69 lines
2.3 KiB
Nix
69 lines
2.3 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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inherit (lib) mkEnableOption mkIf mkOption types;
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generic = variant:
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let
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cfg = config.services.${variant};
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pkg = pkgs.${variant};
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birdc = if variant == "bird6" then "birdc6" else "birdc";
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configFile = pkgs.stdenv.mkDerivation {
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name = "${variant}.conf";
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text = cfg.config;
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preferLocalBuild = true;
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buildCommand = ''
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echo -n "$text" > $out
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${pkg}/bin/${variant} -d -p -c $out
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'';
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};
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in {
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###### interface
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options = {
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services.${variant} = {
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enable = mkEnableOption "BIRD Internet Routing Daemon";
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config = mkOption {
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type = types.lines;
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description = ''
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BIRD Internet Routing Daemon configuration file.
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<link xlink:href='http://bird.network.cz/'/>
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'';
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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environment.systemPackages = [ pkg ];
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systemd.services.${variant} = {
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description = "BIRD Internet Routing Daemon";
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "forking";
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Restart = "on-failure";
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ExecStart = "${pkg}/bin/${variant} -c ${configFile} -u ${variant} -g ${variant}";
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ExecReload = "${pkg}/bin/${birdc} configure";
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ExecStop = "${pkg}/bin/${birdc} down";
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CapabilityBoundingSet = [ "CAP_CHOWN" "CAP_FOWNER" "CAP_DAC_OVERRIDE" "CAP_SETUID" "CAP_SETGID"
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# see bird/sysdep/linux/syspriv.h
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"CAP_NET_BIND_SERVICE" "CAP_NET_BROADCAST" "CAP_NET_ADMIN" "CAP_NET_RAW" ];
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ProtectSystem = "full";
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ProtectHome = "yes";
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SystemCallFilter="~@cpu-emulation @debug @keyring @module @mount @obsolete @raw-io";
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MemoryDenyWriteExecute = "yes";
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};
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};
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users = {
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extraUsers.${variant} = {
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description = "BIRD Internet Routing Daemon user";
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group = "${variant}";
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};
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extraGroups.${variant} = {};
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};
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};
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};
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inherit (config.services) bird bird6;
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in {
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imports = [(generic "bird") (generic "bird6")];
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}
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