1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192 |
- #!/bin/bash -e
- # vim: set tabstop=8 shiftwidth=4 softtabstop=4 expandtab smarttab colorcolumn=80:
- #
- # Copyright (c) 2016 Red Hat, Inc.
- # Author: Harald Hoyer <harald@redhat.com>
- # 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/>.
- #
- UUID=cb6e8904-81ff-40da-a84a-07ab9ab5715e
- shopt -s nullglob
- path=/run/systemd/ask-password
- while getopts ":lp:" o; do
- case "$o" in
- l) loop=true;;
- p) path=$OPTARG;;
- esac
- done
- while true; do
- todo=0
- for question in $path/ask.*; do
- metadata=false
- unlocked=false
- d=
- s=
- while read line; do
- case "$line" in
- Id=cryptsetup:*) d="${line##Id=cryptsetup:}";;
- Socket=*) s="${line##Socket=}";;
- esac
- done < "$question"
- [ -z "$d" -o -z "$s" ] && continue
- if cryptsetup isLuks --type luks1 "$d"; then
- # If the device is not initialized, sliently skip it.
- luksmeta test -d "$d" || continue
- while read -r slot state uuid; do
- [ "$state" != "active" ] && continue
- [ "$uuid" != "$UUID" ] && continue
- metadata=true
- if pt="`luksmeta load -d $d -s $slot -u $UUID | clevis decrypt`"; then
- echo -n "+$pt" | nc -U -u --send-only "$s"
- unlocked=true
- break
- fi
- done < <(luksmeta show -d "$d")
- elif cryptsetup isLuks --type luks2 "$d"; then
- ids=`cryptsetup luksDump "$d" | sed -rn 's|^\s+([0-9]+): clevis|\1|p'`
- for id in $ids; do
- tok=`cryptsetup token export --token-id "$id" "$d"`
- jwe=`jose fmt -j- -Og jwe -o- <<<"$tok" | jose jwe fmt -i- -c`
- metadata=true
- if pt=`echo -n "$jwe" | clevis decrypt`; then
- echo -n "+$pt" | nc -U -u --send-only "$s"
- unlocked=true
- break
- fi
- done
- fi
- [ $metadata == true ] || continue
- [ $unlocked == true ] && continue
- todo=$((todo + 1))
- done
- if [ $todo -eq 0 ] || [ "$loop" != "true" ]; then
- break;
- fi
- sleep 0.5
- done
|