759 lines
19 KiB
C++
759 lines
19 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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//This file has the implementation for the WMI Provider for WHQL.
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//Uses MFC
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///////////////////////////////////////////////////////////////////////////////
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// WhqlObj.cpp : Implementation of CWhqlObj
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#include "stdafx.h"
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#include "WhqlProv.h"
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#include "WhqlObj.h"
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#include "setupapi.h"
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/////////////////////////////////////////////////////////////////////////////
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// CWhqlObj
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//Fn which actually checks the signature when passed an Inf File.
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extern BOOL IsInfSigned(LPTSTR FullInfPath , IWbemClassObject *pInstance = NULL);
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inline VOID AddSlashes(LPTSTR str);
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inline SCODE PutPropertyValue( IWbemClassObject* pInstance , LPCTSTR lpszProperty , LPCTSTR lpszValue );
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STDMETHODIMP CWhqlObj::Initialize(LPWSTR pszUser, LONG lFlags,
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LPWSTR pszNamespace, LPWSTR pszLocale,
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IWbemServices *pNamespace,
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IWbemContext *pCtx,
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IWbemProviderInitSink *pInitSink)
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{
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if (pNamespace)
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pNamespace->AddRef();
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//Standard Var Inits.
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m_pNamespace = pNamespace;
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m_csPathStr.Empty();
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m_csAntecedent.Empty();
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//Let CIMOM know you are initialized
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pInitSink->SetStatus(WBEM_S_INITIALIZED, 0);
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DEBUGTRACE(L"Provider Initialized\n");
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return WBEM_S_NO_ERROR;
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}
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SCODE CWhqlObj::CreateInstanceEnumAsync(BSTR RefStr, long lFlags, IWbemContext *pCtx,
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IWbemObjectSink *pHandler)
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{
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DEBUGTRACE(L"Provider called for class = %s\n",RefStr);
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HRESULT hr = S_OK;
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IWbemClassObject *pClass = NULL;
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IWbemClassObject **ppInstances = NULL;
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VOID **ppData = NULL;
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LONG cInstances, lIndex;
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cInstances = lIndex = 0L;
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m_ptrArr.RemoveAll();
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m_csPathStr.Empty();
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m_csAntecedent.Empty();
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// Do a check of arguments and make sure we have pointer to Namespace
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if(pHandler == NULL || m_pNamespace == NULL)
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return WBEM_E_INVALID_PARAMETER;
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// Get a class object from CIMOM
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hr = m_pNamespace->GetObject(RefStr, 0, pCtx, &pClass, NULL);
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if ( FAILED(hr) )
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return WBEM_E_FAILED;
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m_pClass = pClass;
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VARIANT var;
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VariantInit(&var);
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Classes_Provided eClasses;
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if(lstrcmpi(RefStr , L"Win32_PnPSignedDriver") == 0)
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{
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eClasses = Class_Win32_PnPSignedDriver;
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}
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else if(lstrcmpi(RefStr , L"Win32_PnPSignedDriverCIMDataFile") == 0)
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{
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eClasses = Class_Win32_PnPSignedDriverCIMDataFile;
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}
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else if(lstrcmpi(RefStr , L"Win32_PnPSignedDriverWin32PnPEntity") == 0)
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{
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eClasses = Class_Win32_PnPSignedDriverWin32PnPEntity;
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}
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hr = PutData( pCtx , eClasses);
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if ( FAILED(hr) )
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return WBEM_E_FAILED;
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VariantClear(&var);
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hr = pClass->Release();
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cInstances = (LONG)m_ptrArr.GetSize();
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ppInstances = (IWbemClassObject**)new LPVOID[cInstances];
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for(int nIndex = 0 ;nIndex<cInstances ;nIndex++)
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ppInstances[nIndex] = (IWbemClassObject*)m_ptrArr[nIndex];
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if (SUCCEEDED(hr))
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{
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// Send the instances to the caller
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hr = pHandler->Indicate(cInstances, ppInstances);
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for (lIndex = 0; lIndex < cInstances; lIndex++)
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ppInstances[lIndex]->Release();
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}
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// Cleanup
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if (ppInstances)
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{
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delete []ppInstances;
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ppInstances = NULL;
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}
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m_ptrArr.RemoveAll();
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m_csPathStr.Empty();
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m_csAntecedent.Empty();
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m_csCurPnPID.Empty();
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m_pClass = NULL;
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// End Cleanup
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// Set status
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hr = pHandler->SetStatus(0, hr, NULL, NULL);
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return hr;
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}
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/////////////////////////////////////
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//Obsolete! For testing purposes only
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//
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int CWhqlObj::GetInfFileCount()
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{
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TCHAR lpszInfPath[MAX_PATH];
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int iInstances = 0;
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GetWindowsDirectory(lpszInfPath , sizeof(lpszInfPath));
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lstrcat(lpszInfPath , L"\\inf\\*.inf");
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WIN32_FIND_DATA findData;
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HANDLE hFile = FindFirstFile(lpszInfPath , &findData);
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BOOL bRet = TRUE;
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while(hFile != INVALID_HANDLE_VALUE && bRet)
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{
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iInstances++;
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bRet = FindNextFile(hFile , &findData);
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}
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return iInstances;
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}
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////////////////////////////////////////////////////
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//Fills up pInstance fields passed an Inf file.
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//
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SCODE CWhqlObj::GetInfData(LPTSTR lpszInfFile , LPTSTR lpszInfSection , LPTSTR szDeviceID , IWbemContext *pCtx ,
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IWbemClassObject *pInstance)
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{
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TCHAR lpReturnedString[2048];
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TCHAR lpSectionList[2048];
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CStringArray csarrCopyFileSection;
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CStringArray csarrCopyFileBinaries;
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HRESULT hr = S_FALSE;
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HINF InfHandle = SetupOpenInfFile(lpszInfFile, NULL,INF_STYLE_WIN4,NULL);
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INFCONTEXT Context;
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BOOL bRet ;
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if(INVALID_HANDLE_VALUE == InfHandle)
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return S_FALSE;
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VARIANT v;
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VariantInit(&v);
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//Find CopyFiles section.
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LPTSTR lpSection = NULL;
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bRet = SetupFindFirstLine(InfHandle,lpszInfSection,L"CopyFiles",&Context);
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if(!bRet)
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{
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SetupCloseInfFile( InfHandle );
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return S_FALSE;
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}
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bRet = SetupGetLineText(&Context,InfHandle,NULL,NULL,lpReturnedString,
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sizeof(lpReturnedString),NULL);
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if(!bRet)
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{
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SetupCloseInfFile( InfHandle );
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return S_FALSE;
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}
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DEBUGTRACE(L"CopyFiles string for file %s is %s\n",lpszInfFile,lpReturnedString);
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LPTSTR seps = L",";
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LPTSTR token ;
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token = wcstok( lpReturnedString, seps );
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csarrCopyFileSection.Add(token);//Add token to csarrCopyFileSection
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while (token)
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{
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lpSection = token;
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token = wcstok( NULL, seps );
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if(token)
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csarrCopyFileSection.Add(token);//Add token to csarrCopyFileSection
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}
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for(int nIndex = 0;nIndex < csarrCopyFileSection.GetSize() ; nIndex++)
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{
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//Sometimes CopyFile Might have an entry like @mydriver.sys. Take care of that.
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if((csarrCopyFileSection[nIndex])[0] == '@')
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{
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csarrCopyFileBinaries.Add(LPCTSTR(csarrCopyFileSection[nIndex]) + 1);
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DEBUGTRACE(L"Adding binary file %s\n" , LPCTSTR(csarrCopyFileSection[nIndex]) + 1);
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continue;
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}
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bRet = SetupFindFirstLine(InfHandle,csarrCopyFileSection[nIndex],NULL,&Context);
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//Put all the files mentioned in the CopyFiles section in an array.
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LPTSTR token = NULL;
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while(bRet)
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{
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bRet = SetupGetLineText(&Context,InfHandle,NULL,NULL,lpSectionList,
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sizeof(lpSectionList),NULL);
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token = wcstok(lpSectionList , L",");
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if(token != NULL)
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lstrcpy(lpSectionList ,token);
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DEBUGTRACE(L"Adding binary file %s\n" , lpSectionList);
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csarrCopyFileBinaries.Add(lpSectionList);
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bRet = SetupFindNextLine(&Context,&Context);
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}
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}
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CString csTemp;
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TCHAR str[MAX_PATH] ;
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for(nIndex = 0 ; nIndex < csarrCopyFileBinaries.GetSize() ; nIndex++)
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{
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hr = m_pClass->SpawnInstance(0, &pInstance);
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m_ptrArr.Add(pInstance);
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if(GetSystemDirectory(str , sizeof(str)) == 0)
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return S_FALSE;
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lstrcat(str , L"\\Drivers\\");
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AddSlashes(str);
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csarrCopyFileBinaries[nIndex] = str + csarrCopyFileBinaries[nIndex];
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csTemp = m_csPathStr ;
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csTemp += L":CIM_DataFile.Name=\"";
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csTemp += csarrCopyFileBinaries[nIndex] + L"\"";
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PutPropertyValue( pInstance , L"Antecedent" , m_csAntecedent );
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PutPropertyValue( pInstance , L"Dependent" , csTemp );
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//////////////////BugBug !
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PutPropertyValue( pInstance , L"PnPID" , m_csCurPnPID );
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}
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if( InfHandle != INVALID_HANDLE_VALUE )
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SetupCloseInfFile( InfHandle );
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return hr;
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}
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///////////////////////////////////////////////////////////////////////
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//Creates Instances & populates data given the class type asked for
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//Classes_Provided eClasses
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//
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SCODE CWhqlObj::PutData(IWbemContext *pCtx , Classes_Provided eClasses)
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{
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if(pCtx == NULL)
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return S_FALSE;
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if( eClasses == Class_Win32_PnPSignedDriverWin32PnPEntity)
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{
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return CreateAssoc( pCtx );
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}
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LPCTSTR szRegKey = L"SYSTEM\\CurrentControlSet\\Control\\Class";
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HKEY hKey , hSubKey ;
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TCHAR szName[MAX_PATH] ;
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TCHAR szDeviceID[MAX_PATH] , szClassGuid[MAX_PATH] , szDeviceDesc[MAX_PATH];
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LONG nInstanceIndex;
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LONG len = sizeof(szName);
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HRESULT hr = S_FALSE;
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ULONG lRet = 0L;
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LONG lIndex = 0L;
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IEnumWbemClassObject *pEnum = NULL;
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IWbemClassObject *pInstance = NULL;
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IWbemClassObject *pObject = NULL;
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if(ERROR_SUCCESS != RegOpenKey(HKEY_LOCAL_MACHINE , szRegKey , &hKey))
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return S_FALSE;//goto cleanup;
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//Get DeviceID , ClassGuid , Description , __NameSpace , __Server from Win32_PnpEntity class
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//We need all these fields for further Proc.This call will create an Enum.
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BSTR language = SysAllocString(L"WQL");
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BSTR query = SysAllocString(L"select DeviceID , ClassGuid , Description , __NameSpace , __Server from Win32_PnpEntity");
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hr = m_pNamespace->ExecQuery(language , query ,
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WBEM_FLAG_RETURN_IMMEDIATELY|WBEM_FLAG_FORWARD_ONLY, pCtx , &pEnum);
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SysFreeString(language);
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SysFreeString(query);
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if(pEnum == NULL)
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return S_FALSE;
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VARIANT v;
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VariantInit(&v);
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m_csAntecedent.Empty();
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m_csCurPnPID.Empty();
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//Iterate thro' the Enum for each DeviceID.
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for(lIndex = 0L ; (WBEM_S_NO_ERROR == pEnum->Next(WBEM_INFINITE , 1 , &pObject , &lRet )) ; )
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{
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//Fill m_csPathStr.Its value will be used in Antecedent & Dependent in assoc. class.
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//At the end of the condition we should have something like
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//m_csPathStr = "\\\\A-KJAW-RI1\\root\\CIMV2"
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if(m_csPathStr.IsEmpty())
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{
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hr = pObject->Get(L"__Server", 0, &v, NULL , NULL);
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if( SUCCEEDED(hr) )
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{
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m_csPathStr += L"\\\\";
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m_csPathStr += V_BSTR(&v);
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hr = pObject->Get(L"__NameSpace", 0, &v, NULL , NULL);
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if( SUCCEEDED(hr) )
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{
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m_csPathStr += L"\\";
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m_csPathStr += V_BSTR(&v);
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}
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DEBUGTRACE(L"Server & Namespace Path = %s\n" , m_csPathStr);
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VariantClear(&v);
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}
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}
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//Get DeviceID from the pObject in the Enum.
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hr = pObject->Get(L"DeviceID", 0, &v, NULL , NULL);
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if( SUCCEEDED(hr) )
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{
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if(eClasses == Class_Win32_PnPSignedDriverCIMDataFile)
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{
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lstrcpy(szDeviceID , V_BSTR(&v));
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m_csCurPnPID = szDeviceID;
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AddSlashes(szDeviceID);
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CString csTemp = m_csPathStr ;
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csTemp += L":Win32_PnPSignedDriver.PnPId=\"";
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csTemp += szDeviceID;
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csTemp += L"\"";
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m_csAntecedent = csTemp;//This will be used in assoc. class.
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}
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lstrcpy(szDeviceID , V_BSTR(&v));
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DEBUGTRACE(L"PnPID = %s\n" , szDeviceID);
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VariantClear(&v);
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}
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//Get ClassGuid from the pObject in the Enum.
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hr = pObject->Get(L"ClassGuid", 0, &v, NULL , NULL);
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if( SUCCEEDED(hr) )
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{
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lstrcpy(szClassGuid , V_BSTR(&v));
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DEBUGTRACE(L"ClassGuid = %s\n" , szClassGuid);
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TRACE(V_BSTR(&v));
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}
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//Get Description from the pObject in the Enum.
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hr = pObject->Get(L"Description", 0, &v, NULL , NULL);
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if( SUCCEEDED(hr) )
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{
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lstrcpy(szDeviceDesc , V_BSTR(&v));
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DEBUGTRACE(L"DriverDesc = %s\n" , szDeviceDesc);
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TRACE(V_BSTR(&v));
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}
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if(ERROR_SUCCESS == RegOpenKey(hKey, szClassGuid, &hSubKey) )
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{
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//BugBug:
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//Get no. of subKeys for the GUID.
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//If there are no subKeys (i presume) this means no Instances of the device
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//represented by the GUID are present so we need not Instantiate an Instance Of win32_PnPSignedDriver.
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RegQueryInfoKey(hSubKey , NULL , NULL , NULL , &lRet , NULL , NULL , NULL , NULL
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, NULL , NULL , NULL);
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if(eClasses == Class_Win32_PnPSignedDriver && lRet > 0)
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{
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hr = m_pClass->SpawnInstance(0, &pInstance);
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if(FAILED(hr))
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continue;
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m_ptrArr.Add(pInstance);
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PutPropertyValue( pInstance , L"PnPID" , szDeviceID );
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PutPropertyValue( pInstance , L"ClassGuid" , szClassGuid );
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//PutPropertyValue( pInstance , L"DriverDesc" , szDeviceDesc );
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PutPropertyValue( pInstance , L"Description" , szDeviceDesc );
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szName[0] = '\0';
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hr = GetService(szDeviceID , szName , (ULONG*)&len);
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CStringArray hwidArr;
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LPTSTR szHwid = szName;
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hwidArr.RemoveAll();
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while(len > 0 && *szHwid != '\0')
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{
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hwidArr.Add(szHwid);
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szHwid += lstrlen(szHwid) + 1;
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}
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if( hwidArr.GetSize() )
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{
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LPSAFEARRAY psa;
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LONG lArrSize = (LONG)hwidArr.GetSize();
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SAFEARRAYBOUND rgsabound[] = { lArrSize , 0 };
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psa = SafeArrayCreate(VT_BSTR, 1, rgsabound);
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if (!psa)
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{
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return E_OUTOFMEMORY;
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}
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long dim[1];
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BSTR bstr = NULL;
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for(int nIdx = 0 ; nIdx < lArrSize ; nIdx++)
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{
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bstr = hwidArr[nIdx].AllocSysString();
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dim[0] = nIdx;
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hr = SafeArrayPutElement(psa, dim , bstr);
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}
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v.vt = VT_ARRAY|VT_BSTR;
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v.parray = psa;
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hr = pInstance->Put(L"HardwareID", 0, &v, 0 );
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VariantClear(&v);
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hr = SafeArrayDestroyData(psa);
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}
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}
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nInstanceIndex = 0;
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EnumRegKeys(hSubKey , pInstance , szDeviceDesc , szDeviceID , pCtx , eClasses);
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RegCloseKey(hSubKey);
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if(eClasses == Class_Win32_PnPSignedDriver)
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{
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PutPropertyValue( pInstance , L"Service" , szName );
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}
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}
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else
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{
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continue;
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}
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hr = pObject->Release();
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}
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//cleanup:
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RegCloseKey(hKey);
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if(pEnum)
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pEnum->Release();
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return S_OK;
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}
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//////////////////////////////////////////////////
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//Will return the Service the device supports.
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//
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SCODE CWhqlObj::GetService(IN LPTSTR szDeviceID , OUT LPTSTR szName , IN ULONG* plen )
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{
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HKEY hSubKey , hInstanceKey;
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DWORD dwType = REG_SZ ;
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if(ERROR_SUCCESS != RegOpenKey(HKEY_LOCAL_MACHINE , L"SYSTEM\\CurrentControlSet\\Enum", &hSubKey))
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return S_FALSE;
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if(ERROR_SUCCESS != RegOpenKey(hSubKey , szDeviceID, &hInstanceKey))
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{
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RegCloseKey(hSubKey);
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return S_FALSE;
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}
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//RegQueryValueEx(hInstanceKey , L"Service", NULL , &dwType
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// , (UCHAR*)szName , (ULONG*)&len );
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//Return HardwareID from this func. not service.
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dwType = REG_MULTI_SZ;
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LONG lRet = RegQueryValueEx(hInstanceKey , L"HardwareID", NULL , &dwType
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, (UCHAR*)szName , (ULONG*)plen);
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RegCloseKey(hSubKey);
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RegCloseKey(hInstanceKey);
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return S_OK;
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}
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///////////////////////////////////////////////////////
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//Enumerates reg key & fills up pInstance fields.
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//
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SCODE CWhqlObj::EnumRegKeys(HKEY hSubKey , IWbemClassObject* pInstance , LPTSTR szDeviceDesc , LPTSTR szDeviceID ,
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IWbemContext *pCtx , Classes_Provided eClasses)
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{
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LONG nInstanceIndex = 0;
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HKEY hInstanceKey;
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TCHAR szTempStr[MAX_PATH];
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ULONG len = sizeof(szTempStr);
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LONG lRet = -1;
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DWORD dwType = REG_SZ ;
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HRESULT hr = S_FALSE;
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BOOL bIsSigned = FALSE;
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TCHAR szInfPath[MAX_PATH] , szInfSection[MAX_PATH] , str[MAX_PATH] ;
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VARIANT v;
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VariantInit(&v);
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while(ERROR_SUCCESS == RegEnumKey(hSubKey , nInstanceIndex++, szTempStr , sizeof(szTempStr)) )
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{
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lRet = RegOpenKey(hSubKey, szTempStr, &hInstanceKey);
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if(lRet != ERROR_SUCCESS)
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continue;
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//Get DriverDesc
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len = MAX_PATH;
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lRet = RegQueryValueEx(hInstanceKey , L"DriverDesc", NULL , &dwType
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, (UCHAR*)szTempStr, &len );
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if(lRet != ERROR_SUCCESS)
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continue;
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if(lstrcmpi(szTempStr , szDeviceDesc) != 0)
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{
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RegCloseKey(hInstanceKey);
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continue;
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}
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if(eClasses == Class_Win32_PnPSignedDriver)
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{
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DEBUGTRACE(L"DriverDesc= %s\n" , szTempStr);
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//Put DriverDesc
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PutPropertyValue( pInstance , L"DriverDesc" , szTempStr );
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//Get DriverDate
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len = MAX_PATH;
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lRet = RegQueryValueEx(hInstanceKey,L"DriverDate", NULL , &dwType , (UCHAR*)szTempStr,(ULONG*)&len );
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//if(lRet != ERROR_SUCCESS)
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// continue;
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DEBUGTRACE(L"DriverDate = %s\n" , szTempStr);
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//Put DriverDesc
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PutPropertyValue( pInstance , L"DriverDate" , szTempStr );
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//Get DriverVersion
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len = MAX_PATH;
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lRet = RegQueryValueEx(hInstanceKey,L"DriverVersion", NULL , &dwType ,
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(UCHAR*)szTempStr,(ULONG*)&len );
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//if(lRet != ERROR_SUCCESS)
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// continue;
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DEBUGTRACE(L"DriverVersion= %s\n" , szTempStr);
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//Put DriverVersion
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PutPropertyValue( pInstance , L"DriverVersion" , szTempStr );
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//Get ProviderName
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len = MAX_PATH;
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lRet = RegQueryValueEx(hInstanceKey,L"ProviderName", NULL , &dwType ,
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(UCHAR*)szTempStr,(ULONG*)&len );
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//if(lRet != ERROR_SUCCESS)
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// continue;
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DEBUGTRACE(L"ProviderName= %s\n" , szTempStr);
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//Put ProviderName
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PutPropertyValue( pInstance , L"ProviderName" , szTempStr );
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}
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//Get InfPath
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szInfPath[0] = '\0';
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len = MAX_PATH;
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lRet = RegQueryValueEx(hInstanceKey,L"InfPath", NULL , &dwType , (UCHAR*)szInfPath,(ULONG*)&len );
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//if(lRet != ERROR_SUCCESS)
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// continue;
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DEBUGTRACE(L"InfPath = %s\n" , szInfPath);
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//Put InfPath
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if(eClasses == Class_Win32_PnPSignedDriver)
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{
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PutPropertyValue( pInstance , L"InfPath" , szInfPath );
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}
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//Get Infsection
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szInfSection[0] = '\0';
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len = MAX_PATH;
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lRet = RegQueryValueEx(hInstanceKey,L"InfSection", NULL , &dwType , (UCHAR*)szInfSection,(ULONG*)&len );
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//if(lRet != ERROR_SUCCESS)
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// continue;
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DEBUGTRACE(L"InfSection = %s\n" , szInfSection);
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//Get InfsectionExt
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szTempStr[0] = '\0';
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len = MAX_PATH;
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lRet = RegQueryValueEx(hInstanceKey,L"InfSectionExt", NULL , &dwType , (UCHAR*)szTempStr,(ULONG*)&len );
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//if(lRet != ERROR_SUCCESS)
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// continue;
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DEBUGTRACE(L"InfSectionExt = %s\n" , szTempStr);
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lstrcat(szInfSection , szTempStr);
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//Only if Class_Win32_PnPSignedDriverCIMDataFile call GetInfData to fill up all the
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//Win32_PnPSignedDriverCIMDataFile class data.
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if(eClasses == Class_Win32_PnPSignedDriverCIMDataFile)
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{
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GetInfData(szInfPath , szInfSection , szDeviceID , pCtx , pInstance);
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}
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RegCloseKey(hInstanceKey);
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if(eClasses == Class_Win32_PnPSignedDriver)
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{
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if(GetWindowsDirectory(str , sizeof(str)) == 0)
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return S_FALSE;
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lstrcat(str , L"\\inf\\" );
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lstrcat(str , szInfPath);
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IsInfSigned( str , pInstance);
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}
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break;
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}
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return hr;
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}
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SCODE CWhqlObj::CreateAssoc( IWbemContext *pCtx )
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{
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IEnumWbemClassObject *pEnum = NULL;
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IWbemClassObject *pInstance = NULL;
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IWbemClassObject *pObject = NULL;
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CComBSTR language = L"WQL";
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CComBSTR query = L"select DeviceID , ClassGuid , __NameSpace , __Server from Win32_PnpEntity";
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CComBSTR tmpBstr = NULL;
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CComVariant v;
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ULONG ulRet = 0;
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HRESULT hr = m_pNamespace->ExecQuery(language , query ,
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WBEM_FLAG_RETURN_IMMEDIATELY|WBEM_FLAG_FORWARD_ONLY, pCtx , &pEnum);
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if(pEnum == NULL)
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return hr;
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for( ; (WBEM_S_NO_ERROR == pEnum->Next(WBEM_INFINITE , 1 , &pObject , &ulRet )) ; )
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{
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//Fill m_csPathStr.Its value will be used in Antecedent & Dependent in assoc. class.
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//At the end of the condition we should have something like
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//m_csPathStr = "\\\\A-KJAW-RI1\\root\\CIMV2"
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if(m_csPathStr.IsEmpty())
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{
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hr = pObject->Get(L"__Server", 0, &v, NULL , NULL);
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if( SUCCEEDED(hr) )
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{
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m_csPathStr += L"\\\\";
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m_csPathStr += V_BSTR(&v);
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hr = pObject->Get(L"__NameSpace", 0, &v, NULL , NULL);
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if( SUCCEEDED(hr) )
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{
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m_csPathStr += L"\\";
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m_csPathStr += V_BSTR(&v);
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}
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DEBUGTRACE(L"Server & Namespace Path = %s\n" , m_csPathStr);
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VariantClear(&v);
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}
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}
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hr = m_pClass->SpawnInstance(0, &pInstance);
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hr = pObject->Get(L"__PATH", 0, &v, NULL , NULL);
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hr = pInstance->Put(L"Dependent", 0, &v, 0 );
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v.Clear();
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hr = pObject->Get(L"DeviceID", 0, &v, NULL , NULL);
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tmpBstr = m_csPathStr + "\\Win32_PnPSignedDriver.PnPID=\"";
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tmpBstr += v.bstrVal;
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tmpBstr += "\"";
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PutPropertyValue( pInstance , L"Antecedent" , tmpBstr );
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m_ptrArr.Add(pInstance);
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}
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return hr;
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}
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VOID AddSlashes(LPTSTR str)
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{
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LONG len = lstrlen(str);
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TCHAR szTmp[MAX_PATH];
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int nIndex1,nIndex2;
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for(nIndex1 = nIndex2= 0 ; nIndex1 < len ; nIndex1++ , nIndex2++)
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{
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if(str[nIndex1] == '\\')
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szTmp[nIndex2++] = '\\';
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szTmp[nIndex2] = str[nIndex1];
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}
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szTmp[nIndex2] = '\0';
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lstrcpy(str , szTmp);
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}
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VOID DEBUGTRACE(LPTSTR pszText , ... )
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{
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#ifdef _DEBUG
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TCHAR szDebugStr[256];
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va_list argList;
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va_start(argList, pszText);
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vswprintf(szDebugStr , pszText, argList);
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va_end(argList);
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OutputDebugString(szDebugStr);
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#endif
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}
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SCODE PutPropertyValue( IWbemClassObject* pInstance , LPCTSTR lpszProperty , LPCTSTR lpszValue )
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{
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HRESULT hr = S_FALSE;
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if(pInstance == NULL)
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return hr;
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CComVariant var;
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var = lpszValue;
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hr = pInstance->Put(lpszProperty , 0, &var, 0 );
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return hr;
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} |