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/print/PrinterJob/MultiThread/MultiThreadTest.java

@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2007, 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 4922036
+ * @key printer
+ * @summary Confirm that no Exception is thrown and 2 identical output is produced.
+ * @run main/manual MultiThreadTest
+ */
+import java.io.*;
+import javax.print.*;
+
+
+public class MultiThreadTest extends Thread {
+
+    private PrintService service = PrintServiceLookup.lookupDefaultPrintService();
+    private Doc doc = null;
+
+    public MultiThreadTest(Doc docObject) {
+        this.doc = docObject;
+    }
+
+    public void print() {
+        try {
+            DocPrintJob job = null;
+
+            job = this.service.createPrintJob();
+            if (job == null) {
+                System.out.println("Fail: DocPrintJob is null...");
+                return;
+            }
+            System.out.println("About to print image...");
+
+            job.print(this.doc, null);
+            System.out.println("Image printed.");
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void run() {
+        this.print();
+    }
+
+    public static void main(String args[]) {
+        if (args.length <= 0) {
+            System.out.println("Usage: java MultiThreadTest <img file>");
+            return;
+        }
+        Object printData = null;
+
+        try {
+            File file = new File(args[0]);
+
+            printData = new byte[(int) file.length()];
+            FileInputStream in = new FileInputStream(file);
+
+            in.read((byte[]) printData);
+            in.close();
+        } catch (FileNotFoundException fe) {
+            System.out.println("ByteDoc: FileNotFoundException: "
+                    + fe.toString());
+
+        } catch (IOException ie) {
+            System.out.println("ByteDoc: IOException: " + ie.toString());
+        }
+        Doc doc1 = new ByteDoc(printData, DocFlavor.BYTE_ARRAY.GIF);
+        Doc doc2 = new ByteDoc(printData, DocFlavor.BYTE_ARRAY.GIF);
+
+        Thread thread1 = new MultiThreadTest(doc1);
+        Thread thread2 = new MultiThreadTest(doc2);
+
+        thread1.start();
+        thread2.start();
+    }
+}
+
+
+class ByteDoc implements Doc {
+
+    protected DocFlavor flavor = null;
+    protected Object printData = null;
+    protected InputStream instream = null;
+    protected FileReader reader = null;
+
+    // constructor takes the resource file and the document flavor.
+    public ByteDoc(Object printdata, DocFlavor docFlavor) {
+        this.printData = printdata;
+        this.flavor = docFlavor;
+    }
+
+    public javax.print.attribute.DocAttributeSet getAttributes() {
+        return null;
+    }
+
+    public DocFlavor getDocFlavor() {
+        return this.flavor;
+    }
+
+    public Object getPrintData() {
+        return this.printData;
+    }
+
+    public Reader getReaderForText() {
+        // Document says that if MIME type is non-text and representation class is input stream
+        // then return null;
+        return null;
+    }
+
+    public InputStream getStreamForBytes() {
+        synchronized (this) {
+            if ((this.instream == null) && (this.printData instanceof byte[])) {
+                // its a byte array so create a ByteArrayInputStream.
+                System.out.println("creating ByteArrayInputStream...");
+                this.instream = new ByteArrayInputStream((byte[]) printData);
+            }
+        }
+        return this.instream;
+    }
+}