Add onion listening node with tor HS v3
This commit is contained in:
Jonas Nick
parent
d943e11647
commit
cad0763c70
@ -5,9 +5,16 @@
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{ config, pkgs, ... }:
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{
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disabledModules = [ "services/security/tor.nix" ];
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imports =
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[ # Include the results of the hardware scan.
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[
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./modules/default.nix
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./modules/tor.nix
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./modules/onionnode.nix
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];
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networking.hostName = "nix-bitcoin"; # Define your hostname.
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@ -18,8 +25,6 @@
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];
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services.openssh.enable = true;
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services.tor.enable = true;
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services.tor.client.enable = true;
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# users.users.root = {
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# openssh.authorizedKeys.keys = [ "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILacgZRwLsiICNHGHY2TG2APeuxFsrw6Cg13ZTMQpNqA nickler@rick" ];
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@ -31,6 +36,15 @@
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networking.firewall.enable = true;
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services.bitcoin.enable = true;
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# make an onion listen node
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services.tor.enable = true;
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services.tor.client.enable = true;
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#services.bitcoin.proxy = services.tor.client.socksListenAddress;
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services.onionnode.enable = true;
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# turn off binary cache by passing the empty list
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nix.binaryCaches = [];
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# Configure network proxy if necessary
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# networking.proxy.default = "http://user:password@proxy:port/";
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@ -6,11 +6,13 @@ let
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cfg = config.services.bitcoin;
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home = "/var/lib/bitcoin";
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configFile = pkgs.writeText "bitcoin.conf" ''
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listen=0
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onlynet=onion
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listen=${if cfg.listen then "1" else "0"}
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prune=1001
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assumevalid=0000000000000000000726d186d6298b5054b9a5c49639752294b322a305d240
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proxy=127.0.0.1:9050
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${optionalString (cfg.proxy != null) "proxy=${cfg.proxy}"}
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addnode=ecoc5q34tmbq54wl.onion
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discover=0
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${optionalString (cfg.port != null) "port=${toString cfg.port}"}
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'';
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in {
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options.services.bitcoin = {
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@ -21,28 +23,50 @@ in {
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If enabled, the bitcoin service will be installed.
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'';
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};
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listen = mkOption {
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type = types.bool;
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default = false;
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description = ''
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If enabled, the bitcoin service will listen.
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'';
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};
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proxy = mkOption {
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type = types.nullOr types.string;
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default = null;
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description = ''
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proxy
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'';
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};
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port = mkOption {
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type = types.nullOr types.ints.u16;
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default = null;
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# type = types.int;
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#default = 8333;
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description = "Override the default port on which to listen for connections.";
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};
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};
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config = mkIf cfg.enable {
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users.users.bitcoin =
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{
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description = "Bitcoind User";
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createHome = true;
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inherit home;
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};
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systemd.services.bitcoind =
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{ description = "Run bitcoind";
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path = [ pkgs.bitcoin ];
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wantedBy = [ "multi-user.target" ];
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preStart = ''
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mkdir -p ${home}/.bitcoin
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ln -sf ${configFile} ${home}/.bitcoin/bitcoin.conf
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'';
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serviceConfig =
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{
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ExecStart = "${pkgs.bitcoin}/bin/bitcoind";
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User = "bitcoin";
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};
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users.users.bitcoin =
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{
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description = "Bitcoind User";
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createHome = true;
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inherit home;
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};
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};
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systemd.services.bitcoind =
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{ description = "Run bitcoind";
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path = [ pkgs.bitcoin ];
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wantedBy = [ "multi-user.target" ];
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preStart = ''
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mkdir -p ${home}/.bitcoin
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ln -sf ${configFile} ${home}/.bitcoin/bitcoin.conf
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'';
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serviceConfig =
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{
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ExecStart = "${pkgs.bitcoin}/bin/bitcoind";
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User = "bitcoin";
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};
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};
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};
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}
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33
modules/onionnode.nix
Normal file
33
modules/onionnode.nix
Normal file
@ -0,0 +1,33 @@
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.onionnode;
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in {
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options.services.onionnode = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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If enabled, the onion service will be installed.
