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Note to self: Don't render any files called deltree.pov
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On Thu, 28 Oct 1999 19:12:30 -0700, Ken wrote:
>No we certainly do not want anything like this to happen. If they do start
>happening we will know who to blame... > Nieminen Juha wrote:
Who?
I think I'm the one who posted all the truly scary examples of things
you can do with the stock POV. I had known about them for over a year
and kept them quiet, though, while I waited for enough time to write my
own POV virus to take over the world. So you see, not talking about it
is not a good way to keep it from happening.
--
These are my opinions. I do NOT speak for the POV-Team.
The superpatch: http://www2.fwi.com/~parkerr/superpatch/
My other stuff: http://www2.fwi.com/~parkerr/traces.html
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Ron Parker wrote in message <38199d2f@news.povray.org>...
>On Thu, 28 Oct 1999 19:12:30 -0700, Ken wrote:
>>No we certainly do not want anything like this to happen. If they do start
>>happening we will know who to blame... > Nieminen Juha wrote:
>
>
>Who?
>
>I think I'm the one who posted all the truly scary examples of things
>you can do with the stock POV. I had known about them for over a year
>and kept them quiet, though, while I waited for enough time to write my
>own POV virus to take over the world. So you see, not talking about it
>is not a good way to keep it from happening.
However, I'm the one who posted the actual virus example.
Mark
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Mark Wagner wrote:
>
> Ron Parker wrote in message <38199d2f@news.povray.org>...
> >On Thu, 28 Oct 1999 19:12:30 -0700, Ken wrote:
> >>No we certainly do not want anything like this to happen. If they do start
> >>happening we will know who to blame... > Nieminen Juha wrote:
> >
> >
> >Who?
> >
> >I think I'm the one who posted all the truly scary examples of things
> >you can do with the stock POV. I had known about them for over a year
> >and kept them quiet, though, while I waited for enough time to write my
> >own POV virus to take over the world. So you see, not talking about it
> >is not a good way to keep it from happening.
>
> However, I'm the one who posted the actual virus example.
>
> Mark
But was it not > Nieminen Juha wrote: who originaly raised the concern ?
I believe it was.
--
Ken Tyler - 1100+ Povray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/
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Nieminen Juha wrote in message <381956bd@news.povray.org>...
>Gilles Tran <tra### [at] inapg inra fr> wrote:
>: I understand the concern about pov viruses
>
> Please don't confuse viruses with trojans.
> A virus is a code that tries to spread itself by attaching itself to
other
>files of the same kind. Usually this infection is intended to be as
invisible
>as possible. Sometimes the virus can do some harm (intentionally or not)
but
>most of the time it tries not to, so that it can spread itself as much as
>possible. Currently I don't know of any reasonable way of making a povray
>virus.
See p.b.s-f for an example virus that would work except for a bug in
POV-Ray. It is anything but invisible!
Mark
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Gilles Tran wrote:
> "Jon A. Cruz" wrote:
>
> > Security through obscurity is usually not a good tactic to adopt.
>
> OK, let's formulate it as follows : if you have a house and discover a special
> fun way to go in without using the key, will you put a big sign on the door
> saying "Hey, it's terrible, my door has to be fixed, everybody can go in, and I'm
> going to tell you exactly how to do it because it's soooo cool !". If you really
> think it 's OK to do so, you'd better discuss it with your insurance company...
> You'll just tell your family and other people you trust and report the matter to
> a locksmith. When a security flaw is discovered, the logical tactic is to keep
> quiet and report them discreetly to the people who can fix it, and NOT to educate
> potential intruders. The only time when it may be mandatory to go public in such
> a detailed way is when the people in charge don't care about the problem or don't
> want to know about it, and as far as I know this has not been the case here.
> G.
Well... not quite on target.
Maybe a better analogy would be if you had a garage door opener and trusted its
'secret code' dip switch setting to keep your house safe. Then one day you hear that
if a person throws a simple decade count IC on their remote, they can cycle through
all possible combinations in just a matter of seconds. Then you might realize that
you maybe should take the time to lock the door from your garage to your house when
leaving. Or you could even check with the door opener manufacture to see what
they've done to address the problem.
If you never heard of how to 'get in', you'd never know to take the precaution. But
on the other hand, you can probably be sure that the local gangs would be quite well
aware of this fact once the first person figured it out.
Or for your example, instead of a sign on the door, it would be an article in your
local paper pointing out that if you had brand X windows with a latch by brand Y for
the bay windows, then that can be opened with a simple ball-point pen. You could
then be informed and go look at your windows and if you had the vulnerable
combinations you could either change the latch, or just plant a very spiky plant
under the window. Or get iron security bars welded on.
--
"My new computer's got the clocks, it rocks
But it was obsolete before I opened the box" - W.A.Y.
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Ken <tyl### [at] pacbell net> wrote:
: But was it not > Nieminen Juha wrote: who originaly raised the concern ?
: I believe it was.
Am I the evil brother now?-)
--
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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Ok. Here's the deal: This is not a UVPov vs. Official POV bug, but rather
a MS Visual C++ vs. Watcom bug. I just compiled the official POV 3.1g
source with Visual C++ and it produces the same problem.
Now, you CAN easily get it to work with UVPov. The problem is that the file
is a Unix file (just CR at end of line, not CR+LF). Somehow, the MSVC++
compile of POV messes up character counts with newlines. You can easily
convert the Unix file to a DOS/Windows file by saving it from POV-Ray. The
Codemax editor will convert it automatically.
Anyone know how to correct this?
-Nathan
Phil Clute <pcl### [at] tiac net> wrote...
> The following is what I get when I run Jaime Vives Piqueres
> test04.pov & i_stsky.inc . The same stuff runs fine in official
> POV3.1g .
>
> <snip>
> Warning Stream to console.......On
> dfactor, // darkening factor
> border, // width of change zone
> fstart, // filter for lower layer
> fend // filter for upper layer
> )r <----ERROR
> <snip>
> \i_stsky.inc:32: error: object expected but undeclared identifier 'r'
> found instead.
>
> Does anyone else get this?
>
> The files are at Jaime's site in "CLOUDSCAPE" or I can send them
> to you if you don't already have them.
>
> --
> Phil
> ...coffee?...yes please! extra sugar,extra cream...Thank you.
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>You can easily convert the Unix file to a DOS/Windows file by
>saving it from POV-Ray. The Codemax editor will convert it
>automatically.
Works now, thanks!
--
Phil
...coffee?...yes please! extra sugar,extra cream...Thank you.
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This is 2011 and I am having trouble with Post_Scene_Command= which is exactly
what I need to be very productive, etc. Viruses is a concern, but the solution
is rather parse easy: just expose the command along the relevant INI chain if it
is there and let the user decide if he wants to execute it or not. Seems between
these posts and the (new) menu security options the Post_Scene_Command= stopped
working... so far...
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