#!/bin/sh my_name="$0" check_required_files() { [ -f "$1" ] || { echo "$my_name: $1 is missing" exit 1 } } check_device() { ls -1 /dev/tpm[0-9]* > /dev/null 2>&1 || { echo "device driver not loaded, skipping." exit 0 } chown tss:tss /dev/tpm[0-9]* && chmod 600 /dev/tpm* } rm_stale_pidfile() { if [ -e "$1" ]; then exe="/proc/$(cat "$1")/exe" { [ -s "$exe" ] && [ "$(readlink -f "$exe")" = "$2" ]; } || rm -f "$1" fi } start() { printf "Starting tpm2-abrmd: " check_device rm_stale_pidfile /var/run/tpm2-abrmd.pid /usr/sbin/tpm2-abrmd start-stop-daemon -S -q -o -b -m -p /var/run/tpm2-abrmd.pid -c tss:tss -x /usr/sbin/tpm2-abrmd -- ${DAEMON_OPTS} || { echo "FAIL" exit 1 } pidof /usr/sbin/tpm2-abrmd > /var/run/tpm2-abrmd.pid echo "OK" } stop() { printf "Stopping tpm2-abrmd: " start-stop-daemon -K -q -o -p /var/run/tpm2-abrmd.pid -u tss -x /usr/sbin/tpm2-abrmd || { echo "FAIL" exit 1 } rm_stale_pidfile /var/run/tpm2-abrmd.pid /usr/sbin/tpm2-abrmd echo "OK" } check_required_files /etc/dbus-1/system.d/tpm2-abrmd.conf # defaults DAEMON_OPTS="--tcti=device --logger=syslog --max-connections=20" # Read configuration variable file if it is present [ -r /etc/default/tpm2-abrmd ] && . /etc/default/tpm2-abrmd case "$1" in start) start ;; stop) stop ;; restart|reload) stop sleep 1 start ;; *) echo "Usage: tpm2-abrmd {start|stop|restart|reload}" >&2 exit 1 esac exit 0