Commit 63dd9fb5 authored by Alvar Penning's avatar Alvar Penning Committed by Rick van Schijndel
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nixos/ympd: Unit hardening

Next to some systemd unit hardening, the nobody user isn't used anymore,
as suggested in #55370.
parent a8f2090b
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+39 −1
Original line number Diff line number Diff line
@@ -48,8 +48,46 @@ in {

    systemd.services.ympd = {
      description = "Standalone MPD Web GUI written in C";

      wantedBy = [ "multi-user.target" ];
      serviceConfig.ExecStart = "${pkgs.ympd}/bin/ympd --host ${cfg.mpd.host} --port ${toString cfg.mpd.port} --webport ${toString cfg.webPort} --user nobody";
      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"
        ];
      };
    };

  };