mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-25 15:11:35 +00:00
29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
43 lines
831 B
Nix
43 lines
831 B
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
inherit (pkgs) pam_usb;
|
|
|
|
cfg = config.security.pam.usb;
|
|
|
|
anyUsbAuth = any (attrByPath ["usbAuth"] false) (attrValues config.security.pam.services);
|
|
|
|
in
|
|
|
|
{
|
|
options = {
|
|
|
|
security.pam.usb = {
|
|
enable = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = ''
|
|
Enable USB login for all login systems that support it. For
|
|
more information, visit <link
|
|
xlink:href="http://pamusb.org/doc/quickstart#setting_up" />.
|
|
'';
|
|
};
|
|
|
|
};
|
|
|
|
};
|
|
|
|
config = mkIf (cfg.enable || anyUsbAuth) {
|
|
|
|
# pmount need to have a set-uid bit to make pam_usb works in user
|
|
# environment. (like su, sudo)
|
|
|
|
security.setuidPrograms = [ "pmount" "pumount" ];
|
|
environment.systemPackages = [ pkgs.pmount ];
|
|
|
|
};
|
|
}
|