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////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2014 Microsoft Corporation. All Rights Reserved.
//
// Module Name:
// HelperFunctions_RedirectData.h
//
// Abstract:
// This module contains prototypes for kernel helper functions that assist with REDIRECT_DATA.
//
// Author:
// Dusty Harper (DHarper)
//
// Revision History:
//
// [ Month ][Day] [Year] - [Revision]-[ Comments ]
// May 01, 2010 - 1.0 - Creation
// December 13, 2013 - 1.1 - Enhance support for ALE redirection.
//
////////////////////////////////////////////////////////////////////////////////////////////////////
#ifndef HELPERFUNCTIONS_REDIRECT_DATA_H
#define HELPERFUNCTIONS_REDIRECT_DATA_H
typedef struct REDIRECTION_HANDLE_DATA_
{
HANDLE* pConnectRedirectionHandle;
HANDLE* pBindRedirectionHandle;
}REDIRECTION_HANDLE_DATA,*PREDIRECTION_HANDLE_DATA;
typedef struct REDIRECT_DATA_
{
UINT64 classifyHandle;
#if(NTDDI_VERSION >= NTDDI_WIN8)
HANDLE redirectHandle;
#endif /// (NTDDI_VERSION >= NTDDI_WIN8)
VOID* pWritableLayerData; /// FWPS_BIND_REQUEST or FWPS_CONNECT_REQUEST
PC_PROXY_DATA* pProxyData;
FWPS_CLASSIFY_OUT* pClassifyOut;
BOOLEAN isPended;
BYTE pReserved[7];
}REDIRECT_DATA, *PREDIRECT_DATA;
#if(NTDDI_VERSION >= NTDDI_WIN7)
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
VOID KrnlHlprRedirectDataPurge(_Inout_ REDIRECT_DATA* pRedirectData);
_At_(*ppRedirectData, _Pre_ _Notnull_)
_At_(*ppRedirectData, _Post_ _Null_ __drv_freesMem(Pool))
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Success_(*ppRedirectData == 0)
VOID KrnlHlprRedirectDataDestroy(_Inout_ REDIRECT_DATA** ppRedirectData);
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprRedirectDataPopulate(_Inout_ REDIRECT_DATA* pRedirectData,
_In_ const VOID* pClassifyContext,
_In_ const FWPS_FILTER* pFilter,
_In_ FWPS_CLASSIFY_OUT* pClassifyOut,
_In_opt_ HANDLE redirectHandle);
_At_(*ppRedirectData, _Pre_ _Null_)
_When_(return != STATUS_SUCCESS, _At_(*ppRedirectData, _Post_ _Null_))
_When_(return == STATUS_SUCCESS, _At_(*ppRedirectData, _Post_ _Notnull_ __drv_allocatesMem(Pool)))
_IRQL_requires_min_(PASSIVE_LEVEL)
_IRQL_requires_max_(DISPATCH_LEVEL)
_IRQL_requires_same_
_Check_return_
_Success_(return == STATUS_SUCCESS)
NTSTATUS KrnlHlprRedirectDataCreate(_Outptr_ REDIRECT_DATA** ppRedirectData,
_In_ const VOID* pClassifyContext,
_In_ const FWPS_FILTER* pFilter,
_In_ FWPS_CLASSIFY_OUT* pClassifyOut,
_In_opt_ HANDLE redirectHandle);
#endif // (NTDDI_VERSION >= NTDDI_WIN7)
#endif /// HELPERFUNCTIONS_REDIRECT_DATA_H
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