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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/java/awt/dnd/RejectDragTest.java
+++ b/test/jdk/java/awt/dnd/RejectDragTest.java
@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2002, 2024, 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.
+ */
+
+import java.awt.EventQueue;
+import java.awt.Frame;
+import java.awt.Point;
+import java.awt.Robot;
+import java.awt.datatransfer.StringSelection;
+import java.awt.dnd.DnDConstants;
+import java.awt.dnd.DragGestureListener;
+import java.awt.dnd.DragSource;
+import java.awt.dnd.DragSourceAdapter;
+import java.awt.dnd.DragSourceDragEvent;
+import java.awt.dnd.DragSourceDropEvent;
+import java.awt.dnd.DragSourceEvent;
+import java.awt.dnd.DragSourceListener;
+import java.awt.dnd.DropTarget;
+import java.awt.dnd.DropTargetAdapter;
+import java.awt.dnd.DropTargetDragEvent;
+import java.awt.dnd.DropTargetDropEvent;
+import java.awt.event.InputEvent;
+
+/*
+ * @test
+ * @key headful
+ * @bug 4407521
+ * @summary Tests that DragSourceListener.dragEnter() and
+            DragSourceListener.dragOver() are not called after
+            drag rejecting, but DragSourceListener.dragExit() is.
+ */
+
+public class RejectDragTest {
+    private static Frame frame;
+    private static Robot robot;
+    private static volatile boolean dragEnterCalled;
+    private static volatile boolean dragOverCalled;
+    private static volatile boolean dragExitCalledAtFirst;
+    private static volatile Point startPoint;
+    private static volatile Point endPoint;
+
+    public static void main(String[] args) throws Exception {
+        try {
+            robot = new Robot();
+
+            EventQueue.invokeAndWait(RejectDragTest::createAndShowUI);
+            robot.waitForIdle();
+            robot.delay(1000);
+
+            EventQueue.invokeAndWait(RejectDragTest::addDnDListeners);
+            robot.waitForIdle();
+
+            testDnD();
+            robot.waitForIdle();
+            robot.delay(200);
+        } finally {
+            EventQueue.invokeAndWait(() -> {
+                if (frame != null) {
+                    frame.dispose();
+                }
+            });
+        }
+    }
+
+    private static void addDnDListeners() {
+        final DragSourceListener dragSourceListener = new DragSourceAdapter() {
+            private boolean first = true;
+
+            public void dragEnter(DragSourceDragEvent dsde) {
+                first = false;
+                dragEnterCalled = true;
+            }
+
+            public void dragExit(DragSourceEvent dse) {
+                if (first) {
+                    dragExitCalledAtFirst = true;
+                    first = false;
+                }
+            }
+
+            public void dragDropEnd(DragSourceDropEvent dsde) {
+                first = false;
+            }
+
+            public void dragOver(DragSourceDragEvent dsde) {
+                first = false;
+                dragOverCalled = true;
+            }
+
+            public void dropActionChanged(DragSourceDragEvent dsde) {
+                first = false;
+            }
+        };
+
+        DragGestureListener dragGestureListener =
+                dge -> dge.startDrag(null, new StringSelection("OKAY"),
+                                     dragSourceListener);
+        new DragSource().createDefaultDragGestureRecognizer(frame,
+                                                            DnDConstants.ACTION_COPY,
+                                                            dragGestureListener);
+
+        DropTargetAdapter dropTargetListener = new DropTargetAdapter() {
+            public void dragEnter(DropTargetDragEvent dtde) {
+               dtde.rejectDrag();
+            }
+
+            public void drop(DropTargetDropEvent dtde) {
+               dtde.rejectDrop();
+            }
+        };
+
+        new DropTarget(frame, dropTargetListener);
+    }
+
+    private static void createAndShowUI() {
+        frame = new Frame("RejectDragTest");
+        frame.setSize(200, 200);
+        frame.setLocationRelativeTo(null);
+        frame.setVisible(true);
+    }
+
+    private static void testDnD() throws Exception {
+        EventQueue.invokeAndWait(() -> {
+            Point start = frame.getLocationOnScreen();
+            start.translate(50, 50);
+            startPoint = start;
+
+            Point end = new Point(start);
+            end.translate(150, 150);
+            endPoint = end;
+        });
+
+        robot.mouseMove(startPoint.x, startPoint.y);
+        robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+        for (Point p = new Point(startPoint); !p.equals(endPoint);
+             p.translate(sign(endPoint.x - p.x),
+                         sign(endPoint.y - p.y))) {
+            robot.mouseMove(p.x, p.y);
+            robot.delay(30);
+        }
+        robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+
+        if (dragEnterCalled || dragOverCalled) {
+            throw new RuntimeException("Test failed: " +
+                                       (dragEnterCalled ? "DragSourceListener.dragEnter() was called; " : "") +
+                                       (dragOverCalled ? "DragSourceListener.dragOver() was called; " : "") +
+                                       (!dragExitCalledAtFirst ? "DragSourceListener.dragExit() was not " +
+                                                                 "called immediately after rejectDrag() " : ""));
+        }
+    }
+
+    public static int sign(int n) {
+        return Integer.compare(n, 0);
+    }
+}