290 lines
6.9 KiB
C++
290 lines
6.9 KiB
C++
//----------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 2000.
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//
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// File: libmain.cxx
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//
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// Contents: Contains the implementation of DLL entry points.
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//
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//----------------------------------------------------------------------------
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#define INITGUID
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#include "cadsxml.hxx"
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#include "adsxmlcf.hxx"
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#include <ole2.h>
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DECLARE_INFOLEVEL(ADs)
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CADsXMLCF g_cfADsXML;
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CRITICAL_SECTION g_ADsXMLCritSect;
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struct CLSCACHE
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{
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const CLSID *pclsid;
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IClassFactory *pCF;
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};
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DEFINE_GUID(CLSID_ADsXML, 0x800fc136,0xb101,0x46c4,0xa5,0xd9,0x80,0xfb,0x31,0x4e,0x1a,0x13);
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CLSCACHE g_aclscache[] =
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{
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&CLSID_ADsXML, &g_cfADsXML
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};
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#define ARRAY_SIZE(_a) (sizeof(_a) / sizeof(_a[0]))
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#define EXTENSION_CLSID L"SOFTWARE\\Microsoft\\ADs\\Providers\\LDAP\\Extensions\\top\\{800fc136-b101-46c4-a5d9-80fb314e1a13}"
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#define EXTENSION_IID L"{91e5c5dc-926b-46ff-9fdb-9fb112bf10e6}"
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extern CRITICAL_SECTION g_ExtTypeInfoCritSect;
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extern CRITICAL_SECTION g_DispTypeInfoCritSect;
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//----------------------------------------------------------------
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//
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// Function: DllGetClassObject
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//
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// Synopsis: Standard DLL entrypoint for locating class factories
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//
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// Arguments:
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//
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// clsid Class ID of object being created
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// iid Interface requested
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// ppv Returns interface requested
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//
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// Returns: S_OK on success, error otherwise
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//
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// Modifies: *ppv to return interface pointer
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//
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//----------------------------------------------------------------
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STDAPI
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DllGetClassObject(
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REFCLSID clsid,
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REFIID iid,
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LPVOID FAR* ppv
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)
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{
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HRESULT hr = S_OK;
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size_t i = 0;
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ADsAssert(ppv != NULL);
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for (i = 0; i < ARRAY_SIZE(g_aclscache); i++)
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{
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if (IsEqualCLSID(clsid, *g_aclscache[i].pclsid))
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{
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hr = g_aclscache[i].pCF->QueryInterface(iid, ppv);
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RRETURN(hr);
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}
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}
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*ppv = NULL;
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RRETURN(E_NOINTERFACE);
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}
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//----------------------------------------------------------------
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//
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// Function: DllCanUnloadNow
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//
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// Synopsis: Standard DLL entrypoint to determine if DLL can be unloaded
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//
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// Arguments: None
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//
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// Returns: Returns S_FALSE if the DLL cannot be unloaded, S_OK otherwise.
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// The DLL can be unloaded if there are no outstanding objects.
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//
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// Modifies: Nothing
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//
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//---------------------------------------------------------------
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STDAPI
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DllCanUnloadNow(void)
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{
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HRESULT hr = S_FALSE;
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EnterCriticalSection(&g_ADsXMLCritSect);
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if(0 == glnObjCnt) {
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hr = S_OK;
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}
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LeaveCriticalSection(&g_ADsXMLCritSect);
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return hr;
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}
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//+---------------------------------------------------------------
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//
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// Function: DllMain
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//
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// Synopsis: Standard DLL initialization entrypoint
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//
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// Arguments:
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//
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// hDll Handle to the DLL module
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// dwReason Reason for calling this entry point
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// lpReserved Reserved
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//
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// Returns: Returns FALSE on failure, TRUE otherwise.
