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Revision 1.49.2.5 - (show annotations)
Sun Jan 5 16:58:58 2003 UTC (18 years, 7 months ago) by nmav
Branch: hydra_0_1_0_patches
Changes since 1.49.2.4: +1 -0 lines
*** empty log message ***

1 ** Changes from 0.1.1 to 0.1.2 -
2 * Allow running the server as root, if explicitly stated in
3 configuration file.
4 * Better pthreads detection.
5
6 ** Changes from 0.1.0 to 0.1.1 - 17/12/2002
7 * Corrected bug in Keep-Alive mode when SSL or TLS was enabled.
8 * Fixed unexpected timeout in first connection on an idle server.
9
10 ** Changes from 0.0.10 to 0.1.0 - 16/11/2002
11 * No changes. This is the final release by me --Nikos
12
13 ** Changes from 0.0.9 to 0.0.10 - 08/11/2002
14 * Corrected bug in error logging.
15 * Use the TMPDIR environment variable instead of TMP to get
16 the temporary directory.
17
18 ** Changes from 0.0.8 to 0.0.9 - 27/10/2002
19 * Long offsets are not used by default.
20 * Use of pipes instead of temporary files, if the post data sent
21 are less than PIPE_BUF.
22 * More consistent logging. The server's hostname or "unknown"
23 are prepended to the log message.
24 * Corrected redirection/aliases behaviour, to match the documented one.
25 * SSLParamsRefresh was renamed to MaintenanceInterval and is more
26 generic, since it includes some server cleanups.
27 * Added file access control lists per virtual host. Based on patch for
28 Boa by Peter Korsgaard <jacmet@sunsite.dk>
29 * Added the ability to disable HIC threads by using 0 in the
30 HICThreads configuration directive.
31 * Hydra now uses poll by default. Select is available using the --with-select
32 configure option.
33
34 ** Changes from 0.0.7 to 0.0.8 - 25/10/2002
35 * Better pthread detection.
36 * Better detection of dlopen call.
37 * Some changes to compile in gcc 2.95
38 * Added support for FreeBSD's sendfile (untested).
39 [Ported from Boa 0.94.14rc1]
40 * add new state, IOSHUFFLE, which utilizes sendfile (or
41 emulates it using the request's buffer, otherwise)
42 * make the default socket size 32K. The client_stream_size stays constant
43 at 8K, and the new 'buffer' size is 4K
44 Note also that the new code uses the "default" socket buffer size
45 it obtains with the first accept()ed socket.
46 * make default behavior be to leave stderr alone, but tie it
47 to cgilog otherwise
48 * add [optional, Linux-only] check for sendfile system call
49 * use --disable-sendfile to disable sendfile support
50 sendfile support for files > 100K is default, now.
51 It's significantly faster and easier than the alternative
52 * umask ~0770 before exec
53 * tie stdout to the access_log, unless there is no access_log,
54 in which case tie it to /dev/null
55 * use sensible defaults for umask (077) and (027 for CGI)
56 * add and document new parameters (CGILog and CGIumask)
57 * vast improvements to the cgi-test.cgi program, by Jon Nelson
58 and Landon Curt Noll.
59 * next 3 items by Don Mahurin (patches modified somewhat):
60 * pidfile patch
61 * default mime_types patch
62 * NCSA environment environment variables wrapped in
63 #ifdef USE_NCSA_CGI_ENV
64 * fix some escaping issues with the directory indexer
65 (Ulf Harnhammar)
66 * backport poll support from 0.95
67
68 ** Changes from 0.0.6 to 0.0.7 - 10/10/2002
69 * Added support for large files in 32 bit systems.
70 * Added support for SSL_* variables in CGIs.
71 * Added options in configuration file, to request and verify
72 a client certificate.
73 * The headers of HIC-CGIs are now parsed by the server.
74 * Corrected behavour in SIGHUP signal handling, to reread
75 the SSL related variables.
76 * Children and HIC threads are now killed using a signal, to avoid
77 unexpected errors, and memory leaks.
