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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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test/jdk/java/rmi/server/RemoteObject/verifyRemoteEquals/VerifyRemoteEquals.java Normal file
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/*
* Copyright (c) 1999, 2012, 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 4251010
* @summary equals does not works on stub objects created with
* custom socket AndFactory
* @author Laird Dornin
*
* @library ../../../testlibrary
* @modules java.rmi/sun.rmi.registry
* java.rmi/sun.rmi.server
* java.rmi/sun.rmi.transport
* java.rmi/sun.rmi.transport.tcp
* @build TestLibrary
* @run main/othervm/timeout=40 VerifyRemoteEquals
*/
import java.io.*;
import java.net.*;
import java.rmi.*;
import java.rmi.server.*;
/**
* Test ensures that a stub that has never been serialized and one
* that has can be .equals(). Test also ensures that stubs with
* custom socket factories can be .equals() with equivalent stubs.
*/
public class VerifyRemoteEquals {
/**
* Remote interface.
*/
public interface Test extends Remote {
}
/**
* Implementation of Remote interface passing custom socket
* factories
*/
public static final class TestImpl
extends UnicastRemoteObject implements Test
{
public TestImpl() throws RemoteException {
super();
}
public TestImpl(RMIClientSocketFactory clientFactory,
RMIServerSocketFactory serverFactory)
throws RemoteException
{
super(0, clientFactory, serverFactory);
}
public TestImpl(RMISocketFactory factory)
throws RemoteException
{
super(0, factory, factory);
}
}
/**
* Remote interface for retrieving Test object.
*/
public interface TestHome extends Remote {
public Test get() throws RemoteException;
}
/**
* Implementation of interface TestHome.
*/
public static final class TestHomeImpl
extends UnicastRemoteObject implements TestHome
{
private Test test;
public TestHomeImpl(Test test)
throws RemoteException {
super();
this.test = test;
}
public Test get() {
return test;
}
}
/**
* Custom server socket factory.
*/
public static final class ServerSocketAndFactory
extends ServerSocket implements RMIServerSocketFactory, Serializable
{
ServerSocketAndFactory() throws IOException, java.net.UnknownHostException {
// I am forced to do something useless with the parent
// constructor
super(0);
}
ServerSocketAndFactory(int port) throws IOException,
java.net.UnknownHostException
{
super(port);
}
public ServerSocket createServerSocket(int port)
throws IOException
{
return new ServerSocketAndFactory(port);
}
public int hashCode() {
return getLocalPort();
}
public boolean equals(Object obj) {
if (obj instanceof ServerSocketAndFactory) {
ServerSocketAndFactory ssf = (ServerSocketAndFactory) obj;
if (getLocalPort() == ssf.getLocalPort()) {
return true;
}
}
return false;
}
}
/**
* Custom socket factory.
*/
public static final class ClientSocketAndFactory
extends Socket implements RMIClientSocketFactory, Serializable
{
ClientSocketAndFactory() {
}
ClientSocketAndFactory(String host, int port) throws IOException {
super(host, port);
}
public Socket createSocket(String host, int port)
throws IOException {
return new ClientSocketAndFactory(host, port);
}
public int hashCode() {
return getPort();
}
public boolean equals(Object obj) {
if (obj instanceof ClientSocketAndFactory) {
ClientSocketAndFactory csf = (ClientSocketAndFactory) obj;
if (getPort() == csf.getPort()) {
return true;
}
}
return false;
}
}
public static void main(String[] args) {
try {
System.out.println("\n\nRegression test for, 4251010\n\n");
Test test = new TestImpl(new ClientSocketAndFactory(),
new ServerSocketAndFactory());
TestHome home = new TestHomeImpl(test);
Test test0 = ((Test) RemoteObject.toStub(test));
Test test1 = ((TestHome) RemoteObject.toStub(home)).get();
Test test2 = ((TestHome) RemoteObject.toStub(home)).get();
Test test3 = ((Test) (new MarshalledObject(test)).get());
if (test0.equals(test1)) {
System.out.println("test0, test1, stubs equal");
} else {
TestLibrary.bomb("test0, test1, stubs not equal");
}
if (test1.equals(test2)) {
System.out.println("test1, test2, stubs equal");
} else {
TestLibrary.bomb("test1, test2, stubs not equal");
}
// explicitly compare an unmarshalled object with toStub
// return
if (test2.equals(test3)) {
System.out.println("test2, test3, stubs equal");
} else {
TestLibrary.bomb("test2, test3, stubs not equal");
}
test0 = null;
test1 = null;
test2 = null;
test3 = null;
TestLibrary.unexport(test);
TestLibrary.unexport(home);
System.err.println("test passed: stubs were equal");
} catch (Exception e) {
TestLibrary.bomb("test got unexpected exception", e);
}
}
}