From e380538b594d4fa55e98818df0061efbdf3cb35b Mon Sep 17 00:00:00 2001
From: Daniel Ehlers <danielehlers@mindeye.net>
Date: Sun, 14 Aug 2016 02:30:54 +0200
Subject: [PATCH] Fix AttributeError when bind_dn is not defined.

In case one does not define bind_dn in ldap configuration, filter
attribute is not declared. Since auth code only uses ldap_filter attribute
when according LDAP mode is selected, it is safe to only declare the
attribute in that case.

Signed-off-by: Daniel Ehlers <sargon@toppoint.de>
---
 synapse/handlers/auth.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py
index 82998a81ce..c9307bd440 100644
--- a/synapse/handlers/auth.py
+++ b/synapse/handlers/auth.py
@@ -70,11 +70,11 @@ class AuthHandler(BaseHandler):
             self.ldap_uri = hs.config.ldap_uri
             self.ldap_start_tls = hs.config.ldap_start_tls
             self.ldap_base = hs.config.ldap_base
-            self.ldap_filter = hs.config.ldap_filter
             self.ldap_attributes = hs.config.ldap_attributes
             if self.ldap_mode == LDAPMode.SEARCH:
                 self.ldap_bind_dn = hs.config.ldap_bind_dn
                 self.ldap_bind_password = hs.config.ldap_bind_password
+                self.ldap_filter = hs.config.ldap_filter
 
         self.hs = hs  # FIXME better possibility to access registrationHandler later?
         self.device_handler = hs.get_device_handler()
-- 
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