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 import sun.security.jgss.GSSCredentialImpl; 30 31 /** 32 * The extended GSSCredential interface for supporting additional 33 * functionalities not defined by {@code org.ietf.jgss.GSSCredential}. 34 * @since 1.8 35 */ 36 public interface ExtendedGSSCredential extends GSSCredential { 37 38 static class ExtendedGSSCredentialImpl extends GSSCredentialImpl 39 implements ExtendedGSSCredential { 40 41 public ExtendedGSSCredentialImpl(GSSCredentialImpl old) { 42 super(old); 43 } 44 } 45 46 /** 47 * Impersonates a principal. In Kerberos, this can be implemented 48 * using the Microsoft S4U2self extension. 49 * <p> 50 * A {@link GSSException#NO_CRED GSSException.NO_CRED} will be thrown if the 51 * impersonation fails. A {@link GSSException#FAILURE GSSException.FAILURE} 52 * will be thrown if the impersonation method is not available to this 53 * credential object. 54 * @param name the name of the principal to impersonate 55 * @return a credential for that principal 56 * @throws GSSException containing the following 57 * major error codes: 58 * {@link GSSException#NO_CRED GSSException.NO_CRED} 59 * {@link GSSException#FAILURE GSSException.FAILURE} 60 */ 61 public GSSCredential impersonate(GSSName name) throws GSSException; 62 }