-void selinux_access_finish(void);
-int selinux_manager_access_check(DBusConnection *connection, DBusMessage *message, Manager *m, DBusError *error);
-int selinux_unit_access_check(DBusConnection *connection, DBusMessage *message, Manager *m, const char *path, DBusError *error);
+#include "sd-bus.h"
+#include "bus-error.h"
+#include "bus-util.h"
+
+void selinux_access_free(void);
+
+int selinux_generic_access_check(sd_bus *bus, sd_bus_message *message, const char *path, const char *permission, sd_bus_error *error);
+
+#ifdef HAVE_SELINUX
+
+#define selinux_access_check(bus, message, permission, error) \
+ selinux_generic_access_check(bus, message, NULL, permission, error)
+#define selinux_unit_access_check(unit, bus, message, permission, error) \
+ ({ Unit *_unit = (unit); selinux_generic_access_check(bus, message, _unit->fragment_path ?: _unit->fragment_path, permission, error); })
+
+#else
+
+#define selinux_access_check(bus, message, permission, error) 0
+#define selinux_unit_access_check(unit, bus, message, permission, error) 0
+