{ config, lib, pkgs, ... }: with lib; let cfg = config.services.u9fs; in { options = { services.u9fs = { enable = mkOption { type = types.bool; default = false; description = lib.mdDoc "Whether to run the u9fs 9P server for Unix."; }; listenStreams = mkOption { type = types.listOf types.str; default = [ "564" ]; example = [ "192.168.16.1:564" ]; description = lib.mdDoc '' Sockets to listen for clients on. See {command}`man 5 systemd.socket` for socket syntax. ''; }; user = mkOption { type = types.str; default = "nobody"; description = lib.mdDoc "User to run u9fs under."; }; extraArgs = mkOption { type = types.str; default = ""; example = "-a none"; description = lib.mdDoc '' Extra arguments to pass on invocation, see {command}`man 4 u9fs` ''; }; }; }; config = mkIf cfg.enable { systemd = { sockets.u9fs = { description = "U9fs Listening Socket"; wantedBy = [ "sockets.target" ]; after = [ "network.target" ]; inherit (cfg) listenStreams; socketConfig.Accept = "yes"; }; services."u9fs@" = { description = "9P Protocol Server"; reloadIfChanged = true; requires = [ "u9fs.socket" ]; serviceConfig = { ExecStart = "-${pkgs.u9fs}/bin/u9fs ${cfg.extraArgs}"; StandardInput = "socket"; StandardError = "journal"; User = cfg.user; AmbientCapabilities = "cap_setuid cap_setgid"; }; }; }; }; }