feat: '*' for file whitelist

if name doesn't matter

src/config.c

@@ -159,7 +159,7 @@ int config_check_var_whitelist(struct var_whitelist *list, const char *var, cons
 	bool found = false;
 	while (list->var_name) {
 		if (strlen(var) >= strlen(list->var_name)) {
-			if (!strcmp(var + strlen(var) - strlen(list->var_name), list->var_name)) {
+			if (!strcmp("*", list->var_name) || !strcmp(var + strlen(var) - strlen(list->var_name), list->var_name)) {
 				found = true;
 				if (!list->val) return 2; // matching
 				if (!strcmp(list->val, val)) return 2; // matching