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annotate src/ch/ethz/ssh2/transport/TransportManager.java @ 320:5afb8c1a54b9 ganymed

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add ecdsa key support everywhere
author Carl Byington <carl@five-ten-sg.com>
date Thu, 31 Jul 2014 08:36:33 -0700
parents 776a220dbcc6
children c19b24adf6c9
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1 /*
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2 * Copyright (c) 2006-2013 Christian Plattner. All rights reserved.
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3 * Please refer to the LICENSE.txt for licensing details.
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4 */
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5
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6 package ch.ethz.ssh2.transport;
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7
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8 import java.io.IOException;
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9 import java.io.InterruptedIOException;
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10 import java.net.Socket;
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11 import java.security.KeyPair;
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12 import java.util.ArrayList;
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13 import java.util.List;
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14
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15 import ch.ethz.ssh2.ConnectionInfo;
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16 import ch.ethz.ssh2.ConnectionMonitor;
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17 import ch.ethz.ssh2.DHGexParameters;
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18 import ch.ethz.ssh2.PacketTypeException;
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19 import ch.ethz.ssh2.compression.Compressor;
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20 import ch.ethz.ssh2.crypto.CryptoWishList;
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21 import ch.ethz.ssh2.crypto.cipher.BlockCipher;
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22 import ch.ethz.ssh2.crypto.digest.MAC;
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23 import ch.ethz.ssh2.log.Logger;
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24 import ch.ethz.ssh2.packets.PacketDisconnect;
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25 import ch.ethz.ssh2.packets.Packets;
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26 import ch.ethz.ssh2.packets.TypesReader;
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27
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28 /**
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29 * Yes, the "standard" is a big mess. On one side, the say that arbitrary channel
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30 * packets are allowed during kex exchange, on the other side we need to blindly
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31 * ignore the next _packet_ if the KEX guess was wrong. Where do we know from that
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32 * the next packet is not a channel data packet? Yes, we could check if it is in
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33 * the KEX range. But the standard says nothing about this. The OpenSSH guys
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34 * block local "normal" traffic during KEX. That's fine - however, they assume
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35 * that the other side is doing the same. During re-key, if they receive traffic
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36 * other than KEX, they become horribly irritated and kill the connection. Since
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37 * we are very likely going to communicate with OpenSSH servers, we have to play
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38 * the same game - even though we could do better.
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39 *
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40 * @author Christian Plattner
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41 * @version $Id: TransportManager.java 161 2014-05-01 18:01:55Z dkocher@sudo.ch $
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42 */
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43 public abstract class TransportManager {
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44 private static final Logger log = Logger.getLogger(TransportManager.class);
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45
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46 private static final class HandlerEntry {
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47 MessageHandler mh;
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48 int low;
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49 int high;
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50 }
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51
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52 /**
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53 * Advertised maximum SSH packet size that the other side can send to us.
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54 */
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55 public static final int MAX_PACKET_SIZE = 64 * 1024;
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56
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57 private final List<AsynchronousEntry> asynchronousQueue
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58 = new ArrayList<AsynchronousEntry>();
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59
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60 private Thread asynchronousThread = null;
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61 private boolean asynchronousPending = false;
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62
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63 private Socket socket;
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64
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65 protected TransportManager(final Socket socket) {
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66 this.socket = socket;
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67 }
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68
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69 private static final class AsynchronousEntry {
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70 public byte[] message;
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71
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72 public AsynchronousEntry(byte[] message) {
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73 this.message = message;
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74 }
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75 }
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76
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77 private final class AsynchronousWorker implements Runnable {
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78 public void run() {
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79 while (true) {
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80 final AsynchronousEntry item;
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81
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82 synchronized (asynchronousQueue) {
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83 if (asynchronousQueue.size() == 0) {
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84 // Only now we may reset the flag, since we are sure that all queued items
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85 // have been sent (there is a slight delay between de-queuing and sending,
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86 // this is why we need this flag! See code below. Sending takes place outside
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87 // of this lock, this is why a test for size()==0 (from another thread) does not ensure
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88 // that all messages have been sent.
