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auth-filters: do not crash on nil username
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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@ -106,7 +106,7 @@ local lualdap = require("lualdap")
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function gentoo_ldap_user_groups(username, password)
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function gentoo_ldap_user_groups(username, password)
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-- Ensure the user is alphanumeric
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-- Ensure the user is alphanumeric
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if username:match("%W") then
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if username == nil or username:match("%W") then
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return nil
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return nil
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end
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end
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