annotate app/src/main/java/ch/ethz/ssh2/Connection.java @ 475:0fb80a0d6be9

add fg/bg color setting to global:// section of deployment.connections file
author Carl Byington <carl@five-ten-sg.com>
date Sun, 20 Oct 2019 14:08:46 -0700
parents d29cce60f393
children 7953570e5210
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1 /*
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2 * Copyright (c) 2006-2011 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;
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7
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8 import java.io.CharArrayWriter;
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9 import java.io.File;
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10 import java.io.FileReader;
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11 import java.io.IOException;
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12 import java.net.InetSocketAddress;
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13 import java.net.Socket;
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14 import java.net.SocketTimeoutException;
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15 import java.security.KeyPair;
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16 import java.util.ArrayList;
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17 import java.util.List;
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18 import java.util.Set;
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19
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20 import ch.ethz.ssh2.auth.AgentProxy;
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21 import ch.ethz.ssh2.auth.AuthenticationManager;
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22 import ch.ethz.ssh2.channel.ChannelManager;
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23 import ch.ethz.ssh2.compression.CompressionFactory;
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24 import ch.ethz.ssh2.crypto.CryptoWishList;
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25 import ch.ethz.ssh2.crypto.SecureRandomFix;
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26 import ch.ethz.ssh2.crypto.cipher.BlockCipherFactory;
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27 import ch.ethz.ssh2.crypto.digest.MAC;
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28 import ch.ethz.ssh2.log.Logger;
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29 import ch.ethz.ssh2.packets.PacketIgnore;
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30 import ch.ethz.ssh2.transport.ClientTransportManager;
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31 import ch.ethz.ssh2.transport.HTTPProxyClientTransportManager;
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32 import ch.ethz.ssh2.transport.KexManager;
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33 import ch.ethz.ssh2.util.TimeoutService.TimeoutToken;
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34 import ch.ethz.ssh2.util.TimeoutService;
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35
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36 /**
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37 * A <code>Connection</code> is used to establish an encrypted TCP/IP
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38 * connection to a SSH-2 server.
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39 * <p/>
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40 * Typically, one
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41 * <ol>
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42 * <li>creates a {@link #Connection(String) Connection} object.</li>
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43 * <li>calls the {@link #connect() connect()} method.</li>
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44 * <li>calls some of the authentication methods (e.g., {@link #authenticateWithPublicKey(String, File, String) authenticateWithPublicKey()}).</li>
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45 * <li>calls one or several times the {@link #openSession() openSession()} method.</li>
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46 * <li>finally, one must close the connection and release resources with the {@link #close() close()} method.</li>
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47 * </ol>
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48 *
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49 * @author Christian Plattner
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50 * @version $Id: Connection.java 160 2014-05-01 14:30:26Z dkocher@sudo.ch $
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51 */
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52
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53 public class Connection {
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54 protected static final Logger log = Logger.getLogger(Connection.class);
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55
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56 /**
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57 * The identifier presented to the SSH-2 server. This is the same
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58 * as the "softwareversion" defined in RFC 4253.
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59 * <p/>
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60 * <b>NOTE: As per the RFC, the "softwareversion" string MUST consist of printable
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61 * US-ASCII characters, with the exception of whitespace characters and the minus sign (-).</b>
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62 */
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63 private String softwareversion
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64 = String.format("Ganymed_%s", Version.getSpecification());
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65
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66 /* Will be used to generate all random data needed for the current connection.
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67 * Note: SecureRandom.nextBytes() is thread safe.
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68 */
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69
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70 private SecureRandomFix generator;
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72 /**
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73 * Unless you know what you are doing, you will never need this.
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74 *
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75 * @return The list of supported cipher algorithms by this implementation.
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76 */
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77
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78 public static synchronized String[] getAvailableCiphers() {
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79 return BlockCipherFactory.getDefaultCipherList();
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80 }
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81
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82 /**
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83 * Unless you know what you are doing, you will never need this.
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84 *
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85 * @return The list of supported MAC algorthims by this implementation.
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86 */
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87
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88 public static synchronized String[] getAvailableMACs() {
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89 return MAC.getMacList();
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90 }
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91
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92 /**
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93 * Unless you know what you are doing, you will never need this.
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94 *
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95 * @return The list of supported server host key algorthims by this implementation.
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96 */
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97
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98 public static synchronized String[] getAvailableServerHostKeyAlgorithms() {
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99 return KexManager.getDefaultServerHostkeyAlgorithmList();
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100 }
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101
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102 private AuthenticationManager am;
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103
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104 private boolean authenticated;
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105 private ChannelManager cm;
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106
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107 private CryptoWishList cryptoWishList
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108 = new CryptoWishList();
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109
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110 private DHGexParameters dhgexpara
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111 = new DHGexParameters();
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112
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113 private final String hostname;
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114
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115 private final int port;
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116
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117 private ClientTransportManager tm;
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118
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119 private boolean tcpNoDelay = false;
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120
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121 private HTTPProxyData proxy;
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122
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123 private List<ConnectionMonitor> connectionMonitors
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124 = new ArrayList<ConnectionMonitor>();
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125
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126 /**
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127 * Prepares a fresh <code>Connection</code> object which can then be used
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128 * to establish a connection to the specified SSH-2 server.
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129 * <p/>
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130 * Same as {@link #Connection(String, int) Connection(hostname, 22)}.
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131 *
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132 * @param hostname the hostname of the SSH-2 server.
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133 */
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134 public Connection(String hostname) {
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135 this(hostname, 22);
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136 }
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137
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138 /**
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139 * Prepares a fresh <code>Connection</code> object which can then be used
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140 * to establish a connection to the specified SSH-2 server.
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141 *
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142 * @param hostname the host where we later want to connect to.
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143 * @param port port on the server, normally 22.
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144 */
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145 public Connection(String hostname, int port) {
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146 this.hostname = hostname;
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147 this.port = port;
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148 }
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149
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150 /**
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151 * Prepares a fresh <code>Connection</code> object which can then be used
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152 * to establish a connection to the specified SSH-2 server.
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153 *
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154 * @param hostname the host where we later want to connect to.
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155 * @param port port on the server, normally 22.
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156 * @param softwareversion Allows you to set a custom "softwareversion" string as defined in RFC 4253.
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157 * <b>NOTE: As per the RFC, the "softwareversion" string MUST consist of printable
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158 * US-ASCII characters, with the exception of whitespace characters and the minus sign (-).</b>
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159 */
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160 public Connection(String hostname, int port, String softwareversion) {
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161 this.hostname = hostname;
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162 this.port = port;
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163 this.softwareversion = softwareversion;
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164 }
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165
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166 public Connection(String hostname, int port, final HTTPProxyData proxy) {
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167 this.hostname = hostname;
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168 this.port = port;
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169 this.proxy = proxy;
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170 }
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171
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172 public Connection(String hostname, int port, String softwareversion, final HTTPProxyData proxy) {
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173 this.hostname = hostname;
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174 this.port = port;
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175 this.softwareversion = softwareversion;
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176 this.proxy = proxy;
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177 }
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178
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179 /**
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180 * After a successful connect, one has to authenticate oneself. This method
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181 * is based on DSA (it uses DSA to sign a challenge sent by the server).
