[Python-Dev] Challenge: Please break this! [Now with blog post] (original) (raw)

Guido van Rossum guido at python.org
Mon Feb 23 23:51:30 CET 2009

TWIW, on Twitter, Ian Bicking just came up with a half-solution. I figured out the other half. I guess you own Ian drinks and me dinner. :-)

$ python Python 2.5.3a0 (release25-maint:64494, Jun 23 2008, 19:17:09) [GCC 4.0.3 (Ubuntu 4.0.3-1ubuntu5)] on linux2 Type "help", "copyright", "credits" or "license" for more information.

from safelite import FileReader class S(str): ... def eq(self, o): print o; return 'r' == o ... f = FileReader('w00t', S('w')) r f.close() $ ls -l w00t -rw-r----- 1 guido eng 0 Feb 23 14:50 w00t $

On Mon, Feb 23, 2009 at 2:41 PM, tav <tav at espians.com> wrote:

I take it back, we need to find all the trivial ones too. Agreed!

BTW Tav, you ought to create a small website for this challenge. A blog post or wiki page would suffice. Done. http://tav.espians.com/a-challenge-to-break-python-security.html Please blog/retweet and of course, try the challenge yourselves =) -- love, tav plex:espians/tav | tav at espians.com | +44 (0) 7809 569 369 http://tav.espians.com | http://twitter.com/tav | skype:tavespian

-- --Guido van Rossum (home page: http://www.python.org/~guido/)

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