336 lines
8.5 KiB
Nix
336 lines
8.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.i2pd;
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homeDir = "/var/lib/i2pd";
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extip = "EXTIP=\$(${pkgs.curl}/bin/curl -sf \"http://jsonip.com\" | ${pkgs.gawk}/bin/awk -F'\"' '{print $4}')";
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toOneZero = b: if b then "1" else "0";
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i2pdConf = pkgs.writeText "i2pd.conf" ''
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v6 = ${toOneZero cfg.enableIPv6}
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unreachable = ${toOneZero cfg.unreachable}
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floodfill = ${toOneZero cfg.floodfill}
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${if isNull cfg.port then "" else "port = ${toString cfg.port}"}
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httpproxyport = ${toString cfg.proxy.httpPort}
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socksproxyport = ${toString cfg.proxy.socksPort}
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ircaddress = ${cfg.irc.host}
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ircport = ${toString cfg.irc.port}
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ircdest = ${cfg.irc.dest}
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irckeys = ${cfg.irc.keyFile}
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eepport = ${toString cfg.eep.port}
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${if isNull cfg.sam.port then "" else "--samport=${toString cfg.sam.port}"}
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eephost = ${cfg.eep.host}
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eepkeys = ${cfg.eep.keyFile}
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'';
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i2pdTunnelConf = pkgs.writeText "i2pd-tunnels.conf" ''
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${flip concatMapStrings
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(collect (tun: tun ? port && tun ? destination) cfg.outTunnels)
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(tun: let portStr = toString tun.port; in ''
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[${tun.name}]
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type = client
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destination = ${tun.destination}
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keys = ${tun.keys}
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address = ${tun.address}
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port = ${toString tun.port}
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'')
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}
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${flip concatMapStrings
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(collect (tun: tun ? port && tun ? host) cfg.outTunnels)
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(tun: let portStr = toString tun.port; in ''
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[${tun.name}]
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type = server
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destination = ${tun.destination}
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keys = ${tun.keys}
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host = ${tun.address}
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port = ${tun.port}
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inport = ${tun.inPort}
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accesslist = ${concatStringSep "," tun.accessList}
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'')
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}
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'';
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i2pdSh = pkgs.writeScriptBin "i2pd" ''
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#!/bin/sh
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${if isNull cfg.extIp then extip else ""}
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${pkgs.i2pd}/bin/i2pd --log=1 --daemon=0 --service=0 \
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--host=${if isNull cfg.extIp then "$EXTIP" else cfg.extIp} \
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--conf=${i2pdConf} \
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--tunnelscfg=${i2pdTunnelConf}
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'';
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in
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{
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###### interface
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options = {
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services.i2pd = {
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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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Enables I2Pd as a running service upon activation.
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'';
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};
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extIp = mkOption {
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type = with types; nullOr str;
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default = null;
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description = ''
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Your external IP.
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'';
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};
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unreachable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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If the router is declared to be unreachable and needs introduction nodes.
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'';
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};
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floodfill = mkOption {
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type = types.bool;
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default = false;
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description = ''
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If the router is declared to be unreachable and needs introduction nodes.
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'';
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};
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port = mkOption {
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type = with types; nullOr int;
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default = null;
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description = ''
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I2P listen port. If no one is given the router will pick between 9111 and 30777.
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'';
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};
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enableIPv6 = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enables IPv6 connectivity. Disabled by default.
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'';
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};
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http = {
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port = mkOption {
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type = types.int;
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default = 7070;
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description = ''
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HTTP listen port.
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'';
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};
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};
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proxy = {
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httpPort = mkOption {
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type = types.int;
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default = 4446;
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description = ''
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HTTP proxy listen port.
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'';
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};
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socksPort = mkOption {
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type = types.int;
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default = 4447;
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description = ''
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SOCKS proxy listen port.
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'';
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};
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};
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irc = {
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host = mkOption {
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type = types.str;
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default = "127.0.0.1";
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description = ''
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Address to forward incoming traffic to. 127.0.0.1 by default.
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'';
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};
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dest = mkOption {
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type = types.str;
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default = "irc.postman.i2p";
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description = ''
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Destination I2P tunnel endpoint address of IRC server. irc.postman.i2p by default.
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'';
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};
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port = mkOption {
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type = types.int;
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default = 6668;
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description = ''
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Local IRC tunnel endoint port to listen on. 6668 by default.
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'';
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};
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keyFile = mkOption {
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type = types.str;
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default = "privKeys.dat";
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description = ''
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File name containing destination keys. privKeys.dat by default.
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'';
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};
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};
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eep = {
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host = mkOption {
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type = types.str;
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default = "127.0.0.1";
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description = ''
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Address to forward incoming traffic to. 127.0.0.1 by default.
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'';
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};
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port = mkOption {
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type = types.int;
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default = 80;
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description = ''
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Port to forward incoming traffic to. 80 by default.
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'';
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};
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keyFile = mkOption {
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type = types.str;
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default = "privKeys.dat";
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description = ''
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File name containing destination keys. privKeys.dat by default.
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'';
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};
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};
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sam = {
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port = mkOption {
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type = with types; nullOr int;
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default = null;
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description = ''
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Local SAM tunnel endpoint. Usually 7656. SAM is disabled if not specified.
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'';
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};
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};
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outTunnels = mkOption {
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default = {};
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type = with types; loaOf optionSet;
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description = ''
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'';
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options = [ ({ name, config, ... }: {
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options = {
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name = mkOption {
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type = types.str;
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description = "The name of the tunnel.";
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};
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destination = mkOption {
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type = types.str;
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description = "Remote endpoint, I2P hostname or b32.i2p address.";
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};
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keys = mkOption {
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type = types.str;
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default = name + "-keys.dat";
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description = "Keyset used for tunnel identity.";
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};
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address = mkOption {
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type = types.str;
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default = "127.0.0.1";
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description = "Local bind address for tunnel.";
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};
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port = mkOption {
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type = types.int;
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default = 0;
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description = "Local tunnel listen port.";
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};
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};
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config = {
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name = mkDefault name;
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};
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}) ];
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};
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inTunnels = mkOption {
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default = {};
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type = with types; loaOf optionSet;
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description = ''
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'';
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options = [ ({ name, config, ... }: {
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options = {
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name = mkOption {
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type = types.str;
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description = "The name of the tunnel.";
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};
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keys = mkOption {
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type = types.path;
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default = name + "-keys.dat";
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description = "Keyset used for tunnel identity.";
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};
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address = mkOption {
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type = types.str;
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default = "127.0.0.1";
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description = "Local service IP address.";
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};
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port = mkOption {
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type = types.int;
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default = 0;
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description = "Local tunnel listen port.";
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};
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inPort = mkOption {
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type = types.int;
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default = 0;
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description = "I2P service port. Default to the tunnel's listen port.";
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};
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accessList = mkOption {
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type = with types; listOf str;
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default = [];
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description = "I2P nodes that are allowed to connect to this service.";
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};
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};
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config = {
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name = mkDefault name;
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};
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}) ];
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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users.extraUsers.i2pd = {
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group = "i2pd";
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description = "I2Pd User";
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home = homeDir;
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createHome = true;
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uid = config.ids.uids.i2pd;
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};
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users.extraGroups.i2pd.gid = config.ids.gids.i2pd;
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systemd.services.i2pd = {
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description = "Minimal I2P router";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig =
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{
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User = "i2pd";
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WorkingDirectory = homeDir;
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Restart = "on-abort";
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ExecStart = "${i2pdSh}/bin/i2pd";
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};
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};
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};
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}
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