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#!/bin/bash
# Copyright (C) 2010-2023 Pädagogisches Landesinstitut Rheinland-Pfalz
# Copyright (C) 2022-2023 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
# Copyright (C) 2022-2023 Daniel Teichmann <daniel.teichmann@das-netzwerkteam.de>
#
# 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 2 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, write to the
# Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
# preinst script for debian-edu-router-config
set -e
. /usr/share/debconf/confmodule || exit 255
common_file="/usr/share/debian-edu-router/debian-edu-router.common"
# Load common functions, variables and stuff.
if [ -s "$common_file" ]; then
source "$common_file"
else
echo "Could not load common file at "$common_file"."
exit 0;
fi
# prepare debconf
export DC_PRIO_LOW="medium"
export DC_PRIO_HIGH="high"
if [ -e /etc/debian-edu/router.conf ]; then
source /etc/debian-edu/router.conf
fi
PRODUCTNAME="${PRODUCTNAME:-"Debian Edu Router"}"
db_title "$PRODUCTNAME"
# summary of how this script can be called:
# * <new-preinst> `install'
# * <new-preinst> `install' <old-version>
# * <new-preinst> `upgrade' <old-version>
# * <old-preinst> `abort-upgrade' <new-version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
case "$1" in
install|upgrade)
# Make sure these directories exist first.
mkdir -p /etc/debian-edu-router/
touch /etc/debian-edu-router/MANAGED_BY_DEBIAN_EDU_ROUTER
cat <<-'EOF' > /etc/debian-edu-router/MANAGED_BY_DEBIAN_EDU_ROUTER
# THIS DIRECTORY IS MANAGED BY DEBIAN EDU ROUTER.
# Do not delete or modify any symlinks in this directory, except you exactly
# know what you are doing.
EOF
mkdir -p /etc/uif/uif.conf.d/
mkdir -p /etc/uif/uif-ipv4-networks.inc.d/
mkdir -p /etc/uif/uif-ipv6-networks.inc.d/
mkdir -p /etc/network/interfaces.d/
mkdir -p /etc/dnsmasq.d/debian-edu-router/
mkdir -p /etc/ssh/sshd_config.d/
# Make sure symlinks are actually symlinks and not real directories.
symlinks=(
"/etc/debian-edu-router/uif.conf.d"
"/etc/debian-edu-router/uif-ipv4-networks.inc.d"
"/etc/debian-edu-router/uif-ipv6-networks.inc.d"
"/etc/debian-edu-router/interfaces.d"
"/etc/debian-edu-router/dnsmasq.d"
"/etc/debian-edu-router/ssh.d"
)
for link in "${symlinks[@]}"; do
if [ ! -L "${link}" ] && [ -e "${link}" ]; then
if [[ -d "${link}" && -z "$( ls ${link} -A )" ]]; then
rm -r "${link}"
notice_log "Directory '$link' was not a symlink! It was empty, removed it."
else
backup_dir="${link}.no-symlink-$(date +%Y.%m.%d-%H:%M:%S)"
mv "${link}" "${backup_dir}"
warning_log "Directory '$link' was not a symlink! Moved it to '$backup_dir'."
fi
fi
done
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
#DEBHELPER#
exit 0
|
