nixpkgs/nixos/modules/services/audio/ympd.nix
Alvar Penning 63dd9fb5c8 nixos/ympd: Unit hardening
Next to some systemd unit hardening, the nobody user isn't used anymore,
as suggested in #55370.
2023-02-09 19:10:19 +01:00

96 lines
2.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.ympd;
in {
###### interface
options = {
services.ympd = {
enable = mkEnableOption (lib.mdDoc "ympd, the MPD Web GUI");
webPort = mkOption {
type = types.either types.str types.port; # string for backwards compat
default = "8080";
description = lib.mdDoc "The port where ympd's web interface will be available.";
example = "ssl://8080:/path/to/ssl-private-key.pem";
};
mpd = {
host = mkOption {
type = types.str;
default = "localhost";
description = lib.mdDoc "The host where MPD is listening.";
};
port = mkOption {
type = types.port;
default = config.services.mpd.network.port;
defaultText = literalExpression "config.services.mpd.network.port";
description = lib.mdDoc "The port where MPD is listening.";
example = 6600;
};
};
};
};
###### implementation
config = mkIf cfg.enable {
systemd.services.ympd = {
description = "Standalone MPD Web GUI written in C";
wantedBy = [ "multi-user.target" ];
after = [ "network-online.target" ];
serviceConfig = {
ExecStart = ''
${pkgs.ympd}/bin/ympd \
--host ${cfg.mpd.host} \
--port ${toString cfg.mpd.port} \
--webport ${toString cfg.webPort}
'';
DynamicUser = true;
NoNewPrivileges = true;
ProtectProc = "invisible";
ProtectSystem = "strict";
ProtectHome = "tmpfs";
PrivateTmp = true;
PrivateDevices = true;
PrivateIPC = true;
ProtectHostname = true;
ProtectClock = true;
ProtectKernelTunables = true;
ProtectKernelModules = true;
ProtectKernelLogs = true;
ProtectControlGroups = true;
RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ];
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallFilter = [
"@system-service"
"~@process"
"~@setuid"
];
};
};
};
}