Upon upgrading from to Apache 2.2 from Apache 2.0, when the following rule is matched, PATH_TRANSLATED is set to 'redirect:/~jablko/gallery2/main.php', instead of '/home/jablko/public_html/gallery2/main.php'. RewriteCond %{HTTP:Authorization} (.+) RewriteCond %{QUERY_STRING} !g2_authorization= RewriteRule . %{REQUEST_URI}?g2_authorization=%1 [QSA] Apache 2.0 always set PATH_TRANSLATED to '/home/jablko/public_html/gallery2/main.php'. When PATH_TRANSLATED is set to 'redirect:/~jablko/gallery2/main.php', CGI like php-cgi fail: HTTP/1.1 404 Not Found Date: Tue, 17 Oct 2006 09:06:46 GMT Server: Apache/2.2.3 (Debian) DAV/2 X-Powered-By: PHP/4.4.4-3 Content-Length: 25 Content-Type: text/html; charset=UTF-8 No input file specified. Thanks, Jack
An interesting find, thank you.
This also occurs with a .htaccess file of the following form: RewriteEngine on RewriteBase /~user/app RewriteRule ^(.*)$ /cgi-bin/cgi-prog/~user/app/app.ext?$1 This one can be worked around by changing the .htaccess file to add a handler and modifying the rewrite rule as follows: AddHandler run-cgi-prog .ext Action run-cgi-prog /cgi-bin/cgi-prog RewriteEngine on RewriteBase /~user/app RewriteRule ^(.*)$ /~user/app/app.ext?$1
Correction - the work-around .htaccess file should look like this: AddHandler run-cgi-prog .ext Action run-cgi-prog /cgi-bin/cgi-prog RewriteEngine on RewriteBase /~user/app/ RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^(.*)$ app.ext?$1 [L,QSA]
The problem is that the subrequest with uri=path_info of the main request (in order to obtain path_translated, i.e. the physical path view of path_info) hits the RewriteRule in per-directory context again and matches; hence no physical path. Why does this not occur in Apache 2.0? The answer is simple: mod_rewrite doesn't act in subrequests in per-directory context prior version 2.1. The NS flag prevents the processing of RewriteRules in subrequests.
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