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126 lines
3.5 KiB
126 lines
3.5 KiB
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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ShimHookMacro.h
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Abstract:
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Shim hooking macros
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Notes:
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None
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History:
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11/01/1999 markder Created
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01/10/2000 linstev Format to new style
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--*/
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#ifndef _SHIMHOOKMACRO_H_
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#define _SHIMHOOKMACRO_H_
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#include <ShimDebug.h>
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enum
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{
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APIHOOK_DllGetClassObject = 0,
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APIHOOK_DirectDrawCreate,
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APIHOOK_DirectDrawCreateEx,
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USERAPIHOOKSTART
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};
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enum
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{
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USERCOMHOOKSTART = 0
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};
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typedef struct tagSHIM_COM_HOOK
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{
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CLSID* pCLSID;
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IID* pIID;
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DWORD dwVtblIndex;
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PVOID pfnNew;
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PVOID pfnOld;
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} SHIM_COM_HOOK, *PSHIM_COM_HOOK;
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typedef struct tagSHIM_IFACE_FN_MAP
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{
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PVOID pVtbl;
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PVOID pfnNew;
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PVOID pfnOld;
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PVOID pNext;
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} SHIM_IFACE_FN_MAP, *PSHIM_IFACE_FN_MAP;
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typedef struct tagSHIM_HOOKED_OBJECT
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{
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PVOID pThis;
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CLSID* pCLSID;
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DWORD dwRef;
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BOOL bAddRefTrip;
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BOOL bClassFactory;
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PVOID pNext;
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} SHIM_HOOKED_OBJECT, *PSHIM_HOOKED_OBJECT;
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// These declarations are needed to hook all known exported APIs that return a COM object.
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PVOID LookupOldCOMIntf( PVOID pVtbl, PVOID pfnNew, BOOL bThrowExceptionIfNull );
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void DumpCOMHooks();
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void InitializeHooks(DWORD fdwReason);
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VOID HookObject(IN CLSID *pCLSID, IN REFIID riid, OUT LPVOID *ppv, OUT PSHIM_HOOKED_OBJECT pOb, IN BOOL bClassFactory );
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extern void InitHooks(DWORD dwCount);
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extern void InitComHooks(DWORD dwCount);
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extern HRESULT APIHook_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID * ppv);
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#ifndef LIB_BUILD_FLAG
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extern BOOL g_bAPIHooksInited;
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extern BOOL g_bHasCOMHooks;
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extern PHOOKAPI g_pAPIHooks;
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extern PSHIM_COM_HOOK g_pCOMHooks;
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extern DWORD g_dwAPIHookCount;
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extern DWORD g_dwCOMHookCount;
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#else
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BOOL g_bAPIHooksInited;
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BOOL g_bHasCOMHooks;
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PHOOKAPI g_pAPIHooks;
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PSHIM_COM_HOOK g_pCOMHooks;
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DWORD g_dwAPIHookCount;
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DWORD g_dwCOMHookCount;
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#endif // LIB_BUILD_FLAG
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// Macros for user shims
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#define INIT_HOOKS InitHooks
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#define INIT_COMHOOKS(module, count) \
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ASSERT(g_bAPIHooksInited,"INVALID COMHOOK, INIT_HOOK MACRO MUST BE FIRST!!"); \
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DECLARE_APIHOOK(module, DllGetClassObject); \
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InitComHooks(count);
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#define DECLARE_APIHOOK(module, fn) \
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g_pAPIHooks[APIHOOK_##fn].pszModule = #module; \
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g_pAPIHooks[APIHOOK_##fn].pszFunctionName = #fn; \
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g_pAPIHooks[APIHOOK_##fn].pfnNew = APIHook_##fn; \
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DPF(eDbgLevelInfo, "[declare apihook] " #fn "\n");
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#define DECLARE_COMHOOK(clsid, iid, intf, vtblndx) \
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g_pCOMHooks[COMHOOK_##intf ].pCLSID = (CLSID*) &clsid; \
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g_pCOMHooks[COMHOOK_##intf ].pIID = (IID*) &iid; \
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g_pCOMHooks[COMHOOK_##intf ].dwVtblIndex = vtblndx; \
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g_pCOMHooks[COMHOOK_##intf ].pfnNew = COMHook_##intf; \
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DPF(eDbgLevelInfo, "[declarecomhook] " #intf "\n");
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#define LOOKUP_APIHOOK(fn) \
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(*(_pfn_##fn)(g_pAPIHooks[APIHOOK_##fn].pfnOld))
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#define LOOKUP_COMHOOK(pThis, fn, bThrowException) \
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(*(_pfn_##fn)(LookupOldCOMIntf(*((PVOID *) pThis), COMHook_##fn, bThrowException )))
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#endif // _SHIMHOOKMACRO_H_
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