Bring SNI behavior into better conformance with RFC 6066:

- no longer send a warning-level unrecognized_name(112) alert
  when no matching vhost is found (PR 56241)

- at startup, only issue warnings about IP/port conflicts and name-based
  SSL vhosts when running with an OpenSSL without TLS extension support
  (almost 5 years after SNI was added to 2.2.x, the
  "[...] only work for clients with TLS server name indication support"
  warning feels obsolete)

Proposed by: kbrand
Reviewed by: jorton, ylavic


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588424 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588356 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588345 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588268 13f79535-47bb-0310-9956-ffa450edef68

introduced by r1587695 (and my silent killer proposal)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588267 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588257 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588254 13f79535-47bb-0310-9956-ffa450edef68

mod_auth_form: Make sure the optional functions are loaded even when
the AuthFormProvider isn't specified.

Submitted by: minfrin
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588247 13f79535-47bb-0310-9956-ffa450edef68

Only read "active" values from the key_files array. PR 56306.

Submitted by: kbrand
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588246 13f79535-47bb-0310-9956-ffa450edef68

Reverse the order when merging global and vhost-level config arrays.
Putting the vhost-level elements last allows overriding global settings
(for the deprecated SSLRequire directive, the order is irrelevant,
all of them must be met, cf. ssl_engine_kernel.c:ssl_hook_Access).

Submitted by: kbrand
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588245 13f79535-47bb-0310-9956-ffa450edef68

If the "value" argument is prefixed with expr=, parse it with ap_expr
rather than mod_headers' built-in format strings.


Submitted by: covener
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588244 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588240 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588221 13f79535-47bb-0310-9956-ffa450edef68

  Add hint about RequestHeader


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588220 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588179 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588176 13f79535-47bb-0310-9956-ffa450edef68

* support/rotatelogs.c (main): Prevent creation of zombies from
  post-rotate programs.

Reviewed by: druggeri, ylavic, covener


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588175 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588135 13f79535-47bb-0310-9956-ffa450edef68

add change to makefile.win missing from r1588054
which was merged to 2.4 in r1588064


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588076 13f79535-47bb-0310-9956-ffa450edef68

Merged /httpd/httpd/trunk:r1515403,1515411,1515420,1517175,1521909,1526647,1541181,1578762,1585054,1585072,1588054

mod_authnz_fcgi: New module to enable FastCGI authorizer
applications to authenticate and/or authorize clients.

Submitted by: trawick, jailletc36, gsmith
Approved by: trawick, jim, gsmith

(Thanks gsmith for the Windows build bits!)



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588064 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1588057 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587884 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587881 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587770 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587768 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587767 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587758 13f79535-47bb-0310-9956-ffa450edef68

* Do not parse URL in case of regular expression as they likely do not follow
  the URL syntax.

PR: 56074

Submitted by: rpluem
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587699 13f79535-47bb-0310-9956-ffa450edef68

mod_reqtimeout: Resolve unexpected timeouts on keepalive requests 
under the Event MPM. PR56216.  

Submitted By: Frank Meier <frank meier ergon ch>
Committed By: covener



Submitted by: covener
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587697 13f79535-47bb-0310-9956-ffa450edef68

Add suspend_connection and resume_connection hooks to notify modules
when the thread/connection relationship changes.  (Currently implemented
only for the Event MPM; should be implemented for all async MPMs.)


follow-up to r1546759: remove an inadvertently committed testcase
Submitted by: trawick
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587695 13f79535-47bb-0310-9956-ffa450edef68

mod_proxy_fcgi: Fix sending of response without some HTTP headers
that might be set by filters.

The problem occurs when no body bytes were read while reading the
response headers, resulting in an empty brigade being sent down
the filter stack.  One particualr filter that mishandles the empty
initial brigade is mod_deflate.  It neglects to add to the response
header fields.

PR: 55558
Submitted by: Jim Riggs <jim riggs.me>
Reviewed by: trawick

Submitted by: trawick
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587694 13f79535-47bb-0310-9956-ffa450edef68

Do not delete the wrong data from HTML code when a "http-equiv" meta tag specifies a Content-Type behind any other "http-equiv" meta tag.
PR 56287 [Micha Lenk <micha lenk info>]
Submitted by: jailletc36
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587693 13f79535-47bb-0310-9956-ffa450edef68

Do not scan past the end of the buffer.
If no terminating delimiter is found, just leave things as it is
Submitted by: jailletc36
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587692 13f79535-47bb-0310-9956-ffa450edef68

Do not perform a p+= 7 that could go past the end of the buffer in case we find a 'content' without a corresponding '='.

Should we need to deal with this case, a new search should be performed to find the real starting position of another potential 'content=' pattern.
Submitted by: jailletc36
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587690 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587688 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587687 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587650 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587642 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587620 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1587324 13f79535-47bb-0310-9956-ffa450edef68