Commit | Line | Data |
---|---|---|
c47f2aba | 1 | #! /bin/sh |
599c8f75 | 2 | ### |
c47f2aba | 3 | ### Recover a user key nub |
599c8f75 MW |
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 | case "${KEYSLIB+t}" in t) ;; *) echo >&2 "$0: KEYSLIB unset"; exit 1 ;; esac | |
28 | . "$KEYSLIB"/keyfunc.sh | |
29 | ||
30 | defhelp <<HELP | |
ae0eb898 | 31 | [-i INST] KEY RECOV |
c47f2aba MW |
32 | Recover the named user KEY using a blob protected using the recovery key |
33 | RECOV; it is an error if RECOV is not currently revealed. | |
599c8f75 | 34 | HELP |
599c8f75 | 35 | |
ae0eb898 MW |
36 | inst=current |
37 | while getopts "i:" opt; do | |
38 | case "$opt" in | |
39 | i) inst=$OPTARG ;; | |
40 | *) usage_err ;; | |
41 | esac | |
42 | done | |
43 | shift $(( $OPTIND - 1 )) | |
c47f2aba MW |
44 | case $# in 2) ;; *) usage_err ;; esac |
45 | key=$1 recov=$2 | |
46 | parse_keylabel "$key" | |
47 | if [ ! -d $kdir ]; then echo >&2 "$quis: unknown key \`$key'"; exit 1; fi | |
ae0eb898 | 48 | checkword "recovery instance" "$inst" |
599c8f75 | 49 | checkword "recovery key label" "$recov" |
e9cf7079 MW |
50 | case $kowner in |
51 | $USERV_USER) ;; | |
52 | *) echo >&2 "$quis: you're not the owner of key \`$key'"; exit 1 ;; | |
53 | esac | |
599c8f75 | 54 | |
c47f2aba MW |
55 | mktmp |
56 | nubid=$(cat $kdir/nubid) | |
57 | readmeta $kdir | |
e9cf7079 | 58 | read_profile $kowner "$profile" |
c47f2aba MW |
59 | if [ -f $knub ]; then |
60 | nubbin=$(nubid <$knub) | |
61 | case "$nubbin" in | |
62 | "$nubid") | |
63 | echo >&2 "$quis: key \`$key' doesn't need recovery" | |
64 | exit 1 | |
65 | ;; | |
66 | esac | |
67 | fi | |
68 | ||
69 | umask 077 | |
ae0eb898 | 70 | recover $recov $inst $kowner/$klabel >$knub.new |
c47f2aba MW |
71 | nubbin=$(nubid <$knub.new) |
72 | case "$nubbin" in | |
73 | "$nubid") ;; | |
74 | *) | |
b3f67424 | 75 | rm -f $knub.new |
c47f2aba MW |
76 | echo >&2 "$quis: recovery produced incorrect nub" |
77 | exit 1 | |
78 | ;; | |
79 | esac | |
80 | mv $knub.new $knub | |
599c8f75 MW |
81 | |
82 | ###----- That's all, folks -------------------------------------------------- |