fw-WiFiPortPatch-HooToo-TM02-2.000.016

#!/bin/sh
# constant
CRCSUM=3558310303
OEM=POWER7
VERSION=2000016C
VENDOR=HooToo
PRODUCTLINE=WiFiPort
SKIP=138
TARGET_OS="linux"
TARGET_ARCH="arm"
DEVICE_TYPE=TM02

export PATH=/bin:/sbin:/usr/bin:/usr/sbin
ETCPATH="/etc"
#ETCPATH="/data/UsbDisk1/Volume1/etc"
DISKPATH="/data/UsbDisk1/Volume1/HooToo"
#DISKPATH="/data/UsbDisk1/Volume1/HooToo"

FWCFPT="/proc/vstinfo"

upstat() {
        if [ $1 -eq 1 ]; then
                sed "s/^UPSTAT=[0-9]*/UPSTAT=$2/g" $FWCFPT > $FWCFPT
        elif [ $1 -eq 2 ]; then
                sed "s/^UPSTAT=[0-9]*/UPSTAT=0/g" $FWCFPT > $FWCFPT
                sed "s/^ERRSTAT=[0-9]*/ERRSTAT=$2/g" $FWCFPT > $FWCFPT
        else
                return 1
        fi

}


#Start telnetd. Will only give access until reboot unless modifications complete without erros
$ETCPATH/init.d/teld.sh start
upstat 1 1

# If the USB drive backup directory doesn't exist then create it
if [ ! -e $DISKPATH ]; then
	mkdir -p -m 755 $DISKPATH
	echo "Created USB drive directory - HooToo"
fi
upstat 1 2

# If there is already a backup on this USB disk then restore the entire /etc directory
# If not, then backup original /etc, modify the password files, and set telnetd to start
echo "Checking for previously backuped /etc directory tar file"
if [ -f $DISKPATH/etc.tar.gz ]; then
	echo "Backup found. Restoring ..."
	gunzip $DISKPATH/etc.tar.gz
	tar xvf $DISKPATH/etc.tar -C / > /dev/null 2>&1
	echo "Backup restored"
	upstat 1 3

else
	echo "No backup found. Backing up /etc directory to tar file on USB drive"
	# Backup entire /etc directory
	tar cvf $DISKPATH/etc.tar $ETCPATH > /dev/null 2>&1
	gzip $DISKPATH/etc.tar
	echo "Completed /etc backup operation. Checking if successful..."
	upstat 1 3
	
	# If the backup was successful then proceed with modifying the password files
	if [ -f $DISKPATH/etc.tar.gz ]; then
		
		echo "Successful backup - modifying password files..."
		# Reset root to no password
		if [ -f $ETCPATH/passwd ]; then	
			echo "Modifying passwd file ..."
			rm $ETCPATH/passwdt
			sed 's~root\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):~root:$1$yikWMdhq$LwHDqCHZ6w6u0rVqaWI3D.:\3:\4:\5:\6:~' < $ETCPATH/passwd > $ETCPATH/passwdt

			if [ -f $ETCPATH/passwdt ]; then
				cp $ETCPATH/passwdt $ETCPATH/passwd > /dev/null 2>&1
				chmod 644 $ETCPATH/passwd
				rm $ETCPATH/passwdt
				echo "Done"
			else
				echo "Could not modify passwd file. No changes made - aborting"
				upstat 2 3
				exit 1
			fi
		fi

		if [ -f $ETCPATH/passwd- ]; then	
			echo "Modifying passwd- file ..."
			rm $ETCPATH/passwdt-
			sed 's~root\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):~root::\3:\4:\5:\6:~' < $ETCPATH/passwd- > $ETCPATH/passwdt-

			if [ -f $ETCPATH/passwdt- ]; then
				cp $ETCPATH/passwdt- $ETCPATH/passwd- > /dev/null 2>&1
				chmod 644 $ETCPATH/passwd-
				rm $ETCPATH/passwdt-
				echo "Done"
			else
				echo "Could not modify passwd- file. No changes made - aborting"
				upstat 2 3
				exit 1
			fi
		fi

		if [ -f $ETCPATH/shadow ]; then
			echo "Modifying shadow file ..."
			rm $ETCPATH/shadowt
			sed 's~root\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):~root:$1$D0o034Sm$JzxKXnCkAAKYwyAMoABSh.:\3:\4:\5:\6:\7:\8:~' < $ETCPATH/shadow > $ETCPATH/shadowt

			if [ -f $ETCPATH/shadowt ]; then
				cp $ETCPATH/shadowt $ETCPATH/shadow > /dev/null 2>&1
				chmod 644 $ETCPATH/shadow
				rm $ETCPATH/shadowt
				echo "Done"
			else
				echo "Could not modify shadow file. No changes made - aborting"
				upstat 2 3
				exit 1
			fi
		fi

		if [ -f $ETCPATH/shadow- ]; then
			echo "Modifying shadow- file ..."
			rm $ETCPATH/shadowt-
			sed 's~root\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):~root::\3:\4:\5:\6:\7:\8:~' < $ETCPATH/shadow- > $ETCPATH/shadowt-

			if [ -f $ETCPATH/shadowt- ]; then
				cp $ETCPATH/shadowt- $ETCPATH/shadow-
				chmod 644 $ETCPATH/shadow-
				rm $ETCPATH/shadowt-
					echo "Done"
			else
				echo "Could not modify shadow- file. No changes made - aborting"
				upstat 2 3
				exit 1
			fi
		fi

		echo "Successfully modified password files"
		upstat 1 3

	else

		echo "Could not create /etc backup. No USB drive connected?"
		upstat 2 3
		exit 1

	fi
	
	# Set telnetd to start at next boot
	if [ -f $ETCPATH/init.d/teld.sh ]; then
		echo "Creating rc.d telnet symbolic link"
		if [ ! -L $ETCPATH/rc.d/rc1.d/S28teld ]; then
			ln -s $ETCPATH/init.d/teld.sh $ETCPATH/rc.d/rc1.d/S28teld
		fi
		
		if [ -L $ETCPATH/rc.d/rc1.d/S28teld ]; then
			echo "Succesfully created rc.d telnet symbolic link or already exists"
			upstat 1 4
		else
			echo "Could not create rc.d telnetd symbolic link."
			upstat 2 4

		fi
	else
		echo "Could not create rc.d telnet symbolic link. /etc/init.d/teld.sh does not exist"
	fi
	
fi

sync

# If succesful, backup current etc directory to MTD so it sticks on next reboot
echo "Saving backup time/date to MTD"
. /etc/init.d/vstfunc

#timedate_save

echo "Syncing /etc to MTD"
/usr/sbin/etc_tools p
echo "Synced /etc with MTD - exiting..."
sync
upstat 1 5

exit 0
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