]> Git — Sourcephile - sourcephile-nix.git/blob - machines/losurdo/networking.nix
nix: fix installation comments
[sourcephile-nix.git] / machines / losurdo / networking.nix
1 { pkgs, lib, config, name, ... }:
2 with builtins;
3 let
4 inherit (builtins.extraBuiltins) pass-to-file;
5 inherit (config) networking users;
6 lanIPv4 = "192.168.1.215";
7 lanNet = "192.168.1.0/24";
8 lanIPv4Gateway = "192.168.1.1";
9 in
10 {
11 imports = [
12 networking/nftables.nix
13 ];
14 boot.initrd.network = {
15 enable = true;
16 ssh = {
17 enable = true;
18 # To prevent ssh from freaking out because a different host key is used,
19 # a different port for dropbear is useful
20 # (assuming the same host has also a normal sshd running)
21 port = 2222;
22 authorizedKeys = users.users.root.openssh.authorizedKeys.keys;
23 };
24 # This will automatically load the zfs password prompt on login
25 # and kill the other prompt so boot can continue
26 # The pkill zfs kills the zfs load-key from the console
27 # allowing the boot to continue.
28 postCommands = ''
29 echo >>/root/.profile "zfs load-key -a && pkill zfs"
30 '';
31 };
32
33 /* WARNING: using ipconfig (the ip= kernel parameter) IS NOT RELIABLE:
34 a 91.216.110.35/32 becomes a 91.216.110.35/8
35 boot.kernelParams = map
36 (ip: "ip=${ip.clientIP}:${ip.serverIP}:${ip.gatewayIP}:${ip.netmask}:${ip.hostname}:${ip.device}:${ip.autoconf}")
37 [ { clientIP = netIPv4; serverIP = "";
38 gatewayIP = networking.defaultGateway.address;
39 netmask = "255.255.255.255";
40 hostname = ""; device = networking.defaultGateway.interface;
41 autoconf = "off";
42 }
43 { clientIP = lanIPv4; serverIP = "";
44 gatewayIP = "";
45 netmask = "255.255.255.0";
46 hostname = ""; device = "enp2s0";
47 autoconf = "off";
48 }
49 ];
50 */
51 /* DIY network config, but a right one */
52 boot.initrd.preLVMCommands = ''
53 set -x
54
55 # IPv4 lan
56 ip link set enp5s0 up
57 ip address add ${lanIPv4}/32 dev enp5s0
58 ip route add ${lanIPv4Gateway} dev enp5s0
59 ip route add ${lanNet} dev enp5s0 src ${lanIPv4} proto kernel
60 # NOTE: ${lanIPv4}/24 would not work with initrd's ip, hence ${lanNet}
61 ip route add default via ${lanIPv4Gateway} dev enp5s0
62
63 # IPv6 net
64 #ip -6 address add ''${lanIPv6} dev enp5s0
65 #ip -6 route add ''${lanIPv6Gateway} dev enp5s0
66 #ip -6 route add default via ''${lanIPv6Gateway} dev enp5s0
67
68 ip -4 address
69 ip -4 route
70 #ip -6 address
71 #ip -6 route
72
73 set +x
74
75 # Since boot.initrd.network's preLVMCommands won't set hasNetwork=1
76 # we have to run the postCommands ourselves.
77 ${config.boot.initrd.network.postCommands}
78 '';
79 # Workaround https://github.com/NixOS/nixpkgs/issues/56822
80 #boot.initrd.kernelModules = [ "ipv6" ];
81
82 # Useless without an out-of-band access, and unsecure
83 # (though / may still be encrypted at this point).
84 # boot.kernelParams = [ "boot.shell_on_fail" ];
85
86 # Disable IPv6 entirely until it's available
87 boot.kernel.sysctl = {
88 "net.ipv6.conf.enp5s0.disable_ipv6" = 1;
89 };
90
91 networking = rec {
92 hostName = name;
93 domainBase = "sourcephile";
94 domain = "${domainBase}.fr";
95
96 useDHCP = false;
97 defaultGateway = {
98 address = lanIPv4Gateway;
99 interface = "enp5s0";
100 };
101 /*
102 defaultGateway6 = {
103 address = lanIPv6Gateway;
104 interface = "enp5s0";
105 };
106 */
107 #nameservers = [ ];
108 nftables.ruleset = ''
109 add rule inet filter input iifname "enp5s0" goto net2fw
110 add rule inet filter output oifname "enp5s0" goto fw2net
111 add rule inet filter fw2net ip daddr ${lanNet} counter accept comment "LAN"
112 add rule inet filter fw2net ip daddr 224.0.0.0/4 udp dport 1900 counter accept comment "UPnP"
113 '';
114 interfaces.enp5s0 = {
115 useDHCP = false;
116 ipv4.addresses = [ { address = lanIPv4; prefixLength = 24; } ];
117 ipv4.routes = [ { address = networking.defaultGateway.address; prefixLength = 32; } ];
118
119 /*
120 ipv6.addresses = [ { address = lanIPv6; prefixLength = 64; }
121 { address = "fe80::1"; prefixLength = 10; }
122 ];
123 ipv6.routes = [ { address = networking.defaultGateway6.address; prefixLength = 64; } ];
124 */
125 };
126 interfaces.wlp4s0 = {
127 useDHCP = false;
128 };
129 };
130 }