plugins/wifi.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2014  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 <unistd.h>
  27 #include <stdlib.h>
  28 #include <errno.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31 #include <sys/ioctl.h>
  32 #include <sys/socket.h>
  33 #include <linux/if_arp.h>
  34 #include <linux/wireless.h>
  35 #include <net/ethernet.h>
  36
  37 #ifndef IFF_LOWER_UP
  38 #define IFF_LOWER_UP    0x10000
  39 #endif
  40
  41 #include <dbus/dbus.h>
  42 #include <glib.h>
  43
  44 #define CONNMAN_API_SUBJECT_TO_CHANGE
  45 #include <connman/plugin.h>
  46 #include <connman/inet.h>
  47 #include <connman/device.h>
  48 #include <connman/rtnl.h>
  49 #include <connman/technology.h>
  50 #include <connman/service.h>
  51 #include <connman/peer.h>
  52 #include <connman/log.h>
  53 #include <connman/option.h>
  54 #include <connman/storage.h>
  55 #include <include/setting.h>
  56 #include <connman/provision.h>
  57 #include <connman/utsname.h>
  58 #include <connman/machine.h>
  59
  60 #include <gsupplicant/gsupplicant.h>
  61
  62 #define CLEANUP_TIMEOUT   8     /* in seconds */
  63 #define INACTIVE_TIMEOUT  12    /* in seconds */
  64 #define FAVORITE_MAXIMUM_RETRIES 2
  65
  66 #define BGSCAN_DEFAULT "simple:30:-45:300"
  67 #define AUTOSCAN_DEFAULT "exponential:3:300"
  68
  69 #define P2P_FIND_TIMEOUT 30
  70 #define P2P_CONNECTION_TIMEOUT 100
  71 #define P2P_LISTEN_PERIOD 500
  72 #define P2P_LISTEN_INTERVAL 2000
  73
  74 static struct connman_technology *wifi_technology = NULL;
  75 static struct connman_technology *p2p_technology = NULL;
  76
  77 struct hidden_params {
  78         char ssid[32];
  79         unsigned int ssid_len;
  80         char *identity;
  81         char *passphrase;
  82         char *security;
  83         GSupplicantScanParams *scan_params;
  84         gpointer user_data;
  85 };
  86
  87 /**
  88  * Used for autoscan "emulation".
  89  * Should be removed when wpa_s autoscan support will be by default.
  90  */
  91 struct autoscan_params {
  92         int base;
  93         int limit;
  94         int interval;
  95         unsigned int timeout;
  96 };
  97
  98 struct wifi_data {
  99         char *identifier;
 100         struct connman_device *device;
 101         struct connman_network *network;
 102         struct connman_network *pending_network;
 103         GSList *networks;
 104         GSupplicantInterface *interface;
 105         GSupplicantState state;
 106         bool connected;
 107         bool disconnecting;
 108         bool tethering;
 109         bool bridged;
 110         bool interface_ready;
 111         const char *bridge;
 112         int index;
 113         unsigned flags;
 114         unsigned int watch;
 115         int retries;
 116         struct hidden_params *hidden;
 117         bool postpone_hidden;
 118         /**
 119          * autoscan "emulation".
 120          */
 121         struct autoscan_params *autoscan;
 122
 123         GSupplicantScanParams *scan_params;
 124         unsigned int p2p_find_timeout;
 125         unsigned int p2p_connection_timeout;
 126         struct connman_peer *pending_peer;
 127         GSupplicantPeer *peer;
 128         bool p2p_connecting;
 129         bool p2p_device;
 130         int servicing;
 131 #if defined TIZEN_EXT
 132         int assoc_retry_count;
 133         struct connman_network *interface_disconnected_network;
 134         struct connman_network *scan_pending_network;
 135 #endif
 136 };
 137
 138 #if defined TIZEN_EXT
 139 #include "connman.h"
 140
 141 #define TIZEN_ASSOC_RETRY_COUNT         3
 142
 143 static gboolean wifi_first_scan = false;
 144 static gboolean found_with_first_scan = false;
 145 static gboolean is_wifi_notifier_registered = false;
 146 #endif
 147
 148 static GList *iface_list = NULL;
 149
 150 static GList *pending_wifi_device = NULL;
 151 static GList *p2p_iface_list = NULL;
 152 bool wfd_service_registered = false;
 153
 154 static void start_autoscan(struct connman_device *device);
 155
 156 static int p2p_tech_probe(struct connman_technology *technology)
 157 {
 158         p2p_technology = technology;
 159
 160         return 0;
 161 }
 162
 163 static void p2p_tech_remove(struct connman_technology *technology)
 164 {
 165         p2p_technology = NULL;
 166 }
 167
 168 static struct connman_technology_driver p2p_tech_driver = {
 169         .name           = "p2p",
 170         .type           = CONNMAN_SERVICE_TYPE_P2P,
 171         .probe          = p2p_tech_probe,
 172         .remove         = p2p_tech_remove,
 173 };
 174
 175 static bool is_p2p_connecting(void)
 176 {
 177         GList *list;
 178
 179         for (list = iface_list; list; list = list->next) {
 180                 struct wifi_data *wifi = list->data;
 181
 182                 if (wifi->p2p_connecting)
 183                         return true;
 184         }
 185
 186         return false;
 187 }
 188
 189 static void add_pending_wifi_device(struct wifi_data *wifi)
 190 {
 191         if (g_list_find(pending_wifi_device, wifi))
 192                 return;
 193
 194         pending_wifi_device = g_list_append(pending_wifi_device, wifi);
 195 }
 196
 197 static struct wifi_data *get_pending_wifi_data(const char *ifname)
 198 {
 199         GList *list;
 200
 201         for (list = pending_wifi_device; list; list = list->next) {
 202                 struct wifi_data *wifi;
 203                 const char *dev_name;
 204
 205                 wifi = list->data;
 206                 if (!wifi || !wifi->device)
 207                         continue;
 208
 209                 dev_name = connman_device_get_string(wifi->device, "Interface");
 210                 if (!g_strcmp0(ifname, dev_name)) {
 211                         pending_wifi_device = g_list_delete_link(
 212                                                 pending_wifi_device, list);
 213                         return wifi;
 214                 }
 215         }
 216
 217         return NULL;
 218 }
 219
 220 static void remove_pending_wifi_device(struct wifi_data *wifi)
 221 {
 222         GList *link;
 223
 224         link = g_list_find(pending_wifi_device, wifi);
 225
 226         if (!link)
 227                 return;
 228
 229         pending_wifi_device = g_list_delete_link(pending_wifi_device, link);
 230 }
 231
 232 static void peer_cancel_timeout(struct wifi_data *wifi)
 233 {
 234         if (wifi->p2p_connection_timeout > 0)
 235                 g_source_remove(wifi->p2p_connection_timeout);
 236
 237         wifi->p2p_connection_timeout = 0;
 238         wifi->p2p_connecting = false;
 239
 240         if (wifi->pending_peer) {
 241                 connman_peer_unref(wifi->pending_peer);
 242                 wifi->pending_peer = NULL;
 243         }
 244
 245         wifi->peer = NULL;
 246 }
 247
 248 static gboolean peer_connect_timeout(gpointer data)
 249 {
 250         struct wifi_data *wifi = data;
 251
 252         DBG("");
 253
 254         if (wifi->p2p_connecting) {
 255                 enum connman_peer_state state = CONNMAN_PEER_STATE_FAILURE;
 256
 257                 if (g_supplicant_peer_has_requested_connection(wifi->peer))
 258                         state = CONNMAN_PEER_STATE_IDLE;
 259
 260                 connman_peer_set_state(wifi->pending_peer, state);
 261         }
 262
 263         peer_cancel_timeout(wifi);
 264
 265         return FALSE;
 266 }
 267
 268 static void peer_connect_callback(int result, GSupplicantInterface *interface,
 269                                                         void *user_data)
 270 {
 271         struct wifi_data *wifi = user_data;
 272         struct connman_peer *peer = wifi->pending_peer;
 273
 274         DBG("peer %p - %d", peer, result);
 275
 276         if (!peer)
 277                 return;
 278
 279         if (result < 0) {
 280                 peer_connect_timeout(wifi);
 281                 return;
 282         }
 283
 284         connman_peer_set_state(peer, CONNMAN_PEER_STATE_ASSOCIATION);
 285
 286         wifi->p2p_connection_timeout = g_timeout_add_seconds(
 287                                                 P2P_CONNECTION_TIMEOUT,
 288                                                 peer_connect_timeout, wifi);
 289 }
 290
 291 static int peer_connect(struct connman_peer *peer,
 292                         enum connman_peer_wps_method wps_method,
 293                         const char *wps_pin)
 294 {
 295         struct connman_device *device = connman_peer_get_device(peer);
 296         GSupplicantPeerParams *peer_params;
 297         GSupplicantPeer *gs_peer;
 298         struct wifi_data *wifi;
 299         bool pbc, pin;
 300         int ret;
 301
 302         DBG("peer %p", peer);
 303
 304         if (!device)
 305                 return -ENODEV;
 306
 307         wifi = connman_device_get_data(device);
 308         if (!wifi)
 309                 return -ENODEV;
 310
 311         if (wifi->p2p_connecting)
 312                 return -EBUSY;
 313
 314         wifi->peer = NULL;
 315
 316         gs_peer = g_supplicant_interface_peer_lookup(wifi->interface,
 317                                         connman_peer_get_identifier(peer));
 318         if (!gs_peer)
 319                 return -EINVAL;
 320
 321         pbc = g_supplicant_peer_is_wps_pbc(gs_peer);
 322         pin = g_supplicant_peer_is_wps_pin(gs_peer);
 323
 324         switch (wps_method) {
 325         case CONNMAN_PEER_WPS_UNKNOWN:
 326                 if ((pbc && pin) || pin)
 327                         return -ENOKEY;
 328                 break;
 329         case CONNMAN_PEER_WPS_PBC:
 330                 if (!pbc)
 331                         return -EINVAL;
 332                 wps_pin = NULL;
 333                 break;
 334         case CONNMAN_PEER_WPS_PIN:
 335                 if (!pin || !wps_pin)
 336                         return -EINVAL;
 337                 break;
 338         }
 339
 340         peer_params = g_try_malloc0(sizeof(GSupplicantPeerParams));
 341         if (!peer_params)
 342                 return -ENOMEM;
 343
 344         peer_params->path = g_strdup(g_supplicant_peer_get_path(gs_peer));
 345         if (wps_pin)
 346                 peer_params->wps_pin = g_strdup(wps_pin);
 347
 348         peer_params->master = connman_peer_service_is_master();
 349
 350         ret = g_supplicant_interface_p2p_connect(wifi->interface, peer_params,
 351                                                 peer_connect_callback, wifi);
 352         if (ret == -EINPROGRESS) {
 353                 wifi->pending_peer = connman_peer_ref(peer);
 354                 wifi->peer = gs_peer;
 355                 wifi->p2p_connecting = true;
 356         } else if (ret < 0)
 357                 g_free(peer_params);
 358
 359         return ret;
 360 }
 361
 362 static int peer_disconnect(struct connman_peer *peer)
 363 {
 364         struct connman_device *device = connman_peer_get_device(peer);
 365         GSupplicantPeerParams peer_params = {};
 366         GSupplicantPeer *gs_peer;
 367         struct wifi_data *wifi;
 368         int ret;
 369
 370         DBG("peer %p", peer);
 371
 372         if (!device)
 373                 return -ENODEV;
 374
 375         wifi = connman_device_get_data(device);
 376         if (!wifi)
 377                 return -ENODEV;
 378
 379         gs_peer = g_supplicant_interface_peer_lookup(wifi->interface,
 380                                         connman_peer_get_identifier(peer));
 381         if (!gs_peer)
 382                 return -EINVAL;
 383
 384         peer_params.path = g_strdup(g_supplicant_peer_get_path(gs_peer));
 385
 386         ret = g_supplicant_interface_p2p_disconnect(wifi->interface,
 387                                                         &peer_params);
 388         g_free(peer_params.path);
 389
 390         if (ret == -EINPROGRESS)
 391                 peer_cancel_timeout(wifi);
 392
 393         return ret;
 394 }
 395
 396 struct peer_service_registration {
 397         peer_service_registration_cb_t callback;
 398         void *user_data;
 399 };
 400
 401 static bool is_service_wfd(const unsigned char *specs, int length)
 402 {
 403         if (length < 9 || specs[0] != 0 || specs[1] != 0 || specs[2] != 6)
 404                 return false;
 405
 406         return true;
 407 }
 408
 409 static void apply_p2p_listen_on_iface(gpointer data, gpointer user_data)
 410 {
 411         struct wifi_data *wifi = data;
 412
 413         if (!wifi->interface ||
 414                         !g_supplicant_interface_has_p2p(wifi->interface))
 415                 return;
 416
 417         if (!wifi->servicing) {
 418                 g_supplicant_interface_p2p_listen(wifi->interface,
 419                                 P2P_LISTEN_PERIOD, P2P_LISTEN_INTERVAL);
 420         }
 421
 422         wifi->servicing++;
 423 }
 424
 425 static void register_wfd_service_cb(int result,
 426                                 GSupplicantInterface *iface, void *user_data)
 427 {
 428         struct peer_service_registration *reg_data = user_data;
 429
 430         DBG("");
 431
 432         if (result == 0)
 433                 g_list_foreach(iface_list, apply_p2p_listen_on_iface, NULL);
 434
 435         if (reg_data && reg_data->callback) {
 436                 reg_data->callback(result, reg_data->user_data);
 437                 g_free(reg_data);
 438         }
 439 }
 440
 441 static GSupplicantP2PServiceParams *fill_in_peer_service_params(
 442                                 const unsigned char *spec,
 443                                 int spec_length, const unsigned char *query,
 444                                 int query_length, int version)
 445 {
 446         GSupplicantP2PServiceParams *params;
 447
 448         params = g_try_malloc0(sizeof(GSupplicantP2PServiceParams));
 449         if (!params)
 450                 return NULL;
 451
 452         if (version > 0) {
 453                 params->version = version;
 454                 params->service = g_memdup(spec, spec_length);
 455         } else if (query_length > 0 && spec_length > 0) {
 456                 params->query = g_memdup(query, query_length);
 457                 params->query_length = query_length;
 458
 459                 params->response = g_memdup(spec, spec_length);
 460                 params->response_length = spec_length;
 461         } else {
 462                 params->wfd_ies = g_memdup(spec, spec_length);
 463                 params->wfd_ies_length = spec_length;
 464         }
 465
 466         return params;
 467 }
 468
 469 static void free_peer_service_params(GSupplicantP2PServiceParams *params)
 470 {
 471         if (!params)
 472                 return;
 473
 474         g_free(params->service);
 475         g_free(params->query);
 476         g_free(params->response);
 477         g_free(params->wfd_ies);
 478
 479         g_free(params);
 480 }
 481
 482 static int peer_register_wfd_service(const unsigned char *specification,
 483                                 int specification_length,
 484                                 peer_service_registration_cb_t callback,
 485                                 void *user_data)
 486 {
 487         struct peer_service_registration *reg_data = NULL;
 488         static GSupplicantP2PServiceParams *params;
 489         int ret;
 490
 491         DBG("");
 492
 493         if (wfd_service_registered)
 494                 return -EBUSY;
 495
 496         params = fill_in_peer_service_params(specification,
 497                                         specification_length, NULL, 0, 0);
