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1348 lines
41 KiB
1348 lines
41 KiB
// --------------------------------------------------------------------------
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// Module Name: ThemeManagerAPIRequest.cpp
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//
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// Copyright (c) 2000, Microsoft Corporation
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//
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// This file contains a class that implements the work for the theme server.
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//
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// History: 2000-10-10 vtan created
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// 2000-11-29 vtan moved to separate file
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// --------------------------------------------------------------------------
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#include "StandardHeader.h"
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#include "ThemeManagerAPIRequest.h"
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#include <LPCThemes.h>
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#include <uxthemep.h>
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#include <UxThemeServer.h>
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#include "RegistryResources.h"
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#include "SingleThreadedExecution.h"
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#include "StatusCode.h"
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#include "TokenInformation.h"
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::s_pSessionData
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//
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// Purpose: Static member variables.
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//
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// History: 2000-11-09 vtan created
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// --------------------------------------------------------------------------
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CDynamicCountedObjectArray* CThemeManagerAPIRequest::s_pSessionData = NULL;
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CCriticalSection* CThemeManagerAPIRequest::s_pLock = NULL;
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DWORD CThemeManagerAPIRequest::s_dwServerChangeNumber = 0;
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const TCHAR CThemeManagerAPIRequest::s_szServerChangeNumberValue[] = TEXT("ServerChangeNumber");
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::CThemeManagerAPIRequest
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//
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// Arguments: pAPIDispatcher = CAPIDispatcher that calls this object.
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// pAPIConnection = CAPIConnection for access change.
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//
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// Returns: <none>
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//
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// Purpose: Constructor for the CThemeManagerAPIRequest class. It just passes the
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// control to the super class.
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//
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// History: 2000-10-10 vtan created
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// --------------------------------------------------------------------------
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CThemeManagerAPIRequest::CThemeManagerAPIRequest (CAPIDispatcher* pAPIDispatcher) :
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CAPIRequest(pAPIDispatcher),
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_hToken(NULL),
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_pSessionData(NULL)
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{
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}
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::CThemeManagerAPIRequest
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//
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// Arguments: pAPIDispatcher = CAPIDispatcher that calls this object.
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// pAPIConnection = CAPIConnection for access change.
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// portMessage = CPortMessage to copy construct.
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//
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// Returns: <none>
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//
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// Purpose: Constructor for the CThemeManagerAPIRequest class. It just
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// passes the control to the super class.
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//
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// History: 2000-10-10 vtan created
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// --------------------------------------------------------------------------
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CThemeManagerAPIRequest::CThemeManagerAPIRequest (CAPIDispatcher* pAPIDispatcher, const CPortMessage& portMessage) :
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CAPIRequest(pAPIDispatcher, portMessage),
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_hToken(NULL),
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_pSessionData(NULL)
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{
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}
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::~CThemeManagerAPIRequest
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//
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// Arguments: <none>
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//
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// Returns: <none>
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//
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// Purpose: Destructor for the CThemeManagerAPIRequest class.
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//
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// History: 2000-10-10 vtan created
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// --------------------------------------------------------------------------
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CThemeManagerAPIRequest::~CThemeManagerAPIRequest (void)
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{
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ASSERTMSG(_hToken == NULL, "Impersonation token not released in CThemeManagerAPIRequest::~CThemeManagerAPIRequest");
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}
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::Execute
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Execute implementation for theme manager API requests. This
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// function dispatches requests based on the API request number.
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//
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// History: 2000-10-10 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CThemeManagerAPIRequest::Execute (void)
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{
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NTSTATUS status;
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unsigned long ulAPINumber;
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ulAPINumber = reinterpret_cast<API_THEMES*>(&_data)->apiGeneric.ulAPINumber & API_GENERIC_NUMBER_MASK;
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// First try and get the client session data. If this fails then
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// there's no object to execute the request on. Fail it.
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// Exception to this is API_THEMES_SESSIONCREATE which creates one.
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// Note: GetClientSessionData will store the session data in the
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// _pSessionData member variable. While doing so it will increase
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// reference count on this so that it doesn't get pulled from the
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// array while the API request is being executed. The reference is
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// released at the end of this function.
