150 lines
4.8 KiB
Java
150 lines
4.8 KiB
Java
/*
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* Copyright (c) 2019, 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 6682540
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* @summary Incorrect SASL DIGEST-MD5 behavior
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*/
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import javax.security.auth.callback.CallbackHandler;
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import javax.security.sasl.Sasl;
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import javax.security.sasl.SaslClient;
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import javax.security.sasl.SaslException;
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import javax.security.sasl.SaslServer;
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import java.nio.charset.StandardCharsets;
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public class HasInitialResponse {
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private static final String MECH = "DIGEST-MD5";
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private static final String SERVER_FQDN = "machineX.imc.org";
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private static final String PROTOCOL = "jmx";
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private static final byte[] EMPTY = new byte[0];
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public static void main(String[] args) throws Exception {
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CallbackHandler clntCbh = new ClientCallbackHandler(true);
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CallbackHandler srvCbh = new PropertiesFileCallbackHandler(
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"pw.properties", "names.properties", null);
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// Get an existing SaslClient as base of our own client
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SaslClient base = Sasl.createSaslClient(
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new String[]{MECH}, null, PROTOCOL, SERVER_FQDN,
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null, clntCbh);
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// Our own client that has initial response
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SaslClient clnt = new MyDigestMD5Client(base);
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SaslServer srv = Sasl.createSaslServer(MECH, PROTOCOL, SERVER_FQDN,
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null, srvCbh);
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// The usual loop
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byte[] response = clnt.hasInitialResponse()
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? clnt.evaluateChallenge(EMPTY) : EMPTY;
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byte[] challenge;
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while (!clnt.isComplete() || !srv.isComplete()) {
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challenge = srv.evaluateResponse(response);
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if (challenge != null) {
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response = clnt.evaluateChallenge(challenge);
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}
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}
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if (clnt.isComplete() && srv.isComplete()) {
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System.out.println("SUCCESS");
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System.out.println("authzid is " + srv.getAuthorizationID());
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} else {
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throw new IllegalStateException(
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"FAILURE: mismatched state:" +
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" client complete? " + clnt.isComplete() +
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" server complete? " + srv.isComplete());
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}
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clnt.dispose();
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srv.dispose();
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}
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public static class MyDigestMD5Client implements SaslClient {
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final SaslClient base;
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boolean first = true;
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public MyDigestMD5Client(SaslClient base) {
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this.base = base;
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}
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@Override
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public String getMechanismName() {
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return base.getMechanismName();
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}
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@Override
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public boolean hasInitialResponse() {
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return true; // I have initial response
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}
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@Override
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public byte[] evaluateChallenge(byte[] challenge) throws SaslException {
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if (first) {
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first = false;
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if (challenge.length == 0) {
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return "hello".getBytes(StandardCharsets.UTF_8);
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} else {
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throw new SaslException("Non-empty challenge");
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}
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} else {
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return base.evaluateChallenge(challenge);
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}
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}
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@Override
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public boolean isComplete() {
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return base.isComplete();
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}
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@Override
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public byte[] unwrap(byte[] incoming, int offset, int len)
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throws SaslException {
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return base.unwrap(incoming, offset, len);
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}
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@Override
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public byte[] wrap(byte[] outgoing, int offset, int len)
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throws SaslException {
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return base.wrap(outgoing, offset, len);
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}
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@Override
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public Object getNegotiatedProperty(String propName) {
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return base.getNegotiatedProperty(propName);
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}
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@Override
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public void dispose() throws SaslException {
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base.dispose();
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}
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}
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}
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