xref: /freebsd/libexec/rc/rc.d/geli (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
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#
28
29# PROVIDE: disks
30# KEYWORD: nojail
31
32. /etc/rc.subr
33
34name="geli"
35desc="GELI disk encryption"
36start_precmd='[ -n "$(geli_make_list)" -o -n "${geli_groups}" ]'
37start_cmd="geli_start"
38stop_cmd="geli_stop"
39required_modules="geom_eli:g_eli"
40
41geli_start()
42{
43	devices=`geli_make_list`
44
45	if [ -z "${geli_tries}" ]; then
46		if [ -n "${geli_attach_attempts}" ]; then
47			# Compatibility with rc.d/gbde.
48			geli_tries=${geli_attach_attempts}
49		else
50			geli_tries=`${SYSCTL_N} kern.geom.eli.tries`
51		fi
52	fi
53
54	for provider in ${devices}; do
55		provider_=`ltr ${provider} '/-' '_'`
56
57		eval "flags=\${geli_${provider_}_flags}"
58		if [ -z "${flags}" ]; then
59			flags=${geli_default_flags}
60		fi
61		if [ -e "/dev/${provider}" -a ! -e "/dev/${provider}.eli" ]; then
62			echo "Configuring Disk Encryption for ${provider}."
63			count=1
64			while [ ${count} -le ${geli_tries} ]; do
65				geli attach ${flags} ${provider}
66				if [ -e "/dev/${provider}.eli" ]; then
67					break
68				fi
69				echo "Attach failed; attempt ${count} of ${geli_tries}."
70				count=$((count+1))
71			done
72		fi
73	done
74
75	for group in ${geli_groups}; do
76		group_=`ltr ${group} '/-' '_'`
77
78		eval "flags=\${geli_${group_}_flags}"
79		if [ -z "${flags}" ]; then
80			flags=${geli_default_flags}
81		fi
82
83		eval "providers=\${geli_${group_}_devices}"
84		if [ -z "${providers}" ]; then
85			echo "No devices listed in geli group ${group}."
86			continue
87		fi
88
89		if [ -e "/dev/${providers%% *}" -a ! -e "/dev/${providers%% *}.eli" ]; then
90			echo "Configuring Disk Encryption for geli group ${group}, containing ${providers}."
91			count=1
92			while [ ${count} -le ${geli_tries} ]; do
93				geli attach ${flags} ${providers}
94				if [ -e "/dev/${providers%% *}.eli" ]; then
95					break
96				fi
97				echo "Attach failed; attempt ${count} of ${geli_tries}."
98				count=$((count+1))
99			done
100		fi
101	done
102}
103
104geli_stop()
105{
106	devices=`geli_make_list`
107
108	for group in ${geli_groups}; do
109		group_=`ltr ${group} '/-' '_'`
110
111		eval "providers=\${geli_${group_}_devices}"
112
113		devices="${devices} ${providers}"
114	done
115
116	for provider in ${devices}; do
117		if [ -e "/dev/${provider}.eli" ]; then
118			umount "/dev/${provider}.eli" 2>/dev/null
119			geli detach "${provider}"
120		fi
121	done
122}
123
124load_rc_config $name
125run_rc_command "$1"
126