78
79 ** Changes from 0.0.5 to 0.0.6 - 03/10/2002
80 * Compatibility functions are now automatically included in hydra, if
81 they are not found by the configure script.
82 * Replaced the included scandir function, with the one in libc.
83 * Fixed code, which compiled fine with gcc 3.2, but didn't compile at
84 all, with any other compiler!
85 * Improved the MaxConnections directive semantics.
86 * Added a very primitive mime.types file in examples/ directory.
87
88 ** Changes from 0.0.4 to 0.0.5 - 02/10/2002
89 * If a requested CGI is not accesible then send 404 not found, instead
90 of trying to execute it.
91 * Corrected several stuff in HIC CGI handler. This allows Cookies,
92 POST data and Queries to work properly.
93
94 ** Changes from 0.0.3 to 0.0.4 - 30/09/2002
95 * Added support for If-Range, If-Match, If-None-Match HTTP/1.1 header
96 fields. The server also generates ETag headers for static content using
97 the last modified field of the file, and the file size. This makes
98 Hydra cache friendly.
99 * Added support for multiple HIC threads. This gives a boost to script generation
100 since they are no longer generated sequentially.
101
102 ** Changes from 0.0.2 to 0.0.3 - 28/09/2002
103 * Added support for dynamic modules that handle CGIs
104 internally (HIC). That way Hydra can run PHP.
105 * Fixes in CGI execution. CGIs that are not passed from aliasing
106 functions now properly set PATH_INFO and PATH_TRANSLATED.
107 (Needs further cleanup).
108 * Cleaned up SSL support. Now hydra can be compiled even if gnutls
109 is not available.
110
111 ** Changes from Boa/0.94.13 to Hydra/0.0.2 - 26/09/2002
112 * Added support for SSL 3.0 and TLS 1.0 protocols.
113 * Added support for multiple CPU's by making the server
114 run over a pool of threads.
115 * Changed the file caching code. The mmap() calls are cached until
116 the mmap list table is full.
117 * Added support for HTTP/1.1 ranges.
118 * Added support for hostname based virtual hosting.
119 Also changed the semantics of Alias, ScriptAlias and Redirect, to
120 take advantage of the host based virtual hosting.
121 * Added support for the TCP_CORK tcp option in linux.
122 * Cleaned up the CGI handling (gunzip, indexer are treated as CGIs)
123 * Enhanced grammar to handle 3 and 4 argument options.
124 * Added support for multiple directory indexes.
125 * Dropped support for gunzip.
126 * Use automake to create the distribution.
127
128 ** Changes from 0.94.12 to 0.94.13
129 * Change many instances of log_error_mesg + exit to DIE macro
130 * Change all instance of log_error_mesg (without exit) to WARN macro
131 * do a much better job of checking return values from malloc and
132 especially strdup.
133 * check results of calling umask and getrlimit
134 * server_s is no longer a global int
135 * check results of fork via switch instead of if (fork())
136 * check for getopt.h and include it if found
137 * remove unused #defines, and add WARN macro, and replace
138 many calls to log_error_mesg(..) with WARN macro
139 * fix bug in get_commonlog_time where time_offset calculation was
140 the opposite of what it should be ('-' and '+' were swapped)
141 * fix compatability bug with old and newer versions of flex/yacc
142 * add check for AC_FUNC_MMAP to configure.in
143 * fix really lame thinko in normalize_path, which would prepend the
144 results of earlier calls to results from later calls
145 * Add MaxConnections, a configuration directive which allows the
146 user to specify the maximum number of connections that Boa will
147 accept concurrently.
148 * add SERVER_ADDR and REQUEST_URI to environment of CGI
149 * handle SIGBUS during writes of data that has been memory mapped
150 * minor optimization in select.c that prevents DEAD requests from
151 being added to the block set
152 * fix bug in CGI environment script_name - closes sf.net bug #576725
153 * make 'status' variable local to requests.c, not local to every file
154 by forgetting to declare 'extern' in globals.h :-|
155 * make getsockname non-fatal, and do it every time because we may
156 need it for the CGI
157 * some minor refactoring optimizations in hash.c
158
159 ** Changes from 0.94.11 to 0.94.12
160 * Renamed Changelog ChangeLog, and moved up to top-level directory
161 * Next 3 items due in part or whole thanks to
162 Liam Widdowson
163 * when printf'ing a pid type, force to int, because it could be
164 something else on other platforms. Should probably change it to
165 a long, and use that.
