src/wifi-power.c

   1 /*
   2  * Network Configuration Module
   3  *
   4  * Copyright (c) 2000 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include <errno.h>
  21 #include <vconf.h>
  22 #include <vconf-keys.h>
  23 #include <ITapiSim.h>
  24 #include <TapiUtility.h>
  25 #include <stdio.h>
  26
  27 #if defined TIZEN_P2P_ENABLE && !defined WLAN_CONCURRENT_MODE
  28 #include <wifi-direct.h>
  29 #endif
  30
  31 #include "log.h"
  32 #include "util.h"
  33 #include "netdbus.h"
  34 #include "neterror.h"
  35 #include "wifi-wps.h"
  36 #include "wifi-power.h"
  37 #include "wifi-state.h"
  38 #include "wifi-tel-intf.h"
  39 #include "netsupplicant.h"
  40 #include "network-state.h"
  41 #include "wifi-firmware.h"
  42 #include "wifi-background-scan.h"
  43
  44
  45 #define WLAN_SUPPLICANT_SCRIPT          "/usr/sbin/wpa_supp.sh"
  46 #define P2P_SUPPLICANT_SCRIPT           "/usr/sbin/p2p_supp.sh"
  47
  48 #if defined TIZEN_WEARABLE
  49 #include <weconn.h>
  50 static weconn_h weconn_handle = NULL;
  51 #endif
  52
  53 #define VCONF_WIFI_OFF_STATE_BY_AIRPLANE        "file/private/wifi/wifi_off_by_airplane"
  54 #define VCONF_WIFI_OFF_STATE_BY_RESTRICTED      "file/private/wifi/wifi_off_by_restricted"
  55 #define VCONF_WIFI_OFF_STATE_BY_EMERGENCY       "file/private/wifi/wifi_off_by_emergency"
  56 #if defined TIZEN_WEARABLE
  57 #define VCONF_WIFI_WEARABLE_WIFI_USE                    "db/private/wifi/wearable_wifi_use"
  58 #endif
  59 #if !defined TIZEN_WEARABLE
  60 #define VCONFKEY_SETAPPL_NETWORK_PERMIT_WITH_LCD_OFF_LIMIT      "db/setting/network_with_lcd_off_limit"
  61 #endif
  62
  63 #define WLAN_MAC_INFO               "/opt/etc/.mac.info"
  64 #define WLAN_MAC_ADDR_MAX           20
  65 #define VCONF_WIFI_BSSID_ADDRESS        "db/wifi/bssid_address"
  66
  67 #if defined TIZEN_TV
  68 #define ETH_MAC_ADDR_SIZE 6
  69 #define VCONF_ETH_MAC_ADDRESS  "db/dnet/mac_address"
  70 #define NET_EXEC_PATH "/sbin/ifconfig"
  71 #define OS_RANDOM_FILE "/dev/urandom"
  72 #endif
  73
  74 static gboolean connman_wifi_technology_state = FALSE;
  75 static gboolean wifi_firmware_recovery_mode = FALSE;
  76 static int airplane_mode = 0;
  77
  78 #if defined TIZEN_WEARABLE
  79 static int psmode_wifi_use = 1;
  80 #endif
  81
  82 static gboolean __is_wifi_restricted(void)
  83 {
  84 #if defined TIZEN_WEARABLE
  85         return FALSE;
  86 #endif
  87         int restricted_mode = 0;
  88
  89         vconf_get_bool(VCONFKEY_SETAPPL_NETWORK_RESTRICT_MODE, &restricted_mode);
  90         if (restricted_mode != 0) {
  91                 DBG("network restricted mode[%d]", restricted_mode);
  92                 return TRUE;
  93         }
  94
  95         return FALSE;
  96 }
  97
  98 static void __technology_reply(GObject *source_object, GAsyncResult *res, gpointer user_data)
  99 {
 100         GVariant *reply;
 101         GDBusConnection *conn = NULL;
 102         GError *error = NULL;
 103
 104         conn = G_DBUS_CONNECTION (source_object);
 105         reply = g_dbus_connection_call_finish(conn, res, &error);
 106
 107         if (reply == NULL) {
 108                 if (error != NULL) {
 109                         if (g_strcmp0(error->message, CONNMAN_ERROR_INTERFACE ".AlreadyEnabled") == 0) {
 110                                 wifi_state_update_power_state(TRUE);
 111                         } else if (g_strcmp0(error->message, CONNMAN_ERROR_INTERFACE ".AlreadyDisabled") == 0) {
 112                                 wifi_state_update_power_state(FALSE);
 113                         } else {
 114                                 ERR("Fail to request status [%d: %s]", error->code, error->message);
 115                         }
 116                         g_error_free(error);
 117                 } else {
 118                         ERR("Fail torequest status");
 119                 }
 120         } else {
 121                 DBG("Successfully requested");
 122         }
 123
 124         g_variant_unref(reply);
 125         netconfig_gdbus_pending_call_unref();
 126 }
 127
 128 static int __execute_supplicant(gboolean enable)
 129 {
 130         int rv = 0;
 131         const char *path = WLAN_SUPPLICANT_SCRIPT;
 132         char *const args_enable[] = { "/usr/sbin/wpa_supp.sh", "start", NULL };
 133         char *const args_disable[] = { "/usr/sbin/wpa_supp.sh", "stop", NULL };
 134         char *const envs[] = { NULL };
 135         static gboolean enabled = FALSE;
 136
 137         if (enabled == enable)
 138                 return -EALREADY;
 139
 140         if (enable == TRUE)
 141                 rv = netconfig_execute_file(path, args_enable, envs);
 142         else
 143                 rv = netconfig_execute_file(path, args_disable, envs);
 144         if (rv < 0)
 145                 return -EIO;
 146
 147         DBG("wpa_supplicant %s", enable == TRUE ? "started" : "stopped");
 148
 149         enabled = enable;
 150
 151         return 0;
 152 }
 153
 154 #if defined TIZEN_P2P_ENABLE && defined WLAN_CONCURRENT_MODE
 155 static int __netconfig_p2p_supplicant(gboolean enable)
 156 {
 157         int rv = 0;
 158         const char *path = P2P_SUPPLICANT_SCRIPT;
 159         char *const args_enable[] = { P2P_SUPPLICANT_SCRIPT, "start", NULL };
 160         char *const args_disable[] = { P2P_SUPPLICANT_SCRIPT, "stop", NULL };
 161         char *const envs[] = { NULL };
 162
 163         if (enable == TRUE)
 164                 rv = netconfig_execute_file(path, args_enable, envs);
 165         else
 166                 rv = netconfig_execute_file(path, args_disable, envs);
 167         if (rv < 0)
 168                 return -EIO;
 169
