On Wed, 2008-10-01 at 09:49 -0500, Justin Pasher wrote:
> Tom Evans wrote:
> > Hi all.
> >
> > I'm encountering a problem with using mod_rewrite in httpd 2.2.9 to
> > canonicalize the server name. The problem is that the query string seems
> > to be double escaped by this process. Here is a sample vhost that
> > triggers the issue:
> >
> > <VirtualHost *:80>
> > ServerName sweetums
> > ServerAlias foofoo
> >
> > DocumentRoot /data2/development/www/sweetums
> > <Directory /data2/development/www/sweetums>
> > Order allow,deny
> > Allow from all
> > </Directory>
> >
> > RewriteEngine On
> >
> > RewriteCond %{HTTP_HOST} !^sweetums$
> > RewriteRule ^/(.*) http://sweetums/$1 [R=301,L,QSA]
> >
> > </VirtualHost>
> >
> > So, with this configuration, a request for http://foofoo/bar is
> > correctly rewritten to http://sweetums/bar , however a request for
> > http://foofoo/bar?and=grill%25 would be incorrectly rewritten to
> > http://sweetums/bar?and=grill%2525 .
> >
> > Is there any way to prevent this behaviour, or perhaps a better form of
> > host canonicalization?
> >
> > Cheers
> >
> > Tom
>
> Try removing the QSA flag from the RewriteRule. It should only be needed
> when you are modifying the query string (which you are not).
Doesn't modify the behaviour. Did a bit more searching around the
archives, this was first reported as a bug in 2000 [1], and has never
been fixed, so there must be a reason for it. Are there any modules that
will allow me to do host name canonicalization safely?
Cheers
Tom
[1] http://archive.apache.org/gnats/6042
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