| /* |
| * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8048194 |
| * @modules java.base/sun.security.util |
| * java.security.jgss/sun.security.jgss |
| * java.security.jgss/sun.security.jgss.spnego:+open |
| * @run main/othervm NotPreferredMech |
| * @summary GSSContext.acceptSecContext fails when a supported mech is not initiator preferred |
| */ |
| |
| import org.ietf.jgss.*; |
| import sun.security.jgss.*; |
| import sun.security.jgss.spnego.NegTokenInit; |
| import sun.security.jgss.spnego.NegTokenTarg; |
| import sun.security.util.BitArray; |
| import sun.security.util.DerOutputStream; |
| import sun.security.util.DerValue; |
| import sun.security.util.ObjectIdentifier; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.Method; |
| |
| public class NotPreferredMech { |
| |
| public static void main(String[] argv) throws Exception { |
| |
| // Generates a NegTokenInit mechTypes field, with an |
| // unsupported mech as the preferred. |
| DerOutputStream mech = new DerOutputStream(); |
| mech.write(new Oid("1.2.3.4").getDER()); |
| mech.write(GSSUtil.GSS_KRB5_MECH_OID.getDER()); |
| DerOutputStream mechTypeList = new DerOutputStream(); |
| mechTypeList.write(DerValue.tag_Sequence, mech); |
| |
| // Generates a NegTokenInit mechToken field for 1.2.3.4 mech |
| GSSHeader h1 = new GSSHeader(new ObjectIdentifier("1.2.3.4"), 1); |
| ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| h1.encode(bout); |
| bout.write(new byte[1]); |
| |
| // Generates the NegTokenInit token |
| Constructor<NegTokenInit> ctor = NegTokenInit.class.getDeclaredConstructor( |
| byte[].class, BitArray.class, byte[].class, byte[].class); |
| ctor.setAccessible(true); |
| NegTokenInit initToken = ctor.newInstance( |
| mechTypeList.toByteArray(), |
| new BitArray(0), |
| bout.toByteArray(), |
| null); |
| Method m = Class.forName("sun.security.jgss.spnego.SpNegoToken") |
| .getDeclaredMethod("getEncoded"); |
| m.setAccessible(true); |
| byte[] spnegoToken = (byte[])m.invoke(initToken); |
| |
| // and wraps it into a GSSToken |
| GSSHeader h = new GSSHeader( |
| new ObjectIdentifier(GSSUtil.GSS_SPNEGO_MECH_OID.toString()), |
| spnegoToken.length); |
| bout = new ByteArrayOutputStream(); |
| h.encode(bout); |
| bout.write(spnegoToken); |
| byte[] token = bout.toByteArray(); |
| |
| // and feeds it to a GSS acceptor |
| GSSManager man = GSSManager.getInstance(); |
| GSSContext ctxt = man.createContext((GSSCredential) null); |
| token = ctxt.acceptSecContext(token, 0, token.length); |
| NegTokenTarg targ = new NegTokenTarg(token); |
| |
| // Make sure it's a GO-ON message |
| Method m2 = NegTokenTarg.class.getDeclaredMethod("getNegotiatedResult"); |
| m2.setAccessible(true); |
| int negResult = (int)m2.invoke(targ); |
| |
| if (negResult != 1 /* ACCEPT_INCOMPLETE */) { |
| throw new Exception("Not a continue"); |
| } |
| } |
| } |