Bug fix: remove unused signal
[platform/core/api/tethering.git] / src / tethering.c
index a7ad287..2f577de 100755 (executable)
 #include <openssl/evp.h>
 #include <openssl/sha.h>
 #include <ckmc/ckmc-manager.h>
+#include <tzplatform_config.h>
 #include "tethering_private.h"
 
-#define ALLOWED_LIST   "/etc/hostapd.accept"
-#define BLOCKED_LIST   "/etc/hostapd.deny"
-#define TEMP_LIST      "/etc/hostapd_tmp"
+#define ALLOWED_LIST   tzplatform_mkpath(TZ_SYS_VAR, "/lib/hostapd/hostapd.accept")
+#define BLOCKED_LIST   tzplatform_mkpath(TZ_SYS_VAR, "/lib/hostapd/hostapd.deny")
+#define TEMP_LIST      tzplatform_mkpath(TZ_SYS_VAR, "/lib/hostapd/.hostapd_tmp")
 #define MAC_ADDR_LEN   18
 #define MAX_BUF_SIZE   80
 
+#define IPTABLES        "/usr/sbin/iptables"
+#define TABLE_NAT       "nat"
+#define TETH_NAT_PRE        "teth_nat_pre"
+#define TABLE_FILTER        "filter"
+#define TETH_FILTER_FW      "teth_filter_fw"
+#define ACTION_DROP     "DROP"
+#define ACTION_ACCEPT       "ACCEPT"
+#define PORT_FORWARD_RULE_STR   "-t %s -A %s -i %s -p %s -d %s --dport %d -j DNAT --to %s:%d"
+#define FILTERING_MULTIPORT_RULE_STR    "-t %s -A %s -p %s -m multiport --dport %d,%d -j %s"
+#define FILTERING_RULE_STR  "-t %s -A %s -p %s --dport %d -j %s"
+
+static GSList *allowed_list = NULL;
+static GSList *blocked_list = NULL;
+static GSList *port_forwarding = NULL;
+static GSList *port_filtering = NULL;
+static GSList *custom_port_filtering = NULL;
+
 static void __handle_wifi_tether_on(GDBusConnection *connection, const gchar *sender_name,
                        const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
                        GVariant *parameters, gpointer user_data);
@@ -107,15 +125,14 @@ static __tethering_sig_t sigs[] = {
        {0, SIGNAL_NAME_SECURITY_TYPE_CHANGED, __handle_security_type_changed},
        {0, SIGNAL_NAME_SSID_VISIBILITY_CHANGED, __handle_ssid_visibility_changed},
        {0, SIGNAL_NAME_PASSPHRASE_CHANGED, __handle_passphrase_changed},
-       {0, SIGNAL_NAME_DHCP_STATUS, __handle_dhcp},
-       {0, "", NULL} };
+       {0, SIGNAL_NAME_DHCP_STATUS, __handle_dhcp} };
 
 static int retry = 0;
 
 static void __send_dbus_signal(GDBusConnection *conn, const char *signal_name, const char *arg)
 {
        if (conn == NULL || signal_name == NULL)
-               return;
+               return; //LCOV_EXCL_LINE
 
        GVariant *message = NULL;
        GError *error = NULL;
@@ -126,8 +143,8 @@ static void __send_dbus_signal(GDBusConnection *conn, const char *signal_name, c
        g_dbus_connection_emit_signal(conn, NULL, TETHERING_SERVICE_OBJECT_PATH,
                                        TETHERING_SERVICE_INTERFACE, signal_name, message, &error);
        if (error) {
-               ERR("g_dbus_connection_emit_signal is failed because  %s\n", error->message);
-               g_error_free(error);
+               ERR("g_dbus_connection_emit_signal is failed because  %s\n", error->message); //LCOV_EXCL_LINE
+               g_error_free(error); //LCOV_EXCL_LINE
        }
        g_variant_unref(message);
 }
@@ -145,7 +162,8 @@ static bool __any_tethering_is_enabled(tethering_h tethering)
 static tethering_error_e __set_security_type(const tethering_wifi_security_type_e security_type)
 {
        if (security_type != TETHERING_WIFI_SECURITY_TYPE_NONE &&
-                       security_type != TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK) {
+                       security_type != TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK &&
+                       security_type != TETHERING_WIFI_SECURITY_TYPE_WPS) {
                ERR("Invalid param\n");
                return TETHERING_ERROR_INVALID_PARAMETER;
        }
@@ -253,9 +271,11 @@ static tethering_error_e __get_error(int agent_error)
                err = TETHERING_ERROR_NONE;
                break;
 
+       //LCOV_EXCL_START
        case MOBILE_AP_ERROR_RESOURCE:
                err = TETHERING_ERROR_OUT_OF_MEMORY;
                break;
+       //LCOV_EXCL_STOP
 
        case MOBILE_AP_ERROR_INTERNAL:
                err = TETHERING_ERROR_OPERATION_FAILED;
@@ -289,6 +309,7 @@ static tethering_error_e __get_error(int agent_error)
                err = TETHERING_ERROR_OPERATION_FAILED;
                break;
 
+       //LCOV_EXCL_START
        case MOBILE_AP_ERROR_NOT_PERMITTED:
                err = TETHERING_ERROR_NOT_PERMITTED;
                break;
@@ -296,7 +317,7 @@ static tethering_error_e __get_error(int agent_error)
        case MOBILE_AP_ERROR_PERMISSION_DENIED:
                err = TETHERING_ERROR_PERMISSION_DENIED;
                break;
-
+       //LCOV_EXCL_STOP
        default:
                ERR("Not defined error : %d\n", agent_error);
                err = TETHERING_ERROR_OPERATION_FAILED;
@@ -306,6 +327,7 @@ static tethering_error_e __get_error(int agent_error)
        return err;
 }
 
+//LCOV_EXCL_START
 static void __handle_dhcp(GDBusConnection *connection, const gchar *sender_name,
                const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
                GVariant *parameters, gpointer user_data)
@@ -371,7 +393,9 @@ DONE:
        g_free(name);
        DBG("-\n");
 }
+//LCOV_EXCL_STOP
 
+//LCOV_EXCL_START
 static void __handle_net_closed(GDBusConnection *connection, const gchar *sender_name,
                const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
                GVariant *parameters, gpointer user_data)
@@ -397,6 +421,7 @@ static void __handle_net_closed(GDBusConnection *connection, const gchar *sender
 
        DBG("-\n");
 }
+//LCOV_EXCL_STOP
 
 static void __handle_wifi_tether_on(GDBusConnection *connection, const gchar *sender_name,
                        const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
@@ -452,6 +477,7 @@ static void __handle_wifi_tether_off(GDBusConnection *connection, const gchar *s
        DBG("-\n");
 }
 
+//LCOV_EXCL_START
 static void __handle_usb_tether_on(GDBusConnection *connection, const gchar *sender_name,
                        const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
                        GVariant *parameters, gpointer user_data)
@@ -503,6 +529,7 @@ static void __handle_usb_tether_off(GDBusConnection *connection, const gchar *se
        g_free(buf);
        DBG("-\n");
 }
+//LCOV_EXCL_STOP
 
 static void __handle_bt_tether_on(GDBusConnection *connection, const gchar *sender_name,
                        const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
@@ -558,6 +585,7 @@ static void __handle_bt_tether_off(GDBusConnection *connection, const gchar *sen
        DBG("-\n");
 }
 
