Mercurial > 510Connectbot
annotate src/ch/ethz/ssh2/auth/AuthenticationManager.java @ 372:20d0a1356c43
debug kex error
author | Carl Byington <carl@five-ten-sg.com> |
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date | Mon, 04 Aug 2014 12:11:12 -0700 |
parents | a1a2e33b3565 |
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rev | line source |
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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 package ch.ethz.ssh2.auth; |
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6 |
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7 import java.io.IOException; |
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8 import java.io.InterruptedIOException; |
280
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9 import java.security.KeyPair; |
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10 import java.security.PrivateKey; |
273
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11 import java.security.SecureRandom; |
280
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12 import java.security.interfaces.DSAPrivateKey; |
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13 import java.security.interfaces.DSAPublicKey; |
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14 import java.security.interfaces.ECPrivateKey; |
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15 import java.security.interfaces.ECPublicKey; |
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16 import java.security.interfaces.RSAPrivateKey; |
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17 import java.security.interfaces.RSAPublicKey; |
273
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18 import java.util.HashSet; |
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19 import java.util.Set; |
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20 import java.util.concurrent.ArrayBlockingQueue; |
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21 import java.util.concurrent.BlockingQueue; |
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22 |
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23 import ch.ethz.ssh2.InteractiveCallback; |
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24 import ch.ethz.ssh2.PacketTypeException; |
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25 import ch.ethz.ssh2.crypto.PEMDecoder; |
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26 import ch.ethz.ssh2.packets.PacketServiceAccept; |
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27 import ch.ethz.ssh2.packets.PacketServiceRequest; |
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28 import ch.ethz.ssh2.packets.PacketUserauthBanner; |
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29 import ch.ethz.ssh2.packets.PacketUserauthFailure; |
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30 import ch.ethz.ssh2.packets.PacketUserauthInfoRequest; |
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31 import ch.ethz.ssh2.packets.PacketUserauthInfoResponse; |
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32 import ch.ethz.ssh2.packets.PacketUserauthRequestInteractive; |
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33 import ch.ethz.ssh2.packets.PacketUserauthRequestNone; |
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34 import ch.ethz.ssh2.packets.PacketUserauthRequestPassword; |
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35 import ch.ethz.ssh2.packets.PacketUserauthRequestPublicKey; |
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36 import ch.ethz.ssh2.packets.Packets; |
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37 import ch.ethz.ssh2.packets.TypesWriter; |
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38 import ch.ethz.ssh2.signature.DSASHA1Verify; |
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39 import ch.ethz.ssh2.signature.ECDSASHA2Verify; |
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40 import ch.ethz.ssh2.signature.RSASHA1Verify; |
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41 import ch.ethz.ssh2.transport.ClientTransportManager; |
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42 import ch.ethz.ssh2.transport.MessageHandler; |
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43 |
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44 /** |
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45 * @author Christian Plattner |
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46 * @version $Id: AuthenticationManager.java 161 2014-05-01 18:01:55Z dkocher@sudo.ch $ |
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47 */ |
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48 public class AuthenticationManager implements MessageHandler { |
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49 private ClientTransportManager tm; |
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50 |
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51 private final BlockingQueue<byte[]> packets |
307 | 52 = new ArrayBlockingQueue<byte[]>(5); |
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53 |
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54 private boolean connectionClosed = false; |
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55 |
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56 private String banner; |
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57 |
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58 private Set<String> remainingMethods |
307 | 59 = new HashSet<String>(); |
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60 |
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61 private boolean isPartialSuccess = false; |
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62 |
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63 private boolean authenticated = false; |
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64 private boolean initDone = false; |
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65 |
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66 public AuthenticationManager(ClientTransportManager tm) { |
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67 this.tm = tm; |
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68 } |
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69 |
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70 private byte[] deQueue() throws IOException { |
307 | 71 if (connectionClosed) { |
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72 throw(IOException) new IOException("The connection is closed.").initCause(tm.getReasonClosedCause()); |
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73 } |
307 | 74 |
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75 // Wait for packet |
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76 try { |
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77 return packets.take(); |
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78 } |
307 | 79 catch (InterruptedException e) { |
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80 throw new InterruptedIOException(e.getMessage()); |
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81 } |
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82 } |
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83 |
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84 byte[] getNextMessage() throws IOException { |
