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#!/bin/bash
#
# ask-for-passphrase - designed to be used by SSLPassPhraseDialog exec:
#
# Copyright Canonical, Ltd. 2010, All Rights Reserved
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
sitename=$1
keytype=$2
log="logger -p daemon.err -t apache2"
prompt="Enter passphrase for SSL/TLS keys for $sitename ($keytype):"
# Apache gives us a pipe for stdin, but we want to
# talk to apache's terminal.
tty=`tty < /proc/${PPID}/fd/0`
if [ "$tty" = "not a tty" ] ; then
if [ -x /bin/systemd-ask-password ] ; then
exec /bin/systemd-ask-password --timeout=0 "$prompt"
elif [ -x /bin/plymouth ] && plymouth --ping ; then
echo $prompt | logger
exec plymouth ask-for-password --prompt="$prompt"
else
$log "No way to ask user for passphrase"
exit 1
fi
$log "Passphrase prompt failed"
exit 1
fi
# We must not print anything on stdout except the passphrase
read -s -p "$prompt" passphrase > $tty 2>&1 < $tty
echo > $tty
echo "$passphrase"
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