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 #include <stdlib.h>
  27 #include <tzplatform_config.h>
  28
  29 #if defined TIZEN_P2P_ENABLE && !defined WLAN_CONCURRENT_MODE
  30 #include <wifi-direct.h>
  31 #endif
  32
  33 #include "log.h"
  34 #include "util.h"
  35 #include "netdbus.h"
  36 #include "neterror.h"
  37 #include "wifi-wps.h"
  38 #include "wifi-power.h"
  39 #include "wifi-state.h"
  40 #include "wifi-tel-intf.h"
  41 #include "netsupplicant.h"
  42 #include "network-state.h"
  43 #include "network-dpm.h"
  44 #include "wifi-firmware.h"
  45 #include "wifi-background-scan.h"
  46
  47
  48 #define WLAN_SUPPLICANT_SCRIPT          "/usr/sbin/wpa_supp.sh"
  49 #define P2P_SUPPLICANT_SCRIPT           "/usr/sbin/p2p_supp.sh"
  50
  51 #define VCONF_WIFI_OFF_STATE_BY_AIRPLANE        "file/private/wifi/wifi_off_by_airplane"
  52 #define VCONF_WIFI_OFF_STATE_BY_RESTRICTED      "file/private/wifi/wifi_off_by_restricted"
  53 #define VCONF_WIFI_OFF_STATE_BY_EMERGENCY       "file/private/wifi/wifi_off_by_emergency"
  54 #if defined TIZEN_WEARABLE
  55 #define VCONF_WIFI_WEARABLE_WIFI_USE                    "db/private/wifi/wearable_wifi_use"
  56 #endif
  57 #if !defined TIZEN_WEARABLE
  58 #define VCONFKEY_SETAPPL_NETWORK_PERMIT_WITH_LCD_OFF_LIMIT      "db/setting/network_with_lcd_off_limit"
  59 #endif
  60
  61 #define WLAN_MAC_INFO               tzplatform_mkpath(TZ_SYS_ETC, "/.mac.info")
  62 #define WLAN_MAC_ADDRESS_FILEPATH   "/sys/class/net/wlan0/address"
  63 #define WLAN_MAC_ADDR_MAX           20
  64 #define VCONF_WIFI_BSSID_ADDRESS        "db/wifi/bssid_address"
  65
  66 #define ETH_MAC_ADDR_SIZE 6
  67 #define VCONF_ETH_MAC_ADDRESS  "db/dnet/mac_address"
  68 #define NET_EXEC_PATH "/sbin/ifconfig"
  69 #define OS_RANDOM_FILE "/dev/urandom"
  70
  71 static gboolean connman_wifi_technology_state = FALSE;
  72 static gboolean wifi_firmware_recovery_mode = FALSE;
  73 static int airplane_mode = 0;
  74
  75 #if defined TIZEN_WEARABLE
  76 static int psmode_wifi_use = 1;
  77 #endif
  78
  79 static gboolean __is_wifi_restricted(void)
  80 {
  81 #if defined TIZEN_WEARABLE
  82         return FALSE;
  83 #endif
  84         int restricted_mode = 0;
  85
  86         netconfig_vconf_get_bool(VCONFKEY_SETAPPL_NETWORK_RESTRICT_MODE, &restricted_mode);
  87         if (restricted_mode != 0) {
  88                 DBG("network restricted mode[%d]", restricted_mode);
  89                 return TRUE;
  90         }
  91
  92         return FALSE;
  93 }
  94
  95 static void __technology_reply(GObject *source_object, GAsyncResult *res, gpointer user_data)
  96 {
  97         GVariant *reply;
  98         GDBusConnection *conn = NULL;
  99         GError *error = NULL;
 100
 101         conn = G_DBUS_CONNECTION(source_object);
 102         reply = g_dbus_connection_call_finish(conn, res, &error);
 103
 104         if (reply == NULL) {
 105                 if (error != NULL) {
 106                         if (g_strstr_len(error->message, strlen(error->message),
 107                                         CONNMAN_ERROR_INTERFACE ".AlreadyEnabled") != NULL) {
 108                                 wifi_state_update_power_state(TRUE);
 109                         } else if (g_strstr_len(error->message, strlen(error->message),
 110                                         CONNMAN_ERROR_INTERFACE ".AlreadyDisabled") != NULL) {
 111                                 wifi_state_update_power_state(FALSE);
 112                         } else {
 113                                 ERR("Fail to request status [%d: %s]", error->code, error->message);
 114                                 wifi_state_update_power_state(FALSE);
 115                         }
 116                         g_error_free(error);
 117                 } else {
 118                         ERR("Fail to request status");
 119                         wifi_state_update_power_state(FALSE);
 120                 }
 121         } else {
 122                 DBG("Successfully requested");
 123         }
 124
 125         g_variant_unref(reply);
 126         netconfig_gdbus_pending_call_unref();
 127 }
 128
 129 static int __execute_supplicant(gboolean enable)
 130 {
 131         int rv = 0;
 132         const char *path = WLAN_SUPPLICANT_SCRIPT;
 133         char *const args_enable[] = { "/usr/sbin/wpa_supp.sh", "start", NULL };
 134         char *const args_disable[] = { "/usr/sbin/wpa_supp.sh", "stop", NULL };
 135         char *const envs[] = { NULL };
 136         static gboolean enabled = FALSE;
 137
 138         if (enabled == enable)
 139                 return -EALREADY;
 140
 141         if (enable == TRUE)
 142                 rv = netconfig_execute_file(path, args_enable, envs);
 143         else
 144                 rv = netconfig_execute_file(path, args_disable, envs);
 145         if (rv < 0)
 146                 return -EIO;
 147