+//LCOV_EXCL_START
 static void __handle_no_data_timeout(GDBusConnection *connection, const gchar *sender_name,
                        const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
                        GVariant *parameters, gpointer user_data)
@@ -632,6 +660,7 @@ static void __handle_flight_mode(GDBusConnection *connection, const gchar *sende
        }
        DBG("-\n");
 }
+//LCOV_EXCL_STOP
 
 static void __handle_security_type_changed(GDBusConnection *connection, const gchar *sender_name,
                const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
@@ -658,6 +687,8 @@ static void __handle_security_type_changed(GDBusConnection *connection, const gc
                security_type = TETHERING_WIFI_SECURITY_TYPE_NONE;
        else if (g_strcmp0(buf, TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK_STR) == 0)
                security_type = TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK;
+       else if (g_strcmp0(buf, TETHERING_WIFI_SECURITY_TYPE_WPS_STR) == 0)
+               security_type = TETHERING_WIFI_SECURITY_TYPE_WPS;
        else {
                SERR("Unknown type : %s\n", buf);
                g_free(buf);
@@ -723,7 +754,7 @@ static void __handle_passphrase_changed(GDBusConnection *connection, const gchar
 static void __wifi_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                gpointer user_data)
 {
-       DBG("+\n");
+       INFO("+\n");
 
        _retm_if(user_data == NULL, "parameter(user_data) is NULL\n");
        GError *g_error = NULL;
@@ -736,6 +767,7 @@ static void __wifi_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
 
        g_var  = g_dbus_proxy_call_finish(th->client_bus_proxy, res, &g_error);
        if (g_error) {
+               //LCOV_EXCL_START
                ERR("DBus error [%s]\n", g_error->message);
                if (g_error->code == G_DBUS_ERROR_NO_REPLY &&
                                ++retry < TETHERING_ERROR_RECOVERY_MAX) {
@@ -747,24 +779,27 @@ static void __wifi_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                else
                        error = TETHERING_ERROR_OPERATION_FAILED;
                g_error_free(g_error);
+               //LCOV_EXCL_STOP
        } else {
                g_variant_get(g_var, "(u)", &info);
                error = __get_error(info);
        }
        retry = 0;
 
+       INFO("cfm event : wifi tethering enable info : %d\n", error);
+
        sigs[E_SIGNAL_WIFI_TETHER_ON].sig_id = g_dbus_connection_signal_subscribe(th->client_bus,
                        NULL, TETHERING_SERVICE_INTERFACE, sigs[E_SIGNAL_WIFI_TETHER_ON].name,
                        TETHERING_SERVICE_OBJECT_PATH, NULL, G_DBUS_SIGNAL_FLAGS_NONE,
                        sigs[E_SIGNAL_WIFI_TETHER_ON].cb, (gpointer)th, NULL);
 
        if (!ecb) {
-               DBG("-\n");
+               INFO("-\n");
                return;
        }
        ecb(error, TETHERING_TYPE_WIFI, true, data);
        g_variant_unref(g_var);
-       DBG("-\n");
+       INFO("-\n");
 }
 
 static void __bt_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
@@ -783,6 +818,7 @@ static void __bt_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
 
        g_var  = g_dbus_proxy_call_finish(th->client_bus_proxy, res, &g_error);
        if (g_error) {
+               //LCOV_EXCL_START
                ERR("DBus error [%s]\n", g_error->message);
                if (g_error->code == G_DBUS_ERROR_NO_REPLY &&
                                ++retry < TETHERING_ERROR_RECOVERY_MAX) {
@@ -796,6 +832,7 @@ static void __bt_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                else
                        error = TETHERING_ERROR_OPERATION_FAILED;
                g_error_free(g_error);
+               //LCOV_EXCL_STOP
        } else {
                g_variant_get(g_var, "(u)", &info);
                g_variant_unref(g_var);
@@ -817,6 +854,7 @@ static void __bt_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
        DBG("-\n");
 }
 
+//LCOV_EXCL_START
 static void __usb_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                                        gpointer user_data)
 {
@@ -866,11 +904,12 @@ static void __usb_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
        ecb(error, TETHERING_TYPE_USB, true, data);
        DBG("-\n");
 }
+//LCOV_EXCL_STOP
 
 static void __disabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                gpointer user_data)
 {
-       DBG("+\n");
+       INFO("+\n");
 
        _retm_if(user_data == NULL, "parameter(user_data) is NULL\n");
        GError *g_error = NULL;
@@ -886,15 +925,17 @@ static void __disabled_cfm_cb(GObject *source_object, GAsyncResult *res,
 
        g_var  = g_dbus_proxy_call_finish(th->client_bus_proxy, res, &g_error);
        if (g_error) {
+               //LCOV_EXCL_START
                ERR("DBus error [%s]\n", g_error->message);
                g_error_free(g_error);
                return;
+               //LCOV_EXCL_STOP
        }
        g_variant_get(g_var, "(uu)", &event_type, &info);
-       DBG("cfm event : %d info : %d\n", event_type, info);
+       INFO("cfm event : %d info : %d\n", event_type, info);
        g_variant_unref(g_var);
        error = __get_error(info);
-       DBG("cfm event : %d info : %d\n", event_type, error);
+       INFO("cfm event : %d info : %d\n", event_type, error);
        switch (event_type) {
        case MOBILE_AP_DISABLE_WIFI_TETHERING_CFM:
                sigs[E_SIGNAL_WIFI_TETHER_OFF].sig_id = g_dbus_connection_signal_subscribe(th->client_bus,
@@ -922,6 +963,7 @@ static void __disabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                        dcb(error, type, code, data);
                break;
 
+       //LCOV_EXCL_START
        case MOBILE_AP_DISABLE_USB_TETHERING_CFM:
                sigs[E_SIGNAL_USB_TETHER_OFF].sig_id = g_dbus_connection_signal_subscribe(th->client_bus,
                                NULL, TETHERING_SERVICE_INTERFACE, sigs[E_SIGNAL_USB_TETHER_OFF].name,
@@ -934,6 +976,7 @@ static void __disabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                if (dcb)
                        dcb(error, type, code, data);
                break;
+       //LCOV_EXCL_STOP
 
        case MOBILE_AP_DISABLE_CFM:
 