166 * backported chroot commandline support from 0.95
167 * backported support for strdup, strstr, alphasort, and scandir
168 from 0.95
169 * Fixed src/Makefile.in -- it didn't remove index_dir.o
170 * backport create_temporary_file from 0.95
171 (instead of using tmpnam)
172 * Allow non-standard date format 31 September 2000 23:59:59 GMT
173 Patch by Landon Curt Noll
174 * Skip whitespace before HTTP/major.minor
175 Adapted patch from Landon Curt Noll
176 * open /dev/null first thing (affects chrooting)
177 * properly handle sigalrm -- use sigalrm_flag and sigalrm_run
178 instead of handling the signal in the signal handler
179 * update manpage slightly
180 * send 400 BAD Request when resource does not start with '/'
181 * add grp.h to boa.h's includes -- remove from boa.c and config.c
182 * removed duplicate header includes from boa.c, config.c, get.c,
183 ip.c, request.c, response.c
184 * factor out creating the server socket and dropping privs
185 into create_server_socket and drop_privs
186 * type all functions in boa.c (except main) as static
187 * set umask after opening /dev/null
188 * tie stdin/stdout to /dev/null before commandline parse
189 * removed old, unused chroot code
190 * move builds_needs_escape earlier in the startup
191 * move fork later in the startup
192 * type all c_set_* as static in config.c
193 * don't bother trying to change uid/gid (or error if the
194 requested uid/gid doesn't exist) if not UID 0
195 * return more appropriate error code when foo.html gives
196 access denied, but foo.html.gz gives some other error
197 (essentially report error associated with foo.html, not foo.html.gz)
198 * send NOT Implemented when an unknown method is attempted
199 * always attempt a 32k read right before close
200 (stopgap until blackhole can be merged)
201 * allow more than 1 space in logline between method, resource,
202 and http version
203 * don't use inline functions
204 * update configure.in so that autoconf 2.50 doesn't complain (as much)
205 * properly use VPATH and srcdir according to autoconf docs
206 * change curly-braces to parentheses in Makefilein
207 * use $^ instead of manually listing the dependencies in Makefile.in
208 * remove tests section in Makefile.in
209 * write tags not TAGS in Makefile.in
210 * Add gethostbyname and inet_aton to function checks
211 * Add code from 0.95 which checks for socket in -lsocket,
212 inet_aton in -lresolv, and gethost{by}name in -lnsl
213 * Also remove broken bc-based "how big is an unsigned int" checks:
214 assume minimum of 32 bits and check in escape.c at runtime.
215 * Added new file: README.chroot.solaris, based on a
216 modified version by Liam Widdowson
217 * Add check_struct_for.m4, which allows us to check a structure
218 for a member (found at http://www.gnu.org/software/ac-archive/
219 authored by Wes Hardaker
220 * Call "aclocal -I ." to rebuild aclocal.m4
221 * Using new check-struct-for-member autoconf macro, check
222 for tm_gmtoff and tm_zone in struct tm -- useful in
223 portability tests for localtime.
224 * Also check sockaddr_in for structure sin_len so we can set
225 it properly.
226 * index_dir.c (which ends up in boa_indexer) can now be compiled
227 with USE_LOCALTIME, and if so, it will report the local time
228 using the timezone name. Otherwise it uses UTC time and UTC
229 timezone designation.
230 * fix buglet in mmap_cache.c which shows up when under
231 heavy load by many different files.
