126 lines
5.0 KiB
Java
126 lines
5.0 KiB
Java
/*
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* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import org.testng.annotations.Test;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import java.io.InvalidObjectException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.io.ObjectStreamClass;
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import java.io.Serializable;
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import java.net.UnixDomainSocketAddress;
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import java.nio.file.Path;
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import static java.io.ObjectStreamConstants.*;
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import static org.testng.Assert.assertEquals;
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import static org.testng.Assert.assertTrue;
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import static org.testng.Assert.expectThrows;
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/*
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* @test
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* @summary UnixDomainSocketAddress serialization test
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* @run testng/othervm UnixDomainSocketAddressSerializationTest
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*/
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@Test
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public class UnixDomainSocketAddressSerializationTest {
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private static final UnixDomainSocketAddress addr =
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UnixDomainSocketAddress.of(Path.of("test.sock"));
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public static void test() throws Exception {
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assertTrue(addr instanceof Serializable);
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byte[] serialized = serialize(addr);
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assertTrue(serialized.length > 0);
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UnixDomainSocketAddress deserialized =
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deserialize(serialized, UnixDomainSocketAddress.class);
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assertEquals(deserialized.getPath(), addr.getPath());
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assertEquals(deserialized.toString(), addr.toString());
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assertEquals(deserialized.hashCode(), addr.hashCode());
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assertEquals(deserialized, addr);
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}
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static final Class<InvalidObjectException> IOE = InvalidObjectException.class;
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static final Class<NullPointerException> NPE = NullPointerException.class;
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/** Tests that UnixDomainSocketAddress in the byte-stream is disallowed. */
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public static void testUnixDomainSocketAddressInStream() throws Exception {
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long suid = ObjectStreamClass.lookup(UnixDomainSocketAddress.class).getSerialVersionUID();
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byte[] bytes = byteStreamFor(UnixDomainSocketAddress.class.getName(), suid);
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expectThrows(IOE, () -> deserialize(bytes, UnixDomainSocketAddress.class));
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}
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/** Tests that SerialProxy with a null/absent path value in the byte-stream is disallowed. */
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public static void testSerialProxyNoStreamValues() throws Exception {
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Class<?> c = Class.forName("java.net.UnixDomainSocketAddress$Ser");
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long suid = ObjectStreamClass.lookup(c).getSerialVersionUID();
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byte[] bytes = byteStreamFor(c.getName(), suid);
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expectThrows(NPE, () -> deserialize(bytes, UnixDomainSocketAddress.class));
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}
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private static <T extends Serializable> byte[] serialize(T t)
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throws IOException {
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ByteArrayOutputStream bos = new ByteArrayOutputStream();
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ObjectOutputStream oos = new ObjectOutputStream(bos);
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oos.writeObject(t);
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oos.flush();
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oos.close();
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return bos.toByteArray();
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}
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private static <T extends Serializable> T deserialize(byte[] b, Class<T> cl)
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throws IOException, ClassNotFoundException {
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try (ObjectInputStream ois =
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new ObjectInputStream(new ByteArrayInputStream(b))) {
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Object o = ois.readObject();
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return cl.cast(o);
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}
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}
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/**
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* Returns a stream with the given classname and suid. The stream will have
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* no stream field values.
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*/
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static byte[] byteStreamFor(String classname, long suid) throws Exception {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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DataOutputStream dos = new DataOutputStream(baos);
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dos.writeShort(STREAM_MAGIC);
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dos.writeShort(STREAM_VERSION);
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dos.writeByte(TC_OBJECT);
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dos.writeByte(TC_CLASSDESC);
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dos.writeUTF(classname);
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dos.writeLong(suid);
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dos.writeByte(SC_SERIALIZABLE);
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dos.writeShort(0); // number of stream fields
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dos.writeByte(TC_ENDBLOCKDATA); // no annotations
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dos.writeByte(TC_NULL); // no superclasses
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dos.write(TC_ENDBLOCKDATA); // end block - for SC_WRITE_METHOD
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dos.close();
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return baos.toByteArray();
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}
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}
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