080b3b83eb
Use sun.security.util.KnownOIDs enum instead of hardcoding oid strings everywhere Reviewed-by: weijun
104 lines
4.0 KiB
Java
104 lines
4.0 KiB
Java
/*
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* Copyright (c) 2014, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8048194 8242151
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* @modules java.base/sun.security.util
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* java.security.jgss/sun.security.jgss
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* java.security.jgss/sun.security.jgss.spnego:+open
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* @run main/othervm NotPreferredMech
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* @summary GSSContext.acceptSecContext fails when a supported mech is not initiator preferred
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*/
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import org.ietf.jgss.*;
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import sun.security.jgss.*;
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import sun.security.jgss.spnego.NegTokenInit;
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import sun.security.jgss.spnego.NegTokenTarg;
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import sun.security.util.BitArray;
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import sun.security.util.DerOutputStream;
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import sun.security.util.DerValue;
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import sun.security.util.ObjectIdentifier;
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import java.io.ByteArrayOutputStream;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Method;
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public class NotPreferredMech {
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public static void main(String[] argv) throws Exception {
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// Generates a NegTokenInit mechTypes field, with an
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// unsupported mech as the preferred.
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DerOutputStream mech = new DerOutputStream();
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mech.write(new Oid("1.2.3.4").getDER());
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mech.write(GSSUtil.GSS_KRB5_MECH_OID.getDER());
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DerOutputStream mechTypeList = new DerOutputStream();
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mechTypeList.write(DerValue.tag_Sequence, mech);
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// Generates a NegTokenInit mechToken field for 1.2.3.4 mech
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GSSHeader h1 = new GSSHeader(ObjectIdentifier.of("1.2.3.4"), 1);
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ByteArrayOutputStream bout = new ByteArrayOutputStream();
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h1.encode(bout);
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bout.write(new byte[1]);
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// Generates the NegTokenInit token
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Constructor<NegTokenInit> ctor = NegTokenInit.class.getDeclaredConstructor(
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byte[].class, BitArray.class, byte[].class, byte[].class);
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ctor.setAccessible(true);
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NegTokenInit initToken = ctor.newInstance(
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mechTypeList.toByteArray(),
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new BitArray(0),
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bout.toByteArray(),
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null);
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Method m = Class.forName("sun.security.jgss.spnego.SpNegoToken")
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.getDeclaredMethod("getEncoded");
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m.setAccessible(true);
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byte[] spnegoToken = (byte[])m.invoke(initToken);
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// and wraps it into a GSSToken
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GSSHeader h = new GSSHeader(
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ObjectIdentifier.of(GSSUtil.GSS_SPNEGO_MECH_OID.toString()),
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spnegoToken.length);
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bout = new ByteArrayOutputStream();
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h.encode(bout);
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bout.write(spnegoToken);
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byte[] token = bout.toByteArray();
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// and feeds it to a GSS acceptor
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GSSManager man = GSSManager.getInstance();
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GSSContext ctxt = man.createContext((GSSCredential) null);
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token = ctxt.acceptSecContext(token, 0, token.length);
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NegTokenTarg targ = new NegTokenTarg(token);
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// Make sure it's a GO-ON message
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Method m2 = NegTokenTarg.class.getDeclaredMethod("getNegotiatedResult");
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m2.setAccessible(true);
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int negResult = (int)m2.invoke(targ);
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if (negResult != 1 /* ACCEPT_INCOMPLETE */) {
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throw new Exception("Not a continue");
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}
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}
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}
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