307 | 85 while (true) { |
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86 byte[] message = deQueue(); |
307 | 87 |
88 switch (message[0]) { | |
273
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89 case Packets.SSH_MSG_USERAUTH_BANNER: |
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90 // The server may send an SSH_MSG_USERAUTH_BANNER message at any |
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91 // time after this authentication protocol starts and before |
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92 // authentication is successful. |
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93 PacketUserauthBanner sb = new PacketUserauthBanner(message); |
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94 banner = sb.getBanner(); |
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95 break; |
307 | 96 |
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97 default: |
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98 return message; |
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99 } |
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100 } |
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101 } |
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102 |
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103 public Set<String> getRemainingMethods(String user) throws IOException { |
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104 initialize(user); |
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105 return remainingMethods; |
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106 } |
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107 |
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108 public String getBanner() { |
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109 return banner; |
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110 } |
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111 |
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112 public boolean getPartialSuccess() { |
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113 return isPartialSuccess; |
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114 } |
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115 |
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116 private boolean initialize(String user) throws IOException { |
307 | 117 if (initDone == false) { |
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118 tm.registerMessageHandler(this, 0, 255); |
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119 PacketServiceRequest sr = new PacketServiceRequest("ssh-userauth"); |
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120 tm.sendMessage(sr.getPayload()); |
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121 final PacketServiceAccept accept = new PacketServiceAccept(this.getNextMessage()); |
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122 PacketUserauthRequestNone auth = new PacketUserauthRequestNone("ssh-connection", user); |
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123 tm.sendMessage(auth.getPayload()); |
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124 byte[] message = this.getNextMessage(); |
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125 initDone = true; |
307 | 126 |
127 switch (message[0]) { | |
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128 case Packets.SSH_MSG_USERAUTH_SUCCESS: |
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129 authenticated = true; |
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130 tm.removeMessageHandler(this); |
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131 return true; |
307 | 132 |
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133 case Packets.SSH_MSG_USERAUTH_FAILURE: |
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134 PacketUserauthFailure puf = new PacketUserauthFailure(message); |
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135 remainingMethods = puf.getAuthThatCanContinue(); |
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136 isPartialSuccess = puf.isPartialSuccess(); |
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137 return false; |
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138 } |
307 | 139 |
273
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140 throw new PacketTypeException(message[0]); |
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141 } |
307 | 142 |
273
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143 return authenticated; |
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144 } |
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|
145 |
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|
146 public boolean authenticatePublicKey(String user, AgentProxy proxy) throws IOException { |
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147 initialize(user); |
307 | 148 boolean success; |
273
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149 |
307 | 150 for (AgentIdentity identity : proxy.getIdentities()) { |
273
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151 success = authenticatePublicKey(user, identity); |
307 | 152 |
153 if (success) { | |
273
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154 return true; |
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|
155 } |
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156 } |
307 | 157 |
273
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158 return false; |
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159 } |
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160 |
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161 private boolean authenticatePublicKey(String user, AgentIdentity identity) throws IOException { |
307 | 162 if (!remainingMethods.contains("publickey")) { |
273
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163 throw new IOException("Authentication method not supported"); |
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164 } |
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165 |
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166 byte[] pubKeyBlob = identity.getPublicKeyBlob(); |
307 | 167 |
168 if (pubKeyBlob == null) { | |
273
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169 return false; |
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170 } |
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171 |
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172 TypesWriter tw = new TypesWriter(); |
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173 byte[] H = tm.getSessionIdentifier(); |
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174 tw.writeString(H, 0, H.length); |
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175 tw.writeByte(Packets.SSH_MSG_USERAUTH_REQUEST); |
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176 tw.writeString(user); |
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177 tw.writeString("ssh-connection"); |
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178 tw.writeString("publickey"); |
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179 tw.writeBoolean(true); |
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180 tw.writeString(identity.getAlgName()); |
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181 tw.writeString(pubKeyBlob, 0, pubKeyBlob.length); |
