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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,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> *<a name="line.18"></a> |
| <span class="sourceLineNo">019</span> */<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>package org.apache.mina.filter.ssl;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.net.InetSocketAddress;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import javax.net.ssl.SSLContext;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import javax.net.ssl.SSLEngine;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import javax.net.ssl.SSLException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import javax.net.ssl.SSLHandshakeException;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import javax.net.ssl.SSLSession;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span><a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.mina.core.buffer.IoBuffer;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.mina.core.filterchain.IoFilter;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.mina.core.filterchain.IoFilterAdapter;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.mina.core.filterchain.IoFilterChain;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.mina.core.future.DefaultWriteFuture;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.mina.core.future.IoFuture;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.mina.core.future.IoFutureListener;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.mina.core.future.WriteFuture;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.mina.core.service.IoAcceptor;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.mina.core.service.IoHandler;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.mina.core.session.AttributeKey;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.mina.core.session.IoSession;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.mina.core.write.WriteRequest;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.mina.core.write.WriteRequestWrapper;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.mina.core.write.WriteToClosedSessionException;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.slf4j.Logger;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.slf4j.LoggerFactory;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span>/**<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * An SSL filter that encrypts and decrypts the data exchanged in the session.<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * Adding this filter triggers SSL handshake procedure immediately by sending<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * a SSL 'hello' message, so you don't need to call<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * {@link #startSsl(IoSession)} manually unless you are implementing StartTLS<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * (see below). If you don't want the handshake procedure to start<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * immediately, please specify {@code false} as {@code autoStart} parameter in<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * the constructor.<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * <p><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * This filter uses an {@link SSLEngine} which was introduced in Java 5, so<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * Java version 5 or above is mandatory to use this filter. And please note that<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * this filter only works for TCP/IP connections.<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> *<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * <h2>Implementing StartTLS</h2><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * <p><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * You can use {@link #DISABLE_ENCRYPTION_ONCE} attribute to implement StartTLS:<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * <pre><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * public void messageReceived(IoSession session, Object message) {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * if (message instanceof MyStartTLSRequest) {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * // Insert SSLFilter to get ready for handshaking<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * session.getFilterChain().addFirst(sslFilter);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> *<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * // Disable encryption temporarily.<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * // This attribute will be removed by SSLFilter<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * // inside the Session.write() call below.<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * session.setAttribute(SSLFilter.DISABLE_ENCRYPTION_ONCE, Boolean.TRUE);<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> *<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * // Write StartTLSResponse which won't be encrypted.<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * session.write(new MyStartTLSResponse(OK));<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> *<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> * // Now DISABLE_ENCRYPTION_ONCE attribute is cleared.<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> * assert session.getAttribute(SSLFilter.DISABLE_ENCRYPTION_ONCE) == null;<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> * </pre><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> *<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * @author <a href="http://mina.apache.org">Apache MINA Project</a><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * @org.apache.xbean.XBean<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> */<a name="line.88"></a> |
| <span class="sourceLineNo">089</span>public class SslFilter extends IoFilterAdapter {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> /** The logger */<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> private static final Logger LOGGER = LoggerFactory.getLogger(SslFilter.class);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> /**<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * A session attribute key that stores underlying {@link SSLSession}<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> * for each session.<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> */<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> public static final AttributeKey SSL_SESSION = new AttributeKey(SslFilter.class, "session");<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> /**<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * A session attribute key that makes next one write request bypass<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * this filter (not encrypting the data). This is a marker attribute,<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * which means that you can put whatever as its value. ({@link Boolean#TRUE}<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> * is preferred.) The attribute is automatically removed from the session<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * attribute map as soon as {@link IoSession#write(Object)} is invoked,<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * and therefore should be put again if you want to make more messages<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * bypass this filter. This is especially useful when you implement<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * StartTLS.<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> */<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> public static final AttributeKey DISABLE_ENCRYPTION_ONCE = new AttributeKey(SslFilter.class, "disableOnce");<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> /**<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * A session attribute key that makes this filter to emit a<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * {@link IoHandler#messageReceived(IoSession, Object)} event with a<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * special message ({@link #SESSION_SECURED} or {@link #SESSION_UNSECURED}).<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> * This is a marker attribute, which means that you can put whatever as its<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> * value. ({@link Boolean#TRUE} is preferred.) By default, this filter<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> * doesn't emit any events related with SSL session flow control.