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status = GetClientSessionData();
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if (NT_SUCCESS(status) || (ulAPINumber == API_THEMES_SESSIONCREATE))
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{
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switch (ulAPINumber)
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{
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case API_THEMES_THEMEHOOKSON:
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status = Execute_ThemeHooksOn();
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break;
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case API_THEMES_THEMEHOOKSOFF:
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status = Execute_ThemeHooksOff();
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break;
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case API_THEMES_GETSTATUSFLAGS:
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status = Execute_GetStatusFlags();
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break;
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case API_THEMES_GETCURRENTCHANGENUMBER:
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status = Execute_GetCurrentChangeNumber();
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break;
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case API_THEMES_GETNEWCHANGENUMBER:
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status = Execute_GetNewChangeNumber();
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break;
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case API_THEMES_SETGLOBALTHEME:
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status = Execute_SetGlobalTheme();
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break;
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case API_THEMES_MARKSECTION:
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status = Execute_MarkSection();
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break;
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case API_THEMES_GETGLOBALTHEME:
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status = Execute_GetGlobalTheme();
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break;
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case API_THEMES_CHECKTHEMESIGNATURE:
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status = Execute_CheckThemeSignature();
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break;
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case API_THEMES_LOADTHEME:
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status = Execute_LoadTheme();
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break;
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case API_THEMES_USERLOGON:
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status = Execute_UserLogon();
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break;
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case API_THEMES_USERLOGOFF:
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status = Execute_UserLogoff();
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break;
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case API_THEMES_SESSIONCREATE:
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status = Execute_SessionCreate();
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break;
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case API_THEMES_SESSIONDESTROY:
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status = Execute_SessionDestroy();
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break;
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case API_THEMES_PING:
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status = Execute_Ping();
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break;
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default:
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DISPLAYMSG("Unknown API request in CThemeManagerAPIRequest::Execute");
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status = STATUS_NOT_IMPLEMENTED;
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break;
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}
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}
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// If the execution function needed to impersonate the client then
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// revert here and release the token used.
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if (_hToken != NULL)
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{
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TBOOL(RevertToSelf());
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ReleaseHandle(_hToken);
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}
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// Release the _pSessionData object now. NULL it out to prevent
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// accidentally using it after being released.
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if (_pSessionData != NULL)
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{
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_pSessionData->Release();
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_pSessionData = NULL;
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}
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// Return to caller.
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TSTATUS(status);
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return(status);
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}
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::SessionDestroy
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//
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// Arguments: dwSessionID = Session ID to destroy.
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//
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// Returns: NTSTATUS
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//
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// Purpose: External entry point for session client (winlogon) watcher.
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// When winlogon dies we clean up the session information for
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// that session and release resources.
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//
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// History: 2000-12-09 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CThemeManagerAPIRequest::SessionDestroy (DWORD dwSessionID)
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{
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NTSTATUS status;
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int iIndex;
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CSingleThreadedExecution lock(*s_pLock);
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iIndex = FindIndexSessionData(dwSessionID);
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if (iIndex >= 0)
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{
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status = s_pSessionData->Remove(iIndex);
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}
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else
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{
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status = STATUS_SUCCESS;
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}
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return(status);
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}
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::InitializeServerChangeNumber
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Initializes the static server change number. Every time the
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// service starts up this number is incremented. If the number
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// isn't present then 0 is used.
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//
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// History: 2000-12-09 vtan created
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// 2000-12-09 vtan split from StaticInitialize
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// --------------------------------------------------------------------------
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NTSTATUS CThemeManagerAPIRequest::InitializeServerChangeNumber (void)
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{
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LONG lErrorCodeOpen, lErrorCodeRead;
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DWORD dwServerChangeNumber;
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CRegKey regKey;
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dwServerChangeNumber = s_dwServerChangeNumber;
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// Initialize the static member variable now in case of failure.
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// We ignore failures because at GUI setup the key does NOT exist
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// because the server dll hasn't been regsvr'd yet. After GUI setup
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// this gets regsvr'd and the key exists and we are happy campers.
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lErrorCodeOpen = regKey.Open(HKEY_LOCAL_MACHINE,
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TEXT("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\ThemeManager"),
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KEY_QUERY_VALUE | KEY_SET_VALUE);
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if (ERROR_SUCCESS == lErrorCodeOpen)
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{
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lErrorCodeRead = regKey.GetDWORD(s_szServerChangeNumberValue, dwServerChangeNumber);
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}
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else
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{
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lErrorCodeRead = ERROR_FILE_NOT_FOUND;
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}
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dwServerChangeNumber = static_cast<WORD>(dwServerChangeNumber + 1);
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if ((ERROR_SUCCESS == lErrorCodeOpen) && (ERROR_SUCCESS == lErrorCodeRead))
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{
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TW32(regKey.SetDWORD(s_szServerChangeNumberValue, dwServerChangeNumber));
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}
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s_dwServerChangeNumber = dwServerChangeNumber;
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return(STATUS_SUCCESS);
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}
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::StaticInitialize
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Static initializer for the class.