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182 * <p/>
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183 * If the authentication phase is complete, <code>true</code> will be
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184 * returned. If the server does not accept the request (or if further
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185 * authentication steps are needed), <code>false</code> is returned and
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186 * one can retry either by using this or any other authentication method
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187 * (use the <code>getRemainingAuthMethods</code> method to get a list of
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188 * the remaining possible methods).
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189 *
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190 * @param user A <code>String</code> holding the username.
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191 * @param pem A <code>String</code> containing the DSA private key of the
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192 * user in OpenSSH key format (PEM, you can't miss the
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193 * "-----BEGIN DSA PRIVATE KEY-----" tag). The string may contain
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194 * linefeeds.
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195 * @param password If the PEM string is 3DES encrypted ("DES-EDE3-CBC"), then you
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196 * must specify the password. Otherwise, this argument will be
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197 * ignored and can be set to <code>null</code>.
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198 * @return whether the connection is now authenticated.
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199 * @throws IOException
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200 * @deprecated You should use one of the {@link #authenticateWithPublicKey(String, File, String) authenticateWithPublicKey()}
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201 * methods, this method is just a wrapper for it and will
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202 * disappear in future builds.
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203 */
305
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204 @Deprecated
307
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205
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206 public synchronized boolean authenticateWithDSA(String user, String pem, String password) throws IOException {
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207 if (tm == null) {
273
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208 throw new IllegalStateException("Connection is not established!");
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209 }
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210
307
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211 if (authenticated) {
273
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212 throw new IllegalStateException("Connection is already authenticated!");
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213 }
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214
307
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215 if (am == null) {
273
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216 am = new AuthenticationManager(tm);
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217 }
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218
307
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219 if (cm == null) {
273
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220 cm = new ChannelManager(tm);
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221 }
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222
307
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223 if (user == null) {
273
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224 throw new IllegalArgumentException("user argument is null");
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225 }
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226
307
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227 if (pem == null) {
273
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228 throw new IllegalArgumentException("pem argument is null");
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229 }
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230
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231 authenticated = am.authenticatePublicKey(user, pem.toCharArray(), password, getOrCreateSecureRND());
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232 return authenticated;
91a31873c42a start conversion from trilead to ganymed
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233 }
91a31873c42a start conversion from trilead to ganymed
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234
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
235 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
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236 * A wrapper that calls {@link #authenticateWithKeyboardInteractive(String, String[], InteractiveCallback)
91a31873c42a start conversion from trilead to ganymed
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237 * authenticateWithKeyboardInteractivewith} a <code>null</code> submethod list.
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238 *
91a31873c42a start conversion from trilead to ganymed
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239 * @param user A <code>String</code> holding the username.
91a31873c42a start conversion from trilead to ganymed
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240 * @param cb An <code>InteractiveCallback</code> which will be used to
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parents:
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241 * determine the responses to the questions asked by the server.
91a31873c42a start conversion from trilead to ganymed
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parents:
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242 * @return whether the connection is now authenticated.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
243 * @throws IOException
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diff changeset
244 */
307
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245
273
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246 public synchronized boolean authenticateWithKeyboardInteractive(String user, InteractiveCallback cb)
307
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247 throws IOException {
273
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248 return authenticateWithKeyboardInteractive(user, null, cb);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
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249 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
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250
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
251 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
252 * After a successful connect, one has to authenticate oneself. This method
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
253 * is based on "keyboard-interactive", specified in
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
254 * draft-ietf-secsh-auth-kbdinteract-XX. Basically, you have to define a
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
255 * callback object which will be feeded with challenges generated by the
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
256 * server. Answers are then sent back to the server. It is possible that the
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257 * callback will be called several times during the invocation of this
91a31873c42a start conversion from trilead to ganymed
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diff changeset
258 * method (e.g., if the server replies to the callback's answer(s) with
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parents:
diff changeset
259 * another challenge...)
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
260 * <p/>
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
261 * If the authentication phase is complete, <code>true</code> will be
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
262 * returned. If the server does not accept the request (or if further
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
263 * authentication steps are needed), <code>false</code> is returned and
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
264 * one can retry either by using this or any other authentication method
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
265 * (use the <code>getRemainingAuthMethods</code> method to get a list of
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
266 * the remaining possible methods).
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
267 * <p/>
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
268 * Note: some SSH servers advertise "keyboard-interactive", however, any
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parents:
diff changeset
269 * interactive request will be denied (without having sent any challenge to
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parents:
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270 * the client).
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parents:
diff changeset
271 *
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parents:
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272 * @param user A <code>String</code> holding the username.
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parents:
diff changeset
273 * @param submethods An array of submethod names, see
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parents:
diff changeset
274 * draft-ietf-secsh-auth-kbdinteract-XX. May be <code>null</code>
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parents:
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275 * to indicate an empty list.
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parents:
diff changeset
276 * @param cb An <code>InteractiveCallback</code> which will be used to
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diff changeset
277 * determine the responses to the questions asked by the server.
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
278 * @return whether the connection is now authenticated.
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parents:
diff changeset
279 * @throws IOException
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diff changeset
280 */
307
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diff changeset
281
273
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282 public synchronized boolean authenticateWithKeyboardInteractive(String user, String[] submethods,
307
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diff changeset
283 InteractiveCallback cb) throws IOException {
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284 if (cb == null) {
273
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285 throw new IllegalArgumentException("Callback may not ne NULL!");
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diff changeset
286 }
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287
307
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288 if (tm == null) {
273
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289 throw new IllegalStateException("Connection is not established!");
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diff changeset
290 }
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291
307
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diff changeset
292 if (authenticated) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
293 throw new IllegalStateException("Connection is already authenticated!");
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
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
296 if (am == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
297 am = new AuthenticationManager(tm);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
298 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
299
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
300 if (cm == null) {
273
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
301 cm = new ChannelManager(tm);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
302 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
303
307
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Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
304 if (user == null) {
273
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
305 throw new IllegalArgumentException("user argument is null");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
306 }
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 authenticated = am.authenticateInteractive(user, submethods, cb);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
309 return authenticated;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
310 }
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 public synchronized boolean authenticateWithAgent(String user, AgentProxy proxy) throws IOException {
307
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parents: 305
diff changeset
313 if (tm == null) {
273
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
314 throw new IllegalStateException("Connection is not established!");
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
307
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Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
317 if (authenticated) {
273
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
318 throw new IllegalStateException("Connection is already authenticated!");
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
307
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Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
321 if (am == null) {
273
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
322 am = new AuthenticationManager(tm);
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
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
325 if (cm == null) {
273
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
326 cm = new ChannelManager(tm);
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
307
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Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
329 if (user == null) {
273
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
330 throw new IllegalArgumentException("user argument is null");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
331 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
332
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
333 authenticated = am.authenticatePublicKey(user, proxy);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
334 return authenticated;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
335 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
336
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
337 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
338 * After a successful connect, one has to authenticate oneself. This method
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
339 * sends username and password to the server.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
340 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
341 * If the authentication phase is complete, <code>true</code> will be
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
342 * returned. If the server does not accept the request (or if further
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
343 * authentication steps are needed), <code>false</code> is returned and
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
344 * one can retry either by using this or any other authentication method
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
345 * (use the <code>getRemainingAuthMethods</code> method to get a list of
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
346 * the remaining possible methods).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
347 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
348 * Note: if this method fails, then please double-check that it is actually
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
349 * offered by the server (use {@link #getRemainingAuthMethods(String) getRemainingAuthMethods()}.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
350 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
351 * Often, password authentication is disabled, but users are not aware of it.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
352 * Many servers only offer "publickey" and "keyboard-interactive". However,
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
353 * even though "keyboard-interactive" *feels* like password authentication
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
354 * (e.g., when using the putty or openssh clients) it is *not* the same mechanism.
