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865 lines
22 KiB
865 lines
22 KiB
// group.cpp: implementation of the CRGroups class.
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//
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// Copyright (c)1997-1999 Microsoft Corporation
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//
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//////////////////////////////////////////////////////////////////////
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#include "precomp.h"
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#include "group.h"
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#include "persistmgr.h"
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#include <io.h>
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#include "requestobject.h"
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/*
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Routine Description:
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Name:
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CRGroups::CRGroups
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Functionality:
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This is the constructor. Pass along the parameters to the base class
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Virtual:
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No (you know that, constructor won't be virtual!)
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Arguments:
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pKeyChain - Pointer to the ISceKeyChain COM interface which is prepared
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by the caller who constructs this instance.
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pNamespace - Pointer to WMI namespace of our provider (COM interface).
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Passed along by the caller. Must not be NULL.
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pCtx - Pointer to WMI context object (COM interface). Passed along
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by the caller. It's up to WMI whether this interface pointer is NULL or not.
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Return Value:
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None as any constructor
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Notes:
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if you create any local members, think about initialize them here
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*/
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CRGroups::CRGroups (
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IN ISceKeyChain * pKeyChain,
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IN IWbemServices * pNamespace,
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IN IWbemContext * pCtx
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)
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:
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CGenericClass(pKeyChain, pNamespace, pCtx)
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{
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}
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/*
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Routine Description:
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Name:
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CRGroups::~CRGroups
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Functionality:
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Destructor. Necessary as good C++ discipline since we have virtual functions.
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Virtual:
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Yes.
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Arguments:
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none as any destructor
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Return Value:
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None as any destructor
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Notes:
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if you create any local members, think about whether
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there is any need for a non-trivial destructor
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*/
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CRGroups::~CRGroups ()
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{
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}
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/*
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Routine Description:
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Name:
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CRGroups::CreateObject
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Functionality:
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Create WMI objects (Sce_RestrictedGroup). Depending on parameter atAction,
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this creation may mean:
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(a) Get a single instance (atAction == ACTIONTYPE_GET)
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(b) Get several instances satisfying some criteria (atAction == ACTIONTYPE_QUERY)
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(c) Delete an instance (atAction == ACTIONTYPE_DELETE)
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Virtual:
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Yes.
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Arguments:
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pHandler - COM interface pointer for notifying WMI for creation result.
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atAction - Get single instance ACTIONTYPE_GET
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Get several instances ACTIONTYPE_QUERY
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Delete a single instance ACTIONTYPE_DELETE
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Return Value:
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Success: it must return success code (use SUCCEEDED to test). It is
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not guaranteed to return WBEM_NO_ERROR. The returned objects are indicated to WMI,
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not directly passed back via parameters.
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Failure: Various errors may occurs. Except WBEM_E_NOT_FOUND, any such error should indicate
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the failure of getting the wanted instance. If WBEM_E_NOT_FOUND is returned in querying
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situations, this may not be an error depending on caller's intention.
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Notes:
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*/
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HRESULT
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CRGroups::CreateObject (
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IN IWbemObjectSink * pHandler,
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IN ACTIONTYPE atAction
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)
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{
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//
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// we know how to:
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// Get single instance ACTIONTYPE_GET
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// Delete a single instance ACTIONTYPE_DELETE
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// Get several instances ACTIONTYPE_QUERY
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//
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if ( ACTIONTYPE_GET != atAction &&
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ACTIONTYPE_DELETE != atAction &&
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ACTIONTYPE_QUERY != atAction )
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{
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return WBEM_E_NOT_SUPPORTED;
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}
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//
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// We must have the pStorePath property because that is where
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// our instance is stored.
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// m_srpKeyChain->GetKeyPropertyValue WBEM_S_FALSE if the key is not recognized
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// So, we need to test against WBEM_S_FALSE if the property is mandatory
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//
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CComVariant varGroupName;
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CComVariant varStorePath;
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HRESULT hr = m_srpKeyChain->GetKeyPropertyValue(pStorePath, &varStorePath);
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if (SUCCEEDED(hr))
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{
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hr = m_srpKeyChain->GetKeyPropertyValue(pGroupName, &varGroupName);
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if (FAILED(hr))
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{
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return hr;
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}
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else if (hr == WBEM_S_FALSE && (ACTIONTYPE_QUERY != atAction) )
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{
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return WBEM_E_NOT_FOUND;
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}
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}
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else
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{
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return hr;
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}
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//
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// if we have a valid store path
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//
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if (varStorePath.vt == VT_BSTR)
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{
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//
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// create a store with that path
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//
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CSceStore SceStore;
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hr = SceStore.SetPersistPath(varStorePath.bstrVal);
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if ( SUCCEEDED(hr) )
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{
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//
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// make sure the store (just a file) really exists. The raw path
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// may contain env variables, so we need the expanded path
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//
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DWORD dwAttrib = GetFileAttributes(SceStore.GetExpandedPath());
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if ( dwAttrib != -1 )
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{
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//
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// Make sure that the store type matches
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//
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if ( SceStore.GetStoreType() < SCE_INF_FORMAT ||
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SceStore.GetStoreType() > SCE_JET_ANALYSIS_REQUIRED )
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{
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hr = WBEM_E_INVALID_PARAMETER;
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}
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//
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// everything is ready. We will do a delete or construct depending on the action type.
