usbmuxd service: user and group options

This commit is contained in:
Silvan Mosberger 2017-10-18 22:21:29 +02:00
parent f3df7da4f9
commit 2d019b3de3
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@ -2,24 +2,73 @@
with lib; with lib;
let
defaultUserGroup = "usbmux";
apple = "05ac";
cfg = config.services.usbmuxd;
in
{ {
options.services.usbmuxd.enable = mkOption { options.services.usbmuxd = {
type = types.bool; enable = mkOption {
default = false; type = types.bool;
description = '' default = false;
Enable the usbmuxd ("USB multiplexing daemon") service. This daemon is in description = ''
charge of multiplexing connections over USB to an iOS device. This is Enable the usbmuxd ("USB multiplexing daemon") service. This daemon is
needed for transferring data from and to iOS devices (see ifuse). Also in charge of multiplexing connections over USB to an iOS device. This is
this may enable plug-n-play tethering for iPhones. 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 config.services.usbmuxd.enable { config = mkIf cfg.enable {
users.extraUsers = optional (cfg.user == defaultUserGroup) {
name = cfg.user;
description = "usbmuxd user";
group = cfg.group;
};
users.extraGroups = optional (cfg.group == defaultUserGroup) {
name = cfg.group;
};
# Give usbmuxd permission for Apple devices
services.udev.extraRules = ''
SUBSYSTEM=="usb", ATTR{idVendor}=="${apple}", GROUP="${cfg.group}"
'';
systemd.services.usbmuxd = { systemd.services.usbmuxd = {
description = "usbmuxd"; description = "usbmuxd";
wantedBy = [ "multi-user.target" ]; wantedBy = [ "multi-user.target" ];
unitConfig.Documentation = "man:usbmuxd(8)"; unitConfig.Documentation = "man:usbmuxd(8)";
serviceConfig.ExecStart = "${pkgs.usbmuxd}/bin/usbmuxd -f"; serviceConfig = {
# Trigger the udev rule manually. This doesn't require replugging the
# device when first enabling the option to get it to work
ExecStartPre = "${pkgs.libudev}/bin/udevadm trigger -s usb -a idVendor=${apple}";
ExecStart = "${pkgs.usbmuxd}/bin/usbmuxd -U ${cfg.user} -f";
};
}; };
}; };
} }