1 /*
   2  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*

  25  * @bug 4765255




  26  * @summary Verify proper functioning of package equality checks used to
  27  *          determine accessibility of superclass constructor and inherited
  28  *          writeReplace/readResolve methods.
  29  */
  30 
  31 import java.io.*;
  32 import java.net.*;

  33 
  34 public class Test {
  35 
  36     static Class bcl;
  37     static Class dcl;
  38 
  39     public static void main(String[] args) throws Exception {
  40         ClassLoader ldr =
  41             new URLClassLoader(new URL[]{ new URL("file:foo.jar") },
  42                                Test.class.getClassLoader());
  43         bcl = Class.forName("B", true, ldr);
  44         dcl = Class.forName("D", true, ldr);
  45 
  46         Object b = bcl.newInstance();
  47         try {
  48             swizzle(b);
  49             throw new Error("expected InvalidClassException for class B");
  50         } catch (InvalidClassException e) {
  51             System.out.println("caught " + e);
  52             e.printStackTrace();
  53         }
  54         if (A.packagePrivateConstructorInvoked) {
  55             throw new Error("package private constructor of A invoked");
  56         }
  57 
  58         Object d = dcl.newInstance();
  59         swizzle(d);

  60     }
  61 
  62     static void swizzle(Object obj) throws Exception {
  63         ByteArrayOutputStream bout = new ByteArrayOutputStream();
  64         ObjectOutputStream oout = new ObjectOutputStream(bout);
  65         oout.writeObject(obj);
  66         oout.close();
  67         ByteArrayInputStream bin =
  68             new ByteArrayInputStream(bout.toByteArray());
  69         new TestObjectInputStream(bin).readObject();
  70     }
  71 }
  72 
  73 class TestObjectInputStream extends ObjectInputStream {
  74     TestObjectInputStream(InputStream in) throws IOException {
  75         super(in);
  76     }
  77 
  78     protected Class resolveClass(ObjectStreamClass desc)
  79         throws IOException, ClassNotFoundException

   1 /*
   2  * Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 4765255
  27  * @library /lib/testlibrary
  28  * @build JarUtils A B C D Driver Test
  29  * @run driver Driver
  30  * @run main Test
  31  * @summary Verify proper functioning of package equality checks used to
  32  *          determine accessibility of superclass constructor and inherited
  33  *          writeReplace/readResolve methods.
  34  */
  35 
  36 import java.io.*;
  37 import java.net.*;
  38 import java.nio.file.*;
  39 
  40 public class Test {
  41 
  42     static Class bcl;
  43     static Class dcl;
  44 
  45     public static void main(String[] args) throws Exception {
  46         URLClassLoader ldr =
  47             new URLClassLoader(new URL[]{ new URL("file:foo.jar") },
  48                                Test.class.getClassLoader());
  49         bcl = Class.forName("B", true, ldr);
  50         dcl = Class.forName("D", true, ldr);
  51 
  52         Object b = bcl.newInstance();
  53         try {
  54             swizzle(b);
  55             throw new Error("expected InvalidClassException for class B");
  56         } catch (InvalidClassException e) {
  57             System.out.println("caught " + e);
  58             e.printStackTrace();
  59         }
  60         if (A.packagePrivateConstructorInvoked) {
  61             throw new Error("package private constructor of A invoked");
  62         }
  63 
  64         Object d = dcl.newInstance();
  65         swizzle(d);
  66         ldr.close();
  67     }
  68 
  69     static void swizzle(Object obj) throws Exception {
  70         ByteArrayOutputStream bout = new ByteArrayOutputStream();
  71         ObjectOutputStream oout = new ObjectOutputStream(bout);
  72         oout.writeObject(obj);
  73         oout.close();
  74         ByteArrayInputStream bin =
  75             new ByteArrayInputStream(bout.toByteArray());
  76         new TestObjectInputStream(bin).readObject();
  77     }
  78 }
  79 
  80 class TestObjectInputStream extends ObjectInputStream {
  81     TestObjectInputStream(InputStream in) throws IOException {
  82         super(in);
  83     }
  84 
  85     protected Class resolveClass(ObjectStreamClass desc)
  86         throws IOException, ClassNotFoundException