/usr/bin/clevis-luks-unlock is in clevis-luks 8-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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 | #!/bin/bash -e
# vim: set tabstop=8 shiftwidth=4 softtabstop=4 expandtab smarttab colorcolumn=80:
#
# Copyright (c) 2016 Red Hat, Inc.
# Author: Nathaniel McCallum <npmccallum@redhat.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
SUMMARY="Unlocks a LUKSv1 volume"
UUID=cb6e8904-81ff-40da-a84a-07ab9ab5715e
function usage() {
echo >&2
echo "Usage: clevis luks unlock -d DEV [-n NAME]" >&2
echo >&2
echo "$SUMMARY": >&2
echo >&2
echo " -d DEV The LUKS device on which to perform unlocking" >&2
echo >&2
echo " -n NAME The name of the unlocked device node" >&2
echo >&2
exit 1
}
if [ $# -eq 1 -a "$1" == "--summary" ]; then
echo "$SUMMARY"
exit 0
fi
while getopts ":d:n:" o; do
case "$o" in
d) DEV=$OPTARG;;
n) NAME=$OPTARG;;
*) usage;;
esac
done
if [ -z "$DEV" ]; then
echo "Did not specify a device!" >&2
usage
fi
NAME=${NAME:-luks-`cryptsetup luksUUID $DEV`}
luksmeta show -d "$DEV" | while read -r slot state uuid; do
[ "$state" != "active" ] && continue
[ "$uuid" != "$UUID" ] && continue
if pt="`luksmeta load -d $DEV -s $slot -u $UUID | clevis decrypt`"; then
echo -n "$pt" | cryptsetup open -d- "$DEV" "$NAME"
exit 0
fi
done
exit 1
|