1 /*
   2  * Copyright (c) 2016, 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 // SunJSSE does not support dynamic system properties, no way to re-use
  25 // system properties in samevm/agentvm mode.
  26 
  27 /*
  28  * @test
  29  * @bug 8161086
  30  * @summary DTLS handshaking fails if some messages were lost
  31  * @modules java.base/sun.security.util
  32  * @build DTLSOverDatagram
  33  *
  34  * @run main/othervm RespondToRetransmit client 0 hello_request
  35  * @run main/othervm RespondToRetransmit client 1 client_hello
  36  * @run main/othervm RespondToRetransmit client 2 server_hello
  37  * @run main/othervm RespondToRetransmit client 3 hello_verify_request
  38  * @run main/othervm RespondToRetransmit client 4 new_session_ticket
  39  * @run main/othervm RespondToRetransmit client 11 certificate
  40  * @run main/othervm RespondToRetransmit client 12 server_key_exchange
  41  * @run main/othervm RespondToRetransmit client 13 certificate_request
  42  * @run main/othervm RespondToRetransmit client 14 server_hello_done
  43  * @run main/othervm RespondToRetransmit client 15 certificate_verify
  44  * @run main/othervm RespondToRetransmit client 16 client_key_exchange
  45  * @run main/othervm RespondToRetransmit client 20 finished
  46  * @run main/othervm RespondToRetransmit client 21 certificate_url
  47  * @run main/othervm RespondToRetransmit client 22 certificate_status
  48  * @run main/othervm RespondToRetransmit client 23 supplemental_data
  49  * @run main/othervm RespondToRetransmit client -1 change_cipher_spec
  50  * @run main/othervm RespondToRetransmit server 0 hello_request
  51  * @run main/othervm RespondToRetransmit server 1 client_hello
  52  * @run main/othervm RespondToRetransmit server 2 server_hello
  53  * @run main/othervm RespondToRetransmit server 3 hello_verify_request
  54  * @run main/othervm RespondToRetransmit server 4 new_session_ticket
  55  * @run main/othervm RespondToRetransmit server 11 certificate
  56  * @run main/othervm RespondToRetransmit server 12 server_key_exchange
  57  * @run main/othervm RespondToRetransmit server 13 certificate_request
  58  * @run main/othervm RespondToRetransmit server 14 server_hello_done
  59  * @run main/othervm RespondToRetransmit server 15 certificate_verify
  60  * @run main/othervm RespondToRetransmit server 16 client_key_exchange
  61  * @run main/othervm RespondToRetransmit server 20 finished
  62  * @run main/othervm RespondToRetransmit server 21 certificate_url
  63  * @run main/othervm RespondToRetransmit server 22 certificate_status
  64  * @run main/othervm RespondToRetransmit server 23 supplemental_data
  65  * @run main/othervm RespondToRetransmit server -1 change_cipher_spec
  66  */
  67 
  68 import java.util.List;
  69 import java.util.ArrayList;
  70 import java.net.DatagramPacket;
  71 import java.net.SocketAddress;
  72 import javax.net.ssl.SSLEngine;
  73 
  74 /**
  75  * Test that DTLS implementation is able to do retransmission internally
  76  * automatically if packet get lost.
  77  */
  78 public class RespondToRetransmit extends DTLSOverDatagram {
  79     private static boolean isClient;
  80     private static byte handshakeType;
  81 
  82     private boolean needPacketDuplicate = true;
  83 
  84     public static void main(String[] args) throws Exception {
  85         isClient = args[0].equals("client");
  86         handshakeType = Byte.valueOf(args[1]);
  87 
  88         RespondToRetransmit testCase = new RespondToRetransmit();
  89         testCase.runTest(testCase);
  90     }
  91 
  92     @Override
  93     boolean produceHandshakePackets(SSLEngine engine, SocketAddress socketAddr,
  94             String side, List<DatagramPacket> packets) throws Exception {
  95 
  96         boolean finished = super.produceHandshakePackets(
  97                 engine, socketAddr, side, packets);
  98 
  99         if (needPacketDuplicate && (!(isClient ^ engine.getUseClientMode()))) {
 100             DatagramPacket packet = getPacket(packets, handshakeType);
 101             if (packet != null) {
 102                 needPacketDuplicate = false;
 103 
 104                 System.out.println("Duplicate the flight.");
 105                 List<DatagramPacket> duplicates = new ArrayList<>();
 106                 finished = super.produceHandshakePackets(
 107                         engine, socketAddr, side, duplicates);
 108                 packets.addAll(duplicates);
 109             }
 110         }
 111 
 112         return finished;
 113     }
 114 }