Source code of Windows XP (NT5)
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/*++
Copyright (c) 2000-2001 Microsoft Corporation
Module Name:
ShimHook.h
Abstract:
Main header for shim DLLs
Notes:
None
History:
10/29/1999 markder Created
07/16/2001 clupu Merged multiple headers into ShimHook.h
08/13/2001 robkenny Cleaned up, readied for publishing.
--*/
#pragma once
#ifndef _SHIM_HOOK_H_
#define _SHIM_HOOK_H_
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <ntldr.h>
#include <ntddscsi.h>
#include <windows.h>
// Disable warning C4201: nonstandard extension used : nameless struct/union
// Allows shims to be compiled at Warning Level 4
#pragma warning ( disable : 4201 )
#include <mmsystem.h>
#pragma warning ( default : 4201 )
#include <WinDef.h>
#ifdef __cplusplus
extern "C" {
#endif
#include <shimdb.h>
#ifdef __cplusplus
}
#endif
namespace ShimLib
{
/*++
Globals
--*/
extern HINSTANCE g_hinstDll; // The Shim's dll handle
extern BOOL g_bMultiShim; // Does this dll handle multiple shims?
extern DWORD g_dwShimVersion; //
/*++
Typedefs and enums
--*/
typedef struct tagSHIM_COM_HOOK
{
CLSID* pCLSID;
IID* pIID;
DWORD dwVtblIndex;
PVOID pfnNew;
PVOID pfnOld;
} SHIM_COM_HOOK, *PSHIM_COM_HOOK;
typedef struct tagSHIM_IFACE_FN_MAP
{
PVOID pVtbl;
PVOID pfnNew;
PVOID pfnOld;
PVOID pNext;
} SHIM_IFACE_FN_MAP, *PSHIM_IFACE_FN_MAP;
typedef struct tagSHIM_HOOKED_OBJECT
{
PVOID pThis;
CLSID* pCLSID;
DWORD dwRef;
BOOL bAddRefTrip;
BOOL bClassFactory;
PVOID pNext;
} SHIM_HOOKED_OBJECT, *PSHIM_HOOKED_OBJECT;
/*++
Prototypes
--*/
// These declarations are needed to hook all known exported APIs that return a COM object.
PVOID LookupOriginalCOMFunction( PVOID pVtbl, PVOID pfnNew, BOOL bThrowExceptionIfNull );
void DumpCOMHooks();
void InitializeHooks(DWORD fdwReason);
PHOOKAPI InitializeHooksEx(DWORD, LPWSTR, LPSTR, DWORD*);
VOID HookObject(IN CLSID *pCLSID, IN REFIID riid, OUT LPVOID *ppv, OUT PSHIM_HOOKED_OBJECT pOb, IN BOOL bClassFactory );
VOID HookCOMInterface(REFCLSID rclsid, REFIID riid, LPVOID * ppv, BOOL bClassFactory);
VOID AddComHook(REFCLSID clsid, REFIID iid, PVOID hook, DWORD vtblndx);
}; // end of namespace ShimLib
/*++
Defines
--*/
#define IMPLEMENT_SHIM_BEGIN(shim) \
namespace NS_##shim \
{ \
extern const CHAR * g_szModuleName; \
extern CHAR g_szCommandLine[SHIM_COMMAND_LINE_MAX_BUFFER]; \
extern PHOOKAPI g_pAPIHooks;
#define IMPLEMENT_SHIM_STANDALONE(shim) \
namespace NS_##shim \
{ \
const CHAR * g_szModuleName; \
CHAR g_szCommandLine[SHIM_COMMAND_LINE_MAX_BUFFER]; \
PHOOKAPI g_pAPIHooks; \
\
extern PHOOKAPI InitializeHooksMulti( \
DWORD fdwReason, \
LPSTR pszCmdLine, \
DWORD* pdwHookCount \
); \
} \
\
namespace ShimLib { \
VOID \
InitializeHooks(DWORD fdwReason) \
{ \
g_dwShimVersion = 2; \
} \
\
PHOOKAPI \
InitializeHooksEx( \
DWORD fdwReason, \
LPWSTR pwszShim, \
LPSTR pszCmdLine, \
DWORD* pdwHookCount \
) \
{ \
using namespace NS_##shim; \
return InitializeHooksMulti( \
fdwReason, \
pszCmdLine, \
pdwHookCount ); \
} \
} \
namespace NS_##shim \
{ \
#define IMPLEMENT_SHIM_END \
};
/*++
ShimLib specific include files
--*/
#include "ShimProto.h"
#include "ShimLib.h"
#endif // _SHIM_HOOK_H_