upgrade-bin-header3

#!/bin/sh 
echo "Source file validation..."

sed -e '1,/^exit$/d' "$0" | gzip -t -
err_chk=$?
if [ $err_chk -ne 1 ]; then
	KERNEL_IMAGE=`sed -e '1,/^exit$/d' "$0" | tar ztf - | sed -n '1,1p' -`
	echo $KERNEL_IMAGE
	if [ 1 -eq 1 ]; then 
		echo "Upgrading kernel image..."
		/etc/init.d/br_wifi stop > /dev/null
		/etc/init.d/samba stop > /dev/null
		/usr/bin/killall -9 MonitorWan
		/bin/kill -s USR1 `cat /tmp/lock/brlcd.lock`
		/usr/bin/killall bandluxed
		/usr/bin/killall BatteryMonitor
		/usr/bin/killall crond
		/usr/bin/killall udhcpd
		/usr/bin/killall klogd
		/usr/bin/killall syslogd
		/bin/umount /data
		/bin/umount /userdata
		/bin/umount /mnt
		sync
		sync
		mtd erase mtd2
		sed -e '1,/^exit$/d' "$0" | tar xzOf - $KERNEL_IMAGE | mtd write - mtd2
		sync
	else
		echo "Extract kernel image..."
		sed -e '1,/^exit$/d' "$0" | tar xzOf - $KERNEL_IMAGE > uImage.temp
	fi

	echo "..."

	ROOTFS_IMAGE=`sed -e '1,/^exit$/d' "$0" | tar ztf - | sed -n '2,2p' -`
	echo $ROOTFS_IMAGE
	if [ 1 -eq 1 ]; then 
		echo "Upgrading rootfs..."
		sync
		mount -o remount,ro /
		mtd erase mtd3
		sed -e '1,/^exit$/d' "$0" | tar xzOf - $ROOTFS_IMAGE | mtd write - mtd3
		echo "...Upgrade Finish"
		echo "System will reboot..."
		sync
		sync
		sync
		sleep 3
		reboot -f
	else
		echo "Extract rootfs..."
		sed -e '1,/^exit$/d' "$0" | tar xzOf - $ROOTFS_IMAGE > rootfs_jffs2.temp
	fi
else
	echo "Fail to decompress kernel image!"    
fi

exit