From 982ef9fca5e156120834ad0a67d77cdef40979b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tarjei=20Hus=C3=B8y?= <git@thusoy.com>
Date: Sat, 4 Jun 2016 00:04:01 -0700
Subject: [PATCH] Log nice error message for well-behaving clients

---
 postgres_mitm.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/postgres_mitm.py b/postgres_mitm.py
index a7ee06d..b16b6d8 100644
--- a/postgres_mitm.py
+++ b/postgres_mitm.py
@@ -202,6 +202,13 @@ class ClientConnection(threading.Thread):
                         self.socket.close()
                         self.server_socket.shutdown(socket.SHUT_RDWR)
                         self.server_socket.close()
+        except ssl.SSLError as exc:
+                if exc.reason == 'TLSV1_ALERT_UNKNOWN_CA':
+                    _logger.info('Client had an established trust root, could'
+                        ' not intercept details.')
+                else:
+                    _logger.info('Got TLS error when establishing connection: %s', exc.strerror)
+                    raise
         finally:
             self.terminate()