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Revision 1.49 - (hide annotations)
Sat Nov 16 19:29:58 2002 UTC (18 years, 11 months ago) by nmav
Branch: MAIN
CVS Tags: hydra_0_1_0
Branch point for: hydra_0_1_0_patches
Changes since 1.48: +3 -0 lines
changes for 0.1.0 final release.

1 nmav 1.49 ** Changes from 0.0.10 to 0.1.0 - 16/11/2002
2     * No changes. This is the final release by me --Nikos
3    
4 nmav 1.48 ** Changes from 0.0.9 to 0.0.10 - 08/11/2002
5 nmav 1.47 * Corrected bug in error logging.
6     * Use the TMPDIR environment variable instead of TMP to get
7     the temporary directory.
8    
9 nmav 1.46 ** Changes from 0.0.8 to 0.0.9 - 27/10/2002
10 nmav 1.42 * Long offsets are not used by default.
11     * Use of pipes instead of temporary files, if the post data sent
12     are less than PIPE_BUF.
13 nmav 1.44 * More consistent logging. The server's hostname or "unknown"
14 nmav 1.43 are prepended to the log message.
15 nmav 1.44 * Corrected redirection/aliases behaviour, to match the documented one.
16 nmav 1.45 * SSLParamsRefresh was renamed to MaintenanceInterval and is more
17     generic, since it includes some server cleanups.
18     * Added file access control lists per virtual host. Based on patch for
19     Boa by Peter Korsgaard <jacmet@sunsite.dk>
20 nmav 1.46 * Added the ability to disable HIC threads by using 0 in the
21     HICThreads configuration directive.
22     * Hydra now uses poll by default. Select is available using the --with-select
23     configure option.
24 nmav 1.42
25 nmav 1.41 ** Changes from 0.0.7 to 0.0.8 - 25/10/2002
26 nmav 1.36 * Better pthread detection.
27 nmav 1.40 * Better detection of dlopen call.
28 nmav 1.37 * Some changes to compile in gcc 2.95
29 nmav 1.40 * Added support for FreeBSD's sendfile (untested).
30 nmav 1.38 [Ported from Boa 0.94.14rc1]
31     * add new state, IOSHUFFLE, which utilizes sendfile (or
32     emulates it using the request's buffer, otherwise)
33     * make the default socket size 32K. The client_stream_size stays constant
34     at 8K, and the new 'buffer' size is 4K
35     Note also that the new code uses the "default" socket buffer size
36     it obtains with the first accept()ed socket.
37     * make default behavior be to leave stderr alone, but tie it
38     to cgilog otherwise
39 nmav 1.40 * add [optional, Linux-only] check for sendfile system call
40 nmav 1.38 * use --disable-sendfile to disable sendfile support
41     sendfile support for files > 100K is default, now.
42     It's significantly faster and easier than the alternative
43     * umask ~0770 before exec
44     * tie stdout to the access_log, unless there is no access_log,
45     in which case tie it to /dev/null
46     * use sensible defaults for umask (077) and (027 for CGI)
47     * add and document new parameters (CGILog and CGIumask)
48     * vast improvements to the cgi-test.cgi program, by Jon Nelson
49     and Landon Curt Noll.
50     * next 3 items by Don Mahurin (patches modified somewhat):
51     * pidfile patch
52     * default mime_types patch
53     * NCSA environment environment variables wrapped in
54     #ifdef USE_NCSA_CGI_ENV
55     * fix some escaping issues with the directory indexer
56     (Ulf Harnhammar)
57     * backport poll support from 0.95
58 nmav 1.36
59 nmav 1.35 ** Changes from 0.0.6 to 0.0.7 - 10/10/2002
60 nmav 1.26 * Added support for large files in 32 bit systems.
61 nmav 1.27 * Added support for SSL_* variables in CGIs.
62 nmav 1.28 * Added options in configuration file, to request and verify
63     a client certificate.
64 nmav 1.34 * The headers of HIC-CGIs are now parsed by the server.
65 nmav 1.33 * Corrected behavour in SIGHUP signal handling, to reread
66 nmav 1.29 the SSL related variables.
