{ config, lib, pkgs, ... }:
+with builtins;
with lib;
let
cfg = config.services.tor;
- torDirectory = "/var/lib/tor";
- torRunDirectory = "/run/tor";
-
- opt = name: value: optionalString (value != null) "${name} ${value}";
- optint = name: value: optionalString (value != null && value != 0) "${name} ${toString value}";
-
- isolationOptions = {
- type = types.listOf (types.enum [
- "IsolateClientAddr"
- "IsolateSOCKSAuth"
- "IsolateClientProtocol"
- "IsolateDestPort"
- "IsolateDestAddr"
+ stateDir = "/var/lib/tor";
+ runDir = "/run/tor";
+ descriptionGeneric = option: ''
+ See <link xlink:href="https://2019.www.torproject.org/docs/tor-manual.html.en#${option}"/>.
+ '';
+ bindsPrivilegedPort =
+ any (p0:
+ let p1 = if p0 ? "port" then p0.port else p0; in
+ if p1 == "auto" then false
+ else let p2 = if isInt p1 then p1 else toInt p1; in
+ p1 != null && 0 < p2 && p2 < 1024)
+ (flatten [
+ cfg.settings.ORPort
+ cfg.settings.DirPort
+ cfg.settings.DNSPort
+ cfg.settings.ExtORPort
+ cfg.settings.HTTPTunnelPort
+ cfg.settings.NATDPort
+ cfg.settings.SOCKSPort
+ cfg.settings.TransPort
]);
+ optionBool = optionName: mkOption {
+ type = with types; nullOr bool;
+ default = null;
+ description = descriptionGeneric optionName;
+ };
+ optionInt = optionName: mkOption {
+ type = with types; nullOr int;
+ default = null;
+ description = descriptionGeneric optionName;
+ };
+ optionString = optionName: mkOption {
+ type = with types; nullOr str;
+ default = null;
+ description = descriptionGeneric optionName;
+ };
+ optionStrings = optionName: mkOption {
+ type = with types; listOf str;
+ default = [];
+ description = descriptionGeneric optionName;
+ };
+ optionAddress = mkOption {
+ type = with types; nullOr str;
+ default = null;
+ example = "0.0.0.0";
+ description = ''
+ IPv4 or IPv6 (if between brackets) address.
+ '';
+ };
+ optionUnix = mkOption {
+ type = with types; nullOr path;
+ default = null;
+ description = ''
+ Unix domain socket path to use.
+ '';
+ };
+ optionPort = mkOption {
+ type = with types; nullOr (oneOf [port (enum ["auto"])]);
+ default = null;
+ };
+ optionPorts = optionName: mkOption {
+ type = with types; listOf port;
+ default = [];
+ description = descriptionGeneric optionName;
+ };
+ optionIsolablePort = with types; oneOf [
+ port (enum ["auto"])
+ (submodule ({config, ...}: {
+ options = {
+ addr = optionAddress;
+ port = optionPort;
+ flags = optionFlags;
+ SessionGroup = mkOption { type = nullOr int; default = null; };
+ } // genAttrs isolateFlags (name: mkOption { type = types.bool; default = false; });
+ config = {
+ flags = filter (name: config.${name} == true) isolateFlags ++
+ optional (config.SessionGroup != null) "SessionGroup=${toString config.SessionGroup}";
+ };
+ }))
+ ];
+ optionIsolablePorts = optionName: mkOption {
default = [];
- example = [
- "IsolateClientAddr"
- "IsolateSOCKSAuth"
- "IsolateClientProtocol"
- "IsolateDestPort"
- "IsolateDestAddr"
+ type = with types; either optionIsolablePort (listOf optionIsolablePort);
+ description = descriptionGeneric optionName;
+ };
+ isolateFlags = [
+ "IsolateClientAddr"
+ "IsolateClientProtocol"
+ "IsolateDestAddr"
+ "IsolateDestPort"
+ "IsolateSOCKSAuth"
+ "KeepAliveIsolateSOCKSAuth"
+ ];
+ optionSOCKSPort = let
+ flags = [
+ "CacheDNS" "CacheIPv4DNS" "CacheIPv6DNS" "GroupWritable" "IPv6Traffic"
+ "NoDNSRequest" "NoIPv4Traffic" "NoOnionTraffic" "OnionTrafficOnly"
+ "PreferIPv6" "PreferIPv6Automap" "PreferSOCKSNoAuth" "UseDNSCache"
+ "UseIPv4Cache" "UseIPv6Cache" "WorldWritable"
+ ] ++ isolateFlags;
+ in with types; oneOf [
+ port (submodule ({config, ...}: {
+ options = {
+ unix = optionUnix;
+ addr = optionAddress;
+ port = optionPort;
+ flags = optionFlags;
+ SessionGroup = mkOption { type = nullOr int; default = null; };
+ } // genAttrs flags (name: mkOption { type = types.bool; default = false; });
+ config = {
+ flags = filter (name: config.${name} == true) flags ++
+ optional (config.SessionGroup != null) "SessionGroup=${toString config.SessionGroup}";
+ };
+ }))
];
- description = "Tor isolation options";
+ optionFlags = mkOption {
+ type = with types; listOf str;
+ default = [];
+ };
+ optionORPort = optionName: mkOption {
+ default = [];
+ example = 443;
+ type = with types; oneOf [port (enum ["auto"]) (listOf (oneOf [
+ port
+ (enum ["auto"])
+ (submodule ({config, ...}:
+ let flags = [ "IPv4Only" "IPv6Only" "NoAdvertise" "NoListen" ];
+ in {
+ options = {
+ addr = optionAddress;
+ port = optionPort;
+ flags = optionFlags;
+ } // genAttrs flags (name: mkOption { type = types.bool; default = false; });
+ config = {
+ flags = filter (name: config.${name} == true) flags;
+ };
+ }))
+ ]))];
+ description = descriptionGeneric optionName;
+ };
+ optionBandwith = optionName: mkOption {
+ type = with types; nullOr (either int str);
+ default = null;
+ description = descriptionGeneric optionName;
+ };
+ optionPath = optionName: mkOption {
+ type = with types; nullOr path;
+ default = null;
+ description = descriptionGeneric optionName;
};
-
- torRc = ''
- DataDirectory ${torDirectory}
- ${optionalString cfg.enableGeoIP ''
- GeoIPFile ${cfg.package.geoip}/share/tor/geoip
- GeoIPv6File ${cfg.package.geoip}/share/tor/geoip6
- ''}
-
- ${optint "ControlPort" cfg.controlPort}
- ${optionalString cfg.controlSocket.enable "ControlPort unix:${torRunDirectory}/control GroupWritable RelaxDirModeCheck"}
- ''
- # Client connection config
- + optionalString cfg.client.enable ''
- SOCKSPort ${cfg.client.socksListenAddress} ${toString cfg.client.socksIsolationOptions}
- SOCKSPort ${cfg.client.socksListenAddressFaster}
- ${opt "SocksPolicy" cfg.client.socksPolicy}
-
- ${optionalString cfg.client.transparentProxy.enable ''
- TransPort ${cfg.client.transparentProxy.listenAddress} ${toString cfg.client.transparentProxy.isolationOptions}
- ''}
-
- ${optionalString cfg.client.dns.enable ''
- DNSPort ${cfg.client.dns.listenAddress} ${toString cfg.client.dns.isolationOptions}
- AutomapHostsOnResolve 1
- AutomapHostsSuffixes ${concatStringsSep "," cfg.client.dns.automapHostsSuffixes}
- ''}
- ''
- # Explicitly disable the SOCKS server if the client is disabled. In
- # particular, this makes non-anonymous hidden services possible.