@@ -964,7 +1007,7 @@ static void __disabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                ERR("Invalid event\n");
                break;
        }
-       DBG("-\n");
+       INFO("-\n");
 }
 
 static void __get_data_usage_cb(GObject *source_object, GAsyncResult *res,
@@ -984,6 +1027,7 @@ static void __get_data_usage_cb(GObject *source_object, GAsyncResult *res,
 
        g_var = g_dbus_proxy_call_finish(th->client_bus_proxy, res, &g_error);
        if (g_error) {
+               //LCOV_EXCL_START
                ERR("DBus fail [%s]\n", g_error->message);
                if (g_error->code == G_DBUS_ERROR_ACCESS_DENIED)
                        tethering_error = TETHERING_ERROR_PERMISSION_DENIED;
@@ -991,6 +1035,7 @@ static void __get_data_usage_cb(GObject *source_object, GAsyncResult *res,
                        tethering_error = TETHERING_ERROR_OPERATION_FAILED;
 
                flag = true;
+               //LCOV_EXCL_STOP
        }
        if (th->data_usage_cb == NULL) {
                ERR("There is no data_usage_cb\n");
@@ -1088,10 +1133,11 @@ static bool __get_intf_name(tethering_type_e type, char *buf, unsigned int len)
        _retvm_if(buf == NULL, false, "parameter(buf) is NULL\n");
 
        switch (type) {
+       //LCOV_EXCL_START
        case TETHERING_TYPE_USB:
                g_strlcpy(buf, TETHERING_USB_IF, len);
                break;
-
+       //LCOV_EXCL_STOP
        case TETHERING_TYPE_WIFI:
                g_strlcpy(buf, TETHERING_WIFI_IF, len);
                break;
@@ -1134,7 +1180,7 @@ static bool __get_gateway_addr(tethering_type_e type, char *buf, unsigned int le
 static int __get_common_ssid(char *ssid, unsigned int size)
 {
        if (ssid == NULL) {
-               ERR("ssid is null\n");
+               ERR("ssid is null\n"); //LCOV_EXCL_LINE
                return TETHERING_ERROR_INVALID_PARAMETER;
        }
 
@@ -1182,7 +1228,7 @@ static bool __get_wifi_mode_type(tethering_wifi_mode_type_e type, char **buf)
 
 static int __prepare_wifi_settings(tethering_h tethering, _softap_settings_t *set)
 {
-       DBG("+\n");
+       INFO("+\n");
 
        __tethering_h *th = (__tethering_h *)tethering;
        tethering_error_e ret = TETHERING_ERROR_NONE;
@@ -1207,6 +1253,7 @@ static int __prepare_wifi_settings(tethering_h tethering, _softap_settings_t *se
                set->visibility = th->visibility;
 
        set->mac_filter = th->mac_filter;
+       set->max_connected = th->wifi_max_connected;
        set->channel = th->channel;
 
        __get_wifi_mode_type(th->mode_type, &ptr);
@@ -1230,6 +1277,7 @@ static int __prepare_wifi_settings(tethering_h tethering, _softap_settings_t *se
                                NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
 
                if (error) {
+                       //LCOV_EXCL_START
                        ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
 
                        if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
@@ -1239,6 +1287,7 @@ static int __prepare_wifi_settings(tethering_h tethering, _softap_settings_t *se
 
                        g_error_free(error);
                        return ret;
+                       //LCOV_EXCL_STOP
                }
 
                if (parameters != NULL) {
@@ -1248,7 +1297,11 @@ static int __prepare_wifi_settings(tethering_h tethering, _softap_settings_t *se
 
                g_strlcpy(set->key, passphrase, sizeof(set->key));
        }
-       DBG("-\n");
+
+       INFO("ssid: %s security: %d mode: %s channel: %d visibility: %s\n",
+                set->ssid, set->sec_type, set->mode, set->channel,
+                (set->visibility) ? "true" : "false");
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
@@ -1261,21 +1314,30 @@ static bool __check_precondition(tethering_type_e type)
        /* data network through cellular */
        vconf_get_int(VCONFKEY_NETWORK_CELLULAR_STATE, &cellular_state);
        if (cellular_state == VCONFKEY_NETWORK_CELLULAR_ON) {
-               ERR("Data Network can be connected later");
+               INFO("Data Network can be connected later");
                return TRUE;
        }
 
+#ifdef TIZEN_TV_EXT
+       /* data network through ethernet */
+       vconf_get_int(VCONFKEY_NETWORK_STATUS, &dnet_state);
+       if (dnet_state == VCONFKEY_NETWORK_ETHERNET) {
+               INFO("Data Network is connected");
+               return TRUE;
+       }
+#else
        vconf_get_int(VCONFKEY_DNET_STATE, &dnet_state);
        if (dnet_state > VCONFKEY_DNET_OFF) {
-               ERR("Data Network is connected");
+               INFO("Data Network is connected");
                return TRUE;
        }
+#endif/*TIZEN_TV_EXT*/
 
        /* data network through wifi */
        if (type != TETHERING_TYPE_WIFI) {
                vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state);
                if (wifi_state > VCONFKEY_WIFI_UNCONNECTED) {
-                       ERR("Wi-Fi is connected!");
+                       INFO("Wi-Fi is connected!");
                        return TRUE;
                }
        }
@@ -1304,7 +1366,7 @@ API int tethering_create(tethering_h *tethering)
        CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
-       DBG("+\n");
+       INFO("+\n");
 
        __tethering_h *th = NULL;
        GError *error = NULL;
@@ -1320,16 +1382,18 @@ API int tethering_create(tethering_h *tethering)
        th->mac_filter = false;
        th->channel = 6;
        th->mode_type = TETHERING_WIFI_MODE_TYPE_G;
+       th->wifi_max_connected = TETHERING_WIFI_MAX_STA;
+       th->change_mac = false;
 
        if (__generate_initial_passphrase(th->passphrase,
                        sizeof(th->passphrase)) == 0) {
-               ERR("random passphrase generation failed\n");
+               ERR("random passphrase generation failed\n"); //LCOV_EXCL_LINE
                free(th);
                return TETHERING_ERROR_OPERATION_FAILED;
        }
 
        if (__get_common_ssid(ssid, sizeof(ssid)) != TETHERING_ERROR_NONE) {
-               ERR("common ssid get failed\n");
+               ERR("common ssid get failed\n"); //LCOV_EXCL_LINE
                free(th);
                return TETHERING_ERROR_OPERATION_FAILED;
        }
@@ -1340,12 +1404,14 @@ API int tethering_create(tethering_h *tethering)
        GCancellable *cancellable = g_cancellable_new();
        th->client_bus = g_bus_get_sync(DBUS_BUS_SYSTEM, cancellable, &error);
        if (error) {
+               //LCOV_EXCL_START
                ERR("Couldn't connect to the System bus[%s]", error->message);
                g_error_free(error);
                g_cancellable_cancel(cancellable);
                g_object_unref(cancellable);
                free(th);
                return TETHERING_ERROR_OPERATION_FAILED;
+               //LCOV_EXCL_STOP
        }
        th->cancellable = cancellable;
 
@@ -1353,6 +1419,7 @@ API int tethering_create(tethering_h *tethering)
                        NULL, TETHERING_SERVICE_NAME, TETHERING_SERVICE_OBJECT_PATH,
                        TETHERING_SERVICE_INTERFACE, th->cancellable, &error);
        if (!th->client_bus_proxy) {
+               //LCOV_EXCL_START
                if (error)
                        ERR("Couldn't create the proxy object because of %s\n", error->message);
                g_cancellable_cancel(th->cancellable);
@@ -1360,13 +1427,14 @@ API int tethering_create(tethering_h *tethering)
                g_object_unref(th->client_bus);
                free(th);
                return TETHERING_ERROR_OPERATION_FAILED;
+               //LCOV_EXCL_STOP
        }
 