 498         if (!params)
 499                 return -ENOMEM;
 500
 501         reg_data = g_try_malloc0(sizeof(*reg_data));
 502         if (!reg_data) {
 503                 ret = -ENOMEM;
 504                 goto error;
 505         }
 506
 507         reg_data->callback = callback;
 508         reg_data->user_data = user_data;
 509
 510         ret = g_supplicant_set_widi_ies(params,
 511                                         register_wfd_service_cb, reg_data);
 512         if (ret < 0 && ret != -EINPROGRESS)
 513                 goto error;
 514
 515         wfd_service_registered = true;
 516
 517         return ret;
 518 error:
 519         free_peer_service_params(params);
 520         g_free(reg_data);
 521
 522         return ret;
 523 }
 524
 525 static void register_peer_service_cb(int result,
 526                                 GSupplicantInterface *iface, void *user_data)
 527 {
 528         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
 529         struct peer_service_registration *reg_data = user_data;
 530
 531         DBG("");
 532
 533         if (result == 0)
 534                 apply_p2p_listen_on_iface(wifi, NULL);
 535
 536         if (reg_data->callback)
 537                 reg_data->callback(result, reg_data->user_data);
 538
 539         g_free(reg_data);
 540 }
 541
 542 static int peer_register_service(const unsigned char *specification,
 543                                 int specification_length,
 544                                 const unsigned char *query,
 545                                 int query_length, int version,
 546                                 peer_service_registration_cb_t callback,
 547                                 void *user_data)
 548 {
 549         struct peer_service_registration *reg_data;
 550         GSupplicantP2PServiceParams *params;
 551         bool found = false;
 552         int ret, ret_f;
 553         GList *list;
 554
 555         DBG("");
 556
 557         if (specification && !version && !query &&
 558                         is_service_wfd(specification, specification_length)) {
 559                 return peer_register_wfd_service(specification,
 560                                 specification_length, callback, user_data);
 561         }
 562
 563         reg_data = g_try_malloc0(sizeof(*reg_data));
 564         if (!reg_data)
 565                 return -ENOMEM;
 566
 567         reg_data->callback = callback;
 568         reg_data->user_data = user_data;
 569
 570         ret_f = -EOPNOTSUPP;
 571
 572         for (list = iface_list; list; list = list->next) {
 573                 struct wifi_data *wifi = list->data;
 574                 GSupplicantInterface *iface = wifi->interface;
 575
 576                 if (!g_supplicant_interface_has_p2p(iface))
 577                         continue;
 578
 579                 params = fill_in_peer_service_params(specification,
 580                                                 specification_length, query,
 581                                                 query_length, version);
 582                 if (!params) {
 583                         ret = -ENOMEM;
 584                         continue;
 585                 }
 586
 587                 if (!found) {
 588                         ret_f = g_supplicant_interface_p2p_add_service(iface,
 589                                 register_peer_service_cb, params, reg_data);
 590                         if (ret_f == 0 || ret_f == -EINPROGRESS)
 591                                 found = true;
 592                         ret = ret_f;
 593                 } else
 594                         ret = g_supplicant_interface_p2p_add_service(iface,
 595                                 register_peer_service_cb, params, NULL);
 596                 if (ret != 0 && ret != -EINPROGRESS)
 597                         free_peer_service_params(params);
 598         }
 599
 600         if (ret_f != 0 && ret_f != -EINPROGRESS)
 601                 g_free(reg_data);
 602
 603         return ret_f;
 604 }
 605
 606 static int peer_unregister_wfd_service(void)
 607 {
 608         GSupplicantP2PServiceParams *params;
 609         GList *list;
 610
 611         if (!wfd_service_registered)
 612                 return -EALREADY;
 613
 614         params = fill_in_peer_service_params(NULL, 0, NULL, 0, 0);
 615         if (!params)
 616                 return -ENOMEM;
 617
 618         wfd_service_registered = false;
 619
 620         g_supplicant_set_widi_ies(params, NULL, NULL);
 621
 622         for (list = iface_list; list; list = list->next) {
 623                 struct wifi_data *wifi = list->data;
 624
 625                 if (!g_supplicant_interface_has_p2p(wifi->interface))
 626                         continue;
 627
 628                 wifi->servicing--;
 629                 if (!wifi->servicing || wifi->servicing < 0) {
 630                         g_supplicant_interface_p2p_listen(wifi->interface,
 631                                                                         0, 0);
 632                         wifi->servicing = 0;
 633                 }
 634         }
 635
 636         return 0;
 637 }
 638
 639 static int peer_unregister_service(const unsigned char *specification,
 640                                                 int specification_length,
 641                                                 const unsigned char *query,
 642                                                 int query_length, int version)
 643 {
 644         GSupplicantP2PServiceParams *params;
 645         bool wfd = false;
 646         GList *list;
 647         int ret;
 648
 649         if (specification && !version && !query &&
 650                         is_service_wfd(specification, specification_length)) {
 651                 ret = peer_unregister_wfd_service();
 652                 if (ret != 0 && ret != -EINPROGRESS)
 653                         return ret;
 654                 wfd = true;
 655         }
 656
 657         for (list = iface_list; list; list = list->next) {
 658                 struct wifi_data *wifi = list->data;
 659                 GSupplicantInterface *iface = wifi->interface;
 660
 661                 if (wfd)
 662                         goto stop_listening;
 663
 664                 if (!g_supplicant_interface_has_p2p(iface))
 665                         continue;
 666
 667                 params = fill_in_peer_service_params(specification,
 668                                                 specification_length, query,
 669                                                 query_length, version);
 670                 if (!params) {
 671                         ret = -ENOMEM;
 672                         continue;
 673                 }
 674
 675                 ret = g_supplicant_interface_p2p_del_service(iface, params);
 676                 if (ret != 0 && ret != -EINPROGRESS)
 677                         free_peer_service_params(params);
 678 stop_listening:
 679                 wifi->servicing--;
 680                 if (!wifi->servicing || wifi->servicing < 0) {
 681                         g_supplicant_interface_p2p_listen(iface, 0, 0);
 682                         wifi->servicing = 0;
 683                 }
 684         }
 685
 686         return 0;
 687 }
 688
 689 static struct connman_peer_driver peer_driver = {
 690         .connect    = peer_connect,
 691         .disconnect = peer_disconnect,
 692         .register_service = peer_register_service,
 693         .unregister_service = peer_unregister_service,
 694 };
 695
 696 static void handle_tethering(struct wifi_data *wifi)
 697 {
 698         if (!wifi->tethering)
 699                 return;
 700
 701         if (!wifi->bridge)
 702                 return;
 703
 704         if (wifi->bridged)
 705                 return;
 706
 707         DBG("index %d bridge %s", wifi->index, wifi->bridge);
 708
 709         if (connman_inet_add_to_bridge(wifi->index, wifi->bridge) < 0)
 710                 return;
 711
 712         wifi->bridged = true;
 713 }
 714
 715 static void wifi_newlink(unsigned flags, unsigned change, void *user_data)
 716 {
 717         struct connman_device *device = user_data;
 718         struct wifi_data *wifi = connman_device_get_data(device);
 719
 720         if (!wifi)
 721                 return;
 722
 723         DBG("index %d flags %d change %d", wifi->index, flags, change);
 724
 725         if ((wifi->flags & IFF_UP) != (flags & IFF_UP)) {
 726                 if (flags & IFF_UP)
 727                         DBG("interface up");
 728                 else
 729                         DBG("interface down");
 730         }
 731
 732         if ((wifi->flags & IFF_LOWER_UP) != (flags & IFF_LOWER_UP)) {
 733                 if (flags & IFF_LOWER_UP) {
 734                         DBG("carrier on");
 735
 736                         handle_tethering(wifi);
 737                 } else
 738                         DBG("carrier off");
 739         }
 740
 741         wifi->flags = flags;
 742 }
 743
 744 static int wifi_probe(struct connman_device *device)
 745 {
 746         struct wifi_data *wifi;
 747
 748         DBG("device %p", device);
 749
 750         wifi = g_try_new0(struct wifi_data, 1);
 751         if (!wifi)
 752                 return -ENOMEM;
 753
 754         wifi->state = G_SUPPLICANT_STATE_INACTIVE;
 755
 756         connman_device_set_data(device, wifi);
 757         wifi->device = connman_device_ref(device);
 758
 759         wifi->index = connman_device_get_index(device);
 760         wifi->flags = 0;
 761
 762         wifi->watch = connman_rtnl_add_newlink_watch(wifi->index,
 763                                                         wifi_newlink, device);
 764         if (is_p2p_connecting())
 765                 add_pending_wifi_device(wifi);
 766         else
 767                 iface_list = g_list_append(iface_list, wifi);
 768
 769         return 0;
 770 }
 771
 772 static void remove_networks(struct connman_device *device,
 773                                 struct wifi_data *wifi)
 774 {
 775         GSList *list;
 776
 777         for (list = wifi->networks; list; list = list->next) {
 778                 struct connman_network *network = list->data;
 779
 780                 connman_device_remove_network(device, network);
 781                 connman_network_unref(network);
 782         }
 783
 784         g_slist_free(wifi->networks);
 785         wifi->networks = NULL;
 786 }
 787
 788 static void reset_autoscan(struct connman_device *device)
 789 {
 790         struct wifi_data *wifi = connman_device_get_data(device);
 791         struct autoscan_params *autoscan;
 792
 793         DBG("");
 794
 795         if (!wifi || !wifi->autoscan)
 796                 return;
 797
 798         autoscan = wifi->autoscan;
 799
 800         if (autoscan->timeout == 0 && autoscan->interval == 0)
 801                 return;
 802
 803         g_source_remove(autoscan->timeout);
 804
 805         autoscan->timeout = 0;
 806         autoscan->interval = 0;
 807
 808         connman_device_unref(device);
 809 }
 810
 811 static void stop_autoscan(struct connman_device *device)
 812 {
 813         const struct wifi_data *wifi = connman_device_get_data(device);
 814
 815         if (!wifi || !wifi->autoscan)
 816                 return;
 817
 818         reset_autoscan(device);
 819
 820         connman_device_set_scanning(device, CONNMAN_SERVICE_TYPE_WIFI, false);
 821 }
 822
 823 static void check_p2p_technology(void)
 824 {
 825         bool p2p_exists = false;
 826         GList *list;
 827
 828         for (list = iface_list; list; list = list->next) {
 829                 struct wifi_data *w = list->data;
 830
 831                 if (w->interface &&
 832                                 g_supplicant_interface_has_p2p(w->interface))
 833                         p2p_exists = true;
 834         }
 835
 836         if (!p2p_exists) {
 837                 connman_technology_driver_unregister(&p2p_tech_driver);
 838                 connman_peer_driver_unregister(&peer_driver);
 839         }
 840 }
 841
 842 static void wifi_remove(struct connman_device *device)
 843 {
 844         struct wifi_data *wifi = connman_device_get_data(device);
 845
 846         DBG("device %p wifi %p", device, wifi);
 847
 848         if (!wifi)
 849                 return;
 850
 851         stop_autoscan(device);
 852
 853         if (wifi->p2p_device)
 854                 p2p_iface_list = g_list_remove(p2p_iface_list, wifi);
 855         else
 856                 iface_list = g_list_remove(iface_list, wifi);
 857
 858         check_p2p_technology();
 859
 860         remove_pending_wifi_device(wifi);
 861
 862         if (wifi->p2p_find_timeout) {
 863                 g_source_remove(wifi->p2p_find_timeout);
 864                 connman_device_unref(wifi->device);
 865         }
 866
 867         if (wifi->p2p_connection_timeout)
 868                 g_source_remove(wifi->p2p_connection_timeout);
 869
 870         remove_networks(device, wifi);
 871
 872         connman_device_set_powered(device, false);
 873         connman_device_set_data(device, NULL);
 874         connman_device_unref(wifi->device);
 875         connman_rtnl_remove_watch(wifi->watch);
 876
 877         g_supplicant_interface_set_data(wifi->interface, NULL);
 878
 879         g_supplicant_interface_cancel(wifi->interface);
 880
 881         if (wifi->scan_params)
 882                 g_supplicant_free_scan_params(wifi->scan_params);
 883
 884         g_free(wifi->autoscan);
 885         g_free(wifi->identifier);
 886         g_free(wifi);
 887 }
 888
 889 static bool is_duplicate(GSList *list, gchar *ssid, int ssid_len)
 890 {
 891         GSList *iter;
 892
 893         for (iter = list; iter; iter = g_slist_next(iter)) {
 894                 struct scan_ssid *scan_ssid = iter->data;
 895
 896                 if (ssid_len == scan_ssid->ssid_len &&
 897                                 memcmp(ssid, scan_ssid->ssid, ssid_len) == 0)
 898                         return true;
 899         }
 900
 901         return false;
 902 }
 903
 904 static int add_scan_param(gchar *hex_ssid, char *raw_ssid, int ssid_len,
 905                         int freq, GSupplicantScanParams *scan_data,
 906                         int driver_max_scan_ssids, char *ssid_name)
 907 {
 908         unsigned int i;
 909         struct scan_ssid *scan_ssid;
 910
 911         if ((driver_max_scan_ssids == 0 ||
 912                         driver_max_scan_ssids > scan_data->num_ssids) &&
 913                         (hex_ssid || raw_ssid)) {
 914                 gchar *ssid;
 915                 unsigned int j = 0, hex;
 916
 917                 if (hex_ssid) {
 918                         size_t hex_ssid_len = strlen(hex_ssid);
 919
 920                         ssid = g_try_malloc0(hex_ssid_len / 2);
 921                         if (!ssid)
 922                                 return -ENOMEM;
 923
 924                         for (i = 0; i < hex_ssid_len; i += 2) {
 925                                 sscanf(hex_ssid + i, "%02x", &hex);
 926                                 ssid[j++] = hex;
 927                         }
 928                 } else {
 929                         ssid = raw_ssid;
 930                         j = ssid_len;
 931                 }
 932
 933                 /*
 934                  * If we have already added hidden AP to the list,
 935                  * then do not do it again. This might happen if you have
 936                  * used or are using multiple wifi cards, so in that case
 937                  * you might have multiple service files for same AP.