67 nmav 1.33 * Children and HIC threads are now killed using a signal, to avoid
68     unexpected errors, and memory leaks.
69 nmav 1.26
70 nmav 1.24 ** Changes from 0.0.5 to 0.0.6 - 03/10/2002
71 nmav 1.21 * Compatibility functions are now automatically included in hydra, if
72     they are not found by the configure script.
73 nmav 1.22 * Replaced the included scandir function, with the one in libc.
74 nmav 1.23 * Fixed code, which compiled fine with gcc 3.2, but didn't compile at
75 nmav 1.22 all, with any other compiler!
76 nmav 1.23 * Improved the MaxConnections directive semantics.
77 nmav 1.25 * Added a very primitive mime.types file in examples/ directory.
78 nmav 1.21
79 nmav 1.20 ** Changes from 0.0.4 to 0.0.5 - 02/10/2002
80 nmav 1.18 * If a requested CGI is not accesible then send 404 not found, instead
81     of trying to execute it.
82 nmav 1.19 * Corrected several stuff in HIC CGI handler. This allows Cookies,
83     POST data and Queries to work properly.
84 nmav 1.18
85 nmav 1.17 ** Changes from 0.0.3 to 0.0.4 - 30/09/2002
86 nmav 1.14 * Added support for If-Range, If-Match, If-None-Match HTTP/1.1 header
87     fields. The server also generates ETag headers for static content using
88 nmav 1.15 the last modified field of the file, and the file size. This makes
89     Hydra cache friendly.
90 nmav 1.16 * Added support for multiple HIC threads. This gives a boost to script generation
91 nmav 1.22 since they are no longer generated sequentially.
92 nmav 1.14
93 nmav 1.13 ** Changes from 0.0.2 to 0.0.3 - 28/09/2002
94 nmav 1.11 * Added support for dynamic modules that handle CGIs
95     internally (HIC). That way Hydra can run PHP.
96     * Fixes in CGI execution. CGIs that are not passed from aliasing
97     functions now properly set PATH_INFO and PATH_TRANSLATED.
98     (Needs further cleanup).
99 nmav 1.12 * Cleaned up SSL support. Now hydra can be compiled even if gnutls
100     is not available.
101 nmav 1.11
102 nmav 1.9 ** Changes from Boa/0.94.13 to Hydra/0.0.2 - 26/09/2002
103 nmav 1.2 * Added support for SSL 3.0 and TLS 1.0 protocols.
104     * Added support for multiple CPU's by making the server
105     run over a pool of threads.
106     * Changed the file caching code. The mmap() calls are cached until
107     the mmap list table is full.
108     * Added support for HTTP/1.1 ranges.
109 nmav 1.4 * Added support for hostname based virtual hosting.
110 nmav 1.5 Also changed the semantics of Alias, ScriptAlias and Redirect, to
111     take advantage of the host based virtual hosting.
112 nmav 1.3 * Added support for the TCP_CORK tcp option in linux.
113     * Cleaned up the CGI handling (gunzip, indexer are treated as CGIs)
114 nmav 1.10 * Enhanced grammar to handle 3 and 4 argument options.
115 nmav 1.7 * Added support for multiple directory indexes.
116     * Dropped support for gunzip.
117 nmav 1.8 * Use automake to create the distribution.
118 nmav 1.2
119 nmav 1.1 ** Changes from 0.94.12 to 0.94.13
120     * Change many instances of log_error_mesg + exit to DIE macro
121     * Change all instance of log_error_mesg (without exit) to WARN macro
122     * do a much better job of checking return values from malloc and
123     especially strdup.
124     * check results of calling umask and getrlimit
125     * server_s is no longer a global int
126     * check results of fork via switch instead of if (fork())
127     * check for getopt.h and include it if found
128     * remove unused #defines, and add WARN macro, and replace
129     many calls to log_error_mesg(..) with WARN macro
130     * fix bug in get_commonlog_time where time_offset calculation was
131     the opposite of what it should be ('-' and '+' were swapped)
132     * fix compatability bug with old and newer versions of flex/yacc
133     * add check for AC_FUNC_MMAP to configure.in
134     * fix really lame thinko in normalize_path, which would prepend the
135     results of earlier calls to results from later calls
136     * Add MaxConnections, a configuration directive which allows the
137     user to specify the maximum number of connections that Boa will
138     accept concurrently.
