_UNKNOWN:
 553         case CONNMAN_NETWORK_TYPE_VENDOR:
 554         case CONNMAN_NETWORK_TYPE_ETHERNET:
 555         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
 556         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
 557         case CONNMAN_NETWORK_TYPE_CELLULAR:
 558         case CONNMAN_NETWORK_TYPE_MBM:
 559         case CONNMAN_NETWORK_TYPE_HSO:
 560         case CONNMAN_NETWORK_TYPE_WIMAX:
 561                 break;
 562         case CONNMAN_NETWORK_TYPE_WIFI:
 563                 if (g_strcmp0(network->wifi.mode, "adhoc") == 0)
 564                         return TRUE;
 565                 if (network->strength > 0 && network->strength < 20)
 566                         return TRUE;
 567                 break;
 568         }
 569
 570         return FALSE;
 571 }
 572
 573 connman_bool_t __connman_network_get_connecting(struct connman_network *network)
 574 {
 575         return network->connecting;
 576 }
 577
 578 /**
 579  * connman_network_set_available:
 580  * @network: network structure
 581  * @available: availability state
 582  *
 583  * Change availability state of network (in range)
 584  */
 585 int connman_network_set_available(struct connman_network *network,
 586                                                 connman_bool_t available)
 587 {
 588         DBG("network %p available %d", network, available);
 589
 590         if (network->available == available)
 591                 return -EALREADY;
 592
 593         network->available = available;
 594
 595         return 0;
 596 }
 597
 598 /**
 599  * connman_network_get_available:
 600  * @network: network structure
 601  *
 602  * Get network available setting
 603  */
 604 connman_bool_t connman_network_get_available(struct connman_network *network)
 605 {
 606         if (network->hidden == TRUE)
 607                 return TRUE;
 608
 609         return network->available;
 610 }
 611
 612 /**
 613  * connman_network_set_associating:
 614  * @network: network structure
 615  * @associating: associating state
 616  *
 617  * Change associating state of network
 618  */
 619 int connman_network_set_associating(struct connman_network *network,
 620                                                 connman_bool_t associating)
 621 {
 622         DBG("network %p associating %d", network, associating);
 623
 624         if (network->associating == associating)
 625                 return -EALREADY;
 626
 627         network->associating = associating;
 628
 629         if (associating == TRUE) {
 630                 struct connman_service *service;
 631
 632                 service = __connman_service_lookup_from_network(network);
 633                 __connman_service_indicate_state(service,
 634                                         CONNMAN_SERVICE_STATE_ASSOCIATION);
 635         }
 636
 637         return 0;
 638 }
 639
 640 static void set_associate_error(struct connman_network *network)
 641 {
 642         struct connman_service *service;
 643
 644         if (network->associating == FALSE)
 645                 return ;
 646
 647         network->associating = FALSE;
 648
 649         service = __connman_service_lookup_from_network(network);
 650
 651         __connman_service_indicate_state(service,
 652                                         CONNMAN_SERVICE_STATE_FAILURE);
 653 }
 654
 655 void connman_network_set_method(struct connman_network *network,
 656                                         enum connman_ipconfig_method method)
 657 {
 658         network->element.ipv4.method = method;
 659 }
 660
 661 void connman_network_set_error(struct connman_network *network,
 662                                         enum connman_network_error error)
 663 {
 664         DBG("nework %p, error %d", network, error);
 665
 666         network->connecting = FALSE;
 667
 668         switch (error) {
 669         case CONNMAN_NETWORK_ERROR_UNKNOWN:
 670                 return;
 671         case CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL:
 672                 set_associate_error(network);
 673                 break;
 674         }
 675 }
 676
 677 static void set_connected_manual(struct connman_network *network)
 678 {
 679         struct connman_service *service;
 680
 681         DBG("");
 682
 683         __connman_device_increase_connections(network->device);
 684
 685         __connman_device_set_network(network->device, network);
 686
 687         connman_device_set_disconnected(network->device, FALSE);
 688
 689         service = __connman_service_lookup_from_network(network);
