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.

test/jdk/java/awt/image/mlib/MlibOpsTest.java

@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2007, 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.
+ */
+
+/*
+ * @test
+ * @bug     6556332 8011992 8012112
+ * @summary Test verifies that on-demand loading of medialib library does
+ *          not break imaging ops based on this library.
+ * @modules java.desktop/sun.awt.image
+ * @run     main MlibOpsTest
+ */
+
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.RadialGradientPaint;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Point2D;
+import java.awt.image.AffineTransformOp;
+import java.awt.image.BufferedImage;
+import java.awt.image.BufferedImageOp;
+import java.awt.image.ByteLookupTable;
+import java.awt.image.ConvolveOp;
+import java.awt.image.Kernel;
+import java.awt.image.LookupOp;
+import java.util.Arrays;
+
+import sun.awt.image.ImagingLib;
+
+public class MlibOpsTest {
+
+    public static void main(String[] args) {
+        System.out.println("AffineTransformOp:");
+        BufferedImageOp op = getAffineTransformOp();
+        doTest(op);
+
+        System.out.println("ConvolveOp:");
+        op = getConvolveOp();
+        doTest(op);
+
+        System.out.println("LookupOp:");
+        op = getLookupOp();
+        doTest(op);
+    }
+
+    public static void doTest(BufferedImageOp op) {
+        BufferedImage src = createSrcImage();
+        BufferedImage dst = createImage();
+        BufferedImage ret = null;
+        try {
+            ret = ImagingLib.filter(op, src, dst);
+        } catch (Exception e) {
+            throw new RuntimeException("Test FAILED.", e);
+        }
+        if (ret == null) {
+            throw new RuntimeException("Test FAILED: null output");
+        }
+
+        System.out.println("ret: " + ret);
+        System.out.println("Test PASSED for " + op.getClass().getName());
+    }
+
+    private static BufferedImageOp getAffineTransformOp() {
+        AffineTransform at = new AffineTransform();
+       return new AffineTransformOp(at,
+                                    AffineTransformOp.TYPE_BICUBIC);
+    }
+
+    private static BufferedImageOp getConvolveOp() {
+        int kw = 3;
+        int kh = 3;
+        int size = kw * kh;
+        float[] kdata = new float[size];
+        Arrays.fill(kdata, 1.0f / size);
+
+        Kernel k  = new Kernel(kw, kh, kdata);
+        return new ConvolveOp(k);
+    }
+
+    private static BufferedImageOp getLookupOp() {
+        byte[] inv = new byte[256];
+        for (int i = 0; i < 256; i++) {
+            inv[i] = (byte)(255 - i);
+        }
+        ByteLookupTable table = new ByteLookupTable(0, inv);
+        return new LookupOp(table, null);
+    }
+
+
+    private static int w = 100;
+    private static int h = 100;
+
+    private static BufferedImage createImage() {
+        return new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
+    }
+
+    private static BufferedImage createSrcImage() {
+        BufferedImage img = createImage();
+
+        Graphics2D g = img.createGraphics();
+        Color[] colors = { Color.red, Color.green, Color.blue };
+        float[] dist = {0.0f, 0.5f, 1.0f };
+        Point2D center = new Point2D.Float(0.5f * w, 0.5f * h);
+
+        RadialGradientPaint p =
+                new RadialGradientPaint(center, 0.5f * w, dist, colors);
+        g.setPaint(p);
+        g.fillRect(0, 0, w, h);
+        g.dispose();
+
+        return img;
+    }
+}