create_qnap_boot

#!/bin/sh
# This is developed by laojifuli to create QNAP boot disk
# This script was modified by Mojelly for QNAP 4.4.1.1000+ firmware.

# Define the model type and firmware by get patch name or hardcode
# I recommend to use the patch name, make sure you do correct patch
MODEL_TYPE="QY410_QY450_10_10"
PATCHED_FIRMWARE="TS-X82S_20191206-4.4.1.1146"
#PATCHED_FIRMWARE=$(ls *.patch | head -n1 | cut -d'.' -f1-4)
DOWNLOAD_URL="https://download.qnap.com.cn/Storage/TS-X82S/"

extract_initrd()
{
	rm -f ./initrd.boot
	rm -rf ./initrd
	cp -f $1 ./
	[ -f ./initrd.boot ] || return 1
	if [ "$2" = "lzma" ]; then
		mv ./initrd.boot ./initrd.boot.lzma
		unlzma ./initrd.boot.lzma
	else
		mv ./initrd.boot ./initrd.boot.gz
		gzip -d ./initrd.boot.gz
	fi
	if [ $? != 0 ]; then
		echo "Decompress the ram disk failed."
		rm -f ./initrd.boot.*
		return 1
	fi
	[ -d ./initrd ] || mkdir ./initrd
	cd ./initrd
	cpio -id < ../initrd.boot 1>/dev/null 2>&1
	cd ${WORKING_DIR}
	rm -f ./initrd.boot

	[ ! -f ./initrd/etc/model_${MODEL_TYPE}.conf ] || return 0
	return 1
}

packing_initrd()
{
	rm -f ./initrd.boot
	cd ./initrd
	find . | cpio -o -H newc | gzip > ../initrd.boot
}

repair_rootfs2()
{
	echo $1
	REPAIR_DIR=/home/tc/ROOTFS2
	if [ -f /mnt/${BOOT_DRIVES}2/boot/rootfs2.bz ]; then
		mkdir -p ${REPAIR_DIR}
		cp /mnt/${BOOT_DRIVES}2/boot/rootfs2.bz ${REPAIR_DIR}/rootfs2.lzma
		cd ${REPAIR_DIR}
		unlzma rootfs2.lzma
		bzip2 -z rootfs2
		mv rootfs2.bz2 rootfs2.bz
		cksum rootfs2.bz > rootfs2.bz.cksum
		rm -f /mnt/${BOOT_DRIVES}2/boot/rootfs2.bz
		rm -f /mnt/${BOOT_DRIVES}2/boot/rootfs2.bz.cksum
		cp -f * /mnt/${BOOT_DRIVES}2/boot/
		rm -rf ${REPAIR_DIR}
	else
		error_stop "Repair failed, please restart the system and try again."
	fi
}

clear_boot()
{
	echo $1
	rm -rf /mnt/${BOOT_DRIVES}2/*
	rm -rf /mnt/${BOOT_DRIVES}3/*
}

error_stop()
{
	echo $1
	umount /dev/${BOOT_DRIVES}2 1>/dev/null 2>&1
	umount /dev/${BOOT_DRIVES}3 1>/dev/null 2>&1
	exit 1
}

# Try to locate laojifuli boot disk
BOOT_DRIVES=$(./hal_app2)
WORKING_DIR=$(pwd)
IS_PATCHED="true"

if [ "x$BOOT_DRIVES" = "x" ]; then
	echo "Could not found laojifuli's QNAP boot disk."
	exit 1
fi

# mount the QNAP master boot partion and clear boot
[ -d /mnt/${BOOT_DRIVES}2 ] || mkdir /mnt/${BOOT_DRIVES}2
mount -t ext2 /dev/${BOOT_DRIVES}2 /mnt/${BOOT_DRIVES}2 1>/dev/null 2>&1
[ $? = 0 ] || error_stop "Try to mount /dev/${BOOT_DRIVES}2 failed."
[ -d /mnt/${BOOT_DRIVES}3 ] || mkdir /mnt/${BOOT_DRIVES}3
mount -t ext2 /dev/${BOOT_DRIVES}3 /mnt/${BOOT_DRIVES}3 1>/dev/null 2>&1
[ $? = 0 ] || error_stop "Try to mount /dev/${BOOT_DRIVES}3 failed."
clear_boot "Clear the boot, Please wait a while."    #如果不需要清空boot目录，则将此行开头添加#注释掉。

