#!/sbin/openrc-run
# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

depend() {
	use logger net
}

parse_opts() {
	local milter_opt milter_flag=
	for milter_opt in ${HASHCASH_MILTER_OPTS}; do
		case "${milter_flag}" in
			-u)	milter_user=${milter_opt}
				;;
			-P)	milter_pid=${milter_opt}
				;;
		esac
		[ -n "${milter_user}" -a -n "${milter_pid}" ] && break
		milter_flag=${milter_opt}
	done

	if [ -z "${milter_user}" ]; then 
		milter_user=milter
		HASHCASH_MILTER_OPTS="${HASHCASH_MILTER_OPTS} -u ${milter_user}"
	fi
	if [ -z "${milter_pid}" ]; then 
		milter_pid="/var/run/hashcash-milter.pid"
		HASHCASH_MILTER_OPTS="${HASHCASH_MILTER_OPTS} -P ${milter_pid}"
	fi
}

clean_socket() {
	local socket_file= svc_pid=

	socket_file="$(echo ${HASHCASH_MILTER_OPTS} | sed -e 's/.*local:\(.*\) .*/\1/' | awk '{print $1}')"
	svc_pid="$(ps -C hashcash-milter -o pid=)"
	if [ -z "${svc_pid}" ]  && [ ! -z "${socket_file}" ] && [ -S "${socket_file}" ]; then
		ewarn "Strange, the socket file already exist in \"${socket_file}\""
		ewarn "it will be removed now and re-created by the hashcash-milter server"
		ewarn "BUT please make your checks."
		rm -f "${socket_file}"
	fi
}

check_socketdir() {
	local socket_dir
	case "${SOCKETSPEC}" in
		local:*) socket_dir="$(echo ${SOCKETSPEC} | sed -e 's~^local:\(.*\)/.*$~\1~')"
			if [ ! -d ${socket_dir} ]; then
				checkpath -q -d -o ${milter_user}:${milter_user} -m 0755 ${socket_dir} || return 1
			fi ;;
		inet:*) ;;
		inet6:*) ;;
		*)      eerror "Unknown socket spec.  Please check your /etc/conf.d/hashcash-milter file."
			return 1 ;;
	esac
}


start() {
	local milter_user= milter_pid=

	clean_socket
	parse_opts
	check_socketdir || return 1
	if ! (touch ${milter_pid} && chown ${milter_user} ${milter_pid}) ; then
		eerror "Failed to create pidfile"
		return 1
	fi

	ebegin "Starting Hashcash Milter"
	start-stop-daemon --start --exec /usr/bin/hashcash-milter -- ${HASHCASH_MILTER_OPTS}
	eend $?
}

stop() {
	local milter_user= milter_pid=

	parse_opts

	ebegin "Stopping Hashcash Milter"
	start-stop-daemon --stop --quiet --name hashcash-milter --pidfile ${milter_pid}
	eend $?

	if [ $? = 0 -a -f "${milter_pid}" ]; then
		rm ${milter_pid}
	fi
}