undefect. CWE-407 — 63 sites patched across 27 ecosystems
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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/*
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* Copyright (c) 2014, 2024, 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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@key headful
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@bug 4658741
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@summary verifies that getDropSuccess() returns correct value for inter-JVM DnD
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@run main InterJVMGetDropSuccessTest
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*/
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import java.awt.AWTEvent;
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import java.awt.Component;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.Point;
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import java.awt.Robot;
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import java.awt.Toolkit;
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import java.awt.datatransfer.StringSelection;
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import java.awt.datatransfer.Transferable;
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import java.awt.dnd.DnDConstants;
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import java.awt.dnd.DragGestureEvent;
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import java.awt.dnd.DragGestureListener;
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import java.awt.dnd.DragGestureRecognizer;
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import java.awt.dnd.DragSource;
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import java.awt.dnd.DragSourceAdapter;
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import java.awt.dnd.DragSourceDropEvent;
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import java.awt.dnd.DropTarget;
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import java.awt.dnd.DropTargetAdapter;
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import java.awt.dnd.DropTargetDropEvent;
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import java.awt.dnd.DropTargetListener;
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import java.awt.event.AWTEventListener;
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import java.awt.event.InputEvent;
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import java.awt.event.MouseEvent;
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import java.io.File;
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import java.io.InputStream;
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public class InterJVMGetDropSuccessTest {
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private int returnCode = Util.CODE_NOT_RETURNED;
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private final boolean[] successCodes = { true, false };
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private int dropCount = 0;
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final Frame frame = new Frame("Target Frame");
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final DropTargetListener dropTargetListener = new DropTargetAdapter() {
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public void drop(DropTargetDropEvent dtde) {
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dtde.acceptDrop(DnDConstants.ACTION_COPY);
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dtde.dropComplete(successCodes[dropCount]);
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dropCount++;
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}
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};
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final DropTarget dropTarget = new DropTarget(frame, dropTargetListener);
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public static void main(final String[] args) {
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InterJVMGetDropSuccessTest app = new InterJVMGetDropSuccessTest();
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app.init();
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app.start();
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}
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public void init() {
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frame.setTitle("Test frame");
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frame.setBounds(100, 100, 150, 150);
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} // init()
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public void start() {
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frame.setVisible(true);
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try {
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Robot robot = new Robot();
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robot.waitForIdle();
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robot.delay(Util.FRAME_ACTIVATION_TIMEOUT);
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Point p = frame.getLocationOnScreen();
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Dimension d = frame.getSize();
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String javaPath = System.getProperty("java.home", "");
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String command = javaPath + File.separator + "bin" +
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File.separator + "java -cp " + System.getProperty("test.classes", ".") +
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" Child " +
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p.x + " " + p.y + " " + d.width + " " + d.height;
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Process process = Runtime.getRuntime().exec(command);
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returnCode = process.waitFor();
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InputStream errorStream = process.getErrorStream();
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int count = errorStream.available();
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if (count > 0) {
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byte[] b = new byte[count];
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errorStream.read(b);
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System.err.println("========= Child VM System.err ========");
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System.err.print(new String(b));
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System.err.println("======================================");
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}
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InputStream outputStream = process.getInputStream();
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count = outputStream.available();
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if (count > 0) {
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byte[] b = new byte[count];
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outputStream.read(b);
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System.err.println("========= Child VM System.out ========");
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System.err.print(new String(b));
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System.err.println("======================================");
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}
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} catch (Throwable e) {
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e.printStackTrace();
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throw new RuntimeException(e);
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}
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switch (returnCode) {
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case Util.CODE_NOT_RETURNED:
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throw new RuntimeException("Child VM: failed to start");
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case Util.CODE_FAILURE:
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throw new RuntimeException("Child VM: abnormal termination");
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default:
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if (dropCount == 2) {
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int expectedRetCode = 0;
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if (successCodes[0]) {
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expectedRetCode |= Util.CODE_FIRST_SUCCESS;
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}
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if (successCodes[1]) {
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expectedRetCode |= Util.CODE_SECOND_SUCCESS;
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}
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if (expectedRetCode != returnCode) {
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throw new RuntimeException("The test failed. Expected:" +
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expectedRetCode + ". Returned:" +
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returnCode);
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}
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}
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break;
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}
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} // start()
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} // class InterJVMGetDropSuccessTest
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final class Util implements AWTEventListener {
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public static final int CODE_NOT_RETURNED = -1;
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public static final int CODE_FIRST_SUCCESS = 0x2;
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public static final int CODE_SECOND_SUCCESS = 0x2;
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public static final int CODE_FAILURE = 0x1;
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public static final int FRAME_ACTIVATION_TIMEOUT = 1000;
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static final Object SYNC_LOCK = new Object();
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static final Util theInstance = new Util();
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static {
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Toolkit.getDefaultToolkit().addAWTEventListener(theInstance, AWTEvent.MOUSE_EVENT_MASK);
