mirror of
https://github.com/sheumann/VNCviewGS.git
synced 2024-11-25 06:31:36 +00:00
d1b2e10489
The logic for making sure the color table was complete before connecting was slightly broken due to wraparound, so it would cause all entries to be generated, re-generating any that already had been. This fixes it, which should make the initial connection process slightly faster on slow systems.
744 lines
25 KiB
C++
744 lines
25 KiB
C++
/*********************************************************************
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* vncsession.cc - Routines for initiating/conducting a VNC session
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* with the remote host
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*********************************************************************/
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#if __ORCAC__
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#pragma lint -1
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#pragma noroot
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segment "VNCview GS";
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#endif
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#if DEBUG
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/* #pragma debug 25 */
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#endif
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#include <types.h>
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#include <orca.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <string.h>
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#include <tcpip.h>
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#include <quickdraw.h>
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#include <qdaux.h>
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#include <event.h>
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#include <window.h>
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#include <resources.h>
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#include <misctool.h>
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#include <desk.h>
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#include <control.h>
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#include <locator.h>
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#include <memory.h>
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#include <cryptotool.h>
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#include <menu.h>
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#include "vncview.h"
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#include "vncsession.h"
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#include "vncdisplay.h"
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#include "menus.h"
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#include "colortables.h"
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#define linServer 3
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#define linPassword 7
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#define noCryptoError 2005
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#define authFailedError 2006
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#define authTooManyError 2007
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#define noTCPIPConnectionError 2011
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#define badGetIpidError 2012
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#define badOptionNegotiationError 2013
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#define badHandshakingError 2014
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#define badReadTCPError 2015
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GrafPortPtr connectStatusWindowPtr = NULL;
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unsigned int hostIpid;
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void ** readBufferHndl; /* Handle to the data read by the last
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* DoReadTCP call. Copy this elsewhere if more
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* data may be read while it is still in use.
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*/
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static BOOLEAN alerted = FALSE;
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static void CloseConnectStatusWindow (void);
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static BOOLEAN ConnectTCPIP (void);
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static BOOLEAN GetIpid (void);
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static BOOLEAN DoVNCHandshaking (void);
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static BOOLEAN DoDES (void);
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static BOOLEAN FinishVNCHandshaking (void);
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#define buffTypePointer 0x0000 /* For TCPIPReadTCP() */
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#define buffTypeHandle 0x0001
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#define buffTypeNewHandle 0x0002
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#define vncConnectionFailed SwapBytes4(0)
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#define vncNoAuthentication SwapBytes4(1)
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#define vncVNCAuthentication SwapBytes4(2)
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/***************************************************************
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* DoConnect - establish connection to server
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***************************************************************/
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void DoConnect (void) {
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int i; /* loop counter */
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if (colorTablesComplete == FALSE) {
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DisplayConnectStatus("\pGenerating color tables...", FALSE);
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MakeBigColorTables(0);
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colorTablesComplete = TRUE;
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CloseConnectStatusWindow();
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}
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/* Get server & password */
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GetLETextByID(newConnWindow, linServer, (StringPtr) vncServer);
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GetLETextByID(newConnWindow, linPassword, (StringPtr) vncPassword);
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/* Try to establish connection before continuing; if unsuccessful, stop */
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if (ConnectTCPIP() == FALSE) {
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SysBeep();
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AlertWindow(awResource, NULL, noTCPIPConnectionError);
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return;
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}
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if (GetIpid() == FALSE) {
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SysBeep();
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AlertWindow(awResource, NULL, badGetIpidError);
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return;
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}
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if (DoVNCHandshaking() == FALSE) {
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SetHandleSize(1,readBufferHndl);
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CloseConnectStatusWindow();
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InitCursor();
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SysBeep();
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if (alerted == FALSE)
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AlertWindow(awResource, NULL, badHandshakingError);
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else
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alerted = FALSE;
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return;
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}
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if (FinishVNCHandshaking() == FALSE) {
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SetHandleSize(1,readBufferHndl);
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CloseConnectStatusWindow();
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InitCursor();
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AlertWindow(awResource, NULL, badOptionNegotiationError);
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SysBeep();
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return;
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}
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InitVNCWindow();
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CloseConnectStatusWindow();
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InitCursor();
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DoClose(newConnWindow);
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DisableMItem(fileNewConnection);
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myEvent.wmTaskMask = 0x001D79FE; /* don't let TaskMaster process keys */
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InitMenus(noKB);
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vncConnected = TRUE;
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}
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/*******************************************************************
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* DisplayConnectStatus - Display modal dialog with status information
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* statusString - P-String to display
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* cancelMessage - determines whether to display string about OA-.