 690
 691         network->connecting = FALSE;
 692
 693         connman_network_set_associating(network, FALSE);
 694
 695         __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
 696 }
 697
 698 static int set_connected_dhcp(struct connman_network *network)
 699 {
 700         struct connman_element *element;
 701         struct connman_service *service;
 702         int error;
 703
 704         DBG("network %p", network);
 705
 706         if (network->protocol != CONNMAN_NETWORK_PROTOCOL_IP)
 707                 return -EINVAL;
 708
 709         service = __connman_service_lookup_from_network(network);
 710
 711         DBG("a");
 712         element = connman_element_create(NULL);
 713         if (element == NULL)
 714                 return -ENOMEM;
 715
 716         element->type  = CONNMAN_ELEMENT_TYPE_DHCP;
 717         element->index = network->element.index;
 718
 719         error = connman_element_register(element, &network->element);
 720         if (error < 0) {
 721                 connman_element_unref(element);
 722                 return error;
 723         }
 724
 725         __connman_device_increase_connections(network->device);
 726
 727         __connman_device_set_network(network->device, network);
 728
 729         connman_device_set_disconnected(network->device, FALSE);
 730
 731         __connman_service_indicate_state(service,
 732                         CONNMAN_SERVICE_STATE_CONFIGURATION);
 733
 734         return 0;
 735 }
 736
 737 static gboolean set_connected(gpointer user_data)
 738 {
 739         struct connman_network *network = user_data;
 740
 741         DBG("network method %d", network->element.ipv4.method);
 742
 743         if (network->connected == TRUE) {
 744                 switch (network->element.ipv4.method) {
 745                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 746                 case CONNMAN_IPCONFIG_METHOD_OFF:
 747                         return FALSE;
 748                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
 749                 case CONNMAN_IPCONFIG_METHOD_FIXED:
 750                         set_connected_manual(network);
 751                         return TRUE;
 752                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 753                         if (set_connected_dhcp(network) < 0) {
 754                                 connman_network_set_error(network,
 755                                         CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 756                                 return FALSE;
 757                         }
 758                 }
 759
 760         } else {
 761                 struct connman_service *service;
 762
 763                 connman_element_unregister_children(&network->element);
 764
 765                 __connman_device_set_network(network->device, NULL);
 766                 network->hidden = FALSE;
 767
 768                 __connman_device_decrease_connections(network->device);
 769
 770                 service = __connman_service_lookup_from_network(network);
 771
 772                 __connman_service_indicate_state(service,
 773                                                 CONNMAN_SERVICE_STATE_IDLE);
 774         }
 775
 776         network->connecting = FALSE;
 777
 778         connman_network_set_associating(network, FALSE);
 779
 780         return FALSE;
 781 }
 782
 783 /**
 784  * connman_network_set_connected:
 785  * @network: network structure
 786  * @connected: connected state
 787  *
 788  * Change connected state of network
 789  */
 790 int connman_network_set_connected(struct connman_network *network,
 791                                                 connman_bool_t connected)
 792 {
 793         DBG("network %p connected %d", network, connected);
 794
 795         if ((network->connecting == TRUE || network->associating == TRUE) &&
 796                                                         connected == FALSE) {
 797                 connman_element_set_error(&network->element,
 798                                         CONNMAN_ELEMENT_ERROR_CONNECT_FAILED);
 799                 __connman_network_disconnect(network);
 800         }
 801
 802         if (network->connected == connected)
 803                 return -EALREADY;
 804
 805         network->connected = connected;
 806
 807         if (network->registered == FALSE) {
 808                 g_idle_add(set_connected, network);
 809                 return 0;
 810         }
 811
 812         connman_dbus_property_changed_basic(network->element.path,