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 * @param user
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
357 * @param password
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
358 * @return if the connection is now authenticated.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
359 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
360 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
361
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
362 public synchronized boolean authenticateWithPassword(String user, String password) throws IOException {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
363 if (tm == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
364 throw new IllegalStateException("Connection is not established!");
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
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
367 if (authenticated) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
368 throw new IllegalStateException("Connection is already authenticated!");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
369 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
370
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
371 if (am == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
372 am = new AuthenticationManager(tm);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
373 }
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 if (cm == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
376 cm = new ChannelManager(tm);
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
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
379 if (user == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
380 throw new IllegalArgumentException("user argument is null");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
381 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
382
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
383 if (password == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
384 throw new IllegalArgumentException("password argument is null");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
385 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
386
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
387 authenticated = am.authenticatePassword(user, password);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
388 return authenticated;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
389 }
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 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
392 * After a successful connect, one has to authenticate oneself.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
393 * This method can be used to explicitly use the special "none"
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
394 * authentication method (where only a username has to be specified).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
395 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
396 * Note 1: The "none" method may always be tried by clients, however as by
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
397 * the specs, the server will not explicitly announce it. In other words,
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
398 * the "none" token will never show up in the list returned by
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
399 * {@link #getRemainingAuthMethods(String)}.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
400 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
401 * Note 2: no matter which one of the authenticateWithXXX() methods
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
402 * you call, the library will always issue exactly one initial "none"
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
403 * authentication request to retrieve the initially allowed list of
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
404 * authentication methods by the server. Please read RFC 4252 for the
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
405 * details.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
406 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
407 * If the authentication phase is complete, <code>true</code> will be
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
408 * returned. If further authentication steps are needed, <code>false</code>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
409 * is returned and one can retry by any other authentication method
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
410 * (use the <code>getRemainingAuthMethods</code> method to get a list of
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
411 * the remaining possible methods).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
412 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
413 * @param user
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
414 * @return if the connection is now authenticated.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
415 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
416 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
417
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
418 public synchronized boolean authenticateWithNone(String user) throws IOException {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
419 if (tm == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
420 throw new IllegalStateException("Connection is not established!");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
421 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
422
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
423 if (authenticated) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
424 throw new IllegalStateException("Connection is already authenticated!");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
425 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
426
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
427 if (am == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
428 am = new AuthenticationManager(tm);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
429 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
430
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
431 if (cm == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
432 cm = new ChannelManager(tm);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
433 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
434
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
435 if (user == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
436 throw new IllegalArgumentException("user argument is null");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
437 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
438
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
439 /* Trigger the sending of the PacketUserauthRequestNone packet */
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
440 /* (if not already done) */
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
441 authenticated = am.authenticateNone(user);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
442 return authenticated;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
443 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
444
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
445 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
446 * After a successful connect, one has to authenticate oneself.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
447 * The authentication method "publickey" works by signing a challenge
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
448 * sent by the server. The signature is either DSA or RSA based - it
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
449 * just depends on the type of private key you specify, either a DSA
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
450 * or RSA private key in PEM format. And yes, this is may seem to be a
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
451 * little confusing, the method is called "publickey" in the SSH-2 protocol
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
452 * specification, however since we need to generate a signature, you
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
453 * actually have to supply a private key =).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
454 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
455 * The private key contained in the PEM file may also be encrypted ("Proc-Type: 4,ENCRYPTED").
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
456 * The library supports DES-CBC and DES-EDE3-CBC encryption, as well
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
457 * as the more exotic PEM encrpytions AES-128-CBC, AES-192-CBC and AES-256-CBC.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
458 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
459 * If the authentication phase is complete, <code>true</code> will be
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
460 * returned. If the server does not accept the request (or if further
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
461 * authentication steps are needed), <code>false</code> is returned and
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
462 * one can retry either by using this or any other authentication method
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
463 * (use the <code>getRemainingAuthMethods</code> method to get a list of
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
464 * the remaining possible methods).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
465 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
466 * NOTE PUTTY USERS: Event though your key file may start with "-----BEGIN..."
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
467 * it is not in the expected format. You have to convert it to the OpenSSH
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
468 * key format by using the "puttygen" tool (can be downloaded from the Putty
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
469 * website). Simply load your key and then use the "Conversions/Export OpenSSH key"
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
470 * functionality to get a proper PEM file.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
471 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
472 * @param user A <code>String</code> holding the username.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
473 * @param pemPrivateKey A <code>char[]</code> containing a DSA or RSA private key of the
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
474 * user in OpenSSH key format (PEM, you can't miss the
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
475 * "-----BEGIN DSA PRIVATE KEY-----" or "-----BEGIN RSA PRIVATE KEY-----"
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
476 * tag). The char array may contain linebreaks/linefeeds.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
477 * @param password If the PEM structure is encrypted ("Proc-Type: 4,ENCRYPTED") then
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
478 * you must specify a password. Otherwise, this argument will be ignored
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
479 * and can be set to <code>null</code>.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
480 * @return whether the connection is now authenticated.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
481 * @throws IOException
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 public synchronized boolean authenticateWithPublicKey(String user, char[] pemPrivateKey, String password)
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
485 throws IOException {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
486 if (tm == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
487 throw new IllegalStateException("Connection is not established!");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
488 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
489
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
490 if (authenticated) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
491 throw new IllegalStateException("Connection is already authenticated!");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
492 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
493
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
494 if (am == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
495 am = new AuthenticationManager(tm);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
496 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
497
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
498 if (cm == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
499 cm = new ChannelManager(tm);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
500 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
501
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
502 if (user == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
503 throw new IllegalArgumentException("user argument is null");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
504 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
505
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
506 if (pemPrivateKey == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
507 throw new IllegalArgumentException("pemPrivateKey argument is null");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
508 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
509
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
510 authenticated = am.authenticatePublicKey(user, pemPrivateKey, password, getOrCreateSecureRND());
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
511 return authenticated;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
512 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
513
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
514 /**
285
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
515 * After a successful connect, one has to authenticate oneself. The
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
516 * authentication method "publickey" works by signing a challenge sent by
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
517 * the server. The signature is either DSA or RSA based - it just depends on
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
518 * the type of private key you specify, either a DSA or RSA private key in
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
519 * PEM format. And yes, this is may seem to be a little confusing, the
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
520 * method is called "publickey" in the SSH-2 protocol specification, however
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
521 * since we need to generate a signature, you actually have to supply a
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
522 * private key =).
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
523 * <p>
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
524 * If the authentication phase is complete, <code>true</code> will be
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
525 * returned. If the server does not accept the request (or if further
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
526 * authentication steps are needed), <code>false</code> is returned and
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
527 * one can retry either by using this or any other authentication method
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
528 * (use the <code>getRemainingAuthMethods</code> method to get a list of
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
529 * the remaining possible methods).
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
530 *
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
531 * @param user
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
532 * A <code>String</code> holding the username.
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
533 * @param pair
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
534 * A <code>RSAPrivateKey</code> or <code>DSAPrivateKey</code>
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
535 * containing a DSA or RSA private key of
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
536 * the user in Trilead object format.
