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Text File | 1996-07-08 | 43.6 KB | 1,107 lines

Changes with Apache 1.1.1: *) Fixed bug where Redirect in .htaccess files would cause memory leak. [Nathan Neulinger] *) MultiViews now works correctly with AddHandler [Alexei Kosut] *) Problems with mod_auth_msql fixed [Dirk vanGulik] *) Fix mispelling of "Anonymous_Authorative" directive in mod_auth_anon. Changes with Apache 1.1.0: *) Bring NeXT support up to date. [Takaaki Matsumoto] *) Bring QNX support up to date. [Ben Laurie] *) Make virtual hosts default to main server keepalive parameters. [Alexei Kosut, Ben Laurie] *) Allow ScanHTMLTitles to work with lowercase <title> tags. [Alexei Kosut] *) Fix missing address family for connect, also remove unreachable statement in mod_proxy. [Ben Laurie] *) mod_env now turned on by default in Configuration.tmpl. *) Bugs which were fixed: a) yet more mod_proxy bugs [Ben Laurie] b) CGI works again with inetd [Alexei Kosut] c) Leading colons were stripped from passwords [osm@interguide.com] d) Another fix to multi-method Limit problem [jk@tools.de] Changes with Apache 1.1b4: *) r->bytes_sent variable restored. [Robert Thau] *) Previously broken multi-method <Limit> parsing fixed. [Robert Thau] *) More possibly unsecure programs removed from the support directory. *) More mod_auth_msql authentication improvements. *) VirtualHosts based on Host: headers no longer conflict with the Listen directive. *) OS/2 compatibility enhancements. [Gary Smiley] *) POST now allowed to directory index CGI scripts. *) Actions now work with files of the default type. *) Bugs which were fixed: a) more mod_proxy bugs b) early termination of inetd requests c) compile warnings on several systems d) problems when scripts stop reading output early Changes with Apache 1.1b3: *) Much of cgi-bin and all of cgi-src has been removed, due to various security holes found and that we could no longer support them. *) The "Set-Cookie" header is now special-special-cased to not merge multiple instances, since certain popular browsers can not handle multiple Set-Cookie instructions in a single header. *) rprintf() added to buffer code, occurrences of sprintf removed. [Ben Laurie] *) CONNECT method for proxy module, which means tunneling SSL should work. (No crypto needed) Also a NoCache config directive. *) Several API additions: pstrndup(), table_unset() and get_token() functions now available to modules. *) mod_imap fixups, in particular Location: headers are now complete URL's. *) New "info" module which reports on installed module set through a special URL, a la mod_status. *) "ServerPath" directive added - allows for graceful transition for Host:-header-based virtual hosts. *) Anonymous authentication module improvements. *) MSQL authentication module improvements. *) Status module design improved - output now table-based. [Ben Laurie] *) htdigest utility included for use with digest authentication module. *) mod_negotiation: Accept values with wildcards to be treated with less priority than those without wildcards at the same quality value. [Alexei Kosut] *) Bugs which were fixed: a) numerous mod_proxy bugs b) CGI early-termination bug [Ben Laurie] c) Keepalives not working with virtual hosts d) RefererIgnore problems e) closing fd's twice in mod_include (causing core dumps on Linux and elsewhere). Changes with Apache 1.1b2. *) Bugfixes: a) core dumps in mod_digest b) truncated hostnames/ip address in the logs c) relative URL's in mod_imap map files Changes with Apache 1.1b1. Also see http://www.apache.org/docs/1.1/ *) Add new <Location> directive, similar to <Directory>, but protects URLs instead of directories. [Alexei Kosut] *) Allow ErrorDocument directive to also be used from .htaccess files. This is enabled/disabled by using the FileInfo flag with AllowOverrides [Mark Cox] *) Add AddHandler command, which allows content-type-independent "handlers" to be defined for file extensions. These can be either built into Apache (such as CGI scripts or server-side includes, or added with the Action command). [Alexei Kosut] *) Added new Explain() function, intended to help trace execution. Currently only used in mod_proxy.c (and there not yet complete). Switch it on with -DEXPLAIN. See explain.h. [Ben Laurie] *) Added two new directives to proxy module, CacheDirLevels and CacheDirLength. Values of 3 and 2 respectively will result in files like aa/bb/cc/dddddd in the cache. [Ben Laurie] *) Modify <VirtualHost> directive to work without the system supporting multiple IP addresses. It can now take advantage of the Host: header sent by some (but not all) new web browsers (e.g. Netscape 2.0). Those that do not support it will get the default documents. More names or name patters can be added using the ScriptAlias directive, e.g. "ScriptAlias foo.bar.net *.foo.com foo.com" [Alexei Kosut] *) Added Status module with preliminary documentation available http://www.apache.org/docs/1.1/mod_status.html [Mark Cox] *) Added simple and complex instrumentation to Apache to allow a instantaneous status screen to be displayed. Since the complex instrumentation makes the scoreboard file bigger it has