29027fd1e1
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.
86 lines
2.0 KiB
Nix
86 lines
2.0 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.tor;
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makeConfig = server: ''
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server = ${toString(head (splitString ":" server))}
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server_port = ${toString(tail (splitString ":" server))}
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local = 127.0.0.0/255.128.0.0
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local = 127.128.0.0/255.192.0.0
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local = 169.254.0.0/255.255.0.0
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local = 172.16.0.0/255.240.0.0
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local = 192.168.0.0/255.255.0.0
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${cfg.torsocks.config}
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'';
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makeTorsocks = name: server: pkgs.writeTextFile {
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name = name;
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text = ''
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#!${pkgs.stdenv.shell}
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TORSOCKS_CONF_FILE=${pkgs.writeText "torsocks.conf" (makeConfig server)} LD_PRELOAD="${pkgs.torsocks}/lib/torsocks/libtorsocks.so $LD_PRELOAD" "$@"
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'';
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executable = true;
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destination = "/bin/${name}";
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};
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torsocks = makeTorsocks "torsocks" cfg.torsocks.server;
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torsocksFaster = makeTorsocks "torsocks-faster" cfg.torsocks.serverFaster;
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in
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{
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###### interface
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options = {
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services.tor.torsocks = {
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enable = mkOption {
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default = cfg.client.enable;
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description = ''
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Whether to build torsocks scipt to relay application traffic via TOR.
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'';
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};
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server = mkOption {
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default = cfg.client.socksListenAddress;
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example = "192.168.0.20:9050";
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description = ''
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IP address of TOR client to use.
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'';
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};
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serverFaster = mkOption {
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default = cfg.client.socksListenAddressFaster;
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example = "192.168.0.20:9063";
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description = ''
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IP address of TOR client to use for applications like web browsers which
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need less circuit isolation to achive satisfactory performance.
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'';
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};
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config = mkOption {
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default = "";
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description = ''
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Extra configuration. Contents will be added verbatim to torsocks
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configuration file.
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'';
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};
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};
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};
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###### implementation
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config = mkIf cfg.torsocks.enable {
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environment.systemPackages = [ torsocks torsocksFaster ]; # expose it to the users
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};
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}
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