plugins/wifi.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2014  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <unistd.h>
  27 #include <stdlib.h>
  28 #include <errno.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31 #include <sys/ioctl.h>
  32 #include <sys/socket.h>
  33 #include <linux/if_arp.h>
  34 #include <linux/wireless.h>
  35 #include <net/ethernet.h>
  36
  37 #ifndef IFF_LOWER_UP
  38 #define IFF_LOWER_UP    0x10000
  39 #endif
  40
  41 #include <dbus/dbus.h>
  42 #include <glib.h>
  43
  44 #define CONNMAN_API_SUBJECT_TO_CHANGE
  45 #include <connman/plugin.h>
  46 #include <connman/inet.h>
  47 #include <connman/device.h>
  48 #include <connman/rtnl.h>
  49 #include <connman/technology.h>
  50 #include <connman/service.h>
  51 #include <connman/peer.h>
  52 #include <connman/log.h>
  53 #include <connman/option.h>
  54 #include <connman/storage.h>
  55 #include <include/setting.h>
  56 #include <connman/provision.h>
  57 #include <connman/utsname.h>
  58 #include <connman/machine.h>
  59
  60 #include <gsupplicant/gsupplicant.h>
  61
  62 #define CLEANUP_TIMEOUT   8     /* in seconds */
  63 #define INACTIVE_TIMEOUT  12    /* in seconds */
  64 #define FAVORITE_MAXIMUM_RETRIES 2
  65
  66 #define BGSCAN_DEFAULT "simple:30:-45:300"
  67 #define AUTOSCAN_DEFAULT "exponential:3:300"
  68
  69 #define P2P_FIND_TIMEOUT 30
  70 #define P2P_CONNECTION_TIMEOUT 100
  71 #define P2P_LISTEN_PERIOD 500
  72 #define P2P_LISTEN_INTERVAL 2000
  73
  74 static struct connman_technology *wifi_technology = NULL;
  75 static struct connman_technology *p2p_technology = NULL;
  76
  77 struct hidden_params {
  78         char ssid[32];
  79         unsigned int ssid_len;
  80         char *identity;
  81         char *passphrase;
  82         char *security;
  83         GSupplicantScanParams *scan_params;
  84         gpointer user_data;
  85 };
  86
  87 /**
  88  * Used for autoscan "emulation".
  89  * Should be removed when wpa_s autoscan support will be by default.
  90  */
  91 struct autoscan_params {
  92         int base;
  93         int limit;
  94         int interval;
  95         unsigned int timeout;
  96 };
  97
  98 struct wifi_data {
  99         char *identifier;
 100         struct connman_device *device;
 101         struct connman_network *network;
 102         struct connman_network *pending_network;
 103         GSList *networks;
 104         GSupplicantInterface *interface;
 105         GSupplicantState state;
 106         bool connected;
 107         bool disconnecting;
 108         bool tethering;
 109         bool bridged;
 110         bool interface_ready;
 111         const char *bridge;
 112         int index;
 113         unsigned flags;
 114         unsigned int watch;
 115         int retries;
 116         struct hidden_params *hidden;
 117         bool postpone_hidden;
 118         /**
 119          * autoscan "emulation".
 120          */
 121         struct autoscan_params *autoscan;
 122
 123         GSupplicantScanParams *scan_params;
 124         unsigned int p2p_find_timeout;
 125         unsigned int p2p_connection_timeout;
 126         struct connman_peer *pending_peer;
 127         GSupplicantPeer *peer;
 128         bool p2p_connecting;
 129         bool p2p_device;
 130         int servicing;
 131 #if defined TIZEN_EXT
 132         int assoc_retry_count;
 133         struct connman_network *scan_pending_network;
 134         bool allow_full_scan;
 135 #endif
 136         int disconnect_code;
 137 };
 138
 139 #if defined TIZEN_EXT
 140 #include "connman.h"
 141
 142 #define TIZEN_ASSOC_RETRY_COUNT         4
 143
 144 static gboolean wifi_first_scan = false;
 145 static gboolean found_with_first_scan = false;
 146 static gboolean is_wifi_notifier_registered = false;
 147 #endif
 148
 149
 150 static GList *iface_list = NULL;
 151
 152 static GList *pending_wifi_device = NULL;
 153 static GList *p2p_iface_list = NULL;
 154 bool wfd_service_registered = false;
 155
 156 static void start_autoscan(struct connman_device *device);
 157
 158 static int p2p_tech_probe(struct connman_technology *technology)
 159 {
 160         p2p_technology = technology;
 161
 162         return 0;
 163 }
 164
 165 static void p2p_tech_remove(struct connman_technology *technology)
 166 {
 167         p2p_technology = NULL;
 168 }
 169
 170 static struct connman_technology_driver p2p_tech_driver = {
 171         .name           = "p2p",
 172         .type           = CONNMAN_SERVICE_TYPE_P2P,
 173         .probe          = p2p_tech_probe,
 174         .remove         = p2p_tech_remove,
 175 };
 176
 177 static bool is_p2p_connecting(void)
 178 {
 179         GList *list;
 180
 181         for (list = iface_list; list; list = list->next) {
 182                 struct wifi_data *wifi = list->data;
 183
 184                 if (wifi->p2p_connecting)
 185                         return true;
 186         }
 187
 188         return false;
 189 }
 190
 191 static void add_pending_wifi_device(struct wifi_data *wifi)
 192 {
 193         if (g_list_find(pending_wifi_device, wifi))
 194                 return;
 195
 196         pending_wifi_device = g_list_append(pending_wifi_device, wifi);
 197 }
 198
 199 static struct wifi_data *get_pending_wifi_data(const char *ifname)
 200 {
 201         GList *list;
 202
 203         for (list = pending_wifi_device; list; list = list->next) {
 204                 struct wifi_data *wifi;
 205                 const char *dev_name;
 206
 207                 wifi = list->data;
 208                 if (!wifi || !wifi->device)
 209                         continue;
 210
 211                 dev_name = connman_device_get_string(wifi->device, "Interface");
 212                 if (!g_strcmp0(ifname, dev_name)) {
 213                         pending_wifi_device = g_list_delete_link(
 214                                                 pending_wifi_device, list);
 215                         return wifi;
 216                 }
 217         }
 218
 219         return NULL;
 220 }
 221
 222 static void remove_pending_wifi_device(struct wifi_data *wifi)
 223 {
 224         GList *link;
 225
 226         link = g_list_find(pending_wifi_device, wifi);
 227
 228         if (!link)
 229                 return;
 230
 231         pending_wifi_device = g_list_delete_link(pending_wifi_device, link);
 232 }
 233
 234 static void peer_cancel_timeout(struct wifi_data *wifi)
 235 {
 236         if (wifi->p2p_connection_timeout > 0)
 237                 g_source_remove(wifi->p2p_connection_timeout);
 238
 239         wifi->p2p_connection_timeout = 0;
 240         wifi->p2p_connecting = false;
 241
 242         if (wifi->pending_peer) {
 243                 connman_peer_unref(wifi->pending_peer);
 244                 wifi->pending_peer = NULL;
 245         }
 246
 247         wifi->peer = NULL;
 248 }
 249
 250 static gboolean peer_connect_timeout(gpointer data)
 251 {
 252         struct wifi_data *wifi = data;
 253
 254         DBG("");
 255
 256         if (wifi->p2p_connecting) {
 257                 enum connman_peer_state state = CONNMAN_PEER_STATE_FAILURE;
 258
 259                 if (g_supplicant_peer_has_requested_connection(wifi->peer))
 260                         state = CONNMAN_PEER_STATE_IDLE;
 261
 262                 connman_peer_set_state(wifi->pending_peer, state);
 263         }
 264
 265         peer_cancel_timeout(wifi);
 266
 267         return FALSE;
 268 }
 269
 270 static void peer_connect_callback(int result, GSupplicantInterface *interface,
 271                                                         void *user_data)
 272 {
 273         struct wifi_data *wifi = user_data;
 274         struct connman_peer *peer = wifi->pending_peer;
 275
 276         DBG("peer %p - %d", peer, result);
 277
 278         if (!peer)
 279                 return;
 280
 281         if (result < 0) {
 282                 peer_connect_timeout(wifi);
 283                 return;
 284         }
 285
 286         connman_peer_set_state(peer, CONNMAN_PEER_STATE_ASSOCIATION);
 287
 288         wifi->p2p_connection_timeout = g_timeout_add_seconds(
 289                                                 P2P_CONNECTION_TIMEOUT,
 290                                                 peer_connect_timeout, wifi);
 291 }
 292
 293 static int peer_connect(struct connman_peer *peer,
 294                         enum connman_peer_wps_method wps_method,
 295                         const char *wps_pin)
 296 {
 297         struct connman_device *device = connman_peer_get_device(peer);
 298         GSupplicantPeerParams *peer_params;
 299         GSupplicantPeer *gs_peer;
 300         struct wifi_data *wifi;
 301         bool pbc, pin;
 302         int ret;
 303
 304         DBG("peer %p", peer);
 305
 306         if (!device)
 307                 return -ENODEV;
 308
 309         wifi = connman_device_get_data(device);
 310         if (!wifi)
 311                 return -ENODEV;
 312
 313         if (wifi->p2p_connecting)
 314                 return -EBUSY;
 315
 316         wifi->peer = NULL;
 317
 318         gs_peer = g_supplicant_interface_peer_lookup(wifi->interface,
 319                                         connman_peer_get_identifier(peer));
 320         if (!gs_peer)
 321                 return -EINVAL;
 322
 323         pbc = g_supplicant_peer_is_wps_pbc(gs_peer);
 324         pin = g_supplicant_peer_is_wps_pin(gs_peer);
 325
 326         switch (wps_method) {
 327         case CONNMAN_PEER_WPS_UNKNOWN:
 328                 if ((pbc && pin) || pin)
 329                         return -ENOKEY;
 330                 break;
 331         case CONNMAN_PEER_WPS_PBC:
 332                 if (!pbc)
 333                         return -EINVAL;
 334                 wps_pin = NULL;
 335                 break;
 336         case CONNMAN_PEER_WPS_PIN:
 337                 if (!pin || !wps_pin)
 338                         return -EINVAL;
 339                 break;
 340         }
 341
 342         peer_params = g_try_malloc0(sizeof(GSupplicantPeerParams));
 343         if (!peer_params)
 344                 return -ENOMEM;
 345
 346         peer_params->path = g_strdup(g_supplicant_peer_get_path(gs_peer));
 347         if (wps_pin)
 348                 peer_params->wps_pin = g_strdup(wps_pin);
 349
 350         peer_params->master = connman_peer_service_is_master();
 351
 352         ret = g_supplicant_interface_p2p_connect(wifi->interface, peer_params,
 353                                                 peer_connect_callback, wifi);
 354         if (ret == -EINPROGRESS) {
 355                 wifi->pending_peer = connman_peer_ref(peer);
 356                 wifi->peer = gs_peer;
 357                 wifi->p2p_connecting = true;
 358         } else if (ret < 0)
 359                 g_free(peer_params);
 360
 361         return ret;
 362 }
 363
 364 static int peer_disconnect(struct connman_peer *peer)
 365 {
 366         struct connman_device *device = connman_peer_get_device(peer);
 367         GSupplicantPeerParams peer_params = {};
 368         GSupplicantPeer *gs_peer;
 369         struct wifi_data *wifi;
 370         int ret;
 371
 372         DBG("peer %p", peer);
 373
 374         if (!device)
 375                 return -ENODEV;
 376
 377         wifi = connman_device_get_data(device);
 378         if (!wifi)
 379                 return -ENODEV;
 380
 381         gs_peer = g_supplicant_interface_peer_lookup(wifi->interface,
 382                                         connman_peer_get_identifier(peer));
 383         if (!gs_peer)
 384                 return -EINVAL;
 385
 386         peer_params.path = g_strdup(g_supplicant_peer_get_path(gs_peer));
 387
 388         ret = g_supplicant_interface_p2p_disconnect(wifi->interface,
 389                                                         &peer_params);
 390         g_free(peer_params.path);
 391
 392         if (ret == -EINPROGRESS)
 393                 peer_cancel_timeout(wifi);
 394
 395         return ret;
 396 }
 397
 398 struct peer_service_registration {
 399         peer_service_registration_cb_t callback;
 400         void *user_data;
 401 };
 402
 403 static bool is_service_wfd(const unsigned char *specs, int length)
 404 {
 405         if (length < 9 || specs[0] != 0 || specs[1] != 0 || specs[2] != 6)
 406                 return false;
 407
 408         return true;
 409 }
 410
 411 static void apply_p2p_listen_on_iface(gpointer data, gpointer user_data)
 412 {
 413         struct wifi_data *wifi = data;
 414
 415         if (!wifi->interface ||
 416                         !g_supplicant_interface_has_p2p(wifi->interface))
 417                 return;
 418
 419         if (!wifi->servicing) {
 420                 g_supplicant_interface_p2p_listen(wifi->interface,
 421                                 P2P_LISTEN_PERIOD, P2P_LISTEN_INTERVAL);
 422         }
 423
 424         wifi->servicing++;
 425 }
 426
 427 static void register_wfd_service_cb(int result,
 428                                 GSupplicantInterface *iface, void *user_data)
 429 {
 430         struct peer_service_registration *reg_data = user_data;
 431
 432         DBG("");
 433
 434         if (result == 0)
 435                 g_list_foreach(iface_list, apply_p2p_listen_on_iface, NULL);
 436
 437         if (reg_data && reg_data->callback) {
 438                 reg_data->callback(result, reg_data->user_data);
 439                 g_free(reg_data);
 440         }
 441 }
 442
 443 static GSupplicantP2PServiceParams *fill_in_peer_service_params(
 444                                 const unsigned char *spec,
 445                                 int spec_length, const unsigned char *query,
 446                                 int query_length, int version)
 447 {
 448         GSupplicantP2PServiceParams *params;
 449
 450         params = g_try_malloc0(sizeof(GSupplicantP2PServiceParams));
 451         if (!params)
 452                 return NULL;
 453
 454         if (version > 0) {
 455                 params->version = version;
 456                 params->service = g_memdup(spec, spec_length);
 457         } else if (query_length > 0 && spec_length > 0) {
 458                 params->query = g_memdup(query, query_length);
 459                 params->query_length = query_length;
 460
 461                 params->response = g_memdup(spec, spec_length);
 462                 params->response_length = spec_length;
 463         } else {
 464                 params->wfd_ies = g_memdup(spec, spec_length);
 465                 params->wfd_ies_length = spec_length;
 466         }
 467
 468         return params;
 469 }
 470
 471 static void free_peer_service_params(GSupplicantP2PServiceParams *params)
 472 {
 473         if (!params)
 474                 return;
 475
 476         g_free(params->service);
 477         g_free(params->query);
 478         g_free(params->response);
 479         g_free(params->wfd_ies);
 480
 481         g_free(params);
 482 }
 483
 484 static int peer_register_wfd_service(const unsigned char *specification,
 485                                 int specification_length,
 486                                 peer_service_registration_cb_t callback,
 487                                 void *user_data)
 488 {
 489         struct peer_service_registration *reg_data = NULL;
 490         static GSupplicantP2PServiceParams *params;
 491         int ret;
 492
 493         DBG("");
 494
 495         if (wfd_service_registered)
 496                 return -EBUSY;
 497
 498         params = fill_in_peer_service_params(specification,
 499                                         specification_length, NULL, 0, 0);
 500         if (!params)
 501                 return -ENOMEM;
 502
 503         reg_data = g_try_malloc0(sizeof(*reg_data));
 504         if (!reg_data) {
 505                 ret = -ENOMEM;
 506                 goto error;
 507         }
 508
 509         reg_data->callback = callback;
 510         reg_data->user_data = user_data;
 511
 512         ret = g_supplicant_set_widi_ies(params,
 513                                         register_wfd_service_cb, reg_data);
 514         if (ret < 0 && ret != -EINPROGRESS)
 515                 goto error;
 516
 517         wfd_service_registered = true;
 518
 519         return ret;
 520 error:
 521         free_peer_service_params(params);
 522         g_free(reg_data);
 523
 524         return ret;
 525 }
 526
 527 static void register_peer_service_cb(int result,
 528                                 GSupplicantInterface *iface, void *user_data)
 529 {
 530         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
 531         struct peer_service_registration *reg_data = user_data;
 532
 533         DBG("");
 534
 535         if (result == 0)
 536                 apply_p2p_listen_on_iface(wifi, NULL);
 537
 538         if (reg_data->callback)
 539                 reg_data->callback(result, reg_data->user_data);
 540
 541         g_free(reg_data);
 542 }
 543
 544 static int peer_register_service(const unsigned char *specification,
 545                                 int specification_length,
 546                                 const unsigned char *query,
 547                                 int query_length, int version,
 548                                 peer_service_registration_cb_t callback,
 549                                 void *user_data)
 550 {
 551         struct peer_service_registration *reg_data;
 552         GSupplicantP2PServiceParams *params;
 553         bool found = false;
 554         int ret, ret_f;
 555         GList *list;
 556
 557         DBG("");
 558
 559         if (specification && !version && !query &&
 560                         is_service_wfd(specification, specification_length)) {
 561                 return peer_register_wfd_service(specification,
 562                                 specification_length, callback, user_data);
 563         }
 564
 565         reg_data = g_try_malloc0(sizeof(*reg_data));
 566         if (!reg_data)
 567                 return -ENOMEM;
 568
 569         reg_data->callback = callback;
 570         reg_data->user_data = user_data;
 571
 572         ret_f = -EOPNOTSUPP;
 573
