annotate src/com/trilead/ssh2/channel/AuthAgentForwardThread.java @ 211:7e4352b53f24

unsigned short -1 is 65535
author Carl Byington <carl@five-ten-sg.com>
date Mon, 07 Jul 2014 10:19:04 -0700
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children
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1 /*
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2 * ConnectBot: simple, powerful, open-source SSH client for Android
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3 * Copyright 2007 Kenny Root, Jeffrey Sharkey
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4 *
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5 * Licensed under the Apache License, Version 2.0 (the "License");
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6 * you may not use this file except in compliance with the License.
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7 * You may obtain a copy of the License at
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8 *
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9 * http://www.apache.org/licenses/LICENSE-2.0
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10 *
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11 * Unless required by applicable law or agreed to in writing, software
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12 * distributed under the License is distributed on an "AS IS" BASIS,
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13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 * See the License for the specific language governing permissions and
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15 * limitations under the License.
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16 */
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17
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18 package com.trilead.ssh2.channel;
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19
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20 import java.io.IOException;
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21 import java.io.InputStream;
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22 import java.io.OutputStream;
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23 import java.math.BigInteger;
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24 import java.security.KeyFactory;
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25 import java.security.KeyPair;
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26 import java.security.NoSuchAlgorithmException;
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27 import java.security.PrivateKey;
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28 import java.security.PublicKey;
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29 import java.security.SecureRandom;
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30 import java.security.interfaces.DSAPrivateKey;
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31 import java.security.interfaces.RSAPrivateKey;
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32 import java.security.spec.DSAPrivateKeySpec;
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33 import java.security.spec.DSAPublicKeySpec;
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34 import java.security.spec.ECParameterSpec;
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35 import java.security.spec.ECPoint;
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36 import java.security.spec.ECPrivateKeySpec;
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37 import java.security.spec.ECPublicKeySpec;
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38 import java.security.spec.InvalidKeySpecException;
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39 import java.security.spec.KeySpec;
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40 import java.security.spec.RSAPrivateCrtKeySpec;
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41 import java.security.spec.RSAPublicKeySpec;
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42 import java.util.Map;
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43 import java.util.Map.Entry;
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44
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45 import com.trilead.ssh2.AuthAgentCallback;
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46 import com.trilead.ssh2.log.Logger;
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47 import com.trilead.ssh2.packets.TypesReader;
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48 import com.trilead.ssh2.packets.TypesWriter;
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49 import com.trilead.ssh2.signature.DSASHA1Verify;
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50 import com.trilead.ssh2.signature.ECDSASHA2Verify;
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51 import com.trilead.ssh2.signature.RSASHA1Verify;
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52
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53 /**
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54 * AuthAgentForwardThread.
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55 *
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56 * @author Kenny Root
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57 * @version $Id$
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58 */
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59 public class AuthAgentForwardThread extends Thread implements IChannelWorkerThread {
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60 private static final byte[] SSH_AGENT_FAILURE = {0, 0, 0, 1, 5}; // 5
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61 private static final byte[] SSH_AGENT_SUCCESS = {0, 0, 0, 1, 6}; // 6
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62
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63 private static final int SSH2_AGENTC_REQUEST_IDENTITIES = 11;
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64 private static final int SSH2_AGENT_IDENTITIES_ANSWER = 12;
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65
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66 private static final int SSH2_AGENTC_SIGN_REQUEST = 13;
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67 private static final int SSH2_AGENT_SIGN_RESPONSE = 14;
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68
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69 private static final int SSH2_AGENTC_ADD_IDENTITY = 17;
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70 private static final int SSH2_AGENTC_REMOVE_IDENTITY = 18;
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71 private static final int SSH2_AGENTC_REMOVE_ALL_IDENTITIES = 19;
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72
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73 // private static final int SSH_AGENTC_ADD_SMARTCARD_KEY = 20;
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74 // private static final int SSH_AGENTC_REMOVE_SMARTCARD_KEY = 21;
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75
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76 private static final int SSH_AGENTC_LOCK = 22;
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77 private static final int SSH_AGENTC_UNLOCK = 23;
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78
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79 private static final int SSH2_AGENTC_ADD_ID_CONSTRAINED = 25;
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80 // private static final int SSH_AGENTC_ADD_SMARTCARD_KEY_CONSTRAINED = 26;
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81
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82 // Constraints for adding keys
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83 private static final int SSH_AGENT_CONSTRAIN_LIFETIME = 1;
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84 private static final int SSH_AGENT_CONSTRAIN_CONFIRM = 2;
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85
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86 // Flags for signature requests
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87 // private static final int SSH_AGENT_OLD_SIGNATURE = 1;
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88
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89 private static final Logger log = Logger.getLogger(RemoteAcceptThread.class);
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90
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91 AuthAgentCallback authAgent;
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92 OutputStream os;
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93 InputStream is;
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94 Channel c;
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95
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96 byte[] buffer = new byte[Channel.CHANNEL_BUFFER_SIZE];
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97
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98 public AuthAgentForwardThread(Channel c, AuthAgentCallback authAgent) {
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99 this.c = c;
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100 this.authAgent = authAgent;
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101
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102 if (log.isEnabled())
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103 log.log(20, "AuthAgentForwardThread started");
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104 }
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105
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106 @Override
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107 public void run() {
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108 try {
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109 c.cm.registerThread(this);
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110 }
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111 catch (IOException e) {
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112 stopWorking();
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113 return;
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114 }
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115
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116 try {
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117 c.cm.sendOpenConfirmation(c);
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118 is = c.getStdoutStream();
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119 os = c.getStdinStream();
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120 int totalSize = 4;
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121 int readSoFar = 0;
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122
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123 while (true) {
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124 int len;
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125
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126 try {
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127 len = is.read(buffer, readSoFar, buffer.length - readSoFar);
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128 }
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129 catch (IOException e) {
