Disable SSL session cache to fix issue with SecureSocket connections.

runtime/bin/secure_socket.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "bin/secure_socket.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <stdio.h>
@@ skipping 432 matching lines @@
     status = SSL_ConfigSecureServer(filter_, certificate, key, kt_rsa);
     CERT_DestroyCertificate(certificate);
     SECKEY_DestroyPrivateKey(key);
     if (status != SECSuccess) {
       ThrowPRException("Unsuccessful SSL_ConfigSecureServer call");
     }
   } else {  // Client.
     if (SSL_SetURL(filter_, host_name) == -1) {
       ThrowPRException("Unsuccessful SetURL call");
     }
+
+    // This disables the SSL session cache for client connections.
+    // This resolves issue 7208, but degrades performance.
+    // TODO(7230): Reenable session cache, without breaking client connections.
+    status = SSL_OptionSet(filter_, SSL_NO_CACHE, PR_TRUE);
+    if (status != SECSuccess) {
+      ThrowPRException("Failed SSL_OptionSet(NO_CACHE) call");
+    }
   }
 
   // Install bad certificate callback, and pass 'this' to it if it is called.
   status = SSL_BadCertHook(filter_,
                            BadCertificateCallback,
                            static_cast<void*>(this));
 
   PRBool as_server = is_server ? PR_TRUE : PR_FALSE;
   status = SSL_ResetHandshake(filter_, as_server);
   if (status != SECSuccess) {
@@ skipping 149 matching lines @@
         if (PR_WOULD_BLOCK_ERROR != pr_error) {
           ThrowPRException("Error reading plaintext from SSLFilter");
         }
         bytes_processed = 0;
       }
       break;
     }
   }
   return bytes_processed;
 }