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*******************************************************************/
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void DisplayConnectStatus(char *statusString, BOOLEAN cancelMessage) {
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#define wrNum 1002
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#define cancelStr 10002
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GrafPortPtr oldPort;
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Rect bigRect = {0,9,15,293};
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if (connectStatusWindowPtr == NULL) {
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connectStatusWindowPtr = NewWindow2(NULL, NULL, NULL, NULL,
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0x02, wrNum, rWindParam1);
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}
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if (connectStatusWindowPtr != NULL) { /* Only draw if window was */
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if (GetMasterSCB() & 0x0080) /* If in 640 mode... */
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MoveWindow(169, 85, connectStatusWindowPtr);
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else /* If in 320 mode... */
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MoveWindow(9, 85, connectStatusWindowPtr);
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oldPort = GetPort(); /* created successfully */
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SetPort(connectStatusWindowPtr);
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EraseRect(&bigRect); /* Clipped to window's GrafPort */
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MoveTo(bigRect.h1, 13);
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DrawStringWidth(0x6000, (Long) statusString, bigRect.h2 - bigRect.h1);
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if (cancelMessage) {
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MoveTo(bigRect.h1, 24);
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DrawStringWidth(0x0002, cancelStr, bigRect.h2 - bigRect.h1);
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}
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SetPort(oldPort);
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}
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#undef wrNum
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#undef cancelStr
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}
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/***********************************************************************
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* DisplayConnectStatusFromTool - Can be passed to Marinetti
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***********************************************************************/
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#pragma databank 1 /* Set data bank register to access globals. */
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#pragma toolparms 1 /* Use tool-style stack model */
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static void DisplayConnectStatusFromTool (char *statusString) {
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DisplayConnectStatus(statusString, TRUE);
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}
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#pragma toolparms 0 /* Use ORCA stack model */
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#pragma databank 0 /* Must restore data bank register on exit */
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/***********************************************************************
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* CloseConnectStatusWindow - Close connect status window (if open)
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***********************************************************************/
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static void CloseConnectStatusWindow (void) {
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if (connectStatusWindowPtr != NULL) {
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CloseWindow(connectStatusWindowPtr);
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connectStatusWindowPtr = NULL;
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}
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}
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/***********************************************************************
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* ConnectTCPIP - Try to establish a TCP/IP connection through Marinetti
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***********************************************************************/
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static BOOLEAN ConnectTCPIP (void)
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{
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BOOLEAN connected = FALSE; /* Are we connected to the network now? */
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if (TCPIPGetConnectStatus() == FALSE) { /* If no TCP/IP connection... */
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WaitCursor();
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TCPIPConnect(&DisplayConnectStatusFromTool);
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if (!toolerror())
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connected = TRUE;
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CloseConnectStatusWindow();
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InitCursor();
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}
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else /* Already connected */
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return TRUE;
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if (connected)
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return TRUE;
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return FALSE;
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}
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/***********************************************************************
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* GetIpid() - parse the server name and attempt to get an ipid for it
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***********************************************************************/
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static BOOLEAN GetIpid (void)
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{
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#define baseDisplayNum 5900
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int i;
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long hostPort;
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cvtRec hostInfo;
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static dnrBuffer dnrInfo;
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unsigned long initialTime;
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/* Find ":" character that delimits name (or IP) from display number */
