net.jini.jeri.kerberos

Class KerberosUtil.Connection

java.lang.Object

net.jini.jeri.kerberos.KerberosUtil.Connection

Direct Known Subclasses:

KerberosEndpoint.ConnectionImpl, KerberosServerEndpoint.ServerConnectionImpl

Enclosing class:

KerberosUtil

static class KerberosUtil.Connection
extends Object

Connection class serves as the parent of connection classes defined in both client and server end point classes.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) KerberosPrincipal	clientPrincipal client principal of this connection
protected Logger	connectionLogger logger of the connection
protected DataInputStream	dis Input stream provided by the underlying socket
protected boolean	doDelegation If this field is set to true, the initiator's credentials will be delegated to the acceptor during GSS context establishment.
protected boolean	doEncryption Boolean to indicate whether traffic will be encrypted
protected DataOutputStream	dos Output stream provided by the underlying socket
protected GSSContext	gssContext GSSContext instance used by this connection, it is initialized in child class
protected static int	INTEGRITY_QOP
protected static int	PRIVACY_QOP
protected Socket	sock TCP socket used by this connection

Constructor Summary

Constructors

Constructor and Description
KerberosUtil.Connection(Socket sock) Construct a connection object.

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Close the connection
(package private) void	flush() Flush the output stream used for send.
(package private) byte[]	read() Block until a complete GSS token has been received, unwrap it, and return its content.
(package private) void	write(byte[] buf, int offset, int len) Wrap the content of the buffer into a GSS token and write it out to the underlying socket.

Methods inherited from class java.lang.Object

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

Field Detail

INTEGRITY_QOP

protected static final int INTEGRITY_QOP

See Also:

Constant Field Values

PRIVACY_QOP

protected static final int PRIVACY_QOP

See Also:

Constant Field Values

sock

protected final Socket sock

TCP socket used by this connection

dis

protected DataInputStream dis

Input stream provided by the underlying socket

dos

protected DataOutputStream dos

Output stream provided by the underlying socket

clientPrincipal

KerberosPrincipal clientPrincipal

client principal of this connection

gssContext

protected GSSContext gssContext

GSSContext instance used by this connection, it is initialized in child class

doEncryption

protected boolean doEncryption

Boolean to indicate whether traffic will be encrypted

doDelegation

protected boolean doDelegation

If this field is set to true, the initiator's credentials will be delegated to the acceptor during GSS context establishment.

connectionLogger

protected Logger connectionLogger

logger of the connection

Constructor Detail

KerberosUtil.Connection

KerberosUtil.Connection(Socket sock)
                  throws IOException

Construct a connection object.

Parameters:

sock - underlying socket used by this connection

Throws:

IOException

Method Detail

close

public void close()

Close the connection

write

void write(byte[] buf,
         int offset,
         int len)
     throws IOException

Wrap the content of the buffer into a GSS token and write it out to the underlying socket.

Parameters:

buf - the buffer whose content will be send out

offset - offset marks the start of the content to be sent out

len - number of bytes to be sent out

Throws:

IOException - if problems encountered

flush

void flush()
     throws IOException

Flush the output stream used for send.

Throws:

IOException

read

byte[] read()
      throws IOException

Block until a complete GSS token has been received, unwrap it, and return its content.

Returns:

byte array of the unwrapped GSS token

Throws:

IOException - if problems encountered