<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> */<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> public static final AttributeKey USE_NOTIFICATION = new AttributeKey(SslFilter.class, "useNotification");<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> /**<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> * A session attribute key that should be set to an {@link InetSocketAddress}.<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * Setting this attribute causes<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * {@link SSLContext#createSSLEngine(String, int)} to be called passing the<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> * hostname and port of the {@link InetSocketAddress} to get an<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * {@link SSLEngine} instance. If not set {@link SSLContext#createSSLEngine()}<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> * will be called.<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> * <br><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> * Using this feature {@link SSLSession} objects may be cached and reused<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> * when in client mode.<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> *<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * @see SSLContext#createSSLEngine(String, int)<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> */<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> public static final AttributeKey PEER_ADDRESS = new AttributeKey(SslFilter.class, "peerAddress");<a name="line.134"></a> |
| <span class="sourceLineNo">135</span><a name="line.135"></a> |
| <span class="sourceLineNo">136</span> /**<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> * A special message object which is emitted with a {@link IoHandler#messageReceived(IoSession, Object)}<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> * event when the session is secured and its {@link #USE_NOTIFICATION}<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> * attribute is set.<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> */<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> public static final SslFilterMessage SESSION_SECURED = new SslFilterMessage("SESSION_SECURED");<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> /**<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> * A special message object which is emitted with a {@link IoHandler#messageReceived(IoSession, Object)}<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> * event when the session is not secure anymore and its {@link #USE_NOTIFICATION}<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> * attribute is set.<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> */<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> public static final SslFilterMessage SESSION_UNSECURED = new SslFilterMessage("SESSION_UNSECURED");<a name="line.148"></a> |
| <span class="sourceLineNo">149</span><a name="line.149"></a> |
| <span class="sourceLineNo">150</span> /** An attribute containing the next filter */<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> private static final AttributeKey NEXT_FILTER = new AttributeKey(SslFilter.class, "nextFilter");<a name="line.151"></a> |
| <span class="sourceLineNo">152</span><a name="line.152"></a> |
| <span class="sourceLineNo">153</span> private static final AttributeKey SSL_HANDLER = new AttributeKey(SslFilter.class, "handler");<a name="line.153"></a> |
| <span class="sourceLineNo">154</span><a name="line.154"></a> |
| <span class="sourceLineNo">155</span> /** The SslContext used */<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> /* No qualifier */final SSLContext sslContext;<a name="line.156"></a> |
| <span class="sourceLineNo">157</span><a name="line.157"></a> |
| <span class="sourceLineNo">158</span> /** A flag used to tell the filter to start the handshake immediately */<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> private final boolean autoStart;<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
| <span class="sourceLineNo">161</span> /** A flag used to determinate if the handshake should start immediately */<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> private static final boolean START_HANDSHAKE = true;<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> private boolean client;<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> private boolean needClientAuth;<a name="line.166"></a> |
| <span class="sourceLineNo">167</span><a name="line.167"></a> |
| <span class="sourceLineNo">168</span> private boolean wantClientAuth;<a name="line.168"></a> |
| <span class="sourceLineNo">169</span><a name="line.169"></a> |
| <span class="sourceLineNo">170</span> private String[] enabledCipherSuites;<a name="line.170"></a> |
| <span class="sourceLineNo">171</span><a name="line.171"></a> |
| <span class="sourceLineNo">172</span> private String[] enabledProtocols;<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> * Creates a new SSL filter using the specified {@link SSLContext}.<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> * The handshake will start immediately.<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> * <a name="line.177"></a> |
| <span class="sourceLineNo">178</span> * @param sslContext The SSLContext to use<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> */<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> public SslFilter(SSLContext sslContext) {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> this(sslContext, START_HANDSHAKE);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span><a name="line.183"></a> |
| <span class="sourceLineNo">184</span> /**<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> * Creates a new SSL filter using the specified {@link SSLContext}.<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> * If the <tt>autostart</tt> flag is set to <tt>true</tt>, the<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> * handshake will start immediately.<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> * <a name="line.188"></a> |
| <span class="sourceLineNo">189</span> * @param sslContext The SSLContext to use<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> * @param autoStart The flag used to tell the filter to start the handshake immediately<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> */<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> public SslFilter(SSLContext sslContext, boolean autoStart) {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> if (sslContext == null) {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> throw new IllegalArgumentException("sslContext");<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> }<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> this.sslContext = sslContext;<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> this.autoStart = autoStart;<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> /**<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> * Returns the underlying {@link SSLSession} for the specified session.<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> *<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> * @param session The current session <a name="line.204"></a> |
| <span class="sourceLineNo">205</span> * @return <tt>null</tt> if no {@link SSLSession} is initialized yet.<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> */<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> public SSLSession getSslSession(IoSession session) {<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> return (SSLSession) session.getAttribute(SSL_SESSION);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> }<a name="line.209"></a> |
| <span class="sourceLineNo">210</span><a name="line.210"></a> |
| <span class="sourceLineNo">211</span> /**<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> * (Re)starts SSL session for the specified <tt>session</tt> if not started yet.<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> * Please note that SSL session is automatically started by default, and therefore<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> * you don't need to call this method unless you've used TLS closure.<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> *<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> * @param session The session that will be switched to SSL mode<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> * @return <tt>true</tt> if the SSL session has been started, <tt>false</tt> if already started.<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> * @throws SSLException if failed to start the SSL session<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> */<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> public boolean startSsl(IoSession session) throws SSLException {<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> SslHandler sslHandler = getSslSessionHandler(session);<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> boolean started;<a name="line.222"></a> |
