mirror of
https://github.com/kasmtech/KasmVNC.git
synced 2024-11-07 16:54:13 +01:00
336 lines
10 KiB
C++
336 lines
10 KiB
C++
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
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* Copyright 2012-2016 Pierre Ossman for Cendio AB
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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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//
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// VNC server configuration utility
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//
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <errno.h>
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#include <signal.h>
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#include <X11/X.h>
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include <X11/Xutil.h>
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#include <X11/keysym.h>
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#include "vncExt.h"
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#include <rdr/Exception.h>
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#include <rfb/Configuration.h>
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#include <rfb/Logger_stdio.h>
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#include <rfb/LogWriter.h>
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#include "TXWindow.h"
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#include "TXCheckbox.h"
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#include "TXLabel.h"
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#include "QueryConnectDialog.h"
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using namespace rfb;
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LogWriter vlog("vncconfig");
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StringParameter displayname("display", "The X display", "");
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BoolParameter noWindow("nowin", "Don't display a window", 0);
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BoolParameter iconic("iconic", "Start with window iconified", 0);
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#define ACCEPT_CUT_TEXT "AcceptCutText"
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#define SEND_CUT_TEXT "SendCutText"
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#define SET_PRIMARY "SetPrimary"
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#define SEND_PRIMARY "SendPrimary"
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char* programName = 0;
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Display* dpy;
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int vncExtEventBase, vncExtErrorBase;
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static bool getBoolParam(Display* dpy, const char* param) {
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char* data;
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int len;
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if (XVncExtGetParam(dpy, param, &data, &len)) {
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if (strcmp(data,"1") == 0) return true;
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}
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return false;
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}
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class VncConfigWindow : public TXWindow, public TXEventHandler,
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public TXDeleteWindowCallback,
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public TXCheckboxCallback,
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public QueryResultCallback {
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public:
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VncConfigWindow(Display* dpy)
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: TXWindow(dpy, 300, 100),
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acceptClipboard(dpy, "Accept clipboard from viewers", this, false, this),
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setPrimaryCB(dpy, "Also set primary selection", this, false, this),
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sendClipboard(dpy, "Send clipboard to viewers", this, false, this),
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sendPrimaryCB(dpy, "Send primary selection to viewers", this,false,this),
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queryConnectDialog(0)
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{
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int y = yPad;
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acceptClipboard.move(xPad, y);
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acceptClipboard.checked(getBoolParam(dpy, ACCEPT_CUT_TEXT));
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y += acceptClipboard.height();
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setPrimaryCB.move(xPad + 10, y);
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setPrimaryCB.checked(getBoolParam(dpy, SET_PRIMARY));
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setPrimaryCB.disabled(!acceptClipboard.checked());
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y += setPrimaryCB.height();
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sendClipboard.move(xPad, y);
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sendClipboard.checked(getBoolParam(dpy, SEND_CUT_TEXT));
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y += sendClipboard.height();
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sendPrimaryCB.move(xPad + 10, y);
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sendPrimaryCB.checked(getBoolParam(dpy, SEND_PRIMARY));
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sendPrimaryCB.disabled(!sendClipboard.checked());
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y += sendPrimaryCB.height();
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setEventHandler(this);
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toplevel("VNC config", this, 0, 0, 0, iconic);
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XVncExtSelectInput(dpy, win(), VncExtQueryConnectMask);
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}
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// handleEvent()
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virtual void handleEvent(TXWindow* w, XEvent* ev) {
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if (ev->type == vncExtEventBase + VncExtQueryConnectNotify) {
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vlog.debug("query connection event");
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if (queryConnectDialog)
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delete queryConnectDialog;
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queryConnectDialog = 0;
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char* qcAddress;
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char* qcUser;
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int qcTimeout;
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if (XVncExtGetQueryConnect(dpy, &qcAddress, &qcUser,
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&qcTimeout, &queryConnectId)) {
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if (qcTimeout)
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queryConnectDialog = new QueryConnectDialog(dpy, qcAddress,
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qcUser, qcTimeout,
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this);
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if (queryConnectDialog)
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queryConnectDialog->map();
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XFree(qcAddress);
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XFree(qcUser);
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}
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}
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}
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// TXDeleteWindowCallback method
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virtual void deleteWindow(TXWindow* w) {
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exit(1);
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}
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// TXCheckboxCallback method
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virtual void checkboxSelect(TXCheckbox* checkbox) {
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if (checkbox == &acceptClipboard) {
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XVncExtSetParam(dpy, (acceptClipboard.checked()
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? ACCEPT_CUT_TEXT "=1" : ACCEPT_CUT_TEXT "=0"));
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setPrimaryCB.disabled(!acceptClipboard.checked());
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} else if (checkbox == &sendClipboard) {
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XVncExtSetParam(dpy, (sendClipboard.checked()
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? SEND_CUT_TEXT "=1" : SEND_CUT_TEXT "=0"));
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sendPrimaryCB.disabled(!sendClipboard.checked());
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} else if (checkbox == &setPrimaryCB) {
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XVncExtSetParam(dpy, (setPrimaryCB.checked()
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? SET_PRIMARY "=1" : SET_PRIMARY "=0"));
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} else if (checkbox == &sendPrimaryCB) {
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XVncExtSetParam(dpy, (sendPrimaryCB.checked()
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? SEND_PRIMARY "=1" : SEND_PRIMARY "=0"));
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}
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}
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// QueryResultCallback interface
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virtual void queryApproved() {
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XVncExtApproveConnect(dpy, queryConnectId, 1);
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}
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virtual void queryRejected() {
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XVncExtApproveConnect(dpy, queryConnectId, 0);
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}
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private:
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TXCheckbox acceptClipboard, setPrimaryCB;
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TXCheckbox sendClipboard, sendPrimaryCB;
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QueryConnectDialog* queryConnectDialog;
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void* queryConnectId;
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};
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static void usage()
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{
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fprintf(stderr,"usage: %s [parameters]\n",
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programName);
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fprintf(stderr," %s [parameters] -connect <host>[:<port>]\n",
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programName);
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fprintf(stderr," %s [parameters] -disconnect\n", programName);
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fprintf(stderr," %s [parameters] [-set] <Xvnc-param>=<value> ...\n",
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programName);
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fprintf(stderr," %s [parameters] -list\n", programName);
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fprintf(stderr," %s [parameters] -get <param>\n", programName);
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fprintf(stderr," %s [parameters] -desc <param>\n",programName);
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fprintf(stderr,"\n"
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"Parameters can be turned on with -<param> or off with -<param>=0\n"
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"Parameters which take a value can be specified as "
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"-<param> <value>\n"
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"Other valid forms are <param>=<value> -<param>=<value> "
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"--<param>=<value>\n"
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"Parameter names are case-insensitive. The parameters are:\n\n");
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Configuration::listParams(79, 14);
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exit(1);
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}
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void removeArgs(int* argc, char** argv, int first, int n)
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{
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if (first + n > *argc) return;
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for (int i = first + n; i < *argc; i++)
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argv[i-n] = argv[i];
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*argc -= n;
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}
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int main(int argc, char** argv)
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{
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programName = argv[0];
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rfb::initStdIOLoggers();
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rfb::LogWriter::setLogParams("*:stderr:30");
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// Process vncconfig's own parameters first, then we process the
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// other arguments when we have the X display.
