/usr/share/apache2/ask-for-passphrase is in apache2 2.4.7-1ubuntu4.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | #!/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
prompt="Apache needs to decrypt your SSL Keys for $sitename ($keytype)
Please enter passphrase:"
tty=`tty`
if [ "$tty" = "not a tty" ] ; then
# Apache gives us a pipe for stdin, but we want to
# talk to apache's terminal.
tty=`tty < /proc/${PPID}/fd/0`
if [ "$tty" = "not a tty" ] ; then
if [ -x /bin/plymouth ] && plymouth --ping ; then
echo $prompt | logger
exec plymouth ask-for-password --prompt="$prompt"
else
logger -p daemon.err -t apache2 "No way to ask user for passphrase"
exit 1
fi
fi
# We must not print anything on stdout except the passphrase
read -s -p "$prompt" passphrase > $tty 2>&1 < $tty
echo $passphrase
fi
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