Resigning my first attempt to get patches through the 2.2.x process, and
revoking my ratification of a list of patches (e.g. -1 as had been applied,
including my own submissions - I will revert in any case, where misordered.)

Proposing that we start with the same branch model as used on 2.4.x to get
through too many many-year-old patches to idly browse through; replay these
in mostly-sequential order, and bring 2.2.x up to 2.4.x in the affected areas
of code, and finally this proposal suggests the same merge as was applied to
2.4.25 GA release, modulo all our new crazy APLOGNO fun.

There is not much to see here, other than to compare rev no's of what had
been applied/proposed reverts to the list of patches on the 2.2.x merge
branch... the interesting data is on that merge branch. But extensive testing
against the resulting code is critical to our hope of offering a last 2.2.x
release to close that chapter. TIA to each and everyone who assists!

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1775787 13f79535-47bb-0310-9956-ffa450edef68

Merge r892808 from trunk:

Fix up r892678 as pointed out by rpluem.

Submitted by: niq
Reviewed by: covener, jchampion, ylavic

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1775232 13f79535-47bb-0310-9956-ffa450edef68

Vote, promote.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1773073 13f79535-47bb-0310-9956-ffa450edef68

Vote

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1772954 13f79535-47bb-0310-9956-ffa450edef68

missing revision in old backport

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1772935 13f79535-47bb-0310-9956-ffa450edef68

update transformation

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1772482 13f79535-47bb-0310-9956-ffa450edef68

Generated doc changes

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1772233 13f79535-47bb-0310-9956-ffa450edef68

Change 2.2 installation doc to recommend a minimum APR version of 1.4

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1772232 13f79535-47bb-0310-9956-ffa450edef68

update transformation

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1771664 13f79535-47bb-0310-9956-ffa450edef68

update revision (only bom changed)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1771663 13f79535-47bb-0310-9956-ffa450edef68

use consistent encoding between xml.fr files (utf-8)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1771662 13f79535-47bb-0310-9956-ffa450edef68

remove BOM

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1771660 13f79535-47bb-0310-9956-ffa450edef68

update transformation

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1765772 13f79535-47bb-0310-9956-ffa450edef68

Propose a change to core.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1763470 13f79535-47bb-0310-9956-ffa450edef68

Convinced, withdrawing my support for the lightly tested older backport

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1762788 13f79535-47bb-0310-9956-ffa450edef68

Read from top-to-bottom :)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1762685 13f79535-47bb-0310-9956-ffa450edef68

Rebuild.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1761228 13f79535-47bb-0310-9956-ffa450edef68

XML update.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1761227 13f79535-47bb-0310-9956-ffa450edef68

lynx isn't common any more

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1760551 13f79535-47bb-0310-9956-ffa450edef68

Backported.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1758673 13f79535-47bb-0310-9956-ffa450edef68

Merge r1710095, r1727544 from trunk:

core: Limit to ten the number of tolerated empty lines between request,
and consume them before the pipelining check to avoid possible response
delay when reading the next request without flushing.

Before this commit, the maximum number of empty lines was the same as
configured LimitRequestFields, defaulting to 100, which was way too much.
We now use a fixed/hard limit of 10 (DEFAULT_LIMIT_BLANK_LINES).

check_pipeline() is changed to check for (up to the limit) and comsume the
trailing [CR]LFs so that they won't be interpreted as pipelined requests,
otherwise we would block on the next read without flushing data, and hence
possibly delay pending response(s) until the next/real request comes in or
the keepalive timeout expires.

Finally, when the maximum number of empty line is reached in
read_request_line(), or that request line does not contains at least a method
and an (valid) URI, we can fail early and avoid some failure detected in
further processing.

* Ensure that proto_num and protocol is set in another "error out early" edge
  case. This can happen with invalid CONNECT requests as described in the PR.

PR: 58929

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

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1758672 13f79535-47bb-0310-9956-ffa450edef68

Merge r892678, r1100511, r1102124 from trunk:

Reject requests containing (invalid) NULL characters in request line
or request headers.
PR 43039

use APR_STATUS_IS_TIMEUP() instead of direct comparison with APR_TIMEUP.

Use APR_STATUS_IS_... in some more cases.

While this is not strictly necessary everywhere, it makes it much easier
to find the problematic cases.

Submitted by: niq, covener, sf
Reviewed  by: wrowe, covener, ylavic

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1758671 13f79535-47bb-0310-9956-ffa450edef68

Vote, promote, plus another patching failure.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1758668 13f79535-47bb-0310-9956-ffa450edef68

Vote, promote, but the second proposal does not apply cleanly...