139     * add SERVER_ADDR and REQUEST_URI to environment of CGI
140     * handle SIGBUS during writes of data that has been memory mapped
141     * minor optimization in select.c that prevents DEAD requests from
142     being added to the block set
143     * fix bug in CGI environment script_name - closes sf.net bug #576725
144     * make 'status' variable local to requests.c, not local to every file
145     by forgetting to declare 'extern' in globals.h :-|
146     * make getsockname non-fatal, and do it every time because we may
147     need it for the CGI
148     * some minor refactoring optimizations in hash.c
149    
150     ** Changes from 0.94.11 to 0.94.12
151     * Renamed Changelog ChangeLog, and moved up to top-level directory
152     * Next 3 items due in part or whole thanks to
153     Liam Widdowson
154     * when printf'ing a pid type, force to int, because it could be
155     something else on other platforms. Should probably change it to
156     a long, and use that.
157     * backported chroot commandline support from 0.95
158     * backported support for strdup, strstr, alphasort, and scandir
159     from 0.95
160     * Fixed src/Makefile.in -- it didn't remove index_dir.o
161     * backport create_temporary_file from 0.95
162     (instead of using tmpnam)
163     * Allow non-standard date format 31 September 2000 23:59:59 GMT
164     Patch by Landon Curt Noll
165     * Skip whitespace before HTTP/major.minor
166     Adapted patch from Landon Curt Noll
167     * open /dev/null first thing (affects chrooting)
168     * properly handle sigalrm -- use sigalrm_flag and sigalrm_run
169     instead of handling the signal in the signal handler
170     * update manpage slightly
171     * send 400 BAD Request when resource does not start with '/'
172     * add grp.h to boa.h's includes -- remove from boa.c and config.c
173     * removed duplicate header includes from boa.c, config.c, get.c,
174     ip.c, request.c, response.c
175     * factor out creating the server socket and dropping privs
176     into create_server_socket and drop_privs
177     * type all functions in boa.c (except main) as static
178     * set umask after opening /dev/null
179     * tie stdin/stdout to /dev/null before commandline parse
180     * removed old, unused chroot code
181     * move builds_needs_escape earlier in the startup
182     * move fork later in the startup
183     * type all c_set_* as static in config.c
184     * don't bother trying to change uid/gid (or error if the
185     requested uid/gid doesn't exist) if not UID 0
186     * return more appropriate error code when foo.html gives
187     access denied, but foo.html.gz gives some other error
188     (essentially report error associated with foo.html, not foo.html.gz)
189     * send NOT Implemented when an unknown method is attempted
190     * always attempt a 32k read right before close
191     (stopgap until blackhole can be merged)
192     * allow more than 1 space in logline between method, resource,
193     and http version
194     * don't use inline functions
195     * update configure.in so that autoconf 2.50 doesn't complain (as much)
196     * properly use VPATH and srcdir according to autoconf docs
197     * change curly-braces to parentheses in Makefilein
198     * use $^ instead of manually listing the dependencies in Makefile.in
199     * remove tests section in Makefile.in
200     * write tags not TAGS in Makefile.in
201     * Add gethostbyname and inet_aton to function checks
202     * Add code from 0.95 which checks for socket in -lsocket,
203     inet_aton in -lresolv, and gethost{by}name in -lnsl
204     * Also remove broken bc-based "how big is an unsigned int" checks:
205     assume minimum of 32 bits and check in escape.c at runtime.
206     * Added new file: README.chroot.solaris, based on a
207     modified version by Liam Widdowson
208     * Add check_struct_for.m4, which allows us to check a structure
209     for a member (found at http://www.gnu.org/software/ac-archive/
210     authored by Wes Hardaker
211     * Call "aclocal -I ." to rebuild aclocal.m4
212     * Using new check-struct-for-member autoconf macro, check
213     for tm_gmtoff and tm_zone in struct tm -- useful in
214     portability tests for localtime.
215     * Also check sockaddr_in for structure sin_len so we can set
216     it properly.
