1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
* ovpn-dco-win OpenVPN protocol accelerator for Windows
*
* Copyright (C) 2020-2021 OpenVPN Inc <sales@openvpn.net>
*
* Author: Lev Stipakov <lev@openvpn.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This particular file (uapi.h) is also licensed using the MIT license (see COPYRIGHT.MIT).
*/
#pragma once
#ifndef _KERNEL_MODE
#include <winsock2.h>
#endif
#include <ws2def.h>
#include <ws2ipdef.h>
typedef enum {
OVPN_PROTO_UDP,
OVPN_PROTO_TCP
} OVPN_PROTO;
typedef struct _OVPN_NEW_PEER {
union {
SOCKADDR_IN Addr4;
SOCKADDR_IN6 Addr6;
} Local;
union {
SOCKADDR_IN Addr4;
SOCKADDR_IN6 Addr6;
} Remote;
OVPN_PROTO Proto;
} OVPN_NEW_PEER, * POVPN_NEW_PEER;
typedef struct _OVPN_STATS {
LONG LostInControlPackets;
LONG LostOutControlPackets;
LONG LostInDataPackets;
LONG LostOutDataPackets;
LONG ReceivedDataPackets;
LONG ReceivedControlPackets;
LONG SentControlPackets;
LONG SentDataPackets;
LONG64 TransportBytesSent;
LONG64 TransportBytesReceived;
LONG64 TunBytesSent;
LONG64 TunBytesReceived;
} OVPN_STATS, * POVPN_STATS;
typedef enum _OVPN_KEY_SLOT {
OVPN_KEY_SLOT_PRIMARY,
OVPN_KEY_SLOT_SECONDARY
} OVPN_KEY_SLOT;
typedef enum _OVPN_CIPHER_ALG {
OVPN_CIPHER_ALG_NONE,
OVPN_CIPHER_ALG_AES_GCM,
OVPN_CIPHER_ALG_CHACHA20_POLY1305
} OVPN_CIPHER_ALG;
typedef struct _OVPN_KEY_DIRECTION
{
unsigned char Key[32];
unsigned char KeyLen; // 16/24/32 -> AES-128-GCM/AES-192-GCM/AES-256-GCM
unsigned char NonceTail[8];
} OVPN_KEY_DIRECTION;
typedef struct _OVPN_CRYPTO_DATA {
OVPN_KEY_DIRECTION Encrypt;
OVPN_KEY_DIRECTION Decrypt;
OVPN_KEY_SLOT KeySlot;
OVPN_CIPHER_ALG CipherAlg;
unsigned char KeyId;
int PeerId;
} OVPN_CRYPTO_DATA, * POVPN_CRYPTO_DATA;
typedef struct _OVPN_SET_PEER {
LONG KeepaliveInterval;
LONG KeepaliveTimeout;
LONG MSS;
} OVPN_SET_PEER, * POVPN_SET_PEER;
typedef struct _OVPN_VERSION {
LONG Major;
LONG Minor;
LONG Patch;
} OVPN_VERSION, * POVPN_VERSION;
#define OVPN_IOCTL_NEW_PEER CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define OVPN_IOCTL_GET_STATS CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define OVPN_IOCTL_NEW_KEY CTL_CODE(FILE_DEVICE_UNKNOWN, 3, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define OVPN_IOCTL_SWAP_KEYS CTL_CODE(FILE_DEVICE_UNKNOWN, 4, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define OVPN_IOCTL_SET_PEER CTL_CODE(FILE_DEVICE_UNKNOWN, 5, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define OVPN_IOCTL_START_VPN CTL_CODE(FILE_DEVICE_UNKNOWN, 6, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define OVPN_IOCTL_DEL_PEER CTL_CODE(FILE_DEVICE_UNKNOWN, 7, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define OVPN_IOCTL_GET_VERSION CTL_CODE(FILE_DEVICE_UNKNOWN, 8, METHOD_BUFFERED, FILE_ANY_ACCESS)
|