been made a compile-time define (add "-DSTATUS" to CFLAGS in the Configuration file) [Mark Cox] *) Made it so XBITHACK behavior only occurs for files of type text/html, as any other file type doesn't really make sense. [Alexei Kosut] *) Slightly modified the API to allow handlers by things other than content type. Setting r->handler will override r->content_type in invoke_handler(). [Alexei Kosut] *) Added FLOCK_SERIALIZED_ACCEPT for those systems, like A/UX, that need mutex-capability but using fcntl-locking is expensive. [Jim Jagielski] *) Added in Cliff Skolnick's read_client_block patch (check for no reads and break) [Jim Jagielski] *) If there was no default MIME type defined, Apache sent Content-type: without a newline, thus swallowing the next header. Changed to send no Content-type: at all. [Ben Laurie] *) Long overdue revamp of the Cookies module to stop Apache cookies colliding with other cookies a site may be using. Cookies are now always generated for every browser, not just Netscape (and clones) and the cookie log can be a pipe just like the other logs [Mark Cox] *) Add HAVE_MMAP to SCO 5. [Ben Laurie] *) SCO 5 reportedly (by Jay Thorne <jay@result.com>) requires FCNTL_SERIALIZED_ACCEPT. Added to conf.h. [Ben Laurie] *) Clear up some nasty (int)NULLs. [Ben Laurie] *) Clean code to warning level 3 under SCO 5. [Ben Laurie] *) Fix potential buffer overrun in mod_proxy.c. [Ben Laurie] *) Internal redirects now preserve HTTP headers [Rob Hartil] *) Adds SysV-based Shared Memory support for Apache [Jim Jagielski] *) Use bread() etc instead of fread() for reading/writing to client. Move the count of bytes sent into the buffering routines. Rewrite the buffering routines to provide bputc(), bgetc() macros. [David Robinson] *) Make hostname_lookups a per-directory core configuration variable. Replace all accesses to the connection.remote_host and remote_name variables to calls to get_remote_host(), which is now in http_core.c. [David Robinson] *) Make do_rfc1413 a per-directory core configuration variable. Replace all accesses to the connection.remote_logname variables to calls to get_remote_logname(). Rewrite rfc931.c as rfc1413.c to conform to new standard, avoid stdio and avoid syslog. [David Robinson] *) CGI variables are now available to server side include directives as well as the QUERY_STRING_UNESCAPED variable, as required by the NCSA server side include documentation. [Nathan Schrenk] *) Better diagnostic info to enhance "malformed header from script" [Rob Hartill] *) Improvements and new features added to the UserDir directive: Additional forms of specifiying user directories, and the ability to specify multiple user directories, much like the DirectoryIndex command. [Alexei Kosut] *) Internal redirects no longer force the GET method, except when desired (CGI scripts and error documents). [Adam Sussman and Rasmus Lerdorf] *) Rewrite/reorganization of mod_imap.c. New handling of default, base and relative URLs. New Configuration directives. Support for creating non-graphical menu added. (backwards compatible). [Nathan Kurz] *) New module which allows Apache's CGI and SSI environment to inherit environment variables from the shell which invoked the httpd process. CERN webservers are able to do this, so this module is especially useful to webadmins who wish to migrate from CERN to Apache without rewriting all their scripts [Andrew Wilson] *) Updated /cgi-src to the latest NCSA version, including the IBM-ERS patch to close a security hole, as well as other changes to the distribution since it was last updated (Apache 0.8.5) [Alexei Kosut] *) Move Configuration to Configuration.tmpl for CVS development. Make CVS ignore Configuration, Makefile and modules.c. [Ben Laurie] Changes with Apache 1.1b0 *) Use shmget() (and family) for shared memory for the scoreboard for SysV-based systems; basically A/UX and IRIX. Allow for memory break-point (brk(0)) to be moved if need be before attaching the mem segment. [Jim Jagielski] *) Use mmap() to allocated shared memory for the scoreboard on Solaris, SunOS, Digital UNIX, BSDI and HP/UX. It should work on most of the other architectures. [David Robinson] *) Cache the contents of .htaccess file for the duration of a request. [David Robinson] *) Avoid use of strftime() whilst processing request. [David Robinson] *) Add the ability to have media type-based CGI script actions, as well as an example and relevent srm.conf entries. [Alexei Kosut] *) Update to the icon set, and apache_pb (Powered by Apache!) logo added [Alexei Kosut] *) Added an extra variable for use in mod_include: FILE_OWNER which contains the owner of the file. [Nick Williams] *) Adds support for Keep-Alive persistent connections, as defined in the HTTP/1.1 draft and implemented by several existing browsers and servers. [Alexei Kosut and Rob Hartill] *) "HostnameLookups" is a new httpd.conf setting (on/off) to make obsolete -DMINIMAL_DNS and enable name lookups to be switched on/off without recompiling Apache. [Rob Hartill] *) Allows Redirect entries in .htaccess files, allowing users to add their own redirects without using CGI scripts, asis files, or access to the main server