mirror of
https://github.com/kasmtech/KasmVNC.git
synced 2024-11-23 00:23:13 +01:00
294 lines
9.2 KiB
C++
294 lines
9.2 KiB
C++
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
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* Copyright (C) 2011 D. R. Commander. All Rights Reserved.
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* Copyright 2014 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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#include <stdio.h>
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#include <string.h>
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#include <rdr/InStream.h>
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#include <rdr/OutStream.h>
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#include <rfb/Exception.h>
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#include <rfb/encodings.h>
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#include <rfb/ledStates.h>
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#include <rfb/clipboardTypes.h>
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#include <rfb/ConnParams.h>
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#include <rfb/ServerCore.h>
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#include <rfb/SMsgHandler.h>
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#include <rfb/util.h>
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using namespace rfb;
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ConnParams::ConnParams()
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: majorVersion(0), minorVersion(0),
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width(0), height(0), useCopyRect(false),
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supportsLocalCursor(false), supportsLocalXCursor(false),
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supportsLocalCursorWithAlpha(false),
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supportsCursorPosition(false),
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supportsDesktopResize(false), supportsExtendedDesktopSize(false),
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supportsDesktopRename(false), supportsLastRect(false),
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supportsLEDState(false), supportsQEMUKeyEvent(false),
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supportsWEBP(false),
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supportsSetDesktopSize(false), supportsFence(false),
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supportsContinuousUpdates(false), supportsExtendedClipboard(false),
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compressLevel(2), qualityLevel(-1), fineQualityLevel(-1),
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subsampling(subsampleUndefined), name_(0), cursorPos_(0, 0), verStrPos(0),
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ledState_(ledUnknown), shandler(NULL)
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{
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memset(kasmPassed, 0, KASM_NUM_SETTINGS);
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setName("");
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cursor_ = new Cursor(0, 0, Point(), NULL);
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clipFlags = clipboardUTF8 | clipboardRTF | clipboardHTML |
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clipboardRequest | clipboardNotify | clipboardProvide;
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memset(clipSizes, 0, sizeof(clipSizes));
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clipSizes[0] = 20 * 1024 * 1024;
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}
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ConnParams::~ConnParams()
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{
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delete [] name_;
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delete cursor_;
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}
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bool ConnParams::readVersion(rdr::InStream* is, bool* done)
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{
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if (verStrPos >= 12) return false;
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while (is->checkNoWait(1) && verStrPos < 12) {
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verStr[verStrPos++] = is->readU8();
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}
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if (verStrPos < 12) {
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*done = false;
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return true;
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}
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*done = true;
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verStr[12] = 0;
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return (sscanf(verStr, "RFB %03d.%03d\n", &majorVersion,&minorVersion) == 2);
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}
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void ConnParams::writeVersion(rdr::OutStream* os)
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{
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char str[13];
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sprintf(str, "RFB %03d.%03d\n", majorVersion, minorVersion);
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os->writeBytes(str, 12);
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os->flush();
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}
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void ConnParams::setPF(const PixelFormat& pf)
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{
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pf_ = pf;
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if (pf.bpp != 8 && pf.bpp != 16 && pf.bpp != 32)
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throw Exception("setPF: not 8, 16 or 32 bpp?");
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}
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void ConnParams::setName(const char* name)
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{
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delete [] name_;
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name_ = strDup(name);
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}
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void ConnParams::setCursor(const Cursor& other)
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{
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delete cursor_;
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cursor_ = new Cursor(other);
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}
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void ConnParams::setCursorPos(const Point& pos)
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{
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cursorPos_ = pos;
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}
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bool ConnParams::supportsEncoding(rdr::S32 encoding) const
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{
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return encodings_.count(encoding) != 0;
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}
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void ConnParams::setEncodings(int nEncodings, const rdr::S32* encodings)
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{
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useCopyRect = false;
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supportsLocalCursor = false;
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supportsLocalCursorWithAlpha = false;
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supportsDesktopResize = false;
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supportsExtendedDesktopSize = false;
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supportsLocalXCursor = false;
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supportsLastRect = false;
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supportsQEMUKeyEvent = false;
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supportsWEBP = false;
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compressLevel = -1;
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qualityLevel = -1;
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fineQualityLevel = -1;
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subsampling = subsampleUndefined;
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encodings_.clear();
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encodings_.insert(encodingRaw);
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bool canChangeSettings = !shandler || shandler->canChangeKasmSettings();
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for (int i = nEncodings-1; i >= 0; i--) {
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switch (encodings[i]) {
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case encodingCopyRect:
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useCopyRect = true;
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break;
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case pseudoEncodingCursor:
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supportsLocalCursor = true;
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break;
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case pseudoEncodingXCursor:
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supportsLocalXCursor = true;
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break;
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case pseudoEncodingCursorWithAlpha:
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supportsLocalCursorWithAlpha = true;
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break;
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case pseudoEncodingDesktopSize:
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supportsDesktopResize = true;
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break;
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case pseudoEncodingExtendedDesktopSize:
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supportsExtendedDesktopSize = true;
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break;
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case pseudoEncodingVMwareCursorPosition:
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supportsCursorPosition = true;
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break;
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case pseudoEncodingDesktopName:
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supportsDesktopRename = true;
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break;
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case pseudoEncodingLastRect:
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supportsLastRect = true;
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break;
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case pseudoEncodingLEDState:
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supportsLEDState = true;
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break;
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case pseudoEncodingQEMUKeyEvent:
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supportsQEMUKeyEvent = true;
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break;
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case pseudoEncodingWEBP:
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supportsWEBP = true;
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break;
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case pseudoEncodingFence:
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supportsFence = true;
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break;
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case pseudoEncodingContinuousUpdates:
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supportsContinuousUpdates = true;
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break;
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case pseudoEncodingExtendedClipboard:
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supportsExtendedClipboard = true;
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break;
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case pseudoEncodingSubsamp1X:
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subsampling = subsampleNone;
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break;
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case pseudoEncodingSubsampGray:
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subsampling = subsampleGray;
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break;
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case pseudoEncodingSubsamp2X:
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subsampling = subsample2X;
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break;
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case pseudoEncodingSubsamp4X:
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subsampling = subsample4X;
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break;
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case pseudoEncodingSubsamp8X:
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subsampling = subsample8X;
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break;
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case pseudoEncodingSubsamp16X:
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subsampling = subsample16X;
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break;
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case pseudoEncodingPreferBandwidth:
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if (!rfb::Server::ignoreClientSettingsKasm && canChangeSettings)
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Server::preferBandwidth.setParam();
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break;
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case pseudoEncodingMaxVideoResolution:
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if (!rfb::Server::ignoreClientSettingsKasm && canChangeSettings)
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kasmPassed[KASM_MAX_VIDEO_RESOLUTION] = true;
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break;
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}
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if (encodings[i] >= pseudoEncodingCompressLevel0 &&
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encodings[i] <= pseudoEncodingCompressLevel9)
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compressLevel = encodings[i] - pseudoEncodingCompressLevel0;
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if (encodings[i] >= pseudoEncodingQualityLevel0 &&
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encodings[i] <= pseudoEncodingQualityLevel9)
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qualityLevel = encodings[i] - pseudoEncodingQualityLevel0;
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if (encodings[i] >= pseudoEncodingFineQualityLevel0 &&
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encodings[i] <= pseudoEncodingFineQualityLevel100)
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fineQualityLevel = encodings[i] - pseudoEncodingFineQualityLevel0;
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if (!rfb::Server::ignoreClientSettingsKasm && canChangeSettings) {
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if (encodings[i] >= pseudoEncodingJpegVideoQualityLevel0 &&
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encodings[i] <= pseudoEncodingJpegVideoQualityLevel9)
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Server::jpegVideoQuality.setParam(encodings[i] - pseudoEncodingJpegVideoQualityLevel0);
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if (encodings[i] >= pseudoEncodingWebpVideoQualityLevel0 &&
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encodings[i] <= pseudoEncodingWebpVideoQualityLevel9)
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Server::webpVideoQuality.setParam(encodings[i] - pseudoEncodingWebpVideoQualityLevel0);
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if (encodings[i] >= pseudoEncodingTreatLosslessLevel0 &&
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encodings[i] <= pseudoEncodingTreatLosslessLevel10)
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Server::treatLossless.setParam(encodings[i] - pseudoEncodingTreatLosslessLevel0);
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if (encodings[i] >= pseudoEncodingDynamicQualityMinLevel0 &&
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encodings[i] <= pseudoEncodingDynamicQualityMinLevel9)
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Server::dynamicQualityMin.setParam(encodings[i] - pseudoEncodingDynamicQualityMinLevel0);
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if (encodings[i] >= pseudoEncodingDynamicQualityMaxLevel0 &&
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encodings[i] <= pseudoEncodingDynamicQualityMaxLevel9)
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Server::dynamicQualityMax.setParam(encodings[i] - pseudoEncodingDynamicQualityMaxLevel0);
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if (encodings[i] >= pseudoEncodingVideoAreaLevel1 &&
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encodings[i] <= pseudoEncodingVideoAreaLevel100)
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Server::videoArea.setParam(encodings[i] - pseudoEncodingVideoAreaLevel1 + 1);
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if (encodings[i] >= pseudoEncodingVideoTimeLevel0 &&
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encodings[i] <= pseudoEncodingVideoTimeLevel100)
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Server::videoTime.setParam(encodings[i] - pseudoEncodingVideoTimeLevel0);
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if (encodings[i] >= pseudoEncodingVideoOutTimeLevel1 &&
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encodings[i] <= pseudoEncodingVideoOutTimeLevel100)
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Server::videoOutTime.setParam(encodings[i] - pseudoEncodingVideoOutTimeLevel1 + 1);
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if (encodings[i] >= pseudoEncodingFrameRateLevel10 &&
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encodings[i] <= pseudoEncodingFrameRateLevel60)
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Server::frameRate.setParam(encodings[i] - pseudoEncodingFrameRateLevel10 + 10);
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if (encodings[i] >= pseudoEncodingVideoScalingLevel0 &&
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encodings[i] <= pseudoEncodingVideoScalingLevel9)
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Server::videoScaling.setParam(encodings[i] - pseudoEncodingVideoScalingLevel0);
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}
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if (encodings[i] > 0)
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encodings_.insert(encodings[i]);
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}
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}
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void ConnParams::setLEDState(unsigned int state)
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{
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ledState_ = state;
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}
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void ConnParams::setClipboardCaps(rdr::U32 flags, const rdr::U32* lengths)
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{
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int i, num;
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clipFlags = flags;
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num = 0;
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for (i = 0;i < 16;i++) {
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if (!(flags & (1 << i)))
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continue;
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clipSizes[i] = lengths[num++];
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}
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}
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