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{ 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 {
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 {
default = "localhost:9050";
example = "192.168.0.20";
description = ''
IP address of TOR client to use.
'';
};
config = mkOption {
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
'';
};
}
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