jdk/test/javax/net/ssl/TLSCommon/BufferOverflowUnderflowTest.java
changeset 31057 babdeee3c007
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/net/ssl/TLSCommon/BufferOverflowUnderflowTest.java	Fri Jun 05 12:22:36 2015 +0300
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2015, 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 java.nio.ByteBuffer;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLEngine;
+import javax.net.ssl.SSLEngineResult;
+import javax.net.ssl.SSLException;
+
+/**
+ * Testing SSLEngine incorrect app data packages unwrapping.
+ */
+public class BufferOverflowUnderflowTest extends SSLEngineTestCase {
+
+    private final String MESSAGE = "Hello peer!";
+
+    public static void main(String[] args) {
+        BufferOverflowUnderflowTest test = new BufferOverflowUnderflowTest();
+        setUpAndStartKDCIfNeeded();
+        test.runTests();
+    }
+
+    @Override
+    protected void testOneCipher(String cipher) throws SSLException {
+        SSLContext context = getContext();
+        int maxPacketSize = getMaxPacketSize();
+        boolean useSNI = !TEST_MODE.equals("norm");
+        SSLEngine clientEngine = getClientSSLEngine(context, useSNI);
+        SSLEngine serverEngine = getServerSSLEngine(context, useSNI);
+        clientEngine.setEnabledCipherSuites(new String[]{cipher});
+        serverEngine.setEnabledCipherSuites(new String[]{cipher});
+        serverEngine.setNeedClientAuth(!cipher.contains("anon"));
+        doHandshake(clientEngine, serverEngine, maxPacketSize,
+                HandshakeMode.INITIAL_HANDSHAKE);
+        checkBufferOverflowOnWrap(clientEngine);
+        checkBufferOverflowOnWrap(serverEngine);
+        checkBufferOverflowOnUnWrap(clientEngine, serverEngine);
+        checkBufferOverflowOnUnWrap(serverEngine, clientEngine);
+        checkBufferUnderflowOnUnWrap(serverEngine, clientEngine);
+        checkBufferUnderflowOnUnWrap(clientEngine, serverEngine);
+    }
+
+    private void checkBufferOverflowOnWrap(SSLEngine engine)
+            throws SSLException {
+        String mode = engine.getUseClientMode() ? "client"
+                : "server";
+        System.out.println("================================================="
+                + "===========");
+        System.out.println("Testing SSLEngine buffer overflow"
+                + " on wrap by " + mode);
+        ByteBuffer app = ByteBuffer.wrap(MESSAGE.getBytes());
+        //Making net buffer size less than required by 1 byte.
+        ByteBuffer net = ByteBuffer
+                .allocate(engine.getSession().getPacketBufferSize() - 1);
+        SSLEngineResult r = engine.wrap(app, net);
+        checkResult(r, SSLEngineResult.Status.BUFFER_OVERFLOW);
+        System.out.println("Passed");
+    }
+
+    private void checkBufferOverflowOnUnWrap(SSLEngine wrappingEngine,
+            SSLEngine unwrappingEngine)
+            throws SSLException {
+        String wrapperMode = wrappingEngine.getUseClientMode() ? "client"
+                : "server";
+        String unwrapperMode = unwrappingEngine.getUseClientMode() ? "client"
+                : "server";
+        if (wrapperMode.equals(unwrapperMode)) {
+            throw new Error("Test error: both engines are in the same mode!");
+        }
+        System.out.println("================================================="
+                + "===========");
+        System.out.println("Testing SSLEngine buffer overflow"
+                + " on unwrap by " + unwrapperMode);
+        ByteBuffer app = ByteBuffer.wrap(MESSAGE.getBytes());
+        ByteBuffer net = ByteBuffer
+                .allocate(wrappingEngine.getSession().getPacketBufferSize());
+        SSLEngineResult r = wrappingEngine.wrap(app, net);
+        checkResult(r, SSLEngineResult.Status.OK);
+        //Making app buffer size less than required by 1 byte.
+        app = ByteBuffer.allocate(MESSAGE.length() - 1);
+        net.flip();
+        r = unwrappingEngine.unwrap(net, app);
+        checkResult(r, SSLEngineResult.Status.BUFFER_OVERFLOW);
+        System.out.println("Passed");
+    }
+
+    private void checkBufferUnderflowOnUnWrap(SSLEngine wrappingEngine,
+            SSLEngine unwrappingEngine)
+            throws SSLException {
+        String wrapperMode = wrappingEngine.getUseClientMode() ? "client"
+                : "server";
+        String unwrapperMode = unwrappingEngine.getUseClientMode() ? "client"
+                : "server";
+        if (wrapperMode.equals(unwrapperMode)) {
+            throw new Error("Test error: both engines are in the same mode!");
+        }
+        System.out.println("================================================="
+                + "===========");
+        System.out.println("Testing SSLEngine buffer underflow"
+                + " on unwrap by " + unwrapperMode);
+        ByteBuffer app = ByteBuffer.wrap(MESSAGE.getBytes());
+        ByteBuffer net = ByteBuffer
+                .allocate(wrappingEngine.getSession().getPacketBufferSize());
+        SSLEngineResult r = wrappingEngine.wrap(app, net);
+        checkResult(r, SSLEngineResult.Status.OK);
+        app = ByteBuffer.allocate(unwrappingEngine.getSession()
+                .getApplicationBufferSize());
+        net.flip();
+        //Making net buffer size less than size of dtls message.
+        net.limit(net.limit() - 1);
+        r = unwrappingEngine.unwrap(net, app);
+        checkResult(r, SSLEngineResult.Status.BUFFER_UNDERFLOW);
+        System.out.println("Passed");
+    }
+}