#!/bin/sh

### BEGIN INIT INFO
# Provides:        tcsd trousers
# Required-Start:    $local_fs $remote_fs $network
# Required-Stop:    $local_fs $remote_fs $network
# Should-Start:
# Should-Stop:
# Default-Start:    2 3 4 5
# Default-Stop:        0 1 6
# Short-Description:    starts tcsd
# Description:        tcsd belongs to the TrouSerS TCG Software Stack
### END INIT INFO

PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/tcsd
NAME=tcsd
DESC="Trusted Computing daemon"
USER="root"

test -x "${DAEMON}" || exit 0

# Read configuration variable file if it is present
# shellcheck source=/dev/null
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

case "${1}" in
    start)
        echo "Starting $DESC: "

        # Generate symlink for tcsd
        rm -f /dev/tpm
        if [ -e /dev/tpm0 ]; then
            ln -s /dev/tpm0 /dev/tpm
        else
            ln -s /dev/tpm1 /dev/tpm
        fi

        start-stop-daemon --start --quiet --oknodo --pidfile /var/run/"${NAME}".pid --user "${USER}" --chuid "${USER}" --exec "${DAEMON}" -- "${DAEMON_OPTS}"
        RETVAL="$?"
        echo "$NAME."
        [ "$RETVAL" = 0 ] && pidof $DAEMON > /var/run/${NAME}.pid
        exit $RETVAL
        ;;

    stop)
        echo "Stopping $DESC: "

        start-stop-daemon --stop --quiet --oknodo --pidfile /var/run/${NAME}.pid --user ${USER} --exec ${DAEMON}
        RETVAL="$?"
                echo  "$NAME."
        rm -f /var/run/${NAME}.pid
        exit $RETVAL
        ;;

    restart|force-reload)
        "${0}" stop
        sleep 1
        "${0}" start
        exit $?
        ;;

    *)
        echo "Usage: ${NAME} {start|stop|restart|force-reload|status}" >&2
        exit 3
        ;;
esac

exit 0