 813                                 CONNMAN_NETWORK_INTERFACE, "Connected",
 814                                                 DBUS_TYPE_BOOLEAN, &connected);
 815
 816         set_connected(network);
 817
 818         return 0;
 819 }
 820
 821 /**
 822  * connman_network_get_connected:
 823  * @network: network structure
 824  *
 825  * Get network connection status
 826  */
 827 connman_bool_t connman_network_get_connected(struct connman_network *network)
 828 {
 829         return network->connected;
 830 }
 831
 832 /**
 833  * connman_network_get_associating:
 834  * @network: network structure
 835  *
 836  * Get network associating status
 837  */
 838 connman_bool_t connman_network_get_associating(struct connman_network *network)
 839 {
 840         return network->associating;
 841 }
 842
 843 /**
 844  * __connman_network_connect:
 845  * @network: network structure
 846  *
 847  * Connect network
 848  */
 849 int __connman_network_connect(struct connman_network *network)
 850 {
 851         int err;
 852
 853         DBG("network %p", network);
 854
 855         if (network->connected == TRUE)
 856                 return -EISCONN;
 857
 858         if (network->connecting == TRUE || network->associating == TRUE)
 859                 return -EALREADY;
 860
 861         if (network->driver == NULL)
 862                 return -EUNATCH;
 863
 864         if (network->driver->connect == NULL)
 865                 return -ENOSYS;
 866
 867         __connman_device_disconnect(network->device);
 868
 869         network->connecting = TRUE;
 870
 871         err = network->driver->connect(network);
 872         if (err < 0) {
 873                 if (err == -EINPROGRESS)
 874                         connman_network_set_associating(network, TRUE);
 875                 else
 876                         network->hidden = FALSE;
 877
 878                 return err;
 879         }
 880
 881         network->connected = TRUE;
 882         set_connected(network);
 883
 884         return err;
 885 }
 886
 887 /**
 888  * __connman_network_disconnect:
 889  * @network: network structure
 890  *
 891  * Disconnect network
 892  */
 893 int __connman_network_disconnect(struct connman_network *network)
 894 {
 895         int err;
 896
 897         DBG("network %p", network);
 898
 899         if (network->connected == FALSE && network->connecting == FALSE &&
 900                                                 network->associating == FALSE)
 901                 return -ENOTCONN;
 902
 903         if (network->driver == NULL)
 904                 return -EUNATCH;
 905
 906         if (network->driver->disconnect == NULL)
 907                 return -ENOSYS;
 908
 909         network->connecting = FALSE;
 910
 911         err = network->driver->disconnect(network);
 912         if (err == 0) {
 913                 network->connected = FALSE;
 914                 set_connected(network);
 915         }
 916
 917         return err;
 918 }
 919
 920 /**
 921  * connman_network_set_address:
 922  * @network: network structure
 923  * @address: binary address value
 924  * @size: binary address length
 925  *
 926  * Set unique address value for network
 927  */
 928 int connman_network_set_address(struct connman_network *network,
 929                                 const void *address, unsigned int size)
 930 {
 931         const unsigned char *addr_octet = address;
 932         char *str;
 933
 934         DBG("network %p size %d", network, size);
 935
 936         if (size != 6)
 937                 return -EINVAL;
 938
 939         str = g_strdup_printf("%02X:%02X:%02X:%02X:%02X:%02X",
 940                                 addr_octet[0], addr_octet[1], addr_octet[2],
 941                                 addr_octet[3], addr_octet[4], addr_octet[5]);
 942         if (str == NULL)
 943                 return -ENOMEM;
 944
 945         g_free(network->address);
 946         network->address = str;
 947
 948         return connman_element_set_string(&network->element,
 949                                                 "Address", network->address);
 950 }
 951
 952 /**
 953  * connman_network_set_name:
 954  * @network: network structure
 955  * @name: name value
 956  *
 957  * Set display name value for network
 958  */
 959 int connman_network_set_name(struct connman_network *network,
 960                                                         const char *name)
 961 {
 962         DBG("network %p name %s", network, name);
 963
 964         g_free(network->name);
 965         network->name = g_strdup(name);
