#!/bin/bash

# create postfix user
getent group postfix >/dev/null 2>&1 ||
	addgroup --system postfix
getent group postdrop >/dev/null 2>&1 ||
	addgroup --system postdrop
getent passwd postfix >/dev/null 2>&1 ||
	adduser --system --home /var/spool/postfix --no-create-home --disabled-password --shell /bin/false --ingroup postfix postfix

# create dovecot user
getent group dovecot >/dev/null 2>&1 ||
	addgroup --system dovecot
getent passwd dovecot >/dev/null 2>&1 ||
	adduser --system --home /usr/lib/dovecot --no-create-home --disabled-password --shell /bin/false --ingroup dovecot dovecot
getent passwd dovecot |grep "Dovecot mail server" >/dev/null 2>&1 ||
	chfn -f "Dovecot mail server" dovecot

# create dovenull user
getent passwd dovenull >/dev/null 2>&1 ||
	adduser --system --home /nonexistent --no-create-home --disabled-password --shell /bin/false --ingroup nogroup dovenull
getent passwd dovenull |grep "Dovecot login user" >/dev/null 2>&1 ||
	chfn -f "Dovecot login user" dovenull

# create clamav user
getent group clamav >/dev/null 2>&1 ||
	addgroup --system clamav
getent passwd clamav >/dev/null 2>&1 ||
	adduser --system --home /var/lib/clamav --no-create-home --disabled-password --shell /bin/false --ingroup clamav clamav

# create amavis user
getent group amavis >/dev/null 2>&1 ||
	addgroup --system amavis
getent passwd amavis >/dev/null 2>&1 ||
	adduser --system --home /var/lib/amavis --no-create-home --disabled-password --shell /bin/sh --ingroup amavis amavis
getent passwd amavis |grep "AMaViS system user" >/dev/null 2>&1 ||
	chfn -f "AMaViS system user" amavis
getent group amavis |grep clamav >/dev/null 2>&1 ||
	usermod -a -G amavis clamav

# create debian-spamd user
getent group debian-spamd >/dev/null 2>&1 ||
	addgroup --system debian-spamd
getent passwd debian-spamd >/dev/null 2>&1 ||
	adduser --system --home /var/lib/spamassassin --no-create-home --disabled-password --shell /bin/sh --ingroup debian-spamd debian-spamd

# create opendkim user
getent group opendkim >/dev/null 2>&1 ||
	addgroup --system opendkim
getent passwd opendkim >/dev/null 2>&1 ||
	adduser --system --home /nonexistent --no-create-home --disabled-password --shell /bin/false --ingroup opendkim opendkim
getent group opendkim |grep postfix >/dev/null 2>&1 ||
	usermod -a -G opendkim postfix

# create cluebringer user
getent group cluebringer >/dev/null 2>&1 ||
	addgroup --system cluebringer
getent passwd cluebringer >/dev/null 2>&1 ||
	adduser --system --home /nonexistent --no-create-home --disabled-password --shell /usr/sbin/nologin --ingroup cluebringer cluebringer

# create policyd-rate-limit user
getent group policyd-rate-limit >/dev/null 2>&1 ||
	addgroup --system policyd-rate-limit
getent passwd policyd-rate-limit >/dev/null 2>&1 ||
	adduser --system --home /nonexistent --no-create-home --disabled-password --shell /usr/sbin/nologin --ingroup policyd-rate-limit policyd-rate-limit

# create postsrsd user
getent group postsrsd >/dev/null 2>&1 ||
	addgroup --system postsrsd
getent passwd postsrsd >/dev/null 2>&1 ||
	adduser --system --home /var/lib/postsrsd --no-create-home --disabled-password --shell /usr/sbin/nologin --ingroup postsrsd postsrsd


INITSYS=`readlink -f /proc/1/exe`
if [ "$INITSYS" == "/lib/systemd/systemd" -o "$INITSYS" == "/usr/lib/systemd/systemd" ]; then

	### systemd

	if deb-systemd-helper --quiet was-enabled postfix-chroot.service; then
		deb-systemd-helper enable postfix-chroot.service >/dev/null || true
	else
		deb-systemd-helper update-state postfix-chroot.service >/dev/null || true
	fi

	#systemctl enable postfix-chroot@.service

	if deb-systemd-helper --quiet was-enabled dovecot-chroot.service; then
		deb-systemd-helper enable dovecot-chroot.service >/dev/null || true
	else
		deb-systemd-helper update-state dovecot-chroot.service >/dev/null || true
	fi

	if deb-systemd-helper --quiet was-enabled amavis-chroot.service; then
		deb-systemd-helper enable amavis-chroot.service >/dev/null || true
	else
		deb-systemd-helper update-state amavis-chroot.service >/dev/null || true
	fi

	if deb-systemd-helper --quiet was-enabled clamav-daemon-chroot.service; then
		deb-systemd-helper enable clamav-daemon-chroot.service >/dev/null || true
	else
		deb-systemd-helper update-state clamav-daemon-chroot.service >/dev/null || true
	fi

	if deb-systemd-helper --quiet was-enabled clamav-freshclam-chroot.service; then
		deb-systemd-helper enable clamav-freshclam-chroot.service >/dev/null || true
	else
		deb-systemd-helper update-state clamav-freshclam-chroot.service >/dev/null || true
	fi

