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annotate src/ch/ethz/ssh2/ServerConnection.java @ 304:abad243cb341 ganymed

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add ecdsa key support everywhere
author Carl Byington <carl@five-ten-sg.com>
date Tue, 29 Jul 2014 20:28:01 -0700
parents beaccc9df37b
children 071eccdff8ea
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1 /*
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2 * Copyright (c) 2012-2013 Christian Plattner. All rights reserved.
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3 * Please refer to the LICENSE.txt for licensing details.
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4 */
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5
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6 package ch.ethz.ssh2;
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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.Socket;
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13 import java.util.List;
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14 import java.util.ArrayList;
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15
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16 import ch.ethz.ssh2.crypto.CryptoWishList;
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17 import ch.ethz.ssh2.crypto.PEMDecoder;
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18 import ch.ethz.ssh2.server.ServerConnectionState;
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19 import java.security.KeyPair;
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20 import java.security.PrivateKey;
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21 import java.security.interfaces.DSAPrivateKey;
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22 import java.security.interfaces.ECPrivateKey;
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23 import java.security.interfaces.RSAPrivateKey;
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24 import ch.ethz.ssh2.transport.ServerTransportManager;
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25
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26 /**
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27 * A server-side SSH-2 connection.
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28 *
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29 * @author Christian
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30 *
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31 */
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32 public class ServerConnection
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33 {
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34 /**
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35 * The softwareversion presented to the SSH-2 client.
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36 */
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37 private String softwareversion = String.format("Ganymed_SSHD_%s", Version.getSpecification());
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38
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39 private final ServerConnectionState state = new ServerConnectionState(this);
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40
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41 /**
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42 * Creates a new <code>ServerConnection</code> that will communicate
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43 * with the client over the given <code>Socket</code>.
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44 * <p>
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45 * Note: you need to call {@link #connect()} or {@link #connect(int)} to
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46 * perform the initial handshake and establish the encrypted communication.
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47 *
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48 * @see #connect(int)
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49 *
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50 * @param s The socket
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51 */
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52 public ServerConnection(Socket s)
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53 {
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54 this(s, null, null, null);
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55 }
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57 public ServerConnection(Socket s, String softwareversion) {
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58 this(s, null, null, null);
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59 this.softwareversion = softwareversion;
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60 }
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61
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62 /**
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63 * Creates a new <code>ServerConnection</code> that will communicate
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64 * with the client over the given <code>Socket</code>.
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65 * <p>
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66 * Note: you need to call {@link #connect()} or {@link #connect(int)} to
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67 * perform the initial handshake and establish the encrypted communication.
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68 * <p>
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69 * Please read the javadoc for the {@link #connect(int)} method.
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70 *
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71 * @see #connect(int)
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72 *
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73 * @param s The socket
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74 * @param dsa_key The DSA hostkey, may be <code>NULL</code>
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75 * @param rsa_key The RSA hostkey, may be <code>NULL</code>
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76 * @param ec_key The EC hostkey, may be <code>NULL</code>
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77 */
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78 public ServerConnection(Socket s, KeyPair dsa_key, KeyPair rsa_key, KeyPair ec_key)
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79 {
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80 state.s = s;
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81 state.softwareversion = softwareversion;
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82 state.next_dsa_key = dsa_key;
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83 state.next_rsa_key = rsa_key;
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84 state.next_ec_key = ec_key;
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85 fixCryptoWishList(state.next_cryptoWishList, state.next_dsa_key, state.next_rsa_key, state.next_ec_key);
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86 }
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87
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88 /**
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89 * Establish the connection and block until the first handshake has completed.
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90 * <p>
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91 * Note: this is a wrapper that calls <code>connect(0)</code> (i.e., connect with no timeout).
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92 * <p>
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93 * Please read the javadoc for the {@link #connect(int)} method.
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94 *
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95 * @see #connect(int)
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96 *
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97 * @throws IOException
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98 */
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99 public synchronized void connect() throws IOException
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100 {
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101 connect(0);
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102 }
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103
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104 /**
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105 * Establish the connection and block until the first handshake has completed.
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106 * <p>
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107 * Note 1: at least one DSA, RSA or EC hostkey must be set before calling this method.