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//
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// Modifies: Nothing
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//
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//---------------------------------------------------------------
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BOOL
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DllMain(HANDLE hDll, DWORD dwReason, LPVOID lpReserved)
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{
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HRESULT hr;
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switch (dwReason) {
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case DLL_PROCESS_ATTACH:
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//
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// Catch case of init crit sect failing.
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//
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__try {
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DisableThreadLibraryCalls((HINSTANCE)hDll);
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InitializeCriticalSection(&g_ADsXMLCritSect);
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#if DBG==1
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#ifndef MSVC
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InitializeCriticalSection(&g_csOT);
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InitializeCriticalSection(&g_csMem);
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#endif
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InitializeCriticalSection(&g_csDP);
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#endif
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InitializeCriticalSection(&g_ExtTypeInfoCritSect);
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InitializeCriticalSection(&g_DispTypeInfoCritSect);
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}
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__except (EXCEPTION_EXECUTE_HANDLER) {
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//
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// Critical failure
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//
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return FALSE;
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}
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break;
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case DLL_PROCESS_DETACH:
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DeleteCriticalSection(&g_ADsXMLCritSect);
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AggregateeFreeTypeInfoTable();
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#if DBG==1
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#ifndef MSVC
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DeleteCriticalSection(&g_csOT);
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DeleteCriticalSection(&g_csMem);
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#endif
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DeleteCriticalSection(&g_csDP);
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#endif
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DeleteCriticalSection(&g_ExtTypeInfoCritSect);
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DeleteCriticalSection(&g_DispTypeInfoCritSect);
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break;
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default:
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return FALSE;
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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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// Function: DllRegisterServer
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//
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// Synopsis: Standard DLL entrypoint to create registry entries for classes
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// supported by this DLL.
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//
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// Arguments: None
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//
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// Returns: Returns S_OK on success, error otherwise.
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//
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// Modifies: Nothing
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//
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//---------------------------------------------------------------
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STDAPI DllRegisterServer(void)
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{
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HRESULT hr = S_OK;
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long lRetVal = 0;
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HKEY hKey;
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lRetVal = RegCreateKeyEx(
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HKEY_LOCAL_MACHINE,
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EXTENSION_CLSID,
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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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if(lRetVal != ERROR_SUCCESS)
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BAIL_ON_FAILURE(hr = HRESULT_FROM_WIN32(lRetVal));
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lRetVal = RegSetValueEx(
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hKey,
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L"Interfaces",
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0,
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REG_SZ,
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(const BYTE *) EXTENSION_IID,
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(wcslen(EXTENSION_IID) + 1) * 2
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);
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if(lRetVal != ERROR_SUCCESS)
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BAIL_ON_FAILURE(hr = HRESULT_FROM_WIN32(lRetVal));
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RegCloseKey(hKey);
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error:
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RRETURN(hr);
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}
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//----------------------------------------------------------------
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//
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// Function: DllUnregisterServer
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//
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// Synopsis: Standard DLL entrypoint to remove registry entries for classes
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// supported by this DLL.
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//
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// Arguments: None
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//
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// Returns: Returns S_OK on success, error otherwise.
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//
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// Modifies: Nothing
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//
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//---------------------------------------------------------------
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STDAPI DllUnregisterServer(void)
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{
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LONG lRetVal = 0;
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HRESULT hr = S_OK;
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lRetVal = RegDeleteKey(
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HKEY_LOCAL_MACHINE,
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EXTENSION_CLSID
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);
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if(lRetVal != ERROR_SUCCESS)
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BAIL_ON_FAILURE(hr = HRESULT_FROM_WIN32(lRetVal));
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lRetVal = RegDeleteKey(
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HKEY_LOCAL_MACHINE,
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L"SOFTWARE\\Microsoft\\ADs\\Providers\\LDAP\\Extensions\\top"
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);
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if(lRetVal != ERROR_SUCCESS)
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BAIL_ON_FAILURE(hr = HRESULT_FROM_WIN32(lRetVal));
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error:
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RRETURN(hr);
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}
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