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/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2018-2020 WireGuard LLC. All Rights Reserved.
*/
#pragma once
#include "wintun.h"
#include <SetupAPI.h>
#define MAX_INSTANCE_ID MAX_PATH /* TODO: Is MAX_PATH always enough? */
#define WINTUN_HWID L"Wintun"
typedef struct _SP_DEVINFO_DATA_LIST
{
SP_DEVINFO_DATA Data;
struct _SP_DEVINFO_DATA_LIST *Next;
} SP_DEVINFO_DATA_LIST;
/**
* Retrieves driver information detail for a device information set or a particular device information element in the
* device information set.
*
* @param DevInfo A handle to the device information set that contains a device information element that
* represents the device for which to retrieve driver information.
*
* @param DevInfoData A pointer to a structure that specifies the device information element in DevInfo.
*
* @param DrvInfoData A pointer to a structure that specifies the driver information element that represents the
* driver for which to retrieve details.
*
* @param DrvInfoDetailData A pointer to a structure that receives detailed information about the specified driver.
* Must be released with HeapFree(ModuleHeap, 0, *DrvInfoDetailData) after use.
*
* @return ERROR_SUCCESS on success; Win32 error code otherwise.
*/
WINTUN_STATUS
AdapterGetDrvInfoDetail(
_In_ HDEVINFO DevInfo,
_In_opt_ SP_DEVINFO_DATA *DevInfoData,
_In_ SP_DRVINFO_DATA_W *DrvInfoData,
_Out_ SP_DRVINFO_DETAIL_DATA_W **DrvInfoDetailData);
/**
* Disables all Wintun adapters.
*
* @param DevInfo A handle to the device information set.
*
* @param DisabledAdapters Output list of disabled adapters. The adapters disabled are inserted in the list head.
*
* @return ERROR_SUCCESS on success; Win32 error code otherwise.
*/
WINTUN_STATUS
AdapterDisableAllOurs(_In_ HDEVINFO DevInfo, _Inout_ SP_DEVINFO_DATA_LIST **DisabledAdapters);
/**
* Enables all adapters.
*
* @param DevInfo A handle to the device information set.
*
* @param AdaptersToEnable Input list of adapters to enable.
*
* @return ERROR_SUCCESS on success; Win32 error code otherwise.
*/
WINTUN_STATUS
AdapterEnableAll(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA_LIST *AdaptersToEnable);
/**
* Removes all Wintun adapters.
*
* @return ERROR_SUCCESS on success; Win32 error code otherwise.
*/
WINTUN_STATUS
AdapterDeleteAllOurs(void);
void
AdapterInit(void);
/**
* Wintun adapter descriptor.
*/
typedef struct _WINTUN_ADAPTER
{
GUID CfgInstanceID;
WCHAR DevInstanceID[MAX_INSTANCE_ID];
DWORD LuidIndex;
DWORD IfType;
WCHAR Pool[WINTUN_MAX_POOL];
} WINTUN_ADAPTER;
/**
* @copydoc WINTUN_FREE_ADAPTER_FUNC
*/
void WINAPI
WintunFreeAdapter(_In_ WINTUN_ADAPTER *Adapter);
/**
* @copydoc WINTUN_GET_ADAPTER_DEVICE_OBJECT_FUNC
*/
WINTUN_STATUS WINAPI
WintunGetAdapterDeviceObject(_In_ const WINTUN_ADAPTER *Adapter, _Out_ HANDLE *Handle);
/**
* @copydoc WINTUN_CREATE_ADAPTER_FUNC
*/
WINTUN_STATUS WINAPI
WintunCreateAdapter(
_In_z_count_c_(WINTUN_MAX_POOL) const WCHAR *Pool,
_In_z_count_c_(MAX_ADAPTER_NAME) const WCHAR *Name,
_In_opt_ const GUID *RequestedGUID,
_Out_ WINTUN_ADAPTER **Adapter,
_Inout_ BOOL *RebootRequired);
/**
* @copydoc WINTUN_DELETE_ADAPTER_FUNC
*/
WINTUN_STATUS WINAPI
WintunDeleteAdapter(_In_ const WINTUN_ADAPTER *Adapter, _In_ BOOL ForceCloseSessions, _Inout_ BOOL *RebootRequired);
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