421 lines
11 KiB
Nix
421 lines
11 KiB
Nix
{ config, pkgs, lib, ... }:
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let
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inherit (builtins) head concatStringsSep attrValues mapAttrs; # hasAttr;
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inherit (lib.attrsets) filterAttrsRecursive;
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pubKeys = [
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIO7v+/xS8832iMqJHCWsxUZ8zYoMWoZhjj++e26g1fLT europa"
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];
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userBase = { openssh.authorizedKeys.keys = pubKeys; };
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wan = "enp5s0f0";
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trunk = "enp5s0f1";
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dnsServers = [ "45.90.28.147" "45.90.30.147" ];
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interfaces = {
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"${wan}" = { useDHCP = true; };
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"${trunk}" = rec {
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ipv4.addresses = [{
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address = "10.99.99.1";
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prefixLength = 24;
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}];
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info = rec {
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description = "Management";
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route = false;
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router = "${(head ipv4.addresses).address}";
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netmask = "255.255.255.0";
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net = "10.99.99.0";
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start = "10.99.99.100";
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end = "10.99.99.150";
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network = "${net}/${toString (head ipv4.addresses).prefixLength}";
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staticIPs = [
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{
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name = "doublemint";
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mac = "74:83:c2:19:9e:51";
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address = "10.99.99.54";
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}
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{
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name = "switch0";
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mac = "18:e8:29:b5:48:15";
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address = "10.99.99.4";
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}
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{
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name = "switch1";
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mac = "fc:ec:da:4e:2e:51";
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address = "10.99.99.5";
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}
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{
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name = "switch2";
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mac = "fc:ec:da:d4:10:81";
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address = "10.99.99.6";
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}
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{
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name = "ap2";
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mac = "74:83:c2:89:0b:52";
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address = "10.99.99.7";
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}
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{
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name = "ap1";
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mac = "80:2a:a8:96:50:76";
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address = "10.99.99.8";
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}
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];
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};
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};
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enp1s0f0 = rec {
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ipv4.addresses = [{
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address = "10.99.1.1";
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prefixLength = 24;
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}];
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info = rec {
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description = "unused";
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route = true;
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router = "${(head ipv4.addresses).address}";
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start = "10.99.1.100";
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end = "10.99.1.155";
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net = "10.99.1.0";
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netmask = "255.255.255.0";
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network = "${net}/${toString (head ipv4.addresses).prefixLength}";
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staticIPs = [ ];
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};
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};
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enp2s0f1 = rec {
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ipv4.addresses = [{
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address = "10.98.1.1";
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prefixLength = 24;
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}];
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info = rec {
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description = "work";
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route = false;
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router = "${(head ipv4.addresses).address}";
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start = "10.98.1.100";
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end = "10.98.1.150";
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net = "10.98.1.0";
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netmask = "255.255.255.0";
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network = "${net}/${toString (head ipv4.addresses).prefixLength}";
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staticIPs = [ ];
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};
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};
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badwifi = rec {
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ipv4.addresses = [{
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address = "10.10.0.1";
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prefixLength = 24;
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}];
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info = rec {
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description = "IoT WiFi";
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route = true;
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router = "${(head ipv4.addresses).address}";
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start = "10.10.0.100";
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end = "10.10.0.155";
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net = "10.10.0.0";
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netmask = "255.255.255.0";
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network = "${net}/${toString (head ipv4.addresses).prefixLength}";
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staticIPs = [ ];
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};
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};
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goodwifi = rec {
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ipv4.addresses = [{
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address = "10.12.0.1";
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prefixLength = 24;
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}];
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info = rec {
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description = "WiFi";
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route = false;
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router = "${(head ipv4.addresses).address}";
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start = "10.12.0.100";
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end = "10.12.0.155";
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net = "10.12.0.0";
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netmask = "255.255.255.0";
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network = "${net}/${toString (head ipv4.addresses).prefixLength}";
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staticIPs = [ ];
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};
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};
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lab = rec {
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ipv4.addresses = [{
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address = "10.3.0.1";
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prefixLength = 24;
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}];
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info = rec {
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vlanID = 2;
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description = "Lab";
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route = true;
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router = "${(head ipv4.addresses).address}";
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start = "10.3.0.100";
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end = "10.3.0.155";
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net = "10.3.0.0";
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netmask = "255.255.255.0";
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network = "${net}/${toString (head ipv4.addresses).prefixLength}";
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staticIPs = [ ];
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};
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};
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external = rec {
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ipv4.addresses = [{
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address = "10.20.30.1";
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prefixLength = 24;
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}];
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info = rec {
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description = "DMZ";
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route = true;
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router = "${(head ipv4.addresses).address}";
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net = "10.20.30.0";
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start = "10.20.30.100";
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end = "10.20.30.155";
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netmask = "255.255.255.0";
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network = "${net}/${toString (head ipv4.addresses).prefixLength}";
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staticIPs = [ ];
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};
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};
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common = rec {
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ipv4.addresses = [{
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address = "10.6.0.1";
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prefixLength = 24;
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}];
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info = rec {
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description = "Common";
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route = true;
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router = "${(head ipv4.addresses).address}";
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vlanID = 5;
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start = "10.6.0.100";
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end = "10.6.0.250";
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net = "10.6.0.0";
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netmask = "255.255.255.0";
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network = "${net}/${toString (head ipv4.addresses).prefixLength}";
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staticIPs = [
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{
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name = "tal";
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mac = "3c:7c:3f:1d:95:9c";
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address = "10.6.0.110";
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}
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{
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name = "namish";
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mac = "b8:ae:ed:78:b5:37";
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address = "10.6.0.78";
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}
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{
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name = "g5";
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mac = "00:0a:95:a8:26:42";
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address = "10.6.0.111";
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}
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{
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name = "box";
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mac = "d0:50:99:c2:b5:4b";
