[Driver] pID per Processname auslesen

#define INVALID_HANDLE_VALUE ((HANDLE)(LONG_PTR)-1)
 
HANDLE GetProcessIdByName(const char* cProcessName)
{
	PEPROCESS PeProcess = PsGetCurrentProcess();
	HANDLE pID = INVALID_HANDLE_VALUE;
	NTSTATUS Status = STATUS_SUCCESS;
	PCHAR pProcessName = 0;
 
	if (PeProcess != 0)
	{
		for (ULONG i = 0; i < PAGE_SIZE * 3; i++)
		{
			Status = PsLookupProcessByProcessId((HANDLE)i, &PeProcess);
 
			if (Status != STATUS_SUCCESS)
				continue;
 
			if (PeProcess <= 0)
				continue;
 
			pProcessName = PsGetProcessImageFileName(PeProcess);
 
			if (pProcessName)
			{
				if (!strncmp(cProcessName, pProcessName, strlen(cProcessName)))
				{
					pID = (HANDLE)i;
					break;
				}
			}
		}
	}
 
	return pID;
}