conf file. [Alexei Kosut] *) Scoreboard monitor program (C version) in support/ directory [Jim Jagielski] *) A module to implement a caching HTTP and FTP proxy server [David Robinson] *) Adds OS/2 support [Garey Smiley] *) Add Listen directive, causing Apache to bind to the address and port specified. Allow <VirtualHost *>, <VirtualHost *:port>, VirtualHost addr:*> syntaxes [David Robinson] *) Allow anonymous HTTP logins [Dirk van Gulik] *) Authentication using Berkeley DB [Andrew Cohen] *) Authentication using mSQL [Dirk van Gulik] *) Emulate the CERN HTTPD metafile semantics, allowing the ability to manipulate HTTP headers for individual files. [Andrew Wilson[ Changes with Apache 1.0.3 *) Internal redirects which occur in mod_dir.c now preserve the query portion of a request (the bit after the question mark). [Adam Sussman] *) Escape active characters '<', '>' and '&' in html output in directory listings, error messages and redirection links. [David Robinson] *) Apache will now work with LynxOS 2.3 and later [Steven Watt] *) Fix for POSIX compliance in waiting for processes in alloc.c. [Nick Williams] *) setsockopt no longer takes a const declared argument [Martijn Koster] *) Reset timeout timer after each successful fwrite() to the network. This patch adds a reset_timeout() procedure that is called by send_fd() to reset the timeout ever time data is written to the net. [Nathan Schrenk] *) timeout() signal handler now checks for SIGPIPE and reports lost connections in a more user friendly way. [Rob Hartill] *) Location of the "scoreboard" file which used to live in /tmp is now configurable (for OSes that can't use mmap) via ScoreBoardFile which works similar to PidFile (in httpd.conf) [Rob Hartill] *) Include sys/resource.h in the correct place for SunOS4 [Samerr Parekh] *) the pstrcat call in mod_cookies.c didn't have an ending NULL, which caused a SEGV with cookies enabled *) Output warning when MinSpareServers is set to <= 0 and change it to 1 [Rob Hartill] *) Log the UNIX textual error returned by some system calls, in particular errors from accept() [David Robinson] *) Add strerror function to util.c for SunOS4 [Randy Terbush] Changes with Apache 1.0.2 *) patch to get Apache compiled on UnixWare 2.x, recommended as a temporary measure, pending rewrite of rfc931.c. [Chuck Murcko] *) Fix get_basic_auth_pw() to set the auth_type of the request. [David Robinson] *) past changes to http_config.c to only use the setrlimit function on systems defining RLIMIT_NOFILE broke the feature on SUNOS4. Now defines HAVE_RESOURCE for SUNOS and prototypes the needed functions. *) Remove uses of MAX_STRING_LEN/HUGE_STRING_LEN from several routines. [David Robinson] *) Fix use of pointer to scratch memory. [Cliff Skolnick] *) Merge multiple headers from CGI scripts instead of taking last one. [David Robinson] *) Add support for SCO 5. [Ben Laurie] Changes with Apache 1.0.1 *) Silence mod_log_referer and mod_log_agent if not configured [Randy Terbush] *) Recursive includes can occur if the client supplies PATH_INFO data and the server provider uses relative links; as file.html relative to /doc.shtml/pathinfo is /doc.shtml/file.html. [David Robinson] *) The replacement for initgroups() did not call {set,end}grent(). This had two implications: if anything else used getgrent(), then initgroups() would fail, and it was consuming a file descriptor. [Ben Laurie] *) On heavily loaded servers it was possible for the scoreboard to get out of sync with reality, as a result of a race condition. The observed symptoms are far more Apaches running than should be, and heavy system loads, generally followed by catastrophic system failure. [Ben Laurie] *) Fix typo in licence. [David Robinson] Changes with Apache 1.0.0 *) 'dbmmanage' script now takes fourth command-line argument, which is group(s) of the user, if given. [Rob Hartill] *) httpd_monitor Perl utility script added to "support" directory; lets you know what your active server processes are up to. [Known to work on SunOS and HP-UX at least]. [Rob Hartill] *) Passes TZ environment variable to child processes if set on startup [ David Robinson ] *) Attempting to retrieve the URI /foo/bar/zot.map (an imagemap request with *no* QUERY_STRING) returns the default URL, rather than a core dump. [Mark Cox] *) Attempting to configure auth without any "requires" lines should now be equivalent to "require valid-user", rather than a core dump. [Patch supplied by J. Katzman] *) Getparents() routine fixed to handle some awkward corner cases better; in particular, '/./' is eliminated from incoming URIs. Also fixed the no2slash() utility routine to reduce any number of consecutive slashes to one. These changes keep "trick" URIs from avoiding <Directory> checks. [David Robinson] *) Allowed any number of '/' characters to match a single '/' when checking for Aliases; this keeps certain ScriptAlias directives from getting bypassed. [Robert Thau] *) DBM group code now checks all groups, not just the first [Rob Hartill] *) "allow from good.com" no longer allows clients from nogood.com to connect; formerly this was allowed because the terminal substrings do match. [Robert Thau] *) Transactions