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1427 lines
39 KiB
1427 lines
39 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1997-2001.
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//
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// File: E V E N T . C P P
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//
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// Contents: Interface between external events that effect connections.
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//
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// Notes:
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//
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// Author: shaunco 21 Aug 1998
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//
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//----------------------------------------------------------------------------
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#include "pch.h"
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#pragma hdrstop
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#include <winsock2.h>
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#include <mswsock.h>
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#include <iphlpapi.h>
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#include "nmbase.h"
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#include "ncnetcon.h"
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#include "conman.h"
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#include <cmdefs.h>
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#include "cmutil.h"
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#include "eventq.h"
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#include <userenv.h>
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#include <userenvp.h>
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#include "ncperms.h"
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#include <ras.h>
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#include <raserror.h>
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#include <ncstl.h>
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#include <ncstlstr.h>
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#include <stlalgor.h>
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#include <enuml.h>
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#include <lancmn.h>
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#include <ncreg.h>
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#include "dialup.h"
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#include "gpnla.h"
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#include "cobase.h"
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#include "inbound.h"
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#include <mprapi.h>
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#include <rasapip.h>
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#include "ncras.h"
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#include "wzcsvc.h"
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// This LONG is incremented every time we get a notification that
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// a RAS phonebook entry has been modified. It is reset to zero
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// when the service is started. Wrap-around does not matter. It's
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// purpose is to let a RAS connection object know if it's cache should
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// be re-populated with current information.
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//
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LONG g_lRasEntryModifiedVersionEra;
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LONG g_cInRefreshAll;
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const LONG MAX_IN_REFRESH_ALL = 5;
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CEventQueue* g_pEventQueue = NULL;
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BOOL g_fDispatchEvents = FALSE;
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HANDLE g_hEventWait = NULL;
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HANDLE g_hEventThread = NULL;
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HANDLE g_hQuery = NULL;
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BOOL g_fHandleIncomingEvents = FALSE;
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CGroupPolicyNetworkLocationAwareness* g_pGPNLA = NULL;
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//+---------------------------------------------------------------------------
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//
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// Function: FreeConmanEvent
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//
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// Purpose: Free the memory associated with a CONMAN_EVENT structure.
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//
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// Arguments:
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// pEvent [in] The structure to free.
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//
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// Returns: nothing
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//
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// Author: shaunco 21 Aug 1998
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//
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// Notes:
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//
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inline
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VOID
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FreeConmanEvent (
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CONMAN_EVENT* pEvent)
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{
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if (pEvent)
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{
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if (((CONNECTION_ADDED == pEvent->Type) ||
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(CONNECTION_MODIFIED == pEvent->Type)))
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{
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HrFreeNetConProperties2(pEvent->pPropsEx);
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}
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if (CONNECTION_BALLOON_POPUP == pEvent->Type)
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{
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SysFreeString(pEvent->szCookie);
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SysFreeString(pEvent->szBalloonText);
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}
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MemFree(pEvent);
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}
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}
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//+---------------------------------------------------------------------------
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//
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// Function: RasEventWorkItem
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//
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// Purpose: The LPTHREAD_START_ROUTINE passed to QueueUserWorkItem to
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// handle the work of notifying connection manager clients
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// of the event.
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//
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// Arguments:
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// pvContext [in] A pointer to a CONMAN_EVENT structure.
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//
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// Returns: NOERROR
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//
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// Author: sjkhan 21 Mar 2001
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//
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// Notes: This function calls Ras on a different thread than where the
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// event came from so as not to cause a deadlock in Ras.
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// This call owns pvContext and frees it.
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//
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DWORD
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WINAPI
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RasEventWorkItem (
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PVOID pvContext
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)
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{
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BOOL fNotify;
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CONMAN_EVENT* pEvent = (CONMAN_EVENT*)pvContext;
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Assert (pEvent);
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if (SERVICE_RUNNING == _Module.DwServiceStatus ())
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{
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fNotify = TRUE;
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if (fNotify)
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{
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HRESULT hr = S_OK;
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RASENUMENTRYDETAILS Details;
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if (CONNECTION_ADDED == pEvent->Type || CONNECTION_MODIFIED == pEvent->Type)
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{
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// Clear out the details passed in from RAS and query RAS for the latest info.
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Details = pEvent->Details;
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ZeroMemory(&pEvent->Details, sizeof(RASENUMENTRYDETAILS));
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if (CONNECTION_ADDED == pEvent->Type)
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{
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hr = HrGetRasConnectionProperties(&Details, &(pEvent->pPropsEx));
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}
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else if (CONNECTION_MODIFIED == pEvent->Type)
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{
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hr = HrGetRasConnectionProperties(&Details, &(pEvent->pPropsEx));
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TraceTag(ttidEvents, "Is Default Connection: %s", (NCCF_DEFAULT == (pEvent->pPropsEx->dwCharacter & NCCF_DEFAULT)) ? "Yes" : "No");
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TraceTag(ttidEvents, "Should be Default Connection: %s", (Details.dwFlagsPriv & REED_F_Default) ? "Yes" : "No");
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}
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}
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if (SUCCEEDED(hr))
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{
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CConnectionManager::NotifyClientsOfEvent (pEvent);
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}
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}
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}
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FreeConmanEvent(pEvent);
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return NOERROR;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: LanEventWorkItem
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//
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// Purpose: The LPTHREAD_START_ROUTINE passed to QueueUserWorkItem to
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// handle the work of notifying connection manager clients
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// of the event.
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//
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// Arguments:
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// pvContext [in] A pointer to a CONMAN_EVENT structure.
