diff options
author | lofi <lofi@FreeBSD.org> | 2005-04-22 11:32:26 +0800 |
---|---|---|
committer | lofi <lofi@FreeBSD.org> | 2005-04-22 11:32:26 +0800 |
commit | b24d9efcc014b871cb862370348c7c28ee4c1699 (patch) | |
tree | 4a89135f8f96770f62702db4b3a3d8878fb58bfe /x11 | |
parent | b8a813120cf4176854ebf4d0a652a6a9e1b73181 (diff) | |
download | freebsd-ports-gnome-b24d9efcc014b871cb862370348c7c28ee4c1699.tar.gz freebsd-ports-gnome-b24d9efcc014b871cb862370348c7c28ee4c1699.tar.zst freebsd-ports-gnome-b24d9efcc014b871cb862370348c7c28ee4c1699.zip |
Fix multiple vulnerabilities in the kimgio subsystem.
Security: Fixes CAN-2005-1046
Diffstat (limited to 'x11')
-rw-r--r-- | x11/kdelibs3/Makefile | 2 | ||||
-rw-r--r-- | x11/kdelibs3/files/patch-post-3.4.0-kdelibs-kimgio | 1017 | ||||
-rw-r--r-- | x11/kdelibs4/Makefile | 2 | ||||
-rw-r--r-- | x11/kdelibs4/files/patch-post-3.4.0-kdelibs-kimgio | 1017 |
4 files changed, 2036 insertions, 2 deletions
diff --git a/x11/kdelibs3/Makefile b/x11/kdelibs3/Makefile index bb24110f77c1..fd21ee05e54b 100644 --- a/x11/kdelibs3/Makefile +++ b/x11/kdelibs3/Makefile @@ -8,7 +8,7 @@ PORTNAME= kdelibs PORTVERSION= ${KDE_VERSION} -PORTREVISION= 1 +PORTREVISION= 2 CATEGORIES= x11 kde MASTER_SITES= ${MASTER_SITE_KDE} MASTER_SITE_SUBDIR= stable/${PORTVERSION:S/.0//}/src diff --git a/x11/kdelibs3/files/patch-post-3.4.0-kdelibs-kimgio b/x11/kdelibs3/files/patch-post-3.4.0-kdelibs-kimgio new file mode 100644 index 000000000000..f7990101ae3f --- /dev/null +++ b/x11/kdelibs3/files/patch-post-3.4.0-kdelibs-kimgio @@ -0,0 +1,1017 @@ +diff -u -3 -d -p -r1.4 -r1.4.2.1 +--- kimgio/exr.cpp 22 Nov 2004 03:48:27 -0000 1.4 ++++ kimgio/exr.cpp 19 Apr 2005 10:48:00 -0000 1.4.2.1 +@@ -136,6 +136,8 @@ KDE_EXPORT void kimgio_exr_read( QImageI + file.readPixels (dw.min.y, dw.max.y); + + QImage image(width, height, 32, 0, QImage::BigEndian); ++ if( image.isNull()) ++ return; + + // somehow copy pixels into image + for ( int y=0; y < height; y++ ) { +diff -u -3 -d -p -r1.4 -r1.4.2.1 +--- kimgio/g3r.cpp 22 Nov 2004 03:48:27 -0000 1.4 ++++ kimgio/g3r.cpp 18 Apr 2005 13:08:44 -0000 1.4.2.1 +@@ -28,7 +28,7 @@ KDE_EXPORT void kimgio_g3_read( QImageIO + + QImage image(width, height, 1, 0, QImage::BigEndian); + +- if (scanlength != image.bytesPerLine()) ++ if (image.isNull() || scanlength != image.bytesPerLine()) + { + TIFFClose(tiff); + return; +diff -u -3 -d -p -r1.14 -r1.14.2.1 +--- kimgio/jp2.cpp 22 Nov 2004 03:48:27 -0000 1.14 ++++ kimgio/jp2.cpp 19 Apr 2005 10:48:00 -0000 1.14.2.1 +@@ -157,8 +157,9 @@ namespace { + void + draw_view_gray( gs_t& gs, QImage& qti ) + { +- qti.create( jas_image_width( gs.image ), jas_image_height( gs.image ), +- 8, 256 ); ++ if( !qti.create( jas_image_width( gs.image ), jas_image_height( gs.image ), ++ 8, 256 )) ++ return; + for( int i = 0; i < 256; ++i ) + qti.setColor( i, qRgb( i, i, i ) ); + +diff -u -3 -d -p -r1.12 -r1.12.2.2 +--- kimgio/pcx.cpp 22 Nov 2004 03:48:27 -0000 1.12 ++++ kimgio/pcx.cpp 19 Apr 2005 10:48:00 -0000 1.12.2.2 +@@ -1,5 +1,5 @@ + /* This file is part of the KDE project +- Copyright (C) 2002-2003 Nadeem Hasan <nhasan@kde.org> ++ Copyright (C) 2002-2005 Nadeem Hasan <nhasan@kde.org> + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public +@@ -44,6 +44,11 @@ static QDataStream &operator>>( QDataStr + s >> ph.HScreenSize; + s >> ph.VScreenSize; + ++ // Skip the rest of the header ++ Q_UINT8 byte; ++ while ( s.device()->at() < 128 ) ++ s >> byte; ++ + return s; + } + +@@ -85,25 +90,22 @@ static QDataStream &operator<<( QDataStr + return s; + } + +-static PCXHEADER header; +-static QImage img; +-static Q_UINT16 w, h; +- +-void PCXHEADER::reset() ++PCXHEADER::PCXHEADER() + { ++ // Initialize all data to zero + QByteArray dummy( 128 ); + dummy.fill( 0 ); + QDataStream s( dummy, IO_ReadOnly ); + s >> *this; + } + +-static void readLine( QDataStream &s, QByteArray &buf ) ++static void readLine( QDataStream &s, QByteArray &buf, const PCXHEADER &header ) + { + Q_UINT32 i=0; + Q_UINT32 size = buf.size(); + Q_UINT8 byte, count; + +- if ( header.Encoding == 1 ) ++ if ( header.isCompressed() ) + { + // Uncompress the image data + while ( i < size ) +@@ -130,13 +132,14 @@ static void readLine( QDataStream &s, QB + } + } + +-static void readImage1( QDataStream &s ) ++static void readImage1( QImage &img, QDataStream &s, const PCXHEADER &header ) + { + QByteArray buf( header.BytesPerLine ); + +- img.create( w, h, 1, 2, QImage::BigEndian ); ++ if(!img.create( header.width(), header.height(), 1, 2, QImage::BigEndian )) ++ return; + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + if ( s.atEnd() ) + { +@@ -144,10 +147,11 @@ static void readImage1( QDataStream &s ) + return; + } + +- readLine( s, buf ); +- +- for ( int x=0; x<header.BytesPerLine; ++x ) +- *( img.scanLine( y )+x ) = buf[ x ]; ++ readLine( s, buf, header ); ++ uchar *p = img.scanLine( y ); ++ unsigned int bpl = QMIN((header.width()+7)/8, header.BytesPerLine); ++ for ( unsigned int x=0; x< bpl; ++x ) ++ p[ x ] = buf[x]; + } + + // Set the color palette +@@ -155,14 +159,15 @@ static void readImage1( QDataStream &s ) + img.setColor( 1, qRgb( 255, 255, 255 ) ); + } + +-static void readImage4( QDataStream &s ) ++static void readImage4( QImage &img, QDataStream &s, const PCXHEADER &header ) + { + QByteArray buf( header.BytesPerLine*4 ); +- QByteArray pixbuf( w ); ++ QByteArray pixbuf( header.width() ); + +- img.create( w, h, 8, 16, QImage::IgnoreEndian ); ++ if(!img.create( header.width(), header.height(), 8, 16 )) ++ return; + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + if ( s.atEnd() ) + { +@@ -171,20 +176,19 @@ static void readImage4( QDataStream &s ) + } + + pixbuf.fill( 0 ); +- readLine( s, buf ); ++ readLine( s, buf, header ); + + for ( int i=0; i<4; i++ ) + { + Q_UINT32 offset = i*header.BytesPerLine; +- for ( int x=0; x<w; ++x ) ++ for ( unsigned int x=0; x<header.width(); ++x ) + if ( buf[ offset + ( x/8 ) ] & ( 128 >> ( x%8 ) ) ) + pixbuf[ x ] += ( 1 << i ); + } + + uchar *p = img.scanLine( y ); +- +- for ( int x=0; x<w; ++x ) +- *p++ = pixbuf[ x ]; ++ for ( unsigned int x=0; x<header.width(); ++x ) ++ p[ x ] = pixbuf[ x ]; + } + + // Read the palette +@@ -192,13 +196,14 @@ static void readImage4( QDataStream &s ) + img.setColor( i, header.ColorMap.color( i ) ); + } + +-static void readImage8( QDataStream &s ) ++static void readImage8( QImage &img, QDataStream &s, const PCXHEADER &header ) + { + QByteArray buf( header.BytesPerLine ); + +- img.create( w, h, 8, 256, QImage::IgnoreEndian ); ++ if(!img.create( header.width(), header.height(), 8, 256 )) ++ return; + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + if ( s.atEnd() ) + { +@@ -206,19 +211,19 @@ static void readImage8( QDataStream &s ) + return; + } + +- readLine( s, buf ); ++ readLine( s, buf, header ); + + uchar *p = img.scanLine( y ); +- +- for ( int x=0; x<header.BytesPerLine; ++x ) +- *p++ = buf[ x ]; ++ unsigned int bpl = QMIN(header.BytesPerLine, header.width()); ++ for ( unsigned int x=0; x<bpl; ++x ) ++ p[ x ] = buf[ x ]; + } + + Q_UINT8 flag; + s >> flag; +- kdDebug() << "Flag: " << flag << endl; ++ kdDebug( 399 ) << "Palette Flag: " << flag << endl; + +- if ( flag == 12 && header.Version == 5 ) ++ if ( flag == 12 && ( header.Version == 5 || header.Version == 2 ) ) + { + // Read the palette + Q_UINT8 r, g, b; +@@ -230,15 +235,16 @@ static void