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//
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// History: 2000-10-10 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CThemeManagerAPIRequest::StaticInitialize (void)
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{
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NTSTATUS status;
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status = STATUS_SUCCESS;
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if (s_pLock == NULL)
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{
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s_pLock = new CCriticalSection;
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if (s_pLock != NULL)
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{
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status = s_pLock->Status();
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if (!NT_SUCCESS(status))
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{
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delete s_pLock;
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s_pLock = NULL;
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}
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}
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else
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{
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status = STATUS_NO_MEMORY;
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}
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}
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return(status);
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}
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::StaticTerminate
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Static destructor for the class.
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//
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// History: 2000-10-10 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CThemeManagerAPIRequest::StaticTerminate (void)
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{
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if (s_pLock != NULL)
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{
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delete s_pLock;
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s_pLock = NULL;
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}
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return(STATUS_SUCCESS);
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}
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::ArrayInitialize
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Initializes (allocates) the session array.
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//
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// History: 2001-01-05 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CThemeManagerAPIRequest::ArrayInitialize (void)
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{
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NTSTATUS status;
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CSingleThreadedExecution lock(*s_pLock);
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status = STATUS_SUCCESS;
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if (s_pSessionData == NULL)
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{
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s_pSessionData = new CDynamicCountedObjectArray;
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if (s_pSessionData == NULL)
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{
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status = STATUS_NO_MEMORY;
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}
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}
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return(status);
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}
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::ArrayTerminate
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Releases all objects in the session array (removes the waits)
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// and releases the session array object.
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//
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// History: 2001-01-05 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CThemeManagerAPIRequest::ArrayTerminate (void)
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{
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CSingleThreadedExecution lock(*s_pLock);
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if (s_pSessionData != NULL)
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{
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int i, iLimit;
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iLimit = s_pSessionData->GetCount();
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for (i = iLimit - 1; i >= 0; --i)
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{
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TSTATUS(static_cast<CThemeManagerSessionData*>(s_pSessionData->Get(i))->Cleanup());
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TSTATUS(s_pSessionData->Remove(i));
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}
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delete s_pSessionData;
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s_pSessionData = NULL;
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}
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return(STATUS_SUCCESS);
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}
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::ImpersonateClientIfRequired
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Impersonates the client if the client is NOT the SYSTEM.
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// There's usually no point impersonating the system unless the
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// token is actually a filtered token.
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//
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// History: 2000-10-19 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CThemeManagerAPIRequest::ImpersonateClientIfRequired (void)
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{
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NTSTATUS status;
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status = OpenClientToken(_hToken);
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if (NT_SUCCESS(status))
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{
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CTokenInformation tokenInformation(_hToken);
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if (tokenInformation.IsUserTheSystem())
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{
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ReleaseHandle(_hToken);
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status = STATUS_SUCCESS;
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}
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else if (ImpersonateLoggedOnUser(_hToken) != FALSE)
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{
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status = STATUS_SUCCESS;
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}
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else
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{
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status = CStatusCode::StatusCodeOfLastError();
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}
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}
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return(status);
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}
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::ClientHasTcbPrivilege
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Returns whether the client has the SE_TCB_PRIVILEGE as a
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// status code.
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//
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// History: 2000-11-09 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CThemeManagerAPIRequest::ClientHasTcbPrivilege (void)
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{
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NTSTATUS status;
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HANDLE hTokenClient;
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if (OpenProcessToken(_pAPIDispatcher->GetClientProcess(),
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TOKEN_QUERY,
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&hTokenClient) != FALSE)
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{
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CTokenInformation tokenInformation(hTokenClient);
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if (tokenInformation.UserHasPrivilege(SE_TCB_PRIVILEGE))
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{
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status = STATUS_SUCCESS;
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}
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else
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{
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status = STATUS_ACCESS_DENIED;
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}
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TBOOL(CloseHandle(hTokenClient));
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}
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else
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{
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status = CStatusCode::StatusCodeOfLastError();
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}
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return(status);
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}
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// --------------------------------------------------------------------------
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// CThemeManagerAPIRequest::FindIndexSessionData
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//
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// Arguments: dwSessionID = Session ID to find.
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//
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// Returns: int
|
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//
|
|
// Purpose: Iterates the session data array looking for the sessions that
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// matches the given session.
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//
|
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// History: 2000-11-30 vtan created
|
|
// --------------------------------------------------------------------------
|
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|
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int CThemeManagerAPIRequest::FindIndexSessionData (DWORD dwSessionID)
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{
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int iIndex;
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iIndex = -1;
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if ((s_pLock != NULL) && (s_pSessionData != NULL))
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{
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int i, iLimit;
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ASSERTMSG(s_pLock->IsOwned(), "s_pLock must be acquired in CThemeManagerAPIRequest::FindIndexSessionData");
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iLimit = s_pSessionData->GetCount();
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for (i = 0; (iIndex < 0) && (i < iLimit); ++i)
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{
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CThemeManagerSessionData *pSessionData;
|
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pSessionData = static_cast<CThemeManagerSessionData*>(s_pSessionData->Get(i));
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if ((pSessionData != NULL) && (pSessionData->EqualSessionID(dwSessionID)))
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{
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iIndex = i;
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}
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}
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}
|
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return(iIndex);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::GetClientSessionData
|
|
//
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|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Retrieves the session data associated with the client's
|
|
// session ID. This abstracts the information from uxtheme's
|
|
// loader code and just passes it an object it knows how to deal
|
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// with.
|
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//
|
|
// History: 2000-11-09 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::GetClientSessionData (void)
|
|
|
|
{
|
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NTSTATUS status;
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int iIndex;
|
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CSingleThreadedExecution lock(*s_pLock);
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|
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status = STATUS_UNSUCCESSFUL;
|
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iIndex = FindIndexSessionData(_pAPIDispatcher->GetClientSessionID());
|
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if (iIndex >= 0)
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{
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_pSessionData = static_cast<CThemeManagerSessionData*>(s_pSessionData->Get(iIndex));
|
|
if (_pSessionData != NULL)
|
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{
|
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_pSessionData->AddRef();
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status = STATUS_SUCCESS;
|
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}
|
|
}
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else
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{
|
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_pSessionData = NULL;
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}
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return(status);
|
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}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_ThemeHooksOn
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_THEMEHOOKSON.
|
|
//
|
|
// History: 2000-10-10 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_ThemeHooksOn (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = ImpersonateClientIfRequired();
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
API_THEMES_THEMEHOOKSON_OUT *pAPIOut;
|
|
|
|
pAPIOut = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiThemeHooksOn.out;
|
|
pAPIOut->hr = ThemeHooksOn(_pSessionData->GetData());
|
|
}
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_ThemeHooksOff
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_THEMEHOOKSOFF.
|
|
//
|
|
// History: 2000-10-10 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_ThemeHooksOff (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = ImpersonateClientIfRequired();
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
API_THEMES_THEMEHOOKSOFF_OUT *pAPIOut;
|
|
|
|
pAPIOut = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiThemeHooksOff.out;
|
|
pAPIOut->hr = ThemeHooksOff(_pSessionData->GetData());
|
|
}
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_GetStatusFlags
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_GETSTATUSFLAGS.
|
|
//
|
|
// History: 2000-10-10 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_GetStatusFlags (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = ImpersonateClientIfRequired();
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
DWORD dwFlags;
|
|
API_THEMES_GETSTATUSFLAGS_OUT *pAPIOut;
|
|
|
|
pAPIOut = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiGetStatusFlags.out;
|
|
dwFlags = QTS_AVAILABLE;
|
|
if (AreThemeHooksActive(_pSessionData->GetData()))
|
|
{
|
|
dwFlags |= QTS_RUNNING;
|
|
}
|
|
pAPIOut->dwFlags = dwFlags;
|
|
}
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_GetCurrentChangeNumber
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_GETCURRENTCHANGENUMBER.
|
|
//
|
|
// History: 2000-10-10 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_GetCurrentChangeNumber (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = ImpersonateClientIfRequired();
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
API_THEMES_GETCURRENTCHANGENUMBER_OUT *pAPIOut;
|
|
|
|
pAPIOut = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiGetCurrentChangeNumber.out;
|
|
pAPIOut->iChangeNumber = GetCurrentChangeNumber(_pSessionData->GetData());
|
|
}
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_GetNewChangeNumber
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_GETNEWCHANGENUMBER.