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130 stopWorking();
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131 return;
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132 }
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133
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134 if (len <= 0)
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135 break;
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136
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137 readSoFar += len;
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138
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139 if (readSoFar >= 4) {
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140 TypesReader tr = new TypesReader(buffer, 0, 4);
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141 totalSize = tr.readUINT32() + 4;
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142 }
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143
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144 if (totalSize == readSoFar) {
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145 TypesReader tr = new TypesReader(buffer, 4, readSoFar - 4);
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146 int messageType = tr.readByte();
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147
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148 switch (messageType) {
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149 case SSH2_AGENTC_REQUEST_IDENTITIES:
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150 sendIdentities();
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151 break;
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152
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153 case SSH2_AGENTC_ADD_IDENTITY:
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154 addIdentity(tr, false);
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155 break;
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156
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157 case SSH2_AGENTC_ADD_ID_CONSTRAINED:
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158 addIdentity(tr, true);
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159 break;
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160
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161 case SSH2_AGENTC_REMOVE_IDENTITY:
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162 removeIdentity(tr);
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163 break;
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164
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165 case SSH2_AGENTC_REMOVE_ALL_IDENTITIES:
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166 removeAllIdentities(tr);
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167 break;
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168
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
169 case SSH2_AGENTC_SIGN_REQUEST:
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
170 processSignRequest(tr);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
171 break;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
172
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
173 case SSH_AGENTC_LOCK:
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
174 processLockRequest(tr);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
175 break;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
176
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
177 case SSH_AGENTC_UNLOCK:
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
178 processUnlockRequest(tr);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
179 break;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
180
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
181 default:
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
182 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
183 break;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
184 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
185
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
186 readSoFar = 0;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
187 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
188 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
189
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
190 c.cm.closeChannel(c, "EOF on both streams reached.", true);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
191 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
192 catch (IOException e) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
193 log.log(50, "IOException in agent forwarder: " + e.getMessage());
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
194
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
195 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
196 is.close();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
197 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
198 catch (IOException e1) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
199 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
200
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
201 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
202 os.close();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
203 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
204 catch (IOException e2) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
205 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
206
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
207 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
208 c.cm.closeChannel(c, "IOException in agent forwarder (" + e.getMessage() + ")", true);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
209 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
210 catch (IOException e3) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
211 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
212 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
213 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
214
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
215 public void stopWorking() {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
216 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
217 /* This will lead to an IOException in the is.read() call */
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
218 is.close();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
219 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
220 catch (IOException e) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
221 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
222 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
223
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
224 /**
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
225 * @return whether the agent is locked
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
226 */
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
227 private boolean failWhenLocked() throws IOException {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
228 if (authAgent.isAgentLocked()) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
229 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
230 return true;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
231 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
232 else
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
233 return false;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
234 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
235
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
236 private void sendIdentities() throws IOException {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
237 Map<String, byte[]> keys = null;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
238 TypesWriter tw = new TypesWriter();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
239 tw.writeByte(SSH2_AGENT_IDENTITIES_ANSWER);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
240 int numKeys = 0;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
241
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
242 if (!authAgent.isAgentLocked())
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
243 keys = authAgent.retrieveIdentities();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
244
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
245 if (keys != null)
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
246 numKeys = keys.size();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
247
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
248 tw.writeUINT32(numKeys);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
249
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
250 if (keys != null) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
251 for (Entry<String, byte[]> entry : keys.entrySet()) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
252 byte[] keyBytes = entry.getValue();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
253 tw.writeString(keyBytes, 0, keyBytes.length);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
254 tw.writeString(entry.getKey());
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
255 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
256 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
257
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
258 sendPacket(tw.getBytes());
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
259 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
260
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
261 /**
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
262 * @param tr
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
263 */
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
264 private void addIdentity(TypesReader tr, boolean checkConstraints) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
265 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
266 if (failWhenLocked())
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
267 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
268
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
269 String type = tr.readString();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
270 String comment;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
271 String keyType;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
272 KeySpec pubSpec;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
273 KeySpec privSpec;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
274
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
275 if (type.equals("ssh-rsa")) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
276 keyType = "RSA";
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
277 BigInteger n = tr.readMPINT();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
278 BigInteger e = tr.readMPINT();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
279 BigInteger d = tr.readMPINT();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
280 BigInteger iqmp = tr.readMPINT();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
281 BigInteger p = tr.readMPINT();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
282 BigInteger q = tr.readMPINT();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
283 comment = tr.readString();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
284 // Derive the extra values Java needs.
