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@@ -0,0 +1,924 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd";>
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css"
title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<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.ipc;<a
name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.io.ByteArrayInputStream;<a
name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.io.ByteArrayOutputStream;<a
name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.io.Closeable;<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.IOException;<a
name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.net.InetAddress;<a
name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.net.InetSocketAddress;<a
name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.nio.ByteBuffer;<a
name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.nio.channels.Channels;<a
name="line.28"></a>
+<span class="sourceLineNo">029</span>import
java.nio.channels.ReadableByteChannel;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import
java.security.GeneralSecurityException;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import
java.security.PrivilegedExceptionAction;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.Properties;<a
name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span>import javax.security.sasl.Sasl;<a
name="line.34"></a>
+<span class="sourceLineNo">035</span>import
javax.security.sasl.SaslException;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import javax.security.sasl.SaslServer;<a
name="line.36"></a>
+<span class="sourceLineNo">037</span><a name="line.37"></a>
+<span class="sourceLineNo">038</span>import
org.apache.commons.crypto.cipher.CryptoCipherFactory;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import
org.apache.commons.crypto.random.CryptoRandom;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import
org.apache.commons.crypto.random.CryptoRandomFactory;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import
org.apache.hadoop.hbase.CellScanner;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import
org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import
org.apache.hadoop.hbase.client.VersionInfoUtil;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import
org.apache.hadoop.hbase.codec.Codec;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import
org.apache.hadoop.hbase.io.ByteBufferOutputStream;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import
org.apache.hadoop.hbase.io.crypto.aes.CryptoAES;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import
org.apache.hadoop.hbase.ipc.RpcServer.CallCleanup;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import
org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import
org.apache.hadoop.hbase.nio.SingleByteBuff;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import
org.apache.hadoop.hbase.security.AccessDeniedException;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import
org.apache.hadoop.hbase.security.AuthMethod;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import
org.apache.hadoop.hbase.security.HBaseSaslRpcServer;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import
org.apache.hadoop.hbase.security.HBaseSaslRpcServer.SaslDigestCallbackHandler;<a
name="line.53"></a>
+<span class="sourceLineNo">054</span>import
org.apache.hadoop.hbase.security.HBaseSaslRpcServer.SaslGssCallbackHandler;<a
name="line.54"></a>
+<span class="sourceLineNo">055</span>import
org.apache.hadoop.hbase.security.SaslStatus;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import
org.apache.hadoop.hbase.security.SaslUtil;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import
org.apache.hadoop.hbase.security.User;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import
org.apache.hadoop.hbase.shaded.com.google.protobuf.BlockingService;<a
name="line.58"></a>
+<span class="sourceLineNo">059</span>import
org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteInput;<a
name="line.59"></a>
+<span class="sourceLineNo">060</span>import
org.apache.hadoop.hbase.shaded.com.google.protobuf.ByteString;<a
name="line.60"></a>
+<span class="sourceLineNo">061</span>import
org.apache.hadoop.hbase.shaded.com.google.protobuf.CodedInputStream;<a
name="line.61"></a>
+<span class="sourceLineNo">062</span>import
org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.MethodDescriptor;<a
name="line.62"></a>
+<span class="sourceLineNo">063</span>import
org.apache.hadoop.hbase.shaded.com.google.protobuf.Message;<a
name="line.63"></a>
+<span class="sourceLineNo">064</span>import
org.apache.hadoop.hbase.shaded.com.google.protobuf.TextFormat;<a
name="line.64"></a>
+<span class="sourceLineNo">065</span>import
org.apache.hadoop.hbase.shaded.com.google.protobuf.UnsafeByteOperations;<a
name="line.65"></a>
+<span class="sourceLineNo">066</span>import
org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>import
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.VersionInfo;<a
name="line.67"></a>
+<span class="sourceLineNo">068</span>import
org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos;<a
name="line.68"></a>
+<span class="sourceLineNo">069</span>import
org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.ConnectionHeader;<a
name="line.69"></a>
+<span class="sourceLineNo">070</span>import
org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader;<a
name="line.70"></a>
+<span class="sourceLineNo">071</span>import
org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.UserInformation;<a
name="line.71"></a>
+<span class="sourceLineNo">072</span>import
org.apache.hadoop.hbase.util.Bytes;<a name="line.72"></a>
+<span class="sourceLineNo">073</span>import
org.apache.hadoop.io.BytesWritable;<a name="line.73"></a>
+<span class="sourceLineNo">074</span>import org.apache.hadoop.io.Writable;<a
name="line.74"></a>
+<span class="sourceLineNo">075</span>import
org.apache.hadoop.io.WritableUtils;<a name="line.75"></a>
+<span class="sourceLineNo">076</span>import
org.apache.hadoop.io.compress.CompressionCodec;<a name="line.76"></a>
+<span class="sourceLineNo">077</span>import
org.apache.hadoop.security.UserGroupInformation;<a name="line.77"></a>
+<span class="sourceLineNo">078</span>import
org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod;<a
name="line.78"></a>
+<span class="sourceLineNo">079</span>import
org.apache.hadoop.security.authorize.AuthorizationException;<a
name="line.79"></a>
+<span class="sourceLineNo">080</span>import
org.apache.hadoop.security.authorize.ProxyUsers;<a name="line.80"></a>
+<span class="sourceLineNo">081</span>import
org.apache.hadoop.security.token.SecretManager.InvalidToken;<a
name="line.81"></a>
+<span class="sourceLineNo">082</span>import
org.apache.hadoop.security.token.TokenIdentifier;<a name="line.82"></a>
+<span class="sourceLineNo">083</span>import org.apache.htrace.TraceInfo;<a
name="line.83"></a>
+<span class="sourceLineNo">084</span><a name="line.84"></a>
+<span class="sourceLineNo">085</span>/** Reads calls from a connection and
queues them for handling. */<a name="line.85"></a>
+<span
class="sourceLineNo">086</span>@edu.umd.cs.findbugs.annotations.SuppressWarnings(<a
name="line.86"></a>
+<span class="sourceLineNo">087</span> value="VO_VOLATILE_INCREMENT",<a
name="line.87"></a>
+<span class="sourceLineNo">088</span> justification="False positive
according to http://sourceforge.net/p/findbugs/bugs/1032/";)<a
name="line.88"></a>
+<span class="sourceLineNo">089</span>abstract class ServerRpcConnection
implements Closeable {<a name="line.89"></a>
+<span class="sourceLineNo">090</span> /** */<a name="line.90"></a>
+<span class="sourceLineNo">091</span> protected final RpcServer rpcServer;<a
name="line.91"></a>
+<span class="sourceLineNo">092</span> // If initial preamble with version and
magic has been read or not.<a name="line.92"></a>
+<span class="sourceLineNo">093</span> protected boolean
connectionPreambleRead = false;<a name="line.93"></a>
+<span class="sourceLineNo">094</span> // If the connection header has been
read or not.<a name="line.94"></a>
+<span class="sourceLineNo">095</span> protected boolean connectionHeaderRead
= false;<a name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span> protected CallCleanup callCleanup;<a
name="line.97"></a>
+<span class="sourceLineNo">098</span><a name="line.98"></a>
+<span class="sourceLineNo">099</span> // Cache the remote host & port
info so that even if the socket is<a name="line.99"></a>
+<span class="sourceLineNo">100</span> // disconnected, we can say where it
used to connect to.<a name="line.100"></a>
+<span class="sourceLineNo">101</span> protected String hostAddress;<a
name="line.101"></a>
+<span class="sourceLineNo">102</span> protected int remotePort;<a
name="line.102"></a>
+<span class="sourceLineNo">103</span> protected InetAddress addr;<a
name="line.103"></a>
+<span class="sourceLineNo">104</span> protected ConnectionHeader
connectionHeader;<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> /**<a name="line.106"></a>
+<span class="sourceLineNo">107</span> * Codec the client asked use.<a
name="line.107"></a>
+<span class="sourceLineNo">108</span> */<a name="line.108"></a>
+<span class="sourceLineNo">109</span> protected Codec codec;<a
name="line.109"></a>
+<span class="sourceLineNo">110</span> /**<a name="line.110"></a>
+<span class="sourceLineNo">111</span> * Compression codec the client asked
us use.<a name="line.111"></a>
+<span class="sourceLineNo">112</span> */<a name="line.112"></a>
+<span class="sourceLineNo">113</span> protected CompressionCodec
compressionCodec;<a name="line.113"></a>
+<span class="sourceLineNo">114</span> protected BlockingService service;<a
name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span> protected AuthMethod authMethod;<a
name="line.116"></a>
+<span class="sourceLineNo">117</span> protected boolean
saslContextEstablished;<a name="line.117"></a>
+<span class="sourceLineNo">118</span> protected boolean
skipInitialSaslHandshake;<a name="line.118"></a>
+<span class="sourceLineNo">119</span> private ByteBuffer unwrappedData;<a
name="line.119"></a>
+<span class="sourceLineNo">120</span> // When is this set? FindBugs wants to
know! Says NP<a name="line.120"></a>
+<span class="sourceLineNo">121</span> private ByteBuffer
unwrappedDataLengthBuffer = ByteBuffer.allocate(4);<a name="line.121"></a>
+<span class="sourceLineNo">122</span> protected boolean useSasl;<a
name="line.122"></a>
