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