 938                  */
 939                 if (is_duplicate(scan_data->ssids, ssid, j)) {
 940                         if (hex_ssid)
 941                                 g_free(ssid);
 942                         return 0;
 943                 }
 944
 945                 scan_ssid = g_try_new(struct scan_ssid, 1);
 946                 if (!scan_ssid) {
 947                         if (hex_ssid)
 948                                 g_free(ssid);
 949                         return -ENOMEM;
 950                 }
 951
 952                 memcpy(scan_ssid->ssid, ssid, j);
 953                 scan_ssid->ssid_len = j;
 954                 scan_data->ssids = g_slist_prepend(scan_data->ssids,
 955                                                                 scan_ssid);
 956
 957                 scan_data->num_ssids++;
 958
 959                 DBG("SSID %s added to scanned list of %d entries", ssid_name,
 960                                                         scan_data->num_ssids);
 961
 962                 if (hex_ssid)
 963                         g_free(ssid);
 964         } else
 965                 return -EINVAL;
 966
 967         scan_data->ssids = g_slist_reverse(scan_data->ssids);
 968
 969         if (!scan_data->freqs) {
 970                 scan_data->freqs = g_try_malloc0(sizeof(uint16_t));
 971                 if (!scan_data->freqs) {
 972                         g_slist_free_full(scan_data->ssids, g_free);
 973                         return -ENOMEM;
 974                 }
 975
 976                 scan_data->num_freqs = 1;
 977                 scan_data->freqs[0] = freq;
 978         } else {
 979                 bool duplicate = false;
 980
 981                 /* Don't add duplicate entries */
 982                 for (i = 0; i < scan_data->num_freqs; i++) {
 983                         if (scan_data->freqs[i] == freq) {
 984                                 duplicate = true;
 985                                 break;
 986                         }
 987                 }
 988
 989                 if (!duplicate) {
 990                         scan_data->num_freqs++;
 991                         scan_data->freqs = g_try_realloc(scan_data->freqs,
 992                                 sizeof(uint16_t) * scan_data->num_freqs);
 993                         if (!scan_data->freqs) {
 994                                 g_slist_free_full(scan_data->ssids, g_free);
 995                                 return -ENOMEM;
 996                         }
 997                         scan_data->freqs[scan_data->num_freqs - 1] = freq;
 998                 }
 999         }
1000
1001         return 1;
1002 }
1003
1004 static int get_hidden_connections(GSupplicantScanParams *scan_data)
1005 {
1006         struct connman_config_entry **entries;
1007         GKeyFile *keyfile;
1008         gchar **services;
1009         char *ssid, *name;
1010         int i, ret;
1011         bool value;
1012         int num_ssids = 0, add_param_failed = 0;
1013
1014         services = connman_storage_get_services();
1015         for (i = 0; services && services[i]; i++) {
1016                 if (strncmp(services[i], "wifi_", 5) != 0)
1017                         continue;
1018
1019                 keyfile = connman_storage_load_service(services[i]);
1020                 if (!keyfile)
1021                         continue;
1022
1023                 value = g_key_file_get_boolean(keyfile,
1024                                         services[i], "Hidden", NULL);
1025                 if (!value) {
1026                         g_key_file_free(keyfile);
1027                         continue;
1028                 }
1029
1030                 value = g_key_file_get_boolean(keyfile,
1031                                         services[i], "Favorite", NULL);
1032                 if (!value) {
1033                         g_key_file_free(keyfile);
1034                         continue;
1035                 }
1036
1037 #if defined TIZEN_EXT
1038                 value = g_key_file_get_boolean(keyfile,
1039                                         services[i], "AutoConnect", NULL);
1040                 if (!value) {
1041                         g_key_file_free(keyfile);
1042                         continue;
1043                 }
1044 #endif
1045
1046                 ssid = g_key_file_get_string(keyfile,
1047                                         services[i], "SSID", NULL);
1048
1049                 name = g_key_file_get_string(keyfile, services[i], "Name",
1050                                                                 NULL);
1051
1052                 ret = add_scan_param(ssid, NULL, 0, 0, scan_data, 0, name);
1053                 if (ret < 0)
1054                         add_param_failed++;
1055                 else if (ret > 0)
1056                         num_ssids++;
1057
1058                 g_free(ssid);
1059                 g_free(name);
1060                 g_key_file_free(keyfile);
1061         }
1062
1063         /*
1064          * Check if there are any hidden AP that needs to be provisioned.
1065          */
1066         entries = connman_config_get_entries("wifi");
1067         for (i = 0; entries && entries[i]; i++) {
1068                 int len;
1069
1070                 if (!entries[i]->hidden)
1071                         continue;
1072
1073                 if (!entries[i]->ssid) {
1074                         ssid = entries[i]->name;
1075                         len = strlen(ssid);
1076                 } else {
1077                         ssid = entries[i]->ssid;
1078                         len = entries[i]->ssid_len;
1079                 }
1080
1081                 if (!ssid)
1082                         continue;
1083
1084                 ret = add_scan_param(NULL, ssid, len, 0, scan_data, 0, ssid);
1085                 if (ret < 0)
1086                         add_param_failed++;
1087                 else if (ret > 0)
1088                         num_ssids++;
1089         }
1090
1091         connman_config_free_entries(entries);
1092
1093         if (add_param_failed > 0)
1094                 DBG("Unable to scan %d out of %d SSIDs",
1095                                         add_param_failed, num_ssids);
1096
1097         g_strfreev(services);
1098
1099         return num_ssids;
1100 }
1101
1102 static int get_hidden_connections_params(struct wifi_data *wifi,
1103                                         GSupplicantScanParams *scan_params)
1104 {
1105         int driver_max_ssids, i;
1106         GSupplicantScanParams *orig_params;
1107
1108         /*
1109          * Scan hidden networks so that we can autoconnect to them.
1110          * We will assume 1 as a default number of ssid to scan.
1111          */
1112         driver_max_ssids = g_supplicant_interface_get_max_scan_ssids(
1113                                                         wifi->interface);
1114         if (driver_max_ssids == 0)
1115                 driver_max_ssids = 1;
1116
1117         DBG("max ssids %d", driver_max_ssids);
1118
1119         if (!wifi->scan_params) {
1120                 wifi->scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
1121                 if (!wifi->scan_params)
1122                         return 0;
1123
1124                 if (get_hidden_connections(wifi->scan_params) == 0) {
1125                         g_supplicant_free_scan_params(wifi->scan_params);
1126                         wifi->scan_params = NULL;
1127
1128                         return 0;
1129                 }
1130         }
1131
1132         orig_params = wifi->scan_params;
1133
1134         /* Let's transfer driver_max_ssids params */
1135         for (i = 0; i < driver_max_ssids; i++) {
1136                 struct scan_ssid *ssid;
1137
1138                 if (!wifi->scan_params->ssids)
1139                         break;
1140
1141                 ssid = orig_params->ssids->data;
1142                 orig_params->ssids = g_slist_remove(orig_params->ssids, ssid);
1143                 scan_params->ssids = g_slist_prepend(scan_params->ssids, ssid);
1144         }
1145
1146         if (i > 0) {
1147                 scan_params->num_ssids = i;
1148                 scan_params->ssids = g_slist_reverse(scan_params->ssids);
1149
1150                 scan_params->freqs = g_memdup(orig_params->freqs,
1151                                 sizeof(uint16_t) * orig_params->num_freqs);
1152                 if (!scan_params->freqs)
1153                         goto err;
1154
1155                 scan_params->num_freqs = orig_params->num_freqs;
1156
1157         } else
1158                 goto err;
1159
1160         orig_params->num_ssids -= scan_params->num_ssids;
1161
1162         return scan_params->num_ssids;
1163
1164 err:
1165         g_slist_free_full(scan_params->ssids, g_free);
1166         g_supplicant_free_scan_params(wifi->scan_params);
1167         wifi->scan_params = NULL;
1168
1169         return 0;
1170 }
1171
1172 static int throw_wifi_scan(struct connman_device *device,
1173                         GSupplicantInterfaceCallback callback)
1174 {
1175         struct wifi_data *wifi = connman_device_get_data(device);
1176         int ret;
1177
1178         if (!wifi)
1179                 return -ENODEV;
1180
1181         DBG("device %p %p", device, wifi->interface);
1182
1183         if (wifi->tethering)
1184                 return -EBUSY;
1185
1186         if (connman_device_get_scanning(device))
1187                 return -EALREADY;
1188
1189         connman_device_ref(device);
1190
1191         ret = g_supplicant_interface_scan(wifi->interface, NULL,
1192                                                 callback, device);
1193         if (ret == 0) {
1194                 connman_device_set_scanning(device,
1195                                 CONNMAN_SERVICE_TYPE_WIFI, true);
1196         } else
1197                 connman_device_unref(device);
1198
1199         return ret;
1200 }
1201
1202 static void hidden_free(struct hidden_params *hidden)
1203 {
1204         if (!hidden)
1205                 return;
1206
1207         if (hidden->scan_params)
1208                 g_supplicant_free_scan_params(hidden->scan_params);
1209         g_free(hidden->identity);
1210         g_free(hidden->passphrase);
1211         g_free(hidden->security);
1212         g_free(hidden);
1213 }
1214
1215 #if defined TIZEN_EXT
1216 static void service_state_changed(struct connman_service *service,
1217                                         enum connman_service_state state);
1218
1219 static int network_connect(struct connman_network *network);
1220
1221 static struct connman_notifier notifier = {
1222         .name                   = "wifi",
1223         .priority               = CONNMAN_NOTIFIER_PRIORITY_DEFAULT,
1224         .service_state_changed  = service_state_changed,
1225 };
1226
1227 static void service_state_changed(struct connman_service *service,
1228                                         enum connman_service_state state)
1229 {
1230         enum connman_service_type type;
1231
1232         type = connman_service_get_type(service);
1233         if (type != CONNMAN_SERVICE_TYPE_WIFI)
1234                 return;
1235
1236         DBG("service %p state %d", service, state);
1237
1238         switch (state) {
1239         case CONNMAN_SERVICE_STATE_READY:
1240         case CONNMAN_SERVICE_STATE_ONLINE:
1241         case CONNMAN_SERVICE_STATE_FAILURE:
1242                 connman_notifier_unregister(&notifier);
1243                 is_wifi_notifier_registered = FALSE;
1244
1245                 __connman_device_request_scan(type);
1246                 break;
1247
1248         default:
1249                 break;
1250         }
1251 }
1252 #endif
1253
1254 static void scan_callback(int result, GSupplicantInterface *interface,
1255                                                 void *user_data)
1256 {
1257         struct connman_device *device = user_data;
1258         struct wifi_data *wifi = connman_device_get_data(device);
1259         bool scanning;
1260
1261         DBG("result %d wifi %p", result, wifi);
1262
1263         if (wifi) {
1264                 if (wifi->hidden && !wifi->postpone_hidden) {
1265                         connman_network_clear_hidden(wifi->hidden->user_data);
1266                         hidden_free(wifi->hidden);
1267                         wifi->hidden = NULL;
1268                 }
1269
1270                 if (wifi->scan_params) {
1271                         g_supplicant_free_scan_params(wifi->scan_params);
1272                         wifi->scan_params = NULL;
1273                 }
1274         }
1275
1276         if (result < 0)
1277                 connman_device_reset_scanning(device);
1278
1279         /* User is connecting to a hidden AP, let's wait for finished event */
1280         if (wifi && wifi->hidden && wifi->postpone_hidden) {
1281                 GSupplicantScanParams *scan_params;
1282                 int ret;
1283
1284                 wifi->postpone_hidden = false;
1285                 scan_params = wifi->hidden->scan_params;
1286                 wifi->hidden->scan_params = NULL;
1287
1288                 reset_autoscan(device);
1289
1290                 ret = g_supplicant_interface_scan(wifi->interface, scan_params,
1291                                                         scan_callback, device);
1292                 if (ret == 0)
1293                         return;
1294
1295                 /* On error, let's recall scan_callback, which will cleanup */
1296                 return scan_callback(ret, interface, user_data);
1297         }
1298
1299         scanning = connman_device_get_scanning(device);
1300
1301         if (scanning) {
1302                 connman_device_set_scanning(device,
1303                                 CONNMAN_SERVICE_TYPE_WIFI, false);
1304         }
1305
1306         if (result != -ENOLINK)
1307 #if defined TIZEN_EXT
1308         if (result != -EIO)
1309 #endif
1310                 start_autoscan(device);
1311
1312         /*
1313          * If we are here then we were scanning; however, if we are
1314          * also mid-flight disabling the interface, then wifi_disable
1315          * has already cleared the device scanning state and
1316          * unreferenced the device, obviating the need to do it here.