 170         DBG("p2p_supplicant %s", enable == TRUE ? "started" : "stopped");
 171
 172         return 0;
 173 }
 174 #endif
 175
 176 void netconfig_wifi_recover_firmware(void)
 177 {
 178         wifi_firmware_recovery_mode = TRUE;
 179
 180         netconfig_wifi_bgscan_stop();
 181
 182         wifi_power_off();
 183 }
 184
 185 #if defined TIZEN_P2P_ENABLE && !defined WLAN_CONCURRENT_MODE
 186 static void __netconfig_wifi_direct_state_cb(int error_code, wifi_direct_device_state_e device_state, void *user_data)
 187 {
 188         int err;
 189
 190         wifi_direct_unset_device_state_changed_cb();
 191         wifi_direct_deinitialize();
 192
 193         if (device_state == WIFI_DIRECT_DEVICE_STATE_DEACTIVATED) {
 194                 err = wifi_power_on();
 195                 if (err < 0) {
 196                         if (err == -EALREADY)
 197                                 wifi_state_update_power_state(TRUE);
 198                         else
 199                                 wifi_state_emit_power_failed();
 200                 }
 201         }
 202 }
 203
 204 static gboolean __netconfig_wifi_direct_power_off(void)
 205 {
 206         DBG("Wi-Fi direct is turning off");
 207
 208         if (wifi_direct_initialize() < 0)
 209                 return FALSE;
 210
 211         if (wifi_direct_set_device_state_changed_cb(__netconfig_wifi_direct_state_cb, NULL) < 0)
 212                 return FALSE;
 213
 214         if (wifi_direct_deactivate() < 0)
 215                 return FALSE;
 216
 217         return TRUE;
 218 }
 219 #endif
 220
 221 static int _load_driver_and_supplicant(void)
 222 {
 223         int err = 0;
 224         wifi_tech_state_e tech_state;
 225
 226         tech_state = wifi_state_get_technology_state();
 227         if (tech_state > NETCONFIG_WIFI_TECH_OFF)
 228                 return -EALREADY;
 229
 230         err = __execute_supplicant(TRUE);
 231         if (err < 0 && err != -EALREADY)
 232                 return err;
 233
 234         err = netconfig_wifi_firmware(NETCONFIG_WIFI_STA, TRUE);
 235         if (err < 0 && err != -EALREADY) {
 236                 __execute_supplicant(FALSE);
 237                 return err;
 238         }
 239
 240         wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_WPS_ONLY);
 241
 242         return 0;
 243 }
 244
 245 static int _remove_driver_and_supplicant(void)
 246 {
 247         int err = 0;
 248
 249         if (wifi_firmware_recovery_mode != TRUE &&
 250                                         netconfig_wifi_is_wps_enabled() == TRUE) {
 251                 DBG("Wi-Fi WPS mode");
 252                 return 0;
 253         }
 254
 255         err = netconfig_wifi_firmware(NETCONFIG_WIFI_STA, FALSE);
 256         if (err < 0 && err != -EALREADY)
 257                 return err;
 258
 259         err = __execute_supplicant(FALSE);
 260         if (err < 0 && err != -EALREADY)
 261                 return err;
 262
 263         wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_OFF);
 264
 265         if (wifi_firmware_recovery_mode == TRUE) {
 266                 if (wifi_power_on() < 0)
 267                         ERR("Failed to recover Wi-Fi firmware");
 268
 269                 wifi_firmware_recovery_mode = FALSE;
 270         }
 271
 272         return 0;
 273 }
 274
 275 static int _set_connman_technology_power(gboolean enable)
 276 {
 277         gboolean reply = FALSE;
 278         GVariant *param0 = NULL;
 279         GVariant *params = NULL;
 280         char key[] = "Powered";
 281         gboolean value_enable = TRUE;
 282         gboolean value_disable = FALSE;
 283
 284         if (connman_wifi_technology_state == enable)
 285                 return -EALREADY;
 286
 287         if (enable == TRUE)
 288                 param0 = g_variant_new_boolean(value_enable);
 289         else
 290                 param0 = g_variant_new_boolean(value_disable);
 291
 292         params = g_variant_new("(sv)",key, param0);
 293
 294         reply = netconfig_invoke_dbus_method_nonblock(CONNMAN_SERVICE,
 295                         CONNMAN_WIFI_TECHNOLOGY_PREFIX, CONNMAN_TECHNOLOGY_INTERFACE,
 296                         "SetProperty", params, __technology_reply);
 297
 298         if (reply != TRUE) {
 299                 ERR("Fail to set technology %s", enable == TRUE ? "enable" : "disable");
 300                 return -ESRCH;
 301         }
 302
 303         /* If Wi-Fi powered off,
 304          * Do not remove Wi-Fi driver until ConnMan technology state updated
 305          */
 306         if (enable == TRUE)
 307                 connman_wifi_technology_state = enable;
 308
 309         /* To be keep safe, early disable Wi-Fi tech state */
 310         if (enable != TRUE)
 311                 wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_WPS_ONLY);
 312
 313         return 0;
 314 }
 315
 316 static void __netconfig_set_wifi_bssid(void)
 317 {
 318         int rv = 0;
 319         char bssid[WLAN_MAC_ADDR_MAX];
 320
 321         FILE *fp = fopen(WLAN_MAC_INFO, "r");
 322
 323         if (fp == NULL) {
 324                 ERR("Fail to open file");
 325                 return;
 326         }
 327
 328         fseek(fp, 0L, SEEK_SET);
 329         rv = fscanf(fp, "%17s", bssid);
 330
 331         if (rv < 0)
 332                 ERR("Fail to read bssid");
 333
 334         netconfig_set_vconf_str(VCONF_WIFI_BSSID_ADDRESS, bssid);
 335
 336         fclose(fp);
 337 }
 338
 339 int netconfig_wifi_driver_and_supplicant(gboolean enable)
 340 {
 341         /* There are 3 thumb rules for Wi-Fi power management
 342          *   1. Do not make exposed API to control wpa_supplicant and driver directly.