        __connect_signals((tethering_h)th);
 
        *tethering = (tethering_h)th;
-       DBG("Tethering Handle : 0x%X\n", th);
-       DBG("-\n");
+       INFO("Tethering Handle : 0x%X\n", th);
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
@@ -1384,14 +1452,22 @@ API int tethering_create(tethering_h *tethering)
  */
 API int tethering_destroy(tethering_h tethering)
 {
-       DBG("+\n");
+       INFO("+\n");
        CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
 
+       GVariant *result = NULL;
        __tethering_h *th = (__tethering_h *)tethering;
 
-       DBG("Tethering Handle : 0x%X\n", th);
+       INFO("Tethering Handle : 0x%X\n", th);
+
+       if (th->change_mac) {
+               result = g_dbus_proxy_call_sync(th->client_bus_proxy, "reset_mac", NULL,
+                               G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL);
+               g_variant_unref(result);
+       }
+
        __disconnect_signals(tethering);
 
        if (th->ssid)
@@ -1403,7 +1479,7 @@ API int tethering_destroy(tethering_h tethering)
        memset(th, 0x00, sizeof(__tethering_h));
        free(th);
 
-       DBG("-\n");
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
@@ -1424,7 +1500,7 @@ API int tethering_destroy(tethering_h tethering)
  */
 API int tethering_enable(tethering_h tethering, tethering_type_e type)
 {
-       DBG("+ type :  %d\n", type);
+       INFO("+ type :  %d\n", type);
        CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
        if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
        else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
@@ -1441,11 +1517,14 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
        g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_INFINITE);
 
        if (__check_precondition(type) == FALSE) {
-               DBG("-\n");
+               //LCOV_EXCL_START
+               INFO("-\n");
                return TETHERING_ERROR_OPERATION_FAILED;
+               //LCOV_EXCL_STOP
        }
 
        switch (type) {
+       //LCOV_EXCL_START
        case TETHERING_TYPE_USB:
                g_dbus_connection_signal_unsubscribe(connection,
                                sigs[E_SIGNAL_USB_TETHER_ON].sig_id);
@@ -1454,6 +1533,7 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
                                G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
                                (GAsyncReadyCallback) __usb_enabled_cfm_cb, (gpointer)tethering);
                break;
+       //LCOV_EXCL_STOP
 
        case TETHERING_TYPE_WIFI: {
                _softap_settings_t set = {"", "", "", 0, false};
@@ -1468,7 +1548,7 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
                                sigs[E_SIGNAL_WIFI_TETHER_ON].sig_id);
 
                g_dbus_proxy_call(proxy, "enable_wifi_tethering",
-                               g_variant_new("(sssiiii)", set.ssid, set.key, set.mode, set.channel, set.visibility, set.mac_filter, set.sec_type),
+                               g_variant_new("(sssiiiiii)", set.ssid, set.key, set.mode, set.channel, set.visibility, set.mac_filter, set.max_connected, set.sec_type, TETHERING_ADDRESS_FAMILY_IPV4),
                                G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
                                (GAsyncReadyCallback) __wifi_enabled_cfm_cb, (gpointer)tethering);
                break;
@@ -1484,6 +1564,7 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
 
                break;
 
+       //LCOV_EXCL_START
        case TETHERING_TYPE_ALL: {
                _softap_settings_t set = {"", "", "", 0, false};
 
@@ -1518,6 +1599,7 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
                                G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
                                (GAsyncReadyCallback) __bt_enabled_cfm_cb, (gpointer)tethering);
                break;
+               //LCOV_EXCL_STOP
        }
        default:
                ERR("Unknown type : %d\n", type);
@@ -1529,10 +1611,124 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
        }
 
        g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_USE_DEFAULT);
+       INFO("-\n");
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_ipv6_enable(tethering_h tethering, tethering_type_e type)
+{
+       DBG("+ type :  %d\n", type);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+
+       __tethering_h *th = (__tethering_h *)tethering;
+       GDBusProxy *proxy = th->client_bus_proxy;
+       GDBusConnection *connection = th->client_bus;
+       int ret = 0;
+
+       g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_INFINITE);
+
+       if (__check_precondition(type) == FALSE) {
+               //LCOV_EXCL_START
+               DBG("-\n");
+               return TETHERING_ERROR_OPERATION_FAILED;
+               //LCOV_EXCL_STOP
+       }
+
+       switch (type) {
+       //LCOV_EXCL_START
+       case TETHERING_TYPE_WIFI: {
+               _softap_settings_t set = {"", "", "", 0, false, false, 0, 0};
+
+               ret = __prepare_wifi_settings(tethering, &set);
+               if (ret != TETHERING_ERROR_NONE) {
+                       ERR("softap settings initialization failed\n");
+                       DBG("-\n");
+                       return TETHERING_ERROR_OPERATION_FAILED;
+               }
+               g_dbus_connection_signal_unsubscribe(connection,
+                               sigs[E_SIGNAL_WIFI_TETHER_ON].sig_id);
+                       g_dbus_proxy_call(proxy, "enable_wifi_tethering",
+                               g_variant_new("(sssiiiiii)", set.ssid, set.key, set.mode, set.channel, set.visibility, set.mac_filter, set.max_connected, set.sec_type, TETHERING_ADDRESS_FAMILY_IPV6),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __wifi_enabled_cfm_cb, (gpointer)tethering);
+               break;
+        }
+       case TETHERING_TYPE_BT: {
+               g_dbus_connection_signal_unsubscribe(connection,
+                               sigs[E_SIGNAL_BT_TETHER_ON].sig_id);
+
+               /* For TEST */
+               g_dbus_proxy_call(proxy, "enable_bt_tethering", g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV6),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __bt_enabled_cfm_cb, (gpointer)tethering);
+
+               break;
+       }
+
+       default: {
+               ERR("Unknown type : %d\n", type);
+
+               g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_USE_DEFAULT);
+
+               DBG("-\n");
+               return TETHERING_ERROR_INVALID_PARAMETER;
+       }
+       }
+
+       g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_USE_DEFAULT);
        DBG("-\n");
        return TETHERING_ERROR_NONE;
 }
 
