gbde revision 126744 
1#!/bin/sh
2#
3# This file, originally written by Garrett A. Wollman, is in the public
4# domain.
5#
6# $FreeBSD: head/etc/rc.d/gbde 126744 2004-03-08 12:25:05Z pjd $
7#
8
9# PROVIDE: disks
10# KEYWORD: FreeBSD nojail
11
12. /etc/rc.subr
13
14name="gbde"
15start_precmd="find_gbde_devices start"
16stop_precmd="find_gbde_devices stop"
17start_cmd="gbde_start"
18stop_cmd="gbde_stop"
19
20find_gbde_devices()
21{
22	case "${gbde_devices-auto}" in
23	[Aa][Uu][Tt][Oo])
24		gbde_devices=""
25		;;
26	*)
27		return 0
28		;;
29	esac
30
31	case "$1" in
32	start)
33		fstab="/etc/fstab"
34		;;
35	stop)
36		fstab=$(mktemp /tmp/mtab.XXXXXX)
37		mount -p >${fstab}
38		;;
39	esac
40
41	#
42	# We can't use "mount -p | while ..." because when a shell loop
43	# is the target of a pipe it executes in a subshell, and so can't
44	# modify variables in the script.
45	#
46	while read device mountpt type options dump pass; do
47		case "$device" in
48		*.bde)
49			# Ignore swap devices
50			case "$type" in
51			swap)
52				continue
53				;;
54			esac
55
56			case "$options" in
57			*noauto*)
58				if checkyesno gbde_autoattach_all; then
59					gbde_devices="${gbde_devices} ${device}"
60				fi
61				;;
62			*)
63				gbde_devices="${gbde_devices} ${device}"
64				;;
65			esac
66			;;
67		esac
68	done <${fstab}
69
70	case "$1" in
71	stop)
72		rm -f ${fstab}
73		;;
74	esac
75
76	return 0
77}
78
79gbde_start()
80{
81	for device in $gbde_devices; do
82		parentdev=${device%.bde}
83		parent=${parentdev#/dev/}
84		eval "lock=\${gbde_lock_${parent}-\"/etc/${parent}.lock\"}"
85		if [ -e $lock ]; then
86			echo "Configuring Disk Encryption for ${device}."
87			gbde attach ${parentdev} -l ${lock}
88		fi
89	done
90}
91
92gbde_stop()
93{
94	for device in $gbde_devices; do
95		umount ${device}
96		gbde detach ${device%.bde}
97	done
98}
99
100load_rc_config $name
101run_rc_command "$1"
102