plugins/wifi.c

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