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1{ config, lib, pkgs, ... }:
2{
3 # vodafone router drifts out of time
4 services.timesyncd.servers = [
5 "0.pool.ntp.org"
6 "1.pool.ntp.org"
7 "2.pool.ntp.org"
8 "3.pool.ntp.org"
9 ];
10 systemd.network.networks."50-et0" = {
11 matchConfig.Name = "et0";
12 DHCP = "yes";
13 # dhcpV4Config.UseDNS = false;
14 # dhcpV6Config.UseDNS = false;
15 linkConfig = {
16 RequiredForOnline = "routable";
17 };
18 networkConfig = {
19 LinkLocalAddressing = "no";
20 };
21 # dhcpV6Config = {
22 # PrefixDelegationHint = "::/60";
23 # };
24 # networkConfig = {
25 # IPv6AcceptRA = true;
26 # };
27 # ipv6PrefixDelegationConfig = {
28 # Managed = true;
29 # };
30 };
31 boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
32 systemd.network.networks."50-int0" = {
33 name = "int0";
34 address = [
35 "10.42.0.1/24"
36 ];
37 networkConfig = {
38 # IPForward = "yes";
39 # IPMasquerade = "both";
40 ConfigureWithoutCarrier = true;
41 DHCPServer = "yes";
42 # IPv6SendRA = "yes";
43 # DHCPPrefixDelegation = "yes";
44 };
45 dhcpServerStaticLeases = [
46 { # printer
47 dhcpServerStaticLeaseConfig = {
48 Address = "10.42.0.4";
49 MACAddress = "3c:2a:f4:22:28:37";
50 };
51 }
52 { # firetv
53 dhcpServerStaticLeaseConfig = {
54 Address = "10.42.0.11";
55 MACAddress = "84:28:59:f0:d2:a8";
56 };
57 }
58 # {
59 # dhcpServerStaticLeaseConfig = {
60 # Address = "10.42.0.10";
61 # MACAddress = "ea:4d:12:94:74:2a";
62 # };
63 # }
64 {
65 dhcpServerStaticLeaseConfig = {
66 Address = "10.42.0.10";
67 MACAddress = "fe:fe:fe:fe:fe:fe";
68 };
69 }
70 ];
71 };
72 networking.networkmanager.unmanaged = [ "int0" ];
73 krebs.iptables.tables.filter.INPUT.rules = [
74 { predicate = "-i int0"; target = "ACCEPT"; }
75 ];
76 krebs.iptables.tables.filter.FORWARD.rules = [
77 { predicate = "-i int0"; target = "ACCEPT"; }
78 { predicate = "-o int0"; target = "ACCEPT"; }
79 { predicate = "-p ipv6-icmp"; target = "ACCEPT"; v4 = false; }
80 ];
81 krebs.iptables.tables.nat.PREROUTING.rules = lib.mkBefore [
82 { v6 = false; predicate = "-s 10.42.0.0/24"; target = "ACCEPT"; }
83 ];
84 krebs.iptables.tables.nat.POSTROUTING.rules = [
85 { v6 = false; predicate = "-s 10.42.0.0/24"; target = "MASQUERADE"; }
86 ];
87
88 networking.domain = "gg23";
89
90 networking.useHostResolvConf = false;
91 services.resolved.extraConfig = ''
92 DNSStubListener=no
93 '';
94 services.dnsmasq = {
95 enable = true;
96 resolveLocalQueries = false;
97
98 extraConfig = ''
99 local=/gg23/
100 domain=gg23
101 expand-hosts
102 listen-address=10.42.0.1,10.233.0.1
103 interface=int0
104 '';
105 };
106
107 environment.systemPackages = [
108 (pkgs.writers.writeDashBin "restart_router" ''
109 ${pkgs.mosquitto}/bin/mosquitto_pub -h localhost -t 'cmnd/router/POWER' -u gg23 -P gg23-mqtt -m OFF
110 sleep 2
111 ${pkgs.mosquitto}/bin/mosquitto_pub -h localhost -t 'cmnd/router/POWER' -u gg23 -P gg23-mqtt -m ON
112 '')
113 ];
114}