#!/bin/bash
. /usr/local/bin/bashlib
DIP=`param ip`
ODPORT=`param odport`
IDPORT=`param idport`
echo "<pre>"
if [ "$DIP" == "" ]; then
echo "no IP"
exit
fi
if [ "$ODPORT" == "" ]; then
echo "no ODPORT"
exit
fi
if [ "$IDPORT" == "" ]; then
echo "no ODPORT"
exit
fi
REMOTE_ADDR=`echo $REMOTE_ADDR|sed s'/[^0-9.]\{1,15\}//g'`
ODPORT=`echo $ODPORT|sed s'/[^0-9]\{1,5\}//g'`
DIP=`echo $DIP|sed s'/[^0-9.]\{1,15\}//g'`
IDPORT=`echo $IDPORT|sed s'/[^0-9]\{1,5\}//g'`
CMD="/sbin/iptables -t nat -I DDNAT -p tcp -s $REMOTE_ADDR --dport $ODPORT -j DNAT --to $DIP:$IDPORT"
echo "$CMD"|grep "rm"
if [ $? -eq 0 ]; then
echo "illegal instruction: $CMD"
fi
echo $CMD
`$CMD`
echo "</pre>"
#set