531 lines
15 KiB
C
531 lines
15 KiB
C
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/*************************************************************************
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*
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* wsxmgr.c
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*
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* Routines to manage Window Station extensions.
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*
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* Copyright Microsoft Corporation, 1998
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*
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*
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*************************************************************************/
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#include "precomp.h"
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#pragma hdrstop
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/*=============================================================================
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== Macros
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=============================================================================*/
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/*=============================================================================
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== External procedures defined
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=============================================================================*/
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PWSEXTENSION FindWinStationExtensionDll( PWSTR pszWsxDll, ULONG WdFlag );
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/*=============================================================================
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== Local Data
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=============================================================================*/
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RTL_CRITICAL_SECTION WsxListLock;
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LIST_ENTRY WsxListHead;
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/*=============================================================================
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== External Data
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=============================================================================*/
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extern LIST_ENTRY WinStationListHead; // protected by WinStationListLock
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/*******************************************************************************
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*
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* WsxInit
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*
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*
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*
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* ENTRY:
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* nothing
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*
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* EXIT:
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* STATUS_SUCCESS on success, the return value of InitCritSec on failure.
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*
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******************************************************************************/
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NTSTATUS
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WsxInit( VOID )
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{
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InitializeListHead( &WsxListHead );
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return(RtlInitializeCriticalSection( &WsxListLock ));
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}
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/*******************************************************************************
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*
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* _WinStationEnumCallback
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*
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*
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*
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* ENTRY:
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* nothing
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*
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* EXIT:
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* nothing
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*
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******************************************************************************/
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VOID
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_WinStationEnumCallback(PCALLBACK_PRIMARY pPrimaryCallback,
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PCALLBACK_COMPLETION pCompletionCallback,
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PVOID pWsxEnum
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)
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{
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PLIST_ENTRY Head, Next;
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PWINSTATION pWinStation;
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RtlEnterCriticalSection( &WinStationListLock );
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// call primary if valid
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if ( pPrimaryCallback ) {
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Head = &WinStationListHead;
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for ( Next = Head->Flink; Next != Head; Next = Next->Flink ) {
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pWinStation = CONTAINING_RECORD( Next, WINSTATION, Links );
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if ( pWinStation->pWsx ) {
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pPrimaryCallback( pWinStation->pWsx->hInstance, pWinStation->pWsxContext, pWsxEnum );
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} else {
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pPrimaryCallback( NULL, pWinStation->pWsxContext, pWsxEnum );
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}
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}
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}
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// call completion if valid
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if ( pCompletionCallback ) {
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pCompletionCallback( pWsxEnum );
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}
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RtlLeaveCriticalSection( &WinStationListLock );
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}
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/*******************************************************************************
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*
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* _SendWinStationMessage
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*
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*
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*
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* ENTRY:
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* nothing
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*
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* EXIT:
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* nothing
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*
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******************************************************************************/
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NTSTATUS
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_SendWinStationMessage(
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ULONG LogonId,
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PWCHAR pTitle,
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PWCHAR pMessage,
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ULONG MessageTimeout )
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{
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PWINSTATION pWinStation;
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WINSTATION_APIMSG msg;
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NTSTATUS Status;
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/*
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* Find and lock the WinStation struct for the specified LogonId
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*/
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pWinStation = FindWinStationById( LogonId, FALSE );
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if ( pWinStation == NULL ) {
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return( STATUS_CTX_WINSTATION_NOT_FOUND );
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}
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/*
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* Build message
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*/
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msg.u.SendMessage.pTitle = pTitle;
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msg.u.SendMessage.TitleLength = wcslen( pTitle ) * sizeof(WCHAR);
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msg.u.SendMessage.pMessage = pMessage;
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msg.u.SendMessage.MessageLength = wcslen( pMessage ) * sizeof(WCHAR);
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msg.u.SendMessage.Style = MB_OK | MB_ICONSTOP;
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msg.u.SendMessage.Timeout = MessageTimeout;
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msg.u.SendMessage.Response = 0;
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msg.u.SendMessage.DoNotWait = TRUE;
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msg.ApiNumber = SMWinStationDoMessage;
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/*
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* Send message
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*/
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Status = SendWinStationCommand( pWinStation, &msg, 0 );
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/*
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* Done with winstation
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*/
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ReleaseWinStation( pWinStation );
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return( Status );
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}
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/*******************************************************************************
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*
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* _GetContextForLogonId
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*
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*
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*
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* ENTRY:
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* nothing
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*
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* EXIT:
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* nothing
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*
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******************************************************************************/
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NTSTATUS
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_GetContextForLogonId(
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ULONG LogonId,
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PVOID * ppWsxContext
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)
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{
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PWINSTATION pWinStation;
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WINSTATION_APIMSG msg;
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/*
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* Find and lock the WinStation struct for the specified LogonId
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*/
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pWinStation = FindWinStationById( LogonId, FALSE );
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if ( pWinStation == NULL ) {
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*ppWsxContext = NULL;
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return( STATUS_CTX_WINSTATION_NOT_FOUND );
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}
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/*
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* Return context
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*/
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*ppWsxContext = pWinStation->pWsxContext;
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/*
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* Done with winstation
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*/