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
537 *
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
538 * @return whether the connection is now authenticated.
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
539 * @throws IOException
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
540 */
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
541
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
542 public synchronized boolean authenticateWithPublicKey(String user, KeyPair pair)
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
543 throws IOException {
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
544 if (tm == null)
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
545 throw new IllegalStateException("Connection is not established!");
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
546
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
547 if (authenticated)
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
548 throw new IllegalStateException("Connection is already authenticated!");
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
549
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
550 if (am == null)
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
551 am = new AuthenticationManager(tm);
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
552
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
553 if (cm == null)
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
554 cm = new ChannelManager(tm);
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
555
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
556 if (user == null)
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
557 throw new IllegalArgumentException("user argument is null");
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
558
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
559 if (pair == null)
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
560 throw new IllegalArgumentException("Key pair argument is null");
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
561
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
562 authenticated = am.authenticatePublicKey(user, pair, getOrCreateSecureRND());
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
563 return authenticated;
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
564 }
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
565
486df527ddc5 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 273
diff changeset
566 /**
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
567 * A convenience wrapper function which reads in a private key (PEM format, either DSA or RSA)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
568 * and then calls <code>authenticateWithPublicKey(String, char[], String)</code>.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
569 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
570 * NOTE PUTTY USERS: Event though your key file may start with "-----BEGIN..."
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
571 * it is not in the expected format. You have to convert it to the OpenSSH
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
572 * key format by using the "puttygen" tool (can be downloaded from the Putty
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
573 * website). Simply load your key and then use the "Conversions/Export OpenSSH key"
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
574 * functionality to get a proper PEM file.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
575 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
576 * @param user A <code>String</code> holding the username.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
577 * @param pemFile A <code>File</code> object pointing to a file containing a DSA or RSA
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
578 * private key of the user in OpenSSH key format (PEM, you can't miss the
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
579 * "-----BEGIN DSA PRIVATE KEY-----" or "-----BEGIN RSA PRIVATE KEY-----"
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
580 * tag).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
581 * @param password If the PEM file is encrypted then you must specify the password.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
582 * Otherwise, this argument will be ignored and can be set to <code>null</code>.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
583 * @return whether the connection is now authenticated.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
584 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
585 */
307
071eccdff8ea fix java formatting
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parents: 305
diff changeset
586
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
587 public synchronized boolean authenticateWithPublicKey(String user, File pemFile, String password)
307
071eccdff8ea fix java formatting
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parents: 305
diff changeset
588 throws IOException {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
589 if (pemFile == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
590 throw new IllegalArgumentException("pemFile argument is null");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
591 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
592
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
593 char[] buff = new char[256];
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
594 CharArrayWriter cw = new CharArrayWriter();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
595 FileReader fr = new FileReader(pemFile);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
596
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
597 while (true) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
598 int len = fr.read(buff);
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
599
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
600 if (len < 0) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
601 break;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
602 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
603
273
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
604 cw.write(buff, 0, len);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
605 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
606
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
607 fr.close();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
608 return authenticateWithPublicKey(user, cw.toCharArray(), password);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
609 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
610
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
611 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
612 * Add a {@link ConnectionMonitor} to this connection. Can be invoked at any time,
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
613 * but it is best to add connection monitors before invoking
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
614 * <code>connect()</code> to avoid glitches (e.g., you add a connection monitor after
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
615 * a successful connect(), but the connection has died in the mean time. Then,
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
616 * your connection monitor won't be notified.)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
617 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
618 * You can add as many monitors as you like. If a monitor has already been added, then
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
619 * this method does nothing.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
620 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
621 * @param cmon An object implementing the {@link ConnectionMonitor} interface.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
622 * @see ConnectionMonitor
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
623 */
307
071eccdff8ea fix java formatting
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parents: 305
diff changeset
624
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
625 public synchronized void addConnectionMonitor(ConnectionMonitor cmon) {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
626 if (!connectionMonitors.contains(cmon)) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
627 connectionMonitors.add(cmon);
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
628
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
629 if (tm != null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
630 tm.setConnectionMonitors(connectionMonitors);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
631 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
632 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
633 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
634
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
635 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
636 * Remove a {@link ConnectionMonitor} from this connection.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
637 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
638 * @param cmon
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
639 * @return whether the monitor could be removed
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
640 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
641
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
642 public synchronized boolean removeConnectionMonitor(ConnectionMonitor cmon) {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
643 boolean existed = connectionMonitors.remove(cmon);
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
644
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
645 if (tm != null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
646 tm.setConnectionMonitors(connectionMonitors);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
647 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
648
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
649 return existed;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
650 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
651
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
652 /**
287
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
653 * Controls whether compression is used on the link or not.
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
654 * <p>
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
655 * Note: This can only be called before connect()
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
656 * @param enabled whether to enable compression
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
657 * @throws IOException
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
658 */
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
659
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
660 public synchronized void setCompression(boolean enabled) throws IOException {
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
661 if (tm != null)
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
662 throw new IOException("Connection to " + hostname + " is already in connected state!");
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
663
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
664 if (enabled) enableCompression();
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
665 else disableCompression();
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
666 }
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
667
db9b028016de start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 285
diff changeset
668 /**
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
669 * Close the connection to the SSH-2 server. All assigned sessions will be
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
670 * closed, too. Can be called at any time. Don't forget to call this once
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
671 * you don't need a connection anymore - otherwise the receiver thread may
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
672 * run forever.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
673 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
674
373
2768eb029d73 debug kex error
Carl Byington <carl@five-ten-sg.com>
parents: 372
diff changeset
675 // cannot be synchronized, since Connection.connect() is synchronized, and
2768eb029d73 debug kex error
Carl Byington <carl@five-ten-sg.com>
parents: 372
diff changeset
676 // if the key exchange fails, another thread will try to close().
