1 /*

     2  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package com.sun.security.jgss;

    27 

    28 import org.ietf.jgss.*;

    29 

    30 /**

    31  * The extended GSSCredential interface for supporting additional

    32  * functionalities not defined by {@code org.ietf.jgss.GSSCredential}.

    33  * @since 1.8

    34  */

    35 @jdk.Exported

    36 public interface ExtendedGSSCredential extends GSSCredential {

    37     /**

    38      * Impersonates a principal. In Kerberos, this can be implemented

    39      * using the Microsoft S4U2self extension.

    40      * <p>

    41      * A {@link GSSException#NO_CRED GSSException.NO_CRED} will be thrown if the

    42      * impersonation fails. A {@link GSSException#FAILURE GSSException.FAILURE}

    43      * will be  thrown if the impersonation method is not available to this

    44      * credential object.

    45      * @param name the name of the principal to impersonate

    46      * @return a credential for that principal

    47      * @throws GSSException  containing the following

    48      * major error codes:

    49      *   {@link GSSException#NO_CRED GSSException.NO_CRED}

    50      *   {@link GSSException#FAILURE GSSException.FAILURE}

    51      */

    52     public GSSCredential impersonate(GSSName name) throws GSSException;

    53 }