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sync htdigest with trunk to fix overflows and pick up other minor tweaks

Reviewed by: poirier, rpluem


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due to the way that symbols are resolved.

Generally, main.c should export nothing.


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avoid example in sections.xml that uses DirectoryMatch with unmatchable $



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to the docs.


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who don't know what a vhost is.


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Don't log errors when we can't send to client, just debug.

Submitted by: jfclere
Reviewed/backported by: jim


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core: fix SymlinksIfOwnerMatch checking:
  (1) Fix Origin checking (PR 36783 - Robert L Mathews)
  (2) Check ownership if both FollowSymlinks and SymlinksIfOwnerMatch are set


* lfi is already a pointer in contrast fi which was used before.

Reviewed/backported by: jim


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       PR 46594 (not 47066 as incorrectly recorded in change log)
            trunk: http://svn.eu.apache.org/viewvc?view=revision&revision=894036
                        http://svn.apache.org/viewvc?view=revision&revision=966059
                             2.2.x: http://people.apache.org/~niq/patches/46594.patch
                                                           (newly updated to fold in r966059)
                                                                +1: niq, rpluem, jim



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Prevent race condition
See http://www.mail-archive.com/dev@httpd.apache.org/msg47171.html

Submitted by: jfclere
Reviewed/backported by: jim


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- vote
- comment on MSIE ssl config proposal


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(ugh!)


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mod_log_config: Make ${cookie}C correctly match whole cookie names
instead of substrings.

Submitted by: Dan Franklin <dan dan-franklin.com>, Stefan Fritsch

Simplify code by using apr_strtok

Also remove trailing whitespace in the value

fix off by one error
PR: 28037

Reviewed by: sf, jim, rpluem


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Sub-requests are created and used with two purposes; sometimes
simply to 'see' what a request would do; as to fill out an SSI,
validate access or similar - and is then discarded. And sometimes
as the precursor to becoming the actual request; e.g. when mod_dir
checks if an /index.html can be served for a '/'.

In the latter case it is important to preserve the output filters
'for real'; whereas in the first case they have to be reset to
purely the minimal proto filters (if at all). This patch instates
the output filters in 3 cases where sub-requests are/may in fact
be used as the real request later on.

This is a relatively risky change (which should not be back-ported 
without further discussion) and may break caches in combination 
with internal redirects/vary/negotiation in subtle ways.

See the thread starting at [1] and in particular the general 
concerns of rpluem at [2] with respect to sub requests 
and (fast_)internal redirects possibly needing a more 
thorough overhaul.

1: http://mail-archives.apache.org/mod_mbox/httpd-dev/200802.mbox/ajax/%3c335D1A4B-25E2-4FF1-8CDF-5010A7FBD293@webweaving.org%3e
2: http://mail-archives.apache.org/mod_mbox/httpd-dev/200802.mbox/%3c47ACE1D4.4060702@apache.org%3e



* Correctly remove the SUBREQ_CORE filter from the filter chain if we do an
  internal fast redirect and if the new redirected request is NO subrequest.
  This fixes at least one of the possible subtle issues mentioned in the
  comment to r620133.


reset chain if we need to...


Hopefully the final fix for the subreq/filter issue. The
prob was that we at this point could still have some
stale and incorrect refs when we adjusted the f-stack.
So move the update earlier so when we adjust, we're
affecting r. Ruediger and Jim pretty much
simultaneously :)


* modules/http/http_request.c (internal_internal_redirect): For a
  subrequest, preserve any filters in the output filter chain which
  were not specific to the subrequest across the redirect (where
  f->r does not point to the subreq's request_rec).

PR: 17629, 43939

Reviewed by: rpluem, jim, niq


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Fold rpluem comment and conditional vote into PR 36783 proposal
Withdraw vetoed PR 43039 proposal


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