2768eb029d73 debug kex error
Carl Byington <carl@five-ten-sg.com>
parents: 372
diff changeset
677
2768eb029d73 debug kex error
Carl Byington <carl@five-ten-sg.com>
parents: 372
diff changeset
678 public void close() {
369
7a5943a514d5 debug kex error
Carl Byington <carl@five-ten-sg.com>
parents: 365
diff changeset
679 log.debug("Connection.close()");
319
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 317
diff changeset
680 Throwable t = new Throwable("Closed due to user request.");
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 317
diff changeset
681 close(t, false);
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 317
diff changeset
682 }
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 317
diff changeset
683
373
2768eb029d73 debug kex error
Carl Byington <carl@five-ten-sg.com>
parents: 372
diff changeset
684 public void close(Throwable t, boolean hard) {
371
071a1ff9b6bf debug kex error
Carl Byington <carl@five-ten-sg.com>
parents: 369
diff changeset
685 log.debug(String.format("Connection.close(%s hard=%b)", t.getMessage(), hard));
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
686 if (cm != null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
687 cm.closeAllChannels();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
688 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
689
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
690 if (tm != null) {
319
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 317
diff changeset
691 tm.close(t, hard == false);
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
692 tm = null;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
693 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
694
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
695 am = null;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
696 cm = null;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
697 authenticated = false;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
698 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
699
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
700 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
701 * Same as {@link #connect(ServerHostKeyVerifier, int, int) connect(null, 0, 0)}.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
702 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
703 * @return see comments for the {@link #connect(ServerHostKeyVerifier, int, int) connect(ServerHostKeyVerifier, int, int)} method.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
704 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
705 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
706
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
707 public synchronized ConnectionInfo connect() throws IOException {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
708 return connect(null, 0, 0);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
709 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
710
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
711 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
712 * Same as {@link #connect(ServerHostKeyVerifier, int, int) connect(verifier, 0, 0)}.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
713 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
714 * @return see comments for the {@link #connect(ServerHostKeyVerifier, int, int) connect(ServerHostKeyVerifier, int, int)} method.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
715 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
716 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
717
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
718 public synchronized ConnectionInfo connect(ServerHostKeyVerifier verifier) throws IOException {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
719 return connect(verifier, 0, 0);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
720 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
721
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
722 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
723 * Connect to the SSH-2 server and, as soon as the server has presented its
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
724 * host key, use the {@link ServerHostKeyVerifier#verifyServerHostKey(String,
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
725 * int, String, byte[]) ServerHostKeyVerifier.verifyServerHostKey()}
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
726 * method of the <code>verifier</code> to ask for permission to proceed.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
727 * If <code>verifier</code> is <code>null</code>, then any host key will be
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
728 * accepted - this is NOT recommended, since it makes man-in-the-middle attackes
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
729 * VERY easy (somebody could put a proxy SSH server between you and the real server).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
730 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
731 * Note: The verifier will be called before doing any crypto calculations
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
732 * (i.e., diffie-hellman). Therefore, if you don't like the presented host key then
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
733 * no CPU cycles are wasted (and the evil server has less information about us).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
734 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
735 * However, it is still possible that the server presented a fake host key: the server
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
736 * cheated (typically a sign for a man-in-the-middle attack) and is not able to generate
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
737 * a signature that matches its host key. Don't worry, the library will detect such
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
738 * a scenario later when checking the signature (the signature cannot be checked before
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
739 * having completed the diffie-hellman exchange).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
740 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
741 * Note 2: The {@link ServerHostKeyVerifier#verifyServerHostKey(String,
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
742 * int, String, byte[]) ServerHostKeyVerifier.verifyServerHostKey()} method
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
743 * will *NOT* be called from the current thread, the call is being made from a
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
744 * background thread (there is a background dispatcher thread for every
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
745 * established connection).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
746 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
747 * Note 3: This method will block as long as the key exchange of the underlying connection
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
748 * has not been completed (and you have not specified any timeouts).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
749 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
750 * Note 4: If you want to re-use a connection object that was successfully connected,
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
751 * then you must call the {@link #close()} method before invoking <code>connect()</code> again.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
752 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
753 * @param verifier An object that implements the
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
754 * {@link ServerHostKeyVerifier} interface. Pass <code>null</code>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
755 * to accept any server host key - NOT recommended.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
756 * @param connectTimeout Connect the underlying TCP socket to the server with the given timeout
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
757 * value (non-negative, in milliseconds). Zero means no timeout.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
758 * @param kexTimeout Timeout for complete connection establishment (non-negative,
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
759 * in milliseconds). Zero means no timeout. The timeout counts from the
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
760 * moment you invoke the connect() method and is cancelled as soon as the
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
761 * first key-exchange round has finished. It is possible that
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
762 * the timeout event will be fired during the invocation of the
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
763 * <code>verifier</code> callback, but it will only have an effect after
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
764 * the <code>verifier</code> returns.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
765 * @return A {@link ConnectionInfo} object containing the details of
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
766 * the established connection.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
767 * @throws IOException If any problem occurs, e.g., the server's host key is not
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
768 * accepted by the <code>verifier</code> or there is problem during
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
769 * the initial crypto setup (e.g., the signature sent by the server is wrong).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
770 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
771 * In case of a timeout (either connectTimeout or kexTimeout)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
772 * a SocketTimeoutException is thrown.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
773 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
774 * An exception may also be thrown if the connection was already successfully
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
775 * connected (no matter if the connection broke in the mean time) and you invoke
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
776 * <code>connect()</code> again without having called {@link #close()} first.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
777 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
778 * If a HTTP proxy is being used and the proxy refuses the connection,
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
779 * then a {@link HTTPProxyException} may be thrown, which
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
780 * contains the details returned by the proxy. If the proxy is buggy and does
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
781 * not return a proper HTTP response, then a normal IOException is thrown instead.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
782 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
783
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
784 public synchronized ConnectionInfo connect(ServerHostKeyVerifier verifier, int connectTimeout, int kexTimeout)
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
785 throws IOException {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
786 final class TimeoutState {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
787 boolean isCancelled = false;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
788 boolean timeoutSocketClosed = false;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
789 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
790
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
791 if (tm != null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
792 throw new IllegalStateException(String.format("Connection to %s is already in connected state", hostname));
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
793 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
794
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
795 if (connectTimeout < 0) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
796 throw new IllegalArgumentException("connectTimeout must be non-negative!");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
797 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
798
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
799 if (kexTimeout < 0) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
800 throw new IllegalArgumentException("kexTimeout must be non-negative!");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
801 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
802
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
803 final TimeoutState state = new TimeoutState();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
804
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
805 if (null == proxy) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
806 tm = new ClientTransportManager(new Socket());
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
807 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
808 else {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
809 tm = new HTTPProxyClientTransportManager(new Socket(), proxy);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
810 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
811
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
812 tm.setSoTimeout(connectTimeout);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
813 tm.setTcpNoDelay(tcpNoDelay);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
814 tm.setConnectionMonitors(connectionMonitors);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
815
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
816 try {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
817 TimeoutToken token = null;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
818
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
819 if (kexTimeout > 0) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
820 final Runnable timeoutHandler = new Runnable() {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
821 public void run() {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
822 synchronized (state) {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
823 if (state.isCancelled) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
824 return;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
825 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
826
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
827 state.timeoutSocketClosed = true;
319
776a220dbcc6 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 317
diff changeset
828 tm.close(new SocketTimeoutException("The connect timeout expired"), false);
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
829 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
830 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
831 };
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
832 long timeoutHorizont = System.currentTimeMillis() + kexTimeout;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
833 token = TimeoutService.addTimeoutHandler(timeoutHorizont, timeoutHandler);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
834 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
835
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
836 tm.connect(hostname, port, softwareversion, cryptoWishList, verifier, dhgexpara, connectTimeout,
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
837 getOrCreateSecureRND());
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
838 /* Wait until first KEX has finished */
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
839 ConnectionInfo ci = tm.getConnectionInfo(1);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
840
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
841 /* Now try to cancel the timeout, if needed */
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
842
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
843 if (token != null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
844 TimeoutService.cancelTimeoutHandler(token);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
845
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
846 /* Were we too late? */
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
847
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
848 synchronized (state) {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
849 if (state.timeoutSocketClosed) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
850 throw new IOException("This exception will be replaced by the one below =)");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
851 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
852
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
853 /* Just in case the "cancelTimeoutHandler" invocation came just a little bit
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
854 * too late but the handler did not enter the semaphore yet - we can
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
855 * still stop it.
