#!/bin/bash
#
# rpcidmapd     Start up and shut down RPC name to UID/GID mapper
#
# chkconfig: 345 18 85
# description: Starts user-level daemon for NFSv4 that maps user \
#              names to UID and GID numbers.

### BEGIN INIT INFO
# Provides: rpcidmapd
# Required-Start: $network $syslog
# Required-Stop: $network $syslog
# Default-Start: 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Starts the NFSv4 id mapping daemon
# Description: NFS is a popular protocol for file sharing across \
#          networks. This deamon maps user names and groups to UID \
#          and GID numbers on NFSv4 mounts.
### END INIT INFO

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

# Source networking configuration.
[ -f /etc/sysconfig/network ] &&  . /etc/sysconfig/network

# Check for and source configuration file otherwise set defaults
[ -f /etc/sysconfig/nfs ] && . /etc/sysconfig/nfs

RETVAL=0
prog="rpc.idmapd"
LOCKFILE=/var/lock/subsys/$prog
uid=`id | cut -d\( -f1 | cut -d= -f2`

case "$1" in
  start|condstart)
	# Check that networking is up.
	[ "${NETWORKING}" != "yes" ] && exit 6
	
	[ ! -x /usr/sbin/rpc.idmapd ] && exit 5

	# Only root can start the service
	[ $uid -ne 0 ] && exit 4

	# Make sure the daemon is not already running.
	[ "$1" = "condstart" -a -n "`pidofproc $prog`" ] && {
		killproc $prog "-SIGHUP" > /dev/null
		exit 0
	}
	[ "$1" = "start" ] && {
		if status $prog > /dev/null ; then
			exit 0
		fi
	}
	rm -f $LOCKFILE

	echo -n $"Starting RPC idmapd: "

	# Make sure the rpc_pipefs filesystem is available
	[ "${RPCMTAB}" != "noload" ] && {
		RPCMTAB=`grep -v '^#' /proc/mounts | \
			awk '{ if ($3 ~ /^rpc_pipefs$/ ) print $2}'`
		[ -z "${RPCMTAB}" ] && {
			[ -x /sbin/lsmod -a -x /sbin/modprobe ] && {
				if ! /sbin/lsmod | grep sunrpc > /dev/null ; then
				 	/sbin/modprobe sunrpc
				fi
			}
			RPCMTAB=`grep -v '^#' /proc/mounts | \
				awk '{ if ($3 ~ /^rpc_pipefs$/ ) print $2}'`
			[ -z "${RPCMTAB}" ] && { \
				echo "Error: RPC MTAB does not exist."
				exit 6
			}
		}
	}

	# Start daemon.
	daemon $prog ${RPCIDMAPDARGS}
	RETVAL=$?
	echo
	[ $RETVAL -eq 0 ] && touch $LOCKFILE
	;;
  stop)
	# Only root can stop the service
	[ $uid -ne 0 ] && exit 4

	# Stop daemon.
	echo -n $"Stopping RPC idmapd: "
	killproc $prog
	RETVAL=$?
	echo
	rm -f $LOCKFILE
	;;
  status)
	status rpc.idmapd
	RETVAL=$?
	;;
  restart|reload|force-reload)
	$0 stop
	$0 start
	RETVAL=$?
	;;
  condrestart|try-restart)
	if [ -f $LOCKFILE ]; then
		$0 restart
		RETVAL=$?
	fi
	;;
  condstop)
	if [ -f $LOCKFILE ]; then
		$0 stop
		RETVAL=$?
	fi
	;;
  *)
	echo $"Usage: $0 {start|stop|restart|force-reload|condstart|condrestart|try-restart|status|condstop}"
	RETVAL=2
	;;
esac

exit $RETVAL