|
|
//
|
|
// History: 2000-10-10 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_GetNewChangeNumber (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = ImpersonateClientIfRequired();
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
API_THEMES_GETNEWCHANGENUMBER_OUT *pAPIOut;
|
|
|
|
pAPIOut = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiGetNewChangeNumber.out;
|
|
pAPIOut->iChangeNumber = GetNewChangeNumber(_pSessionData->GetData());
|
|
}
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_SetGlobalTheme
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_SETGLOBALTHEME.
|
|
//
|
|
// History: 2000-10-10 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_SetGlobalTheme (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
// Note: we must not impersonate the user here, since we need write access to the section
|
|
|
|
HANDLE hSection;
|
|
API_THEMES_SETGLOBALTHEME_IN *pAPIIn;
|
|
API_THEMES_SETGLOBALTHEME_OUT *pAPIOut;
|
|
|
|
pAPIIn = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiSetGlobalTheme.in;
|
|
pAPIOut = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiSetGlobalTheme.out;
|
|
if (pAPIIn->hSection != NULL)
|
|
{
|
|
if (DuplicateHandle(_pAPIDispatcher->GetClientProcess(),
|
|
pAPIIn->hSection,
|
|
GetCurrentProcess(),
|
|
&hSection,
|
|
FILE_MAP_ALL_ACCESS,
|
|
FALSE,
|
|
0) != FALSE)
|
|
{
|
|
status = STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
status = CStatusCode::StatusCodeOfLastError();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hSection = NULL;
|
|
status = STATUS_SUCCESS;
|
|
}
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
pAPIOut->hr = SetGlobalTheme(_pSessionData->GetData(), hSection);
|
|
if (hSection != NULL)
|
|
{
|
|
TBOOL(CloseHandle(hSection));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pAPIOut->hr = HRESULT_FROM_NT(status);
|
|
}
|
|
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(STATUS_SUCCESS);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_MarkSection
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_MARKSECTION.
|
|
//
|
|
// History: 2001-05-08 lmouton created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_MarkSection (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
// Note: we must not impersonate the user here, since we need write access to the section
|
|
|
|
HANDLE hSection;
|
|
DWORD dwAdd;
|
|
DWORD dwRemove;
|
|
API_THEMES_MARKSECTION_IN *pAPIIn;
|
|
API_THEMES_MARKSECTION_OUT *pAPIOut;
|
|
|
|
pAPIIn = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiMarkSection.in;
|
|
pAPIOut = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiMarkSection.out;
|
|
dwAdd = pAPIIn->dwAdd;
|
|
dwRemove = pAPIIn->dwRemove;
|
|
|
|
if (pAPIIn->hSection != NULL)
|
|
{
|
|
if (DuplicateHandle(_pAPIDispatcher->GetClientProcess(),
|
|
pAPIIn->hSection,
|
|
GetCurrentProcess(),
|
|
&hSection,
|
|
FILE_MAP_ALL_ACCESS,
|
|
FALSE,
|
|
0) != FALSE)
|
|
{
|
|
status = STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
status = CStatusCode::StatusCodeOfLastError();
|
|
DISPLAYMSG("Execute_MarkSection: Can't get a write handle");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hSection = NULL;
|
|
status = STATUS_SUCCESS;
|
|
}
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
if (hSection != NULL)
|
|
{
|
|
MarkSection(hSection, dwAdd, dwRemove);
|
|
TBOOL(CloseHandle(hSection));
|
|
}
|
|
}
|
|
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(STATUS_SUCCESS);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_GetGlobalTheme
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_GETGLOBALTHEME.
|
|
//
|
|
// History: 2000-10-10 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_GetGlobalTheme (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = ImpersonateClientIfRequired();
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
HRESULT hr;
|
|
HANDLE hSection;
|
|
API_THEMES_GETGLOBALTHEME_OUT *pAPIOut;
|
|
|
|
pAPIOut = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiGetGlobalTheme.out;
|
|
hr = GetGlobalTheme(_pSessionData->GetData(), &hSection);
|
|
if (SUCCEEDED(hr) && (hSection != NULL))
|
|
{
|
|
if (DuplicateHandle(GetCurrentProcess(),
|
|
hSection,
|
|
_pAPIDispatcher->GetClientProcess(),
|
|
&pAPIOut->hSection,
|
|
FILE_MAP_READ,
|
|
FALSE,
|
|
0) != FALSE)
|
|
{
|
|
hr = S_OK;
|
|
}
|
|
else
|
|
{
|
|
DWORD dwErrorCode;
|
|
|
|
dwErrorCode = GetLastError();
|
|
hr = HRESULT_FROM_WIN32(dwErrorCode);
|
|
}
|
|
TBOOL(CloseHandle(hSection));
|
|
}
|
|
pAPIOut->hr = hr;
|
|
}
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// LOADTHEME_STRINGS + supporting functions
|
|
//
|
|
// Purpose: Manages and validates LoadTheme string parameters
|
|
//
|
|
// History: 2002-02-26 scotthan created
|
|
// --------------------------------------------------------------------------
|
|
typedef struct
|
|
{
|
|
LPWSTR pszFilename;
|
|
LPWSTR pszColor;
|
|
LPWSTR pszSize;
|
|
|
|
} LOADTHEME_STRINGS;
|
|
|
|
#define MAX_THEME_STRING MAX_PATH
|
|
|
|
// --------------------------------------------------------------------------
|
|
void _FreeThemeStrings( IN LOADTHEME_STRINGS* plts )
|
|
{
|
|
if( plts )
|
|
{
|
|
_FreeMappedClientString(plts->pszFilename);
|
|
_FreeMappedClientString(plts->pszColor);
|
|
_FreeMappedClientString(plts->pszSize);
|
|
delete plts;
|
|
}
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
NTSTATUS _AllocAndMapThemeStrings(
|
|
IN HANDLE hProcessClient,
|
|
IN LPCWSTR pszFilenameIn,
|
|
IN UINT cchFilenameIn,
|
|
IN LPCWSTR pszColorIn,
|
|
IN UINT cchColorIn,
|
|
IN LPCWSTR pszSizeIn,
|
|
IN UINT cchSizeIn,
|
|
OUT LOADTHEME_STRINGS** pplts )
|
|
{
|
|
NTSTATUS status;
|
|
|
|
ASSERTMSG(pplts != NULL, "_AllocAndMapThemeStrings: NULL outbound parameter, LOADTHEME_STRINGS**.");
|
|
ASSERTMSG(hProcessClient != NULL, "_AllocAndMapThemeStrings: NULL process handle.");
|
|
|
|
// note: cchFileNameIn, cchColorIn, cchSizeIn are char counts that include the NULL terminus.
|
|
if( pszFilenameIn && pszColorIn && pszSizeIn &&
|
|
cchFilenameIn > 0 && cchColorIn > 0 && cchSizeIn > 0 &&
|
|
cchFilenameIn <= MAX_THEME_STRING && cchColorIn <= MAX_THEME_STRING && cchSizeIn <= MAX_THEME_STRING )
|
|
{
|
|
*pplts = NULL;
|
|
|
|
LOADTHEME_STRINGS *plts = new LOADTHEME_STRINGS;
|
|
|
|
if( plts != NULL )
|
|
{
|
|
ZeroMemory(plts, sizeof(*plts));
|
|
|
|
status = _AllocAndMapClientString(hProcessClient, pszFilenameIn, cchFilenameIn, MAX_THEME_STRING, &plts->pszFilename);
|
|
if( NT_SUCCESS(status) )
|
|
{
|
|
status = _AllocAndMapClientString(hProcessClient, pszColorIn, cchColorIn, MAX_THEME_STRING, &plts->pszColor);
|
|
if( NT_SUCCESS(status) )
|
|
{
|
|
status = _AllocAndMapClientString(hProcessClient, pszSizeIn, cchSizeIn, MAX_THEME_STRING, &plts->pszSize);
|
|
if( NT_SUCCESS(status) )
|
|
{
|
|
*pplts = plts;
|
|
}
|
|
}
|
|
}
|
|
|
|
if( !NT_SUCCESS(status) )
|
|
{
|
|
_FreeThemeStrings(plts);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
status = STATUS_NO_MEMORY;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
status = STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_CheckThemeSignature
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_CHECKTHEMESIGNATURE.
