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#!/sbin/openrc-run
# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

depend() {
	use logger
	need net
	before mta
}

checkconfig() {
	if [ ! -f "/etc/dcc/dcc_conf" ]; then
		eerror "You need a DCC configuration in /etc/dcc/dcc_conf"
		return 1
	fi
	for i in DCCD_ENABLE GREY_ENABLE DCCM_ENABLE DCCM_ARGS DCCIFD_ENABLE DCC_LIBEXEC DCC_RUNDIR \
		SOCKET_USER SOCKET_GROUP SOCKET_MODE; do
		read -r ${i} <<-EOF
		$( grep ^[[:space:]]*${i} /etc/dcc/dcc_conf | sed s/.*=// )
	EOF
	done
	DCC_RUNDIR="${DCC_RUNDIR:-/var/run/dcc}"
	if [ ! -d "${DCC_RUNDIR}" ]; then
		checkpath -q -d -o root:root -m 0755 "${DCC_RUNDIR}" || return 1
	fi
}

start() {
	checkconfig || return 1
	local atleastone="${DCCD_ENABLE}${GREY_ENABLE}${DCCM_ENABLE}${DCCIFD_ENABLE}"
	atleastone=$( echo ${atleastone} | tr -d 'off' )
	if [ -z "${atleastone}" ]; then
		eend 1 "At least one service should be 'on' in /etc/dcc/dcc_conf"
		return 1
	fi

	if [ "${DCCD_ENABLE}" = "on" ] && [ -x "${DCC_LIBEXEC}/start-dccd" ]; then
		ebegin "Starting dccd"
		${DCC_LIBEXEC}/start-dccd >/dev/null 2>&1
		eend ${?}
	fi

	if [ "${GREY_ENABLE}" = "on" ] && [ -x "${DCC_LIBEXEC}/start-grey" ]; then
		ebegin "Starting grey"
		${DCC_LIBEXEC}/start-grey >/dev/null 2>&1
		eend ${?}
	fi

	if [ "${DCCM_ENABLE}" = "on" ] && [ -x "${DCC_LIBEXEC}/start-dccm" ]; then
		ebegin "Starting dccm"
		${DCC_LIBEXEC}/start-dccm >/dev/null 2>&1
		eend ${?}
		if !(echo ${DCCM_ARGS}|grep -q "^\-p\|[[:space:]]\-p"); then
			local dccmtimeout=0
			while [ ${dccmtimeout} -le 20 ] ; do
				if [ -S "${DCC_RUNDIR}/dccm" ] || [ -r "${DCC_RUNDIR}/dccm" ]; then
					break
				else
					sleep 1
					dccmtimeout=$(($dccmtimeout + 1))
				fi
			done
			chown ${SOCKET_USER:-milter}:${SOCKET_GROUP:-milter} ${DCC_RUNDIR}/dccm 1>/dev/null 2>&1
			chmod ${SOCKET_MODE:-664} ${DCC_RUNDIR}/dccm 1>/dev/null 2>&1
		fi
		sed -i -e "s:^\-::" ${DCC_RUNDIR}/dccm.pid 1>/dev/null 2>&1 || return 1
	fi

	if [ "${DCCIFD_ENABLE}" = "on" ] && [ -x "${DCC_LIBEXEC}/start-dccifd" ]; then
		ebegin "Starting dccif"
		${DCC_LIBEXEC}/start-dccifd >/dev/null 2>&1
		eend ${?}
	fi
}

stop() {
	checkconfig || return 1

	if [ -r "${DCC_RUNDIR}/dccifd.pid" ]; then
		ebegin "Stopping dccif"
		kill -s 15 $(cat ${DCC_RUNDIR}/dccifd.pid) 2>/dev/null
		eend ${?}
	fi

	if [ -r "${DCC_RUNDIR}/dccm.pid" ]; then
		ebegin "Stopping dccm"
		kill -s 15 $(cat ${DCC_RUNDIR}/dccm.pid) 2>/dev/null
		eend ${?}
	fi

	if (pidof dccd >/dev/null 2>&1) && [ -x "${DCC_LIBEXEC}/stop-dccd" ]; then
		ebegin "Stopping dccd"
		${DCC_LIBEXEC}/stop-dccd >/dev/null 2>&1
		eend ${?}
	fi

	if (pidof dccd >/dev/null 2>&1) && [ -x "${DCC_LIBEXEC}/stop-dccd" ]; then
		ebegin "Stopping grey"
		${DCC_LIBEXEC}/stop-dccd -G >/dev/null 2>&1
		eend ${?}
	fi
}