#!/bin/bash
#
# kadmind      Start and stop the Kerberos 5 administrative server.
#
# chkconfig:   - 35 65
# description: Kerberos 5 is a trusted third-party authentication system.  \
#	       This script starts and stops the Kerberos 5 administrative \
#              server, which should only be run on the master server for a \
#              realm.
# processname: kadmind
# config: /etc/sysconfig/kadmin
#

# Get config.
. /etc/sysconfig/network

# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0

# Get config.
[ -r /etc/sysconfig/kadmin ] && . /etc/sysconfig/kadmin

# Source function library.
. /etc/init.d/functions
prog="Kerberos 5 Admin Server"
kadmind=/usr/kerberos/sbin/kadmind

RETVAL=0

# Shell functions to cut down on useless shell instances.
start() {
  	if [ ! -f /var/kerberos/krb5kdc/principal ] ; then
	    # Make an educated guess -- if they're using kldap somewhere,
	    # then we don't know for sure that this is an error.
  	    if ! grep -q 'db_library.*=.*kldap' /etc/krb5.conf ; then
	        echo $"Error. Default principal database does not exist."
	        exit 0
	    fi
	fi
  	if [ -f /var/kerberos/krb5kdc/kpropd.acl ] ; then
	    echo $"Error. This appears to be a slave server, found kpropd.acl"
	    exit 0
	else
  	    if [ ! -f /var/kerberos/krb5kdc/kadm5.keytab ] ; then
		echo -n $"Extracting kadm5 Service Keys: "
		# This should always work.
		/usr/kerberos/sbin/kadmin.local ${KRB5REALM:+-r $KRB5REALM} -q "ktadd -k /var/kerberos/krb5kdc/kadm5.keytab kadmin/admin${KRB5REALM:+@$KRB5REALM} kadmin/changepw${KRB5REALM:+@$KRB5REALM}" && success || failure
		# It's probably okay if this fails.
		/usr/kerberos/sbin/kadmin.local ${KRB5REALM:+-r $KRB5REALM} -q "ktadd -k /var/kerberos/krb5kdc/kadm5.keytab kadmin/`hostname`${KRB5REALM:+@$KRB5REALM}" 2> /dev/null && success
		echo
	    fi
	fi
	echo -n $"Starting $prog: "
	daemon ${kadmind} ${KRB5REALM:+-r ${KRB5REALM}} $KADMIND_ARGS
	RETVAL=$?
	echo
	[ $RETVAL = 0 ] && touch /var/lock/subsys/kadmin
}
stop() {
	echo -n $"Stopping $prog: "
	killproc ${kadmind}
	RETVAL=$?
	echo
	[ $RETVAL = 0 ] && rm -f /var/lock/subsys/kadmin
}
reload() {
	echo -n $"Reopening $prog log file: "
	killproc ${kadmind} -HUP
	RETVAL=$?
	echo
}

# See how we were called.
case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  restart)
	stop
	start
	;;
  status)
	status ${kadmind}
	RETVAL=$?
	;;
  reload)
	reload
	;;
  condrestart)
	if [ -f /var/lock/subsys/kadmin ] ; then
		stop
		start
	fi
	;;
  *)
	echo $"Usage: $0 {start|stop|status|condrestart|reload|restart}"
	RETVAL=1
	;;
esac

exit $RETVAL