 343          *      It probably breaks ConnMan technology operation.
 344          *
 345          *   2. Do not remove driver and wpa_supplicant if ConnMan already enabled.
 346          *      It breaks ConnMan technology operation.
 347          *
 348          *   3. Final the best rule: make it as simple as possible.
 349          *      Simple code enables easy maintenance and reduces logical errors.
 350          */
 351         if (enable == TRUE)
 352                 return _load_driver_and_supplicant();
 353         else {
 354                 if (connman_wifi_technology_state == TRUE)
 355                         return -ENOSYS;
 356
 357                 return _load_driver_and_supplicant();
 358         }
 359 }
 360
 361 void netconfig_wifi_disable_technology_state_by_only_connman_signal(void)
 362 {
 363         /* Important: it's only done by ConnMan technology signal update */
 364         connman_wifi_technology_state = FALSE;
 365 }
 366
 367 int netconfig_wifi_on(void)
 368 {
 369         int err = 0;
 370         wifi_tech_state_e wifi_tech_state;
 371
 372         wifi_tech_state = wifi_state_get_technology_state();
 373         if (wifi_tech_state >= NETCONFIG_WIFI_TECH_POWERED)
 374                 return -EALREADY;
 375
 376         if (__is_wifi_restricted() == TRUE)
 377                 return -EPERM;
 378
 379         if (netconfig_is_wifi_tethering_on() == TRUE) {
 380                 /* TODO: Wi-Fi tethering turns off here */
 381                 /* return TRUE; */
 382                 ERR("Failed to turn tethering off");
 383                 return -EBUSY;
 384         }
 385
 386 #if defined TIZEN_P2P_ENABLE && !defined WLAN_CONCURRENT_MODE
 387         if (netconfig_is_wifi_direct_on() == TRUE) {
 388                 if (__netconfig_wifi_direct_power_off() == TRUE)
 389                         return -EINPROGRESS;
 390                 else {
 391                         ERR("Failed to turn Wi-Fi direct off");
 392                         return -EBUSY;
 393                 }
 394         }
 395 #endif
 396
 397         err = wifi_power_driver_and_supplicant(TRUE);
 398         if (err < 0 && err != -EALREADY)
 399                 return err;
 400
 401         err = _set_connman_technology_power(TRUE);
 402
 403         __netconfig_set_wifi_bssid();
 404
 405         return err;
 406 }
 407
 408 int netconfig_wifi_off(void)
 409 {
 410         int err;
 411
 412 #if defined TIZEN_P2P_ENABLE && defined WLAN_CONCURRENT_MODE
 413         __netconfig_p2p_supplicant(FALSE);
 414 #endif
 415
 416         err = _set_connman_technology_power(FALSE);
 417         if (err == -EALREADY)
 418                 wifi_state_update_power_state(FALSE);
 419
 420         return 0;
 421 }
 422
 423 #if defined TIZEN_WEARABLE
 424 int netconfig_wifi_on_wearable(gboolean device_picker_test)
 425 {
 426         int err = 0;
 427         int wifi_use;
 428         int ps_mode;
 429         enum netconfig_wifi_tech_state wifi_tech_state;
 430         weconn_service_state_e weconn_state;
 431
 432         wifi_tech_state = wifi_state_get_technology_state();
 433         if (wifi_tech_state >= NETCONFIG_WIFI_TECH_POWERED)
 434                 return -EALREADY;
 435
 436         err = weconn_get_service_state(weconn_handle, W_SERVICE_TYPE_BT,
 437                         &weconn_state);
 438         if (err == 0 && weconn_state == W_SERVICE_STATE_CONNECTED) {
 439                 WARN("Not permitted Wi-Fi on");
 440                 return -EPERM;
 441         }
 442
 443         if (vconf_get_int(VCONF_WIFI_WEARABLE_WIFI_USE, &wifi_use) < 0) {
 444                 ERR("Fail to get VCONF_WIFI_WEARABLE_WIFI_USE");
 445                 return -EIO;
 446         }
 447
 448         if (wifi_use > 0) {
 449                 if (vconf_get_int(VCONFKEY_SETAPPL_PSMODE, &ps_mode) < 0) {
 450                         ERR("Fail to get VCONFKEY_SETAPPL_PSMODE");
 451                         return -EIO;
 452                 }
 453
 454                 if (ps_mode > SETTING_PSMODE_NORMAL) {
 455                         WARN("ps mode is on(%d), Not turn on Wi-Fi", ps_mode);
 456                         return -EPERM;
 457                 }
 458         } else {
 459                 WARN("Not permitted Wi-Fi on");
 460                 return -EPERM;
 461         }
 462
 463         err = wifi_power_driver_and_supplicant(TRUE);
 464         if (err < 0 && err != -EALREADY)
 465                 return err;
 466
 467         err = _set_connman_technology_power(TRUE);
 468
 469         if (device_picker_test == TRUE)
 470                 netconfig_wifi_enable_device_picker_test();
 471
 472         return err;
 473 }
 474
 475 static void __weconn_service_state_changed_cb(weconn_service_state_e state, void *user_data)
 476 {
 477         if (state == W_SERVICE_STATE_CONNECTED) {
 478                 DBG("SAP is connected");
 479                 if (wifi_state > VCONFKEY_WIFI_OFF)
 480                         wifi_power_off();
 481         } else if (state == W_SERVICE_STATE_DISCONNECTED) {
 482                 DBG("SAP is disconnected");
 483                 wifi_power_on_wearable(FALSE);
 484         }
 485 }
 486
 487 static int _weconn_set_state_changed_cb(int service_type, void *user_data)
 488 {
 489         int ret;
 490
