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Copy pathdllmain.cpp
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35 lines (29 loc) · 834 Bytes
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#include "pch.h"
HANDLE g_hDevice = INVALID_HANDLE_VALUE;
bool OpenDevice() {
UNICODE_STRING devName;
RtlInitUnicodeString(&devName, L"\\Device\\KDataStack");
OBJECT_ATTRIBUTES devAttr;
InitializeObjectAttributes(&devAttr, &devName, 0, nullptr, nullptr);
IO_STATUS_BLOCK ioStatus;
return NT_SUCCESS(NtOpenFile(&g_hDevice, GENERIC_READ | GENERIC_WRITE, &devAttr, &ioStatus, 0, 0));
}
void CloseDevice() {
if (g_hDevice != INVALID_HANDLE_VALUE) {
CloseHandle(g_hDevice);
g_hDevice = INVALID_HANDLE_VALUE;
}
}
BOOL APIENTRY DllMain(HMODULE hModule, DWORD reason, LPVOID lpReserved) {
switch (reason) {
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hModule);
return OpenDevice();
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
CloseDevice();
break;
}
return TRUE;
}