217     * index_dir.c (which ends up in boa_indexer) can now be compiled
218     with USE_LOCALTIME, and if so, it will report the local time
219     using the timezone name. Otherwise it uses UTC time and UTC
220     timezone designation.
221     * fix buglet in mmap_cache.c which shows up when under
222     heavy load by many different files.
223     Found and squashed by Michal Kara
224     * normalize paths on Aliases, log files, server root, dirmaker
225     This makes sure that paths are 'absolute'
226     * don't generate DOCUMENT_ROOT or SERVER_ROOT,
227     CGIs have no business knowing that information
228     * if CGI, chdir to the cgi's root path
229     Bug found by Matt Callaway
230     * remove ChrootPath and PidFile directives from the parser
231     (they aren't used anyway)
232     * keep track of maximum file descriptor in use to optimize call
233     to select()
234     * apply IPv6 patch from Jari Korva
235     * optimize keep-alive copy data routine
236     * try to use memcpy instead of strcpy/strcat in more places (alias.c)
237     * update .depend file
238     * use fcntl + GET_FL to get a file descriptor's flags, then
239     add or remove only the bits we want to set. This prevents
240     accidentally setting or unsettings bits we don't have anything
241     to do with inadvertantly. (removed, at least temporarily.
242     Show me a system where it is needed -- LRD)
243     * make sure to call FD_ZERO when we handle a restart
244     * in read.c, don't call boa_perror on read failure -- socket is
245     dead or messed up anyway, no reason to try to write to it.
246     * explicit .SUFFIXES in Makefile.in
247     * boa.objdump target added
248     * use @MAKE_SET@ (for when $(MAKE) != "make")
249     * add -Wundef -Wwrite-strings -Wredundant-decls -Winline to GCC_FLAGS
250     * change Paul Phillips' and Larry Doolittle's emails in source
251     * add --disable-debug, --enable-profile, --with-dmalloc, and --with-efence
252     * test for failed-but-return-was-successful setuid:
253     http://www.securityfocus.com/bid/1322
254     * use _exit not exit in CGI child
255     * always place new keepalive request on blocked list, we can't be
256     sure of the state of the active list, and since enqueue places
257     things at the *front* of the list, it doesn't do us much good
258     to place the new request on the active list anyway.
259     * update some Copyright statements for 2002
260     * When comparing the uri to an alias, only compare if
261     the uri length is greater than or equal to the length of the alias
262     * in init_script_alias, make sure to check for document_root before
263     trying to use it
264     * script_name is now just a copy of the request, rather
265     than some complicated variation on the pathname
266     * change the way the CGI environment is handled.
267     Now, it is allocated at request allocation time, and exists
268     throughout the life of the structure.
269     * check memory allocations, etc.. when creating the static
270     CGI environment and when making new CGI environment variables
271     * wait until process_option_end to call unescape_uri, clean_pathname,
272     and translate_uri
273     * remove debian package information
274     * move RedHat packaging information to contrib
275     * remove tests -- they weren't usable anyway
276     * add some new hash routines, and use djb2 (a variant on a
277     hash algorithm popularized by Dan J. Bernstein)
278     * a side-effect of the new hash routines is a bugfix,
279     involving negative return values from hash routines.
280     This has been fixed.
281     * add a routine, show_hash_stats, which is called with other
282     statistical output via sigalarm
283     * remove some duplicate prototypes from config.c
284     * make simple_itoa take an unsigned int
285     * try to make NOBLOCK handling in compat.h compatible with Solaris
286     * make sure to update current_time before calling signal handlers
287     * alter primary loop to make sure that select gets called even
288     when there are requests that are not blocking, and call fdset_update
289     and process_requests (when appropriate) after signal handlers but
290     before select to make sure that blocked requests are still handled
291     by select after a sighup. (Thanks to Karl Olsen)
292     * pull select loop into select.c
293     * poll server socket once per active connection
294     * add send_r_service_unavailable and use it when appropriate
295     * state uptime in seconds at normal program termination
296     * include sys/fcntl.h if it is found by configure
297     * fix POST bug where a content-length < 0 would cause Boa to
298     consume its full share of CPU until killed
299     Bug report by Landon Curt Noll
300     * add CGIPath configuration variable
301     based upon a patch by Landon Curt Noll
302     * add function boa_atoi, which wraps atoi, but does not
303     accept negative values. Additionally, it checks to make sure
304     the converted value and the original value are the same, avoiding
305     issues like "124.3" -> "123" and "123abc" -=> "123".