 148         DBG("wpa_supplicant %s", enable == TRUE ? "started" : "stopped");
 149
 150         enabled = enable;
 151
 152         return 0;
 153 }
 154
 155 #if defined TIZEN_P2P_ENABLE && defined WLAN_CONCURRENT_MODE
 156 static int __netconfig_p2p_supplicant(gboolean enable)
 157 {
 158         int rv = 0;
 159         const char *path = P2P_SUPPLICANT_SCRIPT;
 160         char *const args_enable[] = { P2P_SUPPLICANT_SCRIPT, "start", NULL };
 161         char *const args_disable[] = { P2P_SUPPLICANT_SCRIPT, "stop", NULL };
 162         char *const envs[] = { NULL };
 163
 164         if (enable == TRUE)
 165                 rv = netconfig_execute_file(path, args_enable, envs);
 166         else
 167                 rv = netconfig_execute_file(path, args_disable, envs);
 168         if (rv < 0)
 169                 return -EIO;
 170
 171         DBG("p2p_supplicant %s", enable == TRUE ? "started" : "stopped");
 172
 173         return 0;
 174 }
 175 #endif
 176
 177 void netconfig_wifi_recover_firmware(void)
 178 {
 179         wifi_firmware_recovery_mode = TRUE;
 180
 181         netconfig_wifi_bgscan_stop();
 182
 183         wifi_power_off();
 184 }
 185
 186 #if defined TIZEN_P2P_ENABLE && !defined WLAN_CONCURRENT_MODE
 187 static void __netconfig_wifi_direct_state_cb(int error_code, wifi_direct_device_state_e device_state, void *user_data)
 188 {
 189         int err;
 190
 191         wifi_direct_unset_device_state_changed_cb();
 192         wifi_direct_deinitialize();
 193
 194         if (device_state == WIFI_DIRECT_DEVICE_STATE_DEACTIVATED) {
 195                 err = wifi_power_on();
 196                 if (err < 0) {
 197                         if (err == -EALREADY)
 198                                 wifi_state_update_power_state(TRUE);
 199                         else
 200                                 wifi_state_emit_power_failed();
 201                 }
 202         }
 203 }
 204
 205 static gboolean __netconfig_wifi_direct_power_off(void)
 206 {
 207         DBG("Wi-Fi direct is turning off");
 208
 209         if (wifi_direct_initialize() < 0)
 210                 return FALSE;
 211
 212         if (wifi_direct_set_device_state_changed_cb(__netconfig_wifi_direct_state_cb, NULL) < 0)
 213                 return FALSE;
 214
 215         if (wifi_direct_deactivate() < 0)
 216                 return FALSE;
 217
 218         return TRUE;
 219 }
 220 #endif
 221
 222 static int _load_driver_and_supplicant(void)
 223 {
 224         int err = 0;
 225         wifi_tech_state_e tech_state;
 226
 227         tech_state = wifi_state_get_technology_state();
 228         if (tech_state > NETCONFIG_WIFI_TECH_OFF)
 229                 return -EALREADY;
 230
 231         err = __execute_supplicant(TRUE);
 232         if (err < 0 && err != -EALREADY)
 233                 return err;
 234
 235         err = netconfig_wifi_firmware(NETCONFIG_WIFI_STA, TRUE);
 236         if (err < 0 && err != -EALREADY) {
 237                 __execute_supplicant(FALSE);
 238                 return err;
 239         }
 240
 241         wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_WPS_ONLY);
 242
 243         return 0;
 244 }
 245
 246 static int _remove_driver_and_supplicant(void)
 247 {
 248         int err = 0;
 249
 250         INFO("remove driver and supplicant");
 251         if (wifi_firmware_recovery_mode != TRUE &&
 252                                         netconfig_wifi_is_wps_enabled() == TRUE) {
 253                 DBG("Wi-Fi WPS mode");
 254                 return 0;
 255         }
 256
 257         err = netconfig_wifi_firmware(NETCONFIG_WIFI_STA, FALSE);
 258         if (err < 0 && err != -EALREADY)
 259                 return err;
 260
 261         err = __execute_supplicant(FALSE);
 262         if (err < 0 && err != -EALREADY)
 263                 return err;
 264
 265         wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_OFF);
 266
 267         // reset service state
 268         wifi_state_set_service_state(NETCONFIG_WIFI_IDLE);
 269
 270         if (wifi_firmware_recovery_mode == TRUE) {
 271                 if (wifi_power_on() < 0)
 272                         ERR("Failed to recover Wi-Fi firmware");
 273
 274                 wifi_firmware_recovery_mode = FALSE;
 275         }
 276
 277         return 0;
 278 }
 279
 280 static int _set_connman_technology_power(gboolean enable)
 281 {
 282         gboolean reply = FALSE;
 283         GVariant *param0 = NULL;
 284         GVariant *params = NULL;
 285         char key[] = "Powered";
 286         gboolean value_enable = TRUE;
 287         gboolean value_disable = FALSE;
 288
 289         if (connman_wifi_technology_state == enable)
 290                 return -EALREADY;
 291
 292         if (enable == TRUE)
 293                 param0 = g_variant_new_boolean(value_enable);
 294         else
 295                 param0 = g_variant_new_boolean(value_disable);
 296
 297         params = g_variant_new("(sv)", key, param0);
 298
 299         reply = netconfig_invoke_dbus_method_nonblock(CONNMAN_SERVICE,
 300                                         CONNMAN_WIFI_TECHNOLOGY_PREFIX, CONNMAN_TECHNOLOGY_INTERFACE,
 301                                         "SetProperty", params, __technology_reply);
 302
 303         if (reply != TRUE) {
 304                 ERR("Fail to set technology %s", enable == TRUE ? "enable" : "disable");
 305                 return -ESRCH;
 306         }
 307
 308         /* If Wi-Fi powered off,
 309          * Do not remove Wi-Fi driver until ConnMan technology state updated
 310          */
 311         if (enable == TRUE)
 312                 connman_wifi_technology_state = enable;
 313
 314         /* To be keep safe, early disable Wi-Fi tech state */
 315         if (enable != TRUE)
 316                 wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_WPS_ONLY);
 317
 318         return 0;
 319 }
 320
 321 static void __netconfig_set_wifi_bssid(void)
 322 {
 323         int rv = 0;
 324         char bssid[WLAN_MAC_ADDR_MAX];
 325
 326         FILE *fp = fopen(WLAN_MAC_INFO, "r");
 327
 328         if (fp == NULL) {
 329                 ERR("Fail to open %s", WLAN_MAC_INFO);
 330                 fp = fopen(WLAN_MAC_ADDRESS_FILEPATH, "r");
 331                 if (fp == NULL) {
 332                         ERR("Fail to open %s", WLAN_MAC_ADDRESS_FILEPATH);
 333                         return;
 334                 }
 335         }
 336
 337         fseek(fp, 0L, SEEK_SET);
 338         rv = fscanf(fp, "%17s", bssid);
 339
 340         if (rv < 0)
 341                 ERR("Fail to read bssid");
 342
 343         netconfig_set_vconf_str(VCONF_WIFI_BSSID_ADDRESS, bssid);
 344
 345         fclose(fp);
 346 }
 347
 348 void netconfig_wifi_disable_technology_state_by_only_connman_signal(void)
 349 {
 350         /* Important: it's only done by ConnMan technology signal update */
 351         connman_wifi_technology_state = FALSE;
 352 }
 353
 354 #if defined TIZEN_WEARABLE
 355 int netconfig_wifi_on_wearable(gboolean device_picker_test)
 356 {
 357         int err = 0;
 358         int wifi_use;
 359         int ps_mode;
 360
 361         if (netconfig_vconf_get_int(VCONF_WIFI_WEARABLE_WIFI_USE, &wifi_use) < 0) {
 362                 ERR("Fail to get VCONF_WIFI_WEARABLE_WIFI_USE");
 363                 return -EIO;
 364         }
 365
 366         if (wifi_use > 0) {
 367                 if (netconfig_vconf_get_int(VCONFKEY_SETAPPL_PSMODE, &ps_mode) < 0) {
 368                         ERR("Fail to get VCONFKEY_SETAPPL_PSMODE");
 369                         return -EIO;
 370                 }
 371
 372                 if (ps_mode > SETTING_PSMODE_NORMAL) {
 373                         WARN("ps mode is on(%d), Not turn on Wi-Fi", ps_mode);
 374                         return -EPERM;
 375                 }
 376         } else {
 377                 WARN("Not permitted Wi-Fi on");
 378                 return -EPERM;
 379         }
 380
 381         err = wifi_power_driver_and_supplicant(TRUE);
 382         if (err < 0 && err != -EALREADY)
 383                 return err;
 384
 385         err = _set_connman_technology_power(TRUE);
 386
 387         if (device_picker_test == TRUE)
 388                 netconfig_wifi_enable_device_picker_test();
 389
 390         return err;
 391 }
 392
 393 static void __wearable_wifi_use_changed_cb(keynode_t* node, void* user_data)
 394 {
 395         int wifi_state;
 396         int wifi_use = 1;
 397
 398         if (netconfig_vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state) < 0) {
 399                 ERR("Fail to get VCONFKEY_WIFI_STATE");
 400                 return;
 401         }
 402
 403         if (node != NULL)
 404                 wifi_use = vconf_keynode_get_int(node);
 405         else
 406                 netconfig_vconf_get_int(VCONF_WIFI_WEARABLE_WIFI_USE, &wifi_use);
 407
 408         if (wifi_use > 0) {
 409                 DBG("wifi use on");
 410                 if (wifi_state > VCONFKEY_WIFI_OFF) {
 411                         WARN("Wi-Fi is already turned on");
 412                         return;
 413                 }
 414                 wifi_power_on_wearable(TRUE);
 415         } else {
 416                 ERR("## wifi use [OFF]");
 417                 if (wifi_state == VCONFKEY_WIFI_OFF) {
 418                         WARN("Wi-Fi is already turned off");
 419                         return;
 420                 }
 421
 422                 wifi_power_off();
 423         }
 424 }
 425 #else
 426 static void __netconfig_wifi_restrict_mode(keynode_t *node, void *user_data)
 427 {
 428         int wifi_state = 0, restricted = 0;
 429         int wifi_off_by_restricted = 0;
 430
 431         netconfig_vconf_get_int(VCONF_WIFI_OFF_STATE_BY_RESTRICTED, &wifi_off_by_restricted);
 432
 433         netconfig_vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state);