 574         for (list = iface_list; list; list = list->next) {
 575                 struct wifi_data *wifi = list->data;
 576                 GSupplicantInterface *iface = wifi->interface;
 577
 578                 if (!g_supplicant_interface_has_p2p(iface))
 579                         continue;
 580
 581                 params = fill_in_peer_service_params(specification,
 582                                                 specification_length, query,
 583                                                 query_length, version);
 584                 if (!params) {
 585                         ret = -ENOMEM;
 586                         continue;
 587                 }
 588
 589                 if (!found) {
 590                         ret_f = g_supplicant_interface_p2p_add_service(iface,
 591                                 register_peer_service_cb, params, reg_data);
 592                         if (ret_f == 0 || ret_f == -EINPROGRESS)
 593                                 found = true;
 594                         ret = ret_f;
 595                 } else
 596                         ret = g_supplicant_interface_p2p_add_service(iface,
 597                                 register_peer_service_cb, params, NULL);
 598                 if (ret != 0 && ret != -EINPROGRESS)
 599                         free_peer_service_params(params);
 600         }
 601
 602         if (ret_f != 0 && ret_f != -EINPROGRESS)
 603                 g_free(reg_data);
 604
 605         return ret_f;
 606 }
 607
 608 static int peer_unregister_wfd_service(void)
 609 {
 610         GSupplicantP2PServiceParams *params;
 611         GList *list;
 612
 613         if (!wfd_service_registered)
 614                 return -EALREADY;
 615
 616         params = fill_in_peer_service_params(NULL, 0, NULL, 0, 0);
 617         if (!params)
 618                 return -ENOMEM;
 619
 620         wfd_service_registered = false;
 621
 622         g_supplicant_set_widi_ies(params, NULL, NULL);
 623
 624         for (list = iface_list; list; list = list->next) {
 625                 struct wifi_data *wifi = list->data;
 626
 627                 if (!g_supplicant_interface_has_p2p(wifi->interface))
 628                         continue;
 629
 630                 wifi->servicing--;
 631                 if (!wifi->servicing || wifi->servicing < 0) {
 632                         g_supplicant_interface_p2p_listen(wifi->interface,
 633                                                                         0, 0);
 634                         wifi->servicing = 0;
 635                 }
 636         }
 637
 638         return 0;
 639 }
 640
 641 static int peer_unregister_service(const unsigned char *specification,
 642                                                 int specification_length,
 643                                                 const unsigned char *query,
 644                                                 int query_length, int version)
 645 {
 646         GSupplicantP2PServiceParams *params;
 647         bool wfd = false;
 648         GList *list;
 649         int ret;
 650
 651         if (specification && !version && !query &&
 652                         is_service_wfd(specification, specification_length)) {
 653                 ret = peer_unregister_wfd_service();
 654                 if (ret != 0 && ret != -EINPROGRESS)
 655                         return ret;
 656                 wfd = true;
 657         }
 658
 659         for (list = iface_list; list; list = list->next) {
 660                 struct wifi_data *wifi = list->data;
 661                 GSupplicantInterface *iface = wifi->interface;
 662
 663                 if (wfd)
 664                         goto stop_listening;
 665
 666                 if (!g_supplicant_interface_has_p2p(iface))
 667                         continue;
 668
 669                 params = fill_in_peer_service_params(specification,
 670                                                 specification_length, query,
 671                                                 query_length, version);
 672                 if (!params) {
 673                         ret = -ENOMEM;
 674                         continue;
 675                 }
 676
 677                 ret = g_supplicant_interface_p2p_del_service(iface, params);
 678                 if (ret != 0 && ret != -EINPROGRESS)
 679                         free_peer_service_params(params);
 680 stop_listening:
 681                 wifi->servicing--;
 682                 if (!wifi->servicing || wifi->servicing < 0) {
 683                         g_supplicant_interface_p2p_listen(iface, 0, 0);
 684                         wifi->servicing = 0;
 685                 }
 686         }
 687
 688         return 0;
 689 }
 690
 691 static struct connman_peer_driver peer_driver = {
 692         .connect    = peer_connect,
 693         .disconnect = peer_disconnect,
 694         .register_service = peer_register_service,
 695         .unregister_service = peer_unregister_service,
 696 };
 697
 698 static void handle_tethering(struct wifi_data *wifi)
 699 {
 700         if (!wifi->tethering)
 701                 return;
 702
 703         if (!wifi->bridge)
 704                 return;
 705
 706         if (wifi->bridged)
 707                 return;
 708
 709         DBG("index %d bridge %s", wifi->index, wifi->bridge);
 710
 711         if (connman_inet_add_to_bridge(wifi->index, wifi->bridge) < 0)
 712                 return;
 713
 714         wifi->bridged = true;
 715 }
 716
 717 static void wifi_newlink(unsigned flags, unsigned change, void *user_data)
 718 {
 719         struct connman_device *device = user_data;
 720         struct wifi_data *wifi = connman_device_get_data(device);
 721
 722         if (!wifi)
 723                 return;
 724
 725         DBG("index %d flags %d change %d", wifi->index, flags, change);
 726
 727         if ((wifi->flags & IFF_UP) != (flags & IFF_UP)) {
 728                 if (flags & IFF_UP)
 729                         DBG("interface up");
 730                 else
 731                         DBG("interface down");
 732         }
 733
 734         if ((wifi->flags & IFF_LOWER_UP) != (flags & IFF_LOWER_UP)) {
 735                 if (flags & IFF_LOWER_UP) {
 736                         DBG("carrier on");
 737
 738                         handle_tethering(wifi);
 739                 } else
 740                         DBG("carrier off");
 741         }
 742
 743         wifi->flags = flags;
 744 }
 745
 746 static int wifi_probe(struct connman_device *device)
 747 {
 748         struct wifi_data *wifi;
 749
 750         DBG("device %p", device);
 751
 752         wifi = g_try_new0(struct wifi_data, 1);
 753         if (!wifi)
 754                 return -ENOMEM;
 755
 756         wifi->state = G_SUPPLICANT_STATE_INACTIVE;
 757
 758         connman_device_set_data(device, wifi);
 759         wifi->device = connman_device_ref(device);
 760
 761         wifi->index = connman_device_get_index(device);
 762         wifi->flags = 0;
 763
 764         wifi->watch = connman_rtnl_add_newlink_watch(wifi->index,
 765                                                         wifi_newlink, device);
 766         if (is_p2p_connecting())
 767                 add_pending_wifi_device(wifi);
 768         else
 769                 iface_list = g_list_append(iface_list, wifi);
 770
 771         return 0;
 772 }
 773
 774 static void remove_networks(struct connman_device *device,
 775                                 struct wifi_data *wifi)
 776 {
 777         GSList *list;
 778
 779         for (list = wifi->networks; list; list = list->next) {
 780                 struct connman_network *network = list->data;
 781
 782                 connman_device_remove_network(device, network);
 783                 connman_network_unref(network);
 784         }
 785
 786         g_slist_free(wifi->networks);
 787         wifi->networks = NULL;
 788 }
 789
 790 static void reset_autoscan(struct connman_device *device)
 791 {
 792         struct wifi_data *wifi = connman_device_get_data(device);
 793         struct autoscan_params *autoscan;
 794
 795         DBG("");
 796
 797         if (!wifi || !wifi->autoscan)
 798                 return;
 799
 800         autoscan = wifi->autoscan;
 801
 802         if (autoscan->timeout == 0 && autoscan->interval == 0)
 803                 return;
 804
 805         g_source_remove(autoscan->timeout);
 806
 807         autoscan->timeout = 0;
 808         autoscan->interval = 0;
 809
 810         connman_device_unref(device);
 811 }
 812
 813 static void stop_autoscan(struct connman_device *device)
 814 {
 815         const struct wifi_data *wifi = connman_device_get_data(device);
 816
 817         if (!wifi || !wifi->autoscan)
 818                 return;
 819
 820         reset_autoscan(device);
 821
 822         connman_device_set_scanning(device, CONNMAN_SERVICE_TYPE_WIFI, false);
 823 }
 824
 825 static void check_p2p_technology(void)
 826 {
 827         bool p2p_exists = false;
 828         GList *list;
 829
 830         for (list = iface_list; list; list = list->next) {
 831                 struct wifi_data *w = list->data;
 832
 833                 if (w->interface &&
 834                                 g_supplicant_interface_has_p2p(w->interface))
 835                         p2p_exists = true;
 836         }
 837
 838         if (!p2p_exists) {
 839                 connman_technology_driver_unregister(&p2p_tech_driver);
 840                 connman_peer_driver_unregister(&peer_driver);
 841         }
 842 }
 843
 844 static void wifi_remove(struct connman_device *device)
 845 {
 846         struct wifi_data *wifi = connman_device_get_data(device);
 847
 848         DBG("device %p wifi %p", device, wifi);
 849
 850         if (!wifi)
 851                 return;
 852
 853         stop_autoscan(device);
 854
 855         if (wifi->p2p_device)
 856                 p2p_iface_list = g_list_remove(p2p_iface_list, wifi);
 857         else
 858                 iface_list = g_list_remove(iface_list, wifi);
 859
 860         check_p2p_technology();
 861
 862         remove_pending_wifi_device(wifi);
 863
 864         if (wifi->p2p_find_timeout) {
 865                 g_source_remove(wifi->p2p_find_timeout);
 866                 connman_device_unref(wifi->device);
 867         }
 868
 869         if (wifi->p2p_connection_timeout)
 870                 g_source_remove(wifi->p2p_connection_timeout);
 871
 872         remove_networks(device, wifi);
 873
 874         connman_device_set_powered(device, false);
 875         connman_device_set_data(device, NULL);
 876         connman_device_unref(wifi->device);
 877         connman_rtnl_remove_watch(wifi->watch);
 878
 879         g_supplicant_interface_set_data(wifi->interface, NULL);
 880
 881         g_supplicant_interface_cancel(wifi->interface);
 882
 883         if (wifi->scan_params)
 884                 g_supplicant_free_scan_params(wifi->scan_params);
 885
 886         g_free(wifi->autoscan);
 887         g_free(wifi->identifier);
 888         g_free(wifi);
 889 }
 890
 891 static bool is_duplicate(GSList *list, gchar *ssid, int ssid_len)
 892 {
 893         GSList *iter;
 894
 895         for (iter = list; iter; iter = g_slist_next(iter)) {
 896                 struct scan_ssid *scan_ssid = iter->data;
 897
 898                 if (ssid_len == scan_ssid->ssid_len &&
 899                                 memcmp(ssid, scan_ssid->ssid, ssid_len) == 0)
 900                         return true;
 901         }
 902
 903         return false;
 904 }
 905
 906 static int add_scan_param(gchar *hex_ssid, char *raw_ssid, int ssid_len,
 907                         int freq, GSupplicantScanParams *scan_data,
 908                         int driver_max_scan_ssids, char *ssid_name)
 909 {
 910         unsigned int i;
 911         struct scan_ssid *scan_ssid;
 912
 913         if ((driver_max_scan_ssids == 0 ||
 914                         driver_max_scan_ssids > scan_data->num_ssids) &&
 915                         (hex_ssid || raw_ssid)) {
 916                 gchar *ssid;
 917                 unsigned int j = 0, hex;
 918
 919                 if (hex_ssid) {
 920                         size_t hex_ssid_len = strlen(hex_ssid);
 921
 922                         ssid = g_try_malloc0(hex_ssid_len / 2);
 923                         if (!ssid)
 924                                 return -ENOMEM;
 925
 926                         for (i = 0; i < hex_ssid_len; i += 2) {
 927                                 sscanf(hex_ssid + i, "%02x", &hex);
 928                                 ssid[j++] = hex;
 929                         }
 930                 } else {
 931                         ssid = raw_ssid;
 932                         j = ssid_len;
 933                 }
 934
 935                 /*
 936                  * If we have already added hidden AP to the list,
 937                  * then do not do it again. This might happen if you have
 938                  * used or are using multiple wifi cards, so in that case
 939                  * you might have multiple service files for same AP.
 940                  */
 941                 if (is_duplicate(scan_data->ssids, ssid, j)) {
 942                         if (hex_ssid)
 943                                 g_free(ssid);
 944                         return 0;
 945                 }
 946
 947                 scan_ssid = g_try_new(struct scan_ssid, 1);
 948                 if (!scan_ssid) {
 949                         if (hex_ssid)
 950                                 g_free(ssid);
 951                         return -ENOMEM;
 952                 }
 953
 954                 memcpy(scan_ssid->ssid, ssid, j);
 955                 scan_ssid->ssid_len = j;
 956                 scan_data->ssids = g_slist_prepend(scan_data->ssids,
 957                                                                 scan_ssid);
 958
 959                 scan_data->num_ssids++;
 960
 961                 DBG("SSID %s added to scanned list of %d entries", ssid_name,
 962                                                         scan_data->num_ssids);
 963
 964                 if (hex_ssid)
 965                         g_free(ssid);
 966         } else
 967                 return -EINVAL;
 968
 969         scan_data->ssids = g_slist_reverse(scan_data->ssids);
 970
 971         if (!scan_data->freqs) {
 972                 scan_data->freqs = g_try_malloc0(sizeof(uint16_t));
 973                 if (!scan_data->freqs) {
 974                         g_slist_free_full(scan_data->ssids, g_free);
 975                         return -ENOMEM;
 976                 }
 977
 978                 scan_data->num_freqs = 1;
 979                 scan_data->freqs[0] = freq;
 980         } else {
 981                 bool duplicate = false;
 982
 983                 /* Don't add duplicate entries */
 984                 for (i = 0; i < scan_data->num_freqs; i++) {
 985                         if (scan_data->freqs[i] == freq) {
 986                                 duplicate = true;
 987                                 break;
 988                         }
 989                 }
 990
 991                 if (!duplicate) {
 992                         scan_data->num_freqs++;
 993                         scan_data->freqs = g_try_realloc(scan_data->freqs,
 994                                 sizeof(uint16_t) * scan_data->num_freqs);
 995                         if (!scan_data->freqs) {
 996                                 g_slist_free_full(scan_data->ssids, g_free);
 997                                 return -ENOMEM;
 998                         }
 999                         scan_data->freqs[scan_data->num_freqs - 1] = freq;
1000                 }
1001         }
1002
1003         return 1;
1004 }
1005
1006 static int get_hidden_connections(GSupplicantScanParams *scan_data)
1007 {
1008         struct connman_config_entry **entries;
1009         GKeyFile *keyfile;
1010         gchar **services;
1011         char *ssid, *name;
1012         int i, ret;
1013         bool value;
1014         int num_ssids = 0, add_param_failed = 0;
1015
1016         services = connman_storage_get_services();
1017         for (i = 0; services && services[i]; i++) {
1018                 if (strncmp(services[i], "wifi_", 5) != 0)
1019                         continue;
1020
1021                 keyfile = connman_storage_load_service(services[i]);
1022                 if (!keyfile)
1023                         continue;
1024
1025                 value = g_key_file_get_boolean(keyfile,
1026                                         services[i], "Hidden", NULL);
1027                 if (!value) {
1028                         g_key_file_free(keyfile);
1029                         continue;
1030                 }
1031
1032                 value = g_key_file_get_boolean(keyfile,
1033                                         services[i], "Favorite", NULL);
1034                 if (!value) {
1035                         g_key_file_free(keyfile);
1036                         continue;
1037                 }
1038
1039 #if defined TIZEN_EXT
1040                 value = g_key_file_get_boolean(keyfile,
1041                                         services[i], "AutoConnect", NULL);
1042                 if (!value) {
1043                         g_key_file_free(keyfile);
1044                         continue;
1045                 }
1046 #endif
1047
1048                 ssid = g_key_file_get_string(keyfile,
1049                                         services[i], "SSID", NULL);
1050
1051                 name = g_key_file_get_string(keyfile, services[i], "Name",
1052                                                                 NULL);
1053
1054                 ret = add_scan_param(ssid, NULL, 0, 0, scan_data, 0, name);
1055                 if (ret < 0)
1056                         add_param_failed++;
1057                 else if (ret > 0)
1058                         num_ssids++;
1059
1060                 g_free(ssid);
1061                 g_free(name);
1062                 g_key_file_free(keyfile);
1063         }
1064
1065         /*
1066          * Check if there are any hidden AP that needs to be provisioned.
