#!/bin/sh

# mountnetfs

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

log_script_name "$0 $*"

mountnetfs_stop() {
    # The following line obtains a list from the output of
    # mount for all netfs types and anything that was
    # mounted with the _netdev option.
    NETMOUNTS=`/bin/mount \
        | /bin/grep '_netdev\|smbfs\|ncpfs|\coda\|nfs' \
	| /usr/bin/cut -d " " -f 3 | /bin/sed 's/$/ /g'`

    # Check to see if anything was listed from above
    # (see if anything is actually needs to be unmounted)
    if [ x"$NETMOUNTS" != x ]; then
	# There is something mounted
	# Try and stop processes the nice way
	# (probably won't work in most cases)
	/bin/fuser -TERM -m $NETMOUNTS > /dev/null
	
	# Check and see if it found anything.  If it
	# did, then give 3 seconds for things to exit
	# the nice way before killing them off.
	# This one will work all of the time!
	if [ $? == 0 ]; then
	    /bin/sleep 3
	    /bin/fuser -km $NETMOUNTS > /dev/null
	fi

	# We now need to unmount all network filesystems.
	# We will do this with two umount commands to allow
	# for broken behavior of smbmount, and also to make
	# certain that netmounts without the _netdev option
	# will still get unmounted.
	/bin/umount -a -O _netdev

	# save the return value from umount
	if [ $? != 0 ]; then
	    NERRVAL=${EXIT_CODE_FAILURE}
	fi

	# Now catch the rest of the network filesystems
	# by fstype.  This list can be extended later as
	# more network filesystems are supported by mount.
	/bin/umount -a -t coda,ncpfs,nfs,smbfs
	if [ $? == 0 ]; then
	    return ${NERRVAL}
	else
	    # make certain that we return an error
	    return ${EXIT_CODE_FAILURE}
	fi
    else
	# There is nothing mounted
	msg_log "No network volumes mounted!"
    fi
}


case "$1" in
    start)
        # Walk through /etc/fstab and mount all file systems that have the
	# _netdev option set in the fs_mntops field (the 4th field. See man
	# fstab for more info).
	cmd_run_log_box "Mounting network file systems" mount -a -O _netdev
        ;;

    stop)
	cmd_run_log_box "Unmounting network file systems" mountnetfs_stop
        ;;

    *)
        echo "Usage: $0 {start|stop}"
	exit ${EXIT_CODE_FAILURE}
    ;;
esac

exit $?