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1{ 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 {
47 # printer
48 dhcpServerStaticLeaseConfig = {
49 Address = "10.42.0.4";
50 MACAddress = "3c:2a:f4:22:28:37";
51 };
52 }
53 {
54 # firetv
55 dhcpServerStaticLeaseConfig = {
56 Address = "10.42.0.11";
57 MACAddress = "84:28:59:f0:d2:a8";
58 };
59 }
60 # {
61 # dhcpServerStaticLeaseConfig = {
62 # Address = "10.42.0.10";
63 # MACAddress = "ea:4d:12:94:74:2a";
64 # };
65 # }
66 {
67 dhcpServerStaticLeaseConfig = {
68 Address = "10.42.0.10";
69 MACAddress = "fe:fe:fe:fe:fe:fe";
70 };
71 }
72 ];
73 };
74 networking.networkmanager.unmanaged = [ "int0" ];
75 krebs.iptables.tables.filter.INPUT.rules = [
76 {
77 predicate = "-i int0";
78 target = "ACCEPT";
79 }
80 ];
81 krebs.iptables.tables.filter.FORWARD.rules = [
82 {
83 predicate = "-i int0";
84 target = "ACCEPT";
85 }
86 {
87 predicate = "-o int0";
88 target = "ACCEPT";
89 }
90 {
91 predicate = "-p ipv6-icmp";
92 target = "ACCEPT";
93 v4 = false;
94 }
95 ];
96 krebs.iptables.tables.nat.PREROUTING.rules = lib.mkBefore [
97 {
98 v6 = false;
99 predicate = "-s 10.42.0.0/24";
100 target = "ACCEPT";
101 }
102 ];
103 krebs.iptables.tables.nat.POSTROUTING.rules = [
104 {
105 v6 = false;
106 predicate = "-s 10.42.0.0/24";
107 target = "MASQUERADE";
108 }
109 ];
110
111 networking.domain = "gg23";
112
113 networking.useHostResolvConf = false;
114 services.resolved.extraConfig = ''
115 DNSStubListener=no
116 '';
117 services.dnsmasq = {
118 enable = true;
119 resolveLocalQueries = false;
120
121 extraConfig = ''
122 local=/gg23/
123 domain=gg23
124 expand-hosts
125 listen-address=10.42.0.1,10.233.0.1
126 interface=int0
127 '';
128 };
129
130 environment.systemPackages = [
131 (pkgs.writers.writeDashBin "restart_router" ''
132 ${pkgs.mosquitto}/bin/mosquitto_pub -h localhost -t 'cmnd/router/POWER' -u gg23 -P gg23-mqtt -m OFF
133 sleep 2
134 ${pkgs.mosquitto}/bin/mosquitto_pub -h localhost -t 'cmnd/router/POWER' -u gg23 -P gg23-mqtt -m ON
135 '')
136 ];
137}