/*
* Copyright (c) 2012-2017, 2020, 2022, 2024 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.
* Please see the License for the specific language governing rights and
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*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef __FLOW_DIVERT_PROTO_H__
#define __FLOW_DIVERT_PROTO_H__
#define FLOW_DIVERT_CONTROL_NAME "com.apple.flow-divert"
#define FLOW_DIVERT_TLV_LENGTH_UINT32 1
#define FLOW_DIVERT_PKT_CONNECT 1
#define FLOW_DIVERT_PKT_CONNECT_RESULT 2
#define FLOW_DIVERT_PKT_DATA 3
#define FLOW_DIVERT_PKT_CLOSE 4
#define FLOW_DIVERT_PKT_READ_NOTIFY 5
#define FLOW_DIVERT_PKT_GROUP_INIT 6
#define FLOW_DIVERT_PKT_PROPERTIES_UPDATE 7
#define FLOW_DIVERT_PKT_APP_MAP_CREATE 9
#define FLOW_DIVERT_PKT_FLOW_STATES_REQUEST 10
#define FLOW_DIVERT_PKT_FLOW_STATES 11
#define FLOW_DIVERT_TLV_NIL 0
#define FLOW_DIVERT_TLV_ERROR_CODE 5
#define FLOW_DIVERT_TLV_HOW 7
#define FLOW_DIVERT_TLV_READ_COUNT 8
#define FLOW_DIVERT_TLV_SPACE_AVAILABLE 9
#define FLOW_DIVERT_TLV_CTL_UNIT 10
#define FLOW_DIVERT_TLV_LOCAL_ADDR 11
#define FLOW_DIVERT_TLV_REMOTE_ADDR 12
#define FLOW_DIVERT_TLV_OUT_IF_INDEX 13
#define FLOW_DIVERT_TLV_TRAFFIC_CLASS 14
#define FLOW_DIVERT_TLV_NO_CELLULAR 15
#define FLOW_DIVERT_TLV_FLOW_ID 16
#define FLOW_DIVERT_TLV_TOKEN_KEY 17
#define FLOW_DIVERT_TLV_HMAC 18
#define FLOW_DIVERT_TLV_KEY_UNIT 19
#define FLOW_DIVERT_TLV_LOG_LEVEL 20
#define FLOW_DIVERT_TLV_TARGET_HOSTNAME 21
#define FLOW_DIVERT_TLV_TARGET_ADDRESS 22
#define FLOW_DIVERT_TLV_TARGET_PORT 23
#define FLOW_DIVERT_TLV_CDHASH 24
#define FLOW_DIVERT_TLV_SIGNING_ID 25
#define FLOW_DIVERT_TLV_AGGREGATE_UNIT 26
#define FLOW_DIVERT_TLV_IS_FRAGMENT 27
#define FLOW_DIVERT_TLV_PREFIX_COUNT 28
#define FLOW_DIVERT_TLV_FLAGS 29
#define FLOW_DIVERT_TLV_FLOW_TYPE 30
#define FLOW_DIVERT_TLV_APP_DATA 31
#define FLOW_DIVERT_TLV_APP_AUDIT_TOKEN 32
#define FLOW_DIVERT_TLV_APP_REAL_SIGNING_ID 33
#define FLOW_DIVERT_TLV_APP_REAL_CDHASH 34
#define FLOW_DIVERT_TLV_APP_REAL_AUDIT_TOKEN 35
#define FLOW_DIVERT_TLV_CFIL_ID 36
#define FLOW_DIVERT_TLV_DATAGRAM_SIZE 37
#define FLOW_DIVERT_TLV_ORDER 38
#define FLOW_DIVERT_TLV_FLOW_STATE 39
#define FLOW_DIVERT_FLOW_TYPE_TCP 1
#define FLOW_DIVERT_FLOW_TYPE_UDP 3
#define FLOW_DIVERT_CHUNK_SIZE 65600
#define FLOW_DIVERT_TOKEN_GETOPT_MAX_SIZE 128
#define FLOW_DIVERT_TOKEN_FLAG_VALIDATED 0x0000001
#define FLOW_DIVERT_TOKEN_FLAG_TFO 0x0000002
#define FLOW_DIVERT_TOKEN_FLAG_MPTCP 0x0000004
#define FLOW_DIVERT_TOKEN_FLAG_BOUND 0x0000008
#define FLOW_DIVERT_GROUP_FLAG_NO_APP_MAP 0x0000001
#define FLOW_DIVERT_GROUP_FLAG_DEFUNCT 0x0000002
#define FLOW_DIVERT_IS_TRANSPARENT 0x80000000
// Used for policies as well as opening control sockets
#define FLOW_DIVERT_IN_PROCESS_UNIT 0x0FFFFFFF
// Range for actual assigned control units
#define FLOW_DIVERT_IN_PROCESS_UNIT_MIN 0x0000FFFF
#define FLOW_DIVERT_IN_PROCESS_UNIT_MAX 0xFFFFFFFF
struct flow_divert_packet_header {
uint8_t packet_type;
uint32_t conn_id;
};
struct flow_divert_flow_state {
uint32_t conn_id;
uint64_t bytes_written_by_app;
uint64_t bytes_sent;
uint64_t bytes_received;
uint32_t send_window;
uint32_t send_buffer_bytes;
};
#endif /* __FLOW_DIVERT_PROTO_H__ */