+<span class="sourceLineNo">123</span> protected SaslServer saslServer;<a
name="line.123"></a>
+<span class="sourceLineNo">124</span> protected CryptoAES cryptoAES;<a
name="line.124"></a>
+<span class="sourceLineNo">125</span> protected boolean useWrap = false;<a
name="line.125"></a>
+<span class="sourceLineNo">126</span> protected boolean useCryptoAesWrap =
false;<a name="line.126"></a>
+<span class="sourceLineNo">127</span> // Fake 'call' for failed authorization
response<a name="line.127"></a>
+<span class="sourceLineNo">128</span> protected static final int
AUTHORIZATION_FAILED_CALLID = -1;<a name="line.128"></a>
+<span class="sourceLineNo">129</span> protected ServerCall<?>
authFailedCall;<a name="line.129"></a>
+<span class="sourceLineNo">130</span> protected ByteArrayOutputStream
authFailedResponse =<a name="line.130"></a>
+<span class="sourceLineNo">131</span> new ByteArrayOutputStream();<a
name="line.131"></a>
+<span class="sourceLineNo">132</span> // Fake 'call' for SASL context setup<a
name="line.132"></a>
+<span class="sourceLineNo">133</span> protected static final int SASL_CALLID
= -33;<a name="line.133"></a>
+<span class="sourceLineNo">134</span> protected ServerCall<?>
saslCall;<a name="line.134"></a>
+<span class="sourceLineNo">135</span> // Fake 'call' for connection header
response<a name="line.135"></a>
+<span class="sourceLineNo">136</span> protected static final int
CONNECTION_HEADER_RESPONSE_CALLID = -34;<a name="line.136"></a>
+<span class="sourceLineNo">137</span> protected ServerCall<?>
setConnectionHeaderResponseCall;<a name="line.137"></a>
+<span class="sourceLineNo">138</span><a name="line.138"></a>
+<span class="sourceLineNo">139</span> // was authentication allowed with a
fallback to simple auth<a name="line.139"></a>
+<span class="sourceLineNo">140</span> protected boolean
authenticatedWithFallback;<a name="line.140"></a>
+<span class="sourceLineNo">141</span><a name="line.141"></a>
+<span class="sourceLineNo">142</span> protected boolean
retryImmediatelySupported = false;<a name="line.142"></a>
+<span class="sourceLineNo">143</span><a name="line.143"></a>
+<span class="sourceLineNo">144</span> private UserGroupInformation
attemptingUser = null; // user name before auth<a name="line.144"></a>
+<span class="sourceLineNo">145</span> protected User user = null;<a
name="line.145"></a>
+<span class="sourceLineNo">146</span> protected UserGroupInformation ugi =
null;<a name="line.146"></a>
+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span> public ServerRpcConnection(RpcServer
rpcServer) {<a name="line.148"></a>
+<span class="sourceLineNo">149</span> this.rpcServer = rpcServer;<a
name="line.149"></a>
+<span class="sourceLineNo">150</span> this.callCleanup = null;<a
name="line.150"></a>
+<span class="sourceLineNo">151</span> }<a name="line.151"></a>
+<span class="sourceLineNo">152</span><a name="line.152"></a>
+<span class="sourceLineNo">153</span> @Override<a name="line.153"></a>
+<span class="sourceLineNo">154</span> public String toString() {<a
name="line.154"></a>
+<span class="sourceLineNo">155</span> return getHostAddress() + ":" +
remotePort;<a name="line.155"></a>
+<span class="sourceLineNo">156</span> }<a name="line.156"></a>
+<span class="sourceLineNo">157</span><a name="line.157"></a>
+<span class="sourceLineNo">158</span> public String getHostAddress() {<a
name="line.158"></a>
+<span class="sourceLineNo">159</span> return hostAddress;<a
name="line.159"></a>
+<span class="sourceLineNo">160</span> }<a name="line.160"></a>
+<span class="sourceLineNo">161</span><a name="line.161"></a>
+<span class="sourceLineNo">162</span> public InetAddress getHostInetAddress()
{<a name="line.162"></a>
+<span class="sourceLineNo">163</span> return addr;<a name="line.163"></a>
+<span class="sourceLineNo">164</span> }<a name="line.164"></a>
+<span class="sourceLineNo">165</span><a name="line.165"></a>
+<span class="sourceLineNo">166</span> public int getRemotePort() {<a
name="line.166"></a>
+<span class="sourceLineNo">167</span> return remotePort;<a
name="line.167"></a>
+<span class="sourceLineNo">168</span> }<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> public VersionInfo getVersionInfo() {<a
name="line.170"></a>
+<span class="sourceLineNo">171</span> if
(connectionHeader.hasVersionInfo()) {<a name="line.171"></a>
+<span class="sourceLineNo">172</span> return
connectionHeader.getVersionInfo();<a name="line.172"></a>
+<span class="sourceLineNo">173</span> }<a name="line.173"></a>
+<span class="sourceLineNo">174</span> return null;<a name="line.174"></a>
+<span class="sourceLineNo">175</span> }<a name="line.175"></a>
+<span class="sourceLineNo">176</span><a name="line.176"></a>
+<span class="sourceLineNo">177</span> protected String
getFatalConnectionString(final int version, final byte authByte) {<a
name="line.177"></a>
+<span class="sourceLineNo">178</span> return "serverVersion=" +
RpcServer.CURRENT_VERSION +<a name="line.178"></a>
+<span class="sourceLineNo">179</span> ", clientVersion=" + version + ",
authMethod=" + authByte +<a name="line.179"></a>
+<span class="sourceLineNo">180</span> ", authSupported=" + (authMethod !=
null) + " from " + toString();<a name="line.180"></a>
+<span class="sourceLineNo">181</span> }<a name="line.181"></a>
+<span class="sourceLineNo">182</span><a name="line.182"></a>
+<span class="sourceLineNo">183</span> protected UserGroupInformation
getAuthorizedUgi(String authorizedId)<a name="line.183"></a>
+<span class="sourceLineNo">184</span> throws IOException {<a
name="line.184"></a>
+<span class="sourceLineNo">185</span> UserGroupInformation authorizedUgi;<a
name="line.185"></a>
+<span class="sourceLineNo">186</span> if (authMethod == AuthMethod.DIGEST)
{<a name="line.186"></a>
+<span class="sourceLineNo">187</span> TokenIdentifier tokenId =
HBaseSaslRpcServer.getIdentifier(authorizedId,<a name="line.187"></a>
+<span class="sourceLineNo">188</span>
this.rpcServer.secretManager);<a name="line.188"></a>
+<span class="sourceLineNo">189</span> authorizedUgi =
tokenId.getUser();<a name="line.189"></a>
+<span class="sourceLineNo">190</span> if (authorizedUgi == null) {<a
name="line.190"></a>
+<span class="sourceLineNo">191</span> throw new
AccessDeniedException(<a name="line.191"></a>
+<span class="sourceLineNo">192</span> "Can't retrieve username from
tokenIdentifier.");<a name="line.192"></a>
+<span class="sourceLineNo">193</span> }<a name="line.193"></a>
+<span class="sourceLineNo">194</span>
authorizedUgi.addTokenIdentifier(tokenId);<a name="line.194"></a>
+<span class="sourceLineNo">195</span> } else {<a name="line.195"></a>
+<span class="sourceLineNo">196</span> authorizedUgi =
UserGroupInformation.createRemoteUser(authorizedId);<a name="line.196"></a>
+<span class="sourceLineNo">197</span> }<a name="line.197"></a>
+<span class="sourceLineNo">198</span>
authorizedUgi.setAuthenticationMethod(authMethod.authenticationMethod.getAuthMethod());<a
name="line.198"></a>
+<span class="sourceLineNo">199</span> return authorizedUgi;<a
name="line.199"></a>
+<span class="sourceLineNo">200</span> }<a name="line.200"></a>
+<span class="sourceLineNo">201</span><a name="line.201"></a>
+<span class="sourceLineNo">202</span> /**<a name="line.202"></a>
+<span class="sourceLineNo">203</span> * Set up cell block codecs<a
name="line.203"></a>
+<span class="sourceLineNo">204</span> * @throws FatalConnectionException<a
name="line.204"></a>
+<span class="sourceLineNo">205</span> */<a name="line.205"></a>
+<span class="sourceLineNo">206</span> protected void
setupCellBlockCodecs(final ConnectionHeader header)<a name="line.206"></a>
+<span class="sourceLineNo">207</span> throws FatalConnectionException {<a
name="line.207"></a>
+<span class="sourceLineNo">208</span> // TODO: Plug in other supported
decoders.<a name="line.208"></a>
+<span class="sourceLineNo">209</span> if (!header.hasCellBlockCodecClass())
return;<a name="line.209"></a>
+<span class="sourceLineNo">210</span> String className =
header.getCellBlockCodecClass();<a name="line.210"></a>
+<span class="sourceLineNo">211</span> if (className == null ||
className.length() == 0) return;<a name="line.211"></a>
+<span class="sourceLineNo">212</span> try {<a name="line.212"></a>
+<span class="sourceLineNo">213</span> this.codec =
(Codec)Class.forName(className).newInstance();<a name="line.213"></a>
+<span class="sourceLineNo">214</span> } catch (Exception e) {<a
name="line.214"></a>
+<span class="sourceLineNo">215</span> throw new
UnsupportedCellCodecException(className, e);<a name="line.215"></a>
+<span class="sourceLineNo">216</span> }<a name="line.216"></a>
+<span class="sourceLineNo">217</span> if
(!header.hasCellBlockCompressorClass()) return;<a name="line.217"></a>
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header.getCellBlockCompressorClass();<a name="line.218"></a>
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(CompressionCodec)Class.forName(className).newInstance();<a name="line.220"></a>
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name="line.221"></a>
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UnsupportedCompressionCodecException(className, e);<a name="line.222"></a>
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+<span class="sourceLineNo">224</span> }<a name="line.224"></a>
+<span class="sourceLineNo">225</span><a name="line.225"></a>
+<span class="sourceLineNo">226</span> /**<a name="line.226"></a>
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with Apache Commons Crypto<a name="line.227"></a>
+<span class="sourceLineNo">228</span> *<a name="line.228"></a>
+<span class="sourceLineNo">229</span> * @throws FatalConnectionException<a
name="line.229"></a>
+<span class="sourceLineNo">230</span> */<a name="line.230"></a>
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ConnectionHeader header,<a name="line.231"></a>
+<span class="sourceLineNo">232</span>
RPCProtos.ConnectionHeaderResponse.Builder chrBuilder)<a name="line.232"></a>
+<span class="sourceLineNo">233</span> throws FatalConnectionException {<a
name="line.233"></a>
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name="line.234"></a>
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name="line.235"></a>
+<span class="sourceLineNo">236</span> // check if rpc encryption with
Crypto AES<a name="line.236"></a>
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saslServer.getNegotiatedProperty(Sasl.QOP);<a name="line.237"></a>
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SaslUtil.QualityOfProtection.PRIVACY<a name="line.238"></a>
