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1122 lines
34 KiB
1122 lines
34 KiB
/////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1996-2002 Microsoft Corporation
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//
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// Module Name:
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// RegExt.cpp
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//
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// Abstract:
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// Implementation of routines for extension registration.
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//
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// Author:
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// David Potter (davidp) April 9, 1997
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//
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// Revision History:
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//
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// Notes:
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//
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/////////////////////////////////////////////////////////////////////////////
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//#include <stdafx.h>
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#include <ole2.h>
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#include <StrSafe.h>
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#include "clstrcmp.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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#define REG_VALUE_ADMIN_EXTENSIONS L"AdminExtensions"
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/////////////////////////////////////////////////////////////////////////////
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// Static Function Prototypes
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/////////////////////////////////////////////////////////////////////////////
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static HRESULT RegisterAnyCluAdminExtension(
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IN HCLUSTER hCluster,
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IN LPCWSTR pwszKeyName,
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IN const CLSID * pClsid
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);
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static HRESULT RegisterAnyCluAdminExtension(
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IN HKEY hkey,
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IN const CLSID * pClsid
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);
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static HRESULT UnregisterAnyCluAdminExtension(
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IN HCLUSTER hCluster,
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IN LPCWSTR pwszKeyName,
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IN const CLSID * pClsid
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);
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static HRESULT UnregisterAnyCluAdminExtension(
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IN HKEY hkey,
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IN const CLSID * pClsid
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);
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static DWORD ReadValue(
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IN HKEY hkey,
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IN LPCWSTR pwszValueName,
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OUT LPWSTR * ppwszValue,
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OUT size_t * pcchSize
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);
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// RegisterCluAdminClusterExtension
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//
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// Routine Description:
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// Register with the cluster database a Cluster Administrator Extension
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// DLL that extends the cluster object.
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//
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// Arguments:
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// hCluster [IN] Handle to the cluster to modify.
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// pClsid [IN] Extension's CLSID.
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//
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// Return Value:
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// S_OK Extension registered successfully.
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// Win32 error code if another failure occurred.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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STDAPI RegisterCluAdminClusterExtension(
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IN HCLUSTER hCluster,
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IN const CLSID * pClsid
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)
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{
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HRESULT hr;
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HKEY hkey;
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// Get the cluster registry key.
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hkey = GetClusterKey(hCluster, KEY_ALL_ACCESS);
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if (hkey == NULL)
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hr = GetLastError();
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else
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{
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// Register the extension.
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hr = RegisterAnyCluAdminExtension(hkey, pClsid);
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ClusterRegCloseKey(hkey);
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} // else: GetClusterKey succeeded
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return hr;
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} //*** RegisterCluAdminClusterExtension
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// RegisterCluAdminAllNodesExtension
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//
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// Routine Description:
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// Register with the cluster database a Cluster Administrator Extension
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// DLL that extends all nodes.
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//
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// Arguments:
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// hCluster [IN] Handle to the cluster to modify.
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// pClsid [IN] Extension's CLSID.
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//
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// Return Value:
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// S_OK Extension registered successfully.
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// Win32 error code if another failure occurred.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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STDAPI RegisterCluAdminAllNodesExtension(
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IN HCLUSTER hCluster,
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IN const CLSID * pClsid
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)
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{
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HRESULT hr;
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hr = RegisterAnyCluAdminExtension(hCluster, L"Nodes", pClsid);
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return hr;
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} //*** RegisterCluAdminAllNodesExtension
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// RegisterCluAdminAllGroupsExtension
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//
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// Routine Description:
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// Register with the cluster database a Cluster Administrator Extension
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// DLL that extends all groups.
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//
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// Arguments:
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// hCluster [IN] Handle to the cluster to modify.
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// pClsid [IN] Extension's CLSID.
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//
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// Return Value:
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// S_OK Extension registered successfully.
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// Win32 error code if another failure occurred.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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STDAPI RegisterCluAdminAllGroupsExtension(
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IN HCLUSTER hCluster,
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IN const CLSID * pClsid
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)
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{
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HRESULT hr;
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hr = RegisterAnyCluAdminExtension(hCluster, L"Groups", pClsid);
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return hr;
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} //*** RegisterCluAdminAllGroupsExtension
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// RegisterCluAdminAllResourcesExtension
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//
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// Routine Description:
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// Register with the cluster database a Cluster Administrator Extension
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// DLL that extends all resources.
