--- a/plugins/mod_dialback.lua	Fri Aug 09 16:03:48 2013 +0200
+++ b/plugins/mod_dialback.lua	Fri Aug 09 17:48:21 2013 +0200
@@ -1,7 +1,7 @@
 -- Prosody IM
 -- Copyright (C) 2008-2010 Matthew Wild
 -- Copyright (C) 2008-2010 Waqas Hussain
--- 
+--
 -- This project is MIT/X11 licensed. Please see the
 -- COPYING file in the source package for more information.
 --
@@ -35,7 +35,7 @@
 
 module:hook("stanza/jabber:server:dialback:verify", function(event)
 	local origin, stanza = event.origin, event.stanza;
-	
+
 	if origin.type == "s2sin_unauthed" or origin.type == "s2sin" then
 		-- We are being asked to verify the key, to ensure it was generated by us
 		origin.log("debug", "verifying that dialback key is ours...");
@@ -62,13 +62,13 @@
 
 module:hook("stanza/jabber:server:dialback:result", function(event)
 	local origin, stanza = event.origin, event.stanza;
-	
+
 	if origin.type == "s2sin_unauthed" or origin.type == "s2sin" then
 		-- he wants to be identified through dialback
 		-- We need to check the key with the Authoritative server
 		local attr = stanza.attr;
 		local to, from = nameprep(attr.to), nameprep(attr.from);
-		
+
 		if not hosts[to] then
 			-- Not a host that we serve
 			origin.log("info", "%s tried to connect to %s, which we don't serve", from, to);
@@ -77,11 +77,11 @@
 		elseif not from then
 			origin:close("improper-addressing");
 		end
-		
+
 		origin.hosts[from] = { dialback_key = stanza[1] };
-		
+
 		dialback_requests[from.."/"..origin.streamid] = origin;
-		
+
 		-- COMPAT: ejabberd, gmail and perhaps others do not always set 'to' and 'from'
 		-- on streams. We fill in the session's to/from here instead.
 		if not origin.from_host then
@@ -102,7 +102,7 @@
 
 module:hook("stanza/jabber:server:dialback:verify", function(event)
 	local origin, stanza = event.origin, event.stanza;
-	
+
 	if origin.type == "s2sout_unauthed" or origin.type == "s2sout" then
 		local attr = stanza.attr;
 		local dialback_verifying = dialback_requests[attr.from.."/"..(attr.id or "")];
@@ -131,10 +131,10 @@
 
 module:hook("stanza/jabber:server:dialback:result", function(event)
 	local origin, stanza = event.origin, event.stanza;
-	
+
 	if origin.type == "s2sout_unauthed" or origin.type == "s2sout" then
 		-- Remote server is telling us whether we passed dialback
-		
+
 		local attr = stanza.attr;
 		if not hosts[attr.to] then
 			origin:close("host-unknown");