+API int tethering_ipv6_disable(tethering_h tethering, tethering_type_e type)
+{
+       DBG("+ type :  %d\n", type);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+
+       __tethering_h *th = (__tethering_h *)tethering;
+       GDBusProxy *proxy = th->client_bus_proxy;
+       GDBusConnection *connection = th->client_bus;
+
+       switch (type) {
+       case TETHERING_TYPE_WIFI:
+               DBG("Disable wifi tethering..");
+               g_dbus_connection_signal_unsubscribe(connection,
+                               sigs[E_SIGNAL_WIFI_TETHER_OFF].sig_id);
+
+               g_dbus_proxy_call(proxy, "disable_wifi_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV6),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+               break;
+       case TETHERING_TYPE_BT:
+               g_dbus_connection_signal_unsubscribe(connection,
+                               sigs[E_SIGNAL_BT_TETHER_OFF].sig_id);
+
+               g_dbus_proxy_call(proxy, "disable_bt_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV6), G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+               break;
+
+       default:
+               ERR("Not supported tethering type [%d]\n", type);
+               DBG("-\n");
+               return TETHERING_ERROR_INVALID_PARAMETER;
+       }
+       DBG("-\n");
+       return TETHERING_ERROR_NONE;
+}
 /**
  * @internal
  * @brief Disables the tethering, asynchronously.
@@ -1550,10 +1746,11 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
  */
 API int tethering_disable(tethering_h tethering, tethering_type_e type)
 {
-       DBG("+ type :  %d\n", type);
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       INFO("+ type :  %d\n", type);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -1621,7 +1818,7 @@ API int tethering_disable(tethering_h tethering, tethering_type_e type)
                DBG("-\n");
                return TETHERING_ERROR_INVALID_PARAMETER;
        }
-       DBG("-\n");
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
@@ -1637,6 +1834,7 @@ API int tethering_disable(tethering_h tethering, tethering_type_e type)
  */
 API bool tethering_is_enabled(tethering_h tethering, tethering_type_e type)
 {
+       INFO("+ type :  %d\n", type);
        int is_on = 0;
        int vconf_type = VCONFKEY_MOBILE_HOTSPOT_MODE_NONE;
 
@@ -1662,6 +1860,7 @@ API bool tethering_is_enabled(tethering_h tethering, tethering_type_e type)
                ERR("Not supported type : %d\n", type);
                break;
        }
+       INFO("- enabled:  %s\n", (is_on & vconf_type) ? "true" : "false");
        return is_on & vconf_type ? true : false;
 }
 
@@ -1687,9 +1886,10 @@ API bool tethering_is_enabled(tethering_h tethering, tethering_type_e type)
  */
 API int tethering_get_mac_address(tethering_h tethering, tethering_type_e type, char **mac_address)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering_is_enabled(tethering, type) == false,
                        TETHERING_ERROR_NOT_ENABLED,
@@ -1755,9 +1955,10 @@ API int tethering_get_mac_address(tethering_h tethering, tethering_type_e type,
  */
 API int tethering_get_network_interface_name(tethering_h tethering, tethering_type_e type, char **interface_name)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering_is_enabled(tethering, type) == false,
                        TETHERING_ERROR_NOT_ENABLED,
@@ -1802,10 +2003,10 @@ API int tethering_get_network_interface_name(tethering_h tethering, tethering_ty
  */
 API int tethering_get_ip_address(tethering_h tethering, tethering_type_e type, tethering_address_family_e address_family, char **ip_address)
 {
-
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering_is_enabled(tethering, type) == false,
                        TETHERING_ERROR_NOT_ENABLED,
@@ -1864,10 +2065,10 @@ API int tethering_get_ip_address(tethering_h tethering, tethering_type_e type, t
  */
 API int tethering_get_gateway_address(tethering_h tethering, tethering_type_e type, tethering_address_family_e address_family, char **gateway_address)
 {
-
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering_is_enabled(tethering, type) == false,
                        TETHERING_ERROR_NOT_ENABLED,
@@ -1911,9 +2112,10 @@ API int tethering_get_gateway_address(tethering_h tethering, tethering_type_e ty
  */
 API int tethering_get_subnet_mask(tethering_h tethering, tethering_type_e type, tethering_address_family_e address_family, char **subnet_mask)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering_is_enabled(tethering, type) == false,
                        TETHERING_ERROR_NOT_ENABLED,
@@ -1992,10 +2194,10 @@ API int tethering_get_data_usage(tethering_h tethering, tethering_data_usage_cb
  */
 API int tethering_foreach_connected_clients(tethering_h tethering, tethering_type_e type, tethering_connected_client_cb callback, void *user_data)
 {
-       DBG("+\n");
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2108,9 +2310,11 @@ API int tethering_foreach_connected_clients(tethering_h tethering, tethering_typ
  */
 API int tethering_set_enabled_cb(tethering_h tethering, tethering_type_e type, tethering_enabled_cb callback, void *user_data)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       INFO("+ type: %d\n", type);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2133,6 +2337,7 @@ API int tethering_set_enabled_cb(tethering_h tethering, tethering_type_e type, t
                th->enabled_user_data[ti] = user_data;
        }
 
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
@@ -2150,9 +2355,10 @@ API int tethering_set_enabled_cb(tethering_h tethering, tethering_type_e type, t
  */
 API int tethering_unset_enabled_cb(tethering_h tethering, tethering_type_e type)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2192,9 +2398,11 @@ API int tethering_unset_enabled_cb(tethering_h tethering, tethering_type_e type)
  */
 API int tethering_set_disabled_cb(tethering_h tethering, tethering_type_e type, tethering_disabled_cb callback, void *user_data)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       INFO("+ type: %d\n", type);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2216,7 +2424,7 @@ API int tethering_set_disabled_cb(tethering_h tethering, tethering_type_e type,
                th->disabled_cb[ti] = callback;
                th->disabled_user_data[ti] = user_data;
        }
-
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
@@ -2234,9 +2442,10 @@ API int tethering_set_disabled_cb(tethering_h tethering, tethering_type_e type,
  */
 API int tethering_unset_disabled_cb(tethering_h tethering, tethering_type_e type)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2276,9 +2485,11 @@ API int tethering_unset_disabled_cb(tethering_h tethering, tethering_type_e type
  */
 API int tethering_set_connection_state_changed_cb(tethering_h tethering, tethering_type_e type, tethering_connection_state_changed_cb callback, void *user_data)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       INFO("+ type: %d\n", type);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2300,7 +2511,7 @@ API int tethering_set_connection_state_changed_cb(tethering_h tethering, tetheri
                th->changed_cb[ti] = callback;
                th->changed_user_data[ti] = user_data;
        }
-
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
@@ -2318,9 +2529,10 @@ API int tethering_set_connection_state_changed_cb(tethering_h tethering, tetheri
  */
 API int tethering_unset_connection_state_changed_cb(tethering_h tethering, tethering_type_e type)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2359,7 +2571,8 @@ API int tethering_unset_connection_state_changed_cb(tethering_h tethering, tethe
  */
 API int tethering_wifi_set_security_type_changed_cb(tethering_h tethering, tethering_wifi_security_type_changed_cb callback, void *user_data)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2389,7 +2602,8 @@ API int tethering_wifi_set_security_type_changed_cb(tethering_h tethering, tethe
  */
 API int tethering_wifi_unset_security_type_changed_cb(tethering_h tethering)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2417,7 +2631,8 @@ API int tethering_wifi_unset_security_type_changed_cb(tethering_h tethering)
  */
 API int tethering_wifi_set_ssid_visibility_changed_cb(tethering_h tethering, tethering_wifi_ssid_visibility_changed_cb callback, void *user_data)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2445,7 +2660,8 @@ API int tethering_wifi_set_ssid_visibility_changed_cb(tethering_h tethering, tet
  */
 API int tethering_wifi_unset_ssid_visibility_changed_cb(tethering_h tethering)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2473,7 +2689,8 @@ API int tethering_wifi_unset_ssid_visibility_changed_cb(tethering_h tethering)
  */
 API int tethering_wifi_set_passphrase_changed_cb(tethering_h tethering, tethering_wifi_passphrase_changed_cb callback, void *user_data)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2501,7 +2718,8 @@ API int tethering_wifi_set_passphrase_changed_cb(tethering_h tethering, tetherin
  */
 API int tethering_wifi_unset_passphrase_changed_cb(tethering_h tethering)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2531,22 +2749,33 @@ API int tethering_wifi_unset_passphrase_changed_cb(tethering_h tethering)
  */
 API int tethering_wifi_set_security_type(tethering_h tethering, tethering_wifi_security_type_e type)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
 
