CopyItems 함수를 연결하려고합니다.하지만 콜백 함수에서 실제 CopyItems 함수를 호출하려고 할 때 충돌이 발생합니다. 코드가 아래와 같습니다.CopyItems Function 후크가 충돌합니다.
PVOID GetInterfaceMethod(PVOID intf, DWORD methodIndex)
{
return *(PVOID*)(*(DWORD*)intf + methodIndex * 4);
}
typedef HRESULT (WINAPI *CopyItemsNext)(IUnknown *punkItems,IShellItem *psiDestinationFolder);
CopyItemsNext Real_CopyItems = NULL;
CopyItemsNext Actual_CopyItems;
HRESULT WINAPI CopyItemsCallback(IUnknown *punkItems,IShellItem *psiDestinationFolder)
{
MessageBoxW(NULL,L"CopyItems Function Called", L"HookedCopyItemS", MB_OK);
return Real_CopyItems(punkItems, psiDestinationFolder);
}
HRESULT WINAPI CoCreateInstanceCallback(REFCLSID rclsid, LPUNKNOWN pUnkOuter, DWORD dwClsContext, REFIID riid, LPVOID *ppv)
{
const char *IFileOperation_GUID = "{3AD05575-8857-4850-9277-11B85BDB8E09}";
char GUIDString[64];
HRESULT HR = Real_CoCreateInstance(rclsid, pUnkOuter, dwClsContext, riid, ppv);
sprintf_s(GUIDString,64, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}\0",
rclsid.Data1, rclsid.Data2, rclsid.Data3,
rclsid.Data4[0], rclsid.Data4[1],
rclsid.Data4[2], rclsid.Data4[3],
rclsid.Data4[4], rclsid.Data4[5],
rclsid.Data4[6], rclsid.Data4[7]);
if(strcmp(GUIDString, IFileOperation_GUID) == 0)
{
MessageBoxA(NULL, "IFileOperation_GUID Found", GUIDString, MB_OK);
if(Real_CopyItems == NULL)
{
Actual_CopyItems = (CopyItemsNext)GetInterfaceMethod(*ppv, 17);
MessageBoxA(NULL,"AFTER GetInterfaceMethod", "TEST", MB_OK);
if (MH_CreateHook(Actual_CopyItems, &CopyItemsCallback, reinterpret_cast<void**>(&Real_CopyItems)) != MH_OK)
{
MessageBoxW(NULL, L"Failed CreateHook Real_CopyItem", L"Info!", MB_ICONWARNING|MB_OK);
}
if (MH_EnableHook(Actual_CopyItems) != MH_OK)
{
MessageBoxW(NULL, L"Failed EnableHook Real_CopyItem", L"Info!", MB_ICONWARNING|MB_OK);
}
}
}
return HR;
}
//DllMain Function
BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
if (MH_Initialize() != MH_OK)
{
MessageBoxW(NULL, L"Failed Initialize", L"Info!", MB_ICONWARNING|MB_OK);
}
if (MH_CreateHook(&CoCreateInstance, &CoCreateInstanceCallback, reinterpret_cast<void**>(&Real_CoCreateInstance)) != MH_OK)
{
MessageBoxW(NULL,L"Failed MH_CreateHook CoCreateInstance",L"Info!",MB_ICONWARNING|MB_OK);
}
if (MH_EnableHook(&CoCreateInstance) != MH_OK)
{
MessageBoxW(NULL,L"Failed MH_EnableHook StartDocA",L"Info!",MB_ICONWARNING|MB_OK);
}
break;
case DLL_PROCESS_DETACH:
if (MH_Uninitialize() != MH_OK)
{
}
if (MH_DisableHook(Actual_CopyItems) != MH_OK)
{
}
if (MH_DisableHook(&CoCreateInstance) != MH_OK)
{
}
break;
}
return TRUE;
}
난 그냥 함수가 후크 연구를하지 점점 날씨를 확인하는 메시지 상자를 표시하고있는 CopyItemsCallback 기능을 내부에 위의 코드에서
, 그래서 나는 내가 부르고 리얼 CopyItems 기능 후 해당 메시지 상자를 가지고 있지만, 거기이다 충돌이 발생하므로 내 코드의 문제점을 확인하십시오.
멋진 답변 BrendanMcK, 정말 많이 감사합니다. –