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//
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// Arguments:
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// hCluster [IN] Handle to the cluster to modify.
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// pClsid [IN] Extension's CLSID.
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//
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// Return Value:
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// S_OK Extension registered successfully.
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// Win32 error code if another failure occurred.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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STDAPI RegisterCluAdminAllResourcesExtension(
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IN HCLUSTER hCluster,
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IN const CLSID * pClsid
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)
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{
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HRESULT hr;
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hr = RegisterAnyCluAdminExtension(hCluster, L"Resources", pClsid);
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return hr;
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} //*** RegisterCluAdminAllResourcesExtension
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// RegisterCluAdminAllResourceTypesExtension
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//
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// Routine Description:
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// Register with the cluster database a Cluster Administrator Extension
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// DLL that extends all resource types.
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//
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// Arguments:
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// hCluster [IN] Handle to the cluster to modify.
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// pClsid [IN] Extension's CLSID.
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//
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// Return Value:
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// S_OK Extension registered successfully.
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// Win32 error code if another failure occurred.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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STDAPI RegisterCluAdminAllResourceTypesExtension(
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IN HCLUSTER hCluster,
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IN const CLSID * pClsid
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)
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{
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HRESULT hr;
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hr = RegisterAnyCluAdminExtension(hCluster, L"ResourceTypes", pClsid);
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return hr;
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} //*** RegisterCluAdminAllResourceTypesExtension
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// RegisterCluAdminAllNetworksExtension
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//
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// Routine Description:
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// Register with the cluster database a Cluster Administrator Extension
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// DLL that extends all networks.
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//
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// Arguments:
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// hCluster [IN] Handle to the cluster to modify.
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// pClsid [IN] Extension's CLSID.
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//
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// Return Value:
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// S_OK Extension registered successfully.
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// Win32 error code if another failure occurred.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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STDAPI RegisterCluAdminAllNetworksExtension(
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IN HCLUSTER hCluster,
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IN const CLSID * pClsid
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)
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{
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HRESULT hr;
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hr = RegisterAnyCluAdminExtension(hCluster, L"Networks", pClsid);
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return hr;
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} //*** RegisterCluAdminAllNetworksExtension
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// RegisterCluAdminAllNetInterfacesExtension
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//
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// Routine Description:
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// Register with the cluster database a Cluster Administrator Extension
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// DLL that extends all network interfaces.
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//
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// Arguments:
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// hCluster [IN] Handle to the cluster to modify.
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// pClsid [IN] Extension's CLSID.
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//
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// Return Value:
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// S_OK Extension registered successfully.
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// Win32 error code if another failure occurred.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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STDAPI RegisterCluAdminAllNetInterfacesExtension(
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IN HCLUSTER hCluster,
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IN const CLSID * pClsid
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)
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{
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HRESULT hr;
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hr = RegisterAnyCluAdminExtension(hCluster, L"NetworkInterfaces", pClsid);
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return hr;
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} //*** RegisterCluAdminAllNetInterfacesExtension
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// RegisterCluAdminResourceTypeExtension
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//
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// Routine Description:
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// Register with the cluster database a Cluster Administrator Extension
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// DLL that extends resources of a specific type, or the resource type
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// itself.
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//
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// Arguments:
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// hCluster [IN] Handle to the cluster to modify.
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// pwszResourceType [IN] Resource type name.
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// pClsid [IN] Extension's CLSID.
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//
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// Return Value:
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// S_OK Extension registered successfully.
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// Win32 error code if another failure occurred.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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STDAPI RegisterCluAdminResourceTypeExtension(
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IN HCLUSTER hCluster,
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IN LPCWSTR pwszResourceType,
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IN const CLSID * pClsid
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)
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{
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HRESULT hr;
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HKEY hkey;
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// Get the resource type registry key.
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hkey = GetClusterResourceTypeKey(hCluster, pwszResourceType, KEY_ALL_ACCESS);
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if (hkey == NULL)
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hr = GetLastError();
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else
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{
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// Register the extension.
