/*
* Copyright (c) 2021 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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*/
#include <stdbool.h>
#include <sys/types.h>
#include <sys/eventhandler.h>
enum net_filter_event_subsystems : uint32_t {
NET_FILTER_EVENT_PF = (1 << 0),
NET_FILTER_EVENT_SOCKET = (1 << 1),
NET_FILTER_EVENT_INTERFACE = (1 << 2),
NET_FILTER_EVENT_IP = (1 << 3),
NET_FILTER_EVENT_ALF = (1 << 4),
NET_FILTER_EVENT_PARENTAL_CONTROLS = (1 << 5),
NET_FILTER_EVENT_PF_PRIVATE_PROXY = (1 << 6),
};
/* Marks subsystem filtering state. */
void
net_filter_event_mark(enum net_filter_event_subsystems subsystem, bool compatible);
typedef void (*net_filter_event_callback_t) (struct eventhandler_entry_arg,
enum net_filter_event_subsystems);
/* Registers a function to be called when state changes. */
void
net_filter_event_register(net_filter_event_callback_t callback);
/* Gets the state of the filters. */
enum net_filter_event_subsystems
net_filter_event_get_state(void);