interrupted in the middle of processing some include directive are now logged correctly [Robert Thau] *) Cleaned up Configure script so it doesn't abuse EXTRA_LIBS to specify host-specific default libraries. [Ben Laurie] *) Cleaned up http_main code a bit; IdentityCheck may now work better on systems with virtual hosts. [David Robinson] *) Improved installation instructions in top-level README [Brian Behlendorf] Changes with Apache 0.8.16 *) New man page for 'httpd' added to support directory [David Robinson] *) .htgroup files can have more than one line giving members for a given group (each must have the group name in front), for NCSA back-compatibility [Robert Thau] *) Mutual exclusion around accept() is on by default for SVR4 systems generally, since they generally can't handle multiple processes in accept() on the same socket. This should cure flaky behavior on a lot of those systems. [David Robinson] *) AddType, AddEncoding, and AddLanguage directives take multiple extensions on a single command line [David Robinson] *) UserDir can be disabled for a given virtual host by saying "UserDir disabled" in the <VirtualHost> section --- it was a bug that this didn't work. [David Robinson] *) Compiles on QNX [Ben Laurie] *) Corrected parsing of ctime time format [David Robinson] *) httpd does a perror() before exiting if it can't log its pid to the PidFile, to make diagnosing the error a bit easier. [David Robinson] *)  can no longer include files in the parent directory, for NCSA back-compatibility. [David Robinson] *) '~' is *not* escaped in URIs generated for directory listings [Roy Fielding] *) Eliminated compiler warning in the imagemap module [Randy Terbush] *) Fixed bug involving handling URIs with escaped %-characters in redirects [David Robinson] Changes with Apache 0.8.15 *) Switched to new, simpler license *) Eliminated core dumps with improperly formatted DBM group files [Mark Cox] *) Don't allow requests for ordinary files to have PATH_INFO [Ben Laurie] *) Reject paths containing %-escaped '%' or null characters [David Robinson] *) Correctly handles internal redirects to files with names containing '%' [David Robinson] *) Repunctuated some error messages [Aram Mirzadeh, Andrew Wilson] *) Use geteuid() rather than getuid() to see if we have root privilege, so that server correctly resets privilege if run setuid root. [Andrew Wilson] *) Handle ftp: and telnet: URLs correctly in imagemaps (built-in module) [Randy Terbush] *) Fix relative URLs in imagemap files [Randy Terbush] *) Somewhat better fix for the old "Alias /foo/ /bar/" business [David Robinson] *) Don't repeatedly open the ErrorLog if a bunch of <VirtualHost> entries all name the same one. [David Robinson] *) Fix directory listings with filenames containing unusual characters [David Robinson] *) Better URI-escaping for generated URIs in directories with filenames containing unusual characters [Ben Laurie] *) Fixed potential FILE* leak in http_main.c [Ben Laurie] *) Unblock alarms on error return from spawn_child() [David Robinson] *) Sample Config files have extra note for SCO users [Ben Laurie] *) Configuration has note for HP-UX users [Rob Hartill] *) Eliminated some bogus Linux-only #defines in conf.h [Aram Mirzadeh] *) Nuked bogus #define in httpd.h [David Robinson] *) Better test for whether a system has setrlimit() [David Robinson] *) Calls update_child_status() after reopen_scoreboard() [David Robinson] *) Doesn't send itself SIGHUP on startup when run in the -X debug-only mode [Ben Laurie] Changes with Apache 0.8.14 *) Compiles on SCO ODT 3.0 [Ben Laurie] *) AddDescription works (better) [Ben Laurie] *) Leaves an intelligible error diagnostic when it can't set group privileges on standalone startup [Andrew Wilson] *) Compiles on NeXT again --- the 0.8.13 RLIMIT patch was failing on that machine, which claims to be BSD but does not support RLIMIT. [Randy Terbush] *) gcc -Wall no longer complains about an unused variable when util.c is compiled with -DMINIMAL_DNS [Andrew Wilson] *) Nuked another compiler warning for -Wall on Linux [Aram Mirzadeh] Changes with Apache 0.8.13 *) Make IndexIgnore *work* (ooops) [Jarkko Torppa] *) Have built-in imagemap code recognize & honor Point directive [James Cloos] *) Generate cleaner directory listings in directories with a mix of long and short filenames [Rob Hartill] *) Properly initialize dynamically loaded modules [Royston Shufflebotham] *) Properly default ServerName for virtual servers [Robert Thau] *) Rationalize handling of BSD in conf.h and elsewhere [Randy Terbush, Paul Richards and a cast of thousands...] *) On self-identified BSD systems (we don't try to guess any more), allocate a few extra file descriptors per virtual host with setrlimit, if we can, to avoid running out. [Randy Terbush] *) Write 22-character lock file name into buffer with enough space on startup [Konstantin Olchanski] *) Use archaic setpgrp() interface on NeXT, which requires it [Brian Pinkerton] *) Suppress -Wall warning by casting const away in util.c [Aram Mirzadeh] *) Suppress -Wall warning by initializing variable in negotation code [Tobias Weingartner] Changes with Apache 0.8.12 *) Doesn't pause three seconds after including a CGI script which is too slow to die off (this is done by not even trying to kill off subprocesses, including the SIGTERM/pause/SIGKILL routine, until after the entire document has been processed). [Robert Thau] *) Doesn't do SSI if Options Includes is off. (Ooops). [David Robinson] *) Options IncludesNoExec allows inclusion of at least text/* [Roy Fielding] *) Allows .htaccess files to override <Directory> sections naming the same directory [David Robinson] *) Removed an efficiency hack in sub_req_lookup_uri which was causing certain extremely marginal cases (e.g., ScriptAlias of a *particular* index.html file) to fail. [David Robinson] *) Doesn't log an error when the requested URI requires authentication, but no auth header line was supplied by the client; this is a normal condition (the client doesn't no auth is needed here yet). [Robert Thau] *) Behaves more sanely when the name server loses its mind [Sean Welch] *) RFC931 code compiles cleanly on old BSDI releases [Randy Terbush] *) RFC931 code no longer passes out name of prior clients on current requests if the current request came from a server that doesn't do RFC931. [David Robinson] *) Configuration script accepts "Module" lines with trailing whitespace. [Robert Thau] *) Cleaned up compiler warning from mod_access.c [Robert Thau] *) Cleaned up comments in mod_cgi.c [Robert Thau] Changes with Apache 0.8.11 *) Wildcard <Directory> specifications work. [Robert Thau] *) Doesn't loop for buggy CGI on Solaris [Cliff Skolnick] *) Symlink checks (FollowSymLinks off, or SymLinkIfOwnerMatch) always check the file being requested itself, in addition to the directories leading up to it. [Robert Thau] *) Logs access failures due to symlink checks or invalid client address in the error log [Roy Fielding, Robert Thau] *) Symlink checks deal correctly with systems where lstat of "/path/to/some/link/" follows the link. [Thau, Fielding] *) Doesn't reset DirectoryIndex to 'index.html' when other directory options are set in a .htaccess file. [Robert Thau] *) Clarifed init code and nuked bogus warning in mod_access.c [Florent Guillaume] *) Corrected several directives in sample srm.conf --- includes corrections to directory indexing icon-related directives (using unknown.gif rather than unknown.xbm as the DefaultIcon, doing icons for encodings right, and turning on AddEncoding by default). [Roy Fielding] *) Corrected descriptions of args to AddIcon and AddAlt in command table [James Cloos] *) INSTALL & README mention "contributed modules" directory [Brian Behlendorf] *) Fixed English in the license language... "for for" --> "for". [Roy Fielding] *) Fixed ScriptAlias/Alias interaction by moving ScriptAlias handling to mod_alias.c, merging it almost completely with handling of Alias, and adding a 'notes' field to the request_rec which allows the CGI module to discover whether the Alias module has put this request through ScriptAlias (which it needs to know for back-combatibility, as the old NCSA code did not check Options ExecCGI in ScriptAliased directories). [Robert Thau] Changes with Apache 0.8.10 *) AllowOverride applies to the named directory, and not just subdirectories. [David Robinson] *) Do locking for accept() exclusion (on systems that need it) using a special file created for the purpose in /usr/tmp, and not the error log; using the error log causes real problems if it's NFS-mounted; this is known to be the cause of a whole lot of "server hang" problems with Solaris. [David Robinson; thanks to Merten Schumann for help diagnosing the problem]. Changes with Apache 0.8.9 *) Compiles with -DMAXIMUM_DNS ---- ooops! [Henrik Mortensen] *) Nested includes see environment variables of the including document, for NCSA bug-compatibility (some sites have standard footer includes which try to print out the last-modified date). [Eric Hagberg/Robert Thau] *)  always treats the item named by the URI as a CGI script, even if it would have been treated as something else if requested directly, for NCSA back-combatibility. (Note that this means that people who know the name of the script can see the code just by asking for it). [Robert Thau] *) New version of dbmmanage script included in support directory as dbmmanage.new. *) Check if scoreboard file couldn't be opened, and say so, rather then going insane [David Robinson] *) POST to CGI works on A/UX [Jim Jaglieski] *) AddIcon and AddAlt commands work properly [Rob Hartill] *) NCSA server push works properly --- the Arena bug compatibility workaround, which broke it, is gone (use -DARENA_BUG_WORKAROUND if you still want the workaround). [Rob Hartill] *) If client didn't submit any Accept-encodings, ignore encodings in content negotiation. (NB this will all have to be reworked anyway for the new HTTP draft). [Florent Guillaume] *) Don't dump core when trying to log timed-out requests [Jim Jaglieski] *) Really honor CacheNegotiatedDocs [Florent Guillaume] *) Give Redirect priority over Alias, for NCSA bug compatibility [David Robinson] *) Correctly set PATH_TRANSLATED in all cases from , paralleling earlier bug fix for CGI [David Robinson] *) If DBM auth is improperly