+<span class="sourceLineNo">239</span>
.getSaslQop().equalsIgnoreCase(qop);<a name="line.239"></a>
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isEncryption && this.rpcServer.conf.getBoolean(<a name="line.240"></a>
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"hbase.rpc.crypto.encryption.aes.enabled", false);<a name="line.241"></a>
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name="line.242"></a>
+<span class="sourceLineNo">243</span> if
(!header.hasRpcCryptoCipherTransformation()) return;<a name="line.243"></a>
+<span class="sourceLineNo">244</span> String transformation =
header.getRpcCryptoCipherTransformation();<a name="line.244"></a>
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transformation.length() == 0) return;<a name="line.245"></a>
+<span class="sourceLineNo">246</span> // Negotiates AES based on complete
saslServer.<a name="line.246"></a>
+<span class="sourceLineNo">247</span> // The Crypto metadata need to be
encrypted and send to client.<a name="line.247"></a>
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Properties();<a name="line.248"></a>
+<span class="sourceLineNo">249</span> // the property for
SecureRandomFactory<a name="line.249"></a>
+<span class="sourceLineNo">250</span>
properties.setProperty(CryptoRandomFactory.CLASSES_KEY,<a name="line.250"></a>
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this.rpcServer.conf.get("hbase.crypto.sasl.encryption.aes.crypto.random",<a
name="line.251"></a>
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"org.apache.commons.crypto.random.JavaCryptoRandom"));<a name="line.252"></a>
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name="line.253"></a>
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properties.setProperty(CryptoCipherFactory.CLASSES_KEY,<a name="line.254"></a>
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this.rpcServer.conf.get("hbase.rpc.crypto.encryption.aes.cipher.class",<a
name="line.255"></a>
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"org.apache.commons.crypto.cipher.JceCipher"));<a name="line.256"></a>
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this.rpcServer.conf.getInt(<a name="line.258"></a>
+<span class="sourceLineNo">259</span>
"hbase.rpc.crypto.encryption.aes.cipher.keySizeBits", 128);<a
name="line.259"></a>
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name="line.260"></a>
+<span class="sourceLineNo">261</span> if (cipherKeyBits % 8 != 0) {<a
name="line.261"></a>
+<span class="sourceLineNo">262</span> throw new
IllegalArgumentException("The AES cipher key size in bits" +<a
name="line.262"></a>
+<span class="sourceLineNo">263</span> " should be a multiple of
byte");<a name="line.263"></a>
+<span class="sourceLineNo">264</span> }<a name="line.264"></a>
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name="line.265"></a>
+<span class="sourceLineNo">266</span> byte[] inKey = new byte[len];<a
name="line.266"></a>
+<span class="sourceLineNo">267</span> byte[] outKey = new byte[len];<a
name="line.267"></a>
+<span class="sourceLineNo">268</span> byte[] inIv = new byte[len];<a
name="line.268"></a>
+<span class="sourceLineNo">269</span> byte[] outIv = new byte[len];<a
name="line.269"></a>
+<span class="sourceLineNo">270</span><a name="line.270"></a>
+<span class="sourceLineNo">271</span> try {<a name="line.271"></a>
+<span class="sourceLineNo">272</span> // generate the cipher meta data
with SecureRandom<a name="line.272"></a>
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CryptoRandomFactory.getCryptoRandom(properties);<a name="line.273"></a>
+<span class="sourceLineNo">274</span> secureRandom.nextBytes(inKey);<a
name="line.274"></a>
+<span class="sourceLineNo">275</span> secureRandom.nextBytes(outKey);<a
name="line.275"></a>
+<span class="sourceLineNo">276</span> secureRandom.nextBytes(inIv);<a
name="line.276"></a>
+<span class="sourceLineNo">277</span> secureRandom.nextBytes(outIv);<a
name="line.277"></a>
+<span class="sourceLineNo">278</span><a name="line.278"></a>
+<span class="sourceLineNo">279</span> // create CryptoAES for server<a
name="line.279"></a>
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CryptoAES(transformation, properties,<a name="line.280"></a>
+<span class="sourceLineNo">281</span> inKey, outKey, inIv, outIv);<a
name="line.281"></a>
+<span class="sourceLineNo">282</span> // create SaslCipherMeta and send
to client,<a name="line.282"></a>
+<span class="sourceLineNo">283</span> // for client, the [inKey,
outKey], [inIv, outIv] should be reversed<a name="line.283"></a>
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ccmBuilder = RPCProtos.CryptoCipherMeta.newBuilder();<a name="line.284"></a>
+<span class="sourceLineNo">285</span>
ccmBuilder.setTransformation(transformation);<a name="line.285"></a>
+<span class="sourceLineNo">286</span>
ccmBuilder.setInIv(getByteString(outIv));<a name="line.286"></a>
+<span class="sourceLineNo">287</span>
ccmBuilder.setInKey(getByteString(outKey));<a name="line.287"></a>
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ccmBuilder.setOutIv(getByteString(inIv));<a name="line.288"></a>
+<span class="sourceLineNo">289</span>
ccmBuilder.setOutKey(getByteString(inKey));<a name="line.289"></a>
+<span class="sourceLineNo">290</span>
chrBuilder.setCryptoCipherMeta(ccmBuilder);<a name="line.290"></a>
+<span class="sourceLineNo">291</span> useCryptoAesWrap = true;<a
name="line.291"></a>
+<span class="sourceLineNo">292</span> } catch (GeneralSecurityException |
IOException ex) {<a name="line.292"></a>
+<span class="sourceLineNo">293</span> throw new
UnsupportedCryptoException(ex.getMessage(), ex);<a name="line.293"></a>
+<span class="sourceLineNo">294</span> }<a name="line.294"></a>
+<span class="sourceLineNo">295</span> }<a name="line.295"></a>
+<span class="sourceLineNo">296</span><a name="line.296"></a>
+<span class="sourceLineNo">297</span> private ByteString getByteString(byte[]
bytes) {<a name="line.297"></a>
+<span class="sourceLineNo">298</span> // return singleton to reduce object
allocation<a name="line.298"></a>
+<span class="sourceLineNo">299</span> return (bytes.length == 0) ?
ByteString.EMPTY : ByteString.copyFrom(bytes);<a name="line.299"></a>
+<span class="sourceLineNo">300</span> }<a name="line.300"></a>
+<span class="sourceLineNo">301</span><a name="line.301"></a>
+<span class="sourceLineNo">302</span> protected UserGroupInformation
createUser(ConnectionHeader head) {<a name="line.302"></a>
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name="line.303"></a>
+<span class="sourceLineNo">304</span><a name="line.304"></a>
+<span class="sourceLineNo">305</span> if (!head.hasUserInfo()) {<a
name="line.305"></a>
+<span class="sourceLineNo">306</span> return null;<a name="line.306"></a>
+<span class="sourceLineNo">307</span> }<a name="line.307"></a>
+<span class="sourceLineNo">308</span> UserInformation userInfoProto =
head.getUserInfo();<a name="line.308"></a>
+<span class="sourceLineNo">309</span> String effectiveUser = null;<a
name="line.309"></a>
+<span class="sourceLineNo">310</span> if (userInfoProto.hasEffectiveUser())
{<a name="line.310"></a>
+<span class="sourceLineNo">311</span> effectiveUser =
userInfoProto.getEffectiveUser();<a name="line.311"></a>
+<span class="sourceLineNo">312</span> }<a name="line.312"></a>
+<span class="sourceLineNo">313</span> String realUser = null;<a
name="line.313"></a>
+<span class="sourceLineNo">314</span> if (userInfoProto.hasRealUser()) {<a
name="line.314"></a>
+<span class="sourceLineNo">315</span> realUser =
userInfoProto.getRealUser();<a name="line.315"></a>
+<span class="sourceLineNo">316</span> }<a name="line.316"></a>
+<span class="sourceLineNo">317</span> if (effectiveUser != null) {<a
name="line.317"></a>
+<span class="sourceLineNo">318</span> if (realUser != null) {<a
name="line.318"></a>
+<span class="sourceLineNo">319</span> UserGroupInformation realUserUgi
=<a name="line.319"></a>
+<span class="sourceLineNo">320</span>
UserGroupInformation.createRemoteUser(realUser);<a name="line.320"></a>
+<span class="sourceLineNo">321</span> ugi =
UserGroupInformation.createProxyUser(effectiveUser, realUserUgi);<a
name="line.321"></a>
+<span class="sourceLineNo">322</span> } else {<a name="line.322"></a>
+<span class="sourceLineNo">323</span> ugi =
UserGroupInformation.createRemoteUser(effectiveUser);<a name="line.323"></a>
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+<span class="sourceLineNo">325</span> }<a name="line.325"></a>
+<span class="sourceLineNo">326</span> return ugi;<a name="line.326"></a>
+<span class="sourceLineNo">327</span> }<a name="line.327"></a>
+<span class="sourceLineNo">328</span><a name="line.328"></a>
+<span class="sourceLineNo">329</span> protected void disposeSasl() {<a
name="line.329"></a>
+<span class="sourceLineNo">330</span> if (saslServer != null) {<a
name="line.330"></a>
+<span class="sourceLineNo">331</span> try {<a name="line.331"></a>
+<span class="sourceLineNo">332</span> saslServer.dispose();<a
name="line.332"></a>
+<span class="sourceLineNo">333</span> saslServer = null;<a
name="line.333"></a>
+<span class="sourceLineNo">334</span> } catch (SaslException ignored) {<a
name="line.334"></a>
+<span class="sourceLineNo">335</span> // Ignored. This is being
disposed of anyway.<a name="line.335"></a>
+<span class="sourceLineNo">336</span> }<a name="line.336"></a>
+<span class="sourceLineNo">337</span> }<a name="line.337"></a>
+<span class="sourceLineNo">338</span> }<a name="line.338"></a>
+<span class="sourceLineNo">339</span><a name="line.339"></a>
+<span class="sourceLineNo">340</span> /**<a name="line.340"></a>
+<span class="sourceLineNo">341</span> * No protobuf encoding of raw sasl
messages<a name="line.341"></a>
+<span class="sourceLineNo">342</span> */<a name="line.342"></a>
+<span class="sourceLineNo">343</span> protected void
doRawSaslReply(SaslStatus status, Writable rv,<a name="line.343"></a>
+<span class="sourceLineNo">344</span> String errorClass, String error)
throws IOException {<a name="line.344"></a>
+<span class="sourceLineNo">345</span> ByteBufferOutputStream saslResponse =
null;<a name="line.345"></a>
+<span class="sourceLineNo">346</span> DataOutputStream out = null;<a
name="line.346"></a>
+<span class="sourceLineNo">347</span> try {<a name="line.347"></a>
+<span class="sourceLineNo">348</span> // In my testing, have noticed that
sasl messages are usually<a name="line.348"></a>
+<span class="sourceLineNo">349</span> // in the ballpark of 100-200.
