mdw@git.distorted.org.uk Git - distorted-keys/blob - keys.delete-keeper

   1 #! /bin/sh
   2 ###
   3 ### Delete a keeper set
   4 ###
   5 ### (c) 2012 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 KEEPER
  32 Delete the keeper set named KEEPER.
  33 HELP
  34
  35 case $# in 1) ;; *) usage_err ;; esac
  36 keeper=$1
  37 checkword "keeper set label" "$keeper"
  38
  39 cd $KEYS/keeper
  40 if [ ! -d $keeper ]; then
  41   echo >&2 "$quis: unknown keeper set \`$keeper'"
  42   exit 1
  43 fi
  44
  45 unset deps
  46 if [ -d $KEYS/recov ]; then
  47   cd $KEYS/recov
  48   for r in $(find . -type l -name current -print); do
  49     r=${r#./}; r=${r%/current}
  50     if ! expr >/dev/null "Q$r" : "Q$R_LABEL"; then continue; fi
  51     for ri in $r/*; do
  52       i=${ri##*/}
  53       case "$i" in *[!0-9]*) continue ;; esac
  54       this=nil others=nil
  55       for kp in $r/current/*.param; do
  56         k=${kp##*/}; k=${k%.param}
  57         case $k in $keeper) this=t ;; *) others=t ;; esac
  58       done
  59       case $this,$others in t,nil) deps="$deps $ri" ;; esac
  60     done
  61   done
  62 fi
  63 case "${deps+t}" in
  64   t)
  65     echo >&2 "$quis: deleting keeper \`$keeper' would orphan recovery keys:"
  66     for d in $deps; do echo 2>&1 "      $d"; done
  67     exit 1
  68     ;;
  69 esac
  70
  71 if [ -d $KEYS/recov ]; then
  72   cd $KEYS/recov
  73   for r in $(find . -type l -name current -print); do
  74     r=${r#./}; r=${r%/current}
  75     if ! expr >/dev/null "Q$r" : "Q$R_LABEL"; then continue; fi
  76     for ri in $i/*; do
  77       i=${ri##*/}
  78       case "$i" in *[!0-9]*) continue ;; esac
  79       rm -f $ri/$keeper.*
  80     done
  81     changep=nil
  82     while read k rest; do
  83       case $k in $keeper) changep=t ;; *) echo "$k $rest" ;; esac
  84     done <$r/keepers >$r/keepers.new
  85     case $changep in
  86       t) mv $r/keepers.new $r/keepers ;;
  87       nil) rm $r/keepers.new ;;
  88     esac
  89   done
  90 fi
  91
  92 cd $KEYS/keeper
  93 rm -r $keeper
  94
  95 ###----- That's all, folks --------------------------------------------------