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//
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// Returns: NOERROR
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//
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// Author: deonb 15 May 2001
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//
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// Notes: This function retreives a more up to do status from the NIC
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// and sends it to netshell
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//
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DWORD
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WINAPI
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LanEventWorkItem (
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PVOID pvContext
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)
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{
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BOOL fNotify;
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CONMAN_EVENT* pEvent = (CONMAN_EVENT*)pvContext;
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Assert (pEvent);
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Assert(CONMAN_LAN== pEvent->ConnectionManager);
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HRESULT hr = S_OK;
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RASENUMENTRYDETAILS Details;
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TraceTag(ttidEvents, "Refreshing connection status");
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GUID gdLanGuid = GUID_NULL;
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if ((CONNECTION_ADDED == pEvent->Type) || (CONNECTION_MODIFIED == pEvent->Type))
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{
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gdLanGuid = pEvent->pPropsEx->guidId;
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}
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if ((CONNECTION_STATUS_CHANGE == pEvent->Type) || (CONNECTION_ADDRESS_CHANGE == pEvent->Type) || (CONNECTION_DELETED == pEvent->Type))
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{
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gdLanGuid = pEvent->guidId;
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}
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Assert(GUID_NULL != gdLanGuid);
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if (GUID_NULL == gdLanGuid)
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{
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return E_INVALIDARG;
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}
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#ifdef DBG
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NETCON_STATUS ncsPrior;
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#endif
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NETCON_STATUS ncs;
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hr = HrGetPnpDeviceStatus(&gdLanGuid, &ncs);
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if (SUCCEEDED(hr))
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{
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// Get additional Status information from 802.1X
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//
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if ((NCS_CONNECTED == ncs)
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|| (NCS_INVALID_ADDRESS == ncs)
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|| (NCS_MEDIA_DISCONNECTED == ncs))
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{
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NETCON_STATUS ncsWZC = ncs;
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HRESULT hrT = WZCQueryGUIDNCSState(&gdLanGuid, &ncsWZC);
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if (S_OK == hrT)
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{
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ncs = ncsWZC;
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}
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TraceHr(ttidError, FAL, hrT, (S_FALSE == hrT), "LanEventWorkItem error in WZCQueryGUIDNCSState");
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}
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if ( (CONNECTION_ADDED == pEvent->Type) || (CONNECTION_MODIFIED == pEvent->Type))
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{
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#ifdef DBG
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ncsPrior = pEvent->pPropsEx->ncStatus;
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#endif
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pEvent->pPropsEx->ncStatus = ncs;
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}
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if (CONNECTION_STATUS_CHANGE == pEvent->Type)
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{
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#ifdef DBG
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ncsPrior = pEvent->Status;
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#endif
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if ( (NCS_HARDWARE_NOT_PRESENT == ncs) ||
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(NCS_HARDWARE_MALFUNCTION == ncs) )
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{
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pEvent->Type = CONNECTION_DELETED;
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TraceTag(ttidEvents, "LanEventWorkItem changed EventType to CONNECTION_DELETED");
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}
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else
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{
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pEvent->Status = ncs;
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}
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}
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}
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#ifdef DBG
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if (ncsPrior != ncs)
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{
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TraceTag(ttidEvents, "LanEventWorkItem overruled status: %s to %s", DbgNcs(ncsPrior), DbgNcs(ncs));
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}
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#endif
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CConnectionManager::NotifyClientsOfEvent (pEvent);
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FreeConmanEvent(pEvent);
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TraceHr(ttidError, FAL, hr, FALSE, "LanEventWorkItem");
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: IncomingEventWorkItem
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//
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// Purpose: The LPTHREAD_START_ROUTINE passed to QueueUserWorkItem to
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// handle the work of notifying connection manager clients
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// of the event.
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//
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// Arguments:
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// pvContext [in] A pointer to a CONMAN_EVENT structure.
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//
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// Returns: NOERROR
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//
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// Author: sjkhan 21 Mar 2001
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//
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// Notes: This function calls Ras on a different thread than where the
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// event came from so as not to cause a deadlock in Ras.
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// This call owns pvContext and frees it.
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//
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DWORD
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WINAPI
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IncomingEventWorkItem (
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PVOID pvContext
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)
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{
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BOOL fNotify;
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CONMAN_EVENT* pEvent = (CONMAN_EVENT*)pvContext;
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Assert (pEvent);
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if (SERVICE_RUNNING == _Module.DwServiceStatus ())
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{
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fNotify = TRUE;
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if (fNotify)
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{
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HRESULT hr = S_OK;
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if (CONNECTION_ADDED == pEvent->Type)
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{
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GUID guidId;
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guidId = pEvent->guidId; // We need to store this because CONMAN_EVENT is a union and pProps occupies the same space as guidId.
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pEvent->guidId = GUID_NULL; // We don't need this anymore so it's a good idea to clean it up, as pEvent is a union.
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hr = HrGetIncomingConnectionPropertiesEx(pEvent->hConnection, &guidId, pEvent->dwConnectionType, &pEvent->pPropsEx);
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}
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if (SUCCEEDED(hr))
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{
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CConnectionManager::NotifyClientsOfEvent (pEvent);
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}
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}
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}
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FreeConmanEvent(pEvent);
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return NOERROR;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: ConmanEventWorkItem
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//
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// Purpose: The LPTHREAD_START_ROUTINE passed to QueueUserWorkItem to
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// handle the work of notifying connection manager clients
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// of the event.
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//
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// Arguments:
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// pvContext [in] A pointer to a CONMAN_EVENT structure.
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//
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// Returns: NOERROR
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//
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// Author: shaunco 21 Aug 1998
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//
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// Notes: Ownership of the CONMAN_EVENT structure is given to this
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// function. i.e. the structure is freed here.
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//
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DWORD
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WINAPI
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ConmanEventWorkItem (
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PVOID pvContext
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)
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{
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BOOL fIsRefreshAll;
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BOOL fNotify;
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CONMAN_EVENT* pEvent = (CONMAN_EVENT*)pvContext;
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Assert (pEvent);
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if (SERVICE_RUNNING == _Module.DwServiceStatus ())
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{
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fIsRefreshAll = (REFRESH_ALL == pEvent->Type);
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fNotify = TRUE;
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if (fIsRefreshAll)
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{
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// We'll deliver this refresh-all notification only if another
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// thread is not already delivering one.
