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peer.h
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peer.h
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/*
* ovpn-dco-win OpenVPN protocol accelerator for Windows
*
* Copyright (C) 2020-2021 OpenVPN Inc <[email protected]>
* Copyright (C) 2023 Rubicon Communications LLC (Netgate)
*
* Author: Lev Stipakov <[email protected]>
*
* 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.
*/
#pragma once
#include <ntddk.h>
#include "driver.h"
#include "uapi\ovpn-dco.h"
struct OvpnPeerContext
{
OvpnCryptoContext CryptoContext;
INT32 PeerId;
// keepalive interval in seconds
LONG KeepaliveInterval;
// keepalive timeout in seconds
LONG KeepaliveTimeout;
// 1-sec timer which handles ping intervals and keepalive timeouts
WDFTIMER Timer;
UINT16 MSS;
struct {
IN_ADDR IPv4;
IN6_ADDR IPv6;
} VpnAddrs;
struct {
union {
IN_ADDR IPv4;
IN6_ADDR IPv6;
} Local;
union {
SOCKADDR_IN IPv4;
SOCKADDR_IN6 IPv6;
} Remote;
} TransportAddrs;
LONG RefCounter;
};
_Must_inspect_result_
OvpnPeerContext*
OvpnPeerCtxAlloc();
VOID
OvpnPeerCtxFree(_In_ OvpnPeerContext*);
RTL_GENERIC_ALLOCATE_ROUTINE OvpnPeerAllocateRoutine;
RTL_GENERIC_FREE_ROUTINE OvpnPeerFreeRoutine;
RTL_GENERIC_COMPARE_ROUTINE OvpnPeerCompareByPeerIdRoutine;
RTL_GENERIC_COMPARE_ROUTINE OvpnPeerCompareByVPN4Routine;
RTL_GENERIC_COMPARE_ROUTINE OvpnPeerCompareByVPN6Routine;
_Must_inspect_result_
_IRQL_requires_(PASSIVE_LEVEL)
NTSTATUS
OvpnPeerNew(_In_ POVPN_DEVICE device, WDFREQUEST request);
_Must_inspect_result_
_IRQL_requires_(PASSIVE_LEVEL)
NTSTATUS
OvpnMPPeerNew(_In_ POVPN_DEVICE device, WDFREQUEST request);
_Must_inspect_result_
_Requires_exclusive_lock_held_(device->SpinLock)
NTSTATUS
OvpnPeerSet(_In_ POVPN_DEVICE device, WDFREQUEST request);
_Must_inspect_result_
_Requires_exclusive_lock_held_(device->SpinLock)
NTSTATUS
OvpnMPPeerSet(_In_ POVPN_DEVICE device, WDFREQUEST request);
_Must_inspect_result_
NTSTATUS
_Requires_shared_lock_held_(device->SpinLock)
OvpnPeerGetStats(_In_ POVPN_DEVICE device, WDFREQUEST request, _Out_ ULONG_PTR* bytesReturned);
_Must_inspect_result_
_IRQL_requires_(PASSIVE_LEVEL)
_IRQL_requires_same_
NTSTATUS
OvpnPeerStartVPN(_In_ POVPN_DEVICE device);
_Must_inspect_result_
_Requires_exclusive_lock_held_(device->SpinLock)
NTSTATUS
OvpnPeerNewKey(_In_ POVPN_DEVICE device, WDFREQUEST request);
_Must_inspect_result_
_Requires_exclusive_lock_held_(device->SpinLock)
NTSTATUS
OvpnPeerNewKeyV2(_In_ POVPN_DEVICE device, WDFREQUEST request);
_Must_inspect_result_
_Requires_exclusive_lock_held_(device->SpinLock)
NTSTATUS
OvpnPeerSwapKeys(_In_ POVPN_DEVICE device);