ab: Allow for TLSv1.3 when the SSL library supports it.

When TLS1_3_VERSION is defined by the SSL library, bump the maximum TLS
protocol to that and use it for "-f ALL" or "-f TLSv1.3".

This mixes proposed patches from BZ 63594 and 64699.

BZ: 63594, 64699

Merge r1900157 from trunk:

Submitted by: abhilash <abhilash1232 gmail.com>
Submitted by: xiaolongx.jiang intel.com
Submitted by: ylavic
Reviewed by: ylavic, rpluem, jorton

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Backported in r1901201 [skip ci]

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core: Disable TCP_NOPUSH optimization on OSX. BZ 66019.

OSX supports TCP_NOPUSH but does not release the data retained (in TCP stack)
when the option is unset. It seems that unsetting it before the last write
does not help either so just disable the optimization for OSX in the core
output filter to avoid uncontrollable transmission delays.

* server/core_filters.c():
  Add the sock_nopush() helper that does nothing on OSX and platforms not
  supporting TCP_NOPUSH or TCP_CORK.

* server/core_filters.c(send_brigade_nonblocking):
  Use sock_nopush() instead of apr_socket_opt_set() for APR_TCP_NOPUSH option.

Merge r1900100 from trunk.

Submitted by: ylavic
Reviewed by: ylavic, rpluem, jorton

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Backported in r1901199 [skip ci]

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mpm_event: Fix accounting of active/total processes on ungraceful restart.

Children processes terminated by ap_{reclaim,relieve}_child_processes() were
were not un-accounted for total_daemons and active_daemons, which was done in
server_main_loop() only. This led to perform_idle_server_maintenance() thinking
it was over the limit of children processes and never create new ones.

Have this accounting right in event_note_child_{started,stopped}() which is
called both at runtime and reload time.

* server/mpm/event/event.c(struct event_retained_data):
  Rename field max_daemons_limit to max_daemon_used to better describe what
  it's about and to align with AP_MPMQ_MAX_DAEMON_USED.

* server/mpm/event/event.c(event_note_child_stopped):
  Renamed from event_note_child_killed() to clarify that it's not only called
  when a child is killed (i.e. on restart) but whenever a child has stopped.

* server/mpm/event/event.c(event_note_child_stopped):
  Move decrementing {active,total}_daemons and marking child's threads as
  SERVER_DEAD from server_main_loop() so that it's done both at runtime and
  reload time. Log the current number/state of daemons at APLOG_DEBUG level
  for each child stopped.

* server/mpm/event/event.c(event_note_child_started):
  Move incrementing {active,total}_daemons from make_child() for symmetry,
  given that make_child() calls event_note_child_started(). Log the current
  number/state of daemons at APLOG_DEBUG level for each child started.

* server/mpm/event/event.c(perform_idle_server_maintenance):
  Fix possible miscounting of retained->max_daemon_used accross the multiple
  calls to perform_idle_server_maintenance() if ListenCoresBucketsRatio > 0.
  Pass an int *max_daemon_used which starts at zero and is bumped consistently
  for all the buckets, while retained->max_daemon_used is updated only after
  all the buckets have been maintained.

* server/mpm/event/event.c(perform_idle_server_maintenance):
  Use event_note_child_stopped() to handle exited children processes.

Follow up to r1899777: CHANGES entry.

mpm_event: Follow up to r1899777: Fix max_daemon_used.

Merge r1899777, r1899786, r1899812 from trunk.
Fixes: BZ 66004
Submitted by: ylavic
Reviewed by: ylavic, rpluem, jorton

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Backported in r1901196 [skip ci]

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*) core: make ap_escape_quotes() work correctly on strings
   with more than MAX_INT/2 characters, counting quotes double.
   Credit to <generalbugs@zippenhop.com> for finding this.

*) core: improved checks in ap_escape_quotes() for
   extra long strings (or resulting strings) that
   exceed ptrdiff_t ranges.

Merge r1899609, r1899905 from trunk.
Reviewed by: icing, rpluem, ylavic
Submitted by: icing, ylavic

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Votes, promotes, [skip ci]

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* Vote [skip ci]

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* Propose [skip ci]

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fr doc rebuild.

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fr doc XML files updates.

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Merge r1901071 from trunk:

escaping doesn't actually happen by default

otherwise, we would not have [B] and two internal escape functions.

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Sync CHANGES entries [skip ci].

