| /* |
| * Copyright (c) 2018, 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. |
| */ |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.ObjectInputFilter; |
| import java.io.ObjectInputStream; |
| import java.io.InvalidClassException; |
| |
| import java.util.Hashtable; |
| |
| import jdk.internal.misc.SharedSecrets; |
| |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.DataProvider; |
| import org.testng.annotations.Test; |
| import org.testng.Assert; |
| |
| /* @test |
| * @build CheckArrayTest SerialFilterTest |
| * @bug 8203368 |
| * @modules java.base/jdk.internal.misc |
| * @run testng CheckArrayTest |
| * |
| * @summary Test the SharedSecret access to ObjectInputStream.checkArray works |
| * with overridden subclasses. |
| */ |
| |
| /** |
| * Verify that the SharedSecret access to the OIS checkAccess method |
| * does not fail with NPE in the case where ObjectInputStream is subclassed. |
| * The checkAccess method is called from various aggregate types in java.util |
| * to check array sizes during deserialization via the ObjectInputFilter attached the stream. |
| * The filterCheck must be resilent to an InputStream not being available (only the subclass knows). |
| */ |
| public class CheckArrayTest { |
| |
| @DataProvider(name = "Patterns") |
| Object[][] patterns() { |
| return new Object[][]{ |
| new Object[]{"maxarray=10", 10, new String[10]}, // successful |
| new Object[]{"maxarray=10", 11, new String[11]}, // exception expected |
| }; |
| } |
| |
| /** |
| * Test SharedSecrets checkArray with unmodified ObjectInputStream. |
| */ |
| @Test(dataProvider = "Patterns") |
| public void normalOIS(String pattern, int arraySize, Object[] array) throws IOException { |
| ObjectInputFilter filter = ObjectInputFilter.Config.createFilter(pattern); |
| byte[] bytes = SerialFilterTest.writeObjects(array); |
| try (ByteArrayInputStream bais = new ByteArrayInputStream(bytes); |
| ObjectInputStream ois = new ObjectInputStream(bais)) { |
| // Check the arraysize against the filter |
| try { |
| ois.setObjectInputFilter(filter); |
| SharedSecrets.getJavaObjectInputStreamAccess() |
| .checkArray(ois, array.getClass(), arraySize); |
| Assert.assertTrue(array.length >= arraySize, |
| "Should have thrown InvalidClassException due to array size"); |
| } catch (InvalidClassException ice) { |
| Assert.assertFalse(array.length > arraySize, |
| "Should NOT have thrown InvalidClassException due to array size"); |
| } |
| } |
| } |
| |
| /** |
| * Test SharedSecrets checkArray with an ObjectInputStream subclassed to |
| * handle all input stream functions. |
| */ |
| @Test(dataProvider = "Patterns") |
| public void subclassedOIS(String pattern, int arraySize, Object[] array) throws IOException { |
| byte[] bytes = SerialFilterTest.writeObjects(array); |
| try (ByteArrayInputStream bais = new ByteArrayInputStream(bytes); |
| ObjectInputStream ois = new MyInputStream(bais)) { |
| // Check the arraysize against the filter |
| ObjectInputFilter filter = ObjectInputFilter.Config.createFilter(pattern); |
| ois.setObjectInputFilter(filter); |
| SharedSecrets.getJavaObjectInputStreamAccess() |
| .checkArray(ois, array.getClass(), arraySize); |
| Assert.assertTrue(array.length >= arraySize, |
| "Should have thrown InvalidClassException due to array size"); |
| } catch (InvalidClassException ice) { |
| Assert.assertFalse(array.length > arraySize, |
| "Should NOT have thrown InvalidClassException due to array size"); |
| } |
| } |
| |
| /** |
| * Subclass OIS to disable all input stream functions of the OIS. |
| */ |
| static class MyInputStream extends ObjectInputStream { |
| MyInputStream(InputStream is) throws IOException { |
| super(); |
| } |
| |
| public void close() { |
| } |
| } |
| } |