bind/named.init
2005-02-18 21:20:30 +00:00

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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.
if [ -n "`/sbin/pidof named`" ]; then
echo -n $"$prog: already running"
return 1
fi
echo -n $"Starting $prog: "
ckcf_options='';
if [ -n "${ROOTDIR}" -a "x${ROOTDIR}" != "x/" ]; then
OPTIONS="${OPTIONS} -t ${ROOTDIR}"
ckcf_options="-t ${ROOTDIR}";
if [ -s /etc/localtime ]; then
cp -fp /etc/localtime ${ROOTDIR}/etc/localtime
fi;
fi
no_write_master_zones=0
if [ -e /etc/selinux/config ]; then
. /etc/selinux/config
if [ "$SELINUX" != 'disabled' ] && [ "$SELINUXTYPE" != "" ] && [ -d /etc/selinux/${SELINUXTYPE} ] && [ -e /etc/selinux/${SELINUXTYPE}/booleans ]; then
. /etc/selinux/${SELINUXTYPE}/booleans
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 ] && /usr/sbin/named-checkconf $ckcf_options; then
conf_ok=1;
else
RETVAL=$?;
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 ${OPTIONS};
RETVAL=$?;
else
named_err=`/usr/sbin/named -g 2>&1 | sed s/\n/\\n/g`;
if [ `tty` != "/dev/console" ]; then
echo -e "\n$named_err";
echo -n "Error in configuration file /etc/named.conf : ";
fi;
failure $"Error in configuration file /etc/named.conf : $named_err";
echo
return $RETVAL;
fi;
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/named
echo
return $RETVAL
}
stop() {
# Stop daemons.
echo -n $"Stopping $prog: "
/usr/sbin/rndc stop >/dev/null 2>&1
RETVAL=$?
[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/named || {
# killproc named
# Never do this! Can cause corrupt zone files!
/usr/sbin/rndc stop >/dev/null 2>&1
RETVAL=$?
[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/named
echo
return $RETVAL
}
success
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 || /usr/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 $?
}
# 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
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|reload|probe}"
exit 1
esac
exit $?