1067          */
1068         entries = connman_config_get_entries("wifi");
1069         for (i = 0; entries && entries[i]; i++) {
1070                 int len;
1071
1072                 if (!entries[i]->hidden)
1073                         continue;
1074
1075                 if (!entries[i]->ssid) {
1076                         ssid = entries[i]->name;
1077                         len = strlen(ssid);
1078                 } else {
1079                         ssid = entries[i]->ssid;
1080                         len = entries[i]->ssid_len;
1081                 }
1082
1083                 if (!ssid)
1084                         continue;
1085
1086                 ret = add_scan_param(NULL, ssid, len, 0, scan_data, 0, ssid);
1087                 if (ret < 0)
1088                         add_param_failed++;
1089                 else if (ret > 0)
1090                         num_ssids++;
1091         }
1092
1093         connman_config_free_entries(entries);
1094
1095         if (add_param_failed > 0)
1096                 DBG("Unable to scan %d out of %d SSIDs",
1097                                         add_param_failed, num_ssids);
1098
1099         g_strfreev(services);
1100
1101         return num_ssids;
1102 }
1103
1104 static int get_hidden_connections_params(struct wifi_data *wifi,
1105                                         GSupplicantScanParams *scan_params)
1106 {
1107         int driver_max_ssids, i;
1108         GSupplicantScanParams *orig_params;
1109
1110         /*
1111          * Scan hidden networks so that we can autoconnect to them.
1112          * We will assume 1 as a default number of ssid to scan.
1113          */
1114         driver_max_ssids = g_supplicant_interface_get_max_scan_ssids(
1115                                                         wifi->interface);
1116         if (driver_max_ssids == 0)
1117                 driver_max_ssids = 1;
1118
1119         DBG("max ssids %d", driver_max_ssids);
1120
1121         if (!wifi->scan_params) {
1122                 wifi->scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
1123                 if (!wifi->scan_params)
1124                         return 0;
1125
1126                 if (get_hidden_connections(wifi->scan_params) == 0) {
1127                         g_supplicant_free_scan_params(wifi->scan_params);
1128                         wifi->scan_params = NULL;
1129
1130                         return 0;
1131                 }
1132         }
1133
1134         orig_params = wifi->scan_params;
1135
1136         /* Let's transfer driver_max_ssids params */
1137         for (i = 0; i < driver_max_ssids; i++) {
1138                 struct scan_ssid *ssid;
1139
1140                 if (!wifi->scan_params->ssids)
1141                         break;
1142
1143                 ssid = orig_params->ssids->data;
1144                 orig_params->ssids = g_slist_remove(orig_params->ssids, ssid);
1145                 scan_params->ssids = g_slist_prepend(scan_params->ssids, ssid);
1146         }
1147
1148         if (i > 0) {
1149                 scan_params->num_ssids = i;
1150                 scan_params->ssids = g_slist_reverse(scan_params->ssids);
1151
1152                 scan_params->freqs = g_memdup(orig_params->freqs,
1153                                 sizeof(uint16_t) * orig_params->num_freqs);
1154                 if (!scan_params->freqs)
1155                         goto err;
1156
1157                 scan_params->num_freqs = orig_params->num_freqs;
1158
1159         } else
1160                 goto err;
1161
1162         orig_params->num_ssids -= scan_params->num_ssids;
1163
1164         return scan_params->num_ssids;
1165
1166 err:
1167         g_slist_free_full(scan_params->ssids, g_free);
1168         g_supplicant_free_scan_params(wifi->scan_params);
1169         wifi->scan_params = NULL;
1170
1171         return 0;
1172 }
1173
1174 static int throw_wifi_scan(struct connman_device *device,
1175                         GSupplicantInterfaceCallback callback)
1176 {
1177         struct wifi_data *wifi = connman_device_get_data(device);
1178         int ret;
1179
1180         if (!wifi)
1181                 return -ENODEV;
1182
1183         DBG("device %p %p", device, wifi->interface);
1184
1185         if (wifi->tethering)
1186                 return -EBUSY;
1187 #if defined TIZEN_EXT
1188         if (connman_device_get_scanning(device) && !wifi->allow_full_scan)
1189 #else
1190         if (connman_device_get_scanning(device))
1191 #endif
1192                 return -EALREADY;
1193
1194         connman_device_ref(device);
1195
1196         ret = g_supplicant_interface_scan(wifi->interface, NULL,
1197                                                 callback, device);
1198         if (ret == 0) {
1199                 connman_device_set_scanning(device,
1200                                 CONNMAN_SERVICE_TYPE_WIFI, true);
1201         } else
1202                 connman_device_unref(device);
1203
1204         return ret;
1205 }
1206
1207 static void hidden_free(struct hidden_params *hidden)
1208 {
1209         if (!hidden)
1210                 return;
1211
1212         if (hidden->scan_params)
1213                 g_supplicant_free_scan_params(hidden->scan_params);
1214         g_free(hidden->identity);
1215         g_free(hidden->passphrase);
1216         g_free(hidden->security);
1217         g_free(hidden);
1218 }
1219
1220 #if defined TIZEN_EXT
1221 static void service_state_changed(struct connman_service *service,
1222                                         enum connman_service_state state);
1223
1224 static int network_connect(struct connman_network *network);
1225
1226 static struct connman_notifier notifier = {
1227         .name                   = "wifi",
1228         .priority               = CONNMAN_NOTIFIER_PRIORITY_DEFAULT,
1229         .service_state_changed  = service_state_changed,
1230 };
1231
1232 static void service_state_changed(struct connman_service *service,
1233                                         enum connman_service_state state)
1234 {
1235         enum connman_service_type type;
1236
1237         type = connman_service_get_type(service);
1238         if (type != CONNMAN_SERVICE_TYPE_WIFI)
1239                 return;
1240
1241         DBG("service %p state %d", service, state);
1242
1243         switch (state) {
1244         case CONNMAN_SERVICE_STATE_READY:
1245         case CONNMAN_SERVICE_STATE_ONLINE:
1246         case CONNMAN_SERVICE_STATE_FAILURE:
1247                 connman_notifier_unregister(&notifier);
1248                 is_wifi_notifier_registered = FALSE;
1249
1250                 __connman_device_request_scan(type);
1251                 break;
1252
1253         default:
1254                 break;
1255         }
1256 }
1257 #endif
1258
1259 static void scan_callback(int result, GSupplicantInterface *interface,
1260                                                 void *user_data)
1261 {
1262         struct connman_device *device = user_data;
1263         struct wifi_data *wifi = connman_device_get_data(device);
1264         bool scanning;
1265
1266         DBG("result %d wifi %p", result, wifi);
1267
1268         if (wifi) {
1269                 if (wifi->hidden && !wifi->postpone_hidden) {
1270                         connman_network_clear_hidden(wifi->hidden->user_data);
1271                         hidden_free(wifi->hidden);
1272                         wifi->hidden = NULL;
1273                 }
1274
1275                 if (wifi->scan_params) {
1276                         g_supplicant_free_scan_params(wifi->scan_params);
1277                         wifi->scan_params = NULL;
1278                 }
1279         }
1280
1281         if (result < 0)
1282                 connman_device_reset_scanning(device);
1283
1284         /* User is connecting to a hidden AP, let's wait for finished event */
1285         if (wifi && wifi->hidden && wifi->postpone_hidden) {
1286                 GSupplicantScanParams *scan_params;
1287                 int ret;
1288
1289                 wifi->postpone_hidden = false;
1290                 scan_params = wifi->hidden->scan_params;
1291                 wifi->hidden->scan_params = NULL;
1292
1293                 reset_autoscan(device);
1294
1295                 ret = g_supplicant_interface_scan(wifi->interface, scan_params,
1296                                                         scan_callback, device);
1297                 if (ret == 0)
1298                         return;
1299
1300                 /* On error, let's recall scan_callback, which will cleanup */
1301                 return scan_callback(ret, interface, user_data);
1302         }
1303
1304         scanning = connman_device_get_scanning(device);
1305 #if defined TIZEN_EXT
1306         if (scanning && wifi && !wifi->allow_full_scan)
1307 #else
1308         if (scanning)
1309 #endif
1310                 connman_device_set_scanning(device,
1311                                 CONNMAN_SERVICE_TYPE_WIFI, false);
1312
1313         if (result != -ENOLINK)
1314 #if defined TIZEN_EXT
1315         if (result != -EIO)
1316 #endif
1317                 start_autoscan(device);
1318
1319         /*
1320          * If we are here then we were scanning; however, if we are
1321          * also mid-flight disabling the interface, then wifi_disable
1322          * has already cleared the device scanning state and
1323          * unreferenced the device, obviating the need to do it here.
1324          */
1325
1326         if (scanning)
1327                 connman_device_unref(device);
1328
1329 #if defined TIZEN_EXT
1330         if (wifi && wifi->allow_full_scan) {
1331                 DBG("Trigger Full Channel Scan");
1332                 throw_wifi_scan(device, scan_callback);
1333                 wifi->allow_full_scan = FALSE;
1334         }
1335         if (wifi && wifi->scan_pending_network && result != -EIO) {
1336                 network_connect(wifi->scan_pending_network);
1337                 wifi->scan_pending_network = NULL;
1338                 connman_network_set_connecting(wifi->network);
1339         }
1340
1341         if (is_wifi_notifier_registered != true &&
1342                         wifi_first_scan == true && found_with_first_scan == true) {
1343                 wifi_first_scan = false;
1344                 found_with_first_scan = false;
1345
1346                 connman_notifier_register(&notifier);
1347                 is_wifi_notifier_registered = true;
1348         }
1349 #endif
1350 }
1351
1352 static void scan_callback_hidden(int result,
1353                         GSupplicantInterface *interface, void *user_data)
1354 {
1355         struct connman_device *device = user_data;
1356         struct wifi_data *wifi = connman_device_get_data(device);
1357         GSupplicantScanParams *scan_params;
1358         int ret;
1359
1360         DBG("result %d wifi %p", result, wifi);
1361
1362         if (!wifi)
1363                 goto out;
1364
1365         /* User is trying to connect to a hidden AP */
1366         if (wifi->hidden && wifi->postpone_hidden)
1367                 goto out;
1368
1369         scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
1370         if (!scan_params)
1371                 goto out;
1372
1373         if (get_hidden_connections_params(wifi, scan_params) > 0) {
1374                 ret = g_supplicant_interface_scan(wifi->interface,
1375                                                         scan_params,
1376                                                         scan_callback_hidden,
1377                                                         device);
1378                 if (ret == 0)
1379                         return;
1380         }
1381
1382         g_supplicant_free_scan_params(scan_params);
1383
1384 out:
1385         scan_callback(result, interface, user_data);
1386 }
1387
1388 static gboolean autoscan_timeout(gpointer data)
1389 {
1390         struct connman_device *device = data;
1391         struct wifi_data *wifi = connman_device_get_data(device);
1392         struct autoscan_params *autoscan;
1393         int interval;
1394
1395         if (!wifi)
1396                 return FALSE;
1397
1398         autoscan = wifi->autoscan;
1399
1400         if (autoscan->interval <= 0) {
1401                 interval = autoscan->base;
1402                 goto set_interval;
1403         } else
1404                 interval = autoscan->interval * autoscan->base;
1405
1406 #if defined TIZEN_EXT
1407         if (autoscan->interval >= autoscan->limit)
1408 #else
1409         if (interval > autoscan->limit)
1410 #endif
1411                 interval = autoscan->limit;
1412
1413         throw_wifi_scan(wifi->device, scan_callback_hidden);
1414
1415 set_interval:
1416         DBG("interval %d", interval);
1417
1418         autoscan->interval = interval;
1419
1420         autoscan->timeout = g_timeout_add_seconds(interval,
1421                                                 autoscan_timeout, device);
1422
1423         return FALSE;
1424 }
1425
1426 static void start_autoscan(struct connman_device *device)
1427 {
1428         struct wifi_data *wifi = connman_device_get_data(device);
1429         struct autoscan_params *autoscan;
1430
1431         DBG("");
1432
1433         if (!wifi)
1434                 return;
1435
1436         if (wifi->p2p_device)
1437                 return;
1438
1439         if (wifi->connected)
1440                 return;
1441
1442         autoscan = wifi->autoscan;
1443         if (!autoscan)
1444                 return;
1445
1446         if (autoscan->timeout > 0 || autoscan->interval > 0)
1447                 return;
1448
1449         connman_device_ref(device);
1450
1451         autoscan_timeout(device);
1452 }
1453
1454 static struct autoscan_params *parse_autoscan_params(const char *params)
1455 {
1456         struct autoscan_params *autoscan;
1457         char **list_params;
1458         int limit;
1459         int base;
1460
1461         DBG("Emulating autoscan");
1462
1463         list_params = g_strsplit(params, ":", 0);
1464         if (list_params == 0)
1465                 return NULL;
1466
1467         if (g_strv_length(list_params) < 3) {
1468                 g_strfreev(list_params);
1469                 return NULL;
1470         }
1471
1472         base = atoi(list_params[1]);
1473         limit = atoi(list_params[2]);
1474
1475         g_strfreev(list_params);
1476
1477         autoscan = g_try_malloc0(sizeof(struct autoscan_params));
1478         if (!autoscan) {
1479                 DBG("Could not allocate memory for autoscan");
1480                 return NULL;
1481         }
1482
1483         DBG("base %d - limit %d", base, limit);
1484         autoscan->base = base;
1485         autoscan->limit = limit;
1486
1487         return autoscan;
1488 }
1489
1490 static void setup_autoscan(struct wifi_data *wifi)
1491 {
1492         if (!wifi->autoscan)
1493                 wifi->autoscan = parse_autoscan_params(AUTOSCAN_DEFAULT);
1494
1495         start_autoscan(wifi->device);
1496 }
1497
1498 static void finalize_interface_creation(struct wifi_data *wifi)
1499 {
1500         DBG("interface is ready wifi %p tethering %d", wifi, wifi->tethering);
1501
1502         if (!wifi->device) {
1503                 connman_error("WiFi device not set");
1504                 return;
1505         }
1506
1507         connman_device_set_powered(wifi->device, true);
1508
1509         if (!connman_setting_get_bool("BackgroundScanning"))
1510                 return;
1511
1512         if (wifi->p2p_device)
1513                 return;
1514
1515         setup_autoscan(wifi);
1516 }
1517
1518 static void interface_create_callback(int result,
