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William A. Rowe Jr 91cd7755cd Negotiation once allowed any file, of any filename extension, to be 
served.  The original patch to mod_negotation eliminated all extensions
  that did not reflect filename extensions associated with negotiation
  variables, unless the user expressly specified the file name with those
  filename extensions.

  This patch [attributed to me] was vetoed at its inception, it was provided
  as an alternative for those who had to have the current behavior.

  There is now another alternative patch that would introduce the
  MultiviewsMatch directive to mod_mime, for consideration and discussion.


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2001-10-10 19:43:37 +00:00

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APACHE 2.0 STATUS: -*-text-*-
Last modified at [$Date: 2001/10/10 19:43:37 $]
Release:
2.0.25 : rolled August 29, 2001
2.0.24 : rolled August 18, 2001
2.0.23 : rolled August 9, 2001
2.0.22 : rolled July 29, 2001
2.0.21 : rolled July 20, 2001
2.0.20 : rolled July 8, 2001
2.0.19 : rolled June 27, 2001
2.0.18 : rolled May 18, 2001
2.0.17 : rolled April 17, 2001
2.0.16 : rolled April 4, 2001
2.0.15 : rolled March 21, 2001
2.0.14 : rolled March 7, 2001
2.0a9 : released December 12, 2000
2.0a8 : released November 20, 2000
2.0a7 : released October 8, 2000
2.0a6 : released August 18, 2000
2.0a5 : released August 4, 2000
2.0a4 : released June 7, 2000
2.0a3 : released April 28, 2000
2.0a2 : released March 31, 2000
2.0a1 : released March 10, 2000
Please consult the following STATUS files for information
on related projects:
* srclib/apr/STATUS
* srclib/apr-util/STATUS
* docs/STATUS
RELEASE SHOWSTOPPERS:
* If any request gets to the core handler, without a flag that this
r->filename was tested by dir/file_walk, we need to 500 at the very
end of the ap_process_request_internal() processing. This provides
authors of older modules better compatibility, while still improving
the security and robustness of 2.0.
Status: still need to decide where this goes, OtherBill comments...
Message-ID: <065701c14526$495203b0$96c0b0d0@roweclan.net>
we need to look at halting this in the 'default handler' case,
and that implies pushing the 'handler election' into the request
internal processing phase from the run request phase.
* There is a bug in how we sort some hooks, at least the pre-config
hook. The first time we call the hooks, they are in the correct
order, but the second time, we don't sort them correctly. Currently,
the modules/http/config.m4 file has been renamed to
modules/http/config2.m4 to work around this problem, it should moved
back when this is fixed. rbb
* The Add...Filter and Set...Filter directives do not allow the
administrator to order filters, beyond the order of filename (mime)
extensions. It isn't clear if Set...Filter(s) should be inserted
before or after the Add...Filter(s) which are ordered by sequence of
filename extensions. Add...FilterByType will add to this quandry.
Some sort of resolution needs to be proposed,
* mod_dir should normally redirect ALL directory requests which do
not include a trailing slash on the URI. However, if a "notes"
flag is set (say, via BrowserMatch), this behavior will be
disabled for non-GET requests.
Status: Greg volunteers
MsgId: <20010227104646.E2297@lyra.org>
MsgId: <3A9C0097.9C83F07C@Golux.Com>
* mod_negotiation needs a new option or directive, something like
ForceLanguagePriority, to fall back to the LanguagePriority
directive instead of returning a "no acceptable variant" error.
Status: Bill has some code in his tree that accomplishes
this, and will commit it Friday after it's tested.
* Usability: Sanitize the MPM config directives. MaxClients in
the threaded MPM is totally misleading now as it has little to
do with limiting the number of clients (it limits the number
of child processes). Bill proposed nomenclature change to
something like "StartWorkers, MaxWorkers, etc." that could
apply to most all the MPMs (with some notable exceptions).
Bill would be happy with changing MaxClients to MaxServers
to make it agree with the operation of the StartServers
directive.
* Fix the configure script to add a LoadModule directive to
the default httpd.conf for any module that was compiled
as a DSO.
* revamp the input filter semantics, per discussions since
February (and especially at the hackathon last
April). Specifically, ap_get_brigade will return a brigade with
*up to* a specific number of bytes, or a "line" of data. The
read may be blocking or nonblocking. ap_getline() will be
refactored into apr_brigade_getline(), and then DECHUNK can use
f->next (ap_getline will always read "top of input stack"). Also
fix the bug where request body content will end up closing the
connection (buggering up persistent conns).
