org.globus.gsi.gssapi.auth
Class HostAuthorization

java.lang.Object
  org.globus.gsi.gssapi.auth.Authorization
      org.globus.gsi.gssapi.auth.GSSAuthorization
          org.globus.gsi.gssapi.auth.HostAuthorization

public class HostAuthorization

extends GSSAuthorization

Implements a simple host authorization mechanism. The peer's host name (in FQDN form) is compared with the host name specified in the peer's certificate chain.

Field Summary

static HostAuthorization

ldapAuthorization

Constructor Summary

HostAuthorization(String service)

Method Summary

void	authorize(GSSContext context, String host) Performs host authentication.
GSSName	getExpectedName(GSSCredential cred, String host) Returns expected GSSName used for authorization purposes.
static HostAuthorization	getInstance() Returns an instance of host authentication.

Methods inherited from class org.globus.gsi.gssapi.auth.Authorization

generateAuthorizationException

Methods inherited from class java.lang.Object

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

Field Detail

ldapAuthorization

public static final HostAuthorization ldapAuthorization

Constructor Detail

HostAuthorization

public HostAuthorization(String service)

Method Detail

getInstance

public static HostAuthorization getInstance()

Returns an instance of host authentication.

Returns:

an instance of this class initialized with host as a service.

getExpectedName

public GSSName getExpectedName(GSSCredential cred,
                               String host)
                        throws GSSException

Description copied from class: GSSAuthorization

Returns expected GSSName used for authorization purposes. Can returns null for self authorization.

Specified by:

getExpectedName in class GSSAuthorization

Parameters:

cred - credentials used

host - host address of the peer.

Throws:

GSSException - if unable to create the name.

authorize

public void authorize(GSSContext context,
                      String host)
               throws AuthorizationException

Performs host authentication. The hostname of the peer is compared with the hostname specified in the peer's (topmost) certificate in the certificate chain. The hostnames must match exactly (in case-insensitive way)

Specified by:

authorize in class Authorization

Parameters:

context - the security context

host - host address of the peer.

Throws:

AuthorizationException - if the hostnames do not match.