configured, report a server error and don't dump core. *) Deleted FCNTL_SERIALIZED_ACCEPTS from conf.h entry for A/UX; it seems to work well enough without it (even in a 10 hits/sec workout), and the overhead for the locking under A/UX is alarmingly high (though it is very low on other systems). [Eric Hagberg] *) Fixed portability problems with mod_cookies.c [Cliff Skolnick] *) Further de-Berklize mod_cookies.c; change the bogus #include. [Brian Behlendorf/Eric Hagberg] *) More improvements to default Configuration for A/UX [Jim Jaglieski] *) Compiles clean on NEXT [Rob Hartill] *) Compiles clean on SGI [Robert Thau] Changes with Apache 0.8.8 *) SunOS library prototypes now never included unless explicitly requested in the configuration (via -DSUNOS_LIB_PROTOTYPES); people using GNU libc on SunOS are screwed by prototypes for the standard library. (Those who wish to compile clean with gcc -Wall on a standard SunOS setup need the prototypes, and may obtain them using -DSUNOS_LIB_PROTOTYPES. Those wishing to use -Wall on a system with nonstandard libraries are presumably competent to make their own arrangements). *) Strips trailing '/' characters off both args to the Alias command, to make 'Alias /foo/ /bar/' work. Changes with Apache 0.8.7 *) Don't hang when restarting with a child from 'TransferLog "|..."' running [reported by David Robinson] *) Compiles clean on OSF/1 [David Robinson] *) Added some of the more recent significant changes (AddLanguage stuff, experimental LogFormat support) to CHANGES file in distribution root directory Changes with Apache 0.8.6 *) Deleted Netscape reload workaround --- it's in violation of HTTP specs. (If you actually wanted a conditional GET which bypassed the cache, you couldn't get it). [Reported by Roy Fielding] *) Properly terminate headers on '304 Not Modified' replies to conditional GETs --- no browser we can find cares much, but the CERN proxy chokes. [Reported by Cliff Skolnick; fix discovered independently by Rob Hartill] *) httpd -v doesn't call itself "Shambhala". [Reported by Chuck Murcko] *) SunOS lib-function prototypes in conf.h conditionalized on __GNUC__, not __SUNPRO_C (they're needed to quiet gcc -Wall, but acc chokes on 'em, and older versions don't set the __SUNPRO_C preprocessor variable). On all other systems, these are never used anyway. [Reported by Mark Cox]. *) Scoreboard file (/tmp/htstatus.*) no longer publically writable. Changes with Apache 0.8.5 *) Added last-minute configurable log experiment, as optional module *) Correctly set r->bytes_sent for HTTP/0.9 requests, so they get logged properly. (One-line fix to http_protocol.c). *) Work around bogus behavior when reloading from Netscape. It's Netscape's bug --- for some reason they expect a request with If-modified-since: to not function as a conditional GET if it also comes with Pragma: no-cache, which is way out of line with the HTTP spec (according to Roy Fielding, the redactor). *) Added parameter to set maximum number of server processes. *) Added patches to make it work on A/UX. A/UX is *weird*. [Eric Hagberg] *) IdentityCheck bugfix [Chuck Murcko]. *) Corrected cgi-src/Makefile entry for new imagemap script. [Alexei Kosut] *) More sample config file corrections; add extension to AddType for *.asis, move AddType generic description to its proper place, and fix miscellaneous typos. [ Alexei Kosut ] *) Deleted the *other* reference to the regents from the Berkeley legal disclaimer (everyplace). *) Nuked Shambhala name from src/README; had already cleaned it out of everywhere else. Changes with Apache 0.8.4 *) Changes to server-pool management parms --- renamed current StartServers to MinSpareServers, created separate StartServers parameter which means what it says, and renamed MaxServers to MaxSpareServers (though the old name still works, for NCSA 1.4 back-combatibility). The old names were generally regarded as too confusing. Also altered "docs" in sample config files. *) More improvements to default config files --- sample directives (commented out) for XBitHack, BindAddress, CacheNegotiatedDocs, VirtualHost; decent set of AddLanguage defaults, AddTypes for send-as-is and imagemap magic types, and improvements to samples for DirectoryIndex [Alexei Kosut] *) Yet more improvements to default config files --- changes to Alexei's sample AddLanguage directives, and sample LanguagePriority [ Florent Guillaume ] *) Set config file locations properly if not set in httpd.conf [ David Robinson ] *) Don't escape URIs in internal redirects multiple times; don't do that when translating PATH_INFO to PATH_TRANSLATED either. [ David Robinson ] *) Corrected spelling of "Required" in 401 error reports [Andrew Wilson] Changes with Apache 0.8.3 *) Edited distribution README to *briefly* summarize installation procedures, and give a pointer to the INSTALL file in the src/ directory. *) Upgraded imagemap script in cgi-bin to 1.8 version from more recent NCSA distributions. *) Bug fix to previous bug fix --- if .htaccess file and <Directory> exist for the same directory, use both and don't segfault. [Reported by David Robinson] *) Proper makefile dependencies [David Robinson] *) Note (re)starts in error log --- reported by Rob Hartill. *) Only call no2slash() after get_path_info() has been done, to preserve multiple slashes in the PATH_INFO [NCSA compatibility, reported by Andrew Wilson, though this one is probably a real bug] *) Fixed mod_imap.c --- relative paths with base_uri referer don't dump core when Referer is not supplied. [Randy Terbush] *) Lightly edited sample config files to refer people to our documentation instead of NCSA's, and to list Rob McCool as *original* author (also deleted his old, and no doubt non-functional email address). Would be nice to have examples of new features... Changes with Apache 0.8.2 *) Added AddLanuage code [Florent Guillaume] *) Don't say "access forbidden" when a CGI script is not found. [Mark Cox] *) All sorts of problems when MultiViews finds a directory. It would be nice if mod_dir.c was robust enough to handle that, but for now, just punt. [reported by Brian Behlendorf] *) Wait for all children on restart, to make sure that the old socket is gone and we can reopen it. [reported by Randy Terbush] *) Imagemap module is enabled in default Configuration *) RefererLog and UserAgentLog modules properly default the logfile [Randy Terbush] *) Mark Cox's mod_cookies added to the distribution as an optional module (commented out in the default Configuration, and noted as an experiment, along with mod_dld). [Mark Cox] *) Compiles on Ultrix (a continuing battle...). [Robert Thau] *) Fixed nasty bug in SIGTERM handling [reported by Randy Terbush] *) Changed "Shambhala" to "Apache" in API docs. [Robert Thau] *) Added new, toothier legal disclaimer. [Robert Thau; copied from BSD license] Changes with Apache 0.8.1 *) New imagemap module [Randy Terbush] *) Replacement referer log module with NCSA-compatible RefererIgnore [Matthew Gray again] *) Don't mung directory listings with very long filenames. [Florent Guillaume] Changes with Apache 0.8.0 (nee Shambhala 0.6.2): *) New config script. See INSTALL for info. [Robert Thau] *) Scoreboard mechanism for regulating the number of extant server processes. MaxServers and StartServers defaults are the same as for NCSA, but the meanings are slightly different. (Actually, I should probably lower the MaxServers default to 10). Before asking for a new connection, each server process checks the number of other servers which are also waiting for a connection. If there are more than MaxServers, it quietly dies off. Conversely, every second, the root, or caretaker, process looks to see how many servers are waiting for a new connection; if there are fewer than StartServers, it starts a new one. This does not depend on the number of server processes already extant. The accounting is arranged through a "scoreboard" file, named /tmp/htstatus.*, on which each process has an independant file descriptor (they need to seek without interference). The end effect is that MaxServers is the maximum number of servers on an *inactive* server machine, but more will be forked off to handle unusually heavy loads (or unusually slow clients); these will die off when they are no longer needed --- without reverting to the overhead of full forking operation. There is a hard maximum of 150 server processes compiled in, largely to avoid forking out of control and dragging the machine down. (This is arguably too high). In my server endurance tests, this mechanism did not appear to impose any significant overhead, even after I forced it to put the scoreboard file on a normal filesystem (which might have more overhead than tmpfs). [Robert Thau] *) Set HTTP_FOO variables for SSI s, not just CGI scripts. [Cliff Skolnick] *) Read .htaccess files even in directory with <Directory> section. (Former incompatibility noted on mailing list, now fixed). [Robert Thau] *) "HEAD /" gives the client a "Bad Request" error message, rather than trying to send no body *and* no headers. [Cliff Skolnick]. *) Don't produce double error reports for some very obscure cases mainly involving auth configuration (the "all modules decline to handle" case which is a sure sign of a server bug in most cases, but also happens when authentication is badly misconfigured). [Robert Thau] *) Moved FCNTL_SERIALIZED_ACCEPT defines into conf.h (that's what it's *for*, and this sort of thing really shouldn't be cluttering up the Makefile). [Robert Thau] *) Incidental code cleanups in http_main.c --- stop dragging sa_client around; just declare it where used. [Robert Thau] *) Another acc-related fix. (It doesn't like const char in some places...). [Mark Cox] Changes with 0.6.1 *) Fixed auth_name-related typos in http_core.c [Brian Behlendorf] Also, fixed auth typo in http_protocol.c unmasked by this fix. *) Compiles clean with acc on SunOS [Paul Sutton] *) Reordered modules in modules.c so that Redirect takes priority over ScriptAlias, for NCSA bug-compatibility [Rob Hartill] --- believe it or not, he has an actual site with a ScriptAlias and a Redirect declared for the *exact same directory*. Even *my* compatibility fetish wouldn't motivate me to fix this if the fix required any effort, but it doesn't, so what the hey. *) Fixed to properly default several server_rec fields