br-ext/package/optee_client/S30optee

#!/bin/sh

DAEMON="tee-supplicant"
DAEMON_PATH="/usr/sbin"
DAEMON_ARGS="-d /dev/teepriv0"
PIDFILE="/var/run/$DAEMON.pid"

start() {
	# tee-supplicant and the client applications need not run as
	# root provided that the TEE devices and the data store have
	# proper permissions
	printf 'Set permissions on %s: ' "/dev/tee*"
	chown root:tee /dev/teepriv0 && chmod 0660 /dev/teepriv0 && \
		chown root:teeclnt /dev/tee0 && chmod 0660 /dev/tee0
	status=$?
	if [ "$status" -eq 0 ]; then
		echo "OK"
	else
		echo "FAIL"
		return "$status"
	fi
	if [ -e /dev/ion ]; then
		printf 'Set permissions on %s: ' "/dev/ion"
		chown root:ion /dev/ion && chmod 0660 /dev/ion
		status=$?
		if [ "$status" -eq 0 ]; then
			echo "OK"
		else
			echo "FAIL"
			return "$status"
		fi
	fi
	printf 'Create/set permissions on %s: ' "/data/tee"
	mkdir -p /data/tee && chown -R tee:tee /data/tee && chmod 0770 /data/tee
	status=$?
	if [ "$status" -eq 0 ]; then
		echo "OK"
	else
		echo "FAIL"
		return "$status"
	fi
	printf 'Starting %s: ' "$DAEMON"
	start-stop-daemon -S -q -p "$PIDFILE" -c tee -x "$DAEMON_PATH/$DAEMON" \
		-- $DAEMON_ARGS
	status=$?
	if [ "$status" -eq 0 ]; then
		echo "OK"
	else
		echo "FAIL"
	fi
	return "$status"
}

stop() {
	printf 'Stopping %s: ' "$DAEMON"
	start-stop-daemon -K -q -p "$PIDFILE"
	status=$?
	if [ "$status" -eq 0 ]; then
		echo "OK"
	else
		echo "FAIL"
	fi
	return "$status"
}

restart() {
	stop
	sleep 1
	start
}

case "$1" in
        start|stop|restart)
		"$1";;
	reload)
		# Restart, since there is no true "reload" feature (does not
		# reconfigure/restart on SIGHUP, just closes all open files).
		restart;;
        *)
                echo "Usage: $0 {start|stop|restart|reload}"
                exit 1
esac