auth-filters: do not crash on nil username

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2018-07-14 05:10:28 +02:00
parent 93a2c33051
commit c4d23d02ec

View File

@ -106,7 +106,7 @@ local lualdap = require("lualdap")
function gentoo_ldap_user_groups(username, password) function gentoo_ldap_user_groups(username, password)
-- Ensure the user is alphanumeric -- Ensure the user is alphanumeric
if username:match("%W") then if username == nil or username:match("%W") then
return nil return nil
end end