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 *scan_pending_network;
 134         bool allow_full_scan;
 135 #endif
 136         int disconnect_code;
 137 };
 138
 139 #if defined TIZEN_EXT
 140 #include "connman.h"
 141
 142 #define TIZEN_ASSOC_RETRY_COUNT         4
 143
 144 static gboolean wifi_first_scan = false;
 145 static gboolean found_with_first_scan = false;
 146 static gboolean is_wifi_notifier_registered = false;
 147 #endif
 148
 149
 150 static GList *iface_list = NULL;
 151
 152 static GList *pending_wifi_device = NULL;
 153 static GList *p2p_iface_list = NULL;
 154 bool wfd_service_registered = false;
 155
 156 static void start_autoscan(struct connman_device *device);
 157
 158 static int p2p_tech_probe(struct connman_technology *technology)
 159 {
 160         p2p_technology = technology;
 161
 162         return 0;
 163 }
 164
 165 static void p2p_tech_remove(struct connman_technology *technology)
 166 {
 167         p2p_technology = NULL;
 168 }
 169
 170 static struct connman_technology_driver p2p_tech_driver = {
 171         .name           = "p2p",
 172         .type           = CONNMAN_SERVICE_TYPE_P2P,
 173         .probe          = p2p_tech_probe,
 174         .remove         = p2p_tech_remove,
 175 };
 176
 177 static bool is_p2p_connecting(void)
 178 {
 179         GList *list;
 180
 181         for (list = iface_list; list; list = list->next) {
 182                 struct wifi_data *wifi = list->data;
 183
 184                 if (wifi->p2p_connecting)
 185                         return true;
 186         }
 187
 188         return false;
 189 }
 190
 191 static void add_pending_wifi_device(struct wifi_data *wifi)
 192 {
 193         if (g_list_find(pending_wifi_device, wifi))
 194                 return;
 195
 196         pending_wifi_device = g_list_append(pending_wifi_device, wifi);
 197 }
 198
 199 static struct wifi_data *get_pending_wifi_data(const char *ifname)
 200 {
 201         GList *list;
 202
 203         for (list = pending_wifi_device; list; list = list->next) {
 204                 struct wifi_data *wifi;
 205                 const char *dev_name;
 206
 207                 wifi = list->data;
 208                 if (!wifi || !wifi->device)
 209                         continue;
 210
 211                 dev_name = connman_device_get_string(wifi->device, "Interface");
 212                 if (!g_strcmp0(ifname, dev_name)) {
 213                         pending_wifi_device = g_list_delete_link(
 214                                                 pending_wifi_device, list);
 215                         return wifi;
 216                 }
 217         }
 218
 219         return NULL;
 220 }
 221
 222 static void remove_pending_wifi_device(struct wifi_data *wifi)
 223 {
 224         GList *link;
 225
 226         link = g_list_find(pending_wifi_device, wifi);
 227
 228         if (!link)
 229                 return;
 230
 231         pending_wifi_device = g_list_delete_link(pending_wifi_device, link);
 232 }
 233
 234 static void peer_cancel_timeout(struct wifi_data *wifi)
 235 {
 236         if (wifi->p2p_connection_timeout > 0)
 237                 g_source_remove(wifi->p2p_connection_timeout);
 238
 239         wifi->p2p_connection_timeout = 0;
 240         wifi->p2p_connecting = false;
 241
 242         if (wifi->pending_peer) {
 243                 connman_peer_unref(wifi->pending_peer);
 244                 wifi->pending_peer = NULL;
 245         }
 246
 247         wifi->peer = NULL;
 248 }
 249
 250 static gboolean peer_connect_timeout(gpointer data)
 251 {
 252         struct wifi_data *wifi = data;
 253
 254         DBG("");
 255
 256         if (wifi->p2p_connecting) {
 257                 enum connman_peer_state state = CONNMAN_PEER_STATE_FAILURE;
 258
 259                 if (g_supplicant_peer_has_requested_connection(wifi->peer))
 260                         state = CONNMAN_PEER_STATE_IDLE;
 261
 262                 connman_peer_set_state(wifi->pending_peer, state);
 263         }
 264
 265         peer_cancel_timeout(wifi);
 266
 267         return FALSE;
 268 }
 269
 270 static void peer_connect_callback(int result, GSupplicantInterface *interface,
 271                                                         void *user_data)
 272 {
 273         struct wifi_data *wifi = user_data;
 274         struct connman_peer *peer = wifi->pending_peer;
 275
 276         DBG("peer %p - %d", peer, result);
 277
 278         if (!peer)
 279                 return;
 280
 281         if (result < 0) {
 282                 peer_connect_timeout(wifi);
 283                 return;
 284         }
 285
 286         connman_peer_set_state(peer, CONNMAN_PEER_STATE_ASSOCIATION);
 287
 288         wifi->p2p_connection_timeout = g_timeout_add_seconds(
 289                                                 P2P_CONNECTION_TIMEOUT,
 290                                                 peer_connect_timeout, wifi);
 291 }
 292
 293 static int peer_connect(struct connman_peer *peer,
 294                         enum connman_peer_wps_method wps_method,
 295                         const char *wps_pin)
 296 {
 297         struct connman_device *device = connman_peer_get_device(peer);
 298         GSupplicantPeerParams *peer_params;
 299         GSupplicantPeer *gs_peer;
 300         struct wifi_data *wifi;
 301         bool pbc, pin;
 302         int ret;
 303
 304         DBG("peer %p", peer);
 305
 306         if (!device)
 307                 return -ENODEV;
 308
 309         wifi = connman_device_get_data(device);
 310         if (!wifi)
 311                 return -ENODEV;
 312
 313         if (wifi->p2p_connecting)
 314                 return -EBUSY;
 315
 316         wifi->peer = NULL;
 317
 318         gs_peer = g_supplicant_interface_peer_lookup(wifi->interface,
 319                                         connman_peer_get_identifier(peer));
 320         if (!gs_peer)
 321                 return -EINVAL;
 322
 323         pbc = g_supplicant_peer_is_wps_pbc(gs_peer);
 324         pin = g_supplicant_peer_is_wps_pin(gs_peer);
 325
 326         switch (wps_method) {
 327         case CONNMAN_PEER_WPS_UNKNOWN:
 328                 if ((pbc && pin) || pin)
 329                         return -ENOKEY;
 330                 break;
 331         case CONNMAN_PEER_WPS_PBC:
 332                 if (!pbc)
 333                         return -EINVAL;
 334                 wps_pin = NULL;
 335                 break;
 336         case CONNMAN_PEER_WPS_PIN:
 337                 if (!pin || !wps_pin)
 338                         return -EINVAL;
 339                 break;
 340         }
 341
 342         peer_params = g_try_malloc0(sizeof(GSupplicantPeerParams));
 343         if (!peer_params)
 344                 return -ENOMEM;
 345
 346         peer_params->path = g_strdup(g_supplicant_peer_get_path(gs_peer));
 347         if (wps_pin)
 348                 peer_params->wps_pin = g_strdup(wps_pin);
 349
 350         peer_params->master = connman_peer_service_is_master();
 351
 352         ret = g_supplicant_interface_p2p_connect(wifi->interface, peer_params,
 353                                                 peer_connect_callback, wifi);
 354         if (ret == -EINPROGRESS) {
 355                 wifi->pending_peer = connman_peer_ref(peer);
 356                 wifi->peer = gs_peer;
 357                 wifi->p2p_connecting = true;
 358         } else if (ret < 0)
 359                 g_free(peer_params);
 360
 361         return ret;
 362 }
 363
 364 static int peer_disconnect(struct connman_peer *peer)
 365 {
 366         struct connman_device *device = connman_peer_get_device(peer);
 367         GSupplicantPeerParams peer_params = {};
 368         GSupplicantPeer *gs_peer;
 369         struct wifi_data *wifi;
 370         int ret;
 371
 372         DBG("peer %p", peer);
 373
 374         if (!device)
 375                 return -ENODEV;
 376
 377         wifi = connman_device_get_data(device);
 378         if (!wifi)
 379                 return -ENODEV;
 380
 381         gs_peer = g_supplicant_interface_peer_lookup(wifi->interface,
 382                                         connman_peer_get_identifier(peer));
 383         if (!gs_peer)
 384                 return -EINVAL;
 385
 386         peer_params.path = g_strdup(g_supplicant_peer_get_path(gs_peer));
 387
 388         ret = g_supplicant_interface_p2p_disconnect(wifi->interface,
 389                                                         &peer_params);
 390         g_free(peer_params.path);
 391
 392         if (ret == -EINPROGRESS)
 393                 peer_cancel_timeout(wifi);
 394
 395         return ret;
 396 }
 397
 398 struct peer_service_registration {
 399         peer_service_registration_cb_t callback;
 400         void *user_data;
 401 };
 402
 403 static bool is_service_wfd(const unsigned char *specs, int length)
 404 {
 405         if (length < 9 || specs[0] != 0 || specs[1] != 0 || specs[2] != 6)
 406                 return false;
 407
 408         return true;
 409 }
 410
 411 static void apply_p2p_listen_on_iface(gpointer data, gpointer user_data)
 412 {
 413         struct wifi_data *wifi = data;
 414
 415         if (!wifi->interface ||
 416                         !g_supplicant_interface_has_p2p(wifi->interface))
 417                 return;
 418
 419         if (!wifi->servicing) {
 420                 g_supplicant_interface_p2p_listen(wifi->interface,
 421                                 P2P_LISTEN_PERIOD, P2P_LISTEN_INTERVAL);
 422         }
 423
 424         wifi->servicing++;
 425 }
 426
 427 static void register_wfd_service_cb(int result,
 428                                 GSupplicantInterface *iface, void *user_data)
 429 {
 430         struct peer_service_registration *reg_data = user_data;
 431
 432         DBG("");
 433
 434         if (result == 0)
 435                 g_list_foreach(iface_list, apply_p2p_listen_on_iface, NULL);
 436
 437         if (reg_data && reg_data->callback) {
 438                 reg_data->callback(result, reg_data->user_data);
 439                 g_free(reg_data);
 440         }
 441 }
 442
 443 static GSupplicantP2PServiceParams *fill_in_peer_service_params(
 444                                 const unsigned char *spec,
 445                                 int spec_length, const unsigned char *query,
 446                                 int query_length, int version)
 447 {
 448         GSupplicantP2PServiceParams *params;
 449
 450         params = g_try_malloc0(sizeof(GSupplicantP2PServiceParams));
 451         if (!params)
 452                 return NULL;
 453
 454         if (version > 0) {
 455                 params->version = version;
 456                 params->service = g_memdup(spec, spec_length);
 457         } else if (query_length > 0 && spec_length > 0) {
 458                 params->query = g_memdup(query, query_length);
 459                 params->query_length = query_length;
 460
 461                 params->response = g_memdup(spec, spec_length);
 462                 params->response_length = spec_length;
 463         } else {
 464                 params->wfd_ies = g_memdup(spec, spec_length);
 465                 params->wfd_ies_length = spec_length;
 466         }
 467
 468         return params;
 469 }
 470
 471 static void free_peer_service_params(GSupplicantP2PServiceParams *params)
 472 {
 473         if (!params)
 474                 return;
 475
 476         g_free(params->service);
 477         g_free(params->query);
 478         g_free(params->response);
 479         g_free(params->wfd_ies);
 480
 481         g_free(params);
 482 }
 483
 484 static int peer_register_wfd_service(const unsigned char *specification,
 485                                 int specification_length,
 486                                 peer_service_registration_cb_t callback,
 487                                 void *user_data)
 488 {
 489         struct peer_service_registration *reg_data = NULL;
 490         static GSupplicantP2PServiceParams *params;
 491         int ret;
 492
 493         DBG("");
 494
 495         if (wfd_service_registered)
 496                 return -EBUSY;
 497
 498         params = fill_in_peer_service_params(specification,
 499                                         specification_length, NULL, 0, 0);
 500         if (!params)
 501                 return -ENOMEM;
 502
 503         reg_data = g_try_malloc0(sizeof(*reg_data));
 504         if (!reg_data) {
 505                 ret = -ENOMEM;
 506                 goto error;
 507         }
 508
 509         reg_data->callback = callback;
 510         reg_data->user_data = user_data;
 511
 512         ret = g_supplicant_set_widi_ies(params,
 513                                         register_wfd_service_cb, reg_data);
 514         if (ret < 0 && ret != -EINPROGRESS)
 515                 goto error;
 516
 517         wfd_service_registered = true;
 518
 519         return ret;
 520 error:
 521         free_peer_service_params(params);
 522         g_free(reg_data);
 523
 524         return ret;
 525 }
 526
 527 static void register_peer_service_cb(int result,
 528                                 GSupplicantInterface *iface, void *user_data)
 529 {
 530         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
 531         struct peer_service_registration *reg_data = user_data;
 532
 533         DBG("");
 534
 535         if (result == 0)
 536                 apply_p2p_listen_on_iface(wifi, NULL);
 537
 538         if (reg_data->callback)
 539                 reg_data->callback(result, reg_data->user_data);
 540
 541         g_free(reg_data);
 542 }
 543
 544 static int peer_register_service(const unsigned char *specification,
 545                                 int specification_length,
 546                                 const unsigned char *query,
 547                                 int query_length, int version,
 548                                 peer_service_registration_cb_t callback,
 549                                 void *user_data)
 550 {
 551         struct peer_service_registration *reg_data;
 552         GSupplicantP2PServiceParams *params;
 553         bool found = false;
 554         int ret, ret_f;
 555         GList *list;
 556
 557         DBG("");
 558
 559         if (specification && !version && !query &&
 560                         is_service_wfd(specification, specification_length)) {
 561                 return peer_register_wfd_service(specification,
 562                                 specification_length, callback, user_data);
 563         }
 564
 565         reg_data = g_try_malloc0(sizeof(*reg_data));
 566         if (!reg_data)
 567                 return -ENOMEM;
 568
 569         reg_data->callback = callback;
 570         reg_data->user_data = user_data;
 571
 572         ret_f = -EOPNOTSUPP;
 573
 574         for (list = iface_list; list; list = list->next) {
 575                 struct wifi_data *wifi = list->data;
 576                 GSupplicantInterface *iface = wifi->interface;
 577
 578                 if (!g_supplicant_interface_has_p2p(iface))
 579                         continue;
 580
 581                 params = fill_in_peer_service_params(specification,
 582                                                 specification_length, query,
 583                                                 query_length, version);
 584                 if (!params) {
 585                         ret = -ENOMEM;
 586                         continue;
 587                 }
 588
 589                 if (!found) {
 590                         ret_f = g_supplicant_interface_p2p_add_service(iface,
 591                                 register_peer_service_cb, params, reg_data);
 592                         if (ret_f == 0 || ret_f == -EINPROGRESS)
 593                                 found = true;
 594                         ret = ret_f;
 595                 } else
 596                         ret = g_supplicant_interface_p2p_add_service(iface,
 597                                 register_peer_service_cb, params, NULL);
 598                 if (ret != 0 && ret != -EINPROGRESS)
 599                         free_peer_service_params(params);
 600         }
 601
 602         if (ret_f != 0 && ret_f != -EINPROGRESS)
 603                 g_free(reg_data);
 604
 605         return ret_f;
 606 }
 607
 608 static int peer_unregister_wfd_service(void)
 609 {
 610         GSupplicantP2PServiceParams *params;
 611         GList *list;
 612
 613         if (!wfd_service_registered)