That's why the initial capacity is 256.<a name="line.349"></a>
+<span class="sourceLineNo">350</span> saslResponse = new
ByteBufferOutputStream(256);<a name="line.350"></a>
+<span class="sourceLineNo">351</span> out = new
DataOutputStream(saslResponse);<a name="line.351"></a>
+<span class="sourceLineNo">352</span> out.writeInt(status.state); //
write status<a name="line.352"></a>
+<span class="sourceLineNo">353</span> if (status == SaslStatus.SUCCESS)
{<a name="line.353"></a>
+<span class="sourceLineNo">354</span> rv.write(out);<a
name="line.354"></a>
+<span class="sourceLineNo">355</span> } else {<a name="line.355"></a>
+<span class="sourceLineNo">356</span> WritableUtils.writeString(out,
errorClass);<a name="line.356"></a>
+<span class="sourceLineNo">357</span> WritableUtils.writeString(out,
error);<a name="line.357"></a>
+<span class="sourceLineNo">358</span> }<a name="line.358"></a>
+<span class="sourceLineNo">359</span>
saslCall.setSaslTokenResponse(saslResponse.getByteBuffer());<a
name="line.359"></a>
+<span class="sourceLineNo">360</span> saslCall.sendResponseIfReady();<a
name="line.360"></a>
+<span class="sourceLineNo">361</span> } finally {<a name="line.361"></a>
+<span class="sourceLineNo">362</span> if (saslResponse != null) {<a
name="line.362"></a>
+<span class="sourceLineNo">363</span> saslResponse.close();<a
name="line.363"></a>
+<span class="sourceLineNo">364</span> }<a name="line.364"></a>
+<span class="sourceLineNo">365</span> if (out != null) {<a
name="line.365"></a>
+<span class="sourceLineNo">366</span> out.close();<a
name="line.366"></a>
+<span class="sourceLineNo">367</span> }<a name="line.367"></a>
+<span class="sourceLineNo">368</span> }<a name="line.368"></a>
+<span class="sourceLineNo">369</span> }<a name="line.369"></a>
+<span class="sourceLineNo">370</span><a name="line.370"></a>
+<span class="sourceLineNo">371</span> public void saslReadAndProcess(ByteBuff
saslToken) throws IOException,<a name="line.371"></a>
+<span class="sourceLineNo">372</span> InterruptedException {<a
name="line.372"></a>
+<span class="sourceLineNo">373</span> if (saslContextEstablished) {<a
name="line.373"></a>
+<span class="sourceLineNo">374</span> if
(RpcServer.LOG.isTraceEnabled())<a name="line.374"></a>
+<span class="sourceLineNo">375</span> RpcServer.LOG.trace("Have read
input token of size " + saslToken.limit()<a name="line.375"></a>
+<span class="sourceLineNo">376</span> + " for processing by
saslServer.unwrap()");<a name="line.376"></a>
+<span class="sourceLineNo">377</span><a name="line.377"></a>
+<span class="sourceLineNo">378</span> if (!useWrap) {<a
name="line.378"></a>
+<span class="sourceLineNo">379</span> processOneRpc(saslToken);<a
name="line.379"></a>
+<span class="sourceLineNo">380</span> } else {<a name="line.380"></a>
+<span class="sourceLineNo">381</span> byte[] b = saslToken.hasArray() ?
saslToken.array() : saslToken.toBytes();<a name="line.381"></a>
+<span class="sourceLineNo">382</span> byte [] plaintextData;<a
name="line.382"></a>
+<span class="sourceLineNo">383</span> if (useCryptoAesWrap) {<a
name="line.383"></a>
+<span class="sourceLineNo">384</span> // unwrap with CryptoAES<a
name="line.384"></a>
+<span class="sourceLineNo">385</span> plaintextData =
cryptoAES.unwrap(b, 0, b.length);<a name="line.385"></a>
+<span class="sourceLineNo">386</span> } else {<a name="line.386"></a>
+<span class="sourceLineNo">387</span> plaintextData =
saslServer.unwrap(b, 0, b.length);<a name="line.387"></a>
+<span class="sourceLineNo">388</span> }<a name="line.388"></a>
+<span class="sourceLineNo">389</span>
processUnwrappedData(plaintextData);<a name="line.389"></a>
+<span class="sourceLineNo">390</span> }<a name="line.390"></a>
+<span class="sourceLineNo">391</span> } else {<a name="line.391"></a>
+<span class="sourceLineNo">392</span> byte[] replyToken;<a
name="line.392"></a>
+<span class="sourceLineNo">393</span> try {<a name="line.393"></a>
+<span class="sourceLineNo">394</span> if (saslServer == null) {<a
name="line.394"></a>
+<span class="sourceLineNo">395</span> switch (authMethod) {<a
name="line.395"></a>
+<span class="sourceLineNo">396</span> case DIGEST:<a
name="line.396"></a>
+<span class="sourceLineNo">397</span> if
(this.rpcServer.secretManager == null) {<a name="line.397"></a>
+<span class="sourceLineNo">398</span> throw new
AccessDeniedException(<a name="line.398"></a>
+<span class="sourceLineNo">399</span> "Server is not
configured to do DIGEST authentication.");<a name="line.399"></a>
+<span class="sourceLineNo">400</span> }<a name="line.400"></a>
+<span class="sourceLineNo">401</span> saslServer =
Sasl.createSaslServer(AuthMethod.DIGEST<a name="line.401"></a>
+<span class="sourceLineNo">402</span> .getMechanismName(),
null, SaslUtil.SASL_DEFAULT_REALM,<a name="line.402"></a>
+<span class="sourceLineNo">403</span>
HBaseSaslRpcServer.getSaslProps(), new SaslDigestCallbackHandler(<a
name="line.403"></a>
+<span class="sourceLineNo">404</span>
this.rpcServer.secretManager, ugi -> attemptingUser = ugi));<a
name="line.404"></a>
+<span class="sourceLineNo">405</span> break;<a name="line.405"></a>
+<span class="sourceLineNo">406</span> default:<a name="line.406"></a>
+<span class="sourceLineNo">407</span> UserGroupInformation current
= UserGroupInformation.getCurrentUser();<a name="line.407"></a>
+<span class="sourceLineNo">408</span> String fullName =
current.getUserName();<a name="line.408"></a>
+<span class="sourceLineNo">409</span> if
(RpcServer.LOG.isDebugEnabled()) {<a name="line.409"></a>
+<span class="sourceLineNo">410</span>
RpcServer.LOG.debug("Kerberos principal name is " + fullName);<a
name="line.410"></a>
+<span class="sourceLineNo">411</span> }<a name="line.411"></a>
+<span class="sourceLineNo">412</span> final String names[] =
SaslUtil.splitKerberosName(fullName);<a name="line.412"></a>
+<span class="sourceLineNo">413</span> if (names.length != 3) {<a
name="line.413"></a>
+<span class="sourceLineNo">414</span> throw new
AccessDeniedException(<a name="line.414"></a>
+<span class="sourceLineNo">415</span> "Kerberos principal
name does NOT have the expected "<a name="line.415"></a>
+<span class="sourceLineNo">416</span> + "hostname part: "
+ fullName);<a name="line.416"></a>
+<span class="sourceLineNo">417</span> }<a name="line.417"></a>
+<span class="sourceLineNo">418</span> current.doAs(new
PrivilegedExceptionAction<Object>() {<a name="line.418"></a>
+<span class="sourceLineNo">419</span> @Override<a
name="line.419"></a>
+<span class="sourceLineNo">420</span> public Object run() throws
SaslException {<a name="line.420"></a>
+<span class="sourceLineNo">421</span> saslServer =
Sasl.createSaslServer(AuthMethod.KERBEROS<a name="line.421"></a>
+<span class="sourceLineNo">422</span> .getMechanismName(),
names[0], names[1],<a name="line.422"></a>
+<span class="sourceLineNo">423</span>
HBaseSaslRpcServer.getSaslProps(), new SaslGssCallbackHandler());<a
name="line.423"></a>
+<span class="sourceLineNo">424</span> return null;<a
name="line.424"></a>
+<span class="sourceLineNo">425</span> }<a name="line.425"></a>
+<span class="sourceLineNo">426</span> });<a name="line.426"></a>
+<span class="sourceLineNo">427</span> }<a name="line.427"></a>
+<span class="sourceLineNo">428</span> if (saslServer == null)<a
name="line.428"></a>
+<span class="sourceLineNo">429</span> throw new
AccessDeniedException(<a name="line.429"></a>
+<span class="sourceLineNo">430</span> "Unable to find SASL
server implementation for "<a name="line.430"></a>
+<span class="sourceLineNo">431</span> +
authMethod.getMechanismName());<a name="line.431"></a>
+<span class="sourceLineNo">432</span> if
(RpcServer.LOG.isDebugEnabled()) {<a name="line.432"></a>
+<span class="sourceLineNo">433</span> RpcServer.LOG.debug("Created
SASL server with mechanism = " + authMethod.getMechanismName());<a
name="line.433"></a>
+<span class="sourceLineNo">434</span> }<a name="line.434"></a>
+<span class="sourceLineNo">435</span> }<a name="line.435"></a>
+<span class="sourceLineNo">436</span> if
(RpcServer.LOG.isDebugEnabled()) {<a name="line.436"></a>
+<span class="sourceLineNo">437</span> RpcServer.LOG.debug("Have read
input token of size " + saslToken.limit()<a name="line.437"></a>
+<span class="sourceLineNo">438</span> + " for processing by
saslServer.evaluateResponse()");<a name="line.438"></a>
+<span class="sourceLineNo">439</span> }<a name="line.439"></a>
+<span class="sourceLineNo">440</span> replyToken = saslServer<a
name="line.440"></a>
+<span class="sourceLineNo">441</span>
.evaluateResponse(saslToken.hasArray() ? saslToken.array() :
saslToken.toBytes());<a name="line.441"></a>
+<span class="sourceLineNo">442</span> } catch (IOException e) {<a
name="line.442"></a>
+<span class="sourceLineNo">443</span> IOException sendToClient = e;<a
name="line.443"></a>
+<span class="sourceLineNo">444</span> Throwable cause = e;<a
name="line.444"></a>
+<span class="sourceLineNo">445</span> while (cause != null) {<a
name="line.445"></a>
+<span class="sourceLineNo">446</span> if (cause instanceof
InvalidToken) {<a name="line.446"></a>
+<span class="sourceLineNo">447</span> sendToClient = (InvalidToken)
cause;<a name="line.447"></a>
+<span class="sourceLineNo">448</span> break;<a name="line.448"></a>
+<span class="sourceLineNo">449</span> }<a name="line.449"></a>
+<span class="sourceLineNo">450</span> cause = cause.getCause();<a
name="line.450"></a>
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null, sendToClient.getClass().getName(),<a name="line.452"></a>
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sendToClient.getLocalizedMessage());<a name="line.453"></a>
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this.rpcServer.metrics.authenticationFailure();<a name="line.454"></a>
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this.toString();<a name="line.455"></a>
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null<a name="line.456"></a>
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RpcServer.AUDITLOG.warn(RpcServer.AUTH_FAILED_FOR + clientIP + ":" +
attemptingUser);<a name="line.457"></a>
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+<span class="sourceLineNo">459</span> }<a name="line.459"></a>
+<span class="sourceLineNo">460</span> if (replyToken != null) {<a
name="line.460"></a>
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(RpcServer.LOG.isDebugEnabled()) {<a name="line.461"></a>
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token of size " + replyToken.length<a name="line.462"></a>
+<span class="sourceLineNo">463</span> + " from saslServer.");<a
name="line.463"></a>
+<span class="sourceLineNo">464</span> }<a name="line.464"></a>
+<span class="sourceLineNo">465</span>
doRawSaslReply(SaslStatus.SUCCESS, new BytesWritable(replyToken), null,<a
name="line.465"></a>
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name="line.468"></a>
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saslServer.getNegotiatedProperty(Sasl.QOP);<a name="line.469"></a>
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!"auth".equalsIgnoreCase(qop);<a name="line.470"></a>
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getAuthorizedUgi(saslServer.getAuthorizationID());<a name="line.471"></a>
+<span class="sourceLineNo">472</span> if
(RpcServer.LOG.isDebugEnabled()) {<a name="line.472"></a>
+<span class="sourceLineNo">473</span> RpcServer.LOG.debug("SASL
server context established. Authenticated client: "<a name="line.473"></a>
+<span class="sourceLineNo">474</span> + ugi + ". Negotiated QoP is
"<a name="line.474"></a>
+<span class="sourceLineNo">475</span> +
saslServer.getNegotiatedProperty(Sasl.QOP));<a name="line.475"></a>
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+<span class="sourceLineNo">477</span>
this.rpcServer.metrics.authenticationSuccess();<a name="line.477"></a>
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RpcServer.AUDITLOG.info(RpcServer.AUTH_SUCCESSFUL_FOR + ugi);<a
name="line.478"></a>
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name="line.479"></a>
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+<span class="sourceLineNo">481</span> }<a name="line.481"></a>
+<span class="sourceLineNo">482</span> }<a name="line.482"></a>
+<span class="sourceLineNo">483</span><a name="line.483"></a>
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processUnwrappedData(byte[] inBuf) throws IOException,<a name="line.484"></a>
+<span class="sourceLineNo">485</span> InterruptedException {<a
name="line.485"></a>
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Channels.newChannel(new ByteArrayInputStream(inBuf));<a name="line.486"></a>
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inBuf, even partial ones<a name="line.487"></a>
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+<span class="sourceLineNo">490</span> if
(unwrappedDataLengthBuffer.remaining() > 0) {<a name="line.490"></a>
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this.rpcServer.channelRead(ch, unwrappedDataLengthBuffer);<a
name="line.491"></a>
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unwrappedDataLengthBuffer.remaining() > 0)<a name="line.492"></a>
+<span class="sourceLineNo">493</span> return;<a name="line.493"></a>
+<span class="sourceLineNo">494</span> }<a name="line.494"></a>
+<span class="sourceLineNo">495</span><a name="line.495"></a>
+<span class="sourceLineNo">496</span> if (unwrappedData == null) {<a
name="line.496"></a>
+<span class="sourceLineNo">497</span>
unwrappedDataLengthBuffer.flip();<a name="line.497"></a>
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unwrappedDataLengthBuffer.getInt();<a name="line.498"></a>
+<span class="sourceLineNo">499</span><a name="line.499"></a>
+<span class="sourceLineNo">500</span> if (unwrappedDataLength ==
RpcClient.PING_CALL_ID) {<a name="line.500"></a>
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(RpcServer.LOG.isDebugEnabled())<a name="line.501"></a>
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ping message");<a name="line.502"></a>
+<span class="sourceLineNo">503</span>
unwrappedDataLengthBuffer.clear();<a name="line.503"></a>
+<span class="sourceLineNo">504</span> continue; // ping message<a
name="line.504"></a>
+<span class="sourceLineNo">505</span> }<a name="line.505"></a>
+<span class="sourceLineNo">506</span> unwrappedData =
ByteBuffer.allocate(unwrappedDataLength);<a name="line.506"></a>
+<span class="sourceLineNo">507</span> }<a name="line.507"></a>
+<span class="sourceLineNo">508</span><a name="line.508"></a>
+<span class="sourceLineNo">509</span> count =
this.rpcServer.channelRead(ch, unwrappedData);<a name="line.509"></a>
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unwrappedData.remaining() > 0)<a name="line.510"></a>
+<span class="sourceLineNo">511</span> return;<a name="line.511"></a>
+<span class="sourceLineNo">512</span><a name="line.512"></a>
+<span class="sourceLineNo">513</span> if (unwrappedData.remaining() == 0)
{<a name="line.513"></a>
+<span class="sourceLineNo">514</span>
unwrappedDataLengthBuffer.clear();<a name="line.514"></a>
+<span class="sourceLineNo">515</span> unwrappedData.flip();<a
name="line.515"></a>
+<span class="sourceLineNo">516</span> processOneRpc(new
SingleByteBuff(unwrappedData));<a name="line.516"></a>
+<span class="sourceLineNo">517</span> unwrappedData = null;<a
name="line.517"></a>
+<span class="sourceLineNo">518</span> }<a name="line.518"></a>
+<span class="sourceLineNo">519</span> }<a name="line.519"></a>
+<span class="sourceLineNo">520</span> }<a name="line.520"></a>
+<span class="sourceLineNo">521</span><a name="line.521"></a>
+<span class="sourceLineNo">522</span> public void processOneRpc(ByteBuff buf)
throws IOException,<a name="line.522"></a>
+<span class="sourceLineNo">523</span> InterruptedException {<a
name="line.523"></a>
+<span class="sourceLineNo">524</span> if (connectionHeaderRead) {<a
name="line.524"></a>
+<span class="sourceLineNo">525</span> processRequest(buf);<a
name="line.525"></a>
+<span class="sourceLineNo">526</span> } else {<a name="line.526"></a>
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name="line.527"></a>
+<span class="sourceLineNo">528</span> this.connectionHeaderRead = true;<a
name="line.528"></a>
+<span class="sourceLineNo">529</span> if (!authorizeConnection()) {<a
name="line.529"></a>
+<span class="sourceLineNo">530</span> // Throw FatalConnectionException
wrapping ACE so client does right thing and closes<a name="line.530"></a>
+<span class="sourceLineNo">531</span> // down the connection instead of
trying to read non-existent retun.<a name="line.531"></a>
+<span class="sourceLineNo">532</span> throw new
AccessDeniedException("Connection from " + this + " for service " +<a
name="line.532"></a>
+<span class="sourceLineNo">533</span>
connectionHeader.getServiceName() + " is unauthorized for user: " + ugi);<a
name="line.533"></a>
+<span class="sourceLineNo">534</span> }<a name="line.534"></a>
+<span class="sourceLineNo">535</span> this.user =
this.rpcServer.userProvider.create(this.ugi);<a name="line.535"></a>
+<span class="sourceLineNo">536</span> }<a name="line.536"></a>
+<span class="sourceLineNo">537</span> }<a name="line.537"></a>
+<span class="sourceLineNo">538</span><a name="line.538"></a>
+<span class="sourceLineNo">539</span> protected boolean authorizeConnection()
throws IOException {<a name="line.539"></a>
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+<span class="sourceLineNo">541</span> // If auth method is DIGEST, the
token was obtained by the<a name="line.541"></a>
+<span class="sourceLineNo">542</span> // real user for the effective
user, therefore not required to<a name="line.542"></a>
+<span class="sourceLineNo">543</span> // authorize real user. doAs is
allowed only for simple or kerberos<a name="line.543"></a>
+<span class="sourceLineNo">544</span> // authentication<a
name="line.544"></a>
+<span class="sourceLineNo">545</span> if (ugi != null &&
ugi.getRealUser() != null<a name="line.545"></a>
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AuthMethod.DIGEST)) {<a name="line.546"></a>
+<span class="sourceLineNo">547</span> ProxyUsers.authorize(ugi,
this.getHostAddress(), this.rpcServer.conf);<a name="line.547"></a>
+<span class="sourceLineNo">548</span> }<a name="line.548"></a>
+<span class="sourceLineNo">549</span> this.rpcServer.authorize(ugi,
connectionHeader, getHostInetAddress());<a name="line.549"></a>
+<span class="sourceLineNo">550</span>
this.rpcServer.metrics.authorizationSuccess();<a name="line.550"></a>
+<span class="sourceLineNo">551</span> } catch (AuthorizationException ae)
{<a name="line.551"></a>
+<span class="sourceLineNo">552</span> if (RpcServer.LOG.isDebugEnabled())
{<a name="line.552"></a>
+<span class="sourceLineNo">553</span> RpcServer.LOG.debug("Connection
authorization failed: " + ae.getMessage(), ae);<a name="line.553"></a>
+<span class="sourceLineNo">554</span> }<a name="line.554"></a>
+<span class="sourceLineNo">555</span>
this.rpcServer.metrics.authorizationFailure();<a name="line.555"></a>
+<span class="sourceLineNo">556</span>
this.rpcServer.setupResponse(authFailedResponse, authFailedCall,<a
name="line.556"></a>
+<span class="sourceLineNo">557</span> new AccessDeniedException(ae),
ae.getMessage());<a name="line.557"></a>
+<span class="sourceLineNo">558</span>
authFailedCall.sendResponseIfReady();<a name="line.558"></a>
+<span class="sourceLineNo">559</span> return false;<a name="line.559"></a>
+<span class="sourceLineNo">560</span> }<a name="line.560"></a>
+<span class="sourceLineNo">561</span> return true;<a name="line.561"></a>
+<span class="sourceLineNo">562</span> }<a name="line.562"></a>
+<span class="sourceLineNo">563</span><a name="line.563"></a>
+<span class="sourceLineNo">564</span> // Reads the connection header
following version<a name="line.564"></a>
+<span class="sourceLineNo">565</span> protected void
processConnectionHeader(ByteBuff buf) throws IOException {<a
name="line.565"></a>
+<span class="sourceLineNo">566</span> if (buf.hasArray()) {<a
name="line.566"></a>
+<span class="sourceLineNo">567</span> this.connectionHeader =
ConnectionHeader.parseFrom(buf.array());<a name="line.567"></a>
+<span class="sourceLineNo">568</span> } else {<a name="line.568"></a>
+<span class="sourceLineNo">569</span> CodedInputStream cis =
UnsafeByteOperations<a name="line.569"></a>
+<span class="sourceLineNo">570</span> .unsafeWrap(new
ByteBuffByteInput(buf, 0, buf.limit()), 0, buf.limit()).newCodedInput();<a
name="line.570"></a>
+<span class="sourceLineNo">571</span> cis.enableAliasing(true);<a
name="line.571"></a>
+<span class="sourceLineNo">572</span> this.connectionHeader =
ConnectionHeader.parseFrom(cis);<a name="line.572"></a>
+<span class="sourceLineNo">573</span> }<a name="line.573"></a>
+<span class="sourceLineNo">574</span> String serviceName =
connectionHeader.getServiceName();<a name="line.574"></a>
+<span class="sourceLineNo">575</span> if (serviceName == null) throw new
EmptyServiceNameException();<a name="line.575"></a>
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RpcServer.getService(this.rpcServer.services, serviceName);<a
name="line.576"></a>
+<span class="sourceLineNo">577</span> if (this.service == null) throw new
UnknownServiceException(serviceName);<a name="line.577"></a>
+<span class="sourceLineNo">578</span>
setupCellBlockCodecs(this.connectionHeader);<a name="line.578"></a>
+<span class="sourceLineNo">579</span>
RPCProtos.ConnectionHeaderResponse.Builder chrBuilder =<a name="line.579"></a>
+<span class="sourceLineNo">580</span>
RPCProtos.ConnectionHeaderResponse.newBuilder();<a name="line.580"></a>
+<span class="sourceLineNo">581</span>
setupCryptoCipher(this.connectionHeader, chrBuilder);<a name="line.581"></a>
+<span class="sourceLineNo">582</span>
responseConnectionHeader(chrBuilder);<a name="line.582"></a>
+<span class="sourceLineNo">583</span> UserGroupInformation protocolUser =
createUser(connectionHeader);<a name="line.583"></a>
+<span class="sourceLineNo">584</span> if (!useSasl) {<a name="line.584"></a>
+<span class="sourceLineNo">585</span> ugi = protocolUser;<a
name="line.585"></a>
+<span class="sourceLineNo">586</span> if (ugi != null) {<a
name="line.586"></a>
+<span class="sourceLineNo">587</span>
ugi.setAuthenticationMethod(AuthMethod.SIMPLE.authenticationMethod);<a
name="line.587"></a>
+<span class="sourceLineNo">588</span> }<a name="line.588"></a>
+<span class="sourceLineNo">589</span> // audit logging for SASL
authenticated users happens in saslReadAndProcess()<a name="line.589"></a>
+<span class="sourceLineNo">590</span> if (authenticatedWithFallback) {<a
name="line.590"></a>
+<span class="sourceLineNo">591</span> RpcServer.LOG.warn("Allowed
fallback to SIMPLE auth for " + ugi<a name="line.591"></a>
+<span class="sourceLineNo">592</span> + " connecting from " +
getHostAddress());<a name="line.592"></a>
+<span class="sourceLineNo">593</span> }<a name="line.593"></a>
+<span class="sourceLineNo">594</span>
RpcServer.AUDITLOG.info(RpcServer.AUTH_SUCCESSFUL_FOR + ugi);<a
name="line.594"></a>
+<span class="sourceLineNo">595</span> } else {<a name="line.595"></a>
+<span class="sourceLineNo">596</span> // user is authenticated<a
name="line.596"></a>
+<span class="sourceLineNo">597</span>
ugi.setAuthenticationMethod(authMethod.authenticationMethod);<a
name="line.597"></a>
+<span class="sourceLineNo">598</span> //Now we check if this is a proxy
user case. If the protocol user is<a name="line.598"></a>
+<span class="sourceLineNo">599</span> //different from the 'user', it is
a proxy user scenario. However,<a name="line.599"></a>
+<span class="sourceLineNo">600</span> //this is not allowed if user
authenticated with DIGEST.<a name="line.600"></a>
+<span class="sourceLineNo">601</span> if ((protocolUser != null)<a
name="line.601"></a>
+<span class="sourceLineNo">602</span> &&
(!protocolUser.getUserName().equals(ugi.getUserName()))) {<a
name="line.602"></a>
+<span class="sourceLineNo">603</span> if (authMethod ==
AuthMethod.DIGEST) {<a name="line.603"></a>
+<span class="sourceLineNo">604</span> // Not allowed to doAs if token
authentication is used<a name="line.604"></a>
+<span class="sourceLineNo">605</span> throw new
AccessDeniedException("Authenticated user (" + ugi<a name="line.605"></a>
+<span class="sourceLineNo">606</span> + ") doesn't match what the
client claims to be ("<a name="line.606"></a>
+<span class="sourceLineNo">607</span> + protocolUser + ")");<a
name="line.607"></a>
+<span class="sourceLineNo">608</span> } else {<a name="line.608"></a>
+<span class="sourceLineNo">609</span> // Effective user can be
different from authenticated user<a name="line.609"></a>
+<span class="sourceLineNo">610</span> // for simple auth or kerberos
auth<a name="line.610"></a>
+<span class="sourceLineNo">611</span> // The user is the real user.
Now we create a proxy user<a name="line.611"></a>
+<span class="sourceLineNo">612</span> UserGroupInformation realUser =
ugi;<a name="line.612"></a>
+<span class="sourceLineNo">613</span> ugi =
UserGroupInformation.createProxyUser(protocolUser<a name="line.613"></a>
+<span class="sourceLineNo">614</span> .getUserName(),
realUser);<a name="line.614"></a>
+<span class="sourceLineNo">615</span> // Now the user is a proxy
user, set Authentication method Proxy.<a name="line.615"></a>
+<span class="sourceLineNo">616</span>
ugi.setAuthenticationMethod(AuthenticationMethod.PROXY);<a name="line.616"></a>
+<span class="sourceLineNo">617</span> }<a name="line.617"></a>
+<span class="sourceLineNo">618</span> }<a name="line.618"></a>
+<span class="sourceLineNo">619</span> }<a name="line.619"></a>
+<span class="sourceLineNo">620</span> if
(connectionHeader.hasVersionInfo()) {<a name="line.620"></a>
+<span class="sourceLineNo">621</span> // see if this connection will
support RetryImmediatelyException<a name="line.621"></a>
+<span class="sourceLineNo">622</span> retryImmediatelySupported =
VersionInfoUtil.hasMinimumVersion(getVersionInfo(), 1, 2);<a
name="line.622"></a>
+<span class="sourceLineNo">623</span><a name="line.623"></a>
+<span class="sourceLineNo">624</span> RpcServer.AUDITLOG.info("Connection
from " + this.hostAddress + " port: " + this.remotePort<a name="line.624"></a>
+<span class="sourceLineNo">625</span> + " with version info: "<a
name="line.625"></a>
+<span class="sourceLineNo">626</span> +
TextFormat.shortDebugString(connectionHeader.getVersionInfo()));<a
name="line.626"></a>
+<span class="sourceLineNo">627</span> } else {<a name="line.627"></a>
+<span class="sourceLineNo">628</span> RpcServer.AUDITLOG.info("Connection
from " + this.hostAddress + " port: " + this.remotePort<a name="line.628"></a>
+<span class="sourceLineNo">629</span> + " with unknown version
info");<a name="line.629"></a>
+<span class="sourceLineNo">630</span> }<a name="line.630"></a>
+<span class="sourceLineNo">631</span> }<a name="line.631"></a>
+<span class="sourceLineNo">632</span><a name="line.632"></a>
+<span class="sourceLineNo">633</span> private void
responseConnectionHeader(RPCProtos.ConnectionHeaderResponse.Builder
chrBuilder)<a name="line.633"></a>
+<span class="sourceLineNo">634</span> throws FatalConnectionException {<a
name="line.634"></a>
+<span class="sourceLineNo">635</span> // Response the connection header if
Crypto AES is enabled<a name="line.635"></a>
+<span class="sourceLineNo">636</span> if
(!chrBuilder.hasCryptoCipherMeta()) return;<a name="line.636"></a>
+<span class="sourceLineNo">637</span> try {<a name="line.637"></a>
+<span class="sourceLineNo">638</span> byte[] connectionHeaderResBytes =
chrBuilder.build().toByteArray();<a name="line.638"></a>
+<span class="sourceLineNo">639</span> // encrypt the Crypto AES cipher
meta data with sasl server, and send to client<a name="line.639"></a>
+<span class="sourceLineNo">640</span> byte[] unwrapped = new
byte[connectionHeaderResBytes.length + 4];<a name="line.640"></a>
+<span class="sourceLineNo">641</span> Bytes.putBytes(unwrapped, 0,
Bytes.toBytes(connectionHeaderResBytes.length), 0, 4);<a name="line.641"></a>
+<span class="sourceLineNo">642</span> Bytes.putBytes(unwrapped, 4,
connectionHeaderResBytes, 0, connectionHeaderResBytes.length);<a
name="line.642"></a>
+<span class="sourceLineNo">643</span><a name="line.643"></a>
+<span class="sourceLineNo">644</span>
doConnectionHeaderResponse(saslServer.wrap(unwrapped, 0, unwrapped.length));<a
name="line.644"></a>
+<span class="sourceLineNo">645</span> } catch (IOException ex) {<a
name="line.645"></a>
+<span class="sourceLineNo">646</span> throw new
UnsupportedCryptoException(ex.getMessage(), ex);<a name="line.646"></a>
+<span class="sourceLineNo">647</span> }<a name="line.647"></a>
+<span class="sourceLineNo">648</span> }<a name="line.648"></a>
+<span class="sourceLineNo">649</span><a name="line.649"></a>
+<span class="sourceLineNo">650</span> /**<a name="line.650"></a>
+<span class="sourceLineNo">651</span> * Send the response for connection
header<a name="line.651"></a>
+<span class="sourceLineNo">652</span> */<a name="line.652"></a>
+<span class="sourceLineNo">653</span> private void
doConnectionHeaderResponse(byte[] wrappedCipherMetaData)<a name="line.653"></a>
+<span class="sourceLineNo">654</span> throws IOException {<a
name="line.654"></a>
+<span class="sourceLineNo">655</span> ByteBufferOutputStream response =
null;<a name="line.655"></a>
+<span class="sourceLineNo">656</span> DataOutputStream out = null;<a
name="line.656"></a>
+<span class="sourceLineNo">657</span> try {<a name="line.657"></a>
+<span class="sourceLineNo">658</span> response = new
ByteBufferOutputStream(wrappedCipherMetaData.length + 4);<a name="line.658"></a>
