#!/sbin/runscript
# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

depend() {
	# need net
	use dns logger net
}
warn_msg() {
	echo
	ewarn "$1 parameter is not set!"
	ewarn "dkim-filter starts with"
	ewarn "$1=${!1}"
	ewarn "please set it in /etc/conf.d/dkim-filter"
	echo
}

die_msg() {
	echo
	eerror "please set paramter $1 in"
	eerror "/etc/conf.d/dkim-filter then start again"
	echo
}

check_cfg() {

	if [[ ! -f /etc/conf.d/dkim-filter ]] ; then
		eerror "/etc/conf.d/dkim-filter is missing"
		return 1
	fi

	source /etc/conf.d/dk-filter || {
		eerror "Prolem sourcing /etc/conf.d/dkim-filter"
		eerror "Please correct and start dkim-filter again"
		return 1
	}

	if [[ -z "${DK_FILTER_OPTS}" ]] ; then
		die_msg DK_FILTER_OPTS
		return 1
	fi

	if [[ -z "${SELECTOR}" ]] ; then
		die_msg SELECTOR
		return 1
	fi

	if [[ -z "${KEYPATH}" ]] ; then
		die_msg KEYPATH
		return 1
	fi

	if [[ ! -f "${KEYPATH}" ]] ; then
		echo
		eerror "run gentxt.sh to generate a private key first"
		eerror "then set KEYPATH in /etc/conf.d/dkim-filter to"
		eerror "the location of your private key"
		echo
		return 1
	fi

	if [[ -z "${SOCKETSPEC}" ]] ; then
		SOCKETSPEC="inet:8026@localhost"
		warn_msg SOCKETSPEC
	fi

	if [[ -z "${DOMAIN}" ]] ; then
		DOMAIN=$(domainname)
		warn_msg DOMAIN
	fi

	if [[ -z "${CANON}" ]] ; then
		CANON="relaxed/simple"
		warn_msg CANON
	fi

	if [[ -z "${USER}" ]] ; then
		USER="milter"
		warn_msg USER
	fi

	if [[ -z "${SIGNALG}" ]] ; then
		SIGNALG="rsa-sha1"
		warn_msg SIGNALG
	fi

	if [[ -z "${PIDFILE}" ]] ; then
		PIDFILE="/var/run/dk-filter/dkim-filter.pid"
		warn_msg PIDFILE
	fi

	source /etc/conf.d/dkim-filter
}

start() {
	check_cfg || return 1
	# einfo "DK_FILTER_OPTS: $DK_FILTER_OPTS"
	ebegin "Starting DKIM Filter"
	start-stop-daemon --start --quiet --background \
		--exec /usr/bin/dkim-filter -- ${DK_FILTER_OPTS}
	eend $?
}

stop() {
	ebegin "Stopping DKIM Filter"
	start-stop-daemon --stop --quiet --name dkim-filter
	eend $?
}