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

   1 #! /bin/sh
   2 ###
   3 ### Front-end dispatch for key-management scripts
   4 ###
   5 ### (c) 2011 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
  28 quis=${0##*/}
  29 PACKAGE=@PACKAGE@
  30 VERSION=@VERSION@
  31
  32 : ${KEYS=@pkgconfdir@}
  33 : ${KEYSLIB=@pkglibdir@}
  34 export KEYS KEYSLIB
  35
  36 ###--------------------------------------------------------------------------
  37 ### Help.
  38
  39 usage="usage: $quis COMMAND [ARGUMENTS ...]"
  40
  41 version () {
  42   echo "$PACKAGE version $VERSION"
  43 }
  44
  45 help () {
  46   rc=0
  47   version
  48   case $# in
  49     0)
  50       cat <<EOF
  51
  52 $usage
  53
  54 Options:
  55   -h            Show this help text.
  56   -v            Show the program version number.
  57
  58 Commands installed:
  59 EOF
  60       cd "$KEYSLIB"
  61       for i in *; do
  62         case "$i" in *.*) continue ;; esac
  63         if [ ! -x "$i" ]; then continue; fi
  64         sed -n "/<<HELP/{n;s/^/ $i /;p;q;}" "$i"
  65       done
  66       ;;
  67     *)
  68       for i in "$@"; do
  69         echo
  70         if [ ! -x "$KEYSLIB"/"$i" ]; then
  71           echo >&2 "$quis: unrecognized command \`$i'"
  72           rc=1
  73           continue
  74         elif ! KEYS_HELP=t "$KEYSLIB"/"$i"; then
  75           rc=1
  76         fi
  77       done
  78       ;;
  79   esac
  80   return $rc
  81 }
  82
  83 ###--------------------------------------------------------------------------
  84 ### Command dispatch.
  85
  86 while getopts "hv" opt; do
  87   case "$opt" in
  88     h) help; exit ;;
  89     v) version; exit ;;
  90     *) echo >&2 "$usage"; exit 1 ;;
  91   esac
  92 done
  93 shift $((OPTIND - 1))
  94
  95 case $# in 0) echo >&2 "$usage"; exit 1 ;; esac
  96 cmd=$1; shift
  97 case "$cmd" in help) help "$@"; exit ;; esac
  98 if [ ! -x "$KEYSLIB"/"$cmd" ]; then
  99   echo >&2 "$quis: unrecognized command \`$cmd'"
 100   exit 1
 101 fi
 102
 103 unset KEYS_HELP
 104 exec "$KEYSLIB"/"$cmd" "$@"
 105
 106 ###----- That's all, folks --------------------------------------------------