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matt
247
win/vncconfig/Legacy.cxx
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247
win/vncconfig/Legacy.cxx
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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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#include <vncconfig/Legacy.h>
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#include <rfb/LogWriter.h>
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#include <rfb/Password.h>
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#include <rfb_win32/CurrentUser.h>
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using namespace rfb;
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using namespace win32;
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static LogWriter vlog("Legacy");
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void LegacyPage::LoadPrefs()
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{
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// VNC 3.3.3R3 Preferences Algorithm, as described by vncProperties.cpp
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// - Load user-specific settings, based on logged-on user name,
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// from HKLM/Software/ORL/WinVNC3/<user>. If they don't exist,
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// try again with username "Default".
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// - Load system-wide settings from HKLM/Software/ORL/WinVNC3.
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// - If AllowProperties is non-zero then load the user's own
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// settings from HKCU/Software/ORL/WinVNC3.
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// Get the name of the current user
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TCharArray username;
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try {
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UserName name;
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username.buf = name.takeBuf();
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} catch (rdr::SystemException& e) {
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if (e.err != ERROR_NOT_LOGGED_ON)
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throw;
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}
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// Open and read the WinVNC3 registry key
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allowProperties = true;
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RegKey winvnc3;
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try {
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winvnc3.openKey(HKEY_LOCAL_MACHINE, _T("Software\\ORL\\WinVNC3"));
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int debugMode = winvnc3.getInt(_T("DebugMode"), 0);
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const char* debugTarget = 0;
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if (debugMode & 2) debugTarget = "file";
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if (debugMode & 4) debugTarget = "stderr";
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if (debugTarget) {
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char logSetting[32];
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sprintf(logSetting, "*:%s:%d", debugTarget, winvnc3.getInt(_T("DebugLevel"), 0));
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regKey.setString(_T("Log"), TStr(logSetting));
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}
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TCharArray authHosts;
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authHosts.buf = winvnc3.getString(_T("AuthHosts"), 0);
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if (authHosts.buf) {
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CharArray newHosts;
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newHosts.buf = strDup("");
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// Reformat AuthHosts to Hosts. Wish I'd left the format the same. :( :( :(
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try {
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CharArray tmp(authHosts.buf);
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while (tmp.buf) {
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// Split the AuthHosts string into patterns to match
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CharArray first;
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rfb::strSplit(tmp.buf, ':', &first.buf, &tmp.buf);
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if (strlen(first.buf)) {
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int bits = 0;
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CharArray pattern(1+4*4+4);
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pattern.buf[0] = first.buf[0];
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pattern.buf[1] = 0;
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// Split the pattern into IP address parts and process
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rfb::CharArray address;
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address.buf = rfb::strDup(&first.buf[1]);
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while (address.buf) {
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rfb::CharArray part;
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rfb::strSplit(address.buf, '.', &part.buf, &address.buf);
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if (bits)
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strcat(pattern.buf, ".");
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if (strlen(part.buf) > 3)
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throw rdr::Exception("Invalid IP address part");
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if (strlen(part.buf) > 0) {
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strcat(pattern.buf, part.buf);
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bits += 8;
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}
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}
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// Pad out the address specification if required
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int addrBits = bits;
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while (addrBits < 32) {
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if (addrBits) strcat(pattern.buf, ".");
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strcat(pattern.buf, "0");
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addrBits += 8;
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}
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// Append the number of bits to match
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char buf[4];
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sprintf(buf, "/%d", bits);
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strcat(pattern.buf, buf);
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// Append this pattern to the Hosts value
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int length = strlen(newHosts.buf) + strlen(pattern.buf) + 2;
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CharArray tmpHosts(length);
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strcpy(tmpHosts.buf, pattern.buf);
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if (strlen(newHosts.buf)) {
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strcat(tmpHosts.buf, ",");
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strcat(tmpHosts.buf, newHosts.buf);
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}
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delete [] newHosts.buf;
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newHosts.buf = tmpHosts.takeBuf();
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}
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}
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// Finally, save the Hosts value
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regKey.setString(_T("Hosts"), TStr(newHosts.buf));
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} catch (rdr::Exception&) {
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MsgBox(0, _T("Unable to convert AuthHosts setting to Hosts format."),
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MB_ICONWARNING | MB_OK);
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}
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} else {
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regKey.setString(_T("Hosts"), _T("+"));
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}
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regKey.setBool(_T("LocalHost"), winvnc3.getBool(_T("LoopbackOnly"), false));
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// *** check AllowLoopback?
