{ config, lib, pkgs, ... }: with lib; let cfg = config.services.tor; torify = pkgs.writeTextFile { name = "tsocks"; text = '' #!${pkgs.runtimeShell} TSOCKS_CONF_FILE=${pkgs.writeText "tsocks.conf" cfg.tsocks.config} LD_PRELOAD="${pkgs.tsocks}/lib/libtsocks.so $LD_PRELOAD" "$@" ''; executable = true; destination = "/bin/tsocks"; }; in { ###### interface options = { services.tor.tsocks = { enable = mkOption { type = types.bool; default = false; description = '' Whether to build tsocks wrapper script to relay application traffic via Tor. <important> <para>You shouldn't use this unless you know what you're doing because your installation of Tor already comes with its own superior (doesn't leak DNS queries) <literal>torsocks</literal> wrapper which does pretty much exactly the same thing as this.</para> </important> ''; }; server = mkOption { type = types.str; default = "localhost:9050"; example = "192.168.0.20"; description = '' IP address of TOR client to use. ''; }; config = mkOption { type = types.lines; default = ""; description = '' Extra configuration. Contents will be added verbatim to TSocks configuration file. ''; }; }; }; ###### implementation config = mkIf cfg.tsocks.enable { environment.systemPackages = [ torify ]; # expose it to the users services.tor.tsocks.config = '' server = ${toString(head (splitString ":" cfg.tsocks.server))} server_port = ${toString(tail (splitString ":" cfg.tsocks.server))} local = 127.0.0.0/255.128.0.0 local = 127.128.0.0/255.192.0.0 ''; }; }