232 Found and squashed by Michal Kara
233 * normalize paths on Aliases, log files, server root, dirmaker
234 This makes sure that paths are 'absolute'
235 * don't generate DOCUMENT_ROOT or SERVER_ROOT,
236 CGIs have no business knowing that information
237 * if CGI, chdir to the cgi's root path
238 Bug found by Matt Callaway
239 * remove ChrootPath and PidFile directives from the parser
240 (they aren't used anyway)
241 * keep track of maximum file descriptor in use to optimize call
242 to select()
243 * apply IPv6 patch from Jari Korva
244 * optimize keep-alive copy data routine
245 * try to use memcpy instead of strcpy/strcat in more places (alias.c)
246 * update .depend file
247 * use fcntl + GET_FL to get a file descriptor's flags, then
248 add or remove only the bits we want to set. This prevents
249 accidentally setting or unsettings bits we don't have anything
250 to do with inadvertantly. (removed, at least temporarily.
251 Show me a system where it is needed -- LRD)
252 * make sure to call FD_ZERO when we handle a restart
253 * in read.c, don't call boa_perror on read failure -- socket is
254 dead or messed up anyway, no reason to try to write to it.
255 * explicit .SUFFIXES in Makefile.in
256 * boa.objdump target added
257 * use @MAKE_SET@ (for when $(MAKE) != "make")
258 * add -Wundef -Wwrite-strings -Wredundant-decls -Winline to GCC_FLAGS
259 * change Paul Phillips' and Larry Doolittle's emails in source
260 * add --disable-debug, --enable-profile, --with-dmalloc, and --with-efence
261 * test for failed-but-return-was-successful setuid:
262 http://www.securityfocus.com/bid/1322
263 * use _exit not exit in CGI child
264 * always place new keepalive request on blocked list, we can't be
265 sure of the state of the active list, and since enqueue places
266 things at the *front* of the list, it doesn't do us much good
267 to place the new request on the active list anyway.
268 * update some Copyright statements for 2002
269 * When comparing the uri to an alias, only compare if
270 the uri length is greater than or equal to the length of the alias
271 * in init_script_alias, make sure to check for document_root before
272 trying to use it
273 * script_name is now just a copy of the request, rather
274 than some complicated variation on the pathname
275 * change the way the CGI environment is handled.
276 Now, it is allocated at request allocation time, and exists
277 throughout the life of the structure.
278 * check memory allocations, etc.. when creating the static
279 CGI environment and when making new CGI environment variables
280 * wait until process_option_end to call unescape_uri, clean_pathname,
281 and translate_uri
282 * remove debian package information
283 * move RedHat packaging information to contrib
284 * remove tests -- they weren't usable anyway
285 * add some new hash routines, and use djb2 (a variant on a
286 hash algorithm popularized by Dan J. Bernstein)
287 * a side-effect of the new hash routines is a bugfix,
288 involving negative return values from hash routines.
289 This has been fixed.
290 * add a routine, show_hash_stats, which is called with other
291 statistical output via sigalarm
292 * remove some duplicate prototypes from config.c
293 * make simple_itoa take an unsigned int
294 * try to make NOBLOCK handling in compat.h compatible with Solaris
295 * make sure to update current_time before calling signal handlers
296 * alter primary loop to make sure that select gets called even
297 when there are requests that are not blocking, and call fdset_update
298 and process_requests (when appropriate) after signal handlers but
299 before select to make sure that blocked requests are still handled
300 by select after a sighup. (Thanks to Karl Olsen)
301 * pull select loop into select.c
302 * poll server socket once per active connection
303 * add send_r_service_unavailable and use it when appropriate
304 * state uptime in seconds at normal program termination
305 * include sys/fcntl.h if it is found by configure
306 * fix POST bug where a content-length < 0 would cause Boa to
307 consume its full share of CPU until killed
308 Bug report by Landon Curt Noll
309 * add CGIPath configuration variable
310 based upon a patch by Landon Curt Noll
311 * add function boa_atoi, which wraps atoi, but does not
312 accept negative values. Additionally, it checks to make sure
313 the converted value and the original value are the same, avoiding
314 issues like "124.3" -> "123" and "123abc" -=> "123".
