depot/third_party/nixpkgs/nixos/modules/services/hardware/usbmuxd.nix
Default email 8ac5e011d6 Project import generated by Copybara.
GitOrigin-RevId: 2c3273caa153ee8eb5786bc8141b85b859e7efd7
2020-04-24 19:36:52 -04:00

76 lines
1.9 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
defaultUserGroup = "usbmux";
apple = "05ac";
cfg = config.services.usbmuxd;
in
{
options.services.usbmuxd = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Enable the usbmuxd ("USB multiplexing daemon") service. This daemon is
in charge of multiplexing connections over USB to an iOS device. This is
needed for transferring data from and to iOS devices (see ifuse). Also
this may enable plug-n-play tethering for iPhones.
'';
};
user = mkOption {
type = types.str;
default = defaultUserGroup;
description = ''
The user usbmuxd should use to run after startup.
'';
};
group = mkOption {
type = types.str;
default = defaultUserGroup;
description = ''
The group usbmuxd should use to run after startup.
'';
};
};
config = mkIf cfg.enable {
users.users = optionalAttrs (cfg.user == defaultUserGroup) {
${cfg.user} = {
description = "usbmuxd user";
group = cfg.group;
isSystemUser = true;
};
};
users.groups = optionalAttrs (cfg.group == defaultUserGroup) {
${cfg.group} = { };
};
# Give usbmuxd permission for Apple devices
services.udev.extraRules = ''
SUBSYSTEM=="usb", ATTR{idVendor}=="${apple}", GROUP="${cfg.group}"
'';
systemd.services.usbmuxd = {
description = "usbmuxd";
wantedBy = [ "multi-user.target" ];
unitConfig.Documentation = "man:usbmuxd(8)";
serviceConfig = {
# Trigger the udev rule manually. This doesn't require replugging the
# device when first enabling the option to get it to work
ExecStartPre = "${pkgs.udev}/bin/udevadm trigger -s usb -a idVendor=${apple}";
ExecStart = "${pkgs.usbmuxd}/bin/usbmuxd -U ${cfg.user} -f";
};
};
};
}