| <span class="sourceLineNo">223</span><a name="line.223"></a> |
| <span class="sourceLineNo">224</span> try {<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> synchronized (sslHandler) {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> if (sslHandler.isOutboundDone()) {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> NextFilter nextFilter = (NextFilter) session.getAttribute(NEXT_FILTER);<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> sslHandler.destroy();<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> sslHandler.init();<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> sslHandler.handshake(nextFilter);<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> started = true;<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> } else {<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> started = false;<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> }<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> }<a name="line.235"></a> |
| <span class="sourceLineNo">236</span><a name="line.236"></a> |
| <span class="sourceLineNo">237</span> sslHandler.flushScheduledEvents();<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> } catch (SSLException se) {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> sslHandler.release();<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> throw se;<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> return started;<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> }<a name="line.244"></a> |
| <span class="sourceLineNo">245</span><a name="line.245"></a> |
| <span class="sourceLineNo">246</span> /**<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> * An extended toString() method for sessions. If the SSL handshake<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> * is not yet completed, we will print (ssl) in small caps. Once it's<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> * completed, we will use SSL capitalized.<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> */<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> /* no qualifier */String getSessionInfo(IoSession session) {<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> StringBuilder sb = new StringBuilder();<a name="line.252"></a> |
| <span class="sourceLineNo">253</span><a name="line.253"></a> |
| <span class="sourceLineNo">254</span> if (session.getService() instanceof IoAcceptor) {<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> sb.append("Session Server");<a name="line.255"></a> |
| <span class="sourceLineNo">256</span><a name="line.256"></a> |
| <span class="sourceLineNo">257</span> } else {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> sb.append("Session Client");<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span><a name="line.260"></a> |
| <span class="sourceLineNo">261</span> sb.append('[').append(session.getId()).append(']');<a name="line.261"></a> |
| <span class="sourceLineNo">262</span><a name="line.262"></a> |
| <span class="sourceLineNo">263</span> SslHandler sslHandler = (SslHandler) session.getAttribute(SSL_HANDLER);<a name="line.263"></a> |
| <span class="sourceLineNo">264</span><a name="line.264"></a> |
| <span class="sourceLineNo">265</span> if (sslHandler == null) {<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> sb.append("(no sslEngine)");<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> } else if (isSslStarted(session)) {<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> if (sslHandler.isHandshakeComplete()) {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> sb.append("(SSL)");<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> } else {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> sb.append("(ssl...)");<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> }<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> return sb.toString();<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> }<a name="line.276"></a> |
| <span class="sourceLineNo">277</span><a name="line.277"></a> |
| <span class="sourceLineNo">278</span> /**<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> * @return <tt>true</tt> if and only if the specified <tt>session</tt> is<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> * encrypted/decrypted over SSL/TLS currently. This method will start<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> * to return <tt>false</tt> after TLS <tt>close_notify</tt> message<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> * is sent and any messages written after then is not going to get encrypted.<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> * <a name="line.283"></a> |
| <span class="sourceLineNo">284</span> * @param session the session we want to check<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> */<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> public boolean isSslStarted(IoSession session) {<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> SslHandler sslHandler = (SslHandler) session.getAttribute(SSL_HANDLER);<a name="line.287"></a> |
| <span class="sourceLineNo">288</span><a name="line.288"></a> |
| <span class="sourceLineNo">289</span> if (sslHandler == null) {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> return false;<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> }<a name="line.291"></a> |
| <span class="sourceLineNo">292</span><a name="line.292"></a> |
| <span class="sourceLineNo">293</span> synchronized (sslHandler) {<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> return !sslHandler.isOutboundDone();<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><a name="line.297"></a> |
| <span class="sourceLineNo">298</span> /**<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> * Stops the SSL session by sending TLS <tt>close_notify</tt> message to<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> * initiate TLS closure.<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> *<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> * @param session the {@link IoSession} to initiate TLS closure<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> * @return The Future for the initiated closure<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> * @throws SSLException if failed to initiate TLS closure<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> */<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> public WriteFuture stopSsl(IoSession session) throws SSLException {<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> SslHandler sslHandler = getSslSessionHandler(session);<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> NextFilter nextFilter = (NextFilter) session.getAttribute(NEXT_FILTER);<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> WriteFuture future;<a name="line.309"></a> |
| <span class="sourceLineNo">310</span><a name="line.310"></a> |
| <span class="sourceLineNo">311</span> try {<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> synchronized (sslHandler) {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> future = initiateClosure(nextFilter, session);<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> }<a name="line.314"></a> |
| <span class="sourceLineNo">315</span><a name="line.315"></a> |
| <span class="sourceLineNo">316</span> sslHandler.flushScheduledEvents();<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> } catch (SSLException se) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> sslHandler.release();<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> throw se;<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> }<a name="line.320"></a> |
| <span class="sourceLineNo">321</span><a name="line.321"></a> |
| <span class="sourceLineNo">322</span> return future;<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> }<a name="line.323"></a> |
| <span class="sourceLineNo">324</span><a name="line.324"></a> |
| <span class="sourceLineNo">325</span> /**<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> * @return <tt>true</tt> if the engine is set to use client mode<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> * when handshaking.<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> */<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> public boolean isUseClientMode() {<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> return client;<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> }<a name="line.331"></a> |