306     Either a value is an int or it isn't - no middle ground.
307     * use boa_atoi to convert content-length from client.
308     * add new #define - SINGLE_POST_LIMIT_DEFAULT, which defines
309     (in bytes) the *default* single_post_limit.
310     * single_post_limit is now in bytes.
311     * when adding aliases, only "normalize" paths that start
312     with "./" - this is a departure from previous behavior
313     * add "?" to the list of characters that it is safe to leave unescaped
314     * clean up Makefile.in of no-longer-pertinent comments
315     * add send_r_bad_gateway and use it
316     * tie stderr to either cgi_log_fd or devnullfd - either way
317     make sure stderr is a valid filehandle before cgi execution
318     * cgi_env is no longer allocated, it's part of the struct now
319     * fix bug in CgiPath logic
320     * when unable to allocate memory for an environment variable, log it
321     * add clear_common_env, which de-allocates the cgi_common_env stuff
322     [NEVER USE THIS outside of a terminal signal handler!]
323     * don't be so wasteful of memory in normalize_path
324     * adapted fix for alias expansion from Brieuc Jeunhomme
325    
326     ** Changes from 0.94.10.1 to 0.94.11
327     * use LIBS in Makefile.in (which propagates from autoconf)
328     * properly free memory allocated by scandir in index_dir.c
329     * rearrange some header files and includes
330     * on reads and writes, don't check for -1, check for < 0
331     * include fix by William Meadows
332     for escape.c which fixes segfaults due to improper allocation
333     * above fix by William Meadows no longer needed;
334     escape.c and escape.h rewritten by Larry Doolittle -- requires
335     at least 32 bit words, but is correct (jdn's 1st attempt was faulty)
336    
337     ** Changes from 0.94.10 to 0.94.10.1
338     * Actually update the SERVER_VERSION in src/defines.h
339    
340     ** Changes from 0.94.9 to 0.94.10
341     * Fixes escaping rules
342     * Fixes segfault when directory_index is undefined and
343     directory needs to be generated
344     * adds dummy signal handlers for SIGUSR1 and SIGUSR2 (Closes SF #425921)
345     * Update documentation regarding mime.types (Closes Debian #69991)
346     * Make sure documentation builds (Closes Debian #110818)
347    
348     ** Changes from 0.94.8.3 to 0.94.9
349     * src/Makefile.in updated to take CFLAGS, LIBS, and LDFLAGS
350     from autoconf
351     * Update escaping rules with latest RFC
352     * unescape_uri skips fragments and also stop parsing at '?'
353     * Don't accept fd over FD_SETSIZE in request.c:get_request
354     * use backported documentation from 0.95
355     * make sure POST fd gets closed even on client cancel
356     * use backported index_dir.c from 0.95
357     * support subdirectories in ScriptAlias directories
358     * add SinglePostLimit (int, in Kilobytes) to config system
359     * check for ENOSPC on body write
360     * use environment variable TMP (or "/tmp" if not available),
361     and chdir there when boa exits.
362     * add 1-time-only hack to make a 32kB read at the end of a request
363     on POST or PUT
364     * close unused file descriptors (/dev/null in boa.c, and the
365     unused part of the pipes call in cgi.c)
366     * made Makefile.in VPATH happy
367    
368     ** Changes from 0.94.8.2 to 0.94.8.3
369     * Move unescape_uri *before* clean_pathname to prevent
370     encoding of / and .. in pathname
371     * wrap execution of GUNZIP in cgi.c with #ifdef GUNZIP
372     * stop parsing when fragment found in URL ('#')
373    
374     ** Changes from 0.94.8.1 to 0.94.8.2
375     * close pipes[1] in child and generate HTTP_REFERER environment
376     variable in cgi.c
377     * Minor changes to the Debian package
378    
379     ** Changes from 0.94.8 to 0.94.8.1
380     * Change umask call from (umask(0600)) to (umask(~0600))
381    
382     ** Changes from 0.94.7 to 0.94.8
383     * Fix major thinko in temp file permissions
384     * unlink temporary file immediately following creation
385     * implement maximum # of active connections at 10 less than RLIMIT_NOFILE
386     to avoid or eliminate crashes resulting from running out of
387     file descriptors
388     * Fix thinko in POST
389    
390     ** Changes from 0.94.6 to 0.94.7
391     * STDIN and STDOUT are now tied to /dev/null
392     * sets PATH_MAX to 2048 if not defined (for Hurd)
393     * core dumps (should never happen) would be located in /tmp
394     * alter behavior when select gets a EBADF
395     * add translation for the \" char -> &quot;
396     * remove use of sys_errlist. Use perror.
