org.apache.directory.kerberos.client

Class KdcConnection

java.lang.Object

org.apache.directory.kerberos.client.KdcConnection

public class KdcConnection
extends java.lang.Object

A client to connect to kerberos servers using TCP or UDP transports.

Field Summary

Fields

Modifier and Type	Field and Description
private KerberosChannel	channel underlying network channel handler
private CipherTextHandler	cipherTextHandler the cipher text handler
private KdcConfig	config
private static org.slf4j.Logger	LOG
private java.security.SecureRandom	nonceGenerator a secure random number generator used for creating nonces
(package private) static java.lang.String	TIME_OUT_ERROR

Constructor Summary

Constructors

Constructor and Description
KdcConnection(KdcConfig config) Creates a new instance of KdcConnection.

Method Summary

Modifier and Type	Method and Description
(package private) TgTicket	_getTgt(TgtRequest clientTgtReq)
ChangePasswordResult	changePassword(java.lang.String clientPrincipal, java.lang.String oldPassword, java.lang.String newPassword)
private void	connect()
private KerberosTime	getDefaultTill()
private byte[]	getEncoded(org.apache.directory.api.asn1.Asn1Object obj)
private ServiceTicket	getServiceTicket(ServiceTicketRequest srvTktReq)
ServiceTicket	getServiceTicket(java.lang.String clientPrincipal, java.lang.String password, java.lang.String serverPrincipal) Authenticates to the Kerberos server and gets a service ticket for the given server principal
TgTicket	getTgt(java.lang.String principal, java.lang.String password) Authenticates to the Kerberos server and gets the initial Ticket Granting Ticket
TgTicket	getTgt(TgtRequest clientTgtReq)
private AbstractPasswordMessage	sendAndReceiveChngPwdMsg(AbstractPasswordMessage req, KerberosChannel chngPwdChannel)
private KerberosMessage	sendAndReceiveKrbMsg(KerberosMessage req)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG

private static final org.slf4j.Logger LOG

nonceGenerator

private java.security.SecureRandom nonceGenerator

a secure random number generator used for creating nonces

TIME_OUT_ERROR

static final java.lang.String TIME_OUT_ERROR

See Also:

Constant Field Values

cipherTextHandler

private CipherTextHandler cipherTextHandler

the cipher text handler

channel

private KerberosChannel channel

underlying network channel handler

config

private KdcConfig config

Constructor Detail

KdcConnection

public KdcConnection(KdcConfig config)

Creates a new instance of KdcConnection.

Parameters:

config - the configuration of KDC

Method Detail

connect

private void connect()
              throws java.io.IOException

Throws:

java.io.IOException

getTgt

public TgTicket getTgt(java.lang.String principal,
                       java.lang.String password)
                throws java.lang.Exception

Authenticates to the Kerberos server and gets the initial Ticket Granting Ticket

Parameters:

principal - the client's principal

password - password of the client

Returns:

Throws:

java.lang.Exception

getServiceTicket

public ServiceTicket getServiceTicket(java.lang.String clientPrincipal,
                                      java.lang.String password,
                                      java.lang.String serverPrincipal)
                               throws KerberosException

Authenticates to the Kerberos server and gets a service ticket for the given server principal

Parameters:

principal - the client's principal

password - password of the client

serverPrincipal - the application server's principal

Returns:

Throws:

java.lang.Exception

KerberosException

getTgt

public TgTicket getTgt(TgtRequest clientTgtReq)
                throws KerberosException

Throws:

KerberosException

_getTgt

TgTicket _getTgt(TgtRequest clientTgtReq)
          throws KerberosException

Throws:

KerberosException

getServiceTicket

private ServiceTicket getServiceTicket(ServiceTicketRequest srvTktReq)
                                throws KerberosException

Throws:

KerberosException

changePassword

public ChangePasswordResult changePassword(java.lang.String clientPrincipal,
                                           java.lang.String oldPassword,
                                           java.lang.String newPassword)
                                    throws ChangePasswordException

Throws:

ChangePasswordException

getEncoded

private byte[] getEncoded(org.apache.directory.api.asn1.Asn1Object obj)

getDefaultTill

private KerberosTime getDefaultTill()

sendAndReceiveKrbMsg

private KerberosMessage sendAndReceiveKrbMsg(KerberosMessage req)
                                      throws java.lang.Exception

Throws:

java.lang.Exception

sendAndReceiveChngPwdMsg

private AbstractPasswordMessage sendAndReceiveChngPwdMsg(AbstractPasswordMessage req,
                                                         KerberosChannel chngPwdChannel)
                                                  throws java.lang.Exception

Throws:

java.lang.Exception