machines/losurdo/networking/tor.nix

   1 { pkgs, lib, config, ... }:
   2 let
   3   inherit (config) networking;
   4   inherit (config.services) tor;
   5   inherit (config.users) users;
   6   inherit (config.security) gnupg;
   7   ports = lib.flatten (map (map (p: p.port)) [tor.settings.ORPort tor.settings.DirPort]);
   8   onion = "5spcvlzbaxwo4knhwnrekjtnakxmvekmlc5qwsigi33rn45hd5gewlyd";
   9 in
  10 {
  11 environment.systemPackages = [
  12   #pkgs.pythonPackages.stem
  13   pkgs.nyx
  14 ];
  15 networking.nftables.ruleset = ''
  16   add rule inet filter fw2net meta skuid ${users.tor.name} meta l4proto tcp counter accept comment "Tor"
  17 '' + lib.optionalString (ports != []) ''
  18   add rule inet filter net2fw tcp dport {${lib.concatMapStringsSep "," toString ports}} counter accept comment "Tor"
  19 '';
  20 #security.gnupg.secrets."tor/auth/julm" = {};
  21 security.gnupg.secrets."tor/onion/${onion}/hs_ed25519_secret_key" = {
  22   systemdConfig.before = [ "tor.service" ];
  23   systemdConfig.requiredBy = [ "tor.service" ];
  24 };
  25 services.tor = {
  26   enable = true;
  27   enableGeoIP = true;
  28   controlSocket.enable = true;
  29   client.enable = true;
  30   client.dns.enable = true;
  31   relay.enable = false;
  32   relay.role = "private-bridge";
  33   #client.privoxy.enable = false;
  34   relay.onionServices = {
  35     "ssh/${networking.domain}/${networking.hostName}" = {
  36       secretKey = gnupg.secrets."tor/onion/${onion}/hs_ed25519_secret_key".path;
  37       map = [ 22 ];
  38       /*
  39       authorizedClients = [
  40         "descriptor:x25519:2EZQ3AOZXERDVSN6WO5LNSCOIIPL2AT2A7KOS4ZIYNVQDR5EFM2Q" # julm
  41       ];
  42       */
  43       settings = {
  44         #HiddenServiceNumIntroductionPoints = 20;
  45       };
  46     };
  47   };
  48   settings.AutomapHostsSuffixes = [".onion"];
  49   settings.ORPort = [
  50     #{ addr = "[::]"; port = 2222; NoAdvertise = false; IPv6Only = true; }
  51     { port = 2222; IPv4Only = false; }
  52     #{ addr = "80.67.180.251"; port = 222; IPv4Only = true; NoAdvertise = true; }
  53   ];
  54   settings.BandwidthRate = 500000;
  55   settings.ReducedExitPolicy = true;
  56   settings.ExitPolicy = [
  57     # irc.freenode.net
  58     "reject 185.30.166.38"
  59     "reject 185.30.166.37"
  60     "reject 38.229.70.22"
  61     "reject 130.185.232.126"
  62     "reject 185.191.225.10"
  63     "reject [2a01:7e00::f03c:91ff:fee2:413b]"
  64     "reject [2001:6b0:e:2a18::119]"
  65     "reject [2600:3c02::f03c:91ff:fe59:7d2e]"
  66   ];
  67   /*
  68   settings.TransPort = { port = 9040; };
  69   settings.DNSPort = { port = 9053; };
  70   #settings.ExtORPort = lib.mkForce null;
  71   settings.AutomapHostsOnResolve = true;
  72   */
  73 };
  74 /*
  75 boot.initrd.secrets = {
  76   "/var/lib/tor/onion/ssh/hs_ed25519_secret_key" =
  77     gnupg.secrets."tor/onion/${onion}/hs_ed25519_secret_key".path;
  78 };
  79 boot.initrd.extraUtilsCommands = ''
  80   copy_bin_and_libs ${pkgs.tor}/bin/tor
  81 '';
  82 boot.initrd.network.postCommands = let
  83   torRc = pkgs.writeText "tor.rc" ''
  84     DataDirectory /var/lib/tor
  85     HiddenServicePort 22 127.0.0.1:2222
  86     HiddenServiceDir /var/lib/tor/onion/ssh
  87   '';
  88   in ''
  89   echo "tor: preparing onion folder"
  90   # have to do this otherwise tor does not want to start
  91   install -d -m 700 /var/lib/tor
  92
  93   echo "make sure localhost is up"
  94   ip addr add 127.0.0.1/8 dev lo
  95   ip link set lo up
  96
  97   echo "tor: starting tor"
  98   tor -f ${torRc} --verify-config
  99   tor -f ${torRc} &
 100 '';
 101 */
 102 }