pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5let
6 cfg = config.services.ndppd;
7
8 configFile = pkgs.runCommand "ndppd.conf" {} ''
9 substitute ${pkgs.ndppd}/etc/ndppd.conf $out \
10 --replace eth0 ${cfg.interface} \
11 --replace 1111:: ${cfg.network}
12 '';
13in {
14 options = {
15 services.ndppd = {
16 enable = mkEnableOption "daemon that proxies NDP (Neighbor Discovery Protocol) messages between interfaces";
17 interface = mkOption {
18 type = types.string;
19 default = "eth0";
20 example = "ens3";
21 description = "Interface which is on link-level with router.";
22 };
23 network = mkOption {
24 type = types.string;
25 default = "1111::";
26 example = "2001:DB8::/32";
27 description = "Network that we proxy.";
28 };
29 configFile = mkOption {
30 type = types.nullOr types.path;
31 default = null;
32 description = "Path to configuration file.";
33 };
34 };
35 };
36
37 config = mkIf cfg.enable {
38 systemd.packages = [ pkgs.ndppd ];
39 environment.etc."ndppd.conf".source = if (cfg.configFile != null) then cfg.configFile else configFile;
40 systemd.services.ndppd = {
41 serviceConfig.RuntimeDirectory = [ "ndppd" ];
42 wantedBy = [ "multi-user.target" ];
43 };
44 };
45
46 meta.maintainers = with maintainers; [ gnidorah ];
47}