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//
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if ( SUCCEEDED(hr) )
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{
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if ( ACTIONTYPE_DELETE == atAction )
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{
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hr = DeleteInstance(pHandler, &SceStore, varGroupName.bstrVal);
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}
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else
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{
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BOOL bPostFilter=TRUE;
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DWORD dwCount = 0;
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m_srpKeyChain->GetKeyPropertyCount(&dwCount);
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if ( varGroupName.vt == VT_EMPTY && dwCount == 1 )
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{
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//
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// it's a get single instance
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//
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bPostFilter = FALSE;
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}
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hr = ConstructInstance(pHandler,
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&SceStore,
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varStorePath.bstrVal,
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(varGroupName.vt == VT_BSTR) ? varGroupName.bstrVal : NULL,
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bPostFilter
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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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hr = WBEM_E_NOT_FOUND;
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}
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}
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}
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return hr;
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}
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/*
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Routine Description:
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Name:
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CRGroups::PutInst
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Functionality:
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Put an instance as instructed by WMI. Since this class implements Sce_RestrictedGroup,
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which is persistence oriented, this will cause the Sce_RestrictedGroup object's property
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information to be saved in our store.
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Virtual:
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Yes.
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Arguments:
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pInst - COM interface pointer to the WMI class (Sce_RestrictedGroup) object.
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pHandler - COM interface pointer for notifying WMI of any events.
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pCtx - COM interface pointer. This interface is just something we pass around.
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WMI may mandate it (not now) in the future. But we never construct
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such an interface and so, we just pass around for various WMI API's
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Return Value:
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Success: it must return success code (use SUCCEEDED to test). It is
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not guaranteed to return WBEM_NO_ERROR.
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Failure: Various errors may occurs. Any such error should indicate the failure of persisting
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the instance.
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Notes:
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Since GetProperty will return a success code (WBEM_S_RESET_TO_DEFAULT) when the
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requested property is not present, don't simply use SUCCEEDED or FAILED macros
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to test for the result of retrieving a property.
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*/
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HRESULT
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CRGroups::PutInst (
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IN IWbemClassObject * pInst,
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IN IWbemObjectSink * pHandler,
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IN IWbemContext * pCtx
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)
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{
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HRESULT hr = WBEM_E_INVALID_PARAMETER;
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CComBSTR bstrGroup;
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PSCE_NAME_LIST pnlAdd=NULL;
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DWORD mode;
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CSceStore SceStore;
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//
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// CScePropertyMgr helps us to access WMI object's properties
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// create an instance and attach the WMI object to it.
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// This will always succeed.
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//
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CScePropertyMgr ScePropMgr;
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ScePropMgr.Attach(pInst);
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//
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// the use of the macro SCE_PROV_IfErrorGotoCleanup cause
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// a "goto CleanUp;" with hr set to the return value from
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// the function (macro parameter)
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//
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// get group name, can't be NULL
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SCE_PROV_IfErrorGotoCleanup(ScePropMgr.GetProperty(pGroupName, &bstrGroup));
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if ( hr == WBEM_S_RESET_TO_DEFAULT)
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{
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hr = WBEM_E_ILLEGAL_NULL;
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goto CleanUp;
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}
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// get mode, must be defined
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SCE_PROV_IfErrorGotoCleanup(ScePropMgr.GetProperty(pMode, &mode));
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if ( hr == WBEM_S_RESET_TO_DEFAULT)
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{
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hr = WBEM_E_ILLEGAL_NULL;
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goto CleanUp;
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}
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//
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// get AddList
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//
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SCE_PROV_IfErrorGotoCleanup(ScePropMgr.GetProperty(pAddList, &pnlAdd));
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//
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// ignore RemoveList for now (since we don't support the mode)
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//
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//
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// Attach the WMI object instance to the store and let the store know that
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// it's store is given by the pStorePath property of the instance.