 491         if (weconn_handle) {
 492                 weconn_destroy(weconn_handle);
 493                 weconn_handle = NULL;
 494         }
 495
 496         ret = weconn_create(&weconn_handle);
 497         if (ret < 0) {
 498                 ERR("Failed weconn_create(%d)", ret);
 499                 return -1;
 500         }
 501
 502         ret = weconn_set_service_state_change_cb(weconn_handle, __weconn_service_state_changed_cb, service_type, user_data);
 503         if (ret < 0) {
 504                 ERR("Failed weconn_set_service_state_change_cb(%d)", ret);
 505                 return -1;
 506         }
 507
 508         return 0;
 509 }
 510
 511 static void __wearable_wifi_use_changed_cb(keynode_t* node, void* user_data)
 512 {
 513         int wifi_state;
 514         int wifi_use = 1;
 515         gboolean wifi_restrict = FALSE;
 516
 517         if (vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state) < 0) {
 518                 ERR("Fail to get VCONFKEY_WIFI_STATE");
 519                 return;
 520         }
 521
 522         if (node != NULL)
 523                 wifi_use = vconf_keynode_get_int(node);
 524         else
 525                 vconf_get_int(VCONF_WIFI_WEARABLE_WIFI_USE, &wifi_use);
 526
 527         if (wifi_use > 0) {
 528                 DBG("wifi use on");
 529                 if (wifi_state > VCONFKEY_WIFI_OFF) {
 530                         WARN("Wi-Fi is already turned on");
 531                         return;
 532                 }
 533
 534                 wifi_restrict = netconfig_is_wifi_allowed();
 535                 if (wifi_restrict == FALSE) {
 536                         DBG("launch wifi restrict popup");
 537                         netconfig_set_vconf_int(VCONF_WIFI_WEARABLE_WIFI_USE, 0);
 538                         wc_launch_syspopup(WC_POPUP_TYPE_WIFI_RESTRICT);
 539                 } else {
 540                         wifi_power_on_wearable(TRUE);
 541                 }
 542         } else {
 543                 ERR("## wifi use [OFF]");
 544                 if (wifi_state == VCONFKEY_WIFI_OFF) {
 545                         WARN("Wi-Fi is already turned off");
 546                         return;
 547                 }
 548
 549                 wifi_power_off();
 550         }
 551 }
 552
 553 #if defined TIZEN_TELEPHONY_ENABLE
 554 static void __netconfig_wifi_wearable_airplane_mode(keynode_t *node,
 555                 void *user_data)
 556 {
 557         int wifi_use = 0, airplane_state = 0;
 558         int wifi_use_off_by_airplane = 0;
 559
 560         vconf_get_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE,
 561                         &wifi_use_off_by_airplane);
 562
 563         vconf_get_int(VCONF_WIFI_WEARABLE_WIFI_USE, &wifi_use);
 564
 565         if (node != NULL)
 566                 airplane_state = vconf_keynode_get_bool(node);
 567         else
 568                 vconf_get_bool(VCONFKEY_TELEPHONY_FLIGHT_MODE, &airplane_state);
 569
 570         DBG("airplane mode %s (prev:%d)", airplane_state > 0 ? "ON" : "OFF", airplane_mode);
 571         DBG("Wi-Fi use %d, Wi-Fi was off by flight mode %s", wifi_use,
 572                         wifi_use_off_by_airplane ? "Yes" : "No");
 573
 574         if (airplane_mode == airplane_state)
 575                 return ;
 576
 577         airplane_mode = airplane_state;
 578
 579         if (airplane_state > 0) {
 580                 /* airplane mode on */
 581                 if (wifi_use == 0)
 582                         return;
 583
 584                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 1);
 585                 netconfig_set_vconf_int(VCONF_WIFI_WEARABLE_WIFI_USE, 0);
 586
 587         } else {
 588                 /* airplane mode off */
 589                 if (!wifi_use_off_by_airplane)
 590                         return;
 591
 592                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 0);
 593                 netconfig_set_vconf_int(VCONF_WIFI_WEARABLE_WIFI_USE, 1);
 594         }
 595 }
 596 #endif
 597 #else
 598 #if defined TIZEN_TELEPHONY_ENABLE
 599 static void __netconfig_wifi_airplane_mode(keynode_t *node, void *user_data)
 600 {
 601         int wifi_state = 0, airplane_state = 0;
 602         int wifi_off_by_airplane = 0;
 603
 604         vconf_get_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, &wifi_off_by_airplane);
 605
 606         vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state);
 607
 608         if (node != NULL)
 609                 airplane_state = vconf_keynode_get_bool(node);
 610         else
 611                 vconf_get_bool(VCONFKEY_TELEPHONY_FLIGHT_MODE, &airplane_state);
 612
 613         DBG("airplane mode %s (prev:%d)", airplane_state > 0 ? "ON" : "OFF", airplane_mode);
 614         DBG("Wi-Fi state %d, Wi-Fi was off by flight mode %s", wifi_state,
 615                         wifi_off_by_airplane ? "Yes" : "No");
 616
 617         if (airplane_mode == airplane_state)
 618                 return ;
 619
 620         airplane_mode = airplane_state;
 621
 622         if (airplane_state > 0) {
 623                 /* airplane mode on */
 624                 if (wifi_state == VCONFKEY_WIFI_OFF)
 625                         return;
 626
 627                 wifi_power_off();
 628