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//
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fNotify = (InterlockedIncrement (&g_cInRefreshAll) < MAX_IN_REFRESH_ALL);
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}
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if (fNotify)
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{
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CConnectionManager::NotifyClientsOfEvent (pEvent);
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}
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// Reset our global flag if we were the single thread allowed to
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// deliver a refresh-all notification.
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//
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if (fIsRefreshAll)
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{
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if (InterlockedDecrement (&g_cInRefreshAll) < 0)
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{
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AssertSz (FALSE, "Mismatched Interlocked Increment/Decrement?");
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g_cInRefreshAll = 0;
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}
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}
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}
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FreeConmanEvent (pEvent);
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return NOERROR;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: LanEventNotify
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//
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// Purpose: To be called when a LAN adapter is added or removed.
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//
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// Arguments:
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// (none)
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//
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// Returns: nothing
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//
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// Author: shaunco 2 Sep 1998
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//
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// Notes: The easy thing is done a full refresh is queued for the
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// connection manager to notify its clients of.
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//
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VOID
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LanEventNotify (
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CONMAN_EVENTTYPE EventType,
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INetConnection* pConn,
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PCWSTR pszNewName,
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const GUID * pguidConn)
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{
|
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// Let's be sure we only do work if the service state is still running.
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// If we have a stop pending for example, we don't need to do anything.
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//
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if (SERVICE_RUNNING != _Module.DwServiceStatus ())
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{
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return;
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}
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|
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// If the connection manager has no active connection points registered,
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// we don't need to do anything.
|
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//
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if (!CConnectionManager::FHasActiveConnectionPoints ())
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{
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return;
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}
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|
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if ((REFRESH_ALL == EventType) && (g_cInRefreshAll >= MAX_IN_REFRESH_ALL))
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{
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return;
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}
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|
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// Allocate a CONMAN_EVENT structure and initialize it from the
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// RASEVENT information.
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//
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CONMAN_EVENT* pEvent = (CONMAN_EVENT*)MemAlloc (sizeof(CONMAN_EVENT));
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if (!pEvent)
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{
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TraceTag (ttidEvents,
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"Failed to allocate a new work item in LanEventNotify.");
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return;
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}
|
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ZeroMemory (pEvent, sizeof(CONMAN_EVENT));
|
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pEvent->ConnectionManager = CONMAN_LAN;
|
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pEvent->Type = EventType;
|
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|
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BOOL fFreeEvent = TRUE;
|
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HRESULT hr = S_OK;
|
|
|
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if (pConn)
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{
|
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// pEvent->pProps is only valid for added and modified events.
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// So, we don't want to be getting properties for any other event.
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//
|
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AssertSz (
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(CONNECTION_ADDED == EventType) ||
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(CONNECTION_MODIFIED == EventType),
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"Why is pConn being passed for this event type?");
|
|
|
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hr = HrGetPropertiesExFromINetConnection(pConn, &pEvent->pPropsEx);
|
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}
|
|
|
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AssertSz(FImplies(EventType == CONNECTION_RENAMED, FIff(pszNewName,
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!pConn)),
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|
"szwNewName && pConn cannot be NULL or non-NULL at "
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"the same time!");
|
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AssertSz(FIff(pszNewName, pguidConn), "szwNewName & pguidConn must both "
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"be NULL or non-NULL");
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|
|
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if (EventType == CONNECTION_RENAMED)
|
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{
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AssertSz(pszNewName, "Rename event requires szwNewName to be "
|
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"non-NULL");
|
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AssertSz(pguidConn, "Rename event requires pguidConn to be "
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"non-NULL");
|
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|
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// Copy in the right info into the event struct
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//
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pEvent->guidId = *pguidConn;
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lstrcpynW(pEvent->szNewName, pszNewName, celems(pEvent->szNewName));
|
|
}
|
|
|
|
if (S_OK == hr)
|
|
{
|
|
TraceTag (ttidEvents,
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|
"LanEventNotify: Queuing ConmanEventWorkItem (Type=%s)...",
|
|
DbgEvents(pEvent->Type));
|
|
|
|
// Queue a worker to deliver the event to the clients of the
|
|
// connection manager with registered connection points.
|
|
// We pass ownership of the structure to the worker thread which
|
|
// will free it. (Therefore, we don't want to free it.)
|
|
//
|
|
if (QueueUserWorkItemInThread (ConmanEventWorkItem,
|
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pEvent, EVENTMGR_CONMAN))
|
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{
|
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fFreeEvent = FALSE;
|
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}
|
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else
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{
|
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TraceTag (ttidEvents,
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"QueueUserWorkItem failed with error %d in LanEventNotify.",
|
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GetLastError ());
|
|
}
|
|
}
|
|
|
|
if (fFreeEvent)
|
|
{
|
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FreeConmanEvent (pEvent);
|
|
}
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: FIsIgnorableCMEvent
|
|
//
|
|
// Purpose: Determine whether an event is an ignorable CM event, such
|
|
// as those that are adds/removes from a temporary CM connection
|
|
// (used by CM VPN connections to double-dial). We don't want
|
|
// clients to react to these events.
|
|
//
|
|
// Arguments:
|
|
// pRasEvent [in] pointer to a RASEVENT structure describing the event.
