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Date:      Fri, 8 Apr 2005 15:13:42 +0100
From:      Ceri Davies <ceri@submonkey.net>
To:        Dan Langille <dan@langille.org>, freebsd-www@FreeBSD.org, FreeBSD Gnats Submit <freebsd-gnats-submit@FreeBSD.org>
Subject:   Re: www/79659: cvsweb cannot cope with %
Message-ID:  <20050408141342.GL19136@submonkey.net>
In-Reply-To: <20050408135829.GK19136@submonkey.net>
References:  <200504081040.j38Ae9V1087785@freefall.freebsd.org> <42564312.16327.7B094F8@localhost> <20050408135829.GK19136@submonkey.net>

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On Fri, Apr 08, 2005 at 02:58:29PM +0100, Ceri Davies wrote:
> On Fri, Apr 08, 2005 at 08:38:42AM -0400, Dan Langille wrote:
> > On 8 Apr 2005 at 12:24, Ceri Davies wrote:
> > > On Fri, Apr 08, 2005 at 10:40:09AM +0000, Dan Langille wrote:
> > > 
> > > >  Your investigation prompted me to check my local repository which 
> > > >  uses cvsweb-2.0.6.  cvsweb has no problem with that file.  I see that 
> > > >  FreeBSD is using FreeBSD-CVSweb 2.0.6.  It has a problem with that 
> > > >  file.
> > > >  
> > > >  This suggests that the problem may not be with cvsweb, but with 
> > > >  something else.  The error message:
> > > >  
> > > >  Bad Request
> > > >  Your browser sent a request that this server could not understand.
> > > >  
> > > >  A grep of the repo projects/cvsweb does not find "Bad Request".  This 
> > > >  also suggests it could be something other than cvsweb that is 
> > > >  displaying this message.
> > > 
> > > It's Apache.  From the CHANGES file in Apache 0.8.15:
> > > 
> > >   *) Reject paths containing %-escaped '%' or null characters [David Robinson]
> > > 
> > > Googling seems to suggest that this was done because it was deemed
> > > forbidden by RFC 2396, which is not the case.
> > 
> > Hold on.... why do we see the problem at www.freebsd.org but not on 
> > my local (private) cvsweb?  I'm running apache-1.3.33_1
> 
> Because you are not using mod_rewrite.

Check it out; with mod_rewrite the % needs escaping twice:
http://www.freebsd.org/cgi/cvsweb.cgi/ports/devel/gdb6/files/patch-i386%2525nm-fbsd64.h

Ceri
-- 
Only two things are infinite, the universe and human stupidity, and I'm
not sure about the former.			  -- Einstein (attrib.)



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