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
285 BigInteger dmp1 = d.mod(p.subtract(BigInteger.ONE));
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
286 BigInteger dmq1 = d.mod(q.subtract(BigInteger.ONE));
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
287 pubSpec = new RSAPublicKeySpec(n, e);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
288 privSpec = new RSAPrivateCrtKeySpec(n, e, d, p, q, dmp1, dmq1, iqmp);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
289 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
290 else if (type.equals("ssh-dss")) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
291 keyType = "DSA";
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
292 BigInteger p = tr.readMPINT();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
293 BigInteger q = tr.readMPINT();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
294 BigInteger g = tr.readMPINT();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
295 BigInteger y = tr.readMPINT();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
296 BigInteger x = tr.readMPINT();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
297 comment = tr.readString();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
298 pubSpec = new DSAPublicKeySpec(y, p, q, g);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
299 privSpec = new DSAPrivateKeySpec(x, p, q, g);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
300 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
301 else if (type.equals("ecdsa-sha2-nistp256")) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
302 keyType = "EC";
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
303 String curveName = tr.readString();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
304 byte[] groupBytes = tr.readByteString();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
305 BigInteger exponent = tr.readMPINT();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
306 comment = tr.readString();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
307
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
308 if (!"nistp256".equals(curveName)) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
309 log.log(2, "Invalid curve name for ecdsa-sha2-nistp256: " + curveName);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
310 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
311 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
312 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
313
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
314 ECParameterSpec nistp256 = ECDSASHA2Verify.EllipticCurves.nistp256;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
315 ECPoint group = ECDSASHA2Verify.decodeECPoint(groupBytes, nistp256.getCurve());
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
316
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
317 if (group == null) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
318 // TODO log error
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
319 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
320 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
321 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
322
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
323 pubSpec = new ECPublicKeySpec(group, nistp256);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
324 privSpec = new ECPrivateKeySpec(exponent, nistp256);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
325 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
326 else {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
327 log.log(2, "Unknown key type: " + type);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
328 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
329 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
330 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
331
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
332 PublicKey pubKey;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
333 PrivateKey privKey;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
334
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
335 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
336 KeyFactory kf = KeyFactory.getInstance(keyType);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
337 pubKey = kf.generatePublic(pubSpec);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
338 privKey = kf.generatePrivate(privSpec);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
339 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
340 catch (NoSuchAlgorithmException ex) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
341 // TODO: log error
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
342 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
343 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
344 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
345 catch (InvalidKeySpecException ex) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
346 // TODO: log error
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
347 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
348 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
349 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
350
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
351 KeyPair pair = new KeyPair(pubKey, privKey);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
352 boolean confirmUse = false;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
353 int lifetime = 0;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
354
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
355 if (checkConstraints) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
356 while (tr.remain() > 0) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
357 int constraint = tr.readByte();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
358
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
359 if (constraint == SSH_AGENT_CONSTRAIN_CONFIRM)
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
360 confirmUse = true;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
361 else if (constraint == SSH_AGENT_CONSTRAIN_LIFETIME)
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
362 lifetime = tr.readUINT32();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
363 else {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
364 // Unknown constraint. Bail.
