54 lines
1.4 KiB
Nix
54 lines
1.4 KiB
Nix
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{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.programs.qgroundcontrol;
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in
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{
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options = {
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programs.qgroundcontrol = {
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enable = lib.mkEnableOption "qgroundcontrol";
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package = lib.mkPackageOption pkgs "qgroundcontrol" {};
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blacklistModemManagerFromTTYUSB = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = ''
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Disallow ModemManager from interfering with serial connections that QGroundControl might use.
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Note that if you use a modem that's connected via USB, you might want to disable this option.
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'';
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};
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};
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};
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config = lib.mkIf cfg.enable {
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# ModemManager is known to interfere with serial connections;
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# QGC recommends disabling it, but we don't want to if we can avoid it
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# Instead, we blacklist tty devices using udev rules, which is a more targeted approach
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services.udev = lib.mkIf cfg.blacklistModemManagerFromTTYUSB {
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enable = true;
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extraRules = ''
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# nixos/qgroundcontrol: Blacklist ttyUSB devices from ModemManager
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SUBSYSTEM=="tty", KERNEL=="ttyUSB*", ENV{ID_MM_DEVICE_IGNORE}="1"
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'';
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};
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# Security wrapper
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security.wrappers.qgroundcontrol = {
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source = lib.getExe cfg.package;
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owner = "root"; # Sensible default; not setuid so this is not a security risk
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group = "tty";
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setgid = true;
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};
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};
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meta.maintainers = pkgs.qgroundcontrol.meta.maintainers;
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}
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