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108 * <p>
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109 * Note 2: You must set the callbacks for authentication ({@link #setAuthenticationCallback(ServerAuthenticationCallback)})
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110 * and connection events ({@link #setServerConnectionCallback(ServerConnectionCallback)}).
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111 *
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112 * @see #setPEMHostKey(char[], String)
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113 * @see #setPEMHostKey(File, String)
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114 * @see #setRsaHostKey(RSAPrivateKey)
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115 * @see #setDsaHostKey(DSAPrivateKey)
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116 *
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117 * @param timeout_milliseconds Timeout in milliseconds, <code>0</code> means no timeout.
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118 * @throws IOException
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119 */
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120 public synchronized void connect(int timeout_milliseconds) throws IOException
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121 {
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122 synchronized (state)
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123 {
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124 if (state.cb_conn == null)
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125 throw new IllegalStateException("The callback for connection events has not been set.");
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126
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127 if (state.cb_auth == null)
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128 throw new IllegalStateException("The callback for authentication events has not been set.");
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129
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130 if (state.tm != null)
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131 throw new IllegalStateException("The initial handshake has already been started.");
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132
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133 if ((state.next_dsa_key == null) && (state.next_rsa_key == null) && (state.next_ec_key == null))
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134 throw new IllegalStateException("Neither an RSA nor a DSA nor an EC host key has been specified!");
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135
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136 state.tm = new ServerTransportManager(state.s);
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137 }
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138
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139 state.tm.connect(state);
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140
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141 /* Wait until first KEX has finished */
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142
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143 state.tm.getConnectionInfo(1);
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144 }
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parents:
diff changeset
145
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
146 /**
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
147 * Retrieve the underlying socket.
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
148 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
149 * @return the socket that has been passed to the constructor.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
150 */
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
151 public Socket getSocket()
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
152 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
153 return state.s;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
154 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
155
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
156 /**
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
157 * 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
158 * 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
159 * be used. If a key exchange is currently in progress, then this method has
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
160 * 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
161 * next (client driven) key exchange. You may call this method only after
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
162 * the initial key exchange has been established.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
163 * <p>
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
164 * Note: This implementation will never start automatically 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
165 * unless you or the connected SSH-2 client ask for it.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
166 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
167 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
168 * 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
169 */
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
170 public synchronized void forceKeyExchange() throws IOException
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
171 {
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
172 synchronized (state)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
173 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
174 if (state.tm == null)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
175 throw new IllegalStateException(
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
176 "Cannot force another key exchange, you need to start the key exchange first.");
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
177
298
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diff changeset
178 state.tm.forceKeyExchange(state.next_cryptoWishList, null, state.next_dsa_key, state.next_rsa_key, state.next_ec_key);
273
91a31873c42a start conversion from trilead to ganymed
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parents:
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179 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
180 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
181
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
182 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
183 * 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
184 * the connection. May be called as soon as the first key exchange has been
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
185 * started. The method blocks in case the first key exchange has not been completed.
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
186 * <p>
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
187 * Note: upon return of this method, authentication may still be pending.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
188 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
189 * @return A {@link ConnectionInfo} object.