 629                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 1);
 630         } else {
 631                 /* airplane mode off */
 632                 if (!wifi_off_by_airplane)
 633                         return;
 634
 635                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 0);
 636
 637                 if (wifi_state > VCONFKEY_WIFI_OFF)
 638                         return;
 639
 640                 wifi_power_on();
 641         }
 642 }
 643 #endif
 644
 645 static void __netconfig_wifi_restrict_mode(keynode_t *node, void *user_data)
 646 {
 647         int wifi_state = 0, restricted = 0;
 648         int wifi_off_by_restricted = 0;
 649
 650         vconf_get_int(VCONF_WIFI_OFF_STATE_BY_RESTRICTED, &wifi_off_by_restricted);
 651
 652         vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state);
 653
 654         if (node != NULL)
 655                 restricted = vconf_keynode_get_bool(node);
 656         else
 657                 vconf_get_bool(VCONFKEY_SETAPPL_NETWORK_RESTRICT_MODE, &restricted);
 658
 659         DBG("network restricted mode %s", restricted > 0 ? "ON" : "OFF");
 660         DBG("Wi-Fi state %d, Wi-Fi was off by restricted mode %s", wifi_state,
 661                         wifi_off_by_restricted ? "Yes" : "No");
 662
 663         if (restricted > 0) {
 664                 /* network restricted on */
 665                 if (wifi_state == VCONFKEY_WIFI_OFF)
 666                         return;
 667
 668                 wifi_power_off();
 669
 670                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_RESTRICTED, 1);
 671         } else {
 672                 /* network restricted off */
 673                 if (!wifi_off_by_restricted)
 674                         return;
 675
 676                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_RESTRICTED, 0);
 677
 678                 if (wifi_state > VCONFKEY_WIFI_OFF)
 679                         return;
 680
 681                 wifi_power_on();
 682         }
 683 }
 684 #endif
 685
 686 static void __emergency_mode_changed_cb(keynode_t *node, void *user_data)
 687 {
 688         int wifi_state = 0, emergency = 0;
 689         int wifi_off_by_emergency = 0;
 690 #if !defined TIZEN_WEARABLE
 691         int emergency_by_fmm = 0;
 692 #endif
 693 #if defined TIZEN_WEARABLE
 694         int wifi_use = 1;
 695 #endif
 696
 697         vconf_get_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, &wifi_off_by_emergency);
 698         vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state);
 699
 700 #if !defined TIZEN_WEARABLE
 701         vconf_get_bool(VCONFKEY_SETAPPL_NETWORK_PERMIT_WITH_LCD_OFF_LIMIT, &emergency_by_fmm);
 702         DBG("emergency mode by Find My Mobile (%d)", emergency_by_fmm);
 703         if (emergency_by_fmm == 1)
 704                 return;
 705 #endif
 706
 707         if (node != NULL)
 708                 emergency = vconf_keynode_get_int(node);
 709         else
 710                 vconf_get_int(VCONFKEY_SETAPPL_PSMODE, &emergency);
 711
 712         DBG("emergency mode %s", emergency > SETTING_PSMODE_POWERFUL ? "ON" : "OFF");
 713         DBG("Wi-Fi state %d, Wi-Fi was off by emergency mode %s", wifi_state, wifi_off_by_emergency ? "Yes" : "No");
 714
 715 #if defined TIZEN_WEARABLE
 716         if (emergency == SETTING_PSMODE_WEARABLE) {
 717                 /* basic power saving mode on */
 718         } else if (emergency == SETTING_PSMODE_WEARABLE_ENHANCED) {
 719                 /* enhanced power saving mode on */
 720                 vconf_get_int(VCONF_WIFI_WEARABLE_WIFI_USE, &wifi_use);
 721                 psmode_wifi_use = wifi_use;
 722                 if (wifi_use != 0) {
 723                         netconfig_set_vconf_int(VCONF_WIFI_WEARABLE_WIFI_USE, 0);
 724                 }
 725
 726                 if (wifi_state == VCONFKEY_WIFI_OFF)
 727                         return;
 728
 729                 wifi_power_off();
 730                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, 1);
 731         } else {
 732                 /* power saving mode off */
 733                 netconfig_set_vconf_int(VCONF_WIFI_WEARABLE_WIFI_USE, psmode_wifi_use);
 734                 if (!wifi_off_by_emergency)
 735                         return;
 736
 737                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, 0);
 738                 if (wifi_state > VCONFKEY_WIFI_OFF)
 739                         return;
 740
 741                 wifi_power_on_wearable(TRUE);
 742         }
 743 #else
 744         if (emergency > SETTING_PSMODE_POWERFUL) {
 745                 /* emergency mode on */
 746                 if (wifi_state == VCONFKEY_WIFI_OFF)
 747                         return;
 748
 749                 wifi_power_off();
 750
 751                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, 1);
 752         } else {
 753                 /* emergency mode off */
 754                 if (!wifi_off_by_emergency)
 755                         return;
 756
 757                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, 0);
 758
 759                 if (wifi_state > VCONFKEY_WIFI_OFF)
 760                         return;
 761
 762                 wifi_power_on();
 763         }
 764 #endif
 765
 766 }
 767