 966
 967         return connman_element_set_string(&network->element, "Name", name);
 968 }
 969
 970 /**
 971  * connman_network_set_strength:
 972  * @network: network structure
 973  * @strength: strength value
 974  *
 975  * Set signal strength value for network
 976  */
 977 int connman_network_set_strength(struct connman_network *network,
 978                                                 connman_uint8_t strength)
 979 {
 980         DBG("network %p strengh %d", network, strength);
 981
 982         network->strength = strength;
 983
 984         return connman_element_set_uint8(&network->element,
 985                                                 "Strength", strength);
 986 }
 987
 988 /**
 989  * connman_network_set_roaming:
 990  * @network: network structure
 991  * @roaming: roaming state
 992  *
 993  * Set roaming state for network
 994  */
 995 int connman_network_set_roaming(struct connman_network *network,
 996                                                 connman_bool_t roaming)
 997 {
 998         DBG("network %p roaming %d", network, roaming);
 999
1000         network->roaming = roaming;
1001
1002         return connman_element_set_bool(&network->element,
1003                                                 "Roaming", roaming);
1004 }
1005
1006 /**
1007  * connman_network_set_string:
1008  * @network: network structure
1009  * @key: unique identifier
1010  * @value: string value
1011  *
1012  * Set string value for specific key
1013  */
1014 int connman_network_set_string(struct connman_network *network,
1015                                         const char *key, const char *value)
1016 {
1017         DBG("network %p key %s value %s", network, key, value);
1018
1019         if (g_strcmp0(key, "Name") == 0)
1020                 return connman_network_set_name(network, value);
1021
1022         if (g_str_equal(key, "Address") == TRUE) {
1023                 g_free(network->address);
1024                 network->address = g_strdup(value);
1025         } else if (g_str_equal(key, "Node") == TRUE) {
1026                 g_free(network->node);
1027                 network->node = g_strdup(value);
1028         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
1029                 g_free(network->wifi.mode);
1030                 network->wifi.mode = g_strdup(value);
1031         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
1032                 g_free(network->wifi.security);
1033                 network->wifi.security = g_strdup(value);
1034         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
1035                 g_free(network->wifi.passphrase);
1036                 network->wifi.passphrase = g_strdup(value);
1037         } else if (g_str_equal(key, "WiFi.EAP") == TRUE) {
1038                 g_free(network->wifi.eap);
1039                 network->wifi.eap = g_strdup(value);
1040         } else if (g_str_equal(key, "WiFi.Identity") == TRUE) {
1041                 g_free(network->wifi.identity);
1042                 network->wifi.identity = g_strdup(value);
1043         } else if (g_str_equal(key, "WiFi.CACertFile") == TRUE) {
1044                 g_free(network->wifi.ca_cert_path);
1045                 network->wifi.ca_cert_path = g_strdup(value);
1046         } else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE) {
1047                 g_free(network->wifi.client_cert_path);
1048                 network->wifi.client_cert_path = g_strdup(value);
1049         } else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE) {
1050                 g_free(network->wifi.private_key_path);
1051                 network->wifi.private_key_path = g_strdup(value);
1052         } else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE) {
1053                 g_free(network->wifi.private_key_passphrase);
1054                 network->wifi.private_key_passphrase = g_strdup(value);
1055         } else if (g_str_equal(key, "WiFi.Phase2") == TRUE) {
1056                 g_free(network->wifi.phase2_auth);
1057                 network->wifi.phase2_auth = g_strdup(value);
1058         }
1059
1060         return connman_element_set_string(&network->element, key, value);
1061 }
1062
1063 /**
1064  * connman_network_get_string:
1065  * @network: network structure
1066  * @key: unique identifier
1067  *
1068  * Get string value for specific key
1069  */
1070 const char *connman_network_get_string(struct connman_network *network,
1071                                                         const char *key)
1072 {
1073         DBG("network %p key %s", network, key);