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
190 * @throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
191 * In case of any failure behind the scenes; e.g., first key exchange was aborted.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
192 */
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
193 public synchronized ConnectionInfo getConnectionInfo() throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
194 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
195 synchronized (state)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
196 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
197 if (state.tm == null)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
198 throw new IllegalStateException(
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
199 "Cannot get details of connection, you need to start the key exchange first.");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
200 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
201
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
202 return state.tm.getConnectionInfo(1);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
203 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
204
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
205 /**
298
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parents: 289
diff changeset
206 * Change the current DSA hostkey. Either a DSA or RSA or EC private key must be set for a successful handshake with
273
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
207 * the client.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
208 * <p>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
209 * Note: You can change an existing DSA hostkey after the initial kex exchange (the new value will
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
210 * be used during the next server initiated key exchange), but you cannot remove (i.e., set to <code>null</code>) the
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
211 * current DSA key, otherwise the next key exchange may fail in case the client supports only DSA hostkeys.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
212 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
213 * @param dsa_hostkey
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
214 */
287
db9b028016de start conversion from trilead to ganymed
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parents: 281
diff changeset
215 public synchronized void setDsaHostKey(KeyPair dsa_hostkey)
273
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
216 {
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
217 synchronized (state)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
218 {
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
219 if ((dsa_hostkey == null) && (state.next_dsa_key != null) && (state.tm != null))
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
220 throw new IllegalStateException("Cannot remove DSA hostkey after first key exchange.");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
221
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
222 state.next_dsa_key = dsa_hostkey;
298
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parents: 289
diff changeset
223 fixCryptoWishList(state.next_cryptoWishList, state.next_dsa_key, state.next_rsa_key, state.next_ec_key);
273
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
224 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
225 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
226
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
227 /**
298
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parents: 289
diff changeset
228 * Change the current RSA hostkey. Either a DSA or RSA or EC private key must be set for a successful handshake with
273
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
229 * the client.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
230 * <p>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
231 * Note: You can change an existing RSA hostkey after the initial kex exchange (the new value will
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
232 * be used during the next server initiated key exchange), but you cannot remove (i.e., set to <code>null</code>) the
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
233 * current RSA key, otherwise the next key exchange may fail in case the client supports only RSA hostkeys.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
234 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
235 * @param rsa_hostkey
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
236 */
287
db9b028016de start conversion from trilead to ganymed
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parents: 281
diff changeset
237 public synchronized void setRsaHostKey(KeyPair rsa_hostkey)
273
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
238 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
239 synchronized (state)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
240 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
241 if ((rsa_hostkey == null) && (state.next_rsa_key != null) && (state.tm != null))
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
242 throw new IllegalStateException("Cannot remove RSA hostkey after first key exchange.");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
243
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
244 state.next_rsa_key = rsa_hostkey;
298
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
245 fixCryptoWishList(state.next_cryptoWishList, state.next_dsa_key, state.next_rsa_key, state.next_ec_key);
ab3a99f11a36 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
246 }
ab3a99f11a36 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
247 }
ab3a99f11a36 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
248
ab3a99f11a36 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
249 /**
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
250 * Change the current EC hostkey. Either a DSA or RSA or EC private key must be set for a successful handshake with
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
251 * the client.
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
252 * <p>
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
253 * Note: You can change an existing EC hostkey after the initial kex exchange (the new value will
ab3a99f11a36 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
254 * be used during the next server initiated key exchange), but you cannot remove (i.e., set to <code>null</code>) the
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
255 * current EC key, otherwise the next key exchange may fail in case the client supports only EC hostkeys.
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
256 *
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
257 * @param rsa_hostkey
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
258 */
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
259 public synchronized void setEcHostKey(KeyPair ec_hostkey)
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
260 {
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
261 synchronized (state)
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
262 {
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
263 if ((ec_hostkey == null) && (state.next_ec_key != null) && (state.tm != null))
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
264 throw new IllegalStateException("Cannot remove EC hostkey after first key exchange.");
ab3a99f11a36 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
265
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
266 state.next_ec_key = ec_hostkey;
ab3a99f11a36 add ecdsa key support everywhere
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parents: 289
diff changeset
267 fixCryptoWishList(state.next_cryptoWishList, state.next_dsa_key, state.next_rsa_key, state.next_ec_key);
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
268 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
269 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
270
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
271 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
272 * Utility method that loads a PEM based hostkey (either RSA or DSA based) and
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
273 * calls either <code>setRsaHostKey()</code> or <code>setDsaHostKey()</code>.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
274 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
275 * @param pemdata The PEM data
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
276 * @param password Password, may be null in case the PEM data is not password protected
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
277 * @throws IOException In case of any error.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
278 */
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
279 public void setPEMHostKey(char[] pemdata, String password) throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
280 {
289
d2ee20d9dff1 start conversion from trilead to ganymed
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parents: 287
diff changeset
281 KeyPair pair = PEMDecoder.decode(pemdata, password);
d2ee20d9dff1 start conversion from trilead to ganymed