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for (i = vncServer[0]; isdigit(vncServer[i]) && i>0; i--);
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/* Set port to connect to */
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if (sscanf(&vncServer[i], ":%ld", &hostPort) == 0)
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hostPort = 0;
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hostPort += baseDisplayNum;
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/* Modify the string so it only contains the hostname or IP */
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if (vncServer[i] == ':') {
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vncServer[0] = i - 1;
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vncServer[i] = 0;
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}
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/* If it's an IP address, then put it in the record */
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if (TCPIPValidateIPString(vncServer))
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TCPIPConvertIPToHex(&hostInfo, vncServer);
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else { /* Do a DNS lookup */
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hostInfo.cvtPort = TCPIPMangleDomainName(0xF800, vncServer);
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TCPIPDNRNameToIP(vncServer, &dnrInfo);
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if (toolerror())
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return FALSE;
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WaitCursor();
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DisplayConnectStatus("\pResolving domain name...", FALSE);
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initialTime = TickCount();
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while (dnrInfo.DNRstatus == DNR_Pending) {
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if (TickCount() >= initialTime + 15*60)
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break;
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TCPIPPoll(); /* Call TCPIPPoll() so that */
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} /* Marinetti can process data */
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CloseConnectStatusWindow();
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InitCursor();
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if (dnrInfo.DNRstatus == DNR_OK)
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hostInfo.cvtIPAddress == dnrInfo.DNRIPaddress;
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else
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return FALSE;
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}
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hostIpid = TCPIPLogin(userid(), hostInfo.cvtIPAddress, (int) hostPort,
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0x0010 /* minimize latency */,
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0x0040 /* Normal TTL*/);
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if (toolerror())
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return FALSE;
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if (TCPIPOpenTCP(hostIpid) == tcperrOK)
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if (!toolerror())
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return TRUE;
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return FALSE;
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#undef baseDisplayNum
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}
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static unsigned int tcperr;
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/* Read data, waiting for up to 15 seconds for the data to be ready */
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BOOLEAN DoWaitingReadTCP(unsigned long dataLength) {
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unsigned long stopTime;
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BOOLEAN result = FALSE;
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stopTime = TickCount() + 15 * 60;
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do {
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result = DoReadTCP(dataLength);
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} while (result == FALSE && tcperr == tcperrOK && TickCount() < stopTime);
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return result;
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}
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/* Fix things when TCPIPReadTCP returns less data than it's supposed to */
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static BOOLEAN ReadFixup (unsigned long requested, unsigned long returned) {
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static rrBuff theRRBuff;
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static void **fixupBufferHndl = NULL;
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if (fixupBufferHndl == NULL) {
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fixupBufferHndl = NewHandle(requested-returned, userid(), 0, NULL);
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if (toolerror())
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return FALSE;
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}
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SetHandleSize(requested, readBufferHndl);
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if (toolerror())
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return FALSE;
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do {
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TCPIPPoll();
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if ((tcperr = TCPIPReadTCP(hostIpid, buffTypeHandle, (Ref)fixupBufferHndl,
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requested-returned, &theRRBuff)) != tcperrOK)
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return FALSE;
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if (toolerror())
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return FALSE;
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if (theRRBuff.rrBuffCount == 0) /* To avoid infinite loops */
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return FALSE;
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HandToPtr(fixupBufferHndl, (char *)*readBufferHndl + returned,
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theRRBuff.rrBuffCount);
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returned += theRRBuff.rrBuffCount;
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} while (returned < requested);
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return TRUE;
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}
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/**********************************************************************
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* DoReadTCP() - Issue TCPIPReadTCP() call w/ appropriate parameters
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* Return value = did the read succeed?
