nixpkgs/nixos/modules/services/networking/miniupnpd.nix

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{ 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}
${cfg.appendConfig}
'';
in
{
options = {
services.miniupnpd = {
enable = mkEnableOption (lib.mdDoc "MiniUPnP daemon");
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externalInterface = mkOption {
type = types.str;
description = lib.mdDoc ''
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Name of the external interface.
'';
};
internalIPs = mkOption {
type = types.listOf types.str;
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example = [ "192.168.1.1/24" "enp1s0" ];
description = lib.mdDoc ''
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The IP address ranges to listen on.
'';
};
natpmp = mkEnableOption (lib.mdDoc "NAT-PMP support");
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upnp = mkOption {
default = true;
type = types.bool;
description = lib.mdDoc ''
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Whether to enable UPNP support.
'';
};
appendConfig = mkOption {
type = types.lines;
default = "";
description = lib.mdDoc ''
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Configuration lines appended to the MiniUPnP config.
'';
};
};
};
config = mkIf cfg.enable {
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networking.firewall.extraCommands = ''
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${pkgs.bash}/bin/bash -x ${pkgs.miniupnpd}/etc/miniupnpd/iptables_init.sh -i ${cfg.externalInterface}
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'';
networking.firewall.extraStopCommands = ''
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${pkgs.bash}/bin/bash -x ${pkgs.miniupnpd}/etc/miniupnpd/iptables_removeall.sh -i ${cfg.externalInterface}
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'';
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systemd.services.miniupnpd = {
description = "MiniUPnP daemon";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
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ExecStart = "${pkgs.miniupnpd}/bin/miniupnpd -f ${configFile}";
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PIDFile = "/run/miniupnpd.pid";
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Type = "forking";
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};
};
};
}