From 0b8e24c80ad0a5e9e97b0aedd17357199b82c369 Mon Sep 17 00:00:00 2001
From: sinanmohd <sinan@sinanmohd.com>
Date: Mon, 27 Nov 2023 09:56:05 +0530
Subject: modules/iwd: fix broken dhcp dns configuration
---
modules/iwd.nix | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 93 insertions(+)
create mode 100644 modules/iwd.nix
(limited to 'modules')
diff --git a/modules/iwd.nix b/modules/iwd.nix
new file mode 100644
index 0000000..0c1c94a
--- /dev/null
+++ b/modules/iwd.nix
@@ -0,0 +1,93 @@
+{ config, lib, pkgs, ... }:
+
+let
+ inherit (lib)
+ mkEnableOption mkIf mkOption types
+ recursiveUpdate;
+
+ cfg = config.networking.wireless.iwd;
+ ini = pkgs.formats.ini { };
+ defaults = {
+ # without UseDefaultInterface, sometimes wlan0 simply goes AWOL with NetworkManager
+ # https://iwd.wiki.kernel.org/interface_lifecycle#interface_management_in_iwd
+ General.UseDefaultInterface = with config.networking.networkmanager; (enable && (wifi.backend == "iwd"));
+ };
+ configFile = ini.generate "main.conf" (recursiveUpdate defaults cfg.settings);
+
+in
+{
+ options.networking.wireless.iwd = {
+ enable = mkEnableOption (lib.mdDoc "iwd");
+
+ package = mkOption {
+ type = types.package;
+ default = pkgs.iwd;
+ defaultText = lib.literalExpression "pkgs.iwd";
+ description = lib.mdDoc ''
+ The iwd package to use.
+ '';
+ };
+
+ settings = mkOption {
+ type = ini.type;
+ default = { };
+
+ example = {
+ Settings.AutoConnect = true;
+
+ Network = {
+ EnableIPv6 = true;
+ RoutePriorityOffset = 300;
+ };
+ };
+
+ description = lib.mdDoc ''
+ Options passed to iwd.
+ See [here](https://iwd.wiki.kernel.org/networkconfigurationsettings) for supported options.
+ '';
+ };
+ };
+
+ config = lib.mkMerge [
+ (mkIf cfg.enable {
+ assertions = [{
+ assertion = !config.networking.wireless.enable;
+ message = ''
+ Only one wireless daemon is allowed at the time: networking.wireless.enable and networking.wireless.iwd.enable are mutually exclusive.
+ '';
+ }];
+
+ environment.etc."iwd/${configFile.name}".source = configFile;
+
+ # for iwctl
+ environment.systemPackages = [ cfg.package ];
+ services.dbus.packages = [ cfg.package ];
+ systemd.packages = [ cfg.package ];
+
+ systemd.network.links."80-iwd" = {
+ matchConfig.Type = "wlan";
+ linkConfig.NamePolicy = "keep kernel";
+ };
+
+ systemd.services.iwd = {
+ wantedBy = [ "multi-user.target" ];
+ restartTriggers = [ configFile ];
+ };
+ })
+ (let
+ needResolv = cfg.enable
+ && lib.hasAttrByPath [ "Network" "NameResolvingService" ] cfg.settings
+ && cfg.settings.Network.NameResolvingService == "resolvconf";
+ in
+ mkIf needResolv {
+ environment.systemPackages = [ pkgs.openresolv ];
+
+ systemd.services.iwd = {
+ path = [ pkgs.openresolv ];
+ serviceConfig.ReadWritePaths = "/etc/resolv.conf";
+ };
+ })
+ ];
+
+ meta.maintainers = with lib.maintainers; [ dtzWill ];
+}
--
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