#!/bin/sh

# Purge systemd.
in_target apt-get -q -y purge libpam-systemd systemd || return 1
in_target apt-get -q -y --purge autoremove || return 1

# Remove packages from APT cache.
in_target apt-get clean || return 1

# Configure network interfaces.
mv "${target}/etc/network/interfaces" "${target}/etc/network/interfaces.dist"
cat 1>"${target}/etc/network/interfaces" 0<<-EOF
	auto lo
	iface lo inet loopback

	auto enp1s0
	iface enp1s0 inet dhcp
	EOF

# Don't suspend on lid close.
cp -p "${target}/etc/elogind/logind.conf" \
	"${target}/etc/elogind/logind.conf.dist"
sed 's/^.*\(HandleLidSwitch.*\)=.*$/\1=ignore/' \
	"${target}/etc/elogind/logind.conf.dist" \
	1>"${target}/etc/elogind/logind.conf"

# Create print queues directory.
mkdir "${target}/var/spool/printq"
chgrp 7 "${target}/var/spool/printq"
chmod g+s "${target}/var/spool/printq"

# Configure NFS.
mv "${target}/etc/exports" "${target}/etc/exports.dist"
cat 1>"${target}/etc/exports" 0<<-EOF
	/var/spool/printq 192.168.10.0/255.255.255.0(rw,sync,no_subtree_check,root_squash)
	EOF

# Set up printq.
wget -O "${target}/usr/local/bin/printq" \
	'http://git.pehjota.net/printq/printq.git/plain/printq'
chmod a+x "${target}/usr/local/bin/printq"
mkdir "${target}/etc/boot.d"
cat 1>"${target}/etc/boot.d/printq" 0<<-EOF
	#!/bin/sh

	sudo -b -u lp /usr/local/bin/printq /var/spool/printq
	EOF
chmod a+x "${target}/etc/boot.d/printq"

# Harden SSH server.
mv "${target}/etc/ssh/sshd_config" "${target}/etc/ssh/sshd_config.dist"
sed \
	-e 's/^PermitRootLogin .*$/PermitRootLogin no/' \
	-e 's/^#PasswordAuthentication .*$/#PasswordAuthentication no/' \
	"${target}/etc/ssh/sshd_config.dist" 1>"${target}/etc/ssh/sshd_config"

return 0