From d350cc63619123744ee92e8cce709457b78e64f6 Mon Sep 17 00:00:00 2001
From: Holger Weiss <holger@zedat.fu-berlin.de>
Date: Wed, 16 Apr 2014 14:15:14 +0200
Subject: [PATCH] Accept "extauth_cache: false"

Don't log a "configuration problem" message if "extauth_cache: false" is
explicitly specified, as that's a valid configuration setting as per the
documentation.
---
 src/ejabberd_auth_external.erl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ejabberd_auth_external.erl b/src/ejabberd_auth_external.erl
index ecd8552b1..9ae6c9081 100644
--- a/src/ejabberd_auth_external.erl
+++ b/src/ejabberd_auth_external.erl
@@ -172,7 +172,9 @@ remove_user(User, Server, Password) ->
 get_cache_option(Host) ->
     case ejabberd_config:get_option(
            {extauth_cache, Host},
-           fun(I) when is_integer(I), I > 0 -> I end) of
+           fun(false) -> undefined;
+              (I) when is_integer(I), I > 0 -> I
+           end) of
         undefined -> false;
         CacheTime -> {true, CacheTime}
     end.