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'';
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};
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};
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config = mkIf cfg.enable {
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services.bitcoin.enable = true;
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services.bitcoin.listen = true;
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# make an onion listen node
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services.tor.enable = true;
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services.tor.client.enable = true;
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services.bitcoin.proxy = config.services.tor.client.socksListenAddress;
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services.tor.hiddenServices =
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{ "bitcoind".map = [ {
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#port = config.services.bitcoin.port;
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port = 8333;
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} ];
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"bitcoind".version = 3;};
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#services.tor.hiddenServices.bitcoind.version = 3;
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};
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}
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776
modules/tor.nix
Normal file
776
modules/tor.nix
Normal file
@ -0,0 +1,776 @@
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{ 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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torDirectory = "/var/lib/tor";
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torRunDirectory = "/run/tor";
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opt = name: value: optionalString (value != null) "${name} ${value}";
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optint = name: value: optionalString (value != null && value != 0) "${name} ${toString value}";
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isolationOptions = {
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type = types.listOf (types.enum [
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"IsolateClientAddr"
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"IsolateSOCKSAuth"
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"IsolateClientProtocol"
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"IsolateDestPort"
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"IsolateDestAddr"
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]);
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default = [];
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example = [
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"IsolateClientAddr"
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"IsolateSOCKSAuth"
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"IsolateClientProtocol"
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"IsolateDestPort"
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"IsolateDestAddr"
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];
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description = "Tor isolation options";
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};
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torRc = ''
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User tor
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DataDirectory ${torDirectory}
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${optionalString cfg.enableGeoIP ''
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GeoIPFile ${pkgs.tor.geoip}/share/tor/geoip
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GeoIPv6File ${pkgs.tor.geoip}/share/tor/geoip6
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''}
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${optint "ControlPort" cfg.controlPort}
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${optionalString cfg.controlSocket.enable "ControlPort unix:${torRunDirectory}/control GroupWritable RelaxDirModeCheck"}
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''
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# Client connection config
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+ optionalString cfg.client.enable ''
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SOCKSPort ${cfg.client.socksListenAddress} ${toString cfg.client.socksIsolationOptions}
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SOCKSPort ${cfg.client.socksListenAddressFaster}
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${opt "SocksPolicy" cfg.client.socksPolicy}
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${optionalString cfg.client.transparentProxy.enable ''
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TransPort ${cfg.client.transparentProxy.listenAddress} ${toString cfg.client.transparentProxy.isolationOptions}
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''}
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${optionalString cfg.client.dns.enable ''
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DNSPort ${cfg.client.dns.listenAddress} ${toString cfg.client.dns.isolationOptions}
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AutomapHostsOnResolve 1
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AutomapHostsSuffixes ${concatStringsSep "," cfg.client.dns.automapHostsSuffixes}
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''}
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''
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# Explicitly disable the SOCKS server if the client is disabled. In
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# particular, this makes non-anonymous hidden services possible.
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+ optionalString (! cfg.client.enable) ''
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SOCKSPort 0
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''
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# Relay config
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+ optionalString cfg.relay.enable ''
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ORPort ${toString cfg.relay.port}
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${opt "Address" cfg.relay.address}
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${opt "Nickname" cfg.relay.nickname}
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${opt "ContactInfo" cfg.relay.contactInfo}
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${optint "RelayBandwidthRate" cfg.relay.bandwidthRate}
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${optint "RelayBandwidthBurst" cfg.relay.bandwidthBurst}
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${opt "AccountingMax" cfg.relay.accountingMax}
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${opt "AccountingStart" cfg.relay.accountingStart}
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${if (cfg.relay.role == "exit") then
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opt "ExitPolicy" cfg.relay.exitPolicy
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else
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"ExitPolicy reject *:*"}
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${optionalString (elem cfg.relay.role ["bridge" "private-bridge"]) ''
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BridgeRelay 1
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ServerTransportPlugin obfs2,obfs3 exec ${pkgs.pythonPackages.obfsproxy}/bin/obfsproxy managed
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ExtORPort auto
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${optionalString (cfg.relay.role == "private-bridge") ''
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ExtraInfoStatistics 0
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PublishServerDescriptor 0
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''}
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''}
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''
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# Hidden services
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+ concatStrings (flip mapAttrsToList cfg.hiddenServices (n: v: ''
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HiddenServiceDir ${torDirectory}/onion/${v.name}
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${optionalString (v.version != null) "HiddenServiceVersion ${toString v.version}"}
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${flip concatMapStrings v.map (p: ''
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HiddenServicePort ${toString p.port} ${p.destination}
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'')}
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${optionalString (v.authorizeClient != null) ''
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HiddenServiceAuthorizeClient ${v.authorizeClient.authType} ${concatStringsSep "," v.authorizeClient.clientNames}
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''}
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''))
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+ cfg.extraConfig;
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torRcFile = pkgs.writeText "torrc" torRc;
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in
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{
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options = {
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services.tor = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enable the Tor daemon. By default, the daemon is run without
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relay, exit, bridge or client connectivity.
