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Andrey Kiselev 2010-07-01 15:56:56 +00:00
parent ec2b508f60
commit 0cd06f1134
2 changed files with 32 additions and 15 deletions
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13
ChangeLog
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@ -1,3 +1,16 @@
2010-07-01 Andrey Kiselev <dron@ak4719.spb.edu>
* tools/tiffgt.c: Properly check the raster buffer allocations for
integer overflows. As per bug
http://bugzilla.maptools.org/show_bug.cgi?id=2108
* m4/acinclude.m4: Update GL/GLU/GLUt/Pthread macros from the
upstream.
* libtiff/{tif_aux.c, tif_strip.c, tif_tile.c, tiffiop.h}: Move
multiply_32() and multiply_64() functions into tif_aux.c file and
rename them into _TIFFMultiply32() and _TIFFMultiply64() respectively.
2010-06-30 Andrey Kiselev <dron@ak4719.spb.edu>
* tools/tiff2pdf.c: Better generation of ID field in

34
tools/tiffgt.c
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@ -1,4 +1,4 @@
/* $Id: tiffgt.c,v 1.9 2010-03-10 18:56:50 bfriesen Exp $ */
/* $Id: tiffgt.c,v 1.10 2010-07-01 15:56:56 dron Exp $ */
/*
* Copyright (c) 1988-1997 Sam Leffler
@ -40,6 +40,7 @@
#endif
#include "tiffio.h"
#include "tiffiop.h"
#ifndef HAVE_GETOPT
extern int getopt(int, char**, char*);
@ -224,21 +225,24 @@ initImage(void)
w = xmax;
}
if (w != width || h != height) {
if (raster != NULL)
_TIFFfree(raster), raster = NULL;
raster = (uint32*) _TIFFmalloc(img.width * img.height * sizeof (uint32));
if (raster == NULL) {
width = height = 0;
TIFFError(filelist[fileindex], "No space for raster buffer");
cleanup_and_exit();
}
width = w;
height = h;
}
TIFFRGBAImageGet(&img, raster, img.width, img.height);
if (w != width || h != height) {
uint32 rastersize =
_TIFFMultiply32(tif, img.width, img.height, "allocating raster buffer");
if (raster != NULL)
_TIFFfree(raster), raster = NULL;
raster = (uint32*) _TIFFCheckMalloc(tif, rastersize, sizeof (uint32),
"allocating raster buffer");
if (raster == NULL) {
width = height = 0;
TIFFError(filelist[fileindex], "No space for raster buffer");
cleanup_and_exit();
}
width = w;
height = h;
}
TIFFRGBAImageGet(&img, raster, img.width, img.height);
#if HOST_BIGENDIAN
TIFFSwabArrayOfLong(raster,img.width*img.height);
TIFFSwabArrayOfLong(raster,img.width*img.height);
#endif
return 0;
}