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address = "10.6.0.15";
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}
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{
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name = "greenhouse";
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mac = "6c:0b:84:1b:20:07";
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address = "10.6.0.20";
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}
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{
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name = "inside";
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mac = "6c:0b:84:cb:a7:59";
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address = "10.6.0.21";
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}
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{
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name = "weather";
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mac = "b8:27:eb:3e:5b:4e";
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address = "10.6.0.22";
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}
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];
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};
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};
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voip = rec {
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ipv4.addresses = [{
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address = "10.7.0.1";
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prefixLength = 24;
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}];
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info = rec {
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description = "VoIP";
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route = true;
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router = "${(head ipv4.addresses).address}";
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net = "10.7.0.0";
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start = "10.7.0.100";
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end = "10.7.0.155";
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netmask = "255.255.255.0";
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network = "${net}/${toString (head ipv4.addresses).prefixLength}";
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staticIPs = [ ];
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};
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};
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};
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in {
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_module.args.isUnstable = false;
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imports = [ ./hardware-configuration.nix ];
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boot.kernel.sysctl = {
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"net.ipv4.conf.all.forwarding" = true;
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"net.ipv6.conf.all.forwarding" = true;
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};
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sops.secrets = {
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wireguard_private_key = {
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sopsFile = config.xin-secrets.router.networking;
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};
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};
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networking = {
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hostName = "router";
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useDHCP = false;
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firewall.enable = false;
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# TODO: iterate over interfaces where .<name>.vlanID is set
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vlans = {
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badwifi = {
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id = 10;
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interface = "${trunk}";
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};
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goodwifi = {
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id = 11;
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interface = "${trunk}";
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};
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lab = {
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id = 2;
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interface = "${trunk}";
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};
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common = {
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id = 5;
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interface = "${trunk}";
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};
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voip = {
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id = 6;
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interface = "${trunk}";
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};
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external = {
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id = 20;
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interface = "${trunk}";
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};
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};
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interfaces = filterAttrsRecursive (n: v: n != "info") interfaces;
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nftables = {
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enable = true;
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ruleset = ''
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define DEV_PRIVATE = enp1s0f0
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define DEV_HAM = enp2s0f1
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table ip global {
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chain inbound_world {
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#icmp type echo-request limit rate 5/second accept
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tcp dport ssh limit rate 1/minute accept
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}
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chain inbound_private {
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icmp type echo-request limit rate 5/second accept
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ip protocol . th dport vmap {
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tcp . 22 : accept,
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udp . 53 : accept,
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tcp . 53 : accept,
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udp . 67 : accept
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}
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}
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chain inbound_lab {
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icmp type echo-request limit rate 5/second accept
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ip protocol . th dport vmap {
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udp . 53 : accept,
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tcp . 53 : accept,
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udp . 67 : accept,
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udp . 69 : accept,
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tcp . 69 : accept
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}
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}
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chain inbound {
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type filter hook input priority 0; policy drop;
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ct state vmap { established : accept, related : accept, invalid : drop }
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iifname vmap {
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lo : accept,
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${wan} : jump inbound_world,
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$DEV_PRIVATE : jump inbound_private,
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$DEV_HAM : jump inbound_private,
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common : jump inbound_private,
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badwifi : jump inbound_private,
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external : jump inbound_private,
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voip : jump inbound_private,
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lab : jump inbound_lab
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}
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}
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chain forward {
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type filter hook forward priority 0; policy drop;
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ct state vmap { established : accept, related : accept, invalid : drop }
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oifname $DEV_HAM iifname != $DEV_HAM drop
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iifname $DEV_PRIVATE accept
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iifname $DEV_HAM accept
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iifname common accept
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iifname badwifi accept
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iifname external accept
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iifname voip accept
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iifname lab accept
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}
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chain postrouting {
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type nat hook postrouting priority 100; policy accept;
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oifname ${wan} masquerade
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}
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}
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'';
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};
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};
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services.atftpd = {
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enable = true;
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extraOptions = [
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"--verbose"
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"--trace"
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"--no-multicast"
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"--listen-local"
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"--bind-address ${
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(head config.networking.interfaces.lab.ipv4.addresses).address
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}"
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];
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};
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services.dhcpd4 = {
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enable = true;
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extraConfig = ''
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option subnet-mask 255.255.255.0;
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option domain-name-servers ${concatStringsSep ", " dnsServers};
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${concatStringsSep "\n" (attrValues (mapAttrs (intf: val: ''
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# ${intf} : ${val.info.description}
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subnet ${val.info.net} netmask ${val.info.netmask} {
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option routers ${val.info.router};
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range ${val.info.start} ${val.info.end};
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${
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concatStringsSep "\n" (map (e: ''
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host ${e.name} {
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hardware ethernet ${e.mac};
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fixed-address ${e.address};
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}
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'') val.info.staticIPs)
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}
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}
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'') (filterAttrsRecursive (n: v:
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# TODO: use hasAttr
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n != "${wan}") interfaces)))}
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'';
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interfaces = [ "enp1s0f0" "enp2s0f1" "common" "badwifi" "${trunk}" ];
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};
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environment.systemPackages = with pkgs; [ bmon termshark tcpdump ];
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users.users.root = userBase;
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users.users.qbit = userBase;
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system = {
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autoUpgrade = {
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rebootWindow = {
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upper = "03:00";
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lower = "01:00";
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};
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};
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stateVersion = "22.05";
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};
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}
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