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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.security;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.BufferedInputStream;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.BufferedOutputStream;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.DataInputStream;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.io.DataOutputStream;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.io.FilterInputStream;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.io.FilterOutputStream;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.io.InputStream;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.io.OutputStream;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.net.InetAddress;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.nio.ByteBuffer;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import javax.security.sasl.Sasl;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import javax.security.sasl.SaslException;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.conf.Configuration;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.io.crypto.aes.CryptoAES;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.security.provider.SaslClientAuthenticationProvider;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.io.WritableUtils;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.ipc.RemoteException;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.security.SaslInputStream;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.security.SaslOutputStream;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.security.token.Token;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.security.token.TokenIdentifier;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.slf4j.Logger;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.slf4j.LoggerFactory;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span>/**<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * A utility class that encapsulates SASL logic for RPC client. Copied from<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * <code>org.apache.hadoop.security</code><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> */<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>@InterfaceAudience.Private<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>public class HBaseSaslRpcClient extends AbstractHBaseSaslRpcClient {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> private static final Logger LOG = LoggerFactory.getLogger(HBaseSaslRpcClient.class);<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private boolean cryptoAesEnable;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> private CryptoAES cryptoAES;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> private InputStream saslInputStream;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> private InputStream cryptoInputStream;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private OutputStream saslOutputStream;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> private OutputStream cryptoOutputStream;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private boolean initStreamForCrypto;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> public HBaseSaslRpcClient(Configuration conf, SaslClientAuthenticationProvider provider,<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> Token<? extends TokenIdentifier> token, InetAddress serverAddr, SecurityInfo securityInfo,<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> boolean fallbackAllowed) throws IOException {<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> super(conf, provider, token, serverAddr, securityInfo, fallbackAllowed);<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> }<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> public HBaseSaslRpcClient(Configuration conf, SaslClientAuthenticationProvider provider,<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> Token<? extends TokenIdentifier> token, InetAddress serverAddr, SecurityInfo securityInfo,<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> boolean fallbackAllowed, String rpcProtection, boolean initStreamForCrypto) throws IOException {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> super(conf, provider, token, serverAddr, securityInfo, fallbackAllowed, rpcProtection);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> this.initStreamForCrypto = initStreamForCrypto;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> }<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private static void readStatus(DataInputStream inStream) throws IOException {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> int status = inStream.readInt(); // read status<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> if (status != SaslStatus.SUCCESS.state) {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> throw new RemoteException(WritableUtils.readString(inStream),<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> WritableUtils.readString(inStream));<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> }<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> /**<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * Do client side SASL authentication with server via the given InputStream and OutputStream<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * @param inS InputStream to use<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> * @param outS OutputStream to use<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> * @return true if connection is set up, or false if needs to switch to simple Auth.<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> */<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> public boolean saslConnect(InputStream inS, OutputStream outS) throws IOException {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> DataInputStream inStream = new DataInputStream(new BufferedInputStream(inS));<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> DataOutputStream outStream = new DataOutputStream(new BufferedOutputStream(outS));<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> try {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> byte[] saslToken = getInitialResponse();<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> if (saslToken != null) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> outStream.writeInt(saslToken.length);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> outStream.write(saslToken, 0, saslToken.length);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> outStream.flush();<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> if (LOG.isDebugEnabled()) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> LOG.debug("Have sent token of size " + saslToken.length + " from initSASLContext.");<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> }<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> }<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> if (!isComplete()) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> readStatus(inStream);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> int len = inStream.readInt();<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> if (len == SaslUtil.SWITCH_TO_SIMPLE_AUTH) {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> if (!fallbackAllowed) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> throw new IOException("Server asks us to fall back to SIMPLE auth, "<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> + "but this client is configured to only allow secure connections.");<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> }<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> if (LOG.isDebugEnabled()) {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> LOG.debug("Server asks us to fall back to simple auth.");<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> }<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> dispose();<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> return false;<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> saslToken = new byte[len];<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> if (LOG.isDebugEnabled()) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> LOG.debug("Will read input token of size " + saslToken.length<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> + " for processing by initSASLContext");<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> inStream.readFully(saslToken);<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<a name="line.125"></a> |
| <span class="sourceLineNo">126</span><a name="line.126"></a> |
| <span class="sourceLineNo">127</span> while (!isComplete()) {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> saslToken = evaluateChallenge(saslToken);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> if (saslToken != null) {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> if (LOG.isDebugEnabled()) {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> LOG.debug("Will send token of size " + saslToken.length + " from initSASLContext.");<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> }<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> outStream.writeInt(saslToken.length);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> outStream.write(saslToken, 0, saslToken.length);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> outStream.flush();<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> if (!isComplete()) {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> readStatus(inStream);<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> saslToken = new byte[inStream.readInt()];<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> if (LOG.isDebugEnabled()) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> LOG.debug("Will read input token of size " + saslToken.length<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> + " for processing by initSASLContext");<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> }<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> inStream.readFully(saslToken);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> }<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> }<a name="line.146"></a> |
| <span class="sourceLineNo">147</span><a name="line.147"></a> |
| <span class="sourceLineNo">148</span> if (LOG.isDebugEnabled()) {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> LOG.debug("SASL client context established. Negotiated QoP: "<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> + saslClient.getNegotiatedProperty(Sasl.QOP));<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> }<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> // initial the inputStream, outputStream for both Sasl encryption<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> // and Crypto AES encryption if necessary<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> // if Crypto AES encryption enabled, the saslInputStream/saslOutputStream is<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> // only responsible for connection header negotiation,<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> // cryptoInputStream/cryptoOutputStream is responsible for rpc encryption with Crypto AES<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> saslInputStream = new SaslInputStream(inS, saslClient);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> saslOutputStream = new SaslOutputStream(outS, saslClient);<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> if (initStreamForCrypto) {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> cryptoInputStream = new WrappedInputStream(inS);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> cryptoOutputStream = new WrappedOutputStream(outS);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> }<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> return true;<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> } catch (IOException e) {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> try {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> saslClient.dispose();<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> } catch (SaslException ignored) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> // ignore further exceptions during cleanup<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> }<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> throw e;<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> }<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<a name="line.173"></a> |
| <span class="sourceLineNo">174</span><a name="line.174"></a> |
| <span class="sourceLineNo">175</span> public String getSaslQOP() {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> return (String) saslClient.getNegotiatedProperty(Sasl.QOP);<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span><a name="line.178"></a> |
| <span class="sourceLineNo">179</span> public void initCryptoCipher(RPCProtos.CryptoCipherMeta cryptoCipherMeta, Configuration conf)<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> throws IOException {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> // create SaslAES for client<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> cryptoAES = EncryptionUtil.createCryptoAES(cryptoCipherMeta, conf);<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> cryptoAesEnable = true;<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> }<a name="line.184"></a> |
| <span class="sourceLineNo">185</span><a name="line.185"></a> |
| <span class="sourceLineNo">186</span> /**<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> * Get a SASL wrapped InputStream. Can be called only after saslConnect() has been called.<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> * @return a SASL wrapped InputStream<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> */<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> public InputStream getInputStream() throws IOException {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> if (!saslClient.isComplete()) {<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> throw new IOException("Sasl authentication exchange hasn't completed yet");<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> }<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> // If Crypto AES is enabled, return cryptoInputStream which unwrap the data with Crypto AES.<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> if (cryptoAesEnable && cryptoInputStream != null) {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> return cryptoInputStream;<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> }<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> return saslInputStream;<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> }<a name="line.199"></a> |