 768 static void __pm_state_changed_cb(keynode_t* node, void* user_data)
 769 {
 770         int new_state = -1;
 771         int wifi_state = 0;
 772         static int prev_state = VCONFKEY_PM_STATE_NORMAL;
 773
 774         if (vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state) < 0) {
 775                 ERR("Fail to get VCONFKEY_WIFI_STATE");
 776                 return;
 777         }
 778
 779         /* PM state
 780          *      VCONFKEY_PM_STATE_NORMAL = 1,
 781          *      VCONFKEY_PM_STATE_LCDDIM,
 782          *      VCONFKEY_PM_STATE_LCDOFF,
 783          *      VCONFKEY_PM_STATE_SLEEP
 784          */
 785         if (node != NULL)
 786                 new_state = vconf_keynode_get_int(node);
 787         else
 788                 vconf_get_int(VCONFKEY_PM_STATE, &new_state);
 789
 790         DBG("wifi state: %d (0 off / 1 on / 2 connected)", wifi_state);
 791         DBG("Old PM state: %d, current: %d", prev_state, new_state);
 792
 793         if ((new_state == VCONFKEY_PM_STATE_NORMAL) && (prev_state >= VCONFKEY_PM_STATE_LCDOFF)) {
 794                 netconfig_wifi_bgscan_stop();
 795                 netconfig_wifi_bgscan_start(TRUE);
 796         }
 797
 798         prev_state = new_state;
 799 }
 800
 801 #if defined TIZEN_TELEPHONY_ENABLE
 802 static void _tapi_noti_sim_status_cb(TapiHandle *handle, const char *noti_id,
 803                                                                                 void *data, void *user_data)
 804 {
 805         TelSimCardStatus_t *status = data;
 806
 807         if (*status == TAPI_SIM_STATUS_SIM_INIT_COMPLETED) {
 808                 DBG("Turn Wi-Fi on automatically");
 809 #if defined TIZEN_WEARABLE
 810                 wifi_power_on_wearable(TRUE);
 811 #else
 812                 wifi_power_on();
 813 #endif
 814                 netconfig_tel_deinit();
 815         }
 816 }
 817
 818 static gboolean netconfig_tapi_check_sim_state(void)
 819 {
 820         int ret, card_changed;
 821         TelSimCardStatus_t status = TAPI_SIM_STATUS_UNKNOWN;
 822         TapiHandle *tapi_handle = NULL;
 823
 824         tapi_handle = (TapiHandle *)netconfig_tel_init();
 825         if (tapi_handle == NULL) {
 826                 ERR("Failed to tapi init");
 827                 return FALSE;
 828         }
 829
 830         ret = tel_get_sim_init_info(tapi_handle, &status, &card_changed);
 831         if (ret != TAPI_API_SUCCESS) {
 832                 ERR("tel_get_sim_init_info() Failed : [%d]", ret);
 833                 netconfig_tel_deinit();
 834                 return FALSE;
 835         }
 836
 837         switch (status) {
 838         case TAPI_SIM_STATUS_UNKNOWN:
 839         case TAPI_SIM_STATUS_CARD_ERROR:
 840         case TAPI_SIM_STATUS_CARD_NOT_PRESENT:
 841         case TAPI_SIM_STATUS_CARD_BLOCKED:
 842         case TAPI_SIM_STATUS_SIM_INIT_COMPLETED:
 843                 break;
 844         case TAPI_SIM_STATUS_SIM_PIN_REQUIRED:
 845         case TAPI_SIM_STATUS_SIM_INITIALIZING:
 846         case TAPI_SIM_STATUS_SIM_PUK_REQUIRED:
 847         case TAPI_SIM_STATUS_SIM_LOCK_REQUIRED:
 848         case TAPI_SIM_STATUS_SIM_NCK_REQUIRED:
 849         case TAPI_SIM_STATUS_SIM_NSCK_REQUIRED:
 850         case TAPI_SIM_STATUS_SIM_SPCK_REQUIRED:
 851         case TAPI_SIM_STATUS_SIM_CCK_REQUIRED:
 852                 tel_register_noti_event(tapi_handle, TAPI_NOTI_SIM_STATUS,
 853                                 _tapi_noti_sim_status_cb, NULL);
 854                 return FALSE;
 855         default:
 856                 ERR("not defined status(%d)", status);
 857                 break;
 858         }
 859
 860         netconfig_tel_deinit();
 861
 862         return TRUE;
 863 }
 864
 865 static void __netconfig_telephony_ready_changed_cb(keynode_t * node, void *data)
 866 {
 867         int telephony_ready = 0;
 868
 869         if (node != NULL)
 870                 telephony_ready = vconf_keynode_get_bool(node);
 871         else
 872                 vconf_get_bool(VCONFKEY_TELEPHONY_READY, &telephony_ready);
 873
 874         if (telephony_ready != 0) {
 875                 if (netconfig_tapi_check_sim_state() == FALSE) {
 876                         DBG("Sim is not initialized yet.");
 877
 878                         goto done;
 879                 }
 880         } else
 881                 return;
 882
 883         DBG("Turn Wi-Fi on automatically");
 884
 885 #if defined TIZEN_WEARABLE
 886         wifi_power_on_wearable(TRUE);
 887 #else
 888         wifi_power_on();
 889 #endif
 890
 891 done:
 892         vconf_ignore_key_changed(VCONFKEY_TELEPHONY_READY, __netconfig_telephony_ready_changed_cb);
 893 }
 894 #endif
 895
 896 int wifi_power_driver_and_supplicant(gboolean enable)
 897 {
 898         /* There are 3 thumb rules for Wi-Fi power management
 899          *   1. Do not make exposed API to control wpa_supplicant and driver directly.
 900          *      It probably breaks ConnMan technology operation.
 901          *
 902          *   2. Do not remove driver and wpa_supplicant if ConnMan already enabled.
 903          *      It breaks ConnMan technology operation.
 904          *
 905          *   3. Final the best rule: make it as simple as possible.
 906          *      Simple code enables easy maintenance and reduces logical errors.