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ReleaseWinStation( pWinStation );
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return( STATUS_SUCCESS );
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}
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/*******************************************************************************
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*
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* _LoadWsxDll
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*
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* Load and Initialize Window Station Extension DLL.
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*
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* ENTRY:
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* nothing
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*
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* EXIT:
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* nothing
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*
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******************************************************************************/
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PWSEXTENSION
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_LoadWsxDll( PWSTR pszWsxDll )
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{
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PWSEXTENSION pWsx;
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HINSTANCE hDllInstance;
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if ( pszWsxDll == NULL || *pszWsxDll == UNICODE_NULL )
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return( NULL );
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hDllInstance = LoadLibrary(pszWsxDll);
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if (!hDllInstance) {
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TRACE((hTrace,TC_ICASRV,TT_ERROR,"TERMSRV: Error %d, _LoadWsxDll(%s) failed\n",
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GetLastError(), pszWsxDll));
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return(NULL);
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}
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pWsx = MemAlloc( sizeof(WSEXTENSION) );
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if ( !pWsx ) {
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return(NULL);
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}
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RtlZeroMemory( pWsx, sizeof(WSEXTENSION) );
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RtlCopyMemory( pWsx->WsxDLL, pszWsxDll, sizeof(pWsx->WsxDLL) );
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pWsx->hInstance = hDllInstance;
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/*
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* Initialize Dll support functions
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*/
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pWsx->pWsxInitialize = (PWSX_INITIALIZE) GetProcAddress(hDllInstance, WSX_INITIALIZE);
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if (!pWsx->pWsxInitialize) {
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TRACE((hTrace,TC_ICASRV,TT_ERROR,"TERMSRV: Could not find pWsxInitialize entry point\n"));
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goto LoadWsx_ErrorReturn;
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}
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/*
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* Client Drive Mapping Extensions
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*/
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pWsx->pWsxCdmConnect = (PWSX_CDMCONNECT)
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GetProcAddress(hDllInstance, WSX_CDMCONNECT);
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pWsx->pWsxCdmDisconnect = (PWSX_CDMDISCONNECT)
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GetProcAddress(hDllInstance, WSX_CDMDISCONNECT);
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pWsx->pWsxVerifyClientLicense = (PWSX_VERIFYCLIENTLICENSE)
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GetProcAddress(hDllInstance, WSX_VERIFYCLIENTLICENSE);
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pWsx->pWsxQueryLicense = (PWSX_QUERYLICENSE)
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GetProcAddress(hDllInstance, WSX_QUERYLICENSE);
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pWsx->pWsxGetLicense = (PWSX_GETLICENSE)
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GetProcAddress(hDllInstance, WSX_GETLICENSE);
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pWsx->pWsxWinStationLogonAnnoyance = (PWSX_WINSTATIONLOGONANNOYANCE)
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GetProcAddress(hDllInstance, WSX_WINSTATIONLOGONANNOYANCE);
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pWsx->pWsxWinStationGenerateLicense = (PWSX_WINSTATIONGENERATELICENSE)
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GetProcAddress(hDllInstance, WSX_WINSTATIONGENERATELICENSE);
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pWsx->pWsxWinStationInstallLicense = (PWSX_WINSTATIONINSTALLLICENSE)
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GetProcAddress(hDllInstance, WSX_WINSTATIONINSTALLLICENSE);
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pWsx->pWsxWinStationEnumerateLicenses = (PWSX_WINSTATIONENUMERATELICENSES)
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GetProcAddress(hDllInstance, WSX_WINSTATIONENUMERATELICENSES);
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pWsx->pWsxWinStationActivateLicense = (PWSX_WINSTATIONACTIVATELICENSE)
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GetProcAddress(hDllInstance, WSX_WINSTATIONACTIVATELICENSE);
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pWsx->pWsxWinStationRemoveLicense = (PWSX_WINSTATIONREMOVELICENSE)
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GetProcAddress(hDllInstance, WSX_WINSTATIONREMOVELICENSE);
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pWsx->pWsxWinStationSetPoolCount = (PWSX_WINSTATIONSETPOOLCOUNT)
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GetProcAddress(hDllInstance, WSX_WINSTATIONSETPOOLCOUNT);
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pWsx->pWsxWinStationQueryUpdateRequired = (PWSX_WINSTATIONQUERYUPDATEREQUIRED)
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GetProcAddress(hDllInstance, WSX_WINSTATIONQUERYUPDATEREQUIRED);
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pWsx->pWsxWinStationAnnoyanceThread = (PWSX_WINSTATIONANNOYANCETHREAD)
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GetProcAddress(hDllInstance, WSX_WINSTATIONANNOYANCETHREAD);
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pWsx->pWsxInitializeClientData = (PWSX_INITIALIZECLIENTDATA)