 614                 return -EALREADY;
 615
 616         params = fill_in_peer_service_params(NULL, 0, NULL, 0, 0);
 617         if (!params)
 618                 return -ENOMEM;
 619
 620         wfd_service_registered = false;
 621
 622         g_supplicant_set_widi_ies(params, NULL, NULL);
 623
 624         for (list = iface_list; list; list = list->next) {
 625                 struct wifi_data *wifi = list->data;
 626
 627                 if (!g_supplicant_interface_has_p2p(wifi->interface))
 628                         continue;
 629
 630                 wifi->servicing--;
 631                 if (!wifi->servicing || wifi->servicing < 0) {
 632                         g_supplicant_interface_p2p_listen(wifi->interface,
 633                                                                         0, 0);
 634                         wifi->servicing = 0;
 635                 }
 636         }
 637
 638         return 0;
 639 }
 640
 641 static int peer_unregister_service(const unsigned char *specification,
 642                                                 int specification_length,
 643                                                 const unsigned char *query,
 644                                                 int query_length, int version)
 645 {
 646         GSupplicantP2PServiceParams *params;
 647         bool wfd = false;
 648         GList *list;
 649         int ret;
 650
 651         if (specification && !version && !query &&
 652                         is_service_wfd(specification, specification_length)) {
 653                 ret = peer_unregister_wfd_service();
 654                 if (ret != 0 && ret != -EINPROGRESS)
 655                         return ret;
 656                 wfd = true;
 657         }
 658
 659         for (list = iface_list; list; list = list->next) {
 660                 struct wifi_data *wifi = list->data;
 661                 GSupplicantInterface *iface = wifi->interface;
 662
 663                 if (wfd)
 664                         goto stop_listening;
 665
 666                 if (!g_supplicant_interface_has_p2p(iface))
 667                         continue;
 668
 669                 params = fill_in_peer_service_params(specification,
 670                                                 specification_length, query,
 671                                                 query_length, version);
 672                 if (!params) {
 673                         ret = -ENOMEM;
 674                         continue;
 675                 }
 676
 677                 ret = g_supplicant_interface_p2p_del_service(iface, params);
 678                 if (ret != 0 && ret != -EINPROGRESS)
 679                         free_peer_service_params(params);
 680 stop_listening:
 681                 wifi->servicing--;
 682                 if (!wifi->servicing || wifi->servicing < 0) {
 683                         g_supplicant_interface_p2p_listen(iface, 0, 0);
 684                         wifi->servicing = 0;
 685                 }
 686         }
 687
 688         return 0;
 689 }
 690
 691 static struct connman_peer_driver peer_driver = {
 692         .connect    = peer_connect,
 693         .disconnect = peer_disconnect,
 694         .register_service = peer_register_service,
 695         .unregister_service = peer_unregister_service,
 696 };
 697
 698 static void handle_tethering(struct wifi_data *wifi)
 699 {
 700         if (!wifi->tethering)
 701                 return;
 702
 703         if (!wifi->bridge)
 704                 return;
 705
 706         if (wifi->bridged)
 707                 return;
 708
 709         DBG("index %d bridge %s", wifi->index, wifi->bridge);
 710
 711         if (connman_inet_add_to_bridge(wifi->index, wifi->bridge) < 0)
 712                 return;
 713
 714         wifi->bridged = true;
 715 }
 716
 717 static void wifi_newlink(unsigned flags, unsigned change, void *user_data)
 718 {
 719         struct connman_device *device = user_data;
 720         struct wifi_data *wifi = connman_device_get_data(device);
 721
 722         if (!wifi)
 723                 return;
 724
 725         DBG("index %d flags %d change %d", wifi->index, flags, change);
 726
 727         if ((wifi->flags & IFF_UP) != (flags & IFF_UP)) {
 728                 if (flags & IFF_UP)
 729                         DBG("interface up");
 730                 else
 731                         DBG("interface down");
 732         }
 733
 734         if ((wifi->flags & IFF_LOWER_UP) != (flags & IFF_LOWER_UP)) {
 735                 if (flags & IFF_LOWER_UP) {
 736                         DBG("carrier on");
 737
 738                         handle_tethering(wifi);
 739                 } else
 740                         DBG("carrier off");
 741         }
 742
 743         wifi->flags = flags;
 744 }
 745
 746 static int wifi_probe(struct connman_device *device)
 747 {
 748         struct wifi_data *wifi;
 749
 750         DBG("device %p", device);
 751
 752         wifi = g_try_new0(struct wifi_data, 1);
 753         if (!wifi)
 754                 return -ENOMEM;
 755
 756         wifi->state = G_SUPPLICANT_STATE_INACTIVE;
 757
 758         connman_device_set_data(device, wifi);
 759         wifi->device = connman_device_ref(device);
 760
 761         wifi->index = connman_device_get_index(device);
 762         wifi->flags = 0;
 763
 764         wifi->watch = connman_rtnl_add_newlink_watch(wifi->index,
 765                                                         wifi_newlink, device);
 766         if (is_p2p_connecting())
 767                 add_pending_wifi_device(wifi);
 768         else
 769                 iface_list = g_list_append(iface_list, wifi);
 770
 771         return 0;
 772 }
 773
 774 static void remove_networks(struct connman_device *device,
 775                                 struct wifi_data *wifi)
 776 {
 777         GSList *list;
 778
 779         for (list = wifi->networks; list; list = list->next) {
 780                 struct connman_network *network = list->data;
 781
 782                 connman_device_remove_network(device, network);
 783                 connman_network_unref(network);
 784         }
 785
 786         g_slist_free(wifi->networks);
 787         wifi->networks = NULL;
 788 }
 789
 790 static void reset_autoscan(struct connman_device *device)
 791 {
 792         struct wifi_data *wifi = connman_device_get_data(device);
 793         struct autoscan_params *autoscan;
 794
 795         DBG("");
 796
 797         if (!wifi || !wifi->autoscan)
 798                 return;
 799
 800         autoscan = wifi->autoscan;
 801
 802         if (autoscan->timeout == 0 && autoscan->interval == 0)
 803                 return;
 804
 805         g_source_remove(autoscan->timeout);
 806
 807         autoscan->timeout = 0;
 808         autoscan->interval = 0;
 809
 810         connman_device_unref(device);
 811 }
 812
 813 static void stop_autoscan(struct connman_device *device)
 814 {
 815         const struct wifi_data *wifi = connman_device_get_data(device);
 816
 817         if (!wifi || !wifi->autoscan)
 818                 return;
 819
 820         reset_autoscan(device);
 821
 822         connman_device_set_scanning(device, CONNMAN_SERVICE_TYPE_WIFI, false);
 823 }
 824
 825 static void check_p2p_technology(void)
 826 {
 827         bool p2p_exists = false;
 828         GList *list;
 829
 830         for (list = iface_list; list; list = list->next) {
 831                 struct wifi_data *w = list->data;
 832
 833                 if (w->interface &&
 834                                 g_supplicant_interface_has_p2p(w->interface))
 835                         p2p_exists = true;
 836         }
 837
 838         if (!p2p_exists) {
 839                 connman_technology_driver_unregister(&p2p_tech_driver);
 840                 connman_peer_driver_unregister(&peer_driver);
 841         }
 842 }
 843
 844 static void wifi_remove(struct connman_device *device)
 845 {
 846         struct wifi_data *wifi = connman_device_get_data(device);
 847
 848         DBG("device %p wifi %p", device, wifi);
 849
 850         if (!wifi)
 851                 return;
 852
 853         stop_autoscan(device);
 854
 855         if (wifi->p2p_device)
 856                 p2p_iface_list = g_list_remove(p2p_iface_list, wifi);
 857         else
 858                 iface_list = g_list_remove(iface_list, wifi);
 859
 860         check_p2p_technology();
 861
 862         remove_pending_wifi_device(wifi);
 863
 864         if (wifi->p2p_find_timeout) {
 865                 g_source_remove(wifi->p2p_find_timeout);
 866                 connman_device_unref(wifi->device);
 867         }
 868
 869         if (wifi->p2p_connection_timeout)
 870                 g_source_remove(wifi->p2p_connection_timeout);
 871
 872         remove_networks(device, wifi);
 873
 874         connman_device_set_powered(device, false);
 875         connman_device_set_data(device, NULL);
 876         connman_device_unref(wifi->device);
 877         connman_rtnl_remove_watch(wifi->watch);
 878
 879         g_supplicant_interface_set_data(wifi->interface, NULL);
 880
 881         g_supplicant_interface_cancel(wifi->interface);
 882
 883         if (wifi->scan_params)
 884                 g_supplicant_free_scan_params(wifi->scan_params);
 885
 886         g_free(wifi->autoscan);
 887         g_free(wifi->identifier);
 888         g_free(wifi);
 889 }
 890
 891 static bool is_duplicate(GSList *list, gchar *ssid, int ssid_len)
 892 {
 893         GSList *iter;
 894
 895         for (iter = list; iter; iter = g_slist_next(iter)) {
 896                 struct scan_ssid *scan_ssid = iter->data;
 897
 898                 if (ssid_len == scan_ssid->ssid_len &&
 899                                 memcmp(ssid, scan_ssid->ssid, ssid_len) == 0)
 900                         return true;
 901         }
 902
 903         return false;
 904 }
 905
 906 static int add_scan_param(gchar *hex_ssid, char *raw_ssid, int ssid_len,
 907                         int freq, GSupplicantScanParams *scan_data,
 908                         int driver_max_scan_ssids, char *ssid_name)
 909 {
 910         unsigned int i;
 911         struct scan_ssid *scan_ssid;
 912
 913         if ((driver_max_scan_ssids == 0 ||
 914                         driver_max_scan_ssids > scan_data->num_ssids) &&
 915                         (hex_ssid || raw_ssid)) {
 916                 gchar *ssid;
 917                 unsigned int j = 0, hex;
 918
 919                 if (hex_ssid) {
 920                         size_t hex_ssid_len = strlen(hex_ssid);
 921
 922                         ssid = g_try_malloc0(hex_ssid_len / 2);
 923                         if (!ssid)
 924                                 return -ENOMEM;
 925
 926                         for (i = 0; i < hex_ssid_len; i += 2) {
 927                                 sscanf(hex_ssid + i, "%02x", &hex);
 928                                 ssid[j++] = hex;
 929                         }
 930                 } else {
 931                         ssid = raw_ssid;
 932                         j = ssid_len;
 933                 }
 934
 935                 /*
 936                  * If we have already added hidden AP to the list,
 937                  * then do not do it again. This might happen if you have
 938                  * used or are using multiple wifi cards, so in that case
 939                  * you might have multiple service files for same AP.
 940                  */
 941                 if (is_duplicate(scan_data->ssids, ssid, j)) {
 942                         if (hex_ssid)
 943                                 g_free(ssid);
 944                         return 0;
 945                 }
 946
 947                 scan_ssid = g_try_new(struct scan_ssid, 1);
 948                 if (!scan_ssid) {
 949                         if (hex_ssid)
 950                                 g_free(ssid);
 951                         return -ENOMEM;
 952                 }
 953
 954                 memcpy(scan_ssid->ssid, ssid, j);
 955                 scan_ssid->ssid_len = j;
 956                 scan_data->ssids = g_slist_prepend(scan_data->ssids,
 957                                                                 scan_ssid);
 958
 959                 scan_data->num_ssids++;
 960
 961                 DBG("SSID %s added to scanned list of %d entries", ssid_name,
 962                                                         scan_data->num_ssids);
 963
 964                 if (hex_ssid)
 965                         g_free(ssid);
 966         } else
 967                 return -EINVAL;
 968
 969         scan_data->ssids = g_slist_reverse(scan_data->ssids);
 970
 971         if (!scan_data->freqs) {
 972                 scan_data->freqs = g_try_malloc0(sizeof(uint16_t));
 973                 if (!scan_data->freqs) {
 974                         g_slist_free_full(scan_data->ssids, g_free);
 975                         return -ENOMEM;
 976                 }
 977
 978                 scan_data->num_freqs = 1;
 979                 scan_data->freqs[0] = freq;
 980         } else {
 981                 bool duplicate = false;
 982
 983                 /* Don't add duplicate entries */
 984                 for (i = 0; i < scan_data->num_freqs; i++) {
 985                         if (scan_data->freqs[i] == freq) {
 986                                 duplicate = true;
 987                                 break;
 988                         }
 989                 }
 990
 991                 if (!duplicate) {
 992                         scan_data->num_freqs++;
 993                         scan_data->freqs = g_try_realloc(scan_data->freqs,
 994                                 sizeof(uint16_t) * scan_data->num_freqs);
 995                         if (!scan_data->freqs) {
 996                                 g_slist_free_full(scan_data->ssids, g_free);
 997                                 return -ENOMEM;
 998                         }
 999                         scan_data->freqs[scan_data->num_freqs - 1] = freq;
1000                 }
1001         }
1002
1003         return 1;
1004 }
1005
1006 static int get_hidden_connections(GSupplicantScanParams *scan_data)
1007 {
1008         struct connman_config_entry **entries;
1009         GKeyFile *keyfile;
1010         gchar **services;
1011         char *ssid, *name;
1012         int i, ret;
1013         bool value;
1014         int num_ssids = 0, add_param_failed = 0;
1015
1016         services = connman_storage_get_services();
1017         for (i = 0; services && services[i]; i++) {
1018                 if (strncmp(services[i], "wifi_", 5) != 0)
1019                         continue;
1020
1021                 keyfile = connman_storage_load_service(services[i]);
1022                 if (!keyfile)
1023                         continue;
1024
1025                 value = g_key_file_get_boolean(keyfile,
1026                                         services[i], "Hidden", NULL);
1027                 if (!value) {
1028                         g_key_file_free(keyfile);
1029                         continue;
1030                 }
1031
1032                 value = g_key_file_get_boolean(keyfile,
1033                                         services[i], "Favorite", NULL);
1034                 if (!value) {
1035                         g_key_file_free(keyfile);
1036                         continue;
1037                 }
1038
1039 #if defined TIZEN_EXT
1040                 value = g_key_file_get_boolean(keyfile,
1041                                         services[i], "AutoConnect", NULL);
1042                 if (!value) {
1043                         g_key_file_free(keyfile);
1044                         continue;
1045                 }
1046 #endif
1047
1048                 ssid = g_key_file_get_string(keyfile,
1049                                         services[i], "SSID", NULL);
1050
1051                 name = g_key_file_get_string(keyfile, services[i], "Name",
1052                                                                 NULL);
1053
1054                 ret = add_scan_param(ssid, NULL, 0, 0, scan_data, 0, name);
1055                 if (ret < 0)
1056                         add_param_failed++;
1057                 else if (ret > 0)
1058                         num_ssids++;
1059
1060                 g_free(ssid);
1061                 g_free(name);
1062                 g_key_file_free(keyfile);
1063         }
1064
1065         /*
1066          * Check if there are any hidden AP that needs to be provisioned.
