1 /* 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 */ 22 23 /* 24 * @test 25 * @bug 6739302 26 * @summary Check that deserialization preserves EnumSet integrity 27 * @author Josh Bloch 28 */ 29 30 package test.java.util.EnumSet; 31 32 import java.util.*; 33 import java.io.*; 34 35 public class BogusEnumSet { main(String[] args)36 public static void main(String[] args) throws Throwable { 37 // This test tries to deserialize a bogus stream produced with 38 // hypothetical EnumSet without a writeReplace() method - i.e. 39 // not using serialization proxy pattern. It tests that such 40 // stream is not accepted as valid stream - the EnumSet class 41 // declares a readObject() method which throws exception. 42 byte[] serializedForm = { 43 (byte)0xac, (byte)0xed, 0x0, 0x5, 0x73, 0x72, 0x0, 0x18, 44 0x6a, 0x61, 0x76, 0x61, 0x2e, 0x75, 0x74, 0x69, 45 0x6c, 0x2e, 0x52, 0x65, 0x67, 0x75, 0x6c, 0x61, 0x72, 0x45, 46 0x6e, 0x75, 0x6d, 0x53, 0x65, 0x74, 0x2f, 0x58, 0x6f, (byte)0xc7, 47 0x7e, (byte)0xb0, (byte)0xd0, 0x7e, 0x2, 0x0, 0x1, 0x4a, 0x0, 0x8, 48 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x6e, 0x74, 0x73, 0x78, 0x72, 0x0, 49 0x11, 0x6a, 0x61, 0x76, 0x61, 0x2e, 0x75, 0x74, 0x69, 50 0x6c, 0x2e, 0x45, 0x6e, 0x75, 0x6d, 0x53, 0x65, 0x74, 0xe, 51 0x3, 0x21, 0x6a, (byte)0xcd, (byte)0x8c, 0x29, (byte)0xdd, 0x2, 52 0x0, 0x2, 0x4c, 0x0, 0xb, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x6e, 0x74, 53 0x54, 0x79, 0x70, 0x65, 0x74, 0x0, 0x11, 0x4c, 0x6a, 0x61, 0x76, 54 0x61, 0x2f, 0x6c, 0x61, 0x6e, 0x67, 0x2f, 0x43, 0x6c, 0x61, 0x73, 55 0x73, 0x3b, 0x5b, 0x0, 0x8, 0x75, 0x6e, 0x69, 0x76, 0x65, 0x72, 56 0x73, 0x65, 0x74, 0x0, 0x11, 0x5b, 0x4c, 0x6a, 0x61, 0x76, 0x61, 57 0x2f, 0x6c, 0x61, 0x6e, 0x67, 0x2f, 0x45, 0x6e, 0x75, 0x6d, 0x3b, 58 0x78, 0x70, 0x76, 0x72, 0x0, 0x16, 0x6a, 0x61, 0x76, 0x61, 0x2e, 59 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x54, 0x68, 0x72, 0x65, 0x61, 60 0x64, 0x24, 0x53, 0x74, 0x61, 0x74, 0x65, 0x0, 0x0, 0x0, 0x0, 0x0, 61 0x0, 0x0, 0x0, 0x12, 0x0, 0x0, 0x78, 0x72, 0x0, 0xe, 0x6a, 0x61, 62 0x76, 0x61, 0x2e, 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x45, 0x6e, 0x75, 63 0x6d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x12, 0x0, 0x0, 0x78, 64 0x70, 0x75, 0x72, 0x0, 0x19, 0x5b, 0x4c, 0x6a, 0x61, 0x76, 0x61, 65 0x2e, 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x54, 0x68, 0x72, 0x65, 0x61, 66 0x64, 0x24, 0x53, 0x74, 0x61, 0x74, 0x65, 0x3b, 0x68, (byte)0xa3, 67 (byte)0xb5, (byte)0xd5, 0x11, 0x7d, 0x1b, (byte)0xb3, 0x2, 0x0, 68 0x0, 0x78, 0x70, 0x0, 0x0, 0x0, 0x6, 0x7e, 0x71, 0x0, 0x7e, 0x0, 69 0x5, 0x74, 0x0, 0x3, 0x4e, 0x45, 0x57, 0x7e, 0x71, 0x0, 0x7e, 0x0, 70 0x5, 0x74, 0x0, 0x8, 0x52, 0x55, 0x4e, 0x4e, 0x41, 0x42, 0x4c, 0x45, 71 0x7e, 0x71, 0x0, 0x7e, 0x0, 0x5, 0x74, 0x0, 0x7, 0x42, 0x4c, 0x4f, 72 0x43, 0x4b, 0x45, 0x44, 0x7e, 0x71, 0x0, 0x7e, 0x0, 0x5, 0x74, 0x0, 73 0x7, 0x57, 0x41, 0x49, 0x54, 0x49, 0x4e, 0x47, 0x7e, 0x71, 0x0, 74 0x7e, 0x0, 0x5, 0x74, 0x0, 0xd, 0x54, 0x49, 0x4d, 0x45, 0x44, 75 0x5f, 0x57, 0x41, 0x49, 0x54, 0x49, 0x4e, 0x47, 0x7e, 0x71, 0x0, 76 0x7e, 0x0, 0x5, 0x74, 0x0, 0xa, 0x54, 0x45, 0x52, 0x4d, 0x49, 77 0x4e, 0x41, 0x54, 0x45, 0x44, (byte)0xff, (byte)0xff, (byte)0xff, 78 (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff 79 }; 80 81 try { 82 // Should fail, but instead creates corrupt EnumSet 83 @SuppressWarnings("unchecked") 84 EnumSet<Thread.State> es = (EnumSet<Thread.State>) 85 deserialize(serializedForm); 86 87 // Demonstrates corruption 88 System.out.println("Enum size: " + Thread.State.values().length); // 6 89 System.out.println("Set size: " + es.size()); // 64 90 System.out.println("Set: " + es); // Throws IndexOutOfBoundsException 91 throw new AssertionError("Expected exception InvalidObjectException not thrown"); 92 } catch (java.io.InvalidObjectException expected) { /* OK */ } 93 } 94 deserialize(byte[] sf)95 private static Object deserialize(byte[] sf) throws Throwable { 96 return new ObjectInputStream( 97 new ByteArrayInputStream(sf)) 98 .readObject(); 99 } 100 } 101