#!/bin/sh

DAEMON=emailrelay
DAEMON_LONG_NAME="E-MailRelay"
. /etc/init.d/modlibrc


SPOOLDIR="$(echo "$EMAILRELAY_OPTIONS" | sed -n 's/^[ \t]*spool-dir //p')"

config() {
	mkdir $SPOOLDIR 2>/dev/null
}

pre_start() {
	if [ ! -d "$SPOOLDIR" ]; then
		echo "$DAEMON_LONG_NAME can not find spool directory, failed."
		return 1
	fi
}

start() {
	local STATIC_ARGS="--user=$DAEMON --pid-file=$PID_FILE"
	local CUSTOM_ARGS="$(
		echo "$EMAILRELAY_OPTIONS" | while read line; do
			echo "$line" | grep -q "^[ \t]*$" && continue
			echo "$line" | grep -q "^[ \t]*#" && continue
			echo "$line" | grep -qE "^close-stderr|^user |^pid-file " && continue
			echo "$line" | sed 's/^/--/;s/ /=/'
		done | sort -u
	)"
	modlib_startdaemon $DAEMON_BIN $STATIC_ARGS $CUSTOM_ARGS 2>/dev/null
}

startdaemon_post() {
	# wait for proper daemon startup, typically 0-2 seconds
	local cnt=0
	while [ $cnt -le 9 ]; do
		[ -s $PID_FILE ] && kill -0 "$(cat $PID_FILE)" 2>/dev/null && break
		let cnt++
		sleep 1
	done
}

case $1 in
	""|load)
		modlib_add_user_and_group $DAEMON
		[ ! -d "/tmp/flash/$DAEMON" ] && mkdir -p /tmp/flash/$DAEMON

		modreg file $DAEMON "filter" 'emailrelay-filter' 1 "emailrelay_filter"
		modreg file $DAEMON "auth" 'emailrelay.auth' 1 "emailrelay_auth"
		modreg file $DAEMON "pem" 'emailrelay.pem' 1 "emailrelay_pem"
		modreg file $DAEMON "verifier" 'emailrelay-verifier' 1 "emailrelay_verifier"
		modreg cgi $DAEMON "$DAEMON_LONG_NAME"
		modreg daemon $DAEMON

		modlib_start $EMAILRELAY_ENABLED
		;;
	unload)
		modunreg file $DAEMON
		modunreg daemon $DAEMON
		modunreg cgi $DAEMON

		modlib_stop
		;;
	start)
		modlib_start
		;;
	stop)
		modlib_stop
		;;
	restart)
		modlib_restart
		;;
	status)
		modlib_status
		;;
	*)
		echo "Usage: $0 [load|unload|start|stop|restart|status]" 1>&2
		exit 1
		;;
esac

exit 0