1067          */
1068         entries = connman_config_get_entries("wifi");
1069         for (i = 0; entries && entries[i]; i++) {
1070                 int len;
1071
1072                 if (!entries[i]->hidden)
1073                         continue;
1074
1075                 if (!entries[i]->ssid) {
1076                         ssid = entries[i]->name;
1077                         len = strlen(ssid);
1078                 } else {
1079                         ssid = entries[i]->ssid;
1080                         len = entries[i]->ssid_len;
1081                 }
1082
1083                 if (!ssid)
1084                         continue;
1085
1086                 ret = add_scan_param(NULL, ssid, len, 0, scan_data, 0, ssid);
1087                 if (ret < 0)
1088                         add_param_failed++;
1089                 else if (ret > 0)
1090                         num_ssids++;
1091         }
1092
1093         connman_config_free_entries(entries);
1094
1095         if (add_param_failed > 0)
1096                 DBG("Unable to scan %d out of %d SSIDs",
1097                                         add_param_failed, num_ssids);
1098
1099         g_strfreev(services);
1100
1101         return num_ssids;
1102 }
1103
1104 static int get_hidden_connections_params(struct wifi_data *wifi,
1105                                         GSupplicantScanParams *scan_params)
1106 {
1107         int driver_max_ssids, i;
1108         GSupplicantScanParams *orig_params;
1109
1110         /*
1111          * Scan hidden networks so that we can autoconnect to them.
1112          * We will assume 1 as a default number of ssid to scan.
1113          */
1114         driver_max_ssids = g_supplicant_interface_get_max_scan_ssids(
1115                                                         wifi->interface);
1116         if (driver_max_ssids == 0)
1117                 driver_max_ssids = 1;
1118
1119         DBG("max ssids %d", driver_max_ssids);
1120
1121         if (!wifi->scan_params) {
1122                 wifi->scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
1123                 if (!wifi->scan_params)
1124                         return 0;
1125
1126                 if (get_hidden_connections(wifi->scan_params) == 0) {
1127                         g_supplicant_free_scan_params(wifi->scan_params);
1128                         wifi->scan_params = NULL;
1129
1130                         return 0;
1131                 }
1132         }
1133
1134         orig_params = wifi->scan_params;
1135
1136         /* Let's transfer driver_max_ssids params */
1137         for (i = 0; i < driver_max_ssids; i++) {
1138                 struct scan_ssid *ssid;
1139
1140                 if (!wifi->scan_params->ssids)
1141                         break;
1142
1143                 ssid = orig_params->ssids->data;
1144                 orig_params->ssids = g_slist_remove(orig_params->ssids, ssid);
1145                 scan_params->ssids = g_slist_prepend(scan_params->ssids, ssid);
1146         }
1147
1148         if (i > 0) {
1149                 scan_params->num_ssids = i;
1150                 scan_params->ssids = g_slist_reverse(scan_params->ssids);
1151
1152                 scan_params->freqs = g_memdup(orig_params->freqs,
1153                                 sizeof(uint16_t) * orig_params->num_freqs);
1154                 if (!scan_params->freqs)
1155                         goto err;
1156
1157                 scan_params->num_freqs = orig_params->num_freqs;
1158
1159         } else
1160                 goto err;
1161
1162         orig_params->num_ssids -= scan_params->num_ssids;
1163
1164         return scan_params->num_ssids;
1165
1166 err:
1167         g_slist_free_full(scan_params->ssids, g_free);
1168         g_supplicant_free_scan_params(wifi->scan_params);
1169         wifi->scan_params = NULL;
1170
1171         return 0;
1172 }
1173
1174 static int throw_wifi_scan(struct connman_device *device,
1175                         GSupplicantInterfaceCallback callback)
1176 {
1177         struct wifi_data *wifi = connman_device_get_data(device);
1178         int ret;
1179
1180         if (!wifi)
1181                 return -ENODEV;
1182
1183         DBG("device %p %p", device, wifi->interface);
1184
1185         if (wifi->tethering)
1186                 return -EBUSY;
1187 #if defined TIZEN_EXT
1188         if (connman_device_get_scanning(device) && !wifi->allow_full_scan)
1189 #else
1190         if (connman_device_get_scanning(device))
1191 #endif
1192                 return -EALREADY;
1193
1194         connman_device_ref(device);
1195
1196         ret = g_supplicant_interface_scan(wifi->interface, NULL,
1197                                                 callback, device);
1198         if (ret == 0) {
1199                 connman_device_set_scanning(device,
1200                                 CONNMAN_SERVICE_TYPE_WIFI, true);
1201         } else
1202                 connman_device_unref(device);
1203
1204         return ret;
1205 }
1206
1207 static void hidden_free(struct hidden_params *hidden)
1208 {
1209         if (!hidden)
1210                 return;
1211
1212         if (hidden->scan_params)
1213                 g_supplicant_free_scan_params(hidden->scan_params);
1214         g_free(hidden->identity);
1215         g_free(hidden->passphrase);
1216         g_free(hidden->security);
1217         g_free(hidden);
1218 }
1219
1220 #if defined TIZEN_EXT
1221 static void service_state_changed(struct connman_service *service,
1222                                         enum connman_service_state state);
1223
1224 static int network_connect(struct connman_network *network);
1225
1226 static struct connman_notifier notifier = {
1227         .name                   = "wifi",
1228         .priority               = CONNMAN_NOTIFIER_PRIORITY_DEFAULT,
1229         .service_state_changed  = service_state_changed,
1230 };
1231
1232 static void service_state_changed(struct connman_service *service,
1233                                         enum connman_service_state state)
1234 {
1235         enum connman_service_type type;
1236
1237         type = connman_service_get_type(service);
1238         if (type != CONNMAN_SERVICE_TYPE_WIFI)
1239                 return;
1240
1241         DBG("service %p state %d", service, state);
1242
1243         switch (state) {
1244         case CONNMAN_SERVICE_STATE_READY:
1245         case CONNMAN_SERVICE_STATE_ONLINE:
1246         case CONNMAN_SERVICE_STATE_FAILURE:
1247                 connman_notifier_unregister(&notifier);
1248                 is_wifi_notifier_registered = FALSE;
1249
1250                 __connman_device_request_scan(type);
1251                 break;
1252
1253         default:
1254                 break;
1255         }
1256 }
1257 #endif
1258
1259 static void scan_callback(int result, GSupplicantInterface *interface,
1260                                                 void *user_data)
1261 {
1262         struct connman_device *device = user_data;
1263         struct wifi_data *wifi = connman_device_get_data(device);
1264         bool scanning;
1265
1266         DBG("result %d wifi %p", result, wifi);
1267
1268         if (wifi) {
1269                 if (wifi->hidden && !wifi->postpone_hidden) {
1270                         connman_network_clear_hidden(wifi->hidden->user_data);
1271                         hidden_free(wifi->hidden);
1272                         wifi->hidden = NULL;
1273                 }
1274
1275                 if (wifi->scan_params) {
1276                         g_supplicant_free_scan_params(wifi->scan_params);
1277                         wifi->scan_params = NULL;
1278                 }
1279         }
1280
1281         if (result < 0)
1282                 connman_device_reset_scanning(device);
1283
1284         /* User is connecting to a hidden AP, let's wait for finished event */
1285         if (wifi && wifi->hidden && wifi->postpone_hidden) {
1286                 GSupplicantScanParams *scan_params;
1287                 int ret;
1288
1289                 wifi->postpone_hidden = false;
1290                 scan_params = wifi->hidden->scan_params;
1291                 wifi->hidden->scan_params = NULL;
1292
1293                 reset_autoscan(device);
1294
1295                 ret = g_supplicant_interface_scan(wifi->interface, scan_params,
1296                                                         scan_callback, device);
1297                 if (ret == 0)
1298                         return;
1299
1300                 /* On error, let's recall scan_callback, which will cleanup */
1301                 return scan_callback(ret, interface, user_data);
1302         }
1303
1304         scanning = connman_device_get_scanning(device);
1305 #if defined TIZEN_EXT
1306         if (scanning && wifi && !wifi->allow_full_scan)
1307 #else
1308         if (scanning)
1309 #endif
1310                 connman_device_set_scanning(device,
1311                                 CONNMAN_SERVICE_TYPE_WIFI, false);
1312
1313         if (result != -ENOLINK)
1314 #if defined TIZEN_EXT
1315         if (result != -EIO)
1316 #endif
1317                 start_autoscan(device);
1318
1319         /*
1320          * If we are here then we were scanning; however, if we are
1321          * also mid-flight disabling the interface, then wifi_disable
1322          * has already cleared the device scanning state and
1323          * unreferenced the device, obviating the need to do it here.
1324          */
1325
1326         if (scanning)
1327                 connman_device_unref(device);
1328
1329 #if defined TIZEN_EXT
1330         if (wifi && wifi->allow_full_scan) {
1331                 DBG("Trigger Full Channel Scan");
1332                 throw_wifi_scan(device, scan_callback);
1333                 wifi->allow_full_scan = FALSE;
1334         }
1335         if (wifi && wifi->scan_pending_network && result != -EIO) {
1336                 network_connect(wifi->scan_pending_network);
1337                 wifi->scan_pending_network = NULL;
1338                 connman_network_set_connecting(wifi->network);
1339         }
1340
1341         if (is_wifi_notifier_registered != true &&
1342                         wifi_first_scan == true && found_with_first_scan == true) {
1343                 wifi_first_scan = false;
1344                 found_with_first_scan = false;
1345
1346                 connman_notifier_register(&notifier);
1347                 is_wifi_notifier_registered = true;
1348         }
1349 #endif
1350 }
1351
1352 static void scan_callback_hidden(int result,
1353                         GSupplicantInterface *interface, void *user_data)
1354 {
1355         struct connman_device *device = user_data;
1356         struct wifi_data *wifi = connman_device_get_data(device);
1357         GSupplicantScanParams *scan_params;
1358         int ret;
1359
1360         DBG("result %d wifi %p", result, wifi);
1361
1362         if (!wifi)
1363                 goto out;
1364
1365         /* User is trying to connect to a hidden AP */
1366         if (wifi->hidden && wifi->postpone_hidden)
1367                 goto out;
1368
1369         scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
1370         if (!scan_params)
1371                 goto out;
1372
1373         if (get_hidden_connections_params(wifi, scan_params) > 0) {
1374                 ret = g_supplicant_interface_scan(wifi->interface,
1375                                                         scan_params,
1376                                                         scan_callback_hidden,
1377                                                         device);
1378                 if (ret == 0)
1379                         return;
1380         }
1381
1382         g_supplicant_free_scan_params(scan_params);
1383
1384 out:
1385         scan_callback(result, interface, user_data);
1386 }
1387
1388 static gboolean autoscan_timeout(gpointer data)
1389 {
1390         struct connman_device *device = data;
1391         struct wifi_data *wifi = connman_device_get_data(device);
1392         struct autoscan_params *autoscan;
1393         int interval;
1394
1395         if (!wifi)
1396                 return FALSE;
1397
1398         autoscan = wifi->autoscan;
1399
1400         if (autoscan->interval <= 0) {
1401                 interval = autoscan->base;
1402                 goto set_interval;
1403         } else
1404                 interval = autoscan->interval * autoscan->base;
1405
1406 #if defined TIZEN_EXT
1407         if (autoscan->interval >= autoscan->limit)
1408 #else
1409         if (interval > autoscan->limit)
1410 #endif
1411                 interval = autoscan->limit;
1412
1413         throw_wifi_scan(wifi->device, scan_callback_hidden);
1414
1415 set_interval:
1416         DBG("interval %d", interval);
1417
1418         autoscan->interval = interval;
1419
1420         autoscan->timeout = g_timeout_add_seconds(interval,
1421                                                 autoscan_timeout, device);
1422
1423         return FALSE;
1424 }
1425
1426 static void start_autoscan(struct connman_device *device)
1427 {
1428         struct wifi_data *wifi = connman_device_get_data(device);
1429         struct autoscan_params *autoscan;
1430
1431         DBG("");
1432
1433         if (!wifi)
1434                 return;
1435
1436         if (wifi->p2p_device)
1437                 return;
1438
1439         if (wifi->connected)
1440                 return;
1441
1442         autoscan = wifi->autoscan;
1443         if (!autoscan)
1444                 return;
1445
1446         if (autoscan->timeout > 0 || autoscan->interval > 0)
1447                 return;
1448
1449         connman_device_ref(device);
1450
1451         autoscan_timeout(device);
1452 }
1453
1454 static struct autoscan_params *parse_autoscan_params(const char *params)
1455 {
1456         struct autoscan_params *autoscan;
1457         char **list_params;
1458         int limit;
1459         int base;
1460
1461         DBG("Emulating autoscan");
1462
1463         list_params = g_strsplit(params, ":", 0);
1464         if (list_params == 0)
1465                 return NULL;
1466
1467         if (g_strv_length(list_params) < 3) {
1468                 g_strfreev(list_params);
1469                 return NULL;
1470         }
1471
1472         base = atoi(list_params[1]);
1473         limit = atoi(list_params[2]);
1474
1475         g_strfreev(list_params);
1476
1477         autoscan = g_try_malloc0(sizeof(struct autoscan_params));
1478         if (!autoscan) {
1479                 DBG("Could not allocate memory for autoscan");
1480                 return NULL;
1481         }
1482
1483         DBG("base %d - limit %d", base, limit);
1484         autoscan->base = base;
1485         autoscan->limit = limit;
1486
1487         return autoscan;
1488 }
1489
1490 static void setup_autoscan(struct wifi_data *wifi)
1491 {
1492         if (!wifi->autoscan)
1493                 wifi->autoscan = parse_autoscan_params(AUTOSCAN_DEFAULT);
1494
1495         start_autoscan(wifi->device);
1496 }
1497
1498 static void finalize_interface_creation(struct wifi_data *wifi)
1499 {
1500         DBG("interface is ready wifi %p tethering %d", wifi, wifi->tethering);
1501
1502         if (!wifi->device) {
1503                 connman_error("WiFi device not set");
1504                 return;
1505         }
1506
1507         connman_device_set_powered(wifi->device, true);
1508
1509         if (!connman_setting_get_bool("BackgroundScanning"))
1510                 return;
1511
1512         if (wifi->p2p_device)
1513                 return;
1514
1515         setup_autoscan(wifi);
1516 }
1517
1518 static void interface_create_callback(int result,
1519                                         GSupplicantInterface *interface,
1520                                                         void *user_data)
1521 {