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**********************************************************************/
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BOOLEAN DoReadTCP (unsigned long dataLength) {
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static srBuff theSRBuff;
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static rrBuff theRRBuff;
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TCPIPPoll();
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if ((tcperr = TCPIPStatusTCP(hostIpid, &theSRBuff)) != tcperrOK)
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return FALSE;
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if (toolerror())
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return FALSE;
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if (theSRBuff.srRcvQueued < dataLength)
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return FALSE;
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if ((tcperr = TCPIPReadTCP(hostIpid, buffTypeHandle, (Ref) readBufferHndl,
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dataLength, &theRRBuff)) != tcperrOK)
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return FALSE;
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if (toolerror())
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return FALSE;
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if (theRRBuff.rrBuffCount != dataLength)
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return ReadFixup(dataLength, theRRBuff.rrBuffCount);
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return TRUE;
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}
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/**********************************************************************
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* DoVNCHandshaking() - Establish connection to VNC server
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**********************************************************************/
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static BOOLEAN DoVNCHandshaking (void) {
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#define connectionFailedAlert 2004
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#define badRFBVersionAlert 2008
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#define badAuthTypeAlert 2009
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static char versionString[12];
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unsigned long reasonLength;
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char *errorString;
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WaitCursor();
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DisplayConnectStatus("\pConnecting to VNC server...", FALSE);
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/* Read RFB version string from the server */
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strcpy(versionString, "");
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if (! DoWaitingReadTCP(12))
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return FALSE;
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HLock(readBufferHndl);
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if ( ! ((strncmp((char *)*readBufferHndl, "RFB ", 4) == 0) &&
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(strncmp((char *)*readBufferHndl+4, RFBMAJORVERSIONSTR, 3) >= 0) &&
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(strncmp((char *)*readBufferHndl+7, ".", 1) == 0) &&
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(strncmp((char *)*readBufferHndl+11, "\n", 1) == 0))) {
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HUnlock(readBufferHndl);
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InitCursor();
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AlertWindow(awResource, NULL, badRFBVersionAlert);
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alerted = TRUE;
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return FALSE;
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}
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HUnlock(readBufferHndl);
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strcpy(versionString, RFBVERSIONSTR);
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if (TCPIPWriteTCP(hostIpid, versionString, 12, TRUE, FALSE)) {
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return FALSE;
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}
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if (toolerror()) {
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return FALSE;
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}
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if (! DoWaitingReadTCP(4)) { /* Read authentication type */
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return FALSE;
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}
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HLock(readBufferHndl);
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switch ((unsigned long) (**readBufferHndl)) {
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case vncConnectionFailed: HUnlock(readBufferHndl);
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if (! DoWaitingReadTCP(4))
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return FALSE;
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if (toolerror())
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return FALSE;
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HLock(readBufferHndl);
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reasonLength = SwapBytes4(**readBufferHndl);
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HUnlock(readBufferHndl);
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if (! DoWaitingReadTCP(reasonLength))
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return FALSE;
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if (toolerror())
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return FALSE;
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SetHandleSize(
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GetHandleSize(readBufferHndl)+1,
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readBufferHndl);
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if (! toolerror()) {
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HLock(readBufferHndl);
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*((char *) *readBufferHndl+reasonLength)
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= 0;
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InitCursor();
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AlertWindow(awResource,
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(Pointer) readBufferHndl,
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connectionFailedAlert);
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alerted = TRUE;
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HUnlock(readBufferHndl);
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}
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return FALSE;
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case vncNoAuthentication: break;
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case vncVNCAuthentication: if (DoDES())
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break;
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HUnlock(readBufferHndl);
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return FALSE;
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default: HUnlock(readBufferHndl);
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AlertWindow(awResource, NULL,
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badAuthTypeAlert);
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alerted = TRUE;
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return FALSE;
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}
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HUnlock(readBufferHndl);
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return TRUE;
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#undef connectionFailedAlert
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#undef badRFBVersionAlert
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#undef badAuthTypeAlert
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}
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/**********************************************************************
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* DoDES() - Try to do DES (aka VNC) authentication
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**********************************************************************/
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static BOOLEAN DoDES (void) {
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/* This reverses the order of the low 7 bits of a byte. */
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/* Uses the high bit (7) as scratch space. */
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#define SwitchBits(x) do { x &= 0x7f; /* Clear 7 */ \
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x ^= (x << 7) & 0x80; /* 0 -> 7 */ \
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x &= 0xfe; /* Clear 0 */ \
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x ^= (x >> 6) & 0x01; /* 6 -> 0 */ \
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x &= 0xbf; /* Clear 6 */ \
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x ^= (x >> 1) & 0x40; /* 7 -> 6 */ \
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x &= 0x7f; /* Clear 7 */ \
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x ^= (x << 6) & 0x80; /* 1 -> 7 */ \
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x &= 0xfd; /* Clear 1 */ \
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x ^= (x >> 4) & 0x02; /* 5 -> 1 */ \
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x &= 0xdf; /* Clear 5 */ \
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x ^= (x >> 2) & 0x20; /* 7 -> 5 */ \
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x &= 0x7f; /* Clear 7 */ \
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x ^= (x << 5) & 0x80; /* 2 -> 7 */ \
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x &= 0xfb; /* Clear 2 */ \
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x ^= (x >> 2) & 0x04; /* 4 -> 2 */ \
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x &= 0xef; /* Clear 4 */ \
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x ^= (x >> 3) & 0x10; /* 7 -> 4 */ \
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} while (0)
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#define statusOK SwapBytes4(0)
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#define statusFailed SwapBytes4(1)
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#define statusTooMany SwapBytes4(2)
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unsigned char theResponse[16];
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unsigned char theKey[8];
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BOOLEAN success;
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BOOLEAN startedCrypto = FALSE; /* True if we started CryptoTool */
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Handle dpSpace;
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int i;
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DisplayConnectStatus("\pAuthenticating...", FALSE);
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if (!(CryptoStatus() && !toolerror())) { /* if Crypto isn't started */
