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  Rebranch from trunk

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@219539 13f79535-47bb-0310-9956-ffa450edef68

  Remove to readd from trunk

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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@219503 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: Daniel Lopez <daniel@rawbyte.com>


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  Fix broken while () {} loops (lingering code from the old logic),
  closes an infinite loop in the most recent version.  Init the cl_val
  to prevent failure of zero length bodies in the most recent version.

  Use 'request body' instead of 'data' to describe any errors.

  Finally, loop around ap_get_brigade to grab multiple chunks that still
  fall below our MAX_MEM_SPOOL threshold, since the chunk decoding from
  the client will pass up just one small chunk per ap_get_brigade call.


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Translated by: Nikola Smolenski <smolensk eunet.yu>
Reviewed by: Danilo Šegan <danilo gnome.org>


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just before the final return.  This gives modules an opportunity to do
something based on the proxy status.

A couple of examples where this is useful:

-You are using a caching module and would rather return stale content rather
than an error to the client if the origin is down.

-you proxy some subrequests (using SSI - mod_include) and do not want SSI
errors when the backend is down. If you would normally return
HTTP_BAD_GATEWAY, you may have a module that serves some other content.


new hook -- so mmn bump.. i made it a major one, hope thats ok 

Patch From Brian Akins <Brian.Akins turner.com>




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  Backported a few already

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  On Roy's suggestion; why wait to try to clear out the input
  stream if it is smaller than MAX_MEM_SPOOL?  Do this upfront
  before dispatching to a body handler.

  This means changing each of the three body pumps to presume
  a preexisting input_brigade was already loaded, so turn around
  their loop conditions.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@219224 13f79535-47bb-0310-9956-ffa450edef68

  Fix a style problem; b is ambigous (is it a brigade or bucket?)
  bb is far less ambigous.

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  leaving force-proxy-request-1.0 for broken clients, revert my
  patch for forcing an HTTP/1.0 proxy request, if the client 
  request is HTTP/1.0, per Roy.


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  Missed an edge case; once we know the C-L didn't match, it's
  time to shut down the body already.  Finish reading from the
  client but do nothing else, returning an error.


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  How can I fix thee?  let me count the ways...

  * pass a chunked body always (no-body requests don't go chunked).

  * validate that the C-L counted body length doesn't change.

  * follow RFC 2616 for C-L / T-E in the request body C-L / T-E
    election logic.

  * do not forward HTTP/1.0 requests as HTTP/1.1, unless the admin
    configures force-proxy-request-1.1

  * conn was illegible, use 2.0's p_conn.


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  Fix two fat-fingered typos from commit 216156.  Code matches previous
  behavior now; time to start fixing.

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  send_request_body and indentation made it very difficult to follow
  all the mistakes in this code.  Fold send_request_body into reindent
  to make the pattern clear and skip some extra string handling.
  Little functional change, that comes next.


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  End abuse of apr_strnat[case]cmp - it isn't str[case]cmp.

  Unsure if apr_strnatcasecmp(conf_ip, uri_ip) was intentional, on the
  off chance that the left or right hand ip string happens to contain
  leading zeros.

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  Added TraceEnable, and note Request Splitting/Response Splitting.

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  The cookie is AP22 by unanimous consent.

  This is because 2.1.x dies the day 2.2.0 is branched.  There will
  be no updates to 2.1 as we continue to maintain 2.2.


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  Fix a ton of wrong/silly indention, and clarify the fix-notes


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Fix the CHANGES to reflect when things were really fixed. Also remove the security tag from the proxy change, as suggested by Joe.


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  No UCHAR, per Joe

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So don't bother to store it, but still force OpenSSL
to provide a Session ID.


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  Joe strongly objected to this outgoing style; use this incoming
  style for const modifiers so the reader can still follow that
  the data is [const] unsigned char *

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  The macro is simply not worth it; each of these various occurances
  differ as openssl has modified pointer constness from bump to bump.

  This needs testing on Netware, it builds clean on 0.9.6m, 0.9.7d,
  0.9.7g, and 0.9.8-final on Win32.

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  Add notation of Georg's patch to capture SSL_COMPRESS_METHOD.

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Add the httxt2dbm utility to create DBM files for RewriteMap.  This replaces the txt2dbm script in the manual, and allows the use of any available DBM format.


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  Wrap this type in a macro since it seems to be bouncing from
  0.9.7g to 0.9.7h in const'ness.

PR: 34520

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