#!/bin/sh

# description: start/stop Clam AntiVirus scanner daemon
#
# default: S/K41 0/K41 1/K41 2/S86

# License: CDDL 1.0 - see http://www.opensource.org/licenses/CDDL-1.0
# Copyright (c) 2006-2014 Jens Elkner. All rights reserved.

# $Id$

# default clamd configuration file
CONF=/etc/clamav/clamd.conf
# default file descriptor limit
integer FDLIMIT=1024

NAME="Clam AntiVirus scanner daemon"
SPATH=@CLIENT_BASEDIR@/sbin
DAEMON="clamd"

. /lib/svc/share/smf_include.sh

function getSvcProp {
	typeset -n RES=$2
	typeset VAL="${ svcprop -p "$1" ${SMF_FMRI} 2>/dev/null ; }"
	[[ ${VAL} != '""' && -n ${VAL} ]] && RES="${VAL}" || RES="$3"
}

[[ -z ${SMF_FMRI} ]] && SMF_FMRI='clamscan:default'

case "$1" in
start)
	getSvcProp config/file CONF "${CONF}"
	if [[ ! -r ${CONF} ]]; then
		print -u2 "Unable to read config file '${CONF}'."
		exit ${SMF_EXIT_ERR_CONFIG}
	fi

	# in case FixStaleSocket is not enabled, not doing this would
	# prevent it to work on the next start
	SOCKET=''
	while read KEY VAL TAIL ; do
		[[ ${KEY} == 'LocalSocket' ]] && SOCKET="${VAL}" && break
	done < "${CONF}"
	if [[ -n ${SOCKET} && -r ${SOCKET} ]]; then
		if ! rm -f "${SOCKET}" ; then
			print -u2 "Unable to remove ${SOCKET} - as long as it exist, ${DAEMON} would not start. So remove it manually, please."
			exit ${SMF_EXIT_ERR_PERM}
		fi
	fi
	getSvcProp config/fd_limit SOCKET 1024
	[[ ${SOCKET} =~ [0-9]+ ]] && FDLIMIT=${SOCKET}
	(( FDLIMIT >= 64 )) && ulimit -n ${FDLIMIT}

	print "Starting ${NAME} ..."
	if ! ${SPATH}/${DAEMON} -c "${CONF}" ; then
		print -u2 "'${SPATH}/${DAEMON} -c ${CONF}' failed."
		exit ${SMF_EXIT_ERR_FATAL}
	fi
	print 'done.'
	;;
stop|reload|log)
	integer CID
	getSvcProp restarter/contract CID 0
	if (( ! CID )); then
		print -u2 "${SMF_FMRI} is not running."
	else
		# NOTE: reload just reloads the DBs, not the config!
		SIG='USR2'
		[[ $1 == 'stop' ]] && SIG='TERM' || { [[ $1 == 'log' ]] && SIG='HUP' ; }
		print "Sending SIG${SIG} to contract ${CID} ..."
		smf_kill_contract "${CID}" "${SIG}"
		print 'done.'
	fi
	;;
*)
	print "Usage: $0 { start | stop | reload | log }"
	exit ${SMF_EXIT_ERR_FATAL}
	;;
esac
exit ${SMF_EXIT_OK}