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int i;
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for (i = 1; i < argc; i++) {
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if (Configuration::setParam(argv[i]))
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continue;
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if (argv[i][0] == '-' && i+1 < argc &&
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Configuration::setParam(&argv[i][1], argv[i+1])) {
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i++;
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continue;
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}
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break;
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}
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CharArray displaynameStr(displayname.getData());
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if (!(dpy = XOpenDisplay(displaynameStr.buf))) {
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fprintf(stderr,"%s: unable to open display \"%s\"\n",
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programName, XDisplayName(displaynameStr.buf));
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exit(1);
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}
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if (!XVncExtQueryExtension(dpy, &vncExtEventBase, &vncExtErrorBase)) {
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fprintf(stderr,"No VNC extension on display %s\n",
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XDisplayName(displaynameStr.buf));
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exit(1);
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}
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if (i < argc) {
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for (; i < argc; i++) {
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if (strcmp(argv[i], "-connect") == 0) {
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i++;
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if (i >= argc) usage();
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if (!XVncExtConnect(dpy, argv[i])) {
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fprintf(stderr,"connecting to %s failed\n",argv[i]);
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}
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} else if (strcmp(argv[i], "-disconnect") == 0) {
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if (!XVncExtConnect(dpy, "")) {
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fprintf(stderr,"disconnecting all clients failed\n");
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}
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} else if (strcmp(argv[i], "-get") == 0) {
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i++;
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if (i >= argc) usage();
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char* data;
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int len;
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if (XVncExtGetParam(dpy, argv[i], &data, &len)) {
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printf("%.*s\n",len,data);
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} else {
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fprintf(stderr,"getting param %s failed\n",argv[i]);
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}
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XFree(data);
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} else if (strcmp(argv[i], "-desc") == 0) {
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i++;
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if (i >= argc) usage();
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char* desc = XVncExtGetParamDesc(dpy, argv[i]);
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if (desc) {
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printf("%s\n",desc);
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} else {
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fprintf(stderr,"getting description for param %s failed\n",argv[i]);
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}
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XFree(desc);
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} else if (strcmp(argv[i], "-list") == 0) {
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int nParams;
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char** list = XVncExtListParams(dpy, &nParams);
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for (int i = 0; i < nParams; i++) {
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printf("%s\n",list[i]);
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}
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XVncExtFreeParamList(list);
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} else if (strcmp(argv[i], "-set") == 0) {
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i++;
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if (i >= argc) usage();
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if (!XVncExtSetParam(dpy, argv[i])) {
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fprintf(stderr,"setting param %s failed\n",argv[i]);
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}
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} else if (XVncExtSetParam(dpy, argv[i])) {
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fprintf(stderr,"set parameter %s\n",argv[i]);
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} else {
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usage();
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}
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}
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return 0;
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}
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try {
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TXWindow::init(dpy,"Vncconfig");
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VncConfigWindow w(dpy);
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if (!noWindow) w.map();
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while (true) {
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struct timeval tv;
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struct timeval* tvp = 0;
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// Process any incoming X events
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TXWindow::handleXEvents(dpy);
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// Process expired timers and get the time until the next one
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int timeoutMs = Timer::checkTimeouts();
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if (timeoutMs) {
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tv.tv_sec = timeoutMs / 1000;
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tv.tv_usec = (timeoutMs % 1000) * 1000;
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tvp = &tv;
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}
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// If there are X requests pending then poll, don't wait!
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if (XPending(dpy)) {
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tv.tv_usec = tv.tv_sec = 0;
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tvp = &tv;
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}
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// Wait for X events, VNC traffic, or the next timer expiry
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fd_set rfds;
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FD_ZERO(&rfds);
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FD_SET(ConnectionNumber(dpy), &rfds);
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int n = select(FD_SETSIZE, &rfds, 0, 0, tvp);
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if (n < 0) throw rdr::SystemException("select",errno);
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}
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XCloseDisplay(dpy);
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} catch (rdr::Exception &e) {
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vlog.error("%s", e.str());
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}
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return 0;
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}
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