|
|
//
|
|
// Returns:
|
|
//
|
|
// Author: jeffspr 15 Jan 1999
|
|
//
|
|
// Notes:
|
|
//
|
|
BOOL FIsIgnorableCMEvent(const RASEVENT* pRasEvent)
|
|
{
|
|
BOOL fReturn = FALSE;
|
|
WCHAR szFileName[MAX_PATH];
|
|
|
|
Assert(pRasEvent);
|
|
|
|
// Split the filename out of the path
|
|
//
|
|
_wsplitpath(pRasEvent->Details.szPhonebookPath, NULL, NULL,
|
|
szFileName, NULL);
|
|
|
|
// Compare that file name with the filter prefix to see if we
|
|
// should throw this event away
|
|
//
|
|
if (_wcsnicmp(CM_PBK_FILTER_PREFIX, szFileName,
|
|
wcslen(CM_PBK_FILTER_PREFIX)) == 0)
|
|
{
|
|
fReturn = TRUE;
|
|
}
|
|
|
|
return fReturn;
|
|
}
|
|
|
|
HRESULT HrGetRasConnectionProperties(
|
|
const RASENUMENTRYDETAILS* pDetails,
|
|
NETCON_PROPERTIES_EX** ppPropsEx)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
INetConnection* pConn;
|
|
|
|
Assert(ppPropsEx);
|
|
|
|
hr = CDialupConnection::CreateInstanceFromDetails (
|
|
pDetails,
|
|
IID_INetConnection,
|
|
reinterpret_cast<VOID**>(&pConn));
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = HrGetPropertiesExFromINetConnection(pConn, ppPropsEx);
|
|
|
|
ReleaseObj (pConn);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT HrGetIncomingConnectionPropertiesEx(
|
|
IN const HANDLE hRasConn,
|
|
IN const GUID* pguidId,
|
|
IN const DWORD dwType,
|
|
OUT NETCON_PROPERTIES_EX** ppPropsEx)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
DWORD dwResult = 0;
|
|
RAS_SERVER_HANDLE hRasServer = NULL;
|
|
RAS_CONNECTION_2* pRasConnection = NULL;
|
|
|
|
if (NULL == hRasConn)
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
if (!ppPropsEx)
|
|
{
|
|
return E_POINTER;
|
|
}
|
|
|
|
*ppPropsEx = NULL;
|
|
|
|
dwResult = MprAdminServerConnect(NULL, &hRasServer);
|
|
|
|
if (NO_ERROR == dwResult)
|
|
{
|
|
dwResult = MprAdminConnectionGetInfo(hRasServer, 2, hRasConn, reinterpret_cast<LPBYTE*>(&pRasConnection));
|
|
|
|
if (NO_ERROR == dwResult)
|
|
{
|
|
DWORD dwRead = 0;
|
|
DWORD dwTot = 0;
|
|
RAS_PORT_0* pPort = NULL;
|
|
|
|
dwResult = MprAdminPortEnum(hRasServer,
|
|
0,
|
|
hRasConn,
|
|
(LPBYTE*)&pPort,
|
|
sizeof(RAS_PORT_0) * 2,
|
|
&dwRead,
|
|
&dwTot,
|
|
NULL);
|
|
|
|
if (NO_ERROR == dwResult)
|
|
{
|
|
CComPtr<INetConnection> pConn;
|
|
|
|
hr = CInboundConnection::CreateInstance(FALSE,
|
|
hRasConn,
|
|
pRasConnection->wszUserName,
|
|
pPort->wszDeviceName,
|
|
dwType,
|
|
pguidId,
|
|
IID_INetConnection,
|
|
reinterpret_cast<LPVOID*>(&pConn));
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = HrGetPropertiesExFromINetConnection(pConn, ppPropsEx);
|
|
(*ppPropsEx)->ncStatus = NCS_CONNECTED;
|
|
}
|
|
MprAdminBufferFree(reinterpret_cast<LPVOID>(pPort));
|
|
}
|
|
MprAdminBufferFree(pRasConnection);
|
|
}
|
|
MprAdminServerDisconnect(hRasServer);
|
|
}
|
|
|
|
if (NO_ERROR != dwResult)
|
|
{
|
|
hr = HRESULT_FROM_WIN32(dwResult);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: RasEventNotify
|
|
//
|
|
// Purpose: Private export used by Rasman service to notify the
|
|
// Netman service of RAS events which may effect connections.
|
|
//
|
|
// Arguments:
|
|
// pRasEvent [in] pointer to a RASEVENT structure describing the event.
|
|
//
|
|
// Returns: nothing
|
|
//
|
|
// Author: shaunco 21 Aug 1998
|
|
//
|
|
// Notes:
|
|
//
|
|
VOID
|
|
APIENTRY
|
|
RasEventNotify (
|
|
const RASEVENT* pRasEvent)
|
|
{
|
|
NETCON_STATUS ncs;
|
|
BOOL fMatchedStatus = TRUE;
|
|
|
|
Assert (pRasEvent);
|
|
|
|
TraceTag (ttidEvents,
|
|
"RasEventNotify: Recieved RAS event (Type=%d)...",
|
|
pRasEvent->Type);
|
|
|
|
// Let's be sure we only do work if the service state is still running.
|
|
// If we have a stop pending for example, we don't need to do anything.
|
|
//
|
|
if (SERVICE_RUNNING != _Module.DwServiceStatus ())
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Map the ras type to the conman type
|
|
//
|
|
switch(pRasEvent->Type)
|
|
{
|
|
case ENTRY_CONNECTED:
|
|
ncs = NCS_CONNECTED;
|
|
break;
|
|
|
|
case ENTRY_CONNECTING:
|
|
ncs = NCS_CONNECTING;
|
|
break;
|
|
|
|
case ENTRY_DISCONNECTING:
|
|
ncs = NCS_DISCONNECTING;
|
|
break;
|
|
|
|
case ENTRY_DISCONNECTED:
|
|
ncs = NCS_DISCONNECTED;
|
|
break;
|
|
|
|
default:
|
|
fMatchedStatus = FALSE;
|
|
}
|
|
|
|
// Remember any Connection Manager connectoids and ras events
|
|
// For Ras Connecting is Disconnected so we have to memorize the
|
|
// real state of the connectoid. /*&& FIsIgnorableCMEvent(pRasEvent)*/
|
|
//
|
|
if( fMatchedStatus )
|
|
{
|
|
// Save the connection in a list
|
|
//
|
|
CCMUtil::Instance().SetEntry(pRasEvent->Details.guidId, pRasEvent->Details.szEntryName,ncs);
|
|
}
|
|
|
|
// If the connection manager has no active connection points registered,
|
|
// we don't need to do anything.