	if deb-systemd-helper --quiet was-enabled opendkim-chroot.service; then
		deb-systemd-helper enable opendkim-chroot.service >/dev/null || true
	else
		deb-systemd-helper update-state opendkim-chroot.service >/dev/null || true
	fi

	if [ -f /chroot/maild/usr/sbin/cbpolicyd -a ! -f /chroot/maild/usr/bin/policyd-rate-limit ]; then
		if deb-systemd-helper --quiet was-enabled postfix-cluebringer-chroot.service; then
			deb-systemd-helper enable postfix-cluebringer-chroot.service >/dev/null || true
		else
			deb-systemd-helper update-state postfix-cluebringer-chroot.service >/dev/null || true
		fi
	else
		if deb-systemd-helper --quiet was-enabled postfix-cluebringer-chroot.service; then
			systemctl stop postfix-cluebringer-chroot.service >/dev/null 2>&1 || true
		fi
		deb-systemd-helper disable postfix-cluebringer-chroot.service >/dev/null || true
		deb-systemd-helper mask postfix-cluebringer-chroot.service >/dev/null || true
	fi

	if [ -f /chroot/maild/usr/bin/policyd-rate-limit ]; then
		if deb-systemd-helper --quiet was-enabled policyd-rate-limit-chroot.service; then
			deb-systemd-helper enable policyd-rate-limit-chroot.service >/dev/null || true
		else
			deb-systemd-helper update-state policyd-rate-limit-chroot.service >/dev/null || true
		fi
	else
		deb-systemd-helper disable policyd-rate-limit-chroot.service >/dev/null || true
		deb-systemd-helper mask policyd-rate-limit-chroot.service >/dev/null || true
	fi

	if deb-systemd-helper --quiet was-enabled postsrsd-chroot.service; then
		deb-systemd-helper enable postsrsd-chroot.service >/dev/null || true
	else
		deb-systemd-helper update-state postsrsd-chroot.service >/dev/null || true
	fi

	systemctl restart rsyslog

	if ! [ -e /chroot/maild/dev/log ]; then
		ln -s ../run/systemd/journal/dev-log /chroot/maild/dev/log
	fi

elif [ "$INITSYS" == "/sbin/init" ]; then

	### sysvinit

	if [ -x "/etc/init.d/postfix-chroot" ]; then
		update-rc.d postfix-chroot defaults >/dev/null
	fi

	if [ -x "/etc/init.d/dovecot-chroot" ]; then
		update-rc.d dovecot-chroot defaults >/dev/null
	fi

	if [ -x "/etc/init.d/amavis-chroot" ]; then
		update-rc.d amavis-chroot defaults >/dev/null
	fi

	if [ -x "/etc/init.d/clamav-daemon-chroot" ]; then
		update-rc.d clamav-daemon-chroot defaults >/dev/null
	fi

	if [ -x "/etc/init.d/clamav-freshclam-chroot" ]; then
		update-rc.d clamav-freshclam-chroot defaults >/dev/null
	fi

	if [ -x "/etc/init.d/opendkim-chroot" ]; then
		update-rc.d opendkim-chroot defaults >/dev/null
	fi

	if [ -x "/etc/init.d/postsrsd-chroot" ]; then
		update-rc.d postsrsd-chroot defaults >/dev/null
	fi

	if [ -f /chroot/maild/usr/sbin/cbpolicyd -a ! -f /chroot/maild/usr/bin/policyd-rate-limit ]; then
		if [ -x "/etc/init.d/postfix-cluebringer-chroot" ]; then
			update-rc.d postfix-cluebringer-chroot defaults >/dev/null
		fi
	fi

	if [ -f /chroot/maild/usr/bin/policyd-rate-limit ]; then
		if [ -x "/etc/init.d/policyd-rate-limit-chroot" ]; then
			update-rc.d policyd-rate-limit-chroot defaults >/dev/null
		fi
	fi

	if [ -x "/etc/init.d/rsyslog" ]; then
		/etc/init.d/rsyslog restart
	fi

else
	echo "No init system found, check manually"
fi

echo "Checking systemd socket placeholders"
/usr/lib/3gsystools/chr_placeholder_check /chroot/maild/run			/systemd/notify file
/usr/lib/3gsystools/chr_placeholder_check /chroot/maild/run			/systemd/journal/dev-log file
/usr/lib/3gsystools/chr_placeholder_check /chroot/maild/var/spool/postfix	/dev/log file
/usr/lib/3gsystools/chr_placeholder_check /chroot/maild/var/spool/postfix-nl	/dev/log file

echo "Checking mysql socket placeholder dirs"
/usr/lib/3gsystools/chr_placeholder_check /chroot/maild/run			/mysqld dir
/usr/lib/3gsystools/chr_placeholder_check /chroot/maild/var/spool/postfix	/run/mysqld dir

echo "Checking opendkim socket placeholder dirs"
/usr/lib/3gsystools/chr_placeholder_check /chroot/maild/var/spool/postfix	/run/opendkim dir
/usr/lib/3gsystools/chr_placeholder_check /chroot/maild/var/spool/postfix-nl	/run/opendkim dir
/usr/lib/3gsystools/chr_placeholder_check /var/spool/postfix			/run/opendkim dir

echo "Checking SSL cert placeholder dirs"
/usr/lib/3gsystools/chr_placeholder_check /chroot/maild/etc/ssl /sys dir

echo "Checking fstab"
/usr/local/sbin/fstab-chr

exit 0