for virtual servers from the corresponding fields in the main server_rec. [Cliff Skolnick --- 'port' was a particular irritant]. *) No longer kills off nph- child processes before they are finished sending output. [Matthew Gray] Changes with 0.6.0 *) Two styles of timeout --- hard and soft. soft_timeout()s just put the connection to the client in an "aborted" state, but otherwise allow whatever handlers are running to clean up. hard_timeout()s abort the request in progress completely; anything not tied to some resource pool cleanup will leak. They're still around because I haven't yet come up with a more elegant way of handling timeouts when talking to something that isn't the client. The default_handler and the dir_handler now use soft timeouts, largely so I can test the feature. [Robert Thau] *) TransferLog "| my_postprocessor ..." seems to be there. Note that the case of log handlers dying prematurely is probably handled VERY gracelessly at this point, and if the logger stops reading input, the server will hang. (It is known to correctly restart the logging process on server restart; this is (should be!) going through the same SIGTERM/pause/SIGKILL routine used to ding an errant CGI script). [Robert Thau] *) asis files supported (new module). [Robert Thau] *) IdentityCheck code is compiled in, but has not been tested. (I don't know anyone who runs identd). [Robert Thau] *) PATH_INFO and PATH_TRANSLATED are not set unless some real PATH_INFO came in with the request, for NCSA bug-compatibility. [Robert Thau] *) Don't leak the DIR * on HEAD request for a directory. [Robert Thau] *) Deleted the block_alarms() stuff from dbm_auth; no longer necessary, as timeouts are not in scope. [Robert Thau] *) quoted-string args in config files now handled correctly (doesn't drop the last character). [Robert Thau; reported by Randy Terbush] *) Fixed silly typo in http_main.c which was suddenly fatal in HP-UX. How the hell did it ever work? [Robert Thau; reported by Rob Hartill] *) mod_core.c --- default_type returns DEFAULT_TYPE (the compile-time default default type); the former default default behavior when all type-checkers defaulted had been a core dump. [Paul Sutton] *) Copy filenames out of the struct dirent when indexing directories. (On Linux, readdir() returns a pointer to the same memory area every time). Fix is in mod_dir.c. [Paul Sutton] Changes with 0.5.3 [not released] *) Default response handler notes "file not found" in the error log, if the file was not found. [Cliff Skolnick]. *) Another Cliff bug --- "GET /~user" now properly redirects (the userdir code no longer sets up bogus PATH_INFO which fakes out the directory handler). [Cliff Skolnick] Changes with 0.5.2 *) Changes to http_main.c --- root server no longer plays silly games with SIGCHLD, and so now detects and replaces dying children. Child processes just die on SIGTERM, without taking the whole process group with them. Potential problem --- if any child process refuses to die, we hang in restart. MaxRequestsPerChild may still not work, but it certainly works better than it did before this! [Robert Thau] *) mod_dir.c bug fixes: ReadmeName and HeaderName work (or work better, at least); over-long description lines properly terminated. [Mark Cox] *) http_request.c now calls unescape_url() more places where it should [Paul Sutton]. *) More directory handling bugs (reported by Cox) Parent Directory link is now set correctly. [Robert Thau] Changes with 0.5.1: [Hopefully complete] *) Generalized cleanup interface in alloc.c --- any function can be registered with alloc.c as a cleanup for a resource pool; tracking of files and file descriptors has been reimplemented in terms of this interface, so I can give it some sort of a test. [Robert Thau] *) More changes in alloc.c --- new cleanup_for_exec() function, which tracks down and closes all file descriptors which have been registered with the alloc.c machinery before the server exec()s a child process for CGI or . CGI children now get started with exactly three file descriptors open. Hopefully, this cures the problem Rob H. was having with overly persistent CGI connections. [Robert Thau] *) Mutual exclusion around the accept() in child_main() --- this is required on at least SGI, Solaris and Linux, and is #ifdef'ed in by default on those systems only (-DFCNTL_SERIALIZED_ACCEPT). This uses fcntl(F_SETLK,...) on the error log descriptor because flock() on that descriptor won't work on systems which have BSD flock() semantics, including (I think) Linux 1.3 and Solaris. This does work on SunOS (when the server is idle, only one process in the pool is waiting on accept()); it *ought* to work on the other systems. [Robert Thau] *) FreeBSD and BSDI portability tweaks [Chuck Murcko] *) sizeof(*sa_client) bugfix from [Rob Hartill] *) pstrdup(..., NULL) returns NULL, [Randy Terbush] *) block_alarms() to avoid leaking the DBM* in dbm auth (this should be unnecessary if I go to the revised timeout-handling scheme). [Robert Thau] *) For NCSA bug-compatibility, set QUERY_STRING env var (to a null string) even if none came in with the request. [Robert Thau] *) CHANGES file added to distribution ;-).