| /* |
| * Copyright (c) 2016, 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 sun.security.provider.DRBG; |
| import sun.security.provider.MoreDrbgParameters; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.lang.reflect.Field; |
| |
| /** |
| * @test |
| * @bug 8157308 |
| * @modules java.base/sun.security.provider:+open |
| * @summary Make AbstractDrbg non-Serializable |
| * @run main DRBGS11n mech |
| * @run main DRBGS11n capability |
| */ |
| public class DRBGS11n { |
| |
| public static void main(String[] args) throws Exception { |
| |
| DRBG d = new DRBG(null); |
| Field f = DRBG.class.getDeclaredField("mdp"); |
| f.setAccessible(true); |
| MoreDrbgParameters mdp = (MoreDrbgParameters)f.get(d); |
| |
| // Corrupt the mech or capability fields inside DRBG#mdp. |
| f = MoreDrbgParameters.class.getDeclaredField(args[0]); |
| f.setAccessible(true); |
| f.set(mdp, null); |
| |
| try { |
| revive(d); |
| } catch (IllegalArgumentException iae) { |
| // Expected |
| return; |
| } |
| |
| throw new Exception("revive should fail"); |
| } |
| |
| static <T> T revive(T in) throws Exception { |
| ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| new ObjectOutputStream(bout).writeObject(in); |
| return (T) new ObjectInputStream( |
| new ByteArrayInputStream(bout.toByteArray())).readObject(); |
| } |
| } |