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1758667 13f79535-47bb-0310-9956-ffa450edef68

emphasize that the flush in 2.2.x check_pipeline_flush() is actually
unconditional

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1758071 13f79535-47bb-0310-9956-ffa450edef68

Missed a digit, sorry

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757705 13f79535-47bb-0310-9956-ffa450edef68

vote on protocol sync

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757665 13f79535-47bb-0310-9956-ffa450edef68

The last proposed request handling backport to bring 2.2.x up to 2.4.x standards

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757407 13f79535-47bb-0310-9956-ffa450edef68

Again, two more closely backports from 2.4.x for proper ErrorDocument behavior

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757395 13f79535-47bb-0310-9956-ffa450edef68

Revert 1757391, sorry for the sloppy commit :-/

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757394 13f79535-47bb-0310-9956-ffa450edef68

Two more closely backports from 2.4.x for proper ErrorDocument behavior

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757391 13f79535-47bb-0310-9956-ffa450edef68

A scary patch which is not difficult to follow, been with us in 2.4.x all along

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757371 13f79535-47bb-0310-9956-ffa450edef68

Collapsing a group of related backports organized backport proposal in the a.m.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757306 13f79535-47bb-0310-9956-ffa450edef68

Another comment-only backport syncing to 2.4.x, of trawick's r1057372

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757295 13f79535-47bb-0310-9956-ffa450edef68

Another re-sync change (tweaked for absense of APLOG)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757288 13f79535-47bb-0310-9956-ffa450edef68

vote for protocl sync/prop from 2.4

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757270 13f79535-47bb-0310-9956-ffa450edef68

The first of several 2.2 backports I'll offer to get protocol logic on 2.2
in sync with 2.4, allowing us to consider much more similar backport proposals
to both.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757269 13f79535-47bb-0310-9956-ffa450edef68

Backports: r1237407
Submitted by: trawick
s/ensure/insure/

Comment-only change, simply to ensure reviewers can review patches from trunk.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757256 13f79535-47bb-0310-9956-ffa450edef68

Normalization patch bringing 2.2.x branch closer to 2.4.x,
without functional changes.

Backports: r1213391, r1237407
Submitted by: rjung

zap an unhelpful, out of date comment from httpd 1.2
s/insure/ensure/

Backports: r1407004, r1407088, r1407528
Submitted by: sf

Remove unused code. "Next week" hasn't happened in the last 10 years or so.
remove some more old unused code
remove obsolete comment from 1.3 days

Backports: r1621419 (protocol.c only)
Submitted by: jailletc36

Fix sscanf format spotted by cppcheck
(changes version major/minor types from signed to unsigned)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1757240 13f79535-47bb-0310-9956-ffa450edef68

Propose.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1756569 13f79535-47bb-0310-9956-ffa450edef68

Committed in r1756565.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1756566 13f79535-47bb-0310-9956-ffa450edef68

mod_mem_cache: Don't cache incomplete responses when the client
connection is aborted before the body is fully read.  PR 45049.

Backports: n/a (2.2.x only)
Submitted by: Nick Pace <nick simplylogic.net>, Edward Lu, Yann Ylavic
Reviewed by: ylavic, wrowe, rpluem

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1756565 13f79535-47bb-0310-9956-ffa450edef68

Merge r1753228 from trunk:

httpoxy workarounds, first draft patch as published for all 2.2.x+ sources

Submitted by: Dominic Scheirlinck <dominic vendhq.com>, ylavic
Reviewed by: wrowe, rpluem, ylavic

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1756564 13f79535-47bb-0310-9956-ffa450edef68

Typo.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1755939 13f79535-47bb-0310-9956-ffa450edef68

ProxyRemote with TLS/CONNECT won't work w/o this fix.
The target/backend fails with:
    ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
                 "Hostname %s provided via SNI and hostname %s provided"
                 " via HTTP are different", servername, host);
    (AH02032 in 2.4.x)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1755938 13f79535-47bb-0310-9956-ffa450edef68

update transformation

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1754383 13f79535-47bb-0310-9956-ffa450edef68

build validate-xml

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1754379 13f79535-47bb-0310-9956-ffa450edef68

fix encoding in commit mails for spanish translations

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1754377 13f79535-47bb-0310-9956-ffa450edef68

Vote, promote, and propose.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1754271 13f79535-47bb-0310-9956-ffa450edef68

* Vote and promote

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1754166 13f79535-47bb-0310-9956-ffa450edef68

Propose showstopper fix for httpoxy mitigation

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1754158 13f79535-47bb-0310-9956-ffa450edef68

Merge r1751930 from trunk:

mention mod_cgid too

http://httpd.apache.org/docs/2.4/howto/cgi.html#comment_5623

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1751933 13f79535-47bb-0310-9956-ffa450edef68

Backported.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1751815 13f79535-47bb-0310-9956-ffa450edef68

mod_ssl: Free dhparams and ecparams reading certificates at startup.
This fixes issue when SSLCryptoDevice does not get unregistered because
of non-zero refcount during the mod_ssl unload happening on httpd startup.