readImage8( QDataStream &s ) + } + } + +-static void readImage24( QDataStream &s ) ++static void readImage24( QImage &img, QDataStream &s, const PCXHEADER &header ) + { + QByteArray r_buf( header.BytesPerLine ); + QByteArray g_buf( header.BytesPerLine ); + QByteArray b_buf( header.BytesPerLine ); + +- img.create( w, h, 32 ); ++ if(!img.create( header.width(), header.height(), 32 )) ++ return; + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + if ( s.atEnd() ) + { +@@ -246,14 +252,13 @@ static void readImage24( QDataStream &s + return; + } + +- readLine( s, r_buf ); +- readLine( s, g_buf ); +- readLine( s, b_buf ); ++ readLine( s, r_buf, header ); ++ readLine( s, g_buf, header ); ++ readLine( s, b_buf, header ); + + uint *p = ( uint * )img.scanLine( y ); +- +- for ( int x=0; x<header.BytesPerLine; ++x ) +- *p++ = qRgb( r_buf[ x ], g_buf[ x ], b_buf[ x ] ); ++ for ( unsigned int x=0; x<header.width(); ++x ) ++ p[ x ] = qRgb( r_buf[ x ], g_buf[ x ], b_buf[ x ] ); + } + } + +@@ -268,6 +273,8 @@ KDE_EXPORT void kimgio_pcx_read( QImageI + return; + } + ++ PCXHEADER header; ++ + s >> header; + + if ( header.Manufacturer != 10 || s.atEnd()) +@@ -276,10 +283,8 @@ KDE_EXPORT void kimgio_pcx_read( QImageI + return; + } + +- w = ( header.XMax-header.XMin ) + 1; +- h = ( header.YMax-header.YMin ) + 1; +- +- img.reset(); ++ int w = header.width(); ++ int h = header.height(); + + kdDebug( 399 ) << "Manufacturer: " << header.Manufacturer << endl; + kdDebug( 399 ) << "Version: " << header.Version << endl; +@@ -288,30 +293,27 @@ KDE_EXPORT void kimgio_pcx_read( QImageI + kdDebug( 399 ) << "Width: " << w << endl; + kdDebug( 399 ) << "Height: " << h << endl; + kdDebug( 399 ) << "Window: " << header.XMin << "," << header.XMax << "," +- << header.YMin << "," << header.YMax << endl; ++ << header.YMin << "," << header.YMax << endl; + kdDebug( 399 ) << "BytesPerLine: " << header.BytesPerLine << endl; + kdDebug( 399 ) << "NPlanes: " << header.NPlanes << endl; + +- // Skip the rest of the header +- Q_UINT8 byte; +- while ( s.device()->at() < 128 ) +- s >> byte; ++ QImage img; + + if ( header.Bpp == 1 && header.NPlanes == 1 ) + { +- readImage1( s ); ++ readImage1( img, s, header ); + } + else if ( header.Bpp == 1 && header.NPlanes == 4 ) + { +- readImage4( s ); ++ readImage4( img, s, header ); + } + else if ( header.Bpp == 8 && header.NPlanes == 1 ) + { +- readImage8( s ); ++ readImage8( img, s, header ); + } + else if ( header.Bpp == 8 && header.NPlanes == 3 ) + { +- readImage24( s ); ++ readImage24( img, s, header ); + } + + kdDebug( 399 ) << "Image Bytes: " << img.numBytes() << endl; +@@ -359,7 +361,7 @@ static void writeLine( QDataStream &s, Q + } + } + +-static void writeImage1( QDataStream &s ) ++static void writeImage1( QImage &img, QDataStream &s, PCXHEADER &header ) + { + img = img.convertBitOrder( QImage::BigEndian ); + +@@ -367,29 +369,27 @@ static void writeImage1( QDataStream &s + header.NPlanes = 1; + header.BytesPerLine = img.bytesPerLine(); + +- header.ColorMap.setColor( 0, qRgb( 0, 0, 0 ) ); +- header.ColorMap.setColor( 1, qRgb( 255, 255, 255 ) ); +- + s << header; + + QByteArray buf( header.BytesPerLine ); + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + Q_UINT8 *p = img.scanLine( y ); + ++ // Invert as QImage uses reverse palette for monochrome images? + for ( int i=0; i<header.BytesPerLine; ++i ) +- buf[ i ] = p[ i ]; ++ buf[ i ] = ~p[ i ]; + + writeLine( s, buf ); + } + } + +-static void writeImage4( QDataStream &s ) ++static void writeImage4( QImage &img, QDataStream &s, PCXHEADER &header ) + { + header.Bpp = 1; + header.NPlanes = 4; +- header.BytesPerLine = w/8; ++ header.BytesPerLine = header.width()/8; + + for ( int i=0; i<16; ++i ) + header.ColorMap.setColor( i, img.color( i ) ); +@@ -401,14 +401,14 @@ static void writeImage4( QDataStream &s + for ( int i=0; i<4; ++i ) + buf[ i ].resize( header.BytesPerLine ); + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + Q_UINT8 *p = img.scanLine( y ); + + for ( int i=0; i<4; ++i ) + buf[ i ].fill( 0 ); + +- for ( int x=0; x<w; ++x ) ++ for ( unsigned int x=0; x<header.width(); ++x ) + { + for ( int i=0; i<4; ++i ) + if ( *( p+x ) & ( 1 << i ) ) +@@ -420,7 +420,7 @@ static void writeImage4( QDataStream &s + } + } + +-static void writeImage8( QDataStream &s ) ++static void writeImage8( QImage &img, QDataStream &s, PCXHEADER &header ) + { + header.Bpp = 8; + header.NPlanes = 1; +@@ -430,7 +430,7 @@ static void writeImage8( QDataStream &s + + QByteArray buf( header.BytesPerLine ); + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + Q_UINT8 *p = img.scanLine( y ); + +@@ -449,23 +449,23 @@ static void writeImage8( QDataStream &s + s << RGB( img.color( i ) ); + } + +-static void writeImage24( QDataStream &s ) ++static void writeImage24( QImage &img, QDataStream &s, PCXHEADER &header ) + { + header.Bpp = 8; + header.NPlanes = 3; +- header.BytesPerLine = w; ++ header.BytesPerLine = header.width(); + + s << header; + +- QByteArray r_buf( w ); +- QByteArray g_buf( w ); +- QByteArray b_buf( w ); ++ QByteArray r_buf( header.width() ); ++ QByteArray g_buf( header.width() ); ++ QByteArray b_buf( header.width() ); + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + uint *p = ( uint * )img.scanLine( y ); + +- for ( int x=0; x<w; ++x ) ++ for ( unsigned int x=0; x<header.width(); ++x ) + { + QRgb rgb = *p++; + r_buf[ x ] = qRed( rgb ); +@@ -484,10 +484,10 @@ KDE_EXPORT void kimgio_pcx_write( QImage + QDataStream s( io->ioDevice() ); + s.setByteOrder( QDataStream::LittleEndian ); + +- img = io->image(); ++ QImage img = io->image(); + +- w = img.width(); +- h = img.height(); ++ int w = img.width(); ++ int h = img.height(); + + kdDebug( 399 ) << "Width: " << w << endl; + kdDebug( 399 ) << "Height: " << h << endl; +@@ -495,6 +495,8 @@ KDE_EXPORT void kimgio_pcx_write( QImage + kdDebug( 399 ) << "BytesPerLine: " << img.bytesPerLine() << endl; + kdDebug( 399 ) << "Num Colors: " << img.numColors() << endl; + ++ PCXHEADER header; ++ + header.Manufacturer = 10; + header.Version = 5; + header.Encoding = 1; +@@ -509,19 +511,19 @@ KDE_EXPORT void kimgio_pcx_write( QImage + + if ( img.depth() == 1 ) + { +- writeImage1( s ); ++ writeImage1( img, s, header ); + } + else if ( img.depth() == 8 && img.numColors() <= 16 ) + { +- writeImage4( s ); ++ writeImage4( img, s, header ); + } + else if ( img.depth() == 8 ) + { +- writeImage8( s ); ++ writeImage8( img, s, header ); + } + else if ( img.depth() == 32 ) + { +- writeImage24( s ); ++ writeImage24( img, s, header ); + } + + io->setStatus( 0 ); +Index: pcx.h +=================================================================== +RCS file: /home/kde/kdelibs/kimgio/pcx.h,v +retrieving revision 1.4 +retrieving revision 1.4.8.1 +diff -u -3 -d -p -r1.4 -r1.4.8.1 +--- kimgio/pcx.h 4 Jan 2003 00:48:25 -0000 1.4 ++++ kimgio/pcx.h 19 Apr 2005 10:48:00 -0000 1.4.8.1 +@@ -49,7 +49,7 @@ class Palette + rgb[ i ] = RGB( color ); + } + +- QRgb color( int i ) ++ QRgb color( int i ) const + { + return qRgb( rgb[ i ].r, rgb[ i ].g, rgb[ i ].b ); + } +@@ -60,12 +60,11 @@ class Palette + class PCXHEADER + { + public: +- PCXHEADER() +- { +- reset(); +- } ++ PCXHEADER(); + +- void reset(); ++ inline int width() const { return ( XMax-XMin ) + 1; } ++ inline int height() const { return ( YMax-YMin ) + 1; } ++ inline bool isCompressed() const { return ( Encoding==1 ); } + + Q_UINT8 