nixos-config/nixos/components/yubikey.nix
2024-05-27 10:48:38 +02:00

61 lines
1.5 KiB
Nix

# References:
# * https://github.com/drduh/YubiKey-Guide
# * https://nixos.wiki/wiki/Yubikey
{ config, pkgs, lib, ... }:
with lib;
{
options.components.yubikey.enable = lib.mkOption {
type = lib.types.bool;
default = true;
};
# todo move this tho home manager
config = mkIf config.components.yubikey.enable {
services.pcscd.enable = true;
services.udev.packages = [ pkgs.yubikey-personalization ];
environment.systemPackages = [
# for `gpg --export $keyid | hokey lint` to check keys
#pkgs.haskellPackages.hopenpgp-tools
# for otp keys (but I use pass otp)
# pkgs.yubioath-desktop
(pkgs.writers.writeDashBin "gpg-reset-yubikey-id" ''
echo "reset gpg to make new key available"
set -x
set -e
${pkgs.psmisc}/bin/killall gpg-agent
rm -r ~/.gnupg/private-keys-v1.d/
${pkgs.gnupg}/bin/gpg --card-status
echo "now the new key should work"
'')
];
## managed by home-manager now
environment.shellInit = ''
export GPG_TTY="$(tty)"
gpg-connect-agent /bye
export SSH_AUTH_SOCK="/run/user/$UID/gnupg/S.gpg-agent.ssh"
'';
programs = {
ssh.startAgent = false;
gnupg.agent = {
enable = true;
enableSSHSupport = true;
};
};
## managed by home-manager now
security.pam.u2f.enable = true;
security.pam.u2f.authFile = toString config.sops.secrets.yubikey_u2fAuthFile.path;
sops.secrets.yubikey_u2fAuthFile = { };
};
}