Update mqtt-v4.sh

fix missing variables

ct/mqtt-v4.sh

@@ -89,6 +89,10 @@ function default_settings() {
   NET=dhcp
   echo -e "${DGN}Using Gateway Address: ${BGN}Default${CL}"
   GATE=""
+  echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
+  SD=""
+  echo -e "${DGN}Using DNS Server Address: ${BGN}Host${CL}"
+  NS=""
   echo -e "${DGN}Using MAC Address: ${BGN}Default${CL}"
   MAC=""
   echo -e "${DGN}Using VLAN Tag: ${BGN}Default${CL}"
@@ -169,6 +173,30 @@ else
     echo -e "${DGN}Using Gateway IP Address: ${BGN}$GATE1${CL}"
   fi
 fi
+  SD=$(whiptail --inputbox "Set a DNS Search Domain (leave blank for HOST)" 8 58 --title "DNS Search Domain" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $SD ]; then
+      SD=""
+      echo -e "${DGN}Using DNS Search Domain: ${BGN}Host${CL}"
+    else
+      SX=$SD
+      SD="-searchdomain=$SD"
+      echo -e "${DGN}Using DNS Search Domain: ${BGN}$SX${CL}"
+    fi
+  fi
+  NS=$(whiptail --inputbox "Set a DNS Server IP (leave blank for HOST)" 8 58 --title "DNS SERVER IP" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
+  exitstatus=$?
+  if [ $exitstatus = 0 ]; then
+    if [ -z $NS ]; then
+      NS=""
+      echo -e "${DGN}Using DNS Server IP Address: ${BGN}Host${CL}"
+    else
+      NX=$NS
+      NS="-nameserver=$NS"
+      echo -e "${DGN}Using DNS Server IP Address: ${BGN}$NX${CL}"
+    fi
+  fi
 MAC1=$(whiptail --inputbox "Set a MAC Address(leave blank for default)" 8 58  --title "MAC ADDRESS" --cancel-button Exit-Script 3>&1 1>&2 2>&3)
 exitstatus=$?
 if [ $exitstatus = 0 ]; then
@@ -189,6 +217,13 @@ else
     echo -e "${DGN}Using Vlan: ${BGN}$VLAN1${CL}"
   fi  
 fi
+  if (whiptail --defaultno --title "SSH ACCESS" --yesno "Enable Root SSH Access?" 10 58); then
+      echo -e "${DGN}Enable Root SSH Access: ${BGN}Yes${CL}"
+      SSH="yes"
+  else
+      echo -e "${DGN}Enable Root SSH Access: ${BGN}No${CL}"
+      SSH="no"
+  fi
 if (whiptail --title "ADVANCED SETTINGS COMPLETE" --yesno "Ready to create ${APP} LXC?" --no-button Do-Over 10 58); then
     echo -e "${RD}Creating a ${APP} LXC using the above advanced settings${CL}"
 else