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valentina/src/libs/vdxf/libdxfrw/drw_objects.cpp
Roman Telezhynskyi adea504bc1 protect vector<>.reserve() calls 
Malformed or suspicious input files can cause std::exceptions by
vector<>.reserve() calls. Now they are caught to avoid crashes or other
vulnerabilities.
2022-02-07 14:52:41 +02:00

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/******************************************************************************
** libDXFrw - Library to read/write DXF files (ascii & binary) **
** **
** Copyright (C) 2016-2022 A. Stebich (librecad@mail.lordofbikes.de) **
** Copyright (C) 2011-2015 José F. Soriano, rallazz@gmail.com **
** **
** This library is free software, licensed 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. **
** You should have received a copy of the GNU General Public License **
** along with this program. If not, see <http://www.gnu.org/licenses/>. **
******************************************************************************/
#include <iostream>
#include <cmath>
#include "drw_objects.h"
#include "intern/dxfreader.h"
#include "intern/dxfwriter.h"
#include "intern/drw_dbg.h"
#include "drw_reserve.h"
//! Base class for tables entries
/*!
* Base class for tables entries
* @author Rallaz
*/
bool DRW_TableEntry::parseCode(int code, dxfReader *reader){
switch (code) {
case 5:
handle = static_cast<duint32>(reader->getHandleString());
break;
case 330:
parentHandle = reader->getHandleString();
break;
case 2:
name = reader->getUtf8String();
break;
case 70:
flags = reader->getInt32();
break;
case 1000:
case 1001:
case 1002:
case 1003:
case 1004:
case 1005:
extData.push_back(new DRW_Variant(code, reader->getString()));
break;
case 1010:
case 1011:
case 1012:
case 1013:
// don't trust in X, Y, Z order!
if (curr != nullptr)
{
curr->setCoordX(reader->getDouble());
}
else
{
curr = new DRW_Variant( code, DRW_Coord( reader->getDouble(), 0.0, 0.0));
extData.push_back(curr);
}
break;
case 1020:
case 1021:
case 1022:
case 1023:
// don't trust in X, Y, Z order!
if (curr != nullptr)
{
curr->setCoordY(reader->getDouble());
}
else
{
curr = new DRW_Variant(code, DRW_Coord( 0.0, reader->getDouble(), 0.0));
extData.push_back(curr);
}
break;
case 1030:
case 1031:
case 1032:
case 1033:
// don't trust in X, Y, Z order!
if (curr != nullptr)
{
curr->setCoordZ(reader->getDouble());
}
else
{
curr = new DRW_Variant(code, DRW_Coord(0.0, 0.0, reader->getDouble()));
extData.push_back(curr);
}
break;
case 1040:
case 1041:
case 1042:
extData.push_back(new DRW_Variant(code, reader->getDouble()));
break;
case 1070:
case 1071:
extData.push_back(new DRW_Variant(code, reader->getInt32() ));
break;
default:
break;
}
return true;
}
//! Class to handle dimstyle entries
/*!
* Class to handle ldim style symbol table entries
* @author Rallaz
*/
bool DRW_Dimstyle::parseCode(int code, dxfReader *reader){
switch (code) {
case 105:
handle = static_cast<duint32>(reader->getHandleString());
break;
case 3:
dimpost = reader->getUtf8String();
break;
case 4:
dimapost = reader->getUtf8String();
break;
case 5:
dimblk = reader->getUtf8String();
break;
case 6:
dimblk1 = reader->getUtf8String();
break;
case 7:
dimblk2 = reader->getUtf8String();
break;
case 40:
dimscale = reader->getDouble();
break;
case 41:
dimasz = reader->getDouble();
break;
case 42:
dimexo = reader->getDouble();
break;
case 43:
dimdli = reader->getDouble();
break;
case 44:
dimexe = reader->getDouble();
break;
case 45:
dimrnd = reader->getDouble();
break;
case 46:
dimdle = reader->getDouble();
break;
case 47:
dimtp = reader->getDouble();
break;
case 48:
dimtm = reader->getDouble();
break;
case 49:
dimfxl = reader->getDouble();
break;
case 140:
dimtxt = reader->getDouble();
break;
case 141:
dimcen = reader->getDouble();
break;
case 142:
dimtsz = reader->getDouble();
break;
case 143:
dimaltf = reader->getDouble();
break;
case 144:
dimlfac = reader->getDouble();
break;
case 145:
dimtvp = reader->getDouble();
break;
case 146:
dimtfac = reader->getDouble();
break;
case 147:
dimgap = reader->getDouble();
break;
case 148:
dimaltrnd = reader->getDouble();
break;
case 71:
dimtol = reader->getInt32();
break;
case 72:
dimlim = reader->getInt32();
break;
case 73:
dimtih = reader->getInt32();
break;
case 74:
dimtoh = reader->getInt32();
break;
case 75:
dimse1 = reader->getInt32();
break;
case 76:
dimse2 = reader->getInt32();
break;
case 77:
dimtad = reader->getInt32();
break;
case 78:
dimzin = reader->getInt32();
break;
case 79:
dimazin = reader->getInt32();
break;
case 170:
dimalt = reader->getInt32();
break;
case 171:
dimaltd = reader->getInt32();
break;
case 172:
dimtofl = reader->getInt32();
break;
case 173:
dimsah = reader->getInt32();
break;
case 174:
dimtix = reader->getInt32();
break;
case 175:
dimsoxd = reader->getInt32();
break;
case 176:
dimclrd = reader->getInt32();
break;
case 177:
dimclre = reader->getInt32();
break;
case 178:
dimclrt = reader->getInt32();
break;
case 179:
dimadec = reader->getInt32();
break;
case 270:
dimunit = reader->getInt32();
break;
case 271:
dimdec = reader->getInt32();
break;
case 272:
dimtdec = reader->getInt32();
break;
case 273:
dimaltu = reader->getInt32();
break;
case 274:
dimalttd = reader->getInt32();
break;
case 275:
dimaunit = reader->getInt32();
break;
case 276:
dimfrac = reader->getInt32();
break;
case 277:
dimlunit = reader->getInt32();
break;
case 278:
dimdsep = reader->getInt32();
break;
case 279:
dimtmove = reader->getInt32();
break;
case 280:
dimjust = reader->getInt32();
break;
case 281:
dimsd1 = reader->getInt32();
break;
case 282:
dimsd2 = reader->getInt32();
break;
case 283:
dimtolj = reader->getInt32();
break;
case 284:
dimtzin = reader->getInt32();
break;
case 285:
dimaltz = reader->getInt32();
break;
case 286:
dimaltttz = reader->getInt32();
break;
case 287:
dimfit = reader->getInt32();
break;
case 288:
dimupt = reader->getInt32();
break;
case 289:
dimatfit = reader->getInt32();
break;
case 290:
dimfxlon = reader->getInt32();
break;
case 340:
dimtxsty = reader->getUtf8String();
break;
case 341:
dimldrblk = reader->getUtf8String();
break;
case 342:
dimblk = reader->getUtf8String();
break;
case 343:
dimblk1 = reader->getUtf8String();
break;
case 344:
dimblk2 = reader->getUtf8String();
break;
default:
return DRW_TableEntry::parseCode(code, reader);
}
return true;
}
//! Class to handle line type entries
/*!
* Class to handle line type symbol table entries
* @author Rallaz
*/
bool DRW_LType::parseCode(int code, dxfReader *reader){
switch (code) {
case 3:
desc = reader->getUtf8String();
break;
case 73:
size = reader->getInt32();
path.clear();
if (!DRW::reserve( path, size)) {
return false;
}
break;
case 40:
length = reader->getDouble();
break;
case 49:
path.push_back(reader->getDouble());
pathIdx++;
break;
/* case 74:
haveShape = reader->getInt32();
break;*/
default:
return DRW_TableEntry::parseCode(code, reader);
}
return true;
}
//! Update line type
/*!
* Update the size and length of line type according to the path
* @author Rallaz
*/
/*TODO: control max length permited */
void DRW_LType::update(){
double d =0;
size = static_cast<int>(path.size());
for (int i = 0; i< size; i++){
d += fabs(path.at(static_cast<size_t>(i)));
}
length = d;
}
//! Class to handle layer entries
/*!
* Class to handle layer symbol table entries
* @author Rallaz
*/
bool DRW_Layer::parseCode(int code, dxfReader *reader){
switch (code) {
case 6:
lineType = reader->getUtf8String();
break;
case 62:
color = reader->getInt32();
break;
case 290:
plotF = reader->getBool();
break;
case 370:
lWeight = DRW_LW_Conv::dxfInt2lineWidth(reader->getInt32());
break;
case 390:
handlePlotS = reader->getString();
break;
case 347:
handleMaterialS = reader->getString();
break;
case 420:
color24 = reader->getInt32();
break;
default:
return DRW_TableEntry::parseCode(code, reader);
}
return true;
}
//! Class to handle text style entries
/*!