Status: Justin is working on this as fast as he can.
The core input filters and HTTP-related filters are
switched to the new logic. At this point, proxy and
ssl remain broken. Preliminary patches for ssl have been
posted to dev@httpd. There are lots of places that made
implementation assumptions about the fact that the core
filter would return the socket. That code is now broken.
- socket bucket and core input filter changes. see end of
message ID (Feb 27): <20010227075326.S2297@lyra.org>
- fix up ap_get_brigade() semantics, fix bug in DECHUNK /
ap_getline. many messages (plus their threads) (Apr/May):
Message-ID: <20010402101207.J27539@lyra.org>
Message-ID: <3AF7F921.D2EEC41A@algroup.co.uk>
Message-ID: <20010508190029.E18404@lyra.org>
- further work with combining/tweaking the builtin filters:
Message-ID: <20010509115445.D1374@lyra.org>
- thoughts on filter modes:
Message-ID: <021b01c14dee$09782af0$93c0b0d0@roweclan.net>
* Fold mod_auth_db features back into mod_auth_dbm, and depricate it.
This can't wait until we have a 2.0-gold release, if folks need
to move over to auth_dbm, we can't do that to them after 2.0 gold.
RELEASE NON-SHOWSTOPPERS BUT WOULD BE REAL NICE TO WRAP THESE UP:
* Allow the DocumentRoot directive within <Location > scopes? This
allows the beloved (crusty) Alias /foo/ /somepath/foo/ followed
by a <Directory /somepath/foo> to become simply
<Location /foo/> DocumentRoot /somefile/foo (IMHO a bit more legible
and in-your-face.) DocumentRoot unset would be accepted [and would
not permit content to be served, only virtual resources such as
server-info or server-status.
This proposed change would _not_ depricate Alias.
* add mod_gz to httpd-2.0 (in modules/experimental/)
+1: Greg, Justin, ben, Ken, Jeff, Bill
0: Cliff (there's now another candidate to be evaluated)
0: Jim (premature decision at present, IMO)
-0: Doug, Ryan
non-binding: Ian (+1)
* daedalus: mod_cgid and suexec have a problem co-existing. suexec
sees a null command string sometimes. The problem happens when
you access bugs.apache.org, then click on the "search the bug db"
button.
* Win32: Rotatelogs sometimes is not terminated when Apache
goes down hard. FirstBill was looking at possibly tracking the
child's-child processes in the parent process.
OtherBill asks, wasn't this fixed?
* Win32: Add a simple hold console open patch (wait for close or
the ESC key, with a nice message) if the server died a bad
death (non-zero exit code) in console mode.
Resolution: bring forward same ugly hacks from 1.3.13-.20
* Port of mod_ssl to Apache 2.0:
The current porting state is summarized in modules/ssl/README. The
remaining work includes:
(1) stablizing/optimizing the SSL filter logic
(2) Enabling the various SSL caching mechanisms (shmcb, shmht)
(3) Enabling SSL extentions
(4) Trying to seperate the https filter logic from mod_ssl -
This is to facilitate other modules that wish to use the https
filter or the mod_ssl logic or both as required.
* Performance: Get the SINGLE_LISTEN_UNSERIALIZED_ACCEPT
optimization working in threaded. prefork's new design for how
to notice data on the pod should be sufficient.
* Performance & Debug: Eliminate most (and perhaps all) of the
malloc/free calls in the bucket brigade code. Need some
light weight memory management functions that allow freeing
memory (putting it back into a memory pool) when it is no
longer needed. Enabling simple debugging features like guard
bands, double free detection, etc. would be cool but certainly
not a hard requirement.
Status: Cliff started to implement this using SMS as has
been discussed at length for months, but since
SMS is not being used anywhere else in the server,
several people expressed the opinion that we should
get rid of it entirely, meaning that the buckets
need their own memory management (free list) functions.
Cliff will implement that this weekend so we at least
have something to look at/compare with.
* Eliminate unnecessary creation of pipes in mod_cgid
* the autoconf setup should be fixed to default to using the
"Apache" layout from config.layout, and each variable settable
in a layout should be overridable on the command line. Plus,
what we do right now just doesn't seem to fully fit into how autoconf
works, eg. AC_PREFIX_DEFAULT issues.
Message-ID: <Pine.BSF.4.20.0104031557420.20876-100000@alive.znep.com>
* Combine log_child and piped_log_spawn. Clean up http_log.c.
