2014-04-14 14:26:48 +00:00
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{ config, lib, pkgs, ... }:
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2009-10-12 17:27:57 +00:00
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2014-04-14 14:26:48 +00:00
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with lib;
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2009-07-16 21:08:32 +00:00
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let
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2012-04-01 10:54:10 +00:00
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cfg = config.networking.wireless;
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2016-01-05 18:32:41 +00:00
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configFile = "/etc/wpa_supplicant.conf";
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2015-12-26 01:12:32 +00:00
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in {
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2009-07-16 21:08:32 +00:00
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options = {
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2012-04-01 10:54:10 +00:00
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networking.wireless = {
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2016-01-05 18:32:41 +00:00
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to start <command>wpa_supplicant</command> to scan for
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and associate with wireless networks. Note: NixOS currently
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does not manage <command>wpa_supplicant</command>'s
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configuration file, <filename>${configFile}</filename>. You
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should edit this file yourself to define wireless networks,
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WPA keys and so on (see
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<citerefentry><refentrytitle>wpa_supplicant.conf</refentrytitle>
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<manvolnum>5</manvolnum></citerefentry>), or use
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networking.wireless.userControlled.* to allow users to add entries
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through <command>wpa_cli</command> and <command>wpa_gui</command>.
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'';
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};
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2012-04-01 10:54:10 +00:00
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interfaces = mkOption {
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2015-06-15 16:18:46 +00:00
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type = types.listOf types.str;
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2012-04-01 10:54:10 +00:00
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default = [];
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example = [ "wlan0" "wlan1" ];
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description = ''
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2016-01-05 18:32:41 +00:00
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The interfaces <command>wpa_supplicant</command> will use. If empty, it will
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2014-04-24 16:16:12 +00:00
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automatically use all wireless interfaces.
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2012-04-01 10:54:10 +00:00
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'';
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};
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driver = mkOption {
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2013-10-30 10:02:04 +00:00
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type = types.str;
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2013-01-22 11:32:19 +00:00
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default = "nl80211,wext";
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2012-11-02 16:05:30 +00:00
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description = "Force a specific wpa_supplicant driver.";
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2012-04-01 10:54:10 +00:00
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};
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2009-12-09 20:30:40 +00:00
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2012-04-01 10:54:10 +00:00
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userControlled = {
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enable = mkOption {
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2013-10-29 12:04:26 +00:00
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type = types.bool;
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2012-04-01 10:54:10 +00:00
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default = false;
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description = ''
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Allow normal users to control wpa_supplicant through wpa_gui or wpa_cli.
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2015-02-17 21:14:29 +00:00
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This is useful for laptop users that switch networks a lot and don't want
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to depend on a large package such as NetworkManager just to pick nearby
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access points.
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2012-04-01 10:54:10 +00:00
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2016-01-05 18:32:41 +00:00
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When you want to use this, make sure ${configFile} doesn't exist.
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It will be created for you.
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Currently it is also necessary to explicitly specify networking.wireless.interfaces.
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2012-04-01 10:54:10 +00:00
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'';
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};
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group = mkOption {
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2013-10-30 10:02:04 +00:00
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type = types.str;
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2012-04-01 10:54:10 +00:00
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default = "wheel";
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example = "network";
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2012-11-02 16:05:30 +00:00
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description = "Members of this group can control wpa_supplicant.";
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2012-04-01 10:54:10 +00:00
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};
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};
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};
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2009-07-16 21:08:32 +00:00
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};
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2015-12-26 01:12:32 +00:00
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config = mkMerge [
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(mkIf cfg.enable {
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environment.systemPackages = [ pkgs.wpa_supplicant ];
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2009-07-16 21:08:32 +00:00
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2015-12-26 01:12:32 +00:00
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services.dbus.packages = [ pkgs.wpa_supplicant ];
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2011-12-19 23:16:32 +00:00
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2015-12-26 01:12:32 +00:00
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# FIXME: start a separate wpa_supplicant instance per interface.
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systemd.services.wpa_supplicant = let
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ifaces = cfg.interfaces;
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in {
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description = "WPA Supplicant";
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2013-01-10 12:46:34 +00:00
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wantedBy = [ "network.target" ];
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2009-07-24 00:31:42 +00:00
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2011-11-25 16:32:54 +00:00
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path = [ pkgs.wpa_supplicant ];
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2016-01-05 18:32:41 +00:00
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preStart = ''
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touch -a ${configFile}
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chmod 600 ${configFile}
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'' + optionalString cfg.userControlled.enable ''
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if [ ! -s ${configFile} ]; then
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echo "ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=${cfg.userControlled.group}" >> ${configFile}
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echo "update_config=1" >> ${configFile}
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fi
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2015-12-26 01:12:32 +00:00
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'';
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2016-01-05 18:32:41 +00:00
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2015-12-26 01:12:32 +00:00
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script = ''
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${if ifaces == [] then ''
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for i in $(cd /sys/class/net && echo *); do
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DEVTYPE=
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source /sys/class/net/$i/uevent
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if [ "$DEVTYPE" = "wlan" -o -e /sys/class/net/$i/wireless ]; then
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ifaces="$ifaces''${ifaces:+ -N} -i$i"
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fi
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done
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'' else ''
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ifaces="${concatStringsSep " -N " (map (i: "-i${i}") ifaces)}"
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''}
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exec wpa_supplicant -s -u -D${cfg.driver} -c ${configFile} $ifaces
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'';
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2009-07-16 21:08:32 +00:00
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};
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2012-06-29 09:53:08 +00:00
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2015-12-26 01:12:32 +00:00
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powerManagement.resumeCommands = ''
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2013-01-16 12:17:57 +00:00
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${config.systemd.package}/bin/systemctl try-restart wpa_supplicant
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2012-02-19 22:53:25 +00:00
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'';
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2015-12-26 01:12:32 +00:00
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# Restart wpa_supplicant when a wlan device appears or disappears.
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services.udev.extraRules = ''
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2014-04-28 18:10:49 +00:00
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ACTION=="add|remove", SUBSYSTEM=="net", ENV{DEVTYPE}=="wlan", RUN+="${config.systemd.package}/bin/systemctl try-restart wpa_supplicant.service"
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'';
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2015-12-26 01:12:32 +00:00
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})
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{
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meta.maintainers = with lib.maintainers; [ globin ];
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}
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];
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2009-07-16 21:08:32 +00:00
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}
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