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nixpkgs/nixos/modules/services/security/torsocks.nix
Eelco Dolstra 29027fd1e1 Rewrite ‘with pkgs.lib’ -> ‘with lib’
Using pkgs.lib on the spine of module evaluation is problematic
because the pkgs argument depends on the result of module
evaluation. To prevent an infinite recursion, pkgs and some of the
modules are evaluated twice, which is inefficient. Using ‘with lib’
prevents this problem.
2014-04-14 16:26:48 +02:00

86 lines
2 KiB
Nix

{ config, lib, pkgs, ... }:
with 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
};
}