139 lines
4.2 KiB
Java
139 lines
4.2 KiB
Java
/*
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* Copyright (c) 2000, 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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/* @test
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* @bug 4311940
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* @summary Verify that unauthorized ObjectOutputStream and ObjectInputStream
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* cannot be constructed if they override security-sensitive non-final
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* methods.
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* @build AuditStreamSubclass
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* @run main/othervm AuditStreamSubclass
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*/
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import java.io.*;
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class GoodOOS1 extends ObjectOutputStream {
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GoodOOS1(OutputStream out) throws IOException { super(out); }
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}
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class GoodOOS2 extends GoodOOS1 {
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GoodOOS2(OutputStream out) throws IOException { super(out); }
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}
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class BadOOS1 extends ObjectOutputStream {
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BadOOS1(OutputStream out) throws IOException { super(out); }
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public PutField putFields() throws IOException { return null; }
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}
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class BadOOS2 extends ObjectOutputStream {
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BadOOS2(OutputStream out) throws IOException { super(out); }
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public void writeUnshared(Object obj) throws IOException {}
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}
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class BadOOS3 extends GoodOOS1 {
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BadOOS3(OutputStream out) throws IOException { super(out); }
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public void writeUnshared(Object obj) throws IOException {}
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}
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class GoodOIS1 extends ObjectInputStream {
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GoodOIS1(InputStream in) throws IOException { super(in); }
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}
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class GoodOIS2 extends GoodOIS1 {
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GoodOIS2(InputStream in) throws IOException { super(in); }
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}
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class BadOIS1 extends ObjectInputStream {
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BadOIS1(InputStream in) throws IOException { super(in); }
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public GetField readFields() throws IOException, ClassNotFoundException {
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return null;
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}
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}
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class BadOIS2 extends ObjectInputStream {
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BadOIS2(InputStream in) throws IOException { super(in); }
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public Object readUnshared() throws IOException, ClassNotFoundException {
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return null;
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}
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}
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class BadOIS3 extends GoodOIS1 {
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BadOIS3(InputStream in) throws IOException { super(in); }
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public Object readUnshared() throws IOException, ClassNotFoundException {
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return null;
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}
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}
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public class AuditStreamSubclass {
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public static void main(String[] args) throws Exception {
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if (System.getSecurityManager() == null) {
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System.setSecurityManager(new SecurityManager());
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}
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ByteArrayOutputStream bout = new ByteArrayOutputStream();
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ObjectOutputStream oout = new ObjectOutputStream(bout);
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oout.flush();
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byte[] buf = bout.toByteArray();
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new GoodOOS1(bout);
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new GoodOOS2(bout);
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new GoodOIS1(new ByteArrayInputStream(buf));
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new GoodOIS2(new ByteArrayInputStream(buf));
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try {
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new BadOOS1(bout);
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throw new Error();
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} catch (SecurityException ex) {
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}
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try {
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new BadOOS2(bout);
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throw new Error();
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} catch (SecurityException ex) {
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}
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try {
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new BadOOS3(bout);
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throw new Error();
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} catch (SecurityException ex) {
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}
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try {
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new BadOIS1(new ByteArrayInputStream(buf));
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throw new Error();
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} catch (SecurityException ex) {
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}
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try {
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new BadOIS2(new ByteArrayInputStream(buf));
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throw new Error();
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} catch (SecurityException ex) {
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}
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try {
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new BadOIS3(new ByteArrayInputStream(buf));
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throw new Error();
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} catch (SecurityException ex) {
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}
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}
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}
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