315 Either a value is an int or it isn't - no middle ground.
316 * use boa_atoi to convert content-length from client.
317 * add new #define - SINGLE_POST_LIMIT_DEFAULT, which defines
318 (in bytes) the *default* single_post_limit.
319 * single_post_limit is now in bytes.
320 * when adding aliases, only "normalize" paths that start
321 with "./" - this is a departure from previous behavior
322 * add "?" to the list of characters that it is safe to leave unescaped
323 * clean up Makefile.in of no-longer-pertinent comments
324 * add send_r_bad_gateway and use it
325 * tie stderr to either cgi_log_fd or devnullfd - either way
326 make sure stderr is a valid filehandle before cgi execution
327 * cgi_env is no longer allocated, it's part of the struct now
328 * fix bug in CgiPath logic
329 * when unable to allocate memory for an environment variable, log it
330 * add clear_common_env, which de-allocates the cgi_common_env stuff
331 [NEVER USE THIS outside of a terminal signal handler!]
332 * don't be so wasteful of memory in normalize_path
333 * adapted fix for alias expansion from Brieuc Jeunhomme
334
335 ** Changes from 0.94.10.1 to 0.94.11
336 * use LIBS in Makefile.in (which propagates from autoconf)
337 * properly free memory allocated by scandir in index_dir.c
338 * rearrange some header files and includes
339 * on reads and writes, don't check for -1, check for < 0
340 * include fix by William Meadows
341 for escape.c which fixes segfaults due to improper allocation
342 * above fix by William Meadows no longer needed;
343 escape.c and escape.h rewritten by Larry Doolittle -- requires
344 at least 32 bit words, but is correct (jdn's 1st attempt was faulty)
345
346 ** Changes from 0.94.10 to 0.94.10.1
347 * Actually update the SERVER_VERSION in src/defines.h
348
349 ** Changes from 0.94.9 to 0.94.10
350 * Fixes escaping rules
351 * Fixes segfault when directory_index is undefined and
352 directory needs to be generated
353 * adds dummy signal handlers for SIGUSR1 and SIGUSR2 (Closes SF #425921)
354 * Update documentation regarding mime.types (Closes Debian #69991)
355 * Make sure documentation builds (Closes Debian #110818)
356
357 ** Changes from 0.94.8.3 to 0.94.9
358 * src/Makefile.in updated to take CFLAGS, LIBS, and LDFLAGS
359 from autoconf
360 * Update escaping rules with latest RFC
361 * unescape_uri skips fragments and also stop parsing at '?'
362 * Don't accept fd over FD_SETSIZE in request.c:get_request
363 * use backported documentation from 0.95
364 * make sure POST fd gets closed even on client cancel
365 * use backported index_dir.c from 0.95
366 * support subdirectories in ScriptAlias directories
367 * add SinglePostLimit (int, in Kilobytes) to config system
368 * check for ENOSPC on body write
369 * use environment variable TMP (or "/tmp" if not available),
370 and chdir there when boa exits.
371 * add 1-time-only hack to make a 32kB read at the end of a request
372 on POST or PUT
373 * close unused file descriptors (/dev/null in boa.c, and the
374 unused part of the pipes call in cgi.c)
375 * made Makefile.in VPATH happy
376
377 ** Changes from 0.94.8.2 to 0.94.8.3
378 * Move unescape_uri *before* clean_pathname to prevent
379 encoding of / and .. in pathname
380 * wrap execution of GUNZIP in cgi.c with #ifdef GUNZIP
381 * stop parsing when fragment found in URL ('#')
382
383 ** Changes from 0.94.8.1 to 0.94.8.2
384 * close pipes[1] in child and generate HTTP_REFERER environment
385 variable in cgi.c
386 * Minor changes to the Debian package
387
388 ** Changes from 0.94.8 to 0.94.8.1
389 * Change umask call from (umask(0600)) to (umask(~0600))
390
391 ** Changes from 0.94.7 to 0.94.8
392 * Fix major thinko in temp file permissions
393 * unlink temporary file immediately following creation
394 * implement maximum # of active connections at 10 less than RLIMIT_NOFILE
395 to avoid or eliminate crashes resulting from running out of
396 file descriptors
397 * Fix thinko in POST
398
399 ** Changes from 0.94.6 to 0.94.7
400 * STDIN and STDOUT are now tied to /dev/null
401 * sets PATH_MAX to 2048 if not defined (for Hurd)
402 * core dumps (should never happen) would be located in /tmp
403 * alter behavior when select gets a EBADF
404 * add translation for the \" char -> &quot;
405 * remove use of sys_errlist. Use perror.
