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English Revision: 421100

Submitted by: kawai
Reviewed by: takashi

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*  mod_proxy_http.c
   Ensure that the EOC bucket is inserted BEFORE an EOS bucket in bb as
   some resource filters like mod_deflate pass everything up to the EOS
   down the chain immediately and sent the remainder of the brigade later
   (or even never). But in this case the ap_http_header_filter does not
   get out of our way soon enough.

   http_filters.c
   Remove all data buckets that are in a brigade after an EOC bucket
   was seen, as an EOC bucket tells us that no (further) resource
   and protocol data should go out to the client. OTOH meta buckets
   are still welcome as they might trigger needed actions down in
   the chain (e.g. in network filters like SSL).
   Remark 1: It is needed to dump ALL data buckets in the brigade
             since an filter in between might have inserted data
             buckets BEFORE the EOC bucket sent by the original
             sender and we do NOT want this data to be sent.
   Remark 2: Dumping all data buckets here does not necessarily mean
             that no further data is send to the client as:
             1. Network filters like SSL can still be triggered via
                meta buckets to talk with the client e.g. for a
                clean shutdown.
             2. There could be still data that was buffered before
                down in the chain that gets flushed by a FLUSH or an
                EOS bucket.

PR: 37770

Submitted by: rpluem
Reviewed by: jim


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* Check for failure of apr_file_info_get call

Reported By: BOYA SUN <boya.sun case.edu>

Submitted by: rpluem
Reviewed by: jim


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When group is given as a numeric gid, validate it by looking up the
actual group name such that the name can be used in log entries.

PR: 7862
Submitted by: <y-koga apache.or.jp>, Leif W <warp-9.9 usa.net>
Reviewed by: fielding, jim, rpluem


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The response to the TRACE method is partially garbled on an EBCDIC platform.
Send the request line and trailing CRLF in ASCII.

Submitted by:           David Jones <oscaremma gmail.com>
Reviewed and tested by: gregames



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* Include <limits.h> earlier if available since INT_MAX is defined there on
  Windows and we need INT_MAX already for the definition of MAX_REQUESTS.

PR: 45024


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* Do not allow all options of ALL to be set when only a few of them are
  allowed.

PR: 44262
Submitted by: Micha?\197?\130 Grz?\196?\153dzicki <lazy iq.pl>
Reviewed by: rpluem

Submitted by: rpluem
Reviewed by: jim


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* Restore the original request headers if the cached resource was stale, as they
  may be needed by further output filters like the byterange filter to make the
  correct decisions.

PR: 44579


* Do not do Range requests if we use our own conditionals for validating
  a cache entity: If we get 304 the Range does not matter and otherwise the
  entity changed and we want to have the complete entity.

PR: 44579

Submitted by: rpluem
Reviewed by: jim


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* Do not retry a direct connection if the request has a request body

Submitted by: rpluem
Reviewed by: jim


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* Do not retry a request in the case that we either failed to sent a part of the
  request body or if the request is not idempotent.

PR: 44334


* As per niq's comment, better destinct the types of idempotence.


* Introduce a flag to decide whether we sent an body to the backend or not.

Submitted by: rpluem
Reviewed by: jim


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