397     * better makedist.sh (still a stupid program though)
398    
399     ** Changes from 0.94.5 to 0.94.6
400     * Removed doc++ commenting
401     * Removed erroneous debugging statments
402     * Move some stuff out of config.c (read_config_file) to boa.c
403     * Altered some of fixup_server_root()
404     * Bug fix in get.c re: automatic gunzip
405     * Added some stubs for chroot code (*not* ready yet)
406    
407     ** Changes from 0.94.4 to 0.94.5
408     * Alteration of most of the comments and such for doc++ use
409     * Fixed buffer overflow in alias.c
410     * Fixed buffer underflow in util.c
411    
412     ** Changes from 0.94.3 to 0.94.4
413     * Better escaping of data to user, both for HTTP headers and HTML body
414     * Proper escaping of output in CGI example perl scripts
415    
416     ** Changes from 0.94.0 to 0.94.2
417     * Fixed obnoxious pipeline bug
418     * Fixed (sorta) a compilation/core bug for *BSD systems
419     Original code by Thomas Neumann
420     * Moved to GPLv2
421     * Changed manpage to section 8
422     * boa.sgml now references a .png file instead of evil .gif
423    
424     ** Changes from 0.93.19.2 to 0.94.0
425     * Added UseGMT to the configuration parser
426     * util.c commonlog now logs in Apache-style commonlog time format
427     * Remove SO_SNDBUF on-start message
428    
429     ** Changes from 0.93.19 to 0.93.19.2
430     * Changed to combined log (from NCSA access_log format) ala Drew Streib
431     * Altered POST cgi code to handle bug in Netscape
432     * SO_SNDBUF changes by Larry
433    
434     ** Changes from 0.93.17.2 to 0.93.19 (all 0.93.18.x changes inclusive)
435     * Update of some copyright statements for 99
436     * Replacement of sprintf with strlen/memcpy or strcpy/strcat
437     wherever possible
438     * Significant rearrangement in alias.c, minor functional differences
439     (some CGI environment variables handled differently)
440     * Removal of die function. Replace with log_err_mesg and exit.
441     * initial IPv6 stubs and support
442     * Move #include "config.h" to top of boa.h where it will do some good
443     * Stubs and functions for strstr and strdup
444     * Seperation of buffer code into it's own file
445     * Significant changes to cgi.c et al (cgi_header.c, etc...)
446     * Speed patches by removal of "extra" calls to time(): Use global variable!
447     * pipelining changes... it works now.
448     * require content-length from clients (ala rfc1945)
449     * alter body_read and body_write to work more efficiently with known content-length
450     * move read(2) part to *after* parsing...
451     * added support for additional header message in send_redirect_temp
452     * change use of NO_ZERO_FILL_LENGTH to offsetof() use
453     * Remove SO_REUSEADDR setting on each client socket, Paul Saab
454     * Avoid SO_SNDBUF setting if possible
455     * Large quantities of otherwise not-insignificant changes
456    
457     ** Changes from 0.93.17.2 to 0.93.17.3
458     * Put on-the-fly directories back in, stripped down from the 0.92 version
459     * Fixed DocumentRoot, ServerAdmin and ServerName null-value handling in
460     CGI environment generation
461     * Fixed argument order in Script* directives (bug introduced in 0.93.17.2)
462     * Got rid of MAX_CGI_VARS because it was not being used consistently, or
463     for that matter, at all, really.