406 * better makedist.sh (still a stupid program though)
407
408 ** Changes from 0.94.5 to 0.94.6
409 * Removed doc++ commenting
410 * Removed erroneous debugging statments
411 * Move some stuff out of config.c (read_config_file) to boa.c
412 * Altered some of fixup_server_root()
413 * Bug fix in get.c re: automatic gunzip
414 * Added some stubs for chroot code (*not* ready yet)
415
416 ** Changes from 0.94.4 to 0.94.5
417 * Alteration of most of the comments and such for doc++ use
418 * Fixed buffer overflow in alias.c
419 * Fixed buffer underflow in util.c
420
421 ** Changes from 0.94.3 to 0.94.4
422 * Better escaping of data to user, both for HTTP headers and HTML body
423 * Proper escaping of output in CGI example perl scripts
424
425 ** Changes from 0.94.0 to 0.94.2
426 * Fixed obnoxious pipeline bug
427 * Fixed (sorta) a compilation/core bug for *BSD systems
428 Original code by Thomas Neumann
429 * Moved to GPLv2
430 * Changed manpage to section 8
431 * boa.sgml now references a .png file instead of evil .gif
432
433 ** Changes from 0.93.19.2 to 0.94.0
434 * Added UseGMT to the configuration parser
435 * util.c commonlog now logs in Apache-style commonlog time format
436 * Remove SO_SNDBUF on-start message
437
438 ** Changes from 0.93.19 to 0.93.19.2
439 * Changed to combined log (from NCSA access_log format) ala Drew Streib
440 * Altered POST cgi code to handle bug in Netscape
441 * SO_SNDBUF changes by Larry
442
443 ** Changes from 0.93.17.2 to 0.93.19 (all 0.93.18.x changes inclusive)
444 * Update of some copyright statements for 99
445 * Replacement of sprintf with strlen/memcpy or strcpy/strcat
446 wherever possible
447 * Significant rearrangement in alias.c, minor functional differences
448 (some CGI environment variables handled differently)
449 * Removal of die function. Replace with log_err_mesg and exit.
450 * initial IPv6 stubs and support
451 * Move #include "config.h" to top of boa.h where it will do some good
452 * Stubs and functions for strstr and strdup
453 * Seperation of buffer code into it's own file
454 * Significant changes to cgi.c et al (cgi_header.c, etc...)
455 * Speed patches by removal of "extra" calls to time(): Use global variable!
456 * pipelining changes... it works now.
457 * require content-length from clients (ala rfc1945)
458 * alter body_read and body_write to work more efficiently with known content-length
459 * move read(2) part to *after* parsing...
460 * added support for additional header message in send_redirect_temp
461 * change use of NO_ZERO_FILL_LENGTH to offsetof() use
462 * Remove SO_REUSEADDR setting on each client socket, Paul Saab
463 * Avoid SO_SNDBUF setting if possible
464 * Large quantities of otherwise not-insignificant changes
465
466 ** Changes from 0.93.17.2 to 0.93.17.3
467 * Put on-the-fly directories back in, stripped down from the 0.92 version
468 * Fixed DocumentRoot, ServerAdmin and ServerName null-value handling in
469 CGI environment generation
470 * Fixed argument order in Script* directives (bug introduced in 0.93.17.2)
471 * Got rid of MAX_CGI_VARS because it was not being used consistently, or
472 for that matter, at all, really.
