#!/sbin/runscript
# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-antivirus/clamav/files/clamd.rc,v 1.16 2008/02/29 23:46:46 ticho Exp $

opts="logfix"

depend() {
	use net
	MYPROVIDE="antivirus"
	if [ "${START_FRESHCLAM}" = "yes" ]; then
	    MYPROVIDE="${MYPROVIDE} milter"
	fi
	provide ${MYPROVIDE}
}

start() {
	local clamd_socket=`awk '$1 == "LocalSocket" { print $2 }' /etc/clamd.conf`

	logfix

	if [ "${START_CLAMD}" = "yes" ]; then
		if [ -S "${clamd_socket:-/tmp/clamd}" ]; then
			rm -f ${clamd_socket:-/tmp/clamd}
		fi
		ebegin "Starting clamd"
		start-stop-daemon --start --quiet \
			--nicelevel ${CLAMD_NICELEVEL:-0} \
			--exec /usr/sbin/clamd
		eend $? "Failed to start clamd"
	fi

	if [ "${START_FRESHCLAM}" = "yes" ]; then
		ebegin "Starting freshclam"
		start-stop-daemon --start --quiet \
			--nicelevel ${FRESHCLAM_NICELEVEL:-0} \
			--exec /usr/bin/freshclam -- -d
		retcode=$?
		if [ ${retcode} = 1 ]; then
			eend 0
			einfo "Virus databases are already up to date."
		else
			eend ${retcode} "Failed to start freshclam"
		fi
	fi
	if [ "${START_MILTER}" = "yes" ]; then
		if [ -S "${MILTER_SOCKET}" ]; then
			rm -f ${MILTER_SOCKET}
		fi


		local milter_ext=no
		local milter_svr=no
		args=`getopt -q --options "es" --longoptions "external,server" --  $MILTER_OPTS`
		for arg in $args; do

			case "$arg" in

			-e | --external)
				milter_ext=yes;
				shift;;

			-s | --server)
				milter_svr=yes;
				shift;;

			--)
				shift;
				break;;
			esac
		done

		if [[ $milter_ext == yes && $milter_svr == no ]]; then
			local clamd_socket_wait_count=0
			local clamd_socket_wait_max=10
			local clamd_socket_wait_result=-1
			ebegin "Waiting for clamd to create ${clamd_socket}"
			while (( clamd_socket_wait < clamd_socket_wait_max )); do
				if [ -S "${clamd_socket:-/tmp/clamd}" ]; then
					clamd_socket_wait_result=0
					break
				else
					echo -n " ."
					let clamd_socket_wait++
					sleep 1
				fi
			done
			echo
			eend $clamd_socket_wait_result "Timeout waiting for ${clamd_socket}"
		fi
			
		ebegin "Starting clamav-milter"
		start-stop-daemon --start --quiet \
			--nicelevel ${MILTER_NICELEVEL:-0} \
			--exec /usr/sbin/clamav-milter -- ${MILTER_OPTS} ${MILTER_SOCKET}
		eend $? "Failed to start clamav-milter"
	fi
}

stop() {
	if [ "${START_CLAMD}" = "yes" ]; then
		ebegin "Stopping clamd"
		start-stop-daemon --stop --quiet --exec /usr/sbin/clamd
		eend $? "Failed to stop clamd"
	fi
	if [ "${START_FRESHCLAM}" = "yes" ]; then
		ebegin "Stopping freshclam"
		start-stop-daemon --stop --quiet --exec /usr/bin/freshclam
		eend $? "Failed to stop freshclam"
	fi
	if [ "${START_MILTER}" = "yes" ]; then
		ebegin "Stopping clamav-milter"
		start-stop-daemon --stop --quiet --exec /usr/sbin/clamav-milter
		eend $? "Failed to stop clamav-milter"
	fi
}

logfix() {
	if [ "${START_CLAMD}" = "yes" ]; then
		# fix clamd log permissions
		# (might be clobbered by logrotate or something)
		local logfile=`awk '$1 == "LogFile" { print $2 }' /etc/clamd.conf`
		local clamav_user=`awk '$1 == "User" { print $2 }' /etc/clamd.conf`
		if [ -n "${logfile}" ] && [ -n "${clamav_user}" ]; then
			if [ ! -f "${logfile}" ]; then
				touch ${logfile}
			fi
			chown ${clamav_user} ${logfile}
			chmod 640 ${logfile}
		fi
	fi

	if [ "${START_FRESHCLAM}" = "yes" ]; then
		# fix freshclam log permissions
		# (might be clobbered by logrotate or something)
		logfile=`awk '$1 == "UpdateLogFile" { print $2 }' /etc/freshclam.conf`
		local freshclam_user=`awk '$1 == "DatabaseOwner" { print $2 }' /etc/freshclam.conf`
		if [ -n "${logfile}" -a -n "${clamav_user}" ]; then
			if [ ! -f "${logfile}" ]; then
				touch ${logfile}
			fi	
			chown ${freshclam_user} ${logfile}
			chmod 640 ${logfile}
		fi
	fi
}