1317          */
1318
1319         if (scanning)
1320                 connman_device_unref(device);
1321
1322 #if defined TIZEN_EXT
1323         if (wifi && wifi->scan_pending_network) {
1324                 network_connect(wifi->scan_pending_network);
1325                 wifi->scan_pending_network = NULL;
1326         }
1327
1328         if (is_wifi_notifier_registered != true &&
1329                         wifi_first_scan == true && found_with_first_scan == true) {
1330                 wifi_first_scan = false;
1331                 found_with_first_scan = false;
1332
1333                 connman_notifier_register(&notifier);
1334                 is_wifi_notifier_registered = true;
1335         }
1336 #endif
1337 }
1338
1339 static void scan_callback_hidden(int result,
1340                         GSupplicantInterface *interface, void *user_data)
1341 {
1342         struct connman_device *device = user_data;
1343         struct wifi_data *wifi = connman_device_get_data(device);
1344         GSupplicantScanParams *scan_params;
1345         int ret;
1346
1347         DBG("result %d wifi %p", result, wifi);
1348
1349         if (!wifi)
1350                 goto out;
1351
1352         /* User is trying to connect to a hidden AP */
1353         if (wifi->hidden && wifi->postpone_hidden)
1354                 goto out;
1355
1356         scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
1357         if (!scan_params)
1358                 goto out;
1359
1360         if (get_hidden_connections_params(wifi, scan_params) > 0) {
1361                 ret = g_supplicant_interface_scan(wifi->interface,
1362                                                         scan_params,
1363                                                         scan_callback_hidden,
1364                                                         device);
1365                 if (ret == 0)
1366                         return;
1367         }
1368
1369         g_supplicant_free_scan_params(scan_params);
1370
1371 out:
1372         scan_callback(result, interface, user_data);
1373 }
1374
1375 static gboolean autoscan_timeout(gpointer data)
1376 {
1377         struct connman_device *device = data;
1378         struct wifi_data *wifi = connman_device_get_data(device);
1379         struct autoscan_params *autoscan;
1380         int interval;
1381
1382         if (!wifi)
1383                 return FALSE;
1384
1385         autoscan = wifi->autoscan;
1386
1387         if (autoscan->interval <= 0) {
1388                 interval = autoscan->base;
1389                 goto set_interval;
1390         } else
1391                 interval = autoscan->interval * autoscan->base;
1392
1393 #if defined TIZEN_EXT
1394         if (autoscan->interval >= autoscan->limit)
1395 #else
1396         if (interval > autoscan->limit)
1397 #endif
1398                 interval = autoscan->limit;
1399
1400         throw_wifi_scan(wifi->device, scan_callback_hidden);
1401
1402 set_interval:
1403         DBG("interval %d", interval);
1404
1405         autoscan->interval = interval;
1406
1407         autoscan->timeout = g_timeout_add_seconds(interval,
1408                                                 autoscan_timeout, device);
1409
1410         return FALSE;
1411 }
1412
1413 static void start_autoscan(struct connman_device *device)
1414 {
1415         struct wifi_data *wifi = connman_device_get_data(device);
1416         struct autoscan_params *autoscan;
1417
1418         DBG("");
1419
1420         if (!wifi)
1421                 return;
1422
1423         if (wifi->p2p_device)
1424                 return;
1425
1426         if (wifi->connected)
1427                 return;
1428
1429         autoscan = wifi->autoscan;
1430         if (!autoscan)
1431                 return;
1432
1433         if (autoscan->timeout > 0 || autoscan->interval > 0)
1434                 return;
1435
1436         connman_device_ref(device);
1437
1438         autoscan_timeout(device);
1439 }
1440
1441 static struct autoscan_params *parse_autoscan_params(const char *params)
1442 {
1443         struct autoscan_params *autoscan;
1444         char **list_params;
1445         int limit;
1446         int base;
1447
1448         DBG("Emulating autoscan");
1449
1450         list_params = g_strsplit(params, ":", 0);
1451         if (list_params == 0)
1452                 return NULL;
1453
1454         if (g_strv_length(list_params) < 3) {
1455                 g_strfreev(list_params);
1456                 return NULL;
1457         }
1458
1459         base = atoi(list_params[1]);
1460         limit = atoi(list_params[2]);
1461
1462         g_strfreev(list_params);
1463
1464         autoscan = g_try_malloc0(sizeof(struct autoscan_params));
1465         if (!autoscan) {
1466                 DBG("Could not allocate memory for autoscan");
1467                 return NULL;
1468         }
1469
1470         DBG("base %d - limit %d", base, limit);
1471         autoscan->base = base;
1472         autoscan->limit = limit;
1473
1474         return autoscan;
1475 }
1476
1477 static void setup_autoscan(struct wifi_data *wifi)
1478 {
1479         if (!wifi->autoscan)
1480                 wifi->autoscan = parse_autoscan_params(AUTOSCAN_DEFAULT);
1481
1482         start_autoscan(wifi->device);
1483 }
1484
1485 static void finalize_interface_creation(struct wifi_data *wifi)
1486 {
1487         DBG("interface is ready wifi %p tethering %d", wifi, wifi->tethering);
1488
1489         if (!wifi->device) {
1490                 connman_error("WiFi device not set");
1491                 return;
1492         }
1493
1494         connman_device_set_powered(wifi->device, true);
1495
1496         if (!connman_setting_get_bool("BackgroundScanning"))
1497                 return;
1498
1499         if (wifi->p2p_device)
1500                 return;
1501
1502         setup_autoscan(wifi);
1503 }
1504
1505 static void interface_create_callback(int result,
1506                                         GSupplicantInterface *interface,
1507                                                         void *user_data)
1508 {
1509         struct wifi_data *wifi = user_data;
1510
1511         DBG("result %d ifname %s, wifi %p", result,
1512                                 g_supplicant_interface_get_ifname(interface),
1513                                 wifi);
1514
1515         if (result < 0 || !wifi)
1516                 return;
1517
1518         wifi->interface = interface;
1519         g_supplicant_interface_set_data(interface, wifi);
1520
1521         if (g_supplicant_interface_get_ready(interface)) {
1522                 wifi->interface_ready = true;
1523                 finalize_interface_creation(wifi);
1524         }
1525 }
1526
1527 static int wifi_enable(struct connman_device *device)
1528 {
1529         struct wifi_data *wifi = connman_device_get_data(device);
1530         int index;
1531         char *interface;
1532         const char *driver = connman_option_get_string("wifi");
1533         int ret;
1534
1535         DBG("device %p %p", device, wifi);
1536
1537         index = connman_device_get_index(device);
1538         if (!wifi || index < 0)
1539                 return -ENODEV;
1540
1541         if (is_p2p_connecting())
1542                 return -EINPROGRESS;
1543
1544         interface = connman_inet_ifname(index);
1545         ret = g_supplicant_interface_create(interface, driver, NULL,
1546                                                 interface_create_callback,
1547                                                         wifi);
1548         g_free(interface);
1549
1550         if (ret < 0)
1551                 return ret;
1552
1553         return -EINPROGRESS;
1554 }
1555
1556 static int wifi_disable(struct connman_device *device)
1557 {
1558         struct wifi_data *wifi = connman_device_get_data(device);
1559         int ret;
1560
1561         DBG("device %p wifi %p", device, wifi);
1562
1563         if (!wifi)
1564                 return -ENODEV;
1565
1566         wifi->connected = false;
1567         wifi->disconnecting = false;
1568
1569         if (wifi->pending_network)
1570                 wifi->pending_network = NULL;
1571
1572         stop_autoscan(device);
1573
1574         if (wifi->p2p_find_timeout) {
1575                 g_source_remove(wifi->p2p_find_timeout);
1576                 wifi->p2p_find_timeout = 0;
1577                 connman_device_set_scanning(device, CONNMAN_SERVICE_TYPE_P2P, false);
1578                 connman_device_unref(wifi->device);
1579         }
1580
1581         /* In case of a user scan, device is still referenced */
1582         if (connman_device_get_scanning(device)) {
1583                 connman_device_set_scanning(device,
1584                                 CONNMAN_SERVICE_TYPE_WIFI, false);
1585                 connman_device_unref(wifi->device);
1586         }
1587
1588         remove_networks(device, wifi);
1589
1590 #if defined TIZEN_EXT
1591         wifi->scan_pending_network = NULL;
1592         wifi->interface_disconnected_network = NULL;
1593
1594         if (is_wifi_notifier_registered == true) {
1595                 connman_notifier_unregister(&notifier);
1596                 is_wifi_notifier_registered = false;
1597         }
1598 #endif
1599
1600         ret = g_supplicant_interface_remove(wifi->interface, NULL, NULL);
1601         if (ret < 0)
1602                 return ret;
1603
1604         return -EINPROGRESS;
1605 }
1606
1607 struct last_connected {
1608         GTimeVal modified;
1609         gchar *ssid;
1610         int freq;
1611 };
1612
1613 static gint sort_entry(gconstpointer a, gconstpointer b, gpointer user_data)
1614 {
1615         GTimeVal *aval = (GTimeVal *)a;
1616         GTimeVal *bval = (GTimeVal *)b;
1617
1618         /* Note that the sort order is descending */
1619         if (aval->tv_sec < bval->tv_sec)
1620                 return 1;
1621
1622         if (aval->tv_sec > bval->tv_sec)
1623                 return -1;
1624
1625         return 0;
1626 }
1627
1628 static void free_entry(gpointer data)
1629 {
1630         struct last_connected *entry = data;
1631
1632         g_free(entry->ssid);
1633         g_free(entry);
1634 }
1635
1636 static int get_latest_connections(int max_ssids,
1637                                 GSupplicantScanParams *scan_data)
1638 {
1639         GSequenceIter *iter;
1640         GSequence *latest_list;
1641         struct last_connected *entry;
1642         GKeyFile *keyfile;
1643         GTimeVal modified;
1644         gchar **services;
1645         gchar *str;
1646         char *ssid;
1647         int i, freq;
1648         int num_ssids = 0;
1649
1650         latest_list = g_sequence_new(free_entry);
1651         if (!latest_list)
1652                 return -ENOMEM;
1653
1654         services = connman_storage_get_services();
1655         for (i = 0; services && services[i]; i++) {
1656                 if (strncmp(services[i], "wifi_", 5) != 0)
1657                         continue;
1658
1659                 keyfile = connman_storage_load_service(services[i]);
1660                 if (!keyfile)
1661                         continue;
1662
1663                 str = g_key_file_get_string(keyfile,
1664                                         services[i], "Favorite", NULL);
1665                 if (!str || g_strcmp0(str, "true")) {
1666                         g_free(str);
1667                         g_key_file_free(keyfile);
1668                         continue;
1669                 }
1670                 g_free(str);
1671
1672                 str = g_key_file_get_string(keyfile,
1673                                         services[i], "AutoConnect", NULL);
1674                 if (!str || g_strcmp0(str, "true")) {
1675                         g_free(str);
1676                         g_key_file_free(keyfile);
1677                         continue;
1678                 }
1679                 g_free(str);
1680
1681                 str = g_key_file_get_string(keyfile,
1682                                         services[i], "Modified", NULL);
1683                 if (!str) {
1684                         g_key_file_free(keyfile);
1685                         continue;
1686                 }
1687                 g_time_val_from_iso8601(str, &modified);
1688                 g_free(str);
1689
1690                 ssid = g_key_file_get_string(keyfile,
1691                                         services[i], "SSID", NULL);
1692
1693                 freq = g_key_file_get_integer(keyfile, services[i],
1694                                         "Frequency", NULL);
1695                 if (freq) {
1696                         entry = g_try_new(struct last_connected, 1);
1697                         if (!entry) {
1698                                 g_sequence_free(latest_list);
1699                                 g_key_file_free(keyfile);
1700                                 g_free(ssid);
1701                                 return -ENOMEM;
1702                         }
1703
1704                         entry->ssid = ssid;
1705                         entry->modified = modified;
1706                         entry->freq = freq;
1707
1708                         g_sequence_insert_sorted(latest_list, entry,
1709                                                 sort_entry, NULL);
1710                         num_ssids++;
1711                 } else
1712                         g_free(ssid);
1713
1714                 g_key_file_free(keyfile);
1715         }
1716
1717         g_strfreev(services);
1718
1719         num_ssids = num_ssids > max_ssids ? max_ssids : num_ssids;
1720
1721         iter = g_sequence_get_begin_iter(latest_list);
1722
1723         for (i = 0; i < num_ssids; i++) {
1724                 entry = g_sequence_get(iter);
1725
1726                 DBG("ssid %s freq %d modified %lu", entry->ssid, entry->freq,
1727                                                 entry->modified.tv_sec);
1728
1729                 add_scan_param(entry->ssid, NULL, 0, entry->freq, scan_data,
1730                                                 max_ssids, entry->ssid);
1731
1732                 iter = g_sequence_iter_next(iter);
1733         }
1734
1735         g_sequence_free(latest_list);
1736         return num_ssids;
1737 }
1738
1739 static int wifi_scan_simple(struct connman_device *device)
1740 {
1741         reset_autoscan(device);
1742
1743         return throw_wifi_scan(device, scan_callback_hidden);
1744 }
1745
1746 static gboolean p2p_find_stop(gpointer data)
1747 {
1748         struct connman_device *device = data;
1749         struct wifi_data *wifi = connman_device_get_data(device);
1750
1751         DBG("");
1752
1753         wifi->p2p_find_timeout = 0;
1754
1755         connman_device_set_scanning(device, CONNMAN_SERVICE_TYPE_P2P, false);
1756
1757         g_supplicant_interface_p2p_stop_find(wifi->interface);
1758
1759         connman_device_unref(device);
1760         reset_autoscan(device);
1761
1762         return FALSE;
1763 }
1764
1765 static void p2p_find_callback(int result, GSupplicantInterface *interface,
1766                                                         void *user_data)
1767 {
1768         struct connman_device *device = user_data;
1769         struct wifi_data *wifi = connman_device_get_data(device);
1770
1771         DBG("result %d wifi %p", result, wifi);
1772
1773         if (wifi->p2p_find_timeout) {
1774                 g_source_remove(wifi->p2p_find_timeout);
1775                 wifi->p2p_find_timeout = 0;
1776         }
1777
1778         if (result)
1779                 goto error;
1780
1781         wifi->p2p_find_timeout = g_timeout_add_seconds(P2P_FIND_TIMEOUT,
1782                                                         p2p_find_stop, device);
1783         if (!wifi->p2p_find_timeout)
1784                 goto error;
1785
1786         return;
1787 error:
1788         p2p_find_stop(device);
1789 }
1790
1791 static int p2p_find(struct connman_device *device)
1792 {
1793         struct wifi_data *wifi;
1794         int ret;
1795
1796         DBG("");
1797
1798         if (!p2p_technology)
1799                 return -ENOTSUP;
1800
1801         wifi = connman_device_get_data(device);
1802
1803         if (g_supplicant_interface_is_p2p_finding(wifi->interface))
1804                 return -EALREADY;
1805
1806         reset_autoscan(device);
1807         connman_device_ref(device);
1808
1809         ret = g_supplicant_interface_p2p_find(wifi->interface,
1810                                                 p2p_find_callback, device);
1811         if (ret) {
1812                 connman_device_unref(device);
1813                 start_autoscan(device);
1814         } else {
1815                 connman_device_set_scanning(device,
1816                                 CONNMAN_SERVICE_TYPE_P2P, true);
1817         }
1818
1819         return ret;
1820 }
1821
1822 /*
1823  * Note that the hidden scan is only used when connecting to this specific
1824  * hidden AP first time. It is not used when system autoconnects to hidden AP.