1519                                         GSupplicantInterface *interface,
1520                                                         void *user_data)
1521 {
1522         struct wifi_data *wifi = user_data;
1523
1524         DBG("result %d ifname %s, wifi %p", result,
1525                                 g_supplicant_interface_get_ifname(interface),
1526                                 wifi);
1527
1528         if (result < 0 || !wifi)
1529                 return;
1530
1531         wifi->interface = interface;
1532         g_supplicant_interface_set_data(interface, wifi);
1533
1534         if (g_supplicant_interface_get_ready(interface)) {
1535                 wifi->interface_ready = true;
1536                 finalize_interface_creation(wifi);
1537         }
1538 }
1539
1540 static int wifi_enable(struct connman_device *device)
1541 {
1542         struct wifi_data *wifi = connman_device_get_data(device);
1543         int index;
1544         char *interface;
1545         const char *driver = connman_option_get_string("wifi");
1546         int ret;
1547
1548         DBG("device %p %p", device, wifi);
1549
1550         index = connman_device_get_index(device);
1551         if (!wifi || index < 0)
1552                 return -ENODEV;
1553
1554         if (is_p2p_connecting())
1555                 return -EINPROGRESS;
1556
1557         interface = connman_inet_ifname(index);
1558         ret = g_supplicant_interface_create(interface, driver, NULL,
1559                                                 interface_create_callback,
1560                                                         wifi);
1561         g_free(interface);
1562
1563         if (ret < 0)
1564                 return ret;
1565
1566         return -EINPROGRESS;
1567 }
1568
1569 static int wifi_disable(struct connman_device *device)
1570 {
1571         struct wifi_data *wifi = connman_device_get_data(device);
1572         int ret;
1573
1574         DBG("device %p wifi %p", device, wifi);
1575
1576         if (!wifi)
1577                 return -ENODEV;
1578
1579         wifi->connected = false;
1580         wifi->disconnecting = false;
1581
1582         if (wifi->pending_network)
1583                 wifi->pending_network = NULL;
1584
1585         stop_autoscan(device);
1586
1587         if (wifi->p2p_find_timeout) {
1588                 g_source_remove(wifi->p2p_find_timeout);
1589                 wifi->p2p_find_timeout = 0;
1590                 connman_device_set_scanning(device, CONNMAN_SERVICE_TYPE_P2P, false);
1591                 connman_device_unref(wifi->device);
1592         }
1593
1594         /* In case of a user scan, device is still referenced */
1595         if (connman_device_get_scanning(device)) {
1596                 connman_device_set_scanning(device,
1597                                 CONNMAN_SERVICE_TYPE_WIFI, false);
1598                 connman_device_unref(wifi->device);
1599         }
1600
1601         remove_networks(device, wifi);
1602
1603 #if defined TIZEN_EXT
1604         wifi->scan_pending_network = NULL;
1605
1606         if (is_wifi_notifier_registered == true) {
1607                 connman_notifier_unregister(&notifier);
1608                 is_wifi_notifier_registered = false;
1609         }
1610 #endif
1611
1612         ret = g_supplicant_interface_remove(wifi->interface, NULL, NULL);
1613         if (ret < 0)
1614                 return ret;
1615
1616         return -EINPROGRESS;
1617 }
1618
1619 struct last_connected {
1620         GTimeVal modified;
1621         gchar *ssid;
1622         int freq;
1623 };
1624
1625 static gint sort_entry(gconstpointer a, gconstpointer b, gpointer user_data)
1626 {
1627         GTimeVal *aval = (GTimeVal *)a;
1628         GTimeVal *bval = (GTimeVal *)b;
1629
1630         /* Note that the sort order is descending */
1631         if (aval->tv_sec < bval->tv_sec)
1632                 return 1;
1633
1634         if (aval->tv_sec > bval->tv_sec)
1635                 return -1;
1636
1637         return 0;
1638 }
1639
1640 static void free_entry(gpointer data)
1641 {
1642         struct last_connected *entry = data;
1643
1644         g_free(entry->ssid);
1645         g_free(entry);
1646 }
1647
1648 static int get_latest_connections(int max_ssids,
1649                                 GSupplicantScanParams *scan_data)
1650 {
1651         GSequenceIter *iter;
1652         GSequence *latest_list;
1653         struct last_connected *entry;
1654         GKeyFile *keyfile;
1655         GTimeVal modified;
1656         gchar **services;
1657         gchar *str;
1658         char *ssid;
1659         int i, freq;
1660         int num_ssids = 0;
1661
1662         latest_list = g_sequence_new(free_entry);
1663         if (!latest_list)
1664                 return -ENOMEM;
1665
1666         services = connman_storage_get_services();
1667         for (i = 0; services && services[i]; i++) {
1668                 if (strncmp(services[i], "wifi_", 5) != 0)
1669                         continue;
1670
1671                 keyfile = connman_storage_load_service(services[i]);
1672                 if (!keyfile)
1673                         continue;
1674
1675                 str = g_key_file_get_string(keyfile,
1676                                         services[i], "Favorite", NULL);
1677                 if (!str || g_strcmp0(str, "true")) {
1678                         g_free(str);
1679                         g_key_file_free(keyfile);
1680                         continue;
1681                 }
1682                 g_free(str);
1683
1684                 str = g_key_file_get_string(keyfile,
1685                                         services[i], "AutoConnect", NULL);
1686                 if (!str || g_strcmp0(str, "true")) {
1687                         g_free(str);
1688                         g_key_file_free(keyfile);
1689                         continue;
1690                 }
1691                 g_free(str);
1692
1693                 str = g_key_file_get_string(keyfile,
1694                                         services[i], "Modified", NULL);
1695                 if (!str) {
1696                         g_key_file_free(keyfile);
1697                         continue;
1698                 }
1699                 g_time_val_from_iso8601(str, &modified);
1700                 g_free(str);
1701
1702                 ssid = g_key_file_get_string(keyfile,
1703                                         services[i], "SSID", NULL);
1704
1705                 freq = g_key_file_get_integer(keyfile, services[i],
1706                                         "Frequency", NULL);
1707                 if (freq) {
1708                         entry = g_try_new(struct last_connected, 1);
1709                         if (!entry) {
1710                                 g_sequence_free(latest_list);
1711                                 g_key_file_free(keyfile);
1712                                 g_free(ssid);
1713                                 return -ENOMEM;
1714                         }
1715
1716                         entry->ssid = ssid;
1717                         entry->modified = modified;
1718                         entry->freq = freq;
1719
1720                         g_sequence_insert_sorted(latest_list, entry,
1721                                                 sort_entry, NULL);
1722                         num_ssids++;
1723                 } else
1724                         g_free(ssid);
1725
1726                 g_key_file_free(keyfile);
1727         }
1728
1729         g_strfreev(services);
1730
1731         num_ssids = num_ssids > max_ssids ? max_ssids : num_ssids;
1732
1733         iter = g_sequence_get_begin_iter(latest_list);
1734
1735         for (i = 0; i < num_ssids; i++) {
1736                 entry = g_sequence_get(iter);
1737
1738                 DBG("ssid %s freq %d modified %lu", entry->ssid, entry->freq,
1739                                                 entry->modified.tv_sec);
1740
1741                 add_scan_param(entry->ssid, NULL, 0, entry->freq, scan_data,
1742                                                 max_ssids, entry->ssid);
1743
1744                 iter = g_sequence_iter_next(iter);
1745         }
1746
1747         g_sequence_free(latest_list);
1748         return num_ssids;
1749 }
1750
1751 static int wifi_scan_simple(struct connman_device *device)
1752 {
1753         reset_autoscan(device);
1754
1755         return throw_wifi_scan(device, scan_callback_hidden);
1756 }
1757
1758 static gboolean p2p_find_stop(gpointer data)
1759 {
1760         struct connman_device *device = data;
1761         struct wifi_data *wifi = connman_device_get_data(device);
1762
1763         DBG("");
1764
1765         wifi->p2p_find_timeout = 0;
1766
1767         connman_device_set_scanning(device, CONNMAN_SERVICE_TYPE_P2P, false);
1768
1769         g_supplicant_interface_p2p_stop_find(wifi->interface);
1770
1771         connman_device_unref(device);
1772         reset_autoscan(device);
1773
1774         return FALSE;
1775 }
1776
1777 static void p2p_find_callback(int result, GSupplicantInterface *interface,
1778                                                         void *user_data)
1779 {
1780         struct connman_device *device = user_data;
1781         struct wifi_data *wifi = connman_device_get_data(device);
1782
1783         DBG("result %d wifi %p", result, wifi);
1784
1785         if (wifi->p2p_find_timeout) {
1786                 g_source_remove(wifi->p2p_find_timeout);
1787                 wifi->p2p_find_timeout = 0;
1788         }
1789
1790         if (result)
1791                 goto error;
1792
1793         wifi->p2p_find_timeout = g_timeout_add_seconds(P2P_FIND_TIMEOUT,
1794                                                         p2p_find_stop, device);
1795         if (!wifi->p2p_find_timeout)
1796                 goto error;
1797
1798         return;
1799 error:
1800         p2p_find_stop(device);
1801 }
1802
1803 static int p2p_find(struct connman_device *device)
1804 {
1805         struct wifi_data *wifi;
1806         int ret;
1807
1808         DBG("");
1809
1810         if (!p2p_technology)
1811                 return -ENOTSUP;
1812
1813         wifi = connman_device_get_data(device);
1814
1815         if (g_supplicant_interface_is_p2p_finding(wifi->interface))
1816                 return -EALREADY;
1817
1818         reset_autoscan(device);
1819         connman_device_ref(device);
1820
1821         ret = g_supplicant_interface_p2p_find(wifi->interface,
1822                                                 p2p_find_callback, device);
1823         if (ret) {
1824                 connman_device_unref(device);
1825                 start_autoscan(device);
1826         } else {
1827                 connman_device_set_scanning(device,
1828                                 CONNMAN_SERVICE_TYPE_P2P, true);
1829         }
1830
1831         return ret;
1832 }
1833
1834 #if defined TIZEN_EXT
1835 static void specific_scan_callback(int result, GSupplicantInterface *interface,
1836                                                 void *user_data)
1837 {
1838         struct connman_device *device = user_data;
1839         struct wifi_data *wifi = connman_device_get_data(device);
1840         bool scanning;
1841
1842         DBG("result %d wifi %p", result, wifi);
1843
1844         if (wifi && wifi->scan_params) {
1845                 g_supplicant_free_scan_params(wifi->scan_params);
1846                 wifi->scan_params = NULL;
1847         }
1848
1849         scanning = connman_device_get_scanning(device);
1850         if (scanning) {
1851                 connman_device_set_scanning(device,
1852                                 CONNMAN_SERVICE_TYPE_WIFI, false);
1853                 connman_device_unref(device);
1854         }
1855 }
1856
1857 static int wifi_specific_scan(enum connman_service_type type,
1858                         struct connman_device *device, int scan_type,
1859                         GSList *specific_scan_list, void *user_data)
1860 {
1861         GSList *list = NULL;
1862         char *ssid = NULL;
1863         struct wifi_data *wifi = connman_device_get_data(device);
1864         GSupplicantScanParams *scan_params = NULL;
1865         struct scan_ssid *scan_ssid;
1866         bool scanning;
1867         int ret;
1868         int freq;
1869         int count = 0;
1870
1871         if (!wifi)
1872                 return -ENODEV;
1873
1874         if (wifi->p2p_device)
1875                 return 0;
1876
1877         if (type == CONNMAN_SERVICE_TYPE_P2P)
1878                 return p2p_find(device);
1879
1880         if (wifi->tethering)
1881                 return 0;
1882
1883         scanning = connman_device_get_scanning(device);
1884         if (scanning)
1885                 return -EALREADY;
1886
1887         DBG("scan_type: %d", scan_type);
1888         if (scan_type == 1) { /* ssid based scan */
1889                 scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
1890                 if (!scan_params)
1891                         return -ENOMEM;
1892
1893                 scan_ssid = g_try_new0(struct scan_ssid, 1);
1894                 if (!scan_ssid) {
1895                         g_free(scan_params);
1896                         return -ENOMEM;
1897                 }
1898                 for (list = specific_scan_list; list; list = list->next) {
1899                         ssid = (char *)list->data;
1900                         int ssid_len = strlen(ssid);
1901
1902                         memcpy(scan_ssid->ssid, ssid, (ssid_len + 1));
1903                         DBG("scan ssid %s len: %d", scan_ssid->ssid, ssid_len);
1904                         scan_ssid->ssid_len = ssid_len;
1905                         scan_params->ssids = g_slist_prepend(scan_params->ssids, scan_ssid);
1906                         count++;
1907                 }
1908                 scan_params->num_ssids = count;
1909
1910         } else if (scan_type == 2) { /* frequency based scan */
1911
1912                 scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
1913                 if (!scan_params)
1914                         return -ENOMEM;
1915
1916                 scan_params->freqs = g_try_new0(uint16_t, 1);
1917                 if (!scan_params->freqs) {
1918                         g_free(scan_params);
1919                         return -ENOMEM;
1920                 }
1921                 count = 0;
1922                 for (list = specific_scan_list; list; list = list->next) {
1923                         freq = (int)list->data;
1924                         DBG("freq: %d", freq);
1925                         scan_params->freqs[count] = freq;
1926                         count++;
1927                 }
1928                 scan_params->num_freqs = count;
1929
1930         } else {
1931                 DBG("Invalid scan");
1932                 return -EINVAL;
1933         }
1934
1935         reset_autoscan(device);
1936         connman_device_ref(device);
1937
1938         ret = g_supplicant_interface_scan(wifi->interface, scan_params,
1939                                                 specific_scan_callback, device);
1940
1941         if (ret == 0) {
1942                 connman_device_set_scanning(device,
1943                                 CONNMAN_SERVICE_TYPE_WIFI, true);
1944         } else {
1945                 g_supplicant_free_scan_params(scan_params);
1946                 connman_device_unref(device);
1947         }
1948
1949         return ret;
1950 }
1951 #endif
1952
1953 /*
1954  * Note that the hidden scan is only used when connecting to this specific
1955  * hidden AP first time. It is not used when system autoconnects to hidden AP.
