386 lines
9.7 KiB
C++
386 lines
9.7 KiB
C++
//***************************************************************************
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//
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// MAINDLL.CPP
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//
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// Purpose: Contains DLL entry points. Also has code that controls
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// when the DLL can be unloaded by tracking the number of
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// objects and locks.
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//
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// Copyright (c) 1996-2001 Microsoft Corporation, All Rights Reserved
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//
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//***************************************************************************
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#include <tchar.h>
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#include <windows.h>
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#include <provtempl.h>
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#include <provmt.h>
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#include <process.h>
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#include <objbase.h>
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#include <olectl.h>
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#include <wbemidl.h>
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#include <wbemint.h>
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#include <provcont.h>
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#include <provevt.h>
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#include <provthrd.h>
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#include <provlog.h>
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#include <instpath.h>
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#include "classfac.h"
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#include "framcomm.h"
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#include "framprov.h"
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#include "guids.h"
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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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// LibMain32
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//
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// Purpose: Entry point for DLL. Good place for initialization.
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// Return: TRUE if OK.
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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 status = TRUE ;
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if ( DLL_PROCESS_DETACH == ulReason )
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{
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DeleteCriticalSection ( & s_CriticalSection ) ;
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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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DisableThreadLibraryCalls(g_hInst); // 158024
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status = TRUE ;
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}
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else if ( DLL_THREAD_DETACH == ulReason )
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{
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status = TRUE ;
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}
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else if ( DLL_THREAD_ATTACH == ulReason )
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{
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status = TRUE ;
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}
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return TRUE ;
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}
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//***************************************************************************
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//
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// DllGetClassObject
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//
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// Purpose: Called by Ole when some client wants a a class factory. Return
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// one only if it is the sort of class this DLL supports.
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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_CFrameworkProviderClassFactory )
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{
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CFrameworkProviderClassFactory *lpunk = new CFrameworkProviderClassFactory ;
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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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// DllCanUnloadNow
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//
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// Purpose: Called periodically by Ole in order to determine if the
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// DLL can be freed.//
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// Return: TRUE if there are no objects in use and the class factory
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// isn't locked.
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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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CFrameworkProviderClassFactory :: s_LocksInProgress ||
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CFrameworkProviderClassFactory :: 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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if ( CImpFrameworkProv :: s_DefaultThreadObject )
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{
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delete CImpFrameworkProv :: s_DefaultThreadObject ;
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CImpFrameworkProv :: s_DefaultThreadObject = NULL ;
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ProvThreadObject :: Closedown () ;
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ProvDebugLog :: Closedown () ;
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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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//Strings used during self registeration
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#define REG_FORMAT_STR __TEXT("%s\\%s")
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#define NOT_INSERT_STR __TEXT("NotInsertable")
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#define INPROC32_STR __TEXT("InprocServer32")
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#define LOCALSERVER32_STR __TEXT("LocalServer32")
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#define PROGID_STR __TEXT("ProgID")
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#define THREADING_MODULE_STR __TEXT("ThreadingModel")
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#define APARTMENT_STR __TEXT("Both")
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#define CLSID_STR __TEXT("CLSID\\")
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#define APPID_STR __TEXT("AppID\\")
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#define PROVIDER_NAME_STR __TEXT("Microsoft WBEM Provider")
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/***************************************************************************
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* SetKeyAndValue
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*
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* Purpose:
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* Private helper function for DllRegisterServer that creates
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* a key, sets a value, and closes that key.
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*
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* Parameters:
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* pszKey LPTSTR to the ame of the key
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* pszSubkey LPTSTR ro the name of a subkey
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* pszValue LPTSTR to the value to store
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*
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* Return Value:
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* BOOL TRUE if successful, FALSE otherwise.
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***************************************************************************/
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BOOL SetKeyAndValue(TCHAR* pszKey, TCHAR* pszSubkey, TCHAR* pszValueName, TCHAR* pszValue)
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{
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HKEY hKey;
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TCHAR szKey[256];
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_tcscpy(szKey, pszKey);
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if (NULL!=pszSubkey)
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{
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_tcscat(szKey, __TEXT("\\"));
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_tcscat(szKey, pszSubkey);
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}
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if (ERROR_SUCCESS!=RegCreateKeyEx(HKEY_CLASSES_ROOT
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, szKey, 0, NULL, REG_OPTION_NON_VOLATILE
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, KEY_ALL_ACCESS, NULL, &hKey, NULL))
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return FALSE;
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if (NULL!=pszValue)
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{
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if (ERROR_SUCCESS != RegSetValueEx(hKey, pszValueName, 0, REG_SZ, (BYTE *)pszValue,
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(lstrlen(pszValue)+1)*sizeof(TCHAR)))
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return FALSE;
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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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* DllRegisterServer
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*
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* Purpose:
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* Instructs the server to create its own registry entries
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*
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* Parameters:
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* None
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*
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* Return Value:
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* HRESULT NOERROR if registration successful, error
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* otherwise.
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***************************************************************************/
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STDAPI RegisterServer( GUID a_ProviderClassId , TCHAR *a_ProviderName )
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{
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TCHAR szModule[512];
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GetModuleFileName(g_hInst,(TCHAR*)szModule, sizeof(szModule)/sizeof(TCHAR));
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TCHAR szProviderClassID[128];
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#ifdef UNICODE
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int iRet = StringFromGUID2(a_ProviderClassId,szProviderClassID, 128);
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#else
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WCHAR wszProviderClassID[128];
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int iRet = StringFromGUID2(a_ProviderClassId, wszProviderClassID, 128);
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WideCharToMultiByte(CP_ACP, 0, wszProviderClassID, -1, szProviderClassID, 128, NULL, NULL);
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#endif
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#ifdef LOCALSERVER
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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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TCHAR szProviderCLSIDClassID[128];
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_tcscpy(szProviderCLSIDClassID,CLSID_STR);
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_tcscat(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 LOCALSERVER
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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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* DllUnregisterServer
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*
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* Purpose:
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* Instructs the server to remove its own registry entries
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*
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* Parameters:
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* None
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*
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* Return Value:
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* HRESULT NOERROR if registration successful, error
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* otherwise.
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***************************************************************************/
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STDAPI UnregisterServer( GUID a_ProviderClassId )
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{
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TCHAR szTemp[128];
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TCHAR szProviderClassID[128];
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#ifdef UNICODE
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int iRet = StringFromGUID2(a_ProviderClassId ,szProviderClassID, 128);
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#else
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WCHAR wszProviderClassID[128];
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int iRet = StringFromGUID2(a_ProviderClassId, wszProviderClassID, 128);
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WideCharToMultiByte(CP_ACP, 0, wszProviderClassID, -1, szProviderClassID, 128, NULL, NULL);
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#endif
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LONG t_Status = 0 ;
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TCHAR szProviderCLSIDClassID[128];
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_tcscpy(szProviderCLSIDClassID,CLSID_STR);
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_tcscat(szProviderCLSIDClassID,szProviderClassID);
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#ifdef LOCALSERVER
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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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t_Status = RegDeleteKey(HKEY_CLASSES_ROOT, szProviderCLSIDAppID);
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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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t_Status = RegDeleteKey(HKEY_CLASSES_ROOT, szTemp);
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#endif
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wsprintf(szTemp, REG_FORMAT_STR, szProviderCLSIDClassID, NOT_INSERT_STR);
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t_Status = RegDeleteKey(HKEY_CLASSES_ROOT, szTemp);
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t_Status = RegDeleteKey(HKEY_CLASSES_ROOT, szProviderCLSIDClassID);
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return S_OK;
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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_CFrameworkProviderClassFactory , PROVIDER_NAME_STR ) ;
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return t_Result ;
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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_CFrameworkProviderClassFactory ) ;
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return t_Result ;
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}
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