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authorConstantin Kaplinsky <const@tightvnc.com>2006-05-25 05:12:25 +0000
committerConstantin Kaplinsky <const@tightvnc.com>2006-05-25 05:12:25 +0000
commit729598cb00d791bbdfe23ebe0023d3a1c3962f83 (patch)
treeffe1b87705a0541998b8d7c44ea75dc4702dc515 /win/winvnc/VNCServerWin32.cxx
parentb30ae7facbdf8273f34f5d67d3d2e9c81db75576 (diff)
downloadtigervnc-729598cb00d791bbdfe23ebe0023d3a1c3962f83.tar.gz
tigervnc-729598cb00d791bbdfe23ebe0023d3a1c3962f83.zip
Migrating to new directory structure adopted from the RealVNC's source tree. More changes will follow.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@591 3789f03b-4d11-0410-bbf8-ca57d06f2519
Diffstat (limited to 'win/winvnc/VNCServerWin32.cxx')
-rw-r--r--win/winvnc/VNCServerWin32.cxx333
1 files changed, 333 insertions, 0 deletions
diff --git a/win/winvnc/VNCServerWin32.cxx b/win/winvnc/VNCServerWin32.cxx
new file mode 100644
index 00000000..3b0e1a0a
--- /dev/null
+++ b/win/winvnc/VNCServerWin32.cxx
@@ -0,0 +1,333 @@
+/* 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.
+ */
+
+// -=- WinVNC Version 4.0 Main Routine
+
+#include <winvnc/VNCServerWin32.h>
+#include <winvnc/resource.h>
+#include <winvnc/STrayIcon.h>
+#include <rfb_win32/ComputerName.h>
+#include <rfb_win32/CurrentUser.h>
+#include <rfb_win32/Service.h>
+#include <rfb/SSecurityFactoryStandard.h>
+#include <rfb/Hostname.h>
+#include <rfb/LogWriter.h>
+#include <rfb_win32/SFileTransferWin32.h>
+
+using namespace rfb;
+using namespace win32;
+using namespace winvnc;
+using namespace network;
+
+static LogWriter vlog("VNCServerWin32");
+
+
+const TCHAR* winvnc::VNCServerWin32::RegConfigPath = _T("Software\\TightVNC\\WinVNC4");
+
+// FIXME: Move into an .h file?
+extern const UINT VNCM_FT_DOWNLOAD;
+
+
+static IntParameter http_port("HTTPPortNumber",
+ "TCP/IP port on which the server will serve the Java applet VNC Viewer ", 5800);
+static IntParameter port_number("PortNumber",
+ "TCP/IP port on which the server will accept connections", 5900);
+static StringParameter hosts("Hosts",
+ "Filter describing which hosts are allowed access to this server", "+0.0.0.0/0.0.0.0");
+static BoolParameter localHost("LocalHost",
+ "Only accept connections from via the local loop-back network interface", false);
+static BoolParameter queryOnlyIfLoggedOn("QueryOnlyIfLoggedOn",
+ "Only prompt for a local user to accept incoming connections if there is a user logged on", false);
+
+
+VNCServerWin32::VNCServerWin32()
+ : command(NoCommand), commandSig(commandLock),
+ commandEvent(CreateEvent(0, TRUE, FALSE, 0)),
+ vncServer(CStr(ComputerName().buf), &desktop),
+ hostThread(0), runServer(false), isDesktopStarted(false),
+ httpServer(&vncServer), config(&sockMgr), trayIcon(0),
+ rfbSock(&sockMgr), httpSock(&sockMgr),
+ queryConnectDialog(0)
+{
+ // Initialise the desktop
+ desktop.setStatusLocation(&isDesktopStarted);
+
+ // Initialise the VNC server
+ vncServer.setQueryConnectionHandler(this);
+
+ // Register the desktop's event to be handled
+ sockMgr.addEvent(desktop.getUpdateEvent(), &desktop);
+
+ // Register the queued command event to be handled
+ sockMgr.addEvent(commandEvent, this);
+
+ vncServer.setFTManager((rfb::SFileTransferManager *)&m_FTManager);