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
856 */
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
857 state.isCancelled = true;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
858 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
859 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
860
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
861 return ci;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
862 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
863 catch (SocketTimeoutException e) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
864 throw e;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
865 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
866 catch (HTTPProxyException e) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
867 throw e;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
868 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
869 catch (IOException e) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
870 // This will also invoke any registered connection monitors
320
5afb8c1a54b9 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 319
diff changeset
871 close(e, false);
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
872
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
873 synchronized (state) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
874 /* Show a clean exception, not something like "the socket is closed!?!" */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
875 if (state.timeoutSocketClosed) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
876 throw new SocketTimeoutException(String.format("The kexTimeout (%d ms) expired.", kexTimeout));
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
877 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
878 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
879
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
880 throw e;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
881 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
882 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
883
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
884 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
885 * Creates a new {@link LocalPortForwarder}.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
886 * A <code>LocalPortForwarder</code> forwards TCP/IP connections that arrive at a local
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
887 * port via the secure tunnel to another host (which may or may not be
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
888 * identical to the remote SSH-2 server).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
889 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
890 * This method must only be called after one has passed successfully the authentication step.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
891 * There is no limit on the number of concurrent forwardings.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
892 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
893 * @param local_port the local port the LocalPortForwarder shall bind to.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
894 * @param host_to_connect target address (IP or hostname)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
895 * @param port_to_connect target port
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
896 * @return A {@link LocalPortForwarder} object.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
897 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
898 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
899
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
900 public synchronized LocalPortForwarder createLocalPortForwarder(int local_port, String host_to_connect,
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
901 int port_to_connect) throws IOException {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
902 this.checkConnection();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
903 return new LocalPortForwarder(cm, local_port, host_to_connect, port_to_connect);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
904 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
905
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
906 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
907 * Creates a new {@link LocalPortForwarder}.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
908 * A <code>LocalPortForwarder</code> forwards TCP/IP connections that arrive at a local
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
909 * port via the secure tunnel to another host (which may or may not be
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
910 * identical to the remote SSH-2 server).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
911 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
912 * This method must only be called after one has passed successfully the authentication step.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
913 * There is no limit on the number of concurrent forwardings.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
914 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
915 * @param addr specifies the InetSocketAddress where the local socket shall be bound to.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
916 * @param host_to_connect target address (IP or hostname)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
917 * @param port_to_connect target port
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
918 * @return A {@link LocalPortForwarder} object.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
919 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
920 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
921
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
922 public synchronized LocalPortForwarder createLocalPortForwarder(InetSocketAddress addr, String host_to_connect,
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
923 int port_to_connect) throws IOException {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
924 this.checkConnection();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
925 return new LocalPortForwarder(cm, addr, host_to_connect, port_to_connect);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
926 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
927
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
928 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
929 * Creates a new {@link LocalStreamForwarder}.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
930 * A <code>LocalStreamForwarder</code> manages an Input/Outputstream pair
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
931 * that is being forwarded via the secure tunnel into a TCP/IP connection to another host
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
932 * (which may or may not be identical to the remote SSH-2 server).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
933 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
934 * @param host_to_connect
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
935 * @param port_to_connect
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
936 * @return A {@link LocalStreamForwarder} object.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
937 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
938 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
939
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
940 public synchronized LocalStreamForwarder createLocalStreamForwarder(String host_to_connect, int port_to_connect)
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
941 throws IOException {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
942 this.checkConnection();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
943 return new LocalStreamForwarder(cm, host_to_connect, port_to_connect);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
944 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
945
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
946 /**
290
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
947 * Creates a new {@link DynamicPortForwarder}. A
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
948 * <code>DynamicPortForwarder</code> forwards TCP/IP connections that arrive
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
949 * at a local port via the secure tunnel to another host that is chosen via
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
950 * the SOCKS protocol.
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
951 * <p>
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
952 * This method must only be called after one has passed successfully the
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
953 * authentication step. There is no limit on the number of concurrent
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
954 * forwardings.
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
955 *
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
956 * @param local_port
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
957 * @return A {@link DynamicPortForwarder} object.
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
958 * @throws IOException
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
959 */
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
960
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
961 public synchronized DynamicPortForwarder createDynamicPortForwarder(int local_port) throws IOException {
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
962 if (tm == null)
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
963 throw new IllegalStateException("Cannot forward ports, you need to establish a connection first.");
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
964
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
965 if (!authenticated)
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
966 throw new IllegalStateException("Cannot forward ports, connection is not authenticated.");
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
967
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
968 return new DynamicPortForwarder(cm, local_port);
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
969 }
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
970
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
971 /**
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
972 * Creates a new {@link DynamicPortForwarder}. A
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
973 * <code>DynamicPortForwarder</code> forwards TCP/IP connections that arrive
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
974 * at a local port via the secure tunnel to another host that is chosen via
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
975 * the SOCKS protocol.
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
976 * <p>
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
977 * This method must only be called after one has passed successfully the
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
978 * authentication step. There is no limit on the number of concurrent
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
979 * forwardings.
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
980 *
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
981 * @param addr
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
982 * specifies the InetSocketAddress where the local socket shall
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
983 * be bound to.
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
984 * @return A {@link DynamicPortForwarder} object.
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
985 * @throws IOException
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
986 */
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
987
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
988 public synchronized DynamicPortForwarder createDynamicPortForwarder(InetSocketAddress addr) throws IOException {
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
989 if (tm == null)
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
990 throw new IllegalStateException("Cannot forward ports, you need to establish a connection first.");
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
991
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
992 if (!authenticated)
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
993 throw new IllegalStateException("Cannot forward ports, connection is not authenticated.");
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
994
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
995 return new DynamicPortForwarder(cm, addr);
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
996 }
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
997
9ae4ed7bb523 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
998 /**
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
999 * Create a very basic {@link SCPClient} that can be used to copy
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1000 * files from/to the SSH-2 server.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1001 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1002 * Works only after one has passed successfully the authentication step.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1003 * There is no limit on the number of concurrent SCP clients.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1004 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1005 * Note: This factory method will probably disappear in the future.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1006 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1007 * @return A {@link SCPClient} object.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1008 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1009 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1010
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1011 public synchronized SCPClient createSCPClient() throws IOException {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1012 this.checkConnection();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1013 return new SCPClient(this);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1014 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1015
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1016 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1017 * Force an asynchronous key re-exchange (the call does not block). The
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1018 * latest values set for MAC, Cipher and DH group exchange parameters will
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1019 * be used. If a key exchange is currently in progress, then this method has
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1020 * the only effect that the so far specified parameters will be used for the
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1021 * next (server driven) key exchange.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1022 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1023 * Note: This implementation will never start a key exchange (other than the initial one)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1024 * unless you or the SSH-2 server ask for it.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1025 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1026 * @throws IOException In case of any failure behind the scenes.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1027 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1028
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1029 public synchronized void forceKeyExchange() throws IOException {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1030 this.checkConnection();
302
beaccc9df37b add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 290
diff changeset
1031 tm.forceKeyExchange(cryptoWishList, dhgexpara, null, null, null);
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1032 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1033
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1034 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1035 * Returns the hostname that was passed to the constructor.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1036 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1037 * @return the hostname
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1038 */
307
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Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1039
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1040 public synchronized String getHostname() {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1041 return hostname;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1042 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1043
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1044 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1045 * Returns the port that was passed to the constructor.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1046 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1047 * @return the TCP port
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1048 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1049
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1050 public synchronized int getPort() {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1051 return port;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1052 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1053