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hr = RegisterAnyCluAdminExtension(hkey, pClsid);
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ClusterRegCloseKey(hkey);
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} // else: GetClusterResourceTypeKey succeeded
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return hr;
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} //*** RegisterCluAdminResourceTypeExtension
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// UnregisterCluAdminClusterExtension
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//
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// Routine Description:
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// Unregister with the cluster database a Cluster Administrator Extension
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// DLL that extends the cluster object.
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//
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// Arguments:
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// hCluster [IN] Handle to the cluster to modify.
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// pClsid [IN] Extension's CLSID.
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//
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// Return Value:
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// S_OK Extension registered successfully.
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// Win32 error code if another failure occurred.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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STDAPI UnregisterCluAdminClusterExtension(
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IN HCLUSTER hCluster,
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IN const CLSID * pClsid
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)
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{
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HRESULT hr;
|
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HKEY hkey;
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// Get the cluster registry key.
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hkey = GetClusterKey(hCluster, KEY_ALL_ACCESS);
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if (hkey == NULL)
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hr = GetLastError();
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else
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{
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// Unregister the extension.
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hr = UnregisterAnyCluAdminExtension(hkey, pClsid);
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ClusterRegCloseKey(hkey);
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} // else: GetClusterKey succeeded
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return hr;
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} //*** UnregisterCluAdminClusterExtension
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// UnregisterCluAdminAllNodesExtension
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//
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// Routine Description:
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// Unregister with the cluster database a Cluster Administrator Extension
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// DLL that extends all nodes.
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//
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// Arguments:
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// hCluster [IN] Handle to the cluster to modify.
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// pClsid [IN] Extension's CLSID.
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//
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// Return Value:
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// S_OK Extension unregistered successfully.
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// Win32 error code if another failure occurred.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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STDAPI UnregisterCluAdminAllNodesExtension(
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IN HCLUSTER hCluster,
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IN const CLSID * pClsid
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)
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{
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HRESULT hr;
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hr = UnregisterAnyCluAdminExtension(hCluster, L"Nodes", pClsid);
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return hr;
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} //*** UnregisterCluAdminAllNodesExtension
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// UnregisterCluAdminAllGroupsExtension
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//
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// Routine Description:
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// Unregister with the cluster database a Cluster Administrator Extension
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// DLL that extends all groups.
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//
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// Arguments:
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// hCluster [IN] Handle to the cluster to modify.
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// pClsid [IN] Extension's CLSID.
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//
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// Return Value:
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// S_OK Extension unregistered successfully.
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// Win32 error code if another failure occurred.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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STDAPI UnregisterCluAdminAllGroupsExtension(
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IN HCLUSTER hCluster,
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IN const CLSID * pClsid
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)
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{
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HRESULT hr;
|
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hr = UnregisterAnyCluAdminExtension(hCluster, L"Groups", pClsid);
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return hr;
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} //*** UnregisterCluAdminAllGroupsExtension
|
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|
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// UnregisterCluAdminAllResourcesExtension
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//
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// Routine Description:
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// Unregister with the cluster database a Cluster Administrator Extension
|
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// DLL that extends all resources.
|
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//
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// Arguments:
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// hCluster [IN] Handle to the cluster to modify.
|
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// pClsid [IN] Extension's CLSID.
|
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//
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// Return Value:
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|
// S_OK Extension unregistered successfully.
|
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// Win32 error code if another failure occurred.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
|
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STDAPI UnregisterCluAdminAllResourcesExtension(
|
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IN HCLUSTER hCluster,
|
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IN const CLSID * pClsid
|
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)
|
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{
|
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HRESULT hr;
|
|
|
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hr = UnregisterAnyCluAdminExtension(hCluster, L"Resources", pClsid);
|
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return hr;
|
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|
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} //*** UnregisterCluAdminAllResourcesExtension
|
|
|
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/////////////////////////////////////////////////////////////////////////////
|
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//++
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//
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// UnregisterCluAdminAllResourceTypesExtension
|
|
//
|
|
// Routine Description:
|
|
// Unregister with the cluster database a Cluster Administrator Extension
|
|
// DLL that extends all resource types.
|
|
//
|
|
// Arguments:
|
|
// hCluster [IN] Handle to the cluster to modify.
|
|
// pClsid [IN] Extension's CLSID.
|
|
//
|
|
// Return Value:
|
|
// S_OK Extension unregistered successfully.
|
|
// Win32 error code if another failure occurred.