|
|
//
|
|
if (!CConnectionManager::FHasActiveConnectionPoints ())
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Windows XP Bug 336787.
|
|
// sjkhan
|
|
// We're checking to see if we should be firing events when the RemoteAccess Service
|
|
// starts. We call the same API that we do when checking whether or not to show the
|
|
// config connection, and we're then able to determine whether or not we should fire
|
|
// the incoming events. Since we get notified of the service stopping and starting,
|
|
// we'll always know when we should or should not fire IncomingEvents. This reduces
|
|
// the call overhead to O(1), and since we exit here if we're not supposed to fire
|
|
// events, we don't even have to allocate and then free the pEvent memory.
|
|
//
|
|
if (((INCOMING_CONNECTED == pRasEvent->Type) ||
|
|
(INCOMING_DISCONNECTED == pRasEvent->Type)) &&
|
|
!g_fHandleIncomingEvents)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if ((ENTRY_ADDED == pRasEvent->Type) ||
|
|
(ENTRY_DELETED == pRasEvent->Type))
|
|
{
|
|
// Filter out CM temporary phonebook events
|
|
//
|
|
if (FIsIgnorableCMEvent(pRasEvent))
|
|
{
|
|
TraceTag(ttidEvents, "Filtering ignorable CM event in RasEventNotify");
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Allocate a CONMAN_EVENT structure and initialize it from the
|
|
// RASEVENT information.
|
|
//
|
|
CONMAN_EVENT* pEvent = (CONMAN_EVENT*)MemAlloc (sizeof(CONMAN_EVENT));
|
|
if (!pEvent)
|
|
{
|
|
TraceTag (ttidEvents,
|
|
"Failed to allocate a new work item in RasEventNotify.");
|
|
return;
|
|
}
|
|
ZeroMemory (pEvent, sizeof(CONMAN_EVENT));
|
|
pEvent->ConnectionManager = CONMAN_RAS;
|
|
|
|
BOOL fFreeEvent = TRUE;
|
|
HRESULT hr = S_OK;
|
|
|
|
switch (pRasEvent->Type)
|
|
{
|
|
case ENTRY_ADDED:
|
|
pEvent->Type = CONNECTION_ADDED;
|
|
pEvent->Details = pRasEvent->Details;
|
|
TraceTag(ttidEvents, "Path: %S", pRasEvent->Details.szPhonebookPath);
|
|
break;
|
|
|
|
case ENTRY_DELETED:
|
|
pEvent->Type = CONNECTION_DELETED;
|
|
pEvent->guidId = pRasEvent->guidId;
|
|
break;
|
|
|
|
case ENTRY_MODIFIED:
|
|
pEvent->Type = CONNECTION_MODIFIED;
|
|
pEvent->Details = pRasEvent->Details;
|
|
InterlockedIncrement(&g_lRasEntryModifiedVersionEra);
|
|
break;
|
|
|
|
case ENTRY_RENAMED:
|
|
pEvent->Type = CONNECTION_RENAMED;
|
|
pEvent->guidId = pRasEvent->guidId;
|
|
lstrcpynW (
|
|
pEvent->szNewName,
|
|
pRasEvent->pszwNewName,
|
|
celems(pEvent->szNewName) );
|
|
InterlockedIncrement(&g_lRasEntryModifiedVersionEra);
|
|
break;
|
|
|
|
case ENTRY_AUTODIAL:
|
|
pEvent->Type = CONNECTION_MODIFIED;
|
|
pEvent->Details = pRasEvent->Details;
|
|
InterlockedIncrement(&g_lRasEntryModifiedVersionEra);
|
|
break;
|
|
|
|
case ENTRY_CONNECTED:
|
|
pEvent->Type = CONNECTION_STATUS_CHANGE;
|
|
pEvent->guidId = pRasEvent->Details.guidId;
|
|
pEvent->Status = NCS_CONNECTED;
|
|
break;
|
|
|
|
case ENTRY_CONNECTING:
|
|
pEvent->Type = CONNECTION_STATUS_CHANGE;
|
|
pEvent->guidId = pRasEvent->Details.guidId;
|
|
pEvent->Status = NCS_CONNECTING;
|
|
break;
|
|
|
|
case ENTRY_DISCONNECTING:
|
|
pEvent->Type = CONNECTION_STATUS_CHANGE;
|
|
pEvent->guidId = pRasEvent->Details.guidId;
|
|
pEvent->Status = NCS_DISCONNECTING;
|
|
break;
|
|
|
|
case ENTRY_DISCONNECTED:
|
|
pEvent->Type = CONNECTION_STATUS_CHANGE;
|
|
pEvent->guidId = pRasEvent->Details.guidId;
|
|
pEvent->Status = NCS_DISCONNECTED;
|
|
break;
|
|
|
|
case INCOMING_CONNECTED:
|
|
pEvent->ConnectionManager = CONMAN_INCOMING;
|
|
pEvent->hConnection = pRasEvent->hConnection;
|
|
pEvent->guidId = pRasEvent->guidId;
|
|
pEvent->dwConnectionType = RasSrvTypeFromRasDeviceType(pRasEvent->rDeviceType);
|
|
pEvent->Type = CONNECTION_ADDED;
|
|
break;
|
|
|
|
case INCOMING_DISCONNECTED:
|
|
pEvent->ConnectionManager = CONMAN_INCOMING;
|
|
pEvent->guidId = pRasEvent->guidId;
|
|
pEvent->Type = CONNECTION_DELETED;
|
|
break;
|
|
|
|
case SERVICE_EVENT:
|
|
if (REMOTEACCESS == pRasEvent->Service)
|
|
{
|
|
DWORD dwErr;
|
|
pEvent->ConnectionManager = CONMAN_INCOMING;
|
|
pEvent->Type = REFRESH_ALL;
|
|
// Check to see if we should handle incoming events.
