1 /* 2 * Copyright (c) 2020, 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 import org.testng.annotations.Test; 25 26 import java.io.ByteArrayInputStream; 27 import java.io.ByteArrayOutputStream; 28 import java.io.DataOutputStream; 29 import java.io.IOException; 30 import java.io.InvalidObjectException; 31 import java.io.ObjectInputStream; 32 import java.io.ObjectOutputStream; 33 import java.io.ObjectStreamClass; 34 import java.io.Serializable; 35 import java.nio.channels.UnixDomainSocketAddress; 36 import java.nio.file.Path; 37 import static java.io.ObjectStreamConstants.*; 38 import static org.testng.Assert.assertEquals; 39 import static org.testng.Assert.assertTrue; 40 import static org.testng.Assert.expectThrows; 41 42 /* 43 * @test 44 * @summary UnixDomainSocketAddress serialization test 45 * @run testng/othervm UnixDomainSocketAddressSerializationTest 46 */ 47 48 @Test 49 public class UnixDomainSocketAddressSerializationTest { 50 private static final UnixDomainSocketAddress addr = 51 UnixDomainSocketAddress.of(Path.of("test.sock")); 52 53 public static void test() throws Exception { 54 assertTrue(addr instanceof Serializable); 55 56 byte[] serialized = serialize(addr); 57 assertTrue(serialized.length > 0); 58 59 UnixDomainSocketAddress deserialized = 60 deserialize(serialized, UnixDomainSocketAddress.class); 61 assertEquals(deserialized.getPath(), addr.getPath()); 62 assertEquals(deserialized.toString(), addr.toString()); 63 assertEquals(deserialized.hashCode(), addr.hashCode()); 64 assertEquals(deserialized, addr); 65 } 66 67 static final Class<InvalidObjectException> IOE = InvalidObjectException.class; 68 69 /** Tests that UnixDomainSocketAddress in the byte-stream is disallowed. */ 70 public static void testUnixDomainSocketAddressInStream() { 71 expectThrows(IOE, () -> deserialize(byteStream(), UnixDomainSocketAddress.class)); 72 } 73 74 private static <T extends Serializable> byte[] serialize(T t) 75 throws IOException { 76 ByteArrayOutputStream bos = new ByteArrayOutputStream(); 77 ObjectOutputStream oos = new ObjectOutputStream(bos); 78 oos.writeObject(t); 79 oos.flush(); 80 oos.close(); 81 return bos.toByteArray(); 82 } 83 84 private static <T extends Serializable> T deserialize(byte[] b, Class<T> cl) 85 throws IOException, ClassNotFoundException { 86 try (ObjectInputStream ois = 87 new ObjectInputStream(new ByteArrayInputStream(b))) { 88 Object o = ois.readObject(); 89 return cl.cast(o); 90 } 91 } 92 93 static final String CLASSNAME = UnixDomainSocketAddress.class.getName(); 94 static final long SUID = ObjectStreamClass.lookup(UnixDomainSocketAddress.class).getSerialVersionUID(); 95 /** 96 * Returns a stream with UnixDomainSocketAddress in the stream. The 97 * stream will have no stream field values. 98 */ 99 static byte[] byteStream() throws Exception { 100 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 101 DataOutputStream dos = new DataOutputStream(baos); 102 dos.writeShort(STREAM_MAGIC); 103 dos.writeShort(STREAM_VERSION); 104 dos.writeByte(TC_OBJECT); 105 dos.writeByte(TC_CLASSDESC); 106 dos.writeUTF(CLASSNAME); 107 dos.writeLong(SUID); 108 dos.writeByte(SC_SERIALIZABLE); 109 dos.writeShort(0); // number of stream fields 110 dos.writeByte(TC_ENDBLOCKDATA); // no annotations 111 dos.writeByte(TC_NULL); // no superclasses 112 dos.write(TC_ENDBLOCKDATA); // end block - for SC_WRITE_METHOD 113 dos.close(); 114 return baos.toByteArray(); 115 } 116 }