#!/bin/bash
#
# /etc/rc.shutdown
#

. /etc/rc.conf
. /etc/rc.d/functions

export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"

run_hook shutdown_start

# avoid staircase effect
stty onlcr

echo " "
printhl "Initiating Shutdown..."
echo " "

[[ -x /etc/rc.local.shutdown ]] && /etc/rc.local.shutdown

kill_everything shutdown

stat_busy "Saving Random Seed"
RANDOM_SEED=/var/lib/misc/random-seed
[[ -d ${RANDOM_SEED%/*} ]] || mkdir -p ${RANDOM_SEED%/*}
: > $RANDOM_SEED
chmod 0600 $RANDOM_SEED
POOL_FILE=/proc/sys/kernel/random/poolsize
if [[ -r $POOL_FILE ]]; then
	read POOL_SIZE <$POOL_FILE
else
	POOL_SIZE=512
fi
dd if=/dev/urandom of=$RANDOM_SEED count=1 bs=$POOL_SIZE &> /dev/null
stat_done

if [[ $TIMEZONE && -e /usr/share/zoneinfo/$TIMEZONE ]]; then
	rm -f /etc/localtime
	status "Saving Time Zone" \
		cp "/usr/share/zoneinfo/$TIMEZONE" /etc/localtime
fi

# Write to wtmp file before unmounting
halt -w

status "Deactivating Swap" swapoff -a

# stop monitoring of lvm2 groups before unmounting filesystems
if [[ $USELVM =~ yes|YES && -x $(type -P lvm) && -d /sys/block ]]; then
	status "Deactivating monitoring of LVM2 groups" \
		vgchange --monitor n >/dev/null 2>&1
fi

stat_busy "Unmounting Filesystems"
if grep -q devtmpfs /proc/filesystems &>/dev/null; then
	umount -a -r -t nosysfs,noproc,nodevtmpfs,nodevpts -O no_netdev
else
	# if we don't have devtmpfs support, /dev is mounted as tmpfs, so don't unmount it
	umount -a -r -t notmpfs,nosysfs,noproc,nodevpts -O no_netdev
fi
stat_done

# Kill non-root encrypted partition mappings
if [[ -f /etc/crypttab && -n $CS ]] && grep -q ^[^#] /etc/crypttab; then
	stat_busy "Deactivating encrypted volumes:"
	# Maybe someone has LVM on an encrypted block device
	# executing an extra vgchange is errorless
	if [[ $USELVM =~ yes|YES ]]; then
		vgchange --sysinit -a n >/dev/null 2>&1
	fi
	do_lock() {
		stat_append "${1}.."
		if $CS remove "$1" >/dev/null 2>&1; then
			stat_append "ok "
		else
			stat_append "failed "
		fi
	}
	read_crypttab do_lock
	stat_done
fi

if [[ $USELVM =~ yes|YES && -x $(type -P lvm) && -d /sys/block ]]; then
	status "Deactivating LVM2 groups" vgchange --sysinit -a n >/dev/null 2>&1
fi

status "Remounting Root Filesystem Read-only" mount -n -o remount,ro /

run_hook shutdown_poweroff

# Power off or reboot
printsep
if [[ $RUNLEVEL = 0 ]]; then
	printhl "${C_H2}POWER OFF"
	poweroff -d -f -h -i
else
	printhl "${C_H2}REBOOTING"
	# if kexec is installed and a kernel is loaded, use it
	[[ -x $(type -P kexec) ]] && kexec -e > /dev/null 2>&1
	reboot -d -f -i
fi

# End of file
# vim: set ts=2 sw=2 noet: