faf7d3771c
The WintunCreateAdapter()+CreateAdapter() and WintunDeleteAdapter()+ DeleteAdapter() communicate using Unicode anonymous pipes now. This allows the WintunCreateAdapter() to exactly determine the adapter CreateAdapter() just created by its GUID rather than its name - avoiding the possible ambiguity caused by same-adapter-name ordinal suffixes. This also allows exact retrieval of the result code and pending reboot flag from the rundll32 child process. Furthermore, CreateAdapter() and DeleteAdapter() are now available in _DEBUG for all platforms to allow testing. It took a #pragma comment( linker, "/EXPORT") trick to stop compiler from decorating function names and exporting as _CreateAdapter@16() and _DeleteAdapter@16() in x86. Signed-off-by: Simon Rozman <simon@rozman.si>
214 lines
7.5 KiB
C
214 lines
7.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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*
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* Copyright (C) 2018-2020 WireGuard LLC. All Rights Reserved.
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*/
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#pragma once
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#include <Windows.h>
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#include <IPExport.h>
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typedef _Return_type_success_(return == ERROR_SUCCESS) DWORD WINTUN_STATUS;
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/**
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* A handle representing Wintun adapter
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*/
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typedef void *WINTUN_ADAPTER_HANDLE;
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#define MAX_POOL 256
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/**
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* Creates a Wintun adapter.
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*
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* @param Pool Name of the adapter pool.
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*
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* @param Name The requested name of the adapter.
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*
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* @param RequestedGUID The GUID of the created network adapter, which then influences NLA generation
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* deterministically. If it is set to NULL, the GUID is chosen by the system at random, and hence
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* a new NLA entry is created for each new adapter. It is called "requested" GUID because the API
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* it uses is completely undocumented, and so there could be minor interesting complications with
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* its usage.
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*
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* @param Adapter Pointer to a handle to receive the adapter handle. Must be released with
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* WintunFreeAdapter.
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*
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* @param RebootRequired Pointer to a boolean flag to be set to TRUE in case SetupAPI suggests a reboot. Must be
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* initialised to FALSE manually before this function is called.
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*
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* @return ERROR_SUCCESS on success; Win32 error code otherwise.
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*/
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typedef WINTUN_STATUS(WINAPI *WINTUN_CREATE_ADAPTER_FUNC)(
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_In_z_count_c_(MAX_POOL) const WCHAR *Pool,
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_In_z_count_c_(MAX_ADAPTER_NAME) const WCHAR *Name,
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_In_opt_ const GUID *RequestedGUID,
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_Out_ WINTUN_ADAPTER_HANDLE *Adapter,
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_Inout_ BOOL *RebootRequired);
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/**
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* Deletes a Wintun adapter.
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*
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* @param Adapter Adapter handle obtained with WintunGetAdapter or WintunCreateAdapter.
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*
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* @param RebootRequired Pointer to a boolean flag to be set to TRUE in case SetupAPI suggests a reboot. Must be
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* initialised to FALSE manually before this function is called.
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*
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* @return ERROR_SUCCESS on success or the adapter was not found; Win32 error code otherwise.
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*/
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typedef WINTUN_STATUS(
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WINAPI *WINTUN_DELETE_ADAPTER_FUNC)(_In_ WINTUN_ADAPTER_HANDLE Adapter, _Inout_ BOOL *RebootRequired);
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/**
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* Called by WintunEnumAdapters for each adapter in the pool.
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*
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* @param Adapter Adapter handle.
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*
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* @param Param An application-defined value passed to the WintunEnumAdapters.
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*
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* @return Non-zero to continue iterating adapters; zero to stop.
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*/
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typedef BOOL(CALLBACK *WINTUN_ENUM_FUNC)(_In_ WINTUN_ADAPTER_HANDLE Adapter, _In_ LPARAM Param);
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/**
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* Enumerates all Wintun adapters.
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*
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* @param Pool Name of the adapter pool.
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*
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* @param Func Callback function. To continue enumeration, the callback function must return TRUE; to stop
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* enumeration, it must return FALSE.
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*
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* @param Param An application-defined value to be passed to the callback function.
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*
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* @return ERROR_SUCCESS on success; Win32 error code otherwise.
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*/
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typedef WINTUN_STATUS(WINAPI *WINTUN_ENUM_ADAPTERS_FUNC)(
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_In_z_count_c_(MAX_POOL) const WCHAR *Pool,
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_In_ WINTUN_ENUM_FUNC Func,
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_In_ LPARAM Param);
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/**
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* Releases Wintun adapter resources.
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*
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* @param Adapter Adapter handle obtained with WintunGetAdapter or WintunCreateAdapter.
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*/
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typedef void(WINAPI *WINTUN_FREE_ADAPTER_FUNC)(_In_ WINTUN_ADAPTER_HANDLE Adapter);
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/**
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* Finds a Wintun adapter by its name.
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*
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* @param Pool Name of the adapter pool.
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*
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* @param Name Adapter name.
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*
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* @param Adapter Pointer to a handle to receive the adapter handle. Must be released with WintunFreeAdapter.
