if [ -z "$1" ]; then
   echo "Welcome to ipsec Checker by Biricon IT Services GmbH www.biricon.eu https://github.com/Alex0176/Sophos-XGS-Hacks"
   echo "usage: $0 [NameofTunnel | auto] [IntervalInMinutes]"
   echo ""
   echo "information: if you use the 2. paramter, endless loop will started."
   echo ""
   echo "configured tunnels on the system:"
   ipsec status > /tmp/ipsec-status.txt
   tunnel_array=$(awk 'NR>1 {print $1}' /tmp/ipsec-status.txt | cut -d'-' -f1 | tr -d '!"$%&/()=?.*[]:{}' | sort -u)
   for tunnel in $tunnel_array; do
       if ipsec status | grep -q "$tunnel.*INSTALLED"; then
         echo "  [OK] $tunnel"
      else
         echo "  [DOWN] $tunnel"
      fi
   done
   exit 0
fi


INTERVAL_MIN=$2

while :
do
   NOW=$(date '+%F_%H:%M:%S')

   if [ "$1" = "auto" ]; then
      ipsec status > /tmp/ipsec-status.txt
      targets=$(awk 'NR>1 {print $1}' /tmp/ipsec-status.txt | cut -d'-' -f1 | tr -d '!"$%&/()=?.*[]:{}' | sort -u)
   else
      targets="$1"
   fi

   for current_tunnel in $targets; do
      [ -z "$current_tunnel" ] && continue

      if ipsec status | grep "$current_tunnel" | grep -q 'INSTALLED'; then
         echo "$current_tunnel ok $NOW"
      else
         echo "$current_tunnel is down $NOW"
         echo "$current_tunnel is down $NOW" >> /tmp/ipsec-status.log

         # Debugging & Recovery
         mkdir -p /tmp/ipsec_debug/cfg && cp /log/charon.log /tmp/ipsec_debug/
         ipsec statusall > /tmp/ipsec_debug/statusall.log
         [ -d /tmp/ipsec/connections ] && cp /tmp/ipsec/connections/* /tmp/ipsec_debug/cfg/

         psql corporate nobody -x -c "select * from tblvpnconnection" > /tmp/ipsec_debug/tblvpnconnection.db
         psql corporate nobody -x -c "select * from tblvpnpolicy" > /tmp/ipsec_debug/tblvpnpolicy.db

         ipsec reload
         ipsec up "$current_tunnel"
         echo "$current_tunnel restart initiated $NOW"
      fi
   done

   if [ -z "$2" ]; then
      break
   else
      echo "waiting $INTERVAL_MIN minutes for next check ..."
      sleep $((INTERVAL_MIN * 60))
   fi
done