mod_md: check for arc4random_buf in configure and use if available.



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   - use 'ap_cstr_casecmpn' instead of 'strncasecmp'
   - use 'apr_table_setn' when parameters are constant
   - avoid some memory allocation if the module can not handle a request

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mod_http2: fixed unfair scheduling when number of active connections
     exceeded the scheduling fifo capacity.



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with APR 1.7 or later:

* server/listen.c (match_address): New function, factored out from
  find_listeners.
  (find_listeners): Use it; add scope and temp pool arguments.
  (alloc_listener): Take scope_id and pool arguments and pass through;
  set zone for addresses if present.
  (ap_set_listener): Pass through temp pool and scope id.
  
* server/vhost.c (get_addresses): Set zone for vhost address if
  present.


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mod_md: some clarifications around 'auto' membership in Managed Domains after review.



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mod_md: v1.0.5, restricting post_config dry run to be more silent and performing
     only necessary work for mod_ssl to be also happy with the configuration.



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  ab link line, not the start.


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PR 56457


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Remove some trailing spaces to synch with 2.4.x

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removed a2md from Windows makefile and .dsw



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mod_md: v1.0.4, removed the 'a2md' utility command from build. Only used in github
     testing. Avoid problems with our build system that had problems after the latest
     changes to make a clean initial build. Remove the windows a2md.dsp therefore also.



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fail. 

PR: 61666


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PR: 52644 


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  does not contain a colon before constructing Authorization header
  for FakeBasicAuth mode. (Also constify 'user' variable.)

PR: 52644


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mod_md v1.0.3: fixes for getting stalled on new license agreemnet from CA. Job properties persisted now to preserve change when watchdog child changes.



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http://httpd.apache.org/docs/trunk/mod/mod_substitute.html#comment_7147



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Get items in dsw files, BuildBin.dsp that didn't make 1815264
Make sure abs builds before a2md so applink.c in OpenSSL 1.1.0 gets copied
into same location as it exists in 1.0.2.

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mod_md: v1.0.2, fix staging reset when MDCertificateAgreemen was initially missing.



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"'rv' may be used uninitialized in this function".


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compiler warning
"'rv' may be used uninitialized in this function".

Follow up to r1722154.


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     is used.

In https://bz.apache.org/bugzilla/show_bug.cgi?id=57585 some use cases
were reported in which IncludeOptional seems to be too strict in its
sanity checks.

This change is a proposal to relax IncludeOptional checks to silently
fail when a file path is not existent rather than returning SyntaxError.


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so in order to support it more changes are necessary.


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Using a fixed major version might not be the best
choice but using a fixed outdated one is even worse.


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