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372 lines
12 KiB
372 lines
12 KiB
// ExtensionInfoAction.cpp: implementation of the CExtensionInfoAction class.
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//
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// Copyright (c) 1997-2001 Microsoft Corporation, All Rights Reserved
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//
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//////////////////////////////////////////////////////////////////////
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#include "precomp.h"
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#include "ExtensionInfoAction.h"
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#include "ExtendString.h"
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#include "ExtendQuery.h"
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CExtensionInfoAction::CExtensionInfoAction(CRequestObject *pObj, IWbemServices *pNamespace,
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IWbemContext *pCtx):CGenericClass(pObj, pNamespace, pCtx)
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{
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}
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CExtensionInfoAction::~CExtensionInfoAction()
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{
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}
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HRESULT CExtensionInfoAction::CreateObject(IWbemObjectSink *pHandler, ACTIONTYPE atAction)
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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MSIHANDLE hView = NULL;
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MSIHANDLE hVView = NULL;
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MSIHANDLE hSView = NULL;
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MSIHANDLE hMView = NULL;
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MSIHANDLE hRecord = NULL;
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MSIHANDLE hVRecord= NULL;
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MSIHANDLE hSRecord= NULL;
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MSIHANDLE hMRecord= NULL;
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int i = -1;
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WCHAR wcBuf[BUFF_SIZE];
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WCHAR wcExtension[BUFF_SIZE];
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WCHAR wcProductCode[39];
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DWORD dwBufSize;
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bool bMatch = false;
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UINT uiStatus;
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bool bGotID = false;
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WCHAR wcAction[BUFF_SIZE];
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WCHAR wcTestCode[39];
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//These will change from class to class
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bool bActionID;
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SetSinglePropertyPath(L"ActionID");
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//improve getobject performance by optimizing the query
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if(atAction != ACTIONTYPE_ENUM)
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{
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// we are doing GetObject so we need to be reinitialized
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hr = WBEM_E_NOT_FOUND;
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BSTR bstrCompare;
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int iPos = -1;
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bstrCompare = SysAllocString ( L"ActionID" );
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if ( bstrCompare )
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{
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if(FindIn(m_pRequest->m_Property, bstrCompare, &iPos))
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{
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if ( ::SysStringLen ( m_pRequest->m_Value[iPos] ) < BUFF_SIZE )
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{
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//Get the action we're looking for
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wcscpy(wcBuf, m_pRequest->m_Value[iPos]);
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// safe operation if wcslen ( wcBuf ) > 38
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if ( wcslen ( wcBuf ) > 38 )
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{
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wcscpy(wcTestCode, &(wcBuf[(wcslen(wcBuf) - 38)]));
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}
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else
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{
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// we are not good to go, they have sent us longer string
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SysFreeString ( bstrCompare );
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throw hr;
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}
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// safe because lenght has been tested already in condition
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RemoveFinalGUID(m_pRequest->m_Value[iPos], wcAction);
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bGotID = true;
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}
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else
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{
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// we are not good to go, they have sent us longer string
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SysFreeString ( bstrCompare );
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throw hr;
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}
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}
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SysFreeString ( bstrCompare );
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}
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else
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{
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throw CHeap_Exception(CHeap_Exception::E_ALLOCATION_ERROR);
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}
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}
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Query wcQuery;
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wcQuery.Append ( 1, L"select distinct `Extension`, `Component_`, `ProgId_` from Extension" );
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//optimize for GetObject
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if ( bGotID )
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{
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wcQuery.Append ( 3, L" where `Extension`=\'", wcAction, L"\'" );
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}
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QueryExt wcQuery1 ( L"select distinct `Verb`, `Command`, `Argument` from Verb where `Extension_`=\'" );
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QueryExt wcQuery2 ( L"select `ShellNew`, `ShellNewValue` from Extension where `Extension`=\'" );
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QueryExt wcQuery3 ( L"select `MIME_` from Extension where `Extension`=\'" );
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LPWSTR Buffer = NULL;
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LPWSTR dynBuffer = NULL;
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DWORD dwDynBuffer = 0L;
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LPWSTR BufExtension = NULL;
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LPWSTR dynBufExtension = NULL;
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DWORD dwdynBufExtension = 0L;
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while(!bMatch && m_pRequest->Package(++i) && (hr != WBEM_E_CALL_CANCELLED))
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{
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// safe operation:
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// Package ( i ) returns NULL ( tested above ) or valid WCHAR [39]
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wcscpy(wcProductCode, m_pRequest->Package(i));
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if((atAction == ACTIONTYPE_ENUM) || (bGotID && (_wcsicmp(wcTestCode, wcProductCode) == 0))){
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//Open our database
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try
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{
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if ( GetView ( &hView, wcProductCode, wcQuery, L"Extension", TRUE, FALSE ) )
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{
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uiStatus = g_fpMsiViewFetch(hView, &hRecord);
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while(!bMatch && (uiStatus != ERROR_NO_MORE_ITEMS) && (hr != WBEM_E_CALL_CANCELLED)){
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CheckMSI(uiStatus);
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if(FAILED(hr = SpawnAnInstance(&m_pObj))) throw hr;
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//----------------------------------------------------
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dwBufSize = BUFF_SIZE;
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GetBufferToPut ( hRecord, 1, dwBufSize, wcExtension, dwdynBufExtension, dynBufExtension, BufExtension );
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PutProperty(m_pObj, pExtension, BufExtension);
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// make query on fly
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wcQuery1.Append ( 2, BufExtension, L"\'" );
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PutKeyProperty ( m_pObj, pActionID, BufExtension, &bActionID, m_pRequest, 1, wcProductCode );
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//====================================================
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dwBufSize = BUFF_SIZE;
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GetBufferToPut ( hRecord, 2, dwBufSize, wcBuf, dwDynBuffer, dynBuffer, Buffer );
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if ( ValidateComponentName ( msidata.GetDatabase (),
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wcProductCode,
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Buffer
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)
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)
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{
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if ( dynBuffer && dynBuffer [ 0 ] != 0 )
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{
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dynBuffer [ 0 ] = 0;
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}
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dwBufSize = BUFF_SIZE;
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PutPropertySpecial ( hRecord, 3, dwBufSize, wcBuf, dwDynBuffer, dynBuffer, FALSE, 4, pProgID, pName, pCaption, pDescription );
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CheckMSI(g_fpMsiDatabaseOpenViewW(msidata.GetDatabase (), wcQuery1, &hVView));
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CheckMSI(g_fpMsiViewExecute(hVView, 0));
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try{
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uiStatus = g_fpMsiViewFetch(hVView, &hVRecord);
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if(uiStatus != ERROR_NO_MORE_ITEMS){
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CheckMSI(uiStatus);
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dwBufSize = BUFF_SIZE;
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PutPropertySpecial ( hVRecord, 1, dwBufSize, wcBuf, dwDynBuffer, dynBuffer, pVerb );
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dwBufSize = BUFF_SIZE;
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PutPropertySpecial ( hVRecord, 2, dwBufSize, wcBuf, dwDynBuffer, dynBuffer, pCommand );
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dwBufSize = BUFF_SIZE;
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PutPropertySpecial ( hVRecord, 3, dwBufSize, wcBuf, dwDynBuffer, dynBuffer, pArgument );
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}
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// make query on fly
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wcQuery2.Append ( 2, BufExtension, L"\'" );
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if((uiStatus = g_fpMsiDatabaseOpenViewW(msidata.GetDatabase (), wcQuery2, &hSView)) !=
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ERROR_BAD_QUERY_SYNTAX){
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CheckMSI(uiStatus);
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CheckMSI(g_fpMsiViewExecute(hSView, 0));
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try{
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uiStatus = g_fpMsiViewFetch(hSView, &hSRecord);
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if(uiStatus != ERROR_NO_MORE_ITEMS){
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CheckMSI(uiStatus);
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dwBufSize = BUFF_SIZE;
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PutPropertySpecial ( hSRecord, 1, dwBufSize, wcBuf, dwDynBuffer, dynBuffer, pShellNew );
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dwBufSize = BUFF_SIZE;
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PutPropertySpecial ( hSRecord, 2, dwBufSize, wcBuf, dwDynBuffer, dynBuffer, pShellNewValue );
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}
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}catch(...){
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g_fpMsiViewClose(hSView);
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g_fpMsiCloseHandle(hSView);
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g_fpMsiCloseHandle(hSRecord);
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throw;
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}
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g_fpMsiViewClose(hSView);
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g_fpMsiCloseHandle(hSView);
