153 lines
4.4 KiB
C
153 lines
4.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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*
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* Copyright (C) 2018-2021 WireGuard LLC. All Rights Reserved.
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*/
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#pragma once
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#include "wintun.h"
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#include <IPExport.h>
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#include <SetupAPI.h>
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#include <Windows.h>
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#define MAX_INSTANCE_ID MAX_PATH /* TODO: Is MAX_PATH always enough? */
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#define WINTUN_HWID L"Wintun"
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#define WINTUN_ENUMERATOR (IsWindows7 ? L"ROOT\\" WINTUN_HWID : L"SWD\\" WINTUN_HWID)
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extern const DEVPROPKEY DEVPKEY_Wintun_Name;
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typedef struct HSWDEVICE__ *HSWDEVICE;
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/**
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* Wintun adapter descriptor.
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*/
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typedef struct _WINTUN_ADAPTER
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{
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HSWDEVICE SwDevice;
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HDEVINFO DevInfo;
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SP_DEVINFO_DATA DevInfoData;
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WCHAR *InterfaceFilename;
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GUID CfgInstanceID;
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WCHAR DevInstanceID[MAX_INSTANCE_ID];
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DWORD LuidIndex;
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DWORD IfType;
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DWORD IfIndex;
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} WINTUN_ADAPTER;
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/**
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* @copydoc WINTUN_CREATE_ADAPTER_FUNC
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*/
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WINTUN_CREATE_ADAPTER_FUNC WintunCreateAdapter;
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/**
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* @copydoc WINTUN_OPEN_ADAPTER_FUNC
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*/
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WINTUN_OPEN_ADAPTER_FUNC WintunOpenAdapter;
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/**
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* @copydoc WINTUN_CLOSE_ADAPTER_FUNC
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*/
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WINTUN_CLOSE_ADAPTER_FUNC WintunCloseAdapter;
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/**
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* @copydoc WINTUN_GET_ADAPTER_LUID_FUNC
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*/
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WINTUN_GET_ADAPTER_LUID_FUNC WintunGetAdapterLUID;
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/**
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* Returns a handle to the adapter device object.
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*
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* @param Adapter Adapter handle obtained with WintunOpenAdapter or WintunCreateAdapter.
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*
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* @return If the function succeeds, the return value is adapter device object handle.
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* If the function fails, the return value is INVALID_HANDLE_VALUE. To get extended error
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* information, call GetLastError.
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*/
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_Return_type_success_(return != INVALID_HANDLE_VALUE)
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HANDLE WINAPI
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AdapterOpenDeviceObject(_In_ const WINTUN_ADAPTER *Adapter);
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/**
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* Returns the device object file name for an adapter instance ID.
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*
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* @param InstanceID The device instance ID of the adapter.
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*
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* @return If the function succeeds, the return value is the filename of the device object, which
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* must be freed with Free(). If the function fails, the return value is INVALID_HANDLE_VALUE.
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* To get extended error information, call GetLastError.
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*/
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_Must_inspect_result_
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_Return_type_success_(return != NULL)
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_Post_maybenull_
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LPWSTR
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AdapterGetDeviceObjectFileName(_In_z_ LPCWSTR InstanceId);
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/**
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* Cleans up adapters with no attached process.
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*/
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VOID AdapterCleanupOrphanedDevices(VOID);
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/**
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* Cleans up adapters that use the old enumerator.
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*/
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VOID AdapterCleanupLegacyDevices(VOID);
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/**
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* Removes the specified device instance.
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*
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* @param DevInfo Device info handle from SetupAPI.
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* @param DevInfoData Device info data specifying which device.
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*
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* @return If the function succeeds, the return value is TRUE. If the
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* function fails, the return value is FALSE. To get extended
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* error information, call GetLastError.
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*/
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_Return_type_success_(return != FALSE)
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BOOL
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AdapterRemoveInstance(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData);
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/**
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* Enables the specified device instance.
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*
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* @param DevInfo Device info handle from SetupAPI.
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* @param DevInfoData Device info data specifying which device.
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*
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* @return If the function succeeds, the return value is TRUE. If the
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* function fails, the return value is FALSE. To get extended
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* error information, call GetLastError.
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*/
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_Return_type_success_(return != FALSE)
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BOOL
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AdapterEnableInstance(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData);
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/**
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* Disables the specified device instance.
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*
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* @param DevInfo Device info handle from SetupAPI.
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* @param DevInfoData Device info data specifying which device.
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*
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* @return If the function succeeds, the return value is TRUE. If the
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* function fails, the return value is FALSE. To get extended
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* error information, call GetLastError.
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*/
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_Return_type_success_(return != FALSE)
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BOOL
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AdapterDisableInstance(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData);
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/**
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* Force closes all device handles of the specified device instance.
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*
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* @param DevInfo Device info handle from SetupAPI.
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* @param DevInfoData Device info data specifying which device.
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*
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* @return If the function succeeds, the return value is TRUE. If the
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* function fails, the return value is FALSE. To get extended
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* error information, call GetLastError.
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*/
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_Return_type_success_(return != FALSE)
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BOOL
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AdapterForceCloseHandles(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData);
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