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Changes with Apache 2.0.29-dev

  *) APR-ize the resolver logic in mod_unique_id.  This fixes a bug
     in logging the error from a failed DNS lookup.  [Jeff Trawick]

  *) Added the missing macros AP_INIT_TAKE13 and AP_INIT_TAKE123.
     [Cliff Woolley]

  *) Get mod_cgid killed when a MPM exits due to a fatal error.
     [Jeff Trawick]

  *) Fix a file descriptor leak in mod_include.  When we include a
     file, we use a sub-request, but we didn't destroy the sub-request
     immediately, instead we waited until the original request was
     done.  This patch closes the sub-request as soon as the data is
     done being generated.  [Brian Pane <bpane@pacbell.net>]

  *) Allow modules that add sockets to the ap_listeners list to
     define the function that should be used to accept on that
     socket.  Each MPM can define their own function to use for
     the accept function with the MPM_ACCEPT_FUNC macro.  This
     also abstracts out all of the Unix accept error handling
     logic, which has become out of synch across Unix MPMs.
     [Ryan Bloom]

  *) Fix a bug which would cause the response headers to be omitted
     when sending a negotiated ErrorDocument because the required
     filters were attached to the wrong request_rec.
     [John Sterling <sterling@covalent.net>]

  *) Remove commas from the end of the macros that define
     directives that are used by MPMs.  Prior to this patch,
     you would use these macros without commas, which was unlike
     the macros for any other directives.  Now, the caller provides
     the comma rather than the macro providing it.  This makes
     the macros look more like the rest of the directives.
     [Ryan Bloom and Cliff Woolley]
  *) Add 'redirect-carefully' environment option to disable sending
     redirects under special circumstances.  This is helpful for 
     Microsoft's WebFolders when accessing a directory resource via
     DAV methods.  [Justin Erenkrantz]

  *) Begin to abstract out the underlying transport layer.
     The first step is to remove the socket from the conn_rec,
     the server now lives in a context that is passed to the
     core's input and output filters. This forces us to be very
     careful when adding calls that use the socket directly,
     because the socket isn't available in most locations.
     [Ryan Bloom]

  *) Really reset the MaxClients value in worker and threaded
     when the configured value is not a multiple of the number 
     of threads per child.  We said we did previously but we 
     forgot to. [Jeff Trawick]
  *) Add Debian layout.  [Daniel Stone <daniel@sfarc.net>]

  *) If shared modules are requested and mod_so is not available,
     produce a fatal config-time error.  [Justin Erenkrantz]

  *) Improve http2env's performance by cutting the work it has to
     do.  [Brian Pane <bpane@pacbell.net>]

  *) use new 'apr_hash_merge' function in mod_mime (performance fix)
     [Brian Pane <bpane@pacbell.net>]

  *) Fix infinite loop in mod_cgid.c.  
     [Dale Ghent <daleg@elemental.org>, Brian Pane <bpane@pacbell.net>]

  *) When no port is given in a "ServerName host" directive, the
     server_rec->port is now set to zero, not 80. That allows for
     run-time deduction of the correct server port (depending on
     SSL/plain, and depending also on the current setting of
     UseCanonicalName). This change makes redirections
     work, even with https:// connections. As in Apache-1.3, the
     connection's actual port number is never used, only the ServerName
     setting or the client's Host: setting. Documentation updated
     to reflect the change. [Martin Kraemer]
  *) Add a '%{note-name}e' argument to mod-headers, which works in
     the same way as mod_log_confg.  [Ian Holsman]

  *) Fix the spelling of the AP_MPMQ_MIN_SPARE_DAEMONS and
     AP_MPMQ_MAX_REQUESTS_DAEMON macros in ap_mpm.h and all standard
     MPMs.  [Cliff Woolley]

William A. Rowe Jr's avatar
 
William A. Rowe Jr committed
  *) Introduce htdbm, a user management utility for db/dbm authorization
     databases.  [Mladen Turk <mturk@mappingsoft.com>]

  *) Optimize usage of strlen and strcat in ap_directory_walk.
     [Brian Pane <bpane@pacbell.net>]

  *) Introduce an Apache mod_ssl initial configuration template 
     (ssl.conf, generated from ssl-std.conf).  [Ralf S. Engelschall]

