3 # Copyright (c) 2005 Pawel Jakub Dawidek <pjd@FreeBSD.org>
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
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.
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
36 desc="GELI disk encryption"
37 start_precmd='[ -n "$(geli_make_list)" -o -n "${geli_groups}" ]'
38 start_cmd="geli_start"
40 required_modules="geom_eli:g_eli"
43 # Reads key from EFIvar
44 # Returns tempfile pathname containing key
48 local provider_=`ltr ${provider} '/-' '_'`
49 local guid="65537263-7465-654b-4f79-44666f6f216d"
51 eval "efi=\${geli_${provider_}_efi:-NO}"
55 efivar="$(printf "%s-%s" "${guid}" "$(echo -n "${provider}" | sha256)")"
56 tmpkey="$(mktemp "/tmp/efikey_${provider_}")"
57 efivar --binary --no-name "${efivar}" > "${tmpkey}"
67 mount -t tmpfs tmpfs /tmp
77 devices=`geli_make_list`
79 if [ -z "${geli_tries}" ]; then
80 if [ -n "${geli_attach_attempts}" ]; then
81 # Compatibility with rc.d/gbde.
82 geli_tries=${geli_attach_attempts}
84 geli_tries=`${SYSCTL_N} kern.geom.eli.tries`
90 for provider in ${devices}; do
91 provider_=`ltr ${provider} '/-' '_'`
93 eval "flags=\${geli_${provider_}_flags}"
94 if [ -z "${flags}" ]; then
95 flags=${geli_default_flags}
98 efikey="$(geli_efi "${provider}")"
101 echo "Acquired key for ${provider} from EFI."
102 flags="${flags} -p -k ${efikey}"
105 if [ -e "/dev/${provider}" -a ! -e "/dev/${provider}.eli" ]; then
106 echo "Configuring Disk Encryption for ${provider}."
108 while [ ${count} -le ${geli_tries} ]; do
109 geli attach ${flags} ${provider}
110 if [ -e "/dev/${provider}.eli" ]; then
113 echo "Attach failed; attempt ${count} of ${geli_tries}."
119 for group in ${geli_groups}; do
120 group_=`ltr ${group} '/-' '_'`
122 eval "flags=\${geli_${group_}_flags}"
123 if [ -z "${flags}" ]; then
124 flags=${geli_default_flags}
127 eval "providers=\${geli_${group_}_devices}"
128 if [ -z "${providers}" ]; then
129 echo "No devices listed in geli group ${group}."
133 efikey="$(geli_efi "${group}")"
134 if [ -s "${efikey}" ]
136 echo "Acquired key for ${group} from EFI."
137 flags="${flags} -p -k ${efikey}"
140 if [ -e "/dev/${providers%% *}" -a ! -e "/dev/${providers%% *}.eli" ]; then
141 echo "Configuring Disk Encryption for geli group ${group}, containing ${providers}."
143 while [ ${count} -le ${geli_tries} ]; do
144 geli attach ${flags} ${providers}
145 if [ -e "/dev/${providers%% *}.eli" ]; then
148 echo "Attach failed; attempt ${count} of ${geli_tries}."
159 devices=`geli_make_list`
161 for group in ${geli_groups}; do
162 group_=`ltr ${group} '/-' '_'`
164 eval "providers=\${geli_${group_}_devices}"
166 devices="${devices} ${providers}"
169 for provider in ${devices}; do
170 if [ -e "/dev/${provider}.eli" ]; then
171 umount "/dev/${provider}.eli" 2>/dev/null
172 geli detach "${provider}"