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'';
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};
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enableGeoIP = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whenever to configure Tor daemon to use GeoIP databases.
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Disabling this will disable by-country statistics for
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bridges and relays and some client and third-party software
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functionality.
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'';
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = ''
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Extra configuration. Contents will be added verbatim to the
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configuration file at the end.
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'';
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};
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controlPort = mkOption {
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type = types.nullOr (types.either types.int types.str);
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default = null;
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example = 9051;
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description = ''
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If set, Tor will accept connections on the specified port
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and allow them to control the tor process.
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'';
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};
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controlSocket = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Wheter to enable Tor control socket. Control socket is created
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in <literal>${torRunDirectory}/control</literal>
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'';
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};
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};
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client = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to enable Tor daemon to route application
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connections. You might want to disable this if you plan
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running a dedicated Tor relay.
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'';
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};
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socksListenAddress = mkOption {
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type = types.str;
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default = "127.0.0.1:9050";
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example = "192.168.0.1:9100";
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description = ''
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Bind to this address to listen for connections from
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Socks-speaking applications. Provides strong circuit
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isolation, separate circuit per IP address.
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'';
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};
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socksListenAddressFaster = mkOption {
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type = types.str;
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default = "127.0.0.1:9063";
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example = "192.168.0.1:9101";
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description = ''
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Bind to this address to listen for connections from
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Socks-speaking applications. Same as
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<option>socksListenAddress</option> but uses weaker
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circuit isolation to provide performance suitable for a
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web browser.
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'';
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};
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socksPolicy = mkOption {
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type = types.nullOr types.str;
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default = null;
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example = "accept 192.168.0.0/16, reject *";
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description = ''
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Entry policies to allow/deny SOCKS requests based on IP
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address. First entry that matches wins. If no SocksPolicy
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is set, we accept all (and only) requests from
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<option>socksListenAddress</option>.
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'';
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};
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socksIsolationOptions = mkOption (isolationOptions // {
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default = ["IsolateDestAddr"];
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});
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transparentProxy = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = "Whether to enable tor transparent proxy";
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};
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listenAddress = mkOption {
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type = types.str;
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default = "127.0.0.1:9040";
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example = "192.168.0.1:9040";
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description = ''
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Bind transparent proxy to this address.
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'';
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};
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isolationOptions = mkOption isolationOptions;
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};
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dns = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = "Whether to enable tor dns resolver";
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};
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listenAddress = mkOption {
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type = types.str;
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default = "127.0.0.1:9053";
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example = "192.168.0.1:9053";
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description = ''
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Bind tor dns to this address.
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'';
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};
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isolationOptions = mkOption isolationOptions;
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automapHostsSuffixes = mkOption {
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type = types.listOf types.str;
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default = [".onion" ".exit"];
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example = [".onion"];
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description = "List of suffixes to use with automapHostsOnResolve";
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};
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};
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privoxy.enable = mkOption {
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type = types.bool;
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default = true;
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description = ''
|
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Whether to enable and configure the system Privoxy to use Tor's
|
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faster port, suitable for HTTP.
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To have anonymity, protocols need to be scrubbed of identifying
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information, and this can be accomplished for HTTP by Privoxy.
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Privoxy can also be useful for KDE torification. A good setup would be:
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setting SOCKS proxy to the default Tor port, providing maximum
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circuit isolation where possible; and setting HTTP proxy to Privoxy
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to route HTTP traffic over faster, but less isolated port.
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'';
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};
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};
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relay = {
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enable = mkOption {
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type = types.bool;
|
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default = false;
|
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description = ''
|
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Whether to enable relaying TOR traffic for others.
|
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|
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See <link xlink:href="https://www.torproject.org/docs/tor-doc-relay" />
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for details.
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|
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Setting this to true requires setting
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<option>services.tor.relay.role</option>
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and
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<option>services.tor.relay.port</option>
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options.
