bind/named.init
2005-07-19 15:40:15 +00:00

213 lines
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#!/bin/bash
#
# named This shell script takes care of starting and stopping
# named (BIND DNS server).
#
# chkconfig: - 11 89
# description: named (BIND) is a Domain Name Server (DNS) \
# that is used to resolve host names to IP addresses.
# probe: true
# Source function library.
. /etc/rc.d/init.d/functions
# Source networking configuration.
[ -r /etc/sysconfig/network ] && . /etc/sysconfig/network
RETVAL=0
prog="named"
# Check that networking is up.
[ "${NETWORKING}" = "no" ] && exit 1
[ -r /etc/sysconfig/named ] && . /etc/sysconfig/named
[ -x /usr/sbin/named ] || exit 1
[ -r ${ROOTDIR}/etc/named.conf ] || exit 1
start() {
# Start daemons.
echo -n $"Starting $prog: "
if [ -n "`/sbin/pidof named`" ]; then
echo -n $"$prog: already running"
failure
echo
return 1
fi
ckcf_options='-z'; # enable named-checkzone for each zone (9.3.1+) !
if [ -n "${ROOTDIR}" -a "x${ROOTDIR}" != "x/" ]; then
OPTIONS="${OPTIONS} -t ${ROOTDIR}"
ckcf_options="$ckcf_options -t ${ROOTDIR}";
if [ -s /etc/localtime ]; then
cp -fp /etc/localtime ${ROOTDIR}/etc/localtime
fi;
if [ ! -d ${ROOTDIR}/proc ]; then
mkdir -p ${ROOTDIR}/proc
fi
if ! egrep -q "${ROOTDIR}/proc proc" /etc/mtab; then
mount -tproc none ${ROOTDIR}/proc >/dev/null 2>&1
fi
fi
no_write_master_zones=0
if [ -e /etc/selinux/config ]; then
. /etc/selinux/config
if [[ ( "$SELINUX" != 'disabled') && ("$SELINUXTYPE" != "") && (-d /etc/selinux/${SELINUXTYPE}) && (-e /etc/selinux/${SELINUXTYPE}/booleans || (-e /etc/selinux/${SELINUXTYPE}/booleans.local)) ]]; then
if [ -e /etc/selinux/${SELINUXTYPE}/booleans.local ]; then
. /etc/selinux/${SELINUXTYPE}/booleans.local;
else
. /etc/selinux/${SELINUXTYPE}/booleans;
fi;
if echo "$named_write_master_zones" | /bin/egrep -q '^[0-9]+$'; then
if [ "$named_write_master_zones" -eq 1 ] ; then
/bin/chown -f --from=root:named named:named $ROOTDIR/var/named
elif [ "$named_write_master_zones" -eq 0 ] ; then
/bin/chown -f --from=named:named root:named $ROOTDIR/var/named
fi;
fi;
else
no_write_master_zones=1
fi;
else
no_write_master_zones=1
fi;
if [ "$no_write_master_zones" -eq 1 ]; then
if [[ "$ENABLE_ZONE_WRITE" = [yY1]* ]]; then
/bin/chown -f --from=root:named named:named $ROOTDIR/var/named
elif [[ "$ENABLE_ZONE_WRITE" = [nN0]* ]]; then
/bin/chown -f --from=named:named root:named $ROOTDIR/var/named
fi;
fi
conf_ok=0;
if [ -x /usr/sbin/named-checkconf ] && [ -x /usr/sbin/named-checkzone ] && /usr/sbin/named-checkconf $ckcf_options >/dev/null 2>&1; then
conf_ok=1;
else
RETVAL=$?;
fi
PROG=named
if [[ "$ENABLE_SDB" = [yY1]* ]] && [ -x /usr/sbin/named_sdb ]; then
PROG=named_sdb;
fi;
if [ $conf_ok -eq 1 ]; then
daemon /usr/sbin/$PROG -u named ${OPTIONS};
RETVAL=$?;
if [ $RETVAL -eq 0 ]; then
rm -f /var/run/named.pid
ln -s $ROOTDIR/var/run/named/named.pid /var/run/named.pid;
fi;
else
named_err="`/usr/sbin/named-checkconf $ckcf_options 2>&1`";
echo
echo $"Error in named configuration"':';
echo "$named_err";
failure
echo
if [ -x /usr/bin/logger ]; then
echo "$named_err" | /usr/bin/logger -pdaemon.error -tnamed
fi;
return $RETVAL;
fi;
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/named
echo
return $RETVAL
}
stop() {
# Stop daemons.
echo -n $"Stopping $prog: "
/usr/sbin/rndc stop >/dev/null 2>&1
RETVAL=$?
if [ $RETVAL -eq 0 ]; then
rm -f /var/lock/subsys/named
rm -f /var/run/named.pid
elif pidof named >/dev/null; then
killproc named -TERM >/dev/null 2>&1
RETVAL=$?
if [ $RETVAL -eq 0 ]; then
rm -f /var/lock/subsys/named
rm -f /var/run/named.pid
fi;
fi;
if [ $RETVAL -eq 0 ]; then
success
else
failure
fi;
echo
return $RETVAL
}
rhstatus() {
/usr/sbin/rndc status
return $?
}
restart() {
stop
# wait a couple of seconds for the named to finish closing down
sleep 2
start
}
reload() {
echo -n $"Reloading $prog: "
p=`/sbin/pidof -o %PPID named`
RETVAL=$?
if [ "$RETVAL" -eq 0 ]; then
/usr/sbin/rndc reload >/dev/null 2>&1 || /bin/kill -HUP $p;
RETVAL=$?
fi
[ "$RETVAL" -eq 0 ] && success $"$prog reload" || failure $"$prog reload"
echo
return $?
}
probe() {
# named knows how to reload intelligently; we don't want linuxconf
# to offer to restart every time
/usr/sbin/rndc reload >/dev/null 2>&1 || echo start
return $?
}
checkconfig() {
ckcf_options='-z'; # enable named-checkzone for each zone (9.3.1+) !
if [ -n "${ROOTDIR}" -a "x${ROOTDIR}" != "x/" ]; then
OPTIONS="${OPTIONS} -t ${ROOTDIR}"
ckcf_options="$ckcf_options -t ${ROOTDIR}";
fi;
if [ -x /usr/sbin/named-checkconf ] && [ -x /usr/sbin/named-checkzone ] && /usr/sbin/named-checkconf $ckcf_options ; then
return 0;
else
return 1;
fi
}
# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
status)
rhstatus
;;
restart)
restart
;;
condrestart)
if [ -e /var/lock/subsys/named ]; then restart; fi
;;
reload)
reload
;;
probe)
probe
;;
checkconfig)
checkconfig
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|reload|probe}"
exit 1
esac
exit $?