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[Bug 48273] New: mod_proxy_fcgi sends broken SCRIPT_FILENAME / PATH_INFO

 

 

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Nov 24, 2009, 6:22 AM

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[Bug 48273] New: mod_proxy_fcgi sends broken SCRIPT_FILENAME / PATH_INFO

https://issues.apache.org/bugzilla/show_bug.cgi?id=48273

Summary: mod_proxy_fcgi sends broken SCRIPT_FILENAME /
PATH_INFO
Product: Apache httpd-2
Version: 2.3-HEAD
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Other Modules
AssignedTo: bugs [at] httpd
ReportedBy: ef-lists [at] email


When running mod_proxy_fcgi as a reverse proxy, it breaks the
SCRIPT_FILENAME environment variable.

Assuming the following configuration directive (in an otherwise smoothly
running Apache):
ProxyPass /imp fcgi://host:port
and a GET request to http://myhost/imp/index.php

This will set SCRIPT_FILENAME (from request_rec->filename) to
proxy:fcgi://host:file/index.php

In the maybe most popular case of PHP, this breaks PHP in determining
the correct script to call.

Even if SCRIPT_FILENAME is an Apache extension and not in the
CGI-standard, PHP reacts very sensitive to it, so it should be fixed
(although PHP might be configured in a way to ignore it).

When changing the above config directive to:
ProxyPass / fcgi://host:port/

a GET / results in PATH_INFO being set to proxy:fcgi://host:port/ ,
which obviously is bogus in the sense of the CGI standard.

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