1956  */
1957 static int wifi_scan(enum connman_service_type type,
1958                         struct connman_device *device,
1959                         const char *ssid, unsigned int ssid_len,
1960                         const char *identity, const char* passphrase,
1961                         const char *security, void *user_data)
1962 {
1963         struct wifi_data *wifi = connman_device_get_data(device);
1964         GSupplicantScanParams *scan_params = NULL;
1965         struct scan_ssid *scan_ssid;
1966         struct hidden_params *hidden;
1967         int ret;
1968         int driver_max_ssids = 0;
1969         bool do_hidden;
1970         bool scanning;
1971
1972         if (!wifi)
1973                 return -ENODEV;
1974
1975         if (wifi->p2p_device)
1976                 return 0;
1977
1978         if (type == CONNMAN_SERVICE_TYPE_P2P)
1979                 return p2p_find(device);
1980
1981         DBG("device %p wifi %p hidden ssid %s", device, wifi->interface, ssid);
1982
1983         if (wifi->tethering)
1984                 return 0;
1985
1986         scanning = connman_device_get_scanning(device);
1987
1988         if (!ssid || ssid_len == 0 || ssid_len > 32) {
1989                 if (scanning)
1990                         return -EALREADY;
1991
1992                 driver_max_ssids = g_supplicant_interface_get_max_scan_ssids(
1993                                                         wifi->interface);
1994                 DBG("max ssids %d", driver_max_ssids);
1995                 if (driver_max_ssids == 0)
1996                         return wifi_scan_simple(device);
1997
1998                 do_hidden = false;
1999         } else {
2000                 if (scanning && wifi->hidden && wifi->postpone_hidden)
2001                         return -EALREADY;
2002
2003                 do_hidden = true;
2004         }
2005
2006         scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
2007         if (!scan_params)
2008                 return -ENOMEM;
2009
2010         if (do_hidden) {
2011                 scan_ssid = g_try_new(struct scan_ssid, 1);
2012                 if (!scan_ssid) {
2013                         g_free(scan_params);
2014                         return -ENOMEM;
2015                 }
2016
2017                 memcpy(scan_ssid->ssid, ssid, ssid_len);
2018                 scan_ssid->ssid_len = ssid_len;
2019                 scan_params->ssids = g_slist_prepend(scan_params->ssids,
2020                                                                 scan_ssid);
2021                 scan_params->num_ssids = 1;
2022
2023                 hidden = g_try_new0(struct hidden_params, 1);
2024                 if (!hidden) {
2025                         g_supplicant_free_scan_params(scan_params);
2026                         return -ENOMEM;
2027                 }
2028
2029                 if (wifi->hidden) {
2030                         hidden_free(wifi->hidden);
2031                         wifi->hidden = NULL;
2032                 }
2033
2034                 memcpy(hidden->ssid, ssid, ssid_len);
2035                 hidden->ssid_len = ssid_len;
2036                 hidden->identity = g_strdup(identity);
2037                 hidden->passphrase = g_strdup(passphrase);
2038                 hidden->security = g_strdup(security);
2039                 hidden->user_data = user_data;
2040                 wifi->hidden = hidden;
2041
2042                 if (scanning) {
2043                         /* Let's keep this active scan for later,
2044                          * when current scan will be over. */
2045                         wifi->postpone_hidden = TRUE;
2046                         hidden->scan_params = scan_params;
2047
2048                         return 0;
2049                 }
2050         } else if (wifi->connected) {
2051                 g_supplicant_free_scan_params(scan_params);
2052                 return wifi_scan_simple(device);
2053         } else {
2054                 ret = get_latest_connections(driver_max_ssids, scan_params);
2055                 if (ret <= 0) {
2056                         g_supplicant_free_scan_params(scan_params);
2057                         return wifi_scan_simple(device);
2058                 }
2059         }
2060
2061         connman_device_ref(device);
2062
2063 #if defined TIZEN_EXT
2064         /*To allow the Full Scan after ssid based scan, set the flag here
2065      It is required because Tizen does not use the ConnMan specific
2066      backgroung Scan feature.Tizen has added the BG Scan feature in net-config
2067      To sync with up ConnMan, we need to issue the Full Scan after SSID specific scan.*/
2068          wifi->allow_full_scan = TRUE;
2069 #endif
2070         reset_autoscan(device);
2071
2072         ret = g_supplicant_interface_scan(wifi->interface, scan_params,
2073                                                 scan_callback, device);
2074
2075         if (ret == 0) {
2076                 connman_device_set_scanning(device,
2077                                 CONNMAN_SERVICE_TYPE_WIFI, true);
2078         } else {
2079                 g_supplicant_free_scan_params(scan_params);
2080                 connman_device_unref(device);
2081
2082                 if (do_hidden) {
2083                         hidden_free(wifi->hidden);
2084                         wifi->hidden = NULL;
2085                 }
2086         }
2087
2088         return ret;
2089 }
2090
2091 static void wifi_regdom_callback(int result,
2092                                         const char *alpha2,
2093                                                 void *user_data)
2094 {
2095         struct connman_device *device = user_data;
2096
2097         connman_device_regdom_notify(device, result, alpha2);
2098
2099         connman_device_unref(device);
2100 }
2101
2102 static int wifi_set_regdom(struct connman_device *device, const char *alpha2)
2103 {
2104         struct wifi_data *wifi = connman_device_get_data(device);
2105         int ret;
2106
2107         if (!wifi)
2108                 return -EINVAL;
2109
2110         connman_device_ref(device);
2111
2112         ret = g_supplicant_interface_set_country(wifi->interface,
2113                                                 wifi_regdom_callback,
2114                                                         alpha2, device);
2115         if (ret != 0)
2116                 connman_device_unref(device);
2117
2118         return ret;
2119 }
2120
2121 static struct connman_device_driver wifi_ng_driver = {
2122         .name           = "wifi",
2123         .type           = CONNMAN_DEVICE_TYPE_WIFI,
2124         .priority       = CONNMAN_DEVICE_PRIORITY_LOW,
2125         .probe          = wifi_probe,
2126         .remove         = wifi_remove,
2127         .enable         = wifi_enable,
2128         .disable        = wifi_disable,
2129         .scan           = wifi_scan,
2130         .set_regdom     = wifi_set_regdom,
2131 #if defined TIZEN_EXT
2132         .specific_scan  = wifi_specific_scan,
2133 #endif
2134 };
2135
2136 static void system_ready(void)
2137 {
2138         DBG("");
2139
2140         if (connman_device_driver_register(&wifi_ng_driver) < 0)
2141                 connman_error("Failed to register WiFi driver");
2142 }
2143
2144 static void system_killed(void)
2145 {
2146         DBG("");
2147
2148         connman_device_driver_unregister(&wifi_ng_driver);
2149 }
2150
2151 static int network_probe(struct connman_network *network)
2152 {
2153         DBG("network %p", network);
2154
2155         return 0;
2156 }
2157
2158 static void network_remove(struct connman_network *network)
2159 {
2160         struct connman_device *device = connman_network_get_device(network);
2161         struct wifi_data *wifi;
2162
2163         DBG("network %p", network);
2164
2165         wifi = connman_device_get_data(device);
2166         if (!wifi)
2167                 return;
2168
2169         if (wifi->network != network)
2170                 return;
2171
2172         wifi->network = NULL;
2173
2174 #if defined TIZEN_EXT
2175         wifi->disconnecting = false;
2176
2177         if (wifi->pending_network == network)
2178                 wifi->pending_network = NULL;
2179
2180         if (wifi->scan_pending_network == network)
2181                 wifi->scan_pending_network = NULL;
2182 #endif
2183 }
2184
2185 static void connect_callback(int result, GSupplicantInterface *interface,
2186                                                         void *user_data)
2187 {
2188 #if defined TIZEN_EXT
2189         GList *list;
2190         struct wifi_data *wifi;
2191 #endif
2192         struct connman_network *network = user_data;
2193
2194         DBG("network %p result %d", network, result);
2195
2196 #if defined TIZEN_EXT
2197         for (list = iface_list; list; list = list->next) {
2198                 wifi = list->data;
2199
2200                 if (wifi && wifi->network == network)
2201                         goto found;
2202         }
2203
2204         /* wifi_data may be invalid because wifi is already disabled */
2205         return;
2206
2207 found:
2208 #endif
2209         if (result == -ENOKEY) {
2210                 connman_network_set_error(network,
2211                                         CONNMAN_NETWORK_ERROR_INVALID_KEY);
2212         } else if (result < 0) {
2213                 connman_network_set_error(network,
2214                                         CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
2215         }
2216
2217         connman_network_unref(network);
2218 }
2219
2220 static GSupplicantSecurity network_security(const char *security)
2221 {
2222         if (g_str_equal(security, "none"))
2223                 return G_SUPPLICANT_SECURITY_NONE;
2224         else if (g_str_equal(security, "wep"))
2225                 return G_SUPPLICANT_SECURITY_WEP;
2226         else if (g_str_equal(security, "psk"))
2227                 return G_SUPPLICANT_SECURITY_PSK;
2228         else if (g_str_equal(security, "wpa"))
2229                 return G_SUPPLICANT_SECURITY_PSK;
2230         else if (g_str_equal(security, "rsn"))
2231                 return G_SUPPLICANT_SECURITY_PSK;
2232         else if (g_str_equal(security, "ieee8021x"))
2233                 return G_SUPPLICANT_SECURITY_IEEE8021X;
2234 #if defined TIZEN_EXT
2235         else if (g_str_equal(security, "ft_psk") == TRUE)
2236                 return G_SUPPLICANT_SECURITY_FT_PSK;
2237         else if (g_str_equal(security, "ft_ieee8021x") == TRUE)
2238                 return G_SUPPLICANT_SECURITY_FT_IEEE8021X;
2239 #endif
2240
2241         return G_SUPPLICANT_SECURITY_UNKNOWN;
2242 }
2243
2244 static void ssid_init(GSupplicantSSID *ssid, struct connman_network *network)
2245 {
2246         const char *security;
2247
2248         memset(ssid, 0, sizeof(*ssid));
2249         ssid->mode = G_SUPPLICANT_MODE_INFRA;
2250         ssid->ssid = connman_network_get_blob(network, "WiFi.SSID",
2251                                                 &ssid->ssid_len);
2252         ssid->scan_ssid = 1;
2253         security = connman_network_get_string(network, "WiFi.Security");
2254         ssid->security = network_security(security);
2255         ssid->passphrase = connman_network_get_string(network,
2256                                                 "WiFi.Passphrase");
2257
2258         ssid->eap = connman_network_get_string(network, "WiFi.EAP");
2259
2260         /*
2261          * If our private key password is unset,
2262          * we use the supplied passphrase. That is needed
2263          * for PEAP where 2 passphrases (identity and client
2264          * cert may have to be provided.
2265          */
2266         if (!connman_network_get_string(network, "WiFi.PrivateKeyPassphrase"))
2267                 connman_network_set_string(network,
2268                                                 "WiFi.PrivateKeyPassphrase",
2269                                                 ssid->passphrase);
2270         /* We must have an identity for both PEAP and TLS */
2271         ssid->identity = connman_network_get_string(network, "WiFi.Identity");
2272
2273         /* Use agent provided identity as a fallback */
2274         if (!ssid->identity || strlen(ssid->identity) == 0)
2275                 ssid->identity = connman_network_get_string(network,
2276                                                         "WiFi.AgentIdentity");
2277
2278         ssid->ca_cert_path = connman_network_get_string(network,
2279                                                         "WiFi.CACertFile");
2280         ssid->client_cert_path = connman_network_get_string(network,
2281                                                         "WiFi.ClientCertFile");
2282         ssid->private_key_path = connman_network_get_string(network,
2283                                                         "WiFi.PrivateKeyFile");
2284         ssid->private_key_passphrase = connman_network_get_string(network,
2285                                                 "WiFi.PrivateKeyPassphrase");
2286         ssid->phase2_auth = connman_network_get_string(network, "WiFi.Phase2");
2287
2288         ssid->use_wps = connman_network_get_bool(network, "WiFi.UseWPS");
2289         ssid->pin_wps = connman_network_get_string(network, "WiFi.PinWPS");
2290
2291 #if defined TIZEN_EXT
2292         ssid->bssid = connman_network_get_bssid(network);
2293 #endif
2294 #if defined TIZEN_EXT
2295         ssid->freq = connman_network_get_frequency(network);
2296 #endif
2297
2298         if (connman_setting_get_bool("BackgroundScanning"))
2299                 ssid->bgscan = BGSCAN_DEFAULT;
2300 }
2301
2302 static int network_connect(struct connman_network *network)
2303 {
2304         struct connman_device *device = connman_network_get_device(network);
2305         struct wifi_data *wifi;
2306         GSupplicantInterface *interface;
2307         GSupplicantSSID *ssid;
2308
2309         DBG("network %p", network);
2310
2311         if (!device)
2312                 return -ENODEV;
2313
2314         wifi = connman_device_get_data(device);
2315         if (!wifi)
2316                 return -ENODEV;
2317
2318         ssid = g_try_malloc0(sizeof(GSupplicantSSID));
2319         if (!ssid)
2320                 return -ENOMEM;
2321
2322         interface = wifi->interface;
2323
2324         ssid_init(ssid, network);
2325
2326         if (wifi->disconnecting) {
2327                 wifi->pending_network = network;
2328                 g_free(ssid);
2329         } else {
2330                 wifi->network = connman_network_ref(network);
2331                 wifi->retries = 0;
2332 #if defined TIZEN_EXT
2333                 wifi->scan_pending_network = NULL;
2334 #endif
2335
2336                 return g_supplicant_interface_connect(interface, ssid,
2337                                                 connect_callback, network);
2338         }
2339
2340         return -EINPROGRESS;
2341 }
2342
2343 static void disconnect_callback(int result, GSupplicantInterface *interface,
2344                                                                 void *user_data)
2345 {
2346 #if defined TIZEN_EXT
2347         GList *list;
2348         struct wifi_data *wifi;
2349         struct connman_network *network = user_data;
2350
2351         DBG("network %p result %d", network, result);
2352
2353         for (list = iface_list; list; list = list->next) {
2354                 wifi = list->data;
2355
2356                 if (wifi->network == NULL && wifi->disconnecting == true)
2357                         wifi->disconnecting = false;
2358
2359                 if (wifi->network == network)
2360                         goto found;
2361         }
2362
2363         /* wifi_data may be invalid because wifi is already disabled */
2364         return;
2365
2366 found:
2367 #else
2368         struct wifi_data *wifi = user_data;
2369 #endif
2370
2371         DBG("result %d supplicant interface %p wifi %p",
2372                         result, interface, wifi);
2373
2374         if (result == -ECONNABORTED) {
2375                 DBG("wifi interface no longer available");
2376                 return;
2377         }
2378
2379         if (wifi->network) {
2380                 /*
2381                  * if result < 0 supplican return an error because
2382                  * the network is not current.
2383                  * we wont receive G_SUPPLICANT_STATE_DISCONNECTED since it
2384                  * failed, call connman_network_set_connected to report
2385                  * disconnect is completed.
