503 lines
10 KiB
C++
503 lines
10 KiB
C++
/*++
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Copyright (C) 1996-2001 Microsoft Corporation
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Module Name:
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MainDll.cpp
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Abstract:
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History:
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--*/
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#include <precomp.h>
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#include <tchar.h>
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#include <objbase.h>
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#include <comdef.h>
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#include <wbemcli.h>
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#include <wbemint.h>
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#include "Globals.h"
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#include "ClassFac.h"
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#include "Service.h"
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#include "ClassService.h"
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#include "Events.h"
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#include "Guids.h"
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/******************************************************************************
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*
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* Name:
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*
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*
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* Description:
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*
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*
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*****************************************************************************/
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//OK we need this one
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HINSTANCE g_hInst=NULL;
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CRITICAL_SECTION s_CriticalSection ;
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/******************************************************************************
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*
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* Name:
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*
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*
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* Description:
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*
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*
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*****************************************************************************/
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BOOL APIENTRY DllMain (
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HINSTANCE hInstance,
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ULONG ulReason ,
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LPVOID pvReserved
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)
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{
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g_hInst=hInstance;
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BOOL t_Status = TRUE ;
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if ( DLL_PROCESS_DETACH == ulReason )
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{
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HRESULT t_Result = Provider_Globals :: Global_Shutdown () ;
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if ( SUCCEEDED ( t_Result ) )
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{
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t_Status = TRUE ;
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}
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else
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{
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t_Status = FALSE ;
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}
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DeleteCriticalSection ( & s_CriticalSection ) ;
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t_Status = TRUE ;
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}
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else if ( DLL_PROCESS_ATTACH == ulReason )
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{
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InitializeCriticalSection ( & s_CriticalSection ) ;
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HRESULT t_Result = Provider_Globals :: Global_Startup () ;
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if ( SUCCEEDED ( t_Result ) )
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{
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t_Status = TRUE ;
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}
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else
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{
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t_Status = FALSE ;
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}
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DisableThreadLibraryCalls ( hInstance ) ;
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}
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else if ( DLL_THREAD_DETACH == ulReason )
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{
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t_Status = TRUE ;
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}
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else if ( DLL_THREAD_ATTACH == ulReason )
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{
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t_Status = TRUE ;
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}
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return t_Status ;
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}
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/******************************************************************************
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*
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* Name:
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*
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*
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* Description:
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*
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*
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*****************************************************************************/
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STDAPI DllGetClassObject (
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REFCLSID rclsid ,
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REFIID riid,
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void **ppv
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)
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{
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HRESULT status = S_OK ;
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if ( rclsid == CLSID_WmiProvider )
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{
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CProviderClassFactory <CProvider_IWbemServices,IWbemServices> *lpunk = new CProviderClassFactory <CProvider_IWbemServices,IWbemServices> () ;
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if ( lpunk == NULL )
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{
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status = E_OUTOFMEMORY ;
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}
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else
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{
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status = lpunk->QueryInterface ( riid , ppv ) ;
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if ( FAILED ( status ) )
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{
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delete lpunk ;
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}
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else
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{
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}
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}
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}
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else if ( rclsid == CLSID_WmiClassProvider )
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{
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CProviderClassFactory <CClassProvider_IWbemServices,IWbemServices> *lpunk = new CProviderClassFactory <CClassProvider_IWbemServices,IWbemServices> () ;
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if ( lpunk == NULL )
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{
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status = E_OUTOFMEMORY ;
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}
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else
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{
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status = lpunk->QueryInterface ( riid , ppv ) ;
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if ( FAILED ( status ) )
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{
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delete lpunk ;
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}
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else
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{
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}
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}
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}
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else if ( rclsid == CLSID_WmiEventProvider )
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{
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CProviderClassFactory <CProvider_IWbemEventProvider,IWbemEventProvider> *lpunk = new CProviderClassFactory <CProvider_IWbemEventProvider,IWbemEventProvider> () ;
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if ( lpunk == NULL )
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{
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status = E_OUTOFMEMORY ;
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}
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else
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{
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status = lpunk->QueryInterface ( riid , ppv ) ;
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if ( FAILED ( status ) )
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{
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delete lpunk ;
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}
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else
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{
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}
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}
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}
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else
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{
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status = CLASS_E_CLASSNOTAVAILABLE ;
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}
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return status ;
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}
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/******************************************************************************
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*
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* Name:
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*
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*
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* Description:
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*
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*
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*****************************************************************************/
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STDAPI DllCanUnloadNow ()
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{
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/*
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* Place code in critical section
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*/
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EnterCriticalSection ( & s_CriticalSection ) ;
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BOOL unload = (
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Provider_Globals :: s_LocksInProgress ||
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Provider_Globals :: s_ObjectsInProgress
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) ;
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unload = ! unload ;
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if ( unload )
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{
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}
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LeaveCriticalSection ( & s_CriticalSection ) ;
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return unload ? ResultFromScode ( S_OK ) : ResultFromScode ( S_FALSE ) ;
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}
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/******************************************************************************
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*
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* Name:
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*
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*
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* Description:
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*
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*
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*****************************************************************************/
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//Strings used during self registeration
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#define REG_FORMAT_STR L"%s\\%s"
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#define NOT_INSERT_STR L"NotInsertable"
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#define INPROC32_STR L"InprocServer32"
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#define LOCALSERVER32_STR L"LocalServer32"
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#define THREADING_MODULE_STR L"ThreadingModel"
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#ifdef WMIASSTA
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#define APARTMENT_STR L"Apartment"
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#else
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#define APARTMENT_STR L"Both"
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#endif
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#define APPID_VALUE_STR L"APPID"
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#define APPID_STR L"APPID\\"
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#define CLSID_STR L"CLSID\\"
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#define WMI_TASKPROVIDER __TEXT("Microsoft WMI Task Provider")
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#define WMI_PROVIDER __TEXT("Microsoft WMI Provider")
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#define WMI_EVENTPROVIDER __TEXT("Microsoft WMI Event Provider")
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#define WMI_CLASSPROVIDER __TEXT("Microsoft WMI Class Provider")
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/******************************************************************************
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*
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* Name:
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*
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*
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* Description:
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*
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*
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*****************************************************************************/
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BOOL SetKeyAndValue ( wchar_t *pszKey , wchar_t *pszSubkey , wchar_t *pszValueName , wchar_t *pszValue )
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{
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HKEY hKey;
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wchar_t szKey[256];
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wcscpy ( szKey , pszKey ) ;
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if ( NULL != pszSubkey )
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{
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wcscat ( szKey , L"\\" ) ;
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wcscat ( szKey , pszSubkey ) ;
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}
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if ( ERROR_SUCCESS != RegCreateKeyEx (
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HKEY_CLASSES_ROOT ,
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szKey ,
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0,
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NULL,
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REG_OPTION_NON_VOLATILE ,
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KEY_ALL_ACCESS,
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NULL,
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&hKey,
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NULL
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)
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)
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{
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return FALSE ;
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}
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if ( NULL != pszValue )
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{
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if ( ERROR_SUCCESS != RegSetValueEx (
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hKey,
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pszValueName,
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0,
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REG_SZ,
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(BYTE *) pszValue ,
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(lstrlen(pszValue)+1)*sizeof(wchar_t)
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)
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)
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{
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return FALSE;
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}
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}
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RegCloseKey ( hKey ) ;
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return TRUE;
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}
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/******************************************************************************
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*
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* Name:
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*
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*
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* Description:
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*
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*
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*****************************************************************************/
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STDAPI RegisterServer ( GUID a_ProviderClassId , wchar_t *a_ProviderName )
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{
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wchar_t szModule[512];
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GetModuleFileName(g_hInst,(wchar_t*)szModule, sizeof(szModule)/sizeof(wchar_t));
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wchar_t szProviderClassID[128];
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wchar_t szProviderCLSIDClassID[128];
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int iRet = StringFromGUID2(a_ProviderClassId,szProviderClassID, 128);
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#ifdef WMIASLOCAL
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TCHAR szProviderCLSIDAppID[128];
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_tcscpy(szProviderCLSIDAppID,APPID_STR);
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_tcscat(szProviderCLSIDAppID,szProviderClassID);
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if (FALSE ==SetKeyAndValue(szProviderCLSIDAppID, NULL, NULL, a_ProviderName ))
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return SELFREG_E_CLASS;
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#endif
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wcscpy(szProviderCLSIDClassID,CLSID_STR);
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wcscat(szProviderCLSIDClassID,szProviderClassID);
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//Create entries under CLSID
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if (FALSE ==SetKeyAndValue(szProviderCLSIDClassID, NULL, NULL, a_ProviderName ))
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return SELFREG_E_CLASS;
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if (FALSE ==SetKeyAndValue(szProviderCLSIDClassID, NOT_INSERT_STR, NULL, NULL))
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return SELFREG_E_CLASS;
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#ifdef WMIASLOCAL
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if (FALSE ==SetKeyAndValue(szProviderCLSIDClassID, LOCALSERVER32_STR, NULL,szModule))
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return SELFREG_E_CLASS;
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if (FALSE ==SetKeyAndValue(szProviderCLSIDClassID, LOCALSERVER32_STR,THREADING_MODULE_STR, APARTMENT_STR))
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return SELFREG_E_CLASS;
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#else
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if (FALSE ==SetKeyAndValue(szProviderCLSIDClassID, INPROC32_STR, NULL,szModule))
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return SELFREG_E_CLASS;
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if (FALSE ==SetKeyAndValue(szProviderCLSIDClassID, INPROC32_STR,THREADING_MODULE_STR, APARTMENT_STR))
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return SELFREG_E_CLASS;
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#endif
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return S_OK;
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}
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/******************************************************************************
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*
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* Name:
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*
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*
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* Description:
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*
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*
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*****************************************************************************/
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STDAPI UnregisterServer ( GUID a_ProviderClassId )
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{
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wchar_t szTemp[128];
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wchar_t szProviderClassID[128];
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wchar_t szProviderCLSIDClassID[128];
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int iRet = StringFromGUID2(a_ProviderClassId ,szProviderClassID, 128);
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wcscpy(szProviderCLSIDClassID,CLSID_STR);
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wcscat(szProviderCLSIDClassID,szProviderClassID);
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//Delete entries under CLSID
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wsprintf(szTemp, REG_FORMAT_STR, szProviderCLSIDClassID, NOT_INSERT_STR);
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RegDeleteKey(HKEY_CLASSES_ROOT, szTemp);
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#ifdef WMIASLOCAL
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TCHAR szProviderCLSIDAppID[128];
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_tcscpy(szProviderCLSIDAppID,APPID_STR);
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_tcscat(szProviderCLSIDAppID,szProviderClassID);
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//Delete entries under APPID
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DWORD t_Status = RegDeleteKey(HKEY_CLASSES_ROOT, szProviderCLSIDAppID);
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_tcscpy(szProviderCLSIDAppID,APPID_STR);
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_tcscat(szProviderCLSIDAppID,szProviderClassID);
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wsprintf(szTemp, REG_FORMAT_STR,szProviderCLSIDClassID, LOCALSERVER32_STR);
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t_Status = RegDeleteKey(HKEY_CLASSES_ROOT, szTemp);
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#else
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wsprintf(szTemp, REG_FORMAT_STR,szProviderCLSIDClassID, INPROC32_STR);
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RegDeleteKey(HKEY_CLASSES_ROOT, szTemp);
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#endif
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RegDeleteKey(HKEY_CLASSES_ROOT, szProviderCLSIDClassID);
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return S_OK;
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}
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/******************************************************************************
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*
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* Name:
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*
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*
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* Description:
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*
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*
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*****************************************************************************/
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STDAPI DllRegisterServer ()
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{
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HRESULT t_Result ;
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t_Result = RegisterServer ( CLSID_WmiProvider , WMI_PROVIDER ) ;
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if ( SUCCEEDED ( t_Result ) )
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{
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t_Result = RegisterServer ( CLSID_WmiClassProvider , WMI_CLASSPROVIDER ) ;
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}
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if ( SUCCEEDED ( t_Result ) )
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{
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t_Result = RegisterServer ( CLSID_WmiEventProvider , WMI_EVENTPROVIDER ) ;
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}
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if ( SUCCEEDED ( t_Result ) )
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{
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t_Result = RegisterServer ( CLSID_WmiTaskProvider , WMI_TASKPROVIDER ) ;
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}
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return t_Result ;
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}
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/******************************************************************************
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*
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* Name:
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*
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*
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* Description:
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*
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*
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*****************************************************************************/
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STDAPI DllUnregisterServer ()
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{
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HRESULT t_Result ;
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t_Result = UnregisterServer ( CLSID_WmiProvider ) ;
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if ( SUCCEEDED ( t_Result ) )
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{
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t_Result = UnregisterServer ( CLSID_WmiClassProvider ) ;
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}
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if ( SUCCEEDED ( t_Result ) )
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{
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t_Result = UnregisterServer ( CLSID_WmiEventProvider ) ;
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}
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if ( SUCCEEDED ( t_Result ) )
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{
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t_Result = UnregisterServer ( CLSID_WmiTaskProvider ) ;
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}
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return t_Result ;
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}
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