| <span class="sourceLineNo">332</span><a name="line.332"></a> |
| <span class="sourceLineNo">333</span> /**<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> * Configures the engine to use client (or server) mode when handshaking.<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> * <a name="line.335"></a> |
| <span class="sourceLineNo">336</span> * @param clientMode <tt>true</tt> when we are in client mode, <tt>false</tt> when in server mode<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> */<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> public void setUseClientMode(boolean clientMode) {<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> this.client = clientMode;<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> }<a name="line.340"></a> |
| <span class="sourceLineNo">341</span><a name="line.341"></a> |
| <span class="sourceLineNo">342</span> /**<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> * @return <tt>true</tt> if the engine will <em>require</em> client authentication.<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> * This option is only useful to engines in the server mode.<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> */<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> public boolean isNeedClientAuth() {<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> return needClientAuth;<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> }<a name="line.348"></a> |
| <span class="sourceLineNo">349</span><a name="line.349"></a> |
| <span class="sourceLineNo">350</span> /**<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> * Configures the engine to <em>require</em> client authentication.<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> * This option is only useful for engines in the server mode.<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> * <a name="line.353"></a> |
| <span class="sourceLineNo">354</span> * @param needClientAuth A flag set when we need to authenticate the client<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> */<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> public void setNeedClientAuth(boolean needClientAuth) {<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> this.needClientAuth = needClientAuth;<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> }<a name="line.358"></a> |
| <span class="sourceLineNo">359</span><a name="line.359"></a> |
| <span class="sourceLineNo">360</span> /**<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> * @return <tt>true</tt> if the engine will <em>request</em> client authentication.<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> * This option is only useful to engines in the server mode.<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> */<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> public boolean isWantClientAuth() {<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> return wantClientAuth;<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> }<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> * Configures the engine to <em>request</em> client authentication.<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> * This option is only useful for engines in the server mode.<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> * <a name="line.371"></a> |
| <span class="sourceLineNo">372</span> * @param wantClientAuth A flag set when we want to check the client authentication<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> */<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> public void setWantClientAuth(boolean wantClientAuth) {<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> this.wantClientAuth = wantClientAuth;<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> }<a name="line.376"></a> |
| <span class="sourceLineNo">377</span><a name="line.377"></a> |
| <span class="sourceLineNo">378</span> /**<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> * @return the list of cipher suites to be enabled when {@link SSLEngine}<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> * is initialized. <tt>null</tt> means 'use {@link SSLEngine}'s default.'<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> */<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> public String[] getEnabledCipherSuites() {<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> return enabledCipherSuites;<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> }<a name="line.384"></a> |
| <span class="sourceLineNo">385</span><a name="line.385"></a> |
| <span class="sourceLineNo">386</span> /**<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> * Sets the list of cipher suites to be enabled when {@link SSLEngine}<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> * is initialized.<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> *<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> * @param cipherSuites <tt>null</tt> means 'use {@link SSLEngine}'s default.'<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> */<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> public void setEnabledCipherSuites(String[] cipherSuites) {<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> this.enabledCipherSuites = cipherSuites;<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> }<a name="line.394"></a> |
| <span class="sourceLineNo">395</span><a name="line.395"></a> |
| <span class="sourceLineNo">396</span> /**<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> * @return the list of protocols to be enabled when {@link SSLEngine}<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> * is initialized. <tt>null</tt> means 'use {@link SSLEngine}'s default.'<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> */<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> public String[] getEnabledProtocols() {<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> return enabledProtocols;<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> }<a name="line.402"></a> |
| <span class="sourceLineNo">403</span><a name="line.403"></a> |
| <span class="sourceLineNo">404</span> /**<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> * Sets the list of protocols to be enabled when {@link SSLEngine}<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> * is initialized.<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> *<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> * @param protocols <tt>null</tt> means 'use {@link SSLEngine}'s default.'<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> */<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> public void setEnabledProtocols(String[] protocols) {<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> this.enabledProtocols = protocols;<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> }<a name="line.412"></a> |
| <span class="sourceLineNo">413</span><a name="line.413"></a> |
| <span class="sourceLineNo">414</span> /**<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> * Executed just before the filter is added into the chain, we do :<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> * <ul><a name="line.416"></a> |
| <span class="sourceLineNo">417</span> * <li>check that we don't have a SSL filter already present<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> * <li>we update the next filter<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> * <li>we create the SSL handler helper class<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> * <li>and we store it into the session's Attributes<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> * </ul><a name="line.421"></a> |
| <span class="sourceLineNo">422</span> */<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> @Override<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> public void onPreAdd(IoFilterChain parent, String name, NextFilter nextFilter) throws SSLException {<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> // Check that we don't have a SSL filter already present in the chain<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> if (parent.contains(SslFilter.class)) {<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> String msg = "Only one SSL filter is permitted in a chain.";<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> LOGGER.error(msg);<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> throw new IllegalStateException(msg);<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> }<a name="line.430"></a> |
| <span class="sourceLineNo">431</span><a name="line.431"></a> |
| <span class="sourceLineNo">432</span> LOGGER.debug("Adding the SSL Filter {} to the chain", name);<a name="line.432"></a> |
| <span class="sourceLineNo">433</span><a name="line.433"></a> |
| <span class="sourceLineNo">434</span> IoSession session = parent.getSession();<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> session.setAttribute(NEXT_FILTER, nextFilter);<a name="line.435"></a> |
| <span class="sourceLineNo">436</span><a name="line.436"></a> |
| <span class="sourceLineNo">437</span> // Create a SSL handler and start handshake.<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> SslHandler sslHandler = new SslHandler(this, session);<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> <a name="line.439"></a> |
| <span class="sourceLineNo">440</span> // Adding the supported ciphers in the SSLHandler<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> if ((enabledCipherSuites == null) || (enabledCipherSuites.length == 0)) {<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> enabledCipherSuites = sslContext.getServerSocketFactory().getSupportedCipherSuites();<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> }<a name="line.443"></a> |
| <span class="sourceLineNo">444</span><a name="line.444"></a> |
| <span class="sourceLineNo">445</span> sslHandler.init();<a name="line.445"></a> |
| <span class="sourceLineNo">446</span><a name="line.446"></a> |
| <span class="sourceLineNo">447</span> session.setAttribute(SSL_HANDLER, sslHandler);<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> }<a name="line.448"></a> |
| <span class="sourceLineNo">449</span><a name="line.449"></a> |
| <span class="sourceLineNo">450</span> @Override<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> public void onPostAdd(IoFilterChain parent, String name, NextFilter nextFilter) throws SSLException {<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> if (autoStart == START_HANDSHAKE) {<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> initiateHandshake(nextFilter, parent.getSession());<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> }<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> }<a name="line.455"></a> |
| <span class="sourceLineNo">456</span><a name="line.456"></a> |
| <span class="sourceLineNo">457</span> @Override<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> public void onPreRemove(IoFilterChain parent, String name, NextFilter nextFilter) throws SSLException {<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> IoSession session = parent.getSession();<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> stopSsl(session);<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> session.removeAttribute(NEXT_FILTER);<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> session.removeAttribute(SSL_HANDLER);<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> }<a name="line.463"></a> |
| <span class="sourceLineNo">464</span><a name="line.464"></a> |
| <span class="sourceLineNo">465</span> // IoFilter impl.<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> @Override<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> public void sessionClosed(NextFilter nextFilter, IoSession session) throws SSLException {<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> SslHandler sslHandler = getSslSessionHandler(session);<a name="line.468"></a> |
| <span class="sourceLineNo">469</span><a name="line.469"></a> |
| <span class="sourceLineNo">470</span> try {<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> synchronized (sslHandler) {<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> // release resources<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> sslHandler.destroy();<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> }<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> } finally {<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> // notify closed session<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> nextFilter.sessionClosed(session);<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> }<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> }<a name="line.479"></a> |
| <span class="sourceLineNo">480</span><a name="line.480"></a> |
| <span class="sourceLineNo">481</span> @Override<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> public void messageReceived(NextFilter nextFilter, IoSession session, Object message) throws SSLException {<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> if (LOGGER.isDebugEnabled()) {<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> LOGGER.debug("{}: Message received : {}", getSessionInfo(session), message);<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> }<a name="line.485"></a> |
| <span class="sourceLineNo">486</span><a name="line.486"></a> |
| <span class="sourceLineNo">487</span> SslHandler sslHandler = getSslSessionHandler(session);<a name="line.487"></a> |
| <span class="sourceLineNo">488</span><a name="line.488"></a> |
| <span class="sourceLineNo">489</span> synchronized (sslHandler) {<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> if (!isSslStarted(session) && sslHandler.isInboundDone()) {<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> // The SSL session must be established first before we<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> // can push data to the application. Store the incoming<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> // data into a queue for a later processing<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> sslHandler.scheduleMessageReceived(nextFilter, message);<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> } else {<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> IoBuffer buf = (IoBuffer) message;<a name="line.496"></a> |
| <span class="sourceLineNo">497</span><a name="line.497"></a> |
| <span class="sourceLineNo">498</span> try {<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> // forward read encrypted data to SSL handler<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> sslHandler.messageReceived(nextFilter, buf.buf());<a name="line.500"></a> |
| <span class="sourceLineNo">501</span><a name="line.501"></a> |
| <span class="sourceLineNo">502</span> // Handle data to be forwarded to application or written to net<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> handleSslData(nextFilter, sslHandler);<a name="line.503"></a> |
| <span class="sourceLineNo">504</span><a name="line.504"></a> |
| <span class="sourceLineNo">505</span> if (sslHandler.isInboundDone()) {<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> if (sslHandler.isOutboundDone()) {<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> sslHandler.destroy();<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> } else {<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> initiateClosure(nextFilter, session);<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> }<a name="line.510"></a> |
| <span class="sourceLineNo">511</span><a name="line.511"></a> |
| <span class="sourceLineNo">512</span> if (buf.hasRemaining()) {<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> // Forward the data received after closure.<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> sslHandler.scheduleMessageReceived(nextFilter, buf);<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> }<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> }<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> } catch (SSLException ssle) {<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> if (!sslHandler.isHandshakeComplete()) {<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> SSLException newSsle = new SSLHandshakeException("SSL handshake failed.");<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> newSsle.initCause(ssle);<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> ssle = newSsle;<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> } else {<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> // Free the SSL Handler buffers<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> sslHandler.release();<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> }<a name="line.525"></a> |
| <span class="sourceLineNo">526</span><a name="line.526"></a> |
| <span class="sourceLineNo">527</span> throw ssle;<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> }<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> }<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> }<a name="line.530"></a> |
| <span class="sourceLineNo">531</span><a name="line.531"></a> |
| <span class="sourceLineNo">532</span> sslHandler.flushScheduledEvents();<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> }<a name="line.533"></a> |
| <span class="sourceLineNo">534</span><a name="line.534"></a> |