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Add back changes-entries/mod_proxy_log_backend_port.txt
which was removed erroneously by r1901009.

It is needed to document the changes applied by
r1900957 (backport of r1900028).

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Merge r1900356 from trunk:

  *) mod_http2: remove unused and insecure code. Fixes PR66037.
     Thanks to Ronald Crane (Zippenhop LLC) for reporting this.

Submitted by: icing
Reviewed by: jailletc36, icing, rpluem

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Merge r from trunk:

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

Github: closes #317

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Merge r1900335 from trunk:

Harden mod_session and avoid overflow in case of indecently large session
Submitted by: jailletc36
Reviewed by: jailletc36, rpluem, ylavic

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Merge from trunk:
Submitted by: jim
Reviewed by: 1900340

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Note missing link [skip ci]

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More proposals [skip ci]

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Note associated PR [skip ci]

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Propose [skip ci]

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Add missing revision in merge command [skip ci].

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Vote, promote [skip ci].

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Merge  /httpd/httpd/trunk:r1899841

mod_heartmonitor: Fix setting and comparison of IPs fields.

Setting or comparing hm_server_t and hm_slot_server_t IPs should not be base
on MAXIPSIZE since the former is potentially a smaller const char*.

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Remove backported entry

[skip ci]

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mod_proxy: Add backend port to log messages to
ease identification of involved service.

Merge r1900028 from trunk.
Submitted by: rjung
Reviewed by: rjung, jim, rpluem

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Merge /httpd/httpd/trunk:r1900875

  *) test: switch rustls-ffi to v0.9.0 which gets
     rid of the cbindgen dependency.

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Merge  /httpd/httpd/trunk:r1900852,1900887

  *) mod_md: the `MDCertificateAuthority` directive can take more than one URL/name of
     an ACME CA. This gives a failover for renewals when several consecutive attempts
     to get a certificate failed.
     A new directive was added: `MDRetryDelay` sets the delay of retries.
     A new directive was added: `MDRetryFailover` sets the number of errored
     attempts before an alternate CA is selected for certificate renewals.

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* Promote [skip ci]

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Remove backported entry

[skip ci]

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Merge r1898453 from trunk

   * mod_lua: ap_lua_init_mutex() is not about thread only. It also calls
apr_global_mutex_child_init(). So I see no good reason to skip this hook
if !APR_HAS_THREADS.

Some #if APR_HAS_THREADS are also already in place in
ap_lua_init_mutex() anyway.

Submitted by: jailletc36
Reviewed by: jaillect36, ylavic, rpluem
Backported by: jailletc36

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  *) test: log rustc and cbindget versions used to build rustls-ffi
     to speed up analysis of any problems in the future.

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  *) test: backport the cbindgen workaround for building rustls-ffi
     so that rustc and cbindget are in a combination that works on
     focal.

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Merge r1899451, r1899454, r1899562, r1899564, r1899584, r1899886 from trunk:

* Close the connection in case an EOC bucket was seen

* In case we see an EOC bucket and there was an error bucket before, use its
  status as status for the request. This should ensure proper status logging
  in the access log.

* We need to set r->status on each call after we noticed an EOC as
  data bucket generators like ap_die might have changed the status
  code. But we know better in this case and insist on the status
  code that we have seen in the error bucket.

* Keep track of the number of keepalives we processed on this connection.

* Report a broken backend in case reading the response line failed on the
  first request on this connection otherwise we assume we have just run
  into a keepalive race and the backend is still healthy.

* Add Changelog for r1899451, r1899454, r1899562, r1899564, r1899584

Submitted by: rpluem
Reviewed by: jim

Github: closes #314

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promote

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r1900751.

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promote

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Merge r1900026 from trunk:

  *) mod_heartmonitor: Set the documented default value
     "10" for HeartbeatMaxServers instead of "0". With "0"
     no shared memory slotmem was initialized. [Rainer Jung]

Submitted by: rjung
Reviewed by: 1899841

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Votes

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Xforms

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Fix a typo (s/virtal/virtual) and add a missing hyper-link.

r1900689 in trunk

[skip ci]

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fr doc rebuild.

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fr doc XML files updates.

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Merge /httpd/httpd/trunk:r1900628

  *) mod_md:  fixed a bug leading to failed transfers for OCSP
     stapling information when more than 6 certificates needed
     updates in the same run.

