setup.sh

   1 #!/bin/bash
   2
   3 CMD=${1-start}
   4 NET=192.168.249
   5 TAP=tap0
   6
   7 cd $(dirname $0)
   8
   9 RULE=( ! -o $TAP -j TEE --gateway $NET.2 --oif $TAP )
  10 case "$CMD" in
  11     start)
  12         if ifconfig $TAP >& /dev/null ; then
  13             echo "Already started"
  14         else
  15             date >> /tmp/hourglass-listener.log
  16             newlisp listener.lsp >> /tmp/hourglass-listener.log 2>&1 &
  17             while sleep 1 ; do
  18                 ifconfig $TAP >& /dev/null && break
  19                 echo $TAP not up yet
  20             done
  21             ifconfig $TAP $NET.1 up
  22             iptables -t mangle -A FORWARD ${RULE[@]}
  23         fi
  24         ;;
  25     stop)
  26         iptables -t mangle -F FORWARD
  27         if ifconfig $TAP >& /dev/null ; then
  28             pkill -2 -f listener.lsp
  29         else
  30             echo "Already stopped"
  31         fi
  32         ;;
  33     *)
  34         echo "Unknown: $CMD"
  35         ;;
  36 esac