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89 asynchronousPending = false;
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90 // Notify any senders that they can proceed, all async messages have been delivered
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91 asynchronousQueue.notifyAll();
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92
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93 // After the queue is empty for about 2 seconds, stop this thread
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94 try {
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95 asynchronousQueue.wait(2000);
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96 }
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97 catch (InterruptedException ignore) {
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98 //
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99 }
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100
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101 if (asynchronousQueue.size() == 0) {
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102 asynchronousThread = null;
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103 return;
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104 }
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105 }
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106
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107 item = asynchronousQueue.remove(0);
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108 }
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109
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110 try {
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111 sendMessageImmediate(item.message);
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112 }
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113 catch (IOException e) {
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114 // There is no point in handling it - it simply means that the connection has a problem and we should stop
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115 // sending asynchronously messages. We do not need to signal that we have exited (asynchronousThread = null):
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116 // further messages in the queue cannot be sent by this or any other thread.
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117 // Other threads will sooner or later (when receiving or sending the next message) get the
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118 // same IOException and get to the same conclusion.
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119 log.warning(e.getMessage());
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120 return;
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121 }
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122 }
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123 }
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124 }
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125
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126 private final Object connectionSemaphore = new Object();
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127
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128 private boolean flagKexOngoing;
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129
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130 private boolean connectionClosed;
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131 private Throwable reasonClosedCause;
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132
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133 private TransportConnection tc;
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134 private KexManager km;
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135
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136 private final List<HandlerEntry> messageHandlers
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137 = new ArrayList<HandlerEntry>();
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138
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139 private List<ConnectionMonitor> connectionMonitors
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140 = new ArrayList<ConnectionMonitor>();
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141
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142 protected void init(TransportConnection tc, KexManager km) {
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143 this.tc = tc;
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144 this.km = km;
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145 }
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146
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
147 public int getPacketOverheadEstimate() {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
148 return tc.getPacketOverheadEstimate();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
149 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
150
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
151 public ConnectionInfo getConnectionInfo(int kexNumber) throws IOException {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
152 return km.getOrWaitForConnectionInfo(kexNumber);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
153 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
154
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
155 public IOException getReasonClosedCause() {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
156 synchronized (connectionSemaphore) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
157 return reasonClosedCause;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
158 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
159 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
160
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
161 public byte[] getSessionIdentifier() {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
162 return km.sessionId;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
163 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
164
319
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
165 public void close(Throwable cause, boolean useDisconnectPacket) {
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
166 if (useDisconnectPacket == false) {
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
167 // OK, hard shutdown - do not acquire the semaphore,
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
168 // perhaps somebody is inside (and waits until
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
169 // the remote side is ready to accept new data).
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
170 try {
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
171 socket.close();
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
172 }
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
173 catch (IOException ignore) {
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
174 }
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
175 // OK, whoever tried to send data, should now agree that
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
176 // there is no point in further waiting =)
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
177 // It is safe now to acquire the semaphore.
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
178 }
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
179
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
180 synchronized (connectionSemaphore) {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
181 if (!connectionClosed) {
319
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
182 if (useDisconnectPacket == true) {
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
183 try {
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
184 if (tc != null)
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
185 tc.sendMessage(new PacketDisconnect(PacketDisconnect.Reason.SSH_DISCONNECT_BY_APPLICATION, "").getPayload());
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
186 }
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
187 catch (IOException ignore) {
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
188 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
189
319
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
190 try {
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
191 socket.close();
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
192 }
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
193 catch (IOException ignore) {
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
194 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
195
319
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
196 connectionClosed = true;
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
197 reasonClosedCause = cause;
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
198
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
199 synchronized (this) {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
200 for (ConnectionMonitor cmon : connectionMonitors) {
319
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
201 try {
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
202 cmon.connectionLost(reasonClosedCause);
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
203 }
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
204 catch (Exception ignore) {
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 307
diff changeset
205 }
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
206 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
207 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
208 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
209
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
210 connectionSemaphore.notifyAll();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
211 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
212 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
213
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
214 protected void startReceiver() throws IOException {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
215 final Thread receiveThread = new Thread(new Runnable() {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
216 public void run() {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
217 try {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
218 receiveLoop();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
219 // Can only exit with exception
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
220 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