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1054 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1055 * Returns a {@link ConnectionInfo} object containing the details of
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1056 * the connection. Can be called as soon as the connection has been
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1057 * established (successfully connected).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1058 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1059 * @return A {@link ConnectionInfo} object.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1060 * @throws IOException In case of any failure behind the scenes.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1061 */
307
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Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1062
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1063 public synchronized ConnectionInfo getConnectionInfo() throws IOException {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1064 this.checkConnection();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1065 return tm.getConnectionInfo(1);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1066 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1067
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1068 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1069 * After a successful connect, one has to authenticate oneself. This method
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1070 * can be used to tell which authentication methods are supported by the
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1071 * server at a certain stage of the authentication process (for the given
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1072 * username).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1073 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1074 * Note 1: the username will only be used if no authentication step was done
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1075 * so far (it will be used to ask the server for a list of possible
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1076 * authentication methods by sending the initial "none" request). Otherwise,
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1077 * this method ignores the user name and returns a cached method list
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1078 * (which is based on the information contained in the last negative server response).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1079 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1080 * Note 2: the server may return method names that are not supported by this
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1081 * implementation.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1082 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1083 * After a successful authentication, this method must not be called
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1084 * anymore.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1085 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1086 * @param user A <code>String</code> holding the username.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1087 * @return a (possibly emtpy) array holding authentication method names.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1088 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1089 */
307
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Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1090
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1091 public synchronized String[] getRemainingAuthMethods(String user) throws IOException {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1092 if (user == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1093 throw new IllegalArgumentException("user argument may not be NULL!");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1094 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1095
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1096 if (tm == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1097 throw new IllegalStateException("Connection is not established!");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1098 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1099
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1100 if (authenticated) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1101 throw new IllegalStateException("Connection is already authenticated!");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1102 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1103
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1104 if (am == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1105 am = new AuthenticationManager(tm);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1106 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1107
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1108 if (cm == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1109 cm = new ChannelManager(tm);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1110 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1111
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1112 final Set<String> remainingMethods = am.getRemainingMethods(user);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1113 return remainingMethods.toArray(new String[remainingMethods.size()]);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1114 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1115
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1116 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1117 * Determines if the authentication phase is complete. Can be called at any
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1118 * time.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1119 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1120 * @return <code>true</code> if no further authentication steps are
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1121 * needed.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1122 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1123
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1124 public synchronized boolean isAuthenticationComplete() {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1125 return authenticated;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1126 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1127
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1128 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1129 * Returns true if there was at least one failed authentication request and
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1130 * the last failed authentication request was marked with "partial success"
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1131 * by the server. This is only needed in the rare case of SSH-2 server setups
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1132 * that cannot be satisfied with a single successful authentication request
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1133 * (i.e., multiple authentication steps are needed.)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1134 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1135 * If you are interested in the details, then have a look at RFC4252.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1136 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1137 * @return if the there was a failed authentication step and the last one
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1138 * was marked as a "partial success".
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1139 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1140
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1141 public synchronized boolean isAuthenticationPartialSuccess() {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1142 if (am == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1143 return false;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1144 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1145
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1146 return am.getPartialSuccess();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1147 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1148
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1149 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1150 * Checks if a specified authentication method is available. This method is
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1151 * actually just a wrapper for {@link #getRemainingAuthMethods(String)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1152 * getRemainingAuthMethods()}.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1153 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1154 * @param user A <code>String</code> holding the username.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1155 * @param method An authentication method name (e.g., "publickey", "password",
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1156 * "keyboard-interactive") as specified by the SSH-2 standard.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1157 * @return if the specified authentication method is currently available.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1158 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1159 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1160
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1161 public synchronized boolean isAuthMethodAvailable(String user, String method) throws IOException {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1162 String methods[] = getRemainingAuthMethods(user);
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1163
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1164 for (final String m : methods) {
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1165 if (m.compareTo(method) == 0) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1166 return true;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1167 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1168 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1169
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1170 return false;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1171 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1172
344
b40bc65fa09a compensate for SecureRandom bug on older devices
Carl Byington <carl@five-ten-sg.com>
parents: 339
diff changeset
1173 private SecureRandomFix getOrCreateSecureRND() {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1174 if (generator == null) {
344
b40bc65fa09a compensate for SecureRandom bug on older devices
Carl Byington <carl@five-ten-sg.com>
parents: 339
diff changeset
1175 generator = new SecureRandomFix();
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1176 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1177
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1178 return generator;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1179 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1180
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1181 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1182 * Open a new {@link Session} on this connection. Works only after one has passed
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1183 * successfully the authentication step. There is no limit on the number of
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1184 * concurrent sessions.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1185 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1186 * @return A {@link Session} object.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1187 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1188 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1189
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1190 public synchronized Session openSession() throws IOException {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1191 this.checkConnection();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1192 return new Session(cm, getOrCreateSecureRND());
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1193 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1194
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1195 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1196 * Send an SSH_MSG_IGNORE packet. This method will generate a random data attribute
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1197 * (length between 0 (invlusive) and 16 (exclusive) bytes, contents are random bytes).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1198 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1199 * This method must only be called once the connection is established.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1200 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1201 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1202 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1203
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1204 public synchronized void sendIgnorePacket() throws IOException {
344
b40bc65fa09a compensate for SecureRandom bug on older devices
Carl Byington <carl@five-ten-sg.com>
parents: 339
diff changeset
1205 SecureRandomFix rnd = getOrCreateSecureRND();
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1206 byte[] data = new byte[rnd.nextInt(16)];
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1207 rnd.nextBytes(data);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1208 sendIgnorePacket(data);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1209 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1210
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1211 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1212 * Send an SSH_MSG_IGNORE packet with the given data attribute.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1213 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1214 * This method must only be called once the connection is established.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1215 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1216 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1217 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1218
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1219 public synchronized void sendIgnorePacket(byte[] data) throws IOException {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1220 this.checkConnection();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1221 PacketIgnore pi = new PacketIgnore(data);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1222 tm.sendMessage(pi.getPayload());
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1223 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1224
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1225 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1226 * Controls whether compression is used on the link or not.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1227 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1228
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1229 public synchronized void setCompression(String[] algorithms) {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1230 CompressionFactory.checkCompressorList(algorithms);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1231 cryptoWishList.c2s_comp_algos = algorithms;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1232 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1233
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1234 public synchronized void enableCompression() {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1235 cryptoWishList.c2s_comp_algos = CompressionFactory.getDefaultCompressorList();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1236 cryptoWishList.s2c_comp_algos = CompressionFactory.getDefaultCompressorList();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1237 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1238
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1239 public synchronized void disableCompression() {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1240 cryptoWishList.c2s_comp_algos = new String[] {"none"};
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1241 cryptoWishList.s2c_comp_algos = new String[] {"none"};
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1242 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1243
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1244 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1245 * Unless you know what you are doing, you will never need this.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1246 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1247
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1248 public synchronized void setClient2ServerCiphers(final String[] ciphers) {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1249 if ((ciphers == null) || (ciphers.length == 0)) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1250 throw new IllegalArgumentException();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1251 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1252
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1253 BlockCipherFactory.checkCipherList(ciphers);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1254 cryptoWishList.c2s_enc_algos = ciphers;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1255 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1256
