#!/bin/sh
#
# netfs         Mount network filesystems.
#
# Authors:	Bill Nottingham <notting@redhat.com>
#		AJ Lewis <alewis@redhat.com>
# 		Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
#
# chkconfig: 345 25 75
# description: Mounts and unmounts all Network File System (NFS), \
#	       CIFS (Lan Manager/Windows), and NCP (NetWare) mount points.

[ -f /etc/sysconfig/network ] || exit 0
. /etc/rc.d/init.d/functions
. /etc/rc.d/init.d/cryptsetup
. /etc/sysconfig/network

if is_yes "$VSERVER" || [[ "$container" = lxc* ]]; then
	exit 0
fi

# nfs uses own script for that
if [ ! -f /etc/rc.d/init.d/nfsfs ]; then
	NFSFSTAB=$(LC_ALL=C awk '!/^#/ && $3 ~ /^nfs/ && $3 != "nfsd" && $4 !~ /noauto/ { print $2 }' /etc/fstab)
	NFSMTAB=$(LC_ALL=C awk '$3 ~ /^nfs/ && $3 != "nfsd" && $2 != "/" { print $2 }' /proc/mounts)
fi

CIFSFSTAB=$(LC_ALL=C awk '!/^#/ && $3 == "cifs" && $4 !~ /noauto/ { print $2 }' /etc/fstab)
NCPFSTAB=$(LC_ALL=C awk '!/^#/ && $3 == "ncpfs" && $4 !~ /noauto/ { print $2 }' /etc/fstab)
NETDEVFSTAB=$(LC_ALL=C awk '!/^#/ && $4 ~/_netdev/ && $4 !~ /noauto/ { print $1 }' /etc/fstab)

NFSMTAB=$(LC_ALL=C awk '$3 ~ /^nfs/ && $3 != "nfsd" && $2 != "/" { print $2 }' /proc/mounts)
CIFSMTAB=$(LC_ALL=C awk '$3 == "cifs" { print $2 }' /proc/mounts)
NCPMTAB=$(LC_ALL=C awk '$3 == "ncpfs" { print $2 }' /proc/mounts)
NETDEVMTAB=$(LC_ALL=C awk '$4 ~ /_netdev/ && $2 != "/" { print $2 }' /etc/mtab)

start() {
	if [ ! -f /var/lock/subsys/network ]; then
		return
	fi
	if [ "$(id -u)" != "0" ]; then
		RETVAL=4
		return
	fi

	[ -n "$NFSFSTAB" ] && {
		[ ! -f /var/lock/subsys/rpcbind ] && service rpcbind start
		run_cmd "Mounting NFS filesystems" mount -a -t nfs,nfs4
	}

	[ -n "$CIFSFSTAB" ] && run_cmd "Mounting CIFS filesystems" mount -a -t cifs
	[ -n "$NCPFSTAB" ] && run_cmd "Mounting NCP filesystems" mount -a -t ncpfs

	[ -n "$NETDEVFSTAB" ] && {
		if [ -f /etc/mdadm.conf ]; then
			mdadm -A -s
		fi

		if [ -f /etc/multipath.conf ] && [ -x /sbin/multipath ]; then
			modprobe dm-multipath >/dev/null 2>&1
			/sbin/multipath -v 0
			if [ -x /sbin/kpartx ]; then
				/sbin/dmsetup ls --target multipath --exec "/sbin/kpartx -a -p p"
			fi
		fi

		if [ -x /sbin/lvm ]; then
			if /sbin/lvm vgscan > /dev/null 2>&1 ; then
				run_cmd "Setting up Logical Volume Management" /sbin/lvm vgchange -a y
			fi
		fi

		if [ -f /etc/crypttab ]; then
			init_crypto 1
		fi

		show "Checking network-attached filesystems"; started
		initlog -c "fsck -A -T -R -a -t opts=_netdev"
		rc=$?
		
		if [ "$rc" -gt 1 ]; then
			echo
			echo
			nls "*** An error occurred during the file system check."
			nls "*** Dropping you to a shell; the system will reboot"
			nls "*** when you leave the shell."
			
