#!/sbin/runscript
# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-crypt/tpm-emulator/files/tpm-emulator.initd-0.5.1,v 1.1 2009/09/21 10:40:39 robbat2 Exp $

opts="save clear deactivated"

STARTUP_MODE="${STARTUP_MODE:-'save'}"

LOGFILE=/var/log/tpm/tpm-emulator.log


depend() {
	use logger
	after coldplug
}

checkconfig() {
	lsmod | grep -q "^tpmd_dev\b" \
		|| modprobe tpmd_dev &>/dev/null \
		|| eerror "Failed to load module tpmd_dev, assuming you have it built-in to kernel.";

	if [ ! -c /dev/tpm ] && [ ! -c /dev/tpm0 ] ; then
		eerror "No TPM device found!"
		return 1
	fi
	return 0
}

start() {
	ebegin "Starting tpm-emulator daemon with mode '$STARTUP_MODE' (tpmd)"
	checkconfig || eend $?
	start-stop-daemon --start --chuid tss \
		--background --stdout $LOGFILE --stderr $LOGFILE \
		--exec /usr/sbin/tpmd -- -f ${DEBUG:+-d} $STARTUP_MODE
	sleep 1
	chmod g+w /var/run/tpm/tpmd_socket:0
	eend $?
}

save() {
	STARTUP_MODE='save';
	svc_restart 
}

clear() {
	STARTUP_MODE='clear';
	svc_restart 
}

deactivated() {
	STARTUP_MODE='deactivated';
	svc_restart 
}

stop() {
	ebegin "Stopping tpm-emulator daemon (tpmd)"
	start-stop-daemon --stop --exec /usr/sbin/tpmd --user tss > /dev/null
	eend $?
}