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1257 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1258 * Unless you know what you are doing, you will never need this.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1259 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1260
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1261 public synchronized void setClient2ServerMACs(final String[] macs) {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1262 MAC.checkMacList(macs);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1263 cryptoWishList.c2s_mac_algos = macs;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1264 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1265
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1266 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1267 * Sets the parameters for the diffie-hellman group exchange. Unless you
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1268 * know what you are doing, you will never need this. Default values are
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1269 * defined in the {@link DHGexParameters} class.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1270 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1271 * @param dgp {@link DHGexParameters}, non null.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1272 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1273
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1274 public synchronized void setDHGexParameters(DHGexParameters dgp) {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1275 if (dgp == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1276 throw new IllegalArgumentException();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1277 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1278
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1279 dhgexpara = dgp;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1280 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1281
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1282 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1283 * Unless you know what you are doing, you will never need this.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1284 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1285
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1286 public synchronized void setServer2ClientCiphers(final String[] ciphers) {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1287 BlockCipherFactory.checkCipherList(ciphers);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1288 cryptoWishList.s2c_enc_algos = ciphers;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1289 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1290
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1291 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1292 * Unless you know what you are doing, you will never need this.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1293 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1294
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1295 public synchronized void setServer2ClientMACs(final String[] macs) {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1296 MAC.checkMacList(macs);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1297 cryptoWishList.s2c_mac_algos = macs;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1298 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1299
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1300 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1301 * Define the set of allowed server host key algorithms to be used for
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1302 * the following key exchange operations.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1303 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1304 * Unless you know what you are doing, you will never need this.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1305 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1306 * @param algos An array of allowed server host key algorithms.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1307 * SSH-2 defines <code>ssh-dss</code> and <code>ssh-rsa</code>.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1308 * The entries of the array must be ordered after preference, i.e.,
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1309 * the entry at index 0 is the most preferred one. You must specify
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1310 * at least one entry.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1311 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1312
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1313 public synchronized void setServerHostKeyAlgorithms(final String[] algos) {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1314 KexManager.checkServerHostkeyAlgorithmsList(algos);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1315 cryptoWishList.serverHostKeyAlgorithms = algos;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1316 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1317
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1318 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1319 * Enable/disable TCP_NODELAY (disable/enable Nagle's algorithm) on the underlying socket.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1320 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1321 * Can be called at any time. If the connection has not yet been established
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1322 * then the passed value will be stored and set after the socket has been set up.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1323 * The default value that will be used is <code>false</code>.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1324 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1325 * @param enable the argument passed to the <code>Socket.setTCPNoDelay()</code> method.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1326 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1327 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1328
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1329 public synchronized void setTCPNoDelay(boolean enable) throws IOException {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1330 tcpNoDelay = enable;
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1331
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1332 if (tm != null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1333 tm.setTcpNoDelay(enable);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1334 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1335 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1336
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1337 /**
289
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1338 * Used to tell the library that the connection shall be established through
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1339 * a proxy server. It only makes sense to call this method before calling
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1340 * the {@link #connect() connect()} method.
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1341 * <p>
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1342 * At the moment, only HTTP proxies are supported.
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1343 * <p>
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1344 * Note: This method can be called any number of times. The
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1345 * {@link #connect() connect()} method will use the value set in the last
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1346 * preceding invocation of this method.
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1347 *
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1348 * @see HTTPProxyData
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1349 *
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1350 * @param proxy
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1351 * Connection information about the proxy. If <code>null</code>,
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1352 * then no proxy will be used (non surprisingly, this is also the
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1353 * default).
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1354 */
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1355
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1356 public synchronized void setProxyData(HTTPProxyData proxy) {
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1357 this.proxy = proxy;
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1358 }
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1359
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
1360 /**
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1361 * Request a remote port forwarding.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1362 * If successful, then forwarded connections will be redirected to the given target address.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1363 * You can cancle a requested remote port forwarding by calling
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1364 * {@link #cancelRemotePortForwarding(int) cancelRemotePortForwarding()}.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1365 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1366 * A call of this method will block until the peer either agreed or disagreed to your request-
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1367 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1368 * Note 1: this method typically fails if you
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1369 * <ul>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1370 * <li>pass a port number for which the used remote user has not enough permissions (i.e., port
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1371 * &lt; 1024)</li>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1372 * <li>or pass a port number that is already in use on the remote server</li>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1373 * <li>or if remote port forwarding is disabled on the server.</li>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1374 * </ul>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1375 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1376 * Note 2: (from the openssh man page): By default, the listening socket on the server will be
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1377 * bound to the loopback interface only. This may be overriden by specifying a bind address.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1378 * Specifying a remote bind address will only succeed if the server's <b>GatewayPorts</b> option
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1379 * is enabled (see sshd_config(5)).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1380 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1381 * @param bindAddress address to bind to on the server:
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1382 * <ul>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1383 * <li>"" means that connections are to be accepted on all protocol families
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1384 * supported by the SSH implementation</li>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1385 * <li>"0.0.0.0" means to listen on all IPv4 addresses</li>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1386 * <li>"::" means to listen on all IPv6 addresses</li>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1387 * <li>"localhost" means to listen on all protocol families supported by the SSH
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1388 * implementation on loopback addresses only, [RFC3330] and RFC3513]</li>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1389 * <li>"127.0.0.1" and "::1" indicate listening on the loopback interfaces for
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1390 * IPv4 and IPv6 respectively</li>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1391 * </ul>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1392 * @param bindPort port number to bind on the server (must be &gt; 0)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1393 * @param targetAddress the target address (IP or hostname)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1394 * @param targetPort the target port
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1395 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1396 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1397
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1398 public synchronized void requestRemotePortForwarding(String bindAddress, int bindPort, String targetAddress,
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1399 int targetPort) throws IOException {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1400 this.checkConnection();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1401
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1402 if ((bindAddress == null) || (targetAddress == null) || (bindPort <= 0) || (targetPort <= 0)) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1403 throw new IllegalArgumentException();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1404 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1405
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1406 cm.requestGlobalForward(bindAddress, bindPort, targetAddress, targetPort);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1407 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1408
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1409 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1410 * Cancel an earlier requested remote port forwarding.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1411 * Currently active forwardings will not be affected (e.g., disrupted).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1412 * Note that further connection forwarding requests may be received until
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1413 * this method has returned.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1414 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1415 * @param bindPort the allocated port number on the server
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1416 * @throws IOException if the remote side refuses the cancel request or another low
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1417 * level error occurs (e.g., the underlying connection is closed)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1418 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1419
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1420 public synchronized void cancelRemotePortForwarding(int bindPort) throws IOException {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1421 this.checkConnection();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1422 cm.requestCancelGlobalForward(bindPort);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1423 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1424
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1425 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1426 * Provide your own instance of SecureRandom. Can be used, e.g., if you
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1427 * want to seed the used SecureRandom generator manually.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1428 * <p/>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1429 * The SecureRandom instance is used during key exchanges, public key authentication,
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1430 * x11 cookie generation and the like.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1431 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1432 * @param rnd a SecureRandom instance
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1433 */
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1434
344
b40bc65fa09a compensate for SecureRandom bug on older devices
Carl Byington <carl@five-ten-sg.com>
parents: 339
diff changeset
1435 public synchronized void setSecureRandom(SecureRandomFix rnd) {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1436 if (rnd == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1437 throw new IllegalArgumentException();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1438 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1439
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1440 this.generator = rnd;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1441 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1442
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1443 private void checkConnection() throws IllegalStateException {
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1444 if (tm == null) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1445 throw new IllegalStateException("You need to establish a connection first.");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1446 }
307
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1447
071eccdff8ea fix java formatting
Carl Byington <carl@five-ten-sg.com>
parents: 305
diff changeset
1448 if (!authenticated) {
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1449 throw new IllegalStateException("The connection is not authenticated.");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1450 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1451 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1452 }