- + optionalString (! cfg.client.enable) ''
- SOCKSPort 0
- ''
- # Relay config
- + optionalString cfg.relay.enable ''
- ORPort ${toString cfg.relay.port}
- ${opt "Address" cfg.relay.address}
- ${opt "Nickname" cfg.relay.nickname}
- ${opt "ContactInfo" cfg.relay.contactInfo}
-
- ${optint "RelayBandwidthRate" cfg.relay.bandwidthRate}
- ${optint "RelayBandwidthBurst" cfg.relay.bandwidthBurst}
- ${opt "AccountingMax" cfg.relay.accountingMax}
- ${opt "AccountingStart" cfg.relay.accountingStart}
-
- ${if (cfg.relay.role == "exit") then
- opt "ExitPolicy" cfg.relay.exitPolicy
- else
- "ExitPolicy reject *:*"}
-
- ${optionalString (elem cfg.relay.role ["bridge" "private-bridge"]) ''
- BridgeRelay 1
- ServerTransportPlugin ${concatStringsSep "," cfg.relay.bridgeTransports} exec ${pkgs.obfs4}/bin/obfs4proxy managed
- ExtORPort auto
- ${optionalString (cfg.relay.role == "private-bridge") ''
- ExtraInfoStatistics 0
- PublishServerDescriptor 0
- ''}
- ''}
- ''
- # Hidden services
- + concatStrings (flip mapAttrsToList cfg.hiddenServices (n: v: ''
- HiddenServiceDir ${torDirectory}/onion/${v.name}
- ${optionalString (v.version != null) "HiddenServiceVersion ${toString v.version}"}
- ${flip concatMapStrings v.map (p: ''
- HiddenServicePort ${toString p.port} ${p.destination}
- '')}
- ${optionalString (v.authorizeClient != null) ''
- HiddenServiceAuthorizeClient ${v.authorizeClient.authType} ${concatStringsSep "," v.authorizeClient.clientNames}
- ''}
- ''))
- + cfg.extraConfig;
-
- torRcFile = pkgs.writeText "torrc" torRc;
-
+ mkValueString = k: v:
+ if v == null then ""
+ else if isBool v then
+ (if v then "1" else "0")
+ else if v ? "unix" && v.unix != null then
+ "unix:"+v.unix +
+ optionalString (v ? "flags") (" " + concatStringsSep " " v.flags)
+ else if v ? "port" && v.port != null then
+ optionalString (v ? "addr" && v.addr != null) "${v.addr}:" +
+ toString v.port +
+ optionalString (v ? "flags") (" " + concatStringsSep " " v.flags)
+ else if k == "ServerTransportPlugin" then
+ optionalString (v.transports != []) "${concatStringsSep "," v.transports} exec ${v.exec}"
+ else if k == "HidServAuth" then
+ concatMapStringsSep "\n${k} " (settings: settings.onion + " " settings.auth) v
+ else generators.mkValueStringDefault {} v;
+ genTorrc = settings:
+ generators.toKeyValue {
+ listsAsDuplicateKeys = true;
+ mkKeyValue = k: generators.mkKeyValueDefault { mkValueString = mkValueString k; } " " k;
+ }
+ (lib.mapAttrs (k: v:
+ # Not necesssary, but prettier rendering
+ if elem k [ "AutomapHostsSuffixes" "DirPolicy" "ExitPolicy" "SocksPolicy" ]
+ && v != []
+ then concatStringsSep "," v
+ else v)
+ (lib.filterAttrs (k: v: !(v == null || v == ""))
+ settings));
+ torrc = pkgs.writeText "torrc" (
+ genTorrc cfg.settings +
+ concatStrings (mapAttrsToList (name: onion:
+ "HiddenServiceDir ${onion.path}\n" +
+ genTorrc onion.settings) cfg.relay.onionServices)
+ );
in
{
imports = [
- (mkRenamedOptionModule [ "services" "tor" "relay" "portSpec" ] [ "services" "tor" "relay" "port" ])
+ (mkRenamedOptionModule [ "services" "tor" "relay" "accountingMax" ] [ "services" "tor" "settings" "AccountingMax" ])
+ (mkRenamedOptionModule [ "services" "tor" "relay" "accountingStart" ] [ "services" "tor" "settings" "AccountingStart" ])
+ (mkRenamedOptionModule [ "services" "tor" "relay" "address" ] [ "services" "tor" "settings" "Address" ])
+ (mkRenamedOptionModule [ "services" "tor" "relay" "bandwidthBurst" ] [ "services" "tor" "settings" "BandwidthBurst" ])
+ (mkRenamedOptionModule [ "services" "tor" "relay" "bandwidthRate" ] [ "services" "tor" "settings" "BandwidthRate" ])
+ (mkRenamedOptionModule [ "services" "tor" "relay" "bridgeTransports" ] [ "services" "tor" "settings" "ServerTransportPlugin" "transports" ])
+ (mkRenamedOptionModule [ "services" "tor" "relay" "contactInfo" ] [ "services" "tor" "settings" "ContactInfo" ])
+ (mkRenamedOptionModule [ "services" "tor" "relay" "exitPolicy" ] [ "services" "tor" "settings" "ExitPolicy" ])
(mkRemovedOptionModule [ "services" "tor" "relay" "isBridge" ] "Use services.tor.relay.role instead.")
(mkRemovedOptionModule [ "services" "tor" "relay" "isExit" ] "Use services.tor.relay.role instead.")
+ (mkRenamedOptionModule [ "services" "tor" "relay" "nickname" ] [ "services" "tor" "settings" "Nickname" ])
+ (mkRenamedOptionModule [ "services" "tor" "relay" "port" ] [ "services" "tor" "settings" "ORPort" ])
+ (mkRenamedOptionModule [ "services" "tor" "relay" "portSpec" ] [ "services" "tor" "settings" "ORPort" ])
+ (mkRemovedOptionModule [ "services" "tor" "extraConfig" ] "Plese use services.tor.settings instead.")
+ (mkRenamedOptionModule [ "services" "tor" "controlPort" ] [ "services" "tor" "settings" "ControlPort" ])
+ (mkRenamedOptionModule [ "services" "tor" "client" "socksPolicy" ] [ "services" "tor" "settings" "SocksPolicy" ])
+ (mkRemovedOptionModule [ "services" "tor" "client" "socksIsolationOptions" ] "Use services.tor.settings.SOCKSPort")
+ (mkRemovedOptionModule [ "services" "tor" "client" "listenAddress" ] "Use services.tor.settings.SOCKSPort instead.")
+ (mkRemovedOptionModule [ "services" "tor" "client" "listenAddressFaster" ] "Use services.tor.settings.SOCKSPort instead.")
+ (mkRemovedOptionModule [ "services" "tor" "client" "transparentProxy" "listenAddress" ] "Use services.tor.settings.TransPort instead.")