|
|
dwErr = RasSrvAllowConnectionsConfig(&g_fHandleIncomingEvents);
|
|
TraceError ("RasSrvIsConnectionConnected", HRESULT_FROM_WIN32(dwErr));
|
|
}
|
|
else if (RAS_SERVICE_STARTED == pRasEvent->Event)
|
|
{
|
|
_Module.ReferenceRasman(REF_REFERENCE);
|
|
hr = S_FALSE;
|
|
}
|
|
else
|
|
{
|
|
// skip queueing the workitem
|
|
hr = S_FALSE;
|
|
}
|
|
break;
|
|
|
|
case ENTRY_BANDWIDTH_ADDED:
|
|
case ENTRY_BANDWIDTH_REMOVED:
|
|
pEvent->Type = CONNECTION_BANDWIDTH_CHANGE;
|
|
pEvent->guidId = pRasEvent->guidId;
|
|
break;
|
|
|
|
case DEVICE_ADDED:
|
|
case DEVICE_REMOVED:
|
|
pEvent->Type = REFRESH_ALL;
|
|
break;
|
|
|
|
default:
|
|
// skip queueing the workitem
|
|
AssertSz (FALSE, "Invalid Type specified in pRasEvent");
|
|
hr = S_FALSE;
|
|
break;
|
|
}
|
|
|
|
if (S_OK == hr)
|
|
{
|
|
if (CONMAN_RAS == pEvent->ConnectionManager)
|
|
{
|
|
TraceTag (ttidEvents,
|
|
"RasEventNotify: Queueing RasEventWorkItem (Type=%s)...",
|
|
DbgEvents(pEvent->Type));
|
|
|
|
// Queue the event to be delivered the event to the clients of the
|
|
// connection manager with registered connection points.
|
|
// We pass ownership of the structure to the worker thread which
|
|
// will free it. (Therefore, we don't want to free it.)
|
|
//
|
|
if (QueueUserWorkItemInThread (RasEventWorkItem,
|
|
pEvent, EVENTMGR_CONMAN))
|
|
{
|
|
fFreeEvent = FALSE;
|
|
}
|
|
else
|
|
{
|
|
TraceTag (ttidEvents,
|
|
"QueueUserWorkItem failed with error %d in RasEventNotify.",
|
|
GetLastError ());
|
|
}
|
|
}
|
|
else if (CONMAN_INCOMING == pEvent->ConnectionManager)
|
|
{
|
|
TraceTag (ttidEvents,
|
|
"RasEventNotify: Queueing IncomingEventWorkItem (Type=%s)...",
|
|
DbgEvents(pEvent->Type));
|
|
|
|
// Queue the event to be delivered the event to the clients of the
|
|
// connection manager with registered connection points.
|
|
// We pass ownership of the structure to the worker thread which
|
|
// will free it. (Therefore, we don't want to free it.)
|
|
//
|
|
if (QueueUserWorkItemInThread (IncomingEventWorkItem,
|
|
pEvent, EVENTMGR_CONMAN))
|
|
{
|
|
fFreeEvent = FALSE;
|
|
}
|
|
else
|
|
{
|
|
TraceTag (ttidEvents,
|
|
"QueueUserWorkItem failed with error %d in RasEventNotify.",
|
|
GetLastError ());
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
if (fFreeEvent)
|
|
{
|
|
FreeConmanEvent (pEvent);
|
|
}
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: IncomingEventNotify
|
|
//
|
|
// Purpose: To be called when something changes on an Incoming Connection
|
|
//
|
|
// Arguments:
|
|
// (none)
|
|
//
|
|
// Returns: nothing
|
|
//
|
|
// Author: sjkhan 17 Oct 2000
|
|
//
|
|
// Notes: The easy thing is done a full refresh is queued for the
|
|
// connection manager to notify its clients of.
|
|
//
|
|
VOID
|
|
IncomingEventNotify (
|
|
CONMAN_EVENTTYPE EventType,
|
|
INetConnection* pConn,
|
|
PCWSTR pszNewName,
|
|
const GUID * pguidConn)
|
|
{
|
|
// Let's be sure we only do work if the service state is still running.
|
|
// If we have a stop pending for example, we don't need to do anything.
|
|
//
|
|
if (SERVICE_RUNNING != _Module.DwServiceStatus ())
|
|
{
|
|
return;
|
|
}
|
|
|
|
// If the connection manager has no active connection points registered,
|
|
// we don't need to do anything.
|
|
//
|
|
if (!CConnectionManager::FHasActiveConnectionPoints ())
|
|
{
|
|
return;
|
|
}
|
|
|
|
if ((REFRESH_ALL == EventType) && (g_cInRefreshAll >= MAX_IN_REFRESH_ALL))
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Allocate a CONMAN_EVENT structure and initialize it from the
|
|
// INCOMING information.
|
|
//
|
|
CONMAN_EVENT* pEvent = (CONMAN_EVENT*)MemAlloc (sizeof(CONMAN_EVENT));
|
|
if (!pEvent)
|
|
{
|
|
TraceTag (ttidEvents,
|
|
"Failed to allocate a new work item in IncomingEventNotify.");
|
|
return;
|
|
}
|
|
ZeroMemory (pEvent, sizeof(CONMAN_EVENT));
|
|
pEvent->ConnectionManager = CONMAN_INCOMING;
|
|
pEvent->Type = EventType;
|
|
|
|
BOOL fFreeEvent = TRUE;
|
|
HRESULT hr = S_OK;
|
|
|
|
if (pConn)
|
|
{
|
|
// pEvent->pProps is valid for modified events and added events, but we only support modified for incoming.
|
|
// So, we don't want to be getting properties for any other event.
