trunk and 2.2-specific fixes related to mod_proxy.


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* Fix a memory leak by freeing the memory consumed by the bucket.

PR: 44948
Submitted by: Dan Poirier <poirier pobox.com>
Reviewed by: rpluem

Submitted by: rpluem
Reviewed/backported by: jim


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* APR_BUCKET_NEXT is wrong here as we are already a doing a APR_BUCKET_NEXT in
  the for loop and this causes us to jump *two* buckets forward. This can cause
  us to jump over the Sentinel of the brigade and thus causes an endless loop.


Submitted by: rpluem
Reviewed/backported by: jim


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Creation of external gzip process fails, if we
try to set the working directory to r->filename.
Use ap_make_dirstr_parent() instead, like in all
other similar places.


Creating the external gzip process fails, because we
call execve() with "gzip" without full path.
Let's look for it in the PATH instead and drop the
passing of the environment. There seems to be no
reason why gzip should need the httpd environment.


Set the content encoding for compressed content
even if we can't detect the content type of the
uncompressed content.


When trying to detect the content type of the
uncompressed content it is often not enough
to read the same number of bytes, we already
read compressed. Since uncompress() allocates a
new buffer, we can increase the number of bytes
to read to the same size, we use in the case,
where the content isn't compressed.

Furthermore zero-terminate the read data to keep
assumptions consistent with the uncompressed case.

Submitted by: rjung
Reviewed/backported by: jim


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The remote port information was forgotten from the builtin
data of the AJP 13 protocol.  Since the servlet spec allows
to retrieve it via getRemotePort(), we provide the port to
the Tomcat connector as an additional request attribute.
Modern/future Tomcat versions know how to retrieve
the remote port from the attribute AJP_REMOTE_PORT.

See:
https://issues.apache.org/bugzilla/show_bug.cgi?id=41263
http://svn.eu.apache.org/viewvc?view=rev&revision=756926
http://svn.eu.apache.org/viewvc?view=rev&revision=757223

Submitted by: rjung
Reviewed/backported by: jim


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-     http://svn.apache.org/viewvc?view=rev&revision=649162
-     http://svn.apache.org/viewvc?view=rev&revision=649176
-     http://svn.apache.org/viewvc?view=rev&revision=649460



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Translated by: Nilgün Belma Bugüner <nilgun belgeler.org>
Reviewed by:  Orhan Berent <berent belgeler.org>

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etag to be emitted for on-the-fly gzip content-encoding.
PR 39727 will require larger fixes and this fix was far more
harmful than the original code.

PR: 45023, 39727


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Translated by: Nilgün Belma Bugüner <nilgun belgeler.org>
Reviewed by:  Orhan Berent <berent belgeler.org>

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in combination with encoded content.


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Replace <VirtualHost *> with <VirtualHost *:80>


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