chiark / gitweb /
Split underlying machinery into a separate package.
[distorted-keys] / keys.keeper-nub
CommitLineData
d516ebd0
MW
1#! /bin/sh
2###
3### Collect the value of a newly created keeper nub
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
26set -e
27case "${KEYSLIB+t}" in t) ;; *) echo >&2 "$0: KEYSLIB unset"; exit 1 ;; esac
28. "$KEYSLIB"/keyfunc.sh
29
30defhelp <<HELP
31KEEPER I
32Write the nub for private key I of the keeper set KEEPER to standard output.
33
34The nub is read from the safe but temporary place where \`keys new-keeper'
35left them.
36HELP
37
38## Parse the command line.
39case $# in 2) ;; *) usage_err ;; esac
40keeper=$1 index=$2
41checkword "keeper label" "$keeper"
42checknumber "index" "$index"
43
44## Find out about the set.
45if [ ! -f $KEYS/keeper/$keeper/meta ]; then
46 echo >&2 "$quis: unknown keeper set \`$keeper'"
47 exit 1
48fi
49read n hunoz <$KEYS/keeper/$keeper/meta
50
51if [ $index -ge $n ]; then
52 echo >&2 "$quis: index $index out of range (must be less than $n)"
53 exit 1
54fi
55
56## Check that nubs are available for the keeper set.
57reqsafe
58if [ ! -d $SAFE/keys.keeper/$keeper/ ]; then
59 echo >&2 "$quis: no nubs available for keeper set \`$keeper'"
60 exit 1
61fi
62
63## Done.
64cat $SAFE/keys.keeper/$keeper/$index
65
66###----- That's all, folks --------------------------------------------------