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/io/Serializable/oldTests/AnnotateClass.java

@@ -0,0 +1,191 @@
+/*
+ * Copyright (c) 2005, 2019, 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
+ * @summary it is new version of old test which was
+ *          /src/share/test/serialization/subtest.java
+ *          This test verifies of invocation
+ *          annotateClass/replaceObject methods
+ */
+
+import java.io.*;
+
+public class AnnotateClass {
+    public static void main (String argv[]) {
+        System.err.println("\nRegression test for verification " +
+                           "of invocation annotateClass/replaceObject " +
+                           "methods \n");
+        try {
+            FileOutputStream ostream = new FileOutputStream("subtest1.tmp");
+            try {
+                TestOutputStream p = new TestOutputStream(ostream);
+                p.writeObject(System.out);
+                p.writeObject(System.err);
+                p.writeObject(new PrintStream(ostream));
+                p.flush();
+            } finally {
+                ostream.close();
+            }
+
+            FileInputStream istream = new FileInputStream("subtest1.tmp");
+            try {
+                TestInputStream q = new TestInputStream(istream);
+
+                PrintStream out = (PrintStream)q.readObject();
+                PrintStream err = (PrintStream)q.readObject();
+                Object other = q.readObject();
+                if (out != System.out) {
+                    System.err.println(
+                        "\nTEST FAILED: System.out not read correctly");
+                    throw new Error();
+                }
+                if (err != System.err) {
+                    System.err.println(
+                        "\nTEST FAILED: System.err not read correctly");
+                    throw new Error();
+                }
+                if (other != null) {
+                    System.err.println(
+                        "\nTEST FAILED: Non-system PrintStream should have " +
+                        "been written/read as null");
+                    throw new Error();
+                }
+            } finally {
+                istream.close();
+            }
+
+            System.err.println("\nTEST PASSED");
+        } catch (Exception e) {
+            System.err.print("TEST FAILED: ");
+            e.printStackTrace();
+            throw new Error();
+        }
+    }
+}
+
+
+
+/** ObjectOutputStream is extended to test the annotateClass()
+ * and replaceObject() subclassable methods.
+ * In annotateClass a magic string is written to the stream
+ * so that it can be verified in ObjectInputStream.
+ * replaceObject is used to subsititute a handle object for
+ * one of the standard PrintStreams (stdout or stderr).
+ */
+class TestOutputStream extends ObjectOutputStream {
+    /* Construct a new test stream */
+    TestOutputStream(OutputStream out)  throws IOException {
+        super(out);
+        enableReplaceObject(true);
+    }
+
+    /* When any class is written, add a "magic" string
+     * that must be verified by the TestInputStream.
+     */
+    protected void annotateClass(Class<?> cl) throws IOException {
+        this.writeUTF("magic");
+    }
+
+    /* For each object of type PrintStream, substitute
+     * a StdStream handle object that encodes which
+     * of the standard print streams is being written.
+     * Other objects are written as themselves.
+     */
+    protected Object replaceObject(Object obj)
+    {
+        /* For PrintStreams, like stdout and stderr, encode */
+        if (obj instanceof PrintStream) {
+            return new StdStream((PrintStream)obj);
+        }
+        return obj;
+    }
+}
+
+/** Reverse the effects of TestOutputStream.
+ */
+class TestInputStream extends ObjectInputStream {
+
+    TestInputStream(InputStream in)  throws IOException  {
+        super(in);
+        enableResolveObject(true);
+    }
+
+    /** Verify that the magic string was written to the stream
+     * Also use the default classname->class resolution.
+     */
+    protected Class<?> resolveClass(ObjectStreamClass classdesc)
+        throws ClassNotFoundException, IOException
+    {
+        try {
+            String s = readUTF();
+            if (!(s.equals("magic"))) {
+                System.err.println(
+                    "\nTEST FAILED: Bad magic number");
+                throw new Error();
+            }
+        } catch (IOException ee) {
+            System.err.println(
+                "\nTEST FAILED: I/O Exception");
+            throw new Error();
+        }
+        return super.resolveClass(classdesc);
+    }
+
+    /** If the object in the stream is a StdStream,
+     * get the mapping of it to the local System printstream and
+     * return it.
+     * Other objects are returned as themselves.
+     */
+    protected Object resolveObject(Object obj) {
+        if (obj instanceof StdStream) {
+            return ((StdStream)obj).getStream();
+        }
+        return obj;
+    }
+}
+
+/* A holder class to map between standard print streams (stdout, stderr)
+ * and a small integer.
+ */
+class StdStream implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
+    private int stream = 0;
+
+    public StdStream(PrintStream s) {
+        if (s == System.out) {
+            stream = 1;
+        } else if (s == System.err) {
+            stream = 2;
+        }
+    }
+
+    public PrintStream getStream() {
+        if (stream == 1) {
+            return System.out;
+        } else if (stream == 2) {
+            return System.err;
+        } else {
+            return null;
+        }
+    }
+}