221 catch (IOException e) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
222 close(e);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
223 log.warning(e.getMessage());
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
224
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
225 // Tell all handlers that it is time to say goodbye
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
226 if (km != null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
227 km.handleFailure(e);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
228 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
229
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
230 for (HandlerEntry he : messageHandlers) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
231 he.mh.handleFailure(e);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
232 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
233 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
234
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
235 if (log.isDebugEnabled()) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
236 log.debug("Receive thread: back from receiveLoop");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
237 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
238 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
239 });
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
240 receiveThread.setName("Transport Manager");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
241 receiveThread.setDaemon(true);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
242 receiveThread.start();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
243 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
244
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
245 public void registerMessageHandler(MessageHandler mh, int low, int high) {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
246 HandlerEntry he = new HandlerEntry();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
247 he.mh = mh;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
248 he.low = low;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
249 he.high = high;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
250
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
251 synchronized (messageHandlers) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
252 messageHandlers.add(he);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
253 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
254 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
255
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
256 public void removeMessageHandler(MessageHandler handler) {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
257 synchronized (messageHandlers) {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
258 for (int i = 0; i < messageHandlers.size(); i++) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
259 HandlerEntry he = messageHandlers.get(i);
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
260
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
261 if (he.mh == handler) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
262 messageHandlers.remove(i);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
263 break;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
264 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
265 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
266 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
267 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
268
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
269 public void sendKexMessage(byte[] msg) throws IOException {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
270 synchronized (connectionSemaphore) {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
271 if (connectionClosed) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
272 throw reasonClosedCause;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
273 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
274
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
275 flagKexOngoing = true;
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
276
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
277 try {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
278 tc.sendMessage(msg);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
279 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
280 catch (IOException e) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
281 close(e);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
282 throw e;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
283 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
284 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
285 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
286
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
287 public void kexFinished() throws IOException {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
288 synchronized (connectionSemaphore) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
289 flagKexOngoing = false;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
290 connectionSemaphore.notifyAll();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
291 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
292 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
293
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
294 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
295 * @param cwl Crypto wishlist
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
296 * @param dhgex Diffie-hellman group exchange
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
297 * @param dsa may be null if this is a client connection
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
298 * @param rsa may be null if this is a client connection
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
299 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
300 */
301
ca5dd224a87b add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 284
diff changeset
301 public void forceKeyExchange(CryptoWishList cwl, DHGexParameters dhgex, KeyPair dsa, KeyPair rsa, KeyPair ec)
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
302 throws IOException {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
303 synchronized (connectionSemaphore) {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
304 if (connectionClosed) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
305 // Inform the caller that there is no point in triggering a new kex
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
306 throw reasonClosedCause;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
307 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
308 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
309
301
ca5dd224a87b add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 284
diff changeset
310 km.initiateKEX(cwl, dhgex, dsa, rsa, ec);
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
311 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
312
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
313 public void changeRecvCipher(BlockCipher bc, MAC mac) {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
314 tc.changeRecvCipher(bc, mac);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
315 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
316
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
317 public void changeSendCipher(BlockCipher bc, MAC mac) {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
318 tc.changeSendCipher(bc, mac);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
319 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
320
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
321 public void changeRecvCompression(Compressor comp) {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
322 tc.changeRecvCompression(comp);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
323 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
324
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
325 public void changeSendCompression(Compressor comp) {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
326 tc.changeSendCompression(comp);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
327 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
328
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
329 public void sendAsynchronousMessage(byte[] msg) throws IOException {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
330 synchronized (asynchronousQueue) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
331 asynchronousQueue.add(new AsynchronousEntry(msg));
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
332 asynchronousPending = true;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
333
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
334 /* This limit should be flexible enough. We need this, otherwise the peer
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
335 * can flood us with global requests (and other stuff where we have to reply
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
336 * with an asynchronous message) and (if the server just sends data and does not
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
337 * read what we send) this will probably put us in a low memory situation
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
338 * (our send queue would grow and grow and...) */
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
339
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
340 if (asynchronousQueue.size() > 100) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
341 throw new IOException("The peer is not consuming our asynchronous replies.");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
342 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
343
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
344 // Check if we have an asynchronous sending thread
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
345 if (asynchronousThread == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
346 asynchronousThread = new Thread(new AsynchronousWorker());
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
347 asynchronousThread.setDaemon(true);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
348 asynchronousThread.start();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
349 // The thread will stop after 2 seconds of inactivity (i.e., empty queue)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
350 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
351
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
352 asynchronousQueue.notifyAll();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