* Class to handle text style symbol table entries
* @author Rallaz
*/
bool DRW_Textstyle::parseCode(int code, dxfReader *reader){
switch (code) {
case 3:
font = reader->getUtf8String();
break;
case 4:
bigFont = reader->getUtf8String();
break;
case 40:
height = reader->getDouble();
break;
case 41:
width = reader->getDouble();
break;
case 50:
oblique = reader->getDouble();
break;
case 42:
lastHeight = reader->getDouble();
break;
case 71:
genFlag = reader->getInt32();
break;
case 1071:
fontFamily = reader->getInt32();
break;
default:
return DRW_TableEntry::parseCode(code, reader);
}
return true;
}
//! Class to handle vport entries
/*!
* Class to handle vport symbol table entries
* @author Rallaz
*/
bool DRW_Vport::parseCode(int code, dxfReader *reader){
switch (code) {
case 10:
lowerLeft.x = reader->getDouble();
break;
case 20:
lowerLeft.y = reader->getDouble();
break;
case 11:
UpperRight.x = reader->getDouble();
break;
case 21:
UpperRight.y = reader->getDouble();
break;
case 12:
center.x = reader->getDouble();
break;
case 22:
center.y = reader->getDouble();
break;
case 13:
snapBase.x = reader->getDouble();
break;
case 23:
snapBase.y = reader->getDouble();
break;
case 14:
snapSpacing.x = reader->getDouble();
break;
case 24:
snapSpacing.y = reader->getDouble();
break;
case 15:
gridSpacing.x = reader->getDouble();
break;
case 25:
gridSpacing.y = reader->getDouble();
break;
case 16:
viewDir.x = reader->getDouble();
break;
case 26:
viewDir.y = reader->getDouble();
break;
case 36:
viewDir.z = reader->getDouble();
break;
case 17:
viewTarget.x = reader->getDouble();
break;
case 27:
viewTarget.y = reader->getDouble();
break;
case 37:
viewTarget.z = reader->getDouble();
break;
case 40:
height = reader->getDouble();
break;
case 41:
width = reader->getDouble();
break;
case 42:
lensHeight = reader->getDouble();
break;
case 43:
frontClip = reader->getDouble();
break;
case 44:
backClip = reader->getDouble();
break;
case 50:
snapAngle = reader->getDouble();
break;
case 51:
twistAngle = reader->getDouble();
break;
case 71:
viewMode = reader->getInt32();
break;
case 72:
circleZoom = reader->getInt32();
break;
case 73:
fastZoom = reader->getInt32();
break;
case 74:
ucsIcon = reader->getInt32();
break;
case 75:
snap = reader->getInt32();
break;
case 76:
grid = reader->getInt32();
break;
case 77:
snapStyle = reader->getInt32();
break;
case 78:
snapIsopair = reader->getInt32();
break;
default:
return DRW_TableEntry::parseCode(code, reader);
}
return true;
}
bool DRW_ImageDef::parseCode(int code, dxfReader *reader){
switch (code) {
case 1:
fileName = reader->getUtf8String();
break;
case 5:
handle = static_cast<duint32>(reader->getHandleString());
break;
case 10:
u = reader->getDouble();
break;
case 20:
v = reader->getDouble();
break;
case 11:
up = reader->getDouble();
break;
case 12:
vp = reader->getDouble();
break;
case 21:
vp = reader->getDouble();
break;
case 280:
loaded = reader->getInt32();
break;
case 281:
resolution = reader->getInt32();
break;
default:
return DRW_TableEntry::parseCode(code, reader);
}
return true;
}
bool DRW_PlotSettings::parseCode(int code, dxfReader *reader){
switch (code) {
case 5:
handle = static_cast<duint32>(reader->getHandleString());
break;
case 6:
plotViewName = reader->getUtf8String();
break;
case 40:
marginLeft = reader->getDouble();
break;
case 41:
marginBottom = reader->getDouble();
break;
case 42:
marginRight = reader->getDouble();
break;
case 43:
marginTop = reader->getDouble();
break;
default:
return DRW_TableEntry::parseCode(code, reader);
}
return true;
}
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