 434
 435         if (node != NULL)
 436                 restricted = vconf_keynode_get_bool(node);
 437         else
 438                 netconfig_vconf_get_bool(VCONFKEY_SETAPPL_NETWORK_RESTRICT_MODE, &restricted);
 439
 440         DBG("network restricted mode %s", restricted > 0 ? "ON" : "OFF");
 441         DBG("Wi-Fi state %d, Wi-Fi was off by restricted mode %s", wifi_state,
 442                         wifi_off_by_restricted ? "Yes" : "No");
 443
 444         if (restricted > 0) {
 445                 /* network restricted on */
 446                 if (wifi_state == VCONFKEY_WIFI_OFF)
 447                         return;
 448
 449                 wifi_power_off();
 450
 451                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_RESTRICTED, 1);
 452         } else {
 453                 /* network restricted off */
 454                 if (!wifi_off_by_restricted)
 455                         return;
 456
 457                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_RESTRICTED, 0);
 458
 459                 if (wifi_state > VCONFKEY_WIFI_OFF)
 460                         return;
 461
 462                 wifi_power_on();
 463         }
 464 }
 465 #endif
 466
 467 static void __netconfig_wifi_airplane_mode(keynode_t *node, void *user_data)
 468 {
 469         int wifi_state = 0, airplane_state = 0;
 470         int wifi_off_by_airplane = 0;
 471
 472         netconfig_vconf_get_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, &wifi_off_by_airplane);
 473
 474 #if defined TIZEN_WEARABLE
 475         netconfig_vconf_get_int(VCONF_WIFI_WEARABLE_WIFI_USE, &wifi_state)
 476 #else
 477         netconfig_vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state);
 478 #endif
 479
 480         if (node != NULL)
 481                 airplane_state = vconf_keynode_get_bool(node);
 482         else
 483                 netconfig_vconf_get_bool(VCONFKEY_TELEPHONY_FLIGHT_MODE, &airplane_state);
 484
 485         DBG("airplane mode %s (prev:%d)", airplane_state > 0 ? "ON" : "OFF", airplane_mode);
 486         DBG("Wi-Fi state(or use) %d, Wi-Fi was off by flight mode %s", wifi_state,
 487                         wifi_off_by_airplane ? "Yes" : "No");
 488
 489         if (airplane_mode == airplane_state)
 490                 return ;
 491
 492         airplane_mode = airplane_state;
 493
 494         if (airplane_state > 0) {
 495                 /* airplane mode on */
 496                 if (wifi_state == VCONFKEY_WIFI_OFF)
 497                         return;
 498
 499                 wifi_power_off();
 500
 501                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 1);
 502 #if defined TIZEN_WEARABLE
 503                 netconfig_set_vconf_int(VCONF_WIFI_WEARABLE_WIFI_USE, 0);
 504 #endif
 505         } else {
 506                 /* airplane mode off */
 507                 if (!wifi_off_by_airplane)
 508                         return;
 509
 510                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 0);
 511 #if defined TIZEN_WEARABLE
 512                 netconfig_set_vconf_int(VCONF_WIFI_WEARABLE_WIFI_USE, 1);
 513 #else
 514                 if (wifi_state > VCONFKEY_WIFI_OFF)
 515                         return;
 516
 517                 wifi_power_on();
 518 #endif
 519         }
 520 }
 521
 522 static void __emergency_mode_changed_cb(keynode_t *node, void *user_data)
 523 {
 524         int wifi_state = 0, emergency = 0;
 525         int wifi_off_by_emergency = 0;
 526 #if !defined TIZEN_WEARABLE
 527         int emergency_by_fmm = 0;
 528 #endif
 529 #if defined TIZEN_WEARABLE
 530         int wifi_use = 1;
 531 #endif
 532
 533         netconfig_vconf_get_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, &wifi_off_by_emergency);
 534         netconfig_vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state);
 535
 536 #if !defined TIZEN_WEARABLE
 537         netconfig_vconf_get_bool(VCONFKEY_SETAPPL_NETWORK_PERMIT_WITH_LCD_OFF_LIMIT, &emergency_by_fmm);
 538         DBG("emergency mode by Find My Mobile (%d)", emergency_by_fmm);
 539         if (emergency_by_fmm == 1)
 540                 return;
 541 #endif
 542
 543         if (node != NULL)
 544                 emergency = vconf_keynode_get_int(node);
 545         else
 546                 netconfig_vconf_get_int(VCONFKEY_SETAPPL_PSMODE, &emergency);
 547
 548         DBG("emergency mode %s", emergency > SETTING_PSMODE_POWERFUL ? "ON" : "OFF");
 549         DBG("Wi-Fi state %d, Wi-Fi was off by emergency mode %s", wifi_state, wifi_off_by_emergency ? "Yes" : "No");
 550
 551 #if defined TIZEN_WEARABLE
 552         if (emergency == SETTING_PSMODE_WEARABLE) {
 553                 /* basic power saving mode on */
 554         } else if (emergency == SETTING_PSMODE_WEARABLE_ENHANCED) {
 555                 /* enhanced power saving mode on */