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//
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SCE_PROV_IfErrorGotoCleanup(SceStore.SetPersistProperties(pInst, pStorePath));
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//
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// now save the info to file
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//
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hr = SaveSettingsToStore(&SceStore,
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bstrGroup,
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mode,
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pnlAdd,
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NULL
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);
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CleanUp:
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if ( pnlAdd )
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{
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SceFreeMemory(pnlAdd, SCE_STRUCT_NAME_LIST);
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}
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return hr;
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}
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|
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/*
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Routine Description:
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Name:
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CRGroups::ConstructInstance
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Functionality:
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This is private function to create an instance of Sce_RestrictedGroup.
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Virtual:
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No.
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Arguments:
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pHandler - COM interface pointer for notifying WMI of any events.
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pSceStore - Pointer to our store. It must have been appropriately set up.
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wszLogStorePath - store path, a key property of Sce_RestrictedGroup class.
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wszGroupName - a corresponding key property of Sce_RestrictedGroup class.
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bPostFilter - Controls how WMI will be informed with pHandler->SetStatus.
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Return Value:
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Success: it must return success code (use SUCCEEDED to test). It is
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not guaranteed to return WBEM_NO_ERROR.
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Failure: Various errors may occurs. Any such error should indicate the creating the instance.
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Notes:
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*/
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HRESULT
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CRGroups::ConstructInstance (
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IN IWbemObjectSink * pHandler,
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IN CSceStore * pSceStore,
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IN LPCWSTR wszLogStorePath,
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IN LPCWSTR wszGroupName OPTIONAL,
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IN BOOL bPostFilter
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)
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{
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if (pSceStore == NULL)
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{
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return WBEM_E_INVALID_PARAMETER;
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}
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//
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// ask SCE to read a gigantic structure out from the store. Only SCE
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// knows now to release the memory. Don't just delete it! Use our CSceStore
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// to do the releasing (FreeSecurityProfileInfo)
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//
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PSCE_PROFILE_INFO pInfo=NULL;
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HRESULT hr = pSceStore->GetSecurityProfileInfo(
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AREA_GROUP_MEMBERSHIP,
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&pInfo,
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NULL
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);
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if (SUCCEEDED(hr))
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{
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//
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// we have to search for the user right name in the returned list
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//
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PSCE_GROUP_MEMBERSHIP pGroups = pInfo->pGroupMembership;
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if (wszGroupName)
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{
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//
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// for all the groups, copy the group names
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//
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while ( pGroups)
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{
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if ( pGroups->GroupName == NULL )
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{
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continue;
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}
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if ( _wcsicmp(pGroups->GroupName, wszGroupName)== 0 )
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{
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break;
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}
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pGroups = pGroups->Next;
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}
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}
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PSCE_GROUP_MEMBERSHIP pTmpGrp = pGroups;
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//
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// if the Group information buffer is empty, treat it as "not found"
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//
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if ( pGroups == NULL )
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{
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hr = WBEM_E_NOT_FOUND;
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goto CleanUp;
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}
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|
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//
|
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// the use of the macro SCE_PROV_IfErrorGotoCleanup cause
|
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// a "goto CleanUp;" with hr set to the return value from
|
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// the function (macro parameter)
|
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//
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|
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CComBSTR bstrLogOut;
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SCE_PROV_IfErrorGotoCleanup(MakeSingleBackSlashPath(wszLogStorePath, L'\\', &bstrLogOut));
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|
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//
|
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// CScePropertyMgr helps us to access WMI object's properties.
|
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//
|
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|
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CScePropertyMgr ScePropMgr;
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|
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for ( ; pTmpGrp != NULL; pTmpGrp = pTmpGrp->Next )
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{
|
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CComPtr<IWbemClassObject> srpObj;
|
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SCE_PROV_IfErrorGotoCleanup(SpawnAnInstance(&srpObj));
|
|
|
|
//
|
|
// attach a different WMI object to the property mgr.
|
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// This will always succeed.
|
|
//
|
|
|
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ScePropMgr.Attach(srpObj);
|
|
|
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SCE_PROV_IfErrorGotoCleanup(ScePropMgr.PutProperty(pStorePath, bstrLogOut));
|
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SCE_PROV_IfErrorGotoCleanup(ScePropMgr.PutProperty(pGroupName, pTmpGrp->GroupName));
|
|
|
|
//
|
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// hardcode the mode for now
|
|
//
|
|
|
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DWORD mode = 1;
|
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SCE_PROV_IfErrorGotoCleanup(ScePropMgr.PutProperty(pMode, mode));
|
|
|
|
if ( pTmpGrp->pMembers )
|
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{
|
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SCE_PROV_IfErrorGotoCleanup(ScePropMgr.PutProperty(pAddList, pTmpGrp->pMembers));
|
|
}
|
|
|
|
//
|
|
// ignore RemoveList for now
|
|
//
|
|
|
|
//
|
|
// do the necessary gestures to WMI.
|
|
// the use of WBEM_STATUS_REQUIREMENTS in SetStatus is not documented by WMI
|
|
// at this point. Consult WMI team for detail if you suspect problems with
|
|
// the use of WBEM_STATUS_REQUIREMENTS
|
|
//
|
|
|
|
if ( !bPostFilter ) {
|
|
pHandler->SetStatus(WBEM_STATUS_REQUIREMENTS, S_FALSE, NULL, NULL);
|
|
} else {
|
|
pHandler->SetStatus(WBEM_STATUS_REQUIREMENTS, S_OK, NULL, NULL);
|
|
}
|
|
|
|
//
|
|
// pass the new instance to WMI
|
|
//
|
|
|
|
hr = pHandler->Indicate(1, &srpObj);
|
|
|
|
if ( wszGroupName )
|
|
{
|
|
//
|
|
// get single instance only
|
|
//
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
CleanUp:
|
|
pSceStore->FreeSecurityProfileInfo(pInfo);
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
/*
|
|
Routine Description:
|
|
|
|
Name:
|
|
|
|
CRGroups::DeleteInstance
|
|
|
|
Functionality:
|
|
|
|
remove an instance of Sce_RestrictedGroup from the specified store.
|
|
|
|
Virtual:
|
|
|
|
No.
|
|
|
|
Arguments:
|
|
|
|
pHandler - COM interface pointer for notifying WMI of any events.
|
|
|
|
pSceStore - Pointer to our store. It must have been appropriately set up.
|
|
|
|
wszGroupName - property of the Sce_RestrictedGroup class.
|
|
|
|
Return Value:
|
|
|
|
Success: WBEM_NO_ERROR.
|
|
|
|
Failure: WBEM_E_INVALID_PARAMETER.
|
|
|
|
Notes:
|
|
|
|
*/
|
|
|
|
HRESULT
|
|
CRGroups::DeleteInstance (
|
|
IN IWbemObjectSink *pHandler,
|
|
IN CSceStore* pSceStore,
|
|
IN LPCWSTR wszGroupName
|
|
)
|
|
{
|
|
if (pSceStore == NULL)
|
|
{
|
|
return WBEM_E_INVALID_PARAMETER;
|
|
}
|
|
|
|
pSceStore->DeleteSectionFromStore(wszGroupName);
|
|
|
|
return WBEM_NO_ERROR;
|
|
}
|
|
|
|
/*
|
|
Routine Description:
|
|
|
|
Name:
|
|
|
|
CRGroups::SaveSettingsToStore
|
|
|
|
Functionality:
|
|
|
|
With all the properties of a Sce_RestrictedGroup, this function just saves
|
|
the instance properties to our store.
|
|
|
|
Virtual:
|
|
|
|
No.
|
|
|
|
Arguments:
|
|
|
|
pSceStore - the store.
|
|
|
|
wszGroupName - a corresponding key property of Sce_RestrictedGroup class.
|
|
|
|
mode - another corresponding property of the Sce_RestrictedGroup class.
|
|
|
|
pnlAdd - another corresponding property of the Sce_RestrictedGroup class.
|
|
|
|
pnlRemove - another corresponding property of the Sce_RestrictedGroup class.
|
|
|
|
Return Value:
|
|
|
|
Success: it must return success code (use SUCCEEDED to test). It is
|
|
not guaranteed to return WBEM_NO_ERROR.
|
|
|
|
Failure: Various errors may occurs. Any error indicates the failure to save the instance.
|
|
|
|
Notes:
|
|
*/
|
|
|
|
HRESULT
|
|
CRGroups::SaveSettingsToStore (
|
|
IN CSceStore * pSceStore,
|
|
IN LPCWSTR wszGroupName,
|
|
IN DWORD mode,
|
|
IN PSCE_NAME_LIST pnlAdd,
|
|
IN PSCE_NAME_LIST pnlRemove
|
|
)
|
|
{
|
|
DWORD dwDump;
|
|
|
|
//
|
|
// For a new .inf file. Write an empty buffer to the file
|
|
// will creates the file with right header/signature/unicode format
|
|
// this is harmless for existing files.
|
|
// For database store, this is a no-op.
|
|
//
|
|
|
|
HRESULT hr = pSceStore->WriteSecurityProfileInfo(
|
|
AreaBogus,
|
|
(PSCE_PROFILE_INFO)&dwDump,
|
|
NULL,
|
|
false
|
|
);
|
|
if (FAILED(hr))
|
|
{
|
|
return hr;
|
|
}
|
|
|
|
//
|
|
// ask SCE to read a gigantic structure out from the store. Only SCE
|
|
// knows now to release the memory. Don't just delete it! Use our CSceStore
|
|
// to do the releasing (FreeSecurityProfileInfo)
|
|
//
|
|
|
|
PSCE_PROFILE_INFO pInfo=NULL;
|
|
hr = pSceStore->GetSecurityProfileInfo(
|
|
AREA_GROUP_MEMBERSHIP,
|
|
&pInfo,
|
|
NULL
|
|
);
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
//
|
|
// for INF format, we have to search for the servic name in the returned array
|
|
//
|
|
|
|
PSCE_GROUP_MEMBERSHIP pGroups= pInfo->pGroupMembership;
|
|
PSCE_GROUP_MEMBERSHIP pParent=NULL;
|
|
DWORD i=0;
|
|
|
|
while ( pGroups )
|
|
{
|
|
if ( pGroups->GroupName == NULL )
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if ( _wcsicmp(pGroups->GroupName, wszGroupName)== 0 )
|
|
{
|
|
break;
|
|
}
|
|
pParent = pGroups;
|
|
pGroups = pGroups->Next;
|
|
}
|
|
|
|
if ( pGroups )
|
|
{
|
|
//
|
|
// find it
|
|
//
|
|
|
|
if ( mode == SCE_NO_VALUE )
|
|
{
|
|
//
|
|
// delete it
|
|
//
|
|
|
|
if ( pParent )
|
|
{
|
|
pParent->Next = pGroups->Next;
|
|
}
|
|
else
|
|
{
|
|
pInfo->pGroupMembership = pGroups->Next;
|
|
}
|
|
|
|
//
|
|
// the following worries me: where do we get the knowledge that we need to free this memory?
|
|
// free buffer
|
|
//
|
|
|
|
pGroups->Next = NULL;
|
|
SceFreeMemory(pGroups, SCE_STRUCT_GROUP);
|
|
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// modify it
|
|
//
|
|
|
|
//
|
|
// the following worries me: where do we get the knowledge that we need to free this memory?
|
|
//
|
|
|
|
if ( pGroups->pMembers )
|
|
{
|
|
SceFreeMemory(pGroups->pMembers, SCE_STRUCT_NAME_LIST);
|
|
}
|
|
|
|
pGroups->pMembers = pnlAdd;
|
|
|
|
}
|
|
|
|
if ( SUCCEEDED(hr) )
|
|
{
|
|
|
|
hr = pSceStore->WriteSecurityProfileInfo(
|
|
AREA_GROUP_MEMBERSHIP,
|
|
pInfo,
|
|
NULL,
|
|
false
|
|
);
|
|
}
|
|
|
|
if ( mode != SCE_NO_VALUE )
|
|
{
|
|
//
|
|
// reset the buffer
|
|
//
|
|
|
|
pGroups->pMembers = NULL;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// not found
|
|
//
|
|
|
|
if ( mode == SCE_NO_VALUE )
|
|
{
|
|
//
|
|
// try to delete non exist object
|
|
//
|
|
|
|
hr = WBEM_E_NOT_FOUND;
|
|
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// add this one in
|
|
//
|
|
|
|
SCE_GROUP_MEMBERSHIP addGroup;
|
|
|
|
addGroup.GroupName = (PWSTR)wszGroupName;
|
|
addGroup.pMembers = pnlAdd;
|
|
addGroup.pMemberOf = NULL;
|
|
addGroup.pPrivilegesHeld = NULL;
|
|
addGroup.Status = 0;
|
|
addGroup.Next = NULL;
|
|
|
|
//
|
|
// set the temp buffer pointer to pInfo to set to the store
|
|
//
|
|
|
|
pGroups = pInfo->pGroupMembership;
|
|
pInfo->pGroupMembership = &addGroup;
|
|
|
|
//
|
|
// append this item to the section
|
|
//
|
|
|
|
hr = pSceStore->WriteSecurityProfileInfo(
|
|
AREA_GROUP_MEMBERSHIP,
|
|
pInfo,
|
|
NULL,
|
|
true
|
|
);
|
|
|
|
//
|
|
// reset the buffer pointer
|
|
//
|
|
|
|
pInfo->pGroupMembership = pGroups;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (pInfo != NULL)
|
|
{
|
|
pSceStore->FreeSecurityProfileInfo(pInfo);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|