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182 byte[] msg = tw.getBytes(); |
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183 byte[] response = identity.sign(msg); |
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184 PacketUserauthRequestPublicKey ua = new PacketUserauthRequestPublicKey( |
307 | 185 "ssh-connection", user, identity.getAlgName(), pubKeyBlob, response); |
273
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186 tm.sendMessage(ua.getPayload()); |
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187 byte[] message = getNextMessage(); |
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188 final int type = message[0]; |
307 | 189 |
190 switch (type) { | |
273
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191 case Packets.SSH_MSG_USERAUTH_SUCCESS: |
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192 authenticated = true; |
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193 tm.removeMessageHandler(this); |
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194 return true; |
307 | 195 |
273
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196 case Packets.SSH_MSG_USERAUTH_FAILURE: |
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197 PacketUserauthFailure puf = new PacketUserauthFailure(message); |
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198 remainingMethods = puf.getAuthThatCanContinue(); |
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199 isPartialSuccess = puf.isPartialSuccess(); |
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200 return false; |
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201 } |
307 | 202 |
273
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203 throw new PacketTypeException(type); |
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204 } |
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|
205 |
283
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diff
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206 public boolean authenticatePublicKey(String user, char[] PEMPrivateKey, String password, SecureRandom rnd) |
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282
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207 throws IOException { |
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282
diff
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|
208 KeyPair pair = PEMDecoder.decode(PEMPrivateKey, password); |
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282
diff
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209 return authenticatePublicKey(user, pair, rnd); |
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210 } |
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211 |
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diff
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212 public boolean authenticatePublicKey(String user, KeyPair pair, SecureRandom rnd) |
282
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280
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213 throws IOException { |
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214 PrivateKey key = pair.getPrivate(); |
307 | 215 |
273
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216 try { |
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|
217 initialize(user); |
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218 |
307 | 219 if (!remainingMethods.contains("publickey")) { |
273
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diff
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220 throw new IOException("Authentication method publickey not supported by the server at this stage."); |
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|
221 } |
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|
222 |
282
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diff
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|
223 if (key instanceof DSAPrivateKey) { |
273
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diff
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|
224 DSAPrivateKey pk = (DSAPrivateKey) key; |
282
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280
diff
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|
225 byte[] pk_enc = DSASHA1Verify.encodeSSHDSAPublicKey((DSAPublicKey) pair.getPublic()); |
273
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|
226 TypesWriter tw = new TypesWriter(); |
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diff
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|
227 byte[] H = tm.getSessionIdentifier(); |
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|
228 tw.writeString(H, 0, H.length); |
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diff
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|
229 tw.writeByte(Packets.SSH_MSG_USERAUTH_REQUEST); |
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diff
changeset
|
230 tw.writeString(user); |
91a31873c42a
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diff
changeset
|
231 tw.writeString("ssh-connection"); |
91a31873c42a
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diff
changeset
|
232 tw.writeString("publickey"); |
91a31873c42a
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diff
changeset
|
233 tw.writeBoolean(true); |
91a31873c42a
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diff
changeset
|
234 tw.writeString("ssh-dss"); |
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diff
changeset
|
235 tw.writeString(pk_enc, 0, pk_enc.length); |
91a31873c42a
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diff
changeset
|
236 byte[] msg = tw.getBytes(); |
284
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283
diff
changeset
|
237 byte[] ds = DSASHA1Verify.generateSignature(msg, pk, rnd); |
273
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diff
changeset
|
238 byte[] ds_enc = DSASHA1Verify.encodeSSHDSASignature(ds); |
91a31873c42a
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diff
changeset
|
239 PacketUserauthRequestPublicKey ua = new PacketUserauthRequestPublicKey("ssh-connection", user, |
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parents:
diff
changeset
|
240 "ssh-dss", pk_enc, ds_enc); |
91a31873c42a
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diff
changeset
|
241 tm.sendMessage(ua.getPayload()); |
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diff
changeset
|
242 } |
307 | 243 else if (key instanceof RSAPrivateKey) { |
273
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diff
changeset
|
244 RSAPrivateKey pk = (RSAPrivateKey) key; |
282
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280
diff
changeset
|
245 byte[] pk_enc = RSASHA1Verify.encodeSSHRSAPublicKey((RSAPublicKey) pair.getPublic()); |
273
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diff
changeset
|
246 TypesWriter tw = new TypesWriter(); |
91a31873c42a
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Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
247 { |
91a31873c42a
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diff
changeset
|
248 byte[] H = tm.getSessionIdentifier(); |
91a31873c42a
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diff
changeset
|
249 tw.writeString(H, 0, H.length); |
91a31873c42a
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diff
changeset
|
250 tw.writeByte(Packets.SSH_MSG_USERAUTH_REQUEST); |
91a31873c42a