1522         struct wifi_data *wifi = user_data;
1523
1524         DBG("result %d ifname %s, wifi %p", result,
1525                                 g_supplicant_interface_get_ifname(interface),
1526                                 wifi);
1527
1528         if (result < 0 || !wifi)
1529                 return;
1530
1531         wifi->interface = interface;
1532         g_supplicant_interface_set_data(interface, wifi);
1533
1534         if (g_supplicant_interface_get_ready(interface)) {
1535                 wifi->interface_ready = true;
1536                 finalize_interface_creation(wifi);
1537         }
1538 }
1539
1540 static int wifi_enable(struct connman_device *device)
1541 {
1542         struct wifi_data *wifi = connman_device_get_data(device);
1543         int index;
1544         char *interface;
1545         const char *driver = connman_option_get_string("wifi");
1546         int ret;
1547
1548         DBG("device %p %p", device, wifi);
1549
1550         index = connman_device_get_index(device);
1551         if (!wifi || index < 0)
1552                 return -ENODEV;
1553
1554         if (is_p2p_connecting())
1555                 return -EINPROGRESS;
1556
1557         interface = connman_inet_ifname(index);
1558         ret = g_supplicant_interface_create(interface, driver, NULL,
1559                                                 interface_create_callback,
1560                                                         wifi);
1561         g_free(interface);
1562
1563         if (ret < 0)
1564                 return ret;
1565
1566         return -EINPROGRESS;
1567 }
1568
1569 static int wifi_disable(struct connman_device *device)
1570 {
1571         struct wifi_data *wifi = connman_device_get_data(device);
1572         int ret;
1573
1574         DBG("device %p wifi %p", device, wifi);
1575
1576         if (!wifi)
1577                 return -ENODEV;
1578
1579         wifi->connected = false;
1580         wifi->disconnecting = false;
1581
1582         if (wifi->pending_network)
1583                 wifi->pending_network = NULL;
1584
1585         stop_autoscan(device);
1586
1587         if (wifi->p2p_find_timeout) {
1588                 g_source_remove(wifi->p2p_find_timeout);
1589                 wifi->p2p_find_timeout = 0;
1590                 connman_device_set_scanning(device, CONNMAN_SERVICE_TYPE_P2P, false);
1591                 connman_device_unref(wifi->device);
1592         }
1593
1594         /* In case of a user scan, device is still referenced */
1595         if (connman_device_get_scanning(device)) {
1596                 connman_device_set_scanning(device,
1597                                 CONNMAN_SERVICE_TYPE_WIFI, false);
1598                 connman_device_unref(wifi->device);
1599         }
1600
1601         remove_networks(device, wifi);
1602
1603 #if defined TIZEN_EXT
1604         wifi->scan_pending_network = NULL;
1605
1606         if (is_wifi_notifier_registered == true) {
1607                 connman_notifier_unregister(&notifier);
1608                 is_wifi_notifier_registered = false;
1609         }
1610 #endif
1611
1612         ret = g_supplicant_interface_remove(wifi->interface, NULL, NULL);
1613         if (ret < 0)
1614                 return ret;
1615
1616         return -EINPROGRESS;
1617 }
1618
1619 struct last_connected {
1620         GTimeVal modified;
1621         gchar *ssid;
1622         int freq;
1623 };
1624
1625 static gint sort_entry(gconstpointer a, gconstpointer b, gpointer user_data)
1626 {
1627         GTimeVal *aval = (GTimeVal *)a;
1628         GTimeVal *bval = (GTimeVal *)b;
1629
1630         /* Note that the sort order is descending */
1631         if (aval->tv_sec < bval->tv_sec)
1632                 return 1;
1633
1634         if (aval->tv_sec > bval->tv_sec)
1635                 return -1;
1636
1637         return 0;
1638 }
1639
1640 static void free_entry(gpointer data)
1641 {
1642         struct last_connected *entry = data;
1643
1644         g_free(entry->ssid);
1645         g_free(entry);
1646 }
1647
1648 static int get_latest_connections(int max_ssids,
1649                                 GSupplicantScanParams *scan_data)
1650 {
1651         GSequenceIter *iter;
1652         GSequence *latest_list;
1653         struct last_connected *entry;
1654         GKeyFile *keyfile;
1655         GTimeVal modified;
1656         gchar **services;
1657         gchar *str;
1658         char *ssid;
1659         int i, freq;
1660         int num_ssids = 0;
1661
1662         latest_list = g_sequence_new(free_entry);
1663         if (!latest_list)
1664                 return -ENOMEM;
1665
1666         services = connman_storage_get_services();
1667         for (i = 0; services && services[i]; i++) {
1668                 if (strncmp(services[i], "wifi_", 5) != 0)
1669                         continue;
1670
1671                 keyfile = connman_storage_load_service(services[i]);
1672                 if (!keyfile)
1673                         continue;
1674
1675                 str = g_key_file_get_string(keyfile,
1676                                         services[i], "Favorite", NULL);
1677                 if (!str || g_strcmp0(str, "true")) {
1678                         g_free(str);
1679                         g_key_file_free(keyfile);
1680                         continue;
1681                 }
1682                 g_free(str);
1683
1684                 str = g_key_file_get_string(keyfile,
1685                                         services[i], "AutoConnect", NULL);
1686                 if (!str || g_strcmp0(str, "true")) {
1687                         g_free(str);
1688                         g_key_file_free(keyfile);
1689                         continue;
1690                 }
1691                 g_free(str);
1692
1693                 str = g_key_file_get_string(keyfile,
1694                                         services[i], "Modified", NULL);
1695                 if (!str) {
1696                         g_key_file_free(keyfile);
1697                         continue;
1698                 }
1699                 g_time_val_from_iso8601(str, &modified);
1700                 g_free(str);
1701
1702                 ssid = g_key_file_get_string(keyfile,
1703                                         services[i], "SSID", NULL);
1704
1705                 freq = g_key_file_get_integer(keyfile, services[i],
1706                                         "Frequency", NULL);
1707                 if (freq) {
1708                         entry = g_try_new(struct last_connected, 1);
1709                         if (!entry) {
1710                                 g_sequence_free(latest_list);
1711                                 g_key_file_free(keyfile);
1712                                 g_free(ssid);
1713                                 return -ENOMEM;
1714                         }
1715
1716                         entry->ssid = ssid;
1717                         entry->modified = modified;
1718                         entry->freq = freq;
1719
1720                         g_sequence_insert_sorted(latest_list, entry,
1721                                                 sort_entry, NULL);
1722                         num_ssids++;
1723                 } else
1724                         g_free(ssid);
1725
1726                 g_key_file_free(keyfile);
1727         }
1728
1729         g_strfreev(services);
1730
1731         num_ssids = num_ssids > max_ssids ? max_ssids : num_ssids;
1732
1733         iter = g_sequence_get_begin_iter(latest_list);
1734
1735         for (i = 0; i < num_ssids; i++) {
1736                 entry = g_sequence_get(iter);
1737
1738                 DBG("ssid %s freq %d modified %lu", entry->ssid, entry->freq,
1739                                                 entry->modified.tv_sec);
1740
1741                 add_scan_param(entry->ssid, NULL, 0, entry->freq, scan_data,
1742                                                 max_ssids, entry->ssid);
1743
1744                 iter = g_sequence_iter_next(iter);
1745         }
1746
1747         g_sequence_free(latest_list);
1748         return num_ssids;
1749 }
1750
1751 static int wifi_scan_simple(struct connman_device *device)
1752 {
1753         reset_autoscan(device);
1754
1755         return throw_wifi_scan(device, scan_callback_hidden);
1756 }
1757
1758 static gboolean p2p_find_stop(gpointer data)
1759 {
1760         struct connman_device *device = data;
1761         struct wifi_data *wifi = connman_device_get_data(device);
1762
1763         DBG("");
1764
1765         wifi->p2p_find_timeout = 0;
1766
1767         connman_device_set_scanning(device, CONNMAN_SERVICE_TYPE_P2P, false);
1768
1769         g_supplicant_interface_p2p_stop_find(wifi->interface);
1770
1771         connman_device_unref(device);
1772         reset_autoscan(device);
1773
1774         return FALSE;
1775 }
1776
1777 static void p2p_find_callback(int result, GSupplicantInterface *interface,
1778                                                         void *user_data)
1779 {
1780         struct connman_device *device = user_data;
1781         struct wifi_data *wifi = connman_device_get_data(device);
1782
1783         DBG("result %d wifi %p", result, wifi);
1784
1785         if (wifi->p2p_find_timeout) {
1786                 g_source_remove(wifi->p2p_find_timeout);
1787                 wifi->p2p_find_timeout = 0;
1788         }
1789
1790         if (result)
1791                 goto error;
1792
1793         wifi->p2p_find_timeout = g_timeout_add_seconds(P2P_FIND_TIMEOUT,
1794                                                         p2p_find_stop, device);
1795         if (!wifi->p2p_find_timeout)
1796                 goto error;
1797
1798         return;
1799 error:
1800         p2p_find_stop(device);
1801 }
1802
1803 static int p2p_find(struct connman_device *device)
1804 {
1805         struct wifi_data *wifi;
1806         int ret;
1807
1808         DBG("");
1809
1810         if (!p2p_technology)
1811                 return -ENOTSUP;
1812
1813         wifi = connman_device_get_data(device);
1814
1815         if (g_supplicant_interface_is_p2p_finding(wifi->interface))
1816                 return -EALREADY;
1817
1818         reset_autoscan(device);
1819         connman_device_ref(device);
1820
1821         ret = g_supplicant_interface_p2p_find(wifi->interface,
1822                                                 p2p_find_callback, device);
1823         if (ret) {
1824                 connman_device_unref(device);
1825                 start_autoscan(device);
1826         } else {
1827                 connman_device_set_scanning(device,
1828                                 CONNMAN_SERVICE_TYPE_P2P, true);
1829         }
1830
1831         return ret;
1832 }
1833
1834 /*
1835  * Note that the hidden scan is only used when connecting to this specific
1836  * hidden AP first time. It is not used when system autoconnects to hidden AP.
1837  */
1838 static int wifi_scan(enum connman_service_type type,
1839                         struct connman_device *device,
1840                         const char *ssid, unsigned int ssid_len,
1841                         const char *identity, const char* passphrase,
1842                         const char *security, void *user_data)
1843 {
1844         struct wifi_data *wifi = connman_device_get_data(device);
1845         GSupplicantScanParams *scan_params = NULL;
1846         struct scan_ssid *scan_ssid;
1847         struct hidden_params *hidden;
1848         int ret;
1849         int driver_max_ssids = 0;
1850         bool do_hidden;
1851         bool scanning;
1852
1853         if (!wifi)
1854                 return -ENODEV;
1855
1856         if (wifi->p2p_device)
1857                 return 0;
1858
1859         if (type == CONNMAN_SERVICE_TYPE_P2P)
1860                 return p2p_find(device);
1861
1862         DBG("device %p wifi %p hidden ssid %s", device, wifi->interface, ssid);
1863
1864         if (wifi->tethering)
1865                 return 0;
1866
1867         scanning = connman_device_get_scanning(device);
1868
1869         if (!ssid || ssid_len == 0 || ssid_len > 32) {
1870                 if (scanning)
1871                         return -EALREADY;
1872
1873                 driver_max_ssids = g_supplicant_interface_get_max_scan_ssids(
1874                                                         wifi->interface);
1875                 DBG("max ssids %d", driver_max_ssids);
1876                 if (driver_max_ssids == 0)
1877                         return wifi_scan_simple(device);
1878
1879                 do_hidden = false;
1880         } else {
1881                 if (scanning && wifi->hidden && wifi->postpone_hidden)
1882                         return -EALREADY;
1883
1884                 do_hidden = true;
1885         }
1886
1887         scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
1888         if (!scan_params)
1889                 return -ENOMEM;
1890
1891         if (do_hidden) {
1892                 scan_ssid = g_try_new(struct scan_ssid, 1);
1893                 if (!scan_ssid) {
1894                         g_free(scan_params);
1895                         return -ENOMEM;
1896                 }
1897
1898                 memcpy(scan_ssid->ssid, ssid, ssid_len);
1899                 scan_ssid->ssid_len = ssid_len;
1900                 scan_params->ssids = g_slist_prepend(scan_params->ssids,
1901                                                                 scan_ssid);
1902                 scan_params->num_ssids = 1;
1903
1904                 hidden = g_try_new0(struct hidden_params, 1);
1905                 if (!hidden) {
1906                         g_supplicant_free_scan_params(scan_params);
1907                         return -ENOMEM;
1908                 }
1909
1910                 if (wifi->hidden) {
1911                         hidden_free(wifi->hidden);
1912                         wifi->hidden = NULL;
1913                 }
1914
1915                 memcpy(hidden->ssid, ssid, ssid_len);
1916                 hidden->ssid_len = ssid_len;
1917                 hidden->identity = g_strdup(identity);
1918                 hidden->passphrase = g_strdup(passphrase);
1919                 hidden->security = g_strdup(security);
1920                 hidden->user_data = user_data;
1921                 wifi->hidden = hidden;
1922
1923                 if (scanning) {
1924                         /* Let's keep this active scan for later,
1925                          * when current scan will be over. */
1926                         wifi->postpone_hidden = TRUE;
1927                         hidden->scan_params = scan_params;
1928
1929                         return 0;
1930                 }
1931         } else if (wifi->connected) {
1932                 g_supplicant_free_scan_params(scan_params);
1933                 return wifi_scan_simple(device);
1934         } else {
1935                 ret = get_latest_connections(driver_max_ssids, scan_params);
1936                 if (ret <= 0) {
1937                         g_supplicant_free_scan_params(scan_params);
1938                         return wifi_scan_simple(device);
1939                 }
1940         }
1941
1942         connman_device_ref(device);
1943
1944 #if defined TIZEN_EXT
1945         /*To allow the Full Scan after ssid based scan, set the flag here
1946      It is required because Tizen does not use the ConnMan specific
1947      backgroung Scan feature.Tizen has added the BG Scan feature in net-config
1948      To sync with up ConnMan, we need to issue the Full Scan after SSID specific scan.*/
1949          wifi->allow_full_scan = TRUE;
1950 #endif
1951         reset_autoscan(device);
1952
1953         ret = g_supplicant_interface_scan(wifi->interface, scan_params,
1954                                                 scan_callback, device);
1955
1956         if (ret == 0) {