|
|
//
|
|
//--
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
STDAPI UnregisterCluAdminAllResourceTypesExtension(
|
|
IN HCLUSTER hCluster,
|
|
IN const CLSID * pClsid
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = UnregisterAnyCluAdminExtension(hCluster, L"ResourceTypes", pClsid);
|
|
|
|
return hr;
|
|
|
|
} //*** UnregisterCluAdminAllResourceTypesExtension
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// UnregisterCluAdminAllNetworksExtension
|
|
//
|
|
// Routine Description:
|
|
// Unregister with the cluster database a Cluster Administrator Extension
|
|
// DLL that extends all networks.
|
|
//
|
|
// Arguments:
|
|
// hCluster [IN] Handle to the cluster to modify.
|
|
// pClsid [IN] Extension's CLSID.
|
|
//
|
|
// Return Value:
|
|
// S_OK Extension unregistered successfully.
|
|
// Win32 error code if another failure occurred.
|
|
//
|
|
//--
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
STDAPI UnregisterCluAdminAllNetworksExtension(
|
|
IN HCLUSTER hCluster,
|
|
IN const CLSID * pClsid
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = UnregisterAnyCluAdminExtension(hCluster, L"Networks", pClsid);
|
|
|
|
return hr;
|
|
|
|
} //*** UnregisterCluAdminAllNetworksExtension
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// UnregisterCluAdminAllNetInterfacesExtension
|
|
//
|
|
// Routine Description:
|
|
// Unregister with the cluster database a Cluster Administrator Extension
|
|
// DLL that extends all network interfaces.
|
|
//
|
|
// Arguments:
|
|
// hCluster [IN] Handle to the cluster to modify.
|
|
// pClsid [IN] Extension's CLSID.
|
|
//
|
|
// Return Value:
|
|
// S_OK Extension unregistered successfully.
|
|
// Win32 error code if another failure occurred.
|
|
//
|
|
//--
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
STDAPI UnregisterCluAdminAllNetInterfacesExtension(
|
|
IN HCLUSTER hCluster,
|
|
IN const CLSID * pClsid
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = UnregisterAnyCluAdminExtension(hCluster, L"NetworkInterfaces", pClsid);
|
|
|
|
return hr;
|
|
|
|
} //*** UnregisterCluAdminAllNetInterfacesExtension
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// UnregisterCluAdminResourceTypeExtension
|
|
//
|
|
// Routine Description:
|
|
// Unregister with the cluster database a Cluster Administrator Extension
|
|
// DLL that extends resources of a specific type, or the resource type
|
|
// itself.
|
|
//
|
|
// Arguments:
|
|
// hCluster [IN] Handle to the cluster to modify.
|
|
// pwszResourceType [IN] Resource type name.
|
|
// pClsid [IN] Extension's CLSID.
|
|
//
|
|
// Return Value:
|
|
// S_OK Extension unregistered successfully.
|
|
// Win32 error code if another failure occurred.
|
|
//
|
|
//--
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
STDAPI UnregisterCluAdminResourceTypeExtension(
|
|
IN HCLUSTER hCluster,
|
|
IN LPCWSTR pwszResourceType,
|
|
IN const CLSID * pClsid
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
HKEY hkey;
|
|
|
|
// Get the resource type registry key.
|
|
hkey = GetClusterResourceTypeKey(hCluster, pwszResourceType, KEY_ALL_ACCESS);
|
|
if (hkey == NULL)
|
|
hr = GetLastError();
|
|
else
|
|
{
|
|
// Unregister the extension.
|
|
hr = UnregisterAnyCluAdminExtension(hkey, pClsid);
|
|
|
|
ClusterRegCloseKey(hkey);
|
|
} // else: GetClusterResourceTypeKey succeeded
|
|
|
|
return hr;
|
|
|
|
} //*** UnregisterCluAdminResourceTypeExtension
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// RegisterAnyCluAdminExtension
|
|
//
|
|
// Routine Description:
|
|
// Register any Cluster Administrator Extension DLL with the cluster
|
|
// database.
|
|
//
|
|
// Arguments:
|
|
// hCluster [IN] Handle to the cluster to modify.
|
|
// pwszKeyName [IN] Key name.
|
|
// pClsid [IN] Extension's CLSID.
|
|
//
|
|
// Return Value:
|
|
// S_OK Extension registered successfully.
