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 program is free software; you can redistribute it and/or modify
  11 ### it under the terms of the GNU General Public License as published by
  12 ### the Free Software Foundation; either version 2 of the License, or
  13 ### (at your option) any later version.
  14 ###
  15 ### This program is distributed in the hope that it will be useful,
  16 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ### GNU General Public License for more details.
  19 ###
  20 ### You should have received a copy of the GNU General Public License
  21 ### along with this program; if not, write to the Free Software Foundation,
  22 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23
  24 set -e
  25
  26 quis=${0##*/}
  27 PACKAGE=@PACKAGE@
  28 VERSION=@VERSION@
  29
  30 : ${KEYS=@pkgconfdir@}
  31 : ${KEYSLIB=@pkglibdir@}
  32 export KEYS KEYSLIB
  33
  34 ###--------------------------------------------------------------------------
  35 ### Help.
  36
  37 usage="usage: $quis COMMAND [ARGUMENTS ...]"
  38
  39 version () {
  40   echo "$PACKAGE version $VERSION"
  41 }
  42
  43 help () {
  44   rc=0
  45   version
  46   case $# in
  47     0)
  48       cat <<EOF
  49
  50 $usage
  51
  52 Options:
  53   -h            Show this help text.
  54   -v            Show the program version number.
  55
  56 Commands installed:
  57 EOF
  58       cd "$KEYSLIB"
  59       for i in *; do
  60         case "$i" in *.*) continue ;; esac
  61         if [ ! -x "$i" ]; then continue; fi
  62         sed -n "/<<HELP/{n;s/^/ $i /;p;q;}" "$i"
  63       done
  64       ;;
  65     *)
  66       for i in "$@"; do
  67         echo
  68         if [ ! -x "$KEYSLIB"/"$i" ]; then
  69           echo >&2 "$quis: unrecognized command \`$i'"
  70           rc=1
  71           continue
  72         elif ! KEYS_HELP=t "$KEYSLIB"/"$i"; then
  73           rc=1
  74         fi
  75       done
  76       ;;
  77   esac
  78   return $rc
  79 }
  80
  81 ###--------------------------------------------------------------------------
  82 ### Command dispatch.
  83
  84 while getopts "hv" opt; do
  85   case "$opt" in
  86     h) help; exit ;;
  87     v) version; exit ;;
  88     *) echo >&2 "$usage"; exit 1 ;;
  89   esac
  90 done
  91 shift $((OPTIND - 1))
  92
  93 case $# in 0) echo >&2 "$usage"; exit 1 ;; esac
  94 cmd=$1; shift
  95 case "$cmd" in help) help "$@"; exit ;; esac
  96 if [ ! -x "$KEYSLIB"/"$cmd" ]; then
  97   echo >&2 "$quis: unrecognized command \`$cmd'"
  98   exit 1
  99 fi
 100
 101 unset KEYS_HELP
 102 exec "$KEYSLIB"/"$cmd" "$@"
 103
 104 ###----- That's all, folks --------------------------------------------------