#!/bin/bash
#
# $Id: rc.autofs.in,v 1.63 2006/03/30 02:09:51 raven Exp $
#
# rc file for automount using a Sun-style "master map".
#
# chkconfig: 345 28 72
# processname: /usr/sbin/automount
# config: /etc/auto.master
# description: Automounts filesystems on demand

#
# Location of the automount daemon and the init directory
#
DAEMON=/usr/sbin/automount
prog=`basename $DAEMON`
MODULE="autofs4"
DEVICE="autofs"
initdir=/etc/init.d
confdir=/etc/sysconfig

test -e $DAEMON || exit 0

if [ -r $initdir/functions ]; then
	. $initdir/functions
fi

PATH=/sbin:/usr/sbin:/bin:/usr/bin
export PATH

#
# load customized configuation settings
#
if [ -r $confdir/autofs ]; then
	. $confdir/autofs
fi

function start() {
	# Make sure autofs4 module is loaded
	if ! grep -q autofs /proc/filesystems
	then
		echo -n "Loading $MODULE: "
		# Try load the autofs4 module fail if we can't
		modprobe $MODULE >/dev/null 2>&1
		RETVAL=$?
		if [ $RETVAL -eq 1 ]
		then
			failure "Load $MODULE"
			echo
			return $RETVAL
		else
			success "Load $MODULE"
			echo
		fi
	elif ([ -f /proc/modules ] && lsmod) | grep -q autofs[^4]
	then
		RETVAL=1
		failure "Load $MODULE"
		echo
		return $RETVAL
	fi

	# Check misc device
	if [ -n "$USE_MISC_DEVICE" -a "x$USE_MISC_DEVICE" = "xyes" ]; then
		sleep 1
		if [ -e "/proc/misc" ]; then
			MINOR=`awk "/$DEVICE/ {print \\$1}" /proc/misc`
			if [ -n "$MINOR" -a ! -c "/dev/$DEVICE" ]; then
				mknod -m 0600 /dev/$DEVICE c 10 $MINOR
			fi
		fi
		if [ -x /sbin/restorecon -a -c /dev/$DEVICE ]; then
			/sbin/restorecon /dev/$DEVICE
		fi
	else
		if [ -c /dev/$DEVICE ]; then
			rm /dev/$DEVICE
		fi
	fi

	echo -n $"Starting $prog: "
	$prog $OPTIONS --pid-file /var/run/autofs.pid
	RETVAL=$?
	if [ $RETVAL -eq 0 ] ; then
		success "$prog startup"
	else
		failure "$prog startup"
	fi
	if [ $RETVAL -eq 0 ]; then
		touch /var/lock/subsys/autofs
	else
		RETVAL=1
	fi
	echo
	return $RETVAL
}

function stop() {
	echo -n $"Stopping $prog: "
	count=0
	while [ -n "`pidof $prog`" -a $count -lt 15 ] ; do
		killproc $prog -TERM >& /dev/null
		RETVAL=$?
		[ $RETVAL = 0 -a -z "`pidof $prog`" ] || sleep 20
		count=`expr $count + 1`
	done
	if [ $RETVAL -eq 0 ]; then
		rm -f /var/lock/subsys/autofs
	else
		RETVAL=1
	fi
	if [ -n "`pidof $prog`" ] ; then
		failure "$prog shutdown"
	else
		success "$prog shutdown"
	fi
	echo
	return $RETVAL
}

function restart() {
	if [ -n "`pidof $prog`" ]; then
		stop
		if [ -n "`pidof $prog`" ]; then
			# If we failed to stop, try at least one more time
			# after waiting a little while
			sleep 20
			stop
			auto_pid=`pidof $prog`
			if [ -n "$auto_pid" ]; then
				kill -9 $auto_pid
			fi
		fi
	fi
	start
}

function reload() {
	if [ ! -f /var/lock/subsys/autofs ]; then
		echo $"$prog not running"
		RETVAL=1
		return $RETVAL
	fi
	pid=`pidof $prog`
	if [ -z $pid ]; then
		echo $"$prog not running"
		RETVAL=1
	else
		kill -HUP $pid 2> /dev/null
		echo $"Reloading maps"
		RETVAL=0
	fi
	return $RETVAL
}

RETVAL=0

# Only the root user may change the service status
if [ `id -u` -ne 0 ]; then
	echo "insufficient privilege to change service status"
	exit 4
fi

function usage() {
		echo $"Usage: $0 {start|forcestart|stop|status|restart|forcerestart|reload|condrestart|force-reload|try-restart|usage}"
}

case "$1" in
	start)
		start
		;;
	forcestart)
		OPTIONS="$OPTIONS --force"
		start
		;;
	stop)
		stop
		;;
	status)
		status -p /var/run/autofs.pid $prog
		RETVAL=$?
		if [ $RETVAL -eq 3 -a -e /var/lock/subsys/autofs ]; then
			exit 2
		else
			exit $RETVAL
		fi
		;;
	restart)
		restart
		;;
	forcerestart)
		OPTIONS="$OPTIONS --force"
		restart
		;;
	reload)
		reload
		;;
	condrestart)
		if [ -f /var/lock/subsys/autofs ]; then
			restart
		fi
		;;
	usage)
		usage
		;;
	try-restart|force-reload)
		echo "$1 service action not supported"
		usage
		exit 3
		;;
	*)
		echo "unknown, invalid or excess argument(s)"
		usage
		exit 2
		;;
esac

exit $?