Merge r1889957 from trunk: [excluding server/mpm/simple changes]

* server/mpm/event/event.c,
  server/mpm/simple/simple_run.c,
  support/htcacheclean.c: Adjust use of APR_RING macros to
  ensure the APR_RING_HEAD is always embedded in a containing
  structure, to avoid warnings with GCC 11.  (apr_ring.h also
  suggests this is best practice)

See also: https://bugzilla.redhat.com/show_bug.cgi?id=1957353
          https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98503
          msgid <814cca2a-1992-3fae-bb0e-c84b3d09b73b@gmail.com>
Github: closes #186
Reviewed by: jorton, minfrin, jfclere

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1891377 13f79535-47bb-0310-9956-ffa450edef68

vote. [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1891376 13f79535-47bb-0310-9956-ffa450edef68

backport for proxy mapping=servlet and balancer_manage [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1891336 13f79535-47bb-0310-9956-ffa450edef68

new proposal put back Referer check. [skip ci]

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Trigger ci.

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backport proposal of r1890693+r1890696, improved alpn check [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1891311 13f79535-47bb-0310-9956-ffa450edef68

backport proposal of r1890605 [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1891309 13f79535-47bb-0310-9956-ffa450edef68

Propose backports to support WebDAV extensions, like CalDAV and DavACL.

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Vote.

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  *) back port: Add CPING to health check logic - remove hardcoded timeout.
     Trunk version of patch:
        https://svn.apache.org/r1887439
     Backport version for 2.4.x of patch:
      Trunk version of patch works
      svn merge -c 1887439 ^/httpd/httpd/trunk .
     +1: minfrin, rpluem, covener

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1891276 13f79535-47bb-0310-9956-ffa450edef68

Propose, maybe sometime during the weekend the Travis output will turn up.
[skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1891205 13f79535-47bb-0310-9956-ffa450edef68

move proposal to being work [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1891193 13f79535-47bb-0310-9956-ffa450edef68

vote [skip ci]

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Bump the MMN in the patch.

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* Vote [skip ci]

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Propose.

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*) back port: Add CPING to health check logic.
   Trunk version of patch:
        https://svn.apache.org/r1887415
   Backport version for 2.4.x of patch:
      Trunk version of patch works
      svn merge -c 1887415 ^/httpd/httpd/trunk .
   +1: jfclere, jim, minfrin

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Vote and promote.

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Comment.

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(Re)propose (with a working link).

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Merged x1, [skip ci]

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Merge r1864784 from trunk:

-l and -L are not exclusive.
Document the 'G' suffix.
Fix some minor style issues.

Submitted by: jailletc36
Reviewed by: jorton, ylavic, jfclere

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cast votes

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propose*1.  [skip ci]

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propose*1.  [skip ci]

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Vote*1. [skip ci]

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fr doc rebuild.

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fr doc XML file update.

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correct CVE year

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Merge r1890424 from trunk:

PR65073: updates to MergeSlashes related doc

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Merge r1889806 from trunk:

* Correctly record changes for the latest release in case there have been no
  changes at all for this release so far.

Reviewed by: rpluem, jorton, ylavic

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Vote, promote. [skip ci]

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Updates for announcement of

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1890370 13f79535-47bb-0310-9956-ffa450edef68

fr doc rebuild.

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fr doc XML file update (version number update omitted)

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fr doc XML file update.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1890308 13f79535-47bb-0310-9956-ffa450edef68

Fixed version numbers after revew by cristiophe hawkeye.

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update after backport. [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1890246 13f79535-47bb-0310-9956-ffa450edef68

Merged r1734009,r1734231,r1734281,r1838055,r1838079,r1840229,r1876664,r1876674,r1876784,r1879078,r1881620,r1887311,r1888871 from trunk:

  *) core: Split ap_create_request() from ap_read_request(). [Graham Leggett]

  *) core, h2: common ap_parse_request_line() and ap_check_request_header()
     code. [Yann Ylavic]

  *) core: Add StrictHostCheck to allow unconfigured hostnames to be
     rejected. [Eric Covener]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1890245 13f79535-47bb-0310-9956-ffa450edef68

fr doc rebuild.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1890115 13f79535-47bb-0310-9956-ffa450edef68

fr doc XML files updates.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1890114 13f79535-47bb-0310-9956-ffa450edef68

<contextlist> and <compatibility> bad ordering.

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Vote*1, propose*1, TBD*1. [skip ci]

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Merge  /httpd/httpd/trunk:r1890001

mod_md: the better libressl fix for unsupported EC key types.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1890002 13f79535-47bb-0310-9956-ffa450edef68

Merge: /httpd/httpd/trunk:r1889995

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1889997 13f79535-47bb-0310-9956-ffa450edef68

Fix French vs English date format.

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Post 2.4.48 tag updates

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Get ready to tag httpd 2.4.48

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* Vote and promote [skip ci]

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* Propose [skip ci]

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Merge r1889958 from trunk:

mod_md: update documentation regarding private keys and message events.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1889959 13f79535-47bb-0310-9956-ffa450edef68

vote. [skip ci]

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Add other missing commits. [skip ci]

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Add missing commit r1888871 to proposal. [skip ci]

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Propose. [skip ci]

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Backported. [skip ci]

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Merge r1889792, r1889795 from trunk:

mod_proxy_wstunnel: Add ProxyWebsocketFallbackToProxyHttp.

Allows to opt-out the fallback to mod_proxy_http to handle WebSocket upgrade,
and let mod_proxy_wstunnel handle the requests as in 2.4.46 and earlier.

Update docs.

Follow up to r1889792: CHANGES entry.

Submitted by: ylavic
Reviewed by: ylavic, covener, rpluem

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1889902 13f79535-47bb-0310-9956-ffa450edef68

mod_proxy: Fix flushing of THRESHOLD_MIN_WRITE data while tunneling.  BZ 65294

Submitted by: ylavic
Reviewed by: ylavic, covener, rpluem

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* Vote and promote [skip ci]

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Update Win32 command line makefiles for r1889793

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Backported. [skip ci]

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Merge r1888266 from trunk:

mod_socache_shmcb: be safe from socache_shmcb_destroy() late call.  PR 59798.

ssl_init_Module() in post_config early registers ssl_init_ModuleKill(), which
will then run after all the next cleanups registered later in post_config, thus
any shm_cleanup() registered from ssl_scache_init::socache_shmcb_init().
This can cause a double SHM cleanup when apr_shm_destroy() is called from
ssl_init_ModuleKill::ssl_scache_kill() as pconf is cleared.

Fix this in mod_socache_shmcb by registering a socache_shmcb_cleanup() after
the SHM is created, and by letting socache_shmcb_destroy() run the cleanup,
such that shm_cleanup() is always and ever called only once.

Ideally apr_shm_create() would be consistent accross platforms to register its
shm_cleanup() on the pool but that's not the case for now (I'm on it), so httpd
has to call apr_shm_destroy() explicitely from several places (we'll be able to
remove ssl_scache_kill() and other similar cleanups once the minimal APR
version required by httpd is fixed..).

We could also fix this by registering ssl_init_ModuleKill() late(r) in
ssl_init_Module(), though the more robust mod_socache_shmcb the better for
all the modules..

Reviewed by: ylavic, icing, rpluem

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1889798 13f79535-47bb-0310-9956-ffa450edef68

vote, move to showstoppers [skip ci]

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Propose fix for BZ 65294 and opt-out for wstunnel fallback.

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update after backport. [skip ci]

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Merge of [r1886840, r1887085, r1887087, r1887134, r1887151, r1887152,
       r1887337, r1887340, r1887342, r1887343, r1887360, r1887364,
       r1887923, r1887965, r1887993, r1888006, r1888083, r1888084,
       r1888723, r1888724, r1888726, r1888729, r1889788] from trunk:

   *) core/mod_ssl/mod_md:
     - adding new ap_ssl_*() functions for a backward
       compatible replacement of the major optional mod_ssl functions. This
       allows other ssl modules to work without impersonating mod_ssl and
       also allows different ssl modules being active on separate ports.
     - latest mod_md with support for multiple certificates per domain
       and ECDSA certificates. Removed ACMEv1 support.
     - Interworking mod_md and ssl modules changed to exchange PEM strings
       instead of file paths for ACME challenges.
     - core/mod_ssl/mod_md: adding OCSP response provisioning as core feature.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1889793 13f79535-47bb-0310-9956-ffa450edef68

Move a change entry to the right location

[skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1889775 13f79535-47bb-0310-9956-ffa450edef68

Merge r1889341 from trunk:

* Do not strip any headers from 304 responses.

PR: 61820

Reviewed by: rpluem, covener, ylavic

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1889764 13f79535-47bb-0310-9956-ffa450edef68

Update after merge of backport. [skip ci]

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Merge r1889119 from trunk:

mod_http2: fix incomplete sync with github and its version number.

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* Vote and promote [skip ci]

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update proposal [skip ci]

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Vote, promote [skip ci].

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* Promote [skip ci]

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* Vote [skip ci]

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* Vote [skip ci]

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vote [skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1889507 13f79535-47bb-0310-9956-ffa450edef68

* Propose

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1889479 13f79535-47bb-0310-9956-ffa450edef68

Keep the date of distribution, but not announced, 2.4.47

[skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1889462 13f79535-47bb-0310-9956-ffa450edef68

Remove wrong idea (and trigger a travis run)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1889331 13f79535-47bb-0310-9956-ffa450edef68

Add a note on the PCRE2 backport stalled patches about a potential solution

[skip ci]

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Revert r1889272.

It will be updated by announce.sh

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Update 2.4.47 release date

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fr doc rebuild.

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fr doc XML file update.

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Propose synch with mod_http2 on github for backport.
[skip ci]

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Fix French vs English

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Post 2.4.47 tag updates

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Get ready to tag httpd 2.4.47

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1889090 13f79535-47bb-0310-9956-ffa450edef68

Fix a typo

[skip ci]

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Add a comment on a backport proposal

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remove [skip ci]

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Merge r1887727 from trunk:

* modules/generators/mod_cgid.c (cgid_server): Register cleanup for
  socket earlier to avoid possible leaks on error paths.  (highlighted
  by Coverity scan)

Reviewed By: ylavic, icing, covener

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vote/promote [skip ci]

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Merge r1889037 from trunk:

Pass NULL instead of a "null ACL"

Submitted By: Ivan Zhakov
Reviewed By: covener, ylavic (by inspection), ivan

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1889039 13f79535-47bb-0310-9956-ffa450edef68

Merge r1889036 from trunk:

legacy default slash-matching behavior w/ 'MergeSlashes OFF'

Submitted By: Ruediger Pluem
Reviewed By: covener, rpluem, ylavic

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Vote [skip ci].

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cleanup after backport. [skip ci]

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Merge /httpd/httpd/trunk:r1876619,1876675

mod_watchdog: Fix incomplete backport in r1888928.

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vote [skip ci]

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