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provide alternative PATH_INFO calculation options for proxy_fcgi.
PR 55329




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     trunk patch: http://svn.apache.org/r1588544 (rewrite+UDS)
                  http://svn.apache.org/r1641636 ('using default worker' msg tweak)
                  http://svn.apache.org/r1647005 (tcp reuse)
                  http://svn.apache.org/r1647009 (uds reuse)
                  http://svn.apache.org/r1647334 (uds reuse fix)


    + 1 additional de_socketfy call in mod_proxy





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tweak SCRIPT_FILENAME passed to fastcgi backends when a balancer is used.



save some bytes per Christophe's review.




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Update conn_rec.id when a new thread begins working on a connection, because
the old thread may work on a new connection and assign the same ID in parallel.


Submitted By:  Michael Thorpe
Committed By: covener



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backported


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Configuration files with long lines and continuation characters
are not read properly. PR 55910. 

Submitted By: Manuel Mausz <manuel-as mausz.at>
Committed By: covener




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Add class attributes for empty descriptions
Submitted by: druggeri
Reviewed/backported by: jim


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syntax is weird in .htaccess files.


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Be consistant with the code below which accepts lower or upper case.

Add CHANGE for r1649632
Submitted by: jailletc36
Reviewed/backported by: jim


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mod_proxy_ajp: Fix get_content_length().

clength in request_rec is for response sizes,
not request body size. It is initialized to 0,
so the "if" branch was never taken.

Submitted by: rjung
Reviewed/backported by: jim


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split-logfile: Fix perl error:  'Can't use string ("example.org:80") 
  as a symbol ref while "strict refs"'. PR 56329.

Submitted By: Holger Mauermann <mauermann gmail.com>
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@1651095 13f79535-47bb-0310-9956-ffa450edef68

PR 56603:  Inappropiate ProxyPassReverse match when interpolated URL 
is empty string 

Submitted By: <ajprout hotmail.com>
Committed By: covener


Submitted by: covener
Reviewed/backported by: jim


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mod_cgi: log cgi script stderr to ScriptLog, use APLOGNO for log_scripterror
errors.

Submitted by: jkaluza
Reviewed/backported by: jim


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mod_cgi: log cgi script stderr to ScriptLog, use APLOGNO for log_scripterror
errors.

Submitted by: jkaluza
Reviewed/backported by: jim


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* core: Fix -D[efined] or <Define>[d] variables lifetime accross restarts. 
        PR 57328.

Submitted-by: Armin Abfalterer <a.abfalterer gmail.com>
Reviewed/Committed-by: ylavic

Submitted by: ylavic
Reviewed/backported by: jim


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* core: Fix -D[efined] or <Define>[d] variables lifetime accross restarts. 
        PR 57328.

Submitted-by: Armin Abfalterer <a.abfalterer gmail.com>
Reviewed/Committed-by: ylavic

Submitted by: ylavic
Reviewed/backported by: jim


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mod_proxy: Preserve original request headers even if they differ
           from the ones to be forwarded to the backend. PR 45387.

Submitted by: ylavic
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1651082 13f79535-47bb-0310-9956-ffa450edef68

Fix computation of the size of 'struct sockaddr_un' when passed to 'connect()'.
Use the same logic as the one in ' in 'proxy_util.c'.


mod_proxy: Don't limit the size of the connectable Unix Domain Socket paths.
Since connect() to UDS path is used at several places, introduce
ap_proxy_connect_uds() in proxy_util.

Submitted by: jailletc36, ylavic
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1651081 13f79535-47bb-0310-9956-ffa450edef68

mod_proxy: Shutdown (eg. SSL close notify) the backend connection
before closing.


mod_proxy: follow up to r1601291.

Since deferred_write_pool is needed by the core_output_filter and is a subpool
of the connection, shutdown in a pre_cleanup of the connection's pool to avoid
a freed memory access (SEGV).

Reported By: takashi

Submitted by: ylavic
Reviewed/backported by: jim


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mod_ssl: dump SSL IO/state for the write side of the connection(s), like reads.


mod_ssl: follow up to r1601919.
Likewise when set from SNI callback.
Submitted by: ylavic
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1651078 13f79535-47bb-0310-9956-ffa450edef68

mod_ssl: Ensure that the SSL close notify alert is flushed to the client.
         PR54998.

Submitted By: Tim Kosse <tim.kosse filezilla-project.org>, ylavic
Committed By: ylavic


mod_ssl: SSL_smart_shutdown(): follow up to r1601184.
Use SSL_get_wbio() to comply with OPENSSL_NO_SSL_INTERN.
Stop SSL shutdown loop when flush fails.


mpm_event[opt]: Send the SSL close notify alert when the KeepAliveTimeout
                expires. PR54998.

Submitted by: ylavic
Reviewed/backported by: jim


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   * mod_proxy_fcgi: Ignore body data from backend for 304 responses. PR 57198.

Submitted by: jkaluza
Reviewed by: jkaluza, ylavic, covener
Backported by: jailletc36

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1650677 13f79535-47bb-0310-9956-ffa450edef68

   * mod_ssl: Check if we are having an SSL connection before looking up SSL
              related variables during expression evaluation to avoid a crash.
              If not return NULL as ssl_var_lookup_ssl does by default.  PR 57070

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

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   * mod_proxy_ajp: Fix handling of the default port (8009) in the
     ProxyPass and <Proxy> configurations.  PR 57259.

Submitted by: ylavic
Reviewed by: ylavic, jim, covener
Backported by: jailletc36

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