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Posted to dev@httpd.apache.org by Rodent of Unusual Size <Ke...@Golux.Com> on 2001/08/02 05:45:08 UTC
[STATUS] (httpd-2.0) Wed Aug 1 23:45:07 EDT 2001
APACHE 2.0 STATUS: -*-text-*-
Last modified at [$Date: 2001/07/31 19:21:50 $]
Release:
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
DAEDALUS 2.0 PROBLEMS:
* mod_cgid and suexec have a problem co-existing. suexec sees a null
command string sometimes.
* core dump from 20010418 running 2_0_16
/usr/local/apache2b/corefiles/httpd.core.2
#0 0x2813a3c8 in kill () from /usr/lib/libc.so.4
#1 0x2817609e in abort () from /usr/lib/libc.so.4
#2 0x8065299 in ap_log_assert (szExp=0x80aaa60 "total_bytes_left > 0 && tmplen > 0", szFile=0x80aa2aa "core.c", nLine=2555)
at log.c:562
#3 0x8075227 in sendfile_it_all (c=0x81470fc, fd=0x814759c, hdtr=0xbfbff670, file_offset=1929216, file_bytes_left=261949,
total_bytes_left=261949, flags=0) at core.c:2555
#4 0x80761e2 in core_output_filter (f=0x814737c, b=0x814764c) at core.c:3172
#5 0x806d227 in ap_pass_brigade (next=0x814737c, bb=0x81e80fc) at util_filter.c:240
#6 0x805e696 in check_pipeline_flush (r=0x820803c) at http_request.c:388
#7 0x805e707 in ap_process_request (r=0x820803c) at http_request.c:432
#8 0x805a1a9 in ap_process_http_connection (c=0x81470fc) at http_core.c:280
#9 0x806bc60 in ap_run_process_connection (c=0x81470fc) at connection.c:82
#10 0x806be84 in ap_process_connection (c=0x81470fc) at connection.c:216
#11 0x805fbba in child_main (child_num_arg=272) at prefork.c:807
#12 0x805fd20 in make_child (s=0x80c64fc, slot=272) at prefork.c:880
#13 0x805ffec in perform_idle_server_maintenance () at prefork.c:1021
#14 0x80603d1 in ap_mpm_run (_pconf=0x80c600c, plog=0x80f300c, s=0x80c64fc) at prefork.c:1191
#15 0x80660cd in main (argc=1, argv=0xbfbffadc) at main.c:425
#16 0x8059bf9 in _start ()
The input data (received in one read from TCP layer):
GET /log4j/jakarta-log4j-1.1b2.zip HTTP/1.0
Via: 1.0 MDRPRXY01, 1.0 NS2
Connection: Keep-Alive
User-Agent: Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0)
Host: jakarta.apache.org
Accept: application/vnd.ms-excel, application/msword, application/vnd.ms-powerpoint, image/gif, image/x-xbitmap, image/jpeg,
image/pjpeg, */*
Accept-Language: en-us,tscii;q=0.5
Referer: http://jakarta.apache.org/log4j/docs/download.html
Accept-Encoding: gzip, deflate
The confusion was because apr_sendfile() returned APR_SUCCESS
but zero bytes sent. Presumably the FreeBSD kernel sendfile()
did the same thing (not 100% sure).
Also happened on 20010605...
/usr/local/apache2b-vhost-trap/corefiles/httpd.core.12
GET /builds/jakarta-turbine/release/2.1/tdk-2.1.zip HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg,
application/vnd.ms-powerpoint, application/vnd.ms-excel,
application/msword, */*
Referer: http://jakarta.apache.org/builds/jakarta-turbine/release/2.1/
Accept-Language: en-gb
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)
Host: jakarta.apache.org
Connection: Keep-Alive
Again, it would seem that FreeBSD sendfile() returned rc 0 with
no bytes sent. (Other eyes welcome, of course... make sure you
look at 2_0_16 sources.)
* core dump from 20010521 and 20010529 running 2_0_16 - the "3030" problem
/usr/local/apache/corefiles/httpd.core.6
#0 0x80987e8 in apr_cvt (arg=1.3980432860952889e-76,
ndigits=808464432, decpt=0x30303030,
sign=0x30303030, eflag=808464432,
buf=0x30303030 <Address 0x30303030 out of bounds>) at apr_snprintf.c:177
#1 0x30303030 in ?? ()
Cannot access memory at address 0x30303030.
In both coredumps the request is /server-status?auto.
It is unclear whether the apr_*printf function was passed bad
data or it screwed up on its own. 0x30 is '0'. There is a
string of 200-300 '0' characters in the dump, apparently
overlaying enough of the stack to cause serious problems :)
RELEASE SHOWSTOPPERS:
WARNING: ALWAYS check srclib/apr/STATUS and srclib/apr-util/STATUS
* 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 AddInputFilter and AddOutputFilter directives do not allow the
administrator to remove or reorder filters. Once a filter is added
in a container, it is present in any subcontainers. It can only be
added to the filter chain after any filters specified in enclosing
containers.
