Ok, I understood.

Thank you very much, and sorry for the false alarm.

---

I think, this Font::TTFMetrics needs a little bit of optimization. It reads and 
reads the file again and again, which is slow when is used for a lot of 
strings. I registered to PAUSE, but it is not enough. Until then, the current 
author doesn't replied my emails. What could I do?

Bye,

Akos

-----Ursprüngliche Nachricht-----
Von: Matt S Trout [mailto:m...@shadowcat.co.uk] 
Gesendet: Mittwoch, 11. April 2012 17:19
An: Horvath, Akos
Cc: 'modu...@cpan.org'; 'ma...@bioinformatics.org'
Betreff: Re: warning: sechole, possibly trojan in Font::TTFMetrics

On Wed, Apr 11, 2012 at 05:04:04PM +0200, Horvath, Akos wrote:
> Hello,
> 
> Yes, it is true. But follow the code further. In the eval() is a read(), from 
> a file handle to a .ttf file.
> 
> It reads the first 12 bytes of a ttf font file, and then evaluates it as a 
> perl code block!

No it doesn't!

That's block eval, not string eval!

  eval {
    die "Boom";
  };
  warn $@;

Notice that the exception doesn't end the program but instead is put in $@.

That's what block eval does.

  eval 'print qq{Security hole!\n}';

is string eval, which would have the problem you describe.

That code is not using string eval, so does not have that problem.

-- 
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