+ (mkRemovedOptionModule [ "services" "tor" "client" "transparentProxy" "isolationOptions" ] "Use services.tor.settings.TransPort instead.")
+ (mkRemovedOptionModule [ "services" "tor" "client" "dns" "listenAddress" ] "Use services.tor.settings.DNSPort instead.")
+ (mkRemovedOptionModule [ "services" "tor" "client" "dns" "isolationOptions" ] "Use services.tor.settings.DNSPort instead.")
+ (mkRenamedOptionModule [ "services" "tor" "client" "dns" "automapHostsSuffixes" ] [ "services" "tor" "settings" "AutomapHostsSuffixes" ])
+ (mkRenamedOptionModule [ "services" "tor" "hiddenServices" ] [ "services" "tor" "relay" "onionServices" ])
];
options = {
services.tor = {
enable = mkEnableOption ''Tor daemon.
By default, the daemon is run without
- relay, exit, bridge or client connectivity.
- '';
+ relay, exit, bridge or client connectivity'';
+
+ openFirewall = mkEnableOption "opening of the relay port(s) in the firewall";
package = mkOption {
type = types.package;
default = pkgs.tor;
defaultText = "pkgs.tor";
example = literalExample "pkgs.tor";
- description = ''
- Tor package to use
- '';
+ description = "Tor package to use.";
};
- enableGeoIP = mkOption {
- type = types.bool;
- default = true;
- description = ''
- Whenever to configure Tor daemon to use GeoIP databases.
-
- Disabling this will disable by-country statistics for
- bridges and relays and some client and third-party software
- functionality.
- '';
- };
+ enableGeoIP = mkEnableOption ''use of GeoIP databases.
+ Disabling this will disable by-country statistics for bridges and relays
+ and some client and third-party software functionality'' // { default = true; };
- extraConfig = mkOption {
- type = types.lines;
- default = "";
- description = ''
- Extra configuration. Contents will be added verbatim to the
- configuration file at the end.
- '';
- };
-
- controlPort = mkOption {
- type = types.nullOr (types.either types.int types.str);
- default = null;
- example = 9051;
- description = ''
- If set, Tor will accept connections on the specified port
- and allow them to control the tor process.
- '';
- };
-
- controlSocket = {
- enable = mkOption {
- type = types.bool;
- default = false;
- description = ''
- Whether to enable Tor control socket. Control socket is created
- in <literal>${torRunDirectory}/control</literal>
- '';
- };
- };
+ controlSocket.enable = mkEnableOption ''control socket,
+ created in <literal>${runDir}/control</literal>'';
client = {
- enable = mkOption {
- type = types.bool;
- default = false;
- description = ''
- Whether to enable Tor daemon to route application
- connections. You might want to disable this if you plan
- running a dedicated Tor relay.
- '';
- };
-
- socksListenAddress = mkOption {
- type = types.str;
- default = "127.0.0.1:9050";
- example = "192.168.0.1:9100";
- description = ''
- Bind to this address to listen for connections from
- Socks-speaking applications. Provides strong circuit
- isolation, separate circuit per IP address.
- '';
- };
-
- socksListenAddressFaster = mkOption {
- type = types.str;
- default = "127.0.0.1:9063";
- example = "192.168.0.1:9101";
- description = ''
- Bind to this address to listen for connections from
- Socks-speaking applications. Same as
- <option>socksListenAddress</option> but uses weaker
- circuit isolation to provide performance suitable for a
- web browser.
- '';
- };
-
- socksPolicy = mkOption {
- type = types.nullOr types.str;
- default = null;
- example = "accept 192.168.0.0/16, reject *";
- description = ''
- Entry policies to allow/deny SOCKS requests based on IP
- address. First entry that matches wins. If no SocksPolicy
- is set, we accept all (and only) requests from
- <option>socksListenAddress</option>.
- '';
- };
+ enable = mkEnableOption ''the routing of application connections.
+ You might want to disable this if you plan running a dedicated Tor relay'';
- socksIsolationOptions = mkOption (isolationOptions // {
- default = ["IsolateDestAddr"];
- });
-
- transparentProxy = {
- enable = mkOption {
- type = types.bool;
- default = false;
- description = "Whether to enable tor transparent proxy";
- };
-
- listenAddress = mkOption {
- type = types.str;
- default = "127.0.0.1:9040";
- example = "192.168.0.1:9040";
- description = ''
- Bind transparent proxy to this address.
- '';
- };
-
- isolationOptions = mkOption isolationOptions;
- };
-
- dns = {
- enable = mkOption {
- type = types.bool;
- default = false;
- description = "Whether to enable tor dns resolver";
- };
-
- listenAddress = mkOption {
- type = types.str;
- default = "127.0.0.1:9053";
- example = "192.168.0.1:9053";
- description = ''
- Bind tor dns to this address.
- '';
- };
-
- isolationOptions = mkOption isolationOptions;
-
- automapHostsSuffixes = mkOption {
- type = types.listOf types.str;
- default = [".onion" ".exit"];
- example = [".onion"];
- description = "List of suffixes to use with automapHostsOnResolve";
- };
- };
+ transparentProxy.enable = mkEnableOption "transparent proxy";
+ dns.enable = mkEnableOption "DNS resolver";
privoxy.enable = lib.mkEnableOption ''Privoxy system,
to use Tor's faster port, suitable for HTTP.
To have anonymity, protocols need to be scrubbed of identifying
information, and this can be accomplished for HTTP by Privoxy.
- Privoxy can also be useful for KDE torification. A good setup would be:
- setting SOCKS proxy to the default Tor port, providing maximum
- circuit isolation where possible; and setting HTTP proxy to Privoxy
- to route HTTP traffic over faster, but less isolated port.
+ Privoxy can also be useful for KDE torification. In this setup
+ SOCKS proxy is set to the default Tor port (9050), providing maximum
+ circuit isolation where possible; and HTTP proxy to Privoxy
+ to route HTTP traffic is set over a faster, but less isolated port (9063).
'';
+
+ onionServices = mkOption {
+ description = descriptionGeneric "HiddenServiceDir";
+ default = {};
+ example = {
+ "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" = {
+ clientAuthorizations = ["/run/keys/tor/alice.prv.x25519"];
+ };
+ };
+ type = types.attrsOf (types.submodule ({name, config, ...}: {
+ options.clientAuthorizations = mkOption {
+ description = ''
+ Clients' authorizations for a v3 hidden service,
+ as a list of files containing each one private key, in the format:
+ <screen>descriptor:x25519:<base32-private-key></screen>
+ '' + descriptionGeneric "_client_authorization";
+ type = with types; listOf path;
+ default = [];
+ example = ["/run/keys/tor/alice.prv.x25519"];
+ };
+ }));
+ };
};
relay = {
- enable = mkOption {
- type = types.bool;
- default = false;
- description = ''
- Whether to enable relaying TOR traffic for others.
+ enable = mkEnableOption ''relaying of Tor traffic for others.
- See <link xlink:href="https://www.torproject.org/docs/tor-doc-relay" />
- for details.
+ See <link xlink:href="https://www.torproject.org/docs/tor-doc-relay" />
+ for details.