|
|
//
|
|
// History: 2000-10-10 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_CheckThemeSignature (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = ImpersonateClientIfRequired();
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
API_THEMES_CHECKTHEMESIGNATURE_IN *pAPIIn;
|
|
API_THEMES_CHECKTHEMESIGNATURE_OUT *pAPIOut;
|
|
LPWSTR pszThemeFileName;
|
|
|
|
pAPIIn = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiCheckThemeSignature.in;
|
|
pAPIOut = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiCheckThemeSignature.out;
|
|
|
|
status = _AllocAndMapClientString(_pAPIDispatcher->GetClientProcess(),
|
|
pAPIIn->pszName,
|
|
pAPIIn->cchName,
|
|
MAX_PATH,
|
|
&pszThemeFileName);
|
|
if( NT_SUCCESS(status) )
|
|
{
|
|
pAPIOut->hr = CheckThemeSignature(pszThemeFileName);
|
|
status = STATUS_SUCCESS;
|
|
|
|
_FreeMappedClientString(pszThemeFileName);
|
|
}
|
|
}
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_LoadTheme
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_LOADTHEME.
|
|
//
|
|
// History: 2000-10-10 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_LoadTheme (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = ImpersonateClientIfRequired();
|
|
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
HANDLE hProcessClient;
|
|
API_THEMES_LOADTHEME_IN *pAPIIn;
|
|
API_THEMES_LOADTHEME_OUT *pAPIOut;
|
|
LOADTHEME_STRINGS* plts;
|
|
|
|
hProcessClient = _pAPIDispatcher->GetClientProcess();
|
|
pAPIIn = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiLoadTheme.in;
|
|
pAPIOut = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiLoadTheme.out;
|
|
|
|
status = _AllocAndMapThemeStrings( hProcessClient, pAPIIn->pszName, pAPIIn->cchName,
|
|
pAPIIn->pszColor, pAPIIn->cchColor,
|
|
pAPIIn->pszSize, pAPIIn->cchSize,
|
|
&plts );
|
|
if( NT_SUCCESS(status) )
|
|
{
|
|
HANDLE hSectionIn, hSectionOut;
|
|
|
|
if (DuplicateHandle(hProcessClient,
|
|
pAPIIn->hSection,
|
|
GetCurrentProcess(),
|
|
&hSectionIn,
|
|
FILE_MAP_ALL_ACCESS,
|
|
FALSE,
|
|
0) != FALSE)
|
|
{
|
|
status = STATUS_SUCCESS;
|
|
|
|
// Warning: this function will revert to self in order to create the section in system context.
|
|
// Impersonate the user again after it if needed
|
|
pAPIOut->hr = LoadTheme(_pSessionData->GetData(), hSectionIn, &hSectionOut,
|
|
plts->pszFilename, plts->pszColor, plts->pszSize);
|
|
|
|
if (SUCCEEDED(pAPIOut->hr))
|
|
{
|
|
// Still running in the system context here
|
|
if (DuplicateHandle(GetCurrentProcess(),
|
|
hSectionOut,
|
|
hProcessClient,
|
|
&pAPIOut->hSection,
|
|
FILE_MAP_READ,
|
|
FALSE,
|
|
0) == FALSE)
|
|
{
|
|
status = CStatusCode::StatusCodeOfLastError();
|
|
}
|
|
TBOOL(CloseHandle(hSectionOut));
|
|
}
|
|
TBOOL(CloseHandle(hSectionIn));
|
|
}
|
|
else
|
|
{
|
|
status = CStatusCode::StatusCodeOfLastError();
|
|
}
|
|
|
|
_FreeThemeStrings(plts);
|
|
}
|
|
}
|
|
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_UserLogon
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_USERLOGON. To call this API you must have
|
|
// the SE_TCB_PRIVILEGE in your token.
|
|
//
|
|
// History: 2000-10-12 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_UserLogon (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = ClientHasTcbPrivilege();
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
HANDLE hToken;
|
|
API_THEMES_USERLOGON_IN *pAPIIn;
|
|
|
|
pAPIIn = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiUserLogon.in;
|
|
if (DuplicateHandle(_pAPIDispatcher->GetClientProcess(),
|
|
pAPIIn->hToken,
|
|
GetCurrentProcess(),
|
|
&hToken,
|
|
0,
|
|
FALSE,
|
|
DUPLICATE_SAME_ACCESS) != FALSE)
|
|
{
|
|
status = _pSessionData->UserLogon(hToken);
|
|
TBOOL(CloseHandle(hToken));
|
|
}
|
|
else
|
|
{
|
|
status = CStatusCode::StatusCodeOfLastError();
|
|
}
|
|
}
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_UserLogoff
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_USERLOGOFF. To call this API you must have
|
|
// the SE_TCB_PRIVILEGE in your token.
|
|
//
|
|
// History: 2000-10-12 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_UserLogoff (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = ClientHasTcbPrivilege();
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
status = _pSessionData->UserLogoff();
|
|
}
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_SessionCreate
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_SESSIONCREATE. To call this API you must
|
|
// have the SE_TCB_PRIVILEGE in your token.