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'';
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};
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role = mkOption {
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type = types.enum [ "exit" "relay" "bridge" "private-bridge" ];
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description = ''
|
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Your role in Tor network. There're several options:
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<variablelist>
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<varlistentry>
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<term><literal>exit</literal></term>
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<listitem>
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<para>
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An exit relay. This allows Tor users to access regular
|
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Internet services through your public IP.
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</para>
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|
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<important><para>
|
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Running an exit relay may expose you to abuse
|
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complaints. See
|
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<link xlink:href="https://www.torproject.org/faq.html.en#ExitPolicies" />
|
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for more info.
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</para></important>
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|
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<para>
|
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You can specify which services Tor users may access via
|
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your exit relay using <option>exitPolicy</option> option.
|
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</para>
|
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><literal>relay</literal></term>
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<listitem>
|
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<para>
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Regular relay. This allows Tor users to relay onion
|
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traffic to other Tor nodes, but not to public
|
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Internet.
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||||
</para>
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|
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<important><para>
|
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Note that some misconfigured and/or disrespectful
|
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towards privacy sites will block you even if your
|
||||
relay is not an exit relay. That is, just being listed
|
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in a public relay directory can have unwanted
|
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consequences.
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||||
|
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Which means you might not want to use
|
||||
this role if you browse public Internet from the same
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network as your relay, unless you want to write
|
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e-mails to those sites (you should!).
|
||||
</para></important>
|
||||
|
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<para>
|
||||
See
|
||||
<link xlink:href="https://www.torproject.org/docs/tor-doc-relay.html.en" />
|
||||
for more info.
|
||||
</para>
|
||||
</listitem>
|
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</varlistentry>
|
||||
|
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<varlistentry>
|
||||
<term><literal>bridge</literal></term>
|
||||
<listitem>
|
||||
<para>
|
||||
Regular bridge. Works like a regular relay, but
|
||||
doesn't list you in the public relay directory and
|
||||
hides your Tor node behind obfsproxy.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
Using this option will make Tor advertise your bridge
|
||||
to users through various mechanisms like
|
||||
<link xlink:href="https://bridges.torproject.org/" />, though.
|
||||
</para>
|
||||
|
||||
<important>
|
||||
<para>
|
||||
WARNING: THE FOLLOWING PARAGRAPH IS NOT LEGAL ADVICE.
|
||||
Consult with your lawer when in doubt.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
This role should be safe to use in most situations
|
||||
(unless the act of forwarding traffic for others is
|
||||
a punishable offence under your local laws, which
|
||||
would be pretty insane as it would make ISP
|
||||
illegal).
|
||||
</para>
|
||||
</important>
|
||||
|
||||
<para>
|
||||
See <link xlink:href="https://www.torproject.org/docs/bridges.html.en" />
|
||||
for more info.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><literal>private-bridge</literal></term>
|
||||
<listitem>
|
||||
<para>
|
||||
Private bridge. Works like regular bridge, but does
|
||||
not advertise your node in any way.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
Using this role means that you won't contribute to Tor
|
||||
network in any way unless you advertise your node
|
||||
yourself in some way.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
Use this if you want to run a private bridge, for
|
||||
example because you'll give out your bridge address
|
||||
manually to your friends.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
Switching to this role after measurable time in
|
||||
"bridge" role is pretty useless as some Tor users
|
||||
would have learned about your node already. In the
|
||||
latter case you can still change
|
||||
<option>port</option> option.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
See <link xlink:href="https://www.torproject.org/docs/bridges.html.en" />
|
||||
for more info.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
</variablelist>
|
||||
'';
|
||||
};
|
||||
|
||||
nickname = mkOption {
|
||||
type = types.str;
|
||||
default = "anonymous";
|
||||
description = ''
|
||||
A unique handle for your TOR relay.
|
||||
'';
|
||||
};
|
||||
|
||||
contactInfo = mkOption {
|
||||
type = types.nullOr types.str;
|
||||
default = null;
|
||||
example = "admin@relay.com";
|
||||
description = ''
|
||||
Contact information for the relay owner (e.g. a mail
|
||||
address and GPG key ID).
|
||||
'';
|
||||
};
|
||||
|
||||
accountingMax = mkOption {
|
||||
type = types.nullOr types.str;
|
||||
default = null;
|
||||
example = "450 GBytes";
|
||||
description = ''
|
||||
Specify maximum bandwidth allowed during an accounting period. This
|
||||
allows you to limit overall tor bandwidth over some time period.