        __tethering_h *th = (__tethering_h *)tethering;
        tethering_error_e ret = TETHERING_ERROR_NONE;
+       char *sec_str = NULL;
 
        ret = __set_security_type(type);
        if (ret == TETHERING_ERROR_NONE) {
 
+               switch (type) {
+               case TETHERING_WIFI_SECURITY_TYPE_NONE:
+                       sec_str = TETHERING_WIFI_SECURITY_TYPE_OPEN_STR;
+                       break;
+               case TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK:
+                       sec_str = TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK_STR;
+                       break;
+               case TETHERING_WIFI_SECURITY_TYPE_WPS:
+                       sec_str = TETHERING_WIFI_SECURITY_TYPE_WPS_STR;
+                       break;
+               }
+
                __send_dbus_signal(th->client_bus,
-                               SIGNAL_NAME_SECURITY_TYPE_CHANGED,
-                               type == TETHERING_WIFI_SECURITY_TYPE_NONE ?
-                               TETHERING_WIFI_SECURITY_TYPE_OPEN_STR :
-                               TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK_STR);
+                               SIGNAL_NAME_SECURITY_TYPE_CHANGED, sec_str);
        }
        return ret;
 }
@@ -2567,7 +2796,8 @@ API int tethering_wifi_set_security_type(tethering_h tethering, tethering_wifi_s
  */
 API int tethering_wifi_get_security_type(tethering_h tethering, tethering_wifi_security_type_e *type)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(type == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(type) is NULL\n");
@@ -2592,7 +2822,8 @@ API int tethering_wifi_get_security_type(tethering_h tethering, tethering_wifi_s
  */
 API int tethering_wifi_set_ssid(tethering_h tethering, const char *ssid)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2637,7 +2868,8 @@ API int tethering_wifi_set_ssid(tethering_h tethering, const char *ssid)
  */
 API int tethering_wifi_get_ssid(tethering_h tethering, char **ssid)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2693,7 +2925,8 @@ API int tethering_wifi_get_ssid(tethering_h tethering, char **ssid)
  */
 API int tethering_wifi_set_ssid_visibility(tethering_h tethering, bool visible)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2729,7 +2962,8 @@ API int tethering_wifi_set_ssid_visibility(tethering_h tethering, bool visible)
  */
 API int tethering_wifi_get_ssid_visibility(tethering_h tethering, bool *visible)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(visible == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(visible) is NULL\n");
@@ -2754,7 +2988,8 @@ API int tethering_wifi_get_ssid_visibility(tethering_h tethering, bool *visible)
  */
 API int tethering_wifi_set_passphrase(tethering_h tethering, const char *passphrase)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2780,6 +3015,7 @@ API int tethering_wifi_set_passphrase(tethering_h tethering, const char *passphr
                        g_variant_new("(s)", passphrase), G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
 
        if (error) {
+               //LCOV_EXCL_START
                ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
 
                if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
@@ -2789,6 +3025,7 @@ API int tethering_wifi_set_passphrase(tethering_h tethering, const char *passphr
 
                g_error_free(error);
                return ret;
+               //LCOV_EXCL_STOP
        }
 
        g_variant_get(parameters, "(u)", &ret);
@@ -2821,7 +3058,8 @@ API int tethering_wifi_set_passphrase(tethering_h tethering, const char *passphr
  */
 API int tethering_wifi_get_passphrase(tethering_h tethering, char **passphrase)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2839,6 +3077,7 @@ API int tethering_wifi_get_passphrase(tethering_h tethering, char **passphrase)
                        NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
 
        if (error) {
+               //LCOV_EXCL_START
                ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
 
                if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
@@ -2848,6 +3087,7 @@ API int tethering_wifi_get_passphrase(tethering_h tethering, char **passphrase)
 
                g_error_free(error);
                return ret;
+               //LCOV_EXCL_STOP
        }
 
        if (parameters != NULL) {
@@ -2860,7 +3100,9 @@ API int tethering_wifi_get_passphrase(tethering_h tethering, char **passphrase)
 
 API int tethering_wifi_set_channel(tethering_h tethering, int channel)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
 
@@ -2872,7 +3114,9 @@ API int tethering_wifi_set_channel(tethering_h tethering, int channel)
 
 API int tethering_wifi_get_channel(tethering_h tethering, int *channel)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
 
@@ -2887,7 +3131,9 @@ API int tethering_wifi_get_channel(tethering_h tethering, int *channel)
 
 API int tethering_wifi_set_mode(tethering_h tethering, tethering_wifi_mode_type_e type)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
 
@@ -2900,7 +3146,9 @@ API int tethering_wifi_set_mode(tethering_h tethering, tethering_wifi_mode_type_
 
 API int tethering_wifi_get_mode(tethering_h tethering, tethering_wifi_mode_type_e *type)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
        _retvm_if(type == NULL, TETHERING_ERROR_INVALID_PARAMETER,
@@ -2931,7 +3179,8 @@ API int tethering_wifi_get_mode(tethering_h tethering, tethering_wifi_mode_type_
 API int tethering_wifi_reload_settings(tethering_h tethering, tethering_wifi_settings_reloaded_cb callback, void *user_data)
 
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2960,7 +3209,7 @@ API int tethering_wifi_reload_settings(tethering_h tethering, tethering_wifi_set
        th->settings_reloaded_user_data = user_data;
 
        g_dbus_proxy_call(proxy, "reload_wifi_settings",
-                       g_variant_new("(sssiiii)", set.ssid, set.key, set.mode, set.channel, set.visibility, set.mac_filter, set.sec_type),
+                       g_variant_new("(sssiiiii)", set.ssid, set.key, set.mode, set.channel, set.visibility, set.mac_filter, set.max_connected, set.sec_type),
                        G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
                        (GAsyncReadyCallback) __settings_reloaded_cb, (gpointer)tethering);
 
@@ -2969,7 +3218,8 @@ API int tethering_wifi_reload_settings(tethering_h tethering, tethering_wifi_set
 
 API int tethering_wifi_set_mac_filter(tethering_h tethering, bool mac_filter)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2982,8 +3232,11 @@ API int tethering_wifi_set_mac_filter(tethering_h tethering, bool mac_filter)
 
 API int tethering_wifi_get_mac_filter(tethering_h tethering, bool *mac_filter)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(mac_filter) is NULL\n");
        _retvm_if(mac_filter == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(mac_filter) is NULL\n");
 
