| 1 | #! /bin/sh |
| 2 | ### |
| 3 | ### Generate a user key |
| 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 | [-f] KEY PROFILE [ARGUMENTS ...] |
| 32 | Generate a named KEY, according to the PROFILE. |
| 33 | |
| 34 | The ARGUMENTS are passed to the key-type handler selected by the profile. |
| 35 | |
| 36 | Options: |
| 37 | -f Force overwriting an existing key. |
| 38 | HELP |
| 39 | |
| 40 | genhook_recov () { |
| 41 | base=$1 nub=$2 |
| 42 | for recov in $kprop_recovery; do |
| 43 | (stash $recov $kowner/$klabel <"$nub") |
| 44 | done |
| 45 | } |
| 46 | |
| 47 | ## Parse command-line arguments. |
| 48 | forcep=nil |
| 49 | while getopts "f" opt; do |
| 50 | case "$opt" in |
| 51 | f) forcep=t ;; |
| 52 | *) usage_err ;; |
| 53 | esac |
| 54 | done |
| 55 | shift $(( $OPTIND - 1 )) |
| 56 | case $# in 0 | 1) usage_err ;; esac |
| 57 | key=$1 profile=$2; shift 2 |
| 58 | |
| 59 | ## Check the key name carefully. This is where we actually create files, |
| 60 | ## so it's reallly important to make sure that we don't make any stupid |
| 61 | ## mistakes. |
| 62 | mktmp |
| 63 | parse_keylabel "$key" |
| 64 | case "$kowner" in |
| 65 | "$USERV_USER") ;; |
| 66 | *) echo >&2 "$quis: invalid owner \`$kowner' for key"; exit 1 ;; |
| 67 | esac |
| 68 | case $forcep in |
| 69 | nil) |
| 70 | if [ -d $kdir ]; then |
| 71 | echo >&2 "$quis: key \`$key' already exists" |
| 72 | exit 1 |
| 73 | fi |
| 74 | ;; |
| 75 | esac |
| 76 | |
| 77 | ## Check the profile name. We shouldn't allow users to refer to each |
| 78 | ## other's profiles. |
| 79 | case "$profile" in |
| 80 | :*) |
| 81 | label=${profile#:} |
| 82 | ;; |
| 83 | *:*) |
| 84 | powner=${profile%%:*} label=${profile#*:} |
| 85 | case "$powner" in |
| 86 | "$USERV_USER") ;; |
| 87 | *) echo >&2 "$quis: invalid owner \`$powner' for profile"; exit 1 ;; |
| 88 | esac |
| 89 | ;; |
| 90 | *) |
| 91 | label=$profile |
| 92 | ;; |
| 93 | esac |
| 94 | checkword "profile label" "$label" |
| 95 | read_profile $USERV_USER $profile |
| 96 | |
| 97 | ## Generate the key. |
| 98 | c_genkey $profile $kdir $knub genhook_recov "$@" |
| 99 | |
| 100 | ###----- That's all, folks -------------------------------------------------- |