+<span class="sourceLineNo">659</span> out = new
DataOutputStream(response);<a name="line.659"></a>
+<span class="sourceLineNo">660</span>
out.writeInt(wrappedCipherMetaData.length);<a name="line.660"></a>
+<span class="sourceLineNo">661</span> out.write(wrappedCipherMetaData);<a
name="line.661"></a>
+<span class="sourceLineNo">662</span><a name="line.662"></a>
+<span class="sourceLineNo">663</span>
setConnectionHeaderResponseCall.setConnectionHeaderResponse(response<a
name="line.663"></a>
+<span class="sourceLineNo">664</span> .getByteBuffer());<a
name="line.664"></a>
+<span class="sourceLineNo">665</span>
setConnectionHeaderResponseCall.sendResponseIfReady();<a name="line.665"></a>
+<span class="sourceLineNo">666</span> } finally {<a name="line.666"></a>
+<span class="sourceLineNo">667</span> if (out != null) {<a
name="line.667"></a>
+<span class="sourceLineNo">668</span> out.close();<a
name="line.668"></a>
+<span class="sourceLineNo">669</span> }<a name="line.669"></a>
+<span class="sourceLineNo">670</span> if (response != null) {<a
name="line.670"></a>
+<span class="sourceLineNo">671</span> response.close();<a
name="line.671"></a>
+<span class="sourceLineNo">672</span> }<a name="line.672"></a>
+<span class="sourceLineNo">673</span> }<a name="line.673"></a>
+<span class="sourceLineNo">674</span> }<a name="line.674"></a>
+<span class="sourceLineNo">675</span><a name="line.675"></a>
+<span class="sourceLineNo">676</span> /**<a name="line.676"></a>
+<span class="sourceLineNo">677</span> * @param buf<a name="line.677"></a>
+<span class="sourceLineNo">678</span> * Has the request header and
the request param and optionally<a name="line.678"></a>
+<span class="sourceLineNo">679</span> * encoded data buffer all in
this one array.<a name="line.679"></a>
+<span class="sourceLineNo">680</span> * @throws IOException<a
name="line.680"></a>
+<span class="sourceLineNo">681</span> * @throws InterruptedException<a
name="line.681"></a>
+<span class="sourceLineNo">682</span> */<a name="line.682"></a>
+<span class="sourceLineNo">683</span> protected void processRequest(ByteBuff
buf) throws IOException,<a name="line.683"></a>
+<span class="sourceLineNo">684</span> InterruptedException {<a
name="line.684"></a>
+<span class="sourceLineNo">685</span> long totalRequestSize =
buf.limit();<a name="line.685"></a>
+<span class="sourceLineNo">686</span> int offset = 0;<a name="line.686"></a>
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avoid having pb<a name="line.687"></a>
+<span class="sourceLineNo">688</span> // do its default 4k allocation for
CodedInputStream. We force it to use<a name="line.688"></a>
+<span class="sourceLineNo">689</span> // backing array.<a
name="line.689"></a>
+<span class="sourceLineNo">690</span> CodedInputStream cis;<a
name="line.690"></a>
+<span class="sourceLineNo">691</span> if (buf.hasArray()) {<a
name="line.691"></a>
+<span class="sourceLineNo">692</span> cis =
UnsafeByteOperations.unsafeWrap(buf.array(), 0, buf.limit()).newCodedInput();<a
name="line.692"></a>
+<span class="sourceLineNo">693</span> } else {<a name="line.693"></a>
+<span class="sourceLineNo">694</span> cis = UnsafeByteOperations<a
name="line.694"></a>
+<span class="sourceLineNo">695</span> .unsafeWrap(new
ByteBuffByteInput(buf, 0, buf.limit()), 0, buf.limit()).newCodedInput();<a
name="line.695"></a>
+<span class="sourceLineNo">696</span> }<a name="line.696"></a>
+<span class="sourceLineNo">697</span> cis.enableAliasing(true);<a
name="line.697"></a>
+<span class="sourceLineNo">698</span> int headerSize =
cis.readRawVarint32();<a name="line.698"></a>
+<span class="sourceLineNo">699</span> offset = cis.getTotalBytesRead();<a
name="line.699"></a>
+<span class="sourceLineNo">700</span> Message.Builder builder =
RequestHeader.newBuilder();<a name="line.700"></a>
+<span class="sourceLineNo">701</span> ProtobufUtil.mergeFrom(builder, cis,
headerSize);<a name="line.701"></a>
+<span class="sourceLineNo">702</span> RequestHeader header =
(RequestHeader) builder.build();<a name="line.702"></a>
+<span class="sourceLineNo">703</span> offset += headerSize;<a
name="line.703"></a>
+<span class="sourceLineNo">704</span> int id = header.getCallId();<a
name="line.704"></a>
+<span class="sourceLineNo">705</span> if (RpcServer.LOG.isTraceEnabled())
{<a name="line.705"></a>
+<span class="sourceLineNo">706</span> RpcServer.LOG.trace("RequestHeader
" + TextFormat.shortDebugString(header)<a name="line.706"></a>
+<span class="sourceLineNo">707</span> + " totalRequestSize: " +
totalRequestSize + " bytes");<a name="line.707"></a>
+<span class="sourceLineNo">708</span> }<a name="line.708"></a>
+<span class="sourceLineNo">709</span> // Enforcing the call queue size,
this triggers a retry in the client<a name="line.709"></a>
+<span class="sourceLineNo">710</span> // This is a bit late to be doing
this check - we have already read in the<a name="line.710"></a>
+<span class="sourceLineNo">711</span> // total request.<a
name="line.711"></a>
+<span class="sourceLineNo">712</span> if ((totalRequestSize +
this.rpcServer.callQueueSizeInBytes.sum()) >
this.rpcServer.maxQueueSizeInBytes) {<a name="line.712"></a>
+<span class="sourceLineNo">713</span> final ServerCall<?>
callTooBig = createCall(id, this.service, null, null, null, null,<a
name="line.713"></a>
+<span class="sourceLineNo">714</span> totalRequestSize, null, null, 0,
this.callCleanup);<a name="line.714"></a>
+<span class="sourceLineNo">715</span> ByteArrayOutputStream
responseBuffer = new ByteArrayOutputStream();<a name="line.715"></a>
+<span class="sourceLineNo">716</span>
this.rpcServer.metrics.exception(RpcServer.CALL_QUEUE_TOO_BIG_EXCEPTION);<a
name="line.716"></a>
+<span class="sourceLineNo">717</span>
this.rpcServer.setupResponse(responseBuffer, callTooBig,
RpcServer.CALL_QUEUE_TOO_BIG_EXCEPTION,<a name="line.717"></a>
+<span class="sourceLineNo">718</span> "Call queue is full on " +
this.rpcServer.server.getServerName()<a name="line.718"></a>
+<span class="sourceLineNo">719</span> + ", is
hbase.ipc.server.max.callqueue.size too small?");<a name="line.719"></a>
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name="line.720"></a>
+<span class="sourceLineNo">721</span> return;<a name="line.721"></a>
+<span class="sourceLineNo">722</span> }<a name="line.722"></a>
+<span class="sourceLineNo">723</span> MethodDescriptor md = null;<a
name="line.723"></a>
+<span class="sourceLineNo">724</span> Message param = null;<a
name="line.724"></a>
+<span class="sourceLineNo">725</span> CellScanner cellScanner = null;<a
name="line.725"></a>
+<span class="sourceLineNo">726</span> try {<a name="line.726"></a>
+<span class="sourceLineNo">727</span> if (header.hasRequestParam()
&& header.getRequestParam()) {<a name="line.727"></a>
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this.service.getDescriptorForType().findMethodByName(<a name="line.728"></a>
+<span class="sourceLineNo">729</span> header.getMethodName());<a
name="line.729"></a>
+<span class="sourceLineNo">730</span> if (md == null)<a
name="line.730"></a>
+<span class="sourceLineNo">731</span> throw new
UnsupportedOperationException(header.getMethodName());<a name="line.731"></a>
+<span class="sourceLineNo">732</span> builder =
this.service.getRequestPrototype(md).newBuilderForType();<a name="line.732"></a>
+<span class="sourceLineNo">733</span> cis.resetSizeCounter();<a
name="line.733"></a>
+<span class="sourceLineNo">734</span> int paramSize =
cis.readRawVarint32();<a name="line.734"></a>
+<span class="sourceLineNo">735</span> offset +=
cis.getTotalBytesRead();<a name="line.735"></a>
+<span class="sourceLineNo">736</span> if (builder != null) {<a
name="line.736"></a>
+<span class="sourceLineNo">737</span> ProtobufUtil.mergeFrom(builder,
cis, paramSize);<a name="line.737"></a>
+<span class="sourceLineNo">738</span> param = builder.build();<a
name="line.738"></a>
+<span class="sourceLineNo">739</span> }<a name="line.739"></a>
+<span class="sourceLineNo">740</span> offset += paramSize;<a
name="line.740"></a>
+<span class="sourceLineNo">741</span> } else {<a name="line.741"></a>
+<span class="sourceLineNo">742</span> // currently header must have
request param, so we directly throw<a name="line.742"></a>
+<span class="sourceLineNo">743</span> // exception here<a
name="line.743"></a>
+<span class="sourceLineNo">744</span> String msg = "Invalid request
header: "<a name="line.744"></a>
+<span class="sourceLineNo">745</span> +
TextFormat.shortDebugString(header)<a name="line.745"></a>
+<span class="sourceLineNo">746</span> + ", should have param set in
it";<a name="line.746"></a>
+<span class="sourceLineNo">747</span> RpcServer.LOG.warn(msg);<a
name="line.747"></a>
+<span class="sourceLineNo">748</span> throw new
DoNotRetryIOException(msg);<a name="line.748"></a>
+<span class="sourceLineNo">749</span> }<a name="line.749"></a>
+<span class="sourceLineNo">750</span> if (header.hasCellBlockMeta()) {<a
name="line.750"></a>
+<span class="sourceLineNo">751</span> buf.position(offset);<a
name="line.751"></a>
+<span class="sourceLineNo">752</span> ByteBuff dup = buf.duplicate();<a
name="line.752"></a>
+<span class="sourceLineNo">753</span> dup.limit(offset +
header.getCellBlockMeta().getLength());<a name="line.753"></a>
+<span class="sourceLineNo">754</span> cellScanner =
this.rpcServer.cellBlockBuilder.createCellScannerReusingBuffers(<a
name="line.754"></a>
+<span class="sourceLineNo">755</span> this.codec,
this.compressionCodec, dup);<a name="line.755"></a>
+<span class="sourceLineNo">756</span> }<a name="line.756"></a>
+<span class="sourceLineNo">757</span> } catch (Throwable t) {<a
name="line.757"></a>
+<span class="sourceLineNo">758</span> InetSocketAddress address =
this.rpcServer.getListenerAddress();<a name="line.758"></a>
+<span class="sourceLineNo">759</span> String msg = (address != null ?
