Summary: In apache 1.3, files that were #included in SSI were NOT
subject to rewrite rules. In 2.2, they are. I discovered this after
getting many "unable to include" warnings. I want to find a way to negate
a rewriterule.
Background 1:
In my main public_html .htaccess, I have the following:
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{REQUEST_URI} !/invalid.html
RewriteCond %{HTTP_USER_AGENT} !.*W3C_Validator.*
RewriteCond %{REQUEST_FILENAME} -f
RewriteCond /var/tmp/validator/%{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME}.isbroken !-f
RewriteRule .*\.html
http://validator.gushi.org/stub?uri=http://%{SERVER_NAME}%{REQUEST_URI}&path=%{REQUEST_FILENAME} [L]
</IfModule>
What this does, in essence, is forces the wc3 validator to run on any
directly-requested file. It's pretty cool, actually, and uses only
filesystem metrics to ensure that a file has been validated (or that it's
been marked as broken, for debugging), so you need only the stat(2)
function to check, which is pretty fast.
Background part 2:
In another directory, I have a HOWTO that I've written about PGP keys. It
uses mod_include to #include file=header.html and footer.html (the file
was generated with markdown, so it lacks those bits).
(if you care, www.gushi.org/make-dns-cert/HOWTO.html)
With me so far? Good. Now for the problem, and how I worked around it.
Under apache 1.3, the #include file="header.html" would not have been
subject to the above rewrite rules. By default in 2.2 it is.
I've figured out that I can add the "RewriteCond %{IS_SUBREQ} false" to
this, and it fixes this problem. I could also put [NS] in that rule to
fix it.
What I couldn't find anywhere is: what would I put in a RewriteRule that
would basically say "Don't Rewrite!". I can set RewriteEngine Off, but
that seems like a sledgehammer.
I.e. how would I disable the
"RewriteRule .*\.html"
in the parent directory and say "no, in this case
just use the literal file we're being asked for." Put another way, how
would I say "NoRewriteRule .*\.html"?
Another observation here would be: Apache didn't at all log the subrequest
to the access/error logs, or the output of the CGI. The ONLY error I got
was:
[Fri Aug 03 18:10:21 2012] [error] [client 149.20.50.7] unable to include
"footer.html" in parsed file
/home/danm/public_html/make-dns-cert/HOWTO.html
Which was spectacularly unhelpful.
--
--------Dan Mahoney--------
Techie, Sysadmin, WebGeek
Gushi on efnet/undernet IRC
ICQ: 13735144 AIM: LarpGM
Site: http://www.gushi.org
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