+}
+
+VNCServerWin32::~VNCServerWin32() {
+ delete trayIcon;
+
+ // Stop the SDisplay from updating our state
+ desktop.setStatusLocation(0);
+
+ // Join the Accept/Reject dialog thread
+ if (queryConnectDialog)
+ delete queryConnectDialog->join();
+}
+
+
+void VNCServerWin32::processAddressChange(network::SocketListener* sock_) {
+ if (!trayIcon || (sock_ != rfbSock.sock))
+ return;
+
+ // Tool-tip prefix depends on server mode
+ const TCHAR* prefix = _T("VNC Server (User):");
+ if (isServiceProcess())
+ prefix = _T("VNC Server (Service):");
+
+ // Fetch the list of addresses
+ std::list<char*> addrs;
+ if (rfbSock.sock)
+ rfbSock.sock->getMyAddresses(&addrs);
+ else
+ addrs.push_front(strDup("Not accepting connections"));
+
+ // Allocate space for the new tip
+ std::list<char*>::iterator i, next_i;
+ int length = _tcslen(prefix)+1;
+ for (i=addrs.begin(); i!= addrs.end(); i++)
+ length += strlen(*i) + 1;
+
+ // Build the new tip
+ TCharArray toolTip(length);
+ _tcscpy(toolTip.buf, prefix);
+ for (i=addrs.begin(); i!= addrs.end(); i=next_i) {
+ next_i = i; next_i ++;
+ TCharArray addr = *i; // Assumes ownership of string
+ _tcscat(toolTip.buf, addr.buf);
+ if (next_i != addrs.end())
+ _tcscat(toolTip.buf, _T(","));
+ }
+
+ // Pass the new tip to the tray icon
+ vlog.info("Refreshing tray icon");
+ trayIcon->setToolTip(toolTip.buf);
+}
+
+void VNCServerWin32::regConfigChanged() {
+ // -=- Make sure we're listening on the right ports.
+ rfbSock.setServer(&vncServer);
+ rfbSock.setPort(port_number, localHost);
+ httpSock.setServer(&httpServer);
+ httpSock.setPort(http_port, localHost);
+
+ // -=- Update the Java viewer's web page port number.
+ httpServer.setRFBport(rfbSock.sock ? port_number : 0);
+
+ // -=- Update the TCP address filter for both ports, if open.
+ CharArray pattern(hosts.getData());
+ rfbSock.setFilter(pattern.buf);
+ httpSock.setFilter(pattern.buf);
+
+ // -=- Update the tray icon tooltip text with IP addresses
+ processAddressChange(rfbSock.sock);
+}
+
+
+int VNCServerWin32::run() {
+ { Lock l(runLock);
+ hostThread = Thread::self();
+ runServer = true;
+ }
+
+ // - Create the tray icon (if possible)
+ trayIcon = new STrayIconThread(*this, IDI_ICON, IDI_CONNECTED,
+ IDI_ICON_DISABLE, IDI_CONNECTED_DISABLE,
+ IDR_TRAY);
+
+ // - Register for notification of configuration changes
+ config.setCallback(this);
+ if (isServiceProcess())
+ config.setKey(HKEY_LOCAL_MACHINE, RegConfigPath);
+ else
+ config.setKey(HKEY_CURRENT_USER, RegConfigPath);
+
+ // - Set the address-changed handler for the RFB socket
+ rfbSock.setAddressChangeNotifier(this);
+
+ DWORD result = 0;
+ try {
+ vlog.debug("Entering message loop");
+
+ // - Run the server until we're told to quit
+ MSG msg;
+ int result = 0;
+ while (runServer) {
+ result = sockMgr.getMessage(&msg, NULL, 0, 0);
+ if (result < 0)
+ throw rdr::SystemException("getMessage", GetLastError());
+ if (!isServiceProcess() && (result == 0))
+ break;
+ if (msg.message == VNCM_FT_DOWNLOAD)
+ m_FTManager.processDownloadMsg(msg);
+ TranslateMessage(&msg);
+ DispatchMessage(&msg);
+ }
+
+ vlog.debug("Server exited cleanly");
+ } catch (rdr::SystemException &s) {
+ vlog.error(s.str());
+ result = s.err;
+ } catch (rdr::Exception &e) {