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parents:
diff
changeset
|
251 tw.writeString(user); |
91a31873c42a
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parents:
diff
changeset
|
252 tw.writeString("ssh-connection"); |
91a31873c42a
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parents:
diff
changeset
|
253 tw.writeString("publickey"); |
91a31873c42a
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parents:
diff
changeset
|
254 tw.writeBoolean(true); |
91a31873c42a
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Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
255 tw.writeString("ssh-rsa"); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
256 tw.writeString(pk_enc, 0, pk_enc.length); |
91a31873c42a
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parents:
diff
changeset
|
257 } |
91a31873c42a
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parents:
diff
changeset
|
258 byte[] msg = tw.getBytes(); |
284
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283
diff
changeset
|
259 byte[] ds = RSASHA1Verify.generateSignature(msg, pk); |
273
91a31873c42a
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parents:
diff
changeset
|
260 byte[] rsa_sig_enc = RSASHA1Verify.encodeSSHRSASignature(ds); |
91a31873c42a
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Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
261 PacketUserauthRequestPublicKey ua = new PacketUserauthRequestPublicKey("ssh-connection", user, |
91a31873c42a
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parents:
diff
changeset
|
262 "ssh-rsa", pk_enc, rsa_sig_enc); |
91a31873c42a
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diff
changeset
|
263 tm.sendMessage(ua.getPayload()); |
91a31873c42a
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parents:
diff
changeset
|
264 } |
282
c3019725b123
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280
diff
changeset
|
265 else if (key instanceof ECPrivateKey) { |
c3019725b123
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280
diff
changeset
|
266 ECPrivateKey pk = (ECPrivateKey) key; |
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280
diff
changeset
|
267 final String algo = ECDSASHA2Verify.ECDSA_SHA2_PREFIX |
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280
diff
changeset
|
268 + ECDSASHA2Verify.getCurveName(pk.getParams()); |
c3019725b123
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280
diff
changeset
|
269 byte[] pk_enc = ECDSASHA2Verify.encodeSSHECDSAPublicKey((ECPublicKey) pair.getPublic()); |
c3019725b123
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280
diff
changeset
|
270 TypesWriter tw = new TypesWriter(); |
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280
diff
changeset
|
271 { |
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280
diff
changeset
|
272 byte[] H = tm.getSessionIdentifier(); |
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280
diff
changeset
|
273 tw.writeString(H, 0, H.length); |
c3019725b123
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280
diff
changeset
|
274 tw.writeByte(Packets.SSH_MSG_USERAUTH_REQUEST); |
c3019725b123
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280
diff
changeset
|
275 tw.writeString(user); |
c3019725b123
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
280
diff
changeset
|
276 tw.writeString("ssh-connection"); |
c3019725b123
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
280
diff
changeset
|
277 tw.writeString("publickey"); |
c3019725b123
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
280
diff
changeset
|
278 tw.writeBoolean(true); |
c3019725b123
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
280
diff
changeset
|
279 tw.writeString(algo); |
c3019725b123
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
280
diff
changeset
|
280 tw.writeString(pk_enc, 0, pk_enc.length); |
c3019725b123
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
280
diff
changeset
|
281 } |
c3019725b123
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
280
diff
changeset
|
282 byte[] msg = tw.getBytes(); |
c3019725b123
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
280
diff
changeset
|
283 byte[] ds = ECDSASHA2Verify.generateSignature(msg, pk); |
c3019725b123
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
280
diff
changeset
|
284 byte[] ec_sig_enc = ECDSASHA2Verify.encodeSSHECDSASignature(ds, pk.getParams()); |
c3019725b123
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
280
diff
changeset
|
285 PacketUserauthRequestPublicKey ua = new PacketUserauthRequestPublicKey("ssh-connection", user, |
c3019725b123
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
280
diff
changeset
|
286 algo, pk_enc, ec_sig_enc); |
c3019725b123
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
280
diff
changeset
|
287 tm.sendMessage(ua.getPayload()); |
c3019725b123
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
280
diff
changeset
|
288 } |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
289 else { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
290 throw new IOException("Unknown private key type returned by the PEM decoder."); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
291 } |
307 | 292 |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
293 byte[] message = getNextMessage(); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
294 final int type = message[0]; |
307 | 295 |
296 switch (type) { | |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
297 case Packets.SSH_MSG_USERAUTH_SUCCESS: |
91a31873c42a
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Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
298 authenticated = true; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
299 tm.removeMessageHandler(this); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
300 return true; |
307 | 301 |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
302 case Packets.SSH_MSG_USERAUTH_FAILURE: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
303 PacketUserauthFailure puf = new PacketUserauthFailure(message); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
304 remainingMethods = puf.getAuthThatCanContinue(); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
305 isPartialSuccess = puf.isPartialSuccess(); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
306 return false; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
307 } |
307 | 308 |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
309 throw new PacketTypeException(type); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
310 } |
307 | 311 catch (IOException e) { |
320
5afb8c1a54b9
add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents:
307
diff
changeset
|
312 tm.close(e, false); |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
313 throw e; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
314 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
315 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
316 |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
317 public boolean authenticateNone(String user) throws IOException { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
318 try { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
319 initialize(user); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
320 return authenticated; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
