#!/bin/sh
#
TMP=/tmp/.tun
echo "syncing disk"
sync

model=`cat /etc/model`
echo""
echo "Checking your Boxtype...."
echo "Some Plugins will not work correctly on your $model!"
echo ""
if [ "$model" != "ufs910" ]; then
	echo "Sorry! This Modul is not for your $model !! It will not work correctly !!"
	echo "Aborting installation..."
	exit 1
else
	echo "Boxtype: $model OK"
fi

if [ -e /lib/modules/tun.ko ]; then
	echo --------------------------
	echo tun.ko allready installed !!
	echo --------------------------
	exit 1
fi
if [ `df | grep /dev/mtdblock | grep var | sed 's/ \+/ /g' | cut -d ' ' -f4 | tail -n1 | wc -l` -eq 1 ]; then
	SPACE=`df | grep /dev/mtdblock | grep var | sed 's/ \+/ /g' | cut -d ' ' -f4 | tail -n1`
	FREE=`expr $SPACE - 100`
	SIZE=12
	echo "check freespace"
	echo packege size $SIZE kb
	echo freespace size $FREE kb
	if  [ "$FREE" -lt "$SIZE" ]; then
		echo "sorry no freespace on device"
		exit 1
	else
		echo ok
	fi
fi   
echo "install tun.ko ..."
buildgroup=`cat /etc/.buildgroup`
echo "checking OS"	 
if  [ `cat /etc/motd | grep $buildgroup | grep M | grep rev | wc -l` -eq 0 ]; then 	 	 
	echo --------------------------- 	 	 
	echo DONT USE this IPK Package!! 	 	 
	echo --- 	 	 
	echo Only for $buildgroup Image!! 	 	 
	echo --------------------------- 	 	 
	exit 1 	 	 
fi
exit 0