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Posted to dev@tomcat.apache.org by ma...@apache.org on 2018/02/05 23:30:03 UTC

svn commit: r1823262 - in /tomcat/trunk: java/org/apache/tomcat/util/net/Nio2Endpoint.java webapps/docs/changelog.xml

Author: markt
Date: Mon Feb  5 23:30:03 2018
New Revision: 1823262

URL: http://svn.apache.org/viewvc?rev=1823262&view=rev
Log:
Fix https://bz.apache.org/bugzilla/show_bug.cgi?id=61751
Fix truncated request input streams when using NIO2 with TLS.

Modified:
    tomcat/trunk/java/org/apache/tomcat/util/net/Nio2Endpoint.java
    tomcat/trunk/webapps/docs/changelog.xml

Modified: tomcat/trunk/java/org/apache/tomcat/util/net/Nio2Endpoint.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/util/net/Nio2Endpoint.java?rev=1823262&r1=1823261&r2=1823262&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/util/net/Nio2Endpoint.java (original)
+++ tomcat/trunk/java/org/apache/tomcat/util/net/Nio2Endpoint.java Mon Feb  5 23:30:03 2018
@@ -1146,8 +1146,26 @@ public class Nio2Endpoint extends Abstra
             Future<Integer> integer = null;
             if (block) {
                 try {
-                    integer = getSocket().read(to);
-                    nRead = integer.get(getNio2ReadTimeout(), TimeUnit.MILLISECONDS).intValue();
+                    // When reading from an encrypted channel, a read of bytes
+                    // from the network might result in zero application bytes
+                    // after unwrapping.
+                    // Since this is a blocking read, loop until application
+                    // bytes are available.
+                    // Since we are looping, ensure the timeout is updated for
+                    // each loop.
+                    long start = System.currentTimeMillis();
+                    long timeout = getNio2ReadTimeout();
+                    while (true) {
+                        integer = getSocket().read(to);
+                        nRead = integer.get(timeout, TimeUnit.MILLISECONDS).intValue();
+                        if (nRead != 0) {
+                            break;
+                        }
+                        timeout = timeout - (System.currentTimeMillis() - start);
+                        if (timeout < 0) {
+                            throw new TimeoutException();
+                        }
+                    }
                 } catch (ExecutionException e) {
                     if (e.getCause() instanceof IOException) {
                         throw (IOException) e.getCause();

Modified: tomcat/trunk/webapps/docs/changelog.xml
URL: http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1823262&r1=1823261&r2=1823262&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Mon Feb  5 23:30:03 2018
@@ -96,6 +96,10 @@
   <subsection name="Coyote">
     <changelog>
       <fix>
+        <bug>61751</bug>: Fix truncated request input streams when using NIO2
+        with TLS. (markt)
+      </fix>
+      <fix>
         <bug>62023</bug>: Log error reporting multiple SSLHostConfig elements
         when using the APR Connector instead of crashing Tomcat. (csutherl)
       </fix>



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