473 * Added some more FASCIST_LOGGING to cgi.c
474 * Minor mmap patch by LRD for request.c
475
476 ** Changes from 0.93.17.1 to 0.93.17.2
477 * Added "Listen" directive for server bind address, as most recently
478 suggested by David N. Welton
479 * Put virtualhost feature in, was experimental in 0.92q
480
481 ** Changes from 0.93.16.2 to 0.93.17.1
482 * New config file parser (supposed to be more maintainable) (LRD)
483 * Support for "|command" and ":host:port" syntax for logfiles (untested) (LRD)
484
485 ** Changes for the 0.93 version **
486 * Huge quantities of changes
487 * keepalive Bugfix in 0.93.16.2 by Jon Nelson
488 report by Craig Silverstein of Google fame.
489 * patch for config.h by Craig Silverstein
490 * fixed "Parent Directory" problem in boa_indexer for title "/"
491 (Debian bug #36165)
492 * More Craig Silverstein
493 modifications, namely:
494 ErrorLog (if omitted, print to stderr)
495 DocumentRoot (if omitted, can only server user-dir files)
496 DirectoryIndex (if omitted, always use DirectoryMaker)
497 MimeTypes (if omitted, don't load -- users can use AddType instead)
498
499
500 ** Changes from v0.92o to v0.92p **
501
502 * Documented misbehavior of CGI, SIGHUP, short aliases, stale dircache.
503 * Documented how to patch signals.c for use on SunOS.
504 * Closed file descriptor leak when redirecting a bare directory URL to
505 one with an appended "/".
506 * Closed potential file descriptor leak if errors encountered generating
507 on-the-fly index.
508 * Cleaned up include file handling to be simultaneously compatible with
509 Linux, SunOS, HP-UX, and AIX.
510 * Supress message body for codes 302, 400, 403, 404, 500, and 501 if
511 incoming request is "HEAD".
512
513 ** Changes from v0.91 to v0.92o **
514 (0.92o released 27 December, 1996)
515
516 * Maintenance handover from Paul Phillips to Larry Doolittle
517 * Changed (char)NULL to '\0'
518 * Cleaned up signal handler prototypes in signals.c
519 * Modified handling of CGI environment variable PATH_TRANSLATED,
520 should now work the same as NCSA.
521 * More conservative buffer size in add_cgi_env()
522 * Build argv list for a CGI script according to spec
523 * Speedup process_header_line, eliminate potential memory leak
524 * Occasional spelling fixes and lint removal
525 * Added REMOTE_PORT env var for CGI scripts, to allow easy ident lookups
526 * Changed rfc822 time format
527 * Log timeouts and broken connections
528 * Fix mime suffix handling for filenames with multiple "."s
529 * Initialize conn->time_last, fixes bug with rapid-fire connections
530 * Performance tweak to req_write()
531 * Changed http_version from float to char[8]
532 * Rewrote on-the-fly directory generation; it works now
533 * Added user configurable dircache directory in boa.conf
534 * Fixed "simple" response bugs, including incorrect CGI handling
535 * Keepalive (HTTP/1.1 draft) support, mostly by Jon Nelson
536 * Close data_fd in 304 Not Modified flow of control
537 * Switch socket flags to non-blocking before cgi handoff
538 * Try to handle errno properly in the face of multiple errors
539 * Close fd's of all other transactions before cgi handoff
540 * Move real work for sighup and sigchld out of signal handler
541 * Fix free(req->cgi_env) in request.c
542 * Response message cleanup - better match to HTML-2.0 DTD
543 * Experimental Virtual Host code from Russ Nelson
544 * Expand buffer for escaped URI in init_get()
545 * SIGTERM triggers lame duck mode until all pending transactions complete
546 * Close and unlink temp file for POST in parent process
547
548 ** Changes from v0.90 to v0.91 **
549
550 * Cleaned up main while loop
551 * Optimized request line parsing
552 * Added state machine for header reads -- necessary to deal wtih
553 possibility of obtaining header data in multiple reads. This
554 also allows interactive use of server.
555 * Added 500/501 return codes for various conditions
556
557 ** v0.90 **
558
559 * Initial release
560

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