353 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
354 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
355
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
356 public void setConnectionMonitors(List<ConnectionMonitor> monitors) {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
357 synchronized (this) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
358 connectionMonitors = new ArrayList<ConnectionMonitor>();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
359 connectionMonitors.addAll(monitors);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
360 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
361 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
362
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
363 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
364 * Send a message but ensure that all queued messages are being sent first.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
365 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
366 * @param msg Message
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
367 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
368 */
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
369 public void sendMessage(byte[] msg) throws IOException {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
370 synchronized (asynchronousQueue) {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
371 while (asynchronousPending) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
372 try {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
373 asynchronousQueue.wait();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
374 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
375 catch (InterruptedException e) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
376 throw new InterruptedIOException(e.getMessage());
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
377 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
378 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
379 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
380
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
381 sendMessageImmediate(msg);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
382 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
383
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
384 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
385 * Send message, ignore queued async messages that have not been delivered yet.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
386 * Will be called directly from the asynchronousThread thread.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
387 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
388 * @param msg Message
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
389 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
390 */
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
391 public void sendMessageImmediate(byte[] msg) throws IOException {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
392 synchronized (connectionSemaphore) {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
393 while (true) {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
394 if (connectionClosed) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
395 throw reasonClosedCause;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
396 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
397
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
398 if (!flagKexOngoing) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
399 break;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
400 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
401
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
402 try {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
403 connectionSemaphore.wait();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
404 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
405 catch (InterruptedException e) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
406 throw new InterruptedIOException(e.getMessage());
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
407 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
408 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
409
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
410 try {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
411 tc.sendMessage(msg);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
412 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
413 catch (IOException e) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
414 close(e);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
415 throw e;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
416 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
417 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
418 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
419
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
420 private void receiveLoop() throws IOException {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
421 while (true) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
422 final byte[] buffer = new byte[MAX_PACKET_SIZE];
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
423 final int length = tc.receiveMessage(buffer, 0, buffer.length);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
424 final byte[] packet = new byte[length];
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
425 System.arraycopy(buffer, 0, packet, 0, length);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
426 final int type = packet[0] & 0xff;
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
427
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
428 switch (type) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
429 case Packets.SSH_MSG_IGNORE:
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
430 break;
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
431
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
432 case Packets.SSH_MSG_DEBUG: {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
433 TypesReader tr = new TypesReader(packet);
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
434 tr.readByte();
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
435 // always_display
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
436 tr.readBoolean();
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
437 String message = tr.readString();
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
438
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
439 if (log.isDebugEnabled()) {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
440 log.debug(String.format("Debug message from remote: '%s'", message));
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
441 }
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
442
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
443 break;
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
444 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
445
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
446 case Packets.SSH_MSG_UNIMPLEMENTED:
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
447 throw new PacketTypeException(type);
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
448
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
449 case Packets.SSH_MSG_DISCONNECT: {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
450 final PacketDisconnect disconnect = new PacketDisconnect(packet);
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
451 throw new DisconnectException(disconnect.getReason(), disconnect.getMessage());
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
452 }
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
453
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
454 case Packets.SSH_MSG_KEXINIT:
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
455 case Packets.SSH_MSG_NEWKEYS:
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
456 case Packets.SSH_MSG_KEXDH_INIT:
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
457 case Packets.SSH_MSG_KEXDH_REPLY:
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
458 case Packets.SSH_MSG_KEX_DH_GEX_REQUEST:
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
459 case Packets.SSH_MSG_KEX_DH_GEX_INIT:
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
460 case Packets.SSH_MSG_KEX_DH_GEX_REPLY:
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
461 // Is it a KEX Packet
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
462 km.handleMessage(packet);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
463 break;
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
464
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
465 case Packets.SSH_MSG_USERAUTH_SUCCESS:
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
466 tc.startCompression();
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
467
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
468 // Continue with message handlers
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
469 default:
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
470 boolean handled = false;
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
471
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
472 for (HandlerEntry handler : messageHandlers) {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
473 if ((handler.low <= type) && (type <= handler.high)) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
474 handler.mh.handleMessage(packet);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
475 handled = true;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
476 break;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
477 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
478 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
479
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
480 if (!handled) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
481 throw new PacketTypeException(type);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
482 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
483
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
484 break;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
485 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
486
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
487 if (log.isDebugEnabled()) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
488 log.debug(String.format("Handled packet %d", type));
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
489 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
490 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
491 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
492 }