Mercurial > 510Connectbot
annotate src/com/five_ten_sg/connectbot/service/AuthAgentService.java @ 307:071eccdff8ea ganymed
fix java formatting
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Wed, 30 Jul 2014 14:16:58 -0700 |
| parents | c1f929cb3dd0 |
| children | b40bc65fa09a |
| rev | line source |
|---|---|
| 0 | 1 package com.five_ten_sg.connectbot.service; |
| 2 | |
| 3 import java.io.IOException; | |
| 4 import java.security.SecureRandom; | |
| 5 import java.security.KeyPair; | |
| 6 import java.security.PrivateKey; | |
| 7 import java.security.PublicKey; | |
| 8 import java.security.interfaces.DSAPrivateKey; | |
| 9 import java.security.interfaces.DSAPublicKey; | |
| 10 import java.security.interfaces.ECPrivateKey; | |
| 11 import java.security.interfaces.ECPublicKey; | |
| 12 import java.security.interfaces.RSAPrivateKey; | |
| 13 import java.security.interfaces.RSAPublicKey; | |
| 14 import java.util.HashMap; | |
| 15 import java.util.Map; | |
| 16 import java.util.Map.Entry; | |
| 17 import java.util.concurrent.locks.Condition; | |
| 18 import java.util.concurrent.locks.Lock; | |
| 19 import java.util.concurrent.locks.ReentrantLock; | |
| 20 | |
| 21 import com.five_ten_sg.connectbot.service.TerminalManager; | |
| 22 import com.five_ten_sg.connectbot.service.TerminalManager.KeyHolder; | |
| 23 import android.app.Service; | |
| 24 import android.content.ComponentName; | |
| 25 import android.content.Intent; | |
| 26 import android.content.ServiceConnection; | |
| 27 import android.os.IBinder; | |
| 28 import android.os.RemoteException; | |
| 29 import android.util.Log; | |
| 30 | |
| 31 import com.madgag.ssh.android.authagent.AndroidAuthAgent; | |
|
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32 import ch.ethz.ssh2.signature.DSASHA1Verify; |
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33 import ch.ethz.ssh2.signature.ECDSASHA2Verify; |
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34 import ch.ethz.ssh2.signature.RSASHA1Verify; |
| 0 | 35 |
| 36 public class AuthAgentService extends Service { | |
| 37 private static final String TAG = "ConnectBot.AuthAgentService"; | |
| 38 protected TerminalManager manager; | |
| 39 final Lock lock = new ReentrantLock(); | |
| 40 final Condition managerReady = lock.newCondition(); | |
| 41 | |
| 42 private ServiceConnection connection = new ServiceConnection() { | |
| 43 public void onServiceConnected(ComponentName className, IBinder service) { | |
| 44 Log.d(TAG, "Terminal manager available! Hurrah"); | |
| 45 manager = ((TerminalManager.TerminalBinder) service).getService(); | |
| 46 lock.lock(); | |
| 47 | |
| 48 try { | |
| 49 managerReady.signal(); | |
| 50 } | |
| 51 finally { | |
| 52 lock.unlock(); | |
| 53 } | |
| 54 } | |
| 55 public void onServiceDisconnected(ComponentName className) { | |
| 56 manager = null; | |
| 57 Log.d(TAG, "Terminal manager gone..."); | |
| 58 } | |
| 59 }; | |
| 60 | |
| 61 @Override | |
| 62 public IBinder onBind(Intent intent) { | |
| 63 Log.d(TAG, "onBind() called"); | |
| 64 bindService(new Intent(this, TerminalManager.class), connection, BIND_AUTO_CREATE); | |
| 65 return mBinder; | |
| 66 } | |
| 67 | |
| 68 private final AndroidAuthAgent.Stub mBinder = new AndroidAuthAgent.Stub() { | |
| 69 public Map getIdentities() throws RemoteException { | |
| 70 Log.d(TAG, "getIdentities() called"); | |
| 71 waitForTerminalManager(); | |
| 72 Log.d(TAG, "getIdentities() manager.loadedKeypairs : " + manager.loadedKeypairs); | |
| 73 return sshEncodedPubKeysFrom(manager.loadedKeypairs); | |
| 74 } | |
| 75 public byte[] sign(byte[] publicKey, byte[] data) throws RemoteException { | |
| 76 Log.d(TAG, "sign() called"); | |
| 77 waitForTerminalManager(); | |
| 78 KeyPair pair = keyPairFor(publicKey); | |
| 79 Log.d(TAG, "sign() - signing keypair found : " + pair); | |
| 80 | |
| 81 if (pair == null) { | |
| 82 return null; | |
| 83 } | |
| 84 | |
| 85 PrivateKey privKey = pair.getPrivate(); | |
| 86 | |
| 87 if (privKey instanceof RSAPrivateKey) { | |
| 88 return sshEncodedSignatureFor(data, (RSAPrivateKey) privKey); | |
| 89 } | |
| 90 else if (privKey instanceof DSAPrivateKey) { | |
| 91 return sshEncodedSignatureFor(data, (DSAPrivateKey) privKey); | |
| 92 } | |
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93 else if (privKey instanceof ECPrivateKey) { |
