don't reset interface

lnxrouter

@@ -1119,10 +1119,6 @@ backup_interface_status() {
     # nm managing status is saved when nm_set_unmanaged()
 }
 restore_interface_status() {
-    # virtual wifi interface will be destroyed, so no need to restore status
-    # don't use [[ $VWIFI_IFACE ]] to judge, if creating virtual wifi failed, VWIFI_IFACE is empty
-    [[ "$WIFI_IFACE" && "$NO_VIRT" -eq 0 ]] && return
-    
     restore_ipv6_bits
 
     if [[ -n "$OLD_MACADDR" && "$(get_interface_mac $SUBNET_IFACE)" != "$OLD_MACADDR" ]] ; then
@@ -1132,7 +1128,6 @@ restore_interface_status() {
     
     nm_restore_manage
     
-    [[ $SUBNET_IFACE_ORIGINAL_UP_STATUS -eq 1 ]] && ip link set up dev ${SUBNET_IFACE} && echo "Restore ${SUBNET_IFACE} to link up"
 }
 #---------------------------------------
 
@@ -1155,12 +1150,7 @@ kill_processes() { # for this instance
 _cleanup() {
     local x
 
-    ip addr flush ${SUBNET_IFACE}
-    
     rm -rf $CONFDIR
-    
-    ip link set down dev ${SUBNET_IFACE}
-    
     if [[ $VWIFI_IFACE ]]; then # the subnet interface (virtual wifi interface) will be removed
         iw dev ${VWIFI_IFACE} del
         dealloc_vface_name $VWIFI_IFACE
@@ -1596,15 +1586,13 @@ decide_target_interface() {
 
 decide_ip_addresses() {
     if [[ ! -n $GATEWAY ]]; then
-        GATEWAY="$(generate_random_ip4)"
+        echo
-        echo "Use random LAN IPv4 address $GATEWAY"
     elif [[ ! "$GATEWAY" =~ "." ]]; then
         GATEWAY="192.168.${GATEWAY}.1"
     fi
 
     if [[ $IPV6 -eq 1 && ! -n $PREFIX6 ]]; then
-        PREFIX6="$(generate_random_lan_ip6_prefix)"
+        echo
-        echo "Use random LAN IPv6 address ${PREFIX6}${IID6}"
     elif [[ ! "$PREFIX6" =~ ":" ]]; then
         PREFIX6="fd00:0:0:${PREFIX6}::"
     fi
@@ -1614,10 +1602,6 @@ decide_ip_addresses() {
 }
 
 prepare_wifi_interface() {
-
-    sleep 1
-    echo; echo; echo;
-    echo "Trying to set power_save off ..."
     if [[ $USE_IWCONFIG -eq 0 ]]; then
         iw dev ${WIFI_IFACE} set power_save off
     fi
@@ -1640,9 +1624,7 @@ prepare_wifi_interface() {
                 echo
             fi
         fi
-        
+
-        sleep 6
-        echo; echo; echo;
         echo "Creating a virtual WiFi interface... "
         VWIFI_IFACE=$(alloc_new_vface_name)
         if iw dev ${WIFI_IFACE} interface add ${VWIFI_IFACE} type __ap; then
@@ -1957,7 +1939,9 @@ phead
 phead2
 echo
 
-echo " ============ In dev branch for issue #12 ==========="
+echo
+echo "This is workaround for #31. Must use with '-g' and for wired interface !"
+echo
 
 echo "PID: $$"
 
@@ -1982,33 +1966,10 @@ init_trap
 
 init_conf_dirs #   CONFDIR  , COMMON_CONFDIR  . make dir
 
-echo -e "\nDistro:"
-cat /etc/os-release 
-
-echo -e "\nKernel:"
-uname -a
-echo
-
-echo "setting NM log level: nmcli general logging level TRACE domains ALL"
-nmcli general logging level TRACE domains ALL
-
-echo "Logging journalctl -f"
-journalctl -f &
-echo $! > $CONFDIR/journalctl.pid 
-
-echo "Logging dmesg -W"
-dmesg -W &
-echo $! > $CONFDIR/dmesg.pid 
-
-echo "Logging wpa_supplicant.log"
-tail -f /var/log/wpa_supplicant.log &
-echo $! > $CONFDIR/wpa_supplicant_log.pid 
-
 [[ $WIFI_IFACE ]] && prepare_wifi_interface # this will create virtual ap interface (if needed) and set VWIFI_IFACE and AP_IFACE (if success)
 
 SUBNET_IFACE="$(decide_subnet_interface)"  # SUBNET_IFACE can be TARGET_IFACE (wired) or AP_IFACE (ap) .this is after prepare_wifi_interface()
 echo "$SUBNET_IFACE" > "$CONFDIR/subn_iface"
-ip addr show dev ${SUBNET_IFACE}
 
 # if virtual wifi interface, will be destroyed, so only need to save status when not
 [[ -z $VWIFI_IFACE ]] && backup_interface_status
@@ -2028,10 +1989,6 @@ fi
 #===================================================
 #===================================================
 
-sleep 1
-echo; echo; echo;
-ip addr show dev ${SUBNET_IFACE}
-echo "Trying to set NM unmanage ..."
 # set interface unmanaged by networkManager
 if [[ $NM_RUNNING -eq 1 ]] && nm_knows $TARGET_IFACE; then # if nm knows target iface, should know subnet iface too. but need to wait until nm finds subnet iface (waiting code is in nm_set_unmanaged()
     nm_set_unmanaged ${SUBNET_IFACE} # will write NM_UNM_LIST
@@ -2041,51 +1998,14 @@ fi
 #===========================
 
 
-sleep 1
-echo; echo; echo;
-ip addr show dev ${SUBNET_IFACE}
-echo "Trying to set ${SUBNET_IFACE} down ..."
-# initialize subnet interface
-# take subnet interface down first
-ip link set down dev ${SUBNET_IFACE} || die "Failed setting ${SUBNET_IFACE} down"
-
-sleep 1
-echo; echo; echo;
-ip addr show dev ${SUBNET_IFACE}
-echo "Trying to flush ${SUBNET_IFACE} ..."
-# flush old IPs of subnet interface
-ip addr flush ${SUBNET_IFACE} || die "Failed flush ${SUBNET_IFACE} IP"
-
-sleep 1
-echo; echo; echo;
-ip addr show dev ${SUBNET_IFACE}
 dealwith_mac # setting MAC should be after setting NM unmanaged
 
-sleep 1
-echo; echo; echo;
-ip addr show dev ${SUBNET_IFACE}
-echo "Trying to check and do rfkill unblock ..."
 [[ $WIFI_IFACE ]] && check_rfkill_unblock_wifi
 
-sleep 1
-echo; echo; echo;
-ip addr show dev ${SUBNET_IFACE}
-echo "Trying to bring interface ${SUBNET_IFACE} up ..."
-# bring subnet interface up
-ip link set up dev ${SUBNET_IFACE} || die "Failed bringing ${SUBNET_IFACE} up"
-
-sleep 1
-echo; echo; echo;
-echo "Finished test. Exiting ..."
-clean_exit
-exit
-
 
 # hostapd , haveged
 [[ $WIFI_IFACE ]] && run_wifi_ap_processes
 
-# add ipv4 address to subnet interface
-ip -4 addr add ${GATEWAY}/24 broadcast ${GATEWAY%.*}.255 dev ${SUBNET_IFACE} || die "Failed setting ${SUBNET_IFACE} IPv4 address"
 
 set_ipv6_bits