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
365 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
366 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
367 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
368 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
369 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
370
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
371 if (authAgent.addIdentity(pair, comment, confirmUse, lifetime))
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
372 os.write(SSH_AGENT_SUCCESS);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
373 else
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
374 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
375 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
376 catch (IOException e) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
377 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
378 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
379 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
380 catch (IOException e1) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
381 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
382 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
383 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
384
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
385 /**
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
386 * @param tr
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
387 */
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
388 private void removeIdentity(TypesReader tr) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
389 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
390 if (failWhenLocked())
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
391 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
392
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
393 byte[] publicKey = tr.readByteString();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
394
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
395 if (authAgent.removeIdentity(publicKey))
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
396 os.write(SSH_AGENT_SUCCESS);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
397 else
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
398 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
399 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
400 catch (IOException e) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
401 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
402 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
403 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
404 catch (IOException e1) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
405 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
406 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
407 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
408
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
409 /**
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
410 * @param tr
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
411 */
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
412 private void removeAllIdentities(TypesReader tr) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
413 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
414 if (failWhenLocked())
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
415 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
416
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
417 if (authAgent.removeAllIdentities())
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
418 os.write(SSH_AGENT_SUCCESS);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
419 else
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
420 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
421 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
422 catch (IOException e) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
423 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
424 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
425 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
426 catch (IOException e1) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
427 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
428 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
429 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
430
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
431 private void processSignRequest(TypesReader tr) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
432 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
433 if (failWhenLocked())
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
434 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
435
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
436 byte[] publicKeyBytes = tr.readByteString();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
437 byte[] challenge = tr.readByteString();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
438 int flags = tr.readUINT32();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
439
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
440 if (flags != 0) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
441 // We don't understand any flags; abort!
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
442 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
443 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
444 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
445
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
446 KeyPair pair = authAgent.getKeyPair(publicKeyBytes);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
447
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
448 if (pair == null) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
449 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
450 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
451 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
452
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
453 byte[] response;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
454 PrivateKey privKey = pair.getPrivate();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
455
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
456 if (privKey instanceof RSAPrivateKey) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
457 byte[] signature = RSASHA1Verify.generateSignature(challenge,
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
458 (RSAPrivateKey) privKey);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
459 response = RSASHA1Verify.encodeSSHRSASignature(signature);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
460 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
461 else if (privKey instanceof DSAPrivateKey) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
462 byte[] signature = DSASHA1Verify.generateSignature(challenge,
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
463 (DSAPrivateKey) privKey, new SecureRandom());
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
464 response = DSASHA1Verify.encodeSSHDSASignature(signature);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
465 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
466 else {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
467 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
468 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
469 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
470
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
471 TypesWriter tw = new TypesWriter();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
472 tw.writeByte(SSH2_AGENT_SIGN_RESPONSE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
473 tw.writeString(response, 0, response.length);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
474 sendPacket(tw.getBytes());
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
475 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
476 catch (IOException e) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
477 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
478 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
479 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
480 catch (IOException e1) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
481 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
482 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
483 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
484
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
485 /**
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
486 * @param tr
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
487 */
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
488 private void processLockRequest(TypesReader tr) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
489 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
490 if (failWhenLocked())
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
491 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
492
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
493 String lockPassphrase = tr.readString();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
494
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
495 if (!authAgent.setAgentLock(lockPassphrase)) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
496 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
497 return;
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
498 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
499 else
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
500 os.write(SSH_AGENT_SUCCESS);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
501 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
502 catch (IOException e) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
503 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
504 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
505 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
506 catch (IOException e1) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
507 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
508 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
509 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
510
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
511 /**
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
512 * @param tr
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
513 */
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
514 private void processUnlockRequest(TypesReader tr) {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
515 try {
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
516 String unlockPassphrase = tr.readString();
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
517
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
518 if (authAgent.requestAgentUnlock(unlockPassphrase))
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
519 os.write(SSH_AGENT_SUCCESS);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
520 else
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
521 os.write(SSH_AGENT_FAILURE);
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
522 }
0ce5cc452d02 initial version
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
523 catch (IOException e) {
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524 try {
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525 os.write(SSH_AGENT_FAILURE);
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526 }
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527 catch (IOException e1) {
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528 }
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529 }
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530 }
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531
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532 /**
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533 * @param tw
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534 * @throws IOException
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535 */
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536 private void sendPacket(byte[] message) throws IOException {
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537 TypesWriter packet = new TypesWriter();
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538 packet.writeUINT32(message.length);
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539 packet.writeBytes(message);
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540 os.write(packet.getBytes());
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541 }
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542 }