if (getenv("CACKEY_PIN_COMMAND") != NULL) {
		cackey_pin_command = strdup(getenv("CACKEY_PIN_COMMAND"));
	}

	if (getenv("CACKEY_PIN_COMMAND_XONLY") != NULL && getenv("DISPLAY") != NULL) {
		cackey_pin_command = strdup(getenv("CACKEY_PIN_COMMAND_XONLY"));
	}

	if (strcmp(cackey_pin_command, "") == 0) {
		free(cackey_pin_command);
		cackey_pin_command = NULL;
	}

#ifdef CACKEY_READERS_INCLUDE_ONLY_DEFAULT
	cackey_readers_include_only = strdup(CACKEY_MACRO_DEFAULT_XSTR(CACKEY_READERS_INCLUDE_ONLY_DEFAULT));
#endif

#ifdef CACKEY_READERS_EXCLUDE_DEFAULT
	cackey_readers_exclude = strdup(CACKEY_MACRO_DEFAULT_XSTR(CACKEY_READERS_EXCLUDE_DEFAULT));