2386                  */
2387                 if (result < 0)
2388                         connman_network_set_connected(wifi->network, false);
2389         }
2390
2391         wifi->network = NULL;
2392
2393         wifi->disconnecting = false;
2394
2395         if (wifi->pending_network) {
2396                 network_connect(wifi->pending_network);
2397                 wifi->pending_network = NULL;
2398         }
2399
2400         start_autoscan(wifi->device);
2401 }
2402
2403 static int network_disconnect(struct connman_network *network)
2404 {
2405         struct connman_device *device = connman_network_get_device(network);
2406         struct wifi_data *wifi;
2407         int err;
2408 #if defined TIZEN_EXT
2409         struct connman_service *service;
2410 #endif
2411
2412         DBG("network %p", network);
2413
2414         wifi = connman_device_get_data(device);
2415         if (!wifi || !wifi->interface)
2416                 return -ENODEV;
2417
2418 #if defined TIZEN_EXT
2419         if (connman_network_get_associating(network) == true) {
2420                 connman_network_clear_associating(network);
2421                 connman_network_set_bool(network, "WiFi.UseWPS", false);
2422         } else {
2423                 service = connman_service_lookup_from_network(network);
2424
2425                 if (service != NULL &&
2426                         (__connman_service_is_connected_state(service,
2427                                         CONNMAN_IPCONFIG_TYPE_IPV4) == false &&
2428                         __connman_service_is_connected_state(service,
2429                                         CONNMAN_IPCONFIG_TYPE_IPV6) == false) &&
2430                         (connman_service_get_favorite(service) == false))
2431                                         __connman_service_set_passphrase(service, NULL);
2432         }
2433
2434         if (wifi->pending_network == network)
2435                 wifi->pending_network = NULL;
2436
2437         if (wifi->scan_pending_network == network)
2438                 wifi->scan_pending_network = NULL;
2439
2440 #endif
2441         connman_network_set_associating(network, false);
2442
2443         if (wifi->disconnecting)
2444                 return -EALREADY;
2445
2446         wifi->disconnecting = true;
2447
2448 #if defined TIZEN_EXT
2449         err = g_supplicant_interface_disconnect(wifi->interface,
2450                                                 disconnect_callback, network);
2451 #else
2452         err = g_supplicant_interface_disconnect(wifi->interface,
2453                                                 disconnect_callback, wifi);
2454 #endif
2455
2456         if (err < 0)
2457                 wifi->disconnecting = false;
2458
2459         return err;
2460 }
2461
2462 static struct connman_network_driver network_driver = {
2463         .name           = "wifi",
2464         .type           = CONNMAN_NETWORK_TYPE_WIFI,
2465         .priority       = CONNMAN_NETWORK_PRIORITY_LOW,
2466         .probe          = network_probe,
2467         .remove         = network_remove,
2468         .connect        = network_connect,
2469         .disconnect     = network_disconnect,
2470 };
2471
2472 static void interface_added(GSupplicantInterface *interface)
2473 {
2474         const char *ifname = g_supplicant_interface_get_ifname(interface);
2475         const char *driver = g_supplicant_interface_get_driver(interface);
2476         struct wifi_data *wifi;
2477
2478         wifi = g_supplicant_interface_get_data(interface);
2479         if (!wifi) {
2480                 wifi = get_pending_wifi_data(ifname);
2481                 if (!wifi)
2482                         return;
2483
2484                 g_supplicant_interface_set_data(interface, wifi);
2485                 p2p_iface_list = g_list_append(p2p_iface_list, wifi);
2486                 wifi->p2p_device = true;
2487         }
2488
2489         DBG("ifname %s driver %s wifi %p tethering %d",
2490                         ifname, driver, wifi, wifi->tethering);
2491
2492         if (!wifi->device) {
2493                 connman_error("WiFi device not set");
2494                 return;
2495         }
2496
2497         connman_device_set_powered(wifi->device, true);
2498 }
2499
2500 static bool is_idle(struct wifi_data *wifi)
2501 {
2502         DBG("state %d", wifi->state);
2503
2504         switch (wifi->state) {
2505         case G_SUPPLICANT_STATE_UNKNOWN:
2506         case G_SUPPLICANT_STATE_DISABLED:
2507         case G_SUPPLICANT_STATE_DISCONNECTED:
2508         case G_SUPPLICANT_STATE_INACTIVE:
2509         case G_SUPPLICANT_STATE_SCANNING:
2510                 return true;
2511
2512         case G_SUPPLICANT_STATE_AUTHENTICATING:
2513         case G_SUPPLICANT_STATE_ASSOCIATING:
2514         case G_SUPPLICANT_STATE_ASSOCIATED:
2515         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2516         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2517         case G_SUPPLICANT_STATE_COMPLETED:
2518                 return false;
2519         }
2520
2521         return false;
2522 }
2523
2524 static bool is_idle_wps(GSupplicantInterface *interface,
2525                                                 struct wifi_data *wifi)
2526 {
2527         /* First, let's check if WPS processing did not went wrong */
2528         if (g_supplicant_interface_get_wps_state(interface) ==
2529                 G_SUPPLICANT_WPS_STATE_FAIL)
2530                 return false;
2531
2532         /* Unlike normal connection, being associated while processing wps
2533          * actually means that we are idling. */
2534         switch (wifi->state) {
2535         case G_SUPPLICANT_STATE_UNKNOWN:
2536         case G_SUPPLICANT_STATE_DISABLED:
2537         case G_SUPPLICANT_STATE_DISCONNECTED:
2538         case G_SUPPLICANT_STATE_INACTIVE:
2539         case G_SUPPLICANT_STATE_SCANNING:
2540         case G_SUPPLICANT_STATE_ASSOCIATED:
2541                 return true;
2542         case G_SUPPLICANT_STATE_AUTHENTICATING:
2543         case G_SUPPLICANT_STATE_ASSOCIATING:
2544         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2545         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2546         case G_SUPPLICANT_STATE_COMPLETED:
2547                 return false;
2548         }
2549
2550         return false;
2551 }
2552
2553 static bool handle_wps_completion(GSupplicantInterface *interface,
2554                                         struct connman_network *network,
2555                                         struct connman_device *device,
2556                                         struct wifi_data *wifi)
2557 {
2558         bool wps;
2559
2560         wps = connman_network_get_bool(network, "WiFi.UseWPS");
2561         if (wps) {
2562                 const unsigned char *ssid, *wps_ssid;
2563                 unsigned int ssid_len, wps_ssid_len;
2564                 const char *wps_key;
2565
2566                 /* Checking if we got associated with requested
2567                  * network */
2568                 ssid = connman_network_get_blob(network, "WiFi.SSID",
2569                                                 &ssid_len);
2570
2571                 wps_ssid = g_supplicant_interface_get_wps_ssid(
2572                         interface, &wps_ssid_len);
2573
2574                 if (!wps_ssid || wps_ssid_len != ssid_len ||
2575                                 memcmp(ssid, wps_ssid, ssid_len) != 0) {
2576                         connman_network_set_associating(network, false);
2577 #if defined TIZEN_EXT
2578                         g_supplicant_interface_disconnect(wifi->interface,
2579                                                 disconnect_callback, wifi->network);
2580
2581                         connman_network_set_bool(network, "WiFi.UseWPS", false);
2582                         connman_network_set_string(network, "WiFi.PinWPS", NULL);
2583 #else
2584                         g_supplicant_interface_disconnect(wifi->interface,
2585                                                 disconnect_callback, wifi);
2586 #endif
2587                         return false;
2588                 }
2589
2590                 wps_key = g_supplicant_interface_get_wps_key(interface);
2591                 connman_network_set_string(network, "WiFi.Passphrase",
2592                                         wps_key);
2593
2594                 connman_network_set_string(network, "WiFi.PinWPS", NULL);
2595         }
2596
2597         return true;
2598 }
2599
2600 static bool handle_4way_handshake_failure(GSupplicantInterface *interface,
2601                                         struct connman_network *network,
2602                                         struct wifi_data *wifi)
2603 {
2604 #if defined TIZEN_EXT
2605         const char *security;
2606         struct connman_service *service;
2607
2608         if (wifi->connected)
2609                 return false;
2610
2611         security = connman_network_get_string(network, "WiFi.Security");
2612
2613         if (g_str_equal(security, "ieee8021x") == true &&
2614                         wifi->state == G_SUPPLICANT_STATE_ASSOCIATED) {
2615                 wifi->retries = 0;
2616                 connman_network_set_error(network, CONNMAN_NETWORK_ERROR_INVALID_KEY);
2617
2618                 return false;
2619         }
2620
2621         if (wifi->state != G_SUPPLICANT_STATE_4WAY_HANDSHAKE)
2622                 return false;
2623 #else
2624         struct connman_service *service;
2625
2626         if (wifi->state != G_SUPPLICANT_STATE_4WAY_HANDSHAKE)
2627                 return false;
2628
2629         if (wifi->connected)
2630                 return false;
2631 #endif
2632
2633         service = connman_service_lookup_from_network(network);
2634         if (!service)
2635                 return false;
2636
2637         wifi->retries++;
2638
2639         if (connman_service_get_favorite(service)) {
2640                 if (wifi->retries < FAVORITE_MAXIMUM_RETRIES)
2641                         return true;
2642         }
2643
2644         wifi->retries = 0;
2645         connman_network_set_error(network, CONNMAN_NETWORK_ERROR_INVALID_KEY);
2646
2647         return false;
2648 }
2649
2650 #if defined TIZEN_EXT
2651 static bool handle_wifi_assoc_retry(struct connman_network *network,
2652                                         struct wifi_data *wifi)
2653 {
2654         const char *security;
2655
2656         if (!wifi->network || wifi->connected || wifi->disconnecting ||
2657                         connman_network_get_connecting(network) != true) {
2658                 wifi->assoc_retry_count = 0;
2659                 return false;
2660         }
2661
2662         if (wifi->state != G_SUPPLICANT_STATE_ASSOCIATING &&
2663                         wifi->state != G_SUPPLICANT_STATE_ASSOCIATED) {
2664                 wifi->assoc_retry_count = 0;
2665                 return false;
2666         }
2667
2668         security = connman_network_get_string(network, "WiFi.Security");
2669         if (g_str_equal(security, "ieee8021x") == true &&
2670                         wifi->state == G_SUPPLICANT_STATE_ASSOCIATED) {
2671                 wifi->assoc_retry_count = 0;
2672                 return false;
2673         }
2674
2675         if (++wifi->assoc_retry_count >= TIZEN_ASSOC_RETRY_COUNT) {
2676                 wifi->assoc_retry_count = 0;
2677
2678                 /* Honestly it's not an invalid-key error,
2679                  * however QA team recommends that the invalid-key error
2680                  * might be better to display for user experience.
2681                  */
2682                 connman_network_set_error(network, CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
2683
2684                 return false;
2685         }
2686
2687         return true;
2688 }
2689 #endif
2690
2691 static void interface_state(GSupplicantInterface *interface)
2692 {
2693         struct connman_network *network;
2694         struct connman_device *device;
2695         struct wifi_data *wifi;
2696         GSupplicantState state = g_supplicant_interface_get_state(interface);
2697         bool wps;
2698
2699         wifi = g_supplicant_interface_get_data(interface);
2700
2701         DBG("wifi %p interface state %d", wifi, state);
2702
2703         if (!wifi)
2704                 return;
2705
2706         device = wifi->device;
2707         if (!device)
2708                 return;
2709
2710         if (g_supplicant_interface_get_ready(interface) &&
2711                                         !wifi->interface_ready) {
2712                 wifi->interface_ready = true;
2713                 finalize_interface_creation(wifi);
2714         }
2715
2716         network = wifi->network;
2717         if (!network)
2718                 return;
2719
2720         switch (state) {
2721         case G_SUPPLICANT_STATE_SCANNING:
2722                 break;
2723
2724         case G_SUPPLICANT_STATE_AUTHENTICATING:
2725         case G_SUPPLICANT_STATE_ASSOCIATING:
2726 #if defined TIZEN_EXT
2727                 reset_autoscan(device);
2728 #else
2729                 stop_autoscan(device);
2730 #endif
2731
2732                 if (!wifi->connected)
2733                         connman_network_set_associating(network, true);
2734
2735                 break;
2736
2737         case G_SUPPLICANT_STATE_COMPLETED:
2738 #if defined TIZEN_EXT
2739                 /* though it should be already reset: */
2740                 reset_autoscan(device);
2741
2742                 wifi->assoc_retry_count = 0;
2743
2744                 wifi->scan_pending_network = NULL;
2745
2746                 /* should be cleared scanning flag */
2747                 bool scanning = connman_device_get_scanning(device);
2748                 if (scanning){
2749                         connman_device_set_scanning(device,
2750                                 CONNMAN_SERVICE_TYPE_WIFI, false);
2751                         connman_device_unref(device);
2752                 }
2753 #else
2754                 /* though it should be already stopped: */
2755                 stop_autoscan(device);
2756 #endif
2757
2758                 if (!handle_wps_completion(interface, network, device, wifi))
2759                         break;
2760
2761                 connman_network_set_connected(network, true);
2762                 wifi->disconnect_code = 0;
2763                 break;
2764
2765         case G_SUPPLICANT_STATE_DISCONNECTED:
2766                 /*
2767                  * If we're in one of the idle modes, we have
2768                  * not started association yet and thus setting
2769                  * those ones to FALSE could cancel an association
2770                  * in progress.
2771                  */
2772                 wps = connman_network_get_bool(network, "WiFi.UseWPS");
2773                 if (wps)
2774                         if (is_idle_wps(interface, wifi))
2775                                 break;
2776
2777                 if (is_idle(wifi))
2778                         break;
2779
2780                 /* If previous state was 4way-handshake, then
2781                  * it's either: psk was incorrect and thus we retry
2782                  * or if we reach the maximum retries we declare the
2783                  * psk as wrong */
2784                 if (handle_4way_handshake_failure(interface,
2785                                                 network, wifi))
2786                         break;
2787
2788                 /* See table 8-36 Reason codes in IEEE Std 802.11 */
2789                 switch (wifi->disconnect_code) {
2790                 case 1: /* Unspecified reason */
2791                         /* Let's assume it's because we got blocked */
2792
2793                 case 6: /* Class 2 frame received from nonauthenticated STA */
2794                         connman_network_set_error(network,
2795                                                 CONNMAN_NETWORK_ERROR_BLOCKED);
2796                         break;
2797
2798                 default:
2799                         break;
2800                 }
2801
2802
2803                 /* We disable the selected network, if not then
2804                  * wpa_supplicant will loop retrying */
2805                 if (g_supplicant_interface_enable_selected_network(interface,
2806                                                 FALSE) != 0)
2807                         DBG("Could not disables selected network");
2808
2809 #if defined TIZEN_EXT
2810                 int err;
2811
2812                 err = g_supplicant_interface_remove_network(wifi->interface);
2813                 if (err < 0)
2814                         DBG("Failed to remove network(%d)", err);
2815
2816
2817                 /* Some of Wi-Fi networks are not comply Wi-Fi specification.
2818                  * Retry association until its retry count is expired */
2819                 if (handle_wifi_assoc_retry(network, wifi) == true) {
2820                         throw_wifi_scan(wifi->device, scan_callback);
2821                         wifi->scan_pending_network = wifi->network;
2822                         break;
2823                 }
2824
2825                 if(wifi->disconnect_code > 0){
2826                         DBG("Set disconnect reason code(%d)", wifi->disconnect_code);
2827                         connman_network_set_disconnect_reason(network, wifi->disconnect_code);
2828                 }
2829
2830                 /* To avoid unnecessary repeated association in wpa_supplicant,
2831                  * "RemoveNetwork" should be made when Wi-Fi is disconnected */
2832                 if (wps != true && wifi->network && wifi->disconnecting == false) {
2833                         wifi->disconnecting = true;
2834                         err = g_supplicant_interface_disconnect(wifi->interface,
2835                                                         disconnect_callback, wifi->network);
2836                         if (err < 0)
2837                                 wifi->disconnecting = false;
2838
2839                 connman_network_set_connected(network, false);
2840                 connman_network_set_associating(network, false);
2841
2842                 start_autoscan(device);
2843
2844                 break;
2845                 }
2846 #endif
2847
2848                 connman_network_set_connected(network, false);
2849                 connman_network_set_associating(network, false);
2850                 wifi->disconnecting = false;
2851
2852                 start_autoscan(device);
2853
2854                 break;
2855
2856         case G_SUPPLICANT_STATE_INACTIVE:
2857 #if defined TIZEN_EXT
2858                 if (handle_wps_completion(interface, network, device, wifi) == false)
2859                         break;
2860 #endif
2861                 connman_network_set_associating(network, false);
2862                 start_autoscan(device);
2863
2864                 break;
2865
2866         case G_SUPPLICANT_STATE_UNKNOWN:
2867         case G_SUPPLICANT_STATE_DISABLED:
2868         case G_SUPPLICANT_STATE_ASSOCIATED:
2869         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2870         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2871                 break;
2872         }
2873
2874         wifi->state = state;
2875
2876         /* Saving wpa_s state policy:
2877          * If connected and if the state changes are roaming related:
2878          * --> We stay connected
2879          * If completed
2880          * --> We are connected
2881          * All other case:
2882          * --> We are not connected
2883          * */
2884         switch (state) {
2885 #if defined TIZEN_EXT
2886         case G_SUPPLICANT_STATE_SCANNING:
2887                 break;
2888 #endif
2889         case G_SUPPLICANT_STATE_AUTHENTICATING:
2890         case G_SUPPLICANT_STATE_ASSOCIATING:
2891         case G_SUPPLICANT_STATE_ASSOCIATED:
2892         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2893         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2894                 if (wifi->connected)
2895                         connman_warn("Probably roaming right now!"