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94 return sshEncodedSignatureFor(data, (ECPrivateKey) privKey); |
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95 } |
| 0 | 96 |
| 97 return null; | |
| 98 } | |
| 99 private void waitForTerminalManager() throws RemoteException { | |
| 100 lock.lock(); | |
| 101 | |
| 102 try { | |
| 103 while (manager == null) { | |
| 104 Log.d(TAG, "Waiting for TerminalManager..."); | |
| 105 managerReady.await(); | |
| 106 } | |
| 107 } | |
| 108 catch (InterruptedException e) { | |
| 109 throw new RemoteException(); | |
| 110 } | |
| 111 finally { | |
| 112 lock.unlock(); | |
| 113 } | |
| 114 | |
| 115 Log.d(TAG, "Got TerminalManager : " + manager); | |
| 116 } | |
| 117 private Map<String, byte[]> sshEncodedPubKeysFrom(Map<String, KeyHolder> keypairs) { | |
| 118 Map<String, byte[]> pubkeys = new HashMap<String, byte[]> (keypairs.size()); | |
| 119 | |
| 120 for (Entry<String, KeyHolder> entry : keypairs.entrySet()) { | |
| 121 byte[] encodedKey = sshEncodedPubKeyFrom(entry.getValue().pair); | |
| 122 | |
| 123 if (encodedKey != null) { | |
| 124 pubkeys.put(entry.getKey(), encodedKey); | |
| 125 } | |
| 126 } | |
| 127 | |
| 128 return pubkeys; | |
| 129 } | |
| 130 private byte[] sshEncodedPubKeyFrom(KeyPair pair) { | |
| 131 try { | |
| 132 PrivateKey privKey = pair.getPrivate(); | |
| 133 | |
| 134 if (privKey instanceof RSAPrivateKey) { | |
| 135 RSAPublicKey pubkey = (RSAPublicKey)pair.getPublic(); | |
| 136 return RSASHA1Verify.encodeSSHRSAPublicKey(pubkey); | |
| 137 } | |
| 138 else if (privKey instanceof DSAPrivateKey) { | |
| 139 DSAPublicKey pubkey = (DSAPublicKey)pair.getPublic(); | |
| 140 return DSASHA1Verify.encodeSSHDSAPublicKey(pubkey); | |
| 141 } | |
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142 else if (privKey instanceof ECPrivateKey) { |
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143 ECPublicKey pubkey = (ECPublicKey) pair.getPublic(); |
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144 return ECDSASHA2Verify.encodeSSHECDSAPublicKey(pubkey); |
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145 } |
| 0 | 146 } |
| 147 catch (IOException e) { | |
| 148 Log.e(TAG, "Couldn't encode " + pair, e); | |
| 149 } | |
| 150 | |
| 151 return null; | |
| 152 } | |
| 153 private byte[] sshEncodedSignatureFor(byte[] data, RSAPrivateKey privKey) { | |
| 154 try { | |
| 155 byte[] signature = RSASHA1Verify.generateSignature(data, privKey); | |
| 156 return RSASHA1Verify.encodeSSHRSASignature(signature); | |
| 157 } | |
| 158 catch (IOException e) { | |
| 159 throw new RuntimeException(e); | |
| 160 } | |
| 161 } | |
| 162 private byte[] sshEncodedSignatureFor(byte[] data, DSAPrivateKey privKey) { | |
| 163 try { | |
| 164 byte[] signature = DSASHA1Verify.generateSignature(data, privKey, new SecureRandom()); | |
| 165 return DSASHA1Verify.encodeSSHDSASignature(signature); | |
| 166 } | |
| 167 catch (IOException e) { | |
| 168 throw new RuntimeException(e); | |
| 169 } | |
| 170 } | |
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171 private byte[] sshEncodedSignatureFor(byte[] data, ECPrivateKey privKey) { |
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172 try { |
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173 byte[] signature = ECDSASHA2Verify.generateSignature(data, privKey); |
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174 return ECDSASHA2Verify.encodeSSHECDSASignature(signature, privKey.getParams()); |
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175 } |
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176 catch (IOException e) { |
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177 throw new RuntimeException(e); |
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178 } |
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179 } |
| 0 | 180 private KeyPair keyPairFor(byte[] publicKey) { |
| 181 String nickname = manager.getKeyNickname(publicKey); | |
| 182 | |
| 183 if (nickname == null) { | |
| 184 Log.w(TAG, "No key-pair found for public-key."); | |
| 185 return null; | |
| 186 } | |
| 187 | |
| 188 // check manager.loadedKeypairs.get(nickname).bean.isConfirmUse() and promptForPubkeyUse(nickname) ? | |
| 189 return manager.getKey(nickname); | |
| 190 } | |
| 191 }; | |
| 192 } |