| <span class="sourceLineNo">535</span> @Override<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> public void messageSent(NextFilter nextFilter, IoSession session, WriteRequest writeRequest) {<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> if (writeRequest instanceof EncryptedWriteRequest) {<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> EncryptedWriteRequest wrappedRequest = (EncryptedWriteRequest) writeRequest;<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> nextFilter.messageSent(session, wrappedRequest.getParentRequest());<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> } else {<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> // ignore extra buffers used for handshaking<a name="line.541"></a> |
| <span class="sourceLineNo">542</span> }<a name="line.542"></a> |
| <span class="sourceLineNo">543</span> }<a name="line.543"></a> |
| <span class="sourceLineNo">544</span><a name="line.544"></a> |
| <span class="sourceLineNo">545</span> @Override<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> public void exceptionCaught(NextFilter nextFilter, IoSession session, Throwable cause) throws Exception {<a name="line.546"></a> |
| <span class="sourceLineNo">547</span><a name="line.547"></a> |
| <span class="sourceLineNo">548</span> if (cause instanceof WriteToClosedSessionException) {<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> // Filter out SSL close notify, which is likely to fail to flush<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> // due to disconnection.<a name="line.550"></a> |
| <span class="sourceLineNo">551</span> WriteToClosedSessionException e = (WriteToClosedSessionException) cause;<a name="line.551"></a> |
| <span class="sourceLineNo">552</span> List<WriteRequest> failedRequests = e.getRequests();<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> boolean containsCloseNotify = false;<a name="line.553"></a> |
| <span class="sourceLineNo">554</span><a name="line.554"></a> |
| <span class="sourceLineNo">555</span> for (WriteRequest r : failedRequests) {<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> if (isCloseNotify(r.getMessage())) {<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> containsCloseNotify = true;<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> break;<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> }<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> }<a name="line.560"></a> |
| <span class="sourceLineNo">561</span><a name="line.561"></a> |
| <span class="sourceLineNo">562</span> if (containsCloseNotify) {<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> if (failedRequests.size() == 1) {<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> // close notify is the only failed request; bail out.<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> return;<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> }<a name="line.566"></a> |
| <span class="sourceLineNo">567</span><a name="line.567"></a> |
| <span class="sourceLineNo">568</span> List<WriteRequest> newFailedRequests = new ArrayList<WriteRequest>(failedRequests.size() - 1);<a name="line.568"></a> |
| <span class="sourceLineNo">569</span><a name="line.569"></a> |
| <span class="sourceLineNo">570</span> for (WriteRequest r : failedRequests) {<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> if (!isCloseNotify(r.getMessage())) {<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> newFailedRequests.add(r);<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> }<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> }<a name="line.574"></a> |
| <span class="sourceLineNo">575</span><a name="line.575"></a> |
| <span class="sourceLineNo">576</span> if (newFailedRequests.isEmpty()) {<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> // the failedRequests were full with close notify; bail out.<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> return;<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> }<a name="line.579"></a> |
| <span class="sourceLineNo">580</span><a name="line.580"></a> |
| <span class="sourceLineNo">581</span> cause = new WriteToClosedSessionException(newFailedRequests, cause.getMessage(), cause.getCause());<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> }<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> }<a name="line.583"></a> |
| <span class="sourceLineNo">584</span><a name="line.584"></a> |
| <span class="sourceLineNo">585</span> nextFilter.exceptionCaught(session, cause);<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> }<a name="line.586"></a> |
| <span class="sourceLineNo">587</span><a name="line.587"></a> |
| <span class="sourceLineNo">588</span> private boolean isCloseNotify(Object message) {<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> if (!(message instanceof IoBuffer)) {<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> return false;<a name="line.590"></a> |
| <span class="sourceLineNo">591</span> }<a name="line.591"></a> |
| <span class="sourceLineNo">592</span><a name="line.592"></a> |
| <span class="sourceLineNo">593</span> IoBuffer buf = (IoBuffer) message;<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> int offset = buf.position();<a name="line.594"></a> |
| <span class="sourceLineNo">595</span><a name="line.595"></a> |
| <span class="sourceLineNo">596</span> return (buf.get(offset + 0) == 0x15) /* Alert */<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> && (buf.get(offset + 1) == 0x03) /* TLS/SSL */<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> && ((buf.get(offset + 2) == 0x00) /* SSL 3.0 */<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> || (buf.get(offset + 2) == 0x01) /* TLS 1.0 */<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> || (buf.get(offset + 2) == 0x02) /* TLS 1.1 */<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> || (buf.get(offset + 2) == 0x03)) /* TLS 1.2 */<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> && (buf.get(offset + 3) == 0x00); /* close_notify */<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> }<a name="line.603"></a> |
| <span class="sourceLineNo">604</span><a name="line.604"></a> |
| <span class="sourceLineNo">605</span> @Override<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> public void filterWrite(NextFilter nextFilter, IoSession session, WriteRequest writeRequest) throws SSLException {<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> if (LOGGER.isDebugEnabled()) {<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> LOGGER.debug("{}: Writing Message : {}", getSessionInfo(session), writeRequest);<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> }<a name="line.609"></a> |
| <span class="sourceLineNo">610</span><a name="line.610"></a> |
| <span class="sourceLineNo">611</span> boolean needsFlush = true;<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> SslHandler sslHandler = getSslSessionHandler(session);<a name="line.612"></a> |
| <span class="sourceLineNo">613</span><a name="line.613"></a> |
| <span class="sourceLineNo">614</span> try {<a name="line.614"></a> |
| <span class="sourceLineNo">615</span> synchronized (sslHandler) {<a name="line.615"></a> |
| <span class="sourceLineNo">616</span> if (!isSslStarted(session)) {<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> sslHandler.scheduleFilterWrite(nextFilter, writeRequest);<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> }<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> // Don't encrypt the data if encryption is disabled.<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> else if (session.containsAttribute(DISABLE_ENCRYPTION_ONCE)) {<a name="line.620"></a> |
| <span class="sourceLineNo">621</span> // Remove the marker attribute because it is temporary.<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> session.removeAttribute(DISABLE_ENCRYPTION_ONCE);<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> sslHandler.scheduleFilterWrite(nextFilter, writeRequest);<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> } else {<a name="line.624"></a> |
| <span class="sourceLineNo">625</span> // Otherwise, encrypt the buffer.<a name="line.625"></a> |
| <span class="sourceLineNo">626</span> IoBuffer buf = (IoBuffer) writeRequest.getMessage();<a name="line.626"></a> |
| <span class="sourceLineNo">627</span><a name="line.627"></a> |
| <span class="sourceLineNo">628</span> if (sslHandler.isWritingEncryptedData()) {<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> // data already encrypted; simply return buffer<a name="line.629"></a> |
| <span class="sourceLineNo">630</span> sslHandler.scheduleFilterWrite(nextFilter, writeRequest);<a name="line.630"></a> |
| <span class="sourceLineNo">631</span> } else if (sslHandler.isHandshakeComplete()) {<a name="line.631"></a> |
