ajanta.server
Class NRAccess

java.lang.Object
  |
  +--ajanta.server.NRAccess

public class NRAccess

extends java.lang.Object

Client side module to access Name Registry. All these client side call are same as name registry interface, except tickets are handled by this module This class syncronizesz all call to the name registry

Constructor Summary

NRAccess(ajanta.naming.URN serverURN, java.security.PrivateKey dsa_p, java.lang.String nameregURL)
constructor

Method Summary

ajanta.util.Ticket	authenticate(ajanta.naming.URN caller, int nonce, ajanta.util.ContextObject context) gets the initial ticket from name registry
void	bind(ajanta.naming.URN urn, ajanta.naming.NREntry entry) Binds the URN with with the specified entry
java.security.cert.X509Certificate	getCertificate(ajanta.naming.URN urn)
java.net.URL	getCodeBaseURL(ajanta.naming.URN urn) returns the code base location of an agent server.
java.security.PublicKey	getEncryptKey(ajanta.naming.URN urn) returns the public key encryption key pair
java.security.cert.X509Certificate	getNRCertificate()
java.net.URL	getURL(ajanta.naming.URN urn) Returs the first entry of the url list for this entry.
java.util.Vector	getURLs(ajanta.naming.URN urn) return the locations associated with this name
java.security.PublicKey	getVerifyKey(ajanta.naming.URN urn) returns the verification key for the signature key pair
ajanta.naming.NREntry	lookup(ajanta.naming.URN urn) Returns the NREntry object associated with the specified name in the registry.
void	rebind(ajanta.naming.URN urn, ajanta.naming.NREntry entry) Rebinds the URN with with the specified entry, replacing any existing binding,
void	rebind(ajanta.naming.URN urn, ajanta.naming.NREntry entry, ajanta.util.Ticket t) Used when a ticket is signed by other than the agent server, In this case pass the ticket
void	rebindAgentServer(ajanta.naming.URN ag, ajanta.naming.URN server) updates the agent server location for an agent entry.

Methods inherited from class java.lang.Object

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

Constructor Detail

NRAccess

public NRAccess(ajanta.naming.URN serverURN,
                java.security.PrivateKey dsa_p,
                java.lang.String nameregURL)

constructor

Parameters:

serverURN - - the server invoking the name registry api

dsa_p - - private key of the server for Ticket signature

nameregURL - - the name registry will be connected to

Method Detail

authenticate

public ajanta.util.Ticket authenticate(ajanta.naming.URN caller,
                                       int nonce,
                                       ajanta.util.ContextObject context)
                                throws java.rmi.RemoteException

gets the initial ticket from name registry

Parameters:

caller - - client urn

nonce - - challenge

Returns:

a Ticket from server, which contatins the nonce signed by the name registry

java.rmi.RemoteException

bind

public void bind(ajanta.naming.URN urn,
                 ajanta.naming.NREntry entry)
          throws java.rmi.AlreadyBoundException,
                 java.rmi.RemoteException

Binds the URN with with the specified entry

Throws:

java.rmi.AlreadyBoundException - If name is already bound.

java.rmi.RemoteException - If remote operation failed

rebind

public void rebind(ajanta.naming.URN urn,
                   ajanta.naming.NREntry entry,
                   ajanta.util.Ticket t)
            throws java.rmi.RemoteException

Used when a ticket is signed by other than the agent server, In this case pass the ticket

java.rmi.RemoteException

rebind

public void rebind(ajanta.naming.URN urn,
                   ajanta.naming.NREntry entry)
            throws java.rmi.RemoteException

Rebinds the URN with with the specified entry, replacing any existing binding,

Throws:

java.rmi.RemoteException - If remote operation failed

rebindAgentServer

public void rebindAgentServer(ajanta.naming.URN ag,
                              ajanta.naming.URN server)
                       throws java.rmi.RemoteException

updates the agent server location for an agent entry.

Parameters:

ag - - agent name

server - - the new agentserver location

java.rmi.RemoteException

getURLs

public java.util.Vector getURLs(ajanta.naming.URN urn)
                         throws java.rmi.RemoteException

return the locations associated with this name

java.rmi.RemoteException

getURL

public java.net.URL getURL(ajanta.naming.URN urn)
                    throws java.rmi.RemoteException

Returs the first entry of the url list for this entry. Most of the cases it is the only entry

java.rmi.RemoteException

getCodeBaseURL

public java.net.URL getCodeBaseURL(ajanta.naming.URN urn)
                            throws java.rmi.RemoteException

returns the code base location of an agent server. if the entry is not an agent server entry, throws a remote exception

java.rmi.RemoteException

getVerifyKey

public java.security.PublicKey getVerifyKey(ajanta.naming.URN urn)
                                     throws java.rmi.RemoteException

returns the verification key for the signature key pair

java.rmi.RemoteException

getEncryptKey

public java.security.PublicKey getEncryptKey(ajanta.naming.URN urn)
                                      throws java.rmi.RemoteException

returns the public key encryption key pair

java.rmi.RemoteException

lookup

public ajanta.naming.NREntry lookup(ajanta.naming.URN urn)
                             throws java.rmi.RemoteException

Returns the NREntry object associated with the specified name in the registry.

Parameters:

urn - - the name of the entry

java.rmi.RemoteException

getCertificate

public java.security.cert.X509Certificate getCertificate(ajanta.naming.URN urn)
                                                  throws java.rmi.RemoteException

Parameters:

urn - URN of entity whose certificate is being requested

Returns:

X509 certificate

java.rmi.RemoteException

getNRCertificate

public java.security.cert.X509Certificate getNRCertificate()
                                                    throws java.rmi.RemoteException

java.rmi.RemoteException