1957                 connman_device_set_scanning(device,
1958                                 CONNMAN_SERVICE_TYPE_WIFI, true);
1959         } else {
1960                 g_supplicant_free_scan_params(scan_params);
1961                 connman_device_unref(device);
1962
1963                 if (do_hidden) {
1964                         hidden_free(wifi->hidden);
1965                         wifi->hidden = NULL;
1966                 }
1967         }
1968
1969         return ret;
1970 }
1971
1972 static void wifi_regdom_callback(int result,
1973                                         const char *alpha2,
1974                                                 void *user_data)
1975 {
1976         struct connman_device *device = user_data;
1977
1978         connman_device_regdom_notify(device, result, alpha2);
1979
1980         connman_device_unref(device);
1981 }
1982
1983 static int wifi_set_regdom(struct connman_device *device, const char *alpha2)
1984 {
1985         struct wifi_data *wifi = connman_device_get_data(device);
1986         int ret;
1987
1988         if (!wifi)
1989                 return -EINVAL;
1990
1991         connman_device_ref(device);
1992
1993         ret = g_supplicant_interface_set_country(wifi->interface,
1994                                                 wifi_regdom_callback,
1995                                                         alpha2, device);
1996         if (ret != 0)
1997                 connman_device_unref(device);
1998
1999         return ret;
2000 }
2001
2002 static struct connman_device_driver wifi_ng_driver = {
2003         .name           = "wifi",
2004         .type           = CONNMAN_DEVICE_TYPE_WIFI,
2005         .priority       = CONNMAN_DEVICE_PRIORITY_LOW,
2006         .probe          = wifi_probe,
2007         .remove         = wifi_remove,
2008         .enable         = wifi_enable,
2009         .disable        = wifi_disable,
2010         .scan           = wifi_scan,
2011         .set_regdom     = wifi_set_regdom,
2012 };
2013
2014 static void system_ready(void)
2015 {
2016         DBG("");
2017
2018         if (connman_device_driver_register(&wifi_ng_driver) < 0)
2019                 connman_error("Failed to register WiFi driver");
2020 }
2021
2022 static void system_killed(void)
2023 {
2024         DBG("");
2025
2026         connman_device_driver_unregister(&wifi_ng_driver);
2027 }
2028
2029 static int network_probe(struct connman_network *network)
2030 {
2031         DBG("network %p", network);
2032
2033         return 0;
2034 }
2035
2036 static void network_remove(struct connman_network *network)
2037 {
2038         struct connman_device *device = connman_network_get_device(network);
2039         struct wifi_data *wifi;
2040
2041         DBG("network %p", network);
2042
2043         wifi = connman_device_get_data(device);
2044         if (!wifi)
2045                 return;
2046
2047         if (wifi->network != network)
2048                 return;
2049
2050         wifi->network = NULL;
2051
2052 #if defined TIZEN_EXT
2053         wifi->disconnecting = false;
2054
2055         if (wifi->pending_network == network)
2056                 wifi->pending_network = NULL;
2057
2058         if (wifi->scan_pending_network == network)
2059                 wifi->scan_pending_network = NULL;
2060 #endif
2061 }
2062
2063 static void connect_callback(int result, GSupplicantInterface *interface,
2064                                                         void *user_data)
2065 {
2066 #if defined TIZEN_EXT
2067         GList *list;
2068         struct wifi_data *wifi;
2069 #endif
2070         struct connman_network *network = user_data;
2071
2072         DBG("network %p result %d", network, result);
2073
2074 #if defined TIZEN_EXT
2075         for (list = iface_list; list; list = list->next) {
2076                 wifi = list->data;
2077
2078                 if (wifi && wifi->network == network)
2079                         goto found;
2080         }
2081
2082         /* wifi_data may be invalid because wifi is already disabled */
2083         return;
2084
2085 found:
2086 #endif
2087         if (result == -ENOKEY) {
2088                 connman_network_set_error(network,
2089                                         CONNMAN_NETWORK_ERROR_INVALID_KEY);
2090         } else if (result < 0) {
2091                 connman_network_set_error(network,
2092                                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
2093         }
2094
2095         connman_network_unref(network);
2096 }
2097
2098 static GSupplicantSecurity network_security(const char *security)
2099 {
2100         if (g_str_equal(security, "none"))
2101                 return G_SUPPLICANT_SECURITY_NONE;
2102         else if (g_str_equal(security, "wep"))
2103                 return G_SUPPLICANT_SECURITY_WEP;
2104         else if (g_str_equal(security, "psk"))
2105                 return G_SUPPLICANT_SECURITY_PSK;
2106         else if (g_str_equal(security, "wpa"))
2107                 return G_SUPPLICANT_SECURITY_PSK;
2108         else if (g_str_equal(security, "rsn"))
2109                 return G_SUPPLICANT_SECURITY_PSK;
2110         else if (g_str_equal(security, "ieee8021x"))
2111                 return G_SUPPLICANT_SECURITY_IEEE8021X;
2112 #if defined TIZEN_EXT
2113         else if (g_str_equal(security, "ft_psk") == TRUE)
2114                 return G_SUPPLICANT_SECURITY_FT_PSK;
2115         else if (g_str_equal(security, "ft_ieee8021x") == TRUE)
2116                 return G_SUPPLICANT_SECURITY_FT_IEEE8021X;
2117 #endif
2118
2119         return G_SUPPLICANT_SECURITY_UNKNOWN;
2120 }
2121
2122 static void ssid_init(GSupplicantSSID *ssid, struct connman_network *network)
2123 {
2124         const char *security;
2125
2126         memset(ssid, 0, sizeof(*ssid));
2127         ssid->mode = G_SUPPLICANT_MODE_INFRA;
2128         ssid->ssid = connman_network_get_blob(network, "WiFi.SSID",
2129                                                 &ssid->ssid_len);
2130         ssid->scan_ssid = 1;
2131         security = connman_network_get_string(network, "WiFi.Security");
2132         ssid->security = network_security(security);
2133         ssid->passphrase = connman_network_get_string(network,
2134                                                 "WiFi.Passphrase");
2135
2136         ssid->eap = connman_network_get_string(network, "WiFi.EAP");
2137
2138         /*
2139          * If our private key password is unset,
2140          * we use the supplied passphrase. That is needed
2141          * for PEAP where 2 passphrases (identity and client
2142          * cert may have to be provided.
2143          */
2144         if (!connman_network_get_string(network, "WiFi.PrivateKeyPassphrase"))
2145                 connman_network_set_string(network,
2146                                                 "WiFi.PrivateKeyPassphrase",
2147                                                 ssid->passphrase);
2148         /* We must have an identity for both PEAP and TLS */
2149         ssid->identity = connman_network_get_string(network, "WiFi.Identity");
2150
2151         /* Use agent provided identity as a fallback */
2152         if (!ssid->identity || strlen(ssid->identity) == 0)
2153                 ssid->identity = connman_network_get_string(network,
2154                                                         "WiFi.AgentIdentity");
2155
2156         ssid->ca_cert_path = connman_network_get_string(network,
2157                                                         "WiFi.CACertFile");
2158         ssid->client_cert_path = connman_network_get_string(network,
2159                                                         "WiFi.ClientCertFile");
2160         ssid->private_key_path = connman_network_get_string(network,
2161                                                         "WiFi.PrivateKeyFile");
2162         ssid->private_key_passphrase = connman_network_get_string(network,
2163                                                 "WiFi.PrivateKeyPassphrase");
2164         ssid->phase2_auth = connman_network_get_string(network, "WiFi.Phase2");
2165
2166         ssid->use_wps = connman_network_get_bool(network, "WiFi.UseWPS");
2167         ssid->pin_wps = connman_network_get_string(network, "WiFi.PinWPS");
2168
2169 #if defined TIZEN_EXT
2170         ssid->bssid = connman_network_get_bssid(network);
2171 #endif
2172 #if defined TIZEN_EXT
2173         ssid->freq = connman_network_get_frequency(network);
2174 #endif
2175
2176         if (connman_setting_get_bool("BackgroundScanning"))
2177                 ssid->bgscan = BGSCAN_DEFAULT;
2178 }
2179
2180 static int network_connect(struct connman_network *network)
2181 {
2182         struct connman_device *device = connman_network_get_device(network);
2183         struct wifi_data *wifi;
2184         GSupplicantInterface *interface;
2185         GSupplicantSSID *ssid;
2186
2187         DBG("network %p", network);
2188
2189         if (!device)
2190                 return -ENODEV;
2191
2192         wifi = connman_device_get_data(device);
2193         if (!wifi)
2194                 return -ENODEV;
2195
2196         ssid = g_try_malloc0(sizeof(GSupplicantSSID));
2197         if (!ssid)
2198                 return -ENOMEM;
2199
2200         interface = wifi->interface;
2201
2202         ssid_init(ssid, network);
2203
2204         if (wifi->disconnecting) {
2205                 wifi->pending_network = network;
2206                 g_free(ssid);
2207         } else {
2208                 wifi->network = connman_network_ref(network);
2209                 wifi->retries = 0;
2210 #if defined TIZEN_EXT
2211                 wifi->scan_pending_network = NULL;
2212 #endif
2213
2214                 return g_supplicant_interface_connect(interface, ssid,
2215                                                 connect_callback, network);
2216         }
2217
2218         return -EINPROGRESS;
2219 }
2220
2221 static void disconnect_callback(int result, GSupplicantInterface *interface,
2222                                                                 void *user_data)
2223 {
2224 #if defined TIZEN_EXT
2225         GList *list;
2226         struct wifi_data *wifi;
2227         struct connman_network *network = user_data;
2228
2229         DBG("network %p result %d", network, result);
2230
2231         for (list = iface_list; list; list = list->next) {
2232                 wifi = list->data;
2233
2234                 if (wifi->network == NULL && wifi->disconnecting == true)
2235                         wifi->disconnecting = false;
2236
2237                 if (wifi->network == network)
2238                         goto found;
2239         }
2240
2241         /* wifi_data may be invalid because wifi is already disabled */
2242         return;
2243
2244 found:
2245 #else
2246         struct wifi_data *wifi = user_data;
2247 #endif
2248
2249         DBG("result %d supplicant interface %p wifi %p",
2250                         result, interface, wifi);
2251
2252         if (result == -ECONNABORTED) {
2253                 DBG("wifi interface no longer available");
2254                 return;
2255         }
2256
2257         if (wifi->network) {
2258                 /*
2259                  * if result < 0 supplican return an error because
2260                  * the network is not current.
2261                  * we wont receive G_SUPPLICANT_STATE_DISCONNECTED since it
2262                  * failed, call connman_network_set_connected to report
2263                  * disconnect is completed.
2264                  */
2265                 if (result < 0)
2266                         connman_network_set_connected(wifi->network, false);
2267         }
2268
2269         wifi->network = NULL;
2270
2271         wifi->disconnecting = false;
2272
2273         if (wifi->pending_network) {
2274                 network_connect(wifi->pending_network);
2275                 wifi->pending_network = NULL;
2276         }
2277
2278         start_autoscan(wifi->device);
2279 }
2280
2281 static int network_disconnect(struct connman_network *network)
2282 {
2283         struct connman_device *device = connman_network_get_device(network);
2284         struct wifi_data *wifi;
2285         int err;
2286 #if defined TIZEN_EXT
2287         struct connman_service *service;
2288 #endif
2289
2290         DBG("network %p", network);
2291
2292         wifi = connman_device_get_data(device);
2293         if (!wifi || !wifi->interface)
2294                 return -ENODEV;
2295
2296 #if defined TIZEN_EXT
2297         if (connman_network_get_associating(network) == true) {
2298                 connman_network_clear_associating(network);
2299                 connman_network_set_bool(network, "WiFi.UseWPS", false);
2300         } else {
2301                 service = connman_service_lookup_from_network(network);
2302
2303                 if (service != NULL &&
2304                         (__connman_service_is_connected_state(service,
2305                                         CONNMAN_IPCONFIG_TYPE_IPV4) == false &&
2306                         __connman_service_is_connected_state(service,
2307                                         CONNMAN_IPCONFIG_TYPE_IPV6) == false) &&
2308                         (connman_service_get_favorite(service) == false))
2309                                         __connman_service_set_passphrase(service, NULL);
2310         }
2311
2312         if (wifi->pending_network == network)
2313                 wifi->pending_network = NULL;
2314
2315         if (wifi->scan_pending_network == network)
2316                 wifi->scan_pending_network = NULL;
2317
2318 #endif
2319         connman_network_set_associating(network, false);
2320
2321         if (wifi->disconnecting)
2322                 return -EALREADY;
2323
2324         wifi->disconnecting = true;
2325
2326 #if defined TIZEN_EXT
2327         err = g_supplicant_interface_disconnect(wifi->interface,
2328                                                 disconnect_callback, network);
2329 #else
2330         err = g_supplicant_interface_disconnect(wifi->interface,
2331                                                 disconnect_callback, wifi);
2332 #endif
2333
2334         if (err < 0)
2335                 wifi->disconnecting = false;
2336
2337         return err;
2338 }
2339
2340 static struct connman_network_driver network_driver = {
2341         .name           = "wifi",
2342         .type           = CONNMAN_NETWORK_TYPE_WIFI,
2343         .priority       = CONNMAN_NETWORK_PRIORITY_LOW,
2344         .probe          = network_probe,
2345         .remove         = network_remove,
2346         .connect        = network_connect,
2347         .disconnect     = network_disconnect,
2348 };
2349
2350 static void interface_added(GSupplicantInterface *interface)
2351 {
2352         const char *ifname = g_supplicant_interface_get_ifname(interface);
2353         const char *driver = g_supplicant_interface_get_driver(interface);
2354         struct wifi_data *wifi;
2355
2356         wifi = g_supplicant_interface_get_data(interface);
2357         if (!wifi) {
2358                 wifi = get_pending_wifi_data(ifname);
2359                 if (!wifi)
2360                         return;
2361
2362                 g_supplicant_interface_set_data(interface, wifi);
2363                 p2p_iface_list = g_list_append(p2p_iface_list, wifi);
2364                 wifi->p2p_device = true;
2365         }
2366
2367         DBG("ifname %s driver %s wifi %p tethering %d",
2368                         ifname, driver, wifi, wifi->tethering);
2369
2370         if (!wifi->device) {
2371                 connman_error("WiFi device not set");
2372                 return;
2373         }
2374
2375         connman_device_set_powered(wifi->device, true);
2376 }
2377
2378 static bool is_idle(struct wifi_data *wifi)
2379 {
2380         DBG("state %d", wifi->state);
2381
2382         switch (wifi->state) {
2383         case G_SUPPLICANT_STATE_UNKNOWN:
2384         case G_SUPPLICANT_STATE_DISABLED:
2385         case G_SUPPLICANT_STATE_DISCONNECTED:
2386         case G_SUPPLICANT_STATE_INACTIVE:
2387         case G_SUPPLICANT_STATE_SCANNING:
2388                 return true;
2389
2390         case G_SUPPLICANT_STATE_AUTHENTICATING:
2391         case G_SUPPLICANT_STATE_ASSOCIATING:
2392         case G_SUPPLICANT_STATE_ASSOCIATED:
2393         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2394         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2395         case G_SUPPLICANT_STATE_COMPLETED:
2396                 return false;
2397         }
2398
2399         return false;
2400 }
2401
2402 static bool is_idle_wps(GSupplicantInterface *interface,
2403                                                 struct wifi_data *wifi)
2404 {
2405         /* First, let's check if WPS processing did not went wrong */
2406         if (g_supplicant_interface_get_wps_state(interface) ==
2407                 G_SUPPLICANT_WPS_STATE_FAIL)
2408                 return false;
2409
2410         /* Unlike normal connection, being associated while processing wps
2411          * actually means that we are idling. */
2412         switch (wifi->state) {
2413         case G_SUPPLICANT_STATE_UNKNOWN:
2414         case G_SUPPLICANT_STATE_DISABLED:
2415         case G_SUPPLICANT_STATE_DISCONNECTED:
2416         case G_SUPPLICANT_STATE_INACTIVE:
2417         case G_SUPPLICANT_STATE_SCANNING:
2418         case G_SUPPLICANT_STATE_ASSOCIATED:
2419                 return true;
2420         case G_SUPPLICANT_STATE_AUTHENTICATING:
2421         case G_SUPPLICANT_STATE_ASSOCIATING:
2422         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2423         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2424         case G_SUPPLICANT_STATE_COMPLETED:
2425                 return false;
2426         }
2427
2428         return false;
2429 }
2430
2431 static bool handle_wps_completion(GSupplicantInterface *interface,
2432                                         struct connman_network *network,
2433                                         struct connman_device *device,
2434                                         struct wifi_data *wifi)
2435 {
2436         bool wps;
2437
2438         wps = connman_network_get_bool(network, "WiFi.UseWPS");
2439         if (wps) {
2440                 const unsigned char *ssid, *wps_ssid;
2441                 unsigned int ssid_len, wps_ssid_len;
2442                 const char *wps_key;
2443
2444                 /* Checking if we got associated with requested
2445                  * network */
2446                 ssid = connman_network_get_blob(network, "WiFi.SSID",
2447                                                 &ssid_len);
2448
2449                 wps_ssid = g_supplicant_interface_get_wps_ssid(
2450                         interface, &wps_ssid_len);
2451
2452                 if (!wps_ssid || wps_ssid_len != ssid_len ||
2453                                 memcmp(ssid, wps_ssid, ssid_len) != 0) {
2454                         connman_network_set_associating(network, false);
2455 #if defined TIZEN_EXT
2456                         g_supplicant_interface_disconnect(wifi->interface,
2457                                                 disconnect_callback, wifi->network);
2458
2459                         connman_network_set_bool(network, "WiFi.UseWPS", false);
2460                         connman_network_set_string(network, "WiFi.PinWPS", NULL);
2461 #else
2462                         g_supplicant_interface_disconnect(wifi->interface,
2463                                                 disconnect_callback, wifi);
2464 #endif
2465                         return false;
2466                 }
2467
2468                 wps_key = g_supplicant_interface_get_wps_key(interface);
2469                 connman_network_set_string(network, "WiFi.Passphrase",
2470                                         wps_key);
2471
2472                 connman_network_set_string(network, "WiFi.PinWPS", NULL);
2473         }
2474
2475         return true;
2476 }
2477
2478 static bool handle_4way_handshake_failure(GSupplicantInterface *interface,
2479                                         struct connman_network *network,
2480                                         struct wifi_data *wifi)
2481 {
2482 #if defined TIZEN_EXT
2483         const char *security;
2484         struct connman_service *service;
2485
2486         if (wifi->connected)
2487                 return false;
2488
2489         security = connman_network_get_string(network, "WiFi.Security");
2490
2491         if (g_str_equal(security, "ieee8021x") == true &&
2492                         wifi->state == G_SUPPLICANT_STATE_ASSOCIATED) {
2493                 wifi->retries = 0;
2494                 connman_network_set_error(network, CONNMAN_NETWORK_ERROR_INVALID_KEY);
2495
2496                 return false;
2497         }
2498
2499         if (wifi->state != G_SUPPLICANT_STATE_4WAY_HANDSHAKE)
2500                 return false;
2501 #else
2502         struct connman_service *service;
2503
2504         if (wifi->state != G_SUPPLICANT_STATE_4WAY_HANDSHAKE)
2505                 return false;
2506
2507         if (wifi->connected)
2508                 return false;
2509 #endif
2510
2511         service = connman_service_lookup_from_network(network);
2512         if (!service)
2513                 return false;
2514
2515         wifi->retries++;
2516
2517         if (connman_service_get_favorite(service)) {
2518                 if (wifi->retries < FAVORITE_MAXIMUM_RETRIES)
2519                         return true;
2520         }
2521
2522         wifi->retries = 0;
2523         connman_network_set_error(network, CONNMAN_NETWORK_ERROR_INVALID_KEY);
2524
2525         return false;
2526 }
2527
2528 #if defined TIZEN_EXT
2529 static bool handle_wifi_assoc_retry(struct connman_network *network,
2530                                         struct wifi_data *wifi)
2531 {
2532         const char *security;
2533
2534         if (!wifi->network || wifi->connected || wifi->disconnecting ||
2535                         connman_network_get_connecting(network) != true) {
2536                 wifi->assoc_retry_count = 0;
2537                 return false;
2538         }
2539
2540         if (wifi->state != G_SUPPLICANT_STATE_ASSOCIATING &&
2541                         wifi->state != G_SUPPLICANT_STATE_ASSOCIATED) {
2542                 wifi->assoc_retry_count = 0;
2543                 return false;
2544         }
2545
2546         security = connman_network_get_string(network, "WiFi.Security");
2547         if (g_str_equal(security, "ieee8021x") == true &&
2548                         wifi->state == G_SUPPLICANT_STATE_ASSOCIATED) {
2549                 wifi->assoc_retry_count = 0;
2550                 return false;
2551         }
2552
2553         if (++wifi->assoc_retry_count >= TIZEN_ASSOC_RETRY_COUNT) {
2554                 wifi->assoc_retry_count = 0;
2555
2556                 /* Honestly it's not an invalid-key error,
2557                  * however QA team recommends that the invalid-key error
2558                  * might be better to display for user experience.
2559                  */
2560                 connman_network_set_error(network, CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
2561
2562                 return false;
2563         }
2564
2565         return true;
2566 }
2567 #endif
2568
2569 static void interface_state(GSupplicantInterface *interface)
2570 {
2571         struct connman_network *network;
2572         struct connman_device *device;
2573         struct wifi_data *wifi;
2574         GSupplicantState state = g_supplicant_interface_get_state(interface);
2575         bool wps;
2576
2577         wifi = g_supplicant_interface_get_data(interface);
2578
2579         DBG("wifi %p interface state %d", wifi, state);
2580
2581         if (!wifi)
2582                 return;
2583
2584         device = wifi->device;
2585         if (!device)
2586                 return;
2587
2588         if (g_supplicant_interface_get_ready(interface) &&
2589                                         !wifi->interface_ready) {
2590                 wifi->interface_ready = true;
2591                 finalize_interface_creation(wifi);
2592         }
2593
2594         network = wifi->network;
2595         if (!network)
2596                 return;
2597
2598         switch (state) {
2599         case G_SUPPLICANT_STATE_SCANNING:
2600                 break;
2601
2602         case G_SUPPLICANT_STATE_AUTHENTICATING:
2603         case G_SUPPLICANT_STATE_ASSOCIATING:
2604 #if defined TIZEN_EXT
2605                 reset_autoscan(device);
2606 #else
2607                 stop_autoscan(device);
2608 #endif
2609
2610                 if (!wifi->connected)
2611                         connman_network_set_associating(network, true);
2612
2613                 break;
2614
2615         case G_SUPPLICANT_STATE_COMPLETED:
2616 #if defined TIZEN_EXT
2617                 /* though it should be already reset: */
2618                 reset_autoscan(device);
2619
2620                 wifi->assoc_retry_count = 0;
2621
2622                 wifi->scan_pending_network = NULL;
2623
2624                 /* should be cleared scanning flag */
2625                 bool scanning = connman_device_get_scanning(device);
2626                 if (scanning){
2627                         connman_device_set_scanning(device,
2628                                 CONNMAN_SERVICE_TYPE_WIFI, false);
2629                         connman_device_unref(device);
2630                 }
2631 #else
2632                 /* though it should be already stopped: */
2633                 stop_autoscan(device);
2634 #endif
2635
2636                 if (!handle_wps_completion(interface, network, device, wifi))
2637                         break;
2638
2639                 connman_network_set_connected(network, true);
2640                 wifi->disconnect_code = 0;
2641                 break;
2642
2643         case G_SUPPLICANT_STATE_DISCONNECTED:
2644                 /*
2645                  * If we're in one of the idle modes, we have
2646                  * not started association yet and thus setting
2647                  * those ones to FALSE could cancel an association
2648                  * in progress.
2649                  */
2650                 wps = connman_network_get_bool(network, "WiFi.UseWPS");
2651                 if (wps)
2652                         if (is_idle_wps(interface, wifi))
2653                                 break;
2654
2655                 if (is_idle(wifi))
2656                         break;
2657
2658                 /* If previous state was 4way-handshake, then
2659                  * it's either: psk was incorrect and thus we retry
2660                  * or if we reach the maximum retries we declare the
2661                  * psk as wrong */
2662                 if (handle_4way_handshake_failure(interface,
2663                                                 network, wifi))
2664                         break;
2665
2666                 /* See table 8-36 Reason codes in IEEE Std 802.11 */
2667                 switch (wifi->disconnect_code) {
2668                 case 1: /* Unspecified reason */
2669                         /* Let's assume it's because we got blocked */
2670
2671                 case 6: /* Class 2 frame received from nonauthenticated STA */
2672                         connman_network_set_error(network,
2673                                                 CONNMAN_NETWORK_ERROR_BLOCKED);
2674                         break;
2675
2676                 default:
2677                         break;
2678                 }
2679
2680
2681                 /* We disable the selected network, if not then
2682                  * wpa_supplicant will loop retrying */
2683                 if (g_supplicant_interface_enable_selected_network(interface,
2684                                                 FALSE) != 0)
2685                         DBG("Could not disables selected network");
2686
2687 #if defined TIZEN_EXT
2688                 int err;
2689
2690                 err = g_supplicant_interface_remove_network(wifi->interface);
2691                 if (err < 0)
2692                         DBG("Failed to remove network(%d)", err);
2693
2694
2695                 /* Some of Wi-Fi networks are not comply Wi-Fi specification.
2696                  * Retry association until its retry count is expired */
2697                 if (handle_wifi_assoc_retry(network, wifi) == true) {
2698                         throw_wifi_scan(wifi->device, scan_callback);
2699                         wifi->scan_pending_network = wifi->network;
2700                         break;
2701                 }
2702
2703                 if(wifi->disconnect_code > 0){
2704                         DBG("Set disconnect reason code(%d)", wifi->disconnect_code);
2705                         connman_network_set_disconnect_reason(network, wifi->disconnect_code);
2706                 }
2707
2708                 /* To avoid unnecessary repeated association in wpa_supplicant,
2709                  * "RemoveNetwork" should be made when Wi-Fi is disconnected */
2710                 if (wps != true && wifi->network && wifi->disconnecting == false) {
2711                         wifi->disconnecting = true;
2712                         err = g_supplicant_interface_disconnect(wifi->interface,
2713                                                         disconnect_callback, wifi->network);
2714                         if (err < 0)
2715                                 wifi->disconnecting = false;
2716
2717                 connman_network_set_connected(network, false);
2718                 connman_network_set_associating(network, false);
2719
2720                 start_autoscan(device);
2721
2722                 break;
2723                 }
2724 #endif
2725
2726                 connman_network_set_connected(network, false);
2727                 connman_network_set_associating(network, false);
2728                 wifi->disconnecting = false;
2729
2730                 start_autoscan(device);
2731
2732                 break;
2733
2734         case G_SUPPLICANT_STATE_INACTIVE:
2735 #if defined TIZEN_EXT
2736                 if (handle_wps_completion(interface, network, device, wifi) == false)
2737                         break;
2738 #endif
2739                 connman_network_set_associating(network, false);
2740                 start_autoscan(device);
2741
2742                 break;
2743
2744         case G_SUPPLICANT_STATE_UNKNOWN:
2745         case G_SUPPLICANT_STATE_DISABLED:
2746         case G_SUPPLICANT_STATE_ASSOCIATED:
2747         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2748         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2749                 break;
2750         }
2751
2752         wifi->state = state;
2753
2754         /* Saving wpa_s state policy:
2755          * If connected and if the state changes are roaming related:
2756          * --> We stay connected
2757          * If completed
2758          * --> We are connected
2759          * All other case:
2760          * --> We are not connected
2761          * */
2762         switch (state) {
2763 #if defined TIZEN_EXT
2764         case G_SUPPLICANT_STATE_SCANNING:
2765                 break;
2766 #endif
2767         case G_SUPPLICANT_STATE_AUTHENTICATING:
2768         case G_SUPPLICANT_STATE_ASSOCIATING:
2769         case G_SUPPLICANT_STATE_ASSOCIATED:
2770         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2771         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2772                 if (wifi->connected)
2773                         connman_warn("Probably roaming right now!"