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startedCrypto = TRUE;
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LoadOneTool(129, 0x100); /* load Crypto tool 1.0+ */
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if (toolerror()) { /* Check that it is available */
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AlertWindow(awResource, NULL, noCryptoError);
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alerted = TRUE;
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return FALSE;
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}
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dpSpace = NewHandle(0x0100, userid(),
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attrLocked|attrFixed|attrNoCross|attrBank, 0x00000000);
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CryptoStartUp((Word) *dpSpace);
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}
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if (! (DoWaitingReadTCP(16))) {
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success = FALSE;
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goto UnloadCrypto;
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}
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/* Pad password with nulls, as per VNC precedent */
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for (i=vncPassword[0]+1; i<=8; i++)
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vncPassword[i] = 0;
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/* Flip bits around to be in format expected by CryptoTool */
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for (i=1; i<9; i++)
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SwitchBits(vncPassword[i]);
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/* Shift password to form 56-bit key */
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vncPassword[1] <<= 1;
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vncPassword[1] += (vncPassword[2] & 0x7f) >> 6;
|
|
vncPassword[2] <<= 2;
|
|
vncPassword[2] += (vncPassword[3] & 0x7f) >> 5;
|
|
vncPassword[3] <<= 3;
|
|
vncPassword[3] += (vncPassword[4] & 0x7f) >> 4;
|
|
vncPassword[4] <<= 4;
|
|
vncPassword[4] += (vncPassword[5] & 0x7f) >> 3;
|
|
vncPassword[5] <<= 5;
|
|
vncPassword[5] += (vncPassword[6] & 0x7f) >> 2;
|
|
vncPassword[6] <<= 6;
|
|
vncPassword[6] += (vncPassword[7] & 0x7f) >> 1;
|
|
vncPassword[7] <<= 7;
|
|
vncPassword[7] += vncPassword[8] & 0x7f;
|
|
|
|
DESAddParity(theKey, &vncPassword[1]);
|
|
|
|
HLock(readBufferHndl);
|
|
DESCipher(theResponse, theKey, *(char **)readBufferHndl, modeEncrypt);
|
|
DESCipher(&theResponse[8], theKey, *(char **)readBufferHndl+8, modeEncrypt);
|
|
HUnlock(readBufferHndl);
|
|
|
|
if (TCPIPWriteTCP(hostIpid, theResponse, sizeof(theResponse), TRUE, FALSE))
|
|
{
|
|
success = FALSE;
|
|
goto UnloadCrypto;
|
|
}
|
|
if (toolerror()) {
|
|
success = FALSE;
|
|
goto UnloadCrypto;
|
|
}
|
|
if (! (DoWaitingReadTCP(4))) {
|
|
success = FALSE;
|
|
goto UnloadCrypto;
|
|
}
|
|
|
|
HLock(readBufferHndl);
|
|
if ((**readBufferHndl) == statusOK) {
|
|
success = TRUE;
|
|
goto UnloadCrypto;
|
|
}
|
|
else if ((**readBufferHndl) == statusFailed) {
|
|
InitCursor();
|
|
AlertWindow(awResource, NULL, authFailedError);
|
|
alerted = TRUE;
|
|
success = FALSE;
|
|
goto UnloadCrypto;
|
|
}
|
|
else if ((**readBufferHndl) == statusTooMany) {
|
|
InitCursor();
|
|
AlertWindow(awResource, NULL, authTooManyError);
|
|
alerted = TRUE;
|
|
success = FALSE;
|
|
goto UnloadCrypto;
|
|
}
|
|
/* else */
|
|
success = FALSE;
|
|
|
|
UnloadCrypto:
|
|
|
|
HUnlock(readBufferHndl);
|
|
|
|
if (startedCrypto) {
|
|
CryptoShutDown(); /* Shut down Crypto tool set */
|
|
DisposeHandle(dpSpace);
|
|
UnloadOneTool(129);
|
|
}
|
|
return success;
|
|
|
|
#undef statusOK
|
|
#undef statusFailed
|
|
#undef statusTooMany
|
|
#undef SwitchBits
|
|
}
|
|
|
|
/**********************************************************************
|
|
* FinishVNCHandshaking() - Complete VNC protocol initialization
|
|
**********************************************************************/
|
|
static BOOLEAN FinishVNCHandshaking (void) {
|
|
#define screenTooBigError 2010
|
|
unsigned char sharedFlag;
|
|
unsigned long serverNameLen;
|
|
unsigned long encodingInfoSize;
|
|
struct PixelFormat {
|
|
unsigned char messageType;
|
|
unsigned char padding1;
|
|
unsigned int padding2;
|
|
unsigned char bitsPerPixel;
|
|
unsigned char depth;
|
|
unsigned char bigEndianFlag;
|
|
unsigned char trueColorFlag;
|
|
unsigned int redMax;
|
|
unsigned int greenMax;
|
|
unsigned int blueMax;
|
|
unsigned char redShift;
|
|
unsigned char greenShift;
|
|
unsigned char blueShift;
|
|
unsigned char padding3;
|
|
unsigned int padding4;
|
|
} pixelFormat = {
|
|
0 /* message type - SetPixelFormat */,
|
|
0,0 /* padding */,
|
|
8 /* bpp */,
|
|
8 /* depth */,
|
|
0 /* big endian flag - irrelevant */,
|
|
TRUE /* true color flag */,
|
|
SwapBytes2(7) /* red-max */,
|
|
SwapBytes2(7) /* green-max */,
|
|
SwapBytes2(3) /* blue-max */,
|
|
0 /* red-shift */,
|
|
3 /* green-shift */,
|
|
6 /* blue-shift */,
|
|
0,0 /* padding */
|
|
};
|
|
|
|
struct Encodings {
|
|
unsigned char messageType;
|
|
unsigned char padding;
|
|
unsigned int numberOfEncodings;
|
|
unsigned long firstEncoding;
|
|
unsigned long secondEncoding;
|
|
unsigned long thirdEncoding;
|
|
unsigned long fourthEncoding;
|
|
} encodings = {
|
|
2, /* Message Type - SetEncodings */
|
|
0, /* padding */
|
|
0, /* number of encodings - set below */
|
|
SwapBytes4(0xffffff21), /* DesktopSize pseudo-encoding */
|
|
SwapBytes4(0xffffff11), /* Cursor pseudo-encoding */
|
|
SwapBytes4(1), /* CopyRect encoding */
|
|
SwapBytes4(5) /* Hextile encoding */
|
|
/* Per the spec, raw encoding is supported even though
|
|
* it is not listed here explicitly.