|
|
// Win32 error code if another failure occurred.
|
|
//
|
|
//--
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
static HRESULT RegisterAnyCluAdminExtension(
|
|
IN HCLUSTER hCluster,
|
|
IN LPCWSTR pwszKeyName,
|
|
IN const CLSID * pClsid
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
HKEY hkeyCluster;
|
|
HKEY hkey;
|
|
|
|
// Get the cluster key.
|
|
hkeyCluster = GetClusterKey(hCluster, KEY_ALL_ACCESS);
|
|
if (hkeyCluster == NULL)
|
|
hr = GetLastError();
|
|
else
|
|
{
|
|
// Get the specified key.
|
|
hr = ClusterRegOpenKey(hkeyCluster, pwszKeyName, KEY_ALL_ACCESS, &hkey);
|
|
if (hr == ERROR_SUCCESS)
|
|
{
|
|
// Register the extension.
|
|
hr = RegisterAnyCluAdminExtension(hkey, pClsid);
|
|
|
|
ClusterRegCloseKey(hkey);
|
|
} // else: GetClusterResourceTypeKey succeeded
|
|
|
|
ClusterRegCloseKey(hkeyCluster);
|
|
} // if: CLSID converted to a string successfully
|
|
|
|
return hr;
|
|
|
|
} //*** RegisterAnyCluAdminExtension
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// RegisterAnyCluAdminExtension
|
|
//
|
|
// Routine Description:
|
|
// Register any Cluster Administrator Extension DLL with the cluster
|
|
// database.
|
|
//
|
|
// Arguments:
|
|
// hkey [IN] Cluster database key.
|
|
// pClsid [IN] Extension's CLSID.
|
|
//
|
|
// Return Value:
|
|
// S_OK Extension registered successfully.
|
|
// Win32 error code if another failure occurred.
|
|
//
|
|
//--
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
static HRESULT RegisterAnyCluAdminExtension(
|
|
IN HKEY hkey,
|
|
IN const CLSID * pClsid
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
DWORD sc;
|
|
LPOLESTR pwszClsid;
|
|
size_t cchSize;
|
|
size_t cchNewSize;
|
|
LPWSTR pwszValue;
|
|
LPWSTR pwszNewValue = NULL;
|
|
BOOL bAlreadyRegistered;
|
|
|
|
// Convert the CLSID to a string.
|
|
hr = StringFromCLSID(*pClsid, &pwszClsid);
|
|
if (hr == S_OK)
|
|
{
|
|
// Read the current value.
|
|
sc = ReadValue(hkey, REG_VALUE_ADMIN_EXTENSIONS, &pwszValue, &cchSize);
|
|
if (sc == ERROR_SUCCESS)
|
|
{
|
|
// Check to see if the extension has been registered yet.
|
|
if (pwszValue == NULL)
|
|
{
|
|
bAlreadyRegistered = FALSE;
|
|
}
|
|
else
|
|
{
|
|
LPCWSTR pwszValueBuf = pwszValue;
|
|
size_t cchValueBuf = cchSize;
|
|
size_t cch;
|
|
|
|
while (*pwszValueBuf != L'\0')
|
|
{
|
|
if ( ClRtlStrNICmp( pwszClsid, pwszValueBuf, cchValueBuf) == 0)
|
|
{
|
|
break;
|
|
}
|
|
cch = wcslen(pwszValueBuf) + 1;
|
|
pwszValueBuf += cch;
|
|
cchValueBuf -= cch;
|
|
} // while: more strings in the extension list
|
|
bAlreadyRegistered = (*pwszValueBuf != L'\0');
|
|
} // else: extension value exists
|
|
|
|
// Register the extension.
|
|
if (!bAlreadyRegistered)
|
|
{
|
|
// Allocate a new buffer.
|
|
cchNewSize = cchSize + wcslen(pwszClsid) + 1;
|
|
if (cchSize == 0) // Add size of final NULL if first entry.
|
|
{
|
|
cchNewSize++;
|
|
}
|
|
pwszNewValue = new WCHAR[ cchNewSize ];
|
|
if (pwszNewValue == NULL)
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
goto Cleanup;
|
|
}
|
|
else
|
|
{
|
|
LPCWSTR pwszValueBuf = pwszValue;
|
|
LPWSTR pwszNewValueBuf = pwszNewValue;
|
|
size_t cchNewValueBuf = cchNewSize;
|
|
size_t cch;
|
|
DWORD dwType;
|
|
|
|
// Copy the existing extensions to the new buffer.