1074
1075         if (g_str_equal(key, "Address") == TRUE)
1076                 return network->address;
1077         else if (g_str_equal(key, "Name") == TRUE)
1078                 return network->name;
1079         else if (g_str_equal(key, "Node") == TRUE)
1080                 return network->node;
1081         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
1082                 return network->wifi.mode;
1083         else if (g_str_equal(key, "WiFi.Security") == TRUE)
1084                 return network->wifi.security;
1085         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
1086                 return network->wifi.passphrase;
1087         else if (g_str_equal(key, "WiFi.EAP") == TRUE)
1088                 return network->wifi.eap;
1089         else if (g_str_equal(key, "WiFi.Identity") == TRUE)
1090                 return network->wifi.identity;
1091         else if (g_str_equal(key, "WiFi.CACertFile") == TRUE)
1092                 return network->wifi.ca_cert_path;
1093         else if (g_str_equal(key, "WiFi.ClientCertFile") == TRUE)
1094                 return network->wifi.client_cert_path;
1095         else if (g_str_equal(key, "WiFi.PrivateKeyFile") == TRUE)
1096                 return network->wifi.private_key_path;
1097         else if (g_str_equal(key, "WiFi.PrivateKeyPassphrase") == TRUE)
1098                 return network->wifi.private_key_passphrase;
1099         else if (g_str_equal(key, "WiFi.Phase2") == TRUE)
1100                 return network->wifi.phase2_auth;
1101
1102         return connman_element_get_string(&network->element, key);
1103 }
1104
1105 /**
1106  * connman_network_set_bool:
1107  * @network: network structure
1108  * @key: unique identifier
1109  * @value: boolean value
1110  *
1111  * Set boolean value for specific key
1112  */
1113 int connman_network_set_bool(struct connman_network *network,
1114                                         const char *key, connman_bool_t value)
1115 {
1116         DBG("network %p key %s value %d", network, key, value);
1117
1118         if (g_strcmp0(key, "Roaming") == 0)
1119                 return connman_network_set_roaming(network, value);
1120
1121         return connman_element_set_bool(&network->element, key, value);
1122 }
1123
1124 /**
1125  * connman_network_get_bool:
1126  * @network: network structure
1127  * @key: unique identifier
1128  *
1129  * Get boolean value for specific key
1130  */
1131 connman_bool_t connman_network_get_bool(struct connman_network *network,
1132                                                         const char *key)
1133 {
1134         DBG("network %p key %s", network, key);
1135
1136         if (g_str_equal(key, "Roaming") == TRUE)
1137                 return network->roaming;
1138
1139         return connman_element_get_bool(&network->element, key);
1140 }
1141
1142 /**
1143  * connman_network_set_uint8:
1144  * @network: network structure
1145  * @key: unique identifier
1146  * @value: integer value
1147  *
1148  * Set integer value for specific key
1149  */
1150 int connman_network_set_uint8(struct connman_network *network,
1151                                         const char *key, connman_uint8_t value)
1152 {
1153         DBG("network %p key %s value %d", network, key, value);
1154
1155         if (g_strcmp0(key, "Strength") == 0)
1156                 return connman_network_set_strength(network, value);
1157
1158         return connman_element_set_uint8(&network->element, key, value);
1159 }
1160
1161 /**
1162  * connman_network_get_uint8:
1163  * @network: network structure
1164  * @key: unique identifier
1165  *
1166  * Get integer value for specific key
1167  */
1168 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
1169                                                         const char *key)
1170 {
1171         DBG("network %p key %s", network, key);
1172
1173         if (g_str_equal(key, "Strength") == TRUE)
1174                 return network->strength;
1175
1176         return connman_element_get_uint8(&network->element, key);
1177 }
1178
1179 /**
1180  * connman_network_set_uint16:
1181  * @network: network structure
1182  * @key: unique identifier
1183  * @value: integer value
1184  *
1185  * Set integer value for specific key
1186  */
1187 int connman_network_set_uint16(struct connman_network *network,
1188                                 const char *key, connman_uint16_t value)
1189 {
1190         DBG("network %p key %s value %d", network, key, value);
1191
1192         if (g_str_equal(key, "Frequency") == TRUE)
1193                 network->frequency = value;