Common logging API.
* Document mod_file_cache.
* OS/2: Make mod_status work for spmt_os2 MPM.
* Platforms that do not support fork (primarily Win32 and AS/400)
Architect start-up code that avoids initializing all the modules
in the parent process on platforms that do not support fork.
* Win32: Migrate the MPM over to use APR thread/process calls. This
would eliminate some code in the Win32 branch that essentially
duplicates what is in APR.
* There are still a number of places in the code where we are
losing error status (i.e. throwing away the error returned by a
system call and replacing it with a generic error code)
* Mass vhosting version of suEXEC.
* All DBMs suffer from confusion in support/dbmmanage (perl script) since
the dbmmanage employs the first-matched dbm format. This is not
necessarily the library that Apache was built with. Aught to
rewrite dbmmanage upon installation to bin/ with the proper library
for predictable mod_auth_db/dbm administration.
Status: Mladen Turk has posted several patches and ideas.
Key question, part of htpasswd, or a seperate utility?
prefer htpasswd:
prefer seperate: OtherBill
* use apu_dbm in mod_auth_dbm
Status: Greg +1 (low-priority volunteer)
Justin says: "Seems like this is already there, so should we just
remove the other DBM code in that file? If you want
to use gdbm, or dbm, etc, you should tell apr-util."
Will says: "bs - I may choose the fastest - most efficient native
dbm implementation, for shared proc caches, ssl session
caching, etc, but that has nothing to do with maintaining
a userlist via dbm, which has to remain readable between
builds/machines, etc. The use-multiple database schema
for apr-util would let us do this with just apr, though."
* Integrate mod_dav.
Some additional items remaining:
- case_preserved_filename stuff
(use the new canonical name stuff?)
- find a new home for ap_text(_header)
- is it possible to remove the DAV: namespace stuff from util_xml?
* ap_core_translate() and its use by mod_mmap_static and mod_file_cache
are a bit wonky. The function should probably be exposed as a utility
function (such as ap_translate_url2fs() or ap_validate_fs_url() or
something). Another approach would be a new hook phase after
"translate" which would allow the module to munge what the
translation has decided to do.
Status: Greg +1 (volunteers), Ryan +1
* Explore use of a post-config hook for the code in http_main.c which
calls ap_fixup_virutal_hosts(), ap_fini_vhost_config(), and
ap_sort_hooks() [to reduce the logic in main()]
* read the config tree just once, and process N times (as necessary)
* (possibly) use UUIDs in mod_unique_id and/or mod_usertrack
* (possibly) port the bug fix for PR 6942 (segv when LoadModule is put
into a VirtualHost container) to 2.0.
* shift stuff to mod_core.h
* APR-ize resolver stuff in mod_unique_id (Jeff volunteers)
* callers of ap_run_create_request() should check the return value
for failure (Doug volunteers)
* when prefork bails out due to an initialization error in the detached
process (e.g., mutex init failure), other children (cgid, at least)
are left hanging around
* Win32: Get Apache working on Windows 95/98. The following work
(at least) needs to be done:
- winnt MPM: Fix 95/98 code paths in the winnt MPM. There is some NT
specific code that is still not in NT only code paths
- IOL binds to APR sendfile, implemented with TransmitFile, which
is not available on 95/98.
- Document warning that OSR2 is required (for Crypt functions, in
rand.c, at least.) This could be resolved with an SSL library, or
randomization in APR itself.
- Bring the Win9xConHook.dll from 1.3 into 2.0 (no sense till it
actually works) and add in a splash of Win9x service code.
PRs that have been suspended forever waiting for someone to
put them into 'the next release':
* PR#76: general
missing call to "setlocale();"
Status:
* PR#78: mod_include
Additional status for XBitHack directive
Status:
* PR#362: mod_proxy
Mod_proxy doesn't allow change of error pages
Status:
* PR#370: mod_env
Modified PATH environemnt variable is not passed, instead
system's is used
Status:
* PR#440: mod_proxy
Proxy doesn't deliver documents if not connected
Status:
* PR#534: mod_proxy
proxy converts ~name to %7Ename when name starts with a dot (.)
Status:
* PR#537: mod_access
mod_access syntax allows hosts that should be restricted
Status:
* PR#557: mod_auth-any
~UserHome directories are not honored in absolute pathname
requests (.htaccess)
Status:
* PR#612: mod_proxy
Proxy FTP Authentication Fails
Status:
* PR#623: mod_include
A smarter "Last Modified" value for SSI documents (see PR number 600)
Status:
* PR#628: config
Request of "Options SymLinksIfGroupMatch"
Status:
* PR#700: mod_proxy
Proxy doesn't do links right for OpenVMS files through ftp:
Status:
* PR#759: mod_imap
imap should read <MAP><AREA>*</MAP> too!
