From 4c38cb37f5bdedae9941b6f12898801c91497ac1 Mon Sep 17 00:00:00 2001
From: Feng Lee <ery.lee@gmail.com>
Date: Mon, 1 Jun 2015 12:36:30 +0800
Subject: [PATCH] use re:replace/4 to fill username

---
 plugins/emqttd_auth_ldap/src/emqttd_auth_ldap.erl | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/plugins/emqttd_auth_ldap/src/emqttd_auth_ldap.erl b/plugins/emqttd_auth_ldap/src/emqttd_auth_ldap.erl
index ba1bdca4d..965aaeefe 100644
--- a/plugins/emqttd_auth_ldap/src/emqttd_auth_ldap.erl
+++ b/plugins/emqttd_auth_ldap/src/emqttd_auth_ldap.erl
@@ -82,10 +82,7 @@ ldap_bind(LDAP, UserDn, Password) ->
     end.
 
 fill(Username, UserDn) ->
-    lists:append(lists:map(
-            fun("$u") -> Username;
-                (S) -> S
-            end, string:tokens(UserDn, ",="))).
+    re:replace(UserDn, "\\$u", Username, [global, {return, list}]).
 
 description() -> 
     "LDAP Authentication Module".