Leaked source code of windows server 2003
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126 lines
3.3 KiB

//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1997-2002.
//
// File: Persist.cpp
//
// Contents: Implementation of persistence
//
//----------------------------------------------------------------------------
#include "stdafx.h"
#include "compdata.h"
USE_HANDLE_MACROS("CERTTMPL(persist.cpp)")
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////
// The _dwMagicword is the internal version number.
// Increment this number if you make a file format change.
#define _dwMagicword 10002
/////////////////////////////////////////////////////////////////////
STDMETHODIMP CCertTmplComponentData::Load(IStream __RPC_FAR *pIStream)
{
HRESULT hr = S_OK;;
#ifndef DONT_PERSIST
ASSERT (pIStream);
XSafeInterfacePtr<IStream> pIStreamSafePtr( pIStream );
// Read the magic word from the stream
DWORD dwMagicword;
hr = pIStream->Read( OUT &dwMagicword, sizeof(dwMagicword), NULL );
if ( SUCCEEDED (hr) )
{
if (dwMagicword != _dwMagicword)
{
// We have a version mismatch
_TRACE(0, L"INFO: CCertTmplComponentData::Load() - Wrong Magicword. You need to re-save your .msc file.\n");
return E_FAIL;
}
// read domain name from stream
DWORD dwLen = 0;
hr = pIStream->Read (&dwLen, 4, NULL);
if ( SUCCEEDED (hr) )
{
ASSERT (dwLen <= MAX_PATH * sizeof (WCHAR));
if ( dwLen <= MAX_PATH * sizeof (WCHAR) )
{
try
{
// security push 2/22/2002 BryanWal ok
PWSTR wcszDomainName = (PWSTR) alloca (dwLen);
hr = pIStream->Read ((PVOID) wcszDomainName, dwLen, NULL);
if ( SUCCEEDED (hr) )
{
// NOTICE: ensure null-termination
wcszDomainName[dwLen-1] = 0;
m_szManagedDomain = wcszDomainName;
}
}
catch (CException* e)
{
e->Delete ();
}
}
else
hr = E_FAIL;
}
}
#endif
return hr;
}
/////////////////////////////////////////////////////////////////////
STDMETHODIMP CCertTmplComponentData::Save(IStream __RPC_FAR *pIStream, BOOL /*fSameAsLoad*/)
{
HRESULT hr = S_OK;
#ifndef DONT_PERSIST
ASSERT (pIStream);
XSafeInterfacePtr<IStream> pIStreamSafePtr( pIStream );
// Store the magic word to the stream
DWORD dwMagicword = _dwMagicword;
hr = pIStream->Write( IN &dwMagicword, sizeof(dwMagicword), NULL );
if ( FAILED(hr) )
{
ASSERT( FALSE );
return hr;
}
// Persist m_szManagedDomain length and m_szManagedDomain
// security
// security review 2/21/2002 BryanWal ok
size_t dwLen = (::wcslen (m_szManagedDomain) + 1) * sizeof (WCHAR);
ASSERT( 4 == sizeof(DWORD) );
hr = pIStream->Write (&dwLen, 4, NULL);
if ( FAILED(hr) )
{
ASSERT( FALSE );
return hr;
}
hr = pIStream->Write ((PCWSTR) m_szManagedDomain, (ULONG) dwLen, NULL);
if ( FAILED (hr) )
{
ASSERT (FALSE);
return hr;
}
#endif
return S_OK;
}