#!/bin/sh

export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/mod/sbin:/mod/bin:/mod/usr/sbin:/mod/usr/bin
export LD_LIBRARY_PATH=/mod/lib

DAEMON=nfsd
NFS_DIR=/var/lib/nfs

. /etc/init.d/modlibrc 

start() {
	set -o noglob
	echo -n 'Starting nfsd...'
	
	# portmap needs this
	modlib_addgroup nobody  
	modlib_adduser nobody -s /bin/false -D -S -H -G nobody -g 'nobody'  
	
	[ -e /etc/exports ] || ( echo "can't open /etc/exports"; exit 1 )

	modprobe nfsd > /dev/null 2>&1
	mkdir -p $NFS_DIR
	for file in etab rmtab xtab; do
	    touch $NFS_DIR/$file
	done
	/usr/sbin/portmap
 	exitval1=$?
	/usr/sbin/exportfs -r > /dev/null 2>&1
 	exitval2=$?
	/usr/sbin/nfsd -p 2047
 	exitval3=$?
	/usr/sbin/mountd
	exitval4=$?

	if [ "$exitval1" -eq 0 ] && [ "$exitval2" -eq 0 ] \
	    && [ "$exitval3" -eq 0 ] && [ "$exitval4" -eq 0 ]; then
		echo 'done.'
	else
		echo 'failed.'
		exit 1
	fi
}

reload() {
	/usr/sbin/exportfs -r > /dev/null 2>&1
	exitval=$?
	if [ "$exitval" -eq 0 ]; then
		echo 'done.'
	else
		echo 'failed.'
		exit $exitval
	fi
}

stop() {
	echo -n 'Stopping nfsd...'

	killall mountd >/dev/null 2>&1
	killall -9 nfsd > /dev/null 2>&1
	/usr/sbin/exportfs -au
	killall portmap > /dev/null 2>&1
	
	exitval=$?
	if [ "$exitval" -eq 0 ]; then
		echo 'done.'
	else
		echo 'failed.'
		exit $exitval
	fi
}

case "$1" in 
	""|load)
		[ -d "/tmp/flash/nfsd" ] || mkdir -p /tmp/flash/nfsd
		ln -fs /tmp/flash/nfsd/exports /var/tmp/exports
		
		modreg cgi 'nfsd' 'NFS-Server'

		deffile='/mod/etc/default.nfsd/hosts_allow.def'
		modreg file 'hosts_allow' 'hosts.allow' 1 "$deffile"

		deffile='/mod/etc/default.nfsd/hosts_deny.def'
		modreg file 'hosts_deny' 'hosts.deny' 1 "$deffile"
		
		deffile='/mod/etc/default.nfsd/exports.def'
		modreg file 'exports' 'Exports' 1 "$deffile"

		if [ "$NFSD_ENABLED" != "yes" ]; then
			echo "$DAEMON is disabled" 1>&2
			exit 1;
		fi
		
		start
		;;
	unload)
		stop
		modunreg file 'exports'
		modunreg file 'hosts_allow'
		modunreg file 'hosts_deny'
		modunreg cgi 'nfsd'
		
		rmmod nfsd lock sunrpc exportfs > /dev/null 2>&1
		;;
	start)
		start
		;;
	stop)
		stop
		;;
	reload)
		reload
		;;
	restart)
		stop
		sleep 1
		start
		;;
	status)
		if [ -z "$(pidof nfsd)" ]; then
			echo 'stopped'
		else
			echo 'running'
		fi
		;;
	*)
		echo "Usage: $0 [load|unload|start|stop|restart|reload|status]" 1>&2
		exit 1
		;;
esac

exit 0