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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
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test/jdk/javax/imageio/plugins/bmp/Write3ByteBgrTest.java Normal file
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/*
* Copyright (c) 2003, 2017, 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 4892194 8014427
* @summary Test checks that we able to encode TYPE_3BYTE_BGR images to bmp
* format. Test failed if ArrayIndexOutOfBoundsException will be thrown
* or pixel colors will be changed by the writing/reading.
*/
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.color.ColorSpace;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.ComponentColorModel;
import java.awt.image.DataBuffer;
import java.awt.image.Raster;
import java.awt.image.WritableRaster;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriter;
import javax.imageio.stream.ImageOutputStream;
import javax.swing.JComponent;
import javax.swing.JFrame;
public class Write3ByteBgrTest {
private static int width = 100;
private static int height = 100;
private static Color color = new Color(0x10, 0x20, 0x30);
static int bufferedImageType[] = {
BufferedImage.TYPE_CUSTOM,
BufferedImage.TYPE_BYTE_BINARY,
BufferedImage.TYPE_3BYTE_BGR
};
static String bufferedImageStringType[] = {
"BufferedImage.TYPE_CUSTOM: test for BandedSampleModel",
"BufferedImage.TYPE_BYTE_BINARY",
"BufferedImage.TYPE_3BYTE_BGR"
};
private static String writingFormat = "BMP";
private static ImageWriter writer = (ImageWriter)ImageIO.getImageWritersByFormatName(writingFormat).next();
private int type;
public static void main(String[] args) {
//int i = 0;
for(int i=0; i<bufferedImageType.length; i++) {
Write3ByteBgrTest t1 = new Write3ByteBgrTest(bufferedImageType[i]);
System.out.println("\n\nImage test for type " + bufferedImageStringType[i]);
t1.doImageTest();
}
}
private Write3ByteBgrTest(int type) {
this.type = type;
}
private void doImageTest() {
try {
BufferedImage src = createTestImage(type);
BufferedImage dst = writeImage(src);
compareImages(src, dst);
} catch (ArrayIndexOutOfBoundsException e) {
throw new RuntimeException("Test failed: index out of array bounds!");
}
}
private void compareImages(BufferedImage src, BufferedImage dst) {
Object dstPixel = dst.getRaster().getDataElements(width/2, height/2, null);
Object srcPixel = src.getRaster().getDataElements(width/2, height/2, null);
if ( (src.getColorModel().getRed(srcPixel) != dst.getColorModel().getRed(dstPixel)) ||
(src.getColorModel().getGreen(srcPixel) != dst.getColorModel().getGreen(dstPixel)) ||
(src.getColorModel().getBlue(srcPixel) != dst.getColorModel().getBlue(dstPixel)) ||
(src.getColorModel().getAlpha(srcPixel) != dst.getColorModel().getAlpha(dstPixel)) ) {
showPixel(src, width/2, height/2);
showPixel(dst, width/2, height/2);
showRes(dst, src);
throw new RuntimeException(
"Colors are different: " +
Integer.toHexString(src.getColorModel().getRGB(srcPixel)) + " and " +
Integer.toHexString(dst.getColorModel().getRGB(dstPixel)));
}
}
private BufferedImage writeImage(BufferedImage src) {
try {
BufferedImage dst = null;
if (!writer.getOriginatingProvider().canEncodeImage(src)) {
throw new RuntimeException(writingFormat+" writer does not support the image type "+type);
}
System.out.println(writingFormat+" writer claims it can encode the image "+type);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
writer.setOutput(ios);
IIOImage img = new IIOImage(src.getRaster(), null, null);
writer.write(img);
ios.close();
baos.close();
// save to file
File f = new File("test"+src.getType()+".bmp");
FileOutputStream fos = new FileOutputStream(f);
fos.write(baos.toByteArray());
fos.close();
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
dst = ImageIO.read(bais);
return dst;
} catch (IOException e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
private static void showPixel(BufferedImage src, int x, int y) {
System.out.println("Img is " + src);
Object p = src.getRaster().getDataElements(x, y, null);
System.out.println("RGB: " +
Integer.toHexString(src.getColorModel().getRGB(p)));
System.out.println("Red: " +
Integer.toHexString(src.getColorModel().getRed(p)));
System.out.println("Green: " +
Integer.toHexString(src.getColorModel().getGreen(p)));
System.out.println("Blue: " +
Integer.toHexString(src.getColorModel().getBlue(p)));
System.out.println("Alpha: " +
Integer.toHexString(src.getColorModel().getAlpha(p)));
}
private static BufferedImage createTestImage(int type) {
return createTestImage(type, color);
}
private static BufferedImage createTestImage(int type, Color c) {
BufferedImage i = null;
if (type == BufferedImage.TYPE_CUSTOM) {
WritableRaster wr = Raster.createBandedRaster(
DataBuffer.TYPE_BYTE,
width, height,
width, // scanlineStride
new int[] { 0, 1, 2},// bankIndices[],
new int[] { 1, 2, 0},// bankOffsets[],
null);
ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
ColorModel cm = new ComponentColorModel(cs,
new int[] { 8, 8, 8},
false,
false,
ColorModel.OPAQUE,
DataBuffer.TYPE_BYTE);
i = new BufferedImage(cm, wr, false, null);
} else {
i = new BufferedImage(width, height, type);
}
Graphics2D g = i.createGraphics();
g.setColor(c);
g.fillRect(0, 0, width, height);
g.setColor(Color.white);
g.drawRect(10,10, width-20, height-20);
return i;
}
private static void showRes(final BufferedImage src,
final BufferedImage dst)
{
final int w = src.getWidth()+ dst.getWidth();
final int h = Math.max(src.getHeight(), dst.getHeight());
JFrame f = new JFrame("Test results");
f.getContentPane().add( new JComponent() {
public Dimension getPreferredSize() {
return new Dimension(w,h);
}
public void paintComponent(Graphics g) {
g.drawImage(src,0,0, null);
g.drawImage(dst, src.getWidth(),0, null);
}
});
f.pack();
f.setVisible(true);
}
}