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g_fpMsiCloseHandle(hSRecord);
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}
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else
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{
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// make query on fly
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wcQuery3.Append ( 2, BufExtension, L"\'" );
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if((uiStatus = g_fpMsiDatabaseOpenViewW(msidata.GetDatabase (), wcQuery3, &hMView)) !=
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ERROR_BAD_QUERY_SYNTAX){
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CheckMSI(uiStatus);
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CheckMSI(g_fpMsiViewExecute(hMView, 0));
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try{
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uiStatus = g_fpMsiViewFetch(hMView, &hMRecord);
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if(uiStatus != ERROR_NO_MORE_ITEMS){
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CheckMSI(uiStatus);
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dwBufSize = BUFF_SIZE;
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PutPropertySpecial ( hMRecord, 1, dwBufSize, wcBuf, dwDynBuffer, dynBuffer, pMIME );
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}
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}catch(...){
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g_fpMsiViewClose(hMView);
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g_fpMsiCloseHandle(hMView);
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g_fpMsiCloseHandle(hMRecord);
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throw;
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}
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g_fpMsiViewClose(hMView);
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g_fpMsiCloseHandle(hMView);
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g_fpMsiCloseHandle(hMRecord);
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}
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}
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if ( dynBufExtension && dynBufExtension [ 0 ] != 0 )
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{
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dynBufExtension [ 0 ] = 0;
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}
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}catch(...){
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g_fpMsiViewClose(hVView);
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g_fpMsiCloseHandle(hVView);
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g_fpMsiCloseHandle(hVRecord);
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throw;
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}
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g_fpMsiViewClose(hVView);
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g_fpMsiCloseHandle(hVView);
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g_fpMsiCloseHandle(hVRecord);
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//----------------------------------------------------
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if(bActionID) bMatch = true;
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if((atAction != ACTIONTYPE_GET) || bMatch){
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hr = pHandler->Indicate(1, &m_pObj);
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}
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}
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else
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{
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if ( dynBuffer && dynBuffer [ 0 ] != 0 )
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{
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dynBuffer [ 0 ] = 0;
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}
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}
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m_pObj->Release();
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m_pObj = NULL;
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g_fpMsiCloseHandle(hRecord);
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uiStatus = g_fpMsiViewFetch(hView, &hRecord);
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}
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}
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}
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catch(...)
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{
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if ( dynBuffer )
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{
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delete [] dynBuffer;
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dynBuffer = NULL;
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}
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if ( dynBufExtension )
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{
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delete [] dynBufExtension;
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dynBufExtension = NULL;
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}
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g_fpMsiCloseHandle(hRecord);
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g_fpMsiViewClose(hView);
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g_fpMsiCloseHandle(hView);
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msidata.CloseDatabase ();
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if(m_pObj)
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{
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m_pObj->Release();
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m_pObj = NULL;
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}
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throw;
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}
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g_fpMsiCloseHandle(hRecord);
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g_fpMsiViewClose(hView);
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g_fpMsiCloseHandle(hView);
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msidata.CloseDatabase ();
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}
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}
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if ( dynBuffer )
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{
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delete [] dynBuffer;
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dynBuffer = NULL;
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}
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if ( dynBufExtension )
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{
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delete [] dynBufExtension;
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dynBufExtension = NULL;
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}
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return hr;
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}
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