- Setting this to true requires setting
- <option>services.tor.relay.role</option>
- and
- <option>services.tor.relay.port</option>
- options.
- '';
- };
+ Setting this to true requires setting
+ <option>services.tor.relay.role</option>
+ and
+ <option>services.tor.settings.ORPort</option>
+ options'';
role = mkOption {
type = types.enum [ "exit" "relay" "bridge" "private-bridge" ];
<important><para>
Running an exit relay may expose you to abuse
complaints. See
- <link xlink:href="https://www.torproject.org/faq.html.en#ExitPolicies" />
+ <link xlink:href="https://www.torproject.org/faq.html.en#ExitPolicies"/>
for more info.
</para></important>
<para>
You can specify which services Tor users may access via
- your exit relay using <option>exitPolicy</option> option.
+ your exit relay using <option>settings.ExitPolicy</option> option.
</para>
</listitem>
</varlistentry>
<important>
<para>
WARNING: THE FOLLOWING PARAGRAPH IS NOT LEGAL ADVICE.
- Consult with your lawer when in doubt.
+ Consult with your lawyer 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).
+ would be pretty insane as it would make ISP illegal).
</para>
</important>
<para>
Use this if you want to run a private bridge, for
- example because you'll give out your bridge address
+ example because you'll give out your bridge addr
manually to your friends.
</para>
'';
};
- bridgeTransports = mkOption {
- type = types.listOf types.str;
- default = ["obfs4"];
- example = ["obfs2" "obfs3" "obfs4" "scramblesuit"];
- description = "List of pluggable transports";
- };
-
- 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.
- '';
+ onionServices = mkOption {
+ description = descriptionGeneric "HiddenServiceDir";
+ default = {};
+ example = {
+ "example.org/www" = {
+ map = [ 80 ];
+ authorizedClients = [
+ "descriptor:x25519:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
+ ];
+ };
+ };
+ type = types.attrsOf (types.submodule ({name, config, ...}: {
+ options.path = mkOption {
+ type = types.path;
+ description = ''
+ Path where to store the data files of the hidden service.
+ If the <option>secretKey</option> is null
+ this defaults to <literal>${stateDir}/onion/$onion</literal>,
+ otherwise to <literal>${runDir}/onion/$onion</literal>.
+ '';
+ };
+ options.secretKey = mkOption {
+ type = with types; nullOr path;
+ default = null;
+ example = "/run/keys/tor/onion/expyuzz4wqqyqhjn/hs_ed25519_secret_key";
+ description = ''
+ Secret key of the onion service.
+ If null, Tor reuses any preexisting secret key (in <option>path</option>)
+ or generates a new one.
+ The associated public key and hostname are deterministically regenerated
+ from this file if they do not exist.
+ '';
+ };
+ options.authorizeClient = mkOption {
+ description = descriptionGeneric "HiddenServiceAuthorizeClient";
+ default = null;
+ type = types.nullOr (types.submodule ({...}: {
+ options = {
+ authType = mkOption {
+ type = types.enum [ "basic" "stealth" ];
+ description = ''
+ Either <literal>"basic"</literal> for a general-purpose authorization protocol
+ or <literal>"stealth"</literal> for a less scalable protocol
+ that also hides service activity from unauthorized clients.
+ '';
+ };
+ clientNames = mkOption {
+ type = with types; nonEmptyListOf (strMatching "[A-Za-z0-9+-_]+");
+ description = ''
+ Only clients that are listed here are authorized to access the hidden service.
+ Generated authorization data can be found in <filename>${stateDir}/onion/$name/hostname</filename>.
+ Clients need to put this authorization data in their configuration file using
+ <xref linkend="opt-services.tor.settings.HidServAuth"/>.
+ '';
+ };
+ };
+ }));
+ };
+ options.authorizedClients = mkOption {
+ description = ''
+ Authorized clients for a v3 hidden service,
+ as a list of public key, in the format:
+ <screen>descriptor:x25519:<base32-public-key></screen>
+ '' + descriptionGeneric "_client_authorization";
+ type = with types; listOf str;
+ default = [];
+ example = ["descriptor:x25519:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"];
+ };
+ options.map = mkOption {
+ description = descriptionGeneric "HiddenServicePort";
+ type = with types; listOf (oneOf [
+ port (submodule ({...}: {
+ options = {
+ port = optionPort;
+ target = mkOption {
+ default = null;
+ type = nullOr (submodule ({...}: {
+ options = {
+ unix = optionUnix;
+ addr = optionAddress;
+ port = optionPort;
+ };
+ }));
+ };
+ };
+ }))
+ ]);
+ apply = map (v: if isInt v then {port=v; target=null;} else v);
+ };
+ options.version = mkOption {
+ description = descriptionGeneric "HiddenServiceVersion";
+ type = with types; nullOr (enum [2 3]);
+ default = null;
+ };
+ options.settings = mkOption {
+ default = {};
+ type = types.submodule {
+ freeformType = with types;
+ (attrsOf (nullOr (oneOf [str int bool (listOf str)]))) // {
+ description = "settings option";
+ };
+ options.HiddenServiceAllowUnknownPorts = optionBool "HiddenServiceAllowUnknownPorts";
+ options.HiddenServiceDirGroupReadable = optionBool "HiddenServiceDirGroupReadable";
+ options.HiddenServiceExportCircuitID = mkOption {
+ description = descriptionGeneric "HiddenServiceExportCircuitID";
+ type = with types; nullOr (enum ["haproxy"]);
+ default = null;
+ };
+ options.HiddenServiceMaxStreams = mkOption {
+ description = descriptionGeneric "HiddenServiceMaxStreams";
+ type = with types; nullOr (ints.between 0 65535);
+ default = null;
+ };
+ options.HiddenServiceMaxStreamsCloseCircuit = optionBool "HiddenServiceMaxStreamsCloseCircuit";
+ options.HiddenServiceNumIntroductionPoints = mkOption {
+ description = descriptionGeneric "HiddenServiceNumIntroductionPoints";
+ type = with types; nullOr (ints.between 0 20);
+ default = null;
+ };
+ options.HiddenServiceSingleHopMode = optionBool "HiddenServiceSingleHopMode";
+ options.RendPostPeriod = optionString "RendPostPeriod";
+ };
+ };
+ config = {
+ path = mkDefault ((if config.secretKey == null then stateDir else runDir) + "/onion/${name}");
+ settings.HiddenServiceVersion = config.version;
+ settings.HiddenServiceAuthorizeClient =
+ if config.authorizeClient != null then
+ config.authorizeClient.authType + " " +
+ concatStringsSep "," config.authorizeClient.clientNames
+ else null;
+ settings.HiddenServicePort = map (p: mkValueString "" p.port + " " + mkValueString "" p.target) config.map;
+ };
+ }));
};
};
- hiddenServices = mkOption {
+ settings = 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 ${torDirectory} Tor
- daemon will generate random key pairs (which implies random
- onion addresses) on restart. The latter could take a while,
- please be patient.
-
- <note><para>
- Hidden services can be useful even if you don't intend to
- actually <emphasis>hide</emphasis> them, since they can
- also be seen as a kind of NAT traversal mechanism.