 556                 netconfig_vconf_get_int(VCONF_WIFI_WEARABLE_WIFI_USE, &wifi_use);
 557                 psmode_wifi_use = wifi_use;
 558                 if (wifi_use != 0)
 559                         netconfig_set_vconf_int(VCONF_WIFI_WEARABLE_WIFI_USE, 0);
 560
 561                 if (wifi_state == VCONFKEY_WIFI_OFF)
 562                         return;
 563
 564                 wifi_power_off();
 565                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, 1);
 566         } else {
 567                 /* power saving mode off */
 568                 netconfig_set_vconf_int(VCONF_WIFI_WEARABLE_WIFI_USE, psmode_wifi_use);
 569                 if (!wifi_off_by_emergency)
 570                         return;
 571
 572                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, 0);
 573                 if (wifi_state > VCONFKEY_WIFI_OFF)
 574                         return;
 575
 576                 wifi_power_on_wearable(TRUE);
 577         }
 578 #else
 579         if (emergency > SETTING_PSMODE_POWERFUL) {
 580                 /* emergency mode on */
 581                 if (wifi_state == VCONFKEY_WIFI_OFF)
 582                         return;
 583
 584                 wifi_power_off();
 585
 586                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, 1);
 587         } else {
 588                 /* emergency mode off */
 589                 if (!wifi_off_by_emergency)
 590                         return;
 591
 592                 netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, 0);
 593
 594                 if (wifi_state > VCONFKEY_WIFI_OFF)
 595                         return;
 596
 597                 wifi_power_on();
 598         }
 599 #endif
 600
 601 }
 602
 603 static void __pm_state_changed_cb(keynode_t* node, void* user_data)
 604 {
 605         int new_state = -1;
 606         int wifi_state = 0;
 607         static int prev_state = VCONFKEY_PM_STATE_NORMAL;
 608
 609         if (netconfig_vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state) < 0) {
 610                 ERR("Fail to get VCONFKEY_WIFI_STATE");
 611                 return;
 612         }
 613
 614         /* PM state
 615          *      VCONFKEY_PM_STATE_NORMAL = 1,
 616          *      VCONFKEY_PM_STATE_LCDDIM,
 617          *      VCONFKEY_PM_STATE_LCDOFF,
 618          *      VCONFKEY_PM_STATE_SLEEP
 619          */
 620         if (node != NULL)
 621                 new_state = vconf_keynode_get_int(node);
 622         else
 623                 netconfig_vconf_get_int(VCONFKEY_PM_STATE, &new_state);
 624
 625         DBG("wifi state: %d (0 off / 1 on / 2 connected)", wifi_state);
 626         DBG("Old PM state: %d, current: %d", prev_state, new_state);
 627
 628         if ((new_state == VCONFKEY_PM_STATE_NORMAL) && (prev_state >= VCONFKEY_PM_STATE_LCDOFF)) {
 629                 netconfig_wifi_bgscan_stop();
 630                 netconfig_wifi_bgscan_start(TRUE);
 631         }
 632
 633         prev_state = new_state;
 634 }
 635
 636 static void _tapi_noti_sim_status_cb(TapiHandle *handle, const char *noti_id,
 637                                                                                 void *data, void *user_data)
 638 {
 639         TelSimCardStatus_t *status = data;
 640
 641         if (*status == TAPI_SIM_STATUS_SIM_INIT_COMPLETED) {
 642                 DBG("Turn Wi-Fi on automatically");
 643 #if defined TIZEN_WEARABLE
 644                 wifi_power_on_wearable(TRUE);
 645 #else
 646                 wifi_power_on();
 647 #endif
 648                 netconfig_tel_deinit();
 649         }
 650 }
 651
 652 static gboolean netconfig_tapi_check_sim_state(void)
 653 {
 654         int ret, card_changed;
 655         TelSimCardStatus_t status = TAPI_SIM_STATUS_UNKNOWN;
 656         TapiHandle *tapi_handle = NULL;
 657
 658         tapi_handle = (TapiHandle *)netconfig_tel_init();
 659         if (tapi_handle == NULL) {
 660                 ERR("Failed to tapi init");
 661                 return FALSE;
 662         }
 663
 664         ret = tel_get_sim_init_info(tapi_handle, &status, &card_changed);
 665         if (ret != TAPI_API_SUCCESS) {
 666                 ERR("tel_get_sim_init_info() Failed : [%d]", ret);
 667                 netconfig_tel_deinit();
 668                 return FALSE;
 669         }
 670
 671         switch (status) {
 672         case TAPI_SIM_STATUS_UNKNOWN:
 673         case TAPI_SIM_STATUS_CARD_ERROR:
 674         case TAPI_SIM_STATUS_CARD_NOT_PRESENT:
 675         case TAPI_SIM_STATUS_CARD_BLOCKED:
 676         case TAPI_SIM_STATUS_SIM_INIT_COMPLETED:
 677                 break;
 678         case TAPI_SIM_STATUS_SIM_PIN_REQUIRED:
 679         case TAPI_SIM_STATUS_SIM_INITIALIZING:
 680         case TAPI_SIM_STATUS_SIM_PUK_REQUIRED:
 681         case TAPI_SIM_STATUS_SIM_LOCK_REQUIRED:
 682         case TAPI_SIM_STATUS_SIM_NCK_REQUIRED:
 683         case TAPI_SIM_STATUS_SIM_NSCK_REQUIRED:
 684         case TAPI_SIM_STATUS_SIM_SPCK_REQUIRED:
 685         case TAPI_SIM_STATUS_SIM_CCK_REQUIRED:
 686                 tel_register_noti_event(tapi_handle, TAPI_NOTI_SIM_STATUS,
 687                                 _tapi_noti_sim_status_cb, NULL);
 688                 return FALSE;
 689         default:
 690                 ERR("not defined status(%d)", status);
 691                 break;
 692         }
 693
 694         netconfig_tel_deinit();
 695
 696         return TRUE;
 697 }
 698
 699 static void __netconfig_telephony_ready_changed_cb(keynode_t * node, void *data)
 700 {
 701         int telephony_ready = 0;
 702
 703         if (node != NULL)
 704                 telephony_ready = vconf_keynode_get_bool(node);
 705         else
 706                 netconfig_vconf_get_bool(VCONFKEY_TELEPHONY_READY, &telephony_ready);
 707
 708         if (telephony_ready != 0) {
 709                 if (netconfig_tapi_check_sim_state() == FALSE) {
 710                         DBG("Sim is not initialized yet.");
 711
 712                         goto done;
 713                 }
 714         } else
 715                 return;
 716
 717         DBG("Turn Wi-Fi on automatically");
 718
 719 #if defined TIZEN_WEARABLE
 720         wifi_power_on_wearable(TRUE);
 721 #else
 722         wifi_power_on();
 723 #endif
 724
 725 done:
 726         vconf_ignore_key_changed(VCONFKEY_TELEPHONY_READY, __netconfig_telephony_ready_changed_cb);
 727 }
 728
 729 int wifi_power_driver_and_supplicant(gboolean enable)
 730 {
 731         /* There are 3 thumb rules for Wi-Fi power management
 732          *   1. Do not make exposed API to control wpa_supplicant and driver directly.
 733          *      It probably breaks ConnMan technology operation.
 734          *
 735          *   2. Do not remove driver and wpa_supplicant if ConnMan already enabled.
 736          *      It breaks ConnMan technology operation.
 737          *
 738          *   3. Final the best rule: make it as simple as possible.
 739          *      Simple code enables easy maintenance and reduces logical errors.
 740          */
 741         if (enable == TRUE) {
 742                 return _load_driver_and_supplicant();
 743         } else {
 744                 if (connman_wifi_technology_state == TRUE)
 745                         return -ENOSYS;
 746
 747                 return _remove_driver_and_supplicant();
 748         }
 749 }
 750
 751 void wifi_power_disable_technology_state_by_only_connman_signal(void)
 752 {
 753         /* Important: it's only done by ConnMan technology signal update */
 754         connman_wifi_technology_state = FALSE;
 755 }
 756
 757 void wifi_power_recover_firmware(void)
 758 {
 759         wifi_firmware_recovery_mode = TRUE;
 760
 761         netconfig_wifi_bgscan_stop();
 762
 763         wifi_power_off();
 764 }
 765
 766 int wifi_power_on(void)
 767 {
 768         int err = 0;
 769         wifi_tech_state_e tech_state;
 770
 771         tech_state = wifi_state_get_technology_state();
 772         if (tech_state >= NETCONFIG_WIFI_TECH_POWERED) {
 773                 /* There can be a scenario where wifi is automatically *
 774                  * activated by connman if wifi was powered in last boot. *
 775                  * So we should update connman_wifi_technology_state variable *
 776                  * if it is found that wifi_tech_state variable is *
 777                  * NETCONFIG_WIFI_TECH_POWERED and connman_wifi_technology_state *
 778                  * variable is FALSE. Earlier connman_wifi_technology_state *
 779                  * variable was only updated when wifi was Powered on from *
 780                  * net-config resulting in variable not getting updated. *
 781                  * This caused wifi to not get deactivated after reboot if *
 782                  * last power state was activated */
 783                 ERR("Net-Config WiFi connman technology state %d",
 784                                 connman_wifi_technology_state);
 785                 if (connman_wifi_technology_state == FALSE)
 786                         connman_wifi_technology_state = TRUE;
 787                 return -EALREADY;
 788         }
 789
 790         if (__is_wifi_restricted() == TRUE)
 791                 return -EPERM;
 792
 793         if (netconfig_is_wifi_tethering_on() == TRUE) {
 794                 /* TODO: Wi-Fi tethering turns off here */
 795                 /* return TRUE; */
 796                 ERR("Failed to turn tethering off");
 797                 return -EBUSY;
 798         }
 799
 800 #if defined TIZEN_P2P_ENABLE && !defined WLAN_CONCURRENT_MODE
 801         if (netconfig_is_wifi_direct_on() == TRUE) {
 802                 if (__netconfig_wifi_direct_power_off() == TRUE)
 803                         return -EINPROGRESS;
 804                 else {
 805                         ERR("Failed to turn Wi-Fi direct off");