2896                                                 " Staying connected...");
2897                 else
2898                         wifi->connected = false;
2899                 break;
2900         case G_SUPPLICANT_STATE_COMPLETED:
2901                 wifi->connected = true;
2902                 break;
2903         default:
2904                 wifi->connected = false;
2905                 break;
2906         }
2907
2908         DBG("DONE");
2909 }
2910
2911 static void interface_removed(GSupplicantInterface *interface)
2912 {
2913         const char *ifname = g_supplicant_interface_get_ifname(interface);
2914         struct wifi_data *wifi;
2915
2916         DBG("ifname %s", ifname);
2917
2918         wifi = g_supplicant_interface_get_data(interface);
2919
2920         if (wifi)
2921                 wifi->interface = NULL;
2922
2923         if (wifi && wifi->tethering)
2924                 return;
2925
2926         if (!wifi || !wifi->device) {
2927                 DBG("wifi interface already removed");
2928                 return;
2929         }
2930
2931         connman_device_set_powered(wifi->device, false);
2932
2933         check_p2p_technology();
2934 }
2935
2936 static void set_device_type(const char *type, char dev_type[17])
2937 {
2938         const char *oui = "0050F204";
2939         const char *category = "0100";
2940         const char *sub_category = "0000";
2941
2942         if (!g_strcmp0(type, "handset")) {
2943                 category = "0A00";
2944                 sub_category = "0500";
2945         } else if (!g_strcmp0(type, "vm") || !g_strcmp0(type, "container"))
2946                 sub_category = "0100";
2947         else if (!g_strcmp0(type, "server"))
2948                 sub_category = "0200";
2949         else if (!g_strcmp0(type, "laptop"))
2950                 sub_category = "0500";
2951         else if (!g_strcmp0(type, "desktop"))
2952                 sub_category = "0600";
2953         else if (!g_strcmp0(type, "tablet"))
2954                 sub_category = "0900";
2955         else if (!g_strcmp0(type, "watch"))
2956                 category = "FF00";
2957
2958         snprintf(dev_type, 17, "%s%s%s", category, oui, sub_category);
2959 }
2960
2961 static void p2p_support(GSupplicantInterface *interface)
2962 {
2963         char dev_type[17] = {};
2964         const char *hostname;
2965
2966         DBG("");
2967
2968         if (!g_supplicant_interface_has_p2p(interface))
2969                 return;
2970
2971         if (connman_technology_driver_register(&p2p_tech_driver) < 0) {
2972                 DBG("Could not register P2P technology driver");
2973                 return;
2974         }
2975
2976         hostname = connman_utsname_get_hostname();
2977         if (!hostname)
2978                 hostname = "ConnMan";
2979
2980         set_device_type(connman_machine_get_type(), dev_type);
2981         g_supplicant_interface_set_p2p_device_config(interface,
2982                                                         hostname, dev_type);
2983         connman_peer_driver_register(&peer_driver);
2984 }
2985
2986 static void scan_started(GSupplicantInterface *interface)
2987 {
2988         DBG("");
2989 }
2990
2991 static void scan_finished(GSupplicantInterface *interface)
2992 {
2993 #if defined TIZEN_EXT
2994         struct wifi_data *wifi;
2995         bool is_associating = false;
2996         static bool is_scanning = true;
2997 #endif
2998
2999         DBG("");
3000
3001 #if defined TIZEN_EXT
3002         wifi = g_supplicant_interface_get_data(interface);
3003         if (wifi && wifi->scan_pending_network) {
3004                 network_connect(wifi->scan_pending_network);
3005                 wifi->scan_pending_network = NULL;
3006         }
3007
3008         //service state - associating
3009         if(!wifi || !wifi->network)
3010                 return;
3011
3012         is_associating = connman_network_get_associating(wifi->network);
3013         if(is_associating && is_scanning){
3014                 is_scanning = false;
3015                 DBG("send scan for connecting");
3016                 throw_wifi_scan(wifi->device, scan_callback);
3017
3018                 return;
3019         }
3020         is_scanning = true;
3021
3022         //go scan
3023
3024 #endif
3025 }
3026
3027 static unsigned char calculate_strength(GSupplicantNetwork *supplicant_network)
3028 {
3029         unsigned char strength;
3030
3031         strength = 120 + g_supplicant_network_get_signal(supplicant_network);
3032
3033 #if !defined TIZEN_EXT
3034         if (strength > 100)
3035                 strength = 100;
3036 #endif
3037         return strength;
3038 }
3039
3040 static void network_added(GSupplicantNetwork *supplicant_network)
3041 {
3042         struct connman_network *network;
3043         GSupplicantInterface *interface;
3044         struct wifi_data *wifi;
3045         const char *name, *identifier, *security, *group, *mode;
3046         const unsigned char *ssid;
3047         unsigned int ssid_len;
3048         bool wps;
3049         bool wps_pbc;
3050         bool wps_ready;
3051         bool wps_advertizing;
3052
3053 #if defined TIZEN_EXT
3054         const char *wifi_vsie;
3055         unsigned int wifi_vsie_len;
3056 #endif
3057
3058         mode = g_supplicant_network_get_mode(supplicant_network);
3059         identifier = g_supplicant_network_get_identifier(supplicant_network);
3060
3061         DBG("%s", identifier);
3062
3063         if (!g_strcmp0(mode, "adhoc"))
3064                 return;
3065
3066         interface = g_supplicant_network_get_interface(supplicant_network);
3067         wifi = g_supplicant_interface_get_data(interface);
3068         name = g_supplicant_network_get_name(supplicant_network);
3069         security = g_supplicant_network_get_security(supplicant_network);
3070         group = g_supplicant_network_get_identifier(supplicant_network);
3071         wps = g_supplicant_network_get_wps(supplicant_network);
3072         wps_pbc = g_supplicant_network_is_wps_pbc(supplicant_network);
3073         wps_ready = g_supplicant_network_is_wps_active(supplicant_network);
3074         wps_advertizing = g_supplicant_network_is_wps_advertizing(
3075                                                         supplicant_network);
3076
3077         if (!wifi)
3078                 return;
3079
3080         ssid = g_supplicant_network_get_ssid(supplicant_network, &ssid_len);
3081
3082 #if defined TIZEN_EXT
3083         wifi_vsie = g_supplicant_network_get_wifi_vsie(supplicant_network, &wifi_vsie_len);
3084 #endif
3085         network = connman_device_get_network(wifi->device, identifier);
3086
3087         if (!network) {
3088                 network = connman_network_create(identifier,
3089                                                 CONNMAN_NETWORK_TYPE_WIFI);
3090                 if (!network)
3091                         return;
3092
3093                 connman_network_set_index(network, wifi->index);
3094
3095                 if (connman_device_add_network(wifi->device, network) < 0) {
3096                         connman_network_unref(network);
3097                         return;
3098                 }
3099
3100                 wifi->networks = g_slist_prepend(wifi->networks, network);
3101         }
3102
3103         if (name && name[0] != '\0')
3104                 connman_network_set_name(network, name);
3105
3106         connman_network_set_blob(network, "WiFi.SSID",
3107                                                 ssid, ssid_len);
3108 #if defined TIZEN_EXT
3109         if(wifi_vsie_len > 0 && wifi_vsie)
3110                 connman_network_set_blob(network, "WiFi.Vsie",
3111                                                         wifi_vsie, wifi_vsie_len);
3112 #endif
3113         connman_network_set_string(network, "WiFi.Security", security);
3114         connman_network_set_strength(network,
3115                                 calculate_strength(supplicant_network));
3116         connman_network_set_bool(network, "WiFi.WPS", wps);
3117
3118         if (wps) {
3119                 /* Is AP advertizing for WPS association?
3120                  * If so, we decide to use WPS by default */
3121                 if (wps_ready && wps_pbc &&
3122                                                 wps_advertizing) {
3123 #if !defined TIZEN_EXT
3124                         connman_network_set_bool(network, "WiFi.UseWPS", true);
3125 #else
3126                         DBG("wps is activating by ap but ignore it.");
3127 #endif
3128                 }
3129         }
3130
3131         connman_network_set_frequency(network,
3132                         g_supplicant_network_get_frequency(supplicant_network));
3133 #if defined TIZEN_EXT
3134         connman_network_set_bssid(network,
3135                         g_supplicant_network_get_bssid(supplicant_network));
3136         connman_network_set_maxrate(network,
3137                         g_supplicant_network_get_maxrate(supplicant_network));
3138         connman_network_set_enc_mode(network,
3139                         g_supplicant_network_get_enc_mode(supplicant_network));
3140         connman_network_set_rsn_mode(network,
3141                         g_supplicant_network_get_rsn_mode(supplicant_network));
3142         connman_network_set_keymgmt(network,
3143                         g_supplicant_network_get_keymgmt(supplicant_network));
3144 #endif
3145         connman_network_set_available(network, true);
3146         connman_network_set_string(network, "WiFi.Mode", mode);
3147
3148 #if defined TIZEN_EXT
3149         if (group)
3150 #else
3151         if (ssid)
3152 #endif
3153                 connman_network_set_group(network, group);
3154
3155 #if defined TIZEN_EXT
3156         if (wifi_first_scan == true)
3157                 found_with_first_scan = true;
3158 #endif
3159
3160         if (wifi->hidden && ssid) {
3161 #if defined TIZEN_EXT
3162                 if (network_security(wifi->hidden->security) ==
3163                         network_security(security) &&
3164 #else
3165                 if (!g_strcmp0(wifi->hidden->security, security) &&
3166 #endif
3167                                 wifi->hidden->ssid_len == ssid_len &&
3168                                 !memcmp(wifi->hidden->ssid, ssid, ssid_len)) {
3169                         connman_network_connect_hidden(network,
3170                                         wifi->hidden->identity,
3171                                         wifi->hidden->passphrase,
3172                                         wifi->hidden->user_data);
3173                         wifi->hidden->user_data = NULL;
3174                         hidden_free(wifi->hidden);
3175                         wifi->hidden = NULL;
3176                 }
3177         }
3178 }
3179
3180 static void network_removed(GSupplicantNetwork *network)
3181 {
3182         GSupplicantInterface *interface;
3183         struct wifi_data *wifi;
3184         const char *name, *identifier;
3185         struct connman_network *connman_network;
3186
3187         interface = g_supplicant_network_get_interface(network);
3188         wifi = g_supplicant_interface_get_data(interface);
3189         identifier = g_supplicant_network_get_identifier(network);
3190         name = g_supplicant_network_get_name(network);
3191
3192         DBG("name %s", name);
3193
3194         if (!wifi)
3195                 return;
3196
3197         connman_network = connman_device_get_network(wifi->device, identifier);
3198         if (!connman_network)
3199                 return;
3200
3201 #if defined TIZEN_EXT
3202         if (connman_network == wifi->scan_pending_network)
3203                 wifi->scan_pending_network = NULL;
3204
3205         if (connman_network == wifi->pending_network)
3206                 wifi->pending_network = NULL;
3207
3208         if(connman_network_get_connecting(connman_network) == true){
3209                 connman_network_set_connected(connman_network, false);
3210         }
3211 #endif
3212
3213         wifi->networks = g_slist_remove(wifi->networks, connman_network);
3214
3215         connman_device_remove_network(wifi->device, connman_network);
3216         connman_network_unref(connman_network);
3217 }
3218
3219 static void network_changed(GSupplicantNetwork *network, const char *property)
3220 {
3221         GSupplicantInterface *interface;
3222         struct wifi_data *wifi;
3223         const char *name, *identifier;
3224         struct connman_network *connman_network;
3225
3226 #if defined TIZEN_EXT
3227         const unsigned char *bssid;
3228         unsigned int maxrate;
3229         uint16_t frequency;
3230         bool wps;
3231 #endif
3232
3233         interface = g_supplicant_network_get_interface(network);
3234         wifi = g_supplicant_interface_get_data(interface);
3235         identifier = g_supplicant_network_get_identifier(network);
3236         name = g_supplicant_network_get_name(network);
3237
3238         DBG("name %s", name);
3239
3240         if (!wifi)
3241                 return;
3242
3243         connman_network = connman_device_get_network(wifi->device, identifier);
3244         if (!connman_network)
3245                 return;
3246
3247         if (g_str_equal(property, "Signal")) {
3248                connman_network_set_strength(connman_network,
3249                                         calculate_strength(network));
3250                connman_network_update(connman_network);
3251         }
3252
3253 #if defined TIZEN_EXT
3254         bssid = g_supplicant_network_get_bssid(network);
3255         maxrate = g_supplicant_network_get_maxrate(network);
3256         frequency = g_supplicant_network_get_frequency(network);
3257         wps = g_supplicant_network_get_wps(network);
3258
3259         connman_network_set_bssid(connman_network, bssid);
3260         connman_network_set_maxrate(connman_network, maxrate);
3261         connman_network_set_frequency(connman_network, frequency);
3262         connman_network_set_bool(connman_network, "WiFi.WPS", wps);
3263 #endif
3264 }
3265
3266 static void apply_peer_services(GSupplicantPeer *peer,
3267                                 struct connman_peer *connman_peer)
3268 {
3269         const unsigned char *data;
3270         int length;
3271
3272         DBG("");
3273
3274         connman_peer_reset_services(connman_peer);
3275
3276         data = g_supplicant_peer_get_widi_ies(peer, &length);
3277         if (data) {
3278                 connman_peer_add_service(connman_peer,
3279                         CONNMAN_PEER_SERVICE_WIFI_DISPLAY, data, length);
3280         }
3281 }
3282
3283 static void add_station(const char *mac)
3284 {
3285         connman_technology_tethering_add_station(CONNMAN_SERVICE_TYPE_WIFI,
3286                                                  mac);
3287 }
3288
3289 static void remove_station(const char *mac)
3290 {
3291         connman_technology_tethering_remove_station(mac);
3292 }
3293
3294 static void peer_found(GSupplicantPeer *peer)
3295 {
3296         GSupplicantInterface *iface = g_supplicant_peer_get_interface(peer);
3297         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
3298         struct connman_peer *connman_peer;
3299         const char *identifier, *name;
3300         int ret;
3301
3302         identifier = g_supplicant_peer_get_identifier(peer);
3303         name = g_supplicant_peer_get_name(peer);
3304
3305         DBG("ident: %s", identifier);
3306
3307         connman_peer = connman_peer_get(wifi->device, identifier);
3308         if (connman_peer)
3309                 return;
3310
3311         connman_peer = connman_peer_create(identifier);
3312         connman_peer_set_name(connman_peer, name);
3313         connman_peer_set_device(connman_peer, wifi->device);
3314         apply_peer_services(peer, connman_peer);
3315
3316         ret = connman_peer_register(connman_peer);
3317         if (ret < 0 && ret != -EALREADY)
3318                 connman_peer_unref(connman_peer);
3319 }
3320
3321 static void peer_lost(GSupplicantPeer *peer)
3322 {
3323         GSupplicantInterface *iface = g_supplicant_peer_get_interface(peer);
3324         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
3325         struct connman_peer *connman_peer;
3326         const char *identifier;
3327
3328         if (!wifi)
3329                 return;
3330
3331         identifier = g_supplicant_peer_get_identifier(peer);
3332
3333         DBG("ident: %s", identifier);
3334
3335         connman_peer = connman_peer_get(wifi->device, identifier);
3336         if (connman_peer) {
3337                 if (wifi->p2p_connecting &&
3338                                 wifi->pending_peer == connman_peer) {
3339                         peer_connect_timeout(wifi);
3340                 }
3341                 connman_peer_unregister(connman_peer);
3342                 connman_peer_unref(connman_peer);
3343         }
3344 }
3345
3346 static void peer_changed(GSupplicantPeer *peer, GSupplicantPeerState state)
3347 {
3348         GSupplicantInterface *iface = g_supplicant_peer_get_interface(peer);
3349         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
3350         enum connman_peer_state p_state = CONNMAN_PEER_STATE_UNKNOWN;
3351         struct connman_peer *connman_peer;
3352         const char *identifier;
3353
3354         identifier = g_supplicant_peer_get_identifier(peer);
3355
3356         DBG("ident: %s", identifier);
3357
3358         connman_peer = connman_peer_get(wifi->device, identifier);
3359         if (!connman_peer)
3360                 return;
3361
3362         switch (state) {
3363         case G_SUPPLICANT_PEER_SERVICES_CHANGED:
3364                 apply_peer_services(peer, connman_peer);
3365                 connman_peer_services_changed(connman_peer);
3366                 return;
3367         case G_SUPPLICANT_PEER_GROUP_CHANGED:
3368                 if (!g_supplicant_peer_is_in_a_group(peer))
3369                         p_state = CONNMAN_PEER_STATE_IDLE;
3370                 else
3371                         p_state = CONNMAN_PEER_STATE_CONFIGURATION;