 907          */
 908         if (enable == TRUE) {
 909                 return _load_driver_and_supplicant();
 910         } else {
 911                 if (connman_wifi_technology_state == TRUE)
 912                         return -ENOSYS;
 913
 914                 return _remove_driver_and_supplicant();
 915         }
 916 }
 917
 918 void wifi_power_disable_technology_state_by_only_connman_signal(void)
 919 {
 920         /* Important: it's only done by ConnMan technology signal update */
 921         connman_wifi_technology_state = FALSE;
 922 }
 923
 924 void wifi_power_recover_firmware(void)
 925 {
 926         wifi_firmware_recovery_mode = TRUE;
 927
 928         netconfig_wifi_bgscan_stop();
 929
 930         wifi_power_off();
 931 }
 932
 933 int wifi_power_on(void)
 934 {
 935         int err = 0;
 936         wifi_tech_state_e tech_state;
 937
 938         tech_state = wifi_state_get_technology_state();
 939         if (tech_state >= NETCONFIG_WIFI_TECH_POWERED)
 940                 return -EALREADY;
 941
 942         if (__is_wifi_restricted() == TRUE)
 943                 return -EPERM;
 944
 945         if (netconfig_is_wifi_tethering_on() == TRUE) {
 946                 /* TODO: Wi-Fi tethering turns off here */
 947                 /* return TRUE; */
 948                 ERR("Failed to turn tethering off");
 949                 return -EBUSY;
 950         }
 951
 952 #if defined TIZEN_P2P_ENABLE && !defined WLAN_CONCURRENT_MODE
 953         if (netconfig_is_wifi_direct_on() == TRUE) {
 954                 if (__netconfig_wifi_direct_power_off() == TRUE)
 955                         return -EINPROGRESS;
 956                 else {
 957                         ERR("Failed to turn Wi-Fi direct off");
 958                         return -EBUSY;
 959                 }
 960         }
 961 #endif
 962
 963         err = wifi_power_driver_and_supplicant(TRUE);
 964         if (err < 0 && err != -EALREADY)
 965                 return err;
 966
 967         err = _set_connman_technology_power(TRUE);
 968
 969         return err;
 970 }
 971
 972 int wifi_power_off(void)
 973 {
 974         int err;
 975
 976         err = _set_connman_technology_power(FALSE);
 977         if (err == -EALREADY)
 978                 wifi_state_update_power_state(FALSE);
 979
 980         return 0;
 981 }
 982
 983 #if defined TIZEN_WEARABLE
 984 int wifi_power_on_wearable(gboolean device_picker_test)
 985 {
 986         int err = 0;
 987         int wifi_use = 1;
 988         wifi_tech_state_e tech_state;
 989         weconn_service_state_e weconn_state;
 990
 991         tech_state = wifi_state_get_technology_state();
 992         if (tech_state >= NETCONFIG_WIFI_TECH_POWERED)
 993                 return -EALREADY;
 994
 995         err = weconn_get_service_state(weconn_handle, W_SERVICE_TYPE_BT, &weconn_state);
 996         if (err == 0 && weconn_state == W_SERVICE_STATE_CONNECTED) {
 997                 WARN("Not permitted Wi-Fi on");
 998                 return -EPERM;
 999         }
1000
1001         if (vconf_get_int(VCONF_WIFI_WEARABLE_WIFI_USE, &wifi_use) < 0) {
1002                 ERR("Fail to get VCONF_WIFI_WEARABLE_WIFI_USE");
1003                 return -EIO;
1004         }
1005
1006         if (wifi_use == 0) {
1007                 WARN("VCONF_WIFI_WEARABLE_WIFI_USE is OFF");
1008                 return -EPERM;
1009         }
1010
1011         err = wifi_power_driver_and_supplicant(TRUE);
1012         if (err < 0 && err != -EALREADY)
1013                 return err;
1014
1015         err = _set_connman_technology_power(TRUE);
1016
1017         if (device_picker_test == TRUE)
1018                 netconfig_wifi_enable_device_picker_test();
1019
1020         return err;
1021 }
1022 #endif
1023
1024 void wifi_power_initialize(void)
1025 {
1026         int wifi_last_power_state = 0;
1027
1028         /* Initialize Airplane mode */
1029 #if defined TIZEN_TELEPHONY_ENABLE
1030         vconf_get_bool(VCONFKEY_TELEPHONY_FLIGHT_MODE, &airplane_mode);
1031 #endif
1032         DBG("Airplane[%s]", airplane_mode > 0 ? "ON" : "OFF");
1033
1034         /* Update the last Wi-Fi power state */
1035         vconf_get_int(VCONF_WIFI_LAST_POWER_STATE, &wifi_last_power_state);
1036         if (wifi_last_power_state > VCONFKEY_WIFI_OFF) {
1037 #if defined TIZEN_TELEPHONY_ENABLE
1038                 int telephony_ready = 0;
1039                 vconf_get_bool(VCONFKEY_TELEPHONY_READY, &telephony_ready);
1040                 if (telephony_ready == 0) {
1041                         DBG("Telephony API is not initialized yet");
1042                         vconf_notify_key_changed(VCONFKEY_TELEPHONY_READY,
1043                                         __netconfig_telephony_ready_changed_cb, NULL);
1044                 } else {
1045                         if (netconfig_tapi_check_sim_state() == FALSE)
1046                                 DBG("SIM is not initialized yet");
1047                 }
1048 #endif
1049                 DBG("Turn Wi-Fi on automatically");
1050 #if defined TIZEN_WEARABLE
1051                 wifi_power_on_wearable(TRUE);
1052 #else
1053                 wifi_power_on();
1054 #endif
1055         }
1056
1057 #if defined TIZEN_WEARABLE
1058         _weconn_set_state_changed_cb(W_SERVICE_TYPE_BT, NULL);
1059         vconf_notify_key_changed(VCONF_WIFI_WEARABLE_WIFI_USE, __wearable_wifi_use_changed_cb, NULL);
1060
1061 #if defined TIZEN_TELEPHONY_ENABLE
1062         vconf_notify_key_changed(VCONFKEY_TELEPHONY_FLIGHT_MODE,
1063                         __netconfig_wifi_wearable_airplane_mode, NULL);
1064 #endif
1065 #else
1066         vconf_notify_key_changed(VCONFKEY_SETAPPL_NETWORK_RESTRICT_MODE,
1067                         __netconfig_wifi_restrict_mode, NULL);