 806                         return -EBUSY;
 807                 }
 808         }
 809 #endif
 810
 811         err = wifi_power_driver_and_supplicant(TRUE);
 812         if (err < 0 && err != -EALREADY)
 813                 return err;
 814
 815         err = _set_connman_technology_power(TRUE);
 816
 817         return err;
 818 }
 819
 820 int wifi_power_off(void)
 821 {
 822         int err;
 823
 824         err = _set_connman_technology_power(FALSE);
 825         if (err == -EALREADY)
 826                 wifi_state_update_power_state(FALSE);
 827
 828         return 0;
 829 }
 830
 831 #if defined TIZEN_WEARABLE
 832 int wifi_power_on_wearable(gboolean device_picker_test)
 833 {
 834         int err = 0;
 835         int wifi_use = 1;
 836         wifi_tech_state_e tech_state;
 837
 838         tech_state = wifi_state_get_technology_state();
 839         if (tech_state >= NETCONFIG_WIFI_TECH_POWERED)
 840                 return -EALREADY;
 841
 842         if (netconfig_vconf_get_int(VCONF_WIFI_WEARABLE_WIFI_USE, &wifi_use) < 0) {
 843                 ERR("Fail to get VCONF_WIFI_WEARABLE_WIFI_USE");
 844                 return -EIO;
 845         }
 846
 847         if (wifi_use == 0) {
 848                 WARN("VCONF_WIFI_WEARABLE_WIFI_USE is OFF");
 849                 return -EPERM;
 850         }
 851
 852         err = wifi_power_driver_and_supplicant(TRUE);
 853         if (err < 0 && err != -EALREADY)
 854                 return err;
 855
 856         err = _set_connman_technology_power(TRUE);
 857
 858         if (device_picker_test == TRUE)
 859                 netconfig_wifi_enable_device_picker_test();
 860
 861         return err;
 862 }
 863 #endif
 864
 865 void wifi_power_initialize(void)
 866 {
 867         int wifi_last_power_state = 0;
 868
 869         /* Initialize Airplane mode */
 870         netconfig_vconf_get_bool(VCONFKEY_TELEPHONY_FLIGHT_MODE, &airplane_mode);
 871         DBG("Airplane[%s]", airplane_mode > 0 ? "ON" : "OFF");
 872
 873         /* Update the last Wi-Fi power state */
 874         netconfig_vconf_get_int(VCONF_WIFI_LAST_POWER_STATE, &wifi_last_power_state);
 875         if (wifi_last_power_state > VCONFKEY_WIFI_OFF) {
 876                 if (TIZEN_TELEPHONY_ENABLE) {
 877                         int telephony_ready = 0;
 878                         netconfig_vconf_get_bool(VCONFKEY_TELEPHONY_READY, &telephony_ready);
 879                         if (telephony_ready == 0) {
 880                                 DBG("Telephony API is not initialized yet");
 881                                 vconf_notify_key_changed(VCONFKEY_TELEPHONY_READY,
 882                                                 __netconfig_telephony_ready_changed_cb, NULL);
 883                         } else {
 884                                 if (netconfig_tapi_check_sim_state() == FALSE)
 885                                         DBG("SIM is not initialized yet");
 886                         }
 887                 }
 888                 DBG("Turn Wi-Fi on automatically");
 889 #if defined TIZEN_WEARABLE
 890                 wifi_power_on_wearable(TRUE);
 891 #else
 892                 wifi_power_on();
 893 #endif
 894         }
 895
 896 #if defined TIZEN_WEARABLE
 897         vconf_notify_key_changed(VCONF_WIFI_WEARABLE_WIFI_USE, __wearable_wifi_use_changed_cb, NULL);
 898
 899         vconf_notify_key_changed(VCONFKEY_TELEPHONY_FLIGHT_MODE,
 900                         __netconfig_wifi_airplane_mode, NULL);
 901 #else
 902         vconf_notify_key_changed(VCONFKEY_SETAPPL_NETWORK_RESTRICT_MODE,
 903                         __netconfig_wifi_restrict_mode, NULL);
 904         vconf_notify_key_changed(VCONFKEY_TELEPHONY_FLIGHT_MODE,
 905                         __netconfig_wifi_airplane_mode, NULL);
 906 #endif
 907
 908         vconf_notify_key_changed(VCONFKEY_SETAPPL_PSMODE, __emergency_mode_changed_cb, NULL);
 909         vconf_notify_key_changed(VCONFKEY_PM_STATE, __pm_state_changed_cb, NULL);
 910 }
 911
 912 void wifi_power_deinitialize(void)
 913 {
 914 }
 915
 916 gboolean handle_load_driver(Wifi *wifi,
 917                 GDBusMethodInvocation *context, gboolean device_picker_test)
 918 {
 919         int err;
 920
 921         DBG("Wi-Fi power on requested");
 922
 923         g_return_val_if_fail(wifi != NULL, FALSE);
 924
 925         if (!netconfig_dpm_update_from_wifi()) {
 926                 DBG("DPM policy restricts Wi-Fi");
 927                 netconfig_error_permission_denied(context);
 928                 return TRUE;
 929         }
 930
 931         if (TIZEN_WLAN_BOARD_SPRD)
 932                 wifi_firmware_download();
 933
 934 #if defined TIZEN_WEARABLE
 935         err = wifi_power_on_wearable(device_picker_test);
 936 #else
 937         err = wifi_power_on();
 938
 939         if (device_picker_test == TRUE)
 940                 netconfig_wifi_enable_device_picker_test();
 941 #endif
 942         if (err < 0) {