|
|
if (pwszValue != NULL)
|
|
{
|
|
while (*pwszValueBuf != L'\0')
|
|
{
|
|
hr = StringCchCopyW( pwszNewValueBuf, cchNewValueBuf, pwszValueBuf );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
goto Cleanup;
|
|
} // if:
|
|
cch = wcslen(pwszValueBuf) + 1;
|
|
pwszValueBuf += cch;
|
|
pwszNewValueBuf += cch;
|
|
cchNewValueBuf -= cch;
|
|
} // while: more strings in the extension list
|
|
} // if: previous value buffer existed
|
|
|
|
// Add the new CLSID to the list.
|
|
hr = StringCchCopyW( pwszNewValueBuf, cchNewValueBuf, pwszClsid );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
goto Cleanup;
|
|
} // if:
|
|
|
|
//
|
|
// Add the double NULL termination.
|
|
//
|
|
pwszNewValueBuf += wcslen( pwszClsid ) + 1;
|
|
*pwszNewValueBuf = L'\0';
|
|
|
|
// Write the value to the cluster database.
|
|
dwType = REG_MULTI_SZ;
|
|
hr = ClusterRegSetValue(
|
|
hkey,
|
|
REG_VALUE_ADMIN_EXTENSIONS,
|
|
dwType,
|
|
(LPBYTE) pwszNewValue,
|
|
static_cast< DWORD >( cchNewSize * sizeof( *pwszNewValue ) )
|
|
);
|
|
if ( hr != ERROR_SUCCESS )
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
} // else: new buffer allocated successfully
|
|
} // if: extension not registered yet
|
|
} // if: value read successfully
|
|
else
|
|
{
|
|
hr = HRESULT_FROM_WIN32( sc );
|
|
}
|
|
} // if: CLSID converted to a string successfully
|
|
|
|
Cleanup:
|
|
|
|
delete [] pwszNewValue;
|
|
delete [] pwszValue;
|
|
CoTaskMemFree( pwszClsid );
|
|
|
|
return hr;
|
|
|
|
} //*** RegisterAnyCluAdminExtension
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// UnregisterAnyCluAdminExtension
|
|
//
|
|
// Routine Description:
|
|
// Unregister any Cluster Administrator Extension DLL with the cluster
|
|
// database.
|
|
//
|
|
// Arguments:
|
|
// hCluster [IN] Handle to the cluster to modify.
|
|
// pwszKeyName [IN] Key name.
|
|
// pClsid [IN] Extension's CLSID.
|
|
//
|
|
// Return Value:
|
|
// S_OK Extension unregistered successfully.
|
|
// Win32 error code if another failure occurred.
|
|
//
|
|
//--
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
static HRESULT UnregisterAnyCluAdminExtension(
|
|
IN HCLUSTER hCluster,
|
|
IN LPCWSTR pwszKeyName,
|
|
IN const CLSID * pClsid
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
HKEY hkeyCluster;
|
|
HKEY hkey;
|
|
|
|
// Get the cluster key.
|
|
hkeyCluster = GetClusterKey(hCluster, KEY_ALL_ACCESS);
|
|
if (hkeyCluster == NULL)
|
|
hr = GetLastError();
|
|
else
|
|
{
|
|
// Get the specified key.
|
|
hr = ClusterRegOpenKey(hkeyCluster, pwszKeyName, KEY_ALL_ACCESS, &hkey);
|
|
if (hr == ERROR_SUCCESS)
|
|
{
|
|
// Unregister the extension.
|
|
hr = UnregisterAnyCluAdminExtension(hkey, pClsid);
|
|
|
|
ClusterRegCloseKey(hkey);
|
|
} // else: GetClusterResourceTypeKey succeeded
|
|
|
|
ClusterRegCloseKey(hkeyCluster);
|
|
} // if: CLSID converted to a string successfully
|
|
|
|
return hr;
|
|
|
|
} //*** UnregisterAnyCluAdminExtension
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// UnregisterAnyCluAdminExtension
|
|
//
|
|
// Routine Description:
|
|
// Unregister any Cluster Administrator Extension DLL with the cluster
|
|
// database.