1825  */
1826 static int wifi_scan(enum connman_service_type type,
1827                         struct connman_device *device,
1828                         const char *ssid, unsigned int ssid_len,
1829                         const char *identity, const char* passphrase,
1830                         const char *security, void *user_data)
1831 {
1832         struct wifi_data *wifi = connman_device_get_data(device);
1833         GSupplicantScanParams *scan_params = NULL;
1834         struct scan_ssid *scan_ssid;
1835         struct hidden_params *hidden;
1836         int ret;
1837         int driver_max_ssids = 0;
1838         bool do_hidden;
1839         bool scanning;
1840
1841         if (!wifi)
1842                 return -ENODEV;
1843
1844         if (wifi->p2p_device)
1845                 return 0;
1846
1847         if (type == CONNMAN_SERVICE_TYPE_P2P)
1848                 return p2p_find(device);
1849
1850         DBG("device %p wifi %p hidden ssid %s", device, wifi->interface, ssid);
1851
1852         if (wifi->tethering)
1853                 return 0;
1854
1855         scanning = connman_device_get_scanning(device);
1856
1857         if (!ssid || ssid_len == 0 || ssid_len > 32) {
1858                 if (scanning)
1859                         return -EALREADY;
1860
1861                 driver_max_ssids = g_supplicant_interface_get_max_scan_ssids(
1862                                                         wifi->interface);
1863                 DBG("max ssids %d", driver_max_ssids);
1864                 if (driver_max_ssids == 0)
1865                         return wifi_scan_simple(device);
1866
1867                 do_hidden = false;
1868         } else {
1869                 if (scanning && wifi->hidden && wifi->postpone_hidden)
1870                         return -EALREADY;
1871
1872                 do_hidden = true;
1873         }
1874
1875         scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
1876         if (!scan_params)
1877                 return -ENOMEM;
1878
1879         if (do_hidden) {
1880                 scan_ssid = g_try_new(struct scan_ssid, 1);
1881                 if (!scan_ssid) {
1882                         g_free(scan_params);
1883                         return -ENOMEM;
1884                 }
1885
1886                 memcpy(scan_ssid->ssid, ssid, ssid_len);
1887                 scan_ssid->ssid_len = ssid_len;
1888                 scan_params->ssids = g_slist_prepend(scan_params->ssids,
1889                                                                 scan_ssid);
1890                 scan_params->num_ssids = 1;
1891
1892                 hidden = g_try_new0(struct hidden_params, 1);
1893                 if (!hidden) {
1894                         g_supplicant_free_scan_params(scan_params);
1895                         return -ENOMEM;
1896                 }
1897
1898                 if (wifi->hidden) {
1899                         hidden_free(wifi->hidden);
1900                         wifi->hidden = NULL;
1901                 }
1902
1903                 memcpy(hidden->ssid, ssid, ssid_len);
1904                 hidden->ssid_len = ssid_len;
1905                 hidden->identity = g_strdup(identity);
1906                 hidden->passphrase = g_strdup(passphrase);
1907                 hidden->security = g_strdup(security);
1908                 hidden->user_data = user_data;
1909                 wifi->hidden = hidden;
1910
1911                 if (scanning) {
1912                         /* Let's keep this active scan for later,
1913                          * when current scan will be over. */
1914                         wifi->postpone_hidden = TRUE;
1915                         hidden->scan_params = scan_params;
1916
1917                         return 0;
1918                 }
1919         } else if (wifi->connected) {
1920                 g_supplicant_free_scan_params(scan_params);
1921                 return wifi_scan_simple(device);
1922         } else {
1923                 ret = get_latest_connections(driver_max_ssids, scan_params);
1924                 if (ret <= 0) {
1925                         g_supplicant_free_scan_params(scan_params);
1926                         return wifi_scan_simple(device);
1927                 }
1928         }
1929
1930         connman_device_ref(device);
1931
1932         reset_autoscan(device);
1933
1934 #if defined TIZEN_EXT
1935         ret = g_supplicant_interface_scan(wifi->interface, NULL,
1936                                                 scan_callback_hidden, device);
1937 #else
1938         ret = g_supplicant_interface_scan(wifi->interface, scan_params,
1939                                                 scan_callback, device);
1940 #endif
1941         if (ret == 0) {
1942                 connman_device_set_scanning(device,
1943                                 CONNMAN_SERVICE_TYPE_WIFI, true);
1944         } else {
1945                 g_supplicant_free_scan_params(scan_params);
1946                 connman_device_unref(device);
1947
1948                 if (do_hidden) {
1949                         hidden_free(wifi->hidden);
1950                         wifi->hidden = NULL;
1951                 }
1952         }
1953
1954         return ret;
1955 }
1956
1957 static void wifi_regdom_callback(int result,
1958                                         const char *alpha2,
1959                                                 void *user_data)
1960 {
1961         struct connman_device *device = user_data;
1962
1963         connman_device_regdom_notify(device, result, alpha2);
1964
1965         connman_device_unref(device);
1966 }
1967
1968 static int wifi_set_regdom(struct connman_device *device, const char *alpha2)
1969 {
1970         struct wifi_data *wifi = connman_device_get_data(device);
1971         int ret;
1972
1973         if (!wifi)
1974                 return -EINVAL;
1975
1976         connman_device_ref(device);
1977
1978         ret = g_supplicant_interface_set_country(wifi->interface,
1979                                                 wifi_regdom_callback,
1980                                                         alpha2, device);
1981         if (ret != 0)
1982                 connman_device_unref(device);
1983
1984         return ret;
1985 }
1986
1987 static struct connman_device_driver wifi_ng_driver = {
1988         .name           = "wifi",
1989         .type           = CONNMAN_DEVICE_TYPE_WIFI,
1990         .priority       = CONNMAN_DEVICE_PRIORITY_LOW,
1991         .probe          = wifi_probe,
1992         .remove         = wifi_remove,
1993         .enable         = wifi_enable,
1994         .disable        = wifi_disable,
1995         .scan           = wifi_scan,
1996         .set_regdom     = wifi_set_regdom,
1997 };
1998
1999 static void system_ready(void)
2000 {
2001         DBG("");
2002
2003         if (connman_device_driver_register(&wifi_ng_driver) < 0)
2004                 connman_error("Failed to register WiFi driver");
2005 }
2006
2007 static void system_killed(void)
2008 {
2009         DBG("");
2010
2011         connman_device_driver_unregister(&wifi_ng_driver);
2012 }
2013
2014 static int network_probe(struct connman_network *network)
2015 {
2016         DBG("network %p", network);
2017
2018         return 0;
2019 }
2020
2021 static void network_remove(struct connman_network *network)
2022 {
2023         struct connman_device *device = connman_network_get_device(network);
2024         struct wifi_data *wifi;
2025
2026         DBG("network %p", network);
2027
2028         wifi = connman_device_get_data(device);
2029         if (!wifi)
2030                 return;
2031
2032         if (wifi->network != network)
2033                 return;
2034
2035         wifi->network = NULL;
2036
2037 #if defined TIZEN_EXT
2038         wifi->disconnecting = false;
2039
2040         if (wifi->pending_network == network)
2041                 wifi->pending_network = NULL;
2042
2043         if (wifi->scan_pending_network == network)
2044                 wifi->scan_pending_network = NULL;
2045
2046         if (wifi->interface_disconnected_network == network)
2047                 wifi->interface_disconnected_network = NULL;
2048 #endif
2049 }
2050
2051 static void connect_callback(int result, GSupplicantInterface *interface,
2052                                                         void *user_data)
2053 {
2054 #if defined TIZEN_EXT
2055         GList *list;
2056         struct wifi_data *wifi;
2057 #endif
2058         struct connman_network *network = user_data;
2059
2060         DBG("network %p result %d", network, result);
2061
2062 #if defined TIZEN_EXT
2063         for (list = iface_list; list; list = list->next) {
2064                 wifi = list->data;
2065
2066                 if (wifi && wifi->network == network)
2067                         goto found;
2068         }
2069
2070         /* wifi_data may be invalid because wifi is already disabled */
2071         return;
2072
2073 found:
2074         wifi->interface_disconnected_network = NULL;
2075 #endif
2076         if (result == -ENOKEY) {
2077                 connman_network_set_error(network,
2078                                         CONNMAN_NETWORK_ERROR_INVALID_KEY);
2079         } else if (result < 0) {
2080                 connman_network_set_error(network,
2081                                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
2082         }
2083
2084         connman_network_unref(network);
2085 }
2086
2087 static GSupplicantSecurity network_security(const char *security)
2088 {
2089         if (g_str_equal(security, "none"))
2090                 return G_SUPPLICANT_SECURITY_NONE;
2091         else if (g_str_equal(security, "wep"))
2092                 return G_SUPPLICANT_SECURITY_WEP;
2093         else if (g_str_equal(security, "psk"))
2094                 return G_SUPPLICANT_SECURITY_PSK;
2095         else if (g_str_equal(security, "wpa"))
2096                 return G_SUPPLICANT_SECURITY_PSK;
2097         else if (g_str_equal(security, "rsn"))
2098                 return G_SUPPLICANT_SECURITY_PSK;
2099         else if (g_str_equal(security, "ieee8021x"))
2100                 return G_SUPPLICANT_SECURITY_IEEE8021X;
2101
2102         return G_SUPPLICANT_SECURITY_UNKNOWN;
2103 }
2104
2105 static void ssid_init(GSupplicantSSID *ssid, struct connman_network *network)
2106 {
2107         const char *security;
2108
2109         memset(ssid, 0, sizeof(*ssid));
2110         ssid->mode = G_SUPPLICANT_MODE_INFRA;
2111         ssid->ssid = connman_network_get_blob(network, "WiFi.SSID",
2112                                                 &ssid->ssid_len);
2113         ssid->scan_ssid = 1;
2114         security = connman_network_get_string(network, "WiFi.Security");
2115         ssid->security = network_security(security);
2116         ssid->passphrase = connman_network_get_string(network,
2117                                                 "WiFi.Passphrase");
2118
2119         ssid->eap = connman_network_get_string(network, "WiFi.EAP");
2120
2121         /*
2122          * If our private key password is unset,
2123          * we use the supplied passphrase. That is needed
2124          * for PEAP where 2 passphrases (identity and client
2125          * cert may have to be provided.
2126          */
2127         if (!connman_network_get_string(network, "WiFi.PrivateKeyPassphrase"))
2128                 connman_network_set_string(network,
2129                                                 "WiFi.PrivateKeyPassphrase",
2130                                                 ssid->passphrase);
2131         /* We must have an identity for both PEAP and TLS */
2132         ssid->identity = connman_network_get_string(network, "WiFi.Identity");
2133
2134         /* Use agent provided identity as a fallback */
2135         if (!ssid->identity || strlen(ssid->identity) == 0)
2136                 ssid->identity = connman_network_get_string(network,
2137                                                         "WiFi.AgentIdentity");
2138
2139         ssid->ca_cert_path = connman_network_get_string(network,
2140                                                         "WiFi.CACertFile");
2141         ssid->client_cert_path = connman_network_get_string(network,
2142                                                         "WiFi.ClientCertFile");
2143         ssid->private_key_path = connman_network_get_string(network,
2144                                                         "WiFi.PrivateKeyFile");
2145         ssid->private_key_passphrase = connman_network_get_string(network,
2146                                                 "WiFi.PrivateKeyPassphrase");
2147         ssid->phase2_auth = connman_network_get_string(network, "WiFi.Phase2");
2148
2149         ssid->use_wps = connman_network_get_bool(network, "WiFi.UseWPS");
2150         ssid->pin_wps = connman_network_get_string(network, "WiFi.PinWPS");
2151
2152         if (connman_setting_get_bool("BackgroundScanning"))
2153                 ssid->bgscan = BGSCAN_DEFAULT;
2154 }
2155
2156 static int network_connect(struct connman_network *network)
2157 {
2158         struct connman_device *device = connman_network_get_device(network);
2159         struct wifi_data *wifi;
2160         GSupplicantInterface *interface;
2161         GSupplicantSSID *ssid;
2162
2163         DBG("network %p", network);
2164
2165         if (!device)
2166                 return -ENODEV;
2167
2168         wifi = connman_device_get_data(device);
2169         if (!wifi)
2170                 return -ENODEV;
2171
2172         ssid = g_try_malloc0(sizeof(GSupplicantSSID));
2173         if (!ssid)
2174                 return -ENOMEM;
2175
2176         interface = wifi->interface;
2177
2178         ssid_init(ssid, network);
2179
2180 #if defined TIZEN_EXT
2181         if (wifi->interface_disconnected_network == network) {
2182                 g_free(ssid);
2183                 throw_wifi_scan(device, scan_callback);
2184
2185                 if (wifi->disconnecting != TRUE) {
2186                         wifi->scan_pending_network = network;
2187                         wifi->interface_disconnected_network = NULL;
2188                 }
2189
2190                 return -EINPROGRESS;
2191         }
2192 #endif
2193
2194         if (wifi->disconnecting) {
2195                 wifi->pending_network = network;
2196                 g_free(ssid);
2197         } else {
2198                 wifi->network = connman_network_ref(network);
2199                 wifi->retries = 0;
2200 #if defined TIZEN_EXT
2201                 wifi->interface_disconnected_network = NULL;
2202                 wifi->scan_pending_network = NULL;
2203 #endif
2204
2205                 return g_supplicant_interface_connect(interface, ssid,
2206                                                 connect_callback, network);
2207         }
2208
2209         return -EINPROGRESS;
2210 }
2211
2212 static void disconnect_callback(int result, GSupplicantInterface *interface,
2213                                                                 void *user_data)
2214 {
2215 #if defined TIZEN_EXT
2216         GList *list;
2217         struct wifi_data *wifi;
2218         struct connman_network *network = user_data;
2219
2220         DBG("network %p result %d", network, result);
2221
2222         for (list = iface_list; list; list = list->next) {
2223                 wifi = list->data;
2224
2225                 if (wifi->network == NULL && wifi->disconnecting == true)
2226                         wifi->disconnecting = false;
2227
2228                 if (wifi->network == network)
2229                         goto found;
2230         }
2231
2232         /* wifi_data may be invalid because wifi is already disabled */
2233         return;
2234
2235 found:
2236 #else
2237         struct wifi_data *wifi = user_data;
2238 #endif
2239
2240         DBG("result %d supplicant interface %p wifi %p",
2241                         result, interface, wifi);
2242
2243         if (result == -ECONNABORTED) {
2244                 DBG("wifi interface no longer available");
2245                 return;
2246         }
2247
2248         if (wifi->network) {
2249                 /*
2250                  * if result < 0 supplican return an error because
2251                  * the network is not current.
2252                  * we wont receive G_SUPPLICANT_STATE_DISCONNECTED since it
2253                  * failed, call connman_network_set_connected to report
2254                  * disconnect is completed.