address : "(channel closed)")<a name="line.759"></a>
+<span class="sourceLineNo">760</span> + " is unable to read call
parameter from client "<a name="line.760"></a>
+<span class="sourceLineNo">761</span> + getHostAddress();<a
name="line.761"></a>
+<span class="sourceLineNo">762</span> RpcServer.LOG.warn(msg, t);<a
name="line.762"></a>
+<span class="sourceLineNo">763</span><a name="line.763"></a>
+<span class="sourceLineNo">764</span>
this.rpcServer.metrics.exception(t);<a name="line.764"></a>
+<span class="sourceLineNo">765</span><a name="line.765"></a>
+<span class="sourceLineNo">766</span> // probably the hbase hadoop
version does not match the running hadoop<a name="line.766"></a>
+<span class="sourceLineNo">767</span> // version<a name="line.767"></a>
+<span class="sourceLineNo">768</span> if (t instanceof LinkageError) {<a
name="line.768"></a>
+<span class="sourceLineNo">769</span> t = new
DoNotRetryIOException(t);<a name="line.769"></a>
+<span class="sourceLineNo">770</span> }<a name="line.770"></a>
+<span class="sourceLineNo">771</span> // If the method is not present on
the server, do not retry.<a name="line.771"></a>
+<span class="sourceLineNo">772</span> if (t instanceof
UnsupportedOperationException) {<a name="line.772"></a>
+<span class="sourceLineNo">773</span> t = new
DoNotRetryIOException(t);<a name="line.773"></a>
+<span class="sourceLineNo">774</span> }<a name="line.774"></a>
+<span class="sourceLineNo">775</span><a name="line.775"></a>
+<span class="sourceLineNo">776</span> final ServerCall<?>
readParamsFailedCall = createCall(id, this.service, null, null, null, null,<a
name="line.776"></a>
+<span class="sourceLineNo">777</span> totalRequestSize, null, null, 0,
this.callCleanup);<a name="line.777"></a>
+<span class="sourceLineNo">778</span> ByteArrayOutputStream
responseBuffer = new ByteArrayOutputStream();<a name="line.778"></a>
+<span class="sourceLineNo">779</span>
this.rpcServer.setupResponse(responseBuffer, readParamsFailedCall, t,<a
name="line.779"></a>
+<span class="sourceLineNo">780</span> msg + "; " + t.getMessage());<a
name="line.780"></a>
+<span class="sourceLineNo">781</span>
readParamsFailedCall.sendResponseIfReady();<a name="line.781"></a>
+<span class="sourceLineNo">782</span> return;<a name="line.782"></a>
+<span class="sourceLineNo">783</span> }<a name="line.783"></a>
+<span class="sourceLineNo">784</span><a name="line.784"></a>
+<span class="sourceLineNo">785</span> TraceInfo traceInfo =
header.hasTraceInfo() ? new TraceInfo(header<a name="line.785"></a>
+<span class="sourceLineNo">786</span> .getTraceInfo().getTraceId(),
header.getTraceInfo().getParentId())<a name="line.786"></a>
+<span class="sourceLineNo">787</span> : null;<a name="line.787"></a>
+<span class="sourceLineNo">788</span> int timeout = 0;<a
name="line.788"></a>
+<span class="sourceLineNo">789</span> if (header.hasTimeout() &&
header.getTimeout() > 0) {<a name="line.789"></a>
+<span class="sourceLineNo">790</span> timeout =
Math.max(this.rpcServer.minClientRequestTimeout, header.getTimeout());<a
name="line.790"></a>
+<span class="sourceLineNo">791</span> }<a name="line.791"></a>
+<span class="sourceLineNo">792</span> ServerCall<?> call =
createCall(id, this.service, md, header, param, cellScanner,
totalRequestSize,<a name="line.792"></a>
+<span class="sourceLineNo">793</span> traceInfo, this.addr, timeout,
this.callCleanup);<a name="line.793"></a>
+<span class="sourceLineNo">794</span><a name="line.794"></a>
+<span class="sourceLineNo">795</span> if
(!this.rpcServer.scheduler.dispatch(new CallRunner(this.rpcServer, call))) {<a
name="line.795"></a>
+<span class="sourceLineNo">796</span>
this.rpcServer.callQueueSizeInBytes.add(-1 * call.getSize());<a
name="line.796"></a>
+<span class="sourceLineNo">797</span><a name="line.797"></a>
+<span class="sourceLineNo">798</span> ByteArrayOutputStream
responseBuffer = new ByteArrayOutputStream();<a name="line.798"></a>
+<span class="sourceLineNo">799</span>
this.rpcServer.metrics.exception(RpcServer.CALL_QUEUE_TOO_BIG_EXCEPTION);<a
name="line.799"></a>
+<span class="sourceLineNo">800</span>
this.rpcServer.setupResponse(responseBuffer, call,
RpcServer.CALL_QUEUE_TOO_BIG_EXCEPTION,<a name="line.800"></a>
+<span class="sourceLineNo">801</span> "Call queue is full on " +
this.rpcServer.server.getServerName()<a name="line.801"></a>
+<span class="sourceLineNo">802</span> + ", too many items queued
?");<a name="line.802"></a>
+<span class="sourceLineNo">803</span> call.sendResponseIfReady();<a
name="line.803"></a>
+<span class="sourceLineNo">804</span> }<a name="line.804"></a>
+<span class="sourceLineNo">805</span> }<a name="line.805"></a>
+<span class="sourceLineNo">806</span><a name="line.806"></a>
+<span class="sourceLineNo">807</span> public abstract boolean
isConnectionOpen();<a name="line.807"></a>
+<span class="sourceLineNo">808</span><a name="line.808"></a>
+<span class="sourceLineNo">809</span> public abstract ServerCall<?>
createCall(int id, BlockingService service, MethodDescriptor md,<a
name="line.809"></a>
+<span class="sourceLineNo">810</span> RequestHeader header, Message
param, CellScanner cellScanner, long size, TraceInfo tinfo,<a
name="line.810"></a>
+<span class="sourceLineNo">811</span> InetAddress remoteAddress, int
timeout, CallCleanup reqCleanup);<a name="line.811"></a>
+<span class="sourceLineNo">812</span><a name="line.812"></a>
+<span class="sourceLineNo">813</span> private static class ByteBuffByteInput
extends ByteInput {<a name="line.813"></a>
+<span class="sourceLineNo">814</span><a name="line.814"></a>
+<span class="sourceLineNo">815</span> private ByteBuff buf;<a
name="line.815"></a>
+<span class="sourceLineNo">816</span> private int offset;<a
name="line.816"></a>
+<span class="sourceLineNo">817</span> private int length;<a
name="line.817"></a>
+<span class="sourceLineNo">818</span><a name="line.818"></a>
+<span class="sourceLineNo">819</span> ByteBuffByteInput(ByteBuff buf, int
offset, int length) {<a name="line.819"></a>
+<span class="sourceLineNo">820</span> this.buf = buf;<a
name="line.820"></a>
+<span class="sourceLineNo">821</span> this.offset = offset;<a
name="line.821"></a>
+<span class="sourceLineNo">822</span> this.length = length;<a
name="line.822"></a>
+<span class="sourceLineNo">823</span> }<a name="line.823"></a>
+<span class="sourceLineNo">824</span><a name="line.824"></a>
+<span class="sourceLineNo">825</span> @Override<a name="line.825"></a>
+<span class="sourceLineNo">826</span> public byte read(int offset) {<a
name="line.826"></a>
+<span class="sourceLineNo">827</span> return
this.buf.get(getAbsoluteOffset(offset));<a name="line.827"></a>
+<span class="sourceLineNo">828</span> }<a name="line.828"></a>
+<span class="sourceLineNo">829</span><a name="line.829"></a>
+<span class="sourceLineNo">830</span> private int getAbsoluteOffset(int
offset) {<a name="line.830"></a>
+<span class="sourceLineNo">831</span> return this.offset + offset;<a
name="line.831"></a>
+<span class="sourceLineNo">832</span> }<a name="line.832"></a>
+<span class="sourceLineNo">833</span><a name="line.833"></a>
+<span class="sourceLineNo">834</span> @Override<a name="line.834"></a>
+<span class="sourceLineNo">835</span> public int read(int offset, byte[]
out, int outOffset, int len) {<a name="line.835"></a>
+<span class="sourceLineNo">836</span>
this.buf.get(getAbsoluteOffset(offset), out, outOffset, len);<a
name="line.836"></a>
+<span class="sourceLineNo">837</span> return len;<a name="line.837"></a>
+<span class="sourceLineNo">838</span> }<a name="line.838"></a>
+<span class="sourceLineNo">839</span><a name="line.839"></a>
+<span class="sourceLineNo">840</span> @Override<a name="line.840"></a>
+<span class="sourceLineNo">841</span> public int read(int offset,
ByteBuffer out) {<a name="line.841"></a>
+<span class="sourceLineNo">842</span> int len = out.remaining();<a
name="line.842"></a>
+<span class="sourceLineNo">843</span> this.buf.get(out,
getAbsoluteOffset(offset), len);<a name="line.843"></a>
+<span class="sourceLineNo">844</span> return len;<a name="line.844"></a>
+<span class="sourceLineNo">845</span> }<a name="line.845"></a>
+<span class="sourceLineNo">846</span><a name="line.846"></a>
+<span class="sourceLineNo">847</span> @Override<a name="line.847"></a>
+<span class="sourceLineNo">848</span> public int size() {<a
name="line.848"></a>
+<span class="sourceLineNo">849</span> return this.length;<a
name="line.849"></a>
+<span class="sourceLineNo">850</span> }<a name="line.850"></a>
+<span class="sourceLineNo">851</span> }<a name="line.851"></a>
+<span class="sourceLineNo">852</span>}<a name="line.852"></a>
+
+
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+
+
+</pre>
+</div>
+</body>
+</html>