# check if the boot partion already created, if not we will download
# the QNAP firmware which is defined by ${PATCHED_FIRMWARE}
# You can do the QNAP firmware patch choose which one you like and patch it by yourself
if [ -f /mnt/${BOOT_DRIVES}2/boot/initrd.boot ]; then
	extract_initrd "/mnt/${BOOT_DRIVES}2/boot/initrd.boot"
	if [ $? != 0 ]; then
		rm -f ./${PATCHED_FIRMWARE}.zip
		echo "Start to download the QNAP firmware. Please wait a while."
	wget ${DOWNLOAD_URL}${PATCHED_FIRMWARE}.zip
	[ $? = 0 ] || error_stop "Download the QNAP firmware failed."
	fi
else
	if [ ! -f ./${PATCHED_FIRMWARE}.zip ]; then
		echo "Start to download the QNAP firmware. Please wait a while."
		wget ${DOWNLOAD_URL}${PATCHED_FIRMWARE}.zip
		[ $? = 0 ] || error_stop "Download the QNAP firmware failed."
	fi
fi

if [ -f ./${PATCHED_FIRMWARE}.zip ]; then
	IS_PATCHED="false"
	rm -f ./initrd.boot
	rm -rf ./initrd
	unzip ./${PATCHED_FIRMWARE}.zip
	rm -f ./${PATCHED_FIRMWARE}.zip
	./pc1 d QNAPNASVERSION4 ./${PATCHED_FIRMWARE}.img ./decoded_firmware.tar.gz

	[ $? = 0 ] || error_stop "Unable to decoded QNAP firmware."
	rm -f ./${PATCHED_FIRMWARE}.img

	tar -xvf decoded_firmware.tar.gz bzImage bzImage.cksum initrd.boot initrd.boot.cksum qpkg.tar qpkg.tar.cksum rootfs2.bz rootfs2.bz.cksum rootfs_ext.tgz rootfs_ext.tgz.cksum
	rm -f decoded_firmware.tar.gz

	[ -d /mnt/${BOOT_DRIVES}2/boot ] || mkdir -p /mnt/${BOOT_DRIVES}2/boot
	mv -f bzImage bzImage.cksum initrd.boot initrd.boot.cksum qpkg.tar qpkg.tar.cksum rootfs2.bz rootfs2.bz.cksum rootfs_ext.tgz rootfs_ext.tgz.cksum /mnt/${BOOT_DRIVES}2/boot/

	extract_initrd "/mnt/${BOOT_DRIVES}2/boot/initrd.boot" "lzma"
fi

[ -d ./initrd ] || error_stop "Unable to establish the QNAP RAM disk."
# patch the QNAP system
if [ ${IS_PATCHED} != "true" ]; then
	rm -f ./initrd.boot
	cp -f ./hal_app1 ./initrd/sbin/hal_app1
	cp -f ./hal_app2 ./initrd/sbin/hal_app2
	cd ./initrd/bin
	ln -s busybox tail
	cd ../etc
	cp -f ./model_${MODEL_TYPE}.conf ./model.conf
	[ $? = 0 ] ||  error_stop "Create model.conf failed."
	cp -f ./hal_util_${MODEL_TYPE}.conf ./hal_util.conf
	[ $? = 0 ] ||  error_stop "Create hal_tuil.conf failed."
	cd init.d
	patch -p1 < ../../../${PATCHED_FIRMWARE}.patch
	[ $? = 0 ] ||  error_stop "Make patch failed."
fi

cd ${WORKING_DIR}
./hardware_check
echo "Re-packing the QNAP RAM disk. Please wait a while."
packing_initrd
cd ${WORKING_DIR}

if [ ! -f ./initrd.boot ]; then
	error_stop "Re-packing the QNAP RAM disk failed."
fi

cksum initrd.boot > initrd.boot.cksum
mv -f ./initrd.boot /mnt/${BOOT_DRIVES}2/boot/
[ $? = 0 ] ||  error_stop "Transfor QNAP RAM disk failed."
mv -f ./initrd.boot.cksum /mnt/${BOOT_DRIVES}2/boot/
repair_rootfs2 "Repair the rootfs2.bz file. Please wait a while."  #低于1000+版本的固件无需修复roofs2.bz文件，可以在此行开头添加#注释掉。
umount /dev/${BOOT_DRIVES}2 1>/dev/null 2>&1
umount /dev/${BOOT_DRIVES}3 1>/dev/null 2>&1

echo "Create QNAP boot disk successful."
echo "Now you can enter command ‘sudo reboot’, restart system to install QNAP."
echo