1194         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1195                 network->wifi.channel = value;
1196
1197         return -EINVAL;
1198 }
1199
1200 /**
1201  * connman_network_get_uint16:
1202  * @network: network structure
1203  * @key: unique identifier
1204  *
1205  * Get integer value for specific key
1206  */
1207 connman_uint16_t connman_network_get_uint16(struct connman_network *network,
1208                                                         const char *key)
1209 {
1210         DBG("network %p key %s", network, key);
1211
1212         if (g_str_equal(key, "Frequency") == TRUE)
1213                 return network->frequency;
1214         else if (g_str_equal(key, "WiFi.Channel") == TRUE)
1215                 return network->wifi.channel;
1216
1217         return 0;
1218 }
1219
1220 /**
1221  * connman_network_set_blob:
1222  * @network: network structure
1223  * @key: unique identifier
1224  * @data: blob data
1225  * @size: blob size
1226  *
1227  * Set binary blob value for specific key
1228  */
1229 int connman_network_set_blob(struct connman_network *network,
1230                         const char *key, const void *data, unsigned int size)
1231 {
1232         DBG("network %p key %s size %d", network, key, size);
1233
1234         if (g_strcmp0(key, "Address") == 0)
1235                 return connman_network_set_address(network, data, size);
1236
1237         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1238                 g_free(network->wifi.ssid);
1239                 network->wifi.ssid = g_try_malloc(size);
1240                 if (network->wifi.ssid != NULL) {
1241                         memcpy(network->wifi.ssid, data, size);
1242                         network->wifi.ssid_len = size;
1243                 } else
1244                         network->wifi.ssid_len = 0;
1245         }
1246
1247         return connman_element_set_blob(&network->element, key, data, size);
1248 }
1249
1250 /**
1251  * connman_network_get_blob:
1252  * @network: network structure
1253  * @key: unique identifier
1254  * @size: pointer to blob size
1255  *
1256  * Get binary blob value for specific key
1257  */
1258 const void *connman_network_get_blob(struct connman_network *network,
1259                                         const char *key, unsigned int *size)
1260 {
1261         DBG("network %p key %s", network, key);
1262
1263         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
1264                 if (size != NULL)
1265                         *size = network->wifi.ssid_len;
1266                 return network->wifi.ssid;
1267         }
1268
1269         return connman_element_get_blob(&network->element, key, size);
1270 }
1271
1272 void __connman_network_set_device(struct connman_network *network,
1273                                         struct connman_device *device)
1274 {
1275         network->device = device;
1276 }
1277
1278 /**
1279  * connman_network_get_device:
1280  * @network: network structure
1281  *
1282  * Get parent device of network
1283  */
1284 struct connman_device *connman_network_get_device(struct connman_network *network)
1285 {
1286         return network->device;
1287 }
1288
1289 /**
1290  * connman_network_get_data:
1291  * @network: network structure
1292  *
1293  * Get private network data pointer
1294  */
1295 void *connman_network_get_data(struct connman_network *network)
1296 {
1297         return network->driver_data;
1298 }
1299
1300 /**
1301  * connman_network_set_data:
1302  * @network: network structure
1303  * @data: data pointer
1304  *
1305  * Set private network data pointer
1306  */
1307 void connman_network_set_data(struct connman_network *network, void *data)
1308 {
1309         network->driver_data = data;
1310 }
1311
1312 static gboolean match_driver(struct connman_network *network,
1313                                         struct connman_network_driver *driver)
1314 {
1315         if (network->type == driver->type ||
1316                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1317                 return TRUE;
1318
1319         return FALSE;
1320 }
1321
1322 static int network_probe(struct connman_element *element)
1323 {
1324         struct connman_network *network = element->network;
1325         GSList *list;
1326         int err;
1327
1328         DBG("element %p name %s", element, element->name);
1329
1330         if (network == NULL)
1331                 return -ENODEV;
1332
1333         for (list = driver_list; list; list = list->next) {
