aboutsummaryrefslogtreecommitdiff
path: root/rc.shutdown
blob: 72f2edd2a175b858476e981f23b8c4ec16612ee8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
#!/bin/bash
#
# /etc/rc.shutdown
#

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

# avoid staircase effect
stty onlcr

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

run_hook shutdown_start

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

stop_all_daemons

run_hook shutdown_prekillall

kill_all

run_hook shutdown_postkillall

stat_busy "Saving Random Seed"
	RANDOM_SEED=/var/lib/misc/random-seed
	install -TDm 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

[[ $TIMEZONE ]] &&
	status "Saving Time Zone" \
		cp --remove-destination "/usr/share/zoneinfo/$TIMEZONE" /etc/localtime

# Write to wtmp file before unmounting
halt -w

status "Deactivating Swap" swapoff -a

# stop monitoring of lvm2 groups before unmounting filesystems
[[ $USELVM = [Yy][Ee][Ss] && -x $(type -P lvm) && -d /sys/block ]] &&
	status "Deactivating monitoring of LVM2 groups" \
		vgchange --monitor n &>/dev/null

# if we don't have devtmpfs support, /dev is mounted as tmpfs, so don't unmount it
status "Unmounting Filesystems" \
	umount -a -r -t nodevtmpfs,notmpfs,nosysfs,noproc,nodevpts -O no_netdev

run_hook shutdown_postumount

# Kill non-root encrypted partition mappings
if [[ -f /etc/crypttab && $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
		[[ $USELVM = [Yy][Ee][Ss] ]] && vgchange --sysinit -a n &>/dev/null
		do_lock() {
			stat_append "${1}.."
			if $CS remove "$1" &>/dev/null; then
				stat_append "ok "
			else
				stat_append "failed "
			fi
		}
		read_crypttab do_lock
	stat_done
fi

[[ $USELVM = [Yy][Ee][Ss] && -x $(type -P lvm) && -d /sys/block ]] &&
	status "Deactivating LVM2 groups" vgchange --sysinit -a n &>/dev/null

if [[ -x /run/initramfs/shutdown ]]; then
	# make /run/initrafs a mount
	mount --bind /run/initramfs /run/initramfs

	# in case someone has shared our mountpoints, unshare them
	mount --make-private /run/initramfs
	mount --make-private /

	# bind all api mounts
	mkdir -p /run/initramfs/{sys,proc,dev,run,oldroot}
	mount --bind /sys /run/initramfs/sys
	mount --bind /proc /run/initramfs/proc
	mount --bind /dev /run/initramfs/dev
	mount --bind /run /run/initramfs/run

	# enter shutdownramfs
	cd /run/initramfs
	pivot_root . oldroot

	#reexec init
	cp /oldroot/sbin/init /sbin
	/oldroot/sbin/init u

	# run /shutdown in the new root
	exec chroot . /shutdown </dev/console >/dev/console 2>&1
else
	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
		reboot -d -f -i
	fi
fi

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