2774                                                 " Staying connected...");
2775                 else
2776                         wifi->connected = false;
2777                 break;
2778         case G_SUPPLICANT_STATE_COMPLETED:
2779                 wifi->connected = true;
2780                 break;
2781         default:
2782                 wifi->connected = false;
2783                 break;
2784         }
2785
2786         DBG("DONE");
2787 }
2788
2789 static void interface_removed(GSupplicantInterface *interface)
2790 {
2791         const char *ifname = g_supplicant_interface_get_ifname(interface);
2792         struct wifi_data *wifi;
2793
2794         DBG("ifname %s", ifname);
2795
2796         wifi = g_supplicant_interface_get_data(interface);
2797
2798         if (wifi)
2799                 wifi->interface = NULL;
2800
2801         if (wifi && wifi->tethering)
2802                 return;
2803
2804         if (!wifi || !wifi->device) {
2805                 DBG("wifi interface already removed");
2806                 return;
2807         }
2808
2809         connman_device_set_powered(wifi->device, false);
2810
2811         check_p2p_technology();
2812 }
2813
2814 static void set_device_type(const char *type, char dev_type[17])
2815 {
2816         const char *oui = "0050F204";
2817         const char *category = "0100";
2818         const char *sub_category = "0000";
2819
2820         if (!g_strcmp0(type, "handset")) {
2821                 category = "0A00";
2822                 sub_category = "0500";
2823         } else if (!g_strcmp0(type, "vm") || !g_strcmp0(type, "container"))
2824                 sub_category = "0100";
2825         else if (!g_strcmp0(type, "server"))
2826                 sub_category = "0200";
2827         else if (!g_strcmp0(type, "laptop"))
2828                 sub_category = "0500";
2829         else if (!g_strcmp0(type, "desktop"))
2830                 sub_category = "0600";
2831         else if (!g_strcmp0(type, "tablet"))
2832                 sub_category = "0900";
2833         else if (!g_strcmp0(type, "watch"))
2834                 category = "FF00";
2835
2836         snprintf(dev_type, 17, "%s%s%s", category, oui, sub_category);
2837 }
2838
2839 static void p2p_support(GSupplicantInterface *interface)
2840 {
2841         char dev_type[17] = {};
2842         const char *hostname;
2843
2844         DBG("");
2845
2846         if (!g_supplicant_interface_has_p2p(interface))
2847                 return;
2848
2849         if (connman_technology_driver_register(&p2p_tech_driver) < 0) {
2850                 DBG("Could not register P2P technology driver");
2851                 return;
2852         }
2853
2854         hostname = connman_utsname_get_hostname();
2855         if (!hostname)
2856                 hostname = "ConnMan";
2857
2858         set_device_type(connman_machine_get_type(), dev_type);
2859         g_supplicant_interface_set_p2p_device_config(interface,
2860                                                         hostname, dev_type);
2861         connman_peer_driver_register(&peer_driver);
2862 }
2863
2864 static void scan_started(GSupplicantInterface *interface)
2865 {
2866         DBG("");
2867 }
2868
2869 static void scan_finished(GSupplicantInterface *interface)
2870 {
2871 #if defined TIZEN_EXT
2872         struct wifi_data *wifi;
2873         bool is_associating = false;
2874         static bool is_scanning = true;
2875 #endif
2876
2877         DBG("");
2878
2879 #if defined TIZEN_EXT
2880         wifi = g_supplicant_interface_get_data(interface);
2881         if (wifi && wifi->scan_pending_network) {
2882                 network_connect(wifi->scan_pending_network);
2883                 wifi->scan_pending_network = NULL;
2884         }
2885
2886         //service state - associating
2887         if(!wifi || !wifi->network)
2888                 return;
2889
2890         is_associating = connman_network_get_associating(wifi->network);
2891         if(is_associating && is_scanning){
2892                 is_scanning = false;
2893                 DBG("send scan for connecting");
2894                 throw_wifi_scan(wifi->device, scan_callback);
2895
2896                 return;
2897         }
2898         is_scanning = true;
2899
2900         //go scan
2901
2902 #endif
2903 }
2904
2905 static unsigned char calculate_strength(GSupplicantNetwork *supplicant_network)
2906 {
2907         unsigned char strength;
2908
2909         strength = 120 + g_supplicant_network_get_signal(supplicant_network);
2910
2911 #if !defined TIZEN_EXT
2912         if (strength > 100)
2913                 strength = 100;
2914 #endif
2915         return strength;
2916 }
2917
2918 static void network_added(GSupplicantNetwork *supplicant_network)
2919 {
2920         struct connman_network *network;
2921         GSupplicantInterface *interface;
2922         struct wifi_data *wifi;
2923         const char *name, *identifier, *security, *group, *mode;
2924         const unsigned char *ssid;
2925         unsigned int ssid_len;
2926         bool wps;
2927         bool wps_pbc;
2928         bool wps_ready;
2929         bool wps_advertizing;
2930
2931         mode = g_supplicant_network_get_mode(supplicant_network);
2932         identifier = g_supplicant_network_get_identifier(supplicant_network);
2933
2934         DBG("%s", identifier);
2935
2936         if (!g_strcmp0(mode, "adhoc"))
2937                 return;
2938
2939         interface = g_supplicant_network_get_interface(supplicant_network);
2940         wifi = g_supplicant_interface_get_data(interface);
2941         name = g_supplicant_network_get_name(supplicant_network);
2942         security = g_supplicant_network_get_security(supplicant_network);
2943         group = g_supplicant_network_get_identifier(supplicant_network);
2944         wps = g_supplicant_network_get_wps(supplicant_network);
2945         wps_pbc = g_supplicant_network_is_wps_pbc(supplicant_network);
2946         wps_ready = g_supplicant_network_is_wps_active(supplicant_network);
2947         wps_advertizing = g_supplicant_network_is_wps_advertizing(
2948                                                         supplicant_network);
2949
2950         if (!wifi)
2951                 return;
2952
2953         ssid = g_supplicant_network_get_ssid(supplicant_network, &ssid_len);
2954
2955         network = connman_device_get_network(wifi->device, identifier);
2956
2957         if (!network) {
2958                 network = connman_network_create(identifier,
2959                                                 CONNMAN_NETWORK_TYPE_WIFI);
2960                 if (!network)
2961                         return;
2962
2963                 connman_network_set_index(network, wifi->index);
2964
2965                 if (connman_device_add_network(wifi->device, network) < 0) {
2966                         connman_network_unref(network);
2967                         return;
2968                 }
2969
2970                 wifi->networks = g_slist_prepend(wifi->networks, network);
2971         }
2972
2973         if (name && name[0] != '\0')
2974                 connman_network_set_name(network, name);
2975
2976         connman_network_set_blob(network, "WiFi.SSID",
2977                                                 ssid, ssid_len);
2978         connman_network_set_string(network, "WiFi.Security", security);
2979         connman_network_set_strength(network,
2980                                 calculate_strength(supplicant_network));
2981         connman_network_set_bool(network, "WiFi.WPS", wps);
2982
2983         if (wps) {
2984                 /* Is AP advertizing for WPS association?
2985                  * If so, we decide to use WPS by default */
2986                 if (wps_ready && wps_pbc &&
2987                                                 wps_advertizing) {
2988 #if !defined TIZEN_EXT
2989                         connman_network_set_bool(network, "WiFi.UseWPS", true);
2990 #else
2991                         DBG("wps is activating by ap but ignore it.");
2992 #endif
2993                 }
2994         }
2995
2996         connman_network_set_frequency(network,
2997                         g_supplicant_network_get_frequency(supplicant_network));
2998 #if defined TIZEN_EXT
2999         connman_network_set_bssid(network,
3000                         g_supplicant_network_get_bssid(supplicant_network));
3001         connman_network_set_maxrate(network,
3002                         g_supplicant_network_get_maxrate(supplicant_network));
3003         connman_network_set_enc_mode(network,
3004                         g_supplicant_network_get_enc_mode(supplicant_network));
3005         connman_network_set_rsn_mode(network,
3006                         g_supplicant_network_get_rsn_mode(supplicant_network));
3007         connman_network_set_keymgmt(network,
3008                         g_supplicant_network_get_keymgmt(supplicant_network));
3009 #endif
3010         connman_network_set_available(network, true);
3011         connman_network_set_string(network, "WiFi.Mode", mode);
3012
3013 #if defined TIZEN_EXT
3014         if (group)
3015 #else
3016         if (ssid)
3017 #endif
3018                 connman_network_set_group(network, group);
3019
3020 #if defined TIZEN_EXT
3021         if (wifi_first_scan == true)
3022                 found_with_first_scan = true;
3023 #endif
3024
3025         if (wifi->hidden && ssid) {
3026 #if defined TIZEN_EXT
3027                 if (network_security(wifi->hidden->security) ==
3028                         network_security(security) &&
3029 #else
3030                 if (!g_strcmp0(wifi->hidden->security, security) &&
3031 #endif
3032                                 wifi->hidden->ssid_len == ssid_len &&
3033                                 !memcmp(wifi->hidden->ssid, ssid, ssid_len)) {
3034                         connman_network_connect_hidden(network,
3035                                         wifi->hidden->identity,
3036                                         wifi->hidden->passphrase,
3037                                         wifi->hidden->user_data);
3038                         wifi->hidden->user_data = NULL;
3039                         hidden_free(wifi->hidden);
3040                         wifi->hidden = NULL;
3041                 }
3042         }
3043 }
3044
3045 static void network_removed(GSupplicantNetwork *network)
3046 {
3047         GSupplicantInterface *interface;
3048         struct wifi_data *wifi;
3049         const char *name, *identifier;
3050         struct connman_network *connman_network;
3051
3052         interface = g_supplicant_network_get_interface(network);
3053         wifi = g_supplicant_interface_get_data(interface);
3054         identifier = g_supplicant_network_get_identifier(network);
3055         name = g_supplicant_network_get_name(network);
3056
3057         DBG("name %s", name);
3058
3059         if (!wifi)
3060                 return;
3061
3062         connman_network = connman_device_get_network(wifi->device, identifier);
3063         if (!connman_network)
3064                 return;
3065
3066 #if defined TIZEN_EXT
3067         if (connman_network == wifi->scan_pending_network)
3068                 wifi->scan_pending_network = NULL;
3069
3070         if (connman_network == wifi->pending_network)
3071                 wifi->pending_network = NULL;
3072
3073         if(connman_network_get_connecting(connman_network) == true){
3074                 connman_network_set_connected(connman_network, false);
3075         }
3076 #endif
3077
3078         wifi->networks = g_slist_remove(wifi->networks, connman_network);
3079
3080         connman_device_remove_network(wifi->device, connman_network);
3081         connman_network_unref(connman_network);
3082 }
3083
3084 static void network_changed(GSupplicantNetwork *network, const char *property)
3085 {
3086         GSupplicantInterface *interface;
3087         struct wifi_data *wifi;
3088         const char *name, *identifier;
3089         struct connman_network *connman_network;
3090
3091 #if defined TIZEN_EXT
3092         const unsigned char *bssid;
3093         unsigned int maxrate;
3094         uint16_t frequency;
3095         bool wps;
3096 #endif
3097
3098         interface = g_supplicant_network_get_interface(network);
3099         wifi = g_supplicant_interface_get_data(interface);
3100         identifier = g_supplicant_network_get_identifier(network);
3101         name = g_supplicant_network_get_name(network);
3102
3103         DBG("name %s", name);
3104
3105         if (!wifi)
3106                 return;
3107
3108         connman_network = connman_device_get_network(wifi->device, identifier);
3109         if (!connman_network)
3110                 return;
3111
3112         if (g_str_equal(property, "Signal")) {
3113                connman_network_set_strength(connman_network,
3114                                         calculate_strength(network));
3115                connman_network_update(connman_network);
3116         }
3117
3118 #if defined TIZEN_EXT
3119         bssid = g_supplicant_network_get_bssid(network);
3120         maxrate = g_supplicant_network_get_maxrate(network);
3121         frequency = g_supplicant_network_get_frequency(network);
3122         wps = g_supplicant_network_get_wps(network);
3123
3124         connman_network_set_bssid(connman_network, bssid);
3125         connman_network_set_maxrate(connman_network, maxrate);
3126         connman_network_set_frequency(connman_network, frequency);
3127         connman_network_set_bool(connman_network, "WiFi.WPS", wps);
3128 #endif
3129 }
3130
3131 static void apply_peer_services(GSupplicantPeer *peer,
3132                                 struct connman_peer *connman_peer)
3133 {
3134         const unsigned char *data;
3135         int length;
3136
3137         DBG("");
3138
3139         connman_peer_reset_services(connman_peer);
3140
3141         data = g_supplicant_peer_get_widi_ies(peer, &length);
3142         if (data) {
3143                 connman_peer_add_service(connman_peer,
3144                         CONNMAN_PEER_SERVICE_WIFI_DISPLAY, data, length);
3145         }
3146 }
3147
3148 static void add_station(const char *mac)
3149 {
3150         connman_technology_tethering_add_station(CONNMAN_SERVICE_TYPE_WIFI,
3151                                                  mac);
3152 }
3153
3154 static void remove_station(const char *mac)
3155 {
3156         connman_technology_tethering_remove_station(mac);
3157 }
3158
3159 static void peer_found(GSupplicantPeer *peer)
3160 {
3161         GSupplicantInterface *iface = g_supplicant_peer_get_interface(peer);
3162         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
3163         struct connman_peer *connman_peer;
3164         const char *identifier, *name;
3165         int ret;
3166
3167         identifier = g_supplicant_peer_get_identifier(peer);
3168         name = g_supplicant_peer_get_name(peer);
3169
3170         DBG("ident: %s", identifier);
3171
3172         connman_peer = connman_peer_get(wifi->device, identifier);
3173         if (connman_peer)
3174                 return;
3175
3176         connman_peer = connman_peer_create(identifier);
3177         connman_peer_set_name(connman_peer, name);
3178         connman_peer_set_device(connman_peer, wifi->device);
3179         apply_peer_services(peer, connman_peer);
3180
3181         ret = connman_peer_register(connman_peer);
3182         if (ret < 0 && ret != -EALREADY)
3183                 connman_peer_unref(connman_peer);
3184 }
3185
3186 static void peer_lost(GSupplicantPeer *peer)
3187 {
3188         GSupplicantInterface *iface = g_supplicant_peer_get_interface(peer);
3189         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
3190         struct connman_peer *connman_peer;
3191         const char *identifier;
3192
3193         if (!wifi)
3194                 return;
3195
3196         identifier = g_supplicant_peer_get_identifier(peer);
3197
3198         DBG("ident: %s", identifier);
3199
3200         connman_peer = connman_peer_get(wifi->device, identifier);
3201         if (connman_peer) {
3202                 if (wifi->p2p_connecting &&
3203                                 wifi->pending_peer == connman_peer) {
3204                         peer_connect_timeout(wifi);
3205                 }
3206                 connman_peer_unregister(connman_peer);
3207                 connman_peer_unref(connman_peer);
3208         }
3209 }
3210
3211 static void peer_changed(GSupplicantPeer *peer, GSupplicantPeerState state)
3212 {
3213         GSupplicantInterface *iface = g_supplicant_peer_get_interface(peer);
3214         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
3215         enum connman_peer_state p_state = CONNMAN_PEER_STATE_UNKNOWN;
3216         struct connman_peer *connman_peer;
3217         const char *identifier;
3218
3219         identifier = g_supplicant_peer_get_identifier(peer);
3220
3221         DBG("ident: %s", identifier);
3222
3223         connman_peer = connman_peer_get(wifi->device, identifier);
3224         if (!connman_peer)
3225                 return;
3226
3227         switch (state) {
3228         case G_SUPPLICANT_PEER_SERVICES_CHANGED:
3229                 apply_peer_services(peer, connman_peer);
3230                 connman_peer_services_changed(connman_peer);
3231                 return;
3232         case G_SUPPLICANT_PEER_GROUP_CHANGED:
3233                 if (!g_supplicant_peer_is_in_a_group(peer))
3234                         p_state = CONNMAN_PEER_STATE_IDLE;
3235                 else
3236                         p_state = CONNMAN_PEER_STATE_CONFIGURATION;
3237                 break;
3238         case G_SUPPLICANT_PEER_GROUP_STARTED:
3239                 break;
3240         case G_SUPPLICANT_PEER_GROUP_FINISHED:
3241                 p_state = CONNMAN_PEER_STATE_IDLE;
3242                 break;