|
|
//
|
|
// Arguments:
|
|
// hkey [IN] Cluster database key.
|
|
// pClsid [IN] Extension's CLSID.
|
|
//
|
|
// Return Value:
|
|
// S_OK Extension unregistered successfully.
|
|
// Win32 error code if another failure occurred.
|
|
//
|
|
//--
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
static HRESULT UnregisterAnyCluAdminExtension(
|
|
IN HKEY hkey,
|
|
IN const CLSID * pClsid
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
DWORD sc;
|
|
LPOLESTR pwszClsid;
|
|
size_t cchSize;
|
|
size_t cchNewSize;
|
|
LPWSTR pwszValue = NULL;
|
|
LPWSTR pwszNewValue = NULL;
|
|
BOOL bAlreadyUnregistered;
|
|
|
|
// Convert the CLSID to a string.
|
|
hr = StringFromCLSID(*pClsid, &pwszClsid);
|
|
if (hr == S_OK)
|
|
{
|
|
// Read the current value.
|
|
sc = ReadValue(hkey, REG_VALUE_ADMIN_EXTENSIONS, &pwszValue, &cchSize);
|
|
if (sc == ERROR_SUCCESS)
|
|
{
|
|
// Check to see if the extension has been unregistered yet.
|
|
if (pwszValue == NULL)
|
|
{
|
|
bAlreadyUnregistered = TRUE;
|
|
}
|
|
else
|
|
{
|
|
LPCWSTR pwszValueBuf = pwszValue;
|
|
size_t cch;
|
|
size_t cchValueBuf = cchSize;
|
|
|
|
while (*pwszValueBuf != L'\0')
|
|
{
|
|
if ( ClRtlStrNICmp( pwszClsid, pwszValueBuf, cchValueBuf ) == 0 )
|
|
{
|
|
break;
|
|
}
|
|
cch = wcslen(pwszValueBuf) + 1;
|
|
pwszValueBuf += cch;
|
|
cchValueBuf -= cch;
|
|
} // while: more strings in the extension list
|
|
bAlreadyUnregistered = (*pwszValueBuf == L'\0');
|
|
} // else: extension value exists
|
|
|
|
// Unregister the extension.
|
|
if (!bAlreadyUnregistered)
|
|
{
|
|
// Allocate a new buffer.
|
|
cchNewSize = cchSize - ( wcslen( pwszClsid ) + 1 );
|
|
if (cchNewSize == 1) // only the final null left
|
|
{
|
|
cchNewSize = 0;
|
|
}
|
|
pwszNewValue = new WCHAR[ cchNewSize ];
|
|
if (pwszNewValue == NULL)
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
goto Cleanup;
|
|
}
|
|
else
|
|
{
|
|
LPCWSTR pwszValueBuf = pwszValue;
|
|
LPWSTR pwszNewValueBuf = pwszNewValue;
|
|
size_t cchValueBuf = cchSize;
|
|
size_t cchNewValueBuf = cchNewSize;
|
|
size_t cch;
|
|
DWORD dwType;
|
|
|
|
// Copy the existing extensions to the new buffer.
|
|
if ((cchNewSize > 0) && (pwszValue != NULL))
|
|
{
|
|
while (*pwszValueBuf != L'\0')
|
|
{
|
|
if ( ClRtlStrNICmp( pwszClsid, pwszValueBuf, cchValueBuf ) != 0 )
|
|
{
|
|
hr = StringCchCopyNW( pwszNewValueBuf, cchNewValueBuf, pwszValueBuf, cchValueBuf );
|
|
if ( FAILED( hr ) )
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
cch = wcslen(pwszNewValueBuf) + 1;
|
|
pwszNewValueBuf += cch;
|
|
cchNewValueBuf -= cch;
|
|
} // if: not CLSID being removed
|
|
cch = wcslen(pwszValueBuf) + 1;
|
|
pwszValueBuf += cch;
|
|
cchValueBuf -= cch;
|
|
} // while: more strings in the extension list
|
|
*pwszNewValueBuf = L'\0';
|
|
} // if: previous value buffer existed
|
|
|
|
// Write the value to the cluster database.