|
||||
See the <literal>AccountingMax</literal> option by looking at the
|
||||
tor manual <citerefentry><refentrytitle>tor</refentrytitle>
|
||||
<manvolnum>1</manvolnum></citerefentry> for more.
|
||||
|
||||
Note this limit applies individually to upload and
|
||||
download; if you specify <literal>"500 GBytes"</literal>
|
||||
here, then you may transfer up to 1 TBytes of overall
|
||||
bandwidth (500 GB upload, 500 GB download).
|
||||
'';
|
||||
};
|
||||
|
||||
accountingStart = mkOption {
|
||||
type = types.nullOr types.str;
|
||||
default = null;
|
||||
example = "month 1 1:00";
|
||||
description = ''
|
||||
Specify length of an accounting period. This allows you to limit
|
||||
overall tor bandwidth over some time period. See the
|
||||
<literal>AccountingStart</literal> option by looking at the tor
|
||||
manual <citerefentry><refentrytitle>tor</refentrytitle>
|
||||
<manvolnum>1</manvolnum></citerefentry> for more.
|
||||
'';
|
||||
};
|
||||
|
||||
bandwidthRate = mkOption {
|
||||
type = types.nullOr types.int;
|
||||
default = null;
|
||||
example = 100;
|
||||
description = ''
|
||||
Specify this to limit the bandwidth usage of relayed (server)
|
||||
traffic. Your own traffic is still unthrottled. Units: bytes/second.
|
||||
'';
|
||||
};
|
||||
|
||||
bandwidthBurst = mkOption {
|
||||
type = types.nullOr types.int;
|
||||
default = cfg.relay.bandwidthRate;
|
||||
example = 200;
|
||||
description = ''
|
||||
Specify this to allow bursts of the bandwidth usage of relayed (server)
|
||||
traffic. The average usage will still be as specified in relayBandwidthRate.
|
||||
Your own traffic is still unthrottled. Units: bytes/second.
|
||||
'';
|
||||
};
|
||||
|
||||
address = mkOption {
|
||||
type = types.nullOr types.str;
|
||||
default = null;
|
||||
example = "noname.example.com";
|
||||
description = ''
|
||||
The IP address or full DNS name for advertised address of your relay.
|
||||
Leave unset and Tor will guess.
|
||||
'';
|
||||
};
|
||||
|
||||
port = mkOption {
|
||||
type = types.either types.int types.str;
|
||||
example = 143;
|
||||
description = ''
|
||||
What port to advertise for Tor connections. This corresponds to the
|
||||
<literal>ORPort</literal> section in the Tor manual; see
|
||||
<citerefentry><refentrytitle>tor</refentrytitle>
|
||||
<manvolnum>1</manvolnum></citerefentry> for more details.
|
||||
|
||||
At a minimum, you should just specify the port for the
|
||||
relay to listen on; a common one like 143, 22, 80, or 443
|
||||
to help Tor users who may have very restrictive port-based
|
||||
firewalls.
|
||||
'';
|
||||
};
|
||||
|
||||
exitPolicy = mkOption {
|
||||
type = types.nullOr types.str;
|
||||
default = null;
|
||||
example = "accept *:6660-6667,reject *:*";
|
||||
description = ''
|
||||
A comma-separated list of exit policies. They're
|
||||
considered first to last, and the first match wins. If you
|
||||
want to _replace_ the default exit policy, end this with
|
||||
either a reject *:* or an accept *:*. Otherwise, you're
|
||||
_augmenting_ (prepending to) the default exit policy.
|
||||
Leave commented to just use the default, which is
|
||||
available in the man page or at
|
||||
<link xlink:href="https://www.torproject.org/documentation.html" />.
|
||||
|
||||
Look at
|
||||
<link xlink:href="https://www.torproject.org/faq-abuse.html#TypicalAbuses" />
|
||||
for issues you might encounter if you use the default
|
||||
exit policy.
|
||||
|
||||
If certain IPs and ports are blocked externally, e.g. by
|
||||
your firewall, you should update your exit policy to
|
||||
reflect this -- otherwise Tor users will be told that
|
||||
those destinations are down.
|
||||
'';
|
||||
};
|
||||
};
|
||||
|
||||
hiddenServices = mkOption {
|
||||
description = ''
|
||||
A set of static hidden services that terminate their Tor
|
||||
circuits at this node.
|
||||
|
||||
Every element in this set declares a virtual onion host.
