92 lines
2.6 KiB
Nix
92 lines
2.6 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.system.custom.wifi;
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in
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{
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options.system.custom.wifi = {
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enable = mkEnableOption "enable wifi";
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system = mkOption {
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default = "wpa_supplicant";
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type = with types; enum [ "wpa_supplicant" "networkmanager" ];
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};
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configurationFile = mkOption {
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default = null;
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type = with types; nullOr path;
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description = ''
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the target of /etc/wpa_supplicant.conf
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'';
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};
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interfaces = mkOption {
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type = with types; listOf string;
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default = [ ];
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description = ''
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list of interfaces to take care of,
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if empty it will test all interfaces
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'';
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};
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};
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config = mkMerge [
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(mkIf (cfg.enable && cfg.system == "wpa_supplicant") {
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networking.wireless.enable = true;
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networking.wireless.interfaces = cfg.interfaces;
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})
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(mkIf (cfg.enable && cfg.system == "networkmanager") {
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networking.networkmanager.enable = true;
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networking.networkmanager.wifi.powersave = true;
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networking.networkmanager.extraConfig = ''
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# The number of times a connection activation should be automatically tried
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# before switching to another one. This value applies only to connections
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# that can auto-connect and have a connection. autoconnect-retries property set to -1.
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# If not specified, connections will be tried 4 times.
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# Setting this value to 1 means to try activation once, without retry.
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autoconnect-retries-default=999
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'';
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})
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(mkIf (cfg.enable && cfg.configurationFile != null) {
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environment.etc."wpa_supplicant.conf".source = cfg.configurationFile;
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})
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(mkIf cfg.enable {
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networking.dhcpcd.allowInterfaces = cfg.interfaces;
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networking.usePredictableInterfaceNames = true;
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hardware.enableRedistributableFirmware = true;
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# because Networkd-wait-online is just failing.
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systemd.services.systemd-networkd-wait-online.enable = false;
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systemd.services.NetworkManager-wait-online.enable = false;
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environment.systemPackages = [
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(pkgs.writeShellScriptBin "scan-wifi" ''
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# todo : use column to make a nice view
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${pkgs.wirelesstools}/bin/iwlist scan | \
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grep -v "Interface doesn't support scanning" | \
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sed -e '/^\s*$/d' | \
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grep -e "ESSID" -e "Encrypt" | \
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sed -e "s/Encryption key:on/encrypted/g" | \
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sed -e "s/Encryption key:off/open/g" | \
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sed -e "s/ESSID://g" | \
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xargs -L 2 printf "%9s - '%s'\n"
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'')
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];
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})
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];
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}
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