|
|
//
|
|
AssertSz (
|
|
(CONNECTION_MODIFIED == EventType),
|
|
"Why is pConn being passed for this event type?");
|
|
|
|
hr = HrGetPropertiesExFromINetConnection(pConn, &pEvent->pPropsEx);
|
|
}
|
|
|
|
if (EventType == CONNECTION_RENAMED)
|
|
{
|
|
AssertSz(pszNewName, "Rename event requires szwNewName to be "
|
|
"non-NULL");
|
|
AssertSz(pguidConn, "Rename event requires pguidConn to be "
|
|
"non-NULL");
|
|
|
|
// Copy in the right info into the event struct
|
|
//
|
|
pEvent->guidId = *pguidConn;
|
|
lstrcpynW(pEvent->szNewName, pszNewName, celems(pEvent->szNewName));
|
|
}
|
|
|
|
if (S_OK == hr)
|
|
{
|
|
TraceTag (ttidEvents,
|
|
"IncomingEventNotify: Queuing ConmanEventWorkItem (Type=%s)...",
|
|
DbgEvents(pEvent->Type));
|
|
|
|
// Queue a worker to deliver the event to the clients of the
|
|
// connection manager with registered connection points.
|
|
// We pass ownership of the structure to the worker thread which
|
|
// will free it. (Therefore, we don't want to free it.)
|
|
//
|
|
if (QueueUserWorkItemInThread (ConmanEventWorkItem,
|
|
pEvent, EVENTMGR_CONMAN))
|
|
{
|
|
fFreeEvent = FALSE;
|
|
}
|
|
else
|
|
{
|
|
TraceTag (ttidEvents,
|
|
"QueueUserWorkItem failed with error %d in IncomingEventNotify.",
|
|
GetLastError ());
|
|
}
|
|
}
|
|
|
|
if (fFreeEvent)
|
|
{
|
|
FreeConmanEvent (pEvent);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: DispatchEvents
|
|
//
|
|
// Purpose: Thread function for Dispatching events
|
|
//
|
|
// Arguments:
|
|
// LPVOID pContext (unused)
|
|
//
|
|
// Returns: nothing
|
|
//
|
|
// Author: sjkhan 30 Nov 2000
|
|
//
|
|
// Notes: Is called when something is added to the queue and and an event
|
|
// is set, then dispatches all events until the queue is empty
|
|
// and then exits.
|
|
//
|
|
//
|
|
VOID NTAPI DispatchEvents(IN LPVOID pContext, BOOLEAN fTimerFired)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
TraceTag(ttidEvents, "Event Dispatching Thread Started.");
|
|
|
|
hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (fTimerFired == FALSE /* We were signaled */)
|
|
{
|
|
while (g_pEventQueue->AtomCheckSizeAndResetEvent(g_fDispatchEvents))
|
|
{
|
|
LPTHREAD_START_ROUTINE pfnEvent = NULL;
|
|
PVOID pEvent = NULL;
|
|
EVENT_MANAGER EventMgr;
|
|
HRESULT hr;
|
|
|
|
TraceTag(ttidEvents, "Number of events in Queue: %d", g_pEventQueue->size());
|
|
|
|
hr = g_pEventQueue->DequeueEvent(pfnEvent, pEvent, EventMgr);
|
|
if (SUCCEEDED(hr) && pfnEvent)
|
|
{
|
|
pfnEvent(pEvent);
|
|
}
|
|
}
|
|
}
|
|
|
|
CoUninitialize();
|
|
}
|
|
else
|
|
{
|
|
TraceError("Error calling CoInitialize.", hr);
|
|
}
|
|
|
|
TraceTag(ttidEvents, "Event Dispatching Thread Stopping.");
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: HrEnsureEventHandlerInitialized
|
|
//
|
|
// Purpose: Thread function for Dispatching events
|
|
//
|
|
// Arguments:
|
|
// (none)
|
|
//
|
|
// Returns: HRESULT
|
|
//
|
|
// Author: sjkhan 30 Nov 2000
|
|
//
|
|
// Notes:
|
|
//
|
|
//
|
|
HRESULT HrEnsureEventHandlerInitialized()
|
|
{
|
|
DWORD dwThreadId;
|
|
NTSTATUS Status;
|
|
HANDLE hEventExit;
|
|
HRESULT hr = S_FALSE; // Events are already initialized.
|
|
|
|
TraceTag(ttidEvents, "Entering HrEnsureEventHandlerInitialized");
|
|
|
|
if (!g_pEventQueue)
|
|
{
|
|
hEventExit = CreateEvent(NULL, FALSE, FALSE, NULL);
|
|
if (hEventExit)
|
|
{
|
|
try
|
|
{
|
|
g_pEventQueue = new CEventQueue(hEventExit);
|
|
if (!g_pEventQueue)
|
|
{
|
|
throw E_OUTOFMEMORY;
|
|
}
|
|
|
|
// Check to see if we should handle incoming events.
|
|
DWORD dwErr = RasSrvAllowConnectionsConfig(&g_fHandleIncomingEvents);
|
|
TraceError ("RasSrvIsConnectionConnected", HRESULT_FROM_WIN32(dwErr));
|
|
|
|
g_fDispatchEvents = TRUE;
|
|
}
|
|
catch (HRESULT hrThrown)
|
|
{
|
|
hr = hrThrown;
|
|
}
|
|
catch (...)