321 } |
307 | 322 catch (IOException e) { |
320
5afb8c1a54b9
add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents:
307
diff
changeset
|
323 tm.close(e, false); |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
324 throw e; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
325 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
326 } |
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 public boolean authenticatePassword(String user, String pass) throws IOException { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
329 try { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
330 initialize(user); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
331 |
307 | 332 if (!remainingMethods.contains("password")) { |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
333 throw new IOException("Authentication method not supported"); |
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 PacketUserauthRequestPassword ua = new PacketUserauthRequestPassword("ssh-connection", user, pass); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
337 tm.sendMessage(ua.getPayload()); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
338 byte[] message = getNextMessage(); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
339 final int type = message[0]; |
307 | 340 |
341 switch (type) { | |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
342 case Packets.SSH_MSG_USERAUTH_SUCCESS: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
343 authenticated = true; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
344 tm.removeMessageHandler(this); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
345 return true; |
307 | 346 |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
347 case Packets.SSH_MSG_USERAUTH_FAILURE: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
348 PacketUserauthFailure puf = new PacketUserauthFailure(message); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
349 remainingMethods = puf.getAuthThatCanContinue(); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
350 isPartialSuccess = puf.isPartialSuccess(); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
351 return false; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
352 } |
307 | 353 |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
354 throw new PacketTypeException(type); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
355 } |
307 | 356 catch (IOException e) { |
320
5afb8c1a54b9
add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents:
307
diff
changeset
|
357 tm.close(e, false); |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
358 throw e; |
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 } |
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 public boolean authenticateInteractive(String user, String[] submethods, InteractiveCallback cb) throws IOException { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
363 try { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
364 initialize(user); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
365 |
307 | 366 if (!remainingMethods.contains("keyboard-interactive")) { |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
367 throw new IOException( |
307 | 368 "Authentication method keyboard-interactive not supported by the server at this stage."); |
273
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 |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
371 PacketUserauthRequestInteractive ua = new PacketUserauthRequestInteractive("ssh-connection", user, |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
372 submethods); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
373 tm.sendMessage(ua.getPayload()); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
374 |
307 | 375 while (true) { |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
376 byte[] message = getNextMessage(); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
377 final int type = message[0]; |
307 | 378 |
379 switch (type) { | |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
380 case Packets.SSH_MSG_USERAUTH_SUCCESS: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
381 authenticated = true; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
382 tm.removeMessageHandler(this); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
383 return true; |
307 | 384 |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
385 case Packets.SSH_MSG_USERAUTH_FAILURE: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
386 PacketUserauthFailure puf = new PacketUserauthFailure(message); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
387 remainingMethods = puf.getAuthThatCanContinue(); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
388 isPartialSuccess = puf.isPartialSuccess(); |
307 | 389 return false; |
273
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 case Packets.SSH_MSG_USERAUTH_INFO_REQUEST: |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
392 PacketUserauthInfoRequest info = new PacketUserauthInfoRequest(message); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
393 String[] responses; |
307 | 394 |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
395 try { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
396 responses = cb.replyToChallenge(info.getName(), info.getInstruction(), info.getNumPrompts(), |
307 | 397 info.getPrompt(), info.getEcho()); |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
398 } |
307 | 399 catch (Exception e) { |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
400 throw new IOException("Exception in callback.", e); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
401 } |
307 | 402 |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
403 PacketUserauthInfoResponse puir = new PacketUserauthInfoResponse(responses); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
404 tm.sendMessage(puir.getPayload()); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
405 continue; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
406 } |
307 | 407 |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
408 throw new PacketTypeException(type); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
409 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
410 } |
307 | 411 catch (IOException e) { |
320
5afb8c1a54b9
add ecdsa key support everywhere
Carl Byington <carl@five-ten-sg.com>
parents:
307
diff
changeset
|
412 tm.close(e, false); |
273
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
413 throw e; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
414 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
415 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
416 |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
417 public void handleFailure(final IOException failure) { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
418 connectionClosed = true; |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
419 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
420 |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
421 public void handleMessage(byte[] message) throws IOException { |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
422 packets.add(message); |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
423 } |
91a31873c42a
start conversion from trilead to ganymed
Carl Byington <carl@five-ten-sg.com>
parents:
diff
changeset
|
424 } |