Files
nix-config/modules/nixos/network/default.nix
2025-08-21 21:04:11 -05:00

125 lines
3.5 KiB
Nix

{
config,
lib,
namespace,
...
}:
with lib;
let
cfg = config.${namespace}.network;
in
{
imports = [
./options.nix
];
config = {
networking = {
hostName = lib.mkForce cfg.hostName;
# Use networkd if enabled
useNetworkd = lib.mkIf cfg.useNetworkd true;
# Set default gateway and nameservers if in manual mode
defaultGateway = lib.mkIf (cfg.ipv4.method == "manual") {
address = cfg.ipv4.gateway;
interface = lib.mkIf (cfg.ipv4.interface != "") cfg.ipv4.interface;
};
nameservers = lib.mkIf (cfg.ipv4.method == "manual") [ cfg.ipv4.dns ];
# Set hostId if provided
hostId = lib.mkIf (cfg.hostId != "") cfg.hostId;
# Configure NAT if enabled
nat = lib.mkIf cfg.nat.enable {
enable = true;
internalInterfaces = cfg.nat.internalInterfaces;
externalInterface = cfg.nat.externalInterface;
enableIPv6 = cfg.nat.enableIPv6;
};
# Configure firewall
firewall = {
enable = cfg.firewall.enable;
allowPing = cfg.firewall.allowPing;
allowedTCPPorts = cfg.firewall.allowedTCPPorts;
allowedUDPPorts = cfg.firewall.allowedUDPPorts;
trustedInterfaces = cfg.firewall.trustedInterfaces;
# Default port ranges for KDE Connect
allowedTCPPortRanges = [
{
from = 1714;
to = 1764;
}
];
allowedUDPPortRanges = config.networking.firewall.allowedTCPPortRanges;
# Extra firewall commands
extraCommands = lib.mkIf (cfg.extraFirewallCommands != "") cfg.extraFirewallCommands;
};
# Configure iwd if enabled
wireless.iwd = lib.mkIf cfg.iwd.enable {
enable = true;
settings = cfg.iwd.settings;
};
# Configure NetworkManager
networkmanager = mkMerge [
# Disable NetworkManager when iwd is enabled
(mkIf cfg.iwd.enable {
enable = mkForce false;
wifi.backend = mkForce "iwd";
})
# Enable NetworkManager when wifi is enabled and iwd is disabled
(mkIf (cfg.wifi.enable && !cfg.iwd.enable) {
enable = true;
wifi.powersave = cfg.wifi.powersave;
settings.connectivity.uri = mkDefault "http://nmcheck.gnome.org/check_network_status.txt";
# Configure WiFi profiles if any are defined
ensureProfiles = mkIf (cfg.wifi.profiles != { }) {
environmentFiles = [
config.sops.secrets.wifi.path
];
profiles = mapAttrs (name: profile: {
connection = {
id = name;
type = "wifi";
};
ipv4 =
if (cfg.ipv4.method == "auto") then
{
method = "auto";
}
else
{
address1 = cfg.ipv4.address;
dns = cfg.ipv4.dns;
gateway = cfg.ipv4.gateway;
method = "manual";
};
ipv6 = {
addr-gen-mode = "stable-privacy";
method = "auto";
};
wifi = {
mode = "infrastructure";
ssid = profile.ssid;
};
wifi-security = {
key-mgmt = profile.keyMgmt;
psk = profile.psk;
};
}) cfg.wifi.profiles;
};
})
];
};
};
}