			PS1="$(nls '(Repair filesystem)# ')"; export PS1
			[ "$SELINUX" = "1" ] && disable_selinux
			if ! is_no "$RUN_SULOGIN_ON_ERR"; then
				/sbin/sulogin
			else
				/bin/sh
			fi
			shutdown -r now
		fi
	}

	run_cmd "Mounting other filesystems" mount -a -t nonfs,nfs4,cifs,ncpfs,gfs,devpts

	touch /var/lock/subsys/netfs
}

stop() {
	# Unmount loopback stuff first
	if [ "$(id -u)" != "0" ]; then
		RETVAL=4
		return
	fi

	__umount_loopback_loop
	if [ -n "$NETDEVMTAB" ]; then
		__umount_loop '$4 ~ /_netdev/ && $2 != "/" {print $2}' \
			/etc/mtab \
			"$(nls "Unmounting network block filesystems")" \
			"$(nls "Unmounting network block filesystems (retry)")"
	fi
	if [ -n "$NFSMTAB" ]; then
		__umount_loop '$3 ~ /^nfs/ && $3 != "nfsd" && $2 != "/" {print $2}' \
			/proc/mounts \
			"$(nls "Unmounting NFS filesystems")" \
			"$(nls "Unmounting NFS filesystems (retry)")" \
			"-f -l"
	fi
	[ -n "$CIFSMTAB" ] && run_cmd "Unmounting CIFS filesystems" umount -a -t cifs
	[ -n "$NCPMTAB" ] && run_cmd "Unmounting NCP filesystems" umount -a -t ncp,ncpfs
	rm -f /var/lock/subsys/netfs
}

status() {
	[ -r /var/lock/subsys/netfs ] || RETVAL=3

	if [ ! -f /proc/mounts ]; then
		nls "/proc filesystem unavailable"
		return
	fi

	[ -n "$NFSFSTAB" ] && {
		nls "Configured NFS mountpoints: "
		for fs in $NFSFSTAB; do echo $fs; done
	}
	[ -n "$CIFSFSTAB" ] && {
		nls "Configured CIFS mountpoints: "
		for fs in $CIFSFSTAB; do echo $fs; done
	}
	[ -n "$NCPFSTAB" ] && {
		nls "Configured NCP mountpoints: "
		for fs in $NCPFSTAB; do echo $fs; done
	}
	[ -n "$NETDEVFSTAB" ] && {
		nls "Configured network block devices: "
		for fs in $NETDEVFSTAB; do echo $fs; done
	}
	[ -n "$NFSMTAB" ] && {
		nls "Active NFS mountpoints: "
		for fs in $NFSMTAB; do echo $fs; done
	}
	[ -n "$CIFSMTAB" ] && {
		nls "Active CIFS mountpoints: "
		for fs in $CIFSMTAB; do echo $fs; done
	}
	[ -n "$NCPMTAB" ] && {
		nls "Active NCP mountpoints: "
		for fs in $NCPMTAB; do echo $fs; done
	}
	[ -n "$NETDEVMTAB" ] && {
		nls "Active network block devices: "
		for fs in $NETDEVMTAB; do echo $fs; done
	}
}

RETVAL=0
# See how we were called.
case "$1" in
  start)
	if is_yes "$VSERVER_ISOLATION_NET"; then
		exit 0
	fi
	start
	;;
  stop)
	if is_yes "$VSERVER_ISOLATION_NET"; then
		exit 0
	fi
	stop
	;;
  restart)
	if is_yes "$VSERVER_ISOLATION_NET"; then
		exit 0
	fi
	stop
	start
	;;
  reload)
	if is_yes "$VSERVER_ISOLATION_NET"; then
		exit 0
	fi
	start
	;;
  status)
	status
	;;
  *)
	msg_usage "$0 {start|stop|restart|reload|status}"
	exit 3
esac

exit $RETVAL