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From Tom Evans <tevans...@googlemail.com>
Subject Re: [users@httpd] DirectoryIndex including index.cgi with CGI PATH_INFO
Date Tue, 11 Nov 2008 13:10:24 GMT
On Tue, 2008-11-11 at 13:24 +0100, Jan Sievers wrote:
> Hi everyone,
> 
> I can't find a clear statement in the Apache 2.2 documentation about the
> following scenario:
> 
> I have the following configuration for index files:
> 
> 	DirectoryIndex index.cgi
> 
> 
> The request
> 
> 	domain.tld/dir_containing_index_cgi/
> 
> works as expected.
> 
> Now, since CGI defines the PATH_INFO mechanism,
> (See section 4.1.5. in http://www.ietf.org/rfc/rfc3875)
> the request
> 
> 	domain.tld/dir_containing_index_cgi/index.cgi/foo
> 
> results in execution of index.cgi with the meta-variable
> 
> 	PATH_INFO set to "foo".
> 
> *The question now is*:
> 
> Is Apache 2.2 supposed to evaluate requests like
> 
> 	domain.tld/dir_containing_index_cgi/foo
> 
> so that the index.cgi is executed with the meta-variable
> 
> 	PATH_INFO set to "foo"?

No, apache will see that as a request for the entity
at /dir_containing_index_cgi/foo. If you wanted that behaviour, you
could alias the actual CGI. Eg, if your CGI file was /cgi-bin/foo.cgi,
you could 
  Alias /cgi-bin/foo.cgi /my-app

Then requests for /my-app/foo would have the PATH_INFO set as you would
imagine.

> 
> Here it gives me a 404 error, saying it cannot find the specified
> resource. I just want to be sure, that it is not a configuration
> mistake, that prevents requests like that to function.
> 
> For me the PATH_INFO mechanism is stupid anyway since I don't see any
> advantage over the QUERY_STRING mechanism which is defined too.
> 
> But nevertheless it is defined and used.

Well, if you followed my example, you could also have a request
for /my-app/foo/bar/quuz?wibble=yes, which would have
PATH_INFO="/bar/quuz" and QUERY_STRING="wibble=yes" (roughly speaking!)

> 
> With warm regards,
> Jan Sievers
> 

Cheers

Tom


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