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