2255                  */
2256                 if (result < 0)
2257                         connman_network_set_connected(wifi->network, false);
2258         }
2259
2260         wifi->network = NULL;
2261
2262         wifi->disconnecting = false;
2263
2264         if (wifi->pending_network) {
2265                 network_connect(wifi->pending_network);
2266                 wifi->pending_network = NULL;
2267         }
2268
2269         start_autoscan(wifi->device);
2270 }
2271
2272 static int network_disconnect(struct connman_network *network)
2273 {
2274         struct connman_device *device = connman_network_get_device(network);
2275         struct wifi_data *wifi;
2276         int err;
2277 #if defined TIZEN_EXT
2278         struct connman_service *service;
2279 #endif
2280
2281         DBG("network %p", network);
2282
2283         wifi = connman_device_get_data(device);
2284         if (!wifi || !wifi->interface)
2285                 return -ENODEV;
2286
2287 #if defined TIZEN_EXT
2288         if (connman_network_get_associating(network) == true) {
2289                 connman_network_clear_associating(network);
2290                 connman_network_set_bool(network, "WiFi.UseWPS", false);
2291         } else {
2292                 service = connman_service_lookup_from_network(network);
2293
2294                 if (service != NULL &&
2295                         (__connman_service_is_connected_state(service,
2296                                         CONNMAN_IPCONFIG_TYPE_IPV4) == false &&
2297                         __connman_service_is_connected_state(service,
2298                                         CONNMAN_IPCONFIG_TYPE_IPV6) == false) &&
2299                         (connman_service_get_favorite(service) == false))
2300                                         __connman_service_set_passphrase(service, NULL);
2301         }
2302
2303         if (wifi->pending_network == network)
2304                 wifi->pending_network = NULL;
2305
2306         if (wifi->scan_pending_network == network)
2307                 wifi->scan_pending_network = NULL;
2308
2309         if (wifi->interface_disconnected_network == network)
2310                 wifi->interface_disconnected_network = NULL;
2311 #endif
2312         connman_network_set_associating(network, false);
2313
2314         if (wifi->disconnecting)
2315                 return -EALREADY;
2316
2317         wifi->disconnecting = true;
2318
2319 #if defined TIZEN_EXT
2320         err = g_supplicant_interface_disconnect(wifi->interface,
2321                                                 disconnect_callback, network);
2322 #else
2323         err = g_supplicant_interface_disconnect(wifi->interface,
2324                                                 disconnect_callback, wifi);
2325 #endif
2326
2327         if (err < 0)
2328                 wifi->disconnecting = false;
2329
2330         return err;
2331 }
2332
2333 static struct connman_network_driver network_driver = {
2334         .name           = "wifi",
2335         .type           = CONNMAN_NETWORK_TYPE_WIFI,
2336         .priority       = CONNMAN_NETWORK_PRIORITY_LOW,
2337         .probe          = network_probe,
2338         .remove         = network_remove,
2339         .connect        = network_connect,
2340         .disconnect     = network_disconnect,
2341 };
2342
2343 static void interface_added(GSupplicantInterface *interface)
2344 {
2345         const char *ifname = g_supplicant_interface_get_ifname(interface);
2346         const char *driver = g_supplicant_interface_get_driver(interface);
2347         struct wifi_data *wifi;
2348
2349         wifi = g_supplicant_interface_get_data(interface);
2350         if (!wifi) {
2351                 wifi = get_pending_wifi_data(ifname);
2352                 if (!wifi)
2353                         return;
2354
2355                 g_supplicant_interface_set_data(interface, wifi);
2356                 p2p_iface_list = g_list_append(p2p_iface_list, wifi);
2357                 wifi->p2p_device = true;
2358         }
2359
2360         DBG("ifname %s driver %s wifi %p tethering %d",
2361                         ifname, driver, wifi, wifi->tethering);
2362
2363         if (!wifi->device) {
2364                 connman_error("WiFi device not set");
2365                 return;
2366         }
2367
2368         connman_device_set_powered(wifi->device, true);
2369 }
2370
2371 static bool is_idle(struct wifi_data *wifi)
2372 {
2373         DBG("state %d", wifi->state);
2374
2375         switch (wifi->state) {
2376         case G_SUPPLICANT_STATE_UNKNOWN:
2377         case G_SUPPLICANT_STATE_DISABLED:
2378         case G_SUPPLICANT_STATE_DISCONNECTED:
2379         case G_SUPPLICANT_STATE_INACTIVE:
2380         case G_SUPPLICANT_STATE_SCANNING:
2381                 return true;
2382
2383         case G_SUPPLICANT_STATE_AUTHENTICATING:
2384         case G_SUPPLICANT_STATE_ASSOCIATING:
2385         case G_SUPPLICANT_STATE_ASSOCIATED:
2386         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2387         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2388         case G_SUPPLICANT_STATE_COMPLETED:
2389                 return false;
2390         }
2391
2392         return false;
2393 }
2394
2395 static bool is_idle_wps(GSupplicantInterface *interface,
2396                                                 struct wifi_data *wifi)
2397 {
2398         /* First, let's check if WPS processing did not went wrong */
2399         if (g_supplicant_interface_get_wps_state(interface) ==
2400                 G_SUPPLICANT_WPS_STATE_FAIL)
2401                 return false;
2402
2403         /* Unlike normal connection, being associated while processing wps
2404          * actually means that we are idling. */
2405         switch (wifi->state) {
2406         case G_SUPPLICANT_STATE_UNKNOWN:
2407         case G_SUPPLICANT_STATE_DISABLED:
2408         case G_SUPPLICANT_STATE_DISCONNECTED:
2409         case G_SUPPLICANT_STATE_INACTIVE:
2410         case G_SUPPLICANT_STATE_SCANNING:
2411         case G_SUPPLICANT_STATE_ASSOCIATED:
2412                 return true;
2413         case G_SUPPLICANT_STATE_AUTHENTICATING:
2414         case G_SUPPLICANT_STATE_ASSOCIATING:
2415         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2416         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2417         case G_SUPPLICANT_STATE_COMPLETED:
2418                 return false;
2419         }
2420
2421         return false;
2422 }
2423
2424 static bool handle_wps_completion(GSupplicantInterface *interface,
2425                                         struct connman_network *network,
2426                                         struct connman_device *device,
2427                                         struct wifi_data *wifi)
2428 {
2429         bool wps;
2430
2431         wps = connman_network_get_bool(network, "WiFi.UseWPS");
2432         if (wps) {
2433                 const unsigned char *ssid, *wps_ssid;
2434                 unsigned int ssid_len, wps_ssid_len;
2435                 const char *wps_key;
2436
2437                 /* Checking if we got associated with requested
2438                  * network */
2439                 ssid = connman_network_get_blob(network, "WiFi.SSID",
2440                                                 &ssid_len);
2441
2442                 wps_ssid = g_supplicant_interface_get_wps_ssid(
2443                         interface, &wps_ssid_len);
2444
2445                 if (!wps_ssid || wps_ssid_len != ssid_len ||
2446                                 memcmp(ssid, wps_ssid, ssid_len) != 0) {
2447                         connman_network_set_associating(network, false);
2448 #if defined TIZEN_EXT
2449                         g_supplicant_interface_disconnect(wifi->interface,
2450                                                 disconnect_callback, wifi->network);
2451
2452                         connman_network_set_bool(network, "WiFi.UseWPS", false);
2453                         connman_network_set_string(network, "WiFi.PinWPS", NULL);
2454 #else
2455                         g_supplicant_interface_disconnect(wifi->interface,
2456                                                 disconnect_callback, wifi);
2457 #endif
2458                         return false;
2459                 }
2460
2461                 wps_key = g_supplicant_interface_get_wps_key(interface);
2462                 connman_network_set_string(network, "WiFi.Passphrase",
2463                                         wps_key);
2464
2465                 connman_network_set_string(network, "WiFi.PinWPS", NULL);
2466         }
2467
2468         return true;
2469 }
2470
2471 static bool handle_4way_handshake_failure(GSupplicantInterface *interface,
2472                                         struct connman_network *network,
2473                                         struct wifi_data *wifi)
2474 {
2475 #if defined TIZEN_EXT
2476         const char *security;
2477         struct connman_service *service;
2478
2479         if (wifi->connected)
2480                 return false;
2481
2482         security = connman_network_get_string(network, "WiFi.Security");
2483
2484         if (g_str_equal(security, "ieee8021x") == true &&
2485                         wifi->state == G_SUPPLICANT_STATE_ASSOCIATED) {
2486                 wifi->retries = 0;
2487                 connman_network_set_error(network, CONNMAN_NETWORK_ERROR_INVALID_KEY);
2488
2489                 return false;
2490         }
2491
2492         if (wifi->state != G_SUPPLICANT_STATE_4WAY_HANDSHAKE)
2493                 return false;
2494 #else
2495         struct connman_service *service;
2496
2497         if (wifi->state != G_SUPPLICANT_STATE_4WAY_HANDSHAKE)
2498                 return false;
2499
2500         if (wifi->connected)
2501                 return false;
2502 #endif
2503
2504         service = connman_service_lookup_from_network(network);
2505         if (!service)
2506                 return false;
2507
2508         wifi->retries++;
2509
2510         if (connman_service_get_favorite(service)) {
2511                 if (wifi->retries < FAVORITE_MAXIMUM_RETRIES)
2512                         return true;
2513         }
2514
2515         wifi->retries = 0;
2516         connman_network_set_error(network, CONNMAN_NETWORK_ERROR_INVALID_KEY);
2517
2518 #if defined TIZEN_EXT
2519         /* not retry autoconnect in case of invalid-key error */
2520         __connman_service_set_autoconnect(service, false);
2521 #endif
2522
2523         return false;
2524 }
2525
2526 #if defined TIZEN_EXT
2527 static bool handle_wifi_assoc_retry(struct connman_network *network,
2528                                         struct wifi_data *wifi)
2529 {
2530         const char *security;
2531
2532         if (!wifi->network || wifi->connected || wifi->disconnecting ||
2533                         connman_network_get_connecting(network) != true) {
2534                 wifi->assoc_retry_count = 0;
2535                 return false;
2536         }
2537
2538         if (wifi->state != G_SUPPLICANT_STATE_ASSOCIATING &&
2539                         wifi->state != G_SUPPLICANT_STATE_ASSOCIATED) {
2540                 wifi->assoc_retry_count = 0;
2541                 return false;
2542         }
2543
2544         security = connman_network_get_string(network, "WiFi.Security");
2545         if (g_str_equal(security, "ieee8021x") == true &&
2546                         wifi->state == G_SUPPLICANT_STATE_ASSOCIATED) {
2547                 wifi->assoc_retry_count = 0;
2548                 return false;
2549         }
2550
2551         if (++wifi->assoc_retry_count >= TIZEN_ASSOC_RETRY_COUNT) {
2552                 wifi->assoc_retry_count = 0;
2553
2554                 /* Honestly it's not an invalid-key error,
2555                  * however QA team recommends that the invalid-key error
2556                  * might be better to display for user experience.
2557                  */
2558                 connman_network_set_error(network, CONNMAN_NETWORK_ERROR_INVALID_KEY);
2559
2560                 return false;
2561         }
2562
2563         return true;
2564 }
2565 #endif
2566
2567 static void interface_state(GSupplicantInterface *interface)
2568 {
2569         struct connman_network *network;
2570         struct connman_device *device;
2571         struct wifi_data *wifi;
2572         GSupplicantState state = g_supplicant_interface_get_state(interface);
2573         bool wps;
2574
2575         wifi = g_supplicant_interface_get_data(interface);
2576
2577         DBG("wifi %p interface state %d", wifi, state);
2578
2579         if (!wifi)
2580                 return;
2581
2582         device = wifi->device;
2583         if (!device)
2584                 return;
2585
2586         if (g_supplicant_interface_get_ready(interface) &&
2587                                         !wifi->interface_ready) {
2588                 wifi->interface_ready = true;
2589                 finalize_interface_creation(wifi);
2590         }
2591
2592         network = wifi->network;
2593         if (!network)
2594                 return;
2595
2596         switch (state) {
2597         case G_SUPPLICANT_STATE_SCANNING:
2598                 break;
2599
2600         case G_SUPPLICANT_STATE_AUTHENTICATING:
2601         case G_SUPPLICANT_STATE_ASSOCIATING:
2602 #if defined TIZEN_EXT
2603                 reset_autoscan(device);
2604 #else
2605                 stop_autoscan(device);
2606 #endif
2607
2608                 if (!wifi->connected)
2609                         connman_network_set_associating(network, true);
2610
2611                 break;
2612
2613         case G_SUPPLICANT_STATE_COMPLETED:
2614 #if defined TIZEN_EXT
2615                 /* though it should be already reset: */
2616                 reset_autoscan(device);
2617
2618                 wifi->assoc_retry_count = 0;
2619 #else
2620                 /* though it should be already stopped: */
2621                 stop_autoscan(device);
2622 #endif
2623
2624                 if (!handle_wps_completion(interface, network, device, wifi))
2625                         break;
2626
2627                 connman_network_set_connected(network, true);
2628                 break;
2629
2630         case G_SUPPLICANT_STATE_DISCONNECTED:
2631                 /*
2632                  * If we're in one of the idle modes, we have
2633                  * not started association yet and thus setting
2634                  * those ones to FALSE could cancel an association
2635                  * in progress.
2636                  */
2637                 wps = connman_network_get_bool(network, "WiFi.UseWPS");
2638                 if (wps)
2639                         if (is_idle_wps(interface, wifi))
2640                                 break;
2641
2642                 if (is_idle(wifi))
2643                         break;
2644
2645                 /* If previous state was 4way-handshake, then
2646                  * it's either: psk was incorrect and thus we retry
2647                  * or if we reach the maximum retries we declare the
2648                  * psk as wrong */
2649                 if (handle_4way_handshake_failure(interface,
2650                                                 network, wifi))
2651                         break;
2652
2653                 /* We disable the selected network, if not then
2654                  * wpa_supplicant will loop retrying */
2655                 if (g_supplicant_interface_enable_selected_network(interface,
2656                                                 FALSE) != 0)
2657                         DBG("Could not disables selected network");
2658
2659 #if defined TIZEN_EXT
2660                 /* Some of Wi-Fi networks are not comply Wi-Fi specification.
2661                  * Retry association until its retry count is expired */
2662                 if (handle_wifi_assoc_retry(network, wifi) == true) {
2663                         throw_wifi_scan(wifi->device, scan_callback);
2664                         wifi->scan_pending_network = wifi->network;
2665                         break;
2666                 }
2667
2668                 /* To avoid unnecessary repeated association in wpa_supplicant,
2669                  * "RemoveNetwork" should be made when Wi-Fi is disconnected */
2670                 if (wps != true && wifi->network && wifi->disconnecting == false) {
2671 #if 0 /* temporary disabled */
2672                         int err;
2673
2674                         wifi->disconnecting = true;
2675                         err = g_supplicant_interface_disconnect(wifi->interface,
2676                                                         disconnect_callback, wifi->network);
2677                         if (err < 0)
2678                                 wifi->disconnecting = false;
2679 #endif
2680
2681                         if (wifi->connected)
2682                                 wifi->interface_disconnected_network = wifi->network;
2683                         else
2684                                 wifi->interface_disconnected_network = NULL;
2685
2686                 connman_network_set_connected(network, false);
2687                 connman_network_set_associating(network, false);
2688
2689                 start_autoscan(device);
2690
2691                 break;
2692                 }
2693 #endif
2694
2695                 connman_network_set_connected(network, false);
2696                 connman_network_set_associating(network, false);
2697                 wifi->disconnecting = false;
2698
2699                 start_autoscan(device);
2700
2701                 break;
2702
2703         case G_SUPPLICANT_STATE_INACTIVE:
2704 #if defined TIZEN_EXT
2705                 if (handle_wps_completion(interface, network, device, wifi) == false)
2706                         break;
2707 #endif
2708                 connman_network_set_associating(network, false);
2709                 start_autoscan(device);
2710
2711                 break;
2712
2713         case G_SUPPLICANT_STATE_UNKNOWN:
2714         case G_SUPPLICANT_STATE_DISABLED:
2715         case G_SUPPLICANT_STATE_ASSOCIATED:
2716         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2717         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2718                 break;
2719         }
2720
2721         wifi->state = state;
2722
2723         /* Saving wpa_s state policy:
2724          * If connected and if the state changes are roaming related:
2725          * --> We stay connected
2726          * If completed
2727          * --> We are connected
2728          * All other case:
2729          * --> We are not connected
2730          * */
2731         switch (state) {
2732 #if defined TIZEN_EXT
2733         case G_SUPPLICANT_STATE_SCANNING:
2734                 break;
2735 #endif
2736         case G_SUPPLICANT_STATE_AUTHENTICATING:
2737         case G_SUPPLICANT_STATE_ASSOCIATING:
2738         case G_SUPPLICANT_STATE_ASSOCIATED:
2739         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2740         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2741                 if (wifi->connected)
2742                         connman_warn("Probably roaming right now!"
