Author: markt
Date: Tue Aug  7 20:18:51 2018
New Revision: 1837613

URL: http://svn.apache.org/viewvc?rev=1837613&view=rev
Log:
Fix https://bz.apache.org/bugzilla/show_bug.cgi?id=62596
Remove the limit on the size of the initial HTTP upgrade request used to 
establish the web socket connection.

Modified:
    tomcat/trunk/java/org/apache/tomcat/websocket/WsWebSocketContainer.java
    tomcat/trunk/test/org/apache/tomcat/websocket/TestWebSocketFrameClient.java
    tomcat/trunk/webapps/docs/changelog.xml

Modified: 
tomcat/trunk/java/org/apache/tomcat/websocket/WsWebSocketContainer.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/websocket/WsWebSocketContainer.java?rev=1837613&r1=1837612&r2=1837613&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/websocket/WsWebSocketContainer.java 
(original)
+++ tomcat/trunk/java/org/apache/tomcat/websocket/WsWebSocketContainer.java Tue 
Aug  7 20:18:51 2018
@@ -733,7 +733,7 @@ public class WsWebSocketContainer implem
 
         // Headers
         for (Entry<String, List<String>> entry : reqHeaders.entrySet()) {
-            addHeader(result, entry.getKey(), entry.getValue());
+            result = addHeader(result, entry.getKey(), entry.getValue());
         }
 
         // Terminating CRLF
@@ -745,15 +745,34 @@ public class WsWebSocketContainer implem
     }
 
 
-    private static void addHeader(ByteBuffer result, String key, List<String> 
values) {
+    private static ByteBuffer addHeader(ByteBuffer result, String key, 
List<String> values) {
         if (values.isEmpty()) {
-            return;
+            return result;
         }
 
-        result.put(key.getBytes(StandardCharsets.ISO_8859_1));
-        result.put(": ".getBytes(StandardCharsets.ISO_8859_1));
-        
result.put(StringUtils.join(values).getBytes(StandardCharsets.ISO_8859_1));
-        result.put(CRLF);
+        result = putWithExpand(result, 
key.getBytes(StandardCharsets.ISO_8859_1));
+        result = putWithExpand(result, ": 
".getBytes(StandardCharsets.ISO_8859_1));
+        result = putWithExpand(result, 
StringUtils.join(values).getBytes(StandardCharsets.ISO_8859_1));
+        result = putWithExpand(result, CRLF);
+
+        return result;
+    }
+
+
+    private static ByteBuffer putWithExpand(ByteBuffer input, byte[] bytes) {
+        if (bytes.length > input.remaining()) {
+            int newSize;
+            if (bytes.length > input.capacity()) {
+                newSize = 2 * bytes.length;
+            } else {
+                newSize = input.capacity() * 2;
+            }
+            ByteBuffer expanded = ByteBuffer.allocate(newSize);
+            input.flip();
+            expanded.put(input);
+            input = expanded;
+        }
+        return input.put(bytes);
     }
 
 

Modified: 
tomcat/trunk/test/org/apache/tomcat/websocket/TestWebSocketFrameClient.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/tomcat/websocket/TestWebSocketFrameClient.java?rev=1837613&r1=1837612&r2=1837613&view=diff
==============================================================================
--- tomcat/trunk/test/org/apache/tomcat/websocket/TestWebSocketFrameClient.java 
(original)
+++ tomcat/trunk/test/org/apache/tomcat/websocket/TestWebSocketFrameClient.java 
Tue Aug  7 20:18:51 2018
@@ -17,11 +17,15 @@
 package org.apache.tomcat.websocket;
 
 import java.net.URI;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
 import java.util.Queue;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
 import javax.websocket.ClientEndpointConfig;
+import javax.websocket.ClientEndpointConfig.Configurator;
 import javax.websocket.ContainerProvider;
 import javax.websocket.Session;
 import javax.websocket.WebSocketContainer;
@@ -57,10 +61,19 @@ public class TestWebSocketFrameClient ex
 
         tomcat.start();
 
-        WebSocketContainer wsContainer =
-                ContainerProvider.getWebSocketContainer();
+        WebSocketContainer wsContainer = 
ContainerProvider.getWebSocketContainer();
+
+        // BZ 62596
         ClientEndpointConfig clientEndpointConfig =
-                ClientEndpointConfig.Builder.create().build();
+                ClientEndpointConfig.Builder.create().configurator(new 
Configurator() {
+                    @Override
+                    public void beforeRequest(Map<String, List<String>> 
headers) {
+                        headers.put("Dummy", Collections.singletonList(
+                                String.join("", Collections.nCopies(4000, 
"A"))));
+                        super.beforeRequest(headers);
+                    }
+                }).build();
+
         Session wsSession = wsContainer.connectToServer(
                 TesterProgrammaticEndpoint.class,
                 clientEndpointConfig,

Modified: tomcat/trunk/webapps/docs/changelog.xml
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1837613&r1=1837612&r2=1837613&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Tue Aug  7 20:18:51 2018
@@ -159,6 +159,14 @@
       </fix>
     </changelog>
   </subsection>
+  <subseciton name="WebSocket">
+    <changelog>
+      <fix>
+        <bug>62596</bug>: Remove the limit on the size of the initial HTTP
+        upgrade request used to establish the web socket connection. (markt)
+      </fix>
+    </changelog>
+  </subseciton>
   <subsection name="Web applications">
     <changelog>
       <add>



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