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*
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* @return ERROR_SUCCESS on success; ERROR_FILE_NOT_FOUND if adapter with given name is not found; ERROR_ALREADY_EXISTS
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* if adapter is found but not a Wintun-class or not a member of the pool; Win32 error code otherwise
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*/
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typedef WINTUN_STATUS(WINAPI *WINTUN_GET_ADAPTER_FUNC)(
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_In_z_count_c_(MAX_POOL) const WCHAR *Pool,
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_In_z_count_c_(MAX_ADAPTER_NAME) const WCHAR *Name,
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_Out_ WINTUN_ADAPTER_HANDLE *Adapter);
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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 WintunGetAdapter or WintunCreateAdapter.
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*
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* @param Handle Pointer to receive the adapter device object handle. Must be released with CloseHandle.
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*
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* @return ERROR_SUCCESS on success; Win32 error code otherwise.
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*/
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typedef WINTUN_STATUS(
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WINAPI *WINTUN_GET_ADAPTER_DEVICE_OBJECT_FUNC)(_In_ WINTUN_ADAPTER_HANDLE Adapter, _Out_ HANDLE *Handle);
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/**
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* Returns the GUID of the adapter.
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*
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* @param Adapter Adapter handle obtained with WintunGetAdapter or WintunCreateAdapter
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*
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* @param Guid Pointer to GUID to receive adapter ID.
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*/
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typedef void(WINAPI *WINTUN_GET_ADAPTER_GUID_FUNC)(_In_ WINTUN_ADAPTER_HANDLE Adapter, _Out_ GUID *Guid);
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/**
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* Returns the LUID of the adapter.
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*
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* @param Adapter Adapter handle obtained with WintunGetAdapter or WintunCreateAdapter
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*
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* @param Luid Pointer to LUID to receive adapter LUID.
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*/
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typedef void(WINAPI *WINTUN_GET_ADAPTER_LUID_FUNC)(_In_ WINTUN_ADAPTER_HANDLE Adapter, _Out_ LUID *Luid);
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/**
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* Returns the name of the Wintun adapter.
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*
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* @param Adapter Adapter handle obtained with WintunGetAdapter or WintunCreateAdapter
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*
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* @param Name Pointer to a string to receive adapter name
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*
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* @return ERROR_SUCCESS on success; Win32 error code otherwise.
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*/
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typedef WINTUN_STATUS(WINAPI *WINTUN_GET_ADAPTER_NAME_FUNC)(
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_In_ WINTUN_ADAPTER_HANDLE Adapter,
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_Out_cap_c_(MAX_ADAPTER_NAME) WCHAR *Name);
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/**
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* Returns the version of the Wintun driver and NDIS system currently loaded.
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*
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* @param DriverVersionMaj Pointer to a DWORD to receive the Wintun driver major version number.
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*
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* @param DriverVersionMin Pointer to a DWORD to receive the Wintun driver minor version number.
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*
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* @param NdisVersionMaj Pointer to a DWORD to receive the NDIS major version number.
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*
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* @param NdisVersionMin Pointer to a DWORD to receive the NDIS minor version number.
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*
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* @return ERROR_SUCCESS on success; Win32 error code otherwise.
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*/
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typedef WINTUN_STATUS(WINAPI *WINTUN_GET_VERSION_FUNC)(
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_Out_ DWORD *DriverVersionMaj,
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_Out_ DWORD *DriverVersionMin,
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_Out_ DWORD *NdisVersionMaj,
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_Out_ DWORD *NdisVersionMin);
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/**
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* Sets name of the Wintun adapter.
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*
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* @param Adapter Adapter handle obtained with WintunGetAdapter or WintunCreateAdapter
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*
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* @param Name Adapter name
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*
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* @return ERROR_SUCCESS on success; Win32 error code otherwise.
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*/
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typedef WINTUN_STATUS(WINAPI *WINTUN_SET_ADAPTER_NAME_FUNC)(
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_In_ WINTUN_ADAPTER_HANDLE Adapter,
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_In_z_count_c_(MAX_ADAPTER_NAME) const WCHAR *Name);
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typedef enum _WINTUN_LOGGER_LEVEL
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{
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WINTUN_LOG_INFO = 0,
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WINTUN_LOG_WARN,
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WINTUN_LOG_ERR
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} WINTUN_LOGGER_LEVEL;
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/**
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* Called by internal logger to report diagnostic messages
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*
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* @param Level Message level.
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*
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* @param Message Message text.
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*
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* @return Anything - return value is ignored.
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*/
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typedef BOOL(CALLBACK *WINTUN_LOGGER_FUNC)(_In_ WINTUN_LOGGER_LEVEL Level, _In_z_ const WCHAR *Message);
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/**
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* Sets logger callback function.
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*
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* @param NewLogger Pointer to callback function to use as a new global logger. NewLogger may be called from various
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* threads concurrently. Should the logging require serialization, you must handle serialization in
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* NewLogger.
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*/
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typedef void(WINAPI *WINTUN_SET_LOGGER_FUNC)(_In_ WINTUN_LOGGER_FUNC NewLogger);
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