Why is the CONNECT proxy not using filters? It seems to me that filters
are almost ideally matched for the CONNECT requests.
If you want to remove a filter, look at the reset_filters function. It
should show you how to do it.
Ryan
On Sun, 8 Apr 2001, Graham Leggett wrote:
> Hi all,
>
> I am having a problem with the CONNECT part of the proxy, and need some
> help to solve this one.
>
> The SSL tunnel functionality is currently working great - a
> bidirectional tunnel is set up between client and remote server, and
> data flows normally in both directions over the link until either side
> breaks the connection.
>
> The trouble is that being a tunnel, the CONNECT module handles all it's
> own data transfer using APR. (None of the filters should be touching the
> data, so they are bypassed). Once the connection is finished, the CORE
> filter suddenly jumps in and tacks the as-unsent HTTP/1.1 response line
> to the end of the request, like this:
>
> (Using an ftp remote server as an example)
>
> [root@jessica httpd-2.0]# telnet 127.0.0.1 80
> Trying 127.0.0.1...
> Connected to 127.0.0.1.
> Escape character is '^]'.
> CONNECT 127.0.0.1:21 HTTP/1.0
> User-Agent: Fred
>
> HTTP/1.0 200 Connection Established
> Proxy-agent: Apache/2.0.16-dev (Unix)
>
> 220 ProFTPD 1.2.0pre10 Server (ProFTPD) [jessica]
> USER ftp
> 331 Anonymous login ok, send your complete e-mail address as password.
> --> at this point the ftp server is killed, and thus the remote
> connection
> is closed. Apache now adds this: >--
> HTTP/1.1 200 OK
> Date: Sun, 08 Apr 2001 15:45:11 GMT
> Server: Apache/2.0.16-dev (Unix)
> Content-Length: 0
> Connection: close
> Content-Type: text/plain; charset=ISO-8859-1
>
> Connection closed by foreign host.
>
> Obviously the CORE filter, having never got to do it's "send headers"
> thing, is jumping in (too late of course) and finishing the job. What
> needs to happen is that the filter be removed or disabled somehow, the
> question is, how?
>
> a) signal somehow to the core filter that it must not send anything - if
> so, how?
>
> b) remove all the filters from the output filter stack, and replace them
> with a NULL filter that does this:
>
> static int null_filter() {
> return APR_SUCCESS;
> }
>
> c) something else?
>
> Regards,
> Graham
> --
> -----------------------------------------
> [EMAIL PROTECTED] "There's a moon
> over Bourbon Street
> tonight..."
>
>
_______________________________________________________________________________
Ryan Bloom [EMAIL PROTECTED]
406 29th St.
San Francisco, CA 94131
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