Submitted by: jkaluza, ylavic
Reviewed by: wrowe, ylavic, jorton

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1751814 13f79535-47bb-0310-9956-ffa450edef68

Vote.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1751812 13f79535-47bb-0310-9956-ffa450edef68

mod_mem_cache: Fix concurrent removal of stale entries which could lead
to a crash.

PR: 43724
Submitted by: ylavic
Reviewed by: covener, wrowe

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750846 13f79535-47bb-0310-9956-ffa450edef68

vote... promote

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750845 13f79535-47bb-0310-9956-ffa450edef68

mod_proxy: Fix a race condition that caused a failed worker to be retried
before the retry period is over

Backports: r1664709, r1697323
Submitted by: rpluem
Reviewed by: wrowe, ylavic

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750844 13f79535-47bb-0310-9956-ffa450edef68

mod_proxy: save DNS lookups

Backports: r1462269, r1463455
Submitted by: rpluem
Reviewed by: wrowe, ylavic

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750843 13f79535-47bb-0310-9956-ffa450edef68

mod_proxy: Give ap_proxy_post_request as chance to act correctly on the status
code by setting r->status temporarily to access_status. r->status might be
different than access_status e.g. r->status could be HTTP_OK if e.g. we
override the error page on the proxy or if the error was not generated by the
backend itself but by the proxy e.g. a bad gateway.

Backports: r1597352
Submitted by: rpluem
Reviewed by: wrowe, ylavic

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750838 13f79535-47bb-0310-9956-ffa450edef68

mime.types: Add common extension "m4a" for MPEG 4 Audio.
As a reference see Wikipedia:
https://en.wikipedia.org/wiki/MPEG-4_Part_14#.MP4_versus_.M4A

Submitted by: Dylan Millikin <dylan.millikin gmail.com>
PR: 57895
Backports: r1723567
Reviewed by: rjung, wrowe, ylavic

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750837 13f79535-47bb-0310-9956-ffa450edef68

mod_proxy: don't recyle backend announced "Connection: close" connections
to avoid reusing it should the close be effective after some new request
is ready to be sent.

Backports: r1678763, r1703807, r1703813, r1678763
Submitted by: ylavic
Reviewed by: rpluem, wrowe

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750836 13f79535-47bb-0310-9956-ffa450edef68

mod_substitute: Allow to configure the patterns merge order with the new
SubstituteInheritBefore on|off directive (with default in 2.2 of 'off)

Backports: r1684900, r1687539, r1687680, r1688331, r1688339, r1688340, r1688343,
           r1697013, r1697015
PR: 57641
Submitted by:
     [Marc.Stern <Marc.Stern approach.be>, Yann Ylavic, William Rowe]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750835 13f79535-47bb-0310-9956-ffa450edef68

More bugfixes required.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750733 13f79535-47bb-0310-9956-ffa450edef68

vote for memcache crash fix

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750732 13f79535-47bb-0310-9956-ffa450edef68

Add CHANGES entry in mod_mem_cache patch relating to PR 45049.
While at it, propose another fix for mod_mem_cache relating to PR 43724.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750730 13f79535-47bb-0310-9956-ffa450edef68

Votes + promotes, and clarify suggested patch improvements

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750689 13f79535-47bb-0310-9956-ffa450edef68

update transformation

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750565 13f79535-47bb-0310-9956-ffa450edef68

Clarify note from r1750226.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1750229 13f79535-47bb-0310-9956-ffa450edef68

Note that more backports are needed after r1723567.

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Fix people->home links, propose new mem_cache_client_abort fix, vote and promote.

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Upvotes, note missing patches

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abs: Include OPENSSL_Applink when compiling on Windows, to resolve
failures under Visual Studio 2015 and other mismatched MSVCRT flavors.

PR: 59630
Submitted by: Jan Ehrhardt <phpdev ehrhardt.nl>

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Looks like a docs/ change to me

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Expand on fix - jkaluza will likely concur

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Note, and upvote

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Upvote, but as a docs issue, not really requiring a vote

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Propose a long-ignored backport with a long list of contributors

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RE: bz 59316 - remove reference to mod_jserv

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update transformation

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Rebuild.

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XML update.

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Rebuild.

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XML update.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1733739 13f79535-47bb-0310-9956-ffa450edef68

Rebuild.

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XML update.

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Documentation rebuild.

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Added retirement banner to all the documentation pages to suggest the migration to 2.4

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Documentation rebuild

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Backported Doc change for sections.html, moved example sections to highligh.

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Rebuild.

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XML updates.

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Documentation rebuild.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1729282 13f79535-47bb-0310-9956-ffa450edef68

Added a specific reference of evaluation order between ProxyPass and RewriteRule directives. Bug: 54158

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Documentation rebuilt for previous commit.

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Change backported from trunk: Adding more details about environment variables passed to cgi scripts.

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Fix typo in comment (s/patterm/pattern/).

Backport of r1726086 from trunk
resp. r1726087 from 2.4.x.

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xforms

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Fix spurious char

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XML update, see PR58868

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