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Fixed: Client crash on bad PNG file from webig download.

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This commit is contained in:
Nimetu 2017-01-10 14:07:11 +02:00
parent 44db61b463
commit 9aae361c7b
1 changed files with 40 additions and 10 deletions
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50
code/nel/src/gui/group_html.cpp
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@ -588,11 +588,25 @@ namespace NLGUI
// second instance deletes first tmpfile and creates new file for itself.
if (CFile::getFileSize(tmpfile) > 0)
{
CFile::moveFile(it->dest, tmpfile);
for(uint i = 0; i < it->imgs.size(); i++)
try
{
setImage(it->imgs[i].Image, it->dest);
setImageSize(it->imgs[i].Image, it->imgs[i].Style);
// verify that image is not corrupted
uint32 w, h;
CBitmap::loadSize(tmpfile, w, h);
if (w != 0 && h != 0)
{
CFile::moveFile(it->dest, tmpfile);
for(uint i = 0; i < it->imgs.size(); i++)
{
setImage(it->imgs[i].Image, it->dest);
setImageSize(it->imgs[i].Image, it->imgs[i].Style);
}
}
}
catch(const NLMISC::Exception &e)
{
// exception message has .tmp file name, so keep it for further analysis
nlwarning("Invalid image (%s): %s", it->url.c_str(), e.what());
}
}
}
@ -4177,10 +4191,18 @@ namespace NLGUI
if (!reloadImg && lookupLocalFile (finalUrl, image.c_str(), false))
{
// don't display image that are not power of 2
uint32 w, h;
CBitmap::loadSize (image, w, h);
if (w == 0 || h == 0 || ((!NLMISC::isPowerOf2(w) || !NLMISC::isPowerOf2(h)) && !NL3D::CTextureFile::supportNonPowerOfTwoTextures()))
try
{
uint32 w, h;
CBitmap::loadSize (image, w, h);
if (w == 0 || h == 0 || ((!NLMISC::isPowerOf2(w) || !NLMISC::isPowerOf2(h)) && !NL3D::CTextureFile::supportNonPowerOfTwoTextures()))
image = "web_del.tga";
}
catch(const NLMISC::Exception &e)
{
nlwarning(e.what());
image = "web_del.tga";
}
}
else
{
@ -4376,10 +4398,18 @@ namespace NLGUI
}
else
{
uint32 w, h;
CBitmap::loadSize(normal, w, h);
if (w == 0 || h == 0)
try
{
uint32 w, h;
CBitmap::loadSize(normal, w, h);
if (w == 0 || h == 0)
normal = "web_del.tga";
}
catch(const NLMISC::Exception &e)
{
nlwarning(e.what());
normal = "web_del.tga";
}
}
}
}