#!/bin/bash

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

source /etc/sysconfig/network

# Check that networking is up.

NFSFSTAB=`grep -v '^#' /etc/fstab | awk '{ if ($3 ~ /^nfs$/ && $4 !~ /noauto/) print $2}'`
SMBFSTAB=`grep -v '^#' /etc/fstab | awk '{ if ($3 ~ /^smbfs$/ && $4 !~ /noauto/) print $2}'`
NCPFSTAB=`grep -v '^#' /etc/fstab | awk '{ if ($3 ~ /^ncpfs$/ && $4 !~ /noauto/) print $2}'`
NETDEVMTAB=`grep -v '^#' /proc/mounts | awk '{ if (($4 ~ /_netdev$/) && ($2 != "/")) print $2}'`
NFSMTAB=`grep -v '^#' /proc/mounts | awk '{ if (($3 ~ /nfs$/) && ($2 != "/")) print $2}'`
SMBMTAB=`grep -v '^#' /proc/mounts | awk '{ if ($3 ~ /^smbfs$/ ) print $2}'`
NCPMTAB=`grep -v '^#' /proc/mounts | awk '{ if ($3 ~ /^ncpfs$/ ) print $2}'`

# See how we were called.
case "$1" in
  start)
        [ -n "$NFSFSTAB" ] && 
	  {
	    [ ! -f /var/lock/portmap ] && /etc/rc.d/init/portmap start
	    action "Mounting NFS filesystems... " mount -a -t nfs
	  }
        [ -n "$SMBFSTAB" ] && echo "Mounting SMB filesystems... " && mount -a -t smbfs && evaluate_retval
        [ -n "$NCPFSTAB" ] && echo "Mounting NCP filesystems... " && mount -a -t ncpfs && evaluate_retval
	touch /var/lock/netfs
	echo "Mounting other network filesystems... " && mount -a -t noproc,nonfs,smbfs,ncpfs,codafs && evaluate_retval
	;;
  stop)
  	[ -n "$NETDEVMTAB" ] && {
		sig=
		retry=3
		while [ -n "$remaining" -a "$retry" -gt 0 ]
		do
			if [ "$retry" -lt 3 ]; then
				echo "Unmounting network block filesystems (retry)... " && umount -a -O _netdev
			else
				echo "Unmounting network block filesystems... " && umount -a -O _netdev
			fi
			sleep 2
			remaining=`awk '!/^#/ && $4 ~ /_netdev/ && $2 != "/" {print $2}' /proc/mounts`
			[ -z "$remaining" ] && break
			/sbin/fuser -k -m $sig $remaining >/dev/null
			sleep 5
			retry=$(($retry - 1))
			sig=-9
		done
		evaluate_retval
	}
  	[ -n "$NFSMTAB" ] && {
		sig=
		retry=3
		remaining=`awk '!/^#/ && $3 ~ /^nfs/ && $2 != "/" {print $2}' /proc/mounts`
		while [ -n "$remaining" -a "$retry" -gt 0 ]
		do
			if [ "$retry" -lt 3 ]; then
				echo "Unmounting NFS filesystems (retry)... " && umount -f -a -t nfs
			else
				echo "Unmounting NFS filesystems... " && umount -f -a -t nfs
			fi
			sleep 2
			remaining=`awk '!/^#/ && $3 ~ /^nfs/ && $2 != "/" {print $2}' /proc/mounts`
			[ -z "$remaining" ] && break
			/sbin/fuser -k -m $sig $remaining >/dev/null
			sleep 5
			retry=$(($retry - 1))
			sig=-9
		done
		evaluate_retval
	}
	[ -n "$SMBMTAB" ] && echo "Unmounting SMB filesystems... " && umount -a -t smbfs && evaluate_retval
	[ -n "$NCPMTAB" ] && echo "Unmounting NCP filesystems... " && umount -a -t ncpfs && evaluate_retval
	rm -f /var/lock/netfs
	;;
  status)
	if [ -f /proc/mounts ] ; then
	        [ -n "$NFSFSTAB" ] && {
		     echo "Configured NFS mountpoints: "
		     for fs in $NFSFSTAB; do echo $fs ; done
		}
	        [ -n "$SMBFSTAB" ] && {
		     echo "Configured SMB mountpoints: "
		     for fs in $SMBFSTAB; do echo $fs ; done
		}
	        [ -n "$NCPFSTAB" ] && {
		     echo "Configured NCP mountpoints: "
		     for fs in $NCPFSTAB; do echo $fs ; done
		}
		[ -n "$NFSMTAB" ] && {
                      echo "Active NFS mountpoints: "
		      for fs in $NFSMTAB; do echo $fs ; done
		}
		[ -n "$SMBMTAB" ] && {
                      echo "Active SMB mountpoints: "
		      for fs in $SMBMTAB; do echo $fs ; done
		}
		[ -n "$NCPMTAB" ] && {
                      echo "Active NCP mountpoints: "
		      for fs in $NCPMTAB; do echo $fs ; done
		}
	else
		echo "/proc filesystem unavailable"
	fi
	;;
  restart)
	$0 stop
	$0 start
	;;
  *)
	echo "Usage: %s {start|stop|restart|status}" $0
	exit 1
esac

exit 0