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GetProcAddress(hDllInstance, WSX_INITIALIZECLIENTDATA);
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pWsx->pWsxInitializeUserConfig = (PWSX_INITIALIZEUSERCONFIG)
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GetProcAddress(hDllInstance, WSX_INITIALIZEUSERCONFIG);
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pWsx->pWsxConvertPublishedApp = (PWSX_CONVERTPUBLISHEDAPP)
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GetProcAddress(hDllInstance, WSX_CONVERTPUBLISHEDAPP);
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pWsx->pWsxWinStationInitialize = (PWSX_WINSTATIONINITIALIZE)
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GetProcAddress(hDllInstance, WSX_WINSTATIONINITIALIZE);
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pWsx->pWsxWinStationReInitialize = (PWSX_WINSTATIONREINITIALIZE)
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GetProcAddress(hDllInstance, WSX_WINSTATIONREINITIALIZE);
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pWsx->pWsxWinStationRundown = (PWSX_WINSTATIONRUNDOWN)
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GetProcAddress(hDllInstance, WSX_WINSTATIONRUNDOWN);
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pWsx->pWsxDuplicateContext = (PWSX_DUPLICATECONTEXT)
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GetProcAddress(hDllInstance, WSX_DUPLICATECONTEXT);
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pWsx->pWsxCopyContext = (PWSX_COPYCONTEXT)
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GetProcAddress(hDllInstance, WSX_COPYCONTEXT);
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pWsx->pWsxClearContext = (PWSX_CLEARCONTEXT)
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GetProcAddress(hDllInstance, WSX_CLEARCONTEXT);
|
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pWsx->pWsxVirtualChannelSecurity = (PWSX_VIRTUALCHANNELSECURITY)
|
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GetProcAddress(hDllInstance, WSX_VIRTUALCHANNELSECURITY);
|
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|
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pWsx->pWsxIcaStackIoControl = (PWSX_ICASTACKIOCONTROL)
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GetProcAddress(hDllInstance, WSX_ICASTACKIOCONTROL);
|
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pWsx->pWsxBrokenConnection = (PWSX_BROKENCONNECTION)
|
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GetProcAddress(hDllInstance, WSX_BROKENCONNECTION);
|
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|
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pWsx->pWsxLogonNotify = (PWSX_LOGONNOTIFY)
|
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GetProcAddress(hDllInstance, WSX_LOGONNOTIFY);
|
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|
|
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pWsx->pWsxSetErrorInfo = (PWSX_SETERRORINFO)
|
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GetProcAddress(hDllInstance, WSX_SETERRORINFO);
|
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|
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pWsx->pWsxSendAutoReconnectStatus = (PWSX_SENDAUTORECONNECTSTATUS)
|
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GetProcAddress(hDllInstance, WSX_SENDAUTORECONNECTSTATUS);
|
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|
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|
||
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pWsx->pWsxEscape = (PWSX_ESCAPE)
|
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GetProcAddress(hDllInstance, WSX_ESCAPE);
|
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|
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return(pWsx);
|
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|
||
|
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LoadWsx_ErrorReturn:
|
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|
||
|
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LocalFree(pWsx);
|
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|
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return(NULL);
|
||
|
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}
|
||
|
|
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
*
|
||
|
|
* FindWinStationExtensionDll
|
||
|
|
*
|
||
|
|
* Perform initialization of Window Station Extensions
|
||
|
|
*
|
||
|
|
* ENTRY:
|
||
|
|
* nothing
|
||
|
|
*
|
||
|
|
* EXIT:
|
||
|
|
* nothing
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
PWSEXTENSION
|
||
|
|
FindWinStationExtensionDll( PWSTR pszWsxDll, ULONG WdFlag )
|
||
|
|
{
|
||
|
|
PLIST_ENTRY Head, Next;
|
||
|
|
PWSEXTENSION pWsx = NULL;
|
||
|
|
ICASRVPROCADDR IcaSrvProcAddr;
|
||
|
|
|
||
|
|
RtlEnterCriticalSection( &WsxListLock );
|
||
|
|
|
||
|
|
Head = &WsxListHead;
|
||
|
|
for ( Next = Head->Flink; Next != Head; Next = Next->Flink ) {
|
||
|
|
pWsx = CONTAINING_RECORD( Next, WSEXTENSION, Links );
|
||
|
|
if ( !_wcsicmp( pszWsxDll, pWsx->WsxDLL ) ){
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
RtlLeaveCriticalSection( &WsxListLock );
|
||
|
|
if ( Next != Head ) {
|
||
|
|
return( pWsx );
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Load winstation extensions dll
|
||
|
|
*/
|
||
|
|
if ( (pWsx = _LoadWsxDll( pszWsxDll )) != NULL ) {
|
||
|
|
|
||
|
|
KdPrintEx((DPFLTR_TERMSRV_ID, DPFLTR_TRACE_LEVEL, "TERMSRV: FindWinStationExtensionDll(%S) succeeded\n", pszWsxDll ));
|
||
|
|
|
||
|
|
IcaSrvProcAddr.cbProcAddr =
|
||
|
|
(ULONG) sizeof(ICASRVPROCADDR);
|
||
|
|
|
||
|
|
IcaSrvProcAddr.pNotifySystemEvent =
|
||
|
|
(PICASRV_NOTIFYSYSTEMEVENT) NotifySystemEvent;
|
||
|
|
|
||
|
|
IcaSrvProcAddr.pSendWinStationMessage =
|
||
|
|
(PICASRV_SENDWINSTATIONMESSAGE) _SendWinStationMessage;
|
||
|
|
|
||
|
|
IcaSrvProcAddr.pGetContextForLogonId =
|
||
|
|
(PICASRV_GETCONTEXTFORLOGONID) _GetContextForLogonId;
|
||
|
|
|
||
|
|
IcaSrvProcAddr.pWinStationEnumCallBack =
|
||
|
|
(PICASRV_WINSTATIONENUMCALLBACK) _WinStationEnumCallback;
|
||
|
|
|
||
|
|
// initialize dll support procs
|
||
|
|
if ( pWsx->pWsxInitialize( &IcaSrvProcAddr ) ) {
|
||
|
|
RtlEnterCriticalSection( &WsxListLock );
|
||
|
|
InsertHeadList( &WsxListHead, &pWsx->Links );
|
||
|
|
RtlLeaveCriticalSection( &WsxListLock );
|
||
|
|
} else {
|
||
|
|
LocalFree( pWsx );
|
||
|
|
pWsx = NULL;
|
||
|
|
KdPrintEx((DPFLTR_TERMSRV_ID, DPFLTR_ERROR_LEVEL, "TERMSRV: FindWinStationExtensionDll(%S) failed\n", pszWsxDll ));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
KdPrintEx(( DPFLTR_TERMSRV_ID, DPFLTR_ERROR_LEVEL, "TERMSRV: FindWinStationExtensionDll(%S) failed\n", pszWsxDll ));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Create the thread which will monitor the condition of the
|
||
|
|
* WinFrame Licenses and if necessary send Annoyance Messages.