1334                 struct connman_network_driver *driver = list->data;
1335
1336                 if (match_driver(network, driver) == FALSE)
1337                         continue;
1338
1339                 DBG("driver %p name %s", driver, driver->name);
1340
1341                 if (driver->probe(network) == 0) {
1342                         network->driver = driver;
1343                         break;
1344                 }
1345         }
1346
1347         if (network->driver == NULL)
1348                 return -ENODEV;
1349
1350         err = register_interface(element);
1351         if (err < 0) {
1352                 if (network->driver->remove)
1353                         network->driver->remove(network);
1354                 return err;
1355         }
1356
1357         switch (network->type) {
1358         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1359         case CONNMAN_NETWORK_TYPE_VENDOR:
1360                 break;
1361         case CONNMAN_NETWORK_TYPE_ETHERNET:
1362         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1363         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1364         case CONNMAN_NETWORK_TYPE_CELLULAR:
1365         case CONNMAN_NETWORK_TYPE_MBM:
1366         case CONNMAN_NETWORK_TYPE_HSO:
1367         case CONNMAN_NETWORK_TYPE_WIFI:
1368         case CONNMAN_NETWORK_TYPE_WIMAX:
1369                 if (network->group != NULL)
1370                         __connman_profile_add_network(network);
1371                 break;
1372         }
1373
1374         return 0;
1375 }
1376
1377 static void network_remove(struct connman_element *element)
1378 {
1379         struct connman_network *network = element->network;
1380
1381         DBG("element %p name %s", element, element->name);
1382
1383         if (network == NULL)
1384                 return;
1385
1386         if (network->driver == NULL)
1387                 return;
1388
1389         switch (network->type) {
1390         case CONNMAN_NETWORK_TYPE_UNKNOWN:
1391         case CONNMAN_NETWORK_TYPE_VENDOR:
1392                 break;
1393         case CONNMAN_NETWORK_TYPE_ETHERNET:
1394         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
1395         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
1396         case CONNMAN_NETWORK_TYPE_CELLULAR:
1397         case CONNMAN_NETWORK_TYPE_MBM:
1398         case CONNMAN_NETWORK_TYPE_HSO:
1399         case CONNMAN_NETWORK_TYPE_WIFI:
1400         case CONNMAN_NETWORK_TYPE_WIMAX:
1401                 if (network->group != NULL) {
1402                         __connman_profile_remove_network(network);
1403
1404                         g_free(network->group);
1405                         network->group = NULL;
1406                 }
1407                 break;
1408         }
1409
1410         unregister_interface(element);
1411
1412         if (network->driver->remove)
1413                 network->driver->remove(network);
1414 }
1415
1416 static void network_change(struct connman_element *element)
1417 {
1418         struct connman_network *network = element->network;
1419
1420         DBG("element %p name %s", element, element->name);
1421
1422         if (element->state != CONNMAN_ELEMENT_STATE_ERROR)
1423                 return;
1424
1425         if (element->error != CONNMAN_ELEMENT_ERROR_DHCP_FAILED)
1426                 return;
1427
1428         if (network->connected == FALSE)
1429                 return;
1430
1431         connman_element_unregister_children(element);
1432
1433         connman_device_set_disconnected(network->device, TRUE);
1434
1435         if (network->driver && network->driver->disconnect) {
1436                 network->driver->disconnect(network);
1437                 return;
1438         }
1439
1440         network->connected = FALSE;
1441 }
1442
1443 static struct connman_driver network_driver = {
1444         .name           = "network",
1445         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1446         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1447         .probe          = network_probe,
1448         .remove         = network_remove,
1449         .change         = network_change,
1450 };
1451
1452 int __connman_network_init(void)
1453 {
1454         DBG("");
1455
1456         connection = connman_dbus_get_connection();
1457
1458         return connman_driver_register(&network_driver);
1459 }
1460
1461 void __connman_network_cleanup(void)
1462 {
1463         DBG("");
1464
1465         connman_driver_unregister(&network_driver);
1466
1467         dbus_connection_unref(connection);
1468 }