 943                 if (err == -EINPROGRESS)
 944                         netconfig_error_inprogress(context);
 945                 else if (err == -EALREADY)
 946                         netconfig_error_already_exists(context);
 947                 else if (err == -EPERM)
 948                         netconfig_error_permission_denied(context);
 949                 else
 950                         netconfig_error_wifi_driver_failed(context);
 951
 952                 return TRUE;
 953         }
 954
 955
 956         netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 0);
 957         __netconfig_set_wifi_bssid();
 958
 959         wifi_complete_load_driver(wifi, context);
 960         return TRUE;
 961 }
 962
 963 gboolean handle_remove_driver(Wifi *wifi, GDBusMethodInvocation *context)
 964 {
 965         int err;
 966
 967         DBG("Wi-Fi power off requested");
 968
 969         g_return_val_if_fail(wifi != NULL, FALSE);
 970
 971         err = wifi_power_off();
 972         if (err < 0) {
 973                 if (err == -EINPROGRESS)
 974                         netconfig_error_inprogress(context);
 975                 else if (err == -EALREADY)
 976                         netconfig_error_already_exists(context);
 977                 else if (err == -EPERM)
 978                         netconfig_error_permission_denied(context);
 979                 else
 980                         netconfig_error_wifi_driver_failed(context);
 981                 return TRUE;
 982         }
 983
 984         netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 0);
 985
 986         wifi_complete_remove_driver(wifi, context);
 987         return TRUE;
 988 }
 989
 990 gboolean handle_load_p2p_driver(Wifi *wifi, GDBusMethodInvocation *context)
 991 {
 992         ERR("Deprecated");
 993
 994         wifi_complete_load_p2p_driver(wifi, context);
 995         return TRUE;
 996 }
 997
 998 gboolean handle_remove_p2p_driver(Wifi *wifi, GDBusMethodInvocation *context)
 999 {
1000         ERR("Deprecated");
1001
1002         wifi_complete_remove_p2p_driver(wifi, context);
1003         return TRUE;
1004 }
1005
1006 static int __netconfig_get_random_mac(unsigned char *mac_buf, int mac_len)
1007 {
1008         DBG("Generate Random Mac address of ethernet");
1009         FILE *fp;
1010         int rc;
1011
1012         fp = fopen(OS_RANDOM_FILE, "rb");
1013
1014         if (fp == NULL) {
1015                 ERR("Could not open /dev/urandom");
1016                 return -1;
1017         }
1018         rc = fread(mac_buf, 1, mac_len, fp);
1019         if (fp)
1020                 fclose(fp);
1021
1022         return rc != mac_len ? -1 : 0;
1023 }
1024
1025 void __netconfig_set_ether_macaddr()
1026 {
1027         DBG("Set wired Mac address ");
1028         char *mac_addr = NULL;
1029         char rand_addr[WLAN_MAC_ADDR_MAX];
1030         int rv = -1;
1031
1032         mac_addr = vconf_get_str(VCONF_ETH_MAC_ADDRESS);
1033         if (mac_addr == NULL) {
1034                 DBG("vconf_get_str Failed\n");
1035                 return;
1036         }
1037         /* Checking Invalid MAC Address */
1038         if ((strlen(mac_addr) == 0)) {
1039                 ERR("Failed to get valid MAC Address from vconf");
1040                 /*Generate the Random Mac address*/
1041                 unsigned char rand_mac_add[ETH_MAC_ADDR_SIZE+1];
1042
1043                 if (__netconfig_get_random_mac(rand_mac_add, ETH_MAC_ADDR_SIZE) == -1) {
1044
1045                         ERR("Could not generate the Random Mac address");
1046                         free(mac_addr);
1047                         return;
1048                 }
1049
1050                 rand_mac_add[0] &= 0xFE; /*Clear multicase bit*/
1051                 rand_mac_add[0] |= 0x02; /*set local assignment bit*/
1052
1053                 /*Set the Mac address in Vconf*/
1054                 snprintf(rand_addr, WLAN_MAC_ADDR_MAX, "%x:%x:%x:%x:%x:%x",
1055                                 rand_mac_add[0], rand_mac_add[1],
1056                                 rand_mac_add[2], rand_mac_add[3],
1057                                 rand_mac_add[4], rand_mac_add[5]);
1058
1059                 netconfig_set_vconf_str(VCONF_ETH_MAC_ADDRESS, rand_addr);
1060         } else { /* Valid MAC address */
1061                 strncpy(rand_addr, mac_addr, strlen(mac_addr));
1062                 rand_addr[strlen(mac_addr)] = '\0';
1063         }
1064
1065         DBG("MAC Address of eth0 [%s]", rand_addr);
1066         const char *path = NET_EXEC_PATH;
1067         char *const args[] = { "/sbin/ifconfig", "eth0", "hw",
1068                 "ether", rand_addr, "up", NULL};
1069         char *const envs[] = { NULL };
1070         rv = netconfig_execute_file(path, args, envs);
1071
1072         if (rv < 0)
1073                 ERR("Unable to execute system command");
1074         free(mac_addr);
1075
1076 }