mod_proxy_connect/wstunnel: If both client and backend sides get readable
at the same time, don't lose errors occuring while forwarding on the first
side when none occurs next on the other side, and abort.


CHANGES: Follow up to r1657636, clarify message.


mod_proxy_{connect,wstunnel}: follow up to r1657636.
Since rv is not used as an apr_status_t in the loop (it's logging is done by
proxy_{connect,wstunnel}_transfer() when necessary/relevent), use a boolean
instead to avoid the ugly ORs between APR error codes.

Submitted by: ylavic
Reviewed/backported by: jim


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core: Add expression support to ErrorDocument. Switch from a fixed
sized 664 byte array per merge to a hash table.

Submitted by: minfrin
Reviewed/backported by: jim


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Avoid a potential integer underflow in the lock timeout value sent back to a client. The answer to a LOCK request could be an extremly large integer if the time needed to lock the resource was longer that the requested timeout given in the LOCK request. In such a case, we now answer "Second-0".  PR55420
Submitted by: jailletc36
Reviewed/backported by: jim


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Translated by: Nilgün Belma Bugüner <nilgun belgeler.gen.tr>
Reviewed by:  Orhan Berent <berent belgeler.gen.tr>

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Retry ENOENT like ECONNREFUSED, but only near a server restart.

PR57685

Submitted By: Edward Lu
Committed By: covener



Submitted by: covener
Reviewed/backported by: jim


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mod_proxy_http: Don't expect the backend to ack the "Connection: close" to
finally close those not meant to be kept alive by SetEnv proxy-nokeepalive
or force-proxy-request-1.0, and respond with 502 instead of 400 if its
Connection header is invalid.

Submitted by: ylavic
Reviewed/backported by: jim


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mod_proxy: use the original (non absolute) form of the request-line's URI
for requests embedded in CONNECT payloads used to connect SSL backends via
a ProxyRemote forward-proxy. PR 55892.

Submitted by: Hendrik Harms <hendrik.harms gmail com>
Reviewed  by: wrowe, ylavic
Committed by: ylavic


mod_proxy: follow up to r1665215: CHANGES entry.
Submitted by: ylavic
Reviewed/backported by: jim


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A misplaced check for inflation limits prevented limiting relatively
small inputs.  PR56872

Submitted By: Edward Lu 
Committed By: covener



mod_deflate: follow up to r1619383.

deflate_in_filter():
- use inflated bytes per inflate() call to compute the total output bytes,
- check zlib errors before limits,
- add missing check_ratio() when asked to flush.

deflate_out_filter():
- check ratio after each inflate() call.


mod_deflate: follow up to r1619383 and r1619444: CHANGES entry.

CHANGES: follow up to r1662245: Add PR number.
Submitted by: covener, ylavic, ylavic, ylavic
Reviewed/backported by: jim


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Update mod_proxy_http proposal (missing ap_proxy_connection_reusable() in 2.4.x), and remove Eric's vote.

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  *) SECURITY: CVE-2015-0253 (cve.mitre.org)
     core: Fix a crash introduced in with ErrorDocument 400 pointing
     to a local URL-path with the INCLUDES filter active, introduced
     in 2.4.11. PR 57531. [Yann Ylavic]


Submitted By: ylavic
Committed By: covener






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xforms


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Remove some instances where a RewriteBase must be specified

Previously, any time you used a relative substitution in 
per-directory/htaccess context, you needed to specify
a RewriteBase. But in case where the context document root 
and context prefix are known via e.g. mod_userdir
or mod_alias, and the substitution is under the context 
document root, we can determine the replacement automatically.

This makes htaccess files or config snippets a bit more
portable.





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