|
||
|
|
*/
|
||
|
|
if ( pWsx && pWsx->pWsxWinStationAnnoyanceThread ) {
|
||
|
|
DWORD ThreadId;
|
||
|
|
HANDLE ThreadHandle;
|
||
|
|
|
||
|
|
ThreadHandle = CreateThread( NULL,
|
||
|
|
0,
|
||
|
|
(LPTHREAD_START_ROUTINE)pWsx->pWsxWinStationAnnoyanceThread,
|
||
|
|
NULL,
|
||
|
|
THREAD_SET_INFORMATION,
|
||
|
|
&ThreadId );
|
||
|
|
|
||
|
|
if(ThreadHandle )
|
||
|
|
NtClose( ThreadHandle );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
return( pWsx );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
*
|
||
|
|
* WsxStackIoControl
|
||
|
|
*
|
||
|
|
* Callback routine called from ICAAPI.DLL to issue StackIoControl calls.
|
||
|
|
*
|
||
|
|
* ENTRY:
|
||
|
|
* nothing
|
||
|
|
*
|
||
|
|
* EXIT:
|
||
|
|
* nothing
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
WsxStackIoControl(
|
||
|
|
IN PVOID pContext,
|
||
|
|
IN HANDLE pStack,
|
||
|
|
IN ULONG IoControlCode,
|
||
|
|
IN PVOID pInBuffer,
|
||
|
|
IN ULONG InBufferSize,
|
||
|
|
OUT PVOID pOutBuffer,
|
||
|
|
IN ULONG OutBufferSize,
|
||
|
|
OUT PULONG pBytesReturned )
|
||
|
|
{
|
||
|
|
PWINSTATION pWinStation = (PWINSTATION)pContext;
|
||
|
|
NTSTATUS Status;
|
||
|
|
|
||
|
|
TRACE((hTrace, TC_ICASRV, TT_API1,
|
||
|
|
"TERMSRV: Enter WsxIcaIoControl, IoControlCode=%d\n",
|
||
|
|
(IoControlCode >> 2) & 0xfff));
|
||
|
|
|
||
|
|
if ( pWinStation &&
|
||
|
|
pWinStation->pWsx &&
|
||
|
|
pWinStation->pWsx->pWsxIcaStackIoControl ) {
|
||
|
|
|
||
|
|
Status = pWinStation->pWsx->pWsxIcaStackIoControl(
|
||
|
|
pWinStation->pWsxContext,
|
||
|
|
pWinStation->hIca,
|
||
|
|
pStack,
|
||
|
|
IoControlCode,
|
||
|
|
pInBuffer,
|
||
|
|
InBufferSize,
|
||
|
|
pOutBuffer,
|
||
|
|
OutBufferSize,
|
||
|
|
pBytesReturned );
|
||
|
|
} else {
|
||
|
|
Status = IcaStackIoControl(
|
||
|
|
pStack,
|
||
|
|
IoControlCode,
|
||
|
|
pInBuffer,
|
||
|
|
InBufferSize,
|
||
|
|
pOutBuffer,
|
||
|
|
OutBufferSize,
|
||
|
|
pBytesReturned );
|
||
|
|
}
|
||
|
|
|
||
|
|
return( Status );
|
||
|
|
}
|
||
|
|
|
||
|
|
|