Hello,
Several times a day I get the errors like the following in my moinmoin
server logs:
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] Traceback (most
recent call last):
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] File
"/usr/lib/python2.7/dist-packages/werkzeug/wsgi.py", line 411, in __call__
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] return
self.app(environ, start_response)
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] File
"/usr/lib/python2.7/dist-packages/MoinMoin/wsgiapp.py", line 282, in __call__
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] response =
run(context)
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] File
"/usr/lib/python2.7/dist-packages/MoinMoin/wsgiapp.py", line 88, in run
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] response =
dispatch(request, context, action_name)
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] File
"/usr/lib/python2.7/dist-packages/MoinMoin/wsgiapp.py", line 136, in dispatch
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] response =
handle_action(context, pagename, action_name)
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] File
"/usr/lib/python2.7/dist-packages/MoinMoin/wsgiapp.py", line 195, in
handle_action
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204]
handler(context.page.page_name, context)
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] File
"/usr/lib/python2.7/dist-packages/MoinMoin/action/__init__.py", line 268, in
do_show
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204]
content_only=content_only,
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] File
"/usr/lib/python2.7/dist-packages/MoinMoin/Page.py", line 1134, in send_page
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] body = self.data
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] File
"/usr/lib/python2.7/dist-packages/MoinMoin/Page.py", line 246, in get_data
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] self.__meta,
self.__data = wikiutil.get_processing_instructions(self.body)
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] File
"/usr/lib/python2.7/dist-packages/MoinMoin/Page.py", line 212, in get_body
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] f =
codecs.open(self._text_filename(), 'rb', config.charset)
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] File
"/usr/lib/python2.7/codecs.py", line 881, in open
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] file =
__builtin__.open(filename, mode, buffering)
[Wed Oct 01 17:50:31 2014] [error] [client 176.194.6.204] IOError:
[Errno 36] File name too long:
'/srv/www.rath.org/wiki/pages/mail_err(2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b)Result(3a2befbfbdefbfbd2befbfbdefbfbdefbfbdefbfbdefbfbdefbfbdefbfbd2befbfbdefbfbdefbfbdefbfbdefbfbd2befbfbdefbfbdefbfbd2befbfbdefbfbdefbfbdefbfbdefbfbdefbfbdefbfbdefbfbd3b2b)Result(3a2befbfbdefbfbd2befbfbdefbfbdefbfbdefbfbdefbfbdefbfbdefbfbd2befbfbdefbfbdefbfbdefbfbdefbfbd2befbfbdefbfbdefbfbd2befbfbdefbfbdefbfbdefbfbdefbfbdefbfbdefbfbdefbfbd3b2b)Result(3a2befbfbdefbfbd2befbfbdefbfbdefbfbdefbfbdefbfbdefbfbdefbfbd2befbfbdefbfbdefbfbdefbfbdefbfbd2befbfbdefbfbdefbfbd2befbfbdefbfbdefbfbdefbfbdefbfbdefbfbdefbfbdefbfbd3b)/revisions/99999999'
I believe this is just some attempted exploit failing miserably and no
cause for concern. However, the length of the message (and the embedded
newlines) makes it very hard to filter, so I'm constantly getting nagged
by my log analyzer.
What would be the best way to catch this exception and log a short,
standard message instead?
I am proficient in Python, but not in moinmoin. So my question is mostly
*where* to insert the necessary code, and how to generate the error
message (just print to stderr, or is there a logging function I should
use?). Ideally, I'd also like to change something in /etc rather than
changing e.g. "/usr/lib/python2.7/dist-packages/MoinMoin/wsgiapp.py", so
that the changes are not lost on the next update.
Best,
-Nikolaus
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