auth-filters: do not crash on nil username

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
7 years ago · c4d23d02ec
parent 93a2c33051
commit c4d23d02ec
1 changed files with 1 additions and 1 deletions
--- a/filters/gentoo-ldap-authentication.lua
+++ b/filters/gentoo-ldap-authentication.lua
@ -106,7 +106,7 @@ local lualdap = require("lualdap")

 function gentoo_ldap_user_groups(username, password)
 	-- Ensure the user is alphanumeric
-	if username:match("%W") then
+	if username == nil or username:match("%W") then
 		return nil
 	end