- /* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
- #include <vncconfig/Legacy.h>
-
- #include <rfb/LogWriter.h>
- #include <rfb_win32/CurrentUser.h>
-
- using namespace rfb;
- using namespace win32;
-
- static LogWriter vlog("Legacy");
-
-
- void LegacyPage::LoadPrefs()
- {
- // VNC 3.3.3R3 Preferences Algorithm, as described by vncProperties.cpp
- // - Load user-specific settings, based on logged-on user name,
- // from HKLM/Software/ORL/WinVNC3/<user>. If they don't exist,
- // try again with username "Default".
- // - Load system-wide settings from HKLM/Software/ORL/WinVNC3.
- // - If AllowProperties is non-zero then load the user's own
- // settings from HKCU/Software/ORL/WinVNC3.
-
- // Get the name of the current user
- CharArray username;
- try {
- UserName name;
- username.buf = name.takeBuf();
- } catch (rdr::SystemException& e) {
- if (e.err != ERROR_NOT_LOGGED_ON)
- throw;
- }
-
- // Open and read the WinVNC3 registry key
- allowProperties = true;
- RegKey winvnc3;
- try {
- winvnc3.openKey(HKEY_LOCAL_MACHINE, "Software\\ORL\\WinVNC3");
- int debugMode = winvnc3.getInt("DebugMode", 0);
- const char* debugTarget = 0;
- if (debugMode & 2) debugTarget = "file";
- if (debugMode & 4) debugTarget = "stderr";
- if (debugTarget) {
- char logSetting[32];
- sprintf(logSetting, "*:%s:%d", debugTarget, winvnc3.getInt("DebugLevel", 0));
- regKey.setString("Log", logSetting);
- }
-
- std::string authHosts = winvnc3.getString("AuthHosts", "");
- if (!authHosts.empty()) {
- CharArray newHosts;
- newHosts.buf = strDup("");
-
- // Reformat AuthHosts to Hosts. Wish I'd left the format the same. :( :( :(
- try {
- CharArray tmp(strDup(authHosts.c_str()));
- while (tmp.buf) {
-
- // Split the AuthHosts string into patterns to match
- CharArray first;
- rfb::strSplit(tmp.buf, ':', &first.buf, &tmp.buf);
- if (strlen(first.buf)) {
- int bits = 0;
- char pattern[1+4*4+4];
- pattern[0] = first.buf[0];
- pattern[1] = 0;
-
- // Split the pattern into IP address parts and process
- rfb::CharArray address;
- address.buf = rfb::strDup(&first.buf[1]);
- while (address.buf) {
- rfb::CharArray part;
- rfb::strSplit(address.buf, '.', &part.buf, &address.buf);
- if (bits)
- strcat(pattern, ".");
- if (strlen(part.buf) > 3)
- throw rdr::Exception("Invalid IP address part");
- if (strlen(part.buf) > 0) {
- strcat(pattern, part.buf);
- bits += 8;
- }
- }
-
- // Pad out the address specification if required
- int addrBits = bits;
- while (addrBits < 32) {
- if (addrBits) strcat(pattern, ".");
- strcat(pattern, "0");
- addrBits += 8;
- }
-
- // Append the number of bits to match
- char buf[4];
- sprintf(buf, "/%d", bits);
- strcat(pattern, buf);
-
- // Append this pattern to the Hosts value
- int length = strlen(newHosts.buf) + strlen(pattern) + 2;
- CharArray tmpHosts(length);
- strcpy(tmpHosts.buf, pattern);
- if (strlen(newHosts.buf)) {
- strcat(tmpHosts.buf, ",");
- strcat(tmpHosts.buf, newHosts.buf);
- }
- delete [] newHosts.buf;
- newHosts.buf = tmpHosts.takeBuf();
- }
- }
-
- // Finally, save the Hosts value
- regKey.setString("Hosts", newHosts.buf);
- } catch (rdr::Exception&) {
- MsgBox(0, "Unable to convert AuthHosts setting to Hosts format.",
- MB_ICONWARNING | MB_OK);
- }
- } else {
- regKey.setString("Hosts", "+");
- }
-
- regKey.setBool("LocalHost", winvnc3.getBool("LoopbackOnly", false));
- // *** check AllowLoopback?
