mdw@git.distorted.org.uk Git - distorted-keys/blob - keys.retire-recov

   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 --------------------------------------------------