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Aaron Bannert committed
  *) Fixed a memory leak in the getline parsing code that could
     be triggered by arbitrarily large header lines. Requests
     from the core input filter for single lines are now limited
     to HUGE_STRING_LEN (8192 bytes).  [Aaron Bannert]

  *) Fix a truncation bug in how we print the port on the Via: header. 
     The routine that prints the Via: header now takes a length for
     the port string.  [Zvi Har'El <rl@math.technion.ac.il>]

  *) Some syntax errors in mod_mime_magic's magic file can result
     in a 500 error, which previously was unlogged.  Now we log the
     error.  [Jeff Trawick]

  *) Add the support/checkgid helper app, which checks the run-time
     validity of group identifiers usable in the Group directive.
     [Ken Coar]

  *) Various --enable-so options have been fixed: --enable-so is
     treated as "static"; explicit --enable-so=shared issues an error;
     and explicit --enable-so fails with error on systems without
     APR_HAS_DSO.  [Aaron Bannert]

  *) Fix a segfault in the core input filter when the client socket
     gets disconnected unexpectedly.  [Cliff Woolley]

  *) Fix the reporting for child processes that die.  This removes
     all of the non-portable W* macros from Apache. 
     [Jeff Trawick and Ryan Bloom]

  *) Win32: Track and display "Parent Server Generation:" in
     mod_status output. The generation will be bumped at
     server graceful restart, when the child process exits
     by hitting MaxRequestsPerChild or if the child 
     process exits abnormally. [Bill Stoddard]

  *) Win32: Fix problem where MaxRequestsPerChild directive was
     not being picked up in favor of the default. Enable
     the parent to start up a new child process immediately upon
     the old child starting shutdown.
     [Bill Stoddard]
  *) Fix some bungling of the remote port in rfc1413.c so that 
     IdentityCheck retrieves the proper user id instead of failing
     and thus always returning "nobody."  
     [Dick Streefland <Dick.Streefland@xs4all.nl>]

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  *) Introduced thread saftey for mod_rewrite's internal cache.
     [Brian Pane <bpane@pacbell.net>]

  *) Simplified mod_env's directives to behave as most directives are
     expected, in that UnsetEnv will not unset a SetEnv and PassEnv 
     directive following that UnsetEnv within the same container.
     Also provides a runtime startup warning if a PassEnv configured 
     environment value is undefined.  [William Rowe]

  *) The worker MPM is now completely ported to APR's new lock API. It
     uses native APR types for thread mutexes, cross-process mutexes,
     and condition variables.  [Aaron Bannert]

  *) Sync up documentation to remove all references to the now deprecated
     Port directive.  [Justin Erenkrantz]

  *) Moved all ldap modules from the core to httpd-ldap sub-project
     [Ryan Bloom]

  *) Exit when we can't listen on any of the configured ports.  This
     is the same behavior as 1.3, and it avoids having the MPMs to
     deal with bogus ap_listen_rec structures.  [Jeff Trawick]

  *) Cleanup the proxy code that creates a request to the origin
     server.  This change adds an optional hook, which allows modules
     to gain control while the request is created if the proxy module
     is loaded.  The purpose of this hook is to allow modules to add
     input and/or output filters to the request to the origin.  While
     I was at it, I made the core use this hook, so that proxy request
     creation uses some of the code from the core.  This can still be
     greatly improved, but this is a good start.  [Ryan Bloom]

Changes with Apache 2.0.26
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Ryan Bloom committed

  *) Port the MaxClients changes from the worker MPM to the threaded
     MPM.  [Ryan Bloom]

  *) Fix mod_proxy so that it handles chunked transfer-encoding and works
     with the new input filtering system.  [Justin Erenkrantz]

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  *) Introduce the MultiviewsMatch directive, to allow the operator
     to be flexible in recognizing Handlers and Filters filename
     extensions as part of the Multiviews matching logic, strict with
     MultiviewsMatch NegotiatedOnly to accept only filename extentions 
     that designate negotiated parameters, (content type, charset, etc.)
     or MultiviewsAll for the 1.3 behavior of matching any files, even
     if they have unregistered extensions.  [William Rowe]

  *) Fixed the configure script to add a LoadModule directive to
     the default httpd.conf for any module that was compiled
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     as a DSO.  [Aaron Bannert <aaron@clove.org>]
  *) rewrite mod_ssl input filtering to work with the new input filtering
     system.  [Justin Erenkrantz]
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