|
||||
|
||||
You can specify your onion address by putting corresponding
|
||||
private key to an appropriate place in ${torDirectory}.
|
||||
|
||||
For services without private keys in ${torDirectory} Tor
|
||||
daemon will generate random key pairs (which implies random
|
||||
onion addresses) on restart. The latter could take a while,
|
||||
please be patient.
|
||||
|
||||
<note><para>
|
||||
Hidden services can be useful even if you don't intend to
|
||||
actually <emphasis>hide</emphasis> them, since they can
|
||||
also be seen as a kind of NAT traversal mechanism.
|
||||
|
||||
E.g. the example will make your sshd, whatever runs on
|
||||
"8080" and your mail server available from anywhere where
|
||||
the Tor network is available (which, with the help from
|
||||
bridges, is pretty much everywhere), even if both client
|
||||
and server machines are behind NAT you have no control
|
||||
over.
|
||||
</para></note>
|
||||
'';
|
||||
default = {};
|
||||
example = literalExample ''
|
||||
{ "my-hidden-service-example".map = [
|
||||
{ port = 22; } # map ssh port to this machine's ssh
|
||||
{ port = 80; toPort = 8080; } # map http port to whatever runs on 8080
|
||||
{ port = "sip"; toHost = "mail.example.com"; toPort = "imap"; } # because we can
|
||||
];
|
||||
}
|
||||
'';
|
||||
type = types.loaOf (types.submodule ({name, ...}: {
|
||||
options = {
|
||||
|
||||
name = mkOption {
|
||||
type = types.str;
|
||||
description = ''
|
||||
Name of this tor hidden service.
|
||||
|
||||
This is purely descriptive.
|
||||
|
||||
After restarting Tor daemon you should be able to
|
||||
find your .onion address in
|
||||
<literal>${torDirectory}/onion/$name/hostname</literal>.
|
||||
'';
|
||||
};
|
||||
|
||||
map = mkOption {
|
||||
default = [];
|
||||
description = "Port mapping for this hidden service.";
|
||||
type = types.listOf (types.submodule ({config, ...}: {
|
||||
options = {
|
||||
|
||||
port = mkOption {
|
||||
type = types.either types.int types.str;
|
||||
example = 80;
|
||||
description = ''
|
||||
Hidden service port to "bind to".
|
||||
'';
|
||||
};
|
||||
|
||||
destination = mkOption {
|
||||
internal = true;
|
||||
type = types.str;
|
||||
description = "Forward these connections where?";
|
||||
};
|
||||
|
||||
toHost = mkOption {
|
||||
type = types.str;
|
||||
default = "127.0.0.1";
|
||||
description = "Mapping destination host.";
|
||||
};
|
||||
|
||||
toPort = mkOption {
|
||||
type = types.either types.int types.str;
|
||||
example = 8080;
|
||||
description = "Mapping destination port.";
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
config = {
|
||||
toPort = mkDefault config.port;
|
||||
destination = mkDefault "${config.toHost}:${toString config.toPort}";
|
||||
};
|
||||
}));
|
||||
};
|
||||
|
||||
authorizeClient = mkOption {
|
||||
default = null;
|
||||
description = "If configured, the hidden service is accessible for authorized clients only.";
|
||||
type = types.nullOr (types.submodule ({...}: {
|
||||
|
||||
options = {
|
||||
|
||||
authType = mkOption {
|
||||
type = types.enum [ "basic" "stealth" ];
|
||||
description = ''
|
||||
Either <literal>"basic"</literal> for a general-purpose authorization protocol
|
||||
or <literal>"stealth"</literal> for a less scalable protocol
|
||||
that also hides service activity from unauthorized clients.
|
||||
'';
|
||||
};
|
||||
|
||||
clientNames = mkOption {
|
||||
type = types.nonEmptyListOf (types.strMatching "[A-Za-z0-9+-_]+");
|
||||
description = ''
|
||||
Only clients that are listed here are authorized to access the hidden service.
|
||||
Generated authorization data can be found in <filename>${torDirectory}/onion/$name/hostname</filename>.
|
||||
Clients need to put this authorization data in their configuration file using <literal>HidServAuth</literal>.
