xref: /freebsd/libexec/rc/rc.d/geli (revision 8df8b2d3e51d1b816201d8a1fe8bc29fe192e562)
1#!/bin/sh
2#
3# Copyright (c) 2005 Pawel Jakub Dawidek <pjd@FreeBSD.org>
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD$
28#
29
30# PROVIDE: disks
31# KEYWORD: nojail
32
33. /etc/rc.subr
34
35name="geli"
36desc="GELI disk encryption"
37start_precmd='[ -n "$(geli_make_list)" -o -n "${geli_groups}" ]'
38start_cmd="geli_start"
39stop_cmd="geli_stop"
40required_modules="geom_eli:g_eli"
41
42geli_start()
43{
44	devices=`geli_make_list`
45
46	if [ -z "${geli_tries}" ]; then
47		if [ -n "${geli_attach_attempts}" ]; then
48			# Compatibility with rc.d/gbde.
49			geli_tries=${geli_attach_attempts}
50		else
51			geli_tries=`${SYSCTL_N} kern.geom.eli.tries`
52		fi
53	fi
54
55	for provider in ${devices}; do
56		provider_=`ltr ${provider} '/-' '_'`
57
58		eval "flags=\${geli_${provider_}_flags}"
59		if [ -z "${flags}" ]; then
60			flags=${geli_default_flags}
61		fi
62		if [ -e "/dev/${provider}" -a ! -e "/dev/${provider}.eli" ]; then
63			echo "Configuring Disk Encryption for ${provider}."
64			count=1
65			while [ ${count} -le ${geli_tries} ]; do
66				geli attach ${flags} ${provider}
67				if [ -e "/dev/${provider}.eli" ]; then
68					break
69				fi
70				echo "Attach failed; attempt ${count} of ${geli_tries}."
71				count=$((count+1))
72			done
73		fi
74	done
75
76	for group in ${geli_groups}; do
77		group_=`ltr ${group} '/-' '_'`
78
79		eval "flags=\${geli_${group_}_flags}"
80		if [ -z "${flags}" ]; then
81			flags=${geli_default_flags}
82		fi
83
84		eval "providers=\${geli_${group_}_devices}"
85		if [ -z "${providers}" ]; then
86			echo "No devices listed in geli group ${group}."
87			continue
88		fi
89
90		if [ -e "/dev/${providers%% *}" -a ! -e "/dev/${providers%% *}.eli" ]; then
91			echo "Configuring Disk Encryption for geli group ${group}, containing ${providers}."
92			count=1
93			while [ ${count} -le ${geli_tries} ]; do
94				geli attach ${flags} ${providers}
95				if [ -e "/dev/${providers%% *}.eli" ]; then
96					break
97				fi
98				echo "Attach failed; attempt ${count} of ${geli_tries}."
99				count=$((count+1))
100			done
101		fi
102	done
103}
104
105geli_stop()
106{
107	devices=`geli_make_list`
108
109	for group in ${geli_groups}; do
110		group_=`ltr ${group} '/-' '_'`
111
112		eval "providers=\${geli_${group_}_devices}"
113
114		devices="${devices} ${providers}"
115	done
116
117	for provider in ${devices}; do
118		if [ -e "/dev/${provider}.eli" ]; then
119			umount "/dev/${provider}.eli" 2>/dev/null
120			geli detach "${provider}"
121		fi
122	done
123}
124
125load_rc_config $name
126run_rc_command "$1"
127