Index: common/rfb/CSecurityTLS.cxx

===================================================================

--- common/rfb/CSecurityTLS.cxx	(revision 4399)

+++ common/rfb/CSecurityTLS.cxx	(revision 4400)

@@ -171,8 +171,15 @@

     if (!is->checkNoWait(1))

       return false;

-    if (is->readU8() == 0)

-      return true;

+    if (is->readU8() == 0) {

+      rdr::U32 result = is->readU32();

+      CharArray reason;

+      if (result == secResultFailed || result == secResultTooMany)

+        reason.buf = is->readString();

+      else

+        reason.buf = strDup("Authentication failure (protocol error)");

+      throw AuthFailureException(reason.buf);

+    }

     if (gnutls_init(&session, GNUTLS_CLIENT) != GNUTLS_E_SUCCESS)

       throw AuthFailureException("gnutls_init failed");