|
|
{
|
|
hr = E_FAIL;
|
|
}
|
|
CloseHandle(hEventExit);
|
|
}
|
|
else
|
|
{
|
|
hr = HrFromLastWin32Error();
|
|
}
|
|
}
|
|
|
|
TraceError("Error in HrEnsureEventHandlerInitialized", hr);
|
|
|
|
return hr;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: UninitializeEventHandler
|
|
//
|
|
// Purpose:
|
|
//
|
|
// Arguments:
|
|
// (none)
|
|
//
|
|
// Returns: HRESULT
|
|
//
|
|
// Author: sjkhan 30 Nov 2000
|
|
//
|
|
// Notes:
|
|
//
|
|
//
|
|
HRESULT UninitializeEventHandler()
|
|
{
|
|
HRESULT hr = S_OK;
|
|
DWORD dwStatus;
|
|
NTSTATUS Status;
|
|
|
|
TraceTag(ttidEvents, "Entering UninitializeEventHandler");
|
|
|
|
if (g_fDispatchEvents)
|
|
{
|
|
g_fDispatchEvents = FALSE;
|
|
|
|
if (g_pEventQueue && (0 != g_pEventQueue->size()))
|
|
{
|
|
dwStatus = g_pEventQueue->WaitForExit();
|
|
}
|
|
|
|
TraceTag(ttidEvents, "Deregistering Event Wait");
|
|
|
|
if (g_hEventWait)
|
|
{
|
|
Status = RtlDeregisterWaitEx(g_hEventWait, INVALID_HANDLE_VALUE);
|
|
g_hEventWait = NULL;
|
|
}
|
|
|
|
if (g_pEventQueue)
|
|
{
|
|
delete g_pEventQueue;
|
|
g_pEventQueue = NULL;
|
|
}
|
|
}
|
|
|
|
CGroupPolicyNetworkLocationAwareness* pGPNLA =
|
|
reinterpret_cast<CGroupPolicyNetworkLocationAwareness*>(InterlockedExchangePointer( (PVOID volatile *) &g_pGPNLA, NULL));
|
|
|
|
if (pGPNLA)
|
|
{
|
|
TraceTag(ttidEvents, "Calling Group Policy Uninitialize");
|
|
hr = pGPNLA->Uninitialize();
|
|
|
|
delete pGPNLA;
|
|
}
|
|
|
|
TraceError("UninitializeEventHandler", hr);
|
|
|
|
TraceTag(ttidEvents, "Exiting UninitializeEventHandler");
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: QueueUserWorkItemInThread
|
|
//
|
|
// Purpose: Places events and their workitems into the event queue for
|
|
// scheduling.
|
|
// Arguments:
|
|
// IN LPTHREAD_START_ROUTINE Function - worker function to call
|
|
// IN PVOID Context - event data
|
|
// IN EVENT_MANAGER EventMgr - CONMAN or EAPOLMAN
|
|
//
|
|
//
|
|
// Returns: BOOL
|
|
//
|
|
// Author: sjkhan 30 Nov 2000
|
|
//
|
|
// Notes:
|
|
//
|
|
//
|
|
BOOL QueueUserWorkItemInThread(IN LPTHREAD_START_ROUTINE Function, IN PVOID Context, IN EVENT_MANAGER EventMgr)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
TraceTag(ttidEvents, "Entering QueueUserWorkItemInThread");
|
|
|
|
if (g_fDispatchEvents) // if we're shutting down then this will be FALSE and we won't be scheduling events.
|
|
{
|
|
|
|
hr = g_pEventQueue->EnqueueEvent(Function, Context, EventMgr);
|
|
// The queue should contain only one item at this point unless someone else has added something
|
|
// but either way, only one thread will be handling events (as the other call would have received S_OK
|
|
// as a return value), as we synchronize this in EnqueueEvent.
|
|
|
|
TraceTag(ttidEvents, "Number of Items in Queue: %d", g_pEventQueue->size());
|
|
|
|
}
|
|
|
|
TraceTag(ttidEvents, "Exiting QueueUserWorkItemInThread");
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
TraceError("Error in QueueUserWorkItemInThread", hr);
|
|
}
|
|
|
|
return SUCCEEDED(hr);
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: IsValidEventType
|
|
//
|
|
// Purpose: Validate Event parameters.
|
|
//
|
|
// Arguments:
|
|
// EventMgr - type of event manager
|
|
// EventType - type of event
|
|
//
|
|
// Returns: HRESULT indicating success of failure
|
|
//
|
|
// Author: sjkhan 09 Dec 2000
|
|
//
|
|
// Notes:
|
|
//
|
|
//
|
|
//
|
|
//
|
|
BOOL IsValidEventType(EVENT_MANAGER EventMgr, int EventType)
|
|
{
|
|
BOOL fIsValid = FALSE;
|
|
|
|
Assert(EventMgr);
|
|
TraceTag(ttidEvents, "IsValidEventType received: %d", EventType);
|
|
|
|
if (EventMgr == EVENTMGR_CONMAN)
|
|
{
|
|
if (EventType == INVALID_TYPE)
|
|
{
|
|
fIsValid = FALSE;
|
|
}
|
|
else if (EventType <= DISABLE_EVENTS)
|
|
{
|
|
fIsValid = TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
AssertSz(FALSE, "Invalid Event Manager");
|
|
}
|
|
|
|
return fIsValid;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: HrEnsureRegisteredWithNla
|
|
//
|
|
// Purpose: Initialize our Nla Event class, if not already done.
|
|
//
|
|
// Arguments:
|
|
// (none)
|
|
//
|
|
// Returns: HRESULT indicating success of failure
|
|
//
|
|
// Author: sjkhan 21 Apr 2001
|
|
//
|
|
// Notes:
|
|
//
|
|
//
|
|
//
|
|
HRESULT HrEnsureRegisteredWithNla()
|
|
{
|
|
HRESULT hr = S_FALSE; // We're already registered, no need to do so again.
|
|
|
|
if (!g_pGPNLA)
|
|
{
|
|
try
|
|
{
|
|
g_pGPNLA = new CGroupPolicyNetworkLocationAwareness();
|
|
if (g_pGPNLA)
|
|
{
|
|
hr = g_pGPNLA->Initialize();
|
|
if (FAILED(hr))
|
|
{
|
|
TraceError("Error in HrEnsureRegisteredWithNla", hr);
|
|
|
|
g_pGPNLA->Uninitialize();
|
|
|
|
delete g_pGPNLA;
|
|
g_pGPNLA = NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
}
|
|
catch (HRESULT hrThrown)
|
|
{
|
|
hr = hrThrown;
|
|
}
|
|
catch (...)
|
|
{
|
|
hr = E_FAIL;
|
|
}
|
|
}
|
|
|
|
TraceTag(ttidEvents, "Exiting HrEnsureRegisteredWithNla");
|
|
|
|
return hr;
|
|
}
|