* remove the --disable-shared from the subdir config of APR(UTIL)
before the final release. (in fact, it might even be nice to
allow for Apache config/build against an already-installed
APR(UTIL))
Note: we need to do a "make install" for APR(UTIL) so the shared
libraries can be installed properly. We could also use that
point to install include files (rather than have Apache
know everything that needs to be installed from the
sub-packages). The original impetus for doing the
disable-shared was because the shared lib wasn't getting
installed and a "make clean" in aprutil would make Apache
fail to load.
* ap_vrprintf() needs to handle more than 4K
Status: Greg volunteers
* 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: <20...@lyra.org>
MsgId: <3A...@Golux.Com>
* 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.
RELEASE NON-SHOWSTOPPERS BUT WOULD BE REAL NICE TO WRAP THESE UP:
* 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.
* 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 next
step is to figure out how the old three configuration contexts (global,
per-server, per-directory) can be ported to Apache 2.0 (especially the
global context which has to survive server restarts RSE still does not
know how to port). Then the remaining source files (which depend on the
configuration contexts) which are still tagged with "-" in
modules/ssl/README can be ported.
One more thing to figure out is how and when mod_ssl can provide the
interactive pass phrase dialog (in Apache 1.3 it used the first init
round [where tty was still not detached] and skipped the second init
round [where it was already detached]). Apache 2.0 requires (or already
has?) an official hook where such tty-dialogs can be performed.
RSE is on holiday until June 11th, 2001. After this he starts
working on mod_ssl again and tries to make mod_ssl running inside
Apache 2.0 by end of June. If anyone wants to help making mod_ssl
running in the meantime, feel free to make your hands dirty inside
modules/ssl/. Do whatever you think is appropriate to get it
running. I've no objections of any kind, except: just do not
remove any old functionality. Keep everything, even if it needs
#if 0...endif wrapped to not make trouble for you.
* 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.
* mod_tls is very specific to OpenSSL. Make the API calls
more generic to support other encryption libraries.
* 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, David, et al have discussed using the blocks SMS
for this. First step is to s/malloc/apr_sms_malloc/g, etc.
We could then have a thread-private SMS that is pointed
to by the conn_rec's or something so that all calls to
the bucket create functions can pass in that SMS. No locks
required. Should be fast...
* 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: <Pi...@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.
* use apu_dbm in mod_auth_dbm
Status: Greg +1 (low-priority volunteer)
* 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 should grow version info on all .dll/.so/.exe binaries. Pretty
simple with the right script (awk or perl), we just don't need to grow
dozens of new files in the repository to do so.
Suggested by: Jerker Back <in...@telia.com> PR 7388
* 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#161: mod_dir
Questionable performace of mod_dir() with negotiation
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#573: mod_log-any
More LogFormat directives
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#697: mod_include
A security tweak I've been using for a few years for SSI
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#1156: config
insufficent AllowOverrides granularity for autoindexing
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_dir
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#1574: mod_autoindex
ReadmeName and HeaderName don't allow for server-parsed html.
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#1855: mod_autoindex
More Control over autoindex layout
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
<IfDenied> 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#2772: mod_log-any
more % escapes
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#3026: mod_autoindex
No way to change ReadmeName/HeaderName suffixes.
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#3430: mod_negotiation
Enhancement: MultiViews, Multi-Language Documents
Status:
* PR#3568: mod_proxy
Accessing URL through proxy server corrupts data.
Status:
* PR#3594: os-windows
Please add an Apache icon to the win32 systray instead of a DOS window
Status:
* PR#3605: mod_proxy
Some anonymous FTP URLs ask for authentication
Status:
* PR#3654: mod_autoindex
BORDER=0 makes Icons look nicer (FancyIndexing)
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:
* PR#6347: mod_mime
MIME types for MNG and JNG files need adding to mime.types and
the mime.types and magic files
Status: Waiting for IANA types to be defined
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
Documentation that needs writing:
* Mod_status docs are needed.
* The concept of MPMs, especially if we ship more than one MPM for a
given platform
* New directives in the various MPMs and appropriate links from
obsolete directives in core.html to the MPM documentation.
* Revise manual/stopping.html and the last part of
manual/misc/perf-tuning.html to take account of the MPMs.
* API documentation
Status: Ben Laurie has written some hooks documentation
(apache-2.0/htdocs/hooks.html)
* Changes since 1.3.9 can be more easily seen in the commitlog file
dev.apache.org:/home/cvs/CVSROOT/commitlogs/apache-2.0
which includes some of Roy's comments when the changes were
committed in rough change-sets by purpose. Note that the commitlog
does not show the contents of new files until later.
Available Patches:
* Jon Travis's <jt...@covalent.net> patch to deal with thread-safe
issues with inet_ntoa. See message <20...@covalent.net>
Status: This is being set aside until the IPv6 work is finished
so that we know exactly what is required.
* Martin Sojka <ms...@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 <mj...@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 <ji...@trainedmonkey.com> patch to add CookieDomain and
other small mod_usertrack features
* Dan Rench's <dr...@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:
* What do we do about mod_proxy?
* Which MPMs will be included with Apache 2.0?