|
|
dwType = REG_MULTI_SZ;
|
|
hr = ClusterRegSetValue(
|
|
hkey,
|
|
REG_VALUE_ADMIN_EXTENSIONS,
|
|
dwType,
|
|
(LPBYTE) pwszNewValue,
|
|
static_cast< DWORD >( cchNewSize * sizeof( *pwszNewValue ) )
|
|
);
|
|
if ( hr != ERROR_SUCCESS )
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
} // else: new buffer allocated successfully
|
|
} // if: extension not unregistered yet
|
|
} // if: value read successfully
|
|
else
|
|
{
|
|
hr = HRESULT_FROM_WIN32( sc );
|
|
}
|
|
} // if: CLSID converted to a string successfully
|
|
|
|
Cleanup:
|
|
|
|
delete [] pwszNewValue;
|
|
delete [] pwszValue;
|
|
CoTaskMemFree( pwszClsid );
|
|
|
|
return hr;
|
|
|
|
} //*** UnregisterAnyCluAdminExtension
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
//++
|
|
//
|
|
// ReadValue
|
|
//
|
|
// Routine Description:
|
|
// Reads a value from the cluster database.
|
|
//
|
|
// Arguments:
|
|
// hkey [IN] Handle for the key to read from.
|
|
// pwszValueName [IN] Name of value to read.
|
|
// ppwszValue [OUT] Address of pointer in which to return data.
|
|
// The string is allocated using new [] and must
|
|
// be deallocated by the calling delete [].
|
|
// pcchSize [OUT] Size in characters of the allocated value buffer.
|
|
//
|
|
// Return Value:
|
|
// Any return values from ClusterRegQueryValue or errors from new.
|
|
//
|
|
//--
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
static DWORD ReadValue(
|
|
IN HKEY hkey,
|
|
IN LPCWSTR pwszValueName,
|
|
OUT LPWSTR * ppwszValue,
|
|
OUT size_t * pcchSize
|
|
)
|
|
{
|
|
DWORD dwStatus;
|
|
DWORD cbSize;
|
|
DWORD cchSize;
|
|
DWORD dwType;
|
|
LPWSTR pwszValue = NULL;
|
|
|
|
*ppwszValue = NULL;
|
|
*pcchSize = 0;
|
|
|
|
// Get the length of the value.
|
|
dwStatus = ClusterRegQueryValue(
|
|
hkey,
|
|
pwszValueName,
|
|
&dwType,
|
|
NULL,
|
|
&cbSize
|
|
);
|
|
if ( (dwStatus != ERROR_SUCCESS)
|
|
&& (dwStatus != ERROR_MORE_DATA))
|
|
{
|
|
if (dwStatus == ERROR_FILE_NOT_FOUND)
|
|
{
|
|
dwStatus = ERROR_SUCCESS;
|
|
}
|
|
goto Cleanup;
|
|
} // if: error occurred
|
|
|
|
ASSERT( (cbSize % sizeof( WCHAR ) ) == 0 ); // must be even
|
|
cchSize = cbSize / sizeof( WCHAR );
|
|
|
|
if (cbSize > 0)
|
|
{
|
|
// Allocate a value string.
|
|
pwszValue = new WCHAR[ cchSize ];
|
|
if (pwszValue == NULL)
|
|
{
|
|
dwStatus = GetLastError();
|
|
goto Cleanup;
|
|
} // if: error allocating memory
|
|
|
|
// Read the the value.
|
|
dwStatus = ClusterRegQueryValue(
|
|
hkey,
|
|
pwszValueName,
|
|
&dwType,
|
|
(LPBYTE) pwszValue,
|
|
&cbSize
|
|
);
|
|
if (dwStatus != ERROR_SUCCESS)
|
|
{
|
|
delete [] pwszValue;
|
|
pwszValue = NULL;
|
|
cbSize = 0;
|
|
} // if: error occurred
|
|
else
|
|
{
|
|
ASSERT( cchSize * sizeof( WCHAR ) == cbSize );
|
|
}
|
|
|
|
*ppwszValue = pwszValue;
|
|
*pcchSize = static_cast< size_t >( cchSize );
|
|
pwszValue = NULL;
|
|
} // if: value is not empty
|
|
|
|
Cleanup:
|
|
|
|
delete [] pwszValue;
|
|
return dwStatus;
|
|
|
|
} //*** ReadValue
|