nix-config/nixos/modules/fido2.nix

58 lines
1.2 KiB
Nix

{
config,
pkgs,
lib,
...
}:
with lib; let
luks = config.dadada.luks;
fido2 = config.dadada.fido2;
in {
options = {
dadada.luks = {
uuid = mkOption {
type = with types; nullOr str;
description = "Device UUID";
default = null;
};
};
dadada.fido2 = {
enablePam = mkEnableOption "Enable PAM U2F";
credential = mkOption {
type = with types; nullOr str;
description = "FIDO2 credential string";
default = null;
};
};
};
config = {
boot.initrd.luks.devices = mkIf (luks.uuid != null) {
root = {
device = "/dev/disk/by-uuid/${luks.uuid}";
preLVM = true;
allowDiscards = true;
fido2 = mkIf (fido2.credential != null) {
credential = fido2.credential;
passwordLess = true;
};
};
};
boot.initrd.luks.fido2Support = mkIf (fido2.credential != null) true;
environment.systemPackages = mkIf (fido2.credential != null) (with pkgs; [
linuxPackages.acpi_call
fido2luks
python27Packages.dbus-python
python38Packages.solo-python
]);
security.pam.u2f = mkIf fido2.enablePam {
enable = true;
control = "sufficient";
cue = true;
};
};
}