-
- E.g. the example will make your sshd, whatever runs on
- "8080" and your mail server available from anywhere where
- the Tor network is available (which, with the help from
- bridges, is pretty much everywhere), even if both client
- and server machines are behind NAT you have no control
- over.
- </para></note>
+ See <link xlink:href="https://2019.www.torproject.org/docs/tor-manual.html.en">torrc manual</link>
+ for documentation.
'';
default = {};
- example = literalExample ''
- { "my-hidden-service-example".map = [
- { port = 22; } # map ssh port to this machine's ssh
- { port = 80; toPort = 8080; } # map http port to whatever runs on 8080
- { port = "sip"; toHost = "mail.example.com"; toPort = "imap"; } # because we can
- ];
- }
- '';
- type = types.loaOf (types.submodule ({name, ...}: {
- options = {
-
- name = mkOption {
- type = types.str;
- description = ''
- Name of this tor hidden service.
-
- This is purely descriptive.
-
- After restarting Tor daemon you should be able to
- find your .onion address in
- <literal>${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 = "Rendezvous service descriptor version to publish for the hidden service. Currently, versions 2 and 3 are supported. (Default: 2)";
- type = types.nullOr (types.enum [ 2 3 ]);
- };
+ type = types.submodule {
+ freeformType = with types;
+ (attrsOf (nullOr (oneOf [str int bool (listOf str)]))) // {
+ description = "settings option";
+ };
+ options.Address = optionString "Address";
+ options.AssumeReachable = optionBool "AssumeReachable";
+ options.AccountingMax = optionBandwith "AccountingMax";
+ options.AccountingStart = optionString "AccountingStart";
+ options.AuthDirHasIPv6Connectivity = optionBool "AuthDirHasIPv6Connectivity";
+ options.AuthDirListBadExits = optionBool "AuthDirListBadExits";
+ options.AuthDirPinKeys = optionBool "AuthDirPinKeys";
+ options.AuthDirSharedRandomness = optionBool "AuthDirSharedRandomness";
+ options.AuthDirTestEd25519LinkKeys = optionBool "AuthDirTestEd25519LinkKeys";
+ options.AuthoritativeDirectory = optionBool "AuthoritativeDirectory";
+ options.AutomapHostsOnResolve = optionBool "AutomapHostsOnResolve";
+ options.AutomapHostsSuffixes = optionStrings "AutomapHostsSuffixes" // {
+ default = [".onion" ".exit"];
+ example = [".onion"];
};
-
- config = {
- name = mkDefault name;
+ options.BandwidthBurst = optionBandwith "BandwidthBurst";
+ options.BandwidthRate = optionBandwith "BandwidthRate";
+ options.BridgeAuthoritativeDir = optionBool "BridgeAuthoritativeDir";
+ options.BridgeRecordUsageByCountry = optionBool "BridgeRecordUsageByCountry";
+ options.BridgeRelay = optionBool "BridgeRelay" // { default = false; };
+ options.CacheDirectory = optionPath "CacheDirectory";
+ options.CacheDirectoryGroupReadable = optionBool "CacheDirectoryGroupReadable"; # default is null and like "auto"
+ options.CellStatistics = optionBool "CellStatistics";
+ options.ClientAutoIPv6ORPort = optionBool "ClientAutoIPv6ORPort";
+ options.ClientDNSRejectInternalAddresses = optionBool "ClientDNSRejectInternalAddresses";
+ options.ClientOnionAuthDir = mkOption {
+ description = descriptionGeneric "ClientOnionAuthDir";
+ default = null;
+ type = with types; nullOr path;
+ };
+ options.ClientPreferIPv6DirPort = optionBool "ClientPreferIPv6DirPort"; # default is null and like "auto"
+ options.ClientPreferIPv6ORPort = optionBool "ClientPreferIPv6ORPort"; # default is null and like "auto"
+ options.ClientRejectInternalAddresses = optionBool "ClientRejectInternalAddresses";
+ options.ClientUseIPv4 = optionBool "ClientUseIPv4";
+ options.ClientUseIPv6 = optionBool "ClientUseIPv6";
+ options.ConnDirectionStatistics = optionBool "ConnDirectionStatistics";
+ options.ConstrainedSockets = optionBool "ConstrainedSockets";
+ options.ContactInfo = optionString "ContactInfo";
+ options.ControlPort = mkOption rec {
+ description = descriptionGeneric "ControlPort";
+ default = [];
+ example = [{port = 9051;}];
+ type = with types; oneOf [port (enum ["auto"]) (listOf (oneOf [
+ port (enum ["auto"]) (submodule ({config, ...}: let
+ flags = ["GroupWritable" "RelaxDirModeCheck" "WorldWritable"];
+ in {
+ options = {
+ unix = optionUnix;
+ flags = optionFlags;
+ addr = optionAddress;
+ port = optionPort;
+ } // genAttrs flags (name: mkOption { type = types.bool; default = false; });
+ config = {
+ flags = filter (name: config.${name} == true) flags;
+ };
+ }))
+ ]))];
+ };
+ options.ControlPortFileGroupReadable= optionBool "ControlPortFileGroupReadable";
+ options.ControlPortWriteToFile = optionPath "ControlPortWriteToFile";
+ options.ControlSocket = optionPath "ControlSocket";
+ options.ControlSocketsGroupWritable = optionBool "ControlSocketsGroupWritable";
+ options.CookieAuthFile = optionPath "CookieAuthFile";
+ options.CookieAuthFileGroupReadable = optionBool "CookieAuthFileGroupReadable";
+ options.CookieAuthentication = optionBool "CookieAuthentication";
+ options.DataDirectory = optionPath "DataDirectory" // { default = stateDir; };
+ options.DataDirectoryGroupReadable = optionBool "DataDirectoryGroupReadable";
+ options.DirPortFrontPage = optionPath "DirPortFrontPage";
+ options.DirAllowPrivateAddresses = optionBool "DirAllowPrivateAddresses";
+ options.DormantCanceledByStartup = optionBool "DormantCanceledByStartup";
+ options.DormantOnFirstStartup = optionBool "DormantOnFirstStartup";
+ options.DormantTimeoutDisabledByIdleStreams = optionBool "DormantTimeoutDisabledByIdleStreams";
+ options.DirCache = optionBool "DirCache";
+ options.DirPolicy = mkOption {
+ description = descriptionGeneric "DirPolicy";
+ type = with types; listOf str;
+ default = [];
+ example = ["accept *:*"];
};
- }));
+ options.DirPort = optionORPort "DirPort";
+ options.DirReqStatistics = optionBool "DirReqStatistics";
+ options.DisableAllSwap = optionBool "DisableAllSwap";
+ options.DisableDebuggerAttachment = optionBool "DisableDebuggerAttachment";
+ options.DisableNetwork = optionBool "DisableNetwork";
+ options.DisableOOSCheck = optionBool "DisableOOSCheck";
+ options.DNSPort = optionIsolablePorts "DNSPort";
+ options.DoSCircuitCreationEnabled = optionBool "DoSCircuitCreationEnabled";
+ options.DoSConnectionEnabled = optionBool "DoSConnectionEnabled"; # default is null and like "auto"
+ options.DoSRefuseSingleHopClientRendezvous = optionBool "DoSRefuseSingleHopClientRendezvous";
+ options.DownloadExtraInfo = optionBool "DownloadExtraInfo";
+ options.EnforceDistinctSubnets = optionBool "EnforceDistinctSubnets";
+ options.EntryStatistics = optionBool "EntryStatistics";
+ options.ExitPolicy = optionStrings "ExitPolicy" // {
+ default = ["reject *:*"];
+ example = ["accept *:*"];
+ };
+ options.ExitPolicyRejectLocalInterfaces = optionBool "ExitPolicyRejectLocalInterfaces";
+ options.ExitPolicyRejectPrivate = optionBool "ExitPolicyRejectPrivate";