2743                                                 " Staying connected...");
2744                 else
2745                         wifi->connected = false;
2746                 break;
2747         case G_SUPPLICANT_STATE_COMPLETED:
2748                 wifi->connected = true;
2749                 break;
2750         default:
2751                 wifi->connected = false;
2752                 break;
2753         }
2754
2755         DBG("DONE");
2756 }
2757
2758 static void interface_removed(GSupplicantInterface *interface)
2759 {
2760         const char *ifname = g_supplicant_interface_get_ifname(interface);
2761         struct wifi_data *wifi;
2762
2763         DBG("ifname %s", ifname);
2764
2765         wifi = g_supplicant_interface_get_data(interface);
2766
2767         if (wifi)
2768                 wifi->interface = NULL;
2769
2770         if (wifi && wifi->tethering)
2771                 return;
2772
2773         if (!wifi || !wifi->device) {
2774                 DBG("wifi interface already removed");
2775                 return;
2776         }
2777
2778         connman_device_set_powered(wifi->device, false);
2779
2780         check_p2p_technology();
2781 }
2782
2783 static void set_device_type(const char *type, char dev_type[17])
2784 {
2785         const char *oui = "0050F204";
2786         const char *category = "0100";
2787         const char *sub_category = "0000";
2788
2789         if (!g_strcmp0(type, "handset")) {
2790                 category = "0A00";
2791                 sub_category = "0500";
2792         } else if (!g_strcmp0(type, "vm") || !g_strcmp0(type, "container"))
2793                 sub_category = "0100";
2794         else if (!g_strcmp0(type, "server"))
2795                 sub_category = "0200";
2796         else if (!g_strcmp0(type, "laptop"))
2797                 sub_category = "0500";
2798         else if (!g_strcmp0(type, "desktop"))
2799                 sub_category = "0600";
2800         else if (!g_strcmp0(type, "tablet"))
2801                 sub_category = "0900";
2802         else if (!g_strcmp0(type, "watch"))
2803                 category = "FF00";
2804
2805         snprintf(dev_type, 17, "%s%s%s", category, oui, sub_category);
2806 }
2807
2808 static void p2p_support(GSupplicantInterface *interface)
2809 {
2810         char dev_type[17] = {};
2811         const char *hostname;
2812
2813         DBG("");
2814
2815         if (!g_supplicant_interface_has_p2p(interface))
2816                 return;
2817
2818         if (connman_technology_driver_register(&p2p_tech_driver) < 0) {
2819                 DBG("Could not register P2P technology driver");
2820                 return;
2821         }
2822
2823         hostname = connman_utsname_get_hostname();
2824         if (!hostname)
2825                 hostname = "ConnMan";
2826
2827         set_device_type(connman_machine_get_type(), dev_type);
2828         g_supplicant_interface_set_p2p_device_config(interface,
2829                                                         hostname, dev_type);
2830         connman_peer_driver_register(&peer_driver);
2831 }
2832
2833 static void scan_started(GSupplicantInterface *interface)
2834 {
2835         DBG("");
2836 }
2837
2838 static void scan_finished(GSupplicantInterface *interface)
2839 {
2840 #if defined TIZEN_EXT
2841         struct wifi_data *wifi;
2842 #endif
2843
2844         DBG("");
2845
2846 #if defined TIZEN_EXT
2847         wifi = g_supplicant_interface_get_data(interface);
2848         if (wifi && wifi->scan_pending_network) {
2849                 network_connect(wifi->scan_pending_network);
2850                 wifi->scan_pending_network = NULL;
2851         }
2852 #endif
2853 }
2854
2855 static unsigned char calculate_strength(GSupplicantNetwork *supplicant_network)
2856 {
2857         unsigned char strength;
2858
2859         strength = 120 + g_supplicant_network_get_signal(supplicant_network);
2860         if (strength > 100)
2861                 strength = 100;
2862
2863         return strength;
2864 }
2865
2866 static void network_added(GSupplicantNetwork *supplicant_network)
2867 {
2868         struct connman_network *network;
2869         GSupplicantInterface *interface;
2870         struct wifi_data *wifi;
2871         const char *name, *identifier, *security, *group, *mode;
2872         const unsigned char *ssid;
2873         unsigned int ssid_len;
2874         bool wps;
2875         bool wps_pbc;
2876         bool wps_ready;
2877         bool wps_advertizing;
2878
2879         mode = g_supplicant_network_get_mode(supplicant_network);
2880         identifier = g_supplicant_network_get_identifier(supplicant_network);
2881
2882         DBG("%s", identifier);
2883
2884         if (!g_strcmp0(mode, "adhoc"))
2885                 return;
2886
2887         interface = g_supplicant_network_get_interface(supplicant_network);
2888         wifi = g_supplicant_interface_get_data(interface);
2889         name = g_supplicant_network_get_name(supplicant_network);
2890         security = g_supplicant_network_get_security(supplicant_network);
2891         group = g_supplicant_network_get_identifier(supplicant_network);
2892         wps = g_supplicant_network_get_wps(supplicant_network);
2893         wps_pbc = g_supplicant_network_is_wps_pbc(supplicant_network);
2894         wps_ready = g_supplicant_network_is_wps_active(supplicant_network);
2895         wps_advertizing = g_supplicant_network_is_wps_advertizing(
2896                                                         supplicant_network);
2897
2898         if (!wifi)
2899                 return;
2900
2901         ssid = g_supplicant_network_get_ssid(supplicant_network, &ssid_len);
2902
2903         network = connman_device_get_network(wifi->device, identifier);
2904
2905         if (!network) {
2906                 network = connman_network_create(identifier,
2907                                                 CONNMAN_NETWORK_TYPE_WIFI);
2908                 if (!network)
2909                         return;
2910
2911                 connman_network_set_index(network, wifi->index);
2912
2913                 if (connman_device_add_network(wifi->device, network) < 0) {
2914                         connman_network_unref(network);
2915                         return;
2916                 }
2917
2918                 wifi->networks = g_slist_prepend(wifi->networks, network);
2919         }
2920
2921         if (name && name[0] != '\0')
2922                 connman_network_set_name(network, name);
2923
2924         connman_network_set_blob(network, "WiFi.SSID",
2925                                                 ssid, ssid_len);
2926         connman_network_set_string(network, "WiFi.Security", security);
2927         connman_network_set_strength(network,
2928                                 calculate_strength(supplicant_network));
2929         connman_network_set_bool(network, "WiFi.WPS", wps);
2930
2931         if (wps) {
2932                 /* Is AP advertizing for WPS association?
2933                  * If so, we decide to use WPS by default */
2934                 if (wps_ready && wps_pbc &&
2935                                                 wps_advertizing)
2936                         connman_network_set_bool(network, "WiFi.UseWPS", true);
2937         }
2938
2939         connman_network_set_frequency(network,
2940                         g_supplicant_network_get_frequency(supplicant_network));
2941 #if defined TIZEN_EXT
2942         connman_network_set_bssid(network,
2943                         g_supplicant_network_get_bssid(supplicant_network));
2944         connman_network_set_maxrate(network,
2945                         g_supplicant_network_get_maxrate(supplicant_network));
2946         connman_network_set_enc_mode(network,
2947                         g_supplicant_network_get_enc_mode(supplicant_network));
2948 #endif
2949         connman_network_set_available(network, true);
2950         connman_network_set_string(network, "WiFi.Mode", mode);
2951
2952 #if defined TIZEN_EXT
2953         if (group)
2954 #else
2955         if (ssid)
2956 #endif
2957                 connman_network_set_group(network, group);
2958
2959 #if defined TIZEN_EXT
2960         if (wifi_first_scan == true)
2961                 found_with_first_scan = true;
2962 #endif
2963
2964         if (wifi->hidden && ssid) {
2965                 if (!g_strcmp0(wifi->hidden->security, security) &&
2966                                 wifi->hidden->ssid_len == ssid_len &&
2967                                 !memcmp(wifi->hidden->ssid, ssid, ssid_len)) {
2968                         connman_network_connect_hidden(network,
2969                                         wifi->hidden->identity,
2970                                         wifi->hidden->passphrase,
2971                                         wifi->hidden->user_data);
2972                         wifi->hidden->user_data = NULL;
2973                         hidden_free(wifi->hidden);
2974                         wifi->hidden = NULL;
2975                 }
2976         }
2977 }
2978
2979 static void network_removed(GSupplicantNetwork *network)
2980 {
2981         GSupplicantInterface *interface;
2982         struct wifi_data *wifi;
2983         const char *name, *identifier;
2984         struct connman_network *connman_network;
2985
2986         interface = g_supplicant_network_get_interface(network);
2987         wifi = g_supplicant_interface_get_data(interface);
2988         identifier = g_supplicant_network_get_identifier(network);
2989         name = g_supplicant_network_get_name(network);
2990
2991         DBG("name %s", name);
2992
2993         if (!wifi)
2994                 return;
2995
2996         connman_network = connman_device_get_network(wifi->device, identifier);
2997         if (!connman_network)
2998                 return;
2999
3000 #if defined TIZEN_EXT
3001         if (connman_network == wifi->scan_pending_network)
3002                 wifi->scan_pending_network = NULL;
3003
3004         if (connman_network == wifi->interface_disconnected_network)
3005                 wifi->interface_disconnected_network = NULL;
3006 #endif
3007
3008         wifi->networks = g_slist_remove(wifi->networks, connman_network);
3009
3010         connman_device_remove_network(wifi->device, connman_network);
3011         connman_network_unref(connman_network);
3012 }
3013
3014 static void network_changed(GSupplicantNetwork *network, const char *property)
3015 {
3016         GSupplicantInterface *interface;
3017         struct wifi_data *wifi;
3018         const char *name, *identifier;
3019         struct connman_network *connman_network;
3020
3021 #if defined TIZEN_EXT
3022         const unsigned char *bssid;
3023         unsigned int maxrate;
3024         uint16_t frequency;
3025 #endif
3026
3027         interface = g_supplicant_network_get_interface(network);
3028         wifi = g_supplicant_interface_get_data(interface);
3029         identifier = g_supplicant_network_get_identifier(network);
3030         name = g_supplicant_network_get_name(network);
3031
3032         DBG("name %s", name);
3033
3034         if (!wifi)
3035                 return;
3036
3037         connman_network = connman_device_get_network(wifi->device, identifier);
3038         if (!connman_network)
3039                 return;
3040
3041         if (g_str_equal(property, "Signal")) {
3042                connman_network_set_strength(connman_network,
3043                                         calculate_strength(network));
3044                connman_network_update(connman_network);
3045         }
3046
3047 #if defined TIZEN_EXT
3048         bssid = g_supplicant_network_get_bssid(network);
3049         maxrate = g_supplicant_network_get_maxrate(network);
3050         frequency = g_supplicant_network_get_frequency(network);
3051
3052         connman_network_set_bssid(connman_network, bssid);
3053         connman_network_set_maxrate(connman_network, maxrate);
3054         connman_network_set_frequency(connman_network, frequency);
3055 #endif
3056 }
3057
3058 static void apply_peer_services(GSupplicantPeer *peer,
3059                                 struct connman_peer *connman_peer)
3060 {
3061         const unsigned char *data;
3062         int length;
3063
3064         DBG("");
3065
3066         connman_peer_reset_services(connman_peer);
3067
3068         data = g_supplicant_peer_get_widi_ies(peer, &length);
3069         if (data) {
3070                 connman_peer_add_service(connman_peer,
3071                         CONNMAN_PEER_SERVICE_WIFI_DISPLAY, data, length);
3072         }
3073 }
3074
3075 static void add_station(const char *mac)
3076 {
3077         connman_technology_tethering_add_station(CONNMAN_SERVICE_TYPE_WIFI,
3078                                                  mac);
3079 }
3080
3081 static void remove_station(const char *mac)
3082 {
3083         connman_technology_tethering_remove_station(mac);
3084 }
3085
3086 static void peer_found(GSupplicantPeer *peer)
3087 {
3088         GSupplicantInterface *iface = g_supplicant_peer_get_interface(peer);
3089         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
3090         struct connman_peer *connman_peer;
3091         const char *identifier, *name;
3092         int ret;
3093
3094         identifier = g_supplicant_peer_get_identifier(peer);
3095         name = g_supplicant_peer_get_name(peer);
3096
3097         DBG("ident: %s", identifier);
3098
3099         connman_peer = connman_peer_get(wifi->device, identifier);
3100         if (connman_peer)
3101                 return;
3102
3103         connman_peer = connman_peer_create(identifier);
3104         connman_peer_set_name(connman_peer, name);
3105         connman_peer_set_device(connman_peer, wifi->device);
3106         apply_peer_services(peer, connman_peer);
3107
3108         ret = connman_peer_register(connman_peer);
3109         if (ret < 0 && ret != -EALREADY)
3110                 connman_peer_unref(connman_peer);
3111 }
3112
3113 static void peer_lost(GSupplicantPeer *peer)
3114 {
3115         GSupplicantInterface *iface = g_supplicant_peer_get_interface(peer);
3116         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
3117         struct connman_peer *connman_peer;
3118         const char *identifier;
3119
3120         if (!wifi)
3121                 return;
3122
3123         identifier = g_supplicant_peer_get_identifier(peer);
3124
3125         DBG("ident: %s", identifier);
3126
3127         connman_peer = connman_peer_get(wifi->device, identifier);
3128         if (connman_peer) {
3129                 if (wifi->p2p_connecting &&
3130                                 wifi->pending_peer == connman_peer) {
3131                         peer_connect_timeout(wifi);
3132                 }
3133                 connman_peer_unregister(connman_peer);
3134                 connman_peer_unref(connman_peer);
3135         }
3136 }
3137
3138 static void peer_changed(GSupplicantPeer *peer, GSupplicantPeerState state)
3139 {
3140         GSupplicantInterface *iface = g_supplicant_peer_get_interface(peer);
3141         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
3142         enum connman_peer_state p_state = CONNMAN_PEER_STATE_UNKNOWN;
3143         struct connman_peer *connman_peer;
3144         const char *identifier;
3145
3146         identifier = g_supplicant_peer_get_identifier(peer);
3147
3148         DBG("ident: %s", identifier);
3149
3150         connman_peer = connman_peer_get(wifi->device, identifier);
3151         if (!connman_peer)
3152                 return;
3153
3154         switch (state) {
3155         case G_SUPPLICANT_PEER_SERVICES_CHANGED:
3156                 apply_peer_services(peer, connman_peer);
3157                 connman_peer_services_changed(connman_peer);
3158                 return;
3159         case G_SUPPLICANT_PEER_GROUP_CHANGED:
3160                 if (!g_supplicant_peer_is_in_a_group(peer))
3161                         p_state = CONNMAN_PEER_STATE_IDLE;
3162                 else
3163                         p_state = CONNMAN_PEER_STATE_CONFIGURATION;
3164                 break;
3165         case G_SUPPLICANT_PEER_GROUP_STARTED:
3166                 break;
3167         case G_SUPPLICANT_PEER_GROUP_FINISHED:
3168                 p_state = CONNMAN_PEER_STATE_IDLE;
3169                 break;
3170         case G_SUPPLICANT_PEER_GROUP_JOINED:
3171                 connman_peer_set_iface_address(connman_peer,
