Fixes #1130 - PROXY protocol support reports incorrect remote address.

jetty-server/src/main/java/org/eclipse/jetty/server/HttpChannel.java

@@ -519,10 +519,7 @@ public class HttpChannel<T> implements HttpParser.RequestHandler<T>, Runnable, H
     @Override
     public void proxied(String protocol, String sAddr, String dAddr, int sPort, int dPort)
     {
-        _request.setAttribute("PROXY", protocol);
-        _request.setServerName(sAddr);
-        _request.setServerPort(dPort);
-        _request.setRemoteAddr(InetSocketAddress.createUnresolved(sAddr,sPort));
+        throw new UnsupportedOperationException();
     }
 
     @Override

jetty-server/src/main/java/org/eclipse/jetty/server/HttpConnection.java

@@ -19,6 +19,7 @@
 package org.eclipse.jetty.server;
 
 import java.io.IOException;
+import java.net.InetSocketAddress;
 import java.nio.ByteBuffer;
 import java.nio.channels.WritePendingException;
 import java.util.concurrent.RejectedExecutionException;
@@ -500,11 +501,37 @@ public class HttpConnection extends AbstractConnection implements Runnable, Http
 
     protected class HttpChannelOverHttp extends HttpChannel<ByteBuffer>
     {
+        private InetSocketAddress _localAddr;
+        private InetSocketAddress _remoteAddr;
+
         public HttpChannelOverHttp(Connector connector, HttpConfiguration config, EndPoint endPoint, HttpTransport transport, HttpInput<ByteBuffer> input)
         {
             super(connector,config,endPoint,transport,input);
         }
 
+        @Override
+        public void proxied(String protocol, String remoteAddress, String localAddress, int remotePort, int localPort)
+        {
+            _localAddr = InetSocketAddress.createUnresolved(localAddress, localPort);
+            _remoteAddr = InetSocketAddress.createUnresolved(remoteAddress, remotePort);
+        }
+
+        @Override
+        public InetSocketAddress getLocalAddress()
+        {
+            if (_localAddr != null)
+                return _localAddr;
+            return super.getLocalAddress();
+        }
+
+        @Override
+        public InetSocketAddress getRemoteAddress()
+        {
+            if (_remoteAddr != null)
+                return _remoteAddr;
+            return super.getRemoteAddress();
+        }
+
         @Override
         public void earlyEOF()
         {

jetty-server/src/test/java/org/eclipse/jetty/server/ProxyProtocolTest.java

@@ -0,0 +1,114 @@
+//
+//  ========================================================================
+//  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
+//  ------------------------------------------------------------------------
+//  All rights reserved. This program and the accompanying materials
+//  are made available under the terms of the Eclipse Public License v1.0
+//  and Apache License v2.0 which accompanies this distribution.
+//
+//      The Eclipse Public License is available at
+//      http://www.eclipse.org/legal/epl-v10.html
+//
+//      The Apache License v2.0 is available at
+//      http://www.opensource.org/licenses/apache2.0.php
+//
+//  You may elect to redistribute this code under either of these licenses.
+//  ========================================================================
+//
+
+package org.eclipse.jetty.server;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.Socket;
+import java.nio.charset.StandardCharsets;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.eclipse.jetty.server.handler.AbstractHandler;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class ProxyProtocolTest
+{
+    private Server server;
+    private ServerConnector connector;
+
+    private void start(Handler handler) throws Exception
+    {
+        server = new Server();
+        connector = new ServerConnector(server);
+        server.addConnector(connector);
+        server.setHandler(handler);
+        server.start();
+    }
+
+    @After
+    public void destroy() throws Exception
+    {
+        if (server != null)
+            server.stop();
+    }
+
+    @Test
+    public void testProxyProtocol() throws Exception
+    {
+        final String remoteAddr = "192.168.0.0";
+        final int remotePort = 12345;
+        start(new AbstractHandler()
+        {
+            @Override
+            public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
+            {
+                if (remoteAddr.equals(request.getRemoteAddr()) &&
+                        remotePort == request.getRemotePort())
+                    baseRequest.setHandled(true);
+            }
+        });
+
+        try (Socket socket = new Socket("localhost", connector.getLocalPort()))
+        {
+            String request1 = "" +
+                    "PROXY TCP4 " + remoteAddr + " 127.0.0.0 " + remotePort + " 8080\r\n" +
+                    "GET /1 HTTP/1.1\r\n" +
+                    "Host: localhost\r\n" +
+                    "\r\n";
+            OutputStream output = socket.getOutputStream();
+            output.write(request1.getBytes(StandardCharsets.UTF_8));
+            output.flush();
+
+            InputStream input = socket.getInputStream();
+            BufferedReader reader = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8));
+            String response1 = reader.readLine();
+            Assert.assertTrue(response1.startsWith("HTTP/1.1 200 "));
+            while (true)
+            {
+                if (reader.readLine().isEmpty())
+                    break;
+            }
+
+            // Send a second request to verify that the proxied IP is retained.
+            String request2 = "" +
+                    "GET /2 HTTP/1.1\r\n" +
+                    "Host: localhost\r\n" +
+                    "Connection: close\r\n" +
+                    "\r\n";
+            output.write(request2.getBytes(StandardCharsets.UTF_8));
+            output.flush();
+
+            String response2 = reader.readLine();
+            Assert.assertTrue(response2.startsWith("HTTP/1.1 200 "));
+            while (true)
+            {
+                if (reader.readLine() == null)
+                    break;
+            }
+        }
+    }
+}