|
|
*/
|
|
};
|
|
|
|
DisplayConnectStatus("\pNegotiating protocol options...", FALSE);
|
|
|
|
/* ClientInitialisation */
|
|
sharedFlag = !!requestSharedSession;
|
|
if (TCPIPWriteTCP(hostIpid, &sharedFlag, sizeof(sharedFlag), TRUE, FALSE))
|
|
return FALSE;
|
|
if (toolerror())
|
|
return FALSE;
|
|
|
|
/* ServerInitialisation */
|
|
if (! DoWaitingReadTCP(2))
|
|
return FALSE;
|
|
HLock(readBufferHndl);
|
|
fbWidth = SwapBytes2(**(unsigned **)readBufferHndl);
|
|
HUnlock(readBufferHndl);
|
|
if (! DoWaitingReadTCP(2))
|
|
return FALSE;
|
|
HLock(readBufferHndl);
|
|
fbHeight = SwapBytes2(**(unsigned **)readBufferHndl);
|
|
HUnlock(readBufferHndl);
|
|
|
|
if ((fbWidth > 16384) || (fbHeight > 16384)) {
|
|
AlertWindow(awResource, NULL, screenTooBigError);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Ignore server's pixel format and display name */
|
|
if (! DoWaitingReadTCP(16))
|
|
return FALSE;
|
|
if (! DoWaitingReadTCP(4))
|
|
return FALSE;
|
|
HLock(readBufferHndl);
|
|
serverNameLen = SwapBytes4(**(unsigned long **)readBufferHndl);
|
|
HUnlock(readBufferHndl);
|
|
if (! DoWaitingReadTCP(serverNameLen))
|
|
return FALSE;
|
|
|
|
if (TCPIPWriteTCP(hostIpid, &pixelFormat.messageType, sizeof(pixelFormat),
|
|
TRUE, FALSE))
|
|
return FALSE;
|
|
if (toolerror())
|
|
return FALSE;
|
|
|
|
if (useHextile) {
|
|
encodings.numberOfEncodings = SwapBytes2(4);
|
|
encodingInfoSize = sizeof(encodings);
|
|
} else {
|
|
/* No Hextile */
|
|
encodings.numberOfEncodings = SwapBytes2(3);
|
|
encodingInfoSize = sizeof(encodings) - 4;
|
|
}
|
|
|
|
if (TCPIPWriteTCP(hostIpid, &encodings.messageType, encodingInfoSize,
|
|
TRUE, FALSE))
|
|
return FALSE;
|
|
if (toolerror())
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
#undef screenTooBigError
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* CloseTCPConnection() - Close the TCP connection to the host
|
|
**********************************************************************/
|
|
void CloseTCPConnection (void) {
|
|
TCPIPCloseTCP(hostIpid);
|
|
WaitCursor();
|
|
DisplayConnectStatus("\pClosing VNC session...", FALSE);
|
|
do {
|
|
TCPIPPoll();
|
|
TCPIPLogout(hostIpid);
|
|
} while (toolerror() == terrSOCKETOPEN);
|
|
CloseConnectStatusWindow();
|
|
InitCursor();
|
|
}
|