+ vlog.error(e.str());
+ }
+
+ { Lock l(runLock);
+ runServer = false;
+ hostThread = 0;
+ }
+
+ return result;
+}
+
+void VNCServerWin32::stop() {
+ Lock l(runLock);
+ runServer = false;
+ if (hostThread)
+ PostThreadMessage(hostThread->getThreadId(), WM_QUIT, 0, 0);
+}
+
+
+bool VNCServerWin32::disconnectClients(const char* reason) {
+ return queueCommand(DisconnectClients, reason, 0);
+}
+
+bool VNCServerWin32::addNewClient(const char* client) {
+ TcpSocket* sock = 0;
+ try {
+ CharArray hostname;
+ int port;
+ getHostAndPort(client, &hostname.buf, &port, 5500);
+ vlog.error("port=%d", port);
+ sock = new TcpSocket(hostname.buf, port);
+ if (queueCommand(AddClient, sock, 0))
+ return true;
+ delete sock;
+ } catch (...) {
+ delete sock;
+ }
+ return false;
+}
+
+bool VNCServerWin32::getClientsInfo(rfb::ListConnInfo* LCInfo) {
+ return queueCommand(GetClientsInfo, LCInfo, 0);
+}
+
+bool VNCServerWin32::setClientsStatus(rfb::ListConnInfo* LCInfo) {
+ return queueCommand(SetClientsStatus, LCInfo, 0);
+}
+
+VNCServerST::queryResult VNCServerWin32::queryConnection(network::Socket* sock,
+ const char* userName,
+ char** reason)
+{
+ if (queryOnlyIfLoggedOn && CurrentUserToken().noUserLoggedOn())
+ return VNCServerST::ACCEPT;
+ if (queryConnectDialog) {
+ *reason = rfb::strDup("Another connection is currently being queried.");
+ return VNCServerST::REJECT;
+ }
+ queryConnectDialog = new QueryConnectDialog(sock, userName, this);
+ queryConnectDialog->startDialog();
+ return VNCServerST::PENDING;
+}
+
+void VNCServerWin32::queryConnectionComplete() {
+ queueCommand(QueryConnectionComplete, 0, 0, false);
+}
+
+
+bool VNCServerWin32::queueCommand(Command cmd, const void* data, int len, bool wait) {
+ Lock l(commandLock);
+ while (command != NoCommand)
+ commandSig.wait();
+ command = cmd;
+ commandData = data;
+ commandDataLen = len;
+ SetEvent(commandEvent);
+ if (wait) {
+ while (command != NoCommand)
+ commandSig.wait();
+ commandSig.signal();
+ }
+ return true;
+}
+
+void VNCServerWin32::processEvent(HANDLE event_) {
+ ResetEvent(event_);
+
+ if (event_ == commandEvent.h) {
+ // If there is no command queued then return immediately
+ {
+ Lock l(commandLock);
+ if (command == NoCommand)
+ return;
+ }
+
+ // Perform the required command
+ switch (command) {
+
+ case DisconnectClients:
+ // Disconnect all currently active VNC Viewers
+ vncServer.closeClients((const char*)commandData);
+ break;
+
+ case AddClient:
+ // Make a reverse connection to a VNC Viewer
+ sockMgr.addSocket((network::Socket*)commandData, &vncServer);
+ break;
+ case GetClientsInfo:
+ vncServer.getConnInfo((ListConnInfo*)commandData);
+ break;
+ case SetClientsStatus:
+ vncServer.setConnStatus((ListConnInfo*)commandData);
+ break;
+
+ case QueryConnectionComplete:
+ // The Accept/Reject dialog has completed
+ // Get the result, then clean it up
+ vncServer.approveConnection(queryConnectDialog->getSock(),
+ queryConnectDialog->isAccepted(),
+ "Connection rejected by user");
+ delete queryConnectDialog->join();
+ queryConnectDialog = 0;
+ break;
+
+ default:
+ vlog.error("unknown command %d queued", command);
+ };
+
+ // Clear the command and signal completion
+ {
+ Lock l(commandLock);
+ command = NoCommand;
+ commandSig.signal();
+ }
+ }
+}
+