{ config, lib, pkgs, ... }: with lib; let cfg = config.services.miniupnpd; configFile = pkgs.writeText "miniupnpd.conf" '' ext_ifname=${cfg.externalInterface} enable_natpmp=${if cfg.natpmp then "yes" else "no"} enable_upnp=${if cfg.upnp then "yes" else "no"} ${concatMapStrings (range: '' listening_ip=${range} '') cfg.internalIPs} ${cfg.appendConfig} ''; in { options = { services.miniupnpd = { enable = mkEnableOption "MiniUPnP daemon"; externalInterface = mkOption { type = types.str; description = '' Name of the external interface. ''; }; internalIPs = mkOption { type = types.listOf types.str; example = [ "192.168.1.1/24" "enp1s0" ]; description = '' The IP address ranges to listen on. ''; }; natpmp = mkEnableOption "NAT-PMP support"; upnp = mkOption { default = true; type = types.bool; description = '' Whether to enable UPNP support. ''; }; appendConfig = mkOption { type = types.lines; default = ""; description = '' Configuration lines appended to the MiniUPnP config. ''; }; }; }; config = mkIf cfg.enable { networking.firewall.extraCommands = '' ${pkgs.bash}/bin/bash -x ${pkgs.miniupnpd}/etc/miniupnpd/iptables_init.sh -i ${cfg.externalInterface} ''; networking.firewall.extraStopCommands = '' ${pkgs.bash}/bin/bash -x ${pkgs.miniupnpd}/etc/miniupnpd/iptables_removeall.sh -i ${cfg.externalInterface} ''; systemd.services.miniupnpd = { description = "MiniUPnP daemon"; after = [ "network.target" ]; wantedBy = [ "multi-user.target" ]; serviceConfig = { ExecStart = "${pkgs.miniupnpd}/bin/miniupnpd -f ${configFile}"; PIDFile = "/var/run/miniupnpd.pid"; Type = "forking"; }; }; }; }