Create or kill an SSH tunnel

sshr

#!/bin/sh
# ~/bin/sshr
#
# modified: 26 Jan 2012
# author: matthieu berjon <matthieu.berjon@wavefield.fr>
# licence: WTFPL
#
# description: create or kill a remote ssh tunnel

LOGIN=
SERVER=

connect_tunnel () {
  ssh -C2TnN -D 8080 $LOGIN@$SERVER &
}

kill_tunnel () {
  KILL=$(ps aux | grep "ssh -C2TnN -D" | head -n 1 | awk '{print $2}')
  kill -9 $KILL
}

help ()
{
  cat << EOF
Use: $0 [options] [file]

Options:
  -c, --connect             connect to the tunnel
  -k, --kill                Stop the tunnel 
  -h, --help                Show this help
EOF
}

while getopts ckh OPTION
do
  case $OPTION in

    c | --connect)
      connect_tunnel $OPTARG
    ;;

    k | --kill)
      kill_tunnel
    ;;

    h | --help)
      help
    ;;
  esac
done