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