if which busybox > /dev/null ;then
   echo "Busybox is installed:Skip";
else
   echo "Install busybox.";
   exit
fi

folder=bb
img=backbox


perm=$(busybox id|busybox cut -b 5)

if [ "$perm" != "0" ];then echo "This Script Needs Root! Type : su";exit;fi

if [ -d /data/local/mnt/ect ]; then
    echo -e "Skip mkdir\n"
else
    mkdir /data/local/mnt/ect
    mkdir /data/local/mnt/dev
    mkdir /data/local/mnt/proc
    mkdir /data/local/mnt/sys
    mkdir /data/local/mnt/dev/pts
fi

mount -o remount,rw /dev/block/mmcblk0p5 /system
export kit=/sdcard/$folder
export bin=/system/bin
export mnt=/data/local/mnt
if [ -d $mnt ]; then
    echo -e "Skip mkdir:$mnt\n"
else
    mkdir $mnt
fi
export PATH=$bin:/usr/bin:/usr/local/bin:/usr/sbin:/bin:/usr/local/sbin:/usr/games:$PATH
export TERM=linux
export HOME=/root
if [ -b  /dev/block/loop7 ]; then

    echo "Loop device exists"
else
     busybox mknod /dev/block/loop7 b 7 0
fi
losetup /dev/block/loop7 $kit/$img.img

mount -o loop,noatime -t ext2 $kit/$img.img $mnt
mount -t ext2 /dev/block/loop7 $mnt
mount -t devpts devpts $mnt/dev/pts
mount -t proc proc $mnt/proc
mount -t sysfs sysfs $mnt/sys
busybox sysctl -w net.ipv4.ip_forward=1
echo "nameserver 8.8.8.8" > $mnt/etc/resolv.conf
echo "nameserver 8.8.4.4" > $mnt/etc/resolv.conf
echo "127.0.0.1 localhost BackBox " > $mnt/etc/hosts

echo "";
cat bb.logo
echo "";
busybox chroot $mnt /bin/bash

echo "Shutting down"
umount $mnt/dev/pts
umount $mnt/proc
umount $mnt/sys
umount $mnt