+ options.ExitPortStatistics = optionBool "ExitPortStatistics";
+ options.ExitRelay = optionBool "ExitRelay"; # default is null and like "auto"
+ options.ExtORPort = mkOption {
+ description = descriptionGeneric "ExtORPort";
+ default = null;
+ type = with types; nullOr (oneOf [
+ port (enum ["auto"]) (submodule ({...}: {
+ options = {
+ addr = optionAddress;
+ port = optionPort;
+ };
+ }))
+ ]);
+ apply = p: if isInt p || isString p then { port = p; } else p;
+ };
+ options.ExtORPortCookieAuthFile = optionPath "ExtORPortCookieAuthFile";
+ options.ExtORPortCookieAuthFileGroupReadable = optionBool "ExtORPortCookieAuthFileGroupReadable";
+ options.ExtendAllowPrivateAddresses = optionBool "ExtendAllowPrivateAddresses";
+ options.ExtraInfoStatistics = optionBool "ExtraInfoStatistics";
+ options.FascistFirewall = optionBool "FascistFirewall";
+ options.FetchDirInfoEarly = optionBool "FetchDirInfoEarly";
+ options.FetchDirInfoExtraEarly = optionBool "FetchDirInfoExtraEarly";
+ options.FetchHidServDescriptors = optionBool "FetchHidServDescriptors";
+ options.FetchServerDescriptors = optionBool "FetchServerDescriptors";
+ options.FetchUselessDescriptors = optionBool "FetchUselessDescriptors";
+ options.ReachableAddresses = optionStrings "ReachableAddresses";
+ options.ReachableDirAddresses = optionStrings "ReachableDirAddresses";
+ options.ReachableORAddresses = optionStrings "ReachableORAddresses";
+ options.GeoIPFile = optionPath "GeoIPFile";
+ options.GeoIPv6File = optionPath "GeoIPv6File";
+ options.GuardfractionFile = optionPath "GuardfractionFile";
+ options.HidServAuth = mkOption {
+ description = descriptionGeneric "HidServAuth";
+ default = [];
+ type = with types; listOf (oneOf [
+ (submodule ({config, ...}: {
+ options = {
+ onion = mkOption {
+ type = strMatching "[a-z2-7]{16}(\\.onion)?";
+ example = "xxxxxxxxxxxxxxxx.onion";
+ };
+ auth = mkOption {
+ type = strMatching "[A-Za-z0-9+/]{22}";
+ };
+ };
+ }))
+ ]);
+ };
+ options.HiddenServiceNonAnonymousMode = optionBool "HiddenServiceNonAnonymousMode";
+ options.HiddenServiceStatistics = optionBool "HiddenServiceStatistics";
+ options.HSLayer2Nodes = optionStrings "HSLayer2Nodes";
+ options.HSLayer3Nodes = optionStrings "HSLayer3Nodes";
+ options.HTTPTunnelPort = optionIsolablePorts "HTTPTunnelPort";
+ options.IPv6Exit = optionBool "IPv6Exit";
+ options.KeyDirectory = optionPath "KeyDirectory";
+ options.KeyDirectoryGroupReadable = optionBool "KeyDirectoryGroupReadable";
+ options.LogMessageDomains = optionBool "LogMessageDomains";
+ options.LongLivedPorts = optionPorts "LongLivedPorts";
+ options.MainloopStats = optionBool "MainloopStats";
+ options.MaxAdvertisedBandwidth = optionBandwith "MaxAdvertisedBandwidth";
+ options.MaxCircuitDirtiness = optionInt "MaxCircuitDirtiness";
+ options.MaxClientCircuitsPending = optionInt "MaxClientCircuitsPending";
+ options.NATDPort = optionIsolablePorts "NATDPort";
+ options.NewCircuitPeriod = optionInt "NewCircuitPeriod";
+ options.Nickname = optionString "Nickname";
+ options.ORPort = optionORPort "ORPort";
+ options.OfflineMasterKey = optionBool "OfflineMasterKey";
+ options.OptimisticData = optionBool "OptimisticData"; # default is null and like "auto"
+ options.PaddingStatistics = optionBool "PaddingStatistics";
+ options.PerConnBWBurst = optionBandwith "PerConnBWBurst";
+ options.PerConnBWRate = optionBandwith "PerConnBWRate";
+ options.PidFile = optionPath "PidFile";
+ options.ProtocolWarnings = optionBool "ProtocolWarnings";
+ options.PublishHidServDescriptors = optionBool "PublishHidServDescriptors";
+ options.PublishServerDescriptor = mkOption {
+ description = descriptionGeneric "PublishServerDescriptor";
+ type = with types; nullOr (enum [false true 0 1 "0" "1" "v3" "bridge"]);
+ default = null;
+ };
+ options.ReducedExitPolicy = optionBool "ReducedExitPolicy";
+ options.RefuseUnknownExits = optionBool "RefuseUnknownExits"; # default is null and like "auto"
+ options.RejectPlaintextPorts = optionPorts "RejectPlaintextPorts";
+ options.RelayBandwidthBurst = optionBandwith "RelayBandwidthBurst";
+ options.RelayBandwidthRate = optionBandwith "RelayBandwidthRate";
+ #options.RunAsDaemon
+ options.Sandbox = optionBool "Sandbox";
+ options.ServerDNSAllowBrokenConfig = optionBool "ServerDNSAllowBrokenConfig";
+ options.ServerDNSAllowNonRFC953Hostnames = optionBool "ServerDNSAllowNonRFC953Hostnames";
+ options.ServerDNSDetectHijacking = optionBool "ServerDNSDetectHijacking";
+ options.ServerDNSRandomizeCase = optionBool "ServerDNSRandomizeCase";
+ options.ServerDNSResolvConfFile = optionPath "ServerDNSResolvConfFile";
+ options.ServerDNSSearchDomains = optionBool "ServerDNSSearchDomains";
+ options.ServerTransportPlugin = mkOption {
+ description = descriptionGeneric "ServerTransportPlugin";
+ default = null;
+ type = with types; nullOr (submodule ({...}: {
+ options = {
+ transports = mkOption {
+ description = "List of pluggable transports";
+ type = listOf str;
+ example = ["obfs2" "obfs3" "obfs4" "scramblesuit"];
+ };
+ exec = mkOption {
+ type = types.str;
+ };
+ };
+ }));
+ };
+ options.SocksPolicy = optionStrings "SocksPolicy" // {
+ example = ["accept *:*"];
+ };
+ options.SOCKSPort = mkOption {
+ description = descriptionGeneric "SOCKSPort";
+ default = if cfg.settings.HiddenServiceNonAnonymousMode == true then [{port = 0;}] else [];
+ example = [{port = 9090;}];
+ type = types.listOf optionSOCKSPort;
+ };
+ options.TestingTorNetwork = optionBool "TestingTorNetwork";
+ options.TransPort = optionIsolablePorts "TransPort";
+ options.TransProxyType = mkOption {
+ description = descriptionGeneric "TransProxyType";
+ type = with types; nullOr (enum ["default" "TPROXY" "ipfw" "pf-divert"]);
+ default = null;
+ };
+ #options.TruncateLogFile
+ options.UnixSocksGroupWritable = optionBool "UnixSocksGroupWritable";
+ options.UseDefaultFallbackDirs = optionBool "UseDefaultFallbackDirs";
+ options.UseMicrodescriptors = optionBool "UseMicrodescriptors";
+ options.V3AuthUseLegacyKey = optionBool "V3AuthUseLegacyKey";
+ options.V3AuthoritativeDirectory = optionBool "V3AuthoritativeDirectory";
+ options.VersioningAuthoritativeDirectory = optionBool "VersioningAuthoritativeDirectory";
+ options.VirtualAddrNetworkIPv4 = optionString "VirtualAddrNetworkIPv4";
+ options.VirtualAddrNetworkIPv6 = optionString "VirtualAddrNetworkIPv6";
+ options.WarnPlaintextPorts = optionPorts "WarnPlaintextPorts";
+ };
};
};
};
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 != {})
+ warnings = optional (cfg.settings.BridgeRelay &&
+ flatten (mapAttrsToList (n: o: o.map) cfg.relay.onionServices) != [])
''
Running Tor hidden services on a public relay makes the
presence of hidden services visible through simple statistical
analysis of publicly available data.