3172                                 g_supplicant_peer_get_iface_address(peer));
3173                 break;
3174         case G_SUPPLICANT_PEER_GROUP_DISCONNECTED:
3175                 p_state = CONNMAN_PEER_STATE_IDLE;
3176                 break;
3177         case G_SUPPLICANT_PEER_GROUP_FAILED:
3178                 if (g_supplicant_peer_has_requested_connection(peer))
3179                         p_state = CONNMAN_PEER_STATE_IDLE;
3180                 else
3181                         p_state = CONNMAN_PEER_STATE_FAILURE;
3182                 break;
3183         }
3184
3185         if (p_state == CONNMAN_PEER_STATE_CONFIGURATION ||
3186                                         p_state == CONNMAN_PEER_STATE_FAILURE) {
3187                 if (wifi->p2p_connecting
3188                                 && connman_peer == wifi->pending_peer)
3189                         peer_cancel_timeout(wifi);
3190                 else
3191                         p_state = CONNMAN_PEER_STATE_UNKNOWN;
3192         }
3193
3194         if (p_state == CONNMAN_PEER_STATE_UNKNOWN)
3195                 return;
3196
3197         if (p_state == CONNMAN_PEER_STATE_CONFIGURATION) {
3198                 GSupplicantInterface *g_iface;
3199                 struct wifi_data *g_wifi;
3200
3201                 g_iface = g_supplicant_peer_get_group_interface(peer);
3202                 if (!g_iface)
3203                         return;
3204
3205                 g_wifi = g_supplicant_interface_get_data(g_iface);
3206                 if (!g_wifi)
3207                         return;
3208
3209                 connman_peer_set_as_master(connman_peer,
3210                                         !g_supplicant_peer_is_client(peer));
3211                 connman_peer_set_sub_device(connman_peer, g_wifi->device);
3212         }
3213
3214         connman_peer_set_state(connman_peer, p_state);
3215 }
3216
3217 static void peer_request(GSupplicantPeer *peer)
3218 {
3219         GSupplicantInterface *iface = g_supplicant_peer_get_interface(peer);
3220         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
3221         struct connman_peer *connman_peer;
3222         const char *identifier;
3223
3224         identifier = g_supplicant_peer_get_identifier(peer);
3225
3226         DBG("ident: %s", identifier);
3227
3228         connman_peer = connman_peer_get(wifi->device, identifier);
3229         if (!connman_peer)
3230                 return;
3231
3232         connman_peer_request_connection(connman_peer);
3233 }
3234
3235 #if defined TIZEN_EXT
3236 static void network_merged(GSupplicantNetwork *network)
3237 {
3238         GSupplicantInterface *interface;
3239         GSupplicantState state;
3240         struct wifi_data *wifi;
3241         const char *identifier;
3242         struct connman_network *connman_network;
3243         unsigned int ishs20AP = 0;
3244         char *temp = NULL;
3245
3246         interface = g_supplicant_network_get_interface(network);
3247         if (!interface)
3248                 return;
3249
3250         state = g_supplicant_interface_get_state(interface);
3251         if (state < G_SUPPLICANT_STATE_AUTHENTICATING)
3252                 return;
3253
3254         wifi = g_supplicant_interface_get_data(interface);
3255         if (!wifi)
3256                 return;
3257
3258         identifier = g_supplicant_network_get_identifier(network);
3259
3260         connman_network = connman_device_get_network(wifi->device, identifier);
3261         if (!connman_network)
3262                 return;
3263
3264         DBG("merged identifier %s", identifier);
3265
3266         if (wifi->connected == FALSE) {
3267                 switch (state) {
3268                 case G_SUPPLICANT_STATE_AUTHENTICATING:
3269                 case G_SUPPLICANT_STATE_ASSOCIATING:
3270                 case G_SUPPLICANT_STATE_ASSOCIATED:
3271                 case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
3272                 case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
3273                         connman_network_set_associating(connman_network, TRUE);
3274                         break;
3275                 case G_SUPPLICANT_STATE_COMPLETED:
3276                         connman_network_set_connected(connman_network, TRUE);
3277                         break;
3278                 default:
3279                         DBG("Not handled the state : %d", state);
3280                         break;
3281                 }
3282         }
3283
3284         ishs20AP = g_supplicant_network_is_hs20AP(network);
3285         connman_network_set_is_hs20AP(connman_network, ishs20AP);
3286
3287         if (ishs20AP &&
3288                 g_strcmp0(g_supplicant_network_get_security(network), "ieee8021x") == 0) {
3289                 temp = g_ascii_strdown(g_supplicant_network_get_eap(network), -1);
3290                 connman_network_set_string(connman_network, "WiFi.EAP",
3291                                 temp);
3292                 connman_network_set_string(connman_network, "WiFi.Identity",
3293                                 g_supplicant_network_get_identity(network));
3294                 connman_network_set_string(connman_network, "WiFi.Phase2",
3295                                 g_supplicant_network_get_phase2(network));
3296
3297                 g_free(temp);
3298         }
3299
3300         wifi->network = connman_network;
3301 }
3302 #endif
3303
3304 static void debug(const char *str)
3305 {
3306         if (getenv("CONNMAN_SUPPLICANT_DEBUG"))
3307                 connman_debug("%s", str);
3308 }
3309
3310 static const GSupplicantCallbacks callbacks = {
3311         .system_ready           = system_ready,
3312         .system_killed          = system_killed,
3313         .interface_added        = interface_added,
3314         .interface_state        = interface_state,
3315         .interface_removed      = interface_removed,
3316         .p2p_support            = p2p_support,
3317         .scan_started           = scan_started,
3318         .scan_finished          = scan_finished,
3319         .network_added          = network_added,
3320         .network_removed        = network_removed,
3321         .network_changed        = network_changed,
3322         .add_station            = add_station,
3323         .remove_station         = remove_station,
3324         .peer_found             = peer_found,
3325         .peer_lost              = peer_lost,
3326         .peer_changed           = peer_changed,
3327         .peer_request           = peer_request,
3328 #if defined TIZEN_EXT
3329         .network_merged = network_merged,
3330 #endif
3331         .debug                  = debug,
3332 };
3333
3334
3335 static int tech_probe(struct connman_technology *technology)
3336 {
3337         wifi_technology = technology;
3338
3339         return 0;
3340 }
3341
3342 static void tech_remove(struct connman_technology *technology)
3343 {
3344         wifi_technology = NULL;
3345 }
3346
3347 struct wifi_tethering_info {
3348         struct wifi_data *wifi;
3349         struct connman_technology *technology;
3350         char *ifname;
3351         GSupplicantSSID *ssid;
3352 };
3353
3354 static GSupplicantSSID *ssid_ap_init(const char *ssid,
3355                 const char *passphrase, bool hidden)
3356 {
3357         GSupplicantSSID *ap;
3358
3359         ap = g_try_malloc0(sizeof(GSupplicantSSID));
3360         if (!ap)
3361                 return NULL;
3362
3363         ap->mode = G_SUPPLICANT_MODE_MASTER;
3364         ap->ssid = ssid;
3365         ap->ssid_len = strlen(ssid);
3366         ap->scan_ssid = 0;
3367         ap->freq = 2412;
3368
3369         if (!passphrase || strlen(passphrase) == 0) {
3370                 ap->security = G_SUPPLICANT_SECURITY_NONE;
3371                 ap->passphrase = NULL;
3372         } else {
3373                ap->security = G_SUPPLICANT_SECURITY_PSK;
3374                ap->protocol = G_SUPPLICANT_PROTO_RSN;
3375                ap->pairwise_cipher = G_SUPPLICANT_PAIRWISE_CCMP;
3376                ap->group_cipher = G_SUPPLICANT_GROUP_CCMP;
3377                ap->passphrase = passphrase;
3378         }
3379
3380         if (hidden)
3381                 ap->ignore_broadcast_ssid =
3382                                 G_SUPPLICANT_AP_HIDDEN_SSID_ZERO_CONTENTS;
3383         else
3384                 ap->ignore_broadcast_ssid = G_SUPPLICANT_AP_NO_SSID_HIDING;
3385
3386         return ap;
3387 }
3388
3389 static void ap_start_callback(int result, GSupplicantInterface *interface,
3390                                                         void *user_data)
3391 {
3392         struct wifi_tethering_info *info = user_data;
3393
3394         DBG("result %d index %d bridge %s",
3395                 result, info->wifi->index, info->wifi->bridge);
3396
3397         if (result < 0) {
3398                 connman_inet_remove_from_bridge(info->wifi->index,
3399                                                         info->wifi->bridge);
3400                 connman_technology_tethering_notify(info->technology, false);
3401         }
3402
3403         g_free(info->ifname);
3404         g_free(info);
3405 }
3406
3407 static void ap_create_callback(int result,
3408                                 GSupplicantInterface *interface,
3409                                         void *user_data)
3410 {
3411         struct wifi_tethering_info *info = user_data;
3412
3413         DBG("result %d ifname %s", result,
3414                                 g_supplicant_interface_get_ifname(interface));
3415
3416         if (result < 0) {
3417                 connman_inet_remove_from_bridge(info->wifi->index,
3418                                                         info->wifi->bridge);
3419                 connman_technology_tethering_notify(info->technology, false);
3420
3421                 g_free(info->ifname);
3422                 g_free(info->ssid);
3423                 g_free(info);
3424                 return;
3425         }
3426
3427         info->wifi->interface = interface;
3428         g_supplicant_interface_set_data(interface, info->wifi);
3429
3430         if (g_supplicant_interface_set_apscan(interface, 2) < 0)
3431                 connman_error("Failed to set interface ap_scan property");
3432
3433         g_supplicant_interface_connect(interface, info->ssid,
3434                                                 ap_start_callback, info);
3435 }
3436
3437 static void sta_remove_callback(int result,
3438                                 GSupplicantInterface *interface,
3439                                         void *user_data)
3440 {
3441         struct wifi_tethering_info *info = user_data;
3442         const char *driver = connman_option_get_string("wifi");
3443
3444         DBG("ifname %s result %d ", info->ifname, result);
3445
3446         if (result < 0) {
3447                 info->wifi->tethering = true;
3448
3449                 g_free(info->ifname);
3450                 g_free(info->ssid);
3451                 g_free(info);
3452                 return;
3453         }
3454
3455         info->wifi->interface = NULL;
3456
3457         connman_technology_tethering_notify(info->technology, true);
3458
3459         g_supplicant_interface_create(info->ifname, driver, info->wifi->bridge,
3460                                                 ap_create_callback,
3461                                                         info);
3462 }
3463
3464 static int tech_set_tethering(struct connman_technology *technology,
3465                                 const char *identifier, const char *passphrase,
3466                                 const char *bridge, bool enabled, bool hidden)
3467 {
3468         GList *list;
3469         GSupplicantInterface *interface;
3470         struct wifi_data *wifi;
3471         struct wifi_tethering_info *info;
3472         const char *ifname;
3473         unsigned int mode;
3474         int err;
3475
3476         DBG("");
3477
3478         if (!enabled) {
3479                 for (list = iface_list; list; list = list->next) {
3480                         wifi = list->data;
3481
3482                         if (wifi->tethering) {
3483                                 wifi->tethering = false;
3484
3485                                 connman_inet_remove_from_bridge(wifi->index,
3486                                                                         bridge);
3487                                 wifi->bridged = false;
3488                         }
3489                 }
3490
3491                 connman_technology_tethering_notify(technology, false);
3492
3493                 return 0;
3494         }
3495
3496         for (list = iface_list; list; list = list->next) {
3497                 wifi = list->data;
3498
3499                 interface = wifi->interface;
3500
3501                 if (!interface)
3502                         continue;
3503
3504                 ifname = g_supplicant_interface_get_ifname(wifi->interface);
3505
3506                 mode = g_supplicant_interface_get_mode(interface);
3507                 if ((mode & G_SUPPLICANT_CAPABILITY_MODE_AP) == 0) {
3508                         DBG("%s does not support AP mode", ifname);
3509                         continue;
3510                 }
3511
3512                 info = g_try_malloc0(sizeof(struct wifi_tethering_info));
3513                 if (!info)
3514                         return -ENOMEM;
3515
3516                 info->wifi = wifi;
3517                 info->technology = technology;
3518                 info->wifi->bridge = bridge;
3519                 info->ssid = ssid_ap_init(identifier, passphrase, hidden);
3520                 if (!info->ssid) {
3521                         g_free(info);
3522                         continue;
3523                 }
3524                 info->ifname = g_strdup(ifname);
3525                 if (!info->ifname) {
3526                         g_free(info->ssid);
3527                         g_free(info);
3528                         continue;
3529                 }
3530
3531                 info->wifi->tethering = true;
3532
3533                 err = g_supplicant_interface_remove(interface,
3534                                                 sta_remove_callback,
3535                                                         info);
3536                 if (err == 0)
3537                         return err;
3538         }
3539
3540         return -EOPNOTSUPP;
3541 }
3542
3543 static void regdom_callback(int result, const char *alpha2, void *user_data)
3544 {
3545         DBG("");
3546
3547         if (!wifi_technology)
3548                 return;
3549
3550         if (result != 0)
3551                 alpha2 = NULL;
3552
3553         connman_technology_regdom_notify(wifi_technology, alpha2);
3554 }
3555
3556 static int tech_set_regdom(struct connman_technology *technology, const char *alpha2)
3557 {
3558         return g_supplicant_set_country(alpha2, regdom_callback, NULL);
3559 }
3560
3561 static struct connman_technology_driver tech_driver = {
3562         .name           = "wifi",
3563         .type           = CONNMAN_SERVICE_TYPE_WIFI,
3564         .probe          = tech_probe,
3565         .remove         = tech_remove,
3566         .set_tethering  = tech_set_tethering,
3567         .set_regdom     = tech_set_regdom,
3568 };
3569
3570 static int wifi_init(void)
3571 {
3572         int err;
3573
3574         err = connman_network_driver_register(&network_driver);
3575         if (err < 0)
3576                 return err;
3577
3578         err = g_supplicant_register(&callbacks);
3579         if (err < 0) {
3580                 connman_network_driver_unregister(&network_driver);
3581                 return err;
3582         }
3583
3584         err = connman_technology_driver_register(&tech_driver);
3585         if (err < 0) {
3586                 g_supplicant_unregister(&callbacks);
3587                 connman_network_driver_unregister(&network_driver);
3588                 return err;
3589         }
3590
3591         return 0;
3592 }
3593
3594 static void wifi_exit(void)
3595 {
3596         DBG();
3597
3598         connman_technology_driver_unregister(&tech_driver);
3599
3600         g_supplicant_unregister(&callbacks);
3601
3602         connman_network_driver_unregister(&network_driver);
3603 }
3604
3605 CONNMAN_PLUGIN_DEFINE(wifi, "WiFi interface plugin", VERSION,
3606                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, wifi_init, wifi_exit)