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by SSLProxyMachineCertificate{File|Path}.

The certificates and keys loaded during configuration time got lost during
runtime if e.g. SSLProxyMachineCertificate{File|Path} was set on virtual host
level and there was an SSL directive at directory level, e.g. SSLRequire.

This fixes a regression likely introduced in r1740928 (backported in r1824187).

Backport of r1844002 from trunk.

Submitted by: rjung
Reviewed by: rjung, rpluem, jorton


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down below.

This fixes a crash during SSL renegotiation with OptRenegotiate set,
when client certificates are available from the original handshake
but were originally not verified and should get verified now.
This is a regression in 2.4.36 (unreleased).

Backport of r1828793 from trunk.

Submitted by: rjung
Reviewed by: rjung, rpluem, jorton


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SSL renegotiation with OptRenegotiate set,
client certificates available from original
handshake but client certs were originaly not
verified and should get verified now.


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              when using OpenSSL 1.1.1 and should not harm for versions before
              1.1.1.
              Without the patch for 1.1.1 a 0 byte read no longer results in
              EAGAIN but instead in APR_EOF which leads to HTTP/2 failures.
              For the changelog: Fix HTTP/2 failures when using OpenSSL 1.1.1.
     trunk patch: http://svn.apache.org/r1843954
     2.4.x patch: svn merge -c 1843954 ^/httpd/httpd/trunk .
     +1: rjung, druggeri, rpluem



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Thanks to Daniel for the heads up.


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mod_brotli, mod_deflate: Restore the separate handling of 304 Not Modified
responses allowing these modules to properly set or fix-up the response
headers such as Vary or ETag.

This change follows up on r1837056 that disabled that special handling and
thus resulted in a potential violation of RFC7232, 4.1:

   The server generating a 304 response MUST generate any of the following
   header fields that would have been sent in a 200 (OK) response to the
   same request: Cache-Control, Content-Location, Date, ETag, Expires,
   and Vary.)

References:
  https://lists.apache.org/thread.html/f5733ca6743757e8aa8b58a0cd9e27680971551c2a20f5606c66507e@%3Cdev.httpd.apache.org%3E
  https://tools.ietf.org/html/rfc7232#section-4.1
Submitted by: kotkov
Reviewed by: kotkov, ylavic, jim


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mod_http2: adding defensive code for stream EOS handling, in case the request handler
     missed to signal it the normal way (eos buckets). Addresses github issues 
     https://github.com/icing/mod_h2/issues/164, https://github.com/icing/mod_h2/issues/167
     and https://github.com/icing/mod_h2/issues/170. 


Submitted by: icing
Reviewed by: icing, ylavic, jim


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These need to be signed longs... cast as needed.


Add CHANGES entry
Submitted by: jim, jailletc36
Reviewed by: jailletc36 (by inspection), ylavic, jim


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