Add checks for sane image sizes in some image loaders (bmp, jpg, tga, png)

Thanks @sfan5 for the original patch (got modified a bit): dbd39120e7
Forum: https://irrlicht.sourceforge.io/forum/viewtopic.php?f=2&t=52819&p=306518
Those are the common formats, but rest of image loaders should also call this some day.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6387 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
2022-05-08 14:42:59 +00:00
parent 72b1522083
commit cfde879801
5 changed files with 23 additions and 3 deletions

View File

@ -106,6 +106,12 @@ IImage* CImageLoaderTGA::loadImage(io::IReadFile* file) const
header.ImageHeight = os::Byteswap::byteswap(header.ImageHeight);
#endif
if (!IImage::checkDataSizeLimit((size_t)header.ImageWidth* header.ImageHeight * (header.PixelDepth/8)))
{
os::Printer::log("Image dimensions too large in file.", file->getFileName(), ELL_ERROR);
return 0;
}
// skip image identification field
if (header.IdLength)
file->seek(header.IdLength, true);