-
- if (winvnc3.getBool("AuthRequired", true))
- regKey.setString("SecurityTypes", "VncAuth");
- else
- regKey.setString("SecurityTypes", "None");
-
- int connectPriority = winvnc3.getInt("ConnectPriority", 0);
- regKey.setBool("DisconnectClients", connectPriority == 0);
- regKey.setBool("AlwaysShared", connectPriority == 1);
- regKey.setBool("NeverShared", connectPriority == 2);
-
- } catch(rdr::Exception&) {
- }
-
- // Open the local, default-user settings
- allowProperties = true;
- try {
- RegKey userKey;
- userKey.openKey(winvnc3, "Default");
- vlog.info("loading Default prefs");
- LoadUserPrefs(userKey);
- } catch(rdr::Exception& e) {
- vlog.error("error reading Default settings:%s", e.str());
- }
-
- // Open the local, user-specific settings
- if (userSettings && username.buf) {
- try {
- RegKey userKey;
- userKey.openKey(winvnc3, username.buf);
- vlog.info("loading local User prefs");
- LoadUserPrefs(userKey);
- } catch(rdr::Exception& e) {
- vlog.error("error reading local User settings:%s", e.str());
- }
-
- // Open the user's own settings
- if (allowProperties) {
- try {
- RegKey userKey;
- userKey.openKey(HKEY_CURRENT_USER, "Software\\ORL\\WinVNC3");
- vlog.info("loading global User prefs");
- LoadUserPrefs(userKey);
- } catch(rdr::Exception& e) {
- vlog.error("error reading global User settings:%s", e.str());
- }
- }
- }
-
- // Disable the Options menu item if appropriate
- regKey.setBool("DisableOptions", !allowProperties);
- }
-
- void LegacyPage::LoadUserPrefs(const RegKey& key)
- {
- regKey.setInt("PortNumber", key.getBool("SocketConnect") ? key.getInt("PortNumber", 5900) : 0);
- if (key.getBool("AutoPortSelect", false)) {
- MsgBox(0, "The AutoPortSelect setting is not supported by this release."
- "The port number will default to 5900.",
- MB_ICONWARNING | MB_OK);
- regKey.setInt("PortNumber", 5900);
- }
- regKey.setInt("IdleTimeout", key.getInt("IdleTimeout", 0));
-
- regKey.setBool("RemoveWallpaper", key.getBool("RemoveWallpaper"));
- regKey.setBool("DisableEffects", key.getBool("DisableEffects"));
-
- if (key.getInt("QuerySetting", 2) != 2) {
- regKey.setBool("QueryConnect", key.getInt("QuerySetting") > 2);
- MsgBox(0, "The QuerySetting option has been replaced by QueryConnect."
- "Please see the documentation for details of the QueryConnect option.",
- MB_ICONWARNING | MB_OK);
- }
- regKey.setInt("QueryTimeout", key.getInt("QueryTimeout", 10));
-
- std::vector<uint8_t> passwd;
- passwd = key.getBinary("Password");
- regKey.setBinary("Password", passwd.data(), passwd.size());
-
- bool enableInputs = key.getBool("InputsEnabled", true);
- regKey.setBool("AcceptKeyEvents", enableInputs);
- regKey.setBool("AcceptPointerEvents", enableInputs);
- regKey.setBool("AcceptCutText", enableInputs);
- regKey.setBool("SendCutText", enableInputs);
-
- switch (key.getInt("LockSetting", 0)) {
- case 0: regKey.setString("DisconnectAction", "None"); break;
- case 1: regKey.setString("DisconnectAction", "Lock"); break;
- case 2: regKey.setString("DisconnectAction", "Logoff"); break;
- };
-
- regKey.setBool("DisableLocalInputs", key.getBool("LocalInputsDisabled", false));
-
- // *** ignore polling preferences
- // PollUnderCursor, PollForeground, OnlyPollConsole, OnlyPollOnEvent
- regKey.setBool("UseHooks", !key.getBool("PollFullScreen", false));
-
- if (key.isValue("AllowShutdown"))
- MsgBox(0, "The AllowShutdown option is not supported by this release.", MB_ICONWARNING | MB_OK);
- if (key.isValue("AllowEditClients"))
- MsgBox(0, "The AllowEditClients option is not supported by this release.", MB_ICONWARNING | MB_OK);
-
- allowProperties = key.getBool("AllowProperties", allowProperties);
- }
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