# HG changeset patch
# User Waqas Hussain <waqas20@gmail.com>
# Date 1263214348 -18000
# Node ID 8ee7ec6fc5fc1887cb4641482b42e2cc2b2e59e5
# Parent  1df57426263aa6bbee2006bb53de33b7ec5ccea7
mod_register: Return a <not-acceptable/> error on empty usernames (thanks Neustradamus).

diff -r 1df57426263a -r 8ee7ec6fc5fc plugins/mod_register.lua
--- a/plugins/mod_register.lua	Sun Jan 10 20:21:48 2010 +0000
+++ b/plugins/mod_register.lua	Mon Jan 11 17:52:28 2010 +0500
@@ -141,7 +141,7 @@
 					username = nodeprep(table.concat(username));
 					password = table.concat(password);
 					local host = module.host;
-					if not username then
+					if not username or username == "" then
 						session.send(st.error_reply(stanza, "modify", "not-acceptable", "The requested username is invalid."));
 					elseif usermanager_user_exists(username, host) then
 						session.send(st.error_reply(stanza, "cancel", "conflict", "The requested username already exists."));