Status:
* PR#793: general
RLimitCPU and RLimitMEM don't apply to all children like they should
Status:
* PR#921: suexec
Uses cwd before filling it in, doesn't use syslog
Status:
* PR#922: config
it is useful to allow specifiction that root-owned symlinks
should always be followed
Status:
* PR#980: mod_proxy
Controlling Access to Remote Proxies would be nice...
Status:
* PR#994: mod_proxy
Adding authentication "on the fly" through the proxy module
Status:
* PR#1004: apache-api
request_config field in request_rec is moderately bogus
Status:
* PR#1028: other
DoS attacks involving memory consumption
Status:
* PR#1050: mod_log-any
Logging of virtual server to error_log as well
Status:
* PR#1085: mod_proxy
ProxyRemote make a dead cycle.
Status:
* PR#1117: mod_auth-any
Using NIS passwd.byname dbm files with AuthDBMUserFile
Status:
* PR#1120: suexec
suexec does not parse arguments to #exec cmd
Status:
* PR#1145: mod_include
Allow for Last-Modified: without resorting to XBitHack
Status:
* PR#1158: apache-api
improvements to child spawning API
Status:
* PR#1166: mod_proxy
``nph-'' not honored (no buffering) for ProxyRemote mapping
Status:
* PR#1176: mod_cgi
Apache cannot handle continuation line in headers
Status:
* PR#1191: general
setlogin() is not called, causing problems with e.g. identd
Status:
* PR#1204: general
regerror() exists, use it
Status:
* PR#1233: apache-api
there is no way to keep per-connection per-module state
Status:
* PR#1263: mod_autoexec
Add frame-safe anchor attribute to mod_autoindex links
Status:
* PR#1268: suexec
CGI scripts running as Apache user: security (suexec etc.)
Status:
* PR#1285: suexec
Error messages could be easier to spot in cgi.log file for suexec.c
Status:
* PR#1287: mod_access
add allow,deny/deny,allow warning to mod_access
Status:
* PR#1290: mod_proxy
Need to know "hit-rate" on proxy cache
Status:
* PR#1358: mod_log-any
Selective url-encode of log fields (or maybe a pseudo
log_rewrite module?)
Status:
* PR#1383: mod_headers
I make mod_headers to modify request headers as well as
response ones.
Status:
* PR#1532: mod_proxy
Proxy transfer logging
Status:
* PR#1547: mod_proxy
No HTTP_X_FORWARDED_FOR set...
Status:
* PR#1567: mod_proxy
ProxyRemote proxy requests fail authentication by firewall
Status:
* PR#1582: mod_rewrite
mod_rewrite forms REQUEST_URI different than mod_cgi does
Status:
* PR#1677: mod_headers
mod_headers should allow mod_log_config-style formats in
header values
Status:
* PR#1702: mod_proxy
mod_proxy to support persistent conns?
Status:
* PR#1803: mod_include
patches to mod_include to allow for file tests
Status:
* PR#1809: mod_auth-any
Suggestion for improving authentication modules and core source
code, problem with 401 and ErrorDocument
Status:
* PR#1878: mod_proxy
listing of proxy cache content
Status:
* PR#1905: suexec
Allow modules to set user:group for execution.
Status:
* PR#2024: apache-api
adding auth_why to conn_rec
Status:
* PR#2073: mod_log-any
pipelined connections are not logged correctly
Status:
* PR#2074: mod_rewrite
mod_rewrite doesn't pass Proxy Throughput on internal subrequests
Status:
* PR#2113: config
HTTP Server Rebuild Line Needs Changing for the better
Status:
* PR#2138: mod_status
mod_status always displays 256 possible connection slots
Status:
* PR#2221: documentation
Make online documentation search link back to my installation
Status:
* PR#2284: general
Can not POST to ErrorDocument - Apache/1.3b6
Status:
* PR#2314: mod_proxy
patterns in ProxyRemote
Status:
* PR#2343: mod_status
Status module averages are for entire uptime
Status:
* PR#2360: suexec
suexec for general access of user content?