Manufacturer; // Constant Flag, 10 = ZSoft .pcx + Q_UINT8 Version; // Version information· +@@ -99,7 +98,7 @@ class PCXHEADER + // found only in PB IV/IV Plus + Q_UINT16 VScreenSize; // Vertical screen size in pixels. New field + // found only in PB IV/IV Plus +-}; ++} KDE_PACKED; + + #endif // PCX_H + +diff -u -3 -d -p -r1.1 -r1.1.2.1 +--- kimgio/psd.cpp 16 Dec 2004 09:59:07 -0000 1.1 ++++ kimgio/psd.cpp 19 Apr 2005 10:48:00 -0000 1.1.2.1 +@@ -66,6 +66,19 @@ namespace { // Private. + s >> header.color_mode; + return s; + } ++ static bool seekBy(QDataStream& s, unsigned int bytes) ++ { ++ char buf[4096]; ++ while (bytes) { ++ unsigned int num= QMIN(bytes,sizeof(buf)); ++ unsigned int l = num; ++ s.readRawBytes(buf, l); ++ if(l != num) ++ return false; ++ bytes -= num; ++ } ++ return true; ++ } + + // Check that the header is a valid PSD. + static bool IsValid( const PSDHeader & header ) +@@ -149,10 +162,8 @@ namespace { // Private. + if( compression ) { + + // Skip row lengths. +- ushort w; +- for(uint i = 0; i < header.height * header.channel_count; i++) { +- s >> w; +- } ++ if(!seekBy(s, header.height*header.channel_count*sizeof(ushort))) ++ return false; + + // Read RLE data. + for(uint channel = 0; channel < channel_num; channel++) { +@@ -162,6 +173,8 @@ namespace { // Private. + uint count = 0; + while( count < pixel_count ) { + uchar c; ++ if(s.atEnd()) ++ return false; + s >> c; + uint len = c; + +@@ -169,6 +182,9 @@ namespace { // Private. + // Copy next len+1 bytes literally. + len++; + count += len; ++ if ( count > pixel_count ) ++ return false; ++ + while( len != 0 ) { + s >> *ptr; + ptr += 4; +@@ -181,6 +197,8 @@ namespace { // Private. + len ^= 0xFF; + len += 2; + count += len; ++ if(s.atEnd() || count > pixel_count) ++ return false; + uchar val; + s >> val; + while( len != 0 ) { +diff -u -3 -d -p -r1.31 -r1.31.2.1 +--- kimgio/rgb.cpp 10 Jan 2005 19:54:19 -0000 1.31 ++++ kimgio/rgb.cpp 19 Apr 2005 10:48:00 -0000 1.31.2.1 +@@ -87,7 +87,9 @@ bool SGIImage::getRow(uchar *dest) + int n, i; + if (!m_rle) { + for (i = 0; i < m_xsize; i++) { +- *dest++ = uchar(*m_pos); ++ if(m_pos >= m_data.end()) ++ return false; ++ dest[i] = uchar(*m_pos); + m_pos += m_bpc; + } + return true; +@@ -120,7 +122,7 @@ bool SGIImage::readData(QImage& img) + { + QRgb *c; + Q_UINT32 *start = m_starttab; +- QCString lguard(m_xsize); ++ QByteArray lguard(m_xsize); + uchar *line = (uchar *)lguard.data(); + unsigned x, y; + +@@ -128,7 +130,7 @@ bool SGIImage::readData(QImage& img) + m_pos = m_data.begin(); + + for (y = 0; y < m_ysize; y++) { +- c = reinterpret_cast<QRgb *>(img.scanLine(m_ysize - y - 1)); ++ c = (QRgb *) img.scanLine(m_ysize - y - 1); + if (m_rle) + m_pos = m_data.begin() + *start++; + if (!getRow(line)) +@@ -166,11 +168,11 @@ bool SGIImage::readData(QImage& img) + } + + for (y = 0; y < m_ysize; y++) { +- c = reinterpret_cast<QRgb *>(img.scanLine(m_ysize - y - 1)); + if (m_rle) + m_pos = m_data.begin() + *start++; + if (!getRow(line)) + return false; ++ c = (QRgb*) img.scanLine(m_ysize - y - 1); + for (x = 0; x < m_xsize; x++, c++) + *c = qRgba(qRed(*c), qGreen(*c), qBlue(*c), line[x]); + } +@@ -270,7 +272,7 @@ bool SGIImage::readImage(QImage& img) + // sanity ckeck + if (m_rle) + for (uint o = 0; o < m_numrows; o++) +- if (m_starttab[o] + m_lengthtab[o] > m_data.size()) { ++ if (m_starttab[o] + m_lengthtab[o] >= m_data.size()) { + kdDebug(399) << "image corrupt (sanity check failed)" << endl; + return false; + } +diff -u -3 -d -p -r1.14 -r1.14.2.1 +--- kimgio/tiffr.cpp 22 Nov 2004 03:52:18 -0000 1.14 ++++ kimgio/tiffr.cpp 19 Apr 2005 10:48:00 -0000 1.14.2.1 +@@ -84,6 +84,10 @@ KDE_EXPORT void kimgio_tiff_read( QImage + return; + + QImage image( width, height, 32 ); ++ if( image.isNull()) { ++ TIFFClose( tiff ); ++ return; ++ } + data = (uint32 *)image.bits(); + + //Sven: changed to %ld for 64bit machines +diff -u -3 -d -p -r1.3 -r1.3.2.1 +--- kimgio/xcf.cpp 22 Nov 2004 03:48:27 -0000 1.3 ++++ kimgio/xcf.cpp 19 Apr 2005 10:48:00 -0000 1.3.2.1 +@@ -234,10 +234,10 @@ bool XCFImageFormat::loadImageProperties + property.readBytes(tag, size); + + Q_UINT32 flags; +- char* data; ++ char* data=0; + property >> flags >> data; + +- if (strcmp(tag, "gimp-comment") == 0) ++ if (tag && strncmp(tag, "gimp-comment", strlen("gimp-comment")) == 0) + xcf_image.image.setText("Comment", 0, data); + + delete[] tag; +@@ -257,6 +257,9 @@ bool XCFImageFormat::loadImageProperties + + case PROP_COLORMAP: + property >> xcf_image.num_colors; ++ if(xcf_image.num_colors < 0 || xcf_image.num_colors > 65535) ++ return false; ++ + xcf_image.palette.reserve(xcf_image.num_colors); + + for (int i = 0; i < xcf_image.num_colors; i++) { +@@ -307,6 +310,9 @@ bool XCFImageFormat::loadProperty(QDataS + return false; + } + ++ if(size > 65535 || size < 4) ++ return false; ++ + size = 3 * (size - 4) + 4; + data = new char[size]; + +@@ -336,19 +342,21 @@ bool XCFImageFormat::loadProperty(QDataS + } + + size = 0; +- } else +- xcf_io.readBytes(data, size); ++ } else { ++ xcf_io >> size; ++ if(size >256000) ++ return false; ++ data = new char[size]; ++ xcf_io.readRawBytes(data, size); ++ } + + if (xcf_io.device()->status() != IO_Ok) { + kdDebug(399) << "XCF: read failure on property " << type << " data, size " << size << endl; + return false; + } + +- if (size != 0) { +- bytes.resize(size); +- for (uint i = 0; i < size; i++) +- bytes[i] = data[i]; +- delete[] data; ++ if (size != 0 && data) { ++ bytes.assign(data,size); + } + + return true; +@@ -401,7 +409,8 @@ bool XCFImageFormat::loadLayer(QDataStre + // Allocate the individual tile QImages based on the size and type + // of this layer. + +- composeTiles(xcf_image); ++ if( !composeTiles(xcf_image)) ++ return false; + xcf_io.device()->at(layer.hierarchy_offset); + + // As tiles are loaded, they are copied into the layers tiles by +@@ -425,7 +434,8 @@ bool XCFImageFormat::loadLayer(QDataStre + // of the QImage. + + if (!xcf_image.initialized) { +- initializeImage(xcf_image); ++ if( !initializeImage(xcf_image)) ++ return false; + copyLayerToImage(xcf_image); + xcf_image.initialized = true; + } else +@@ -516,7 +526,7 @@ bool XCFImageFormat::loadLayerProperties + * QImage structures for each of them. + * \param xcf_image contains the current layer. + */ +-void XCFImageFormat::composeTiles(XCFImage& xcf_image) ++bool XCFImageFormat::composeTiles(XCFImage& xcf_image) + { + Layer& layer(xcf_image.layer); + +@@ -556,48 +566,67 @@ void XCFImageFormat::composeTiles(XCFIma + switch (layer.type) { + case RGB_GIMAGE: + layer.image_tiles[j][i] = QImage(tile_width, tile_height, 32, 0); ++ if( layer.image_tiles[j][i].isNull()) ++ return false; + layer.image_tiles[j][i].setAlphaBuffer(false); + break; + + case RGBA_GIMAGE: + layer.image_tiles[j][i] = QImage(tile_width, tile_height, 32, 0); ++ if( layer.image_tiles[j][i].isNull()) ++ return false; + layer.image_tiles[j][i].setAlphaBuffer(true); + break; + + case GRAY_GIMAGE: + layer.image_tiles[j][i] = QImage(tile_width, tile_height, 8, 256); ++ if( layer.image_tiles[j][i].isNull()) ++ return false; + setGrayPalette(layer.image_tiles[j][i]); + break; + + case GRAYA_GIMAGE: + layer.image_tiles[j][i] = QImage(tile_width, tile_height, 8, 256); ++ if( layer.image_tiles[j][i].isNull()) ++ return false; + setGrayPalette(layer.image_tiles[j][i]); + + layer.alpha_tiles[j][i] = QImage( tile_width, tile_height, 8, 256); ++ if( layer.alpha_tiles[j][i].isNull()) ++ return false; + setGrayPalette(layer.alpha_tiles[j][i]); + break; + + case INDEXED_GIMAGE: + layer.image_tiles[j][i] = QImage(tile_width, tile_height, 8, + xcf_image.num_colors); ++ if( layer.image_tiles[j][i].isNull()) ++ return false; + setPalette(xcf_image, layer.image_tiles[j][i]); + break; + + case INDEXEDA_GIMAGE: + layer.image_tiles[j][i] = QImage(tile_width, tile_height,8, + xcf_image.num_colors); ++ if( layer.image_tiles[j][i].isNull()) ++ return false; + setPalette(xcf_image, layer.image_tiles[j][i]); + + layer.alpha_tiles[j][i] = QImage(tile_width, tile_height, 8, 256); ++ if( layer.alpha_tiles[j][i].isNull()) ++ return false; + setGrayPalette(layer.alpha_tiles[j][i]); + } + + if (layer.mask_offset != 0) { + layer.mask_tiles[j][i] = QImage(tile_width, tile_height, 8, 256); ++ if( layer.mask_tiles[j][i].isNull()) ++ return false; + setGrayPalette(layer.mask_tiles[j][i]); + } + } + } ++ return true; + } + + +@@ -1072,7 +1101,7 @@ void XCFImageFormat::assignMaskBytes(Lay + * For indexed images, translucency is an all or nothing effect. + * \param xcf_image contains image info and bottom-most layer. + */ +-void XCFImageFormat::initializeImage(XCFImage& xcf_image) ++bool XCFImageFormat::initializeImage(XCFImage& xcf_image) + { + // (Aliases to make the code look a little better.) + Layer& layer(xcf_image.layer); +@@ -1082,12 +1111,16 @@ void XCFImageFormat::initializeImage(XCF + case RGB_GIMAGE: + if (layer.opacity == OPAQUE_OPACITY) { + image.create( xcf_image.width, xcf_image.height, 32); ++ if( image.isNull()) ++ return false; + image.fill(qRgb(255, 255, 255)); + break; + } // else, fall through to 32-bit representation + + case RGBA_GIMAGE: + image.create(xcf_image.width, xcf_image.height, 32); ++ if( image.isNull()) ++ return false; + image.fill(qRgba(255, 255, 255, 0)); + // Turning this on prevents fill() from affecting the alpha channel, + // by the way. +@@ -1097,6 +1130,8 @@ void XCFImageFormat::initializeImage(XCF + case GRAY_GIMAGE: + if (layer.opacity == OPAQUE_OPACITY) { + image.create(xcf_image.width, xcf_image.height, 8, 256); ++ if( image.isNull()) ++ return false; + setGrayPalette(image); + image.fill(255); + break; +@@ -1104,6 +1139,8 @@ void XCFImageFormat::initializeImage(XCF + + case GRAYA_GIMAGE: + image.create(xcf_image.width, xcf_image.height, 32); ++ if( image.isNull()) ++ return false; + image.fill(qRgba(255, 255, 255, 0)); + image.setAlphaBuffer(true); + break; +@@ -1125,12 +1162,16 @@ void XCFImageFormat::initializeImage(XCF + image.create(xcf_image.width, xcf_image.height, + 1, xcf_image.num_colors, + QImage::LittleEndian); ++ if( image.isNull()) ++ return false; + image.fill(0); + setPalette(xcf_image, image); + } else if (xcf_image.num_colors <= 256) { + image.create(xcf_image.width, xcf_image.height, + 8, xcf_image.num_colors, + QImage::LittleEndian); ++ if( image.isNull()) ++ return false; + image.fill(0); + setPalette(xcf_image, image); + } +@@ -1147,6 +1188,8 @@ void XCFImageFormat::initializeImage(XCF + image.create(xcf_image.width, xcf_image.height, + 1, xcf_image.num_colors, + QImage::LittleEndian); ++ if( image.isNull()) ++ return false; + image.fill(0); + setPalette(xcf_image, image); + image.setAlphaBuffer(true); +@@ -1160,6 +1203,8 @@ void XCFImageFormat::initializeImage(XCF + xcf_image.palette[0] = qRgba(255, 255, 255, 0); + image.create( xcf_image.width, xcf_image.height, + 8, xcf_image.num_colors); ++ if( image.isNull()) ++ return false; + image.fill(0); + setPalette(xcf_image, image); + image.setAlphaBuffer(true); +@@ -1168,6 +1213,8 @@ void XCFImageFormat::initializeImage(XCF + // true color. (There is no equivalent PNG representation output + // from The GIMP as of v1.2.) + image.create(xcf_image.width, xcf_image.height, 32); ++ if( image.isNull()) ++ return false; + image.fill(qRgba(255, 255, 255, 0)); + image.setAlphaBuffer(true); + } +@@ -1176,6 +1223,7 @@ void XCFImageFormat::initializeImage(XCF + + image.setDotsPerMeterX((int)(xcf_image.x_resolution * INCHESPERMETER)); + image.setDotsPerMeterY((int)(xcf_image.y_resolution * INCHESPERMETER)); ++ return true; + } + + +Index: xcf.h +=================================================================== +RCS file: /home/kde/kdelibs/kimgio/xcf.h,v +retrieving revision 1.1 +retrieving revision 1.1.2.1 +diff -u -3 -d -p -r1.1 -r1.1.2.1 +--- kimgio/xcf.h 13 Aug 2004 18:31:44 -0000 1.1 ++++ kimgio/xcf.h 19 Apr 2005 10:48:00 -0000 1.1.2.1 +@@ -176,7 +176,7 @@ private: + bool loadProperty(QDataStream& xcf_io, PropType& type, QByteArray& bytes); + bool loadLayer(QDataStream& xcf_io, XCFImage& xcf_image); + bool loadLayerProperties(QDataStream& xcf_io, Layer& layer); +- void composeTiles(XCFImage& xcf_image); ++ bool composeTiles(XCFImage& xcf_image); + void setGrayPalette(QImage& image); + void setPalette(XCFImage& xcf_image, QImage& image); + static void assignImageBytes(Layer& layer, uint i, uint j); +@@ -185,7 +185,7 @@ private: + static void assignMaskBytes(Layer& layer, uint i, uint j); + bool loadMask(QDataStream& xcf_io, Layer& layer); + bool loadChannelProperties(QDataStream& xcf_io, Layer& layer); +- void initializeImage(XCFImage& xcf_image); ++ bool initializeImage(XCFImage& xcf_image); + bool loadTileRLE(QDataStream& xcf_io, uchar* tile, int size, + int data_length, Q_INT32 bpp); + static void copyLayerToImage(XCFImage& xcf_image); +diff -u -3 -d -p -r1.12 -r1.12.2.1 +--- kimgio/xview.cpp 22 Nov 2004 03:52:18 -0000 1.12 ++++ kimgio/xview.cpp 19 Apr 2005 10:48:00 -0000 1.12.2.1 +@@ -7,6 +7,7 @@ + + #include <stdio.h> + #include <string.h> ++#include <stdlib.h> + #include <qimage.h> + + #include <kdelibs_export.h> +@@ -15,6 +16,9 @@ + + #define BUFSIZE 1024 + ++static const int b_255_3[]= {0,85,170,255}, // index*255/3 ++ rg_255_7[]={0,36,72,109,145,182,218,255}; // index *255/7 ++ + KDE_EXPORT void kimgio_xv_read( QImageIO *_imageio ) + { + int x=-1; +@@ -50,10 +54,14 @@ KDE_EXPORT void kimgio_xv_read( QImageIO + sscanf(str, "%d %d %d", &x, &y, &maxval); + + if (maxval != 255) return; ++ int blocksize = x*y; ++ if(x < 0 || y < 0 || blocksize < x || blocksize < y) ++ return; + + // now follows a binary block of x*y bytes. +- int blocksize = x*y; +- char *block = new char[ blocksize ]; ++ char *block = (char*) malloc(blocksize); ++ if(!block) ++ return; + + if (iodev->readBlock(block, blocksize) != blocksize ) + { +@@ -62,6 +70,10 @@ KDE_EXPORT void kimgio_xv_read( QImageIO + + // Create the image + QImage image( x, y, 8, maxval + 1, QImage::BigEndian ); ++ if( image.isNull()) { ++ free(block); ++ return; ++ } + + // how do the color handling? they are absolute 24bpp + // or at least can be calculated as such. +@@ -69,29 +81,9 @@ KDE_EXPORT void kimgio_xv_read( QImageIO + + for ( int j = 0; j < 256; j++ ) + { +-// ----------- OLIVER EIDEN +-// That is the old-code ! +-/* r = ((int) ((j >> 5) & 0x07)) << 5; +- g = ((int) ((j >> 2) & 0x07)) << 5; +- b = ((int) ((j >> 0) & 0x03)) << 6;*/ +- +- +-// That is the code-how xv, decode 3-3-2 pixmaps, it is slighly different, +-// but yields much better visuals results +-/* r = (((int) ((j >> 5) & 0x07)) *255) / 7; +- g = (((int) ((j >> 2) & 0x07)) *255) / 7; +- b = (((int) ((j >> 0) & 0x03)) *255) / 3;*/ +- +-// This is the same as xv, with multiplications/divisions replaced by indexing +- +-// Look-up table to avoid multiplications and divisons +- static int b_255_3[]= {0,85,170,255}, // index*255/3 +- rg_255_7[]={0,36,72,109,145,182,218,255}; // index *255/7 +- + r = rg_255_7[((j >> 5) & 0x07)]; + g = rg_255_7[((j >> 2) & 0x07)]; + b = b_255_3[((j >> 0) & 0x03)]; +-// --------------- + image.setColor( j, qRgb( r, g, b ) ); + } + +@@ -104,7 +96,7 @@ KDE_EXPORT void kimgio_xv_read( QImageIO + _imageio->setImage( image ); + _imageio->setStatus( 0 ); + +- delete [] block; ++ free(block); + return; + } + diff --git a/x11/kdelibs4/Makefile b/x11/kdelibs4/Makefile index bb24110f77c1..fd21ee05e54b 100644 --- a/x11/kdelibs4/Makefile +++ b/x11/kdelibs4/Makefile @@ -8,7 +8,7 @@ PORTNAME= kdelibs PORTVERSION= ${KDE_VERSION} -PORTREVISION= 1 +PORTREVISION= 2 CATEGORIES= x11 kde MASTER_SITES= ${MASTER_SITE_KDE} MASTER_SITE_SUBDIR= stable/${PORTVERSION:S/.0//}/src diff --git a/x11/kdelibs4/files/patch-post-3.4.0-kdelibs-kimgio b/x11/kdelibs4/files/patch-post-3.4.0-kdelibs-kimgio new file mode 100644 index 000000000000..f7990101ae3f --- /dev/null +++ b/x11/kdelibs4/files/patch-post-3.4.0-kdelibs-kimgio @@ -0,0 +1,1017 @@ +diff -u -3 -d -p -r1.4 -r1.4.2.1 +--- kimgio/exr.cpp 22 Nov 2004 03:48:27 -0000 1.4 ++++ kimgio/exr.cpp 19 Apr 2005 10:48:00 -0000 1.4.2.1 +@@ -136,6 +136,8 @@ KDE_EXPORT void kimgio_exr_read( QImageI + file.readPixels (dw.min.y, dw.max.y); + + QImage image(width, height, 32, 0, QImage::BigEndian); ++ if( image.isNull()) ++ return; + + // somehow copy pixels into image + for ( int y=0; y < height; y++ ) { +diff -u -3 -d -p -r1.4 -r1.4.2.1 +--- kimgio/g3r.cpp 22 Nov 2004 03:48:27 -0000 1.4 ++++ kimgio/g3r.cpp 18 Apr 2005 13:08:44 -0000 1.4.2.1 +@@ -28,7 +28,7 @@ KDE_EXPORT void kimgio_g3_read( QImageIO + + QImage image(width, height, 1, 0, QImage::BigEndian); + +- if (scanlength != image.bytesPerLine()) ++ if (image.isNull() || scanlength != image.bytesPerLine()) + { + TIFFClose(tiff); + return; +diff -u -3 -d -p -r1.14 -r1.14.2.1 +--- kimgio/jp2.cpp 22 Nov 2004 03:48:27 -0000 1.14 ++++ kimgio/jp2.cpp 19 Apr 2005 10:48:00 -0000 1.14.2.1 +@@ -157,8 +157,9 @@ namespace { + void + draw_view_gray( gs_t& gs, QImage& qti ) + { +- qti.create( jas_image_width( gs.image ), jas_image_height( gs.image ), +- 8, 256 ); ++ if( !qti.create( jas_image_width( gs.image ), jas_image_height( gs.image ), ++ 8, 256 )) ++ return; + for( int i = 0; i < 256; ++i ) + qti.setColor( i, qRgb( i, i, i ) ); + +diff -u -3 -d -p -r1.12 -r1.12.2.2 +--- kimgio/pcx.cpp 22 Nov 2004 03:48:27 -0000 1.12 ++++ kimgio/pcx.cpp 19 Apr 2005 10:48:00 -0000 1.12.2.2 +@@ -1,5 +1,5 @@ + /* This file is part of the KDE project +- Copyright (C) 2002-2003 Nadeem Hasan <nhasan@kde.org> ++ Copyright (C) 2002-2005 Nadeem Hasan <nhasan@kde.org> + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public +@@ -44,6 +44,11 @@ static QDataStream &operator>>( QDataStr + s >> ph.HScreenSize; + s >> ph.VScreenSize; + ++ // Skip the rest of the header ++ Q_UINT8 byte; ++ while ( s.device()->at() < 128 ) ++ s >> byte; ++ + return s; + } + +@@ -85,25 +90,22 @@ static QDataStream &operator<<( QDataStr + return s; + } + +-static PCXHEADER header; +-static QImage img; +-static Q_UINT16 w, h; +- +-void PCXHEADER::reset() ++PCXHEADER::PCXHEADER() + { ++ // Initialize all data to zero + QByteArray dummy( 128 ); + dummy.fill( 0 ); + QDataStream s( dummy, IO_ReadOnly ); + s >> *this; + } + +-static void readLine( QDataStream &s, QByteArray &buf ) ++static void readLine( QDataStream &s, QByteArray &buf, const PCXHEADER &header ) + { + Q_UINT32 i=0; + Q_UINT32 size = buf.size(); + Q_UINT8 byte, count; + +- if ( header.Encoding == 1 ) ++ if ( header.isCompressed() ) + { + // Uncompress the image data + while ( i < size ) +@@ -130,13 +132,14 @@ static void readLine( QDataStream &s, QB + } + } + +-static void readImage1( QDataStream &s ) ++static void readImage1( QImage &img, QDataStream &s, const PCXHEADER &header ) + { + QByteArray buf( header.BytesPerLine ); + +- img.create( w, h, 1, 2, QImage::BigEndian ); ++ if(!img.create( header.width(), header.height(), 1, 2, QImage::BigEndian )) ++ return; + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + if ( s.atEnd() ) + { +@@ -144,10 +147,11 @@ static void readImage1( QDataStream &s ) + return; + } + +- readLine( s, buf ); +- +- for ( int x=0; x<header.BytesPerLine; ++x ) +- *( img.scanLine( y )+x ) = buf[ x ]; ++ readLine( s, buf, header ); ++ uchar *p = img.scanLine( y ); ++ unsigned int bpl = QMIN((header.width()+7)/8, header.BytesPerLine); ++ for ( unsigned int x=0; x< bpl; ++x ) ++ p[ x ] = buf[x]; + } + + // Set the color palette +@@ -155,14 +159,15 @@ static void readImage1( QDataStream &s ) + img.setColor( 1, qRgb( 255, 255, 255 ) ); + } + +-static void readImage4( QDataStream &s ) ++static void readImage4( QImage &img, QDataStream &s, const PCXHEADER &header ) + { + QByteArray buf( header.BytesPerLine*4 ); +- QByteArray pixbuf( w ); ++ QByteArray pixbuf( header.width() ); + +- img.create( w, h, 8, 16, QImage::IgnoreEndian ); ++ if(!img.create( header.width(), header.height(), 8, 16 )) ++ return; + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + if ( s.atEnd() ) + { +@@ -171,20 +176,19 @@ static void readImage4( QDataStream &s ) + } + + pixbuf.fill( 0 ); +- readLine( s, buf ); ++ readLine( s, buf, header ); + + for ( int i=0; i<4; i++ ) + { + Q_UINT32 offset = i*header.BytesPerLine; +- for ( int x=0; x<w; ++x ) ++ for ( unsigned int x=0; x<header.width(); ++x ) + if ( buf[ offset + ( x/8 ) ] & ( 128 >> ( x%8 ) ) ) + pixbuf[ x ] += ( 1 << i ); + } + + uchar *p = img.scanLine( y ); +- +- for ( int x=0; x<w; ++x ) +- *p++ = pixbuf[ x ]; ++ for ( unsigned int x=0; x<header.width(); ++x ) ++ p[ x ] = pixbuf[ x ]; + } + + // Read the palette +@@ -192,13 +196,14 @@ static void readImage4( QDataStream &s ) + img.setColor( i, header.ColorMap.color( i ) ); + } + +-static void readImage8( QDataStream &s ) ++static void readImage8( QImage &img, QDataStream &s, const PCXHEADER &header ) + { + QByteArray buf( header.BytesPerLine ); + +- img.create( w, h, 8, 256, QImage::IgnoreEndian ); ++ if(!img.create( header.width(), header.height(), 8, 256 )) ++ return; + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + if ( s.atEnd() ) + { +@@ -206,19 +211,19 @@ static void readImage8( QDataStream &s ) + return; + } + +- readLine( s, buf ); ++ readLine( s, buf, header ); + + uchar *p = img.scanLine( y ); +- +- for ( int x=0; x<header.BytesPerLine; ++x ) +- *p++ = buf[ x ]; ++ unsigned int bpl = QMIN(header.BytesPerLine, header.width()); ++ for ( unsigned int x=0; x<bpl; ++x ) ++ p[ x ] = buf[ x ]; + } + + Q_UINT8 flag; + s >> flag; +- kdDebug() << "Flag: " << flag << endl; ++ kdDebug( 399 ) << "Palette Flag: " << flag << endl; + +- if ( flag == 12 && header.Version == 5 ) ++ if ( flag == 12 && ( header.Version == 5 || header.Version == 2 ) ) + { + // Read the palette + Q_UINT8 r, g, b; +@@ -230,15 +235,16 @@ static void readImage8( QDataStream &s ) + } + } + +-static void readImage24( QDataStream &s ) ++static void readImage24( QImage &img, QDataStream &s, const PCXHEADER &header ) + { + QByteArray r_buf( header.BytesPerLine ); + QByteArray g_buf( header.BytesPerLine ); + QByteArray b_buf( header.BytesPerLine ); + +- img.create( w, h, 32 ); ++ if(!img.create( header.width(), header.height(), 32 )) ++ return; + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + if ( s.atEnd() ) + { +@@ -246,14 +252,13 @@ static void readImage24( QDataStream &s + return; + } + +- readLine( s, r_buf ); +- readLine( s, g_buf ); +- readLine( s, b_buf ); ++ readLine( s, r_buf, header ); ++ readLine( s, g_buf, header ); ++ readLine( s, b_buf, header ); + + uint *p = ( uint * )img.scanLine( y ); +- +- for ( int x=0; x<header.BytesPerLine; ++x ) +- *p++ = qRgb( r_buf[ x ], g_buf[ x ], b_buf[ x ] ); ++ for ( unsigned int x=0; x<header.width(); ++x ) ++ p[ x ] = qRgb( r_buf[ x ], g_buf[ x ], b_buf[ x ] ); + } + } + +@@ -268,6 +273,8 @@ KDE_EXPORT void kimgio_pcx_read( QImageI + return; + } + ++ PCXHEADER header; ++ + s >> header; + + if ( header.Manufacturer != 10 || s.atEnd()) +@@ -276,10 +283,8 @@ KDE_EXPORT void kimgio_pcx_read( QImageI + return; + } + +- w = ( header.XMax-header.XMin ) + 1; +- h = ( header.YMax-header.YMin ) + 1; +- +- img.reset(); ++ int w = header.width(); ++ int h = header.height(); + + kdDebug( 399 ) << "Manufacturer: " << header.Manufacturer << endl; + kdDebug( 399 ) << "Version: " << header.Version << endl; +@@ -288,30 +293,27 @@ KDE_EXPORT void kimgio_pcx_read( QImageI + kdDebug( 399 ) << "Width: " << w << endl; + kdDebug( 399 ) << "Height: " << h << endl; + kdDebug( 399 ) << "Window: " << header.XMin << "," << header.XMax << "," +- << header.YMin << "," << header.YMax << endl; ++ << header.YMin << "," << header.YMax << endl; + kdDebug( 399 ) << "BytesPerLine: " << header.BytesPerLine << endl; + kdDebug( 399 ) << "NPlanes: " << header.NPlanes << endl; + +- // Skip the rest of the header +- Q_UINT8 byte; +- while ( s.device()->at() < 128 ) +- s >> byte; ++ QImage img; + + if ( header.Bpp == 1 && header.NPlanes == 1 ) + { +- readImage1( s ); ++ readImage1( img, s, header ); + } + else if ( header.Bpp == 1 && header.NPlanes == 4 ) + { +- readImage4( s ); ++ readImage4( img, s, header ); + } + else if ( header.Bpp == 8 && header.NPlanes == 1 ) + { +- readImage8( s ); ++ readImage8( img, s, header ); + } + else if ( header.Bpp == 8 && header.NPlanes == 3 ) + { +- readImage24( s ); ++ readImage24( img, s, header ); + } + + kdDebug( 399 ) << "Image Bytes: " << img.numBytes() << endl; +@@ -359,7 +361,7 @@ static void writeLine( QDataStream &s, Q + } + } + +-static void writeImage1( QDataStream &s ) ++static void writeImage1( QImage &img, QDataStream &s, PCXHEADER &header ) + { + img = img.convertBitOrder( QImage::BigEndian ); + +@@ -367,29 +369,27 @@ static void writeImage1( QDataStream &s + header.NPlanes = 1; + header.BytesPerLine = img.bytesPerLine(); + +- header.ColorMap.setColor( 0, qRgb( 0, 0, 0 ) ); +- header.ColorMap.setColor( 1, qRgb( 255, 255, 255 ) ); +- + s << header; + + QByteArray buf( header.BytesPerLine ); + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + Q_UINT8 *p = img.scanLine( y ); + ++ // Invert as QImage uses reverse palette for monochrome images? + for ( int i=0; i<header.BytesPerLine; ++i ) +- buf[ i ] = p[ i ]; ++ buf[ i ] = ~p[ i ]; + + writeLine( s, buf ); + } + } + +-static void writeImage4( QDataStream &s ) ++static void writeImage4( QImage &img, QDataStream &s, PCXHEADER &header ) + { + header.Bpp = 1; + header.NPlanes = 4; +- header.BytesPerLine = w/8; ++ header.BytesPerLine = header.width()/8; + + for ( int i=0; i<16; ++i ) + header.ColorMap.setColor( i, img.color( i ) ); +@@ -401,14 +401,14 @@ static void writeImage4( QDataStream &s + for ( int i=0; i<4; ++i ) + buf[ i ].resize( header.BytesPerLine ); + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + Q_UINT8 *p = img.scanLine( y ); + + for ( int i=0; i<4; ++i ) + buf[ i ].fill( 0 ); + +- for ( int x=0; x<w; ++x ) ++ for ( unsigned int x=0; x<header.width(); ++x ) + { + for ( int i=0; i<4; ++i ) + if ( *( p+x ) & ( 1 << i ) ) +@@ -420,7 +420,7 @@ static void writeImage4( QDataStream &s + } + } + +-static void writeImage8( QDataStream &s ) ++static void writeImage8( QImage &img, QDataStream &s, PCXHEADER &header ) + { + header.Bpp = 8; + header.NPlanes = 1; +@@ -430,7 +430,7 @@ static void writeImage8( QDataStream &s + + QByteArray buf( header.BytesPerLine ); + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + Q_UINT8 *p = img.scanLine( y ); + +@@ -449,23 +449,23 @@ static void writeImage8( QDataStream &s + s << RGB( img.color( i ) ); + } + +-static void writeImage24( QDataStream &s ) ++static void writeImage24( QImage &img, QDataStream &s, PCXHEADER &header ) + { + header.Bpp = 8; + header.NPlanes = 3; +- header.BytesPerLine = w; ++ header.BytesPerLine = header.width(); + + s << header; + +- QByteArray r_buf( w ); +- QByteArray g_buf( w ); +- QByteArray b_buf( w ); ++ QByteArray r_buf( header.width() ); ++ QByteArray g_buf( header.width() ); ++ QByteArray b_buf( header.width() ); + +- for ( int y=0; y<h; ++y ) ++ for ( int y=0; y<header.height(); ++y ) + { + uint *p = ( uint * )img.scanLine( y ); + +- for ( int x=0; x<w; ++x ) ++ for ( unsigned int x=0; x<header.width(); ++x ) + { + QRgb rgb = *p++; + r_buf[ x ] = qRed( rgb ); +@@ -484,10 +484,10 @@ KDE_EXPORT void kimgio_pcx_write( QImage + QDataStream s( io->ioDevice() ); + s.setByteOrder( QDataStream::LittleEndian ); + +- img = io->image(); ++ QImage img = io->image(); + +- w = img.width(); +- h = img.height(); ++ int w = img.width(); ++ int h = img.height(); + + kdDebug( 399 ) << "Width: " << w << endl; + kdDebug( 399 ) << "Height: " << h << endl; +@@ -495,6 +495,8 @@ KDE_EXPORT void kimgio_pcx_write( QImage + kdDebug( 399 ) << "BytesPerLine: " << img.bytesPerLine() << endl; + kdDebug( 399 ) << "Num Colors: " << img.numColors() << endl; + ++ PCXHEADER header; ++ + header.Manufacturer = 10; + header.Version = 5; + header.Encoding = 1; +@@ -509,19 +511,19 @@ KDE_EXPORT void kimgio_pcx_write( QImage + + if ( img.depth() == 1 ) + { +- writeImage1( s ); ++ writeImage1( img, s, header ); + } + else if ( img.depth() == 8 && img.numColors() <= 16 ) + { +- writeImage4( s ); ++ writeImage4( img, s, header ); + } + else if ( img.depth() == 8 ) + { +- writeImage8( s ); ++ writeImage8( img, s, header ); + } + else if ( img.depth() == 32 ) + { +- writeImage24( s ); ++ writeImage24( img, s, header ); + } + + io->setStatus( 0 ); +Index: pcx.h +=================================================================== +RCS file: /home/kde/kdelibs/kimgio/pcx.h,v +retrieving revision 1.4 +retrieving revision 1.4.8.1 +diff -u -3 -d -p -r1.4 -r1.4.8.1 +--- kimgio/pcx.h 4 Jan 2003 00:48:25 -0000 1.4 ++++ kimgio/pcx.h 19 Apr 2005 10:48:00 -0000 1.4.8.1 +@@ -49,7 +49,7 @@ class Palette + rgb[ i ] = RGB( color ); + } + +- QRgb color( int i ) ++ QRgb color( int i ) const + { + return qRgb( rgb[ i ].r, rgb[ i ].g, rgb[ i ].b ); + } +@@ -60,12 +60,11 @@ class Palette + class PCXHEADER + { + public: +- PCXHEADER() +- { +- reset(); +- } ++ PCXHEADER(); + +- void reset(); ++ inline int width() const { return ( XMax-XMin ) + 1; } ++ inline int height() const { return ( YMax-YMin ) + 1; } ++ inline bool isCompressed() const { return ( Encoding==1 ); } + + Q_UINT8 Manufacturer; // Constant Flag, 10 = ZSoft .pcx + Q_UINT8 Version; // Version information· +@@ -99,7 +98,7 @@ class PCXHEADER + // found only in PB IV/IV Plus + Q_UINT16 VScreenSize; // Vertical screen size in pixels. New field + // found only in PB IV/IV Plus +-}; ++} KDE_PACKED; + + #endif // PCX_H + +diff -u -3 -d -p -r1.1 -r1.1.2.1 +--- kimgio/psd.cpp 16 Dec 2004 09:59:07 -0000 1.1 ++++ kimgio/psd.cpp 19 Apr 2005 10:48:00 -0000 1.1.2.1 +@@ -66,6 +66,19 @@ namespace { // Private. + s >> header.color_mode; + return s; + } ++ static bool seekBy(QDataStream& s, unsigned int bytes) ++ { ++ char buf[4096]; ++ while (bytes) { ++ unsigned int num= QMIN(bytes,sizeof(buf)); ++ unsigned int l = num; ++ s.readRawBytes(buf, l); ++ if(l != num) ++ return false; ++ bytes -= num; ++ } ++ return true; ++ } + + // Check that the header is a valid PSD. + static bool IsValid( const PSDHeader & header ) +@@ -149,10 +162,8 @@ namespace { // Private. + if( compression ) { + + // Skip row lengths. +- ushort w; +- for(uint i = 0; i < header.height * header.channel_count; i++) { +- s >> w; +- } ++ if(!seekBy(s, header.height*header.channel_count*sizeof(ushort))) ++ return false; + + // Read RLE data. + for(uint channel = 0; channel < channel_num; channel++) { +@@ -162,6 +173,8 @@ namespace { // Private. + uint count = 0; + while( count < pixel_count ) { + uchar c; ++ if(s.atEnd()) ++ return false; + s >> c; + uint len = c; + +@@ -169,6 +182,9 @@ namespace { // Private. + // Copy next len+1 bytes literally. + len++; + count += len; ++ if ( count > pixel_count ) ++ return false; ++ + while( len != 0 ) { + s >> *ptr; + ptr += 4; +@@ -181,6 +197,8 @@ namespace { // Private. + len ^= 0xFF; + len += 2; + count += len; ++ if(s.atEnd() || count > pixel_count) ++ return false; + uchar val; + s >> val; + while( len != 0 ) { +diff -u -3 -d -p -r1.31 -r1.31.2.1 +--- kimgio/rgb.cpp 10 Jan 2005 19:54:19 -0000 1.31 ++++ kimgio/rgb.cpp 19 Apr 2005 10:48:00 -0000 1.31.2.1 +@@ -87,7 +87,9 @@ bool SGIImage::getRow(uchar *dest) + int n, i; + if (!m_rle) { + for (i = 0; i < m_xsize; i++) { +- *dest++ = uchar(*m_pos); ++ if(m_pos >= m_data.end()) ++ return false; ++ dest[i] = uchar(*m_pos); + m_pos += m_bpc; + } + return true; +@@ -120,7 +122,7 @@ bool SGIImage::readData(QImage& img) + { + QRgb *c; + Q_UINT32 *start = m_starttab; +- QCString lguard(m_xsize); ++ QByteArray lguard(m_xsize); + uchar *line = (uchar *)lguard.data(); + unsigned x, y; + +@@ -128,7 +130,7 @@ bool SGIImage::readData(QImage& img) + m_pos = m_data.begin(); + + for (y = 0; y < m_ysize; y++) { +- c = reinterpret_cast<QRgb *>(img.scanLine(m_ysize - y - 1)); ++ c = (QRgb *) img.scanLine(m_ysize - y - 1); + if (m_rle) + m_pos = m_data.begin() + *start++; + if (!getRow(line)) +@@ -166,11 +168,11 @@ bool SGIImage::readData(QImage& img) + } + + for (y = 0; y < m_ysize; y++) { +- c = reinterpret_cast<QRgb *>(img.scanLine(m_ysize - y - 1)); + if (m_rle) + m_pos = m_data.begin() + *start++; + if (!getRow(line)) + return false; ++ c = (QRgb*) img.scanLine(m_ysize - y - 1); + for (x = 0; x < m_xsize; x++, c++) + *c = qRgba(qRed(*c), qGreen(*c), qBlue(*c), line[x]); + } +@@ -270,7 +272,7 @@ bool SGIImage::readImage(QImage& img) + // sanity ckeck + if (m_rle) + for (uint o = 0; o < m_numrows; o++) +- if (m_starttab[o] + m_lengthtab[o] > m_data.size()) { ++ if (m_starttab[o] + m_lengthtab[o] >= m_data.size()) { + kdDebug(399) << "image corrupt (sanity check failed)" << endl; + return false; + } +diff -u -3 -d -p -r1.14 -r1.14.2.1 +--- kimgio/tiffr.cpp 22 Nov 2004 03:52:18 -0000 1.14 ++++ kimgio/tiffr.cpp 19 Apr 2005 10:48:00 -0000 1.14.2.1 +@@ -84,6 +84,10 @@ KDE_EXPORT void kimgio_tiff_read( QImage + return; + + QImage image( width, height, 32 ); ++ if( image.isNull()) { ++ TIFFClose( tiff ); ++ return; ++ } + data = (uint32 *)image.bits(); + + //Sven: changed to %ld for 64bit machines +diff -u -3 -d -p -r1.3 -r1.3.2.1 +--- kimgio/xcf.cpp 22 Nov 2004 03:48:27 -0000 1.3 ++++ kimgio/xcf.cpp 19 Apr 2005 10:48:00 -0000 1.3.2.1 +@@ -234,10 +234,10 @@ bool XCFImageFormat::loadImageProperties + property.readBytes(tag, size); + + Q_UINT32 flags; +- char* data; ++ char* data=0; + property >> flags >> data; + +- if (strcmp(tag, "gimp-comment") == 0) ++ if (tag && strncmp(tag, "gimp-comment", strlen("gimp-comment")) == 0) + xcf_image.image.setText("Comment", 0, data); + + delete[] tag; +@@ -257,6 +257,9 @@ bool XCFImageFormat::loadImageProperties + + case PROP_COLORMAP: + property >> xcf_image.num_colors; ++ if(xcf_image.num_colors < 0 || xcf_image.num_colors > 65535) ++ return false; ++ + xcf_image.palette.reserve(xcf_image.num_colors); + + for (int i = 0; i < xcf_image.num_colors; i++) { +@@ -307,6 +310,9 @@ bool XCFImageFormat::loadProperty(QDataS + return false; + } + ++ if(size > 65535 || size < 4) ++ return false; ++ + size = 3 * (size - 4) + 4; + data = new char[size]; + +@@ -336,19 +342,21 @@ bool XCFImageFormat::loadProperty(QDataS + } + + size = 0; +- } else +- xcf_io.readBytes(data, size); ++ } else { ++ xcf_io >> size; ++ if(size >256000) ++ return false; ++ data = new char[size]; ++ xcf_io.readRawBytes(data, size); ++ } + + if (xcf_io.device()->status() != IO_Ok) { + kdDebug(399) << "XCF: read failure on property " << type << " data, size " << size << endl; + return false; + } + +- if (size != 0) { +- bytes.resize(size); +- for (uint i = 0; i < size; i++) +- bytes[i] = data[i]; +- delete[] data; ++ if (size != 0 && data) { ++ bytes.assign(data,size); + } + + return true; +@@ -401,7 +409,8 @@ bool XCFImageFormat::loadLayer(QDataStre + // Allocate the individual tile QImages based on the size and type + // of this layer. + +- composeTiles(xcf_image); ++ if( !composeTiles(xcf_image)) ++ return false; + xcf_io.device()->at(layer.hierarchy_offset); + + // As tiles are loaded, they are copied into the layers tiles by +@@ -425,7 +434,8 @@ bool XCFImageFormat::loadLayer(QDataStre + // of the QImage. + + if (!xcf_image.initialized) { +- initializeImage(xcf_image); ++ if( !initializeImage(xcf_image)) ++ return false; + copyLayerToImage(xcf_image); + xcf_image.initialized = true; + } else +@@ -516,7 +526,7 @@ bool XCFImageFormat::loadLayerProperties + * QImage structures for each of them. + * \param xcf_image contains the current layer. + */ +-void XCFImageFormat::composeTiles(XCFImage& xcf_image) ++bool XCFImageFormat::composeTiles(XCFImage& xcf_image) + { + Layer& layer(xcf_image.layer); + +@@ -556,48 +566,67 @@ void XCFImageFormat::composeTiles(XCFIma + switch (layer.type) { + case RGB_GIMAGE: + layer.image_tiles[j][i] = QImage(tile_width, tile_height, 32, 0); ++ if( layer.image_tiles[j][i].isNull()) ++ return false; + layer.image_tiles[j][i].setAlphaBuffer(false); + break; + + case RGBA_GIMAGE: + layer.image_tiles[j][i] = QImage(tile_width, tile_height, 32, 0); ++ if( layer.image_tiles[j][i].isNull()) ++ return false; + layer.image_tiles[j][i].setAlphaBuffer(true); + break; + + case GRAY_GIMAGE: + layer.image_tiles[j][i] = QImage(tile_width, tile_height, 8, 256); ++ if( layer.image_tiles[j][i].isNull()) ++ return false; + setGrayPalette(layer.image_tiles[j][i]); + break; + + case GRAYA_GIMAGE: + layer.image_tiles[j][i] = QImage(tile_width, tile_height, 8, 256); ++ if( layer.image_tiles[j][i].isNull()) ++ return false; + setGrayPalette(layer.image_tiles[j][i]); + + layer.alpha_tiles[j][i] = QImage( tile_width, tile_height, 8, 256); ++ if( layer.alpha_tiles[j][i].isNull()) ++ return false; + setGrayPalette(layer.alpha_tiles[j][i]); + break; + + case INDEXED_GIMAGE: + layer.image_tiles[j][i] = QImage(tile_width, tile_height, 8, + xcf_image.num_colors); ++ if( layer.image_tiles[j][i].isNull()) ++ return false; + setPalette(xcf_image, layer.image_tiles[j][i]); + break; + + case INDEXEDA_GIMAGE: + layer.image_tiles[j][i] = QImage(tile_width, tile_height,8, + xcf_image.num_colors); ++ if( layer.image_tiles[j][i].isNull()) ++ return false; + setPalette(xcf_image, layer.image_tiles[j][i]); + + layer.alpha_tiles[j][i] = QImage(tile_width, tile_height, 8, 256); ++ if( layer.alpha_tiles[j][i].isNull()) ++ return false; + setGrayPalette(layer.alpha_tiles[j][i]); + } + + if (layer.mask_offset != 0) { + layer.mask_tiles[j][i] = QImage(tile_width, tile_height, 8, 256); ++ if( layer.mask_tiles[j][i].isNull()) ++ return false; + setGrayPalette(layer.mask_tiles[j][i]); + } + } + } ++ return true; + } + + +@@ -1072,7 +1101,7 @@ void XCFImageFormat::assignMaskBytes(Lay + * For indexed images, translucency is an all or nothing effect. + * \param xcf_image contains image info and bottom-most layer. + */ +-void XCFImageFormat::initializeImage(XCFImage& xcf_image) ++bool XCFImageFormat::initializeImage(XCFImage& xcf_image) + { + // (Aliases to make the code look a little better.) + Layer& layer(xcf_image.layer); +@@ -1082,12 +1111,16 @@ void XCFImageFormat::initializeImage(XCF + case RGB_GIMAGE: + if (layer.opacity == OPAQUE_OPACITY) { + image.create( xcf_image.width, xcf_image.height, 32); ++ if( image.isNull()) ++ return false; + image.fill(qRgb(255, 255, 255)); + break; + } // else, fall through to 32-bit representation + + case RGBA_GIMAGE: + image.create(xcf_image.width, xcf_image.height, 32); ++ if( image.isNull()) ++ return false; + image.fill(qRgba(255, 255, 255, 0)); + // Turning this on prevents fill() from affecting the alpha channel, + // by the way. +@@ -1097,6 +1130,8 @@ void XCFImageFormat::initializeImage(XCF + case GRAY_GIMAGE: + if (layer.opacity == OPAQUE_OPACITY) { + image.create(xcf_image.width, xcf_image.height, 8, 256); ++ if( image.isNull()) ++ return false; + setGrayPalette(image); + image.fill(255); + break; +@@ -1104,6 +1139,8 @@ void XCFImageFormat::initializeImage(XCF + + case GRAYA_GIMAGE: + image.create(xcf_image.width, xcf_image.height, 32); ++ if( image.isNull()) ++ return false; + image.fill(qRgba(255, 255, 255, 0)); + image.setAlphaBuffer(true); + break; +@@ -1125,12 +1162,16 @@ void XCFImageFormat::initializeImage(XCF + image.create(xcf_image.width, xcf_image.height, + 1, xcf_image.num_colors, + QImage::LittleEndian); ++ if( image.isNull()) ++ return false; + image.fill(0); + setPalette(xcf_image, image); + } else if (xcf_image.num_colors <= 256) { + image.create(xcf_image.width, xcf_image.height, + 8, xcf_image.num_colors, + QImage::LittleEndian); ++ if( image.isNull()) ++ return false; + image.fill(0); + setPalette(xcf_image, image); + } +@@ -1147,6 +1188,8 @@ void XCFImageFormat::initializeImage(XCF + image.create(xcf_image.width, xcf_image.height, + 1, xcf_image.num_colors, + QImage::LittleEndian); ++ if( image.isNull()) ++ return false; + image.fill(0); + setPalette(xcf_image, image); + image.setAlphaBuffer(true); +@@ -1160,6 +1203,8 @@ void XCFImageFormat::initializeImage(XCF + xcf_image.palette[0] = qRgba(255, 255, 255, 0); + image.create( xcf_image.width, xcf_image.height, + 8, xcf_image.num_colors); ++ if( image.isNull()) ++ return false; + image.fill(0); + setPalette(xcf_image, image); + image.setAlphaBuffer(true); +@@ -1168,6 +1213,8 @@ void XCFImageFormat::initializeImage(XCF + // true color. (There is no equivalent PNG representation output + // from The GIMP as of v1.2.) + image.create(xcf_image.width, xcf_image.height, 32); ++ if( image.isNull()) ++ return false; + image.fill(qRgba(255, 255, 255, 0)); + image.setAlphaBuffer(true); + } +@@ -1176,6 +1223,7 @@ void XCFImageFormat::initializeImage(XCF + + image.setDotsPerMeterX((int)(xcf_image.x_resolution * INCHESPERMETER)); + image.setDotsPerMeterY((int)(xcf_image.y_resolution * INCHESPERMETER)); ++ return true; + } + + +Index: xcf.h +=================================================================== +RCS file: /home/kde/kdelibs/kimgio/xcf.h,v +retrieving revision 1.1 +retrieving revision 1.1.2.1 +diff -u -3 -d -p -r1.1 -r1.1.2.1 +--- kimgio/xcf.h 13 Aug 2004 18:31:44 -0000 1.1 ++++ kimgio/xcf.h 19 Apr 2005 10:48:00 -0000 1.1.2.1 +@@ -176,7 +176,7 @@ private: + bool loadProperty(QDataStream& xcf_io, PropType& type, QByteArray& bytes); + bool loadLayer(QDataStream& xcf_io, XCFImage& xcf_image); + bool loadLayerProperties(QDataStream& xcf_io, Layer& layer); +- void composeTiles(XCFImage& xcf_image); ++ bool composeTiles(XCFImage& xcf_image); + void setGrayPalette(QImage& image); + void setPalette(XCFImage& xcf_image, QImage& image); + static void assignImageBytes(Layer& layer, uint i, uint j); +@@ -185,7 +185,7 @@ private: + static void assignMaskBytes(Layer& layer, uint i, uint j); + bool loadMask(QDataStream& xcf_io, Layer& layer); + bool loadChannelProperties(QDataStream& xcf_io, Layer& layer); +- void initializeImage(XCFImage& xcf_image); ++ bool initializeImage(XCFImage& xcf_image); + bool loadTileRLE(QDataStream& xcf_io, uchar* tile, int size, + int data_length, Q_INT32 bpp); + static void copyLayerToImage(XCFImage& xcf_image); +diff -u -3 -d -p -r1.12 -r1.12.2.1 +--- kimgio/xview.cpp 22 Nov 2004 03:52:18 -0000 1.12 ++++ kimgio/xview.cpp 19 Apr 2005 10:48:00 -0000 1.12.2.1 +@@ -7,6 +7,7 @@ + + #include <stdio.h> + #include <string.h> ++#include <stdlib.h> + #include <qimage.h> + + #include <kdelibs_export.h> +@@ -15,6 +16,9 @@ + + #define BUFSIZE 1024 + ++static const int b_255_3[]= {0,85,170,255}, // index*255/3 ++ rg_255_7[]={0,36,72,109,145,182,218,255}; // index *255/7 ++ + KDE_EXPORT void kimgio_xv_read( QImageIO *_imageio ) + { + int x=-1; +@@ -50,10 +54,14 @@ KDE_EXPORT void kimgio_xv_read( QImageIO + sscanf(str, "%d %d %d", &x, &y, &maxval); + + if (maxval != 255) return; ++ int blocksize = x*y; ++ if(x < 0 || y < 0 || blocksize < x || blocksize < y) ++ return; + + // now follows a binary block of x*y bytes. +- int blocksize = x*y; +- char *block = new char[ blocksize ]; ++ char *block = (char*) malloc(blocksize); ++ if(!block) ++ return; + + if (iodev->readBlock(block, blocksize) != blocksize ) + { +@@ -62,6 +70,10 @@ KDE_EXPORT void kimgio_xv_read( QImageIO + + // Create the image + QImage image( x, y, 8, maxval + 1, QImage::BigEndian ); ++ if( image.isNull()) { ++ free(block); ++ return; ++ } + + // how do the color handling? they are absolute 24bpp + // or at least can be calculated as such. +@@ -69,29 +81,9 @@ KDE_EXPORT void kimgio_xv_read( QImageIO + + for ( int j = 0; j < 256; j++ ) + { +-// ----------- OLIVER EIDEN +-// That is the old-code ! +-/* r = ((int) ((j >> 5) & 0x07)) << 5; +- g = ((int) ((j >> 2) & 0x07)) << 5; +- b = ((int) ((j >> 0) & 0x03)) << 6;*/ +- +- +-// That is the code-how xv, decode 3-3-2 pixmaps, it is slighly different, +-// but yields much better visuals results +-/* r = (((int) ((j >> 5) & 0x07)) *255) / 7; +- g = (((int) ((j >> 2) & 0x07)) *255) / 7; +- b = (((int) ((j >> 0) & 0x03)) *255) / 3;*/ +- +-// This is the same as xv, with multiplications/divisions replaced by indexing +- +-// Look-up table to avoid multiplications and divisons +- static int b_255_3[]= {0,85,170,255}, // index*255/3 +- rg_255_7[]={0,36,72,109,145,182,218,255}; // index *255/7 +- + r = rg_255_7[((j >> 5) & 0x07)]; + g = rg_255_7[((j >> 2) & 0x07)]; + b = b_255_3[((j >> 0) & 0x03)]; +-// --------------- + image.setColor( j, qRgb( r, g, b ) ); + } + +@@ -104,7 +96,7 @@ KDE_EXPORT void kimgio_xv_read( QImageIO + _imageio->setImage( image ); + _imageio->setStatus( 0 ); + +- delete [] block; ++ free(block); + return; + } + |