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From rpl...@apache.org
Subject svn commit: r763394 - in /httpd/httpd/trunk: CHANGES modules/proxy/mod_proxy_ajp.c
Date Wed, 08 Apr 2009 21:06:47 GMT
Author: rpluem
Date: Wed Apr  8 21:06:46 2009
New Revision: 763394

URL: http://svn.apache.org/viewvc?rev=763394&view=rev
Log:
* Avoid delivering content from a previous request which failed to send a request
  body by closing the connection to the backend in this case instead of reusing it.

PR: 46949
Reviewed by: jim, wrowe

Modified:
    httpd/httpd/trunk/CHANGES
    httpd/httpd/trunk/modules/proxy/mod_proxy_ajp.c

Modified: httpd/httpd/trunk/CHANGES
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/CHANGES?rev=763394&r1=763393&r2=763394&view=diff
==============================================================================
--- httpd/httpd/trunk/CHANGES [utf-8] (original)
+++ httpd/httpd/trunk/CHANGES [utf-8] Wed Apr  8 21:06:46 2009
@@ -2,6 +2,9 @@
 
 Changes with Apache 2.3.3
 
+  *) mod_proxy_ajp: Avoid delivering content from a previous request which
+     failed to send a request body. PR 46949 [Ruediger Pluem]
+
   *) mod_proxy_ajp: Forward remote port information by default.
      [Rainer Jung]
 

Modified: httpd/httpd/trunk/modules/proxy/mod_proxy_ajp.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_ajp.c?rev=763394&r1=763393&r2=763394&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/proxy/mod_proxy_ajp.c (original)
+++ httpd/httpd/trunk/modules/proxy/mod_proxy_ajp.c Wed Apr  8 21:06:46 2009
@@ -307,21 +307,17 @@
                          "proxy: read zero bytes, expecting"
                          " %" APR_OFF_T_FMT " bytes",
                          content_length);
-            status = ajp_send_data_msg(conn->sock, msg, 0);
-            if (status != APR_SUCCESS) {
-                /* We had a failure: Close connection to backend */
-                conn->close++;
-                ap_log_error(APLOG_MARK, APLOG_ERR, status, r->server,
-                            "proxy: send failed to %pI (%s)",
-                            conn->worker->cp->addr,
-                            conn->worker->hostname);
-                return HTTP_INTERNAL_SERVER_ERROR;
-            }
-            else {
-                /* Client send zero bytes with C-L > 0
-                 */
-                return HTTP_BAD_REQUEST;
-            }
+            /*
+             * We can only get here if the client closed the connection
+             * to us without sending the body.
+             * Now the connection is in the wrong state on the backend.
+             * Sending an empty data msg doesn't help either as it does
+             * not move this connection to the correct state on the backend
+             * for later resusage by the next request again.
+             * Close it to clean things up.
+             */
+            conn->close++;
+            return HTTP_BAD_REQUEST;
         }
     }
 



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