Status:
* PR#2396: general
Proposal for TimeZone directive
Status:
* PR#2415: mod_info
/server-info doesn't check for the virtual host to list the info
Status:
* PR#2421: config
problem specifying ndbm library for build ?with autoconfigure
Status:
* PR#2431: general
A small addition to rotatelogs.c to improve program functionality.
Status:
* PR#2446: config
AllowOverride FileInfo is too coarse
Status:
* PR#2460: mod_cgi
TimeOut applies to output of CGI scripts
Status:
* PR#2512: mod_access
&lt;IfDenied&gt; directive wanted
Status:
* PR#2573: suexec
CGI's for general use still have to be run as another user
with suExec
Status:
* PR#2648: general
Cache file names in Proxy module
Status:
* PR#2760: config
[PATCH] User/Group for <Directory> and <Location> i.e. not only
in global and <Virtual>.
Status:
* PR#2763: general
mailto tags and bundling bug report script
Status:
* PR#2785: os-aix
Support for System Resource Controller
Status:
* PR#2793: protocol
When will Apache support P3P? Any Plans?
Status:
* PR#2873: config
Feedback/Comment on APACI
Status:
* PR#2889: general
Inclusion of RPM spec file in CVS/distributions
Status:
* PR#2906: general
Propose that Apache recommend $UNIQUE_ID for all "session id"
algorithms
Status:
* PR#2907: config
suggestion: power up your Include directive :)
Status:
* PR#3018: general
cannot limit some HTTP methods
Status:
* PR#3143: apache-api
No module specific data hook for per-connection data
Status:
* PR#3191: mod_negotiation
no way to set global quality-of-source (qs) coneg values
with multiviews
Status:
* PR#3568: mod_proxy
Accessing URL through proxy server corrupts data.
Status:
* PR#3605: mod_proxy
Some anonymous FTP URLs ask for authentication
Status:
* PR#3677: general
New ErrorDocumentMatch directive
Status:
* PR#4241: config
Need to be able to override shebang line to make CGI scripts
more portable.
Status:
* PR#4244: config
"Files" and "FilesMatch" regexp does not recognize bang as
negation operator
Status:
* PR#4448: mod_log-any
Please allow CGI env variables (QUERY_STRING, ...) to be logged
with %{}e
Status:
* PR#4459: mod_include
Suggestion for better handling of Last-modified headers
Status:
* PR#4490: mod_cgi
mod_cgi prevents handling of OPTIONS requests
Status:
* PR#5713: os-windows
[PATCH] install as win32 service with domain account
Status:
* PR#5993: general
AllowOverride should have a 'CheckNone' and 'AllowNone' argument
instead of only 'None'
Status:
Other bugs that need fixing:
* MaxRequestsPerChild measures connections, not requests.
Until someone has a better way, we'll probably just rename it
"MaxConnectionsPerChild".
* Regex containers don't work in an intutive way
Status: No one has come up with an efficient way to fix this
behavior. Dean has suggested getting rid of regex containers
completely.
* SIGSEGV on Linux (glibc 2.1.2) isn't caught properly by a
sigwaiting thread. We need to work around this, perhaps unless
there is hope soon for a fixed glibc.
* orig_ct in the byterange/multipart handling may not be
needed. Apache 1.3 just never stashed "multipart" into
r->content_type. We should probably follow suit since the
byterange stuff doesn't want the rest of the code to see the
multipart content-type; the other code should still think it is
dealing with the <orig_ct> stuff.
Status: Greg volunteers to investigate (esp. since he was most
likely the one to break it :-)
Other features that need writing:
* Finish infrastructure in core for async MPMs
Status: post 2.0
* TODO in source -- just do an egrep on "TODO" and see what's there
Available Patches:
* Jon Travis's <jtravis@covalent.net> patch to deal with thread-safe
issues with inet_ntoa. See message <20001201163220.A12827@covalent.net>
Status: This is being set aside until the IPv6 work is finished
so that we know exactly what is required.
* Martin Sojka <msojka@gmx.de>'s patch to add error reporting for failed
htpasswd actions due to a full /tmp volume (other programs may have
similar problems?)
PR: 6475
Status:
* Mike Abbott's <mja@trudge.engr.sgi.com> patches to improve
performance
Status: These were written for 1.3, and are awaiting a port to
2.0
* Jim Winstead's <jimw@trainedmonkey.com> patch to add CookieDomain and
other small mod_usertrack features
* Dan Rench's <drench@xnet.com> patch to add allow the errmsg and timefmt
of SSI's to be modified in the config file. Patch is available in
PR6193
Open issues:
* Which MPMs will be included with Apache 2.0?
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