Leaked source code of windows server 2003
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//
// Copyright (c) 1997-2001 Microsoft Corporation, All Rights Reserved
//
// ***************************************************************************
//
// Original Author: Rajesh Rao
//
// $Author: rajeshr $
// $Date: 6/11/98 4:43p $
// $Workfile: maindll.cpp $
//
// $Modtime: 6/11/98 11:21a $
// $Revision: 1 $
// $Nokeywords: $
//
//
// Description: Contains DLL entry points. Also has code that controls
// when the DLL can be unloaded by tracking the number of objects and locks.
//
//***************************************************************************
#include "precomp.h"
#include <initguid.h>
#include "dscpguid.h"
#include "dsipguid.h"
// HANDLE of the DLL
HINSTANCE g_hInst = NULL;
// Count of locks
long g_lComponents = 0;
// Count of active locks
long g_lServerLocks = 0;
// A critical section to create/delete statics
CRITICAL_SECTION g_StaticsCreationDeletion;
ProvDebugLog *g_pLogObject = NULL;
//***************************************************************************
//
// DllMain
//
// Description: Entry point for DLL. Good place for initialization.
// Parameters: The standard DllMain() parameters
// Return: TRUE if OK.
//***************************************************************************
BOOL APIENTRY DllMain (
HINSTANCE hInstance,
ULONG ulReason ,
LPVOID pvReserved
)
{
g_hInst = hInstance;
BOOL status = TRUE ;
if ( DLL_PROCESS_ATTACH == ulReason )
{
// Initialize the critical section to access the static initializer objects
InitializeCriticalSection(&g_StaticsCreationDeletion);
// Initialize the static Initializer objects. These are destroyed in DllCanUnloadNow
CDSClassProviderClassFactory :: s_pDSClassProviderInitializer = NULL;
CDSClassProviderClassFactory ::s_pLDAPClassProviderInitializer = NULL;
CDSInstanceProviderClassFactory :: s_pDSInstanceProviderInitializer = NULL;
DisableThreadLibraryCalls(g_hInst); // 158024
g_pLogObject = ProvDebugLog::GetProvDebugLog(LOG_DSPROV);
status = TRUE ;
}
else if ( DLL_PROCESS_DETACH == ulReason )
{
DeleteCriticalSection(&g_StaticsCreationDeletion);
status = TRUE ;
}
else if ( DLL_THREAD_DETACH == ulReason )
{
status = TRUE ;
}
else if ( DLL_THREAD_ATTACH == ulReason )
{
status = TRUE ;
}
return status ;
}
//***************************************************************************
//
// DllGetClassObject
//
// Description: Called by COM when some client wants a a class factory.
//
// Parameters: Ths standard DllGetClassObject() parameters
//
// Return Value: S_OK only if it is the sort of class this DLL supports.
//
//***************************************************************************
STDAPI DllGetClassObject (
REFCLSID rclsid ,
REFIID riid,
void **ppv
)
{
HRESULT status = S_OK ;
try
{
if ( rclsid == CLSID_DSProvider )
{
CDSClassProviderClassFactory *lpunk = NULL;
lpunk = new CDSClassProviderClassFactory ;
status = lpunk->QueryInterface ( riid , ppv ) ;
if ( FAILED ( status ) )
{
delete lpunk ;
}
}
else if ( rclsid == CLSID_DSClassAssocProvider )
{
CDSClassAssociationsProviderClassFactory *lpunk = new CDSClassAssociationsProviderClassFactory ;
status = lpunk->QueryInterface ( riid , ppv ) ;
if ( FAILED ( status ) )
{
delete lpunk ;
}
}
else if ( rclsid == CLSID_DSInstanceProvider )
{
CDSInstanceProviderClassFactory *lpunk = new CDSInstanceProviderClassFactory ;
status = lpunk->QueryInterface ( riid , ppv ) ;
if ( FAILED ( status ) )
{
delete lpunk ;
}
}
else
{
status = CLASS_E_CLASSNOTAVAILABLE ;
}
}
catch(Heap_Exception e_HE)
{
status = E_OUTOFMEMORY ;
}
return status ;
}
//***************************************************************************
//
// DllCanUnloadNow
//
// Description: Called periodically by COM in order to determine if the
// DLL can be unloaded.
//
// Return Value: S_OK if there are no objects in use and the class factory
// isn't locked.
//***************************************************************************
STDAPI DllCanUnloadNow ()
{
HRESULT hResult = S_FALSE;
EnterCriticalSection(&g_StaticsCreationDeletion);
try
{
if(g_lServerLocks == 0 && g_lComponents == 0)
{
// Delete the Initializer objects
if ( g_pLogObject )
{
g_pLogObject->WriteW(L"DllCanUnloadNow called\r\n");
}
if ( CDSClassProviderClassFactory::s_pDSClassProviderInitializer )
{
delete CDSClassProviderClassFactory::s_pDSClassProviderInitializer;
CDSClassProviderClassFactory::s_pDSClassProviderInitializer = NULL;
}
if ( CDSClassProviderClassFactory::s_pLDAPClassProviderInitializer )
{
delete CDSClassProviderClassFactory::s_pLDAPClassProviderInitializer;
CDSClassProviderClassFactory::s_pLDAPClassProviderInitializer = NULL;
}
if ( CDSInstanceProviderClassFactory::s_pDSInstanceProviderInitializer )
{
delete CDSInstanceProviderClassFactory::s_pDSInstanceProviderInitializer;
CDSInstanceProviderClassFactory::s_pDSInstanceProviderInitializer = NULL;
}
hResult = S_OK;
}
}
catch ( ... )
{
}
LeaveCriticalSection(&g_StaticsCreationDeletion);
return hResult;
}
/***************************************************************************
*
* SetKeyAndValue
*
* Description: Helper function for DllRegisterServer that creates
* a key, sets a value, and closes that key. If pszSubkey is NULL, then
* the value is created for the pszKey key.
*
* Parameters:
* pszKey LPTSTR to the name of the key
* pszSubkey LPTSTR to the name of a subkey
* pszValueName LPTSTR to the value name to use
* pszValue LPTSTR to the value to store
*
* Return Value:
* BOOL TRUE if successful, FALSE otherwise.
***************************************************************************/
BOOL SetKeyAndValue(LPCTSTR pszKey, LPCTSTR pszSubkey, LPCTSTR pszValueName, LPCTSTR pszValue)
{
HKEY hKey;
TCHAR szKey[256];
_tcscpy(szKey, pszKey);
// If a sub key is mentioned, use it.
if (NULL != pszSubkey)
{
_tcscat(szKey, __TEXT("\\"));
_tcscat(szKey, pszSubkey);
}
if (ERROR_SUCCESS != RegCreateKeyEx(HKEY_LOCAL_MACHINE,
szKey, 0, NULL, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, &hKey, NULL))
return FALSE;
if (NULL != pszValue)
{
if (ERROR_SUCCESS != RegSetValueEx(hKey, pszValueName, 0, REG_SZ, (BYTE *)pszValue,
(_tcslen(pszValue)+1)*sizeof(TCHAR)))
return FALSE;
}
RegCloseKey(hKey);
return TRUE;
}
/***************************************************************************
*
* DeleteKey
*
* Description: Helper function for DllUnRegisterServer that deletes the subkey
* of a key.
*
* Parameters:
* pszKey LPTSTR to the name of the key
* pszSubkey LPTSTR ro the name of a subkey
*
* Return Value:
* BOOL TRUE if successful, FALSE otherwise.
***************************************************************************/
BOOL DeleteKey(LPCTSTR pszKey, LPCTSTR pszSubkey)
{
HKEY hKey;
if (ERROR_SUCCESS != RegCreateKeyEx(HKEY_LOCAL_MACHINE,
pszKey, 0, NULL, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, &hKey, NULL))
return FALSE;
if(ERROR_SUCCESS != RegDeleteKey(hKey, pszSubkey))
return FALSE;
RegCloseKey(hKey);
return TRUE;
}
////////////////////////////////////////////////////////////////////
// Strings used during self registration
////////////////////////////////////////////////////////////////////
LPCTSTR INPROC32_STR = __TEXT("InprocServer32");
LPCTSTR INPROC_STR = __TEXT("InprocServer");
LPCTSTR THREADING_MODEL_STR = __TEXT("ThreadingModel");
LPCTSTR APARTMENT_STR = __TEXT("Both");
LPCTSTR CLSID_STR = __TEXT("SOFTWARE\\CLASSES\\CLSID\\");
// DS Class Provider
LPCTSTR DSPROVIDER_NAME_STR = __TEXT("Microsoft NT DS Class Provider for WBEM");
// DS Class Associations provider
LPCTSTR DS_ASSOC_PROVIDER_NAME_STR = __TEXT("Microsoft NT DS Class Associations Provider for WBEM");
// DS Instance provider
LPCTSTR DS_INSTANCE_PROVIDER_NAME_STR = __TEXT("Microsoft NT DS Instance Provider for WBEM");
STDAPI DllRegisterServer()
{
TCHAR szModule[512];
GetModuleFileName(g_hInst, szModule, sizeof(szModule)/sizeof(TCHAR));
TCHAR szDSProviderClassID[128];
TCHAR szDSProviderCLSIDClassID[128];
#ifdef UNICODE
if(StringFromGUID2(CLSID_DSProvider, szDSProviderClassID, 128) == 0)
return SELFREG_E_CLASS;
#else
WCHAR wszDSProviderClassID[128];
if(StringFromGUID2(CLSID_DSProvider, wszDSProviderClassID, 128) == 0)
return SELFREG_E_CLASS;
WideCharToMultiByte(CP_ACP, 0, wszDSProviderClassID, -1, szDSProviderClassID, 128, NULL, NULL);
#endif
_tcscpy(szDSProviderCLSIDClassID, CLSID_STR);
_tcscat(szDSProviderCLSIDClassID, szDSProviderClassID);
//
// Create entries under CLSID for DS Class Provider
//
if (FALSE == SetKeyAndValue(szDSProviderCLSIDClassID, NULL, NULL, DSPROVIDER_NAME_STR))
return SELFREG_E_CLASS;
if (FALSE == SetKeyAndValue(szDSProviderCLSIDClassID, INPROC32_STR, NULL, szModule))
return SELFREG_E_CLASS;
if (FALSE == SetKeyAndValue(szDSProviderCLSIDClassID, INPROC32_STR, THREADING_MODEL_STR, APARTMENT_STR))
return SELFREG_E_CLASS;
TCHAR szDSClassAssocProviderClassID[128];
TCHAR szDSClassAssocProviderCLSIDClassID[128];
#ifdef UNICODE
if(StringFromGUID2(CLSID_DSClassAssocProvider, szDSClassAssocProviderClassID, 128) == 0)
return SELFREG_E_CLASS;
#else
WCHAR wszDSClassAssocProviderClassID[128];
if(StringFromGUID2(CLSID_DSClassAssocProvider, wszDSClassAssocProviderClassID, 128) == 0)
return SELFREG_E_CLASS;
WideCharToMultiByte(CP_ACP, 0, wszDSClassAssocProviderClassID, -1, szDSClassAssocProviderClassID, 128, NULL, NULL);
#endif
_tcscpy(szDSClassAssocProviderCLSIDClassID, CLSID_STR);
_tcscat(szDSClassAssocProviderCLSIDClassID, szDSClassAssocProviderClassID);
//
// Create entries under CLSID for DS Class Associations Provider
//
if (FALSE == SetKeyAndValue(szDSClassAssocProviderCLSIDClassID, NULL, NULL, DS_ASSOC_PROVIDER_NAME_STR))
return SELFREG_E_CLASS;
if (FALSE == SetKeyAndValue(szDSClassAssocProviderCLSIDClassID, INPROC32_STR, NULL, szModule))
return SELFREG_E_CLASS;
if (FALSE == SetKeyAndValue(szDSClassAssocProviderCLSIDClassID, INPROC32_STR, THREADING_MODEL_STR, APARTMENT_STR))
return SELFREG_E_CLASS;
TCHAR szDSInstanceProviderClassID[128];
TCHAR szDSInstanceProviderCLSIDClassID[128];
#ifdef UNICODE
if(StringFromGUID2(CLSID_DSInstanceProvider, szDSInstanceProviderClassID, 128) == 0)
return SELFREG_E_CLASS;
#else
WCHAR wszDSInstanceProviderClassID[128];
if(StringFromGUID2(CLSID_DSInstanceProvider, wszDSInstanceProviderClassID, 128) == 0)
return SELFREG_E_CLASS;
WideCharToMultiByte(CP_ACP, 0, wszDSInstanceProviderClassID, -1, szDSInstanceProviderClassID, 128, NULL, NULL);
#endif
_tcscpy(szDSInstanceProviderCLSIDClassID, CLSID_STR);
_tcscat(szDSInstanceProviderCLSIDClassID, szDSInstanceProviderClassID);
//
// Create entries under CLSID for DS Instance Provider
//
if (FALSE == SetKeyAndValue(szDSInstanceProviderCLSIDClassID, NULL, NULL, DS_INSTANCE_PROVIDER_NAME_STR))
return SELFREG_E_CLASS;
if (FALSE == SetKeyAndValue(szDSInstanceProviderCLSIDClassID, INPROC32_STR, NULL, szModule))
return SELFREG_E_CLASS;
if (FALSE == SetKeyAndValue(szDSInstanceProviderCLSIDClassID, INPROC32_STR, THREADING_MODEL_STR, APARTMENT_STR))
return SELFREG_E_CLASS;
return S_OK;
}
STDAPI DllUnregisterServer(void)
{
TCHAR szModule[512];
GetModuleFileName(g_hInst,szModule, sizeof(szModule)/sizeof(TCHAR));
TCHAR szDSProviderClassID[128];
TCHAR szDSProviderCLSIDClassID[128];
#ifdef UNICODE
if(StringFromGUID2(CLSID_DSProvider, szDSProviderClassID, 128) == 0)
return SELFREG_E_CLASS;
#else
WCHAR wszDSProviderClassID[128];
if(StringFromGUID2(CLSID_DSProvider, wszDSProviderClassID, 128) == 0)
return SELFREG_E_CLASS;
WideCharToMultiByte(CP_ACP, 0, wszDSProviderClassID, -1, szDSProviderClassID, 128, NULL, NULL);
#endif
_tcscpy(szDSProviderCLSIDClassID, CLSID_STR);
_tcscat(szDSProviderCLSIDClassID, szDSProviderClassID);
//
// Delete the keys for DS Class Provider in the reverse order of creation in DllRegisterServer()
//
if(FALSE == DeleteKey(szDSProviderCLSIDClassID, INPROC32_STR))
return SELFREG_E_CLASS;
if(FALSE == DeleteKey(CLSID_STR, szDSProviderClassID))
return SELFREG_E_CLASS;
TCHAR szDSClassAssocProviderClassID[128];
TCHAR szDSClassAssocProviderCLSIDClassID[128];
#ifdef UNICODE
if(StringFromGUID2(CLSID_DSClassAssocProvider, szDSClassAssocProviderClassID, 128) == 0)
return SELFREG_E_CLASS;
#else
WCHAR wszDSClassAssocProviderClassID[128];
if(StringFromGUID2(CLSID_DSClassAssocProvider, wszDSClassAssocProviderClassID, 128) == 0)
return SELFREG_E_CLASS;
WideCharToMultiByte(CP_ACP, 0, wszDSClassAssocProviderClassID, -1, szDSClassAssocProviderClassID, 128, NULL, NULL);
#endif
_tcscpy(szDSClassAssocProviderCLSIDClassID, CLSID_STR);
_tcscat(szDSClassAssocProviderCLSIDClassID, szDSClassAssocProviderClassID);
//
// Delete the keys for DS Class Provider in the reverse order of creation in DllRegisterServer()
//
if(FALSE == DeleteKey(szDSClassAssocProviderCLSIDClassID, INPROC32_STR))
return SELFREG_E_CLASS;
if(FALSE == DeleteKey(CLSID_STR, szDSClassAssocProviderClassID))
return SELFREG_E_CLASS;
TCHAR szDSInstanceProviderClassID[128];
TCHAR szDSInstanceProviderCLSIDClassID[128];
#ifdef UNICODE
if(StringFromGUID2(CLSID_DSInstanceProvider, szDSInstanceProviderClassID, 128) == 0)
return SELFREG_E_CLASS;
#else
WCHAR wszDSInstanceProviderClassID[128];
if(StringFromGUID2(CLSID_DSInstanceProvider, wszDSInstanceProviderClassID, 128) == 0)
return SELFREG_E_CLASS;
WideCharToMultiByte(CP_ACP, 0, wszDSInstanceProviderClassID, -1, szDSInstanceProviderClassID, 128, NULL, NULL);
#endif
_tcscpy(szDSInstanceProviderCLSIDClassID, CLSID_STR);
_tcscat(szDSInstanceProviderCLSIDClassID, szDSInstanceProviderClassID);
//
// Delete the keys in the reverse order of creation in DllRegisterServer()
//
if(FALSE == DeleteKey(szDSInstanceProviderCLSIDClassID, INPROC32_STR))
return SELFREG_E_CLASS;
if(FALSE == DeleteKey(CLSID_STR, szDSInstanceProviderClassID))
return SELFREG_E_CLASS;
return S_OK;
}