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parents: 287
diff changeset
282 PrivateKey key = pair.getPrivate();
273
91a31873c42a start conversion from trilead to ganymed
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parents:
diff changeset
283
289
d2ee20d9dff1 start conversion from trilead to ganymed
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parents: 287
diff changeset
284 if (key instanceof DSAPrivateKey) setDsaHostKey(pair);
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
285
289
d2ee20d9dff1 start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents: 287
diff changeset
286 if (key instanceof RSAPrivateKey) setRsaHostKey(pair);
298
ab3a99f11a36 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
287
ab3a99f11a36 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
288 if (key instanceof ECPrivateKey) setEcHostKey(pair);
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
289 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
290
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
291 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
292 * Utility method that loads a hostkey from a PEM file (either RSA or DSA based) and
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
293 * calls either <code>setRsaHostKey()</code> or <code>setDsaHostKey()</code>.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
294 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
295 * @param pemFile The PEM file
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
296 * @param password Password, may be null in case the PEM file is not password protected
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
297 * @throws IOException
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 public void setPEMHostKey(File pemFile, String password) throws IOException
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
300 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
301 if (pemFile == null)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
302 throw new IllegalArgumentException("pemfile argument is null");
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
303
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
304 char[] buff = new char[256];
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
305
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
306 CharArrayWriter cw = new CharArrayWriter();
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 FileReader fr = new FileReader(pemFile);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
309
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
310 while (true)
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 int len = fr.read(buff);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
313 if (len < 0)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
314 break;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
315 cw.write(buff, 0, len);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
316 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
317
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
318 fr.close();
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 setPEMHostKey(cw.toCharArray(), password);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
321 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
322
298
ab3a99f11a36 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
323 private void fixCryptoWishList(CryptoWishList next_cryptoWishList, KeyPair next_dsa_key, KeyPair next_rsa_key, KeyPair next_ec_key)
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
324 {
302
beaccc9df37b add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 301
diff changeset
325 List<String> algos = new ArrayList<String>();
300
349847b2e318 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 298
diff changeset
326 if (next_ec_key != null) algos.add("ecdsa-sha2-nistp521");
349847b2e318 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 298
diff changeset
327 if (next_ec_key != null) algos.add("ecdsa-sha2-nistp384");
349847b2e318 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 298
diff changeset
328 if (next_ec_key != null) algos.add("ecdsa-sha2-nistp256");
298
ab3a99f11a36 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
329 if (next_dsa_key != null) algos.add("ssh-dss");
ab3a99f11a36 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
330 if (next_rsa_key != null) algos.add("ssh-rsa");
ab3a99f11a36 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
331 next_cryptoWishList.serverHostKeyAlgorithms = new String[algos.size()];
ab3a99f11a36 add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents: 289
diff changeset
332 algos.toArray(next_cryptoWishList.serverHostKeyAlgorithms);
273
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
333 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
334
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 * Callback interface with methods that will be called upon events
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
337 * generated by the client (e.g., client opens a new Session which results in a <code>ServerSession</code>).
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
338 * <p>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
339 * Note: This must be set before the first handshake.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
340 *
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
341 * @param cb The callback implementation
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
342 */
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
343 public synchronized void setServerConnectionCallback(ServerConnectionCallback cb)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
344 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
345 synchronized (state)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
346 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
347 state.cb_conn = cb;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
348 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
349 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
350
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
351 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
352 * Callback interface with methods that will be called upon authentication events.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
353 * <p>
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
354 * Note: This must be set before the first handshake.
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 cb The callback implementation
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
357 */
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
358 public synchronized void setAuthenticationCallback(ServerAuthenticationCallback cb)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
359 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
360 synchronized (state)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
361 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
362 state.cb_auth = cb;
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
363 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
364 }
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 /**
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
367 * 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
368 * 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
369 * 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
370 * run forever.
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
371 */
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
372 public void close()
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 synchronized (state)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
375 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
376 if (state.cm != null)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
377 state.cm.closeAllChannels();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
378
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
379 if (state.tm != null)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
380 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
381 state.tm.close();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
382 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
383 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
384 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
385
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
386 public void close(IOException t)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
387 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
388 synchronized (state)
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 if (state.cm != null)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
391 state.cm.closeAllChannels();
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
392
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
393 if (state.tm != null)
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
394 {
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
395 state.tm.close(t);
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
396 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
397 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
398 }
91a31873c42a start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
399 }