http://bugzilla.spamassassin.org/show_bug.cgi?id=3318





------- Additional Comments From [EMAIL PROTECTED]  2004-04-27 17:02 -------
Subject: Re:  New: multiply-encoded URIs missed

On Tue, Apr 27, 2004 at 04:08:50PM -0700, [EMAIL PROTECTED] wrote:
> we currently don't catch it, because of the second layer of encoding.

I'm still not thrilled with the idea, but ...   I edited url_encode, and
took out the "preserve encoding" for "<", ">", """, "#", "%", ";", "/",
"?", ":", "@", "=", and "&", which is what the spec says we should do.

With no other modifications:

debug: uri found: 
http://www.google.com/url?q=http://www.google.com/url?q=http://www.expage.com/manger32
debug: uri found: http://www.google.com/url?q=http://www.expage.com/manger32
debug: uri found: 
http://images.google.ca/imgres?imgurl=gmib.free.fr/viagra.jpg&imgrefurl=http://www.google.com/url?q=http://www.google.com/url?q=http://www.expage.com/manger32
debug: uri found: http://www.expage.com/manger32
debug: uri found: 
http://images.google.ca/imgres?imgurl=gmib.free.fr/viagra.jpg&imgrefurl=http://www.google.com/url?q=http://www.google.com/url?q=%68%74%74%70%3A%2F%2F%77%77%77%2E%65%78%70%61%67%65%2E%63%6F%6D%2F%6D%61%6E%67%65%72%33%32

Part of me thinks this is going to cause FPs and such, but I'll run a
test and see what the results say.





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