~mdw / distorted-keys / blame
| Commit | Line | Data |
|---|---|---|
| 599c8f75 MW |
1 | ### -*-sh-*- |
| 2 | ### | |
| 3 | ### Stash a recovery blob of a secret | |
| 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 | |
| 31 | RECOV LABEL [SECRET] | |
| 32 | Store a secret encrypted under the recovery key RECOV. | |
| 33 | ||
| 34 | The LABEL is used to identify the encrypted secret later to the \`recover' | |
| 35 | command. The secret is read from SECRET, or stdin if SECRET is omitted or | |
| 36 | \`-'. | |
| 37 | HELP | |
| 38 | dohelp | |
| 39 | ||
| 40 | ## Parse the command line. | |
| 41 | case $# in | |
| 42 | 2) if [ -t 0 ]; then echo >&2 "$quis: stdin is a terminal"; exit 1; fi ;; | |
| 43 | 3) ;; | |
| 44 | *) echo >&2 "$usage"; exit 1 ;; | |
| 45 | esac | |
| 46 | recov=$1 label=$2; shift 2 | |
| 47 | checkword "recovery key label" "$recov" | |
| 48 | checklabel "secret" "$label" | |
| 49 | ||
| 50 | ## Do the thing. | |
| 51 | tmp=$(mktmp); cleanup rmtmp | |
| 52 | cat -- "$@" >$tmp/secret | |
| 53 | cd $KEYS/recov/$recov/current | |
| 54 | case $label in */*) mkdir -m755 -p ${label%/*} ;; esac | |
| 55 | ec_encrypt pub -i$tmp/secret -o$label.new | |
| 56 | mv $label.new $label.recov | |
| 57 | ||
| 58 | ###----- That's all, folks -------------------------------------------------- |