Author: markt
Date: Mon Sep 19 11:32:08 2016
New Revision: 1761423

URL: http://svn.apache.org/viewvc?rev=1761423&view=rev
Log:
Fail earlier if the client closes the connection during SNI processing.

Modified:
    tomcat/tc8.5.x/trunk/   (props changed)
    tomcat/tc8.5.x/trunk/java/org/apache/tomcat/util/net/SecureNioChannel.java
    tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml

Propchange: tomcat/tc8.5.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Mon Sep 19 11:32:08 2016
@@ -1 +1 @@
-/tomcat/trunk:1734785,1734799,1734845,1734928,1735041,1735044,1735480,1735577,1735597,1735599-1735600,1735615,1736145,1736162,1736209,1736280,1736297,1736299,1736489,1736646,1736703,1736836,1736849,1737104-1737105,1737112,1737117,1737119-1737120,1737155,1737157,1737192,1737280,1737339,1737632,1737664,1737715,1737748,1737785,1737834,1737860,1737903,1737959,1738005,1738007,1738014-1738015,1738018,1738022,1738039,1738043,1738059-1738060,1738147,1738149,1738174-1738175,1738261,1738589,1738623-1738625,1738643,1738816,1738850,1738855,1738946-1738948,1738953-1738954,1738979,1738982,1739079-1739081,1739087,1739113,1739153,1739172,1739176,1739191,1739474,1739726,1739762,1739775,1739814,1739817-1739818,1739975,1740131,1740324,1740465,1740495,1740508-1740509,1740520,1740535,1740707,1740803,1740810,1740969,1740980,1740991,1740997,1741015,1741033,1741036,1741058,1741060,1741080,1741147,1741159,1741164,1741173,1741181,1741190,1741197,1741202,1741208,1741213,1741221,1741225,1741232,1741409,1741501
 
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+/tomcat/trunk:1734785,1734799,1734845,1734928,1735041,1735044,1735480,1735577,1735597,1735599-1735600,1735615,1736145,1736162,1736209,1736280,1736297,1736299,1736489,1736646,1736703,1736836,1736849,1737104-1737105,1737112,1737117,1737119-1737120,1737155,1737157,1737192,1737280,1737339,1737632,1737664,1737715,1737748,1737785,1737834,1737860,1737903,1737959,1738005,1738007,1738014-1738015,1738018,1738022,1738039,1738043,1738059-1738060,1738147,1738149,1738174-1738175,1738261,1738589,1738623-1738625,1738643,1738816,1738850,1738855,1738946-1738948,1738953-1738954,1738979,1738982,1739079-1739081,1739087,1739113,1739153,1739172,1739176,1739191,1739474,1739726,1739762,1739775,1739814,1739817-1739818,1739975,1740131,1740324,1740465,1740495,1740508-1740509,1740520,1740535,1740707,1740803,1740810,1740969,1740980,1740991,1740997,1741015,1741033,1741036,1741058,1741060,1741080,1741147,1741159,1741164,1741173,1741181,1741190,1741197,1741202,1741208,1741213,1741221,1741225,1741232,1741409,1741501
 
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Modified: 
tomcat/tc8.5.x/trunk/java/org/apache/tomcat/util/net/SecureNioChannel.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/java/org/apache/tomcat/util/net/SecureNioChannel.java?rev=1761423&r1=1761422&r2=1761423&view=diff
==============================================================================
--- tomcat/tc8.5.x/trunk/java/org/apache/tomcat/util/net/SecureNioChannel.java 
(original)
+++ tomcat/tc8.5.x/trunk/java/org/apache/tomcat/util/net/SecureNioChannel.java 
Mon Sep 19 11:32:08 2016
@@ -148,14 +148,19 @@ public class SecureNioChannel extends Ni
     }
 
     /**
-     * Performs SSL handshake, non blocking, but performs NEED_TASK on the 
same thread.<br>
-     * Hence, you should never call this method using your Acceptor thread, as 
you would slow down
-     * your system significantly.<br>
-     * The return for this operation is 0 if the handshake is complete and a 
positive value if it is not complete.
-     * In the event of a positive value coming back, reregister the selection 
key for the return values interestOps.
+     * Performs SSL handshake, non blocking, but performs NEED_TASK on the same
+     * thread. Hence, you should never call this method using your Acceptor
+     * thread, as you would slow down your system significantly. If the return
+     * value from this method is positive, the selection key should be
+     * registered interestOps given by the return value.
+     *
      * @param read boolean - true if the underlying channel is readable
      * @param write boolean - true if the underlying channel is writable
-     * @return int - 0 if hand shake is complete, otherwise it returns a 
SelectionKey interestOps value
+     *
+     * @return 0 if hand shake is complete, -1 if an error (other than an
+     *         IOException) occurred, otherwise it returns a SelectionKey
+     *         interestOps value
+     *
      * @throws IOException If an I/O error occurs during the handshake or if 
the
      *                     handshake fails during wrapping or unwrapping
      */
@@ -254,14 +259,19 @@ public class SecureNioChannel extends Ni
      * Peeks at the initial network bytes to determine if the SNI extension is
      * present and, if it is, what host name has been requested. Based on the
      * provided host name, configure the SSLEngine for this connection.
+     *
+     * @return 0 if SNI processing is complete, -1 if an error (other than an
+     *         IOException) occurred, otherwise it returns a SelectionKey
+     *         interestOps value
+     *
+     * @throws IOException If an I/O error occurs during the SNI processing
      */
     private int processSNI() throws IOException {
         // Read some data into the network input buffer so we can peek at it.
         int bytesRead = sc.read(netInBuffer);
         if (bytesRead == -1) {
-            // Reached end of stream before SNI could be processed. Treat this
-            // as if no SNI was present.
-            return 0;
+            // Reached end of stream before SNI could be processed.
+            return -1;
         }
         TLSClientHelloExtractor extractor = new 
TLSClientHelloExtractor(netInBuffer);
 

Modified: tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml?rev=1761423&r1=1761422&r2=1761423&view=diff
==============================================================================
--- tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml Mon Sep 19 11:32:08 2016
@@ -80,6 +80,10 @@
         track this. This removes the possibility that blocking the 
non-container
         thread could trigger a deadlock. (markt)
       </add>
+      <fix>
+        Fail earlier if the client closes the connection during SNI processing.
+        (markt)
+      </fix>
     </changelog>
   </subsection>
   <subsection name="Jasper">



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