464     * Added some more FASCIST_LOGGING to cgi.c
465     * Minor mmap patch by LRD for request.c
466    
467     ** Changes from 0.93.17.1 to 0.93.17.2
468     * Added "Listen" directive for server bind address, as most recently
469     suggested by David N. Welton
470     * Put virtualhost feature in, was experimental in 0.92q
471    
472     ** Changes from 0.93.16.2 to 0.93.17.1
473     * New config file parser (supposed to be more maintainable) (LRD)
474     * Support for "|command" and ":host:port" syntax for logfiles (untested) (LRD)
475    
476     ** Changes for the 0.93 version **
477     * Huge quantities of changes
478     * keepalive Bugfix in 0.93.16.2 by Jon Nelson
479     report by Craig Silverstein of Google fame.
480     * patch for config.h by Craig Silverstein
481     * fixed "Parent Directory" problem in boa_indexer for title "/"
482     (Debian bug #36165)
483     * More Craig Silverstein
484     modifications, namely:
485     ErrorLog (if omitted, print to stderr)
486     DocumentRoot (if omitted, can only server user-dir files)
487     DirectoryIndex (if omitted, always use DirectoryMaker)
488     MimeTypes (if omitted, don't load -- users can use AddType instead)
489    
490    
491     ** Changes from v0.92o to v0.92p **
492    
493     * Documented misbehavior of CGI, SIGHUP, short aliases, stale dircache.
494     * Documented how to patch signals.c for use on SunOS.
495     * Closed file descriptor leak when redirecting a bare directory URL to
496     one with an appended "/".
497     * Closed potential file descriptor leak if errors encountered generating
498     on-the-fly index.
499     * Cleaned up include file handling to be simultaneously compatible with
500     Linux, SunOS, HP-UX, and AIX.
501     * Supress message body for codes 302, 400, 403, 404, 500, and 501 if
502     incoming request is "HEAD".
503    
504     ** Changes from v0.91 to v0.92o **
505     (0.92o released 27 December, 1996)
506    
507     * Maintenance handover from Paul Phillips to Larry Doolittle
508     * Changed (char)NULL to '\0'
509     * Cleaned up signal handler prototypes in signals.c
510     * Modified handling of CGI environment variable PATH_TRANSLATED,
511     should now work the same as NCSA.
512     * More conservative buffer size in add_cgi_env()
513     * Build argv list for a CGI script according to spec
514     * Speedup process_header_line, eliminate potential memory leak
515     * Occasional spelling fixes and lint removal
516     * Added REMOTE_PORT env var for CGI scripts, to allow easy ident lookups
517     * Changed rfc822 time format
518     * Log timeouts and broken connections
519     * Fix mime suffix handling for filenames with multiple "."s
520     * Initialize conn->time_last, fixes bug with rapid-fire connections
521     * Performance tweak to req_write()
522     * Changed http_version from float to char[8]
523     * Rewrote on-the-fly directory generation; it works now
524     * Added user configurable dircache directory in boa.conf
525     * Fixed "simple" response bugs, including incorrect CGI handling
526     * Keepalive (HTTP/1.1 draft) support, mostly by Jon Nelson
527     * Close data_fd in 304 Not Modified flow of control
528     * Switch socket flags to non-blocking before cgi handoff
529     * Try to handle errno properly in the face of multiple errors
530     * Close fd's of all other transactions before cgi handoff
531     * Move real work for sighup and sigchld out of signal handler
532     * Fix free(req->cgi_env) in request.c
533     * Response message cleanup - better match to HTML-2.0 DTD
534     * Experimental Virtual Host code from Russ Nelson
535     * Expand buffer for escaped URI in init_get()
536     * SIGTERM triggers lame duck mode until all pending transactions complete
537     * Close and unlink temp file for POST in parent process
538    
539     ** Changes from v0.90 to v0.91 **
540    
541     * Cleaned up main while loop
542     * Optimized request line parsing
543     * Added state machine for header reads -- necessary to deal wtih
544     possibility of obtaining header data in multiple reads. This
545     also allows interactive use of server.
546     * Added 500/501 return codes for various conditions
547    
548     ** v0.90 **
549    
550     * Initial release
551    

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