3243         case G_SUPPLICANT_PEER_GROUP_JOINED:
3244                 connman_peer_set_iface_address(connman_peer,
3245                                 g_supplicant_peer_get_iface_address(peer));
3246                 break;
3247         case G_SUPPLICANT_PEER_GROUP_DISCONNECTED:
3248                 p_state = CONNMAN_PEER_STATE_IDLE;
3249                 break;
3250         case G_SUPPLICANT_PEER_GROUP_FAILED:
3251                 if (g_supplicant_peer_has_requested_connection(peer))
3252                         p_state = CONNMAN_PEER_STATE_IDLE;
3253                 else
3254                         p_state = CONNMAN_PEER_STATE_FAILURE;
3255                 break;
3256         }
3257
3258         if (p_state == CONNMAN_PEER_STATE_CONFIGURATION ||
3259                                         p_state == CONNMAN_PEER_STATE_FAILURE) {
3260                 if (wifi->p2p_connecting
3261                                 && connman_peer == wifi->pending_peer)
3262                         peer_cancel_timeout(wifi);
3263                 else
3264                         p_state = CONNMAN_PEER_STATE_UNKNOWN;
3265         }
3266
3267         if (p_state == CONNMAN_PEER_STATE_UNKNOWN)
3268                 return;
3269
3270         if (p_state == CONNMAN_PEER_STATE_CONFIGURATION) {
3271                 GSupplicantInterface *g_iface;
3272                 struct wifi_data *g_wifi;
3273
3274                 g_iface = g_supplicant_peer_get_group_interface(peer);
3275                 if (!g_iface)
3276                         return;
3277
3278                 g_wifi = g_supplicant_interface_get_data(g_iface);
3279                 if (!g_wifi)
3280                         return;
3281
3282                 connman_peer_set_as_master(connman_peer,
3283                                         !g_supplicant_peer_is_client(peer));
3284                 connman_peer_set_sub_device(connman_peer, g_wifi->device);
3285         }
3286
3287         connman_peer_set_state(connman_peer, p_state);
3288 }
3289
3290 static void peer_request(GSupplicantPeer *peer)
3291 {
3292         GSupplicantInterface *iface = g_supplicant_peer_get_interface(peer);
3293         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
3294         struct connman_peer *connman_peer;
3295         const char *identifier;
3296
3297         identifier = g_supplicant_peer_get_identifier(peer);
3298
3299         DBG("ident: %s", identifier);
3300
3301         connman_peer = connman_peer_get(wifi->device, identifier);
3302         if (!connman_peer)
3303                 return;
3304
3305         connman_peer_request_connection(connman_peer);
3306 }
3307
3308 #if defined TIZEN_EXT
3309 static void system_power_off(void)
3310 {
3311         GList *list;
3312         struct wifi_data *wifi;
3313         struct connman_service *service;
3314         struct connman_ipconfig *ipconfig_ipv4;
3315
3316         if (connman_setting_get_bool("WiFiDHCPRelease") == true) {
3317                 for (list = iface_list; list; list = list->next) {
3318                         wifi = list->data;
3319
3320                         if (wifi->network != NULL) {
3321                                 service = connman_service_lookup_from_network(wifi->network);
3322                                 ipconfig_ipv4 = __connman_service_get_ip4config(service);
3323                                 __connman_dhcp_stop(ipconfig_ipv4);
3324                         }
3325                 }
3326         }
3327 }
3328
3329 static void network_merged(GSupplicantNetwork *network)
3330 {
3331         GSupplicantInterface *interface;
3332         GSupplicantState state;
3333         struct wifi_data *wifi;
3334         const char *identifier;
3335         struct connman_network *connman_network;
3336         unsigned int ishs20AP = 0;
3337         char *temp = NULL;
3338
3339         interface = g_supplicant_network_get_interface(network);
3340         if (!interface)
3341                 return;
3342
3343         state = g_supplicant_interface_get_state(interface);
3344         if (state < G_SUPPLICANT_STATE_AUTHENTICATING)
3345                 return;
3346
3347         wifi = g_supplicant_interface_get_data(interface);
3348         if (!wifi)
3349                 return;
3350
3351         identifier = g_supplicant_network_get_identifier(network);
3352
3353         connman_network = connman_device_get_network(wifi->device, identifier);
3354         if (!connman_network)
3355                 return;
3356
3357         DBG("merged identifier %s", identifier);
3358
3359         if (wifi->connected == FALSE) {
3360                 switch (state) {
3361                 case G_SUPPLICANT_STATE_AUTHENTICATING:
3362                 case G_SUPPLICANT_STATE_ASSOCIATING:
3363                 case G_SUPPLICANT_STATE_ASSOCIATED:
3364                 case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
3365                 case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
3366                         connman_network_set_associating(connman_network, TRUE);
3367                         break;
3368                 case G_SUPPLICANT_STATE_COMPLETED:
3369                         connman_network_set_connected(connman_network, TRUE);
3370                         break;
3371                 default:
3372                         DBG("Not handled the state : %d", state);
3373                         break;
3374                 }
3375         }
3376
3377         ishs20AP = g_supplicant_network_is_hs20AP(network);
3378         connman_network_set_is_hs20AP(connman_network, ishs20AP);
3379
3380         if (ishs20AP &&
3381                 g_strcmp0(g_supplicant_network_get_security(network), "ieee8021x") == 0) {
3382                 temp = g_ascii_strdown(g_supplicant_network_get_eap(network), -1);
3383                 connman_network_set_string(connman_network, "WiFi.EAP",
3384                                 temp);
3385                 connman_network_set_string(connman_network, "WiFi.Identity",
3386                                 g_supplicant_network_get_identity(network));
3387                 connman_network_set_string(connman_network, "WiFi.Phase2",
3388                                 g_supplicant_network_get_phase2(network));
3389
3390                 g_free(temp);
3391         }
3392
3393         wifi->network = connman_network;
3394 }
3395 #endif
3396
3397 static void debug(const char *str)
3398 {
3399         if (getenv("CONNMAN_SUPPLICANT_DEBUG"))
3400                 connman_debug("%s", str);
3401 }
3402
3403 static void disconnect_reasoncode(GSupplicantInterface *interface,
3404                                 int reasoncode)
3405 {
3406         struct wifi_data *wifi = g_supplicant_interface_get_data(interface);
3407
3408         if (wifi != NULL) {
3409                 wifi->disconnect_code = reasoncode;
3410         }
3411 }
3412
3413
3414 static const GSupplicantCallbacks callbacks = {
3415         .system_ready           = system_ready,
3416         .system_killed          = system_killed,
3417         .interface_added        = interface_added,
3418         .interface_state        = interface_state,
3419         .interface_removed      = interface_removed,
3420         .p2p_support            = p2p_support,
3421         .scan_started           = scan_started,
3422         .scan_finished          = scan_finished,
3423         .network_added          = network_added,
3424         .network_removed        = network_removed,
3425         .network_changed        = network_changed,
3426         .add_station            = add_station,
3427         .remove_station         = remove_station,
3428         .peer_found             = peer_found,
3429         .peer_lost              = peer_lost,
3430         .peer_changed           = peer_changed,
3431         .peer_request           = peer_request,
3432 #if defined TIZEN_EXT
3433         .system_power_off       = system_power_off,
3434         .network_merged = network_merged,
3435 #endif
3436         .disconnect_reasoncode  = disconnect_reasoncode,
3437         .debug                  = debug,
3438 };
3439
3440
3441 static int tech_probe(struct connman_technology *technology)
3442 {
3443         wifi_technology = technology;
3444
3445         return 0;
3446 }
3447
3448 static void tech_remove(struct connman_technology *technology)
3449 {
3450         wifi_technology = NULL;
3451 }
3452
3453 struct wifi_tethering_info {
3454         struct wifi_data *wifi;
3455         struct connman_technology *technology;
3456         char *ifname;
3457         GSupplicantSSID *ssid;
3458 };
3459
3460 static GSupplicantSSID *ssid_ap_init(const char *ssid,
3461                 const char *passphrase, bool hidden)
3462 {
3463         GSupplicantSSID *ap;
3464
3465         ap = g_try_malloc0(sizeof(GSupplicantSSID));
3466         if (!ap)
3467                 return NULL;
3468
3469         ap->mode = G_SUPPLICANT_MODE_MASTER;
3470         ap->ssid = ssid;
3471         ap->ssid_len = strlen(ssid);
3472         ap->scan_ssid = 0;
3473         ap->freq = 2412;
3474
3475         if (!passphrase || strlen(passphrase) == 0) {
3476                 ap->security = G_SUPPLICANT_SECURITY_NONE;
3477                 ap->passphrase = NULL;
3478         } else {
3479                ap->security = G_SUPPLICANT_SECURITY_PSK;
3480                ap->protocol = G_SUPPLICANT_PROTO_RSN;
3481                ap->pairwise_cipher = G_SUPPLICANT_PAIRWISE_CCMP;
3482                ap->group_cipher = G_SUPPLICANT_GROUP_CCMP;
3483                ap->passphrase = passphrase;
3484         }
3485
3486         if (hidden)
3487                 ap->ignore_broadcast_ssid =
3488                                 G_SUPPLICANT_AP_HIDDEN_SSID_ZERO_CONTENTS;
3489         else
3490                 ap->ignore_broadcast_ssid = G_SUPPLICANT_AP_NO_SSID_HIDING;
3491
3492         return ap;
3493 }
3494
3495 static void ap_start_callback(int result, GSupplicantInterface *interface,
3496                                                         void *user_data)
3497 {
3498         struct wifi_tethering_info *info = user_data;
3499
3500         DBG("result %d index %d bridge %s",
3501                 result, info->wifi->index, info->wifi->bridge);
3502
3503         if (result < 0) {
3504                 connman_inet_remove_from_bridge(info->wifi->index,
3505                                                         info->wifi->bridge);
3506                 connman_technology_tethering_notify(info->technology, false);
3507         }
3508
3509         g_free(info->ifname);
3510         g_free(info);
3511 }
3512
3513 static void ap_create_callback(int result,
3514                                 GSupplicantInterface *interface,
3515                                         void *user_data)
3516 {
3517         struct wifi_tethering_info *info = user_data;
3518
3519         DBG("result %d ifname %s", result,
3520                                 g_supplicant_interface_get_ifname(interface));
3521
3522         if (result < 0) {
3523                 connman_inet_remove_from_bridge(info->wifi->index,
3524                                                         info->wifi->bridge);
3525                 connman_technology_tethering_notify(info->technology, false);
3526
3527                 g_free(info->ifname);
3528                 g_free(info->ssid);
3529                 g_free(info);
3530                 return;
3531         }
3532
3533         info->wifi->interface = interface;
3534         g_supplicant_interface_set_data(interface, info->wifi);
3535
3536         if (g_supplicant_interface_set_apscan(interface, 2) < 0)
3537                 connman_error("Failed to set interface ap_scan property");
3538
3539         g_supplicant_interface_connect(interface, info->ssid,
3540                                                 ap_start_callback, info);
3541 }
3542
3543 static void sta_remove_callback(int result,
3544                                 GSupplicantInterface *interface,
3545                                         void *user_data)
3546 {
3547         struct wifi_tethering_info *info = user_data;
3548         const char *driver = connman_option_get_string("wifi");
3549
3550         DBG("ifname %s result %d ", info->ifname, result);
3551
3552         if (result < 0) {
3553                 info->wifi->tethering = true;
3554
3555                 g_free(info->ifname);
3556                 g_free(info->ssid);
3557                 g_free(info);
3558                 return;
3559         }
3560
3561         info->wifi->interface = NULL;
3562
3563         connman_technology_tethering_notify(info->technology, true);
3564
3565         g_supplicant_interface_create(info->ifname, driver, info->wifi->bridge,
3566                                                 ap_create_callback,
3567                                                         info);
3568 }
3569
3570 static int tech_set_tethering(struct connman_technology *technology,
3571                                 const char *identifier, const char *passphrase,
3572                                 const char *bridge, bool enabled, bool hidden)
3573 {
3574         GList *list;
3575         GSupplicantInterface *interface;
3576         struct wifi_data *wifi;
3577         struct wifi_tethering_info *info;
3578         const char *ifname;
3579         unsigned int mode;
3580         int err;
3581
3582         DBG("");
3583
3584         if (!enabled) {
3585                 for (list = iface_list; list; list = list->next) {
3586                         wifi = list->data;
3587
3588                         if (wifi->tethering) {
3589                                 wifi->tethering = false;
3590
3591                                 connman_inet_remove_from_bridge(wifi->index,
3592                                                                         bridge);
3593                                 wifi->bridged = false;
3594                         }
3595                 }
3596
3597                 connman_technology_tethering_notify(technology, false);
3598
3599                 return 0;
3600         }
3601
3602         for (list = iface_list; list; list = list->next) {
3603                 wifi = list->data;
3604
3605                 interface = wifi->interface;
3606
3607                 if (!interface)
3608                         continue;
3609
3610                 ifname = g_supplicant_interface_get_ifname(wifi->interface);
3611
3612                 mode = g_supplicant_interface_get_mode(interface);
3613                 if ((mode & G_SUPPLICANT_CAPABILITY_MODE_AP) == 0) {
3614                         DBG("%s does not support AP mode", ifname);
3615                         continue;
3616                 }
3617
3618                 info = g_try_malloc0(sizeof(struct wifi_tethering_info));
3619                 if (!info)
3620                         return -ENOMEM;
3621
3622                 info->wifi = wifi;
3623                 info->technology = technology;
3624                 info->wifi->bridge = bridge;
3625                 info->ssid = ssid_ap_init(identifier, passphrase, hidden);
3626                 if (!info->ssid) {
3627                         g_free(info);
3628                         continue;
3629                 }
3630                 info->ifname = g_strdup(ifname);
3631                 if (!info->ifname) {
3632                         g_free(info->ssid);
3633                         g_free(info);
3634                         continue;
3635                 }
3636
3637                 info->wifi->tethering = true;
3638
3639                 err = g_supplicant_interface_remove(interface,
3640                                                 sta_remove_callback,
3641                                                         info);
3642                 if (err == 0)
3643                         return err;
3644         }
3645
3646         return -EOPNOTSUPP;
3647 }
3648
3649 static void regdom_callback(int result, const char *alpha2, void *user_data)
3650 {
3651         DBG("");
3652
3653         if (!wifi_technology)
3654                 return;
3655
3656         if (result != 0)
3657                 alpha2 = NULL;
3658
3659         connman_technology_regdom_notify(wifi_technology, alpha2);
3660 }
3661
3662 static int tech_set_regdom(struct connman_technology *technology, const char *alpha2)
3663 {
3664         return g_supplicant_set_country(alpha2, regdom_callback, NULL);
3665 }
3666
3667 static struct connman_technology_driver tech_driver = {
3668         .name           = "wifi",
3669         .type           = CONNMAN_SERVICE_TYPE_WIFI,
3670         .probe          = tech_probe,
3671         .remove         = tech_remove,
3672         .set_tethering  = tech_set_tethering,
3673         .set_regdom     = tech_set_regdom,
3674 };
3675
3676 static int wifi_init(void)
3677 {
3678         int err;
3679
3680         err = connman_network_driver_register(&network_driver);
3681         if (err < 0)
3682                 return err;
3683
3684         err = g_supplicant_register(&callbacks);
3685         if (err < 0) {
3686                 connman_network_driver_unregister(&network_driver);
3687                 return err;
3688         }
3689
3690         err = connman_technology_driver_register(&tech_driver);
3691         if (err < 0) {
3692                 g_supplicant_unregister(&callbacks);
3693                 connman_network_driver_unregister(&network_driver);
3694                 return err;
3695         }
3696
3697         return 0;
3698 }
3699
3700 static void wifi_exit(void)
3701 {
3702         DBG();
3703
3704         connman_technology_driver_unregister(&tech_driver);
3705
3706         g_supplicant_unregister(&callbacks);
3707
3708         connman_network_driver_unregister(&network_driver);
3709 }
3710
3711 CONNMAN_PLUGIN_DEFINE(wifi, "WiFi interface plugin", VERSION,
3712                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, wifi_init, wifi_exit)