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separate from the input filter mode type.

We also no longer look at readbytes to determine the method of
filter operation.  This makes the use of filters more obvious and
allows a wider range of options for input filters modes.

To start with, the new input filter modes are:

AP_MODE_READBYTES (no more than *readbytes returned)
AP_MODE_GETLINE (old *readbytes == 0 case)
AP_MODE_EATCRLF (old AP_MODE_PEEK)
AP_MODE_SPECULATIVE (will be used in a future ap_getline rewrite)
AP_MODE_EXHAUSTIVE (old *readbytes == -1 case)
AP_MODE_INIT (special case for NNTP over SSL)

The block parameter is an apr_read_type_e: APR_BLOCK_READ, APR_NONBLOCK_READ

This also allows cleanup of mod_ssl's handling in the getline case.

Reviewed by:	Ryan Bloom (concept), Greg Stein (concept)


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an APR_POOL_DEBUG/ElectricFence build.


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  Footnote on this chapter.  A cold and bitter Chicago night tonight.


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error occures because the accept() cannot complete.
You will not see ENOBUFS at 10.20 because the kernel
hides any occurrence from being returned from user space.
ENOBUFS at 11.0 TCP/IP is quite possible, and could
occur intermittently. As a work-around, we are going to
ingnore ENOBUFS.

Submitted by: madhusudan_mathihalli@hp.com
Reviewed by: Bill Stoddard


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PR:
Obtained from:
Submitted by:
Reviewed by:	Justin Erenkrantz


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PR:
Obtained from:
Submitted by:
Reviewed by:


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to avoid segfaults.

Using prefork MPM and APR_POOL_DEBUG and ElectricFence, I found a
couple of paths where weren't able to report APR_EOF all the way
back up the call tree, leading us back into core_input_filter with
an empty brigade.

Some of the paths in core_input_filter handled it, some didn't.


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	Bring forward the FileETag directive enhancement from 1.3.23-dev.
	(Passes all 61 of the apache/etags.t test.)  Bump MMN due to
	change to core_dir_config structure (new fields at end).


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wrong config to ap_get_remote_host().


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using 755 for the permissions on the log directory instead of
750.


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The per-transaction pools in the worker MPM can't be children of
the listener thread's pool, because that pool may go out of scope
while some workers are still procesing requests using the transaction
pools.


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     mod_so, mod_win32 and the winnt mpm] into individual loadable
     modules, so the administrator may individually disable the former
     compiled-in modules by simply commenting out their LoadModule
     directives.  [William Rowe]

  *) Saved Win32 module authors and porters many future headaches, by
     duplicating the appropriate .h files such as os.h into the include
     directory, including in the build tree.  [William Rowe]

  Also noticed that version stamp resources weren't generated for proxy
  modules, this too is now fixed.


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  Use SSL functions/macros instead of directly dereferencing SSL
  structures wherever possible.
  Add type-casts for the cases where functions return a generic pointer.
  Add $SSL/include to configure search path.
PR:
Obtained from:
Submitted by:	Madhusudan Mathihalli <madhusudan_mathihalli@hp.com>
Reviewed by:	dougm


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forgot this file
PR:
Obtained from:
Submitted by:
Reviewed by:


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@92793 13f79535-47bb-0310-9956-ffa450edef68

  This patch eliminated from the _SHARED_ segment of the scoreboard all
  pointer math.  This is required for portable scoreboards.

  vhost becomes the 'vhost name string' so it now survives ap_generation
  clicks.  next was apparently never used.

  This patch also accounts for the changes to the apr_shm api, and gives
  Win32 the magic of a shared scoreboard.

  Breakage aplenty on non-win32 platforms, I suspect, but this radical
  surgery, and culling of unused functions, was really, really needed.


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to apr_proc_create()
PR:
Obtained from:
Submitted by:
Reviewed by:


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Submitted by:	albert chin (china@thewrittenword.com)
Reviewed by:	Justin Erenkrantz


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@92743 13f79535-47bb-0310-9956-ffa450edef68

  don't hard-code the address family of the target; respect
  what the resolver told us

  get a new socket each time we try to connect to one of the
  target addresses as reported by the resolver; you can't
  portably attempt to connect more than once on the same
  socket

this is the same fix committed to proxy http support yesterday


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(1) PR #9190  It failed to connect to IPv6 hosts.
(2) It failed to connect when the first IP address returned by
    the resolver was unreachable but a secondary IP address was.

PR:    9190 (partly)


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modules.

PR:           #9338
Submitted by: James Watson <ap2bug@sowega.org>


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ap_*_client_block to ap_http_filter (aka HTTP_IN).  This is the
only appropriate place for limit checking to occur (otherwise,
chunked input is not correctly limited).

Also changed the type of limit_req_body to apr_off_t to match the
other types inside of HTTP_IN.  Also made the strtol call for
limit_req_body a bit more robust.


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an HTTP/0.9 response or a bogus status line.

Submitted by: Adam Sussman
Reviewed by:	Bill Stoddard


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@92693 13f79535-47bb-0310-9956-ffa450edef68

end of the status line returned from the proxied server.
Note that buffer is NULL terminated by the call to
ap_proxy_string_read() so there is no need to terminate it
again.

Submitted by:	Adam Sussman
Reviewed by:	Bill Stoddard


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@92692 13f79535-47bb-0310-9956-ffa450edef68

getting an empty brigade from ap_get_brigade(). Also made sure that
we always call ap_get_brigade() in readline mode.

Submitted/Reviewed by: Adam Sussman & Bill Stoddard


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  Ever tried to extract some value of QUERY_STRING from within SSI?
  Now you can :)  Provides $0..$9 results for any regex evaluation,
  and strengthens the expr parser for regex expressions.


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<!-- --> ones.

PR:
Obtained from:
Submitted by:
Reviewed by:


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  New directive, new docs


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- No longer calls exit() when the secret fails to initialize, instead
  post_config just returns !OK and lets the server bail out.

- No longer fails on DSOs -- since we load-unload-reload DSOs we lose
  any static memory that was initialized during the first load.
  This patch allows us to simply pass on the first call to post_config,
  and then do the initialization in the second call.

Tested to work on Linux from an IE5.0 client.


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