119 lines
2.7 KiB
C++
119 lines
2.7 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1997-1999.
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//
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// File: Persist.cpp
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//
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// Contents: Implementation of persistence
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//
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//----------------------------------------------------------------------------
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#include "stdafx.h"
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#include "compdata.h"
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USE_HANDLE_MACROS("CERTTMPL(persist.cpp)")
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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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PCWSTR PchGetMachineNameOverride(); // Defined in chooser.cpp
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/////////////////////////////////////////////////
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// The _dwMagicword is the internal version number.
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// Increment this number if you make a file format change.
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#define _dwMagicword 10002
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/////////////////////////////////////////////////////////////////////
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STDMETHODIMP CCertTmplComponentData::Load(IStream __RPC_FAR *pIStream)
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{
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HRESULT hr = S_OK;;
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#ifndef DONT_PERSIST
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ASSERT (pIStream);
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XSafeInterfacePtr<IStream> pIStreamSafePtr( pIStream );
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// Read the magic word from the stream
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DWORD dwMagicword;
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hr = pIStream->Read( OUT &dwMagicword, sizeof(dwMagicword), NULL );
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if ( FAILED(hr) )
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{
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ASSERT( FALSE );
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return hr;
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}
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if (dwMagicword != _dwMagicword)
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{
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// We have a version mismatch
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_TRACE(0, L"INFO: CCertTmplComponentData::Load() - Wrong Magicword. You need to re-save your .msc file.\n");
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return E_FAIL;
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}
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// read domain name from stream
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DWORD dwLen = 0;
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hr = pIStream->Read (&dwLen, 4, NULL);
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if ( FAILED (hr) )
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{
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ASSERT (FALSE);
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return hr;
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}
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ASSERT (dwLen <= MAX_PATH * sizeof (WCHAR));
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PCWSTR wcszDomainName = (PCWSTR) alloca (dwLen);
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hr = pIStream->Read ((PVOID) wcszDomainName, dwLen, NULL);
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if ( FAILED (hr) )
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{
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ASSERT (FALSE);
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return hr;
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}
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m_szManagedDomain = wcszDomainName;
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#endif
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return S_OK;
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}
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/////////////////////////////////////////////////////////////////////
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STDMETHODIMP CCertTmplComponentData::Save(IStream __RPC_FAR *pIStream, BOOL /*fSameAsLoad*/)
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{
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HRESULT hr = S_OK;
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#ifndef DONT_PERSIST
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ASSERT (pIStream);
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XSafeInterfacePtr<IStream> pIStreamSafePtr( pIStream );
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// Store the magic word to the stream
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DWORD dwMagicword = _dwMagicword;
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hr = pIStream->Write( IN &dwMagicword, sizeof(dwMagicword), NULL );
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if ( FAILED(hr) )
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{
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ASSERT( FALSE );
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return hr;
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}
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// Persist m_szManagedDomain length and m_szManagedDomain
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PCWSTR wcszDomainName = m_szManagedDomain;
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size_t dwLen = (::wcslen (wcszDomainName) + 1) * sizeof (WCHAR);
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ASSERT( 4 == sizeof(DWORD) );
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hr = pIStream->Write (&dwLen, 4, NULL);
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if ( FAILED(hr) )
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{
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ASSERT( FALSE );
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return hr;
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}
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hr = pIStream->Write (wcszDomainName, (ULONG) dwLen, NULL);
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if ( FAILED (hr) )
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{
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ASSERT (FALSE);
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return hr;
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}
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#endif
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return S_OK;
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}
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