POV-Ray : Newsgroups : povray.programming : Hackers... (Howto "not being hacked with povray") : Re: Hackers... (Howto "not being hacked with povray") Server Time
28 Jul 2024 14:19:24 EDT (-0400)
  Re: Hackers... (Howto "not being hacked with povray")  
From: Simon Lemieux
Date: 16 Nov 2000 16:19:12
Message: <3A145DB0.D5410C1C@yahoo.com>
> There has been quite a long thread about this issues a few months
> (weeks) ago. Warp and Ron gave good ideas.
> IMHO memory and disk consumption are issues.
> If you make a scene featuring an infinite loop adding objects to an
> union, you will have POV crash after running out of memory.
> Unfortunately it is likely that some other processes die to, including
> system services.
> If you open a file and write to it in an infinite loop, you can fill
> your disk completly, which can be harmful in some cases (under Un*x,
> filling /tmp or /var can have odd consequences). Even if you suppress
> user I/O, one can still decide to render a nearly empty scene (for
> speed) at a huge resolution: 65536*65536*24bpp takes 1.5 Gb...
> 
> For these reasons I would suggest you use process limitations, such as
> ulimit and quotas under Un*x.

Thanks, I already thought about this... that's why I asked a survey on
povray.general...  to do a manual limitation... and my program could parse the
file and check it to see if there is no loop or anything...

Thanks,
	Simon


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| Simon Lemieux           | Website : http://www.666Mhz.net  |
| Email : Sin### [at] 666Mhznet | POV-Ray, OpenGL, C++ and more... |
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