123 lines
3.2 KiB
Nix
123 lines
3.2 KiB
Nix
# This is an example that uses the "gateway" profile to create a
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# "typical home wireless router" configuration suitable for a Gl.inet
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# gl-ar750 router. It should be fairly simple to edit it for other
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# devices: mostly you will need to attend to the number of wlan and lan
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# interfaces
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{ config, pkgs, lib, modulesPath, ... } :
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let
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secrets = {
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domainName = "fake.liminix.org";
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firewallRules = { };
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} // (import ./rotuer-secrets.nix);
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svc = config.system.service;
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wirelessConfig = {
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country_code = "GB";
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inherit (secrets) wpa_passphrase;
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wmm_enabled = 1;
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};
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in rec {
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boot = {
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tftp = {
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freeSpaceBytes = 3 * 1024 * 1024;
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serverip = "10.0.0.1";
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ipaddr = "10.0.0.8";
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};
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};
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imports = [
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"${modulesPath}/profiles/gateway.nix"
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];
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hostname = "rotuer";
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profile.gateway = {
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lan = {
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interfaces = with config.hardware.networkInterfaces;
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[
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# EDIT: these are the interfaces exposed by the gl.inet gl-ar750:
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# if your device has more or differently named lan interfaces,
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# specify them here
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wlan wlan5
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lan
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];
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inherit (secrets.lan) prefix;
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address = {
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family = "inet"; address ="${secrets.lan.prefix}.1"; prefixLength = 24;
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};
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dhcp = {
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start = 10;
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end = 240;
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hosts = { } // lib.optionalAttrs (builtins.pathExists ./static-leases.nix) (import ./static-leases.nix);
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localDomain = "lan";
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};
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};
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wan = {
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# wan interface depends on your upstream - could be dhcp, static
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# ethernet, a pppoe, ppp over serial, a complicated bonded
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# failover ... who knows what else?
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interface = svc.pppoe.build {
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interface = config.hardware.networkInterfaces.wan;
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username = secrets.l2tp.name;
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password = secrets.l2tp.password;
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};
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# once the wan has ipv4 connnectivity, should we run dhcp6
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# client to potentially get an address range ("prefix
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# delegation")
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dhcp6.enable = true;
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};
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firewall = {
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enable = true;
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rules = secrets.firewallRules;
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};
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wireless.networks = {
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# EDIT: if you have more or fewer wireless radios, here is where
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# you need to say so. hostapd tuning is hardware-specific and
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# left as an exercise for the reader :-).
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"${secrets.ssid}" = {
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interface = config.hardware.networkInterfaces.wlan;
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hw_mode = "g";
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channel = "2";
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ieee80211n = 1;
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} // wirelessConfig;
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"${secrets.ssid}5" = rec {
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interface = config.hardware.networkInterfaces.wlan5;
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hw_mode = "a";
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channel = 36;
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ht_capab = "[HT40+]";
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vht_oper_chwidth = 1;
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vht_oper_centr_freq_seg0_idx = channel + 6;
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ieee80211n = 1;
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ieee80211ac = 1;
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} // wirelessConfig;
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};
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};
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services.ntp = svc.ntp.build {
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pools = { "pool.ntp.org" = ["iburst"]; };
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makestep = { threshold = 1.0; limit = 3; };
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};
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services.sshd = svc.ssh.build { };
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users.root = secrets.root;
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defaultProfile.packages = with pkgs; [
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min-collect-garbage
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nftables
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strace
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tcpdump
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s6
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];
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programs.busybox = {
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applets = [
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"fdisk" "sfdisk"
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];
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options = {
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FEATURE_FANCY_TAIL = "y";
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};
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};
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}
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