Leaked source code of windows server 2003
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// ODBCDriverSoftwareElement.cpp: implementation of the CODBCDriverSoftwareElement class.
//
// Copyright (c) 1997-2001 Microsoft Corporation, All Rights Reserved
//
//////////////////////////////////////////////////////////////////////
#include "precomp.h"
#include "ODBCDriverSoftwareElement.h"
#include "ExtendString.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CODBCDriverSoftwareElement::CODBCDriverSoftwareElement(CRequestObject *pObj, IWbemServices *pNamespace,
IWbemContext *pCtx):CGenericClass(pObj, pNamespace, pCtx)
{
}
CODBCDriverSoftwareElement::~CODBCDriverSoftwareElement()
{
}
HRESULT CODBCDriverSoftwareElement::CreateObject(IWbemObjectSink *pHandler, ACTIONTYPE atAction)
{
HRESULT hr = WBEM_S_NO_ERROR;
MSIHANDLE hView = NULL;
MSIHANDLE hRecord = NULL;
int i = -1;
WCHAR wcBuf[BUFF_SIZE];
WCHAR wcQuery[BUFF_SIZE];
WCHAR wcProductCode[39];
WCHAR wcProp[BUFF_SIZE];
DWORD dwBufSize;
bool bMatch = false;
UINT uiStatus;
CStringExt str;
//These will change from class to class
bool bFeature, bElement;
// safe operation
// lenght is smaller than BUFF_SIZE ( 512 )
wcscpy(wcQuery, L"select distinct `Component_`, `Driver` from ODBCDriver");
LPWSTR Buffer = NULL;
LPWSTR dynBuffer = NULL;
DWORD dwDynBuffer = 0L;
while(!bMatch && m_pRequest->Package(++i) && (hr != WBEM_E_CALL_CANCELLED))
{
// safe operation:
// Package ( i ) returns NULL ( tested above ) or valid WCHAR [39]
wcscpy(wcProductCode, m_pRequest->Package(i));
//Open our database
try
{
if ( GetView ( &hView, wcProductCode, wcQuery, L"ODBCDriver", TRUE, FALSE ) )
{
uiStatus = g_fpMsiViewFetch(hView, &hRecord);
while(!bMatch && (uiStatus != ERROR_NO_MORE_ITEMS) && (hr != WBEM_E_CALL_CANCELLED)){
CheckMSI(uiStatus);
if(FAILED(hr = SpawnAnInstance(&m_pObj))) throw hr;
//----------------------------------------------------
dwBufSize = BUFF_SIZE;
GetBufferToPut ( hRecord, 1, dwBufSize, wcBuf, dwDynBuffer, dynBuffer, Buffer );
dwBufSize = BUFF_SIZE;
uiStatus = CreateSoftwareElementString ( msidata.GetDatabase(),
Buffer,
wcProductCode,
wcProp,
&dwBufSize
);
if ( dynBuffer && dynBuffer [ 0 ] != 0 )
{
dynBuffer [ 0 ] = 0;
}
if ( uiStatus == ERROR_SUCCESS )
{
PutKeyProperty(m_pObj, pElement, wcProp, &bElement, m_pRequest);
dwBufSize = BUFF_SIZE;
GetBufferToPut ( hRecord, 2, dwBufSize, wcBuf, dwDynBuffer, dynBuffer, Buffer );
if ( Buffer && Buffer [ 0 ] != 0 )
{
// safe operation
str.Copy ( L"Win32_ODBCDriverSpecification.CheckID=\"" );
str.Append ( 3, Buffer, wcProductCode, L"\"" );
PutKeyProperty(m_pObj, pCheck, str, &bFeature, m_pRequest);
if ( dynBuffer && dynBuffer [ 0 ] != 0 )
{
dynBuffer [ 0 ] = 0;
}
if(bFeature && bElement) bMatch = true;
if((atAction != ACTIONTYPE_GET) || bMatch){
hr = pHandler->Indicate(1, &m_pObj);
}
}
}
m_pObj->Release();
m_pObj = NULL;
g_fpMsiCloseHandle(hRecord);
uiStatus = g_fpMsiViewFetch(hView, &hRecord);
}
}
}
catch(...)
{
if ( dynBuffer )
{
delete [] dynBuffer;
dynBuffer = NULL;
}
g_fpMsiCloseHandle(hRecord);
g_fpMsiViewClose(hView);
g_fpMsiCloseHandle(hView);
msidata.CloseDatabase ();
if(m_pObj)
{
m_pObj->Release();
m_pObj = NULL;
}
throw;
}
g_fpMsiCloseHandle(hRecord);
g_fpMsiViewClose(hView);
g_fpMsiCloseHandle(hView);
msidata.CloseDatabase ();
}
if ( dynBuffer )
{
delete [] dynBuffer;
dynBuffer = NULL;
}
return hr;
}