251 lines
7.4 KiB
C++
251 lines
7.4 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1991 - 2000.
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//
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// File: FDAEMON.HXX
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//
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// Contents: Filter Daemon
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//
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// Classes: CFilterDaemon
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//
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// History: 26-Mar-93 AmyA Created
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include <pfilter.hxx> // STATUS
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#include <perfobj.hxx>
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#include <time.h>
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#include <imprsnat.hxx>
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#include <ciintf.h>
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#include <lang.hxx>
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#include <pidmap.hxx>
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class CFullPropSpec;
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class CStorageVariant;
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class CCI;
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class PCatalog;
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//+---------------------------------------------------------------------------
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//
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// Class: CNonStoredProps
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//
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// Purpose: Tracks properties that shouldn't be stored in the property cache
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//
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// History: 9-Feb-97 dlee Created.
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//
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//----------------------------------------------------------------------------
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class CNonStoredProps
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{
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public:
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enum { maxCachedSpecs = 20 };
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CNonStoredProps() : _cSpecs( 0 ), _cMetaSpecs( 0 )
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{
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RtlZeroMemory( _afStgPropNonStored, sizeof _afStgPropNonStored );
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}
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void Add( CFullPropSpec const & ps );
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BOOL IsNonStored( CFullPropSpec const & ps );
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private:
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BOOL _afStgPropNonStored[ CSTORAGEPROPERTY ];
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int _cMetaSpecs;
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CFullPropSpec _aMetaSpecs[ maxCachedSpecs ];
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int _cSpecs;
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CFullPropSpec _aSpecs[ maxCachedSpecs ];
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};
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//+-------------------------------------------------------------------------
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//
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// Class: CiProxy
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//
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// Purpose: Channel between filter daemon and content index
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//
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// History: 01-Aug-93 KyleP Modified
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//
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//--------------------------------------------------------------------------
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class CiProxy : public PPidConverter
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{
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public:
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virtual ~CiProxy() {}
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virtual SCODE FilterReady( BYTE * docBuffer,
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ULONG & cb,
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ULONG cMaxDocs ) = 0;
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virtual SCODE FilterDataReady ( BYTE const * pEntryBuf,
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ULONG cb ) = 0;
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virtual SCODE FilterMore( STATUS const * aStatus, ULONG cStatus ) = 0;
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virtual SCODE FilterDone( STATUS const * aStatus, ULONG cStatus ) = 0;
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virtual SCODE FilterStoreValue( WORKID widFake,
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CFullPropSpec const & ps,
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CStorageVariant const & var,
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BOOL & fCanStore ) = 0;
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virtual SCODE FilterStoreSecurity( WORKID widFake,
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PSECURITY_DESCRIPTOR pSD,
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ULONG cbSD,
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BOOL & fCanStore ) = 0;
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};
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class CCiFrameworkParams;
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//+---------------------------------------------------------------------------
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//
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// Class: CFilterDaemon
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//
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// Purpose: Contains the filter driver and a reference to CCI.
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//
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// History: 26-Mar-93 AmyA Created.
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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class CFilterDaemon
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{
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friend class CFilterDocument;
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public:
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CFilterDaemon ( CiProxy & proxy,
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CCiFrameworkParams & params,
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CLangList & LangList,
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BYTE * buf,
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ULONG cbMax,
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ICiCFilterClient *pICiCFilterClient );
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~CFilterDaemon();
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SCODE FilterDataReady ( const BYTE * pEntryBuf, ULONG cb );
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SCODE FilterStoreValue( WORKID widFake,
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CFullPropSpec const & ps,
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CStorageVariant const & var,
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BOOL & fCanStore );
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SCODE FilterStoreSecurity( WORKID widFake,
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PSECURITY_DESCRIPTOR pSD,
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ULONG cbSD,
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BOOL & fCanStore );
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SCODE DoUpdates();
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const ULONG GetFilteredDocuments() const { return _cFilteredDocuments; }
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const ULONG GetFilteredBlocks() const { return _cFilteredBlocks; }
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VOID StopFiltering();
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BOOL IsFilteringStopped() const { return _fStopFilter; }
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BOOL IsWaitingForDocument();
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private:
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void FilterDocs();
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BYTE * _docBuffer;
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ULONG _cbTotal;
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ULONG _cbHdr;
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ULONG _cbDocBuffer;
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CiProxy & _proxy;
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XInterface<ICiCAdviseStatus> _xAdviseStatus;
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XInterface<ICiCFilterClient> _xFilterClient;
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XInterface<ICiCFilterStatus> _xFilterStatus;
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CCiFrameworkParams & _params;
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CI_CLIENT_FILTER_CONFIG_INFO _configInfo;
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CPidMapper _pidmap; // Must be after _proxy
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CLangList & _LangList;
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ULONG _cFilteredDocuments;
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ULONG _cFilteredBlocks;
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BYTE const * _pbCurrentDocument;
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ULONG _cbCurrentDocument;
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BOOL _fStopFilter;
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BOOL _fWaitingForDocument;
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CMutexSem _mutex;
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BOOL _fOwned; // Set to TRUE if the buffer is owned
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BYTE * _entryBuffer; // buffer for CEntryBuffer
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ULONG _cbMax; // Number of bytes in the buffer
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CNonStoredProps _NonStoredProps;
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};
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//+---------------------------------------------------------------------------
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//
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// Member: CFilterDaemon::FilterStoreValue
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//
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// Synopsis: Store a property value.
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//
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// Arguments: [widFake] -- Fake workid (1 - MAX_DOCS_IN_WORDLIST)
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// [ps] -- Property descriptor
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// [var] -- Value
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// [fCanStore] -- on return, TRUE if store succeeded
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//
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// History: 21-Dec-95 KyleP Created
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//
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//----------------------------------------------------------------------------
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inline SCODE CFilterDaemon::FilterStoreValue( WORKID widFake,
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CFullPropSpec const & ps,
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CStorageVariant const & var,
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BOOL & fCanStore )
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{
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return _proxy.FilterStoreValue( widFake, ps, var, fCanStore );
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CFilterDaemon::FilterStoreSecurity
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//
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// Synopsis: Store a file's security descriptor, and map to SDID
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//
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// Arguments: [widFake] -- Fake workid (1 - MAX_DOCS_IN_WORDLIST)
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// [pSD] -- pointer to security descriptor
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// [cbSD] -- size in bytes of security descriptor
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// [fCanStore] -- on return, TRUE if store succeeded
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//
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// History: 07 Feb 96 AlanW Created
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//
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//----------------------------------------------------------------------------
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inline SCODE CFilterDaemon::FilterStoreSecurity( WORKID widFake,
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PSECURITY_DESCRIPTOR pSD,
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ULONG cbSD,
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BOOL & fCanStore )
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{
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return _proxy.FilterStoreSecurity( widFake, pSD, cbSD, fCanStore );
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}
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// Default implementation of CiProxy::FilterStoreSecurity; only used for
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// downlevel index.
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inline SCODE CiProxy::FilterStoreSecurity( WORKID widFake,
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PSECURITY_DESCRIPTOR pSD,
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ULONG cbSD,
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BOOL & fCanStore )
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{
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fCanStore = FALSE;
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return S_OK;
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}
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