pcscd: allow multiple readerConfig entries (735f85e8) · Commits · nix / nixpkgs

nixos/modules/services/hardware/pcscd.nix

+39 −15

Original line number	Diff line number	Diff line
		{ config, lib, pkgs, ... }:
		{
		config,
		lib,
		pkgs,
		...
		}:
		let
		cfg = config.services.pcscd;
		cfgFile = pkgs.writeText "reader.conf" config.services.pcscd.readerConfig;
		cfgFile = pkgs.writeText "reader.conf" (
		builtins.concatStringsSep "\n\n" config.services.pcscd.readerConfigs
		);

		package = if config.security.polkit.enable
		then pkgs.pcscliteWithPolkit
		else pkgs.pcsclite;
		package = if config.security.polkit.enable then pkgs.pcscliteWithPolkit else pkgs.pcsclite;

		pluginEnv = pkgs.buildEnv {
		name = "pcscd-plugins";
		@@ -14,6 +19,20 @@ let

		in
		{
		imports = [
		(lib.mkChangedOptionModule
		[ "services" "pcscd" "readerConfig" ]
		[ "services" "pcscd" "readerConfigs" ]
		(
		config:
		let
		readerConfig = lib.getAttrFromPath [ "services" "pcscd" "readerConfig" ] config;
		in
		[ readerConfig ]
		)
		)
		];

		options.services.pcscd = {
		enable = lib.mkEnableOption "PCSC-Lite daemon, to access smart cards using SCard API (PC/SC)";

		@@ -24,15 +43,17 @@ in
		description = "Plugin packages to be used for PCSC-Lite.";
		};

		readerConfig = lib.mkOption {
		type = lib.types.lines;
		default = "";
		example = ''
		readerConfigs = lib.mkOption {
		type = lib.types.listOf lib.types.lines;
		default = [ ];
		example = [
		''
		FRIENDLYNAME "Some serial reader"
		DEVICENAME /dev/ttyS0
		LIBPATH /path/to/serial_reader.so
		CHANNELID 1
		'';
		''
		];
		description = ''
		Configuration for devices that aren't hotpluggable.

		@@ -68,7 +89,10 @@ in
		# around it, we force the path to the cfgFile.
		#
		# https://github.com/NixOS/nixpkgs/issues/121088
		serviceConfig.ExecStart = [ "" "${lib.getExe package} -f -x -c ${cfgFile} ${lib.escapeShellArgs cfg.extraArgs}" ];
		serviceConfig.ExecStart = [
		""
		"${lib.getExe package} -f -x -c ${cfgFile} ${lib.escapeShellArgs cfg.extraArgs}"
		];
		};
		};
		}