Leaked source code of windows server 2003
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// InstalledSoftwareElement.cpp: implementation of the CInstalledSoftwareElement class.
//
// Copyright (c) 1997-2001 Microsoft Corporation, All Rights Reserved
//
//////////////////////////////////////////////////////////////////////
#include "precomp.h"
#include <tchar.h>
#include "InstalledSoftwareElement.h"
#include "ExtendString.h"
#include "ExtendQuery.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CInstalledSoftwareElement::CInstalledSoftwareElement(CRequestObject *pObj, IWbemServices *pNamespace,
IWbemContext *pCtx):CGenericClass(pObj, pNamespace, pCtx)
{
}
CInstalledSoftwareElement::~CInstalledSoftwareElement()
{
}
HRESULT CInstalledSoftwareElement::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 wcProductCode[39];
WCHAR wcSoftware[BUFF_SIZE];
WCHAR wcSysName[BUFF_SIZE];
WCHAR wcComponentID[BUFF_SIZE];
WCHAR wcElmName[BUFF_SIZE];
#if !defined(_UNICODE)
WCHAR wcTmp[BUFF_SIZE];
#endif
DWORD dwBufSize;
bool bMatch = false;
UINT uiStatus;
CRequestObject *pSysRObj = NULL;
CRequestObject *pElmRObj = NULL;
bool bGotID = false;
bool bGotName = false;
bool bSysName = false;
if(atAction != ACTIONTYPE_ENUM)
{
// we are doing GetObject so we need to be reinitialized
hr = WBEM_E_NOT_FOUND;
int j;
//GetObject optimizations
CHeap_Exception he(CHeap_Exception::E_ALLOCATION_ERROR);
for(j = 0; j < m_pRequest->m_iPropCount; j++){
if(_wcsicmp(m_pRequest->m_Property[j], L"System") == 0){
pSysRObj = new CRequestObject();
if(!pSysRObj) throw he;
pSysRObj->Initialize(m_pNamespace);
pSysRObj->ParsePath(m_pRequest->m_Value[j]);
break;
}
}
if(pSysRObj){
for(j = 0; j < pSysRObj->m_iPropCount; j++){
if(_wcsicmp(pSysRObj->m_Property[j], L"Name") == 0){
//Get the product code we're looking for
if ( ::SysStringLen ( pSysRObj->m_Value[j] ) < BUFF_SIZE )
{
wcscpy(wcSysName, pSysRObj->m_Value[j]);
bSysName = true;
break;
}
}
}
pSysRObj->Cleanup();
delete pSysRObj;
pSysRObj = NULL;
}
for(j = 0; j < m_pRequest->m_iPropCount; j++){
if(_wcsicmp(m_pRequest->m_Property[j], L"Element") == 0){
pElmRObj = new CRequestObject();
if(!pElmRObj) throw he;
pElmRObj->Initialize(m_pNamespace);
pElmRObj->ParsePath(m_pRequest->m_Value[j]);
break;
}
}
if(pElmRObj){
for(j = 0; j < pElmRObj->m_iPropCount; j++){
if(_wcsicmp(pElmRObj->m_Property[j], L"SoftwareElementID") == 0){
//Get the product code we're looking for
if ( ::SysStringLen ( pElmRObj->m_Value[j] ) < BUFF_SIZE )
{
wcscpy(wcComponentID, pElmRObj->m_Value[j]);
bGotID = true;
}
}
if(_wcsicmp(pElmRObj->m_Property[j], L"Name") == 0){
//Get the name we're looking for
if ( ::SysStringLen ( pElmRObj->m_Value[j] ) < BUFF_SIZE )
{
wcscpy(wcElmName, pElmRObj->m_Value[j]);
bGotName = true;
}
}
}
pElmRObj->Cleanup();
delete pElmRObj;
pElmRObj = NULL;
}
}
//These will change from class to class
bool bSoftware, bSystem;
CStringExt wcComputer;
Query wcQuery;
wcQuery.Append ( 1, L"select distinct `Component` from Component" );
//optimize for GetObject
if ( bGotID || bGotName )
{
if ( bGotName )
{
wcQuery.Append ( 3, L" where `Component`=\'", wcElmName, L"\'" );
}
if ( bGotID )
{
if ( bGotName )
{
wcQuery.Append ( 3, L" or `ComponentId`=\'", wcComponentID, L"\'" );
}
else
{
wcQuery.Append ( 3, L" where `ComponentId`=\'", wcComponentID, L"\'" );
}
}
}
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"Component", 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,
wcSoftware,
&dwBufSize
);
if ( dynBuffer && dynBuffer [ 0 ] != 0 )
{
dynBuffer [ 0 ] = 0;
}
if( uiStatus == ERROR_SUCCESS )
{
PutKeyProperty(m_pObj, pSoftware, wcSoftware, &bSoftware, m_pRequest);
TCHAR cBuf[MAX_COMPUTERNAME_LENGTH + 1];
dwBufSize = MAX_COMPUTERNAME_LENGTH+1;
if(!GetComputerName(cBuf, &dwBufSize)) throw WBEM_E_FAILED;
// safe operation
wcComputer.Copy ( L"Win32_ComputerSystem.Name=\"" );
#ifndef UNICODE
WCHAR wcTmp[MAX_COMPUTERNAME_LENGTH + 1];
mbstowcs(wcTmp, cBuf, MAX_COMPUTERNAME_LENGTH + 1);
wcComputer.Append ( 2, wcTmp, L"\"" );
#else UNICODE
wcComputer.Append ( 2, cBuf, L"\"" );
#endif UNICODE
PutKeyProperty(m_pObj, pSystem, wcComputer, &bSystem, m_pRequest);
if(bSoftware && bSystem) 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;
}