@@ -2998,6 +3251,13 @@ static int __add_mac_to_file(const char *filepath, const char *mac)
        FILE *fp = NULL;
        char line[MAX_BUF_SIZE] = "\0";
        bool mac_exist = false;
+       char *p_mac = NULL;
+
+       p_mac = strdup(mac);
+       if (p_mac == NULL) {
+               ERR("strdup failed\n");
+               return TETHERING_ERROR_OUT_OF_MEMORY;
+       }
 
        fp = fopen(filepath, "a+");
        if (!fp) {
@@ -3013,9 +3273,15 @@ static int __add_mac_to_file(const char *filepath, const char *mac)
                }
        }
 
-       if (!mac_exist)
+       if (!mac_exist) {
                fprintf(fp, "%s\n", mac);
 
+               if ((strcmp(filepath, ALLOWED_LIST) == 0))
+                       allowed_list = g_slist_append(allowed_list, p_mac);
+               else if ((strcmp(filepath, BLOCKED_LIST) == 0))
+                       blocked_list = g_slist_append(blocked_list, p_mac);
+       }
+
        fclose(fp);
 
        return TETHERING_ERROR_NONE;
@@ -3041,10 +3307,27 @@ static int __remove_mac_from_file(const char *filepath, const char *mac)
        }
 
        while (fgets(line, MAX_BUF_SIZE, fp) != NULL) {
-               if (strncmp(mac, line, 17) == 0)
+               if (strncmp(mac, line, 17) == 0) {
                        DBG("MAC %s found in the list\n", mac);
-               else
+
+                       if ((strcmp(filepath, ALLOWED_LIST) == 0)) {
+                               GSList *list = NULL;
+                               for (list = allowed_list; list != NULL; list = list->next) {
+                                       char *p_mac = (char *)list->data;
+                                       if (strncmp(mac, p_mac, strlen(mac)) == 0)
+                                               allowed_list = g_slist_remove(allowed_list, p_mac);
+                               }
+                       } else if ((strcmp(filepath, BLOCKED_LIST) == 0)) {
+                               GSList *list = NULL;
+                               for (list = blocked_list; list != NULL; list = list->next) {
+                                       char *p_mac = (char *)list->data;
+                                       if (strncmp(mac, p_mac, strlen(mac)) == 0)
+                                               blocked_list = g_slist_remove(blocked_list, p_mac);
+                               }
+                       }
+               } else {
                        fprintf(fp1, "%s", line);
+               }
        }
 
        fclose(fp);
@@ -3060,7 +3343,8 @@ static int __remove_mac_from_file(const char *filepath, const char *mac)
 
 API int tethering_wifi_add_allowed_mac_list(tethering_h tethering, const char *mac)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -3072,6 +3356,9 @@ API int tethering_wifi_add_allowed_mac_list(tethering_h tethering, const char *m
 
 API int tethering_wifi_remove_allowed_mac_list(tethering_h tethering, const char *mac)
 {
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
        _retvm_if(mac == NULL, TETHERING_ERROR_INVALID_PARAMETER,
@@ -3080,8 +3367,25 @@ API int tethering_wifi_remove_allowed_mac_list(tethering_h tethering, const char
        return __remove_mac_from_file(ALLOWED_LIST, mac);
 }
 
+API int tethering_wifi_get_allowed_mac_list(tethering_h tethering, void **allowed_mac_list)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(allowed_mac_list == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(allowed_mac_list) is NULL\n");
+
+       *allowed_mac_list = g_slist_copy(allowed_list);
+       return TETHERING_ERROR_NONE;
+}
+
 API int tethering_wifi_add_blocked_mac_list(tethering_h tethering, const char *mac)
 {
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
        _retvm_if(mac == NULL, TETHERING_ERROR_INVALID_PARAMETER,
@@ -3092,6 +3396,9 @@ API int tethering_wifi_add_blocked_mac_list(tethering_h tethering, const char *m
 
 API int tethering_wifi_remove_blocked_mac_list(tethering_h tethering, const char *mac)
 {
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
        _retvm_if(mac == NULL, TETHERING_ERROR_INVALID_PARAMETER,
@@ -3100,9 +3407,24 @@ API int tethering_wifi_remove_blocked_mac_list(tethering_h tethering, const char
        return __remove_mac_from_file(BLOCKED_LIST, mac);
 }
 
+API int tethering_wifi_get_blocked_mac_list(tethering_h tethering, void **blocked_mac_list)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(blocked_mac_list == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(blocked_mac_list) is NULL\n");
+
+       *blocked_mac_list = g_slist_copy(blocked_list);
+       return TETHERING_ERROR_NONE;
+}
+
 API int tethering_wifi_enable_dhcp(tethering_h tethering, bool enable)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -3145,7 +3467,8 @@ API int tethering_wifi_enable_dhcp(tethering_h tethering, bool enable)
 
 API int tethering_wifi_set_dhcp_range(tethering_h tethering, char *rangestart, char *rangestop)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -3189,7 +3512,9 @@ API int tethering_wifi_set_dhcp_range(tethering_h tethering, char *rangestart, c
 
 API int tethering_wifi_is_dhcp_enabled(tethering_h tethering, bool *dhcp_enabled)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
        _retvm_if(dhcp_enabled == NULL, TETHERING_ERROR_INVALID_PARAMETER,
@@ -3200,3 +3525,640 @@ API int tethering_wifi_is_dhcp_enabled(tethering_h tethering, bool *dhcp_enabled
 