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* Propose [skip ci]

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propose backport h2 [skip ci]

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httpd 2.4.x and above require at least APR 1.3, so this is always the case.
Simplify the wording in the doc.

r1900557 in trunk

[skip ci]

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httpd 2.4.x and above require at least APR 1.3, so this is always the case.
Simplify the wording in the doc.

r1900525 in trunk

[skip ci]

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fr doc rebuild.

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fr doc XML file update.

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vote [skip ci]

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Propose

[skip ci]

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Vote

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Remove proposal after backport of mod_md change, experimental mods do not need RTC.
[skip ci]

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backport proposal for PR66037 fix.
[skip ci]

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Fix formatting of CHANGES entry.
CTR
[skip ci]

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Merge /httpd/httpd/trunk:r1898962,1900039,1900145,1900313-1900314

Backport of all recent changes to experimental mod_md.

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Vote
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backport proposal for recent mod_md changes.
[skip ci]

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Propose.
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Reset vote, use changes-entries, add additional
fix by ylavic.
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Adding r1899905 for the ap_escape_quotes backport.
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Vote, comment [skip ci]

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* Vote

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* Add proposal

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Add proposal.
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- postpoing http2 backport
- adding core fix for ap_escape_quotes() on huge strings.
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fr doc rebuild.

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XML files updates.

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xforms

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Merge r1605841 from trunk:

- ignore <br> inside <dd> too, since ab.xml is using that,
  though it's kind of wrong

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Merge r1899269 from trunk:

add -n warnings/quirks

https://bz.apache.org/bugzilla/show_bug.cgi?id=65980

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Fix a typo.
PR 65978.

Thanks to Stefan Hamburger <apache_f5dosu stefanhamburger.de> for finding it.

(r1899234 in trunk)
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fr doc rebuild.

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fr doc XML doc file update.

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'interpolate' is a keyword, not a user-defined string.
So it should not be in <var></var> in <syntax>  and  <code> should be used instead of <var> in explanations.

While at it, fix some other style issues and missing links spotted here and there.

(t1899205 in trunk)

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publishing release httpd-2.4.53

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 update transformations.

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update for sync with English docs.

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fr doc rebuild.

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XML files updates.-Cette ligne, et les suivantes ci-dessous, seront ignorées--

M    manual/mod/core.xml.fr
M    manual/mod/mod_proxy.xml.fr
M    manual/rewrite/avoid.xml.fr
M    manual/rewrite/flags.xml.fr

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Merge r1898771 from trunk:

* Improve detection of _Thread_local

GCC < 4.9 reports __STDC_VERSION__ >= 201112 but does not implement
_Thread_local. Take care of this in the condition.

See: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203066

Reviewed by: ylavic, covener, rpluem

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vote [skip ci]

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Propose r1898771 [skip ci]

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Merge r1898735 from trunk:

* Improve the logic flow

Reviewed by: rpluem, covener, ylavic

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Sync docs [skip ci]

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Merge r1898702 from trunk:

  *) docs: fixing missing closing tag.

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Sync CHANGES entries [skip ci]

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mod_sed: use size_t to allow for larger buffer sizes and unsigned arithmetics.

Let's switch to apr_size_t buffers and get rid of the ints.

Merge r1898690 from trunk.
Submitted by: rpluem
Reviewed by: rpluem, covener, ylavic

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mod_lua: Error out if lua_read_body() or lua_write_body() fail.

Otherwise r:requestbody() or r:parsebody() failures might go unnoticed for
the user.

Merge r1898689 from trunk.
Submitted by: rpluem
Reviewed by: rpluem, covener, ylavic

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core: Make sure and check that LimitXMLRequestBody fits in system memory.

LimitXMLRequestBody can not exceed the size needed to ap_escape_html2() the
body without failing to allocate memory, so enforce this at load time based
on APR_SIZE_MAX, and make sure that ap_escape_html2() is within the bounds.

Document the limits for LimitXMLRequestBody in our docs.

Merge r1898686 from trunk.
Submitted by: ylavic, rpluem
Reviewed by: ylavic, covener, rpluem

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core: Simpler connection close logic if discarding the request body fails.

If ap_discard_request_body() sets AP_CONN_CLOSE by itself it simplifies and
allows to consolidate end_output_stream() and error_output_stream().

Merge r1898683 from trunk.
Submitted by: ylavic, rpluem
Reviewed by: ylavic, rpluem, covener

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