| <span class="sourceLineNo">632</span> // SSL encrypt<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> buf.mark();<a name="line.633"></a> |
| <span class="sourceLineNo">634</span> sslHandler.encrypt(buf.buf());<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> IoBuffer encryptedBuffer = sslHandler.fetchOutNetBuffer();<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> sslHandler.scheduleFilterWrite(nextFilter, new EncryptedWriteRequest(writeRequest,<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> encryptedBuffer));<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> } else {<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> if (session.isConnected()) {<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> // Handshake not complete yet.<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> sslHandler.schedulePreHandshakeWriteRequest(nextFilter, writeRequest);<a name="line.641"></a> |
| <span class="sourceLineNo">642</span> }<a name="line.642"></a> |
| <span class="sourceLineNo">643</span><a name="line.643"></a> |
| <span class="sourceLineNo">644</span> needsFlush = false;<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> }<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> }<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> if (needsFlush) {<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> sslHandler.flushScheduledEvents();<a name="line.650"></a> |
| <span class="sourceLineNo">651</span> }<a name="line.651"></a> |
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| <span class="sourceLineNo">653</span> sslHandler.release();<a name="line.653"></a> |
| <span class="sourceLineNo">654</span> throw se;<a name="line.654"></a> |
| <span class="sourceLineNo">655</span> }<a name="line.655"></a> |
| <span class="sourceLineNo">656</span> }<a name="line.656"></a> |
| <span class="sourceLineNo">657</span><a name="line.657"></a> |
| <span class="sourceLineNo">658</span> @Override<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> public void filterClose(final NextFilter nextFilter, final IoSession session) throws SSLException {<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> SslHandler sslHandler = (SslHandler) session.getAttribute(SSL_HANDLER);<a name="line.660"></a> |
| <span class="sourceLineNo">661</span><a name="line.661"></a> |
| <span class="sourceLineNo">662</span> if (sslHandler == null) {<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> // The connection might already have closed, or<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> // SSL might have not started yet.<a name="line.664"></a> |
| <span class="sourceLineNo">665</span> nextFilter.filterClose(session);<a name="line.665"></a> |
| <span class="sourceLineNo">666</span> return;<a name="line.666"></a> |
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| <span class="sourceLineNo">668</span><a name="line.668"></a> |
| <span class="sourceLineNo">669</span> WriteFuture future = null;<a name="line.669"></a> |
| <span class="sourceLineNo">670</span><a name="line.670"></a> |
| <span class="sourceLineNo">671</span> try {<a name="line.671"></a> |
| <span class="sourceLineNo">672</span> synchronized (sslHandler) {<a name="line.672"></a> |
| <span class="sourceLineNo">673</span> if (isSslStarted(session)) {<a name="line.673"></a> |
| <span class="sourceLineNo">674</span> future = initiateClosure(nextFilter, session);<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> future.addListener(new IoFutureListener<IoFuture>() {<a name="line.675"></a> |
| <span class="sourceLineNo">676</span> public void operationComplete(IoFuture future) {<a name="line.676"></a> |
| <span class="sourceLineNo">677</span> nextFilter.filterClose(session);<a name="line.677"></a> |
| <span class="sourceLineNo">678</span> }<a name="line.678"></a> |
| <span class="sourceLineNo">679</span> });<a name="line.679"></a> |
| <span class="sourceLineNo">680</span> }<a name="line.680"></a> |
| <span class="sourceLineNo">681</span> }<a name="line.681"></a> |
| <span class="sourceLineNo">682</span><a name="line.682"></a> |
| <span class="sourceLineNo">683</span> sslHandler.flushScheduledEvents();<a name="line.683"></a> |
| <span class="sourceLineNo">684</span> } catch (SSLException se) {<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> sslHandler.release();<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> throw se;<a name="line.686"></a> |
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| <span class="sourceLineNo">688</span> if (future == null) {<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> nextFilter.filterClose(session);<a name="line.689"></a> |
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| <span class="sourceLineNo">691</span> }<a name="line.691"></a> |
| <span class="sourceLineNo">692</span> }<a name="line.692"></a> |
| <span class="sourceLineNo">693</span><a name="line.693"></a> |
| <span class="sourceLineNo">694</span> /**<a name="line.694"></a> |
| <span class="sourceLineNo">695</span> * Initiate the SSL handshake. This can be invoked if you have set the 'autoStart' to<a name="line.695"></a> |
| <span class="sourceLineNo">696</span> * false when creating the SslFilter instance.<a name="line.696"></a> |
| <span class="sourceLineNo">697</span> * <a name="line.697"></a> |
| <span class="sourceLineNo">698</span> * @param session The session for which the SSL handshake should be done<a name="line.698"></a> |
| <span class="sourceLineNo">699</span> * @throws SSLException If the handshake failed<a name="line.699"></a> |
| <span class="sourceLineNo">700</span> */<a name="line.700"></a> |
| <span class="sourceLineNo">701</span> public void initiateHandshake(IoSession session) throws SSLException {<a name="line.701"></a> |
| <span class="sourceLineNo">702</span> IoFilterChain filterChain = session.getFilterChain();<a name="line.702"></a> |
| <span class="sourceLineNo">703</span> <a name="line.703"></a> |
| <span class="sourceLineNo">704</span> if (filterChain == null) {<a name="line.704"></a> |
| <span class="sourceLineNo">705</span> throw new SSLException("No filter chain");<a name="line.705"></a> |
| <span class="sourceLineNo">706</span> }<a name="line.706"></a> |
| <span class="sourceLineNo">707</span> <a name="line.707"></a> |
| <span class="sourceLineNo">708</span> IoFilter.NextFilter nextFilter = filterChain.getNextFilter(SslFilter.class);<a name="line.708"></a> |
| <span class="sourceLineNo">709</span> <a name="line.709"></a> |
| <span class="sourceLineNo">710</span> if (nextFilter == null) {<a name="line.710"></a> |
| <span class="sourceLineNo">711</span> throw new SSLException("No SSL next filter in the chain");<a name="line.711"></a> |
| <span class="sourceLineNo">712</span> }<a name="line.712"></a> |
| <span class="sourceLineNo">713</span> <a name="line.713"></a> |
| <span class="sourceLineNo">714</span> initiateHandshake(nextFilter, session);<a name="line.714"></a> |
| <span class="sourceLineNo">715</span> }<a name="line.715"></a> |
| <span class="sourceLineNo">716</span><a name="line.716"></a> |
| <span class="sourceLineNo">717</span> private void initiateHandshake(NextFilter nextFilter, IoSession session) throws SSLException {<a name="line.717"></a> |
| <span class="sourceLineNo">718</span> LOGGER.debug("{} : Starting the first handshake", getSessionInfo(session));<a name="line.718"></a> |
| <span class="sourceLineNo">719</span> SslHandler sslHandler = getSslSessionHandler(session);<a name="line.719"></a> |
| <span class="sourceLineNo">720</span><a name="line.720"></a> |
| <span class="sourceLineNo">721</span> try {<a name="line.721"></a> |
| <span class="sourceLineNo">722</span> synchronized (sslHandler) {<a name="line.722"></a> |
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| <span class="sourceLineNo">724</span> }<a name="line.724"></a> |
| <span class="sourceLineNo">725</span><a name="line.725"></a> |
| <span class="sourceLineNo">726</span> sslHandler.flushScheduledEvents();<a name="line.726"></a> |
| <span class="sourceLineNo">727</span> } catch (SSLException se) {<a name="line.727"></a> |
| <span class="sourceLineNo">728</span> sslHandler.release();<a name="line.728"></a> |
| <span class="sourceLineNo">729</span> throw se;<a name="line.729"></a> |
| <span class="sourceLineNo">730</span> }<a name="line.730"></a> |
| <span class="sourceLineNo">731</span> }<a name="line.731"></a> |
| <span class="sourceLineNo">732</span><a name="line.732"></a> |
| <span class="sourceLineNo">733</span> private WriteFuture initiateClosure(NextFilter nextFilter, IoSession session) throws SSLException {<a name="line.733"></a> |
| <span class="sourceLineNo">734</span> SslHandler sslHandler = getSslSessionHandler(session);<a name="line.734"></a> |
| <span class="sourceLineNo">735</span> WriteFuture future = null;<a name="line.735"></a> |
