Preserve transport errors for OpenSSL sockets.

third_party/tlslite/tlslite/tlsrecordlayer.py

Index: third_party/tlslite/tlslite/tlsrecordlayer.py
diff --git a/third_party/tlslite/tlslite/tlsrecordlayer.py b/third_party/tlslite/tlslite/tlsrecordlayer.py
index 8b92221ae2437a18c4c7aa6cb4cf7c13b20bb524..a164236cb5590674f2c208088626da55949d0248 100644
--- a/third_party/tlslite/tlslite/tlsrecordlayer.py
+++ b/third_party/tlslite/tlslite/tlsrecordlayer.py
@@ -19,6 +19,7 @@ from .constants import *
 from .utils.cryptomath import getRandomBytes
 
 import socket
+import struct
 import errno
 import traceback
 
@@ -521,6 +522,12 @@ class TLSRecordLayer(object):
         self._shutdown(False)
         raise TLSLocalAlert(alert, errorStr)
 
+    def _abortWithReset(self):
+        #Set an SO_LINGER timeout of 0 to send a TCP RST.
+        self.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
+                        struct.pack('ii', 1, 0))
+        self._shutdown(False)
+
     def _sendMsgs(self, msgs):
         randomizeFirstBlock = True
         for msg in msgs: