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1106 lines
33 KiB
1106 lines
33 KiB
//***************************************************************************
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//
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// Copyright (c) 1997-2002 Microsoft Corporation, All Rights Reserved
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//
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//***************************************************************************
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#include "wmicom.h"
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#include "wmimof.h"
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#include "wmimap.h"
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#include <stdlib.h>
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#include <winerror.h>
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#include <TCHAR.h>
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//
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// GlobalInterfaceTable
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//
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IGlobalInterfaceTable * g_pGIT = NULL;
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////////////////////////////////////////////////////////////////////////////////////////////////
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//**********************************************************************************************
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// Global Utility Functions
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//**********************************************************************************************
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////////////////////////////////////////////////////////////////////////////////////////////////
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BOOL IsBinaryMofResourceEvent(LPOLESTR pGuid, GUID gGuid)
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{
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HRESULT hr;
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GUID Guid;
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hr = CLSIDFromString(pGuid,&Guid);
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if( SUCCEEDED(hr) )
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{
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if( gGuid == Guid)
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{
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return TRUE;
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}
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}
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return FALSE;
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}
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/////////////////////////////////////////////////////////////////////
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BOOL GetParsedPropertiesAndClass( BSTR Query,WCHAR * wcsClass, int cchSize )
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{
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ParsedObjectPath * pParsedPath = NULL; // stdlibrary API
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CObjectPathParser Parser;
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BOOL fRc = FALSE;
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if( CObjectPathParser::NoError == Parser.Parse(Query, &pParsedPath))
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{
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try
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{
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// NTRaid:136400
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// 07/12/00
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if(pParsedPath && !IsBadReadPtr( pParsedPath, sizeof(ParsedObjectPath)))
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{
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KeyRef * pKeyRef = NULL;
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pKeyRef = *(pParsedPath->m_paKeys);
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if(!IsBadReadPtr( pKeyRef, sizeof(KeyRef)))
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{
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if ( SUCCEEDED ( StringCchCopyW (wcsClass,cchSize,pParsedPath->m_pClass) ) )
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{
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fRc = TRUE;
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}
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}
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}
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Parser.Free(pParsedPath);
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}
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catch(...)
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{
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Parser.Free(pParsedPath);
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throw;
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}
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}
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return fRc;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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HRESULT CheckIfThisIsAValidKeyProperty(WCHAR * wcsClass, WCHAR * wcsProperty, IWbemServices * p)
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{
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HRESULT hr = WBEM_E_FAILED;
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IWbemClassObject * pIHCO = NULL;
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IWbemQualifierSet * pIWbemQualifierSet = NULL;
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long lType = 0L;
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BSTR strPath = NULL;
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strPath = SysAllocString(wcsClass);
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if(strPath == NULL)
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{
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hr = E_OUTOFMEMORY;
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}
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else
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{
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hr = p->GetObject(strPath, 0,NULL, &pIHCO, NULL);
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SysFreeString(strPath);
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if (WBEM_S_NO_ERROR != hr)
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return WBEM_E_INVALID_CLASS;
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if(wcsProperty){
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hr = pIHCO->GetPropertyQualifierSet(wcsProperty,&pIWbemQualifierSet);
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if( SUCCEEDED(hr) ){
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CVARIANT v;
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hr = pIWbemQualifierSet->Get(L"key", 0, &v, 0);
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SAFE_RELEASE_PTR(pIWbemQualifierSet);
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}
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else{
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hr = WBEM_E_INVALID_OBJECT_PATH;
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}
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}
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//============================================================
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// Cleanup
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//============================================================
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SAFE_RELEASE_PTR(pIHCO);
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}
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return hr;
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}
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//====================================================================
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HRESULT GetParsedPath( BSTR ObjectPath, WCHAR * wcsClass, int cchSizeClass, WCHAR * wcsInstance, int cchSizeInstance, IWbemServices * p )
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{
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//============================================================
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// Get the path and instance name and check to make sure it
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// is valid
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//============================================================
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ParsedObjectPath * pParsedPath = NULL; // stdlibrary API
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CObjectPathParser Parser;
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HRESULT hr = WBEM_E_FAILED;
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if( 0 == Parser.Parse(ObjectPath, &pParsedPath))
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{
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try
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{
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// NTRaid:136395
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// 07/12/00
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if(pParsedPath && !IsBadReadPtr( pParsedPath, sizeof(ParsedObjectPath)))
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{
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KeyRef * pKeyRef = NULL;
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pKeyRef = *(pParsedPath->m_paKeys);
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if( !IsBadReadPtr( pKeyRef, sizeof(KeyRef)))
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{
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hr = CheckIfThisIsAValidKeyProperty(pParsedPath->m_pClass, pKeyRef->m_pName,p );
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if( SUCCEEDED(hr) )
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{
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if ( SUCCEEDED ( hr = StringCchCopyW (wcsClass,cchSizeClass,pParsedPath->m_pClass) ) )
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{
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hr = StringCchCopyW ( wcsInstance, cchSizeInstance, pKeyRef->m_vValue.bstrVal );
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}
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}
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}
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}
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Parser.Free(pParsedPath);
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}
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catch(...)
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{
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hr = WBEM_E_UNEXPECTED;
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Parser.Free(pParsedPath);
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throw;
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}
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}
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return hr;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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BOOL GetUserThreadToken(HANDLE * phThreadTok)
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{
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BOOL fRc = FALSE;
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HRESULT hRes = WbemCoImpersonateClient();
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if (SUCCEEDED(hRes))
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{
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// Now, let's check the impersonation level. First, get the thread token
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if (!OpenThreadToken( GetCurrentThread(), TOKEN_QUERY, TRUE, phThreadTok))
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{
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// If the CoImpersonate works, but the OpenThreadToken fails, we are running under the
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// process token (either local system, or if we are running with /exe, the rights of
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// the logged in user). In either case, impersonation rights don't apply. We have the
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// full rights of that user.
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if(GetLastError() == ERROR_NO_TOKEN)
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{
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// Try getting the thread token. If it fails it's because we're a system thread and
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// we don't yet have a thread token, so just impersonate self and try again.
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if( ImpersonateSelf(SecurityImpersonation) )
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{
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if (!OpenThreadToken( GetCurrentThread(), TOKEN_QUERY, TRUE, phThreadTok))
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{
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fRc = FALSE;
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}
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else
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{
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fRc = TRUE;
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}
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}
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else
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{
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ERRORTRACE((THISPROVIDER,"ImpersonateSelf(SecurityImpersonation)failed\n"));
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}
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}
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}
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else
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{
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fRc = TRUE;
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}
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}
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if( !fRc )
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{
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ERRORTRACE((THISPROVIDER,IDS_ImpersonationFailed));
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}
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return fRc;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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SAFEARRAY * OMSSafeArrayCreate( IN VARTYPE vt, IN int iNumElements)
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{
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if(iNumElements < 1)
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{
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return NULL;
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}
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SAFEARRAYBOUND rgsabound[1];
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rgsabound[0].lLbound = 0;
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rgsabound[0].cElements = iNumElements;
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return SafeArrayCreate(vt,1,rgsabound);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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void TranslateAndLog( WCHAR * wcsMsg, BOOL bVerbose )
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{
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BOOL bContinue = FALSE ;
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if ( bVerbose )
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{
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if ( LoggingLevelEnabled ( 2 ) )
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{
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bContinue = TRUE ;
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}
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}
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else
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{
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bContinue = TRUE ;
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}
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if ( bContinue )
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{
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char * pStr = NULL;
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DWORD cCharacters = wcslen(wcsMsg)+1;
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pStr = new char[cCharacters*2];
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if (NULL != pStr)
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{
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try
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{
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// Convert to ANSI.
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if (0 != WideCharToMultiByte(CP_ACP, 0, wcsMsg, cCharacters, pStr, cCharacters*2, NULL, NULL))
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{
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if ( bVerbose )
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{
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DEBUGTRACE((THISPROVIDER,pStr));
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}
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else
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{
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ERRORTRACE((THISPROVIDER,pStr));
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}
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SAFE_DELETE_ARRAY(pStr);
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}
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}
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catch(...)
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{
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SAFE_DELETE_ARRAY(pStr);
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throw;
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}
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}
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if ( bVerbose )
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{
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DEBUGTRACE((THISPROVIDER,"\n"));
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}
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else
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{
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ERRORTRACE((THISPROVIDER,"\n"));
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}
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}
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}
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/////////////////////////////////////////////////////////////////////////////////////////////////
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bool IsNT(void)
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{
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OSVERSIONINFO os;
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os.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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if(!GetVersionEx(&os))
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return FALSE; // should never happen
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return os.dwPlatformId == VER_PLATFORM_WIN32_NT;
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}
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////////////////////////////////////////////////////////////////////
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BOOL SetGuid(WCHAR * pwcsGuidString, CLSID & Guid)
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{
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BOOL fRc = FALSE;
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CAutoWChar wcsGuid(MAX_PATH+2);
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if( wcsGuid.Valid() )
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{
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if ( FAILED ( CLSIDFromString ( pwcsGuidString, &Guid ) ) )
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{
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if ( SUCCEEDED ( StringCchPrintfW ( wcsGuid, MAX_PATH+2, L"{%s}", pwcsGuidString ) ) )
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{
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if ( SUCCEEDED ( CLSIDFromString ( wcsGuid, &Guid ) ) )
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{
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fRc = TRUE;
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}
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}
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}
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else
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{
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fRc = TRUE;
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}
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}
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return fRc;
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}
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////////////////////////////////////////////////////////////////////
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HRESULT AllocAndCopy(WCHAR * wcsSource, WCHAR ** pwcsDest )
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{
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HRESULT hr = WBEM_E_FAILED;
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int nLen = wcslen(wcsSource);
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if( nLen > 0 )
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{
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*pwcsDest = new WCHAR[nLen + 2 ];
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if( *pwcsDest )
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{
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hr = StringCchCopyW(*pwcsDest, nLen+2, wcsSource);
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}
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}
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return hr;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//**********************************************************************************************
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// Utility Classes
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//**********************************************************************************************
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////////////////////////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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void _WMIHandleMap::AddRef()
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{
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InterlockedIncrement((long*)&RefCount);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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long _WMIHandleMap::Release()
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{
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ULONG cRef = InterlockedDecrement( (long*) &RefCount);
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if ( !cRef ){
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WmiCloseBlock(WMIHandle);
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return 0;
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}
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return cRef;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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_WMIEventRequest::_WMIEventRequest()
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{
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pwcsClass = NULL ;
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pHandler = NULL;
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pCtx = NULL;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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_WMIEventRequest::~_WMIEventRequest()
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{
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SAFE_RELEASE_PTR(pCtx);
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SAFE_DELETE_ARRAY(pwcsClass);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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HRESULT _WMIEventRequest::AddPtrs (
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IWbemObjectSink __RPC_FAR * Handler,
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IWbemServices __RPC_FAR * Services,
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IWbemServices __RPC_FAR * Repository,
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IWbemContext __RPC_FAR * Ctx
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)
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{
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HRESULT hr = E_FAIL;
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if ( SUCCEEDED ( hr = gipServices.Globalize(Services) ) )
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{
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if ( SUCCEEDED ( hr = gipRepository.Globalize(Repository) ) )
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{
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pHandler = Handler;
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pCtx = Ctx;
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if( pCtx ){
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pCtx->AddRef();
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}
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}
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}
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return hr;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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_AccessList::~_AccessList()
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{
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for( int i = 0; i < m_List.Size(); i++ )
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{
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IWbemObjectAccess * pPtr = (IWbemObjectAccess *)m_List[i];
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SAFE_RELEASE_PTR(pPtr);
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}
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m_List.Empty();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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_IdList::~_IdList()
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{
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for( int i = 0; i < m_List.Size(); i++ )
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{
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ULONG_PTR* pPtr = (ULONG_PTR*)m_List[i];
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SAFE_DELETE_PTR(pPtr);
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}
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m_List.Empty();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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_HandleList::~_HandleList()
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{
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for( int i = 0; i < m_List.Size(); i++ )
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{
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HANDLE * pPtr = (HANDLE*)m_List[i];
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SAFE_DELETE_PTR(pPtr);
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}
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m_List.Empty();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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_InstanceList::~_InstanceList()
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{
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for( int i = 0; i < m_List.Size(); i++ )
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{
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WCHAR * p = (WCHAR*)m_List[i];
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SAFE_DELETE_ARRAY(p);
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}
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m_List.Empty();
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////////
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_OldClassInfo::~_OldClassInfo()
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{
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SAFE_DELETE_ARRAY(m_pClass);
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SAFE_DELETE_ARRAY(m_pPath);
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m_pClass = m_pPath = NULL;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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_OldClassList::~_OldClassList()
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{
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for( int i = 0; i < m_List.Size(); i++ )
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{
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OldClassInfo * p = (OldClassInfo*)m_List[i];
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SAFE_DELETE_PTR(p);
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}
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m_List.Empty();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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_WMIHiPerfHandleMap::_WMIHiPerfHandleMap(CWMIProcessClass * p, IWbemHiPerfEnum * pEnum)
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{
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m_pEnum = pEnum;
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if( pEnum )
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{
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pEnum->AddRef();
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}
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m_pClass = p;
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m_fEnumerator = FALSE;
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lHiPerfId = 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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_WMIHiPerfHandleMap::~_WMIHiPerfHandleMap()
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{
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SAFE_RELEASE_PTR(m_pEnum);
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lHiPerfId = 0;
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SAFE_DELETE_PTR(m_pClass);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Hi Perf Handle Map = Handles are addref'd and when released, then the block is closed
|
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// Critical Sections are handled elsewhere
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///////////////////////////////////////////////////////////////////////////////////////////////////////////
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HRESULT CHiPerfHandleMap::Add( HANDLE hCurrent, ULONG_PTR lHiPerfId, CWMIProcessClass * p, IWbemHiPerfEnum * pEnum)
|
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{
|
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HRESULT hr = S_OK;
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|
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WMIHiPerfHandleMap * pWMIMap = new WMIHiPerfHandleMap(p,pEnum);
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if( pWMIMap )
|
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{
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try
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|
{
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pWMIMap->WMIHandle = hCurrent;
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pWMIMap->lHiPerfId = lHiPerfId;
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// 170635
|
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if(CFlexArray::out_of_memory == m_List.Add(pWMIMap))
|
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{
|
|
SAFE_DELETE_PTR(pWMIMap);
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
}
|
|
catch(...)
|
|
{
|
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hr = WBEM_E_UNEXPECTED;
|
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SAFE_DELETE_PTR(pWMIMap);
|
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throw;
|
|
}
|
|
}
|
|
|
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return hr;
|
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}
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
HRESULT CHiPerfHandleMap::FindHandleAndGetClassPtr( HANDLE & hCurrent, ULONG_PTR lHiPerfId,CWMIProcessClass *& p)
|
|
{
|
|
HRESULT hr = WBEM_E_NOT_FOUND;
|
|
|
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for( int i=0; i<m_List.Size(); i++)
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{
|
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//===================================================
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//
|
|
//===================================================
|
|
WMIHiPerfHandleMap * pMap = (WMIHiPerfHandleMap *) m_List[i];
|
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if( pMap->lHiPerfId == lHiPerfId )
|
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{
|
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hCurrent = pMap->WMIHandle;
|
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p = pMap->m_pClass;
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hr = S_OK;
|
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}
|
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}
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|
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return hr;
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}
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
HRESULT CHiPerfHandleMap::GetFirstHandle(HANDLE & hCurrent,CWMIProcessClass *& p, IWbemHiPerfEnum *& pEnum)
|
|
{
|
|
m_nIndex=0;
|
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return GetNextHandle(hCurrent,p,pEnum);
|
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}
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
HRESULT CHiPerfHandleMap::GetNextHandle(HANDLE & hCurrent,CWMIProcessClass *& p, IWbemHiPerfEnum *& pEnum)
|
|
{
|
|
HRESULT hr = WBEM_S_NO_MORE_DATA;
|
|
|
|
if( m_nIndex < m_List.Size() )
|
|
{
|
|
WMIHiPerfHandleMap * pMap = (WMIHiPerfHandleMap *) m_List[m_nIndex];
|
|
hCurrent = pMap->WMIHandle;
|
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p = pMap->m_pClass;
|
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pEnum = pMap->m_pEnum;
|
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m_nIndex++;
|
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hr = S_OK;
|
|
}
|
|
return hr;
|
|
}
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
HRESULT CHiPerfHandleMap::Delete( HANDLE & hCurrent, ULONG_PTR lHiPerfId )
|
|
{
|
|
HRESULT hr = WBEM_E_NOT_FOUND;
|
|
|
|
for( int i=0; i<m_List.Size(); i++)
|
|
{
|
|
//===================================================
|
|
//
|
|
//===================================================
|
|
WMIHiPerfHandleMap * pMap = (WMIHiPerfHandleMap *) m_List[i];
|
|
if( pMap->lHiPerfId == lHiPerfId )
|
|
{
|
|
hCurrent = pMap->WMIHandle;
|
|
SAFE_DELETE_PTR(pMap);
|
|
m_List.RemoveAt(i);
|
|
hr = S_OK;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// When this function is called, release all the handles kept
|
|
// THis function is called in the destructor of the class to release all teh WMIHiPerfHandleMap
|
|
// classes allocated
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
void CHiPerfHandleMap::CloseAndReleaseHandles()
|
|
{
|
|
//===================================
|
|
// Go through the handles one at
|
|
// a time and close them, then
|
|
// delete the records from the
|
|
// array
|
|
//===================================
|
|
|
|
CAutoBlock((CCriticalSection *)&m_HandleCs);
|
|
|
|
if( m_List.Size() > 0 ){
|
|
|
|
for(int i = 0; i < m_List.Size(); i++){
|
|
|
|
WMIHiPerfHandleMap * pWMIMap = (WMIHiPerfHandleMap *) m_List[i];
|
|
SAFE_DELETE_PTR(pWMIMap);
|
|
}
|
|
|
|
//==================================================
|
|
// Remove it and deallocate memory
|
|
//==================================================
|
|
m_List.Empty();
|
|
}
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Regular Handle Map = Expensize handles are always kept open - by default we, dont' know the lifetime
|
|
// of these handles
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
HRESULT CHandleMap::Add(CLSID Guid, HANDLE hCurrent, ULONG uDesiredAccess)
|
|
{
|
|
// Critical section is called elsewhere
|
|
|
|
HRESULT hr = S_OK;
|
|
|
|
WMIHandleMap * pWMIMap = new WMIHandleMap();
|
|
if( pWMIMap )
|
|
{
|
|
try
|
|
{
|
|
pWMIMap->AddRef(); // Used for HiPerf counts, otherwise not referenced
|
|
pWMIMap->WMIHandle = hCurrent;
|
|
pWMIMap->Guid = Guid;
|
|
pWMIMap->uDesiredAccess = uDesiredAccess;
|
|
|
|
// 170635
|
|
if(CFlexArray::out_of_memory == m_List.Add(pWMIMap))
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
SAFE_DELETE_PTR(pWMIMap);
|
|
}
|
|
}
|
|
catch(...)
|
|
{
|
|
hr = WBEM_E_UNEXPECTED;
|
|
SAFE_DELETE_PTR(pWMIMap);
|
|
throw;
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
int CHandleMap::ExistingHandleAlreadyExistsForThisGuidUseIt(CLSID Guid,
|
|
HANDLE & hCurrentWMIHandle,
|
|
BOOL & fCloseHandle,
|
|
ULONG uDesiredAccess)
|
|
{
|
|
int nRc = ERROR_NOT_SUPPORTED;
|
|
|
|
// Critical section is called elsewhere
|
|
|
|
//=====================================================
|
|
// Initialize stuff
|
|
//=====================================================
|
|
hCurrentWMIHandle = 0;
|
|
fCloseHandle = TRUE;
|
|
|
|
for(int i = 0; i < m_List.Size(); i++){
|
|
|
|
WMIHandleMap * pWMIMap = (WMIHandleMap*) m_List[i];
|
|
//==================================================
|
|
// Compare and see if this guid already has a
|
|
// handle assigned for it with the access permissions
|
|
// that we want to use
|
|
//==================================================
|
|
if( pWMIMap->Guid == Guid ){
|
|
if( pWMIMap->uDesiredAccess == uDesiredAccess ){
|
|
|
|
hCurrentWMIHandle = pWMIMap->WMIHandle;
|
|
pWMIMap->AddRef(); // Used for HiPerf Handles, otherwise not needed
|
|
nRc = ERROR_SUCCESS;
|
|
fCloseHandle = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return nRc;
|
|
}
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// When this function is called, we need to close all of the handles that may have been kept
|
|
// open for accumulation purposes
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
void CHandleMap::CloseAllOutstandingWMIHandles()
|
|
{
|
|
//===================================
|
|
// Go through the handles one at
|
|
// a time and close them, then
|
|
// delete the records from the
|
|
// array
|
|
//===================================
|
|
|
|
CAutoBlock((CCriticalSection *)&m_HandleCs);
|
|
|
|
if( m_List.Size() > 0 ){
|
|
|
|
for(int i = 0; i < m_List.Size(); i++){
|
|
|
|
WMIHandleMap * pWMIMap = (WMIHandleMap*) m_List[i];
|
|
//==================================================
|
|
// Inform WMI we are done with this guy
|
|
//==================================================
|
|
try
|
|
{
|
|
WmiCloseBlock(pWMIMap->WMIHandle);
|
|
}
|
|
catch(...)
|
|
{
|
|
// don't throw
|
|
}
|
|
SAFE_DELETE_PTR(pWMIMap);
|
|
}
|
|
|
|
//==================================================
|
|
// Remove it and deallocate memory
|
|
//==================================================
|
|
m_List.Empty();
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Used when we know the handles lifetimes
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
int CHandleMap::ReleaseHandle( HANDLE hCurrentWMIHandle )
|
|
{
|
|
int nRc = ERROR_NOT_SUPPORTED;
|
|
|
|
CAutoBlock((CCriticalSection *)&m_HandleCs);
|
|
|
|
for(int i = 0; i < m_List.Size(); i++){
|
|
|
|
WMIHandleMap * pWMIMap = (WMIHandleMap*) m_List[i];
|
|
|
|
if( pWMIMap->WMIHandle == hCurrentWMIHandle )
|
|
{
|
|
long RefCount = pWMIMap->Release(); // Used for HiPerf Handles, otherwise not needed
|
|
if( !RefCount )
|
|
{
|
|
// WmiCloseBlock(hCurrentWMIHandle);
|
|
SAFE_DELETE_PTR( pWMIMap);
|
|
m_List.RemoveAt(i);
|
|
}
|
|
nRc = ERROR_SUCCESS;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return nRc;
|
|
}
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
int CHandleMap::GetHandle(CLSID Guid, HANDLE & hCurrentWMIHandle )
|
|
{
|
|
int nRc = ERROR_NOT_SUPPORTED;
|
|
|
|
CAutoBlock((CCriticalSection *)&m_HandleCs);
|
|
|
|
//=====================================================
|
|
// Initialize stuff
|
|
//=====================================================
|
|
hCurrentWMIHandle = 0;
|
|
|
|
for(int i = 0; i < m_List.Size(); i++){
|
|
|
|
WMIHandleMap * pWMIMap = (WMIHandleMap*) m_List[i];
|
|
if( pWMIMap->Guid == Guid ){
|
|
|
|
hCurrentWMIHandle = pWMIMap->WMIHandle;
|
|
pWMIMap->AddRef(); // Used for HiPerf Handles, otherwise not needed
|
|
nRc = ERROR_SUCCESS;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return nRc;
|
|
}
|
|
|
|
//************************************************************************************************************
|
|
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// CWMIManagement
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
//************************************************************************************************************
|
|
CWMIManagement::CWMIManagement( ) :
|
|
m_pHandler ( NULL ) ,
|
|
m_pServices ( NULL ) ,
|
|
m_pRepository ( NULL ) ,
|
|
m_pCtx ( NULL ) ,
|
|
m_pHandleMap ( NULL )
|
|
|
|
{
|
|
}
|
|
//////////////////////////////////////////////////////////////////////////////////////
|
|
CWMIManagement::~CWMIManagement()
|
|
{
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
void CWMIManagement::SendPrivilegeExtendedErrorObject( HRESULT hrToReturn,WCHAR * wcsClass)
|
|
{
|
|
HRESULT hr,hRes;
|
|
IWbemClassObject * pClass = NULL, *pInst=NULL;
|
|
BOOL fSetStatus = FALSE;
|
|
|
|
|
|
if( hrToReturn == WBEM_E_ACCESS_DENIED ){
|
|
|
|
TOKEN_PRIVILEGES * ptPriv = NULL;
|
|
|
|
hr = GetListOfUserPrivileges(ptPriv);
|
|
if( SUCCEEDED(hr ) ){
|
|
|
|
BSTR strPrivelegeStat = NULL;
|
|
strPrivelegeStat = SysAllocString(L"Win32_PrivilegesStatus");
|
|
if(strPrivelegeStat != NULL)
|
|
{
|
|
hr = m_pRepository->GetObject(strPrivelegeStat, 0,m_pCtx, &pClass, NULL);
|
|
if( hr == S_OK){
|
|
|
|
//=============================================================
|
|
// Get an instance of the extended class
|
|
//=============================================================
|
|
hr = pClass->SpawnInstance(0,&pInst);
|
|
SAFE_RELEASE_PTR(pClass);
|
|
|
|
if( pInst ){
|
|
|
|
CVARIANT varTmp;
|
|
//=========================================================
|
|
// Fill in description
|
|
//=========================================================
|
|
varTmp.SetStr(IDS_ImpersonationFailedWide);
|
|
hr = pInst->Put(L"Description", 0, &varTmp, NULL);
|
|
|
|
//======================================================
|
|
// Initialize all of the necessary stuff and get the
|
|
// definition of the class we are working with
|
|
//======================================================
|
|
CWMIProcessClass ClassInfo(0);
|
|
if( SUCCEEDED(ClassInfo.Initialize()) )
|
|
{
|
|
ClassInfo.WMI()->SetWMIPointers(m_pHandleMap,m_pServices,m_pRepository,m_pHandler,m_pCtx);
|
|
ClassInfo.SetClass(wcsClass);
|
|
SAFEARRAY *psaPrivNotHeld=NULL;
|
|
SAFEARRAY *psaPrivReq=NULL;
|
|
|
|
//=========================================================
|
|
// Get PrivilegesRequired
|
|
// The only place to get this, if possible, is from the
|
|
// class
|
|
//=========================================================
|
|
|
|
hRes = ClassInfo.GetPrivilegesQualifer(&psaPrivReq);
|
|
if( hRes == WBEM_S_NO_ERROR){
|
|
|
|
//=========================================================
|
|
// Get PrivilegesNotHeld
|
|
//=========================================================
|
|
ProcessPrivileges(ptPriv,psaPrivNotHeld,psaPrivReq);
|
|
//=========================================================
|
|
// Send it off
|
|
//=========================================================
|
|
VARIANT v;
|
|
|
|
if( psaPrivReq ){
|
|
VariantInit(&v);
|
|
SAFEARRAY *pSafeArray = NULL;
|
|
|
|
if ( SUCCEEDED ( SafeArrayCopy ((SAFEARRAY*)psaPrivReq , &pSafeArray ) ) ){
|
|
v.vt = VT_BSTR | VT_ARRAY;
|
|
v.parray = pSafeArray;
|
|
pInst->Put(L"PrivilegesRequired", 0, &v, NULL);
|
|
VariantClear(&v);
|
|
}
|
|
}
|
|
|
|
if( psaPrivNotHeld ){
|
|
VariantInit(&v);
|
|
SAFEARRAY *pSafeArray = NULL;
|
|
|
|
if ( SUCCEEDED ( SafeArrayCopy ((SAFEARRAY*)psaPrivNotHeld , &pSafeArray ) ) ){
|
|
v.vt = VT_BSTR | VT_ARRAY;
|
|
v.parray = pSafeArray;
|
|
pInst->Put(L"PrivilegesNotHeld", 0, &v, NULL);
|
|
VariantClear(&v);
|
|
}
|
|
}
|
|
}
|
|
//=========================================================
|
|
// Now, send this guy off...
|
|
//=========================================================
|
|
fSetStatus = TRUE;
|
|
hr = m_pHandler->SetStatus(0,hrToReturn,NULL,pInst);
|
|
|
|
|
|
if (psaPrivNotHeld)
|
|
SafeArrayDestroy(psaPrivNotHeld);
|
|
if (psaPrivReq)
|
|
SafeArrayDestroy(psaPrivReq);
|
|
}
|
|
|
|
}
|
|
SAFE_RELEASE_PTR(pInst);
|
|
}
|
|
SysFreeString(strPrivelegeStat);
|
|
}
|
|
}
|
|
|
|
SAFE_DELETE_ARRAY(ptPriv);
|
|
}
|
|
|
|
if( !fSetStatus ){
|
|
hr = m_pHandler->SetStatus(0,hrToReturn,NULL,NULL);
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
HRESULT CWMIManagement::SetErrorMessage(HRESULT hrToReturn,WCHAR * wcsClass,WCHAR * wcsMsg)
|
|
{
|
|
HRESULT hr;
|
|
IWbemClassObject * pClass = NULL, *pInst=NULL;
|
|
BOOL fSetStatus = FALSE;
|
|
|
|
if( m_pHandler )
|
|
{
|
|
BSTR strExtendedStat = NULL;
|
|
|
|
switch( hrToReturn ){
|
|
|
|
case WBEM_E_ACCESS_DENIED:
|
|
SendPrivilegeExtendedErrorObject(hrToReturn,wcsClass);
|
|
break;
|
|
|
|
case S_OK :
|
|
hr = m_pHandler->SetStatus(0,hrToReturn,NULL,NULL);
|
|
break;
|
|
|
|
default:
|
|
strExtendedStat = SysAllocString(L"__ExtendedStatus");
|
|
if(strExtendedStat != NULL)
|
|
{
|
|
hr = m_pRepository->GetObject(strExtendedStat, 0,m_pCtx, &pClass, NULL);
|
|
if( hr == S_OK){
|
|
hr = pClass->SpawnInstance(0,&pInst);
|
|
if( pInst ){
|
|
|
|
CVARIANT varTmp;
|
|
varTmp.SetStr(wcsMsg);
|
|
|
|
hr = pInst->Put(L"Description", 0, &varTmp, NULL);
|
|
hr = m_pHandler->SetStatus(0,hrToReturn,NULL,pInst);
|
|
fSetStatus = TRUE;
|
|
|
|
// Now log the error in the error log
|
|
if( hrToReturn != S_OK ){
|
|
TranslateAndLog(varTmp.GetStr());
|
|
}
|
|
}
|
|
}
|
|
if( !fSetStatus ){
|
|
hr = m_pHandler->SetStatus(0,hrToReturn,NULL,NULL);
|
|
}
|
|
SAFE_RELEASE_PTR(pClass);
|
|
SAFE_RELEASE_PTR(pInst);
|
|
SysFreeString(strExtendedStat);
|
|
}
|
|
else
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return hrToReturn;
|
|
}
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
HRESULT CWMIManagement::GetListOfUserPrivileges(TOKEN_PRIVILEGES *& ptPriv)
|
|
{
|
|
HRESULT hr = WBEM_E_FAILED;
|
|
|
|
// Get the privileges this user has
|
|
DWORD dwTokenInfoLength = 0;
|
|
DWORD dwSize = 0;
|
|
HANDLE hThreadTok;
|
|
|
|
if (IsNT()){
|
|
|
|
if( GetUserThreadToken(&hThreadTok) ){
|
|
|
|
// get information
|
|
if (!GetTokenInformation(hThreadTok, TokenPrivileges, NULL, dwTokenInfoLength, &dwSize)){
|
|
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
|
|
{
|
|
ptPriv = ( TOKEN_PRIVILEGES* ) new BYTE[dwSize];
|
|
if( ptPriv )
|
|
{
|
|
try
|
|
{
|
|
dwTokenInfoLength = dwSize;
|
|
if(GetTokenInformation(hThreadTok, TokenPrivileges, (LPVOID)ptPriv, dwTokenInfoLength, &dwSize))
|
|
{
|
|
hr = WBEM_NO_ERROR;
|
|
}
|
|
}
|
|
catch(...)
|
|
{
|
|
SAFE_DELETE_ARRAY(ptPriv);
|
|
hr = WBEM_E_UNEXPECTED;
|
|
throw;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Done with this handle
|
|
CloseHandle(hThreadTok);
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
void CWMIManagement::ProcessPrivileges(TOKEN_PRIVILEGES *ptPriv, SAFEARRAY *& psaPrivNotHeld, SAFEARRAY * psaPrivReq )
|
|
{
|
|
BOOL fFound = FALSE;
|
|
|
|
//==============================================================
|
|
// Create a temporary working array, we know the MAX can be
|
|
// the number of priv held + the number of priv req, so
|
|
// allocate it for that
|
|
//==============================================================
|
|
CSAFEARRAY PrivReq( psaPrivReq );
|
|
|
|
|
|
long lMax = PrivReq.GetNumElements()+ptPriv->PrivilegeCount;
|
|
psaPrivNotHeld = OMSSafeArrayCreate(VT_BSTR,lMax);
|
|
long nCurrentIndex = 0;
|
|
|
|
//==============================================================
|
|
// Get how many privs are not held
|
|
//==============================================================
|
|
for( long n = 0; n < PrivReq.GetNumElements(); n++ ){
|
|
//==============================================================
|
|
// Now, get the privileges held array ready to put stuff in
|
|
//==============================================================
|
|
TCHAR * pPrivReq = NULL;
|
|
CBSTR bstr;
|
|
|
|
if( S_OK != PrivReq.Get(n, &bstr)){
|
|
return;
|
|
}
|
|
fFound = FALSE;
|
|
pPrivReq = (TCHAR *)bstr;
|
|
|
|
// NTRaid:136384
|
|
// 07/12/00
|
|
if(pPrivReq)
|
|
{
|
|
|
|
for(int i=0;i < (int)ptPriv->PrivilegeCount;i++)
|
|
{
|
|
DWORD dwPriv=NAME_SIZE*2;
|
|
TCHAR szPriv[NAME_SIZE*2];
|
|
|
|
if( LookupPrivilegeName( NULL, &ptPriv->Privileges[i].Luid, szPriv, &dwPriv)){
|
|
|
|
//==============================================
|
|
// If we found the privilege, then the user has
|
|
// it. break out
|
|
//==============================================
|
|
if( _tcscmp( pPrivReq,szPriv ) == 0 ){
|
|
fFound = TRUE;
|
|
break;
|
|
}
|
|
|
|
}
|
|
//==================================================
|
|
// If we didn't find it, then we need to add it to
|
|
// the list so we can notify the user
|
|
//==================================================
|
|
if( !fFound ){
|
|
if( S_OK == SafeArrayPutElement(psaPrivNotHeld, &nCurrentIndex, bstr))
|
|
{
|
|
nCurrentIndex++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
pPrivReq = NULL;
|
|
}
|
|
|
|
SAFEARRAYBOUND rgsabound[1];
|
|
rgsabound[0].lLbound = 0;
|
|
rgsabound[0].cElements = nCurrentIndex;
|
|
HRESULT hr = SafeArrayRedim(psaPrivNotHeld, rgsabound);
|
|
|
|
PrivReq.Unbind();
|
|
}
|
|
|
|
|
|
|
|
|
|
|