|
|
//
|
|
// History: 2000-11-09 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_SessionCreate (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = ClientHasTcbPrivilege();
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
HANDLE hProcessClient;
|
|
CThemeManagerSessionData *pSessionData;
|
|
|
|
ASSERTMSG(_pSessionData == NULL, "Session data already exists in CThemeManagerAPIRequest::Execute_SessionCreate");
|
|
if (DuplicateHandle(GetCurrentProcess(),
|
|
_pAPIDispatcher->GetClientProcess(),
|
|
GetCurrentProcess(),
|
|
&hProcessClient,
|
|
PROCESS_CREATE_THREAD | PROCESS_VM_OPERATION | PROCESS_VM_READ | PROCESS_VM_WRITE | PROCESS_QUERY_INFORMATION | PROCESS_DUP_HANDLE,
|
|
FALSE,
|
|
0) != FALSE)
|
|
{
|
|
DWORD dwSessionID;
|
|
|
|
dwSessionID = _pAPIDispatcher->GetClientSessionID();
|
|
pSessionData = new CThemeManagerSessionData(dwSessionID);
|
|
if (pSessionData != NULL)
|
|
{
|
|
API_THEMES_SESSIONCREATE_IN *pAPIIn;
|
|
|
|
pAPIIn = &reinterpret_cast<API_THEMES*>(&_data)->apiSpecific.apiSessionCreate.in;
|
|
status = pSessionData->Allocate(hProcessClient,
|
|
s_dwServerChangeNumber,
|
|
pAPIIn->pfnRegister,
|
|
pAPIIn->pfnUnregister,
|
|
pAPIIn->pfnClearStockObjects,
|
|
pAPIIn->dwStackSizeReserve,
|
|
pAPIIn->dwStackSizeCommit);
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
int iIndex;
|
|
CSingleThreadedExecution lock(*s_pLock);
|
|
|
|
// Find the session data in the static array. If found
|
|
// then remove the entry (don't allow duplicates).
|
|
|
|
iIndex = FindIndexSessionData(dwSessionID);
|
|
if (iIndex >= 0)
|
|
{
|
|
status = s_pSessionData->Remove(iIndex);
|
|
}
|
|
|
|
// If the static array has been destroyed (the service has been
|
|
// stopped) then don't do anything - this is not an error.
|
|
|
|
if (NT_SUCCESS(status) && (s_pSessionData != NULL))
|
|
{
|
|
status = s_pSessionData->Add(pSessionData);
|
|
}
|
|
}
|
|
pSessionData->Release();
|
|
}
|
|
else
|
|
{
|
|
status = STATUS_NO_MEMORY;
|
|
}
|
|
TBOOL(CloseHandle(hProcessClient));
|
|
}
|
|
else
|
|
{
|
|
status = CStatusCode::StatusCodeOfLastError();
|
|
}
|
|
}
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_SessionDestroy
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_SESSIONDESTROY. To call this API you must
|
|
// have the SE_TCB_PRIVILEGE in your token.
|
|
//
|
|
// History: 2000-11-09 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_SessionDestroy (void)
|
|
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = ClientHasTcbPrivilege();
|
|
if (NT_SUCCESS(status))
|
|
{
|
|
int iIndex;
|
|
CSingleThreadedExecution lock(*s_pLock);
|
|
|
|
iIndex = FindIndexSessionData(_pAPIDispatcher->GetClientSessionID());
|
|
if (iIndex >= 0)
|
|
{
|
|
status = s_pSessionData->Remove(iIndex);
|
|
}
|
|
else
|
|
{
|
|
status = STATUS_SUCCESS;
|
|
}
|
|
}
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(status);
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// CThemeManagerAPIRequest::Execute_Ping
|
|
//
|
|
// Arguments: <none>
|
|
//
|
|
// Returns: NTSTATUS
|
|
//
|
|
// Purpose: Handles API_THEMES_PING. Tell the client we're alive.
|
|
//
|
|
// History: 2000-11-30 vtan created
|
|
// --------------------------------------------------------------------------
|
|
|
|
NTSTATUS CThemeManagerAPIRequest::Execute_Ping (void)
|
|
|
|
{
|
|
SetDataLength(sizeof(API_THEMES));
|
|
return(STATUS_SUCCESS);
|
|
}
|
|
|