| <span class="sourceLineNo">200</span><a name="line.200"></a> |
| <span class="sourceLineNo">201</span> class WrappedInputStream extends FilterInputStream {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> private ByteBuffer unwrappedRpcBuffer = ByteBuffer.allocate(0);<a name="line.202"></a> |
| <span class="sourceLineNo">203</span><a name="line.203"></a> |
| <span class="sourceLineNo">204</span> public WrappedInputStream(InputStream in) throws IOException {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> super(in);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> }<a name="line.206"></a> |
| <span class="sourceLineNo">207</span><a name="line.207"></a> |
| <span class="sourceLineNo">208</span> @Override<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> public int read() throws IOException {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> byte[] b = new byte[1];<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> int n = read(b, 0, 1);<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> return (n != -1) ? b[0] : -1;<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> }<a name="line.213"></a> |
| <span class="sourceLineNo">214</span><a name="line.214"></a> |
| <span class="sourceLineNo">215</span> @Override<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> public int read(byte b[]) throws IOException {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> return read(b, 0, b.length);<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> }<a name="line.218"></a> |
| <span class="sourceLineNo">219</span><a name="line.219"></a> |
| <span class="sourceLineNo">220</span> @Override<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> public synchronized int read(byte[] buf, int off, int len) throws IOException {<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> // fill the buffer with the next RPC message<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> if (unwrappedRpcBuffer.remaining() == 0) {<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> readNextRpcPacket();<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> }<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> // satisfy as much of the request as possible<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> int readLen = Math.min(len, unwrappedRpcBuffer.remaining());<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> unwrappedRpcBuffer.get(buf, off, readLen);<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> return readLen;<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> }<a name="line.230"></a> |
| <span class="sourceLineNo">231</span><a name="line.231"></a> |
| <span class="sourceLineNo">232</span> // unwrap messages with Crypto AES<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> private void readNextRpcPacket() throws IOException {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> LOG.debug("reading next wrapped RPC packet");<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> DataInputStream dis = new DataInputStream(in);<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> int rpcLen = dis.readInt();<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> byte[] rpcBuf = new byte[rpcLen];<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> dis.readFully(rpcBuf);<a name="line.238"></a> |
| <span class="sourceLineNo">239</span><a name="line.239"></a> |
| <span class="sourceLineNo">240</span> // unwrap with Crypto AES<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> rpcBuf = cryptoAES.unwrap(rpcBuf, 0, rpcBuf.length);<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> if (LOG.isDebugEnabled()) {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> LOG.debug("unwrapping token of length:" + rpcBuf.length);<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> }<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> unwrappedRpcBuffer = ByteBuffer.wrap(rpcBuf);<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> }<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> }<a name="line.247"></a> |
| <span class="sourceLineNo">248</span><a name="line.248"></a> |
| <span class="sourceLineNo">249</span> /**<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> * Get a SASL wrapped OutputStream. Can be called only after saslConnect() has been called.<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> * @return a SASL wrapped OutputStream<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> */<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> public OutputStream getOutputStream() throws IOException {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> if (!saslClient.isComplete()) {<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> throw new IOException("Sasl authentication exchange hasn't completed yet");<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> }<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> // If Crypto AES is enabled, return cryptoOutputStream which wrap the data with Crypto AES.<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> if (cryptoAesEnable && cryptoOutputStream != null) {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> return cryptoOutputStream;<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> return saslOutputStream;<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> }<a name="line.262"></a> |
| <span class="sourceLineNo">263</span><a name="line.263"></a> |
| <span class="sourceLineNo">264</span> class WrappedOutputStream extends FilterOutputStream {<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> public WrappedOutputStream(OutputStream out) throws IOException {<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> super(out);<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> }<a name="line.267"></a> |
| <span class="sourceLineNo">268</span><a name="line.268"></a> |
| <span class="sourceLineNo">269</span> @Override<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> public void write(byte[] buf, int off, int len) throws IOException {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> if (LOG.isDebugEnabled()) {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> LOG.debug("wrapping token of length:" + len);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span><a name="line.274"></a> |
| <span class="sourceLineNo">275</span> // wrap with Crypto AES<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> byte[] wrapped = cryptoAES.wrap(buf, off, len);<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> DataOutputStream dob = new DataOutputStream(out);<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> dob.writeInt(wrapped.length);<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> dob.write(wrapped, 0, wrapped.length);<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> dob.flush();<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> }<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span>}<a name="line.283"></a> |
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| </div> |
| </body> |
| </html> |