+ See https://trac.torproject.org/projects/tor/ticket/8742
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.
- '';
+ '' ++
+ flatten (mapAttrsToList (n: o:
+ optional (o.settings.HiddenServiceVersion == 2) [
+ (optional (o.settings.HiddenServiceExportCircuitID != null) ''
+ HiddenServiceExportCircuitID is used in the HiddenService: ${n}
+ but this option is only for v3 hidden services.
+ '')
+ ] ++
+ optional (o.settings.HiddenServiceVersion != 2) [
+ (optional (o.settings.HiddenServiceAuthorizeClient != null) ''
+ HiddenServiceAuthorizeClient is used in the HiddenService: ${n}
+ but this option is only for v2 hidden services.
+ '')
+ (optional (o.settings.RendPostPeriod != null) ''
+ RendPostPeriod is used in the HiddenService: ${n}
+ but this option is only for v2 hidden services.
+ '')
+ ]
+ ) cfg.relay.onionServices);
users.groups.tor.gid = config.ids.gids.tor;
users.users.tor =
{ description = "Tor Daemon User";
createHome = true;
- home = torDirectory;
+ home = stateDir;
group = "tor";
uid = config.ids.uids.tor;
};
- systemd.services.tor =
- { description = "Tor Daemon";
- path = [ pkgs.tor ];
-
- wantedBy = [ "multi-user.target" ];
- after = [ "network.target" ];
- restartTriggers = [ torRcFile ];
-
- serviceConfig = {
- Type = "simple";
- User = "tor";
- Group = "tor";
- #DynamicUser = true;
- # Translated from the upstream contrib/dist/tor.service.in
- ExecStartPre = "${cfg.package}/bin/tor -f ${torRcFile} --verify-config";
- ExecStart = "${cfg.package}/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 = true;
- StateDirectoryMode = "0700";
- StateDirectory = ["tor" "tor/onion"];
- RuntimeDirectory = ["tor"];
- RuntimeDirectoryMode = "0750";
-
- AmbientCapabilities = [""] ++ lib.optional (cfg.relay.port < 1024) "CAP_NET_BIND_SERVICE";
- CapabilityBoundingSet = [""] ++ lib.optional (cfg.relay.port < 1024) "CAP_NET_BIND_SERVICE";
- /*
- # ProtectClock= adds DeviceAllow=char-rtc r
- DeviceAllow = "";
- LockPersonality = true;
- MemoryDenyWriteExecute = true;
- NoNewPrivileges = true;
- PrivateDevices = true;
- PrivateMounts = true;
- PrivateNetwork = mkDefault false;
- PrivateTmp = true;
- PrivateUsers = true;
- ProtectClock = true;
- ProtectControlGroups = true;
- # ProtectHome=true would not allow BindPaths= to work accross /home,
- # and ProtectHome=tmpfs would break statfs(),
- # preventing transmission-daemon to report the available free space.
- # However, RootDirectory= is used, so this is not a security concern
- # since there would be nothing in /home but any BindPaths= wanted by the user.
- ProtectHome = "read-only";
- ProtectHostname = true;
- ProtectKernelLogs = true;
- ProtectKernelModules = true;
- ProtectKernelTunables = true;
- ProtectSystem = "strict";
- RemoveIPC = true;
- # AF_UNIX may become usable one day:
- # https://github.com/transmission/transmission/issues/441
- RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" ];
- RestrictNamespaces = true;
- RestrictRealtime = true;
- RestrictSUIDSGID = true;
- SystemCallFilter = [
- "@system-service"
- # Groups in @system-service which do not contain a syscall
- # listed by perf stat -e 'syscalls:sys_enter_*' transmission-daemon -f
- # in tests, and seem likely not necessary for transmission-daemon.
- "~@aio" "~@chown" "~@keyring" "~@memlock" "~@resources" "~@setuid" "~@timer"
- # In the @privileged group, but reached when querying infos through RPC (eg. with stig).
- "quotactl"
+ services.tor.settings = mkMerge [
+ (mkIf cfg.enableGeoIP {
+ GeoIPFile = "${cfg.package.geoip}/share/tor/geoip";
+ GeoIPv6File = "${cfg.package.geoip}/share/tor/geoip6";
+ })
+ (mkIf cfg.controlSocket.enable {
+ ControlPort = [ { unix = runDir + "/control"; GroupWritable=true; RelaxDirModeCheck=true; } ];
+ })
+ (mkIf cfg.relay.enable (
+ optionalAttrs (cfg.relay.role != "exit") {
+ ExitPolicy = mkForce ["reject *:*"];
+ } //
+ optionalAttrs (elem cfg.relay.role ["bridge" "private-bridge"]) {
+ BridgeRelay = true;
+ ExtORPort.port = mkDefault "auto";
+ ServerTransportPlugin.transports = mkDefault ["obfs4"];
+ ServerTransportPlugin.exec = mkDefault "${pkgs.obfs4}/bin/obfs4proxy managed";
+ } // optionalAttrs (cfg.relay.role == "private-bridge") {
+ ExtraInfoStatistics = false;
+ PublishServerDescriptor = false;
+ }
+ ))
+ (mkIf (!cfg.relay.enable) {
+ # Avoid surprises when leaving ORPort/DirPort configurations in cfg.settings,
+ # because it would still enable Tor as a relay,
+ # which can trigger all sort of problems when not carefully done,
+ # like the blocklisting of the machine's IP addresses
+ # by some hosting providers...
