nixpkgs/nixos/modules/security/pam_usb.nix
rnhmjoj fedd7cd690
nixos: explicitely set security.wrappers ownership
This is slightly more verbose and inconvenient, but it forces you
to think about what the wrapper ownership and permissions will be.
2021-09-13 13:48:13 +02:00

53 lines
1.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
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="https://github.com/aluzzardi/pam_usb/wiki/Getting-Started#setting-up-devices-and-users" />.
'';
};
};
};
config = mkIf (cfg.enable || anyUsbAuth) {
# Make sure pmount and pumount are setuid wrapped.
security.wrappers = {
pmount =
{ setuid = true;
owner = "root";
group = "root";
source = "${pkgs.pmount.out}/bin/pmount";
};
pumount =
{ setuid = true;
owner = "root";
group = "root";
source = "${pkgs.pmount.out}/bin/pumount";
};
};
environment.systemPackages = [ pkgs.pmount ];
};
}