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/*
* Copyright (c) 2015, 2017, 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.
*/
/*
* @test
* @bug 8043758
* @summary Testing DTLS records sequence number property support in application
* data exchange.
* @key randomness
* @library /sun/security/krb5/auto /test/lib /javax/net/ssl/TLSCommon
* @modules java.security.jgss
* jdk.security.auth
* java.security.jgss/sun.security.jgss.krb5
* java.security.jgss/sun.security.krb5:+open
* java.security.jgss/sun.security.krb5.internal:+open
* java.security.jgss/sun.security.krb5.internal.ccache
* java.security.jgss/sun.security.krb5.internal.crypto
* java.security.jgss/sun.security.krb5.internal.ktab
* java.base/sun.security.util
* @build jdk.test.lib.RandomFactory
* @run main/othervm -Dtest.security.protocol=DTLS
* -Dtest.mode=norm DTLSSequenceNumberTest
* @run main/othervm -Dtest.security.protocol=DTLS
* -Dtest.mode=norm_sni DTLSSequenceNumberTest
* @run main/othervm -Dtest.security.protocol=DTLS
* -Dtest.mode=krb DTLSSequenceNumberTest
*/
import java.nio.ByteBuffer;
import java.util.TreeMap;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLEngineResult;
import javax.net.ssl.SSLException;
import java.util.Random;
import jdk.test.lib.RandomFactory;
/**
* Testing DTLS records sequence number property support in application data
* exchange.
*/
public class DTLSSequenceNumberTest extends SSLEngineTestCase {
private final String BIG_MESSAGE = "Very very big message. One two three"
+ " four five six seven eight nine ten eleven twelve thirteen"
+ " fourteen fifteen sixteen seventeen eighteen nineteen twenty.";
private final byte[] BIG_MESSAGE_BYTES = BIG_MESSAGE.getBytes();
private final int PIECES_NUMBER = 15;
public static void main(String[] args) {
DTLSSequenceNumberTest test = new DTLSSequenceNumberTest();
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);
checkSeqNumPropertyWithAppDataSend(clientEngine, serverEngine);
checkSeqNumPropertyWithAppDataSend(serverEngine, clientEngine);
}
private void checkSeqNumPropertyWithAppDataSend(SSLEngine sendEngine,
SSLEngine recvEngine) throws SSLException {
String sender, reciever;
if (sendEngine.getUseClientMode() && !recvEngine.getUseClientMode()) {
sender = "Client";
reciever = "Server";
} else if (recvEngine.getUseClientMode() && !sendEngine.getUseClientMode()) {
sender = "Server";
reciever = "Client";
} else {
throw new Error("Both engines are in the same mode");
}
System.out.println("================================================="
+ "===========");
System.out.println("Checking DTLS sequence number support"
+ " by sending data from " + sender + " to " + reciever);
ByteBuffer[] sentMessages = new ByteBuffer[PIECES_NUMBER];
ByteBuffer[] netBuffers = new ByteBuffer[PIECES_NUMBER];
TreeMap<Long, ByteBuffer> recvMap = new TreeMap<>(Long::compareUnsigned);
int symbolsInAMessage;
int symbolsInTheLastMessage;
int[] recievingSequence = new int[PIECES_NUMBER];
for (int i = 0; i < PIECES_NUMBER; i++) {
recievingSequence[i] = i;
}
shuffleArray(recievingSequence);
if (BIG_MESSAGE.length() % PIECES_NUMBER == 0) {
symbolsInAMessage = BIG_MESSAGE.length() / PIECES_NUMBER;
symbolsInTheLastMessage = symbolsInAMessage;
} else {
symbolsInAMessage = BIG_MESSAGE.length() / (PIECES_NUMBER - 1);
symbolsInTheLastMessage = BIG_MESSAGE.length() % (PIECES_NUMBER - 1);
}
for (int i = 0; i < PIECES_NUMBER - 1; i++) {
sentMessages[i] = ByteBuffer.wrap(BIG_MESSAGE_BYTES,
i * symbolsInAMessage, symbolsInAMessage);
}
sentMessages[PIECES_NUMBER - 1] = ByteBuffer.wrap(BIG_MESSAGE_BYTES,
(PIECES_NUMBER - 1) * symbolsInAMessage, symbolsInTheLastMessage);
long prevSeqNum = 0L;
//Wrapping massages in direct order
for (int i = 0; i < PIECES_NUMBER; i++) {
netBuffers[i] = ByteBuffer.allocate(sendEngine.getSession()
.getPacketBufferSize());
SSLEngineResult[] r = new SSLEngineResult[1];
netBuffers[i] = doWrap(sendEngine, sender, 0, sentMessages[i], r);
long seqNum = r[0].sequenceNumber();
if (Long.compareUnsigned(seqNum, prevSeqNum) <= 0) {
throw new AssertionError("Sequence number of the wrapped "
+ "message is less or equal than that of the"
+ " previous one! "
+ "Was " + prevSeqNum + ", now " + seqNum + ".");
}
prevSeqNum = seqNum;
}
//Unwrapping messages in random order and trying to reconstruct order
//from sequence number.
for (int i = 0; i < PIECES_NUMBER; i++) {
int recvNow = recievingSequence[i];
SSLEngineResult[] r = new SSLEngineResult[1];
ByteBuffer recvMassage = doUnWrap(recvEngine, reciever,
netBuffers[recvNow], r);
long seqNum = r[0].sequenceNumber();
recvMap.put(seqNum, recvMassage);
}
int mapSize = recvMap.size();
if (mapSize != PIECES_NUMBER) {
throw new AssertionError("The number of received massages "
+ mapSize + " is not equal to the number of sent messages "
+ PIECES_NUMBER + "!");
}
byte[] recvBigMsgBytes = new byte[BIG_MESSAGE_BYTES.length];
int counter = 0;
for (ByteBuffer msg : recvMap.values()) {
System.arraycopy(msg.array(), 0, recvBigMsgBytes,
counter * symbolsInAMessage, msg.remaining());
counter++;
}
String recvBigMsg = new String(recvBigMsgBytes);
if (!recvBigMsg.equals(BIG_MESSAGE)) {
throw new AssertionError("Received big message is not equal to"
+ " one that was sent! Received message is: " + recvBigMsg);
}
}
private static void shuffleArray(int[] ar) {
final Random RNG = RandomFactory.getRandom();
for (int i = ar.length - 1; i > 0; i--) {
int index = RNG.nextInt(i + 1);
int a = ar[index];
ar[index] = ar[i];
ar[i] = a;
}
}
}
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