+ DirPort = mkForce [];
+ ORPort = mkForce [];
+ PublishServerDescriptor = mkForce false;
+ })
+ (mkIf cfg.client.enable (
+ { SOCKSPort = [
+ { addr = "127.0.0.1"; port = 9050; IsolateDestAddr = true; }
+ { addr = "127.0.0.1"; port = 9063; }
];
- SystemCallArchitectures = "native";
- SystemCallErrorNumber = "EPERM";
- */
- };
+ } // optionalAttrs cfg.client.transparentProxy.enable {
+ TransPort = [{ addr = "127.0.0.1"; port = 9040; }];
+ } // optionalAttrs cfg.client.dns.enable {
+ DNSPort = [{ addr = "127.0.0.1"; port = 9053; }];
+ AutomapHostsOnResolve = true;
+ AutomapHostsSuffixes = cfg.client.dns.automapHostsSuffixes;
+ } // optionalAttrs (flatten (mapAttrsToList (n: o: o.clientAuthorizations) cfg.client.onionServices) != []) {
+ ClientOnionAuthDir = runDir + "/ClientOnionAuthDir";
+ }
+ ))
+ ];
+
+ networking.firewall = mkIf cfg.openFirewall {
+ allowedTCPPorts =
+ concatMap (o: optional (isInt o && o > 0 || o ? "port" && isInt o.port && o.port > 0) o.port)
+ (flatten [
+ cfg.settings.ORPort
+ cfg.settings.DirPort
+ ]);
+ };
+
+ systemd.services.tor = {
+ description = "Tor Daemon";
+ path = [ pkgs.tor ];
+
+ wantedBy = [ "multi-user.target" ];
+ after = [ "network.target" ];
+ restartTriggers = [ torrc ];
+
+ serviceConfig = {
+ Type = "simple";
+ User = "tor";
+ Group = "tor";
+ ExecStartPre = [
+ "${cfg.package}/bin/tor -f ${torrc} --verify-config"
+ # DOC: Appendix G of https://spec.torproject.org/rend-spec-v3
+ ("+" + pkgs.writeShellScript "ExecStartPre" (concatStringsSep "\n" (flatten (["set -eu"] ++
+ mapAttrsToList (name: onion:
+ optional (onion.authorizedClients != []) ''
+ rm -rf '${onion.path}/authorized_clients'
+ install -d -o tor -g tor -m 0700 '${onion.path}' '${onion.path}/authorized_clients'
+ '' ++
+ imap0 (i: pubKey: ''
+ echo ${pubKey} |
+ install -o tor -g tor -m 0400 /dev/stdin '${onion.path}/authorized_clients/${toString i}.auth'
+ '') onion.authorizedClients ++
+ optional (onion.secretKey != null) ''
+ install -d -o tor -g tor -m 0700 '${onion.path}'
+ key="$(cut -f1 -d: '${onion.secretKey}')"
+ case "$key" in
+ ("== ed25519v"*"-secret")
+ install -o tor -g tor -m 0400 '${onion.secretKey}' '${onion.path}/hs_ed25519_secret_key';;
+ (*) echo >&2 "NixOS does not (yet) support secret key type for onion: ${name}"; exit 1;;
+ esac
+ ''
+ ) cfg.relay.onionServices ++
+ mapAttrsToList (name: onion: imap0 (i: prvKeyPath:
+ let hostname = removeSuffix ".onion" name; in ''
+ printf "%s:" "${hostname}" | cat - '${prvKeyPath}' |
+ install -o tor -g tor -m 0700 /dev/stdin \
+ ${runDir}/ClientOnionAuthDir/${hostname}.${toString i}.auth_private
+ '') onion.clientAuthorizations)
+ cfg.client.onionServices
+ ))))
+ ];
+ ExecStart = "${cfg.package}/bin/tor -f ${torrc}";
+ ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
+ KillSignal = "SIGINT";
+ TimeoutSec = 30;
+ Restart = "on-failure";
+ LimitNOFILE = 32768;
+ RuntimeDirectory = [
+ # g+x allows access to the control socket
+ "tor"
+ "tor/mnt-root"
+ # g+x can't be removed in ExecStart=, but will be removed by Tor
+ "tor/ClientOnionAuthDir"
+ ];
+ RuntimeDirectoryMode = "0710";
+ StateDirectoryMode = "0700";
+ StateDirectory = [
+ "tor"
+ "tor/onion"
+ ] ++
+ flatten (mapAttrsToList (name: onion:
+ optional (onion.secretKey == null) "tor/onion/${name}"
+ ) cfg.relay.onionServices);
+ # The following options are only to optimize:
+ # systemd-analyze security tor
+ RootDirectory = runDir + "/mnt-root";
+ RootDirectoryStartOnly = true;
+ #InaccessiblePaths = [ "-+${runDir}/mnt-root" ];
+ UMask = "0066";
+ BindPaths = [ stateDir ];
+ BindReadOnlyPaths = [ storeDir "/etc" ];
+ AmbientCapabilities = [""] ++ lib.optional bindsPrivilegedPort "CAP_NET_BIND_SERVICE";
+ CapabilityBoundingSet = [""] ++ lib.optional bindsPrivilegedPort "CAP_NET_BIND_SERVICE";
+ # ProtectClock= adds DeviceAllow=char-rtc r
+ DeviceAllow = "";
+ LockPersonality = true;
+ MemoryDenyWriteExecute = true;
+ NoNewPrivileges = true;
+ PrivateDevices = true;
+ PrivateMounts = true;
+ PrivateNetwork = mkDefault false;
+ PrivateTmp = true;
+ # Tor cannot currently bind privileged port when PrivateUsers=true,
+ # see https://gitlab.torproject.org/legacy/trac/-/issues/20930
+ PrivateUsers = !bindsPrivilegedPort;
+ ProtectClock = true;
+ ProtectControlGroups = true;
+ ProtectHome = true;
+ ProtectHostname = true;
+ ProtectKernelLogs = true;
+ ProtectKernelModules = true;
+ ProtectKernelTunables = true;
+ ProtectSystem = "strict";
+ RemoveIPC = true;
+ RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" ];
+ RestrictNamespaces = true;
+ RestrictRealtime = true;
+ RestrictSUIDSGID = true;
+ # See also the finer but experimental option settings.Sandbox
+ SystemCallFilter = [
+ "@system-service"
+ # Groups in @system-service which do not contain a syscall
+ # listed by perf stat -e 'syscalls:sys_enter_*' tor
+ # in tests, and seem likely not necessary for tor.
+ "~@aio" "~@chown" "~@keyring" "~@memlock" "~@resources" "~@setuid" "~@timer"
+ ];
+ SystemCallArchitectures = "native";
+ SystemCallErrorNumber = "EPERM";
};
+ };
environment.systemPackages = [ cfg.package ];
services.privoxy = mkIf (cfg.client.enable && cfg.client.privoxy.enable) {
enable = true;
extraConfig = ''
- forward-socks4a / ${cfg.client.socksListenAddressFaster} .
- toggle 1
+ forward-socks5t / ${mkValueString "" { addr = "127.0.0.1"; port = 9063; }} .
+ toggle 1
enable-remote-toggle 0
enable-edit-actions 0
enable-remote-http-toggle 0
'';
};
};
+
+ meta.maintainers = with lib.maintainers; [ julm ];
}