stockholm/lass/2configs/yubikey.nix
2023-01-25 23:27:16 +01:00

76 lines
2.5 KiB
Nix

{ config, lib, pkgs, ... }:
{
environment.systemPackages = with pkgs; [
yubikey-personalization
yubikey-manager
pinentry-curses pinentry-qt
];
services.udev.packages = with pkgs; [ yubikey-personalization ];
systemd.user.sockets.gpg-agent-ssh.wantedBy = [ "sockets.target" ];
services.pcscd.enable = true;
systemd.user.services.gpg-agent.serviceConfig.ExecStartPre = pkgs.writers.writeDash "init_gpg" ''
set -x
mkdir -p $HOME/.gnupg
${pkgs.coreutils}/bin/ln -sf ${pkgs.writeText "scdaemon.conf" ''
disable-ccid
pcsc-driver ${pkgs.pcsclite.out}/lib/libpcsclite.so.1
card-timeout 1
# Always try to use yubikey as the first reader
# even when other smart card readers are connected
# Name of the reader can be found using the pcsc_scan command
# If you have problems with gpg not recognizing the Yubikey
# then make sure that the string here matches exacly pcsc_scan
# command output. Also check journalctl -f for errors.
reader-port Yubico YubiKey
''} $HOME/.gnupg/scdaemon.conf
'';
systemd.user.services.gpg-agent.serviceConfig.ExecStartPost = pkgs.writers.writeDash "init_gpg" ''
${pkgs.gnupg}/bin/gpg --import ${../../kartei/lass/pgp/yubikey.pgp} >/dev/null
echo -e '5\ny\n' | gpg --command-fd 0 --expert --edit-key DBCD757846069B392EA9401D6657BE8A8D1EE807 trust >/dev/null || :
'';
security.polkit.extraConfig = ''
polkit.addRule(function(action, subject) {
if (
(
action.id == "org.debian.pcsc-lite.access_pcsc" ||
action.id == "org.debian.pcsc-lite.access_card"
) && subject.user == "lass"
) {
return polkit.Result.YES;
}
});
polkit.addRule(function(action, subject) {
polkit.log("subject: " + subject + " action: " + action);
});
'';
environment.shellInit = ''
if [ "$UID" -eq 1337 ] && [ -z "$SSH_CONNECTION" ]; then
export GPG_TTY="$(tty)"
mkdir -p $HOME/.gnupg
gpg-connect-agent --quiet updatestartuptty /bye > /dev/null
export SSH_AUTH_SOCK="/run/user/$UID/gnupg/S.gpg-agent.ssh"
if [ -z "$SSH_AUTH_SOCK" ]; then
export SSH_AUTH_SOCK=$(${pkgs.gnupg}/bin/gpgconf --list-dirs agent-ssh-socket)
fi
fi
'';
# allow nix to acces remote builders via yubikey
systemd.services.nix-daemon.environment.SSH_AUTH_SOCK = "/run/user/1337/gnupg/S.gpg-agent.ssh";
programs = {
ssh.startAgent = false;
gnupg.agent = {
enable = true;
pinentryFlavor = "qt";
# enableSSHSupport = true;
};
};
}