#!/bin/bash
#
# rpcidmapd     Start up and shut down RPC name to UID/GID mapper
#
# Authors:	Chuck Lever <cel@netapp.com>
#		Bernhard Rosenkraenzer <bero@arklinux.org>
#
# chkconfig: 345 18 68
# description: Starts user-level daemon for NFSv4 that maps user \
#              names to UID and GID numbers.

# Source function library.
. /etc/init.d/functions

# Source networking configuration.
if [ ! -f /etc/sysconfig/network ]; then
    exit 0
fi
. /etc/sysconfig/network

# Check that networking is up.
[ "${NETWORKING}" = "no" ] && exit 0

[ ! -x /usr/sbin/rpc.idmapd ] && exit 0

OPTIONS=""
RETVAL=0
prog="rpc.idmapd"

case "$1" in
  start|condstart)
	# Make sure the daemon is not already running.
	if status $prog > /dev/null ; then
		[ "$1" = "condstart" ] && killproc $prog "-SIGHUP"
		exit 0
	fi
	rm -f /var/lock/subsys/$prog

	echo -n $"Starting RPC idmapd: "

	# Load sunrpc and mount the rpc_pipes fs.
	[ -x /bin/lsmod -a -x /sbin/modprobe ] && {
		if ! /bin/lsmod | grep sunrpc > /dev/null ; then
			 /sbin/modprobe sunrpc || exit 1
		fi
		if ! cat /proc/mounts |grep -q "/var/lib/nfs/rpc_pipefs"; then
			/bin/mount -t rpc_pipefs none /var/lib/nfs/rpc_pipefs
		fi
	}

	# Make sure the mount worked.
	[ -z "${RPCMTAB}" ] && RPCMTAB=`grep -v '^#' /proc/mounts | \
		awk '{ if ($3 ~ /^rpc_pipefs$/ ) print $2}'`
	[ -z "${RPCMTAB}" ] && {
		echo "Error: RPC MTAB does not exist."
		exit 1
	}	

	# Start daemon.
	daemon $prog ${OPTIONS}
	RETVAL=$?
	echo
	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/rpc.idmapd
	;;
  stop)
	# Stop daemon.
	echo -n $"Shutting down RPC idmapd: "
	killproc $prog
	RETVAL=$?
	echo
	# Try to unmount rpc_pipefs and unload the module, don't make this
	# fatal though, something else might be using it
	/bin/umount /var/lib/nfs/rpc_pipefs &>/dev/null || :
	/sbin/rmmod sunrpc &>/dev/null || :
	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/rpc.idmapd
	;;
  status)
	status rpc.idmapd
	RETVAL=$?
	;;
  restart|reload)
	$0 stop
	$0 start
	RETVAL=$?
	;;
  condrestart)
	if [ -f /var/lock/subsys/rpc.idmapd ]; then
		$0 restart
		RETVAL=$?
	fi
	;;
  *)
	echo $"Usage: $0 {start|stop|restart|condstart|condrestart|status}"
	exit 1
esac

exit $RETVAL