3372                 break;
3373         case G_SUPPLICANT_PEER_GROUP_STARTED:
3374                 break;
3375         case G_SUPPLICANT_PEER_GROUP_FINISHED:
3376                 p_state = CONNMAN_PEER_STATE_IDLE;
3377                 break;
3378         case G_SUPPLICANT_PEER_GROUP_JOINED:
3379                 connman_peer_set_iface_address(connman_peer,
3380                                 g_supplicant_peer_get_iface_address(peer));
3381                 break;
3382         case G_SUPPLICANT_PEER_GROUP_DISCONNECTED:
3383                 p_state = CONNMAN_PEER_STATE_IDLE;
3384                 break;
3385         case G_SUPPLICANT_PEER_GROUP_FAILED:
3386                 if (g_supplicant_peer_has_requested_connection(peer))
3387                         p_state = CONNMAN_PEER_STATE_IDLE;
3388                 else
3389                         p_state = CONNMAN_PEER_STATE_FAILURE;
3390                 break;
3391         }
3392
3393         if (p_state == CONNMAN_PEER_STATE_CONFIGURATION ||
3394                                         p_state == CONNMAN_PEER_STATE_FAILURE) {
3395                 if (wifi->p2p_connecting
3396                                 && connman_peer == wifi->pending_peer)
3397                         peer_cancel_timeout(wifi);
3398                 else
3399                         p_state = CONNMAN_PEER_STATE_UNKNOWN;
3400         }
3401
3402         if (p_state == CONNMAN_PEER_STATE_UNKNOWN)
3403                 return;
3404
3405         if (p_state == CONNMAN_PEER_STATE_CONFIGURATION) {
3406                 GSupplicantInterface *g_iface;
3407                 struct wifi_data *g_wifi;
3408
3409                 g_iface = g_supplicant_peer_get_group_interface(peer);
3410                 if (!g_iface)
3411                         return;
3412
3413                 g_wifi = g_supplicant_interface_get_data(g_iface);
3414                 if (!g_wifi)
3415                         return;
3416
3417                 connman_peer_set_as_master(connman_peer,
3418                                         !g_supplicant_peer_is_client(peer));
3419                 connman_peer_set_sub_device(connman_peer, g_wifi->device);
3420         }
3421
3422         connman_peer_set_state(connman_peer, p_state);
3423 }
3424
3425 static void peer_request(GSupplicantPeer *peer)
3426 {
3427         GSupplicantInterface *iface = g_supplicant_peer_get_interface(peer);
3428         struct wifi_data *wifi = g_supplicant_interface_get_data(iface);
3429         struct connman_peer *connman_peer;
3430         const char *identifier;
3431
3432         identifier = g_supplicant_peer_get_identifier(peer);
3433
3434         DBG("ident: %s", identifier);
3435
3436         connman_peer = connman_peer_get(wifi->device, identifier);
3437         if (!connman_peer)
3438                 return;
3439
3440         connman_peer_request_connection(connman_peer);
3441 }
3442
3443 #if defined TIZEN_EXT
3444 static void system_power_off(void)
3445 {
3446         GList *list;
3447         struct wifi_data *wifi;
3448         struct connman_service *service;
3449         struct connman_ipconfig *ipconfig_ipv4;
3450
3451         if (connman_setting_get_bool("WiFiDHCPRelease") == true) {
3452                 for (list = iface_list; list; list = list->next) {
3453                         wifi = list->data;
3454
3455                         if (wifi->network != NULL) {
3456                                 service = connman_service_lookup_from_network(wifi->network);
3457                                 ipconfig_ipv4 = __connman_service_get_ip4config(service);
3458                                 __connman_dhcp_stop(ipconfig_ipv4);
3459                         }
3460                 }
3461         }
3462 }
3463
3464 static void network_merged(GSupplicantNetwork *network)
3465 {
3466         GSupplicantInterface *interface;
3467         GSupplicantState state;
3468         struct wifi_data *wifi;
3469         const char *identifier;
3470         struct connman_network *connman_network;
3471         unsigned int ishs20AP = 0;
3472         char *temp = NULL;
3473
3474         interface = g_supplicant_network_get_interface(network);
3475         if (!interface)
3476                 return;
3477
3478         state = g_supplicant_interface_get_state(interface);
3479         if (state < G_SUPPLICANT_STATE_AUTHENTICATING)
3480                 return;
3481
3482         wifi = g_supplicant_interface_get_data(interface);
3483         if (!wifi)
3484                 return;
3485
3486         identifier = g_supplicant_network_get_identifier(network);
3487
3488         connman_network = connman_device_get_network(wifi->device, identifier);
3489         if (!connman_network)
3490                 return;
3491
3492         DBG("merged identifier %s", identifier);
3493
3494         if (wifi->connected == FALSE) {
3495                 switch (state) {
3496                 case G_SUPPLICANT_STATE_AUTHENTICATING:
3497                 case G_SUPPLICANT_STATE_ASSOCIATING:
3498                 case G_SUPPLICANT_STATE_ASSOCIATED:
3499                 case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
3500                 case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
3501                         connman_network_set_associating(connman_network, TRUE);
3502                         break;
3503                 case G_SUPPLICANT_STATE_COMPLETED:
3504                         connman_network_set_connected(connman_network, TRUE);
3505                         break;
3506                 default:
3507                         DBG("Not handled the state : %d", state);
3508                         break;
3509                 }
3510         }
3511
3512         ishs20AP = g_supplicant_network_is_hs20AP(network);
3513         connman_network_set_is_hs20AP(connman_network, ishs20AP);
3514
3515         if (ishs20AP &&
3516                 g_strcmp0(g_supplicant_network_get_security(network), "ieee8021x") == 0) {
3517                 temp = g_ascii_strdown(g_supplicant_network_get_eap(network), -1);
3518                 connman_network_set_string(connman_network, "WiFi.EAP",
3519                                 temp);
3520                 connman_network_set_string(connman_network, "WiFi.Identity",
3521                                 g_supplicant_network_get_identity(network));
3522                 connman_network_set_string(connman_network, "WiFi.Phase2",
3523                                 g_supplicant_network_get_phase2(network));
3524
3525                 g_free(temp);
3526         }
3527
3528         wifi->network = connman_network;
3529 }
3530 #endif
3531
3532 static void debug(const char *str)
3533 {
3534         if (getenv("CONNMAN_SUPPLICANT_DEBUG"))
3535                 connman_debug("%s", str);
3536 }
3537
3538 static void disconnect_reasoncode(GSupplicantInterface *interface,
3539                                 int reasoncode)
3540 {
3541         struct wifi_data *wifi = g_supplicant_interface_get_data(interface);
3542
3543         if (wifi != NULL) {
3544                 wifi->disconnect_code = reasoncode;
3545         }
3546 }
3547
3548
3549 static const GSupplicantCallbacks callbacks = {
3550         .system_ready           = system_ready,
3551         .system_killed          = system_killed,
3552         .interface_added        = interface_added,
3553         .interface_state        = interface_state,
3554         .interface_removed      = interface_removed,
3555         .p2p_support            = p2p_support,
3556         .scan_started           = scan_started,
3557         .scan_finished          = scan_finished,
3558         .network_added          = network_added,
3559         .network_removed        = network_removed,
3560         .network_changed        = network_changed,
3561         .add_station            = add_station,
3562         .remove_station         = remove_station,
3563         .peer_found             = peer_found,
3564         .peer_lost              = peer_lost,
3565         .peer_changed           = peer_changed,
3566         .peer_request           = peer_request,
3567 #if defined TIZEN_EXT
3568         .system_power_off       = system_power_off,
3569         .network_merged = network_merged,
3570 #endif
3571         .disconnect_reasoncode  = disconnect_reasoncode,
3572         .debug                  = debug,
3573 };
3574
3575
3576 static int tech_probe(struct connman_technology *technology)
3577 {
3578         wifi_technology = technology;
3579
3580         return 0;
3581 }
3582
3583 static void tech_remove(struct connman_technology *technology)
3584 {
3585         wifi_technology = NULL;
3586 }
3587
3588 struct wifi_tethering_info {
3589         struct wifi_data *wifi;
3590         struct connman_technology *technology;
3591         char *ifname;
3592         GSupplicantSSID *ssid;
3593 };
3594
3595 static GSupplicantSSID *ssid_ap_init(const char *ssid,
3596                 const char *passphrase, bool hidden)
3597 {
3598         GSupplicantSSID *ap;
3599
3600         ap = g_try_malloc0(sizeof(GSupplicantSSID));
3601         if (!ap)
3602                 return NULL;
3603
3604         ap->mode = G_SUPPLICANT_MODE_MASTER;
3605         ap->ssid = ssid;
3606         ap->ssid_len = strlen(ssid);
3607         ap->scan_ssid = 0;
3608         ap->freq = 2412;
3609
3610         if (!passphrase || strlen(passphrase) == 0) {
3611                 ap->security = G_SUPPLICANT_SECURITY_NONE;
3612                 ap->passphrase = NULL;
3613         } else {
3614                ap->security = G_SUPPLICANT_SECURITY_PSK;
3615                ap->protocol = G_SUPPLICANT_PROTO_RSN;
3616                ap->pairwise_cipher = G_SUPPLICANT_PAIRWISE_CCMP;
3617                ap->group_cipher = G_SUPPLICANT_GROUP_CCMP;
3618                ap->passphrase = passphrase;
3619         }
3620
3621         if (hidden)
3622                 ap->ignore_broadcast_ssid =
3623                                 G_SUPPLICANT_AP_HIDDEN_SSID_ZERO_CONTENTS;
3624         else
3625                 ap->ignore_broadcast_ssid = G_SUPPLICANT_AP_NO_SSID_HIDING;
3626
3627         return ap;
3628 }
3629
3630 static void ap_start_callback(int result, GSupplicantInterface *interface,
3631                                                         void *user_data)
3632 {
3633         struct wifi_tethering_info *info = user_data;
3634
3635         DBG("result %d index %d bridge %s",
3636                 result, info->wifi->index, info->wifi->bridge);
3637
3638         if (result < 0) {
3639                 connman_inet_remove_from_bridge(info->wifi->index,
3640                                                         info->wifi->bridge);
3641                 connman_technology_tethering_notify(info->technology, false);
3642         }
3643
3644         g_free(info->ifname);
3645         g_free(info);
3646 }
3647
3648 static void ap_create_callback(int result,
3649                                 GSupplicantInterface *interface,
3650                                         void *user_data)
3651 {
3652         struct wifi_tethering_info *info = user_data;
3653
3654         DBG("result %d ifname %s", result,
3655                                 g_supplicant_interface_get_ifname(interface));
3656
3657         if (result < 0) {
3658                 connman_inet_remove_from_bridge(info->wifi->index,
3659                                                         info->wifi->bridge);
3660                 connman_technology_tethering_notify(info->technology, false);
3661
3662                 g_free(info->ifname);
3663                 g_free(info->ssid);
3664                 g_free(info);
3665                 return;
3666         }
3667
3668         info->wifi->interface = interface;
3669         g_supplicant_interface_set_data(interface, info->wifi);
3670
3671         if (g_supplicant_interface_set_apscan(interface, 2) < 0)
3672                 connman_error("Failed to set interface ap_scan property");
3673
3674         g_supplicant_interface_connect(interface, info->ssid,
3675                                                 ap_start_callback, info);
3676 }
3677
3678 static void sta_remove_callback(int result,
3679                                 GSupplicantInterface *interface,
3680                                         void *user_data)
3681 {
3682         struct wifi_tethering_info *info = user_data;
3683         const char *driver = connman_option_get_string("wifi");
3684
3685         DBG("ifname %s result %d ", info->ifname, result);
3686
3687         if (result < 0) {
3688                 info->wifi->tethering = true;
3689
3690                 g_free(info->ifname);
3691                 g_free(info->ssid);
3692                 g_free(info);
3693                 return;
3694         }
3695
3696         info->wifi->interface = NULL;
3697
3698         connman_technology_tethering_notify(info->technology, true);
3699
3700         g_supplicant_interface_create(info->ifname, driver, info->wifi->bridge,
3701                                                 ap_create_callback,
3702                                                         info);
3703 }
3704
3705 static int tech_set_tethering(struct connman_technology *technology,
3706                                 const char *identifier, const char *passphrase,
3707                                 const char *bridge, bool enabled, bool hidden)
3708 {
3709         GList *list;
3710         GSupplicantInterface *interface;
3711         struct wifi_data *wifi;
3712         struct wifi_tethering_info *info;
3713         const char *ifname;
3714         unsigned int mode;
3715         int err;
3716
3717         DBG("");
3718
3719         if (!enabled) {
3720                 for (list = iface_list; list; list = list->next) {
3721                         wifi = list->data;
3722
3723                         if (wifi->tethering) {
3724                                 wifi->tethering = false;
3725
3726                                 connman_inet_remove_from_bridge(wifi->index,
3727                                                                         bridge);
3728                                 wifi->bridged = false;
3729                         }
3730                 }
3731
3732                 connman_technology_tethering_notify(technology, false);
3733
3734                 return 0;
3735         }
3736
3737         for (list = iface_list; list; list = list->next) {
3738                 wifi = list->data;
3739
3740                 interface = wifi->interface;
3741
3742                 if (!interface)
3743                         continue;
3744
3745                 ifname = g_supplicant_interface_get_ifname(wifi->interface);
3746
3747                 mode = g_supplicant_interface_get_mode(interface);
3748                 if ((mode & G_SUPPLICANT_CAPABILITY_MODE_AP) == 0) {
3749                         DBG("%s does not support AP mode", ifname);
3750                         continue;
3751                 }
3752
3753                 info = g_try_malloc0(sizeof(struct wifi_tethering_info));
3754                 if (!info)
3755                         return -ENOMEM;
3756
3757                 info->wifi = wifi;
3758                 info->technology = technology;
3759                 info->wifi->bridge = bridge;
3760                 info->ssid = ssid_ap_init(identifier, passphrase, hidden);
3761                 if (!info->ssid) {
3762                         g_free(info);
3763                         continue;
3764                 }
3765                 info->ifname = g_strdup(ifname);
3766                 if (!info->ifname) {
3767                         g_free(info->ssid);
3768                         g_free(info);
3769                         continue;
3770                 }
3771
3772                 info->wifi->tethering = true;
3773
3774                 err = g_supplicant_interface_remove(interface,
3775                                                 sta_remove_callback,
3776                                                         info);
3777                 if (err == 0)
3778                         return err;
3779         }
3780
3781         return -EOPNOTSUPP;
3782 }
3783
3784 static void regdom_callback(int result, const char *alpha2, void *user_data)
3785 {
3786         DBG("");
3787
3788         if (!wifi_technology)
3789                 return;
3790
3791         if (result != 0)
3792                 alpha2 = NULL;
3793
3794         connman_technology_regdom_notify(wifi_technology, alpha2);
3795 }
3796
3797 static int tech_set_regdom(struct connman_technology *technology, const char *alpha2)
3798 {
3799         return g_supplicant_set_country(alpha2, regdom_callback, NULL);
3800 }
3801
3802 static struct connman_technology_driver tech_driver = {
3803         .name           = "wifi",
3804         .type           = CONNMAN_SERVICE_TYPE_WIFI,
3805         .probe          = tech_probe,
3806         .remove         = tech_remove,
3807         .set_tethering  = tech_set_tethering,
3808         .set_regdom     = tech_set_regdom,
3809 };
3810
3811 static int wifi_init(void)
3812 {
3813         int err;
3814
3815         err = connman_network_driver_register(&network_driver);
3816         if (err < 0)
3817                 return err;
3818
3819         err = g_supplicant_register(&callbacks);
3820         if (err < 0) {
3821                 connman_network_driver_unregister(&network_driver);
3822                 return err;
3823         }
3824
3825         err = connman_technology_driver_register(&tech_driver);
3826         if (err < 0) {
3827                 g_supplicant_unregister(&callbacks);
3828                 connman_network_driver_unregister(&network_driver);
3829                 return err;
3830         }
3831
3832         return 0;
3833 }
3834
3835 static void wifi_exit(void)
3836 {
3837         DBG();
3838
3839         connman_technology_driver_unregister(&tech_driver);
3840
3841         g_supplicant_unregister(&callbacks);
3842
3843         connman_network_driver_unregister(&network_driver);
3844 }
3845
3846 CONNMAN_PLUGIN_DEFINE(wifi, "WiFi interface plugin", VERSION,
3847                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, wifi_init, wifi_exit)