#!/bin/bash

#

# ypbind:       Starts the ypbind Daemon

#

# Version:      @(#) /etc/init.d/ypbind.init 1.3

#

# chkconfig: - 27 73

# description: This is a daemon which runs on NIS/YP clients and binds them \

#              to a NIS domain. It must be running for systems based on glibc \

#              to work as NIS clients, but it should not be enabled on systems \

#              which are not using NIS.

# processname: ypbind

# config: /etc/yp.conf

OTHER_YPBIND_OPTS=""

# Source function library.

. /etc/init.d/functions

. /etc/sysconfig/network

# Check for and source configuration file otherwise set defaults

[ -f /etc/sysconfig/ypbind ] && . /etc/sysconfig/ypbind

# NISTIMEOUT should be a multiple of 15 since

# ypwhich has a hardcoded 15sec timeout

[ -z "$NISTIMEOUT" ] && NISTIMEOUT=45

# Check that networking is configured.

[ "${NETWORKING}" = "no" ] && exit 0

selinux_on() {

        [ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled || return

	#echo $"Turning on allow_ypbind SELinux boolean"

        setsebool allow_ypbind=1

}

selinux_off() {

        [ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled || return

	allow_ypbind=0

	.  /etc/selinux/config

	if [ -e /etc/selinux/${SELINUXTYPE}/modules/active/booleans.local ]; then

		. /etc/selinux/${SELINUXTYPE}/modules/active/booleans.local

	fi

	if [ $allow_ypbind == 0 ]; then

		#echo $"Turning off allow_ypbind SELinux boolean"

		setsebool allow_ypbind=$allow_ypbind

	fi

}

start() {

	DOMAINNAME=`domainname`

	if [ "$DOMAINNAME" = "(none)" -o "$DOMAINNAME" = "" ]; then

		echo -n $"Setting NIS domain: "

		if [ -n "$NISDOMAIN" ]; then

			action $"domain is '$NISDOMAIN' " domainname $NISDOMAIN

		else # See if the domain is set in config file

			NISDOMAIN=`grep "domain" /etc/yp.conf | grep -v ^# | \

				awk '{print $2}'`

	   		if [ -n "$NISDOMAIN" ]; then

				action $"domain is '$NISDOMAIN' " \

					domainname $NISDOMAIN

	   		else

				action $"domain not found" /bin/false

				logger -t ypbind $"domain not found"

	        		return 1

			fi

		fi

	fi

	echo -n $"Starting NIS service: "

	selinux_on

	daemon ypbind $OTHER_YPBIND_OPTS

	RETVAL=$?

	echo

	if [ $RETVAL -ne 0 ]; then

	    selinux_off

	    logger -t ypbind "failed to start!"

	    return $RETVAL

	fi

	echo -n $"Binding NIS service: "

	# the following fixes problems with the init scripts continuing

	# even when we are really not bound yet to a server, and then things

	# that need NIS fail.

	timeout=10

	firsttime=1

        SECONDS=0

	while [ $SECONDS -lt $timeout ]; do

		if /usr/sbin/rpcinfo -p | LC_ALL=C fgrep -q ypbind

		then

			if [ $firsttime -eq 1 ]; then

				# reset timeout

				timeout=$NISTIMEOUT

				firsttime=0

			fi

			/usr/bin/ypwhich > /dev/null 2>&1

		    	RETVAL=$?

	    		if [ $RETVAL -eq 0 ]; then

				break;

	    		fi

		fi

		sleep 2

		echo -n "..."

	done

	if [ $RETVAL -eq 0 ]; then

	    logger -t ypbind \

	    	"NIS domain: `domainname`, NIS server: `ypwhich 2> /dev/null`"

	    touch /var/lock/subsys/ypbind

	    success

	else

	    logger -t ypbind \

	    	"NIS server for domain `domainname` is not responding."

	    failure

	    selinux_off

		RETVAL=100

	fi

	echo

	return $RETVAL

}

stop() {

	echo -n $"Shutting down NIS service: "

	killproc ypbind

	RETVAL=$?

	if [ $RETVAL -eq 0 ] ; then

		rm -f /var/lock/subsys/ypbind

		# if  we used brute force (like kill -9) we don't want those around

		if [ x$(domainname) != x ] ; then

			rm -f /var/yp/binding/$(domainname)*

		fi

	fi

	echo

	selinux_off

	return $RETVAL

}

restart() {

	stop

	start

}

RETVAL=0

# See how we were called.

case "$1" in

  start)

	start 

	[ $? -eq 100 ] && stop

	;;

  stop)

	stop

	;;

  status)

	status ypbind

	RETVAL=$?

	;;

  restart|reload)

	restart

	;;

  condrestart)

        [ -f /var/lock/subsys/ypbind ] && restart || :

	;;

  *)

	echo $"Usage: $0 {start|stop|status|restart|condrestart}"

	exit 1

esac

exit $?