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}
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public static Point getCenterLocationOnScreen(Component c) {
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Point p = c.getLocationOnScreen();
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Dimension d = c.getSize();
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p.translate(d.width / 2, d.height / 2);
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return p;
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}
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public static int sign(int n) {
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return n < 0 ? -1 : n == 0 ? 0 : 1;
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}
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public void eventDispatched(AWTEvent e) {
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if (e.getID() == MouseEvent.MOUSE_RELEASED) {
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synchronized (SYNC_LOCK) {
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SYNC_LOCK.notifyAll();
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}
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}
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}
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}
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class Child {
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static class DragSourceDropListener extends DragSourceAdapter {
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private boolean finished = false;
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private boolean dropSuccess = false;
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public void reset() {
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finished = false;
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dropSuccess = false;
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}
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public boolean isDropFinished() {
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return finished;
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}
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public boolean getDropSuccess() {
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return dropSuccess;
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}
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public void dragDropEnd(DragSourceDropEvent dsde) {
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finished = true;
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dropSuccess = dsde.getDropSuccess();
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synchronized (Util.SYNC_LOCK) {
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Util.SYNC_LOCK.notifyAll();
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}
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}
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}
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private volatile boolean success1 = false;
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private volatile boolean success2 = false;
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final Frame frame = new Frame("Source Frame");
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final DragSource dragSource = DragSource.getDefaultDragSource();
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final DragSourceDropListener dragSourceListener = new DragSourceDropListener();
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final Transferable transferable = new StringSelection("TEXT");
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final DragGestureListener dragGestureListener = new DragGestureListener() {
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public void dragGestureRecognized(DragGestureEvent dge) {
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dge.startDrag(null, transferable, dragSourceListener);
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}
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};
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final DragGestureRecognizer dragGestureRecognizer =
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dragSource.createDefaultDragGestureRecognizer(frame, DnDConstants.ACTION_COPY,
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dragGestureListener);
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public static void main(String[] args) {
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Child child = new Child();
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child.run(args);
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}
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public void run(String[] args) {
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try {
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if (args.length != 4) {
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throw new RuntimeException("Incorrect command line arguments.");
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}
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int x = Integer.parseInt(args[0]);
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int y = Integer.parseInt(args[1]);
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int w = Integer.parseInt(args[2]);
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int h = Integer.parseInt(args[3]);
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frame.setBounds(300, 200, 150, 150);
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frame.setVisible(true);
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Robot robot = new Robot();
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robot.waitForIdle();
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robot.delay(Util.FRAME_ACTIVATION_TIMEOUT);
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Point sourcePoint = Util.getCenterLocationOnScreen(frame);
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Point targetPoint = new Point(x + w / 2, y + h / 2);
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robot.mouseMove(sourcePoint.x, sourcePoint.y);
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robot.waitForIdle();
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robot.delay(50);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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for (Point p = new Point(sourcePoint); !p.equals(targetPoint);
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p.translate(Util.sign(targetPoint.x - p.x),
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Util.sign(targetPoint.y - p.y))) {
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robot.mouseMove(p.x, p.y);
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robot.delay(5);
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}
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synchronized (Util.SYNC_LOCK) {
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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Util.SYNC_LOCK.wait(Util.FRAME_ACTIVATION_TIMEOUT);
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}
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EventQueue.invokeAndWait(() -> {
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if (!dragSourceListener.isDropFinished()) {
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throw new RuntimeException("Drop not finished");
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}
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success1 = dragSourceListener.getDropSuccess();
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dragSourceListener.reset();
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});
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robot.mouseMove(sourcePoint.x, sourcePoint.y);
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robot.waitForIdle();
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robot.delay(50);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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for (Point p = new Point(sourcePoint); !p.equals(targetPoint);
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p.translate(Util.sign(targetPoint.x - p.x),
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Util.sign(targetPoint.y - p.y))) {
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robot.mouseMove(p.x, p.y);
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robot.delay(5);
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}
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synchronized (Util.SYNC_LOCK) {
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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Util.SYNC_LOCK.wait(Util.FRAME_ACTIVATION_TIMEOUT);
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}
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EventQueue.invokeAndWait(() -> {
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if (!dragSourceListener.isDropFinished()) {
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throw new RuntimeException("Drop not finished");
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}
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success2 = dragSourceListener.getDropSuccess();
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dragSourceListener.reset();
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});
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int retCode = 0;
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if (success1) {
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retCode |= Util.CODE_FIRST_SUCCESS;
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}
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if (success2) {
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retCode |= Util.CODE_SECOND_SUCCESS;
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}
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// This returns the diagnostic code from the child VM
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System.exit(retCode);
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} catch (Throwable e) {
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e.printStackTrace();
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// This returns the diagnostic code from the child VM
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System.exit(Util.CODE_FAILURE);
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}
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} // run()
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} // class child
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