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if (winvnc3.getBool(_T("AuthRequired"), true))
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regKey.setString(_T("SecurityTypes"), _T("VncAuth"));
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else
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regKey.setString(_T("SecurityTypes"), _T("None"));
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int connectPriority = winvnc3.getInt(_T("ConnectPriority"), 0);
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regKey.setBool(_T("DisconnectClients"), connectPriority == 0);
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regKey.setBool(_T("AlwaysShared"), connectPriority == 1);
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regKey.setBool(_T("NeverShared"), connectPriority == 2);
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} catch(rdr::Exception&) {
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}
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// Open the local, default-user settings
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allowProperties = true;
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try {
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RegKey userKey;
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userKey.openKey(winvnc3, _T("Default"));
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vlog.info("loading Default prefs");
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LoadUserPrefs(userKey);
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} catch(rdr::Exception& e) {
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vlog.error("error reading Default settings:%s", e.str());
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}
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// Open the local, user-specific settings
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if (userSettings && username.buf) {
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try {
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RegKey userKey;
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userKey.openKey(winvnc3, username.buf);
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vlog.info("loading local User prefs");
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LoadUserPrefs(userKey);
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} catch(rdr::Exception& e) {
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vlog.error("error reading local User settings:%s", e.str());
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}
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// Open the user's own settings
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if (allowProperties) {
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try {
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RegKey userKey;
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userKey.openKey(HKEY_CURRENT_USER, _T("Software\\ORL\\WinVNC3"));
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vlog.info("loading global User prefs");
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LoadUserPrefs(userKey);
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} catch(rdr::Exception& e) {
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vlog.error("error reading global User settings:%s", e.str());
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}
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}
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}
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// Disable the Options menu item if appropriate
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regKey.setBool(_T("DisableOptions"), !allowProperties);
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}
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void LegacyPage::LoadUserPrefs(const RegKey& key)
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{
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if (key.getBool(_T("HTTPConnect"), true))
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regKey.setInt(_T("HTTPPortNumber"), key.getInt(_T("PortNumber"), 5900)-100);
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else
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regKey.setInt(_T("HTTPPortNumber"), 0);
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regKey.setInt(_T("PortNumber"), key.getBool(_T("SocketConnect")) ? key.getInt(_T("PortNumber"), 5900) : 0);
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if (key.getBool(_T("AutoPortSelect"), false)) {
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MsgBox(0, _T("The AutoPortSelect setting is not supported by this release.")
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_T("The port number will default to 5900."),
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MB_ICONWARNING | MB_OK);
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regKey.setInt(_T("PortNumber"), 5900);
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}
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regKey.setInt(_T("IdleTimeout"), key.getInt(_T("IdleTimeout"), 0));
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regKey.setBool(_T("RemoveWallpaper"), key.getBool(_T("RemoveWallpaper")));
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regKey.setBool(_T("DisableEffects"), key.getBool(_T("DisableEffects")));
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if (key.getInt(_T("QuerySetting"), 2) != 2) {
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regKey.setBool(_T("QueryConnect"), key.getInt(_T("QuerySetting")) > 2);
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MsgBox(0, _T("The QuerySetting option has been replaced by QueryConnect.")
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_T("Please see the documentation for details of the QueryConnect option."),
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MB_ICONWARNING | MB_OK);
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}
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regKey.setInt(_T("QueryTimeout"), key.getInt(_T("QueryTimeout"), 10));
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ObfuscatedPasswd passwd;
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key.getBinary(_T("Password"), (void**)&passwd.buf, &passwd.length, 0, 0);
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regKey.setBinary(_T("Password"), passwd.buf, passwd.length);
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bool enableInputs = key.getBool(_T("InputsEnabled"), true);
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regKey.setBool(_T("AcceptKeyEvents"), enableInputs);
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regKey.setBool(_T("AcceptPointerEvents"), enableInputs);
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regKey.setBool(_T("AcceptCutText"), enableInputs);
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regKey.setBool(_T("SendCutText"), enableInputs);
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switch (key.getInt(_T("LockSetting"), 0)) {
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case 0: regKey.setString(_T("DisconnectAction"), _T("None")); break;
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case 1: regKey.setString(_T("DisconnectAction"), _T("Lock")); break;
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case 2: regKey.setString(_T("DisconnectAction"), _T("Logoff")); break;
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};
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regKey.setBool(_T("DisableLocalInputs"), key.getBool(_T("LocalInputsDisabled"), false));
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// *** ignore polling preferences
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// PollUnderCursor, PollForeground, OnlyPollConsole, OnlyPollOnEvent
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regKey.setBool(_T("UseHooks"), !key.getBool(_T("PollFullScreen"), false));
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if (key.isValue(_T("AllowShutdown")))
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MsgBox(0, _T("The AllowShutdown option is not supported by this release."), MB_ICONWARNING | MB_OK);
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if (key.isValue(_T("AllowEditClients")))
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MsgBox(0, _T("The AllowEditClients option is not supported by this release."), MB_ICONWARNING | MB_OK);
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allowProperties = key.getBool(_T("AllowProperties"), allowProperties);
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}
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