1068 #if defined TIZEN_TELEPHONY_ENABLE
1069         vconf_notify_key_changed(VCONFKEY_TELEPHONY_FLIGHT_MODE,
1070                         __netconfig_wifi_airplane_mode, NULL);
1071 #endif
1072 #endif
1073
1074         vconf_notify_key_changed(VCONFKEY_SETAPPL_PSMODE, __emergency_mode_changed_cb, NULL);
1075         vconf_notify_key_changed(VCONFKEY_PM_STATE, __pm_state_changed_cb, NULL);
1076 }
1077
1078 void wifi_power_deinitialize(void)
1079 {
1080 }
1081
1082 gboolean handle_load_driver(Wifi *wifi,
1083                 GDBusMethodInvocation *context, gboolean device_picker_test)
1084 {
1085         int err;
1086
1087         DBG("Wi-Fi power on requested");
1088
1089         g_return_val_if_fail(wifi != NULL, FALSE);
1090
1091 #if defined TIZEN_WEARABLE
1092         err = wifi_power_on_wearable(device_picker_test);
1093 #else
1094         err = wifi_power_on();
1095
1096         if (device_picker_test == TRUE)
1097                 netconfig_wifi_enable_device_picker_test();
1098 #endif
1099         if (err < 0) {
1100                 if (err == -EINPROGRESS)
1101                         netconfig_error_inprogress(context);
1102                 else if (err == -EALREADY)
1103                         netconfig_error_already_exists(context);
1104                 else if (err == -EPERM)
1105                         netconfig_error_permission_denied(context);
1106                 else
1107                         netconfig_error_wifi_driver_failed(context);
1108
1109                 return TRUE;
1110         }
1111
1112
1113         netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 0);
1114         __netconfig_set_wifi_bssid();
1115
1116         wifi_complete_load_driver(wifi, context);
1117         return TRUE;
1118 }
1119
1120 gboolean handle_remove_driver(Wifi *wifi, GDBusMethodInvocation *context)
1121 {
1122         int err;
1123
1124         DBG("Wi-Fi power off requested");
1125
1126         g_return_val_if_fail(wifi != NULL, FALSE);
1127
1128         err = wifi_power_off();
1129         if (err < 0) {
1130                 if (err == -EINPROGRESS)
1131                         netconfig_error_inprogress(context);
1132                 else if (err == -EALREADY)
1133                         netconfig_error_already_exists(context);
1134                 else if (err == -EPERM)
1135                         netconfig_error_permission_denied(context);
1136                 else
1137                         netconfig_error_wifi_driver_failed(context);
1138                 return TRUE;
1139         }
1140
1141         netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 0);
1142
1143         wifi_complete_remove_driver(wifi, context);
1144         return TRUE;
1145 }
1146
1147 gboolean handle_load_p2p_driver(Wifi *wifi, GDBusMethodInvocation *context)
1148 {
1149         ERR("Deprecated");
1150
1151         wifi_complete_load_p2p_driver(wifi, context);
1152         return TRUE;
1153 }
1154
1155 gboolean handle_remove_p2p_driver(Wifi *wifi, GDBusMethodInvocation *context)
1156 {
1157         ERR("Deprecated");
1158
1159         wifi_complete_remove_p2p_driver(wifi, context);
1160         return TRUE;
1161 }
1162
1163 #if defined TIZEN_TV
1164 static int __netconfig_get_random_mac(unsigned char *mac_buf, int mac_len)
1165 {
1166         DBG("Generate Random Mac address of ethernet");
1167         FILE *fp;
1168         int rc;
1169
1170         fp = fopen(OS_RANDOM_FILE, "rb");
1171
1172         if (fp == NULL) {
1173                 ERR("Could not open /dev/urandom");
1174                 return -1;
1175         }
1176         rc = fread(mac_buf, 1, mac_len, fp);
1177         if (fp)
1178                 fclose(fp);
1179
1180         return rc != mac_len ? -1 : 0;
1181 }
1182
1183 void __netconfig_set_ether_macaddr()
1184 {
1185
1186         DBG("Set wired Mac address ");
1187         char *mac_addr = NULL;
1188         int rv = -1;
1189
1190         mac_addr = vconf_get_str(VCONF_ETH_MAC_ADDRESS);
1191         if (mac_addr == NULL) {
1192                 DBG("vconf_get_str Failed\n");
1193                 return;
1194         }
1195         /* Checking Invalid MAC Address */
1196         if ((strlen(mac_addr) == 0)) {
1197                 ERR("Failed to get valid MAC Address from vconf");
1198                 /*Generate the Random Mac address*/
1199                 unsigned char rand_mac_add[ETH_MAC_ADDR_SIZE+1];
1200
1201                 if (__netconfig_get_random_mac(rand_mac_add, ETH_MAC_ADDR_SIZE == -1)) {
1202
1203                         ERR("Could not generate the Random Mac address");
1204                         g_free(mac_addr);
1205                         return;
1206                 }
1207
1208                 rand_mac_add[0] &= 0xFE; /*Clear multicase bit*/
1209                 rand_mac_add[0] |= 0x02; /*set local assignment bit*/
1210
1211                 /*Set the Mac address in Vconf*/
1212                 snprintf(mac_addr, WLAN_MAC_ADDR_MAX, "%x:%x:%x:%x:%x:%x",
1213                                 rand_mac_add[0], rand_mac_add[1],
1214                                 rand_mac_add[2], rand_mac_add[3],
1215                                 rand_mac_add[4], rand_mac_add[5]);
1216
1217                 netconfig_set_vconf_str(VCONF_ETH_MAC_ADDRESS, mac_addr);
1218         }
1219
1220         DBG("MAC Address of eth0 [%s]",mac_addr);
1221         const char *path = NET_EXEC_PATH;
1222         char *const args[] = { "/sbin/ifconfig", "eth0", "hw",
1223                 "ether",mac_addr, "up", NULL};
1224         char *const envs[] = { NULL };
1225         rv = netconfig_execute_file(path, args, envs);
1226
1227         if (rv < 0) {
1228                 ERR("Unable to execute system command");
1229         }
1230         g_free(mac_addr);
1231
1232 }
1233 #endif