| <span class="sourceLineNo">736</span><a name="line.736"></a> |
| <span class="sourceLineNo">737</span> // if already shut down<a name="line.737"></a> |
| <span class="sourceLineNo">738</span> try {<a name="line.738"></a> |
| <span class="sourceLineNo">739</span> if (!sslHandler.closeOutbound()) {<a name="line.739"></a> |
| <span class="sourceLineNo">740</span> return DefaultWriteFuture.newNotWrittenFuture(session, new IllegalStateException(<a name="line.740"></a> |
| <span class="sourceLineNo">741</span> "SSL session is shut down already."));<a name="line.741"></a> |
| <span class="sourceLineNo">742</span> }<a name="line.742"></a> |
| <span class="sourceLineNo">743</span><a name="line.743"></a> |
| <span class="sourceLineNo">744</span> // there might be data to write out here?<a name="line.744"></a> |
| <span class="sourceLineNo">745</span> future = sslHandler.writeNetBuffer(nextFilter);<a name="line.745"></a> |
| <span class="sourceLineNo">746</span><a name="line.746"></a> |
| <span class="sourceLineNo">747</span> if (future == null) {<a name="line.747"></a> |
| <span class="sourceLineNo">748</span> future = DefaultWriteFuture.newWrittenFuture(session);<a name="line.748"></a> |
| <span class="sourceLineNo">749</span> }<a name="line.749"></a> |
| <span class="sourceLineNo">750</span><a name="line.750"></a> |
| <span class="sourceLineNo">751</span> if (sslHandler.isInboundDone()) {<a name="line.751"></a> |
| <span class="sourceLineNo">752</span> sslHandler.destroy();<a name="line.752"></a> |
| <span class="sourceLineNo">753</span> }<a name="line.753"></a> |
| <span class="sourceLineNo">754</span><a name="line.754"></a> |
| <span class="sourceLineNo">755</span> if (session.containsAttribute(USE_NOTIFICATION)) {<a name="line.755"></a> |
| <span class="sourceLineNo">756</span> sslHandler.scheduleMessageReceived(nextFilter, SESSION_UNSECURED);<a name="line.756"></a> |
| <span class="sourceLineNo">757</span> }<a name="line.757"></a> |
| <span class="sourceLineNo">758</span> } catch (SSLException se) {<a name="line.758"></a> |
| <span class="sourceLineNo">759</span> sslHandler.release();<a name="line.759"></a> |
| <span class="sourceLineNo">760</span> throw se;<a name="line.760"></a> |
| <span class="sourceLineNo">761</span> }<a name="line.761"></a> |
| <span class="sourceLineNo">762</span><a name="line.762"></a> |
| <span class="sourceLineNo">763</span> return future;<a name="line.763"></a> |
| <span class="sourceLineNo">764</span> }<a name="line.764"></a> |
| <span class="sourceLineNo">765</span><a name="line.765"></a> |
| <span class="sourceLineNo">766</span> // Utilities<a name="line.766"></a> |
| <span class="sourceLineNo">767</span> private void handleSslData(NextFilter nextFilter, SslHandler sslHandler) throws SSLException {<a name="line.767"></a> |
| <span class="sourceLineNo">768</span> if (LOGGER.isDebugEnabled()) {<a name="line.768"></a> |
| <span class="sourceLineNo">769</span> LOGGER.debug("{}: Processing the SSL Data ", getSessionInfo(sslHandler.getSession()));<a name="line.769"></a> |
| <span class="sourceLineNo">770</span> }<a name="line.770"></a> |
| <span class="sourceLineNo">771</span><a name="line.771"></a> |
| <span class="sourceLineNo">772</span> // Flush any buffered write requests occurred before handshaking.<a name="line.772"></a> |
| <span class="sourceLineNo">773</span> if (sslHandler.isHandshakeComplete()) {<a name="line.773"></a> |
| <span class="sourceLineNo">774</span> sslHandler.flushPreHandshakeEvents();<a name="line.774"></a> |
| <span class="sourceLineNo">775</span> }<a name="line.775"></a> |
| <span class="sourceLineNo">776</span><a name="line.776"></a> |
| <span class="sourceLineNo">777</span> // Write encrypted data to be written (if any)<a name="line.777"></a> |
| <span class="sourceLineNo">778</span> sslHandler.writeNetBuffer(nextFilter);<a name="line.778"></a> |
| <span class="sourceLineNo">779</span><a name="line.779"></a> |
| <span class="sourceLineNo">780</span> // handle app. data read (if any)<a name="line.780"></a> |
| <span class="sourceLineNo">781</span> handleAppDataRead(nextFilter, sslHandler);<a name="line.781"></a> |
| <span class="sourceLineNo">782</span> }<a name="line.782"></a> |
| <span class="sourceLineNo">783</span><a name="line.783"></a> |
| <span class="sourceLineNo">784</span> private void handleAppDataRead(NextFilter nextFilter, SslHandler sslHandler) {<a name="line.784"></a> |
| <span class="sourceLineNo">785</span> // forward read app data<a name="line.785"></a> |
| <span class="sourceLineNo">786</span> IoBuffer readBuffer = sslHandler.fetchAppBuffer();<a name="line.786"></a> |
| <span class="sourceLineNo">787</span><a name="line.787"></a> |
| <span class="sourceLineNo">788</span> if (readBuffer.hasRemaining()) {<a name="line.788"></a> |
| <span class="sourceLineNo">789</span> sslHandler.scheduleMessageReceived(nextFilter, readBuffer);<a name="line.789"></a> |
| <span class="sourceLineNo">790</span> }<a name="line.790"></a> |
| <span class="sourceLineNo">791</span> }<a name="line.791"></a> |
| <span class="sourceLineNo">792</span><a name="line.792"></a> |
| <span class="sourceLineNo">793</span> private SslHandler getSslSessionHandler(IoSession session) {<a name="line.793"></a> |
| <span class="sourceLineNo">794</span> SslHandler sslHandler = (SslHandler) session.getAttribute(SSL_HANDLER);<a name="line.794"></a> |
| <span class="sourceLineNo">795</span><a name="line.795"></a> |
| <span class="sourceLineNo">796</span> if (sslHandler == null) {<a name="line.796"></a> |
| <span class="sourceLineNo">797</span> throw new IllegalStateException();<a name="line.797"></a> |
| <span class="sourceLineNo">798</span> }<a name="line.798"></a> |
| <span class="sourceLineNo">799</span><a name="line.799"></a> |
| <span class="sourceLineNo">800</span> if (sslHandler.getSslFilter() != this) {<a name="line.800"></a> |
| <span class="sourceLineNo">801</span> throw new IllegalArgumentException("Not managed by this filter.");<a name="line.801"></a> |
| <span class="sourceLineNo">802</span> }<a name="line.802"></a> |
| <span class="sourceLineNo">803</span><a name="line.803"></a> |
| <span class="sourceLineNo">804</span> return sslHandler;<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> /**<a name="line.807"></a> |
| <span class="sourceLineNo">808</span> * A message that is sent from {@link SslFilter} when the connection became<a name="line.808"></a> |
| <span class="sourceLineNo">809</span> * secure or is not secure anymore.<a name="line.809"></a> |
| <span class="sourceLineNo">810</span> *<a name="line.810"></a> |
| <span class="sourceLineNo">811</span> * @author <a href="http://mina.apache.org">Apache MINA Project</a><a name="line.811"></a> |
| <span class="sourceLineNo">812</span> */<a name="line.812"></a> |
| <span class="sourceLineNo">813</span> public static class SslFilterMessage {<a name="line.813"></a> |
| <span class="sourceLineNo">814</span> private final String name;<a name="line.814"></a> |
| <span class="sourceLineNo">815</span><a name="line.815"></a> |
| <span class="sourceLineNo">816</span> private SslFilterMessage(String name) {<a name="line.816"></a> |
| <span class="sourceLineNo">817</span> this.name = name;<a name="line.817"></a> |
| <span class="sourceLineNo">818</span> }<a name="line.818"></a> |
| <span class="sourceLineNo">819</span><a name="line.819"></a> |
| <span class="sourceLineNo">820</span> @Override<a name="line.820"></a> |
| <span class="sourceLineNo">821</span> public String toString() {<a name="line.821"></a> |
| <span class="sourceLineNo">822</span> return name;<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><a name="line.825"></a> |
| <span class="sourceLineNo">826</span> private static class EncryptedWriteRequest extends WriteRequestWrapper {<a name="line.826"></a> |
| <span class="sourceLineNo">827</span> private final IoBuffer encryptedMessage;<a name="line.827"></a> |
| <span class="sourceLineNo">828</span><a name="line.828"></a> |
| <span class="sourceLineNo">829</span> private EncryptedWriteRequest(WriteRequest writeRequest, IoBuffer encryptedMessage) {<a name="line.829"></a> |
| <span class="sourceLineNo">830</span> super(writeRequest);<a name="line.830"></a> |
| <span class="sourceLineNo">831</span> this.encryptedMessage = encryptedMessage;<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 Object getMessage() {<a name="line.835"></a> |
| <span class="sourceLineNo">836</span> return encryptedMessage;<a name="line.836"></a> |
| <span class="sourceLineNo">837</span> }<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> |
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| </pre> |
| </div> |
| </body> |
| </html> |
