br-ext/package/optee_client/S30optee

#!/bin/sh
#
# /etc/init.d/optee
#
# Start/stop tee-supplicant (OP-TEE normal world daemon)
#
case "$1" in
    start)
	if [ -e /usr/sbin/tee-supplicant -a -e /dev/teepriv0 ]; then
		# tee-supplicant and the client applications need not run as
		# root provided that the TEE devices and the data store have
		# proper permissions
		printf "Setting permissions on /dev/tee*... "
		chown root:tee /dev/teepriv0 && chmod 0660 /dev/teepriv0 && \
			chown root:teeclnt /dev/tee0 && chmod 0660 /dev/tee0
		[ $? = 0 ] && echo "OK" || echo "FAIL"
		if [ -e /dev/ion ]; then
			printf "Setting permissions on /dev/ion... "
			chown root:ion /dev/ion && chmod 0660 /dev/ion
			[ $? = 0 ] && echo "OK" || echo "FAIL"
		fi
		printf "Starting tee-supplicant... "
		su tee -c '/usr/sbin/tee-supplicant -d'
		[ $? = 0 ] && echo "OK" || echo "FAIL"
	else
		echo "tee-supplicant or TEE device not found"
		exit 1
	fi

        ;;
    stop)
	killall tee-supplicant
	;;
    status)
	cat /dev/teepriv0 2>&1 | grep -q "Device or resource busy" || not="not "
	echo "tee-supplicant is ${not}active"
	;;
esac