| 1 | #! /bin/sh |
| 2 | ### |
| 3 | ### Retire an old recovery key |
| 4 | ### |
| 5 | ### (c) 2015 Mark Wooding |
| 6 | ### |
| 7 | |
| 8 | ###----- Licensing notice --------------------------------------------------- |
| 9 | ### |
| 10 | ### This file is part of the distorted.org.uk key management suite. |
| 11 | ### |
| 12 | ### distorted-keys is free software; you can redistribute it and/or modify |
| 13 | ### it under the terms of the GNU General Public License as published by |
| 14 | ### the Free Software Foundation; either version 2 of the License, or |
| 15 | ### (at your option) any later version. |
| 16 | ### |
| 17 | ### distorted-keys is distributed in the hope that it will be useful, |
| 18 | ### but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | ### GNU General Public License for more details. |
| 21 | ### |
| 22 | ### You should have received a copy of the GNU General Public License |
| 23 | ### along with distorted-keys; if not, write to the Free Software Foundation, |
| 24 | ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 25 | |
| 26 | set -e |
| 27 | case "${KEYSLIB+t}" in t) ;; *) echo >&2 "$0: KEYSLIB unset"; exit 1 ;; esac |
| 28 | . "$KEYSLIB"/keyfunc.sh |
| 29 | |
| 30 | defhelp <<HELP |
| 31 | RECOV I |
| 32 | Retire a non-current instance I of the recovery key RECOV. |
| 33 | HELP |
| 34 | |
| 35 | ## Parse the command line. |
| 36 | case $# in 2) ;; *) usage_err ;; esac |
| 37 | recov=$1 inst=$2 |
| 38 | checkword "recovery key label" "$recov" |
| 39 | checknumber "recovery key instance" "$inst" |
| 40 | |
| 41 | ## Check that the key exists and isn't current. |
| 42 | cd $KEYS/recov |
| 43 | if [ ! -l $recov/current ]; then |
| 44 | echo >&2 "$quis: unknown recovery key \`$recov'" |
| 45 | exit 1 |
| 46 | fi |
| 47 | if [ ! -d $recov/$inst ]; then |
| 48 | echo >&2 "$quis: recovery key \`$recov' has no instance $inst" |
| 49 | exit 1 |
| 50 | fi |
| 51 | curr=$(readlink $recov/current) |
| 52 | case $curr in |
| 53 | $inst) |
| 54 | echo >&2 "$quis: $inst is current instance of recovery key \`$recov'" |
| 55 | exit 1 |
| 56 | ;; |
| 57 | esac |
| 58 | |
| 59 | ## Delete all of the secrets. |
| 60 | rm -rf $recov/$inst |
| 61 | |
| 62 | ###----- That's all, folks -------------------------------------------------- |