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{ config, pkgs, ... }:
with pkgs.lib;
let
cfg = config.services.tor;
makeConfig = server: ''
server = ${toString(head (splitString ":" server))}
server_port = ${toString(tail (splitString ":" server))}
local = 127.0.0.0/255.128.0.0
local = 127.128.0.0/255.192.0.0
local = 169.254.0.0/255.255.0.0
local = 172.16.0.0/255.240.0.0
local = 192.168.0.0/255.255.0.0
${cfg.torsocks.config}
'';
makeTorsocks = name: server: pkgs.writeTextFile {
name = name;
text = ''
#!${pkgs.stdenv.shell}
TORSOCKS_CONF_FILE=${pkgs.writeText "torsocks.conf" (makeConfig server)} LD_PRELOAD="${pkgs.torsocks}/lib/torsocks/libtorsocks.so $LD_PRELOAD" "$@"
'';
executable = true;
destination = "/bin/${name}";
};
torsocks = makeTorsocks "torsocks" cfg.torsocks.server;
torsocksFaster = makeTorsocks "torsocks-faster" cfg.torsocks.serverFaster;
in
{
###### interface
options = {
services.tor.torsocks = {
enable = mkOption {
default = cfg.client.enable;
description = ''
Whether to build torsocks scipt to relay application traffic via TOR.
'';
};
server = mkOption {
default = cfg.client.socksListenAddress;
example = "192.168.0.20:9050";
description = ''
IP address of TOR client to use.
'';
};
serverFaster = mkOption {
default = cfg.client.socksListenAddressFaster;
example = "192.168.0.20:9063";
description = ''
IP address of TOR client to use for applications like web browsers which
need less circuit isolation to achive satisfactory performance.
'';
};
config = mkOption {
default = "";
description = ''
Extra configuration. Contents will be added verbatim to torsocks
configuration file.
'';
};
};
};
###### implementation
config = mkIf cfg.torsocks.enable {
environment.systemPackages = [ torsocks torsocksFaster ]; # expose it to the users
};
}
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