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|
{
config,
lib,
modulesPath,
pkgs,
...
}:
{
imports = [ (modulesPath + "/profiles/all-hardware.nix") ];
options.usbauth = lib.mkOption {
description = "USB Auth";
type = lib.types.submodule {
options = {
enable = lib.mkOption { type = lib.types.bool; };
device = lib.mkOption { type = lib.types.str; };
keyname = lib.mkOption { type = lib.types.str; };
uuid = lib.mkOption { type = lib.types.str; };
};
};
};
config = lib.mkIf config.usbauth.enable {
boot.initrd.postDeviceCommands = pkgs.lib.mkBefore ''
mkdir -m 0755 -p /key
while ! findfs UUID=${config.usbauth.uuid} 2> /dev/null; do sleep 0.1; done > /dev/null
cryptsetup open $(findfs UUID=${config.usbauth.uuid}) _key
mount -o ro "/dev/mapper/_key" /key
'';
boot.initrd.luks.devices."${config.usbauth.device}" = {
keyFile = "/key/.keys/${config.usbauth.keyname}";
preLVM = false;
};
};
}
|