        return TETHERING_ERROR_NONE;
 }
+
+API int tethering_wifi_set_txpower(tethering_h tethering, unsigned int txpower)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       GError *error = NULL;
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(tethering_is_enabled(tethering, TETHERING_TYPE_WIFI) == false,
+                       TETHERING_ERROR_NOT_ENABLED,
+                       "tethering type[%d] is not enabled\n", TETHERING_TYPE_WIFI);
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       g_dbus_proxy_call_sync(th->client_bus_proxy, "hostapd_set_txpower",
+                       g_variant_new("(u)", txpower),
+                       G_DBUS_CALL_FLAGS_NONE,
+                       -1, th->cancellable, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync is failed and error is %s\n", error->message);
+               g_clear_error(&error);
+               return TETHERING_ERROR_OPERATION_FAILED;
+       }
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_get_txpower(tethering_h tethering, unsigned int *txpower)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       GError *error = NULL;
+       GVariant *result = NULL;
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(tethering_is_enabled(tethering, TETHERING_TYPE_WIFI) == false,
+                       TETHERING_ERROR_NOT_ENABLED,
+                       "tethering type[%d] is not enabled\n", TETHERING_TYPE_WIFI);
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       result = g_dbus_proxy_call_sync(th->client_bus_proxy, "hostapd_get_txpower",
+                       NULL,
+                       G_DBUS_CALL_FLAGS_NONE,
+                       -1, th->cancellable, &error);
+
+       if (result != NULL) {
+               g_variant_get(result, "(u)", txpower);
+               g_variant_unref(result);
+       } else {
+               if (error)
+                       ERR("g_dbus_proxy_call_sync is failed and error is %s\n", error->message);
+               g_clear_error(&error);
+               return TETHERING_ERROR_OPERATION_FAILED;
+       }
+       g_clear_error(&error);
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_set_mtu(tethering_h tethering, unsigned int mtu)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "set_mtu",
+                       g_variant_new("(u)", mtu),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+
+       g_variant_unref(parameters);
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_change_mac(tethering_h tethering, char *mac)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(mac == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(mac) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "change_mac",
+                       g_variant_new("(s)", mac),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+
+       g_variant_unref(parameters);
+
+       th->change_mac = true;
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_set_max_connected_device(tethering_h tethering, int max_device)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       th->wifi_max_connected = max_device;
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_get_max_connected_device(tethering_h tethering, int *max_device)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(max_device == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(max_device) is NULL\n");
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       *max_device = th->wifi_max_connected;
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_enable_port_forwarding(tethering_h tethering, bool enable)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "enable_port_forwarding",
+                       g_variant_new("(b)", enable),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+       g_variant_unref(parameters);
+
+       th->port_forwarding = true;
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_add_port_forwarding_rule(tethering_h tethering, char *ifname, char *protocol, char *org_ip, int org_port, char *final_ip, int final_port)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(protocol == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(protocol) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+       char cmd[MAX_BUF_SIZE] = { 0, };
+       char *list = NULL;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "add_port_forwarding_rule",
+                       g_variant_new("(sssisi)", ifname, protocol, org_ip, org_port, final_ip, final_port),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+       g_variant_unref(parameters);
+
+       snprintf(cmd, sizeof(cmd), "%s "PORT_FORWARD_RULE_STR, IPTABLES, TABLE_NAT, TETH_NAT_PRE, ifname, protocol, org_ip, org_port, final_ip, final_port);
+
+       list = strdup(cmd);
+       if (list == NULL) {
+               ERR("strdup failed\n");
+               return TETHERING_ERROR_OUT_OF_MEMORY;
+       }
+
+       port_forwarding = g_slist_append(port_forwarding, list);
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_reset_port_forwarding_rule(tethering_h tethering)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "reset_port_forwarding_rule",
+                       NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+
+       g_variant_unref(parameters);
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_is_port_forwarding_enabled(tethering_h tethering, bool* forwarding_enabled)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(forwarding_enabled == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(forwarding_enabled) is NULL\n");
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       *forwarding_enabled = th->port_forwarding;
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_get_port_forwarding_rule(tethering_h tethering, void **port_forwarding_list)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(port_forwarding_list == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(port_forwarding_list) is NULL\n");
+
+       *port_forwarding_list = g_slist_copy(port_forwarding);
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_enable_port_filtering(tethering_h tethering, bool enable)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "enable_port_filtering",
+                       g_variant_new("(b)", enable),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+       g_variant_unref(parameters);
+
+       th->port_filtering = true;
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_add_port_filtering_rule(tethering_h tethering, int port, char *protocol, bool allow)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(protocol == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(protocol) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+       char cmd[MAX_BUF_SIZE] = { 0, };
+       char *list = NULL;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "add_port_filtering_rule",
+                       g_variant_new("(isb)", port, protocol, allow),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+       g_variant_unref(parameters);
+
+       if (allow)
+               snprintf(cmd, sizeof(cmd), "%s "FILTERING_RULE_STR, IPTABLES, TABLE_FILTER, TETH_FILTER_FW, protocol, port, ACTION_ACCEPT);
+       else
+               snprintf(cmd, sizeof(cmd), "%s "FILTERING_RULE_STR, IPTABLES, TABLE_FILTER, TETH_FILTER_FW, protocol, port, ACTION_DROP);
+
+       DBG("cmd:%s", cmd);
+
+       list = strdup(cmd);
+       if (list == NULL) {
+               ERR("strdup failed\n");
+               return TETHERING_ERROR_OUT_OF_MEMORY;
+       }
+
+       port_filtering = g_slist_append(port_filtering, list);
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_add_custom_port_filtering_rule(tethering_h tethering, int port1, int port2, char *protocol, bool allow)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(protocol == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(protocol) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+       char cmd[MAX_BUF_SIZE] = { 0, };
+       char *list = NULL;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "add_custom_port_filtering_rule",
+                       g_variant_new("(iisb)", port1, port2, protocol, allow),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+       g_variant_unref(parameters);
+
+       if (allow)
+               snprintf(cmd, sizeof(cmd), "%s "FILTERING_MULTIPORT_RULE_STR, IPTABLES, TABLE_FILTER, TETH_FILTER_FW, protocol, port1, port2, ACTION_ACCEPT);
+       else
+               snprintf(cmd, sizeof(cmd), "%s "FILTERING_MULTIPORT_RULE_STR, IPTABLES, TABLE_FILTER, TETH_FILTER_FW, protocol, port1, port2, ACTION_DROP);
+
+       DBG("cmd:%s", cmd);
+
+       list = strdup(cmd);
+       if (list == NULL) {
+               ERR("strdup failed\n");
+               return TETHERING_ERROR_OUT_OF_MEMORY;
+       }
+
+       custom_port_filtering = g_slist_append(custom_port_filtering, list);
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_get_port_filtering_rule(tethering_h tethering, void **port_filtering_list)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(port_filtering_list == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(port_filtering_list) is NULL\n");
+
+       *port_filtering_list = g_slist_copy(port_filtering);
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_get_custom_port_filtering_rule(tethering_h tethering, void **custom_port_filtering_list)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(custom_port_filtering_list == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(custom_port_filtering_list) is NULL\n");
+
+       *custom_port_filtering_list = g_slist_copy(custom_port_filtering);
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_is_port_filtering_enabled(tethering_h tethering, bool* filtering_enabled)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(filtering_enabled == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(filtering_enabled) is NULL\n");
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       *filtering_enabled = th->port_filtering;
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_set_vpn_passthrough_rule(tethering_h tethering, tethering_vpn_passthrough_type_e type, bool enable)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "set_vpn_passthrough_rule",
+                       g_variant_new("(ib)", type, enable),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+
+       g_variant_unref(parameters);
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_push_wps_button(tethering_h tethering)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL");
+       __tethering_h *th = (__tethering_h *)tethering;
+       GDBusProxy *proxy = th->client_bus_proxy;
+       GVariant *parameters = NULL;
+       int ret = 0;
+       GError *error = NULL;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "push_wps_button",
+                       NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       ret = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       ret = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return ret;
+       }
+
+       if (parameters != NULL) {
+               g_variant_get(parameters, "(u)", &ret);
+               g_variant_unref(parameters);
+       }
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_set_wps_pin(tethering_h tethering, const char *wps_pin)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL");
+       __tethering_h *th = (__tethering_h *)tethering;
+       GDBusProxy *proxy = th->client_bus_proxy;
+       GVariant *parameters = NULL;
+       int ret = 0;
+       GError *error = NULL;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "set_wps_pin",
+                       g_variant_new("(s)", wps_pin), G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       ret = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       ret = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return ret;
+       }
+
+       if (parameters != NULL) {
+               g_variant_get(parameters, "(u)", &ret);
+               g_variant_unref(parameters);
+       }
+
+       return TETHERING_ERROR_NONE;
+}
+
+