#! /bin/sh
#
# Copyright (c) 1996-2001 SuSE GmbH Nuernberg, Germany.
# Copyright (c) 2002-2003 SuSE Linux AG, Nuernberg, Germany.
# Copyright (c) 2004-2008 SUSE LINUX Products GmbH, Nuernberg, Germany.
#
# Author: Florian La Roche <florian@suse.de>, 1996
#	  Werner Fink <werner@suse.de>, 1998-2008
#	 Stephan Kulow <coolo@suse.de>, 2005-2008
#	 Marius Tomaschewski <mt@suse.de>, 2001-2008
#
# /etc/init.d/syslog
#
### BEGIN INIT INFO
# Provides:       syslog
# Required-Start: 
# Should-Start:   earlysyslog network
# Required-Stop:  
# Should-Stop:    earlysyslog network
# Default-Start:  2 3 5
# Default-Stop:
# Description:    Start the system logging daemons
### END INIT INFO

. /etc/sysconfig/syslog

BINDIR=/sbin

# update $SYSLOG_DAEMON if not up-to-date
test -n "$SYSLOG_DAEMON" && \
test -x "${BINDIR}/$SYSLOG_DAEMON" || {
    for SYSLOG_DAEMON in rsyslogd syslog-ng syslogd ; do
	test -x "${BINDIR}/$SYSLOG_DAEMON" && break
    done
}

# set daemon dependent variables
rsocks=""
start_klogd=yes
case "$SYSLOG_DAEMON" in
    rsyslogd)
	syslog=rsyslogd
	config=/etc/rsyslog.conf
	compat=${RSYSLOGD_COMPAT_VERSION:-${RSYSLOGD_NATIVE_VERSION}}
	params="-c ${compat:-3} -f $config $RSYSLOGD_PARAMS"
	rsocks="/var/run/rsyslog/additional-log-sockets.conf"
	mkdir -p -m 0755 /var/run/rsyslog
	test -r "$config" && \
	while read one two rest ; do
	    test "x$one" = 'x$ModLoad'  && \
	    test "x$two" = 'ximklog.so' && {
		start_klogd=no
		break
	    }
	done < $config
	;;
    syslog-ng)
	syslog=syslog-ng
	config=/etc/syslog-ng/syslog-ng.conf
	params="$SYSLOG_NG_PARAMS"
	ngsocks="/var/run/syslog-ng/additional-log-sockets.conf"
	ngsocksdir="/var/run/syslog-ng"
	mkdir -p -m 0755 $ngsocksdir
	test -r "$config" && \
	while read line; do
	    case $line in file*/proc/kmsg*)
		start_klogd=no ; break ;;
	    esac
	done < $config
	;;
    *)
	syslog=syslogd
	config=/etc/syslog.conf
	params="$SYSLOGD_PARAMS"
	;;
esac

syslog_pid="/var/run/${syslog}.pid"
syslog_bin=${BINDIR}/$syslog
  klog_bin=${BINDIR}/klogd
syslog_use=""

# check config and programs
test -s ${config}	  || {
    echo "${config} does not exist" 1>&2
    test "$1" == "stop" && exit 0
    exit 6
}
test -x ${syslog_bin} || {
    echo "${syslog_bin} is not installed" 1>&2
    test "$1" == "stop" && exit 0
    exit 5
}
test ! -x ${klog_bin} -a "$start_klogd" = yes && {
    echo "${klog_bin} is not installed" 1>&2
    test "$1" == "stop" && exit 0
    exit 5
}
test -s /run/rcsyslog && {
    read -t 5 syslog_use < /run/rcsyslog
}
test -z "$syslog_use" && syslog_use=${syslog_bin}
syslog_use_pid="/var/run/${syslog_use##*\/}.pid"

#
# Do not translate symbol addresses for 2.6 kernel
#
case "$(uname -r)" in
[01].*|2.[0-4].*) ;;
*)  case "$KLOGD_PARAMS" in
    *-x*) ;;
    *)	  KLOGD_PARAMS="${KLOGD_PARAMS:+$KLOGD_PARAMS }-x" ;;
    esac  ;;
esac