|
||||
'';
|
||||
};
|
||||
};
|
||||
}));
|
||||
};
|
||||
version = mkOption {
|
||||
default = null;
|
||||
description = "If configured, the hidden service uses version 3";
|
||||
type = types.nullOr types.int // { check = (x: x == 2 || x == 3); };
|
||||
};
|
||||
};
|
||||
|
||||
config = {
|
||||
name = mkDefault name;
|
||||
};
|
||||
}));
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
config = mkIf cfg.enable {
|
||||
# Not sure if `cfg.relay.role == "private-bridge"` helps as tor
|
||||
# sends a lot of stats
|
||||
warnings = optional (cfg.relay.enable && cfg.hiddenServices != {})
|
||||
''
|
||||
Running Tor hidden services on a public relay makes the
|
||||
presence of hidden services visible through simple statistical
|
||||
analysis of publicly available data.
|
||||
|
||||
You can safely ignore this warning if you don't intend to
|
||||
actually hide your hidden services. In either case, you can
|
||||
always create a container/VM with a separate Tor daemon instance.
|
||||
'';
|
||||
|
||||
users.groups.tor.gid = config.ids.gids.tor;
|
||||
users.users.tor =
|
||||
{ description = "Tor Daemon User";
|
||||
createHome = true;
|
||||
home = torDirectory;
|
||||
group = "tor";
|
||||
uid = config.ids.uids.tor;
|
||||
};
|
||||
|
||||
# We have to do this instead of using RuntimeDirectory option in
|
||||
# the service below because systemd has no way to set owners of
|
||||
# RuntimeDirectory and putting this into the service below
|
||||
# requires that service to relax it's sandbox since this needs
|
||||
# writable /run
|
||||
systemd.services.tor-init =
|
||||
{ description = "Tor Daemon Init";
|
||||
wantedBy = [ "tor.service" ];
|
||||
after = [ "local-fs.target" ];
|
||||
script = ''
|
||||
install -m 0700 -o tor -g tor -d ${torDirectory} ${torDirectory}/onion
|
||||
install -m 0750 -o tor -g tor -d ${torRunDirectory}
|
||||
'';
|
||||
serviceConfig = {
|
||||
Type = "oneshot";
|
||||
RemainAfterExit = true;
|
||||
};
|
||||
};
|
||||
|
||||
systemd.services.tor =
|
||||
{ description = "Tor Daemon";
|
||||
path = [ pkgs.tor ];
|
||||
|
||||
wantedBy = [ "multi-user.target" ];
|
||||
after = [ "tor-init.service" "network.target" ];
|
||||
restartTriggers = [ torRcFile ];
|
||||
|
||||
serviceConfig =
|
||||
{ Type = "simple";
|
||||
# Translated from the upstream contrib/dist/tor.service.in
|
||||
ExecStartPre = "${pkgs.tor}/bin/tor -f ${torRcFile} --verify-config";
|
||||
ExecStart = "${pkgs.tor}/bin/tor -f ${torRcFile}";
|
||||
ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
|
||||
KillSignal = "SIGINT";
|
||||
TimeoutSec = 30;
|
||||
Restart = "on-failure";
|
||||
LimitNOFILE = 32768;
|
||||
|
||||
# Hardening
|
||||
# this seems to unshare /run despite what systemd.exec(5) says
|
||||
PrivateTmp = mkIf (!cfg.controlSocket.enable) "yes";
|
||||
PrivateDevices = "yes";
|
||||
ProtectHome = "yes";
|
||||
ProtectSystem = "strict";
|
||||
InaccessiblePaths = "/home";
|
||||
ReadOnlyPaths = "/";
|
||||
ReadWritePaths = [ torDirectory torRunDirectory ];
|
||||
NoNewPrivileges = "yes";
|
||||
|
||||
# tor.service.in has this in, but this line it fails to spawn a namespace when using hidden services
|
||||
#CapabilityBoundingSet = "CAP_SETUID CAP_SETGID CAP_NET_BIND_SERVICE";
|
||||
};
|
||||
};
|
||||
|
||||
environment.systemPackages = [ pkgs.tor ];
|
||||
|
||||
services.privoxy = mkIf (cfg.client.enable && cfg.client.privoxy.enable) {
|
||||
enable = true;
|
||||
extraConfig = ''
|
||||
forward-socks4a / ${cfg.client.socksListenAddressFaster} .
|
||||
toggle 1
|
||||
enable-remote-toggle 0
|
||||
enable-edit-actions 0
|
||||
enable-remote-http-toggle 0
|
||||
'';
|
||||
};
|
||||
};
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user