VPN bash

#!/usr/bin/bash

VPN_HOME=/usr/bin/
ACCOUNT_NAME='optus'
function start(){

    cd $VPN_HOME

    sudo ./vpnclient start

    ./vpncmd localhost /client /CMD remoteenable
    ./vpncmd localhost /client /CMD accountconnect $ACCOUNT_NAME
    #You can add your commands here
    sudo ip route add 10.40.0.0/24 dev vpn_vpn

}

function stop(){
    cd $VPN_HOME

    sudo ./vpnclient stop
}

START="start"
STOP="stop"
HELP="help"

function help(){
    echo "./vpn-manger.sh command"
 echo "commands are $START , $STOP or $HELP"
}

function commands(){
    COMMAND=$1
    case "${COMMAND}" in
        "$START")       start;          ;;
        "$STOP")        stop;           ;;
    esac
}

commands $1;