. /etc/rc.status
rc_reset
case "$1" in
    start)
	if test -e /run/rcearlysyslog ; then
	    # Syslog service already done
	    rm -f  /run/rcearlysyslog
	    case "$SYSLOG_DAEMON" in
		rsyslogd) ;; # switch to normal config
		*) exit 0 ;;
	    esac
	elif test "$2" = "early" ; then
	    # Start syslog service early
	    > /run/rcearlysyslog
 	fi

	if ! test -e /dev/xconsole ; then
	    mknod -m 0600  /dev/xconsole p
	    chown root:tty /dev/xconsole
	fi
	killproc -p /var/run/klogd.pid ${klog_bin}
	if test -s ${syslog_use_pid} ; then
	    killproc -p ${syslog_use_pid} ${syslog_use}
	    echo -n "Re-"
	    rm -f /run/rcsyslog
	fi
	echo -n "Starting syslog services"
	test -z "$KERNEL_LOGLEVEL" && KERNEL_LOGLEVEL=1

	case $syslog in
	    rsyslogd)
		if test -n "$rsocks" ; then
		    rm -f "$rsocks"
		    touch "$rsocks"
		fi
		;;
	    syslog-ng)
		echo 'source chroots{' > "$ngsocks"
		;;
	esac
	# add additional sockets to params or similar
	for variable in ${!SYSLOGD_ADDITIONAL_SOCKET*}; do
	    eval value=\$$variable
	    test -n "${value}" && test -d ${value%/*} && {
		case $syslog in
		    rsyslogd)
			if test -n "$rsocks" ; then
			    echo "\$AddUnixListenSocket $value" >> "$rsocks"
			fi
			;;
		    syslog-ng)
			echo "unix-dgram(\"$value\");" >> "$ngsocks"
			;;
		    *)
			params="$params -a $value"
			;;
		esac
	    }
	done
	case $syslog in
	    syslog-ng)
		echo "};" >> "$ngsocks"
		;;
	esac
	startproc -p ${syslog_pid} ${syslog_bin} ${params}
	rc_status

	# Remember the currently used syslog daemon
	echo ${syslog_bin} > /run/rcsyslog

	if test $? -eq 0 ; then
	    if test "$start_klogd" = yes ; then
		startproc ${klog_bin} -c $KERNEL_LOGLEVEL $KLOGD_PARAMS
		rc_status
	    fi
	fi
	rc_status -v
	;;
    stop)
	rm -f /run/rcearlysyslog
	test "$2" = "early" && exit 0

	echo -n "Shutting down syslog services"
	if test "$start_klogd" = yes ; then
	    killproc ${klog_bin}   ; rc_status
	else
	    killproc ${klog_bin}
	fi
	killproc -p ${syslog_use_pid} ${syslog_use} ; rc_status -v
	rm -f /run/rcsyslog
	;;
    try-restart|condrestart)
	if test "$1" = "condrestart"; then
	    echo "${attn} Use try-restart ${done}(LSB)${attn} instead${norm}"
	fi
	$0 status
	if test $? = 0; then
	    $0 restart
	else
	    rc_reset	# Not running is not a failure.
	fi
	rc_status
	;;
    restart)
	$0 stop
	$0 start
	rc_status
	;;
    reload|force-reload)
	echo -n "Reload syslog service"
	if test "$start_klogd" = yes ; then
	    killproc		      -TSTP ${klog_bin}   ; rc_status
	    killproc -p ${syslog_use_pid} -HUP  ${syslog_use} ; rc_status
	    killproc		      -CONT ${klog_bin}   ; rc_status
	    killproc		      -USR2 ${klog_bin}   ; rc_status -v
	else
	    killproc -p ${syslog_use_pid} -HUP  ${syslog_use} ; rc_status -v
	fi
	;;
    status)
	echo -n "Checking for service syslog:"
	if test "$start_klogd" = yes ; then
	    checkproc		  	${klog_bin}   ; rc_status
	fi
	checkproc -p ${syslog_use_pid}	${syslog_use} ; rc_status -v
	;;
    probe)
	if test "${syslog_use_pid}" != "${syslog_pid}" ; then
	    echo restart
	else
	    # Note: does not work when an included rsyslog config changed
	    test ${config} -nt ${syslog_pid} && echo reload
	fi
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
	exit 1
	;;
esac
rc_exit